/* Öne Geç CMS — "Künye Levhası" teması (DESIGN.md, varyant C)
   --accent site başına base.html içinde :root'ta atanır. */

:root {
  --bg: #EFF1EC; --surface: #F9FAF7; --ink: #16191A; --muted: #5E635F;
  --line: #D3D6CE; --dark: #16191A; --dark-ink: #EFF1EC; --dark-muted: #9BA19B;
  --ease: cubic-bezier(0.2, 0, 0, 1); --radius: 2px;
  --font-display: "Archivo", sans-serif;
  --font-body: "Instrument Sans", sans-serif;
  --font-lede: "Besley", serif;
  --font-mono: "IBM Plex Mono", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 17px; line-height: 1.6; }
img { max-width: 100%; display: block; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
h1, h2, h3 { font-family: var(--font-display); font-stretch: 112%; letter-spacing: -0.01em; line-height: 1.05; }
.mono { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em; }
.muted { color: var(--muted); }
a { color: inherit; }
.dot { color: var(--accent); }
.text-link { color: var(--accent); text-decoration: none; }
.text-link:hover { text-decoration: underline; }

/* düğmeler */
.btn { display: inline-block; font-family: var(--font-mono); font-size: 14px; font-weight: 600; letter-spacing: 0.05em;
  padding: 14px 28px; text-decoration: none; border-radius: var(--radius); border: 1px solid var(--ink);
  background: transparent; color: var(--ink); cursor: pointer;
  transition: background 150ms var(--ease), color 150ms var(--ease), border-color 150ms var(--ease); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: color-mix(in oklab, var(--accent), black 15%); border-color: color-mix(in oklab, var(--accent), black 15%); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 9px 18px; font-size: 13px; }

/* üst bar */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: relative; z-index: 10; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.logo { font-family: var(--font-display); font-weight: 900; font-stretch: 120%; font-size: 20px;
  letter-spacing: 0.02em; text-decoration: none; text-transform: uppercase; }
.site-header nav { display: flex; gap: 24px; align-items: center; }
.site-header nav a:not(.btn) { text-decoration: none; font-size: 15px; position: relative; padding-bottom: 4px; }
.site-header nav a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--accent); transition: width 200ms var(--ease); }
.site-header nav a:not(.btn):hover::after { width: 100%; }
.nav-toggle, .nav-toggle-box { display: none; }

/* hero */
.hero { padding-top: 80px; }
.hero-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 48px; align-items: end; }
.eyebrow { color: var(--muted); margin-bottom: 24px; }
.eyebrow b { color: var(--accent); font-weight: 600; }
.eyebrow a { color: inherit; }
.hero h1 { font-size: clamp(48px, 7.5vw, 96px); font-weight: 900; font-stretch: 122%; text-transform: uppercase; }
p.lede { font-family: var(--font-lede); font-size: 20px; color: var(--muted); max-width: 52ch; margin: 24px 0 32px; }
.hero-ctas { display: flex; gap: 14px; margin-bottom: 56px; flex-wrap: wrap; }
.photo { aspect-ratio: 4/4.2; border: 1px solid var(--line); background-size: cover; background-position: center;
  background-color: #2b2e2c;
  background-image: repeating-linear-gradient(-38deg, #2b2e2c 0 3px, #3a3e3b 3px 7px, #242725 7px 14px); }

/* duotone fotoğraf işlemi */
.duotone { position: relative; overflow: hidden; }
.duotone::before { content: ""; position: absolute; inset: 0;
  background: color-mix(in oklab, var(--accent), transparent 82%); mix-blend-mode: multiply; pointer-events: none; }

/* cetvel şeridi + istatistik */
.ruler { border-top: 1px solid var(--ink);
  background: repeating-linear-gradient(90deg, var(--ink) 0 1px, transparent 1px 24px) top / 100% 10px no-repeat; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 40px 0 48px; }
.stat .num { font-family: var(--font-mono); font-size: 38px; font-weight: 600; font-variant-numeric: tabular-nums; }
.stat .num i { font-style: normal; color: var(--accent); font-size: 24px; }
.stat .lbl { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; color: var(--muted);
  text-transform: uppercase; margin-top: 4px; }

/* bölümler */
section { padding: 88px 0; }
section.pt-0 { padding-top: 40px; }
section.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.page-head { padding: 72px 0 24px; }
.page-head h1 { font-size: clamp(40px, 5.5vw, 68px); font-weight: 900; font-stretch: 118%; text-transform: uppercase; }
.sec-head { display: grid; grid-template-columns: 4fr 8fr; gap: 48px; margin-bottom: 48px; }
.sec-head h2 { font-size: 38px; font-weight: 800; text-transform: uppercase; }
.sec-head p { font-family: var(--font-lede); color: var(--muted); font-size: 18px; align-self: end; }

/* hizmet plakaları */
.plates { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.plate { background: var(--surface); padding: 32px 28px 28px; position: relative; min-height: 220px;
  display: flex; flex-direction: column; justify-content: flex-end; text-decoration: none;
  border: 1px solid transparent; transition: border-color 150ms var(--ease); }
.plate:hover { border-color: var(--accent); }
.plate .spec { position: absolute; top: 16px; right: 20px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.plate h3 { font-size: 22px; font-weight: 800; text-transform: uppercase; margin-bottom: 10px; }
.plate p { color: var(--muted); font-size: 15px; }
.plate .more { font-family: var(--font-mono); font-size: 13px; margin-top: 16px; color: var(--accent); }

