:root {
    --navy: #0f172a;
    --navy-dark: #090d16;
    --blue: #2563eb;
    --gold: #f59e0b;
    --gold-hover: #d97706;
    --bg-light: #f8fafc;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif; background-color: var(--bg-light); color: var(--text-dark); line-height: 1.6; }
.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.page-spacing { padding: 60px 0; }

/* Header & Navigation */
.site-header { background-color: var(--navy); padding: 18px 0; position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid rgba(255,255,255,0.08); }
.header-flex { display: flex; justify-content: space-between; align-items: center; }
.brand-logo { color: #fff; font-size: 24px; font-weight: 800; text-decoration: none; }
.brand-logo span { color: var(--gold); }
.nav-menu { display: flex; align-items: center; gap: 20px; }
.nav-menu a { color: #cbd5e1; text-decoration: none; font-size: 15px; font-weight: 500; transition: color 0.2s; }
.nav-menu a:hover { color: #fff; }
.btn-nav { background: var(--blue); color: #fff !important; padding: 8px 16px; border-radius: 6px; }

.header-actions { display: flex; align-items: center; gap: 12px; }
.search-toggle-btn, .mobile-toggle-btn { background: none; border: none; color: #fff; font-size: 18px; cursor: pointer; }
.mobile-toggle-btn { display: none; }

/* Search Bar Dropdown */
.header-search-bar { display: none; background: var(--navy-dark); padding: 14px 0; border-top: 1px solid rgba(255,255,255,0.06); }
.search-form { display: flex; gap: 10px; }
.search-form input { flex: 1; padding: 10px 14px; border-radius: 4px; border: 1px solid #475569; background: #1e293b; color: #fff; }
.search-form button { background: var(--gold); border: none; padding: 0 18px; border-radius: 4px; cursor: pointer; color: var(--navy); font-weight: bold; }

/* Section 1: Banner Section */
.banner-section { position: relative; background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat; color: #fff; padding: 120px 0 100px; text-align: center; }
.banner-overlay { position: absolute; top:0; left:0; right:0; bottom:0; background: rgba(15, 23, 42, 0.88); }
.banner-content { position: relative; z-index: 2; max-width: 850px; }
.badge { background: rgba(245, 158, 11, 0.2); color: var(--gold); padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 700; display: inline-block; margin-bottom: 20px; }
.banner-content h1 { font-size: 42px; font-weight: 800; line-height: 1.2; margin-bottom: 18px; }
.banner-content p { font-size: 18px; color: #94a3b8; margin-bottom: 30px; }
.banner-buttons { display: flex; gap: 15px; justify-content: center; }

/* Buttons */
.btn { display: inline-block; padding: 12px 24px; border-radius: 6px; font-weight: 700; text-decoration: none; cursor: pointer; border: none; transition: 0.2s; }
.btn-gold { background: var(--gold); color: var(--navy); }
.btn-gold:hover { background: var(--gold-hover); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-outline { background: transparent; border: 1px solid #cbd5e1; color: #fff; }
.btn-block { width: 100%; font-size: 16px; margin-top: 10px; }

/* Section 2: Hero Highlights */
.hero-highlights { margin-top: -40px; position: relative; z-index: 10; margin-bottom: 60px; }
.hero-col { background: #fff; padding: 30px; border-radius: 10px; box-shadow: 0 10px 20px rgba(0,0,0,0.06); text-align: center; border: 1px solid var(--border-color); }
.icon-wrap { font-size: 32px; color: var(--blue); margin-bottom: 15px; }
.hero-col h3 { font-size: 20px; margin-bottom: 10px; color: var(--navy); }
.hero-col p { font-size: 14px; color: var(--text-muted); }

/* Common Grids & Cards */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.section-title { text-align: center; margin-bottom: 40px; }
.section-title h2, .section-title h1 { font-size: 32px; color: var(--navy); }
.section-title p { color: var(--text-muted); font-size: 16px; margin-top: 6px; }
.text-light h2 { color: #fff !important; }
.text-light p { color: #94a3b8 !important; }

