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

:root {
    --primary: #1a1a1a;
    --accent: #ff6b35;
    --light: #f8f9fa;
    --white: #ffffff;
    --gray: #6c757d;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('pic/GEA-HEAD.webp') center/cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 800px;
    padding: 4rem 0;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-lead {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 3rem;
    opacity: 0.95;
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: #ff5722;
    border-color: #ff5722;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

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

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

.btn-large {
    padding: 1.5rem 3rem;
    font-size: 1.25rem;
}

/* Why Us */
.why-us {
    padding: 6rem 0;
    background: var(--light);
}

.why-us h2 {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1.5rem;
}

.lead {
    font-size: 1.25rem;
    text-align: center;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto 4rem;
}

.features-simple {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.feature-simple {
    text-align: center;
}

.feature-simple i {
    font-size: 3.5rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.feature-simple h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-simple p {
    color: var(--gray);
    font-size: 1.1rem;
}

/* Gallery */
.gallery {
    padding: 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
}

.gallery-grid img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

/* Business Model */
.business-model {
    padding: 6rem 0;
    background: var(--primary);
}

.model-box {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.model-header {
    background: linear-gradient(135deg, var(--accent), #ff8a5b);
    color: var(--white);
    padding: 4rem 3rem;
    text-align: center;
}

.model-header h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.model-header p {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 800px;
    margin: 0 auto;
}

.model-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    padding: 4rem 3rem;
}

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

.model-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent), #ff8a5b);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.model-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.model-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.model-item p {
    color: var(--gray);
    font-size: 1rem;
}

.model-cta {
    text-align: center;
    padding: 0 3rem 4rem;
}

/* Contact CTA */
.contact-cta {
    padding: 6rem 0;
    background: var(--light);
}

.cta-box {
    background: var(--white);
    padding: 4rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 0 auto;
}

.cta-box h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.cta-box > p {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 3rem;
}

.contact-methods {
    margin: 3rem 0;
}

.contact-method {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: var(--primary);
    color: var(--white);
    padding: 1.5rem 3rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-method:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.contact-method i {
    font-size: 1.5rem;
}

.contact-subtext {
    margin-top: 2rem;
    color: var(--gray);
    font-size: 1rem;
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
}

.footer p {
    opacity: 0.7;
    font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-lead {
        font-size: 1.2rem;
    }

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

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

    .why-us h2 {
        font-size: 2rem;
    }

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

    .gallery-grid img {
        height: 300px;
    }

    .model-header h2 {
        font-size: 2rem;
    }

    .model-header p {
        font-size: 1.1rem;
    }

    .model-header,
    .model-grid,
    .model-cta {
        padding-left: 2rem;
        padding-right: 2rem;
    }

    .model-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .cta-box {
        padding: 2.5rem 2rem;
    }

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

    .contact-method {
        width: 100%;
        justify-content: center;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-lead {
        font-size: 1.1rem;
    }

    .container {
        padding: 0 1.5rem;
    }
}