/* ============================================================
   Anomalyn — anomalyn.com açılış sayfası
   Tasarım dili: "radyoloji karanlık odası".
   Token ailesi klinik uygulamayla akraba (web/frontend/_tokens.scss):
   sıcak-siyah kanvas (#0d0d0c ailesi), mavi etkileşim vurgusu
   (#2a78d6 ailesi, koyu zemin için açılmış), amber yalnızca
   "dikkat haritası" motifinde. Ham hex yalnız bu blokta.
   ============================================================ */

@font-face {
  font-family: "IBM Plex Sans";
  src: url("../assets/fonts/IBMPlexSans-Regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("../assets/fonts/IBMPlexSans-Medium.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("../assets/fonts/IBMPlexSans-SemiBold.woff2") format("woff2");
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../assets/fonts/IBMPlexMono-Regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}

:root {
  /* Yüzeyler (koyu) */
  --bg-0: #0c0c0b;
  --bg-1: #121211;
  --bg-2: #191918;
  --line: #262624;
  --line-strong: #3a3a37;

  /* Metin (sıcak beyaz ailesi — klinik --surface-0 akrabası) */
  --ink-hi: #f2f1ea;
  --ink-mid: #b9b7ad;
  --ink-low: #8b897f;

  /* Etkileşim vurgusu (klinik --accent'ten koyu zemine uyarlandı) */
  --accent: #6ba7ec;        /* metin/çizgi için AA */
  --accent-deep: #2a78d6;   /* geniş yüzey/parıltı */
  --accent-btn: #1c5cab;    /* buton zemini (beyaz metinle 6.6:1) */

  /* Motif rengi: dikkat haritası (yalnız görselde, UI kromunda değil) */
  --attn: #fab219;

  /* Tipografi */
  --font-sans: "IBM Plex Sans", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Boşluk ritmi */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 72px; --sp-9: 120px;

  --radius: 8px;
  --wrap: 1120px;
}

/* ---------- Sıfırlama ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-0);
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
h1, h2, h3 { color: var(--ink-hi); font-weight: 600; line-height: 1.15; letter-spacing: -0.015em; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--accent-deep); color: #fff; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--sp-5); }

.skip-link {
  position: absolute; left: var(--sp-4); top: -48px;
  background: var(--accent-btn); color: #fff; padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius); z-index: 100; transition: top 0.15s;
}
.skip-link:focus { top: var(--sp-4); }

/* ---------- Üst çubuk ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg-0) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-row {
  display: flex; align-items: center; gap: var(--sp-5);
  height: 64px;
}
.wordmark {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-family: var(--font-mono); font-size: 18px; color: var(--ink-hi);
  letter-spacing: 0.01em;
}
.wordmark:hover { text-decoration: none; color: var(--ink-hi); }
.wordmark-ring { width: 16px; height: 16px; color: var(--accent); flex: none; }
.site-nav { display: flex; gap: var(--sp-5); margin-left: auto; align-items: center; }
.site-nav a { color: var(--ink-mid); font-size: 15px; }
.site-nav a:hover { color: var(--ink-hi); text-decoration: none; }
.site-nav .nav-cta { color: var(--accent); font-weight: 500; }
.stage-badge {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  color: var(--ink-low); border: 1px solid var(--line-strong);
  padding: 3px 10px; border-radius: 999px; white-space: nowrap;
}

