/* I am Coach — site stili (1.1). Açık/koyu tema sistem ayarını izler. */
:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --surface-2: #fbfbfd;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(0, 0, 0, 0.08);
  --accent: #007aff;
  --accent-2: #34c759;
  --orange: #ff9500;
  --pink: #ff2d55;
  --tv: #0b0d1a;
  --radius: 22px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.10);
  --max: 1160px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --surface: #161618;
    --surface-2: #1c1c1e;
    --text: #f5f5f7;
    --muted: #a1a1a6;
    --line: rgba(255, 255, 255, 0.12);
    --accent: #0a84ff;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.6);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Dil: html[lang] hangi metnin görüneceğini belirler. */
html[lang="tr"] .en, html[lang="en"] .tr { display: none !important; }

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

/* Üst çubuk */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 17px; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: 14px; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 2px; }
.lang button {
  border: 0; background: transparent; color: var(--muted); font: inherit; font-size: 13px; font-weight: 600;
  padding: 4px 10px; border-radius: 999px; cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--text); color: var(--bg); }
@media (max-width: 760px) { .nav-links .hide-sm { display: none; } }

/* Düğmeler */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px; border-radius: 999px; font-weight: 600; font-size: 16px;
  background: var(--accent); color: #fff; border: 0;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.secondary { background: var(--surface); color: var(--text); border: 1px solid var(--line); }
.btn svg { width: 20px; height: 20px; fill: currentColor; }

/* Bölümler */
section { padding: 96px 0; }
.eyebrow { font-size: 14px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); margin: 0 0 12px; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(40px, 6.4vw, 76px); font-weight: 800; }
h2 { font-size: clamp(32px, 4.4vw, 52px); font-weight: 800; }
h3 { font-size: 22px; font-weight: 700; }
.lead { font-size: clamp(18px, 2vw, 22px); color: var(--muted); max-width: 720px; margin: 20px 0 0; }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }
.grad { background: linear-gradient(90deg, var(--accent), #5e5ce6 45%, var(--pink)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Hero */
.hero { padding: 72px 0 40px; overflow: hidden; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero .badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.chip { font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); color: var(--muted); }
.hero-visual { margin-top: 56px; position: relative; }
.duo-frame {
  background: #111; border-radius: 34px; padding: 14px; box-shadow: var(--shadow);
  max-width: 1040px; margin: 0 auto; position: relative;
}
.duo-frame img { border-radius: 22px; width: 100%; }
.duo-frame::after {
  /* katlanma çizgisi */
  content: ""; position: absolute; top: 14px; bottom: 14px; left: 50%; width: 2px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,.14), transparent);
}
.hero-phone {
  position: absolute; right: max(2%, calc(50% - 600px)); bottom: -30px; width: 22%; max-width: 230px;
  background: #111; border-radius: 34px; padding: 8px; box-shadow: var(--shadow);
}
.hero-phone img { border-radius: 27px; }
@media (max-width: 760px) { .hero-phone { display: none; } }

/* Kartlı ızgara */
.grid { display: grid; gap: 20px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 960px) { .grid.cols-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; } }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; overflow: hidden;
}
.card p { color: var(--muted); margin: 10px 0 0; }
.icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 18px;
  color: #fff; font-size: 22px;
}
.card .shot { margin: 24px auto -28px; width: 78%; border-radius: 26px 26px 0 0; box-shadow: var(--shadow); }

/* Özellik satırı: metin + telefon */
.feature { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; padding: 40px 0; }
.feature.reverse .text { order: 2; }
.feature ul { padding-left: 0; list-style: none; margin: 22px 0 0; }
.feature li { padding: 8px 0 8px 30px; position: relative; color: var(--muted); }
.feature li::before { content: ""; position: absolute; left: 0; top: 15px; width: 16px; height: 9px; border-left: 3px solid var(--accent-2); border-bottom: 3px solid var(--accent-2); transform: rotate(-45deg); }
.feature li strong { color: var(--text); font-weight: 600; }
.phones { display: flex; justify-content: center; gap: 18px; }
.phone { background: #111; border-radius: 40px; padding: 9px; box-shadow: var(--shadow); width: 46%; max-width: 280px; }
.phone img { border-radius: 32px; }
.phones .phone:nth-child(2) { transform: translateY(40px); }
@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; gap: 32px; }
  .feature.reverse .text { order: 0; }
}

/* Duo bölümü */
.duo { background: var(--surface); }
.duo-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 36px 0 28px; }
.duo-tabs button {
  border: 1px solid var(--line); background: var(--bg); color: var(--text); font: inherit; font-weight: 600; font-size: 14px;
  padding: 9px 16px; border-radius: 999px; cursor: pointer;
}
.duo-tabs button[aria-selected="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.duo-stage { display: grid; grid-template-columns: 1fr 260px; gap: 28px; align-items: center; max-width: 1100px; margin: 0 auto; }
.duo-stage .closed { text-align: center; color: var(--muted); font-size: 14px; }
.duo-stage .closed .phone { width: 100%; margin: 0 auto 12px; }
.duo-caption { text-align: center; color: var(--muted); margin-top: 18px; min-height: 2em; }
@media (max-width: 860px) { .duo-stage { grid-template-columns: 1fr; } .duo-stage .closed { display: none; } }

/* Apple TV */
.tv { background: radial-gradient(1200px 600px at 20% 0%, #1b2350, transparent 60%), var(--tv); color: #f5f5f7; }
.tv .lead, .tv .card p { color: #a1a1b5; }
.tv .card { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.1); }
.tv-screen { border-radius: 18px; overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,.6); border: 1px solid rgba(255,255,255,.08); }
.tv-main { max-width: 1040px; margin: 48px auto 20px; }
.tv-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; max-width: 1040px; margin: 0 auto; }
.tv-thumbs button { padding: 0; border: 2px solid transparent; border-radius: 12px; overflow: hidden; cursor: pointer; background: none; opacity: .65; }
.tv-thumbs button[aria-selected="true"] { border-color: #fff; opacity: 1; }
@media (max-width: 640px) { .tv-thumbs { grid-template-columns: repeat(2, 1fr); } }

/* Watch */
.watch-row { display: flex; gap: 22px; justify-content: center; align-items: center; flex-wrap: wrap; }
.watch { background: #111; border-radius: 46px; padding: 14px; width: 190px; box-shadow: var(--shadow); }
.watch img { border-radius: 34px; }

/* Fiyat */
.plans { max-width: 860px; margin: 48px auto 0; }
.plan h3 { display: flex; align-items: baseline; gap: 10px; }
.plan .tag { font-size: 13px; font-weight: 700; color: var(--accent-2); }
.plan ul { list-style: none; padding: 0; margin: 18px 0 0; }
.plan li { padding: 6px 0; color: var(--muted); }
.plan li::before { content: "✓  "; color: var(--accent-2); font-weight: 700; }
.plan.premium { border: 2px solid var(--accent); }

/* SSS */
details { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px 22px; margin-bottom: 12px; }
summary { font-weight: 600; cursor: pointer; }
details p { color: var(--muted); margin: 12px 0 0; }

/* Alt bilgi */
footer { padding: 48px 0 56px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; }
footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
footer a { color: var(--muted); }

/* Yazı sayfaları (gizlilik, koşullar, kılavuz) */
.doc { max-width: 780px; margin: 0 auto; padding: 56px 20px 80px; }
.doc h1 { font-size: clamp(34px, 5vw, 48px); }
.doc .updated { color: var(--muted); margin: 10px 0 36px; }
.doc h2 { font-size: 22px; margin: 36px 0 10px; letter-spacing: -0.01em; }
.doc p, .doc li { color: var(--text); }
.doc p.note { color: var(--muted); }
.doc .steps { counter-reset: s; list-style: none; padding: 0; }
.doc .steps li { counter-increment: s; position: relative; padding: 0 0 18px 48px; }
.doc .steps li::before {
  content: counter(s); position: absolute; left: 0; top: 0; width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 700; display: grid; place-items: center; font-size: 15px;
}
.doc .card { margin-top: 18px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }