:root {
    --prowatt-blue: #112942;
    --prowatt-green: #53AC51;
    --prowatt-green-hover: #47964a;
    --petrol: #112942;
    --petrol-light: #1a3d5c;
    --coral: #53AC51;
    --coral-hover: #47964a;
    --mint: #e8f5e9;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --dark-gray: #333333;
    --font-main: 'Montserrat', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-main);
    color: var(--petrol);
    overflow-x: hidden;
    background: var(--white);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 60px;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--petrol);
    text-decoration: none;
}

.logo span {
    color: var(--coral);
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--petrol);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--coral);
    transition: width 0.3s ease;
}

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

.nav-right {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-btn {
    background: var(--coral);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: var(--coral-hover);
    transform: translateY(-2px);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 5px;
    background: var(--light-gray);
    border-radius: 20px;
    padding: 4px;
}

.lang-btn {
    background: transparent;
    border: none;
    padding: 8px 16px;
    border-radius: 16px;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    color: var(--petrol);
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: var(--petrol);
    color: white;
}

.lang-btn:hover:not(.active) {
    background: rgba(0, 61, 76, 0.1);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(180deg, var(--white) 0%, var(--mint) 100%);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
    z-index: 2;
}

.hero-label {
    display: inline-block;
    background: var(--petrol);
    color: var(--white);
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 30px;
    opacity: 0;
}

.hero h1 {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    opacity: 0;
}

.hero p {
    font-size: 18px;
    line-height: 1.6;
    color: var(--dark-gray);
    max-width: 600px;
    margin: 0 auto;
    opacity: 0;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
}

.scroll-indicator span {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--petrol);
}

.scroll-indicator .arrow {
    width: 30px;
    height: 50px;
    border: 2px solid var(--petrol);
    border-radius: 15px;
    position: relative;
}

.scroll-indicator .arrow::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 10px;
    background: var(--petrol);
    border-radius: 3px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(15px);
    }
}

/* 3D Panel Hero */
.hero-3d-panel {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%) perspective(1000px);
    width: 350px;
    height: 450px;
}

.panel-3d {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a2a3a 0%, #0a1520 50%, #1a2a3a 100%);
    border-radius: 15px;
    transform: rotateY(-25deg) rotateX(5deg);
    box-shadow: 30px 30px 60px rgba(0, 0, 0, 0.3), -10px -10px 30px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    animation: panelFloat 6s ease-in-out infinite;
}

.panel-3d::before {
    content: '';
    position: absolute;
    inset: 8px;
    background: repeating-linear-gradient(0deg, transparent, transparent 28px, rgba(255, 255, 255, 0.05) 28px, rgba(255, 255, 255, 0.05) 30px), repeating-linear-gradient(90deg, transparent, transparent 55px, rgba(255, 255, 255, 0.05) 55px, rgba(255, 255, 255, 0.05) 57px);
}

.panel-3d::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.15) 50%, transparent 60%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes panelFloat {

    0%,
    100% {
        transform: rotateY(-25deg) rotateX(5deg) translateY(0);
    }

    50% {
        transform: rotateY(-20deg) rotateX(8deg) translateY(-20px);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%);
    }

    100% {
        transform: translateX(100%) translateY(100%);
    }
}

/* About Section */
.about-section {
    padding: 120px 60px;
    background: var(--white);
}

.about-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 20px;
}

.about-content h3 {
    font-size: 20px;
    color: var(--coral);
    margin-bottom: 15px;
}

.about-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--dark-gray);
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--light-gray);
    border-radius: 15px;
}

.stat-item .number {
    font-size: 36px;
    font-weight: 800;
    color: var(--coral);
}

.stat-item .label {
    font-size: 14px;
    color: var(--dark-gray);
    margin-top: 5px;
}

/* References Section */
.references-section {
    padding: 100px 60px;
    background: var(--light-gray);
}

.references-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.references-header h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 15px;
}

.references-header p {
    font-size: 18px;
    color: var(--dark-gray);
}

.references-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 40px;
    align-items: center;
}

.reference-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    background: var(--white);
    border-radius: 15px;
    min-height: 120px;
    transition: all 0.4s ease;
    filter: grayscale(100%);
    opacity: 0.7;
}

.reference-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.reference-logo img {
    max-width: 120px;
    max-height: 60px;
    object-fit: contain;
}

.reference-logo span {
    font-size: 18px;
    font-weight: 700;
    color: var(--petrol);
    text-align: center;
}

