/* ============================================================
   CENTROPOL İNŞAAT — Modern / Aydınlık tema
   ============================================================ */

:root {
  --bg: #f6f6f4;          /* temiz, hafif soğuk beyaz */
  --bg-2: #ededec;
  --surface: #ffffff;
  --ink: #0d0d0d;         /* nötr siyah */
  --ink-soft: #5c5e5e;
  --line: #e4e4e2;
  --accent: #0e4243;      /* koyu petrol yeşili — 3. renk */
  --accent-2: #18686a;    /* accent'in daha açık/canlı tonu */
  --accent-rgb: 14, 66, 67;
  --max: 1320px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Montserrat", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

html.intro-scroll-lock,
body.intro-scroll-lock {
  overflow: hidden;
  overscroll-behavior: none;
}

body.intro-scroll-lock {
  height: 100vh;
  touch-action: none;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.55;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }

a { color: inherit; text-decoration: none; }

::selection { background: var(--accent); color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: 1.02rem 1.9rem;
  border-radius: 100px;
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: .015em;
  transition: transform .4s var(--ease), background .3s, color .3s, box-shadow .4s, border-color .3s;
  will-change: transform;
}
.btn--primary {
  background: var(--ink);
  color: #fff;
}
.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -16px rgba(20,19,15,.6);
  background: var(--accent);
}
.btn--ghost {
  border: 1px solid var(--ink);
  color: var(--ink);
}
.btn--ghost:hover { background: var(--ink); color: #fff; transform: translateY(-3px); }

/* ---------- Loader ---------- */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: grid; place-items: center;
  transition: opacity .6s ease, visibility .6s;
}
.loader.is-done { opacity: 0; visibility: hidden; }
.loader__inner { text-align: center; }
.loader__logo {
  width: auto; height: clamp(110px, 18vw, 160px);
  object-fit: contain;
  display: block; margin: 0 auto 1.8rem;
}
.loader__bar {
  width: 200px; height: 2px; background: var(--line);
  margin: 0 auto; overflow: hidden; border-radius: 2px;
}
.loader__bar span {
  display: block; height: 100%; width: 0; background: var(--accent);
  animation: load 1.4s var(--ease) forwards;
}
@keyframes load { to { width: 100%; } }

/* ---------- Header ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem clamp(2.5rem, 7vw, 6rem);
  transition: background .4s var(--ease), padding .4s var(--ease), box-shadow .4s;
  color: #fff;
  text-shadow: 0 1px 12px rgba(0,0,0,.25);   /* hero üzerinde nav okunaklı */
}
.header.is-stuck {
  background: rgba(0,0,0,.18);
  backdrop-filter: blur(16px);
  padding-top: .75rem; padding-bottom: .75rem;
}
.header__logo {
  display: flex; align-items: center;
  position: relative; line-height: 0;
}
.header__logo-img {
  width: auto; height: 46px;
  object-fit: contain;
  transition: height .4s var(--ease), opacity .35s ease;
}
.header.is-stuck .header__logo-img { height: 40px; }
/* Her zaman beyaz logo — navbar koyu/saydam kalıyor */
.header__logo-img--dark { display: none; }
.header__nav { display: flex; gap: clamp(1.05rem, 1.9vw, 2.1rem); }
.header__nav a {
  font-size: .9rem; font-weight: 500; position: relative; opacity: .9;
}
.header__nav a::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right; transition: transform .4s var(--ease);
}
.header__nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header__cta {
  font-size: .88rem; font-weight: 600;
  border: 1px solid currentColor; padding: .55rem 1.2rem; border-radius: 100px;
  transition: background .3s, color .3s;
}
.header__cta:hover { background: #fff; color: var(--ink); text-shadow: none; }
.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  width: 44px;
  height: 44px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0 6px;
}
.header__burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: #fff;
  border-radius: 2px;
  transition: transform .35s var(--ease), opacity .3s;
}
.header__burger[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
.header__burger[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }

/* ============================================================
   1) HERO
   ============================================================ */
.hero {
  position: relative;
  height: 420vh;             /* scroll mesafesi: video oynama + blur/yazı fazı.
                                Daha büyük = video daha yavaş oynar. */
  --hero-blur: 0px;          /* JS scroll'a göre artırır */
  --hero-intro-blur: 5px;    /* ilk açılıştaki davet fazı */
  --hero-intro-dim: .44;
  --hero-dim: 0;             /* yazı fazında zemin koyulaşır */
}
.hero__media {
  position: sticky; top: 0;
  height: 100vh; width: 100%;
  overflow: hidden;
}
.hero__canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  will-change: filter, transform;
  filter: blur(calc(var(--hero-blur) + var(--hero-intro-blur)));
  transform: scale(1.04);    /* blur kenar boşluğunu gizler */
  transition: filter .95s var(--ease), transform .35s var(--ease);
}
.hero__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,.1) 35%, rgba(0,0,0,.55) 100%);
}
/* Yazı fazında devreye giren ekstra karartma (okunabilirlik) */
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(120% 90% at 30% 50%, rgba(0,0,0,.6), rgba(0,0,0,.25) 70%),
    linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,.2));
  opacity: calc(var(--hero-dim) + var(--hero-intro-dim));
  transition: opacity .1s linear;
  pointer-events: none;
}
.hero__grain {
  position: absolute; inset: 0; opacity: .06; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero__intro {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 clamp(1.2rem, 5vw, 3rem);
  color: #fff;
  pointer-events: none;
  transform: translateY(0);
  transition:
    opacity .9s var(--ease),
    transform .9s var(--ease),
    visibility 0s linear .9s;
}
.hero.hero--intro-done {
  --hero-intro-blur: 0px;
  --hero-intro-dim: 0;
}
.hero.hero--intro-done .hero__intro {
  opacity: 0;
  transform: translateY(-18px);
  visibility: hidden;
}
.hero__intro p {
  font-size: .78rem;
  letter-spacing: .32em;
  text-transform: uppercase;
  font-weight: 600;
  color: rgba(255,255,255,.72);
  margin-bottom: 1.25rem;
}
.hero__intro h1 {
  max-width: 680px;
  min-height: 3.12em;
  font-size: clamp(2.2rem, 5vw, 4.8rem);
  line-height: 1.04;
  font-weight: 500;
  letter-spacing: 0;
  text-wrap: balance;
  text-shadow: 0 22px 70px rgba(0,0,0,.55);
}
.hero__intro.is-typing h1::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: .82em;
  margin-left: .16em;
  background: rgba(255,255,255,.9);
  transform: translateY(.08em);
  animation: typingCaret .72s steps(1) infinite;
}
@keyframes typingCaret {
  0%, 48% { opacity: 1; }
  49%, 100% { opacity: 0; }
}
.hero__intro span {
  width: 1px;
  height: 56px;
  margin-top: 2.2rem;
  background: linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.9), rgba(255,255,255,.1));
  animation: introLine 1.8s var(--ease) infinite;
}
@keyframes introLine {
  0%, 100% { transform: scaleY(.55); opacity: .55; }
  50% { transform: scaleY(1); opacity: 1; }
}
.hero__content {
  position: absolute; inset: 0;
  /* yazılar sayfanın tam ortasında (yatay + dikey) */
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 0 clamp(1.2rem, 5vw, 3rem);
  color: #fff; z-index: 5;
  pointer-events: none;
  opacity: 0;                      /* başta gizli — sadece video görünür */
}
.hero__content a { pointer-events: auto; }
/* yazı fazında JS bunları sırayla getirir (opacity/transform) */
.hero__content > * { opacity: 0; transform: translateY(20px); }
.hero__eyebrow {
  display: flex; align-items: center; gap: .9rem;
  font-size: .76rem; letter-spacing: .32em; font-weight: 600;
  margin-bottom: 1.8rem; color: rgba(255,255,255,.92);
}
/* eyebrow iki yanına premium ince çizgiler (ortalı olduğu için simetrik) */
.hero__eyebrow::before,
.hero__eyebrow::after {
  content: ""; width: 38px; height: 1px;
  background: var(--accent-2); flex-shrink: 0;
}
.hero__title {
  font-family: var(--font);
  font-weight: 500;
  font-size: clamp(2.7rem, 7.6vw, 6rem);
  line-height: 1.02;
  letter-spacing: 0;
}
.hero__title span { display: block; }
.hero__title--accent {
  color: #fff;
  font-weight: 500;
}
.hero__lead {
  margin: 1.8rem auto 0; max-width: 560px;
  font-size: clamp(1rem, 1.25vw, 1.12rem);
  font-weight: 400; line-height: 1.7;
  color: rgba(255,255,255,.82);
}
.hero__actions {
  margin-top: 2.4rem; display: flex; gap: .9rem;
  flex-wrap: wrap; justify-content: center;
}
.hero__actions .btn--primary { background: #fff; color: var(--ink); }
.hero__actions .btn--primary:hover {
  background: var(--accent); color: #fff;
  box-shadow: 0 18px 40px -16px rgba(14,66,67,.7);
}
.hero__actions .btn--ghost {
  border-color: rgba(255,255,255,.35);
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(6px);
  color: #fff;
}
.hero__actions .btn--ghost:hover {
  background: rgba(255,255,255,.95); color: var(--ink);
  border-color: transparent;
}
.hero__phase-scroll {
  margin-top: 2.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .65rem;
  color: rgba(255,255,255,.78);
}
.hero__phase-scroll span {
  font-size: .66rem;
  letter-spacing: .34em;
  text-transform: uppercase;
  font-weight: 600;
}
.hero__phase-scroll i {
  width: 1px;
  height: 42px;
  display: block;
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.9), rgba(255,255,255,.08));
  transform-origin: top;
  animation: phaseScrollLine 1.75s var(--ease) infinite;
}
@keyframes phaseScrollLine {
  0%, 100% { transform: scaleY(.45); opacity: .5; }
  50% { transform: scaleY(1); opacity: 1; }
}

