/* ==========================================================================
   Serkan Özizmir — İş Antrenörü
   DESIGN.md sürüm 3 uygulaması. Tüm değerler kural kitabından birebir.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. TOKENLAR  (DESIGN.md §1.2, §2.2, §3, §4.1, §5)
   -------------------------------------------------------------------------- */
:root {
  /* Aksan — FLAMA kırmızısı */
  --accent:      #C1121A;
  --accent-lift: #EB1C24;
  --accent-deep: #9E0E15;

  /* Nötr ölçek — referanstan birebir */
  --ink:      #141414;
  --charcoal: #242322;
  --deep:     #1B1A19;
  --dark:     #0D0D0D;
  --muted:    #6D6A66;
  --line:     #ECEAE6;
  --smoke:    #F4F2EF;
  --paper:    #FFFFFF;

  /* Tipografi */
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Poppins", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;

  --fs-hero:   78px;
  --fs-h1:     60px;
  --fs-h2:     46px;
  --fs-h3:     26px;
  --fs-h4:     19px;
  --fs-lead:   18px;
  --fs-body:   16px;
  --fs-small:  14px;
  --fs-kicker: 11.5px;
  --fs-btn:    13px;
  --fs-label:  11.5px;
  --fs-stat:   56px;

  /* Boşluk */
  --space-1: 4px;   --space-2: 8px;    --space-3: 12px;
  --space-4: 16px;  --space-5: 24px;   --space-6: 28px;
  --space-7: 44px;  --space-8: 56px;   --space-9: 76px;
  --space-10: 96px; --space-11: 110px; --space-12: 140px;

  /* Yerleşim */
  --maxw: 1180px;
  --maxw-text: 68ch;
  --pad-x: 28px;

  /* Yüzey */
  --radius: 0;
  --border-hair: 1px solid var(--line);
  --border-strong: 1.25px solid var(--ink);

  /* Hareket */
  --ease-out:  cubic-bezier(.32, .72, 0, 1);
  --ease-soft: cubic-bezier(.16, 1, .3, 1);
  --dur-fast:   .2s;
  --dur-base:   .4s;
  --dur-reveal: .8s;
  --dur-image:  .7s;

  --header-h: 96px;   /* D-58: imza logosu 2 katına çıktı, header'a nefes payı */
}

@media (max-width: 900px) {
  :root {
    --fs-hero: 40px; --fs-h1: 34px; --fs-h2: 28px; --fs-h3: 21px;
    --fs-h4: 18px;  --fs-lead: 17px; --fs-stat: 38px;
    --pad-x: 20px;  --header-h: 74px;
  }
}

/* --------------------------------------------------------------------------
   2. TEMEL
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-body);
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; border-radius: var(--radius); }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 {
  font-family: var(--sans); font-weight: 600;
  font-size: var(--fs-h4); line-height: 1.4; margin: 0;
}

p { margin: 0 0 var(--space-4); text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

/* Vurgu kelimesi: italik + aksan (DESIGN.md §2.3) */
em { white-space: nowrap; }        /* iki kelimelik vurgu satır sonunda bölünmesin */
@media (max-width: 620px) { em { white-space: normal; } }
em, .em {
  font-style: normal;
  color: var(--accent);
  font-weight: inherit;
}

a { color: var(--accent); text-decoration: none; transition: color var(--dur-fast) ease; }
a:hover { color: var(--accent-lift); }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
.on-dark :focus-visible, .site-header :focus-visible, .site-footer :focus-visible {
  outline-color: #fff;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--accent); color: #fff; padding: 12px 20px;
  font-size: var(--fs-btn); letter-spacing: .12em; text-transform: uppercase;
}
.skip-link:focus { left: 0; color: #fff; }

/* --------------------------------------------------------------------------
   3. YERLEŞİM
   -------------------------------------------------------------------------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad-x); }

.section { padding: var(--space-10) 0; }
.section--tight { padding: var(--space-8) 0; }
.section--feature { padding: var(--space-11) 0 var(--space-10); }
.section--smoke { background: var(--smoke); }
.section--dark { background: var(--dark); color: #fff; }

@media (max-width: 900px) {
  .section { padding: var(--space-8) 0; }
  .section--feature { padding: var(--space-8) 0; }
}

.prose { max-width: var(--maxw-text); }

/* Ekran okuyucular için görünmez başlık */
.vh {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-7);
}
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; gap: var(--space-8); } }

/* --------------------------------------------------------------------------
   4. BÖLÜM ANATOMİSİ  (DESIGN.md §4.3)
   -------------------------------------------------------------------------- */
.rule {
  width: 64px; height: 5px;
  background: var(--accent);
  margin: 0 0 var(--space-5);
}
.section--dark .rule { background: var(--accent-lift); }

.kicker {
  font-size: var(--fs-kicker);
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--accent);
  line-height: 1.2;
  margin: 0 0 var(--space-4);
}
.section--dark .kicker { color: var(--accent-lift); }

.sec-head { margin-bottom: var(--space-8); }
.sec-head h2 { max-width: 20ch; }
.sec-head .lead { margin-top: var(--space-5); }

.lead {
  font-size: var(--fs-lead);
  line-height: 1.75;
  max-width: var(--maxw-text);
}
.muted { color: var(--muted); }
.small { font-size: var(--fs-small); }

/* --------------------------------------------------------------------------
   5. LOGO KİLİDİ  (DESIGN.md §6.13)
   -------------------------------------------------------------------------- */
.lockup { display: inline-flex; flex-direction: column; align-items: flex-start; }
.lockup__sig { height: 52px; width: auto; }   /* D-58: 26px → 52px, tam iki katı */
.lockup__bar {
  width: 100%; height: 1px; margin: 8px 0 6px;
  background: rgb(255 255 255 / .25);
}
.lockup__desc {
  font-family: var(--sans);
  font-size: 9.5px; font-weight: 500;
  letter-spacing: .28em; text-transform: uppercase;
  color: rgb(255 255 255 / .8);
  line-height: 1; white-space: nowrap;
}
.lockup--footer .lockup__sig  { height: 32px; }
.lockup--footer .lockup__desc { font-size: 11px; }
.lockup--large .lockup__sig   { height: 56px; }
.lockup--large .lockup__desc  { font-size: 13px; }
.lockup--onlight .lockup__bar  { background: var(--line); }
.lockup--onlight .lockup__desc { color: var(--muted); }

@media (max-width: 900px) {
  .lockup__sig { height: 44px; }
  .lockup--footer .lockup__sig { height: 40px; }
  .lockup--large .lockup__sig { height: 52px; }
  .lockup__desc { font-size: 8.5px; }
}

/* --------------------------------------------------------------------------
   6. BAŞLIK / NAVİGASYON  (DESIGN.md §6.6)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: var(--dark);
  display: flex; align-items: center;
  transition: transform var(--dur-base) var(--ease-out);
}
.site-header.is-hidden { transform: translateY(-100%); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.nav { display: flex; align-items: center; gap: var(--space-6); }
.nav a {
  font-size: 12px; font-weight: 500; letter-spacing: .22em;
  text-transform: uppercase; color: #fff;
  padding: 6px 0; position: relative;
}
.nav a:hover { color: #fff; opacity: .75; }
.nav a[aria-current="page"] { color: #fff; }
.nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--accent-lift);
}
.nav a.is-external::after { content: " ↗"; letter-spacing: 0; }
.nav .btn { padding: 12px 22px; }

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  color: #fff; padding: 10px; width: 44px; height: 44px;
}
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: #fff; margin: 5px 0; transition: var(--dur-fast); }

@media (max-width: 1080px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 0 0;
    background: var(--dark);
    flex-direction: column; justify-content: center; gap: var(--space-6);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
  }
  .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a { font-size: 15px; }
}

/* --------------------------------------------------------------------------
   7. BUTONLAR  (DESIGN.md §6.1)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 16px 30px;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: var(--fs-btn);
  font-weight: 500;
  letter-spacing: .24em;
  text-transform: uppercase;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease, border-color var(--dur-fast) ease;
}
.btn--fill {
  background: var(--accent); color: #fff; border-color: var(--accent-lift);
}
.btn--fill:hover { background: var(--accent-lift); color: #fff; }

.btn--line {
  background: transparent; color: var(--ink); border-color: var(--ink);
}
.btn--line:hover { background: var(--ink); color: #fff; }

.btn--ondark {
  background: transparent; color: #fff; border-color: #fff;
}
.btn--ondark:hover { background: #fff; color: var(--ink); }

.btn-row {
  display: flex; flex-wrap: wrap; gap: var(--space-4);
  align-items: center; margin-top: var(--space-7);
}