/* Social Icons */
.footer-social a svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Roof Section */
.roof-section {
    height: 80vh;
    position: relative;
    overflow: hidden;
}

.roof-sticky {
    position: relative;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.roof-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=2000&q=80') center/cover;
    transform: scale(1.5);
}

.roof-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.6));
}

.roof-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}

.roof-content h2 {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 700;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(50px);
}

.roof-content p {
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
}

.performance-badge {
    position: absolute;
    top: 20%;
    right: 10%;
    width: 150px;
    height: 150px;
    background: var(--coral);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    transform: scale(1);
    box-shadow: 0 20px 40px rgba(83, 172, 81, 0.4);
    animation: badgePulse 3s ease-in-out infinite;
    z-index: 10;
}

@keyframes badgePulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.performance-badge .number {
    font-size: 36px;
    font-weight: 800;
}

.performance-badge .label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

/* Technology Section */
.tech-section {
    padding: 150px 60px;
    background: var(--mint);
    position: relative;
    overflow: hidden;
}

.tech-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.tech-visual {
    position: relative;
    height: 500px;
    perspective: 1000px;
}

.tech-panel {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a2a3a, #0a1520);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotateY(-15deg) rotateX(5deg);
    box-shadow: 30px 30px 60px rgba(0, 0, 0, 0.2);
    transition: transform 0.5s ease;
    position: relative;
    overflow: hidden;
}

.tech-panel::before {
    content: '';
    position: absolute;
    inset: 10px;
    background: repeating-linear-gradient(0deg, transparent, transparent 20px, rgba(255, 255, 255, 0.03) 20px, rgba(255, 255, 255, 0.03) 21px), repeating-linear-gradient(90deg, transparent, transparent 20px, rgba(255, 255, 255, 0.03) 20px, rgba(255, 255, 255, 0.03) 21px);
}

.tech-panel:hover {
    transform: rotateY(-5deg) rotateX(2deg);
}

.tech-panel-label {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: var(--coral);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.tech-content h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.2;
}

.tech-content h3 {
    font-size: 24px;
    color: var(--coral);
    margin-bottom: 20px;
    font-weight: 600;
}

.tech-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--dark-gray);
    margin-bottom: 30px;
}

.tech-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tech-features li {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 16px;
    font-weight: 500;
}

.tech-features li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--coral);
    color: white;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 600;
}

/* Certifications Section */
.cert-section {
    padding: 120px 60px;
    background: var(--petrol);
    color: var(--white);
}

.cert-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.cert-header h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 15px;
}

.cert-header p {
    font-size: 18px;
    opacity: 0.8;
}

.cert-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
}

.cert-badge {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 40px 25px;
    text-align: center;
    transition: all 0.4s ease;
}

.cert-badge:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.cert-badge-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.cert-badge h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.cert-badge p {
    font-size: 13px;
    opacity: 0.7;
    line-height: 1.5;
}

/* Glass Section */
.glass-section {
    padding: 150px 60px;
    background: var(--white);
    position: relative;
}

.glass-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
}

.glass-header h2 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    margin-bottom: 20px;
}

.glass-header h3 {
    font-size: 24px;
    color: var(--coral);
    font-weight: 600;
}

.glass-features {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.glass-feature {
    text-align: center;
    padding: 40px 30px;
    background: var(--light-gray);
    border-radius: 20px;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(50px);
}

.glass-feature:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.glass-feature-icon {
    width: 80px;
    height: 80px;
    background: var(--petrol);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 36px;
}

.glass-feature h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.glass-feature p {
    font-size: 14px;
    color: var(--dark-gray);
    line-height: 1.6;
}

/* Features Grid */
.features-section {
    padding: 150px 60px;
    background: var(--petrol);
    color: var(--white);
}

.features-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.features-header h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 20px;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.4s ease;
    opacity: 0;
    transform: scale(0.8);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px) scale(1);
}

.feature-card-icon {
    font-size: 32px;
    margin-bottom: 15px;
}

.feature-card h4 {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
}

/* Products Section */
.products-section {
    padding: 150px 60px;
    background: var(--light-gray);
}

.products-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.products-header h2 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    margin-bottom: 20px;
}

.products-header p {
    font-size: 18px;
    color: var(--dark-gray);
}

.products-list {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.product-card {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
    background: var(--white);
    border-radius: 30px;
    padding: 50px;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.4s ease;
}

