/* BonusKanalları — tek dosya stil (mobil öncelikli) */

:root {
  --navy: #0f1e33;
  --navy-2: #16294a;
  --accent: #229ed9;
  --accent-dark: #1b87ba;
  --bg: #f4f7fa;
  --surface: #ffffff;
  --text: #17222f;
  --muted: #6b7684;
  --border: #e5e9f0;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(15, 30, 51, .06), 0 4px 14px rgba(15, 30, 51, .05);
  --shadow-hover: 0 4px 10px rgba(15, 30, 51, .10), 0 12px 28px rgba(15, 30, 51, .10);
  --maxw: 1200px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .18);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 62px;
  flex-wrap: wrap;
  padding-top: 10px;
  padding-bottom: 10px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 20px;
  letter-spacing: .2px;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 19px;
}
.brand-text { font-weight: 500; }
.brand-text strong { font-weight: 800; }

.search-wrap { flex: 1 1 240px; display: flex; justify-content: flex-end; }
.search-input {
  width: 100%;
  max-width: 380px;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  font-size: 15px;
  outline: none;
  transition: background .15s, box-shadow .15s;
}
.search-input::placeholder { color: rgba(255, 255, 255, .7); }
.search-input:focus {
  background: #fff;
  color: var(--text);
  box-shadow: 0 0 0 3px rgba(34, 158, 217, .4);
}

/* ---------- Showcase / liste kanalı vitrini ---------- */
.showcase {
  background: linear-gradient(135deg, #1b87ba 0%, #229ed9 55%, #34b3e8 100%);
  color: #fff;
}
.showcase-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 20px;
  padding-bottom: 20px;
}
.showcase-text { flex: 1 1 320px; }
.showcase-title {
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.25;
}
.showcase-desc {
  margin: 0;
  font-size: 14.5px;
  color: rgba(255, 255, 255, .95);
  max-width: 720px;
}
.showcase-btn {
  flex: 0 0 auto;
  display: inline-block;
  background: #fff;
  color: var(--navy);
  font-weight: 800;
  font-size: 16px;
  padding: 13px 22px;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .18);
  white-space: nowrap;
}
.showcase-btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: 0 8px 22px rgba(0, 0, 0, .24); }

/* ---------- Alfabe navigasyonu ---------- */
.alpha-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding-top: 16px;
  padding-bottom: 4px;
}
.alpha-item {
  display: inline-grid;
  place-items: center;
  min-width: 36px;
  height: 36px;
  padding: 0 8px;
  border-radius: 9px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--navy-2);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
}
.alpha-item:hover { background: var(--accent); color: #fff; border-color: var(--accent); text-decoration: none; }
.alpha-item.is-disabled {
  opacity: .38;
  background: transparent;
  border-style: dashed;
  color: var(--muted);
  cursor: not-allowed;
}

/* ---------- Ana içerik ---------- */
.main { padding-top: 22px; padding-bottom: 40px; }

.page-h1 {
  font-size: 24px;
  line-height: 1.25;
  margin: 0 0 12px;
  color: var(--navy);
}
.intro { margin-bottom: 26px; }
.intro-text { color: #3a4657; font-size: 15.5px; }
.intro-text p { margin: 0 0 12px; }
.intro-text strong { color: var(--navy-2); }

.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.crumbs a { color: var(--accent-dark); }

/* ---------- Harf blokları + grid ---------- */
.letter-block { margin: 0 0 30px; scroll-margin-top: 78px; }
.letter-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}
.letter-badge {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  text-transform: uppercase;
}
.letter-count { font-size: 13px; color: var(--muted); font-weight: 500; }

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

/* ---------- Kanal kartı ---------- */
.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  padding: 16px 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: box-shadow .15s, transform .15s, border-color .15s;
}
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); border-color: #d3dbe6; }
.card-logo {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
}
.card-logo img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  border-radius: 50%;
  background: #f0f3f7;
  border: 1px solid var(--border);
}
.card-ph {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  font-size: 30px;
  font-weight: 800;
  text-transform: uppercase;
}
.card-name {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  word-break: break-word;
}
.card-btn {
  margin-top: auto;
  display: inline-block;
  width: 100%;
  padding: 9px 12px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  transition: background .15s;
}
.card-btn:hover { background: var(--accent-dark); text-decoration: none; }

.result-empty {
  padding: 18px;
  text-align: center;
  color: var(--muted);
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

/* ---------- İçerik sayfaları (footer) ---------- */
.content-page { max-width: 820px; }
.content-page p { color: #35414f; margin: 0 0 14px; }
.content-h2 { font-size: 18px; color: var(--navy); margin: 22px 0 8px; }

/* ---------- 404 ---------- */
.notfound { text-align: center; padding: 40px 0 60px; }
.notfound-code { font-size: 64px; font-weight: 800; color: var(--accent); margin: 0; line-height: 1; }
.notfound-text { color: var(--muted); max-width: 460px; margin: 8px auto 22px; }
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 10px;
}
.btn-primary:hover { background: var(--accent-dark); text-decoration: none; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: #cdd6e2;
  padding: 26px 0 32px;
  margin-top: 24px;
  text-align: center;
  font-size: 14px;
}
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 12px; }
.footer-links a { color: #fff; font-weight: 600; }
.footer-links span { color: #4d5f7a; }
.footer-contact { margin: 0 0 12px; }
.footer-contact a { color: var(--accent); }
.footer-warning {
  margin: 0 auto 12px;
  max-width: 760px;
  font-size: 12.5px;
  color: #9fb0c6;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 8px;
  padding: 10px 14px;
}
.footer-copy { margin: 0; font-size: 13px; color: #8496ad; }

/* ---------- Duyarlı sütunlar ---------- */
@media (min-width: 520px) {
  .grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
}
@media (min-width: 768px) {
  .grid { grid-template-columns: repeat(4, 1fr); }
  .page-h1 { font-size: 28px; }
  .showcase-title { font-size: 23px; }
}
@media (min-width: 992px) {
  .grid { grid-template-columns: repeat(5, 1fr); }
}
@media (min-width: 1200px) {
  .grid { grid-template-columns: repeat(6, 1fr); gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}