/* =========================================================================
   ATÖLYE VYRON — style.css
   Concept : the site factory's own Awwwards-candidate showcase.
             "Videonuzu verin, sitenizi yapalım." Dark editorial ink.
   Signature (imza anı): STAGE — a scroll-driven, pinned stacked case-study
             deck. The front plate tips forward from its top edge (rotateX)
             and lifts away, revealing the next studio piece beneath.
   Palette : ink #0B0C10 / bone #E9E5DB / ember #E7502E, four gallery card
             tints (plum / rust / ink-blue / olive). All text/bg pairs below
             carry a computed WCAG ratio in the comment.
   Motion  : transform + opacity only. prefers-reduced-motion fully honoured.
   ========================================================================= */

:root {
  --ink:      #0B0C10;   /* page bg */
  --ink-2:    #131519;   /* raised panels */
  --ink-3:    #1B1E24;   /* hairline fills */
  --bone:     #E9E5DB;   /* primary text on ink   — 15.5:1 (AAA) */
  --muted:    #9A968C;   /* secondary text on ink — 6.6:1  (AA)  */
  --line:     rgba(233, 229, 219, 0.14);
  --line-2:   rgba(233, 229, 219, 0.07);
  --ember:    #E7502E;   /* accent on ink 5.2:1 / ink on ember 5.2:1 (AA) */
  --ember-dk: #C53F20;
  --paper:    #F4F1EA;   /* text on colored cards — ≥5.2:1 on every tint */

  --card-1:   #34283F;   /* plum   — paper 11.6:1 */
  --card-2:   #A34A24;   /* rust   — paper 5.2:1  */
  --card-3:   #223A57;   /* ink-blue — paper 8.9:1 */
  --card-4:   #46402C;   /* olive  — paper 8.0:1  */

  --serif: 'Zodiak', Georgia, 'Times New Roman', serif;
  --sans:  'Space Grotesk', ui-sans-serif, system-ui, -apple-system, sans-serif;

  --wrap: 1200px;
  --pad: clamp(1.15rem, 4vw, 3rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --hair: 1px solid var(--line);
}

/* ---- reset-ish ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.62vw + 0.86rem, 1.08rem);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.02; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg, video, canvas { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; border-radius: 2px; }

.wrap { width: min(100% - 2 * var(--pad), var(--wrap)); margin-inline: auto; }
.visually-hidden, .skip-link:not(:focus) {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 200;
  background: var(--ember); color: var(--ink); padding: 0.6rem 1rem;
  border-radius: 6px; font-weight: 500;
}

/* eyebrow / label rhythm ------------------------------------------------- */
.eyebrow {
  font-size: 0.72rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--muted); font-weight: 500; margin: 0 0 1rem;
}
.eyebrow .dot { color: var(--ember); }

/* ---- buttons ------------------------------------------------------------ */
.btn {
  --btn-pad: 0.85em 1.5em;
  display: inline-flex; align-items: center; gap: 0.55em;
  padding: var(--btn-pad); min-height: 44px;
  font-size: 0.9rem; font-weight: 500; letter-spacing: 0.02em;
  border-radius: 999px; transition: transform .4s var(--ease), background-color .3s, color .3s, border-color .3s;
}
.btn:active { transform: translateY(1px); }
.btn-cta { background: var(--ember); color: var(--ink); }
.btn-cta:hover { background: var(--paper); }
.btn-ghost { border: var(--hair); color: var(--bone); }
.btn-ghost:hover { border-color: var(--bone); }
.btn .arw { transition: transform .4s var(--ease); }
.btn:hover .arw { transform: translate(3px, -3px); }
.btn-lg { padding: 1.05em 1.9em; font-size: 0.98rem; }
.btn-block { width: 100%; justify-content: center; }

/* =========================================================================
   HEADER
   ========================================================================= */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background-color .4s, backdrop-filter .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  background: rgba(11, 12, 16, 0.72);
  backdrop-filter: blur(12px) saturate(1.1);
  border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 1.1rem 0; }
.brand { display: inline-flex; align-items: center; gap: 0.5ch; min-height: 44px; font-family: var(--serif); font-size: 1.35rem; letter-spacing: 0.01em; }
.brand .amp { color: var(--ember); }
.brand-sub { font-family: var(--sans); font-size: 0.62rem; letter-spacing: 0.34em; text-transform: uppercase; color: var(--muted); align-self: center; }

