/* ===========================================================================
   tv.cobanov.dev / Android TV temizlik rehberi

   Tek sayfa. Koyu, sıcak siyah zemin; tek vurgu rengi (Android yeşili).
   Kutu yarıçapı 14px, küçük öğeler 10px, düğmeler hap.
   =========================================================================== */

:root {
  color-scheme: dark;

  --bg: #131110;
  --surface: #1b1917;
  --surface-2: #24211e;
  --ink: #f4f1ec;
  --muted: #a29b91;
  --line: rgba(244, 241, 236, 0.09);
  --line-strong: rgba(244, 241, 236, 0.18);

  /* Tek vurgu: Android yeşili. #131110 zemininde 11.4:1 okunurluk. */
  --accent: #3ddc84;
  --accent-hover: #6ff0a8;
  --accent-quiet: rgba(61, 220, 132, 0.13);
  --on-accent: #131110;

  --code-bg: #0c0b0a;
  --code-muted: #8d867c;
  --ok: #7fc98a;
  --warn: #e8705a;

  --gutter: clamp(20px, 5vw, 64px);
  --measure: 900px;
  --prose: 66ch;

  --step--1: 0.8125rem;
  --step-0: 1rem;
  --step-1: 1.0625rem;
  --step-2: clamp(1.25rem, 1.05rem + 0.9vw, 1.6rem);
  --step-3: clamp(1.6rem, 1.15rem + 1.9vw, 2.25rem);
  --step-4: clamp(2.25rem, 1.2rem + 4.4vw, 3.75rem);

  --radius: 14px;
  --radius-sm: 10px;
  --pill: 999px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --section-y: clamp(44px, 5vw, 72px);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--ink);
  font-family: Geist, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { text-wrap: balance; line-height: 1.2; margin: 0; }
p { text-wrap: pretty; }

a { color: inherit; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }

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

code, kbd, pre { font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace; }

/* Film taneciği: sabit, tıklanamaz, kaydırmada yeniden çizilmez. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

.shell { width: min(var(--measure), 100% - var(--gutter) * 2); margin-inline: auto; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 12px 18px;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* --- üst çubuk ----------------------------------------------------------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.wordmark-mark {
  width: 22px;
  height: 16px;
  border: 1.6px solid var(--accent);
  border-radius: 4px;
  position: relative;
}
.wordmark-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 10px;
  height: 1.6px;
  background: var(--accent);
  transform: translateX(-50%);
}

.masthead nav { display: flex; align-items: center; gap: 18px; }
.nav-text { font-size: var(--step--1); color: var(--muted); text-decoration: none; }
.nav-text:hover { color: var(--ink); }
.nav-icon { display: inline-flex; color: var(--muted); }
.nav-icon:hover { color: var(--ink); }
.nav-icon svg { width: 19px; height: 19px; display: block; }

/* --- kahraman ------------------------------------------------------------ */

.hero { padding: clamp(56px, 8vw, 104px) 0 var(--section-y); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  font-size: var(--step--1);
  color: var(--muted);
  margin-bottom: 22px;
}
.eyebrow b { color: var(--accent); font-weight: 600; }

.hero h1 { font-size: var(--step-4); letter-spacing: -0.03em; }

.hero-lede {
  max-width: var(--prose);
  margin: 20px 0 0;
  font-size: var(--step-1);
  color: var(--muted);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: var(--step--1);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.btn:hover { background: var(--surface-2); border-color: var(--ink); }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--on-accent); }

/* --- ölçüm şeridi -------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin-top: 44px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat { background: var(--surface); padding: 18px 20px; }
.stat dt { font-size: var(--step--1); color: var(--muted); margin: 0 0 6px; }
.stat dd { margin: 0; font-size: var(--step-2); font-weight: 600; letter-spacing: -0.02em; }
.stat dd small { font-size: var(--step--1); font-weight: 400; color: var(--muted); letter-spacing: 0; }

/* --- bölümler ------------------------------------------------------------ */

section { padding-block: var(--section-y); border-top: 1px solid var(--line); }

.section-head { margin-bottom: 28px; }
.section-head h2 { font-size: var(--step-3); letter-spacing: -0.02em; }
.section-head p { max-width: var(--prose); margin: 12px 0 0; color: var(--muted); }

.prose { max-width: var(--prose); }
.prose p { margin: 0 0 16px; }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--ink); font-weight: 600; }

/* --- adımlar ------------------------------------------------------------- */

.steps { list-style: none; counter-reset: step; margin: 0; padding: 0; }

.step {
  counter-increment: step;
  position: relative;
  padding: 0 0 32px 56px;
}
.step:last-child { padding-bottom: 0; }

.step::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: var(--pill);
  background: var(--accent-quiet);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: var(--step--1);
  font-weight: 600;
}

/* Adımları birbirine bağlayan dikey çizgi. */
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 17px;
  top: 40px;
  bottom: 10px;
  width: 1px;
  background: var(--line);
}

.step h3 { font-size: var(--step-1); margin-bottom: 8px; }
.step p { margin: 0 0 12px; color: var(--muted); max-width: var(--prose); }
.step p:last-child { margin-bottom: 0; }

/* --- kod kutusu ---------------------------------------------------------- */

.code {
  position: relative;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin: 0 0 12px;
}

.code-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px 8px 14px;
  border-bottom: 1px solid var(--line);
}
.code-label { font-size: var(--step--1); color: var(--code-muted); }

.code pre {
  margin: 0;
  padding: 14px;
  overflow-x: auto;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--ink);
  tab-size: 2;
}
.code pre code { white-space: pre; }

.copy {
  flex: none;
  padding: 6px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: var(--step--1);
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.copy:hover { background: var(--surface-2); color: var(--ink); border-color: var(--ink); }
.copy[data-copied] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }

/* İstemin kendisi uzun; kutuyu sınırla ki sayfa okunur kalsın. */
.code-prompt pre { max-height: 380px; overflow-y: auto; white-space: pre-wrap; }
.code-prompt pre code { white-space: pre-wrap; }

/* --- notlar -------------------------------------------------------------- */

.note {
  display: flex;
  gap: 12px;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius-sm);
  margin: 0 0 16px;
  max-width: var(--prose);
}
.note:last-child { margin-bottom: 0; }
.note-danger { border-left-color: var(--warn); }
.note p { margin: 0; font-size: var(--step--1); color: var(--muted); }
.note p strong { display: block; color: var(--ink); font-size: var(--step-0); margin-bottom: 4px; }

/* --- dokunulmazlar tablosu ---------------------------------------------- */

.pkg-table { width: 100%; border-collapse: collapse; font-size: var(--step--1); }
.pkg-table th,
.pkg-table td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.pkg-table th { color: var(--muted); font-weight: 500; }
.pkg-table td:first-child { font-family: "JetBrains Mono", ui-monospace, monospace; color: var(--accent); white-space: nowrap; }
.pkg-table td:last-child { color: var(--muted); }
.pkg-table tr:last-child td { border-bottom: 0; }

.table-wrap {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* --- kartlar ------------------------------------------------------------- */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card h3 { font-size: var(--step-1); margin-bottom: 8px; }
.card p { margin: 0; font-size: var(--step--1); color: var(--muted); }

/* --- alt bilgi ----------------------------------------------------------- */

footer {
  border-top: 1px solid var(--line);
  padding-block: 34px 44px;
  font-size: var(--step--1);
  color: var(--muted);
}
.footer-inner { display: flex; flex-wrap: wrap; gap: 14px 26px; align-items: center; justify-content: space-between; }
footer a { color: var(--muted); }
footer a:hover { color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}