.arrowlink {
  font-family: var(--sans);
  font-size: var(--fs-small); font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); display: inline-block;
}
.arrowlink::after { content: "→"; margin-left: .45em; transition: transform var(--dur-fast) var(--ease-out); display: inline-block; }
.arrowlink:hover::after { transform: translateX(4px); }
.section--dark .arrowlink { color: #fff; }

/* --------------------------------------------------------------------------
   8. HERO
   -------------------------------------------------------------------------- */
.hero {
  background: var(--dark); color: #fff;
  padding: var(--space-12) 0 var(--space-11);
  position: relative; overflow: hidden;
}
.hero::after {
  /* FLAMA alev üçgeninin soyut yankısı — logo değil, doku */
  content: ""; position: absolute; right: -6%; bottom: -18%;
  width: 46vw; height: 46vw; max-width: 620px; max-height: 620px;
  background: var(--accent);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  opacity: .07; pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; }
.hero__kicker {
  font-size: var(--fs-kicker); font-weight: 500;
  letter-spacing: .3em; text-transform: uppercase;
  color: rgb(255 255 255 / .7); margin: 0 0 var(--space-6);
  line-height: 1.9;                 /* D-57: uzun unvan satırı sarınca nefes alsın */
}
@media (max-width: 860px) {
  .hero__kicker { letter-spacing: .2em; line-height: 2; }
}
.hero h1 { font-size: var(--fs-hero); max-width: 15ch; }
.hero h1 .h1-cont {
  display: block; margin-top: var(--space-5);
  font-size: var(--fs-lead); font-family: var(--sans);
  font-weight: 300; line-height: 1.75; color: rgb(255 255 255 / .82);
  max-width: 52ch;
}
/* D-63: Hakkımızda hero başlığı.
   Metin bloğu, yanındaki portre yüksekliğinin en fazla %125'i kadar olsun:
   punto fotoğraf sütunuyla birlikte ölçekleniyor, 1180px üstünde 46px'te tavan
   yapıyor. (İkinci cümle .hero__sub içinde normal puntoda — ölçülen oran ~%81-88.
   Tavan 60px'e çıkarılsa bile oran ~%97-104 ile sınırın altında kalıyor.) */
.hero--page h1.hero__q { font-size: calc(var(--fs-h1) * .82); }
@media (min-width: 901px) {
  .hero--page h1.hero__q { font-size: min(46px, calc((100vw - 112px) * .0415)); }
}
.hero__sub {
  margin-top: var(--space-6); max-width: 56ch;
  color: rgb(255 255 255 / .8); font-size: var(--fs-lead);
}
.hero__sub p { margin-bottom: var(--space-4); }

.hero--page { padding: var(--space-11) 0 var(--space-10); }
.hero--page h1 { font-size: var(--fs-h1); max-width: 22ch; }

@media (max-width: 900px) {
  .hero { padding: var(--space-9) 0 var(--space-8); }
  .hero--page { padding: var(--space-8) 0; }
}

/* --------------------------------------------------------------------------
   9. RAKAMLAR ŞERİDİ  (DESIGN.md §6.5)
   -------------------------------------------------------------------------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--space-7);
}
.stat__num {
  font-family: var(--serif); font-weight: 600;
  font-size: var(--fs-stat); line-height: 1;
  letter-spacing: -.01em; color: var(--ink);
  display: block;
}
.stat__label {
  font-size: var(--fs-small); color: var(--muted);
  margin-top: var(--space-3); display: block; line-height: 1.4;
}
@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-7) var(--space-5); }
}

/* --------------------------------------------------------------------------
   10. KARTLAR  (DESIGN.md §6.4)
   -------------------------------------------------------------------------- */
.card {
  background: var(--paper);
  border-radius: var(--radius);
  border: 0;
  box-shadow: none;
}
.card__num {
  font-family: var(--sans); font-size: var(--fs-small);
  font-weight: 500; letter-spacing: .22em; color: var(--accent);
  display: block; margin-bottom: var(--space-3);
}
.card__title { margin-bottom: var(--space-4); }
.card__body { color: var(--ink); }

/* Hizmet kartı */
.svc { border-top: 3px solid var(--accent); padding-top: var(--space-5); }

/* Tek başına duran geniş hizmet kartı (05) */
.svc--wide { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-7); align-items: start; }
.svc--wide .card__img { grid-row: span 5; margin-bottom: 0; position: sticky; top: calc(var(--header-h) + var(--space-5)); }
@media (max-width: 860px) { .svc--wide { grid-template-columns: 1fr; } .svc--wide .card__img { grid-row: auto; position: static; top: auto; } }
.svc h3 { margin-bottom: var(--space-4); }
.svc__block { margin-top: var(--space-6); }
.svc__block h4 {
  font-size: var(--fs-label); font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted); margin-bottom: var(--space-3);
}

