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

:root {
    /* Color Palette - Ocean/Marine Theme */
    --primary-blue: #0066cc;
    --secondary-blue: #004d99;
    --ocean-teal: #008b8b;
    --deep-sea: #003366;
    --light-blue: #e6f3ff;
    --coral: #ff6b35;
    --gold: #ffa500;
    --pearl: #f8f9fa;
    --slate: #2c3e50;
    --silver: #95a5a6;
    --white: #ffffff;
    --black: #000000;
    
    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    --border-radius: 8px;
    --box-shadow: 0 4px 20px rgba(0, 102, 204, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--slate);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Loading Screen */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue), var(--ocean-teal));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    color: var(--white);
}

.fish-loader {
    font-size: 4rem;
    animation: swim 2s ease-in-out infinite;
    margin-bottom: 1rem;
}

@keyframes swim {
    0%, 100% { transform: translateX(-20px) rotate(-5deg); }
    50% { transform: translateX(20px) rotate(5deg); }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 102, 204, 0.1);
    z-index: 1000;
    transition: var(--transition);
    padding: 0.5rem 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--box-shadow);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-blue);
    line-height: 1.2;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 3px;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: var(--slate);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-video::-webkit-media-controls {
    display: none !important;
}

.hero-video::-webkit-media-controls-enclosure {
    display: none !important;
}

.hero-audio {
    display: none;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 70%);
    animation: wave 4s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: translateX(-100px); }
    50% { transform: translateX(100px); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.7), rgba(0, 139, 139, 0.7));
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    animation: fadeInUp 1s ease;
}

.hero-subtitle-inline {
    display: block;
    font-size: 2.2rem;
    font-weight: 400;
    margin-top: 1rem;
    opacity: 0.9;
    color: var(--light-blue);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease 0.4s both;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--gold);
}

.stat p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s infinite;
    color: var(--white);
}

.hero-scroll i {
    display: block;
    margin-top: 0.5rem;
    font-size: 1.2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    font-family: var(--font-primary);
    text-align: center;
}

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

.btn-primary:hover {
    background: transparent;
    border-color: var(--coral);
    color: var(--coral);
}

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

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

.btn-full {
    width: 100%;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Section Styles */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-blue), var(--ocean-teal));
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 {
    font-family: var(--font-primary);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--deep-sea);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--silver);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--pearl);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-family: var(--font-primary);
    font-size: 2rem;
    color: var(--deep-sea);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.about-features {
    margin: 2rem 0;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.feature i {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.feature h4 {
    font-weight: 600;
    color: var(--deep-sea);
    margin-bottom: 0.5rem;
}

.company-info {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-top: 2rem;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.info-item {
    display: flex;
    gap: 1rem;
}

.info-item i {
    color: var(--ocean-teal);
    font-size: 1.2rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.info-item h5 {
    font-weight: 600;
    color: var(--deep-sea);
    margin-bottom: 0.5rem;
}

.about-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: var(--transition);
}

.image-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    opacity: 0;
    transition: var(--transition);
}

.about-image:hover .image-overlay {
    opacity: 1;
}

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

.image-overlay i {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    display: block;
}

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

.service-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 204, 0.1), transparent);
    transition: var(--transition);
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--ocean-teal));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 1;
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

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

.service-card p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
    text-align: left;
}

.service-card li {
    padding: 0.3rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--ocean-teal);
    font-weight: bold;
}

/* Products Section */
.products {
    background: var(--pearl);
}

.products-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.product-main {
    position: relative;
}

.product-hero {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.product-info {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-top: -3rem;
    position: relative;
    z-index: 2;
    box-shadow: var(--box-shadow);
}

.product-info h3 {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    color: var(--deep-sea);
    margin-bottom: 1rem;
}

.product-specs {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.spec {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.spec i {
    color: var(--primary-blue);
    width: 20px;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--ocean-teal);
}

.feature-card h4 {
    font-family: var(--font-primary);
    color: var(--deep-sea);
    margin-bottom: 0.5rem;
}

/* Supply & Sourcing Section */
.supply-sourcing {
    background: var(--pearl);
    padding: var(--section-padding);
}

.supply-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.supply-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.supply-stat {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.supply-stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 102, 204, 0.15);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--ocean-teal));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.stat-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.supply-stat h3 {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.supply-stat p {
    font-weight: 600;
    color: var(--deep-sea);
    margin-bottom: 0.3rem;
}