/* ---------- Ortak bölüm dokusu ---------- */
.section { padding: var(--sp-9) 0; border-top: 1px solid var(--line); }
.section-alt { background: var(--bg-1); }
.eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent); margin-bottom: var(--sp-4);
}
h2 { font-size: clamp(26px, 4vw, 38px); max-width: 22ch; margin-bottom: var(--sp-5); }
.section-lead { max-width: 62ch; font-size: 18px; margin-bottom: var(--sp-6); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero::before {
  /* çok hafif film dokusu: ince ızgara + vinyet */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(1200px 600px at 75% 20%, rgba(42, 120, 214, 0.07), transparent 65%),
    repeating-linear-gradient(0deg, transparent 0 47px, rgba(242, 241, 234, 0.025) 47px 48px),
    repeating-linear-gradient(90deg, transparent 0 47px, rgba(242, 241, 234, 0.025) 47px 48px);
}
.hero-grid {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: var(--sp-7); align-items: center;
  padding-top: var(--sp-8); padding-bottom: var(--sp-8);
  min-height: min(88vh, 860px);
}
h1 { font-size: clamp(34px, 5.4vw, 58px); letter-spacing: -0.025em; margin-bottom: var(--sp-5); }
.hero-accent { color: var(--accent); }
.hero-sub { max-width: 56ch; font-size: 18px; margin-bottom: var(--sp-6); }
.hero-note { font-size: 14px; color: var(--ink-low); margin-top: var(--sp-4); }

.cta-row { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.btn {
  display: inline-block; padding: 13px 24px; border-radius: var(--radius);
  font-size: 16px; font-weight: 500; line-height: 1.2;
  border: 1px solid transparent; transition: background 0.15s, border-color 0.15s;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent-btn); color: #fff; }
.btn-primary:hover { background: var(--accent-deep); color: #fff; }
.btn-ghost { border-color: var(--line-strong); color: var(--ink-hi); }
.btn-ghost:hover { border-color: var(--ink-low); background: var(--bg-2); }

/* ---------- İmza görsel: bilek çizimi ---------- */
.hero-art { position: relative; }
.wrist { width: 100%; height: auto; max-height: 640px; }

/* dikkat haritası: tarama bitince belirir */
.wrist .attention { opacity: 0; }
.hero.is-scanned .wrist .attention {
  opacity: 1;
  transition: opacity 1.4s ease 0.2s;
}
.wrist .callout-text {
  font-family: var(--font-mono); font-size: 12px;
  fill: var(--attn); letter-spacing: 0.08em;
}

/* tarama süpürmesi */
.wrist .scan { opacity: 0; }
.hero.is-inview .wrist .scan {
  opacity: 1;
  animation: scan-sweep 2.6s cubic-bezier(0.45, 0, 0.35, 1) 0.5s 1 forwards;
}
@keyframes scan-sweep {
  from { transform: translateY(0); }
  to   { transform: translateY(820px); opacity: 0; }
}

/* hareket azaltma: süpürme yok, parıltı sabit ve kısık */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .wrist .scan { display: none; }
  .wrist .attention { opacity: 0.75; transition: none; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ---------- Kaydırmayla belirme ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Sorun ---------- */
.problem-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6);
  margin-top: var(--sp-6);
}
.problem-item { border-top: 1px solid var(--line-strong); padding-top: var(--sp-4); }
.problem-item h3 { font-size: 18px; margin-bottom: var(--sp-3); }
.problem-item p { font-size: 16px; }

/* ---------- Nasıl çalışır ---------- */
.steps {
  list-style: none; counter-reset: step;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-6);
  margin-top: var(--sp-6); position: relative;
}
.steps::before {
  /* adımları bağlayan ince hat */
  content: ""; position: absolute; top: 17px; left: 0; right: 0;
  height: 1px; background: var(--line-strong);
}
.step { position: relative; padding-top: var(--sp-7); }
.step-no {
  position: absolute; top: 0; left: 0;
  font-family: var(--font-mono); font-size: 13px; color: var(--accent);
  background: var(--bg-1); padding-right: var(--sp-3); line-height: 34px;
}
.step h3 { font-size: 18px; margin-bottom: var(--sp-3); }
.step p { font-size: 16px; }

/* ---------- KVKK / yerinde ---------- */
.kvkk-grid {
  list-style: none;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-6) var(--sp-7);
}
.kvkk-grid li {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: var(--sp-6);
  background: var(--bg-1);
}
.kvkk-grid .ico { width: 28px; height: 28px; color: var(--accent); margin-bottom: var(--sp-4); }
.kvkk-grid h3 { font-size: 18px; margin-bottom: var(--sp-3); }
.kvkk-grid p { font-size: 16px; }

/* ---------- Yol haritası (dikey zaman çizgisi) ---------- */
.roadmap {
  list-style: none; position: relative;
  margin-top: var(--sp-6); max-width: 720px;
}
.roadmap::before {
  content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px;
  width: 1px; background: var(--line-strong);
}
.milestone { position: relative; padding: 0 0 var(--sp-7) var(--sp-7); }
.milestone:last-child { padding-bottom: 0; }
.milestone .dot {
  position: absolute; left: 0; top: 6px;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--bg-0); border: 1.5px solid var(--ink-low);
}
.milestone.done .dot { background: var(--ink-low); border-color: var(--ink-low); }
.milestone.current .dot {
  border-color: var(--accent); background: var(--accent);
  box-shadow: 0 0 0 5px rgba(42, 120, 214, 0.25);
}
.milestone h3 { font-size: 19px; display: inline; margin-right: var(--sp-3); }
.milestone p { font-size: 16px; margin-top: var(--sp-2); max-width: 58ch; }
.milestone-tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-low);
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 2px 9px; vertical-align: 3px; white-space: nowrap;
}
.milestone-tag.now { color: var(--accent); border-color: var(--accent); }
.milestone.horizon h3, .milestone.horizon p { color: var(--ink-mid); }
.milestone.horizon h3 { color: var(--ink-hi); }

/* ---------- Pilot CTA ---------- */
.section-cta {
  background:
    radial-gradient(700px 340px at 50% 0%, rgba(42, 120, 214, 0.10), transparent 70%),
    var(--bg-1);
}
.pilot-wrap { text-align: center; }
.pilot-wrap h2, .pilot-wrap .section-lead { margin-left: auto; margin-right: auto; }
.pilot-wrap .cta-row { justify-content: center; }

/* ---------- Alt bilgi ---------- */
.site-footer { border-top: 1px solid var(--line); padding: var(--sp-7) 0; }
.disclaimer {
  border: 1px solid var(--line-strong); border-left: 3px solid var(--attn);
  border-radius: var(--radius);
  padding: var(--sp-4) var(--sp-5);
  font-size: 15px; color: var(--ink-mid);
  max-width: 900px; margin-bottom: var(--sp-6);
}
.disclaimer strong { color: var(--ink-hi); font-weight: 600; }
.footer-row {
  display: flex; flex-wrap: wrap; gap: var(--sp-4) var(--sp-6);
  justify-content: space-between; align-items: baseline;
  font-size: 14px; color: var(--ink-low);
}
.footer-row nav { display: flex; gap: var(--sp-5); flex-wrap: wrap; }
.footer-row a { color: var(--ink-mid); }
.footer-row a:hover { color: var(--ink-hi); }

/* ============================================================
   Duyarlılık
   ============================================================ */
@media (max-width: 960px) {
  .section { padding: var(--sp-8) 0; }
  .hero-grid { grid-template-columns: 1fr; gap: var(--sp-6); min-height: 0; }
  .hero-art { order: -1; max-width: 340px; margin: 0 auto; }
  .wrist { max-height: 420px; }
  .problem-grid { grid-template-columns: 1fr; gap: var(--sp-5); }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps::before { display: none; }
  .step { padding-top: var(--sp-6); }
  .step-no { background: transparent; }
  .kvkk-grid { grid-template-columns: 1fr; gap: var(--sp-4); }
  .site-nav { display: none; } /* bölüm bağlantıları; içerik tek sayfada akar */
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .header-row { gap: var(--sp-3); }
  .steps { grid-template-columns: 1fr; }
  .cta-row .btn { width: 100%; text-align: center; }
  .hero-grid { padding-top: var(--sp-6); }
  .hero-art { max-width: 260px; }
  .wrist { max-height: 320px; }
  .footer-row { flex-direction: column; }
}