@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Outfit:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

/* ==========================================================================
   Yontu Yapı — Ana Tasarım Sistemi
   Konsept: Yontulmuş Geometri (architecture × material × craftsmanship)
   ========================================================================== */

:root {
  /* Marka Renk Tokens */
  --charcoal: #24231F;
  --carbon: #11110F;
  --cut-stone: #E8E1D5;
  --limestone: #F4F0E8;
  --earth-taupe: #9A8D7B;
  --oxide-bronze: #8A6243;

  /* Aliases (Uyum için mevcut değişkenlerin yeni palete eşlenmesi) */
  --ink: var(--charcoal);
  --ink-soft: var(--carbon);
  --gray-700: var(--charcoal);
  --gray-500: var(--earth-taupe);
  --gray-300: var(--earth-taupe);
  --gray-100: var(--cut-stone);
  --paper: var(--limestone);
  --accent: var(--oxide-bronze);
  --accent-dark: var(--oxide-bronze);
  --accent-soft: var(--cut-stone);

  /* Yazı Tipi Aileleri */
  --font-title: "Cormorant Garamond", Georgia, serif;
  --font-ui: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-body: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;

  --wrap: 1200px;
  --gap: 32px;
  --radius: 0px; /* Keskin ve bloklu mimari hissi için border-radius kaldırıldı */
  
  /* SaaS tarzı gölgeler kaldırıldı, malzeme odaklı düz grid yapısı */
  --shadow: none;
  --shadow-lg: none;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--gray-700);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-title);
  margin: 0 0 0.5em;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.6rem, 6.2vw, 4.8rem);
  font-weight: 300;
  line-height: 1.05;
}
h2 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 400;
  line-height: 1.1;
}
h3 {
  font-size: 1.45rem;
  font-weight: 400;
  line-height: 1.2;
}

p {
  margin: 0 0 1.1em;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--accent-dark);
}

img {
  max-width: 100%;
  display: block;
}

/* --- Yardımcı sınıflar ------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: clamp(100px, 12vw, 160px) 0;
}

.section--tint {
  background: var(--gray-100);
}

/* Specification sheet şeridi kendi dikey boşluğunu .stats üzerinden taşır */
.section--sheet {
  padding: 0;
  background: var(--paper);
}

/* Maliyet hesaplayıcı bölümü — üstündeki tint bölümden ayrışması için paper zemin */

.section--ink {
  background: var(--ink);
  color: var(--gray-300);
}

.section--ink h2,
.section--ink h3 {
  color: #fff;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.lede {
  font-size: 1.15rem;
  font-family: var(--font-body);
  color: var(--gray-700);
  opacity: 0.85;
  max-width: 62ch;
}

.section-head {
  max-width: 720px;
  margin-bottom: clamp(50px, 6vw, 80px);
}

/* Yontu Cut - Geometrik İmza Kesik */
.yontu-cut {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: clip-path 0.3s var(--ease);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.btn--primary {
  background: var(--charcoal);
  color: var(--limestone);
  border-color: var(--charcoal);
}

.btn--primary:hover {
  background: transparent;
  color: var(--charcoal);
  border-color: var(--charcoal);
}

.btn--ghost {
  border-color: var(--gray-300);
  color: var(--ink);
  background: transparent;
}

.btn--ghost:hover {
  border-color: var(--ink);
  background: var(--charcoal);
  color: var(--limestone);
}

.btn--light {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
  background: transparent;
}

.btn--light:hover {
  border-color: #fff;
  color: var(--carbon);
  background: #fff;
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* --- Üst menü ----------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(244, 240, 232, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s var(--ease);
}

.site-header.is-stuck {
  border-bottom-color: rgba(154, 141, 123, 0.2);
  background: rgba(244, 240, 232, 0.96);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-family: var(--font-title);
  font-weight: 400;
  font-size: 1.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.logo:hover {
  color: var(--accent);
}

.logo__mark {
  height: 22px; /* logo mark gets smaller as requested */
  width: auto;
  flex: none;
  color: currentColor;
}

.logo__sub {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-top: 3px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 34px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  position: relative;
  color: var(--gray-700);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 6px 0;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.25s var(--ease);
}

.nav__links a:hover,
.nav__links a[aria-current="page"] {
  color: var(--accent);
}

.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after {
  width: 100%;
}

.nav__cta {
  padding: 10px 20px;
  font-size: 0.78rem;
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}

.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  position: absolute;
}

.nav__toggle span::before {
  transform: translateY(-6px);
}
.nav__toggle span::after {
  transform: translateY(6px);
}

.nav__toggle[aria-expanded="true"] span {
  background: transparent;
}
.nav__toggle[aria-expanded="true"] span::before {
  transform: rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span::after {
  transform: rotate(-45deg);
}

/* --- Hero --------------------------------------------------------------- */

.hero {
  position: relative;
  padding: clamp(70px, 11vw, 140px) 0 clamp(60px, 8vw, 100px);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 70px);
  align-items: center;
}

.hero h1 {
  margin-bottom: 22px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero__visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 5;
}

.hero__visual svg {
  width: 100%;
  height: 100%;
}

/* İstatistik şeridi — tek tanım için "Specification Sheet" bölümüne bakınız */

/* --- Sayfa başlığı (iç sayfalar) ---------------------------------------- */

.page-head {
  background: var(--ink);
  color: var(--gray-300);
  padding: clamp(56px, 8vw, 96px) 0 clamp(50px, 7vw, 84px);
}

.page-head h1 {
  color: #fff;
  font-size: clamp(2.1rem, 4.4vw, 3.3rem);
}

.page-head .lede {
  color: rgba(255, 255, 255, 0.66);
  margin-bottom: 0;
}

.crumbs {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 20px;
}

.crumbs a {
  color: rgba(255, 255, 255, 0.75);
}

.crumbs a:hover {
  color: #fff;
}

/* --- Kart ızgaraları ----------------------------------------------------- */

.grid {
  display: grid;
  gap: var(--gap);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: transparent;
  border: 1px solid var(--gray-300);
  border-radius: 0px;
  padding: 44px 34px;
  transition: all 0.3s var(--ease);
}

.card:hover {
  border-color: var(--accent);
  background: rgba(232, 225, 213, 0.25); /* Subtle warmth of Cut Stone */
}

.card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 24px;
}

.card__icon svg {
  width: 23px;
  height: 23px;
}

.card p:last-child {
  margin-bottom: 0;
  font-size: 0.97rem;
}

/* --- Proje kartları ------------------------------------------------------ */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 50px;
}

.filter {
  padding: 8px 18px;
  border: 1px solid var(--gray-300);
  border-radius: 0px;
  background: transparent;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-700);
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.filter:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.filter.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.project {
  position: relative;
  display: block;
  border-radius: 0px;
  overflow: hidden;
  background: transparent;
  color: inherit;
  margin-bottom: 20px;
}

.project:hover {
  color: inherit;
}

.project__img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  transition: clip-path 0.4s var(--ease);
}

.project__img svg,
.project__img img {
  width: 100%;
  height: 100%;
  transition: transform 0.6s var(--ease);
}

.project:hover .project__img {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.project:hover .project__img svg,
.project:hover .project__img img {
  transform: scale(1.04);
}

.project__body {
  padding: 20px 0 10px;
  background: transparent;
  border: 0;
}

.project__meta {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}

.project h3 {
  font-family: var(--font-title);
  margin: 10px 0 6px;
  font-size: 1.55rem;
  font-weight: 400;
}

.project__loc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--gray-500);
  margin: 0;
}

.project[hidden] {
  display: none;
}

/* --- Süreç adımları ------------------------------------------------------ */

.steps {
  counter-reset: step;
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(4, 1fr);
}

.step {
  padding-top: 26px;
  border-top: 2px solid rgba(255, 255, 255, 0.16);
}

.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 14px;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* --- İki sütunlu içerik --------------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.split__visual {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 1 / 1;
}