.site-nav { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2rem); }
.nav-list a:not(.btn) { font-size: 0.86rem; color: var(--muted); letter-spacing: 0.02em; transition: color .25s; position: relative; }
.nav-list a:not(.btn):hover { color: var(--bone); }
.nav-lang a { display: inline-flex; align-items: center; gap: 0.4ch; }
.nav-lang .tag { font-size: 0.6rem; letter-spacing: 0.1em; border: var(--hair); border-radius: 4px; padding: 0.1em 0.4em; color: var(--muted); }
.nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; position: relative; z-index: 110; }
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  content: ''; display: block; width: 22px; height: 2px; background: var(--bone); transition: transform .3s, opacity .3s;
}
.nav-toggle-bar::before { transform: translateY(-7px); } .nav-toggle-bar { position: relative; }
.nav-toggle-bar::after { transform: translateY(5px); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-list {
    position: fixed; inset: 0 0 auto 0; top: 0; padding: 5.5rem var(--pad) 2rem;
    flex-direction: column; align-items: flex-start; gap: 1.4rem;
    background: rgba(11, 12, 16, 0.97); backdrop-filter: blur(14px);
    border-bottom: var(--hair);
    transform: translateY(-102%); transition: transform .45s var(--ease); visibility: hidden;
  }
  .nav-list.is-open { transform: translateY(0); visibility: visible; }
  .nav-list a:not(.btn) { font-size: 1.15rem; min-height: 44px; display: inline-flex; align-items: center; }
  .nav-cta { margin-top: 0.5rem; }
}

/* =========================================================================
   HERO
   ========================================================================= */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; padding-bottom: clamp(2rem, 6vh, 5rem); overflow: hidden; }
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.55; }
.hero-scrim {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 90% at 15% 10%, rgba(231,80,46,0.12), transparent 55%),
    linear-gradient(180deg, rgba(11,12,16,0.55) 0%, rgba(11,12,16,0.2) 40%, rgba(11,12,16,0.9) 100%);
}
.hero-inner { position: relative; z-index: 2; }
.hero-title {
  font-size: clamp(2.9rem, 10.5vw, 8.6rem); line-height: 0.92; letter-spacing: -0.025em;
  margin: 0.4rem 0 1.6rem; max-width: 15ch;
}
.hero-title .em { font-style: italic; color: var(--ember); }
.hero-lede { color: var(--bone); max-width: 46ch; font-size: clamp(1.02rem, 0.5vw + 0.95rem, 1.25rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin: 2rem 0 2.4rem; }

/* live world-building line (the studio's "identity" strip) */
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 0.4rem 1.6rem; align-items: center;
  padding-top: 1.6rem; border-top: var(--hair); color: var(--muted);
  font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase;
}
.hero-meta .mono { font-variant-numeric: tabular-nums; }
.hero-meta .live { color: var(--ember); }
.hero-hint { position: absolute; left: var(--pad); bottom: 1.1rem; z-index: 2; font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }

/* reveal primitive -------------------------------------------------------- */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }
.no-js [data-reveal] { opacity: 1; transform: none; }

/* section scaffolding ----------------------------------------------------- */
section { position: relative; }
.section-pad { padding: clamp(4.5rem, 12vh, 9rem) 0; }
.section-h { font-size: clamp(2.1rem, 5.5vw, 4.2rem); letter-spacing: -0.02em; max-width: 18ch; }
.section-lede { color: var(--muted); max-width: 52ch; margin-top: 1.1rem; font-size: 1.06rem; }

/* =========================================================================
   MANIFESTO / marquee
   ========================================================================= */
.manifesto { border-block: var(--hair); padding: clamp(3rem, 8vh, 6rem) 0; }
.manifesto p { font-family: var(--serif); font-size: clamp(1.7rem, 4.4vw, 3.4rem); line-height: 1.12; max-width: 22ch; letter-spacing: -0.015em; }
.manifesto .em { color: var(--ember); font-style: italic; }
.marquee { overflow: hidden; border-bottom: var(--hair); padding: 1.1rem 0; --marq: 32s; }
.marquee-track { display: inline-flex; gap: 3rem; white-space: nowrap; will-change: transform; animation: marq var(--marq) linear infinite; }
.marquee-track span { font-family: var(--serif); font-size: clamp(1.4rem, 3vw, 2.4rem); color: var(--muted); }
.marquee-track .star { color: var(--ember); }
@keyframes marq { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

