/* ============================================================
   Codexia — Shared Landing Styles
   Tüm app'ler bu dosyayı paylaşır. Tek farklılaşma noktası:
   her sayfanın <head>'inde --accent değişkeni override edilir.
   Sıfır JS, dark-mode otomatik, mobil-öncelikli.
   ============================================================ */

:root {
  --accent: #4A9EFF;          /* her app kendi <head>'inde override eder */
  --bg: #ffffff;
  --bg-soft: #f5f6f8;
  --card: #ffffff;
  --text: #1a1a1a;
  --text-soft: #5c6066;
  --border: #e5e7eb;
  --radius: 16px;
  --maxw: 720px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0d0f;
    --bg-soft: #161618;
    --card: #1a1a1d;
    --text: #f2f2f3;
    --text-soft: #9b9ba1;
    --border: rgba(255, 255, 255, 0.10);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.site-header {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.site-header .logo {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 18px;
  flex-shrink: 0;
  overflow: hidden;
}
/* Metin placeholder kullanan app'ler icin accent arka plan; img varsa gizlenir */
.site-header .logo:not(:has(img)) { background: var(--accent); }
.site-header .logo img { width: 100%; height: 100%; border-radius: 10px; object-fit: cover; display: block; }
.site-header .brand { font-weight: 600; font-size: 18px; }
.site-header nav { margin-left: auto; display: flex; gap: 18px; }
.site-header nav a { color: var(--text-soft); text-decoration: none; font-size: 15px; }
.site-header nav a:hover { color: var(--accent); }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 56px; text-align: center; }
.hero h1 { font-size: 40px; line-height: 1.15; letter-spacing: -0.02em; }
.hero p.tagline { color: var(--text-soft); font-size: 19px; margin-top: 16px; }
.hero .cta {
  display: inline-block;
  margin-top: 32px;
  background: var(--accent);
  color: #fff;
  padding: 14px 28px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
}
.hero .cta:hover { opacity: 0.9; }

/* ---------- Generic section ---------- */
.section { padding: 48px 0; }
.section h2 { font-size: 26px; letter-spacing: -0.01em; margin-bottom: 24px; }

/* ---------- Feature grid ---------- */
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.feature h3 { font-size: 17px; margin-bottom: 8px; }
.feature p { color: var(--text-soft); font-size: 15px; }

/* ---------- FAQ (pure CSS accordion via <details>) ---------- */
.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0;
  margin-bottom: 12px;
  background: var(--card);
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 600;
  font-size: 16px;
  list-style: none;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 20px; top: 16px;
  font-size: 22px; font-weight: 400;
  color: var(--accent);
}
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 20px 18px; color: var(--text-soft); font-size: 15px; }

/* ---------- Contact / Support block ---------- */
.contact {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  margin-top: 8px;
}
.contact a.email {
  display: inline-block;
  margin-top: 8px;
  color: var(--accent);
  font-weight: 600;
  font-size: 18px;
  text-decoration: none;
}

/* ---------- Legal pages (privacy / terms) ---------- */
.legal { padding: 48px 0 80px; }
.legal h1 { font-size: 30px; margin-bottom: 8px; }
.legal .updated { color: var(--text-soft); font-size: 14px; margin-bottom: 32px; }
.legal h2 { font-size: 20px; margin: 32px 0 12px; }
.legal p, .legal li { color: var(--text-soft); font-size: 16px; margin-bottom: 12px; }
.legal ul { padding-left: 22px; }
.legal .placeholder {
  background: var(--bg-soft);
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 20px;
  color: var(--text-soft);
  font-style: italic;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
  color: var(--text-soft);
  font-size: 14px;
}
.site-footer a { color: var(--text-soft); text-decoration: none; margin: 0 10px; }
.site-footer a:hover { color: var(--accent); }
.site-footer .copy { margin-top: 12px; opacity: 0.8; }

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .hero { padding: 48px 0 36px; }
  .hero h1 { font-size: 30px; }
  .hero p.tagline { font-size: 17px; }
  .features { grid-template-columns: 1fr; }
  .site-header nav { gap: 12px; }
}