/* Problem kartı (Ana Sayfa) */
.problems { display: grid; gap: 0; border-top: var(--border-hair); }
.problem {
  display: grid; grid-template-columns: minmax(0,1fr) auto minmax(0,1fr);
  gap: var(--space-5); align-items: baseline;
  padding: var(--space-5) 0 var(--space-5) var(--space-5);
  border-bottom: var(--border-hair);
  border-left: 3px solid transparent;
  transition: border-color var(--dur-fast) ease, background-color var(--dur-fast) ease;
}
.problem:hover { border-left-color: var(--accent); background: var(--smoke); }
.problem__q { font-weight: 400; color: var(--ink); }
.problem__arrow { color: var(--accent); }
.problem__a { color: var(--muted); font-size: var(--fs-small); }
@media (max-width: 760px) {
  .problem { grid-template-columns: 1fr; gap: var(--space-2); }
  .problem__arrow { display: none; }
}

/* Eğitim kartı */
.course {
  border-top: 3px solid var(--accent);
  padding-top: var(--space-5);
  display: flex; flex-direction: column;
}
.course__no {
  font-size: var(--fs-small); font-weight: 500;
  letter-spacing: .22em; color: var(--muted); margin-bottom: var(--space-3);
}
.course h3 { margin-bottom: var(--space-4); }
.course__q {
  border-left: 2px solid var(--line);
  padding-left: var(--space-4);
  color: var(--muted);
  margin-bottom: var(--space-5);
}
.course__label {
  font-size: var(--fs-label); font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted); margin: var(--space-6) 0 var(--space-3);
}
.course .btn { align-self: flex-start; margin-top: var(--space-6); }

/* --------------------------------------------------------------------------
   11. LİSTELER
   -------------------------------------------------------------------------- */
.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li {
  position: relative; padding-left: 22px; margin-bottom: var(--space-2);
  line-height: 1.65;
}
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .72em;
  width: 8px; height: 1.5px; background: var(--accent);
}

.plainlist { list-style: none; padding: 0; margin: 0; }
.plainlist li { margin-bottom: var(--space-2); }

/* --------------------------------------------------------------------------
   12. TABLO (süre / format)
   -------------------------------------------------------------------------- */
.spec {
  width: 100%; border-collapse: collapse;
  font-size: var(--fs-small); margin-top: var(--space-3);
}
.spec th, .spec td {
  text-align: left; padding: 10px 12px 10px 0;
  border-bottom: var(--border-hair); vertical-align: top;
}
.spec th {
  font-weight: 500; font-size: var(--fs-label);
  letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
}
.spec td:nth-child(2), .spec td:nth-child(3) { white-space: nowrap; color: var(--muted); }
@media (max-width: 620px) {
  .spec, .spec tbody, .spec tr, .spec td { display: block; width: 100%; }
  .spec thead { display: none; }
  .spec tr { border-bottom: var(--border-hair); padding: var(--space-3) 0; }
  .spec td { border: 0; padding: 2px 0; }
  .spec td:first-child { font-weight: 500; }
  .spec td:nth-child(2)::before { content: "Süre: "; color: var(--muted); }
  .spec td:nth-child(3)::before { content: "Katılımcı: "; color: var(--muted); }
}

