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

:root {
    /* Colors */
    --primary: #0D6E6E;
    --primary-light: rgba(13, 110, 110, 0.08);
    --secondary: #E07B54;
    --secondary-light: rgba(224, 123, 84, 0.08);
    --text-primary: #1A1A1A;
    --text-secondary: #666666;
    --text-tertiary: #888888;
    --text-muted: #AAAAAA;
    --bg-primary: #FAFAFA;
    --bg-white: #FFFFFF;
    --border: #E5E5E5;
    --dark-bg: #1A1A1A;
    
    /* Shadows */
    --shadow-sm: 0 2px 6px rgba(13, 110, 110, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

/* Container */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 120px;
}

@media (max-width: 1200px) {
    .container {
        padding: 0 60px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo img {
    height: 36px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .nav {
        gap: 20px;
    }
    
    .nav-link {
        font-size: 14px;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
    border-radius: 12px;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: #0a5555;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 110, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-primary);
    border-color: var(--text-secondary);
}

/* Hero Section */
.hero {
    background: var(--bg-white);
    padding: 100px 0;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.hero-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    max-width: 800px;
    text-align: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #F8F8F8;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-top: 8px;
}

.hero-visual {
    width: 100%;
    max-width: 1000px;
}

.hero-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
}

@media (max-width: 968px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-large {
        width: 100%;
    }
    
    .hero-image {
        height: 300px;
    }
}

/* Section Common Styles */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .section-title {
        font-size: 32px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
}

/* Features Section */
.features {
    background: var(--bg-primary);
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
}

@media (max-width: 968px) {
    .features {
        padding: 60px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* Stats Section */
.stats {
    background: var(--dark-bg);
    padding: 80px 0;
    color: var(--bg-white);
}

.stats .section-title {
    color: var(--bg-white);
}

.stats .section-subtitle {
    color: var(--text-muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 80px;
    justify-items: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.stat-value {
    font-size: 56px;
    font-weight: 700;
    color: var(--bg-white);
}

.stat-value.coming-soon {
    font-size: 28px;
    opacity: 0.5;
    letter-spacing: 2px;
}

.stat-label {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-tertiary);
}

@media (max-width: 968px) {
    .stats {
        padding: 60px 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .stat-value {
        font-size: 40px;
    }
    
    .stat-value.coming-soon {
        font-size: 22px;
    }
}

/* Portfolio Section */
.portfolio {
    background: var(--bg-white);
    padding: 100px 0;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.project-card {
    background: #F8F8F8;
    border-radius: 16px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    width: 100%;
    height: 320px;
    overflow: hidden;
}

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

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.project-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.project-desc {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
}

@media (max-width: 968px) {
    .portfolio {
        padding: 60px 0;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .project-image {
        height: 240px;
    }
}

/* CTA Section */
.cta {
    background: var(--bg-primary);
    padding: 100px 0;
}

.cta-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--text-primary);
}

.cta-desc {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .cta {
        padding: 60px 0;
    }
    
    .cta-title {
        font-size: 32px;
    }
    
    .cta-desc {
        font-size: 16px;
    }
}

/* Footer */
.footer {
    background: var(--dark-bg);
    padding: 60px 0;
    color: var(--bg-white);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 80px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo img {
    height: 32px;
    width: auto;
}

.footer-tagline {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-tertiary);
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-col-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--bg-white);
    margin-bottom: 4px;
}

.footer-link {
    font-size: 14px;
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--bg-white);
}

.footer-divider {
    height: 1px;
    background: #333333;
    margin-bottom: 24px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal-link {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-legal-link:hover {
    color: var(--bg-white);
}

@media (max-width: 968px) {
    .footer-top {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }