/**
 * SurplusChem - Main Stylesheet
 * Modern, responsive design with brand colors: #21b677 (primary) and #00725c (secondary)
 */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Optimize rendering performance */
.hero-modern,
.hero-title-modern {
    will-change: transform;
    transform: translateZ(0);
}

/* SPA Loading Spinner */
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
    padding: 4rem;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--bg-light);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Error Message */
.error-message {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.error-message h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Form Error Message */
.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    padding: 1rem;
    border-radius: 5px;
    margin-top: 1rem;
}

/* Snackbar Notification */
.snackbar {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 10000;
    min-width: 300px;
    max-width: 90%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.snackbar.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.snackbar.success {
    background-color: var(--primary-color);
}

.snackbar.error {
    background-color: #dc3545;
}

.snackbar.info {
    background-color: #3498db;
}

.snackbar-message {
    flex: 1;
    font-weight: 500;
}

.snackbar-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.9;
    transition: var(--transition);
    border-radius: 50%;
}

.snackbar-close:hover {
    opacity: 1;
    background-color: rgba(255, 255, 255, 0.2);
}

.snackbar-icon {
    margin-right: 0.5rem;
    font-size: 1.25rem;
}

:root {
    --primary-color: #1db675;
    --secondary-color: #00725c;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

body {
    font-family: "SF Pro Display", Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 10px;
}

/* Header Styles */
.main-header {
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-color);
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition-fast);
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Modern Quote Button */
.quote-button {
    display: inline-flex !important;
    align-items: center;
    gap: 8px;
    background-color: #ffffff;
    color: #1a1a1a !important;
    padding: 0.5rem 1rem !important;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.2;
    transition: all 0.2s ease;
}

.quote-button:hover {
    border-color: var(--primary-color);
    background-color: #f8f9fa;
    transform: none;
}

.quote-text {
    font-size: 0.95rem;
}

.quote-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 7px;
    background-color: var(--primary-color);
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 11px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    animation: fadeIn 0.5s ease-in-out;
}

/* Page fade-in animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade-in on scroll animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animation for children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    animation: staggerFadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.7s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.8s; }
.stagger-children > *:nth-child(n+9) { animation-delay: 0.9s; }

@keyframes staggerFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    background-image: url('../assets/storage.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    color: white;
    padding: 5rem 0;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(33, 160, 119, 0.6) 0%, rgba(0, 124, 102, 0.8) 100%);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(33, 182, 119, 0.3);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
    transition: var(--transition-fast);
}

.btn-secondary {
    background-color: white;
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Features Section */
.features {
    padding: 4rem 0;
    background-color: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }

.feature-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 8px 24px rgba(33, 182, 119, 0.2);
}

.feature-icon {
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Intro Section */
.intro {
    padding: 4rem 0;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-content h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
}

.intro-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--text-light);
}

.intro-cta {
    margin-top: 2rem;
}

/* Page Header - Modern Design */
.page-header {
    position: relative;
    background: linear-gradient(180deg, 
        rgba(29, 182, 117, 0.03) 0%, 
        rgba(0, 114, 92, 0.05) 30%,
        rgba(29, 182, 117, 0.02) 60%,
        rgba(248, 249, 250, 0.7) 100%);
    color: var(--text-color);
    padding: 4rem 0 3rem;
    text-align: center;
    overflow: hidden;
    min-height: 280px;
    display: flex;
    align-items: center;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(29, 182, 117, 0.2), 
        transparent);
    z-index: 2;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(29, 182, 117, 0.15), 
        transparent);
    z-index: 2;
}

.page-header-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

.page-header-gradient {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, 
        rgba(29, 182, 117, 0.05) 0%, 
        transparent 50%),
        radial-gradient(circle at 70% 50%, 
        rgba(0, 114, 92, 0.04) 0%, 
        transparent 50%);
    animation: gradientShift 15s ease-in-out infinite;
}

.page-header-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.page-shape {
    position: absolute;
    opacity: 0.22;
    color: rgba(29, 182, 117, 0.6);
    filter: blur(0.3px);
    pointer-events: none;
    animation: pageFloat 20s ease-in-out infinite;
}

.page-shape svg {
    width: 100%;
    height: 100%;
    display: block;
}

.page-shape-1 {
    width: 180px;
    height: 180px;
    top: 5%;
    left: 3%;
    animation-delay: 0s;
    color: rgba(29, 182, 117, 0.55);
}

.page-shape-2 {
    width: 180px;
    height: 180px;
    top: 35%;
    right: 8%;
    animation-delay: 2s;
    color: rgba(29, 182, 117, 0.55);
}

.page-shape-3 {
    width: 160px;
    height: 160px;
    bottom: 5%;
    left: 20%;
    animation-delay: 4s;
    color: rgba(29, 182, 117, 0.5);
}

.page-header .container {
    position: relative;
    z-index: 2;
    width: 100%;
}

.page-header h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
    font-family: "SF Pro Display", Inter, sans-serif;
    color: var(--text-color);
    line-height: 1.15;
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.1s both;
}

.page-header p {
    font-size: 1.2rem;
    font-weight: 400;
    color: #6b7280;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
    opacity: 0.9;
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

/* Form Styles */
.sell-form-section,
.contact-section {
    padding: 3rem 0;
}

.form-container,
.contact-form-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info {
    padding: 2rem;
}

.contact-info h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-details {
    margin: 2rem 0;
}

.contact-detail-item {
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.contact-note {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 5px;
    margin-top: 2rem;
}

.sell-form,
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sell-form h2,
.contact-form h2 {
    color: var(--primary-color);
    margin-top: 0.5rem;
    margin-bottom: 1rem;
}

.sell-form h2:first-child {
    margin-top: 0;
}

.section-header-with-upload {
    margin-bottom: 1.5rem;
}

.section-header-with-upload h2 {
    margin-bottom: 0.5rem;
}

.form-instruction-text {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    margin-top: 0;
}

.upload-option {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 400;
}

.file-upload-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1rem;
    background-color: var(--bg-light);
    border-radius: 8px;
    border: 2px dashed var(--border-color);
    transition: all 0.3s ease;
}

.file-upload-wrapper:hover {
    border-color: var(--primary-color);
    background-color: rgba(29, 182, 117, 0.05);
}

.file-upload-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background-color: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.file-upload-label:hover {
    background-color: var(--primary-color);
    color: white;
}

.file-upload-label svg {
    width: 18px;
    height: 18px;
}

.file-name {
    color: var(--text-light);
    font-size: 0.9rem;
    flex: 1;
    min-width: 200px;
}

.btn-remove-file {
    padding: 0.5rem 1rem;
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-remove-file:hover {
    background-color: #c82333;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.25rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.2s ease;
    background-color: white;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.chemical-item .form-group input,
.chemical-item .form-group textarea,
.chemical-item .form-group select {
    background-color: var(--bg-light);
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(33, 182, 119, 0.1);
}

.form-group select:hover {
    border-color: rgba(33, 182, 119, 0.4);
}

.form-group select:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2321b677' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: rgba(33, 182, 119, 0.5);
}

.form-submit {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.form-submit button[type="submit"] {
    min-width: 180px;
    text-align: center;
}

.form-message {
    padding: 1rem;
    border-radius: 5px;
    margin-top: 1rem;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-help-text {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    padding: 0.75rem;
    background-color: var(--bg-light);
    border-radius: 5px;
}

/* Multi-item form styles */
#chemical-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chemical-item {
    background-color: white;
    padding: 1.75rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: box-shadow 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.chemical-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.chemical-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.chemical-item-header h3 {
    color: var(--text-color);
    font-size: 1.1rem;
    margin: 0;
    font-weight: 600;
}

.btn-remove-item {
    background-color: #f8f9fa;
    color: #6c757d;
    border: 1px solid var(--border-color);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    padding: 0;
}

.btn-remove-item:hover {
    background-color: #dc3545;
    color: white;
    border-color: #dc3545;
}

.btn-remove-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.add-item-container {
    margin-bottom: 2rem;
    text-align: center;
}

.add-item-container .btn {
    width: 100%;
    max-width: 400px;
}

/* Products Section */
.products-section {
    padding: 3rem 0;
    overflow: visible;
    position: relative;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    opacity: 0;
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }
.product-card:nth-child(4) { animation-delay: 0.4s; }
.product-card:nth-child(5) { animation-delay: 0.5s; }
.product-card:nth-child(6) { animation-delay: 0.6s; }
.product-card:nth-child(n+7) { animation-delay: 0.7s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 8px 24px rgba(33, 182, 119, 0.2);
}

.product-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background-color: var(--bg-light);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-name {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.product-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    flex-grow: 1;
}

.product-details {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.product-footer {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.product-footer .product-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.product-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.add-to-cart {
    padding: 0.5rem 1.5rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Products List Layout - Compact Table Style */
.products-list-controls {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
    overflow: visible;
    position: relative;
    z-index: 100;
}

.list-search-filters {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    overflow: visible;
    position: relative;
}

.list-search {
    flex: 1;
    max-width: 300px;
}

.search-input {
    width: 100%;
    padding: 0.5rem 1rem;
    padding-left: 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.9rem;
    line-height: 1.5;
    min-height: calc(0.5rem * 2 + 0.9rem * 1.5 + 2px);
    box-sizing: border-box;
    background-color: white;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 0.75rem center;
    background-size: 16px;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(33, 182, 119, 0.1);
}

.list-filter-group {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    position: relative;
    overflow: visible;
}

.filter-wrapper {
    position: relative;
}

.filter-select {
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.5;
    min-height: calc(0.5rem * 2 + 0.9rem * 1.5 + 2px);
    box-sizing: border-box;
    background-color: white;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    max-width: 200px;
    width: 100%;
    position: relative;
    z-index: 10;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(33, 182, 119, 0.1);
    background-color: var(--bg-light);
}

.filter-select:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-light);
}

/* Custom Select Dropdown for Filters */
.filter-wrapper .custom-select-wrapper {
    position: relative;
    max-width: 200px;
    width: 100%;
}

.filter-wrapper .custom-select {
    position: relative;
    width: 100%;
}

.filter-wrapper .custom-select-trigger {
    width: 100%;
    padding: 0.5rem 6rem 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.5;
    min-height: calc(0.5rem * 2 + 0.9rem * 1.5 + 2px);
    font-family: inherit;
    background-color: white;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: border-color 0.3s;
    box-sizing: border-box;
    color: var(--text-color);
}

.filter-wrapper .custom-select-trigger:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-light);
}

.filter-wrapper .custom-select.open .custom-select-trigger {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(33, 182, 119, 0.1);
    position: relative;
    border-radius: 8px 8px 0 0;
    min-height: calc(0.5rem * 2 + 0.9rem * 1.5 + 2px);
}

#filter-date-custom-select.open .custom-select-trigger {
    width: 10.6rem;
}

#filter-location-custom-select.open .custom-select-trigger {
    width: 11.8rem;
}

.filter-wrapper .custom-select-value {
    flex: 1;
    color: var(--text-color);
    display: block;
    min-width: 0;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.filter-wrapper .custom-select-value:empty::before {
    content: 'All Countries';
    color: var(--text-light);
}

#filter-date-custom-select .custom-select-value:empty::before {
    content: 'All Dates';
}

.filter-wrapper .custom-select-arrow {
    display: none;
}

.filter-wrapper .custom-select-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: none;
    max-height: 300px;
    overflow: hidden;
    flex-direction: column;
    margin-top: 4px;
    box-sizing: border-box;
}

.filter-wrapper .custom-select.open .custom-select-dropdown {
    display: flex;
}

.filter-wrapper .custom-select-search {
    width: 100%;
    padding: 0.5rem 1rem;
    border: none;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    font-family: inherit;
    box-sizing: border-box;
    background-color: white;
    color: var(--text-color);
    line-height: 1.5;
    min-height: calc(0.5rem * 2 + 0.9rem * 1.5);
}

.filter-wrapper .custom-select-search:focus {
    outline: none;
    background-color: var(--bg-light);
}

/* When dropdown is open, hide value and show search in trigger */
.filter-wrapper .custom-select.open .custom-select-value {
    display: none;
}

.filter-wrapper .custom-select.open .custom-select-trigger .custom-select-search {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: none;
    border-radius: 8px 8px 0 0;
    margin: 0;
    z-index: 1;
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    height: 100%;
    line-height: 1.5;
    font-size: 0.9rem;
    box-sizing: border-box;
}

.filter-wrapper .custom-select-options {
    max-height: 250px;
    overflow-y: auto;
    padding: 0.25rem 0;
}

.filter-wrapper .custom-select-option {
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-color);
    font-size: 0.9rem;
}

.filter-wrapper .custom-select-option:hover {
    background-color: var(--bg-light);
}

