@charset "utf-8";


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

:root {
    --primary: #c41e3a;
    --primary-dark: #a01830;
    --primary-light: #e8455f;
    --accent: #ff6b35;
    --accent-light: #ff8c5a;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --text-light: #999999;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-gray: #f0f0f0;
    --border-color: #e0e0e0;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    font-size: 1.8rem;
    color: var(--accent);
}

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

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
    position: relative;
}

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

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 5% 80px;
    background: linear-gradient(135deg, #fff5f5 0%, #ffffff 50%, #fff8f5 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
            radial-gradient(circle at 20% 80%, rgba(196, 30, 58, 0.05) 0%, transparent 50%),
            radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.hero-text h1 span {
    color: var(--primary);
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 15px 40px;
    border-radius: 5px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(196, 30, 58, 0.3);
}

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

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

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.floating-card {
    position: absolute;
    background: white;
    padding: 20px 30px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.floating-card.card-1 {
    top: -20px;
    right: -20px;
}

.floating-card.card-2 {
    bottom: 30px;
    left: -30px;
}

.floating-card h4 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 5px;
    font-weight: 800;
}

.floating-card p {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin: 0;
}

/* Stats Section */
.stats {
    padding: 80px 5%;
    background: var(--bg-light);
}

.stats-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-card {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 15px 40px rgba(196, 30, 58, 0.1);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.stat-card h3 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 10px;
}

.stat-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* Technology Section */
.technology {
    padding: 100px 5%;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.section-header h2 span {
    color: var(--primary);
}

.section-header p {
    color: var(--text-gray);
    font-size: 1.05rem;
    line-height: 1.7;
}

.tech-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.tech-card {
    background: white;
    border-radius: 10px;
    padding: 40px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.tech-card:hover::before {
    transform: scaleX(1);
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

.tech-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.tech-icon i {
    font-size: 2rem;
    color: white;
}

.tech-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.tech-card p {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.tech-features {
    list-style: none;
}

.tech-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.tech-features li i {
    color: var(--primary);
    font-size: 1rem;
}

/* Comparison Section */
.comparison {
    padding: 100px 5%;
    background: var(--bg-light);
}

.comparison-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.comparison-content h2 {
    font-size: 2.3rem;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.comparison-content h2 span {
    color: var(--primary);
}

.comparison-content > p {
    color: var(--text-gray);
    margin-bottom: 35px;
    font-size: 1.05rem;
    line-height: 1.7;
}

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

.advantage-list li {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
    padding: 25px;
    background: white;
    border-radius: 10px;
    border-left: 4px solid var(--primary);
    transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.advantage-list li:hover {
    transform: translateX(5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.advantage-icon i {
    font-size: 1.3rem;
    color: white;
}

.advantage-text h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.advantage-text p {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

.comparison-image {
    position: relative;
}

.comparison-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.process-steps {
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    background: white;
    padding: 20px 35px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.process-step {
    text-align: center;
    padding: 0 15px;
    border-right: 1px solid var(--border-color);
}

.process-step:last-child {
    border-right: none;
}

.process-step .number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
}

.process-step p {
    font-size: 0.8rem;
    color: var(--text-gray);
    margin-top: 5px;
}

/* Applications Section */
.applications {
    padding: 100px 5%;
    background: white;
}

.apps-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.app-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.app-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.app-card-image {
    height: 180px;
    overflow: hidden;
}

.app-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.app-card-content {
    padding: 25px;
}

.app-card-content i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.app-card-content h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.app-card-content p {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Sustainability Section */
.sustainability {
    padding: 100px 5%;
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.sustainability::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
            radial-gradient(circle at 10% 50%, rgba(196, 30, 58, 0.03) 0%, transparent 40%),
            radial-gradient(circle at 90% 50%, rgba(255, 107, 53, 0.03) 0%, transparent 40%);
    pointer-events: none;
}

.sustainability-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.sustainability-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.sustainability-text h2 {
    font-size: 2.3rem;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.sustainability-text h2 span {
    color: var(--primary);
}

.sustainability-text > p {
    color: var(--text-gray);
    margin-bottom: 35px;
    font-size: 1.05rem;
    line-height: 1.7;
}

.eco-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.eco-metric {
    background: white;
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.eco-metric:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.eco-metric i {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.eco-metric h4 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.eco-metric p {
    color: var(--text-gray);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* CTA Section */
.cta {
    padding: 100px 5%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
            radial-gradient(circle at 50% 50%, rgba(255, 107, 53, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 25px;
    color: white;
}

.cta h2 span {
    color: var(--accent-light);
}

.cta p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    margin-bottom: 40px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn-large {
    padding: 18px 45px;
    font-size: 1.05rem;
}

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

.btn-white:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-outline-white {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

/* Footer */
footer {
    background: #1a1a1a;
    padding: 70px 5% 30px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 15px;
}

.footer-brand .logo i {
    color: var(--accent);
}

.footer-brand p {
    color: #999;
    margin-top: 15px;
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: white;
    font-weight: 600;
}

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

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

.footer-links a {
    color: #999;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: #666;
    font-size: 0.85rem;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.animate-float {
    animation: float 5s ease-in-out infinite;
}

/* Responsive */
@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .floating-card {
        display: none;
    }

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

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

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

    .comparison-image {
        order: -1;
    }

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

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

    .sustainability-image {
        order: -1;
    }

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

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

    .hero-text h1 {
        font-size: 2rem;
    }

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

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

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

    .process-steps {
        flex-direction: column;
        gap: 10px;
        padding: 15px 25px;
    }

    .process-step {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 10px;
    }

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

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

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

    .cta h2 {
        font-size: 2rem;
    }
}