/* ============================================================
   SentenSearch — ortak stiller
   ------------------------------------------------------------
   Renkler uygulamadaki yapay zekâ paletinden geliyor:
   #F472B6 (pembe) → #A855F7 (mor) → #3B82F6 (mavi).
   Sayfa tek tema: koyu. Uygulamanın kendisi açık/koyu destekliyor
   ama açılış sayfasında tek, oturmuş bir görünüm tercih edildi.
   ============================================================ */

:root {
  --pink: #f472b6;
  --purple: #a855f7;
  --blue: #3b82f6;
  --grad: linear-gradient(120deg, var(--pink), var(--purple), var(--blue));

  --bg: #0b0a14;
  --bg-soft: #12101f;
  --card: rgba(255, 255, 255, 0.045);
  --card-line: rgba(255, 255, 255, 0.09);
  --text: #f4f2fb;
  --muted: rgba(244, 242, 251, 0.62);
  --faint: rgba(244, 242, 251, 0.38);

  --radius: 22px;
  --maxw: 1080px;
  --font: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Zemindeki yumuşak ışıma. Sabit konumlu, içerikle kaymıyor. */
.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60rem 40rem at 12% -10%, rgba(168, 85, 247, 0.22), transparent 60%),
    radial-gradient(50rem 36rem at 92% 4%, rgba(59, 130, 246, 0.18), transparent 62%),
    radial-gradient(44rem 34rem at 50% 108%, rgba(244, 114, 182, 0.14), transparent 60%),
    var(--bg);
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Başlık şeridi ---------- */

header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(11, 10, 20, 0.72);
  border-bottom: 1px solid var(--card-line);
}

.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand img { width: 32px; height: 32px; border-radius: 9px; }

.brand .accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.header-actions { display: flex; align-items: center; gap: 14px; }

nav.links { display: flex; gap: 22px; font-size: 14px; color: var(--muted); }

nav.links a:hover { color: var(--text); }

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--card-line);
  border-radius: 999px;
  overflow: hidden;
}

.lang-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--faint);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.lang-btn.active { color: #fff; background: rgba(168, 85, 247, 0.28); }

/* ---------- Butonlar ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.32);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--card-line);
  color: var(--text);
}

.btn svg { width: 17px; height: 17px; }

/* ---------- Rozet ---------- */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 13px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--grad);
  color: #fff;
}

.pill-soft {
  background: rgba(168, 85, 247, 0.14);
  border: 1px solid rgba(168, 85, 247, 0.32);
  color: #d8b4fe;
}

/* ---------- Kart ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--radius);
  padding: 26px;
}

/* ---------- Bölüm başlıkları ---------- */

section { padding: 84px 0; }

.section-head { max-width: 640px; margin: 0 auto 44px; text-align: center; }

.section-head h2 {
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.22;
  margin: 12px 0 10px;
  letter-spacing: -0.02em;
}

.section-head p { color: var(--muted); margin: 0; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Alt bilgi ---------- */

footer {
  border-top: 1px solid var(--card-line);
  padding: 42px 0 54px;
  color: var(--faint);
  font-size: 14px;
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}

.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }

.footer-links a:hover { color: var(--text); }

/* ---------- Yasal sayfa ---------- */

.chips { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  appearance: none;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-line);
  border-radius: 999px;
  padding: 8px 15px;
  cursor: pointer;
  transition: 0.2s;
}

.chip:hover { color: var(--text); }

.chip.active {
  color: #fff;
  background: rgba(168, 85, 247, 0.26);
  border-color: rgba(168, 85, 247, 0.5);
}

main.legal { max-width: 820px; margin: 0 auto; padding: 40px 20px 80px; }

.legal-note {
  font-size: 13px;
  color: var(--faint);
  text-align: center;
  margin: 0 0 26px;
}

.doc { display: none; }
.doc.active { display: block; animation: fade 0.35s ease; }

@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.doc-title {
  font-size: clamp(27px, 5vw, 36px);
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}

.meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }

.badge {
  font-size: 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-line);
  border-radius: 999px;
  padding: 5px 12px;
}

.doc h2 {
  font-size: 19px;
  margin: 34px 0 10px;
  letter-spacing: -0.01em;
}

.doc h3 { font-size: 15px; margin: 22px 0 6px; color: #e9d5ff; }

.doc p, .doc li { color: var(--muted); }

.doc ul { padding-left: 20px; }

.doc li { margin-bottom: 7px; }

.doc strong { color: var(--text); font-weight: 600; }

.doc a { color: #c4b5fd; text-decoration: underline; text-underline-offset: 3px; }

.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

.doc th, .doc td {
  text-align: left;
  padding: 11px 12px;
  border-bottom: 1px solid var(--card-line);
  vertical-align: top;
}

.doc th { color: var(--text); font-weight: 600; }

.doc td { color: var(--muted); }

@media (max-width: 720px) {
  nav.links { display: none; }
  section { padding: 62px 0; }
  .doc table, .doc thead, .doc tbody, .doc th, .doc td, .doc tr { display: block; }
  .doc thead { display: none; }
  .doc tr { border-bottom: 1px solid var(--card-line); padding: 8px 0; }
  .doc td { border: 0; padding: 3px 0; }
  .doc td::before { content: attr(data-label) ": "; color: var(--text); font-weight: 600; }
}