.filter-wrapper .custom-select-option.selected {
    background-color: rgba(33, 182, 119, 0.1);
    color: var(--primary-color);
    font-weight: 500;
}

#filter-location {
    max-width: 180px;
}

#filter-date {
    max-width: 160px;
}

.list-filters {
    display: flex;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border: none;
    background-color: white;
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.filter-btn:hover {
    background-color: var(--bg-light);
}

.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.products-list-table {
    --product-grid-template: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1.3fr) minmax(0, 1.2fr) minmax(0, 1.1fr) minmax(0, 1.5fr);
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-top: 1rem;
}

.list-table-header {
    display: grid;
    grid-template-columns: var(--product-grid-template, minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1.5fr) minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1.5fr));
    background-color: var(--bg-light);
    border-bottom: 2px solid var(--border-color);
    padding: 0.75rem 0;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-color);
    box-sizing: border-box;
    align-items: center;
}

.list-table-body {
    display: flex;
    flex-direction: column;
}

.list-table-row {
    display: grid;
    grid-template-columns: var(--product-grid-template, minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1.5fr) minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1.5fr));
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    align-items: center;
    box-sizing: border-box;
}

.list-table-row.even {
    background-color: white;
}

.list-table-row.odd {
    background-color: var(--bg-light);
}

.list-table-row:hover {
    background-color: rgba(33, 182, 119, 0.05);
}

.list-table-row:last-child {
    border-bottom: none;
}

.list-cell {
    padding: 0.25rem 1rem;
    font-size: 0.95rem;
    color: var(--text-color);
    box-sizing: border-box;
}

.list-header-cell {
    padding: 0.25rem 1rem;
    font-size: 0.85rem;
    box-sizing: border-box;
}

.list-header-cell.list-cell-quantity {
    text-align: right;
    padding-right: 3rem;
}

.list-header-cell.list-cell-manufacturer {
    padding-left: calc(1rem + 0.5rem);
}

.list-header-cell.list-cell-actions {
    display: flex;
    justify-content: flex-end;
    padding-right: 1rem;
}

.list-cell-chemical {
    font-weight: 500;
}

.chemical-link {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    line-height: 1.4;
}

.chemical-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.list-cell-quantity {
    text-align: right;
    font-weight: 500;
    padding-right: calc(1rem + 0.5rem);
}

.list-cell-manufacturer {
    color: var(--text-light);
    padding-left: calc(1rem + 0.5rem);
}

.list-cell-location {
    color: var(--text-light);
    font-size: 0.9rem;
}

.list-cell-date {
    color: var(--text-light);
    font-size: 0.9rem;
}

.list-cell-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    align-items: stretch;
    padding-right: 1rem;
}

.list-cell-actions .btn {
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
}

.add-to-quote {
    min-width: 130px;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.add-to-quote.quote-added {
    background-color: #3498db;
    border-color: #3498db;
    color: #ffffff;
}

.add-to-quote.quote-added:hover,
.add-to-quote.quote-added:focus-visible {
    background-color: #2c82c9;
    border-color: #2c82c9;
    color: #ffffff;
}

/* Responsive adjustments for compact list */
@media (max-width: 1200px) {
    .products-list-table {
        --product-grid-template: minmax(0, 2fr) minmax(0, 0.8fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 0.95fr) minmax(0, 1.35fr);
    }

    .list-table-header,
    .list-table-row {
        gap: 0.75rem;
    }
}

@media (max-width: 968px) {
    .products-list-table {
        --product-grid-template: minmax(0, 2fr) minmax(0, 0.8fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 0.95fr) minmax(0, 1.35fr);
    }

    .list-table-header,
    .list-table-row {
        gap: 0.5rem;
    }
    
    .list-cell-actions {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .list-cell-actions .btn {
        width: 100%;
        font-size: 0.8rem;
        padding: 0.35rem 0.75rem;
    }
    
    .list-search-filters {
        flex-wrap: wrap;
    }
    
    .list-filter-group {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .products-list-table {
        --product-grid-template: 1fr;
    }

    .products-list-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .list-search-filters {
        flex-direction: column;
        width: 100%;
    }
    
    .list-search {
        max-width: 100%;
    }
    
    .list-filter-group {
        width: 100%;
    }
    
    .filter-select {
        flex: 1;
        min-width: 0;
    }
    
    .list-table-header,
    .list-table-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .list-header-cell {
        display: none;
    }
    
    .list-cell::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 0.75rem;
        text-transform: uppercase;
        color: var(--text-light);
        display: block;
        margin-bottom: 0.25rem;
    }
    
    .list-cell-quantity {
        text-align: left;
        padding-right: 0;
    }
    
    .list-cell-manufacturer {
        padding-left: 0;
    }
    
    .list-cell-actions {
        flex-direction: row;
        justify-content: flex-start;
        margin-top: 0.5rem;
    }
    
    .list-table-row {
        padding: 1rem;
        border-bottom: 2px solid var(--border-color);
    }
}

/* Pagination Styles */
.pagination-container {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.pagination-info {
    color: var(--text-light);
    font-size: 0.95rem;
    text-align: center;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0.5rem 0.75rem;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.pagination-link:hover:not(.pagination-link-disabled):not(.pagination-link-active) {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(33, 182, 119, 0.2);
}

.pagination-link-active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    cursor: default;
    font-weight: 600;
}

.pagination-link-disabled {
    background-color: var(--bg-light);
    color: var(--text-light);
    border-color: var(--border-color);
    cursor: not-allowed;
    opacity: 0.6;
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pagination-ellipsis {
    color: var(--text-light);
    padding: 0 0.5rem;
    font-weight: 600;
}

.pagination-first,
.pagination-prev,
.pagination-next,
.pagination-last {
    font-weight: 600;
    min-width: auto;
    padding: 0.5rem 1rem;
}

/* Responsive Pagination */
@media (max-width: 768px) {
    .pagination-container {
        gap: 0.75rem;
    }
    
    .pagination {
        gap: 0.25rem;
    }
    
    .pagination-link {
        min-width: 36px;
        height: 36px;
        padding: 0.4rem 0.6rem;
        font-size: 0.85rem;
    }
    
    .pagination-first,
    .pagination-prev,
    .pagination-next,
    .pagination-last {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }
    
    .pagination-info {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .pagination-link {
        min-width: 32px;
        height: 32px;
        padding: 0.35rem 0.5rem;
        font-size: 0.8rem;
    }
    