/* --------------------------------------------------------------------------
   13. SÜREÇ ADIMLARI
   -------------------------------------------------------------------------- */
.steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.step {
  border-top: 3px solid var(--accent);
  background: var(--paper);
  padding: var(--space-6) var(--space-6) var(--space-7);
  box-shadow: 0 1px 2px rgba(20,20,20,.04);
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.step:hover { transform: translateY(-5px); box-shadow: 0 18px 34px rgba(20,20,20,.09); }
.step__icon {
  width: 52px; height: 52px; display: flex; align-items: center; justify-content: center;
  background: rgba(193, 18, 26, .09); color: var(--accent); margin-bottom: var(--space-4);
}
.step__icon svg { width: 26px; height: 26px; }
.step__no {
  font-family: var(--serif); font-size: 34px; line-height: 1;
  color: var(--accent); display: block; margin-bottom: var(--space-3);
}
.step p { text-align: justify; text-justify: inter-word; hyphens: auto; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   14. ZAMAN ÇİZELGESİ (Hakkımızda)
   -------------------------------------------------------------------------- */
.timeline { border-left: 1px solid var(--line); padding-left: var(--space-7); margin-left: 4px; }
.tl-item { position: relative; padding-bottom: var(--space-10); }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: calc(-1 * var(--space-7) - 5px); top: 12px;
  width: 9px; height: 9px; background: var(--accent);
}
.tl-item__date {
  font-size: var(--fs-kicker); font-weight: 500; letter-spacing: .22em;
  text-transform: uppercase; color: var(--accent); margin-bottom: var(--space-3);
}
.tl-item h3 { margin-bottom: var(--space-4); }
@media (max-width: 620px) { .timeline { padding-left: var(--space-5); } .tl-item::before { left: calc(-1 * var(--space-5) - 5px); } }

/* --------------------------------------------------------------------------
   15. MARKA LİSTESİ  (DESIGN.md §6.8)
   -------------------------------------------------------------------------- */
.brands {
  font-size: var(--fs-body); font-weight: 300; color: var(--ink);
  line-height: 2.2; max-width: 62rem;
}
.brands span { white-space: nowrap; }
.brands .sep { color: var(--accent); margin: 0 4px; }

/* --------------------------------------------------------------------------
   16. AÇILIR BÖLÜM  (DESIGN.md §6.9)
   -------------------------------------------------------------------------- */
.more { border-top: var(--border-hair); padding-top: var(--space-7); }
.more > summary {
  list-style: none; cursor: pointer; display: inline-block;
  padding: 16px 30px; border: 1px solid var(--ink);
  font-size: var(--fs-btn); font-weight: 500; letter-spacing: .24em;
  text-transform: uppercase; line-height: 1;
  transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease;
}
.more > summary::-webkit-details-marker { display: none; }
.more > summary:hover { background: var(--ink); color: #fff; }
.more > summary::after { content: " ↓"; }
.more[open] > summary::after { content: " ↑"; }
.more[open] > summary { margin-bottom: var(--space-8); }
.more__body { max-width: var(--maxw-text); }
.more__body p { margin-bottom: var(--space-4); }

/* --------------------------------------------------------------------------
   17. FORM  (DESIGN.md §6.7)
   -------------------------------------------------------------------------- */
.tabs { display: flex; gap: var(--space-6); border-bottom: var(--border-hair); margin-bottom: var(--space-7); }
.tab {
  background: none; border: 0; cursor: pointer;
  font-family: var(--sans); font-size: var(--fs-btn); font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
  padding: 0 0 14px; position: relative;
}
.tab[aria-selected="true"] { color: var(--ink); }
.tab[aria-selected="true"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px;
  height: 2px; background: var(--accent);
}

.field { margin-bottom: var(--space-4); }
.field > label, .field legend {
  display: block; font-size: var(--fs-label); font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
  margin-bottom: var(--space-2); padding: 0;
}
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field textarea {
  width: 100%; padding: 14px 16px;
  border: var(--border-strong); border-radius: var(--radius);
  background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 15px; font-weight: 300;
  transition: box-shadow var(--dur-fast) ease, border-color var(--dur-fast) ease;
}
.field textarea { min-height: 143px; resize: vertical; }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(193 18 26 / .12);
}
.field fieldset { border: 0; padding: 0; margin: 0; }
.choices { display: flex; flex-wrap: wrap; gap: var(--space-5); margin-top: var(--space-2); }
.choice {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-small); font-weight: 300; cursor: pointer;
  text-transform: none; letter-spacing: normal; color: var(--ink);
}
.choice input { accent-color: var(--accent); width: 16px; height: 16px; }
.field .hint { font-size: 13px; color: var(--muted); text-transform: none; letter-spacing: 0; font-weight: 300; }
.field[hidden] { display: none; }

.form-note {
  margin-top: var(--space-5); font-size: 13px; color: var(--muted);
  border-left: 2px solid var(--line); padding-left: var(--space-4);
}

/* --------------------------------------------------------------------------
   18. KANALLAR (yan sütun)
   -------------------------------------------------------------------------- */
.channels { border-top: 3px solid var(--accent); padding-top: var(--space-5); }
.channel { margin-bottom: var(--space-6); }
.channel h3 {
  font-family: var(--sans); font-size: var(--fs-label); font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
  margin-bottom: var(--space-2);
}
.channel p, .channel a { font-size: var(--fs-body); }
.channel--phone p { font-family: var(--serif); font-size: 26px; }