.hero__scrollhint {
  position: absolute; bottom: 2.2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .7rem;
  color: #fff; z-index: 5;
  opacity: 0;
  will-change: opacity;
  transition: opacity .7s var(--ease);
}
.hero.hero--intro-done .hero__scrollhint { opacity: 1; }
.hero__scrollhint span:first-child { font-size: .65rem; letter-spacing: .4em; opacity: .8; }
.hero__scrollline { width: 1px; height: 46px; background: rgba(255,255,255,.5); position: relative; overflow: hidden; }
.hero__scrollline::after {
  content: ""; position: absolute; top: -50%; left: 0; width: 100%; height: 50%;
  background: #fff; animation: scrolldown 1.8s var(--ease) infinite;
}
@keyframes scrolldown { 0% { top: -50%; } 100% { top: 100%; } }

/* ============================================================
   2) HAKKIMIZDA — iki sütun + overlapping görseller
   ============================================================ */
.about {
  position: relative;
  background: var(--bg);
  padding: clamp(6rem, 13vh, 11rem) clamp(1.2rem, 5vw, 4.5rem) clamp(4rem, 9vh, 7rem);
  overflow: hidden;
  z-index: 2;
}
/* Aurora / yumuşak gradient arka plan dokunuşu (sağ-üst) */
.about__aurora {
  position: absolute; top: -10%; right: -8%;
  width: 60%; height: 90%;
  background:
    radial-gradient(60% 60% at 70% 30%, rgba(14,66,67,.16), transparent 70%),
    radial-gradient(55% 55% at 85% 60%, rgba(24,104,106,.16), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}
/* İnce dekoratif çizgiler (sağ-orta) */
.about__lines {
  position: absolute; top: 12%; right: 6%;
  width: 380px; height: 380px;
  background-image:
    radial-gradient(circle at 50% 50%, transparent 0 38%, rgba(14,66,67,.18) 38% 38.4%, transparent 39%),
    radial-gradient(circle at 50% 50%, transparent 0 48%, rgba(14,66,67,.12) 48% 48.3%, transparent 49%);
  opacity: .8; pointer-events: none;
}
/* Marka amblemi — büyük, soluk arka plan filigranı (orijinal logo, yazısız) */
.about__brandmark {
  position: absolute;
  left: -5%; bottom: -8%;
  width: clamp(300px, 30vw, 480px); height: auto;
  opacity: .03;
  pointer-events: none;
  z-index: 1;
  transform: rotate(-8deg);
}

.about__inner {
  position: relative; z-index: 2;
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.05fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.about__kicker {
  font-size: .8rem; letter-spacing: .35em; font-weight: 700; color: var(--accent);
  margin-bottom: 1.6rem;
}
.about__title {
  font-family: var(--font); font-weight: 400;
  font-size: clamp(2rem, 4.6vw, 3.8rem); line-height: 1.04; letter-spacing: -.02em;
}
.about__title span { display: block; }
.about__body {
  margin-top: 1.8rem; max-width: 48ch;
  font-size: clamp(1rem, 1.3vw, 1.16rem); color: var(--ink-soft);
}

/* Galeri — overlapping kompozisyon */
.about__gallery {
  position: relative;
  height: clamp(360px, 42vw, 540px);
}
.about__img {
  position: absolute;
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(20,19,15,.4);
  border: 5px solid #fff;
  transition: transform .6s var(--ease);
}
.about__img img { transition: transform 1.2s var(--ease); }
.about__img:hover { transform: translateY(-6px); }
.about__img:hover img { transform: scale(1.06); }

.about__img--main {
  left: 0; top: 6%;
  width: 56%; height: 78%;
  z-index: 1;
}
.about__img--top {
  right: 0; top: 0;
  width: 52%; height: 52%;
  z-index: 3;
}
.about__img--bottom {
  right: 8%; bottom: 0;
  width: 40%; height: 38%;
  z-index: 4;
}

/* İstatistik kartları */
.about__stats {
  position: relative; z-index: 2;
  max-width: var(--max); margin: clamp(3rem, 6vh, 4.5rem) auto 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
}
.statcard {
  position: relative;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: .5rem clamp(1.2rem, 3vw, 2.4rem);
  cursor: default;
  transition: transform .45s var(--ease);
}
.statcard:hover { transform: translateY(-6px); }
/* aralarında ince ayırıcı çizgi */
.statcard + .statcard::before {
  content: "";
  position: absolute; top: 50%; left: 0;
  transform: translateY(-50%);
  width: 1px; height: 64px;
  background: var(--line);
}

.statcard__chip { display: none; }

.statcard__value {
  display: flex; align-items: baseline; gap: .25rem;
}
.statcard__num {
  font-family: var(--font); font-weight: 600;
  font-size: clamp(2.3rem, 4.2vw, 3.1rem); line-height: 1;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
  transition: color .4s var(--ease);
}
.statcard:hover .statcard__num { color: var(--accent); }
.statcard__suffix {
  font-family: var(--font); font-weight: 500;
  font-size: 1rem; color: var(--accent);
}
.statcard__label {
  display: block; margin-top: .7rem;
  font-size: .8rem; font-weight: 500; text-transform: uppercase; letter-spacing: .08em;
  color: var(--ink-soft);
  transition: color .4s var(--ease);
}
.statcard:hover .statcard__label { color: var(--ink); }

@media (max-width: 980px) {
  .about__inner { grid-template-columns: 1fr; }
  .about__gallery { height: clamp(320px, 70vw, 460px); margin-top: 1rem; }
  .about__stats { grid-template-columns: repeat(2, 1fr); row-gap: 1.6rem; }
  .about__lines { display: none; }
  /* ikinci satırın başındaki (3.) öğenin dikey çizgisini kaldır */
  .statcard:nth-child(odd)::before { display: none; }
}
@media (max-width: 560px) {
  .about__stats { grid-template-columns: 1fr; row-gap: 0; }
  /* tek sütunda yatay ayırıcı */
  .statcard + .statcard::before {
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 64px; height: 1px;
  }
  .statcard:nth-child(odd)::before { display: block; }
}

