/* Nuclear Beacon tanıtım sitesi. Renk, yarıçap ve yazı tipi değerleri uygulamanın DESIGN.md dosyasından gelir. */

:root {
  color-scheme: dark;

  --background: #090c12;
  --panel: #151920;
  --sheet: #11141b;
  --ink: #f7f8fa;
  --muted: #b8bec8;
  --divider: #2b3038;
  --primary: #d91f3c;
  --primary-hover: #b71731;
  --on-primary: #ffffff;
  --accent: #ff304d;
  --accent-soft: #ff7288;
  --service-surface: #171014;
  --service-border: #3b2830;
  --secondary-action: #281d2a;
  --secondary-ink: #ffdeea;
  --field: #0d1118;
  --field-ink: #faf7fa;
  --field-border: #665062;
  --navigation: #10141a;

  --r-control: 9px;
  --r-action: 12px;
  --r-surface: 16px;

  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --poster: Bahnschrift, "Arial Narrow", system-ui, sans-serif;

  --gutter: 22px;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

@media (max-width: 350px) {
  :root { --gutter: 16px; }
}

@media (min-width: 64rem) {
  :root { --gutter: 40px; }
}

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

[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scrollbar-color: var(--divider) var(--background);
}

body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-wrap: break-word;
  caret-color: var(--accent);
}

::selection { background: var(--primary); color: var(--on-primary); }

img, svg { display: block; max-width: 100%; }
img { height: auto; }

h1, h2, h3 { margin: 0; text-wrap: balance; overflow-wrap: anywhere; }
p, li, dd, td { text-wrap: pretty; }
p { margin: 0; }

h1 { font-size: clamp(2.5rem, 1.75rem + 2.6vw, 3.75rem); font-weight: 760; line-height: 1.07; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.75rem, 1.45rem + 1.3vw, 2.75rem); font-weight: 720; line-height: 1.14; letter-spacing: -0.025em; }
h3 { font-size: 1.1875rem; font-weight: 620; line-height: 1.35; letter-spacing: -0.012em; }

a { color: var(--accent-soft); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }

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

.wrap { width: 100%; max-width: 75rem; margin-inline: auto; padding-inline: var(--gutter); }

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -6rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  border-radius: var(--r-control);
  background: var(--ink);
  color: var(--background);
  font-weight: 620;
}
.skip-link:focus { top: 0.5rem; }

/* Üst gezinme */

.site-header { border-bottom: 1px solid var(--divider); }

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
  padding-block: 0.625rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  min-height: 2.75rem;
  color: var(--ink);
  font-weight: 720;
  letter-spacing: -0.012em;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav ul { display: flex; flex-wrap: wrap; gap: 0 0.25rem; margin: 0 -0.625rem; padding: 0; list-style: none; }

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding-inline: 0.625rem;
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 550;
  text-decoration: none;
  transition: color 160ms ease;
}
.site-nav a[aria-current="page"] { color: var(--accent-soft); }

@media (hover: hover) and (pointer: fine) {
  .site-nav a:hover { color: var(--ink); }
}

/* Düğmeler */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 620;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  text-wrap: balance;
  transition: transform 160ms var(--ease-out), background-color 160ms ease, border-color 160ms ease;
}

.btn:active:not(:disabled) { transform: scale(0.97); }

.btn-primary {
  min-height: 3.375rem;
  padding: 0.9375rem 1.5rem;
  border-radius: var(--r-action);
  background: var(--primary);
  color: var(--on-primary);
  cursor: pointer;
}

.btn-primary:disabled { background: var(--primary-hover); cursor: progress; }

.btn-secondary {
  min-height: 2.875rem;
  padding: 0.75rem 0.9375rem;
  border-color: var(--field-border);
  border-radius: var(--r-control);
  background: var(--secondary-action);
  color: var(--secondary-ink);
}

.btn-store {
  min-height: 2.875rem;
  padding: 0.75rem 0.9375rem;
  border-color: var(--divider);
  border-radius: var(--r-control);
  background: var(--panel);
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 550;
  cursor: not-allowed;
}