/* --------------------------------------------------------------------------
   19. CTA BLOĞU  (DESIGN.md §6.10)
   -------------------------------------------------------------------------- */
.cta { background: var(--dark); color: #fff; padding: var(--space-11) 0; }
.cta h2 { max-width: 18ch; }
.cta p { color: rgb(255 255 255 / .8); max-width: 52ch; margin-top: var(--space-5); }
@media (max-width: 900px) { .cta { padding: var(--space-9) 0; } }

/* --------------------------------------------------------------------------
   20. FOOTER  (DESIGN.md §6.12)
   -------------------------------------------------------------------------- */
.site-footer { background: var(--dark); color: #fff; padding: var(--space-9) 0 var(--space-7); }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-8);
}
.site-footer h3 {
  font-family: var(--sans); font-size: var(--fs-label); font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase;
  color: rgb(255 255 255 / .55); margin-bottom: var(--space-4);
}
.site-footer a { color: rgb(255 255 255 / .85); font-size: var(--fs-small); }
.site-footer a:hover { color: #fff; }
.site-footer p { color: rgb(255 255 255 / .7); font-size: var(--fs-small); }
.footer-tag { margin-top: var(--space-5); max-width: 34ch; }
.footer-legal {
  margin-top: var(--space-7); padding-top: var(--space-5);
  border-top: 1px solid rgb(255 255 255 / .15);
  display: flex; align-items: center; gap: var(--space-4);
}
.footer-legal img { height: 16px; width: auto; opacity: .6; }
.footer-legal p { font-size: 13px; color: rgb(255 255 255 / .5); margin: 0; }
.footer-bottom {
  margin-top: var(--space-7); padding-top: var(--space-5);
  border-top: 1px solid rgb(255 255 255 / .15);
}
.footer-bottom p { font-size: 13px; color: rgb(255 255 255 / .5); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr; gap: var(--space-7); } }

/* --------------------------------------------------------------------------
   21. HAREKET  (DESIGN.md §5)
   -------------------------------------------------------------------------- */
.rv { opacity: 0; transform: translateY(26px); }
.rv.is-in {
  opacity: 1; transform: none;
  transition: opacity var(--dur-reveal) var(--ease-soft), transform var(--dur-reveal) var(--ease-soft);
}
.rv-d1.is-in { transition-delay: 80ms; }
.rv-d2.is-in { transition-delay: 160ms; }
.rv-d3.is-in { transition-delay: 240ms; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .rv { opacity: 1; transform: none; }
}

/* Yazdırma */
@media print {
  .site-header, .cta, .btn, .nav-toggle { display: none !important; }
  body { color: #000; }
}

/* ==========================================================================
   22. GÖRSEL DİL  (DESIGN.md §7)
   ========================================================================== */

/* --- 22.1 Hero videosu (§7.2) --- */
.hero--video { padding: 0; position: relative; min-height: 88vh; display: flex; align-items: center; }
.hero--video::after { display: none; }          /* üçgen doku video ile birlikte kullanılmaz */

.hero__media {
  position: absolute; inset: 0; overflow: hidden;
  background: var(--dark) center/cover no-repeat;
  background-image: url("../img/hero-poster.jpg");
}
.hero__media video {
  width: 100%; height: 100%; object-fit: cover;
  display: block;
  opacity: 1;                     /* varsayılan görünür — JS bozulsa bile video kaybolmaz */
  transition: opacity .6s var(--ease-out);
}
/* JS yüklenirken kısa süre gizler, kare gelince geri açar */
.hero__media video.is-loading { opacity: 0; }
.hero__media::after {                            /* okunabilirlik örtüsü */
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgb(13 13 13 / .55), rgb(13 13 13 / .82)),
    linear-gradient(90deg, rgb(13 13 13 / .55) 0%, rgb(13 13 13 / .15) 62%);
}
.hero--video .wrap { position: relative; z-index: 1; width: 100%; padding-top: var(--space-9); padding-bottom: var(--space-9); }

@media (max-width: 900px) {
  .hero--video { min-height: 72vh; }
  .hero--video .wrap { padding-top: var(--space-9); padding-bottom: var(--space-8); }
}