.split__visual svg {
  width: 100%;
  height: 100%;
}

.ticks {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.ticks li {
  position: relative;
  padding-left: 32px;
  font-size: 1rem;
}

.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 16px;
  height: 9px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* --- CTA şeridi ----------------------------------------------------------- */

.cta {
  background: var(--carbon);
  color: var(--limestone);
  padding: clamp(74px, 10vw, 120px) 0;
}

.cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta h2 {
  font-family: var(--font-title);
  font-weight: 300;
  font-size: 2.6rem;
  color: var(--limestone);
  margin: 0;
  max-width: 22ch;
  line-height: 1.1;
}

.cta p {
  color: rgba(244, 240, 232, 0.7);
  font-family: var(--font-body);
  margin: 14px 0 0;
  max-width: 48ch;
}

.cta .btn {
  background: var(--limestone);
  color: var(--charcoal);
  border-color: var(--limestone);
  flex: none;
}

.cta .btn:hover {
  background: transparent;
  color: var(--limestone);
  border-color: var(--limestone);
}

/* --- İletişim ------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(32px, 5vw, 68px);
  align-items: start;
}

.info-block {
  padding: 24px 0;
  border-bottom: 1px solid var(--gray-300);
}

.info-block:first-of-type {
  padding-top: 0;
}

.info-block h3 {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 8px;
  font-weight: 600;
}

.info-block p {
  margin: 0;
  font-size: 1.05rem;
  color: var(--ink);
}

.form {
  background: transparent;
  padding: 0;
  border: none;
}

.field {
  margin-bottom: 28px;
}

.field label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 8px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 0;
  border: none;
  border-bottom: 1px solid var(--gray-300);
  border-radius: 0px;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
  transition: border-color 0.2s var(--ease);
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
  box-shadow: none;
}

.field__error {
  display: none;
  font-size: 0.85rem;
  color: #c0392b;
  margin-top: 6px;
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: #c0392b;
}

.field.has-error .field__error {
  display: block;
}

.form__note {
  font-size: 0.87rem;
  color: var(--gray-500);
  margin: 16px 0 0;
}

.form__success {
  display: none;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: #e8f5ec;
  border: 1px solid #b7dfc4;
  color: #1e6b38;
  font-size: 0.95rem;
  margin-bottom: 22px;
}

.form__success.is-visible {
  display: block;
}

.row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.map-placeholder {
  margin-top: 26px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-300);
  aspect-ratio: 16 / 9;
}

.map-placeholder svg {
  width: 100%;
  height: 100%;
}

/* --- SSS ------------------------------------------------------------------ */

.faq {
  border-top: 1px solid var(--gray-300);
}

.faq__item {
  border-bottom: 1px solid var(--gray-300);
}

.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  background: none;
  border: 0;
  font: inherit;
  font-size: 1.06rem;
  font-weight: 600;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.faq__q::after {
  content: "";
  flex: none;
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg) translate(-3px, -3px);
  transition: transform 0.25s var(--ease);
}

.faq__q[aria-expanded="true"]::after {
  transform: rotate(225deg) translate(-3px, -3px);
}

.faq__a {
  display: none;
  padding-bottom: 26px;
  max-width: 74ch;
}

.faq__a p {
  margin: 0;
}

.faq__item.is-open .faq__a {
  display: block;
}

/* --- Alt bilgi ------------------------------------------------------------ */

.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.6);
  padding: clamp(52px, 7vw, 84px) 0 34px;
  font-size: 0.95rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--gap);
  padding-bottom: 46px;
}

.site-footer .logo {
  color: #fff;
  margin-bottom: 18px;
}

.site-footer .logo:hover {
  color: #fff;
}

.site-footer h4 {
  color: #fff;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.footer__list a {
  color: rgba(255, 255, 255, 0.6);
}

.footer__list a:hover {
  color: #fff;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.42);
}

/* --- Açılış animasyonu (yalnızca ana sayfa, oturumda bir kez) -------------
   Katman JS tarafından <html>'e "intro-active" eklenerek açılır. JS yoksa ya da
   kullanıcı hareket azaltma istiyorsa hiç görünmez — içerik asla perde arkasında
   kalmaz. */

.intro {
  display: none;
}

.intro-active .intro {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 200;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 26px;
  background: var(--gray-100);
  animation: introOut 0.55s var(--ease) 1.25s forwards;
}

.intro-active {
  overflow: hidden;
}

.intro__mark {
  height: clamp(96px, 17vh, 168px);
  width: auto;
  color: var(--ink);
}

/* Monogramın çizgileri sırayla çizilir */
.intro__mark path {
  stroke-dasharray: 120;
  stroke-dashoffset: 120;
  animation: introDraw 0.85s var(--ease) forwards;
}

.intro__mark path:nth-child(2) {
  animation-delay: 0.12s;
}
.intro__mark path:nth-child(3) {
  animation-delay: 0.24s;
}

.intro__word {
  font-size: clamp(0.82rem, 2.2vw, 1.05rem);
  font-weight: 500;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0;
  animation: introWord 0.7s var(--ease) 0.55s forwards;
}

@keyframes introDraw {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes introWord {
  from {
    opacity: 0;
    letter-spacing: 0.34em;
  }
  to {
    opacity: 1;
    letter-spacing: 0.5em;
  }
}

@keyframes introOut {
  to {
    opacity: 0;
    visibility: hidden;
  }
}

/* --- Görünürlük animasyonu ------------------------------------------------ */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html:not(.motion-on) * {
    animation: none !important;
    transition: none !important;
  }
  html:not(.motion-on) .reveal {
    opacity: 1;
    transform: none;
  }
  html:not(.motion-on) html {
    scroll-behavior: auto;
  }
}

/* --- Duyarlı düzen -------------------------------------------------------- */

@media (max-width: 980px) {
  .hero__grid,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    aspect-ratio: 16 / 10;
    order: -1;
  }

  .grid--3,
  .grid--4,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 38px;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__cta,
  .nav__cta-text {
    display: none;
  }

  .nav__links {
    position: fixed;
    inset: 84px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--gray-300);
    padding: 8px 24px 24px;
    box-shadow: var(--shadow);
    display: none;
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__links li {
    border-bottom: 1px solid var(--gray-100);
  }

  .nav__links a {
    display: block;
    padding: 16px 0;
    font-size: 1.05rem;
  }

  .nav__links a::after {
    display: none;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .grid--2,
  .grid--3,
  .grid--4,
  .steps,
  .row-2 {
    grid-template-columns: 1fr;
  }

  .cta__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Yontu Yapı — Yeni Nesil Premium Arayüz Elemanları
   ========================================================================== */

/* --- Proje Filtreleme Yumuşaklığı --- */
.project {
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.project.is-hidden {
  opacity: 0;
  transform: scale(0.92) translateY(15px);
  pointer-events: none;
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  margin: 0;
  padding: 0;
  border: 0;
}

/* --- FAQ Akordeon Yumuşaklığı --- */
.faq__a {
  display: block !important; /* JS ile max-height kontrol edeceğimiz için görünür olmalıdır */
  max-height: 0;
  overflow: hidden;
  padding-bottom: 0;
  transition: max-height 0.3s var(--ease), padding-bottom 0.3s var(--ease);
}

.faq__item.is-open .faq__a {
  padding-bottom: 26px;
}

/* --- Başarı ve Hata Bildirimleri --- */
.form {
  position: relative;
}

.form__success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
  padding: 40px 20px;
  border-radius: var(--radius);
  background: #EAF6EE;
  border: 1px solid #C3E7D1;
  color: #1A5336;
  margin-bottom: 22px;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.35s var(--ease), max-height 0.35s var(--ease), padding 0.35s var(--ease);
}

.form__success.is-visible {
  opacity: 1;
  max-height: 350px;
  padding: 40px 20px;
}

.form__success-icon {
  width: 60px;
  height: 60px;
  background: #D1ECD9;
  color: #27AE60;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.form__success-icon svg {
  width: 32px;
  height: 32px;
  stroke-dasharray: 50;
  stroke-dashoffset: 50;
  animation: drawCheck 0.4s ease forwards 0.2s;
}

