:root {
    --primary: #0b1c3c;
    --secondary: #00a896;
    --accent: #ff6b35;
    --light: #f8f9fa;
    --dark: #121212;
    --text: #333333;
    --text-light: #e0e0e0;
    --radius: 8px;
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: system-ui, -apple-system, sans-serif; line-height: 1.6; color: var(--text); background: #fff; }

.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section { padding: 4rem 0; }
.bg-light { background: var(--light); }
.bg-dark { background: var(--primary); color: var(--text-light); }
.text-light { color: var(--text-light); }
.section-title { font-size: 2rem; margin-bottom: 1.5rem; text-align: center; }
.grid { display: grid; gap: 1.5rem; }
.btn { display: inline-block; padding: 0.75rem 1.5rem; border-radius: var(--radius); text-decoration: none; font-weight: 600; transition: var(--transition); cursor: pointer; border: none; }
.btn-primary { background: var(--secondary); color: #fff; }
.btn-primary:hover { background: #008f80; }
.btn-secondary { background: transparent; border: 2px solid #fff; color: #fff; }
.btn-secondary:hover { background: #fff; color: var(--primary); }

.header { background: #fff; box-shadow: var(--shadow); position: sticky; top: 0; z-index: 100; }
.header-flex { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 800; color: var(--primary); text-decoration: none; }
.logo-img { height: 40px; width: auto; }
.logo-text { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.nav-list { display: flex; list-style: none; gap: 1.5rem; }
.nav-list a { text-decoration: none; color: var(--text); font-weight: 500; }
.nav-list a:hover { color: var(--secondary); }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 4px; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--primary); transition: var(--transition); }

.hero { position: relative; color: #fff; padding: 0; text-align: center; overflow: hidden; min-height: 100vh; display: flex; align-items: center; justify-content: center; will-change: min-height; }
.hero-bg-wrapper { position: absolute; inset: 0; z-index: 0; }
.hero-bg-wrapper img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-overlay { position: absolute; inset: 0; }
.hero-content { position: relative; z-index: 1; padding: 2rem 0; }
.hero h1 { font-size: 2.8rem; margin-bottom: 1rem; line-height: 1.2; }
.hero p { font-size: 1.2rem; max-width: 700px; margin: 0 auto 2rem; opacity: 0.9; }
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.card { background: #fff; padding: 1.5rem; border-radius: var(--radius); box-shadow: var(--shadow); transition: var(--transition); }
.card:hover { transform: translateY(-5px); }
.card h3 { color: var(--primary); margin-bottom: 0.5rem; }

.section-services { background: var(--light); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-tag { display: inline-block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--secondary); background: rgba(0,168,150,0.1); padding: 6px 16px; border-radius: 20px; margin-bottom: 12px; }
.section-desc { font-size: 1.05rem; color: #64748B; line-height: 1.7; }

.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 32px; }
.service-card { background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid #E2E8F0; transition: var(--transition); }
.service-card:hover { box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1); transform: translateY(-6px); border-color: rgba(0,168,150,0.2); }
.service-img-wrapper { height: 200px; overflow: hidden; }
.service-img-wrapper img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.6s ease; }
.service-card:hover .service-img-wrapper img { transform: scale(1.08); }
.service-content { padding: 28px; }
.service-icon { display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px; border-radius: 12px; background: rgba(0,168,150,0.1); color: var(--secondary); margin-bottom: 16px; }
.service-title { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.service-desc { font-size: 0.9rem; color: #64748B; line-height: 1.6; margin-bottom: 16px; }
.service-features { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; list-style: none; }
.service-features li { font-size: 0.82rem; color: #334155; padding-left: 18px; position: relative; }
.service-features li::before { content: ''; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--secondary); }

.section-industries { background: #fff; }
.industries-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.industry-card { position: relative; border-radius: 12px; overflow: hidden; min-height: 300px; display: flex; align-items: flex-end; transition: var(--transition); cursor: pointer; }
.industry-card:hover { transform: translateY(-4px); box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1); }
.industry-img-wrapper { position: absolute; inset: 0; }
.industry-img-wrapper img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.industry-card:hover .industry-img-wrapper img { transform: scale(1.1); }
.industry-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,28,60,0.1) 0%, rgba(11,28,60,0.85) 100%); transition: background var(--transition); }
.industry-card:hover .industry-overlay { background: linear-gradient(180deg, rgba(0,168,150,0.2) 0%, rgba(11,28,60,0.9) 100%); }
.industry-content { position: relative; z-index: 1; padding: 24px; color: #fff; }
.industry-icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 10px; background: rgba(255,255,255,0.15); color: #fff; margin-bottom: 10px; backdrop-filter: blur(8px); }
.industry-content h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 6px; }
.industry-content p { font-size: 0.88rem; color: rgba(255,255,255,0.8); line-height: 1.5; }

.section-why { background: var(--light); }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.why-card { background: #fff; border-radius: 12px; padding: 28px; border: 1px solid #E2E8F0; transition: var(--transition); }
.why-card:hover { transform: translateY(-4px); box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1); border-color: rgba(0,168,150,0.2); }
.why-card-wide { grid-column: 1 / -1; max-width: 600px; margin: 0 auto; width: 100%; }
.why-icon { display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px; border-radius: 12px; background: rgba(0,168,150,0.1); color: var(--secondary); margin-bottom: 16px; }
.why-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.why-list { list-style: none; }
.why-list li { font-size: 0.9rem; color: #64748B; line-height: 1.6; padding-left: 20px; position: relative; margin-bottom: 6px; }
.why-list li::before { content: ''; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--secondary); }

.back-to-top { position: fixed; bottom: 32px; right: 32px; display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; background: var(--secondary); color: #fff; border-radius: 50px; text-decoration: none; font-size: 0.85rem; font-weight: 600; box-shadow: 0 4px 16px rgba(0,168,150,0.4); opacity: 0; visibility: hidden; transform: translateY(16px); transition: all 0.3s ease; z-index: 999; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: #008f80; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,168,150,0.5); }

.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; align-items: center; }
.feature-list { list-style: none; margin-top: 1rem; }
.feature-list li { margin-bottom: 0.5rem; padding-left: 1.5rem; position: relative; }
.stat-box { background: var(--secondary); color: #fff; padding: 2rem; border-radius: var(--radius); text-align: center; }

/* Video Cards */
.video-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.video-card { display: block; text-decoration: none; color: inherit; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); background: #fff; }
.video-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,0.15); }
.video-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; background: #000; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: var(--transition); }
.video-card:hover .video-thumb img { transform: scale(1.05); opacity: 0.85; }
.play-icon {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 60px; height: 60px; background: rgba(0, 168, 150, 0.9);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.3); transition: var(--transition);
}
.video-card:hover .play-icon { background: var(--secondary); transform: translate(-50%, -50%) scale(1.1); }
.video-title { padding: 1rem; text-align: center; font-weight: 600; color: var(--primary); margin: 0; }

.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; }
.form-group label { margin-bottom: 0.3rem; font-weight: 500; }
.form-group input, .form-group textarea { padding: 0.75rem; border: 1px solid #ccc; border-radius: var(--radius); font-family: inherit; }
.contact-center { max-width: 600px; margin: 0 auto; text-align: center; }
.whatsapp-btn { display: inline-flex; align-items: center; gap: 12px; padding: 16px 36px; background: #25D366; color: #fff; border-radius: 50px; text-decoration: none; font-size: 1.2rem; font-weight: 700; transition: var(--transition); box-shadow: 0 4px 16px rgba(37,211,102,0.4); }
.whatsapp-btn:hover { background: #1ebe57; transform: translateY(-3px); box-shadow: 0 8px 24px rgba(37,211,102,0.5); }
.whatsapp-btn svg { flex-shrink: 0; }
.contact-details { margin-top: 2rem; text-align: center; color: var(--text-light); }
.contact-details p { margin-bottom: 0.5rem; }

.contact-info p { margin-bottom: 0.5rem; }

.footer { background: #050a15; color: #888; text-align: center; padding: 1.5rem 0; font-size: 0.9rem; }

.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 768px) {
    .nav-list { position: fixed; top: 60px; right: -100%; width: 200px; height: calc(100vh - 60px); background: #fff; flex-direction: column; padding: 2rem; box-shadow: -2px 0 10px rgba(0,0,0,0.1); transition: var(--transition); }
    .nav-list.active { right: 0; }
    .menu-toggle { display: flex; }
    .hero h1 { font-size: 2rem; }
    .two-col { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .service-features { grid-template-columns: 1fr; }
    .industries-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
    .industry-card { min-height: 260px; }
    .why-grid { grid-template-columns: 1fr; }
}