/* --- 22.2 Kart görseli (§7.1) --- */
.card__img {
  margin: 0 0 var(--space-5);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--smoke);
}
.card__img img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(.62) contrast(1.04);
  transition: filter var(--dur-image) var(--ease-out),
              transform var(--dur-image) var(--ease-out);
}
.card:hover .card__img img,
.card:focus-within .card__img img {
  filter: saturate(1) contrast(1);
  transform: scale(1.04);
}

/* --- 22.3 Tam genişlik bant (21/9) --- */
.band { overflow: hidden; aspect-ratio: 21 / 9; background: var(--smoke); }
.band img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(.62) contrast(1.04);
}
.band--full { width: 100%; }
@media (max-width: 720px) { .band { aspect-ratio: 16 / 9; } }

/* --- 22.4 Portre (4/5) — tam renk (§7.1) --- */
.portrait { overflow: hidden; aspect-ratio: 4 / 5; background: var(--smoke); margin: 0; }
.portrait img { width: 100%; height: 100%; object-fit: cover; }   /* filtre yok */

.hero__grid {
  display: grid; grid-template-columns: 1.25fr .75fr;
  gap: var(--space-8); align-items: center;
}
@media (max-width: 900px) { .hero__grid { grid-template-columns: 1fr; } .hero__grid .portrait { max-width: 320px; } }

/* --- 22.7 Etkinlik foto galerisi (ızgara + lightbox) --- */
.gallery-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2); margin: var(--space-6) 0 0; max-width: 640px;
}
.gallery-grid__item {
  display: block; width: 100%; aspect-ratio: 1 / 1; overflow: hidden;
  background: var(--smoke); border: 0; padding: 0; margin: 0; cursor: zoom-in;
}
.gallery-grid__item img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(.62) contrast(1.04);
  transition: filter var(--dur-image) var(--ease-out), transform var(--dur-image) var(--ease-out);
}
.gallery-grid__item:hover img,
.gallery-grid__item:focus-visible img { filter: saturate(1) contrast(1); transform: scale(1.05); }
@media (max-width: 480px) { .gallery-grid { gap: var(--space-1); } }

.lightbox {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(13, 13, 13, .94);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-6);
}
.lightbox[hidden] { display: none; }
.lightbox__stage { max-width: 92vw; max-height: 86vh; }
.lightbox__img { display: block; max-width: 92vw; max-height: 86vh; width: auto; height: auto; }
.lightbox__close,
.lightbox__nav {
  position: absolute; border: 0; background: rgba(255, 255, 255, .1); color: #fff;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background var(--dur-fast) ease;
}
.lightbox__close:hover, .lightbox__close:focus-visible,
.lightbox__nav:hover, .lightbox__nav:focus-visible { background: rgba(255, 255, 255, .22); }
.lightbox__close { top: var(--space-5); right: var(--space-5); width: 44px; height: 44px; font-size: 16px; }
.lightbox__nav { top: 50%; transform: translateY(-50%); width: 56px; height: 56px; font-size: 30px; line-height: 1; }
.lightbox__nav--prev { left: var(--space-5); }
.lightbox__nav--next { right: var(--space-5); }
.lightbox__count {
  position: absolute; bottom: var(--space-5); left: 50%; transform: translateX(-50%);
  color: rgba(255, 255, 255, .75); font-size: var(--fs-small); letter-spacing: .05em; margin: 0;
}
@media (max-width: 640px) {
  .lightbox__nav { width: 42px; height: 42px; font-size: 22px; }
  .lightbox__close { width: 36px; height: 36px; font-size: 14px; top: var(--space-4); right: var(--space-4); }
  .lightbox__nav--prev { left: var(--space-4); }
  .lightbox__nav--next { right: var(--space-4); }
}

/* --- 22.5 Zaman çizelgesi görseli --- */
.tl-figure { margin: var(--space-5) 0 0; max-width: 460px; }
.tl-figure img { width: 100%; height: auto; filter: saturate(.62) contrast(1.04); }
.tl-figure figcaption {
  font-size: 13px; color: var(--muted); margin-top: var(--space-2); line-height: 1.5;
}

/* --- 22.6 Hareket tercihi --- */
@media (prefers-reduced-motion: reduce) {
  .card:hover .card__img img { transform: none; }
}

/* ==========================================================================
   23. İÇERİK VİDEOLARI  (DESIGN.md §7.9 — D-54)
   Hero'daki sessiz fon videosundan farklı: kontrollü, sesli, tıkla-oynat.
   ========================================================================== */