@keyframes drawCheck {
  to {
    stroke-dashoffset: 0;
  }
}

/* Rule 09: hata durumu da düz kalır — kutu parıltısı yok, yalnızca alt çizgi rengi */
.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-bottom-color: #D32F2F;
  box-shadow: none;
}

.field__error {
  color: #D32F2F;
  font-size: 0.82rem;
  font-weight: 500;
  margin-top: 5px;
}

/* ==========================================================================
   Yontu Yapı — Scrolltelling Animasyon & Düzen Stilleri
   ========================================================================== */

/* --- 3. Dört Adım (Pinned Narrative & SVG Layers) --- */
.steps-scroll {
  position: relative;
  height: 500vh; /* 4 adım × ~125vh kaydırma payı */
  background: var(--charcoal);
  color: #fff;
}

.steps-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.steps-visual {
  position: relative;
  height: 100%;
  background: var(--carbon); /* Deepest dark contrast */
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid rgba(255, 255, 255, 0.03);
  padding: 40px;
}

.steps-graphic-layer {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  pointer-events: none;
}

.steps-graphic-layer.is-active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.steps-graphic-layer svg {
  width: 100%;
  height: 100%;
  max-width: 420px;
  max-height: 420px;
}

/* SVG dynamic animations */
.steps-graphic-layer.is-active path.draw-path {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: svgDraw 1.6s ease-out forwards;
}

@keyframes svgDraw {
  to {
    stroke-dashoffset: 0;
  }
}

.steps-content-col {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 12%;
  overflow: hidden;
}

.step-card {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0.15;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.step-card.is-active {
  opacity: 1;
  transform: none;
}

.step-card h3 {
  color: var(--limestone);
  font-family: var(--font-title);
  font-weight: 300;
  font-size: 2.4rem;
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}

.step-card p {
  font-family: var(--font-body);
  color: rgba(244, 240, 232, 0.7);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 44ch;
}

/* Mobil: bölüm pinlenmez; teknik çizim paneli yapışkan kalır ve kartlar
   altından akar. Aktif adımı JS kart konumundan hesaplar. */
@media (max-width: 980px) {
  .steps-scroll {
    height: auto;
  }
  .steps-sticky {
    position: relative;
    height: auto;
    display: block;
    overflow: visible; /* sticky çocuk için şart */
  }
  .steps-visual {
    position: sticky;
    top: 84px;
    height: 40vh;
    min-height: 260px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 16px;
    z-index: 1;
  }
  .steps-graphic-layer {
    padding: 28px;
  }
  .steps-content-col {
    display: block;
    height: auto;
    padding: 0 8% 48px;
    overflow: visible;
  }
  .step-card {
    height: auto;
    min-height: 62vh;
    padding: 40px 0;
  }
  .step-card h3 {
    font-size: 1.9rem;
  }
}

/* --- Yontu Refined Elements --- */

/* Rule 01/13: Ağır buton yerine sade tipografik CTA.
   Hover'da yalnızca underline açılır ve ok birkaç px kayar — blok hareket etmez,
   böylece header sessiz kalır ve YONTU wordmark'ın önüne geçmez. */
.nav__cta-text,
.text-link {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--charcoal);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: color 0.25s var(--ease);
}

.nav__cta-text > span,
.text-link > span {
  position: relative;
  display: inline-block;
  padding-bottom: 3px;
}

/* Underline expansion */
.nav__cta-text > span::after,
.text-link > span::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease);
}

.nav__cta-text:hover > span::after,
.nav__cta-text:focus-visible > span::after,
.text-link:hover > span::after,
.text-link:focus-visible > span::after {
  width: 100%;
}

/* Ok yalnızca kendi başına kayar — maksimum 3px */
.nav__cta-text::after,
.text-link::after {
  content: "\2192";
  margin-left: 10px;
  transition: transform 0.25s var(--ease);
}

.nav__cta-text:hover,
.nav__cta-text:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  color: var(--accent);
}

.nav__cta-text:hover::after,
.nav__cta-text:focus-visible::after,
.text-link:hover::after,
.text-link:focus-visible::after {
  transform: translateX(3px);
}

.nav__cta-text:focus-visible,
.text-link:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 6px;
}

/* Mobilde header yalnızca wordmark + hamburger kalır.
   Bu kural yukarıdaki display tanımından SONRA gelmek zorunda. */
@media (max-width: 760px) {
  .nav__cta-text {
    display: none;
  }
}

/* Stats — Architectural Specification Sheet
   Kart yok; ince çizgiler, küçük metadata ve sol hizalı grid sistemi. */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--gray-300);
  border-bottom: 1px solid var(--gray-300);
  background: transparent;
  width: 100%;
  margin: clamp(64px, 8vw, 104px) 0;
}

.stat {
  padding: 38px 34px 40px 0;
  border-right: 1px solid var(--gray-300);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.stat + .stat {
  padding-left: 34px;
}

.stat:last-child {
  border-right: none;
}

/* Küçük teknik metadata — sayıdan önce gelen indeks */
.stat__index {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}

.stat__num {
  font-family: var(--font-ui);
  font-size: clamp(2rem, 3.2vw, 2.6rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--charcoal);
  margin-bottom: 14px;
}

.stat__label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-500);
  line-height: 1.5;
  max-width: 18ch;
}

/* Services section Interactive Split */
.services-interactive {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: start;
  width: 100%;
}

.service-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--gray-300);
}

.service-list__item {
  padding: 30px 0;
  border-bottom: 1px solid var(--gray-300);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: inherit;
  text-decoration: none;
  transition: padding-left 0.3s var(--ease);
}

.service-list__item.is-active {
  padding-left: 16px;
}

.service-list__item:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 4px;
}

.service-list__num {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--earth-taupe);
  margin-right: 28px;
  flex: none;
}

/* Rule 11: mimari liste Outfit ile kurulur; güç scale/tracking/space'ten gelir */
.service-list__title {
  font-family: var(--font-ui);
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--charcoal);
  flex-grow: 1;
  transition: color 0.3s var(--ease);
}

.service-list__item.is-active .service-list__title {
  color: var(--accent);
}

.service-list__arrow {
  font-size: 1.5rem;
  color: var(--earth-taupe);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}

.service-list__item.is-active .service-list__arrow {
  transform: translateX(6px);
  color: var(--accent);
}

.service-visual-panel {
  position: sticky;
  top: 140px;
  height: 520px;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--gray-300);
}

.service-visual__img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: background-image 0.4s ease-in-out, transform 0.8s var(--ease);
}

.service-visual-panel:hover .service-visual__img {
  transform: scale(1.03);
}

/* Why us section grid */
.why-us-visual {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 480px;
  border: 1px solid var(--gray-300);
  overflow: hidden;
}

.why-us-img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s var(--ease);
}

.why-us-visual:hover .why-us-img {
  transform: scale(1.03);
}

.tech-spec-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  border-top: 1px solid var(--gray-300);
  padding-top: 30px;
}

.tech-spec-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.tech-spec-num {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 6px;
}

.tech-spec-item h3 {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--charcoal);
  margin-bottom: 8px;
}

.tech-spec-item p {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--gray-500);
  margin: 0;
  line-height: 1.6;
}

/* Team section specification sheet */
.team-spec-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--gray-300);
  border-bottom: 1px solid var(--gray-300);
}

.team-spec-item {
  padding: 40px 30px;
  border-right: 1px solid var(--gray-300);
  text-align: left;
}

.team-spec-item:last-child {
  border-right: none;
}

.team-spec-item h3 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--charcoal);
  margin-bottom: 12px;
}

.team-spec-num {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
}

.team-spec-item p {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* Image Project visual refinements */
.project__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

/* Responsive adjustments for new layouts */
@media (max-width: 768px) {
  .hero-content-reveal__inner {
    grid-column: 1 / span 12;
  }
  .stats {
    grid-template-columns: 1fr 1fr;
    margin: clamp(48px, 10vw, 72px) 0;
  }
  .stat {
    border-bottom: 1px solid var(--gray-300);
    padding: 28px 22px 30px 0;
  }
  .stat + .stat {
    padding-left: 22px;
  }
  .stat:nth-child(2n + 1) {
    padding-left: 0;
  }
  .stat:nth-child(2n) {
    border-right: none;
  }
  .stat:nth-child(3), .stat:nth-child(4) {
    border-bottom: none;
  }
  .stat__index {
    margin-bottom: 16px;
  }
  /* Mobil before/after: sabit yükseklikler 100dvh'yi taşırıp fotoğrafı
     kırpıyordu. Metin doğal yüksekliğini alır, görsel kalan alanın
     tamamını doldurur — böylece fotoğraf her ekranda mümkün olan en
     büyük alanda kalır ve hiç kırpılmaz. */
  .ba-layout-grid {
    display: flex;
    flex-direction: column;
  }
  .ba-text-side {
    flex: 0 0 auto;
    padding: 32px 24px 24px;
  }
  /* min-height şart: görselin kendi içeriği yok (çocukları absolute),
     kapsayıcı auto yükseklikteyken (hareket azaltma modu) 0'a çökerdi. */
  .ba-visual-side {
    flex: 1 1 auto;
    min-height: 46vh;
  }
  .ba-text-side h2 {
    margin-bottom: 12px;
  }
  .ba-desc {
    margin-bottom: 0;
  }
  .ba-label {
    bottom: 3vh;
    padding: 6px 12px;
    font-size: 0.62rem;
  }
  .services-interactive {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .service-visual-panel {
    position: relative;
    top: 0;
    height: 300px;
  }
  .tech-spec-list {
    grid-template-columns: 1fr;
  }
  .team-spec-list {
    grid-template-columns: 1fr;
  }
  .team-spec-item {
    border-right: none;
    border-bottom: 1px solid var(--gray-300);
    padding: 30px 10px;
  }
  .team-spec-item:last-child {
    border-bottom: none;
  }
}



/* ==========================================================================
   Hareket Azaltma — Pinned Bölümlerin Statik Karşılıkları
   Bu blok dosyanın SONUNDA durmalıdır: scrolltelling kuralları ile aynı
   specificity'ye sahip olduğu için yalnızca sonradan geldiğinde kazanır.
   JS bu modda scrolltelling motorunu hiç başlatmaz; dolayısıyla pinlenen
   bölümler statik düzene döner.
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {

  /* Adımlar: 500vh boş kaydırma ve %15 opaklıkta okunamayan kartlar yerine
     dört çizim + dört adımın tamamı okunur biçimde listelenir. */
  html:not(.motion-on) .steps-scroll {
    height: auto;
  }
  html:not(.motion-on) .steps-sticky {
    position: static;
    height: auto;
    display: block;
    overflow: visible;
  }
  html:not(.motion-on) .steps-visual {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    height: auto;
    min-height: 0;
    padding: 48px 6%;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  html:not(.motion-on) .steps-graphic-layer {
    position: relative;
    inset: auto;
    opacity: 1;
    transform: none;
    padding: 0;
    aspect-ratio: 1 / 1;
    pointer-events: auto;
  }
  html:not(.motion-on) .steps-content-col {
    display: block;
    height: auto;
    padding: 48px 6%;
    overflow: visible;
  }
  html:not(.motion-on) .step-card {
    height: auto;
    min-height: 0;
    opacity: 1;
    transform: none;
    padding: 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  html:not(.motion-on) .step-card:first-child {
    border-top: 0;
  }
}
/* ==========================================================================
   CANLI SAHNE — tam ekran, 5 panelli tek kompozisyon
   Dilimleme ve animasyon yapısı korundu: tek görsel background-size:500% 100%
   ile beşe bölünür, her kart kendi background-position dilimini alır.
   Hover'da kart genişler, kardeşleri kararır, sis çekilir.
   Mobilde eksen döner (100% 500%).
   ========================================================================== */

.section--live-scene {
  position: relative;
  height: 100vh;
  height: 100svh;
  padding: 0;
  overflow: hidden;
  background: #0b0a09;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* Başlık sahnenin üstüne biner */
.live-scene-header {
  position: absolute;
  top: clamp(40px, 8vh, 92px);
  left: clamp(24px, 6vw, 88px);
  right: clamp(24px, 6vw, 88px);
  z-index: 5;
  pointer-events: none;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.7);
}

.live-scene-header .eyebrow {
  color: #d8a06a;
  margin-bottom: 12px;
}

.live-scene-header h2 {
  color: #fff;
  margin: 0;
  font-size: clamp(1.9rem, 4.2vw, 3.4rem);
  font-weight: 300;
  letter-spacing: -0.015em;
}

.scene-board-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

/* --- Sinematik sis katmanları (seçim yokken devrede) --- */

.scene-fog-overlay {
  position: absolute;
  inset: -50% -100%;
  z-index: 3;
  pointer-events: none;
  background:
    radial-gradient(circle at 35% 25%, rgba(255, 255, 255, 0.045) 0%, transparent 40%),
    radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 10% 85%, rgba(255, 255, 255, 0.03) 0%, transparent 35%);
  opacity: 0.9;
  mix-blend-mode: screen;
  animation: drift-fog-left 38s infinite linear;
  transition: opacity 0.8s var(--ease);
}

.scene-fog-overlay.secondary {
  animation: drift-fog-right 52s infinite linear;
  opacity: 0.55;
}

/* Seçim yapılınca sis çekilir */
.scene-board-container:hover .scene-fog-overlay {
  opacity: 0.25;
}

@keyframes drift-fog-left {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-6%, 3%, 0) scale(1.08); }
  100% { transform: translate3d(0, 0, 0) scale(1); }
}

@keyframes drift-fog-right {
  0% { transform: translate3d(0, 0, 0) scale(1.05); }
  50% { transform: translate3d(7%, -4%, 0) scale(1); }
  100% { transform: translate3d(0, 0, 0) scale(1.05); }
}

/* --- Panel dizilimi --- */

.scene-board {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  width: 100%;
  height: 100%;
}

.scene-card {
  position: relative;
  flex: 1;
  height: 100%;
  min-width: 0;
  display: block;
  color: inherit;
  text-decoration: none;
  background-image: url("../media/yontu-sahne-mermer-v2.webp");
  background-size: 500% 100%;
  background-repeat: no-repeat;
  border-right: 1px solid rgba(255, 255, 255, 0.07);
  transition: flex 0.7s cubic-bezier(0.16, 1, 0.3, 1), filter 0.7s var(--ease);
  will-change: flex;
}

.scene-card:last-child {
  border-right: 0;
}

/* Dilim konumları — panel sırası: cephe, iç mekân, mutfak, banyo-hamam, mezar-anıt */
.card-mermer { background-position: 0% 0%; }
.card-cephe { background-position: 25% 0%; }
.card-tesisat { background-position: 50% 0%; }
.card-boya { background-position: 75% 0%; }
.card-zemin { background-position: 100% 0%; }

/* Okunurluk perdesi */
.card-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(to top, rgba(8, 7, 6, 0.9) 0%, rgba(8, 7, 6, 0.25) 42%, transparent 70%);
  transition: background 0.6s var(--ease);
}

.card-glow {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(to top, rgba(216, 160, 106, 0.22), transparent 55%);
  transition: opacity 0.6s var(--ease);
}

/* Bir karta gelince kardeşleri geri çekilir */
.scene-board:hover .scene-card {
  filter: brightness(0.42) saturate(0.75);
}

.scene-board:hover .scene-card .card-overlay {
  background: linear-gradient(to top, rgba(8, 7, 6, 0.95) 0%, rgba(8, 7, 6, 0.5) 60%, rgba(8, 7, 6, 0.2) 100%);
}

.scene-board .scene-card:hover {
  flex: 2.2;
  filter: brightness(1.04) saturate(1.05);
}