/* ============================================================
   4) INFO BANNER (Yaklaşımımız)
   ============================================================ */
.info {
  background: var(--bg);
  padding: clamp(6rem, 14vh, 12rem) clamp(1.2rem, 5vw, 4.5rem);
  position: relative; z-index: 2;
}
.info--alt { background: var(--surface); }
.info__inner { max-width: var(--max); margin: 0 auto; }
.info__kicker {
  font-size: .8rem; letter-spacing: .35em; font-weight: 700; color: var(--accent);
  margin-bottom: 1.6rem;
}
.info__statement {
  font-family: var(--font);
  font-weight: 400;
  font-size: clamp(2rem, 5.2vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  max-width: 17ch;
}
.info__statement span { display: block; }
.info--alt .info__statement { max-width: 22ch; }
.info__body {
  margin-top: 2rem; max-width: 56ch;
  font-size: clamp(1rem, 1.4vw, 1.22rem);
  color: var(--ink-soft);
}

/* Stats */
.info__stats {
  margin-top: clamp(3rem, 7vh, 5rem);
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.stat {
  background: var(--bg); padding: 2.2rem 1.4rem;
  display: flex; flex-direction: column;
}
.info--alt .stat { background: var(--surface); }
.stat__num {
  font-family: var(--font);
  font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1; font-weight: 500;
  display: inline-block;
}
.stat__suffix {
  font-family: var(--font); font-size: 1.3rem; color: var(--accent);
  margin-top: .2rem;
}
.stat__label { margin-top: .9rem; font-size: .85rem; color: var(--ink-soft); letter-spacing: .02em; }

/* Pillars (info--alt) */
.pillars {
  margin-top: clamp(3rem, 7vh, 5rem);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.pillar {
  padding: 2.2rem; border: 1px solid var(--line); border-radius: 18px;
  background: var(--bg);
  transition: transform .5s var(--ease), box-shadow .5s, border-color .4s;
}
.pillar:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px -30px rgba(20,19,15,.25);
  border-color: var(--accent);
}
.pillar__no {
  font-family: var(--font); font-size: 1.1rem; color: var(--accent);
  display: block; margin-bottom: 1.2rem;
}
.pillar h4 { font-size: 1.25rem; font-weight: 700; margin-bottom: .6rem; letter-spacing: -.01em; }
.pillar p { color: var(--ink-soft); font-size: .98rem; }

/* Steps (info--process) */
.steps {
  margin-top: clamp(3rem, 7vh, 5rem);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
}
.step {
  border-top: 1px solid var(--line);
  padding-top: 1.6rem;
  transition: border-color .4s;
}
.step:hover { border-top-color: var(--accent); }
.step__no {
  font-size: 2.6rem; font-weight: 300; line-height: 1;
  color: var(--accent);
  display: block; margin-bottom: 1.1rem;
}
.step h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: .55rem; letter-spacing: -.01em; }
.step p { color: var(--ink-soft); font-size: .95rem; }

/* ============================================================
   3 & 5) PROJECTS — scroll ile oynayan
   ============================================================ */
.project {
  position: relative;
  height: 230vh;               /* scroll mesafesi */
  background: var(--ink);
}
.project__sticky {
  position: sticky; top: 0;
  height: 100vh; overflow: hidden;
  display: grid; place-items: center;
}
.project__media {
  position: absolute; inset: 0;
  overflow: hidden;
}
.project__canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  will-change: transform;
}
.project__media-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(0deg, rgba(0,0,0,.78) 0%, rgba(0,0,0,.34) 38%, rgba(0,0,0,.05) 62%, rgba(0,0,0,.15) 100%),
    linear-gradient(90deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,0) 55%);
}
.project__caption {
  position: relative; z-index: 3;
  width: 100%; max-width: var(--max);
  padding: 0 clamp(1.4rem, 5vw, 4.5rem);
  color: #fff;
  align-self: flex-end;
  margin-bottom: clamp(2.5rem, 8vh, 6rem);
}
/* İçerik paneli — cam efektli, sol-alt */
.project__panel {
  position: relative;
  max-width: 480px;
  padding: clamp(1.6rem, 2.6vw, 2.4rem);
  border-radius: 22px;
  background: rgba(13,13,13,.34);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 30px 80px -40px rgba(0,0,0,.7);
}
.project__tag {
  font-size: .76rem; letter-spacing: .28em; font-weight: 600;
  color: rgba(255,255,255,.78); margin-bottom: .85rem;
}
.project__name {
  font-family: var(--font); font-weight: 600;
  font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.02; letter-spacing: -.025em;
  margin-bottom: .9rem;
}
.project__desc {
  font-size: clamp(.95rem, 1.1vw, 1.05rem); line-height: 1.6;
  color: rgba(255,255,255,.82); margin-bottom: 1.6rem;
}
.project__link {
  display: inline-flex; align-items: center; gap: .55rem;
  font-weight: 600; font-size: .92rem;
  padding: .62rem 1.3rem; border-radius: 100px;
  background: #fff; color: var(--ink);
  transition: background .35s var(--ease), color .35s, gap .35s var(--ease), transform .35s var(--ease);
}
.project__link svg { width: 17px; height: 17px; transition: transform .35s var(--ease); }
.project__link:hover {
  background: var(--accent); color: #fff;
  gap: .8rem; transform: translateY(-2px);
}
.project__link:hover svg { transform: translateX(3px); }