/* Video bölümü ile sonraki bölüm arasında çift dolgu oluşmasın */
.section--video { padding-bottom: var(--space-7); }

/* --- 23.1 Büyük oynatıcı (16:9) --- */
.player {
  margin: 0;
  background: var(--dark);
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
}
.player video {
  width: 100%; height: 100%;
  display: block; object-fit: cover;
  background: var(--dark);
}
.player__cap {
  margin-top: var(--space-3);
  font-size: var(--fs-small);
  color: var(--muted);
  line-height: 1.5;
}

/* --- 23.2 Dikey video şeridi (9:16) --- */
.reels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-7);
}
.reel { margin: 0; }
.reel__frame {
  background: var(--dark);
  aspect-ratio: 9 / 16;
  overflow: hidden;
  position: relative;
}
.reel__frame video {
  width: 100%; height: 100%;
  display: block; object-fit: cover;
  background: var(--dark);
}
.reel__cap {
  margin-top: var(--space-3);
  font-family: var(--sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink);
}
.reel__meta {
  display: block;
  font-size: 13px; color: var(--muted); font-weight: 300;
  letter-spacing: normal; margin-top: 2px;
}

@media (max-width: 860px) {
  .reels { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5); }
  .reel__cap { font-size: 13px; }
}
@media (max-width: 520px) {
  .reels { grid-template-columns: 1fr; }
  .reel { max-width: 340px; }
}

/* --- 23.3 Oynat düğmesi (poster üstünde) --- */
.play {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgb(13 13 13 / .28);
  border: 0; cursor: pointer; padding: 0;
  transition: background-color var(--dur-fast) ease;
}
.play:hover { background: rgb(13 13 13 / .12); }
.play__dot {
  width: 68px; height: 68px;
  background: var(--accent);
  display: grid; place-items: center;
  transition: background-color var(--dur-fast) ease, transform var(--dur-fast) var(--ease-out);
}
.play:hover .play__dot { background: var(--accent-lift); transform: scale(1.06); }
.play__dot::before {
  content: ""; width: 0; height: 0;
  border-left: 20px solid #fff;
  border-top: 13px solid transparent;
  border-bottom: 13px solid transparent;
  margin-left: 5px;
}
.play[hidden] { display: none; }
.reel .play__dot { width: 52px; height: 52px; }
.reel .play__dot::before { border-left-width: 15px; border-top-width: 10px; border-bottom-width: 10px; }

@media (prefers-reduced-motion: reduce) {
  .play:hover .play__dot { transform: none; }
}

/* ==========================================================================
   24. EĞİTİM KATALOĞU BAĞLANTISI  (D-60)
   Katalog ana menüden çıktı; Hizmetler sayfasından tam genişlikte bir
   bloka bağlandı. Bütün blok tıklanabilir.
   ========================================================================== */

.katalog-cta {
  display: block; margin-top: var(--space-8);
  padding: var(--space-7) var(--space-7) var(--space-6);
  background: var(--dark); color: #fff;
  border-left: 3px solid var(--accent);
  transition: background var(--dur-base) var(--ease-out);
}
.katalog-cta:hover { background: #161616; color: #fff; }

.katalog-cta__kicker {
  display: block;
  font-family: var(--sans); font-size: var(--fs-kicker); font-weight: 500;
  letter-spacing: .3em; text-transform: uppercase;
  color: var(--accent-lift);
  margin-bottom: var(--space-4);
}
.katalog-cta__title {
  display: block;
  font-family: var(--serif); font-size: var(--fs-h3); line-height: 1.2;
  max-width: 20ch;
}
.katalog-cta__title em { color: var(--accent-lift); font-style: normal; white-space: nowrap; }
.katalog-cta__desc {
  display: block; margin-top: var(--space-4);
  max-width: 56ch; color: rgb(255 255 255 / .78);
  font-size: var(--fs-body);
}
.katalog-cta__go {
  display: inline-block; margin-top: var(--space-5);
  font-family: var(--sans); font-size: var(--fs-btn); font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase;
  color: #fff;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 4px;
  transition: transform var(--dur-base) var(--ease-out);
}
.katalog-cta:hover .katalog-cta__go { transform: translateX(6px); }

@media (max-width: 620px) {
  .katalog-cta { padding: var(--space-6) var(--space-5) var(--space-5); }
}

/* --- 24.1 Bal küpü (honeypot) — Netlify spam filtresi (D-61) --- */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }