* {margin: 0; padding: 0; box-sizing: border-box;}
:root {
    --primary: #4F46E5;
    --primary-dark: #3730a3;
    --secondary: #10B981;
    --accent: #F59E0B;
    --bg-light: #F8FAFC;
    --bg-card: #FFFFFF;
    --text-dark: #1E293B;
    --text-muted: #64748B;
    --border: #E2E8F0;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
}
body {font-family: 'Inter', -apple-system, sans-serif; background: var(--bg-light); color: var(--text-dark);}
a {color: var(--primary); text-decoration: none;}
a:hover {text-decoration: underline;}
.container {max-width: 1280px; margin: 0 auto; padding: 0 24px;}

header {background: linear-gradient(135deg, #1E293B 0%, #334155 100%); position: sticky; top: 0; z-index: 100; height: 70px; display: flex; align-items: center;}
header .container {display: flex; justify-content: space-between; align-items: center; width: 100%;}
.logo {font-size: 1.5rem; font-weight: 800; color: #fff;}
.logo span {color: var(--accent);}
nav ul {display: flex; list-style: none; gap: 4px;}
nav a {color: rgba(255,255,255,0.85); padding: 8px 16px; border-radius: 8px; font-weight: 500; transition: all 0.2s;}
nav a:hover {color: #fff; background: rgba(255,255,255,0.1); text-decoration: none;}
nav a.active {color: #fff; background: var(--primary);}

.hero {background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; padding: 100px 0; text-align: center; position: relative; overflow: hidden;}
.hero::before {content: ""; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);}
.hero h1 {font-size: 3.5rem; font-weight: 800; margin-bottom: 20px; position: relative;}
.hero p {font-size: 1.3rem; opacity: 0.9; max-width: 700px; margin: 0 auto 40px; position: relative;}
.stats-bar {display: flex; justify-content: center; gap: 60px; position: relative;}
.stat-box {text-align: center;}
.stat-box .number {font-size: 3rem; font-weight: 800; color: var(--accent);}
.stat-box .label {font-size: 1rem; opacity: 0.8;}

.quick-links {background: #fff; padding: 40px 0;}
.quick-links .container {display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;}
.quick-card {background: var(--bg-light); border-radius: 16px; padding: 32px; text-align: center; transition: all 0.3s; border: 1px solid var(--border);}
.quick-card:hover {transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary);}
.quick-card .icon {font-size: 3rem; margin-bottom: 16px;}
.quick-card h3 {font-size: 1.2rem; color: var(--text-dark); margin-bottom: 8px;}
.quick-card p {font-size: 0.9rem; color: var(--text-muted);}

.featured {padding: 60px 0;}
.section-title {font-size: 2rem; font-weight: 800; margin-bottom: 32px; color: var(--text-dark);}
.section-title span {color: var(--primary);}

.card-grid {display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px;}
.featured-card {background: var(--bg-card); border-radius: 16px; padding: 24px; box-shadow: var(--shadow); transition: all 0.3s; border: 1px solid var(--border);}
.featured-card:hover {transform: translateY(-4px); box-shadow: var(--shadow-lg);}
.featured-card h4 {font-size: 1.1rem; font-weight: 700; margin-bottom: 8px;}
.featured-card h4 a {color: var(--text-dark);}
.featured-card h4 a:hover {color: var(--primary); text-decoration: none;}
.featured-card .meta {color: var(--text-muted); font-size: 0.9rem; margin-bottom: 12px;}
.featured-card .desc {color: var(--text-muted); font-size: 0.95rem; line-height: 1.6;}

.blog-preview {background: #fff; padding: 60px 0;}
.blog-grid {display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;}
.blog-card {border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); transition: transform 0.3s;}
.blog-card:hover {transform: translateY(-4px);}
.blog-card .card-img {height: 160px; background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); display: flex; align-items: center; justify-content: center; font-size: 3rem;}
.blog-card .card-body {padding: 24px; background: var(--bg-card);}
.blog-card h3 {font-size: 1.2rem; margin-bottom: 12px;}
.blog-card h3 a {color: var(--text-dark);}
.blog-card h3 a:hover {color: var(--primary); text-decoration: none;}
.blog-card p {color: var(--text-muted); font-size: 0.95rem; line-height: 1.6;}

footer {background: var(--text-dark); color: #fff; padding: 60px 0 24px; margin-top: 80px;}
footer .container {display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px;}
footer h4 {margin-bottom: 20px; color: #fff;}
footer ul {list-style: none;}
footer li {margin-bottom: 12px;}
footer a {color: rgba(255,255,255,0.7);}
footer a:hover {color: #fff; text-decoration: none;}
footer .bottom {margin-top: 40px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); text-align: center; color: rgba(255,255,255,0.5); font-size: 0.9rem;}

@media (max-width: 768px) {
    header .container {flex-direction: column; gap: 12px; height: auto; padding: 12px;}
    nav ul {gap: 2px;}
    nav a {padding: 6px 10px; font-size: 0.9rem;}
    .hero h1 {font-size: 2.2rem;}
    .stats-bar {flex-wrap: wrap; gap: 24px;}
    .stat-box .number {font-size: 2rem;}
    .quick-links .container {grid-template-columns: repeat(2, 1fr);}
    .blog-grid {grid-template-columns: 1fr;}
    footer .container {grid-template-columns: repeat(2, 1fr);}
}