/* ============================================================
   CLOSING
   ============================================================ */
.closing {
  background: var(--accent);
  color: #fff;
  text-align: center;
  padding: clamp(6rem, 16vh, 11rem) 1.5rem;
}
.closing__inner p {
  font-size: .9rem; letter-spacing: .3em; font-weight: 600; text-transform: uppercase;
  opacity: .85; margin-bottom: 1rem;
}
.closing__inner h2 {
  font-family: var(--font); font-weight: 500;
  font-size: clamp(2.4rem, 7vw, 5.5rem); line-height: 1; letter-spacing: -.02em;
  margin-bottom: 2.4rem;
}
.closing .btn--primary { background: #fff; color: var(--ink); }
.closing .btn--primary:hover { background: var(--ink); color: #fff; }

/* ============================================================
   5.6) INSTAGRAM FEED
   ============================================================ */
.insta {
  background: var(--surface);
}
.insta__head {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.2rem, 5vh, 3.5rem) clamp(1.4rem, 5vw, 4.5rem);
  display: flex;
  align-items: center;
  gap: 1.4rem;
}
.insta__avatar {
  flex: 0 0 auto;
  width: 86px; height: 86px;
  border-radius: 50%;
  padding: 3px;                 /* gradient halka */
  background: linear-gradient(45deg, #f09433, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}
.insta__avatar img {
  width: 100%; height: 100%;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--surface);
  object-fit: contain;
  padding: 12px;
}
.insta__id { min-width: 0; }
.insta__handle {
  display: flex; align-items: center; gap: .45rem;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 700; letter-spacing: -.01em;
}
.insta__verified { width: 1.05em; height: 1.05em; flex: 0 0 auto; }
.insta__bio { color: var(--ink-soft); font-size: .95rem; margin-top: .2rem; }
.insta__follow {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .78rem 1.5rem;
  border-radius: 12px;
  background: linear-gradient(45deg, #f09433, #dc2743 55%, #cc2366);
  color: #fff; font-weight: 600; font-size: .95rem;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.insta__follow:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(204, 35, 102, .32);
}
.insta__follow svg { width: 1.15em; height: 1.15em; }
.insta__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
}
.insta__item {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  display: block;
}
.insta__item img {
  transition: transform .6s var(--ease);
}
.insta__item::after {
  content: "";
  position: absolute; inset: 0;
  background: rgba(0,0,0,.25);
  opacity: 0;
  transition: opacity .4s;
}
.insta__item:hover img { transform: scale(1.06); }
.insta__item:hover::after { opacity: 1; }