    .pagination-first,
    .pagination-prev,
    .pagination-next,
    .pagination-last {
        padding: 0.35rem 0.6rem;
        font-size: 0.8rem;
    }
    
    .pagination-numbers {
        gap: 0.25rem;
    }
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Product Detail Page */
.product-detail-section {
    padding: 3rem 0;
    position: relative;
}

.product-back-button {
    position: absolute;
    top: 3rem;
    left: 50px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    box-shadow: var(--shadow);
    z-index: 10;
}

.product-back-button:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateX(-4px);
    box-shadow: var(--shadow-hover);
}

.product-back-button svg {
    width: 20px;
    height: 20px;
}

.product-detail-container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 2rem;
}

/* Product Name Header */
.product-name-header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--primary-color);
    gap: 2rem;
    flex-wrap: wrap;
}

.product-name-header {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    flex: 1;
    min-width: 0;
}

.add-to-quote-header {
    flex-shrink: 0;
    white-space: nowrap;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.product-images {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.product-main-image {
    width: 100%;
    height: 500px;
    overflow: hidden;
    border-radius: 10px;
    background-color: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    cursor: pointer;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.product-main-image:hover img {
    transform: scale(1.05);
}

.product-thumbnails {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.thumbnail {
    width: 100px;
    height: 100px;
    border-radius: 5px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    background-color: var(--bg-light);
}

.thumbnail:hover {
    border-color: var(--primary-color);
}

.thumbnail.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(33, 182, 119, 0.2);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.thumbnail:hover img {
    transform: scale(1.1);
}

.product-info-detail {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.product-price-large {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-name-detail {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.product-price-detail {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.product-description-full {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

/* Specifications Section - List Layout */
.product-specifications-list {
    margin-bottom: 3rem;
}

.spec-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid #e0e0e0;
    align-items: start;
}

.spec-label-col {
    font-weight: 600;
    color: var(--text-color);
    font-size: 1rem;
    letter-spacing: 0.3px;
}

.spec-value-col {
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.6;
}

/* Product Photos Grid */
.product-photos-grid {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.product-photo-item {
    width: 120px;
    height: 120px;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: var(--bg-light);
    cursor: pointer;
    transition: var(--transition);
}

.product-photo-item:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.product-photo-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Image Overlay */
.image-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.96);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.image-overlay-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

#overlay-image {
    max-width: 100%;
    max-height: 90vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.image-overlay-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    line-height: 1;
    transition: transform 0.2s ease;
}

.image-overlay-close:hover {
    transform: scale(1.2);
}

/* Responsive styles for product photos */
@media (max-width: 768px) {
    .product-photo-item {
        width: 100px;
        height: 100px;
    }
    
    .image-overlay-close {
        top: -35px;
        font-size: 35px;
    }
    
    #overlay-image {
        max-height: 85vh;
    }
}

@media (max-width: 480px) {
    .product-photo-item {
        width: 80px;
        height: 80px;
    }
    
    .image-overlay-close {
        top: -30px;
        font-size: 30px;
    }
    
    .image-overlay-content {
        max-width: 95%;
        max-height: 95%;
    }
}

/* Document Links List */
.document-links-list {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.document-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1rem;
    transition: var(--transition);
    padding: 0.25rem 0;
}

.document-link:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.document-link svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* N/A value styling */
.na-value {
    color: #999;
    font-style: italic;
}


/* Product Description Section */
.product-description-section {
    margin-bottom: 2rem;
}

.product-description-section .spec-row {
    border-bottom: none;
}

/* Description Separator */
.description-separator {
    height: 1px;
    background-color: #e0e0e0;
    margin: 2rem 0;
}

.product-description-content {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
}

/* Legacy styles for backward compatibility */
.product-specifications {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 10px;
}

.product-specifications h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.product-storage {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 10px;
}

.product-storage h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.product-storage p {
    color: var(--text-light);
    line-height: 1.8;
}

.product-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.product-actions-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.product-additional-info {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.product-additional-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.product-additional-info p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* Product card links */
.product-image a {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

.product-name a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.product-name a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Cart Notification */
.cart-notification {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
    margin-bottom: 2rem;
    display: none;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cart-notification.show {
    animation: slideDown 0.3s ease forwards;
}

/* Quote Notification */
.quote-notification {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
    margin-bottom: 2rem;
    display: none;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.quote-notification.show {
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Flying item animation */
.cart-flying-item {
    position: fixed;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    z-index: 10000;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(33, 182, 119, 0.4);
    will-change: transform, opacity;
}

/* Cart icon pulse animation */
.cart-pulse {
    animation: cartPulse 0.6s ease;
}

@keyframes cartPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.15);
    }
    100% {
        transform: scale(1);
    }
}

/* Add to cart button feedback */
.add-to-cart {
    position: relative;
    overflow: hidden;
}

.add-to-cart:active {
    transform: scale(0.95);
}

.add-to-cart.adding {
    animation: buttonAdd 0.4s ease;
}

@keyframes buttonAdd {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 4px rgba(33, 182, 119, 0.3);
    }
    100% {
        transform: scale(1);
    }
}

/* Cart Modal */
.cart-modal {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    margin: 0 !important;
    padding: 0 !important;
    background-color: rgba(0, 0, 0, 0);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000 !important;
    animation: modalBackdropFadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    overflow: auto;
}

@keyframes modalBackdropFadeIn {
    to {
        background-color: rgba(0, 0, 0, 0.5);
    }
}

.cart-modal-content {
    background-color: white;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-hover);
    transform: scale(0.9) translateY(20px);
    animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes modalSlideIn {
    to {
        transform: scale(1) translateY(0);
    }
}

.cart-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.cart-modal-header h2 {
    color: var(--primary-color);
}

.close-cart {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-color);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-items {
    padding: 1.5rem;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.cart-item-removing {
    opacity: 0;
    transform: translateX(-100%);
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none;
}

.cart-item-info {
    flex-grow: 1;
}

.cart-item-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.cart-item-quantity {
    color: var(--text-light);
    font-size: 0.9rem;
}

.cart-item-remove {
    background-color: #dc3545;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}

.cart-item-remove:hover {
    background-color: #c82333;
    transform: scale(1.05);
}

.cart-item-remove:active {
    transform: scale(0.95);
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.quote-request-form {
    width: 100%;
    padding: 1.5rem;
    background-color: var(--bg-light);
    border-radius: 8px;
    margin-top: 1rem;
}