.scene-board .scene-card:hover .card-overlay {
  background: linear-gradient(to top, rgba(8, 7, 6, 0.92) 0%, rgba(8, 7, 6, 0.2) 55%, transparent 78%);
}

.scene-board .scene-card:hover .card-glow {
  opacity: 1;
}

/* --- Kart içeriği --- */

.card-content {
  position: absolute;
  z-index: 4;
  left: clamp(16px, 1.6vw, 30px);
  right: clamp(16px, 1.6vw, 30px);
  bottom: clamp(26px, 5vh, 54px);
  display: block;
}

/* Numara ve başlık her zaman görünür — kartın altına demirlenir. */
.card-num {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 8px;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.7);
}

.card-baslik {
  display: block;
  font-family: var(--font-title);
  font-size: clamp(1.1rem, 1.5vw, 1.55rem);
  font-weight: 300;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 0;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.65);
  transition: margin-bottom 0.5s var(--ease);
}

.scene-card:hover .card-baslik,
.scene-card:focus-visible .card-baslik {
  margin-bottom: 14px;
}

/* Açıklama ve bağlantı yalnızca hover/odakta açılır. max-height ile
   açıldığı için kapalıyken yer kaplamaz; başlık dipte kalır, sıçrama olmaz. */
.card-desc,
.card-link {
  display: block;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transform: translateY(10px);
  transition: opacity 0.45s var(--ease), max-height 0.55s var(--ease),
    transform 0.45s var(--ease);
}

.card-desc {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: 14px;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.6);
}

.card-link {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #d8a06a;
  transition-delay: 0.06s;
}

.scene-card:hover .card-desc,
.scene-card:hover .card-link,
.scene-card:focus-visible .card-desc,
.scene-card:focus-visible .card-link {
  opacity: 1;
  max-height: 14em;
  transform: none;
}

.scene-card:focus-visible {
  outline: 2px solid #d8a06a;
  outline-offset: -4px;
}

/* --- Görsel yüklenemezse: yazılar geri açılır, sahne boş kalmaz --- */

/* Görsel yüklenemezse paneller koyu taş dokusuna düşer; başlık ve numara
   zaten görünür olduğu için sahne okunur kalır, açıklamalar da açılır. */
.sahne-gorselsiz .scene-card {
  background-image: none;
  background-color: #1a1714;
}

.sahne-gorselsiz .card-desc,
.sahne-gorselsiz .card-link {
  opacity: 1;
  max-height: 14em;
  transform: none;
}

.sahne-gorselsiz .card-baslik {
  margin-bottom: 14px;
}

/* --- Mobil: eksen döner, paneller alt alta --- */

@media (max-width: 980px) {
  .section--live-scene {
    height: auto;
    min-height: 100svh;
  }
  .live-scene-header {
    position: relative;
    top: 0;
    left: 0;
    right: 0;
    padding: clamp(56px, 9vh, 90px) 24px clamp(24px, 4vh, 40px);
  }
  .scene-board-container {
    position: relative;
    inset: auto;
  }
  .scene-board {
    position: relative;
    inset: auto;
    flex-direction: column;
    height: auto;
  }
  /* Görsel YATAY 5 panelli tek kompozisyon. Mobilde kartlar alt alta gelse de
     dilimleme yatay kalmalı: 500% auto ile görsel kart genişliğinin 5 katına
     ölçeklenir, her kart kendi panelini kırpar. (Dikey dilimleme —100% 500%—
     panelleri değil, beşinin ortasından geçen bir şeridi gösterirdi.)
     Dikey konum %10: başlık şeridi kadrajda kalsın. */
  .scene-card {
    flex: none;
    height: 42svh;
    min-height: 300px;
    background-size: 500% auto;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .card-mermer { background-position: 0% 10%; }
  .card-cephe { background-position: 25% 10%; }
  .card-tesisat { background-position: 50% 10%; }
  .card-boya { background-position: 75% 10%; }
  .card-zemin { background-position: 100% 10%; }

  /* Dokunmatikte hover yok: içerik hep açık, kararma kapalı */
  .scene-board:hover .scene-card {
    filter: none;
  }
  .scene-board .scene-card:hover {
    flex: none;
  }
  /* Dokunmatikte hover yok → açıklamalar baştan açık */
  .card-desc,
  .card-link {
    opacity: 1;
    max-height: 14em;
    transform: none;
  }
  .card-baslik {
    margin-bottom: 14px;
  }
}

/* Hareket azaltma: sis ve genişleme durur */
@media (prefers-reduced-motion: reduce) {
  html:not(.motion-on) .scene-fog-overlay {
    animation: none;
    opacity: 0.35;
  }
  html:not(.motion-on) .scene-card {
    transition: none;
  }
  html:not(.motion-on) .card-desc,
  html:not(.motion-on) .card-link {
    opacity: 1;
    max-height: 14em;
    transform: none;
  }
}
/* ==========================================================================
   SCROLL-SCRUB SAHNELERİ  (ham → yontu → dönüşüm → tezgâh → salon)
   erenler-maden kalıbının Yontu Yapı uyarlaması. Sınıf adları bilerek birebir
   aynı tutuldu (.blok-stage / .fullbleed / .blok-overlay / .scene-caption /
   .scroll-cue) — iki proje aynı ekiple bakılıyor.
   ========================================================================== */

.media-placeholder {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 20% 10%, #2a2621 0%, transparent 55%),
    linear-gradient(160deg, #1c1a17, #12100e 70%);
}

.media-placeholder > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

canvas.scrub {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
}

/* Kareler geldiğinde alttaki yedek fotoğraf gizlenir */
.media-placeholder.has-scrub > img {
  opacity: 0;
}

/* --- Pinlenen tam ekran sahne --- */

.blok-stage {
  position: relative;
  padding: 0;
  margin: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  background: #12100e; /* kareler yüklenene dek koyu zemin, açık flaş olmasın */
}

.blok-stage .fullbleed {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  margin: 0; /* <figure> varsayılan 40px margin'ini sıfırla */
  padding: 0;
}

/* Okunurluk için üstten ve alttan çok yumuşak karartma */
.blok-stage .fullbleed::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgba(14, 12, 10, 0.55) 0%,
    transparent 28%,
    transparent 56%,
    rgba(14, 12, 10, 0.66) 100%
  );
}

.blok-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  padding: 0 clamp(24px, 6vw, 88px);
  pointer-events: none;
}

/* Bölüm numarası sahnenin sol üstünde sabit durur */
.blok-head {
  position: absolute;
  top: clamp(96px, 14vh, 150px);
  left: clamp(24px, 6vw, 88px);
  margin: 0;
  display: block;
}

.blok-head .chapter-title {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
  margin: 0;
}

/* --- Sahne yazıları --- */

.blok-overlay .scene-caption {
  position: absolute;
  max-width: min(56ch, 78vw);
  opacity: 0;
  visibility: hidden;
  will-change: opacity, transform;
}

.blok-overlay .scene-caption.is-on {
  visibility: visible;
}

.scene-caption::before {
  content: "";
  position: absolute;
  inset: -60% -40%;
  z-index: -1;
  background: radial-gradient(
    closest-side,
    rgba(14, 12, 10, 0.52),
    rgba(14, 12, 10, 0.22) 55%,
    transparent 78%
  );
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: #d8a06a;
  margin: 0 0 1.4rem;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.6);
}

.hero-title,
.scene-title {
  font-family: var(--font-title);
  font-weight: 300;
  color: #fff;
  font-size: clamp(2.2rem, 5.6vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.45), 0 10px 44px rgba(0, 0, 0, 0.4);
}

.hero-title em,
.scene-title em {
  font-style: normal;
  color: #d8a06a;
}

.scene-desc {
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  max-width: 44ch;
  margin: 1.3rem 0 0;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.5);
}

.scene-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 2.2rem;
  pointer-events: auto;
}

