/* RGP Bilgi Merkezi — ortak stil (index.html / landing.html ile aynı renk değişkenleri) */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg-primary: #0f0f13;
  --bg-secondary: #1a1a24;
  --bg-card: #1e1e2e;
  --bg-card-hover: #252535;
  --accent-purple: #6366f1;
  --accent-green: #22c55e;
  --accent-red: #ef4444;
  --accent-orange: #f97316;
  --accent-yellow: #eab308;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #2d2d3d;
}
html { scroll-behavior: smooth; }
body { background: var(--bg-primary); color: var(--text-primary); font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif; -webkit-font-smoothing: antialiased; line-height: 1.6; }
a { color: #a5b4fc; }

/* Üst menü */
.learn-topnav { position: sticky; top: 0; z-index: 10; background: rgba(15,15,19,0.88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.learn-topnav .in { max-width: 960px; margin: 0 auto; padding: 0 16px; height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.learn-brand { display: flex; align-items: center; gap: 0.5rem; color: var(--text-primary); text-decoration: none; font-weight: 700; white-space: nowrap; }
.learn-brand img { width: 30px; height: 30px; border-radius: 8px; }
.learn-brand .lb-word { font-weight: 700; }
.learn-brand b { color: #a5b4fc; font-weight: 700; }
.learn-brand span { color: var(--text-secondary); font-weight: 500; margin-left: 0.15rem; }
.back-to-app { display: inline-flex; align-items: center; gap: 6px; background: var(--accent-purple); color: #fff; padding: 9px 16px; border-radius: 8px; text-decoration: none; font-size: 14px; font-weight: 600; white-space: nowrap; }
.back-to-app:hover { background: #5458e6; }

/* Ana sayfa */
.learn-home { max-width: 960px; margin: 0 auto; padding: 44px 16px 72px; }
.learn-hero h1 { font-size: clamp(1.9rem, 6vw, 2.6rem); letter-spacing: -1px; line-height: 1.1; }
.learn-hero p { color: var(--text-secondary); font-size: 1.05rem; margin-top: 0.6rem; }
.learn-search { margin: 26px 0 8px; position: relative; }
.learn-search input { width: 100%; background: var(--bg-card); border: 1px solid var(--border); color: var(--text-primary); padding: 0.85rem 1rem 0.85rem 2.6rem; border-radius: 12px; font: inherit; font-size: 1rem; outline: none; }
.learn-search input:focus { border-color: var(--accent-purple); }
.learn-search::before { content: "🔍"; position: absolute; left: 0.9rem; top: 50%; transform: translateY(-50%); font-size: 0.95rem; opacity: 0.7; }
.learn-empty { color: var(--text-secondary); padding: 24px 0; display: none; }
.learn-section { margin-top: 34px; }
.learn-section h2 { font-size: 1.15rem; margin-bottom: 12px; letter-spacing: -0.2px; }
.learn-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.learn-card { display: grid; grid-template-columns: 40px 1fr; gap: 12px; align-items: start; padding: 14px 16px; border-radius: 12px; background: var(--bg-card); border: 1px solid var(--border); text-decoration: none; color: inherit; transition: border-color 0.2s, transform 0.2s; }
a.learn-card:hover { border-color: rgba(99,102,241,0.55); transform: translateY(-1px); }
.learn-card-icon { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; font-size: 1.2rem; background: rgba(99,102,241,0.12); border: 1px solid rgba(99,102,241,0.25); }
.learn-card-content h3 { font-size: 0.98rem; letter-spacing: -0.1px; }
.learn-card-content p { color: var(--text-secondary); font-size: 0.86rem; margin-top: 0.2rem; }
.learn-card-time { display: inline-block; margin-top: 0.45rem; font-size: 0.74rem; color: var(--text-muted); font-weight: 600; }
.learn-card.soon { opacity: 0.55; }
.learn-card.soon .learn-card-time { color: var(--accent-yellow); }
@media (min-width: 720px) { .learn-grid { grid-template-columns: 1fr 1fr; } }

/* Makale */
.learn-article { max-width: 720px; margin: 0 auto; padding: 40px 16px 80px; }
.learn-breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.learn-breadcrumb a { color: var(--accent-purple); text-decoration: none; }
.learn-header { margin-bottom: 28px; }
.learn-header h1 { font-size: clamp(1.6rem, 5vw, 2rem); font-weight: 800; letter-spacing: -0.6px; line-height: 1.2; color: var(--text-primary); margin-bottom: 8px; }
.learn-header .learn-meta { font-size: 13px; color: var(--text-muted); }
.learn-lead { font-size: 1.05rem; color: var(--text-secondary); }
.learn-content h2 { font-size: 1.15rem; font-weight: 700; color: var(--text-primary); margin: 34px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); scroll-margin-top: 76px; }
.learn-content h3 { font-size: 1rem; margin: 20px 0 8px; color: var(--text-primary); }
.learn-content p, .learn-content li { color: var(--text-secondary); line-height: 1.75; }
.learn-content p { margin-bottom: 12px; }
.learn-content ul, .learn-content ol { padding-left: 1.3rem; margin-bottom: 12px; display: flex; flex-direction: column; gap: 4px; }
.learn-content strong { color: var(--text-primary); }
.learn-content code { background: var(--bg-card-hover); border-radius: 5px; padding: 0.1rem 0.35rem; font-size: 0.9em; color: #c7d2fe; }
.learn-table { width: 100%; border-collapse: collapse; margin: 8px 0 16px; font-size: 0.9rem; }
.learn-table th, .learn-table td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); color: var(--text-secondary); vertical-align: top; }
.learn-table th { color: var(--text-primary); font-weight: 600; background: var(--bg-secondary); }
.learn-table td.num, .learn-table th.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.table-wrap { overflow-x: auto; }
.info-box { background: var(--bg-card); border: 1px solid var(--border); border-left: 3px solid var(--accent-purple); border-radius: 8px; padding: 14px 16px; margin: 16px 0; font-size: 14px; color: var(--text-secondary); line-height: 1.65; }
.info-box.green { border-left-color: var(--accent-green); }
.info-box.red { border-left-color: var(--accent-red); }
.info-box.yellow { border-left-color: var(--accent-yellow); }
.info-box strong { color: var(--text-primary); }
.shot-placeholder { margin: 16px 0; aspect-ratio: 16 / 9; border-radius: 12px; border: 1px dashed var(--border); display: grid; place-items: center; color: var(--text-muted); font-size: 0.85rem; background: var(--bg-secondary); }
.learn-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); }
.learn-nav a { color: var(--accent-purple); text-decoration: none; font-size: 14px; max-width: 48%; }
.learn-nav a.next { text-align: right; margin-left: auto; }
.learn-nav small { display: block; color: var(--text-muted); font-size: 12px; }
.learn-disclaimer { margin-top: 28px; font-size: 12px; color: var(--text-muted); }
.learn-footer { border-top: 1px solid var(--border); padding: 22px 16px; color: var(--text-muted); font-size: 0.8rem; text-align: center; }
.learn-footer a { color: var(--text-secondary); text-decoration: none; }
@media (max-width: 420px) { .back-to-app { padding: 8px 12px; font-size: 13px; } .learn-brand span { display: none; } }