.quote-request-form h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.quote-request-form .form-group {
    margin-bottom: 1rem;
}

.quote-request-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
}

.quote-request-form .form-input,
.quote-request-form .form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition);
    box-sizing: border-box;
}

.quote-request-form .form-input:focus,
.quote-request-form .form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(33, 182, 119, 0.1);
}

.quote-request-form .form-textarea {
    resize: vertical;
    min-height: 100px;
}

.quote-form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

.quote-form-actions .btn {
    min-width: 120px;
}

#checkout-btn,
#request-quote-btn,
#browse-chemicals-btn {
    width: 100%;
}

/* About Page */
.about-content {
    padding: 4rem 0;
    background: linear-gradient(to bottom, var(--bg-light) 0%, white 50%, var(--bg-light) 100%);
}

.about-section {
    margin-bottom: 4rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.about-section.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.about-section:last-child {
    margin-bottom: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.75rem;
    font-size: 2.25rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 1rem;
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out 0.2s, transform 0.6s ease-out 0.2s;
}

.about-section.animate-in h2 {
    opacity: 1;
    transform: translateX(0);
}

.about-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    transition: width 0.8s ease-out 0.5s;
}

.about-section.animate-in h2::after {
    width: 60px;
}

.about-section p {
    margin-bottom: 1.25rem;
    font-size: 1.1rem;
    color: var(--text-color);
    line-height: 1.9;
}

.about-list {
    list-style: none;
    padding-left: 0;
    margin-top: 1.5rem;
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    opacity: 0;
    transition: opacity 0.6s ease-out 0.3s;
}

.about-section.animate-in .about-list {
    opacity: 1;
}

.about-list li {
    padding: 0.85rem 0;
    padding-left: 2.5rem;
    position: relative;
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 1.6;
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
    opacity: 0;
    transform: translateX(-20px);
}

.about-list li:hover {
    transform: translateX(5px);
}

.about-section.animate-in .about-list li:nth-child(1) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.4s;
}

.about-section.animate-in .about-list li:nth-child(2) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.5s;
}

.about-section.animate-in .about-list li:nth-child(3) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.6s;
}

.about-section.animate-in .about-list li:nth-child(4) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.7s;
}

.about-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(33, 182, 119, 0.1);
    border-radius: 50%;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2.5rem;
}

.value-item {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease, opacity 0.6s ease-out, transform 0.6s ease-out;
    text-align: center;
    opacity: 0;
    transform: scale(0.95) translateY(20px);
}

.value-item.animate-in {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.value-item:nth-child(1) {
    transition-delay: 0.1s;
}

.value-item:nth-child(2) {
    transition-delay: 0.2s;
}

.value-item:nth-child(3) {
    transition-delay: 0.3s;
}

.value-item:hover {
    box-shadow: 0 4px 20px rgba(33, 182, 119, 0.25), 0 0 0 1px rgba(33, 182, 119, 0.1);
}

.value-item h3 {
    color: var(--primary-color);
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.value-item p {
    color: var(--text-color);
    line-height: 1.8;
    margin: 0;
}

.about-cta {
    display: flex;
    gap: 1rem;
    margin-top: 3rem;
    flex-wrap: wrap;
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out 0.3s, transform 0.6s ease-out 0.3s;
}

.about-section.animate-in .about-cta {
    opacity: 1;
    transform: translateY(0);
}

/* Footer */
.main-footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

/* Remove footer margin-top on home page only */
body:has(.hero-modern) .main-footer,
main:has(.hero-modern) ~ .main-footer {
    margin-top: 0;
}

.footer-main-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
    align-items: start;
}

.footer-company h3 {
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.footer-company p {
    opacity: 0.95;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.footer-company .footer-links {
    margin-top: 0;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-company .footer-links li {
    margin-bottom: 0;
}

.footer-company .footer-links a {
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-company .footer-links a:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    text-decoration: none;
    transform: translateY(-2px);
}

.footer-contact h4 {
    margin-bottom: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
}

.footer-newsletter h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0 0 0.75rem 0;
    color: white;
}

.footer-newsletter p {
    margin: 0 0 1.5rem 0;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-links {
    list-style: none;
    margin-bottom: 1rem;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: opacity 0.2s;
    font-size: 0.95rem;
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

/* Newsletter Form in Footer */
.newsletter-form {
    max-width: 500px;
}

.newsletter-input-wrapper {
    display: flex;
    gap: 0.5rem;
    background: white;
    border-radius: 8px;
    padding: 0.35rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.newsletter-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    background: transparent;
    color: var(--text-color);
}

.newsletter-input::placeholder {
    color: #999;
}

.newsletter-button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.newsletter-button:hover {
    background: var(--secondary-color);
    transform: translateX(2px);
}

.newsletter-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.newsletter-button-icon {
    transition: transform 0.3s ease;
}

.newsletter-button:hover .newsletter-button-icon {
    transform: translateX(3px);
}

/* Footer Responsive Styles */
@media (max-width: 992px) {
    .footer-main-content {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
    
    .footer-newsletter {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .footer-main-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-newsletter h3,
    .footer-company h3 {
        font-size: 1.2rem;
    }
    
    .newsletter-form {
        width: 100%;
        max-width: none;
    }
    
    .newsletter-input-wrapper {
        flex-direction: column;
        gap: 0.75rem;
        padding: 0.75rem;
    }
    
    .newsletter-button {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer-newsletter h3,
    .footer-company h3 {
        font-size: 1.2rem;
    }
    
    .footer-newsletter p,
    .footer-company p {
        font-size: 0.9rem;
    }
    
    .newsletter-input {
        font-size: 0.9rem;
        padding: 0.65rem 0.85rem;
    }
    
    .newsletter-button {
        font-size: 0.9rem;
        padding: 0.65rem 1.25rem;
    }
}

/* Terms and Conditions Page */
.terms-content-section {
    padding: 3rem 0;
}

.terms-container {
    max-width: 900px;
    margin: 0 auto;
    background-color: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.terms-last-updated {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.terms-content h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin: 2rem 0 1rem 0;
    font-weight: 600;
}

.terms-content h2:first-child {
    margin-top: 0;
}

.terms-content p {
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.terms-content ul {
    margin: 1rem 0 1.5rem 2rem;
    line-height: 1.8;
}

.terms-content li {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.terms-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.terms-content a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .terms-container {
        padding: 2rem 1.5rem;
    }
    