/* --- Kaydırma ipucu --- */

.scroll-cue {
  position: absolute;
  bottom: 2.4rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  pointer-events: none;
}

.cue-line {
  width: 1px;
  height: 50px;
  margin: 0.8rem auto 0;
  background: linear-gradient(#d8a06a, transparent);
  animation: cue 2.2s ease-in-out infinite;
}

@keyframes cue {
  0%,
  100% {
    transform: scaleY(0.4);
    opacity: 0.4;
  }
  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}

/* --- Sessiz dinlenme sahnesi (erenler'deki "doku" kalıbı) --- */

.doku-stage {
  position: relative;
  height: 88vh;
  height: 88svh;
  overflow: hidden;
  background: #12100e;
}

.doku-stage > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.doku-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgba(14, 12, 10, 0.42) 0%,
    transparent 34%,
    transparent 54%,
    rgba(14, 12, 10, 0.7) 100%
  );
}

.doku-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  padding: 0 clamp(24px, 6vw, 88px) clamp(58px, 11vh, 120px);
}

.doku-overlay .scene-caption {
  position: static;
  opacity: 1;
  visibility: visible;
  max-width: min(56ch, 82vw);
}

.doku-note {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.58);
  margin-bottom: 0.9rem;
}

.doku-line {
  font-family: var(--font-title);
  font-weight: 300;
  font-size: clamp(1.3rem, 2.6vw, 2.05rem);
  line-height: 1.28;
  color: #fff;
  max-width: 26ch;
  margin: 0;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.5);
}

/* --- Koyu sahne üzerinde menü açık renge döner (JS .header-light ekler) --- */

.header-light .site-header,
.header-light .site-header.is-stuck {
  background: transparent;
  border-bottom-color: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.header-light .site-header .logo,
.header-light .site-header .nav__links a,
.header-light .site-header .nav__cta-text {
  color: #fff;
}

.header-light .site-header .logo__sub {
  color: rgba(255, 255, 255, 0.72);
}

.header-light .site-header .nav__links a:hover {
  color: #d8a06a;
}

.header-light .nav__toggle {
  border-color: rgba(255, 255, 255, 0.45);
}

.header-light .nav__toggle span,
.header-light .nav__toggle span::before,
.header-light .nav__toggle span::after {
  background: #fff;
}

/* Ana sayfada ilk sahne tam tepeden başlar; menü akıştan çıkıp üste biner.
   (Pinlenen bölümlerde negatif margin ScrollTrigger ölçümünü bozardı.) */
body.home .site-header {
  position: fixed;
  left: 0;
  right: 0;
}

@media (max-width: 760px) {
  .blok-head {
    top: clamp(80px, 12vh, 100px);
  }
  .blok-overlay .scene-caption {
    max-width: 86vw;
  }
  /* Mobil başlık ve açıklama boyutları küçültülerek görseli kapatması önlenir */
  .hero-title,
  .scene-title {
    font-size: clamp(1.8rem, 6.5vw, 2.6rem);
    line-height: 1.15;
  }
  .scene-desc {
    font-size: 0.95rem;
    line-height: 1.55;
    margin-top: 0.8rem;
    max-width: 38ch;
  }
  .hero-eyebrow {
    margin-bottom: 0.8rem;
  }
}

/* --- Hareket azaltma: TASARIM korunur, yalnızca HAREKET kaldırılır ---------
   Önceki sürüm sahneyi "görsel + altında düz metin bloğu"na düşürüyordu; bu
   sinematik kurguyu bozuyordu. Artık sahne tam ekran ve full-bleed kalıyor,
   yazılar görselin ÜZERİNDE duruyor — yalnızca pin/sürme ve dekoratif
   animasyonlar (sis sürüklenmesi, ipucu nabzı, yazı kayması) devre dışı.
   scrub.js bu modda ScrollTrigger kurmaz; canvas ilk kareyi çizip durur. */

@media (prefers-reduced-motion: reduce) {
  /* Sahne tam ekran ve full-bleed kalır */
  html:not(.motion-on) .blok-stage {
    height: 100vh;
    height: 100svh;
    overflow: hidden;
  }
  html:not(.motion-on) .blok-stage .fullbleed {
    height: 100%;
  }

  /* Yazılar görselin üzerinde; üç yazı alt alta, aşağı hizalı */
  html:not(.motion-on) .blok-overlay {
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 0 clamp(24px, 6vw, 88px) clamp(48px, 9vh, 104px);
    background: none;
  }
  html:not(.motion-on) .blok-head {
    position: absolute;
    top: clamp(96px, 14vh, 150px);
    left: clamp(24px, 6vw, 88px);
    margin: 0;
  }

  /* Hepsi görünür, akışta sırayla dizilir — üst üste binme imkânsız */
  html:not(.motion-on) .blok-overlay .scene-caption,
  html:not(.motion-on) .blok-overlay .scene-caption.is-on {
    position: static;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    max-width: min(60ch, 82vw);
  }
  html:not(.motion-on) .blok-overlay .scene-caption + .scene-caption {
    margin-top: clamp(16px, 2.4vh, 30px);
  }

  /* Üç yazı tek ekrana sığsın diye ölçek küçülür */
  html:not(.motion-on) .hero-title,
  html:not(.motion-on) .scene-title {
    font-size: clamp(1.25rem, 2.5vw, 2rem);
    line-height: 1.16;
  }
  html:not(.motion-on) .scene-desc {
    font-size: 0.92rem;
    margin-top: 0.5rem;
  }
  html:not(.motion-on) .hero-eyebrow {
    margin-bottom: 0.7rem;
  }

  /* Okunurluk perdesini güçlendir: yazı yoğunlaştığı için alt karartma artar */
  html:not(.motion-on) .blok-stage .fullbleed::after {
    background: linear-gradient(
      to bottom,
      rgba(14, 12, 10, 0.5) 0%,
      transparent 26%,
      rgba(14, 12, 10, 0.45) 58%,
      rgba(14, 12, 10, 0.86) 100%
    );
  }

  /* Dekoratif hareketler kapalı */
  html:not(.motion-on) .scroll-cue {
    display: none;
  }
  html:not(.motion-on) .cue-line {
    animation: none;
  }
  html:not(.motion-on) .doku-stage {
    height: 78vh;
    height: 78svh;
  }
}

/* Canlı sahne kartlarındaki sıra numarası (stilsiz kalmıştı) */
.card-num {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.7rem;
}

/* Hareket azaltma açıkken sahnede beliren istek dışı çıkış: isteyen sinematik
   akışı açabilsin (scrub.js ekler). */
.motion-opt-in {
  display: inline-block;
  margin-top: clamp(26px, 4vh, 44px);
  padding: 12px 26px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 0;
  background: transparent;
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.motion-opt-in:hover {
  background: #fff;
  color: var(--carbon);
  border-color: #fff;
}

/* ==========================================================================
   SLOGAN — açık taş dokusu üzerinde dört adımlık marka sözü
   Tipografi: Cormorant Garamond 300, versal, geniş harf aralığı.
   Görsel yoksa taş benzeri degradeye düşer (bölüm asla boş kalmaz).
   ========================================================================== */

.slogan {
  position: relative;
  padding: clamp(96px, 17vh, 200px) clamp(24px, 6vw, 88px);
  /* Yedek: görsel yüklenemezse taş hissi veren katmanlı degrade */
  background-color: #e6e0d6;
  background-image:
    radial-gradient(120% 90% at 22% 12%, rgba(255, 255, 255, 0.55) 0%, transparent 55%),
    radial-gradient(95% 120% at 82% 84%, rgba(202, 192, 176, 0.5) 0%, transparent 60%),
    url("../media/yontu-tas.jpg");
  background-size: auto, auto, cover;
  background-position: center, center, center;
  background-repeat: no-repeat;
  overflow: hidden;

  /* Sayfa ve görsel sahne üzerinde ortalama */
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
}

/* Üstteki koyu sahneden yumuşak geçiş */
.slogan::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 120px;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(11, 10, 9, 0.22), transparent);
}