/* =========================================================================
   STAGE — the signature stacked case-study deck
   ========================================================================= */
.stage { position: relative; }
.stage-intro { padding: clamp(3.5rem, 9vh, 7rem) 0 1rem; }
/* Default (no-JS / mobile / reduced-motion): honest readable vertical stack.
   The pinned 3D deck is a progressive enhancement JS opts into (.is-live). */
.stage-pin { display: none; position: relative; height: 100svh; place-items: center; perspective: 1600px; }
.stage.is-live .stage-pin { display: grid; }
.stage.is-live .stage-fallback { display: none; }
.deck { position: relative; width: min(92vw, 940px); height: min(74svh, 560px); transform-style: preserve-3d; }

/* faint editorial grid — lives BEHIND the deck, never above a card */
.deck-grid { position: absolute; inset: -8% -4%; z-index: 0; pointer-events: none;
  background-image: linear-gradient(var(--line-2) 1px, transparent 1px), linear-gradient(90deg, var(--line-2) 1px, transparent 1px);
  background-size: 44px 44px; mask-image: radial-gradient(75% 75% at 50% 45%, #000 55%, transparent 100%);
}
.card {
  position: absolute; inset: 0; z-index: 1;
  border-radius: 18px; padding: clamp(1.5rem, 3.5vw, 2.6rem);
  display: flex; flex-direction: column; justify-content: space-between;
  color: var(--paper); background: var(--card-1);
  box-shadow: 0 40px 80px -40px rgba(0,0,0,0.7), 0 2px 0 rgba(255,255,255,0.04) inset;
  transform-origin: top center; will-change: transform, opacity;
  overflow: hidden;
}
.card::after { content: ''; position: absolute; inset: 0; background: radial-gradient(130% 120% at 85% 0%, rgba(255,255,255,0.14), transparent 45%); pointer-events: none; }
.card-1 { background: var(--card-1); } .card-2 { background: var(--card-2); }
.card-3 { background: var(--card-3); } .card-4 { background: var(--card-4); }
.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; }
.card-idx { font-variant-numeric: tabular-nums; opacity: 0.85; }
.card-tag { border: 1px solid rgba(244,241,234,0.35); border-radius: 999px; padding: 0.25em 0.8em; }
.card-body { display: flex; flex-direction: column; gap: 0.5rem; }
.card-kind { font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase; opacity: 0.85; }
.card-title { font-size: clamp(1.9rem, 5vw, 3.4rem); line-height: 0.98; }
.card-desc { max-width: 40ch; opacity: 0.92; font-size: 0.98rem; }
.card-foot { display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; font-size: 0.74rem; letter-spacing: 0.06em; opacity: 0.85; margin-top: 0.4rem; }
.card-foot span { display: inline-flex; align-items: center; gap: 0.45ch; }

/* progress rail for the deck */
.stage-rail { position: absolute; right: max(var(--pad), 2vw); top: 50%; transform: translateY(-50%); z-index: 3; display: flex; flex-direction: column; gap: 0.7rem; }
.stage-rail button { width: 10px; height: 10px; border-radius: 50%; background: var(--ink-3); border: 1px solid var(--line); transition: background-color .3s, transform .3s; }
.stage-rail button.is-on { background: var(--ember); transform: scale(1.25); }
@media (max-width: 860px) { .stage-rail { display: none; } }

/* Honest vertical stack (the default rendering) */
.stage-fallback { display: grid; gap: 1.1rem; padding-bottom: 1rem; }
.stage-fallback .card { position: relative; inset: auto; height: auto; min-height: 60svh; }

/* =========================================================================
   PROCESS
   ========================================================================= */
.process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1px; background: var(--line); border: var(--hair); border-radius: 14px; overflow: hidden; margin-top: 2.6rem; }
.pstep { background: var(--ink); padding: clamp(1.6rem, 3vw, 2.4rem); display: flex; flex-direction: column; gap: 0.6rem; min-height: 220px; }
.pstep .num { font-family: var(--serif); font-size: 1.1rem; color: var(--ember); }
.pstep h3 { font-family: var(--sans); font-size: 1.05rem; font-weight: 500; letter-spacing: 0.02em; text-transform: uppercase; }
.pstep p { color: var(--muted); font-size: 0.95rem; margin-top: auto; }

