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

:root {
    --primary-blue: #0f172a;
    --accent-blue: #3b82f6;
    --light-blue: #60a5fa;
    --dark-blue: #1e293b;
    --text-gray: #64748b;
    --text-light: #94a3b8;
    --white: #ffffff;
    --bg-light: #f8fafc;
    --bg-medium: #f1f5f9;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--white);
    color: var(--primary-blue);
    overflow-x: hidden;
    line-height: 1.6;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-blue), var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

.nav-links a:hover {
    color: var(--accent-blue);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85), rgba(30, 41, 59, 0.75)), 
                url('https://images.unsplash.com/photo-1559827260-dc66d52bef19?q=80&w=2070') center/cover no-repeat;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.88), rgba(30, 41, 59, 0.82));
    z-index: 1;
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
    z-index: 1;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content {
    max-width: 1400px;
    padding: 0 40px;
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 900;
    margin-bottom: 30px;
    line-height: 1.1;
    color: white;
    opacity: 0;
    animation: slideUp 1s ease-out 0.3s forwards;
}

.hero .gradient-text {
    background: linear-gradient(135deg, var(--accent-blue), var(--light-blue), #38bdf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: slideUp 1s ease-out 0.6s forwards;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    opacity: 0;
    animation: slideUp 1s ease-out 0.9s forwards;
}

.btn {
    padding: 15px 40px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--light-blue));
    color: var(--white);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 2px solid white;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: white;
    color: var(--accent-blue);
    transform: translateY(-3px);
}

.stats {
    padding: 100px 40px;
    background: var(--white);
}

.stats-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.stat-card {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(96, 165, 250, 0.03));
    border-radius: 20px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(50px);
}

.stat-card.reveal {
    opacity: 1;
    transform: translateY(0);
}

.stat-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-blue);
    margin-bottom: 10px;
}

.stat-label {
    color: var(--text-gray);
    font-size: 1rem;
}

.products {
    padding: 120px 40px;
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--primary-blue);
    opacity: 0;
    transform: translateY(30px);
}

.section-header h2.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s ease-out;
}

.section-header p {
    color: var(--text-gray);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

.product-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 25px;
    padding: 40px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px);
}

.product-card.reveal {
    opacity: 1;
    transform: translateY(0);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-blue), var(--light-blue));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.product-card:hover::before {
    opacity: 0.05;
}

.product-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: var(--accent-blue);
    box-shadow: 0 30px 60px rgba(59, 130, 246, 0.2);
}

.product-icon {
    font-size: 3.5rem;
    margin-bottom: 25px;
    position: relative;
    z-index: 2;
}

.product-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    z-index: 2;
    color: var(--primary-blue);
}

.product-description {
    color: var(--text-gray);
    line-height: 1.8;
    position: relative;
    z-index: 2;
}

.quality {
    padding: 120px 40px;
    background: white;
    position: relative;
}

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

.quality-visual {
    position: relative;
    height: 500px;
}

.quality-circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.05);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.quality-circle:hover {
    transform: scale(1.1);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.circle-1 {
    width: 200px;
    height: 200px;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    animation: float 6s ease-in-out infinite;
}

.circle-2 {
    width: 180px;
    height: 180px;
    bottom: 0;
    left: 0;
    animation: float 6s ease-in-out infinite 2s;
}

.circle-3 {
    width: 180px;
    height: 180px;
    bottom: 0;
    right: 0;
    animation: float 6s ease-in-out infinite 4s;
}

.circle-4 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, var(--accent-blue), var(--light-blue));
    border: none;
    font-size: 3rem;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.quality-content h2 {
    font-size: 3rem;
    margin-bottom: 30px;
    color: var(--primary-blue);
    opacity: 0;
    transform: translateX(-50px);
}

.quality-content h2.reveal {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.8s ease-out;
}

.quality-list {
    list-style: none;
}

.quality-item {
    padding: 25px;
    margin-bottom: 20px;
    background: rgba(59, 130, 246, 0.05);
    border-left: 4px solid var(--accent-blue);
    border-radius: 10px;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateX(-50px);
}

.quality-item.reveal {
    opacity: 1;
    transform: translateX(0);
}

.quality-item:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: translateX(10px);
}

.quality-item h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--accent-blue);
}

.quality-item p {
    color: var(--text-gray);
}

.sustainability {
    padding: 120px 40px;
    background: var(--bg-medium);
}

.sustainability-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.sustain-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(34, 197, 94, 0.2);
    transition: all 0.4s ease;
    opacity: 0;
    transform: scale(0.9);
}

.sustain-card.reveal {
    opacity: 1;
    transform: scale(1);
}

.sustain-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(34, 197, 94, 0.15);
}

.sustain-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.sustain-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #22c55e;
}

.sustain-card p {
    color: var(--text-gray);
}

.contact {
    padding: 120px 40px;
    background: white;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    opacity: 0;
    transform: translateX(-50px);
}

.contact-info.reveal {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.8s ease-out;
}

.contact-info h2 {
    font-size: 3rem;
    margin-bottom: 30px;
    color: var(--primary-blue);
}

.contact-intro {
    color: var(--text-gray);
    margin-bottom: 40px;
}

.contact-item {
    margin-bottom: 30px;
    padding: 25px;
    background: rgba(59, 130, 246, 0.05);
    border-radius: 15px;
    border-left: 4px solid var(--accent-blue);
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: translateX(10px);
}

.contact-item h3 {
    font-size: 1.2rem;
    color: var(--accent-blue);
    margin-bottom: 10px;
}

.contact-item a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--accent-blue);
}

.contact-item p {
    color: var(--text-gray);
}

footer {
    padding: 60px 40px 30px;
    background: var(--primary-blue);
    color: white;
    text-align: center;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--accent-blue), var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 20px auto;
}

.footer-text {
    color: rgba(255, 255, 255, 0.5);
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1024px) {
    .quality-container,
    .contact-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .quality-visual {
        height: 400px;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .nav-container,
    .hero-content,
    .stats,
    .products,
    .quality,
    .sustainability,
    .contact,
    footer {
        padding-left: 20px;
        padding-right: 20px;
    }
}

html {
    scroll-behavior: smooth;
}