:root{--c-bg:rgb(255,255,255);--c-text:#1f2937;--c-muted:#6b7280;--c-border:#e5e7eb;--c-primary:#0f172a;--c-hover:#334155;--c-gray-bg:#f8fafc;}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:system-ui,-apple-system,sans-serif;background:var(--c-bg);color:var(--c-text);line-height:1.6;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
img{max-width:100%;height:auto;display:block;}
.container{width:92%;max-width:1200px;margin:0 auto;}

.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-border);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo{display:inline-flex;align-items:center;gap:12px;text-decoration:none;}
.logo img{display:block;height:40px;width:auto;max-width:160px;object-fit:contain;flex-shrink:0;}
.logo span{display:inline-block;font-size:20px;font-weight:800;line-height:1;color:#111;white-space:nowrap;}
.desktop-nav{display:none;}
.desktop-nav a{font-weight:500;padding:8px 16px;border-radius:6px;transition:0.3s;}
.desktop-nav a:hover{background:var(--c-gray-bg);color:var(--c-primary);}
.header-actions{display:flex;align-items:center;gap:16px;}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;border-radius:8px;font-weight:600;transition:0.3s;cursor:pointer;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-hover);transform:translateY(-2px);box-shadow:0 4px 12px rgba(15,23,42,0.15);}
.btn-outline{border:2px solid var(--c-border);background:transparent;}
.btn-outline:hover{border-color:var(--c-primary);}
.menu-toggle{background:none;border:none;cursor:pointer;display:flex;color:var(--c-text);}
@media (min-width:992px){
  .desktop-nav{display:flex;align-items:center;gap:8px;}
  .menu-toggle{display:none;}
}

.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.5);opacity:0;visibility:hidden;transition:0.3s;z-index:999;}
.drawer-overlay.active{opacity:1;visibility:visible;}
.mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:280px;background:#fff;z-index:1000;transform:translateX(-100%);transition:transform 0.4s cubic-bezier(0.4,0,0.2,1);display:flex;flex-direction:column;}
.mobile-drawer.active{transform:translateX(0);}
.drawer-header{padding:20px;border-bottom:1px solid var(--c-border);display:flex;align-items:center;justify-content:space-between;}
.drawer-close{background:none;border:none;cursor:pointer;color:var(--c-muted);}
.drawer-body{padding:20px;overflow-y:auto;flex:1;}
.mobile-nav{display:flex;flex-direction:column;gap:12px;}
.mobile-nav a{display:block;padding:12px;font-size:16px;font-weight:500;border-radius:8px;background:var(--c-gray-bg);}
.mobile-nav-btn{margin-top:20px;text-align:center;background:var(--c-primary)!important;color:#fff!important;}

.hero{padding:80px 0;background:linear-gradient(135deg, #fff 0%, #f1f5f9 100%);overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media (min-width:992px){.hero-grid{grid-template-columns:1fr 1fr;gap:60px;}}
.hero-content h1{font-size:clamp(32px, 5vw, 48px);font-weight:800;line-height:1.2;margin-bottom:24px;}
.hero-content p{font-size:18px;color:var(--c-muted);margin-bottom:32px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
.hero-visual{position:relative;border-radius:24px;overflow:hidden;box-shadow:0 24px 48px rgba(0,0,0,0.1);}
.hero-visual img{width:100%;object-fit:cover;aspect-ratio:4/3;}

.section{padding:80px 0;}
.section-title{text-align:center;margin-bottom:48px;}
.section-title h2{font-size:32px;font-weight:700;margin-bottom:16px;}
.section-title p{color:var(--c-muted);font-size:16px;max-width:600px;margin:0 auto;}
.grid-3{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.grid-3{grid-template-columns:repeat(3, 1fr);}}
.feature-card{padding:32px;background:var(--c-gray-bg);border-radius:16px;transition:0.3s;border:1px solid transparent;}
.feature-card:hover{background:#fff;border-color:var(--c-border);box-shadow:0 12px 24px rgba(0,0,0,0.05);transform:translateY(-4px);}
.f-icon{width:48px;height:48px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;border-radius:12px;font-size:24px;font-weight:bold;margin-bottom:24px;}
.feature-card h3{font-size:20px;margin-bottom:12px;}
.feature-card p{color:var(--c-muted);font-size:15px;}

.bg-gray{background:var(--c-gray-bg);}
.post-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.post-grid{grid-template-columns:repeat(2, 1fr);}}
@media (min-width:1024px){.post-grid{grid-template-columns:repeat(3, 1fr);}}
.post-card{background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--c-border);display:flex;flex-direction:column;transition:0.3s;}
.post-card:hover{box-shadow:0 12px 24px rgba(0,0,0,0.08);transform:translateY(-4px);}
.post-img{display:block;aspect-ratio:16/9;overflow:hidden;}
.post-img img{width:100%;height:100%;object-fit:cover;transition:0.5s;}
.post-card:hover .post-img img{transform:scale(1.05);}
.post-info{padding:24px;flex:1;display:flex;flex-direction:column;}
.post-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--c-muted);margin-bottom:12px;}
.post-title{font-size:18px;font-weight:700;margin-bottom:12px;line-height:1.4;}
.post-title a{transition:color 0.3s;}
.post-title a:hover{color:#3b82f6;}
.post-desc{font-size:14px;color:var(--c-muted);margin-bottom:20px;flex:1;}
.post-footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--c-gray-bg);padding-top:16px;font-size:13px;}
.post-tags{color:var(--c-primary);font-weight:600;}
.read-more{color:var(--c-text);font-weight:600;display:inline-flex;align-items:center;gap:4px;}
.read-more:hover{color:#3b82f6;}

.cta-section{padding:100px 0;background:var(--c-primary);color:#fff;text-align:center;}
.cta-section h2{font-size:36px;margin-bottom:24px;}
.cta-section p{font-size:18px;opacity:0.9;max-width:600px;margin:0 auto 40px;}
.cta-section .btn-primary{background:#fff;color:var(--c-primary);}
.cta-section .btn-primary:hover{background:#f8fafc;}

.site-footer{background:#fff;border-top:1px solid var(--c-border);padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:48px;margin-bottom:60px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 2fr;}}
.footer-brand p{color:var(--c-muted);margin-top:20px;font-size:14px;}
.footer-navs{display:grid;grid-template-columns:repeat(2, 1fr);gap:32px;}
@media (min-width:768px){.footer-navs{grid-template-columns:repeat(3, 1fr);}}
.footer-col h4{font-size:16px;font-weight:700;margin-bottom:20px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col li{color:var(--c-muted);font-size:14px;transition:0.3s;}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{border-top:1px solid var(--c-gray-bg);padding:24px 0;text-align:center;color:var(--c-muted);font-size:14px;}