/* koyu blok */
.dark { background: var(--dark); color: var(--dark-ink); }
.dark .sec-head p { color: var(--dark-muted); }
.why { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: color-mix(in oklab, var(--dark-ink), transparent 88%); }
.why > div { background: var(--dark); padding: 32px 28px; }
.why .no { font-family: var(--font-mono); color: var(--accent); font-size: 13px; }
.why h3 { font-size: 20px; margin: 12px 0 8px; }
.why p { color: var(--dark-muted); font-size: 15px; }

/* iş defteri */
.ledger { border-top: 1px solid var(--ink); }
.ledger-row { display: grid; grid-template-columns: 110px 1fr 140px; gap: 24px; padding: 18px 0;
  border-bottom: 1px solid var(--line); font-family: var(--font-mono); font-size: 14px; }
.ledger-row .where { text-align: right; color: var(--muted); }
.ledger-quote { font-family: var(--font-lede); font-style: italic; font-size: 16px; color: var(--muted);
  padding: 4px 0 18px 134px; border-bottom: 1px solid var(--line); }

/* kartlar */
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 0 0 18px;
  text-decoration: none; transition: border-color 150ms var(--ease); display: block; }
.card:hover { border-color: var(--accent); }
.card h3 { font-size: 17px; margin: 14px 18px 4px; }
.card p { color: var(--muted); font-size: 14px; margin: 0 18px; }
.card .price { color: var(--accent); margin: 8px 18px 0; }
.card-img { aspect-ratio: 4/3; background-size: cover; background-position: center; background-color: #dadcd6; }
.card-img.tall { aspect-ratio: 4/3; margin-bottom: 24px; border: 1px solid var(--line); }
.card-img.wide { aspect-ratio: 21/9; margin-bottom: 32px; border: 1px solid var(--line); }

/* blog listesi */
.post-list { border-top: 1px solid var(--ink); }
.post-row { display: grid; grid-template-columns: 120px 1fr 2fr; gap: 24px; align-items: baseline;
  padding: 22px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.post-row .mono { color: var(--muted); }
.post-row h3 { font-size: 20px; transition: color 150ms var(--ease); }
.post-row:hover h3 { color: var(--accent); }
.post-row p { color: var(--muted); font-size: 15px; }

/* detay yerleşimi */
.detail-grid { display: grid; grid-template-columns: 7fr 4fr; gap: 48px; align-items: start; }
.aside-box { border: 1px solid var(--line); background: var(--surface); padding: 24px; display: grid; gap: 12px; }
.aside-box .mono { color: var(--muted); }
.price-big { font-size: 26px; font-weight: 600; color: var(--accent); }

/* düzyazı içerik */
.prose { max-width: 68ch; }
.prose.narrow { max-width: 68ch; margin: 0; }
.prose p { margin-bottom: 1.2em; }
.prose h2, .prose h3 { margin: 1.6em 0 0.6em; }
.prose ul, .prose ol { margin: 0 0 1.2em 1.4em; }
.prose img { border: 1px solid var(--line); }
.prose blockquote { font-family: var(--font-lede); font-style: italic; color: var(--muted);
  border-left: 2px solid var(--accent); padding-left: 20px; margin: 1.4em 0; }

/* galeri */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery-grid .card-img { aspect-ratio: 4/3; border: 1px solid var(--line); }
.gallery-grid figcaption { margin-top: 8px; color: var(--muted); font-size: 12px; }

/* form */
.contact-form { display: grid; gap: 18px; max-width: 560px; }
.contact-form label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; color: var(--muted);
  display: grid; gap: 6px; }
.contact-form input, .contact-form textarea { font-family: var(--font-body); font-size: 16px; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px;
  transition: border-color 150ms var(--ease); }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--accent); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; }
.alert { padding: 14px 18px; border: 1px solid; border-radius: var(--radius); margin-bottom: 24px; }
.alert.ok { border-color: #2F7D46; color: #2F7D46; background: color-mix(in oklab, #2F7D46, transparent 92%); }
.alert.err { border-color: #B3261E; color: #B3261E; background: color-mix(in oklab, #B3261E, transparent 92%); }
.maps { margin-top: 48px; border: 1px solid var(--line); }
.maps iframe { display: block; width: 100%; height: 380px; border: 0; }

/* ürün filtre */
.filter { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 20px; }
.filter a { text-decoration: none; color: var(--muted); padding-bottom: 3px; border-bottom: 2px solid transparent; }
.filter a.on, .filter a:hover { color: var(--accent); border-color: var(--accent); }

/* CTA bandı + alt bilgi */
.cta-band { background: var(--dark); color: var(--dark-ink); padding: 72px 0; }
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-band h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 900; text-transform: uppercase; max-width: 18ch; }
.cta-note { color: var(--dark-muted); margin-top: 12px; }
footer { padding: 40px 0; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--muted); }

/* hareket: "ağır makine" — gizleme yalnız JS varken */
html.js .reveal { opacity: 0; transform: translateY(14px);
  transition: opacity 480ms var(--ease), transform 480ms var(--ease);
  transition-delay: calc(var(--i, 0) * 70ms); }
html.js .reveal.is-set { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
}

/* mobil */
@media (max-width: 900px) {
  .hero-grid, .detail-grid, .sec-head { grid-template-columns: 1fr; }
  .photo { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .plates, .gallery-grid { grid-template-columns: 1fr; }
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .why { grid-template-columns: 1fr; }
  .post-row { grid-template-columns: 1fr; gap: 6px; }
  .ledger-row { grid-template-columns: 90px 1fr; }
  .ledger-row .where { display: none; }
  .ledger-quote { padding-left: 0; }
  .form-row { grid-template-columns: 1fr; }

  .nav-toggle { display: block; font-size: 22px; cursor: pointer; }
  .site-header nav { display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: flex-start; padding: 20px 32px; gap: 16px; }
  .nav-toggle-box:checked ~ nav { display: flex; }
}