:root {
    --primary: #0284c7;
    --primary-dark: #0369a1;
    --secondary: #0f172a;
    --accent: #f59e0b;
    --light: #f8fafc;
    --gray: #64748b;
    --border: #e2e8f0;
}
* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { color: var(--secondary); background-color: var(--light); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Top Bar */
.top-bar { background: var(--secondary); color: #fff; padding: 10px 0; font-size: 0.9rem; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.top-bar a { color: var(--accent); font-weight: bold; }

/* Header & Nav */
header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 1000; }
header .container { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.logo span { color: var(--secondary); }
nav ul { display: flex; list-style: none; gap: 20px; align-items: center; }
nav a { font-weight: 600; color: var(--secondary); transition: color 0.3s; }
nav a:hover, nav a.active { color: var(--primary); }
.nav-cta { background: var(--accent); color: var(--secondary); padding: 10px 20px; border-radius: 5px; font-weight: 700; transition: background 0.3s; }
.nav-cta:hover { background: #d97706; color: #fff; }

/* Hero */
.hero { background: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.85)), url('https://images.unsplash.com/photo-1542013936-69f9eed272ce?auto=format&fit=crop&w=1920&q=80') center/cover; color: #fff; padding: 90px 0; text-align: center; }
.hero h1 { font-size: 2.8rem; margin-bottom: 20px; font-weight: 800; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 1.2rem; max-width: 700px; margin: 0 auto 30px; color: #cbd5e1; }
.btn-cta { display: inline-block; background: var(--accent); color: var(--secondary); padding: 15px 30px; font-size: 1.2rem; font-weight: 800; border-radius: 6px; box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4); transition: transform 0.2s, background 0.2s; }
.btn-cta:hover { background: #d97706; color: #fff; transform: translateY(-2px); }

/* Sections */
section { padding: 60px 0; }
.bg-white { background: #fff; }
.section-title { text-align: center; margin-bottom: 40px; }
.section-title h2 { font-size: 2.2rem; color: var(--secondary); margin-bottom: 10px; }
.section-title p { color: var(--gray); font-size: 1.1rem; }

/* Grid Layouts */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 30px; box-shadow: 0 4px 6px rgba(0,0,0,0.02); transition: transform 0.3s, box-shadow 0.3s; }
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
.card h3 { margin-bottom: 15px; color: var(--primary-dark); font-size: 1.4rem; }
.card p { color: var(--gray); margin-bottom: 20px; }
.card-links { display: flex; flex-direction: column; gap: 8px; font-weight: 600; color: var(--primary); }
.card-links a:hover { text-decoration: underline; }

/* Inner Page Header */
.page-header { background: var(--secondary); color: #fff; padding: 50px 0; text-align: center; }
.page-header h1 { font-size: 2.5rem; margin-bottom: 10px; }
.page-header p { color: #94a3b8; }

/* Content Blocks */
.content-block { background: #fff; border-radius: 8px; padding: 40px; box-shadow: 0 2px 10px rgba(0,0,0,0.03); margin-bottom: 30px; }
.content-block h2 { font-size: 1.8rem; margin-bottom: 20px; color: var(--secondary); }
.content-block h3 { font-size: 1.4rem; margin: 20px 0 10px; color: var(--primary-dark); }
.content-block p { margin-bottom: 15px; color: var(--gray); font-size: 1.05rem; }
.content-block ul { margin-left: 20px; margin-bottom: 20px; color: var(--gray); }
.content-block li { margin-bottom: 8px; }

/* Footer */
footer { background: var(--secondary); color: #94a3b8; padding: 50px 0 20px; }
footer h3 { color: #fff; margin-bottom: 20px; font-size: 1.2rem; }
footer p, footer li { margin-bottom: 10px; font-size: 0.95rem; }
footer ul { list-style: none; }
footer a:hover { color: #fff; }
.footer-bottom { text-align: center; border-top: 1px solid #1e293b; margin-top: 40px; padding-top: 20px; font-size: 0.9rem; }

/* Responsive */
@media(max-width: 768px) {
    nav ul { display: none; }
    .hero h1 { font-size: 2.1rem; }
}