.slogan__ic {
  position: relative;
  z-index: 1;
  max-width: var(--wrap);
  width: 100%;
  margin: 0 auto;
  text-align: center;
}

.slogan__satir {
  /* Outfit: geometrik, yumuşak/yuvarlak formlu sans — köşeli serif değil.
     500 = orta kalınlık; büyük puntoda hem okunur hem zarif durur. */
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: clamp(1.3rem, 3.8vw, 2.8rem);
  line-height: 1.45;
  letter-spacing: 0.14em; /* Orta kalınlıkta hafif daralttık, blok sıkı dursun */
  text-transform: uppercase;
  color: #2b2721;
  margin: 0;
  /* Doku üzerinde temiz okunurluk için sade ve hafif kabartma */
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.7);
}

.slogan__satir + .slogan__satir {
  margin-top: clamp(14px, 2.4vh, 30px);
}

/* Son satır markanın vardığı yer — bronzla ayrılır */
.slogan__satir:last-child {
  color: var(--oxide-bronze);
}

/* Satırlar sırayla belirsin (.reveal + IntersectionObserver) */
.slogan__satir.reveal {
  transition-delay: 0s;
}
.slogan__satir.reveal:nth-child(2) {
  transition-delay: 0.14s;
}
.slogan__satir.reveal:nth-child(3) {
  transition-delay: 0.28s;
}
.slogan__satir.reveal:nth-child(4) {
  transition-delay: 0.42s;
}

@media (max-width: 760px) {
  .slogan__satir {
    letter-spacing: 0.04em;
  }
}

@media (prefers-reduced-motion: reduce) {
  html:not(.motion-on) .slogan__satir.reveal {
    transition-delay: 0s;
  }
}

/* ==========================================================================
   Hakkımızda — Taşın Hafızası
   ========================================================================== */

.about-page {
  background: var(--limestone);
  overflow: clip;
}

.about-page .wrap {
  width: min(100% - 48px, var(--wrap));
}

.about-index,
.about-kicker {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.about-index {
  color: var(--accent);
  margin-bottom: 30px;
}

.about-hero {
  position: relative;
  min-height: min(920px, 100svh);
  display: grid;
  align-items: end;
  isolation: isolate;
  color: #fff;
  background: var(--carbon);
}

.about-hero__image,
.about-hero__veil {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.about-hero__image {
  z-index: -2;
  object-fit: cover;
  object-position: center;
}

.about-hero__veil {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(10, 9, 7, 0.86) 0%, rgba(10, 9, 7, 0.48) 48%, rgba(10, 9, 7, 0.12) 82%),
    linear-gradient(0deg, rgba(10, 9, 7, 0.75) 0%, transparent 56%);
}

.about-hero__content {
  padding-top: 180px;
  padding-bottom: clamp(70px, 11vh, 120px);
}

.about-kicker {
  color: rgba(255, 255, 255, 0.62);
  margin-bottom: 30px;
}

.about-hero h1 {
  max-width: 960px;
  margin: 0;
  color: #fff;
  font-size: clamp(3.2rem, 7.4vw, 7rem);
  font-weight: 300;
  line-height: 0.94;
  letter-spacing: -0.035em;
}

.about-hero h1 em {
  color: #d8b38c;
  font-weight: 300;
}

.about-hero__content > p {
  max-width: 610px;
  margin: 34px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.75;
}

.about-scroll-link {
  display: inline-flex;
  gap: 22px;
  align-items: center;
  margin-top: 54px;
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.about-scroll-link span {
  font-size: 1.25rem;
  transition: transform 0.3s var(--ease);
}

.about-scroll-link:hover span {
  transform: translateY(5px);
}

.about-manifesto {
  padding: clamp(120px, 18vw, 240px) 0;
  background: var(--limestone);
}

.about-manifesto__lines {
  max-width: 1090px;
}

.about-manifesto__lines p {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--ink);
}

.about-manifesto__lines p:nth-child(2),
.about-manifesto__lines p:nth-child(4) {
  color: var(--accent);
  padding-left: clamp(24px, 9vw, 130px);
}

.about-manifesto__note {
  max-width: 540px;
  margin: 80px 0 0 auto;
  padding-left: 28px;
  border-left: 1px solid rgba(138, 98, 67, 0.48);
  color: var(--earth-taupe);
  font-size: 1rem;
}

.marble-archive {
  padding: clamp(100px, 13vw, 170px) 0;
  color: #fff;
  background: var(--carbon);
}

.archive-heading,
.journey-heading,
.masters-heading,
.timeline-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  gap: clamp(40px, 8vw, 120px);
  align-items: end;
  margin-bottom: 68px;
}

.archive-heading h2,
.journey-heading h2 {
  color: #fff;
  font-size: clamp(3rem, 6vw, 5.7rem);
  font-weight: 300;
  line-height: 0.98;
}

.archive-heading > p,
.masters-heading > p {
  color: rgba(255, 255, 255, 0.56);
  margin: 0 0 8px;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  min-height: 560px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.archive-slab {
  position: relative;
  min-width: 0;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  overflow: hidden;
  color: #fff;
  border: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  background-image:
    linear-gradient(0deg, rgba(8, 7, 6, 0.82), rgba(8, 7, 6, 0.04) 70%),
    url("../media/about-marble-archive-v1.webp");
  background-size: auto 100%, 500% 100%;
  background-repeat: no-repeat;
  cursor: pointer;
  filter: saturate(0.72) brightness(0.68);
  transition: filter 0.55s var(--ease), transform 0.55s var(--ease);
}

.archive-slab:last-child {
  border-right: 0;
}

.archive-slab--1 { background-position: center, 0% center; }
.archive-slab--2 { background-position: center, 25% center; }
.archive-slab--3 { background-position: center, 50% center; }
.archive-slab--4 { background-position: center, 75% center; }
.archive-slab--5 { background-position: center, 100% center; }

.archive-slab:hover,
.archive-slab:focus-visible,
.archive-slab.is-active {
  filter: saturate(1) brightness(1);
  transform: translateY(-8px);
  z-index: 2;
}

.archive-slab__num {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.62);
}

.archive-slab__name {
  max-width: 130px;
  font-family: var(--font-title);
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1;
  text-align: left;
  text-shadow: 0 2px 20px #000;
}

.archive-detail {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  align-items: center;
  padding: 36px 0 0;
}

.archive-detail__stone {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
}

.archive-detail dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
}

.archive-detail dl div {
  padding: 4px 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.archive-detail dt {
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.38);
  font-family: var(--font-ui);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.archive-detail dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.stone-journey {
  padding: clamp(100px, 14vw, 180px) 0;
  background: #181713;
  color: #fff;
}

.journey-heading {
  grid-template-columns: 1fr;
}

.journey-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, 0.65fr);
  gap: clamp(40px, 7vw, 100px);
  align-items: stretch;
}

.journey-visual {
  position: relative;
  min-height: 690px;
  overflow: hidden;
  background: #080807;
}

.journey-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(8, 7, 6, 0.52), transparent 48%);
  pointer-events: none;
}

.journey-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.035);
  transition: opacity 0.7s var(--ease), transform 1.1s var(--ease);
}

.journey-image.is-active {
  opacity: 1;
  transform: scale(1);
}

.journey-visual__counter {
  position: absolute;
  z-index: 2;
  left: 28px;
  bottom: 24px;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
}

.journey-steps {
  display: grid;
  align-content: center;
}

.journey-step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 22px;
  padding: 27px 0;
  color: rgba(255, 255, 255, 0.42);
  text-align: left;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  cursor: pointer;
  transition: color 0.35s ease, padding-left 0.35s var(--ease);
}

.journey-step:hover,
.journey-step:focus-visible,
.journey-step.is-active {
  color: #fff;
  padding-left: 12px;
}

.journey-step > span {
  padding-top: 6px;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.journey-step h3 {
  margin-bottom: 8px;
  color: currentColor;
  font-size: clamp(1.7rem, 2.4vw, 2.5rem);
}

.journey-step p {
  max-width: 430px;
  margin: 0;
  color: inherit;
  font-size: 0.9rem;
}

.craft-decision {
  position: relative;
  min-height: min(900px, 92svh);
  display: grid;
  align-items: center;
  isolation: isolate;
  color: #fff;
  background: #090806;
}

.craft-decision > img,
.craft-decision__shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.craft-decision > img {
  z-index: -2;
  object-fit: cover;
}

.craft-decision__shade {
  z-index: -1;
  background: linear-gradient(90deg, rgba(8, 7, 6, 0.95) 0%, rgba(8, 7, 6, 0.72) 42%, rgba(8, 7, 6, 0.06) 78%);
}

.craft-decision__content {
  padding-top: 100px;
  padding-bottom: 100px;
}

.craft-decision blockquote {
  max-width: 800px;
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 300;
  line-height: 0.98;
}

.craft-decision blockquote em {
  color: #d8b38c;
}

.craft-decisions {
  max-width: 600px;
  margin-top: 64px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.craft-decisions p {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 18px;
  margin: 0;
  padding: 17px 0;
  color: rgba(255, 255, 255, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.craft-decisions span {
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
}

.masters {
  padding: clamp(110px, 15vw, 190px) 0;
  color: #fff;
  background: #25231e;
}

.masters-heading h2,
.timeline-heading h2 {
  color: currentColor;
  font-size: clamp(3rem, 5.4vw, 5rem);
  font-weight: 300;
}

.master-list {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.master-row {
  display: grid;
  grid-template-columns: 50px minmax(210px, 0.7fr) 1fr 0.8fr;
  gap: 36px;
  align-items: center;
  padding: 38px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.master-row__num,
.master-row__role {
  font-family: var(--font-ui);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.master-row h3 {
  margin: 9px 0 0;
  color: #fff;
  font-size: 1.8rem;
}

.master-row > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
}

.master-row blockquote {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-style: italic;
}

.about-timeline {
  padding: clamp(110px, 15vw, 190px) 0;
  color: var(--ink);
  background: var(--cut-stone);
}

.timeline-heading {
  grid-template-columns: 1fr;
}

.timeline-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  padding-top: 36px;
  border-top: 1px solid rgba(36, 35, 31, 0.26);
}

.timeline-track article {
  position: relative;
  padding: 28px 28px 0 0;
}

.timeline-track article::before {
  content: "";
  position: absolute;
  top: -42px;
  left: 0;
  width: 11px;
  height: 11px;
  border: 2px solid var(--cut-stone);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.timeline-track time {
  color: var(--accent);
  font-family: var(--font-title);
  font-size: clamp(2.4rem, 4vw, 4rem);
  line-height: 1;
}

.timeline-track h3 {
  margin-top: 24px;
  font-size: 1.4rem;
}

.timeline-track p {
  color: var(--earth-taupe);
  font-size: 0.86rem;
}

.about-closing {
  padding: clamp(120px, 18vw, 230px) 0;
  text-align: center;
  color: #fff;
  background:
    linear-gradient(rgba(9, 8, 6, 0.68), rgba(9, 8, 6, 0.8)),
    url("../media/about-marble-archive-v1.webp") center / cover;
}

.about-closing h2 {
  margin-bottom: 48px;
  color: #fff;
  font-size: clamp(3rem, 6.4vw, 6rem);
  font-weight: 300;
  line-height: 1;
}

.about-closing h2 em {
  color: #d8b38c;
}

@media (max-width: 980px) {
  .archive-heading,
  .masters-heading {
    grid-template-columns: 1fr;
  }

  .archive-grid {
    min-height: 700px;
    grid-template-columns: repeat(2, 1fr);
  }

  .archive-slab:last-child {
    grid-column: 1 / -1;
    min-height: 280px;
  }

  .journey-layout {
    grid-template-columns: 1fr;
  }

  .journey-visual {
    min-height: 570px;
  }

  .master-row {
    grid-template-columns: 40px 1fr 1.2fr;
  }

  .master-row blockquote {
    grid-column: 2 / -1;
  }

  .timeline-track {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0 0 0 30px;
    border-top: 0;
    border-left: 1px solid rgba(36, 35, 31, 0.26);
  }

  .timeline-track article {
    padding: 0 0 48px 30px;
  }

  .timeline-track article::before {
    top: 7px;
    left: -36px;
  }
}

@media (max-width: 680px) {
  .about-page .wrap {
    width: min(100% - 32px, var(--wrap));
  }

  .about-hero {
    min-height: 86svh;
  }

  .about-hero__image {
    object-position: 62% center;
  }

  .about-hero__veil {
    background: linear-gradient(0deg, rgba(8, 7, 6, 0.94), rgba(8, 7, 6, 0.25) 85%);
  }

  .about-hero__content {
    padding-top: 140px;
    padding-bottom: 62px;
  }

  .about-hero h1 {
    font-size: clamp(3rem, 14vw, 4.5rem);
  }

  .about-manifesto__lines p {
    font-size: clamp(2.7rem, 13vw, 4.4rem);
  }

  .about-manifesto__lines p:nth-child(2),
  .about-manifesto__lines p:nth-child(4) {
    padding-left: 18px;
  }

  .archive-grid {
    display: flex;
    min-height: 520px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
  }

  .archive-slab,
  .archive-slab:last-child {
    flex: 0 0 78vw;
    min-height: 520px;
    scroll-snap-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.12);
  }

  .archive-detail {
    grid-template-columns: 1fr;
  }

  .archive-detail dl {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .archive-detail dl div {
    padding: 0 0 0 18px;
  }

  .journey-visual {
    min-height: 64svh;
  }

  .craft-decision {
    min-height: 820px;
    align-items: end;
  }

  .craft-decision > img {
    object-position: 62% center;
  }

  .craft-decision__shade {
    background: linear-gradient(0deg, rgba(8, 7, 6, 0.97), rgba(8, 7, 6, 0.25) 90%);
  }

  .master-row {
    grid-template-columns: 34px 1fr;
    gap: 18px;
  }

  .master-row > p,
  .master-row blockquote {
    grid-column: 2;
  }

  .masters-heading h2,
  .timeline-heading h2 {
    font-size: clamp(2.8rem, 12vw, 4.2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .archive-slab,
  .journey-image,
  .journey-step {
    transition: none;
  }
}

/* ========================================================================== 
   WhatsApp hızlı iletişim
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  right: clamp(1rem, 2.2vw, 2rem);
  bottom: clamp(1rem, 2.2vw, 2rem);
  z-index: 999;
  display: flex;
  align-items: center;
  gap: .72rem;
  color: #fff;
  text-decoration: none;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, .24));
  animation: whatsappFloat 3.8s ease-in-out infinite;
}

.whatsapp-float__label {
  padding: .66rem .9rem .62rem 1rem;
  color: #f8f4ec;
  background: rgba(20, 18, 16, .88);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: .67rem;
  font-weight: 600;
  letter-spacing: .11em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  transition: transform .25s ease, background .25s ease;
}

.whatsapp-float__icon {
  width: 3.55rem;
  height: 3.55rem;
  display: grid;
  place-items: center;
  color: #fff;
  background: #25d366;
  border: 1px solid rgba(255, 255, 255, .46);
  border-radius: 50%;
  box-shadow: inset 0 0 0 5px rgba(255, 255, 255, .08);
  transition: transform .25s ease, background .25s ease;
}

.whatsapp-float__icon svg { width: 1.82rem; height: 1.82rem; }
.whatsapp-float:hover .whatsapp-float__icon { transform: scale(1.08); background: #20bd5a; }
.whatsapp-float:hover .whatsapp-float__label { transform: translateX(-.2rem); background: rgba(20, 18, 16, .96); }

@keyframes whatsappFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

@media (max-width: 640px) {
  .whatsapp-float__label { display: none; }
  .whatsapp-float__icon { width: 3.35rem; height: 3.35rem; }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float { animation: none; }
}