    .terms-content h2 {
        font-size: 1.3rem;
    }
    
    .terms-content ul {
        margin-left: 1.5rem;
    }
}

@media (max-width: 480px) {
    .terms-container {
        padding: 1.5rem 1rem;
    }
    
    .terms-content h2 {
        font-size: 1.2rem;
    }
    
    .terms-content ul {
        margin-left: 1rem;
    }
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.95);
}

.footer-social {
    display: flex;
    gap: 0.85rem;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.footer-social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.9);
    background-color: transparent;
    transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    line-height: 0;
}

.footer-social-link svg {
    width: 1.1rem;
    height: 1.1rem;
}

.footer-social-link:hover {
    color: var(--primary-color);
    background-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.footer-social-link:focus-visible {
    color: var(--primary-color);
    background-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 0 3px rgba(29, 182, 117, 0.45), 0 6px 16px rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-list {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow);
        display: none;
        gap: 1rem;
    }

    .nav-list.active {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .value-grid {
        grid-template-columns: 1fr;
    }

    .about-cta {
        flex-direction: column;
    }

    .about-cta .btn {
        width: 100%;
        text-align: center;
    }

    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .product-name-header-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .product-name-header {
        font-size: 1.75rem;
        width: 100%;
    }
    
    .add-to-quote-header {
        width: 100%;
    }
    
    .spec-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        padding: 1rem 0;
    }
    
    .spec-label-col {
        font-size: 0.9rem;
        margin-bottom: 0.25rem;
    }
    
    .spec-value-col {
        font-size: 0.95rem;
    }
    
    .product-photos-grid {
        gap: 0.75rem;
    }
    
    .product-photo-item {
        width: 100px;
        height: 100px;
    }
    
    .document-links-list {
        flex-direction: column;
        gap: 0.5rem;
    }

    .product-main-image {
        height: 400px;
    }

    .product-actions {
        flex-direction: column;
    }

    .product-actions .btn {
        width: 100%;
        text-align: center;
    }

    .product-actions-row {
        flex-direction: column;
    }

    .product-actions-row .btn {
        width: 100%;
        text-align: center;
    }

    .spec-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 3rem 0;
    }

    .hero-title {
        font-size: 1.75rem;
    }
    
    .page-header {
        padding: 3rem 0 2.5rem;
        min-height: 220px;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .page-header p {
        font-size: 1.1rem;
    }
    
    .page-shape-1 {
        width: 120px;
        height: 120px;
        top: 3%;
        left: 1%;
    }
    
    .page-shape-2 {
        width: 120px;
        height: 120px;
        top: 30%;
        right: 3%;
    }
    
    .page-shape-3 {
        width: 110px;
        height: 110px;
        bottom: 3%;
        left: 15%;
    }

    .form-container,
    .contact-form-container {
        padding: 1.5rem;
    }

    .form-submit {
        flex-direction: column;
    }

    .form-submit .btn {
        width: 100%;
    }

    .snackbar {
        min-width: auto;
        width: calc(100% - 2rem);
        left: 1rem;
        transform: translateX(0) translateY(100px);
    }

    .snackbar.show {
        transform: translateX(0) translateY(0);
    }
}

/* Screen Reader Only - For Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
    padding: 1rem 0;
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
    display: flex;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-light);
}

.breadcrumb li:not(:last-child)::after {
    content: "›";
    margin-left: 0.5rem;
    color: var(--text-light);
    font-size: 1.1rem;
}

.breadcrumb a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.breadcrumb li:last-child {
    color: var(--primary-color);
    font-weight: 500;
}

@media (max-width: 768px) {
    .breadcrumb {
        font-size: 0.85rem;
    }
    
    .breadcrumb-nav {
        padding: 0.75rem 0;
    }
}

/* ============================================
   MODERN HOME PAGE STYLES
   ============================================ */

/* Modern Hero Section */
.hero-modern {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 6rem 0 4rem;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(29, 182, 117, 0.05) 0%, 
        rgba(0, 114, 92, 0.08) 50%, 
        rgba(29, 182, 117, 0.05) 100%);
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    opacity: 0.08;
    animation: float 25s infinite ease-in-out;
    color: var(--primary-color);
    filter: drop-shadow(0 0 20px rgba(29, 182, 117, 0.3));
}

.shape svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* Benzene Ring - Large top left */
.shape-1 {
    width: 350px;
    height: 350px;
    top: -80px;
    left: -80px;
    animation-delay: 0s;
    color: var(--primary-color);
}

/* Ethanol - Medium bottom right */
.shape-2 {
    width: 280px;
    height: 280px;
    bottom: 10%;
    right: 5%;
    animation-delay: -7s;
    color: var(--secondary-color);
}

/* Water Molecule - Small middle right */
.shape-3 {
    width: 200px;
    height: 200px;
    top: 45%;
    right: -30px;
    animation-delay: -14s;
    color: var(--primary-color);
}

/* CO2 - Medium top right */
.shape-4 {
    width: 300px;
    height: 300px;
    top: 5%;
    right: 3%;
    animation-delay: -3s;
    color: var(--secondary-color);
    opacity: 0.06;
}

/* Ammonia NH3 - Small bottom left */
.shape-5 {
    width: 220px;
    height: 220px;
    bottom: 15%;
    left: 8%;
    animation-delay: -18s;
    color: var(--primary-color);
    opacity: 0.07;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    25% {
        transform: translate(30px, -30px) rotate(5deg) scale(1.08);
    }
    50% {
        transform: translate(-20px, 20px) rotate(-3deg) scale(0.92);
    }
    75% {
        transform: translate(20px, 30px) rotate(4deg) scale(1.05);
    }
}

@keyframes pageFloat {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
        opacity: 0.22;
    }
    25% {
        transform: translate(25px, -25px) rotate(4deg) scale(1.06);
        opacity: 0.25;
    }
    50% {
        transform: translate(-15px, 15px) rotate(-2deg) scale(0.94);
        opacity: 0.2;
    }
    75% {
        transform: translate(15px, 20px) rotate(3deg) scale(1.03);
        opacity: 0.23;
    }
}

@keyframes pageFloatCentered {
    0%, 100% {
        transform: translate(0, -50%) rotate(0deg) scale(1);
        opacity: 0.22;
    }
    25% {
        transform: translate(25px, calc(-50% - 25px)) rotate(4deg) scale(1.06);
        opacity: 0.25;
    }
    50% {
        transform: translate(-15px, calc(-50% + 15px)) rotate(-2deg) scale(0.94);
        opacity: 0.2;
    }
    75% {
        transform: translate(15px, calc(-50% + 20px)) rotate(3deg) scale(1.03);
        opacity: 0.23;
    }
}