/* =========================================================================
   CAPABILITIES + stat cards (world-building)
   ========================================================================= */
.caps { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.cap-list { margin-top: 2rem; }
.cap-list li { display: flex; gap: 1.1rem; padding: 1.3rem 0; border-top: var(--hair); align-items: baseline; }
.cap-list li:last-child { border-bottom: var(--hair); }
.cap-list .k { font-variant-numeric: tabular-nums; color: var(--ember); font-size: 0.8rem; letter-spacing: 0.1em; min-width: 3ch; }
.cap-list .t { font-family: var(--serif); font-size: clamp(1.3rem, 3vw, 1.9rem); }
.cap-list .d { color: var(--muted); font-size: 0.92rem; }
.stat-stack { display: grid; gap: 1px; background: var(--line); border: var(--hair); border-radius: 14px; overflow: hidden; }
.stat { background: var(--ink-2); padding: 1.6rem; }
.stat .big { font-family: var(--serif); font-size: clamp(2.2rem, 6vw, 3.4rem); }
.stat .lbl { color: var(--muted); font-size: 0.76rem; letter-spacing: 0.16em; text-transform: uppercase; margin-top: 0.3rem; }
.stat .ph { color: var(--ember); }

/* =========================================================================
   CONTACT
   ========================================================================= */
.contact { border-top: var(--hair); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.contact-copy .section-h { max-width: 12ch; }
.trust { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 1.6rem; color: var(--muted); font-size: 0.92rem; }
.trust .tick { color: var(--ember); margin-right: 0.4ch; }
.form { display: grid; gap: 1rem; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label { font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.field .opt { text-transform: none; letter-spacing: 0; }
input, select, textarea {
  font: inherit; color: var(--bone); background: var(--ink-2);
  border: var(--hair); border-radius: 10px; padding: 0.85rem 1rem; width: 100%;
  transition: border-color .25s, background-color .25s;
}
input:focus, select:focus, textarea:focus { border-color: var(--ember); outline: none; background: var(--ink-3); }
textarea { resize: vertical; min-height: 96px; }
.form-status { font-size: 0.9rem; min-height: 1.2em; }
.form-status.is-err { color: var(--ember); }
.form-fine { color: var(--muted); font-size: 0.82rem; }
.form-fine a { color: var(--bone); text-decoration: underline; text-underline-offset: 3px; }

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-footer { border-top: var(--hair); padding: clamp(3rem, 7vh, 5rem) 0 2.5rem; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2rem; }
.footer-brand { max-width: 34ch; }
.footer-brand p { color: var(--muted); margin-top: 0.8rem; font-size: 0.92rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 0.4rem 1.2rem; align-items: flex-start; }
.footer-nav a { color: var(--muted); font-size: 0.9rem; transition: color .25s; display: inline-flex; align-items: center; min-height: 40px; }
.footer-nav a:hover { color: var(--bone); }
.footer-coords { display: flex; flex-wrap: wrap; gap: 0.4rem 1.6rem; margin-top: 2.6rem; padding-top: 1.6rem; border-top: var(--hair); color: var(--muted); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; }
.footer-legal { color: var(--muted); font-size: 0.76rem; margin-top: 1.4rem; }

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 860px) {
  .caps, .contact-inner { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  /* never enter the pinned 3D deck on phones, even if JS tried */
  .stage.is-live .stage-pin { display: none; }
  .stage.is-live .stage-fallback { display: grid; }
}

/* Reduced motion: keep the honest stack, calm the transitions */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .stage.is-live .stage-pin { display: none; }
  .stage.is-live .stage-fallback { display: grid; }
  .btn, .btn .arw { transition: none; }
}

/* =========================================================================
   YAMA 2026-08-01 — sayfa içi tıklanabilirlik
   İş kartlarının tamamı artık brief formuna (#contact) götüren gerçek bağlantı.
   Tasarım dili değişmedi; sadece tıklama alanı ve ipucu eklendi.
   ========================================================================= */
html { scroll-padding-top: 6rem; }

.card { cursor: pointer; }
.card-cover { position: absolute; inset: 0; z-index: 4; border-radius: inherit; }
.card-cover:focus-visible { outline: 2px solid var(--accent, #E7502E); outline-offset: -4px; }
.card:hover .card-title, .card:focus-within .card-title { text-decoration: underline; text-underline-offset: 0.16em; text-decoration-thickness: 1px; }