/* Section 3: About */
.home-about { background: #fff; padding: 80px 0; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.about-flex { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.about-text { flex: 1; }
.sub-label { color: var(--blue); font-weight: 700; font-size: 14px; text-transform: uppercase; margin-bottom: 8px; display: block; }
.about-text h2 { font-size: 32px; color: var(--navy); margin-bottom: 16px; }
.about-text p { color: var(--text-muted); margin-bottom: 20px; }
.about-stats-card { display: flex; gap: 20px; }
.stat-box { background: var(--bg-light); border: 1px solid var(--border-color); padding: 24px; border-radius: 8px; text-align: center; }
.stat-number { font-size: 32px; font-weight: 800; color: var(--blue); display: block; }
.stat-label { font-size: 13px; color: var(--text-muted); }

/* Section 4: Services */
.home-services { padding: 80px 0; }
.service-card, .portfolio-card, .blog-card { background: #fff; padding: 30px; border-radius: 10px; border: 1px solid var(--border-color); }
.service-icon { font-size: 32px; color: var(--blue); margin-bottom: 15px; }
.service-card h3, .portfolio-card h3, .blog-card h2 { font-size: 20px; color: var(--navy); margin-bottom: 10px; }
.service-card p, .portfolio-card p, .blog-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.card-link { color: var(--blue); font-weight: 700; text-decoration: none; font-size: 14px; }
.portfolio-badge { background: #e0e7ff; color: var(--blue); font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 12px; display: inline-block; margin-bottom: 10px; }
.blog-date { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }

/* Section 5: Customer Reviews Slider */
.reviews-section { background: var(--navy); padding: 80px 0; color: #fff; }
.reviews-slider-container { max-width: 750px; margin: 0 auto; text-align: center; min-height: 180px; position: relative; }
.review-slide { display: none; }
.review-slide.active { display: block; }
.stars { font-size: 20px; margin-bottom: 12px; }
.review-body { font-size: 18px; font-style: italic; color: #cbd5e1; margin-bottom: 15px; }
.client-info { font-size: 15px; color: var(--gold); }
.slider-controls { margin-top: 25px; display: flex; justify-content: center; gap: 15px; }
.slider-btn { background: #1e293b; color: #fff; border: 1px solid #475569; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; }
.slider-btn:hover { background: var(--blue); }

/* Section 6: Contact Us Form */
.home-contact { padding: 80px 0; }
.contact-box { background: #fff; border: 1px solid var(--border-color); border-radius: 12px; padding: 40px; max-width: 760px; margin: 0 auto; box-shadow: 0 4px 6px rgba(0,0,0,0.03); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.full-col { grid-column: span 2; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px; border: 1px solid #cbd5e1; border-radius: 6px; font-size: 14px; box-sizing: border-box; }
.hidden-field { display: none !important; }
.contact-alert { margin-top: 15px; padding: 12px; border-radius: 6px; display: none; text-align: center; }
.contact-alert.success { background: #dcfce7; color: #166534; }
.contact-alert.error { background: #fee2e2; color: #991b1b; }

/* Contact Page Layout */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-list { list-style: none; margin-top: 20px; }
.contact-list li { margin-bottom: 12px; font-size: 15px; }
.contact-list i { color: var(--blue); margin-right: 8px; }

/* Footer */
.site-footer { background: var(--navy); color: #94a3b8; padding: 60px 0 20px; border-top: 1px solid rgba(255,255,255,0.08); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-col h3 { color: #fff; font-size: 20px; margin-bottom: 10px; }
.footer-col h3 span { color: var(--gold); }
.footer-col h4 { color: #fff; margin-bottom: 14px; font-size: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col a { color: #94a3b8; text-decoration: none; font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { text-align: center; padding-top: 20px; font-size: 13px; }

/* Responsive adjustments */
@media (max-width: 820px) {
    .nav-menu { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--navy); padding: 20px; }
    .nav-menu.open { display: flex; }
    .mobile-toggle-btn { display: inline-block; }
    .banner-content h1 { font-size: 30px; }
    .about-flex, .contact-layout { flex-direction: column; grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .full-col { grid-column: span 1; }
    .footer-grid { grid-template-columns: 1fr; }
}