.product-card:hover {
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.1);
}

.product-card:nth-child(even) {
    grid-template-columns: 1.5fr 1fr;
    transform: translateX(50px);
}

.product-card:nth-child(even) .product-visual {
    order: 2;
}

.product-visual {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-panel {
    width: 200px;
    height: 280px;
    background: linear-gradient(135deg, #1a2a3a, #0a1520);
    border-radius: 15px;
    box-shadow: 20px 20px 40px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: transform 0.5s ease;
    overflow: hidden;
}

.product-panel::before {
    content: '';
    position: absolute;
    inset: 8px;
    background: repeating-linear-gradient(0deg, transparent, transparent 15px, rgba(255, 255, 255, 0.03) 15px, rgba(255, 255, 255, 0.03) 16px), repeating-linear-gradient(90deg, transparent, transparent 15px, rgba(255, 255, 255, 0.03) 15px, rgba(255, 255, 255, 0.03) 16px);
}

.product-card:hover .product-panel {
    transform: scale(1.05) rotate(3deg);
}

.product-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--coral);
    color: white;
    padding: 8px 16px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 700;
}

.product-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-content h4 {
    font-size: 18px;
    color: var(--coral);
    font-weight: 600;
    margin-bottom: 20px;
}

.product-content p {
    font-size: 15px;
    color: var(--dark-gray);
    line-height: 1.7;
    margin-bottom: 25px;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 25px;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--light-gray);
    padding: 10px 16px;
    border-radius: 25px;
    font-size: 13px;
    font-weight: 500;
}

.spec-item-icon {
    color: var(--coral);
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--petrol);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.product-link:hover {
    color: var(--coral);
    gap: 15px;
}

.product-link::after {
    content: '→';
    transition: transform 0.3s ease;
}

.product-link:hover::after {
    transform: translateX(5px);
}

.datasheet-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--petrol);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    margin-left: 15px;
}

.datasheet-btn:hover {
    background: var(--petrol-light);
    transform: translateY(-2px);
}

/* Map Section */
.map-section {
    padding: 0;
    background: var(--white);
}

.map-container {
    width: 100%;
    height: 450px;
    position: relative;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.map-overlay-info {
    position: absolute;
    top: 30px;
    right: 30px;
    left: auto;
    background: white;
    padding: 25px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    max-width: 350px;
    z-index: 10;
}

.map-overlay-info h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--petrol);
}

.map-overlay-info p {
    font-size: 14px;
    color: var(--dark-gray);
    margin-bottom: 10px;
    line-height: 1.6;
}

.map-overlay-info a {
    color: var(--coral);
    text-decoration: none;
    font-weight: 600;
}

/* CTA Section */
.cta-section {
    padding: 150px 60px;
    background: var(--mint);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    color: var(--dark-gray);
    margin-bottom: 40px;
}

.cta-btn {
    display: inline-block;
    background: var(--coral);
    color: white;
    padding: 18px 40px;
    border-radius: 35px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

.cta-btn:hover {
    background: var(--coral-hover);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(255, 106, 57, 0.3);
}

/* Footer */
.footer {
    background: var(--petrol);
    color: var(--white);
    padding: 80px 60px 40px;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--coral);
}

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

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-social {
    display: flex;
    gap: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--coral);
    transform: translateY(-3px);
}

/* Floating Button */
.floating-btn {
    position: fixed;
    bottom: 110px;
    right: 30px;
    background: var(--petrol);
    color: var(--white);
    padding: 15px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    z-index: 999;
    box-shadow: 0 10px 30px rgba(0, 61, 76, 0.3);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.floating-btn:hover {
    background: var(--petrol-light);
    transform: translateY(-3px);
}

.floating-btn.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .nav {
        padding: 0 30px;
    }

    .nav-links {
        display: none;
    }

    .tech-grid,
    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .glass-features {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-card,
    .product-card:nth-child(even) {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .product-card:nth-child(even) .product-visual {
        order: 0;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-3d-panel {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-content {
        padding: 0 30px;
    }

    .tech-section,
    .glass-section,
    .features-section,
    .products-section,
    .about-section,
    .cert-section {
        padding: 100px 30px;
    }

    .glass-features,
    .cert-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .map-overlay-info {
        position: relative;
        top: auto;
        left: auto;
        margin: 20px;
        max-width: none;
    }
}

.reveal {
    opacity: 0;
    transform: translateY(50px);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}