.supply-stat span {
    font-size: 0.9rem;
    color: var(--silver);
}

.grouper-varieties {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.grouper-varieties h3 {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    color: var(--deep-sea);
    margin-bottom: 2rem;
    text-align: center;
}

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

.variety-item {
    background: linear-gradient(135deg, var(--light-blue), var(--pearl));
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 500;
    color: var(--deep-sea);
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.variety-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 204, 0.1), transparent);
    transition: var(--transition);
}

.variety-item:hover {
    border-color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.2);
}

.variety-item:hover::before {
    left: 100%;
}

.more-varieties {
    background: linear-gradient(135deg, var(--primary-blue), var(--ocean-teal));
    color: var(--white);
    font-weight: 600;
    position: relative;
}

.more-varieties::after {
    content: '🐟';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .supply-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .supply-stats {
        grid-template-columns: 1fr;
    }
    
    .varieties-grid {
        grid-template-columns: 1fr;
    }
    
    .variety-item {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
}

/* Operations Gallery Section */
.operations {
    background: var(--white);
}

.operations-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.operation-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    background: var(--pearl);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.operation-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.15);
}

.operation-item:nth-child(even) {
    direction: rtl;
}

.operation-item:nth-child(even) .operation-content {
    direction: ltr;
}

.operation-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.operation-item:hover img {
    transform: scale(1.05);
}

.operation-content {
    padding: 2rem;
}

.operation-content h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--deep-sea);
    margin-bottom: 1rem;
}

.operation-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--slate);
}

@media (max-width: 768px) {
    .operation-item {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    
    .operation-item:nth-child(even) {
        direction: ltr;
    }
    
    .operation-content {
        padding: 1.5rem;
    }
    
    .operation-content h3 {
        font-size: 1.3rem;
    }
}

/* Quality Section */
.quality-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.quality-points {
    margin: 2rem 0;
}

.quality-point {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 0.8rem;
    background: var(--light-blue);
    border-radius: var(--border-radius);
}

.quality-point i {
    color: var(--ocean-teal);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.certifications {
    margin-top: 2rem;
}

.certifications h4 {
    font-family: var(--font-primary);
    color: var(--deep-sea);
    margin-bottom: 1rem;
}

.cert-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.cert-badge {
    background: linear-gradient(135deg, var(--primary-blue), var(--ocean-teal));
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.quality-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* Contact Section */
.contact {
    background: var(--pearl);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

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

.contact-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 102, 204, 0.15);
}

.contact-card i {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.contact-card h4 {
    font-family: var(--font-primary);
    color: var(--deep-sea);
    margin-bottom: 1rem;
}

.contact-form-container {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.contact-form h3 {
    font-family: var(--font-primary);
    color: var(--deep-sea);
    margin-bottom: 2rem;
    text-align: center;
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #e1e8ed;
    border-radius: var(--border-radius);
    font-family: var(--font-secondary);
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--silver);
    transition: var(--transition);
}

.form-group:focus-within i {
    color: var(--primary-blue);
}

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

.form-group textarea + i {
    top: 1.2rem;
    transform: none;
}

/* Footer */
.footer {
    background: var(--deep-sea);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

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

.footer-logo span {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.2;
}

.footer-section h4 {
    font-family: var(--font-primary);
    margin-bottom: 1rem;
    color: var(--gold);
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    opacity: 0.8;
}

.footer-section a:hover {
    color: var(--gold);
    opacity: 1;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gold);
    transform: translateY(-3px);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--gold);
    opacity: 1;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--coral);
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-header h2 {
        font-size: 2.4rem;
    }
    
    .about-content,
    .products-showcase,
    .quality-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem 0;
        box-shadow: var(--box-shadow);
        transition: var(--transition);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle-inline {
        font-size: 1.6rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .logo-text {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-badges {
        flex-direction: column;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle-inline {
        font-size: 1.4rem;
    }
    
    .logo-text {
        font-size: 0.9rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .contact-form-container,
    .service-card,
    .contact-card {
        padding: 1.5rem;
    }
    
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hero-scroll,
    .back-to-top {
        display: none;
    }
    
    .hero {
        height: auto;
        padding: 2rem 0;
    }
    
    section {
        padding: 2rem 0;
    }
    
    .footer {
        background: var(--white);
        color: var(--slate);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    }
    
    .btn {
        border-width: 3px;
    }
    
    .nav-link::after {
        height: 3px;
    }
}

/* Focus styles for better accessibility */
*:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}