/* CSS Variables */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #10b981;
    --accent: #f59e0b;
    --dark: #1e293b;
    --dark-light: #334155;
    --light: #f8fafc;
    --gray: #64748b;
    --gray-light: #e2e8f0;
    --white: #fff;
    --shadow: 0 4px 6px -1px rgba(0,0,0,.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1);
    --radius: 12px;
    --transition: all .3s ease;
}

/* Reset & Base */
*,*::before,*::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; line-height: 1.6; color: var(--dark); background: var(--light); }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Navbar */
.navbar { position: fixed; inset: 0 0 auto; background: var(--white); box-shadow: var(--shadow); z-index: 1000; }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.4rem; }
.logo-icon { color: var(--primary); font-size: 1.8rem; }
.logo-text { color: var(--dark); }

.nav-links { display: flex; gap: 30px; }
.nav-links a { font-weight: 500; color: var(--gray); transition: var(--transition); padding: 8px 0; position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a.active::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--primary); border-radius: 2px; }

.nav-actions { display: flex; align-items: center; gap: 15px; }
.lang-switch { background: var(--primary); color: var(--white); border: none; padding: 8px 16px; border-radius: 20px; cursor: pointer; font-weight: 500; transition: var(--transition); }
.lang-switch:hover { background: var(--primary-dark); }
.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--dark); }

/* Hero Section */
.hero { min-height: 100vh; display: flex; align-items: center; padding: 100px 20px 60px; background: linear-gradient(135deg, var(--light), #e0e7ff); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -50%; right: -20%; width: 80%; height: 150%; background: linear-gradient(135deg, rgba(37,99,235,.1), rgba(16,185,129,.1)); border-radius: 50%; }
.hero-content { max-width: 600px; position: relative; z-index: 1; margin-left: 10%; }
.hero h1 { font-size: 3.5rem; font-weight: 800; line-height: 1.2; margin-bottom: 20px; color: var(--dark); }
.hero p { font-size: 1.2rem; color: var(--gray); margin-bottom: 30px; }
.hero-buttons { display: flex; gap: 15px; flex-wrap: wrap; }

/* Buttons */
.btn { display: inline-block; padding: 14px 28px; border-radius: 8px; font-weight: 600; transition: var(--transition); cursor: pointer; border: none; font-size: 1rem; }
.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: var(--white); color: var(--primary); border: 2px solid var(--primary); }
.btn-secondary:hover { background: var(--primary); color: var(--white); }
.btn-large { padding: 18px 36px; font-size: 1.1rem; }

/* Hero Visual */
.hero-visual { position: absolute; right: 10%; top: 50%; transform: translateY(-50%); width: 400px; height: 400px; }
.floating-card { position: absolute; background: var(--white); padding: 20px 25px; border-radius: var(--radius); box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 12px; font-weight: 600; animation: float 3s ease-in-out infinite; }
.card-icon { font-size: 1.5rem; }
.card-1 { top: 20%; left: 0; }
.card-2 { top: 45%; right: 0; animation-delay: .5s; }
.card-3 { bottom: 15%; left: 10%; animation-delay: 1s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }

/* Section Styles */
.section-title { text-align: center; font-size: 2.5rem; font-weight: 700; margin-bottom: 50px; color: var(--dark); }

/* Features Section */
.features { padding: 100px 0; background: var(--white); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.feature-card { text-align: center; padding: 40px 25px; border-radius: var(--radius); background: var(--light); transition: var(--transition); }
.feature-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); }
.feature-icon { font-size: 3rem; margin-bottom: 20px; }
.feature-card h3 { font-size: 1.3rem; margin-bottom: 15px; color: var(--dark); }
.feature-card p { color: var(--gray); font-size: .95rem; }

/* Stats Section */
.stats { padding: 80px 0; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat-item { color: var(--white); }
.stat-number { display: block; font-size: 3.5rem; font-weight: 800; margin-bottom: 10px; }
.stat-label { font-size: 1.1rem; opacity: .9; }

/* Services Preview */
.services-preview { padding: 100px 0; background: var(--light); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card { background: var(--white); padding: 35px; border-radius: var(--radius); box-shadow: var(--shadow); transition: var(--transition); }
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.service-header { display: flex; align-items: center; gap: 15px; margin-bottom: 20px; }
.service-icon { font-size: 2.5rem; }
.service-card h3 { font-size: 1.2rem; color: var(--dark); }
.service-card p { color: var(--gray); margin-bottom: 20px; line-height: 1.7; }
.service-link { color: var(--primary); font-weight: 600; transition: var(--transition); }
.service-link:hover { color: var(--primary-dark); }

/* CTA Section */
.cta { padding: 100px 0; background: var(--dark); text-align: center; }
.cta-content h2 { font-size: 2.5rem; color: var(--white); margin-bottom: 20px; }
.cta-content p { color: var(--gray-light); font-size: 1.2rem; margin-bottom: 30px; }

/* Footer */
.footer { background: var(--dark-light); padding: 60px 0 30px; color: var(--gray-light); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { margin-bottom: 15px; }
.footer-brand .logo-text { color: var(--white); }
.footer-brand p { font-size: .95rem; line-height: 1.7; }
.company-name { margin-top: 10px; font-size: .85rem; opacity: .8; }
.footer-links h4, .footer-contact h4 { color: var(--white); font-size: 1.1rem; margin-bottom: 20px; }
.footer-links ul { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { color: var(--gray-light); transition: var(--transition); }
.footer-links a:hover { color: var(--primary); }
.footer-contact p { margin-bottom: 10px; font-size: .95rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 30px; text-align: center; font-size: .9rem; }

/* Mobile Menu */
.mobile-menu { display: none; position: fixed; top: 70px; left: 0; right: 0; background: var(--white); padding: 20px; box-shadow: var(--shadow-lg); z-index: 999; }
.mobile-menu.active { display: block; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 15px; }
.mobile-menu a { display: block; padding: 10px; font-weight: 500; color: var(--dark); }

/* Responsive */
@media (max-width: 1024px) {
    .hero h1 { font-size: 2.8rem; }
    .hero-visual { display: none; }
    .hero-content { margin-left: 0; max-width: 100%; text-align: center; }
    .hero-buttons { justify-content: center; }
    .features-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { gap: 40px; }
    .services-grid, .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .hero { padding: 100px 20px 40px; }
    .hero h1 { font-size: 2.2rem; }
    .section-title { font-size: 2rem; }
    .features-grid, .services-grid, .stats-grid, .footer-grid { grid-template-columns: 1fr; }
    .stats-grid { gap: 30px; }
    .stat-number { font-size: 2.5rem; }
    .footer-grid { text-align: center; }
    .cta-content h2 { font-size: 1.8rem; }
}