/* ===== CSS Variables ===== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0f172a;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: all 0.3s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.btn-light:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary);
}

.logo-icon {
    color: var(--primary);
    font-size: 28px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    color: var(--gray-600);
    padding: 8px 0;
    position: relative;
}

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

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

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-toggle {
    padding: 8px 16px;
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.lang-toggle:hover {
    background: var(--gray-200);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-700);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -200px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -100px;
    left: -100px;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: var(--primary-light);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Section Styles ===== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Features Section ===== */
.features {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    background: var(--white);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 15px;
    color: var(--gray-500);
}

/* ===== Services Preview ===== */
.services-preview {
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray-500);
    line-height: 1.7;
}

.services-cta {
    text-align: center;
    margin-top: 50px;
}

/* ===== Stats Section ===== */
.stats {
    background: var(--primary);
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
}

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--gray-800) 100%);
    padding: 100px 0;
}

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

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    color: var(--gray-300);
    margin-bottom: 32px;
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--gray-400);
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}

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

.footer-col ul li a:hover {
    color: var(--primary-light);
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--gray-800);
    text-align: center;
    font-size: 14px;
    color: var(--gray-500);
}

/* ===== Page Header ===== */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 140px 0 80px;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== About Page ===== */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 24px;
}

.about-text p {
    color: var(--gray-600);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-image {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: var(--radius-xl);
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.value-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.value-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 12px;
}

.value-card p {
    color: var(--gray-500);
    font-size: 15px;
}

.company-info {
    background: var(--gray-50);
}

.info-card {
    background: var(--white);
    padding: 50px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
}

.info-item {
    display: flex;
    padding: 20px 0;
    border-bottom: 1px solid var(--gray-200);
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    width: 200px;
    font-weight: 600;
    color: var(--secondary);
}

.info-value {
    flex: 1;
    color: var(--gray-600);
}

/* ===== Services Page ===== */
.services-full {
    background: var(--white);
}

.services-full-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.service-full-card {
    background: var(--gray-50);
    padding: 50px;
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

.service-full-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    background: var(--white);
}

.service-full-icon {
    font-size: 56px;
    margin-bottom: 24px;
}

.service-full-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 16px;
}

.service-full-card p {
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.8;
}

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

.service-features li {
    padding: 8px 0;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features li::before {
    content: "✓";
    color: var(--success);
    font-weight: 700;
}

.process-section {
    background: var(--gray-50);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.process-step {
    text-align: center;
    position: relative;
}

.process-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.process-step h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 10px;
}

.process-step p {
    font-size: 14px;
    color: var(--gray-500);
}

/* ===== Contact Page ===== */
.contact-section {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info-card {
    background: var(--gray-50);
    padding: 40px;
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

.contact-info-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 20px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
}

.contact-detail-icon {
    font-size: 24px;
}

.contact-detail-text h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 4px;
}

.contact-detail-text p {
    color: var(--gray-600);
    font-size: 15px;
}

.contact-form {
    background: var(--gray-50);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.map-section {
    background: var(--gray-50);
}

.map-container {
    height: 450px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

#map {
    width: 100%;
    height: 100%;
}

/* ===== Legal Pages ===== */
.legal-content {
    background: var(--white);
    padding: 80px 0;
}

.legal-container {
    max-width: 800px;
    margin: 0 auto;
}

.legal-container h2 {
    font-size: 28px;
    font-weight: 600;
    color: var(--secondary);
    margin: 40px 0 20px;
}

.legal-container h2:first-child {
    margin-top: 0;
}

.legal-container p {
    color: var(--gray-600);
    margin-bottom: 16px;
    line-height: 1.8;
}

.legal-container ul {
    margin: 16px 0;
    padding-left: 24px;
}

.legal-container ul li {
    color: var(--gray-600);
    margin-bottom: 8px;
    list-style: disc;
}

.legal-update {
    background: var(--gray-100);
    padding: 20px;
    border-radius: var(--radius);
    margin-top: 40px;
    font-size: 14px;
    color: var(--gray-500);
}

/* ===== Mobile Navigation ===== */
.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav a {
    display: block;
    padding: 12px 0;
    color: var(--gray-700);
    font-weight: 500;
    border-bottom: 1px solid var(--gray-200);
}

.mobile-nav a:last-child {
    border-bottom: none;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .features-grid,
    .services-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .about-intro {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        height: 300px;
        order: -1;
    }
    
    .services-full-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 32px;
    }
    
    .info-item {
        flex-direction: column;
        gap: 8px;
    }
    
    .info-label {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .btn {
        padding: 14px 24px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .feature-card,
    .service-card,
    .value-card {
        padding: 30px 20px;
    }
}