@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
  .btn-secondary:hover { border-color: var(--secondary-ink); }
}

/* Giriş bölümü */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
  padding-block: 2.5rem 4rem;
}

.hero h1 span { display: block; color: var(--accent-soft); }

.hero-copy .lede { margin-top: 1.25rem; max-width: 34rem; color: var(--muted); font-size: 1.125rem; }

.hero-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 0.875rem; margin-top: 1.75rem; }
.hero-actions .btn-primary { min-width: min(15rem, 100%); }

.stores { display: flex; flex-wrap: wrap; gap: 0.625rem; }

.hero-posters {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 0.75rem;
  align-items: center;
}

.hero-posters img { width: 100%; border-radius: var(--r-control); box-shadow: 0 0 0 1px var(--divider), 0 18px 40px -18px rgb(0 0 0 / 0.75); }
.hero-posters img:nth-child(1) { grid-row: 1 / span 2; }

@media (min-width: 60rem) {
  .hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: center;
    gap: 3rem;
    padding-block: 3rem 5rem;
  }
}

/* Hero posterleri sayfa açılırken bir kez yerine oturur: seri fikrini ilk bakışta kurar. */
@media (prefers-reduced-motion: no-preference) {
  .hero-posters img { animation: settle 700ms var(--ease-out) both; }
  .hero-posters img:nth-child(2) { animation-delay: 80ms; }
  .hero-posters img:nth-child(3) { animation-delay: 160ms; }
}

@keyframes settle {
  from { opacity: 0; transform: translateY(16px) scale(0.985); }
}

/* Bölüm ritmi */

.section { padding-block: 4.5rem; }
.section-intro { margin-top: 1rem; max-width: 42rem; color: var(--muted); }

@media (min-width: 64rem) {
  .section { padding-block: 6.5rem; }
}

/* Poster duvarı */

.series { border-top: 1px solid var(--divider); }

.shelf { display: grid; gap: 1.25rem; margin-top: 3.5rem; }

.shelf-head { display: grid; grid-template-columns: auto minmax(0, 1fr); column-gap: 0.75rem; align-items: center; }
.shelf-head svg { width: 1.75rem; height: 1.75rem; fill: none; stroke: var(--accent-soft); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.shelf-head p { grid-column: 1 / -1; margin-top: 0.5rem; color: var(--muted); font-size: 0.9375rem; }
.shelf-head h3 { font-size: 1.375rem; font-weight: 720; letter-spacing: -0.02em; }

.poster-row { margin: 0; padding: 0; list-style: none; }
.poster-row figure { margin: 0; }
.poster-row img { width: 100%; border-radius: 6px; background: var(--panel); box-shadow: 0 0 0 1px var(--divider); }
.poster-row figcaption { margin-top: 0.625rem; color: var(--muted); font-size: 0.875rem; font-weight: 550; line-height: 1.35; }

/* Telefonda: sürüklenebilir raf. Sayfa yatay taşmaz, kaydırma rafın içinde kalır. */
@media (max-width: 45.99rem) {
  .poster-row {
    display: flex;
    gap: 0.75rem;
    margin-inline: calc(var(--gutter) * -1);
    padding: 0.25rem var(--gutter) 0.75rem;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-padding-inline: var(--gutter);
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
  }
  .poster-row > li { flex: 0 0 min(62%, 13rem); scroll-snap-align: start; }
}

@media (min-width: 46rem) {
  .poster-row { display: grid; gap: 1.5rem 0.875rem; }
  .cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .cols-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cols-fill { grid-template-columns: repeat(auto-fill, minmax(8.5rem, 1fr)); }
}

@media (min-width: 64rem) {
  .cols-6, .cols-fill { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .shelf { grid-template-columns: 14rem minmax(0, 1fr); gap: 2.5rem; margin-top: 4.5rem; align-items: start; }
  .shelf-head { position: sticky; top: 1.5rem; }
}

.service-note {
  display: grid;
  gap: 1rem;
  margin-top: 3.5rem;
  padding: 1.5rem;
  border: 1px solid var(--service-border);
  border-radius: var(--r-surface);
  background: var(--service-surface);
}

.service-note .shelf-head { position: static; }
.service-note p { max-width: 44rem; }

@media (min-width: 64rem) {
  .service-note { grid-template-columns: 12.5rem minmax(0, 1fr); gap: 2.5rem; margin-top: 4.5rem; padding: 2rem 1.5rem; align-items: center; }
}

/* Kırmızı bant: posterlerin alt şeridinin sayfa ölçeğindeki karşılığı */

.band { background: var(--primary); color: var(--on-primary); }
.band ::selection { background: var(--background); color: var(--on-primary); }

.band h2 {
  max-width: 16ch;
  font-family: var(--poster);
  font-size: clamp(2.625rem, 1rem + 7vw, 6rem);
  font-stretch: 75%;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.025em;
}

.band-lede { margin-top: 1.5rem; max-width: 40rem; font-size: 1.125rem; }

.band-columns { display: grid; gap: 2.5rem; margin-top: 3rem; }
.band-columns h3 { padding-top: 0.875rem; border-top: 2px solid var(--on-primary); font-weight: 720; }
.band-columns ul { margin: 0.875rem 0 0; padding: 0; list-style: none; }
.band-columns li + li { margin-top: 0.625rem; }

@media (min-width: 46rem) {
  .band-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 3rem; }
}

/* Aile iletişim kartı */

.family { display: grid; gap: 2.5rem; }
.family figure { margin: 0; max-width: 20rem; }
.family img { width: 100%; border-radius: var(--r-surface); border: 1px solid var(--divider); }
.family figcaption { margin-top: 0.75rem; color: var(--muted); font-size: 0.875rem; }
.family-copy p + p { margin-top: 1rem; }
.family-copy h2 + p { margin-top: 1.25rem; font-size: 1.125rem; }
.family-copy .quiet { color: var(--muted); }

/* Temsilî nesne sahneleri: gerçek posterlerin ve ekranların önüne geçmez. */
.scene { max-width: 56rem; margin: 2.5rem 0 0; }
.scene img { width: 100%; border: 1px solid var(--divider); border-radius: var(--r-surface); }
.scene figcaption { margin-top: 0.75rem; color: var(--muted); font-size: 0.875rem; }
.family-copy .scene { max-width: 34rem; margin-block: 1.5rem; }

@media (min-width: 52rem) {
  .family { grid-template-columns: minmax(0, 1fr) 20rem; gap: 5rem; align-items: center; }
}

/* Premium */

.premium { border-top: 1px solid var(--divider); }

.plans { display: grid; gap: 0.875rem; margin-top: 2.5rem; }

.plan { padding: 1.5rem; border: 1px solid var(--divider); border-radius: var(--r-surface); background: var(--sheet); }
.plan h3 { font-size: 1.1875rem; }
.plan-price { margin-top: 0.5rem; font-size: clamp(2.25rem, 1.75rem + 2vw, 3.25rem); font-weight: 760; line-height: 1.1; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.plan-price small { color: var(--muted); font-size: 1rem; font-weight: 550; letter-spacing: 0; }
.plan p:last-child { margin-top: 0.75rem; color: var(--muted); }

@media (min-width: 46rem) {
  .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.terms { display: grid; gap: 1.5rem; margin: 2.5rem 0 0; }
.terms dt { font-weight: 620; }
.terms dd { margin: 0.25rem 0 0; color: var(--muted); }

@media (min-width: 46rem) {
  .terms { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 3rem; }
}

/* Kapanış */

.closing { border-top: 1px solid var(--divider); }
.closing p { margin-top: 1.25rem; max-width: 40rem; color: var(--muted); font-size: 1.125rem; }
.closing-links { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