@keyframes gradientShift {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }
    50% {
        transform: translate(10%, 5%) scale(1.1);
        opacity: 0.8;
    }
}

.hero-content-modern {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, rgba(29, 182, 117, 0.1), rgba(0, 114, 92, 0.1));
    border: 1px solid rgba(29, 182, 117, 0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    transition: var(--transition);
}

.hero-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(29, 182, 117, 0.2);
}

.hero-badge svg {
    color: var(--primary-color);
}

.hero-title-modern {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--text-color);
    margin-bottom: 3rem;
    letter-spacing: -0.03em;
    font-family: "SF Pro Display", Inter, sans-serif;
    /* Optimize for LCP - ensure early rendering */
    contain: layout style paint;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle-modern {
    font-size: 1.15rem;
    font-weight: 400;
    line-height: 1.8;
    color: #6b7280;
    margin-bottom: 3rem;
    margin-top: 1.5rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(29, 182, 117, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, transparent, var(--border-color), transparent);
}

/* Modern Buttons */
.hero-buttons-modern {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-modern:hover::before {
    left: 100%;
}

.btn-primary-modern {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(29, 182, 117, 0.3);
}

.btn-primary-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(29, 182, 117, 0.4);
}

.btn-secondary-modern {
    background: white;
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.btn-secondary-modern:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(29, 182, 117, 0.3);
}

.btn-white {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-outline-white {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-outline-white:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Trust Badges */
.hero-trust-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 500;
}

.trust-badge svg {
    color: var(--primary-color);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    position: relative;
    opacity: 0.6;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, rgba(29, 182, 117, 0.1), rgba(0, 114, 92, 0.1));
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0;
    letter-spacing: -0.025em;
    font-family: "SF Pro Display", Inter, sans-serif;
}

.section-description {
    font-size: 1.1rem;
    font-weight: 400;
    line-height: 1.7;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.9;
}

/* How It Works Section */
.how-it-works {
    padding: 8rem 0;
    background: var(--bg-light);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.step-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    position: relative;
}

.step-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(29, 182, 117, 0.3);
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 1rem auto 1.5rem;
    background: linear-gradient(135deg, rgba(29, 182, 117, 0.1), rgba(0, 114, 92, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.step-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
    font-family: "SF Pro Display", Inter, sans-serif;
}

.step-description {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

.step-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    opacity: 0.5;
}

.step-connector svg {
    width: 30px;
    height: 30px;
}

/* Modern Features Grid */
.features-modern {
    padding: 6rem 0;
    background: white;
}

.features-grid-modern {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card-modern {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card-modern:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.feature-card-inner {
    padding: 2.5rem;
}

.feature-icon-modern {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    transition: var(--transition);
}

.feature-card-modern:hover .feature-icon-modern {
    transform: scale(1.1) rotate(5deg);
}

.gradient-green {
    background: linear-gradient(135deg, #1db675, #00725c);
}

.gradient-blue {
    background: linear-gradient(135deg, #3498db, #2c3e50);
}

.gradient-purple {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
}

.gradient-orange {
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.gradient-red {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.gradient-teal {
    background: linear-gradient(135deg, #1abc9c, #16a085);
}

.feature-icon-modern svg {
    width: 36px;
    height: 36px;
    stroke-width: 2.5;
}

.feature-title-modern {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
    letter-spacing: -0.015em;
    font-family: "SF Pro Display", Inter, sans-serif;
}

.feature-description-modern {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.feature-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-benefits li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: 0.95rem;
    color: var(--text-color);
}

.feature-benefits svg {
    color: var(--primary-color);
    flex-shrink: 0;
}

.feature-highlight {
    position: relative;
}

.feature-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px 20px 0 0;
}

/* CTA Section */
.cta-section {
    position: relative;
    padding: 6rem 0;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.cta-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.3;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 2.5rem;
    letter-spacing: -0.025em;
    line-height: 1.15;
    font-family: "SF Pro Display", Inter, sans-serif;
}

.cta-description {
    font-size: 1.15rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
    margin-top: 1.25rem;
    line-height: 1.75;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.cta-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    font-size: 1rem;
    font-weight: 500;
}

.trust-item svg {
    flex-shrink: 0;
}

/* Responsive Design for Modern Home Page */
@media (max-width: 1024px) {
    .hero-title-modern {
        font-size: 3.25rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .page-header h1 {
        font-size: 3rem;
    }
    
    .page-header p {
        font-size: 1.15rem;
    }
    
    .features-grid-modern {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .step-connector {
        transform: rotate(90deg);
        margin: 1rem 0;
    }
    
    .cta-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .hero-modern {
        min-height: auto;
        padding: 4rem 0 3rem;
    }
    
    /* Reduce size of chemical structures on mobile */
    .shape-1 {
        width: 200px;
        height: 200px;
        top: -50px;
        left: -50px;
    }
    
    .shape-2 {
        width: 150px;
        height: 150px;
    }
    
    .shape-3 {
        width: 120px;
        height: 120px;
    }
    
    .shape-4 {
        width: 180px;
        height: 180px;
    }
    
    .shape-5 {
        width: 140px;
        height: 140px;
    }
    
    .hero-title-modern {
        font-size: 2.75rem;
    }
    
    .hero-subtitle-modern {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem;
    }
    
    .stat-divider {
        display: none;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .hero-buttons-modern {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-modern {
        width: 100%;
    }
    
    .hero-trust-badges {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
    
    .section-description {
        font-size: 1rem;
    }
    
    .how-it-works,
    .features-modern,
    .cta-section {
        padding: 4rem 0;
    }
    
    .features-grid-modern {
        grid-template-columns: 1fr;
    }
    
    .step-card {
        padding: 2rem 1.5rem;
    }
    
    .feature-card-inner {
        padding: 2rem;
    }
    
    .cta-title {
        font-size: 2.25rem;
    }
    
    .cta-description {
        font-size: 1.05rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-buttons .btn-modern {
        width: 100%;
    }
    
    .page-header {
        padding: 3rem 0 2.5rem;
        min-height: 220px;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .page-header p {
        font-size: 1.1rem;
    }
    
    .page-shape-1 {
        width: 120px;
        height: 120px;
        top: 3%;
        left: 1%;
    }
    
    .page-shape-2 {
        width: 120px;
        height: 120px;
        top: 30%;
        right: 3%;
    }
    
    .page-shape-3 {
        width: 110px;
        height: 110px;
        bottom: 3%;
        left: 15%;
    }
    
    .cta-trust {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    /* Further reduce chemical structures on small mobile */
    .shape-1 {
        width: 150px;
        height: 150px;
    }
    
    .shape-2,
    .shape-3,
    .shape-4,
    .shape-5 {
        width: 100px;
        height: 100px;
    }
    
    .shape {
        opacity: 0.05;
    }
    
    .hero-title-modern {
        font-size: 2.25rem;
    }
    
    .hero-subtitle-modern {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.875rem;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .feature-title-modern {
        font-size: 1.2rem;
    }
    
    .step-title {
        font-size: 1.1rem;
    }
    
    .cta-title {
        font-size: 1.875rem;
    }
}
 
/* ================================
   Blog Styles
   ================================ */

/* Blog Section */
.blog-section {
    padding: 4rem 0;
    background-color: var(--bg-light);
}

/* Blog Controls */
.blog-controls {
    margin-bottom: 3rem;
    display: flex;
    justify-content: center;
}

.blog-search-box {
    position: relative;
    max-width: 500px;
    width: 100%;
}

.blog-search-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 1rem;
    transition: var(--transition);
    background-color: white;
}

.blog-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(33, 182, 119, 0.1);
}

.blog-search-box svg {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.blog-card:nth-child(1) { animation-delay: 0.1s; }
.blog-card:nth-child(2) { animation-delay: 0.2s; }
.blog-card:nth-child(3) { animation-delay: 0.3s; }
.blog-card:nth-child(4) { animation-delay: 0.4s; }
.blog-card:nth-child(5) { animation-delay: 0.5s; }
.blog-card:nth-child(6) { animation-delay: 0.6s; }
.blog-card:nth-child(n+7) { animation-delay: 0.7s; }

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.blog-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.blog-card-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background-color: var(--bg-light);
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.1);
}

.blog-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.1) 100%);
    opacity: 0;
    transition: var(--transition);
}

.blog-card:hover .blog-card-overlay {
    opacity: 1;
}

.blog-card-content {
    padding: 2rem;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.blog-card-date,
.blog-card-author {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.blog-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.3;
    font-family: 'SF Pro Display', Inter, sans-serif;
}

.blog-card-excerpt {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.blog-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.blog-card-read-more {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.blog-card:hover .blog-card-read-more {
    transform: translateX(5px);
}

.blog-card-views {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.blog-card-views svg {
    width: 16px;
    height: 16px;
}

/* Single Blog Post */
.blog-post-section {
    padding: 4rem 0;
    background-color: white;
}

.blog-post-container {
    max-width: 900px;
    margin: 0 auto;
}

.blog-post-header {
    margin-bottom: 3rem;
}

.blog-post-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.blog-post-breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.blog-post-breadcrumb a:hover {
    text-decoration: underline;
}

.blog-post-breadcrumb span:last-child {
    color: var(--text-light);
}

.blog-post-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    font-family: 'SF Pro Display', Inter, sans-serif;
}

.blog-post-meta {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    font-size: 0.95rem;
    color: var(--text-light);
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.blog-post-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-post-meta svg {
    color: var(--primary-color);
}

.blog-post-featured-image {
    margin: 3rem 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--bg-light);
    padding: 1rem;
    text-align: center;
}

.blog-post-featured-image img {
    max-width: 100%;
    height: auto;
    max-height: 520px;
    width: auto;
    display: inline-block;
    object-fit: contain;
}

.blog-post-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
}

.blog-post-content h1,
.blog-post-content h2,
.blog-post-content h3,
.blog-post-content h4,
.blog-post-content h5,
.blog-post-content h6 {
    color: var(--text-color);
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
    line-height: 1.3;
    font-family: 'SF Pro Display', Inter, sans-serif;
}

.blog-post-content h1 {
    font-size: 2.5rem;
    margin-top: 3rem;
}

.blog-post-content h2 {
    font-size: 2rem;
    margin-top: 2.5rem;
}

.blog-post-content h3 {
    font-size: 1.5rem;
}

.blog-post-content h4 {
    font-size: 1.25rem;
}

.blog-post-content p {
    margin-bottom: 1.5rem;
}

.blog-post-content ul,
.blog-post-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.blog-post-content li {
    margin-bottom: 0.75rem;
}

.blog-post-content a {
    color: var(--primary-color);
    text-decoration: underline;
    transition: var(--transition);
}

.blog-post-content a:hover {
    color: var(--secondary-color);
}

.blog-post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 2rem 0;
    box-shadow: var(--shadow);
}

.blog-post-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-light);
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
}

.blog-post-content code {
    background-color: var(--bg-light);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    color: var(--secondary-color);
}

.blog-post-content pre {
    background-color: #2d2d2d;
    color: #f8f8f2;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 2rem 0;
}

.blog-post-content pre code {
    background: none;
    color: inherit;
    padding: 0;
}

.blog-post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
}

.blog-post-content table th,
.blog-post-content table td {
    padding: 1rem;
    border: 1px solid var(--border-color);
    text-align: left;
}

.blog-post-content table th {
    background-color: var(--bg-light);
    font-weight: 600;
}

.blog-post-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.empty-state p {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Blog Responsive */
@media (max-width: 768px) {
    .blog-section {
        padding: 3rem 0;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .blog-card-content {
        padding: 1.5rem;
    }
    
    .blog-card-title {
        font-size: 1.25rem;
    }
    
    .blog-post-title {
        font-size: 2rem;
    }
    
    .blog-post-meta {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .blog-post-content {
        font-size: 1rem;
    }
    
    .blog-post-content h1 {
        font-size: 2rem;
    }
    
    .blog-post-content h2 {
        font-size: 1.75rem;
    }
    
    .blog-post-content h3 {
        font-size: 1.35rem;
    }
    
    .blog-post-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .blog-search-input {
        padding: 0.85rem 0.85rem 0.85rem 2.75rem;
    }
    
    .blog-card-image {
        height: 200px;
    }
    
    .blog-post-title {
        font-size: 1.75rem;
    }
    
    .blog-post-content h1 {
        font-size: 1.75rem;
    }
    
    .blog-post-content h2 {
        font-size: 1.5rem;
    }
}