/* Alt bilgi */

.site-footer { border-top: 1px solid var(--divider); background: var(--navigation); font-size: 0.9375rem; }
.site-footer .wrap { display: grid; gap: 2rem; padding-block: 2.5rem 3rem; }
.site-footer p { margin-top: 0.75rem; max-width: 34rem; color: var(--muted); }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer nav a { display: inline-flex; align-items: center; min-height: 2.75rem; color: var(--ink); text-decoration: none; }

@media (hover: hover) and (pointer: fine) {
  .site-footer nav a:hover { color: var(--accent-soft); }
}

@media (min-width: 46rem) {
  .site-footer .wrap { grid-template-columns: minmax(0, 1fr) auto; gap: 4rem; }
}

/* Girdi işareti: yayın öncesi doldurulacak her alan aynı biçimde görünür */

mark.girdi {
  padding: 0.05em 0.35em;
  border: 1px dashed var(--accent-soft);
  border-radius: 4px;
  background: var(--secondary-action);
  color: var(--secondary-ink);
  font-weight: 550;
  overflow-wrap: anywhere;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* Belge sayfaları */

.doc { padding-block: 2.5rem 5rem; }
.doc-head { max-width: 46rem; }
.doc-head .meta { margin-top: 0.875rem; color: var(--muted); font-size: 0.9375rem; }

.draft {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--service-border);
  border-radius: var(--r-action);
  background: var(--service-surface);
}
.draft strong { display: block; font-weight: 720; }
.draft span { display: block; margin-top: 0.25rem; color: var(--muted); font-size: 0.9375rem; }

.doc-grid { display: grid; gap: 2rem; margin-top: 2.5rem; }

.toc { padding: 1rem 1.25rem; border: 1px solid var(--divider); border-radius: var(--r-action); background: var(--sheet); }
.toc h2 { font-size: 1rem; font-weight: 620; letter-spacing: 0; }
.toc ul { margin: 0.5rem 0 0; padding: 0; list-style: none; }
.toc a { display: inline-flex; align-items: center; min-height: 2.25rem; color: var(--muted); font-size: 0.9375rem; line-height: 1.3; text-decoration: none; }

@media (hover: hover) and (pointer: fine) {
  .toc a:hover { color: var(--ink); }
}

@media (min-width: 64rem) {
  .doc-grid { grid-template-columns: 15rem minmax(0, 46rem); gap: 4rem; align-items: start; }
  .toc { position: sticky; top: 1.5rem; max-height: calc(100dvh - 3rem); overflow-y: auto; }
}

.prose { min-width: 0; }
.prose > section + section { margin-top: 3.25rem; }
.prose h2 { font-size: clamp(1.5rem, 1.35rem + 0.6vw, 1.875rem); scroll-margin-top: 1rem; }
.prose h3 { margin-top: 1.75rem; }
.prose p, .prose ul, .prose ol { max-width: 68ch; }
.prose h2 + p, .prose h2 + ul, .prose h2 + ol, .prose h3 + p, .prose h3 + ul { margin-top: 0.875rem; }
.prose p + p { margin-top: 0.875rem; }
.prose p + ul, .prose p + ol, .prose ul + p, .prose ol + p, .prose .table-note + p { margin-top: 0.875rem; }
.prose ul, .prose ol { margin-block: 0; padding-inline-start: 1.25rem; }
.prose li + li { margin-top: 0.5rem; }
.prose li::marker { color: var(--accent-soft); }

.callout {
  margin-top: 1.25rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--r-action);
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 620;
}
.callout ::selection { background: var(--background); color: var(--on-primary); }
.callout p { max-width: none; }
.callout-title { font-family: var(--poster); font-size: clamp(1.625rem, 1.3rem + 1.4vw, 2.25rem); font-stretch: 75%; font-weight: 800; line-height: 1.08; letter-spacing: -0.02em; }
.callout-title + p { margin-top: 0.625rem; font-weight: 400; }

.data-table { width: 100%; margin-top: 1rem; border-collapse: collapse; font-size: 0.9375rem; line-height: 1.5; font-variant-numeric: tabular-nums; }
.data-table caption { padding-bottom: 0.5rem; color: var(--muted); text-align: start; }
.data-table th, .data-table td { padding: 0.75rem 1rem 0.75rem 0; border-bottom: 1px solid var(--divider); text-align: start; vertical-align: top; overflow-wrap: anywhere; }
.data-table thead th { color: var(--muted); font-size: 0.875rem; font-weight: 550; }
.data-table tbody th { font-weight: 620; }

/* Dar ekranda tablo satırları etiketli bloklara dönüşür; yatay kaydırma gerekmez. */
@media (max-width: 40rem) {
  .data-table, .data-table tbody, .data-table tr, .data-table th, .data-table td, .data-table caption { display: block; }
  .data-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .data-table tbody tr { padding-block: 0.875rem; border-bottom: 1px solid var(--divider); }
  .data-table tbody th, .data-table tbody td { padding: 0; border: 0; }
  .data-table tbody td { margin-top: 0.5rem; }
  .data-table td::before { content: attr(data-label); display: block; color: var(--muted); font-size: 0.8125rem; font-weight: 550; }
}

/* Sık sorular */

.faq { margin-top: 1rem; }
.faq details { border-bottom: 1px solid var(--divider); }

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.25rem;
  padding-block: 0.875rem;
  font-weight: 620;
  line-height: 1.35;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }

.faq summary svg { flex: none; width: 1.25rem; height: 1.25rem; fill: none; stroke: var(--accent-soft); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform 180ms var(--ease-out); }
.faq details[open] summary svg { transform: rotate(90deg); }
.faq details > div { padding-bottom: 1.25rem; color: var(--muted); }
.faq details > div p + p { margin-top: 0.75rem; }
.faq a { font-weight: 550; }

/* Hesap silme formu */

.delete-panel { margin-top: 1.25rem; padding: 1.5rem; border: 1px solid var(--divider); border-radius: var(--r-surface); background: var(--sheet); }
.delete-panel > p:first-child { color: var(--muted); }

.delete-panel fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }

.field { display: grid; gap: 0.375rem; margin-top: 1.25rem; }
.field label { font-size: 0.9375rem; font-weight: 550; }
.field input {
  width: 100%;
  min-height: 2.875rem;
  padding: 0.6875rem 0.75rem;
  border: 1px solid var(--muted);
  border-radius: var(--r-control);
  background: var(--field);
  color: var(--field-ink);
  font: inherit;
  font-size: 1rem;
}
.field input[aria-invalid="true"], .confirm input[aria-invalid="true"] { border-color: var(--accent-soft); }

.field-error { margin: 0; color: var(--accent-soft); font-size: 0.9375rem; font-weight: 550; }

.confirm { margin-top: 1.5rem; }
.confirm label { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.75rem; align-items: start; cursor: pointer; }
.confirm input { width: 1.375rem; height: 1.375rem; margin: 0.125rem 0 0; accent-color: var(--primary); }
.confirm .field-error { margin-top: 0.5rem; }

.delete-panel .btn-primary { width: 100%; margin-top: 1.5rem; }

.status-panel { margin-top: 1.25rem; padding: 1.25rem 1.5rem; border: 1px solid var(--service-border); border-radius: var(--r-action); background: var(--service-surface); }
.status-panel:focus-visible { outline-offset: 2px; }
.status-panel strong { display: block; font-size: 1.125rem; font-weight: 720; }
.status-panel p { margin-top: 0.5rem; }

/* 404 */

.not-found { padding-block: 4.5rem 6rem; }
.not-found p { margin-top: 1.25rem; max-width: 34rem; color: var(--muted); font-size: 1.125rem; }
.not-found .btn { margin-top: 2rem; }

/* Hareket azaltma: konum hareketleri kapanır, renk geçişleri kalır. */
@media (prefers-reduced-motion: reduce) {
  .btn:active:not(:disabled) { transform: none; }
  .btn, .faq summary svg { transition-property: background-color, border-color; }
}