/* ============================================================
   6) FOOTER
   ============================================================ */
.footer {
  background: var(--ink); color: #f4f4f3;
  padding: clamp(4rem, 9vh, 7rem) clamp(1.2rem, 5vw, 4.5rem) 2.4rem;
}
.footer__top {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 2fr; gap: 4rem;
  padding-bottom: 3.5rem; border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer__logo-img {
  width: auto; height: 120px;
  object-fit: contain;
  display: block;
  margin-left: -6px;   /* amblem optik hizalama */
}
.footer__brand p { margin-top: 1.4rem; color: rgba(255,255,255,.65); max-width: 38ch; font-size: .98rem; }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.footer__col { display: flex; flex-direction: column; gap: .8rem; }
.footer__col h5 {
  font-size: .78rem; letter-spacing: .25em; text-transform: uppercase;
  color: var(--accent-2); margin-bottom: .4rem; font-weight: 700;
}
.footer__col a, .footer__col span { color: rgba(255,255,255,.75); font-size: .95rem; transition: color .3s; }
.footer__col a:hover { color: #fff; }
.footer__bottom {
  max-width: var(--max); margin: 2.2rem auto 0;
  display: flex; justify-content: space-between; gap: 1rem;
  font-size: .82rem; color: rgba(255,255,255,.5);
}
.footer__bottom a { color: rgba(255,255,255,.62); transition: color .3s; }
.footer__bottom a:hover { color: #fff; }

/* ============================================================
   SUBPAGES — eski site içerikleri için ortak sayfa sistemi
   ============================================================ */
.subpage-body {
  background: var(--bg);
}
.subpage-body .loader { display: none; }
.header--solid {
  background: rgba(13, 13, 13, .88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 18px 60px rgba(0,0,0,.16);
}
.header__nav--sub {
  gap: clamp(1rem, 2vw, 2rem);
}
.subpage-main {
  min-height: 100vh;
}
.page-hero {
  position: relative;
  min-height: clamp(520px, 78vh, 760px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--ink);
  color: #fff;
}
.page-hero--compact {
  min-height: clamp(420px, 58vh, 560px);
}
.page-hero__media,
.page-hero__shade {
  position: absolute;
  inset: 0;
}
.page-hero__media img {
  transform: scale(1.03);
  filter: saturate(.95) contrast(1.02);
}
.page-hero__shade {
  background:
    linear-gradient(180deg, rgba(0,0,0,.34) 0%, rgba(0,0,0,.16) 35%, rgba(0,0,0,.78) 100%),
    linear-gradient(90deg, rgba(0,0,0,.72) 0%, rgba(0,0,0,.18) 58%, rgba(0,0,0,.22) 100%);
}
.page-hero__inner {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - clamp(2rem, 8vw, 9rem)));
  margin: 0 auto;
  padding: clamp(8rem, 17vh, 12rem) 0 clamp(4rem, 9vh, 7rem);
}
.page-hero__crumb,
.page-hero__kicker {
  display: inline-flex;
  align-items: center;
  font-size: .76rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  font-weight: 700;
  color: rgba(255,255,255,.78);
}
.page-hero__crumb {
  margin-bottom: 1.2rem;
  letter-spacing: .18em;
}
.page-hero__crumb::before {
  content: "";
  width: 38px;
  height: 1px;
  margin-right: .9rem;
  background: var(--accent-2);
}
.page-hero__kicker { margin-bottom: .9rem; }
.page-hero h1 {
  max-width: 900px;
  font-size: clamp(2.6rem, 7.4vw, 6.8rem);
  line-height: .98;
  font-weight: 700;
  letter-spacing: 0;
}
.page-hero p:not(.page-hero__kicker) {
  max-width: 720px;
  margin-top: 1.5rem;
  color: rgba(255,255,255,.82);
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  line-height: 1.75;
  overflow-wrap: anywhere;
}
.project-facts {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.project-facts span {
  padding: .7rem 1rem;
  border-radius: 100px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.16);
  color: rgba(255,255,255,.88);
  font-size: .88rem;
  font-weight: 600;
}
.page-section {
  padding: clamp(4.5rem, 10vh, 8rem) clamp(1.3rem, 5vw, 4.5rem);
}
.page-section--soft {
  background: var(--surface);
}
.page-section--designed {
  background:
    linear-gradient(180deg, var(--bg) 0%, #fff 100%);
}
.content-shell {
  max-width: var(--max);
  margin: 0 auto;
}
.page-layout {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(210px, 300px) minmax(0, 820px);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.page-layout--content {
  max-width: 900px;
  display: block;
}
.page-aside {
  position: sticky;
  top: 100px;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-aside__block {
  background: var(--bg);
  padding: 1.2rem;
}
.page-aside__block span,
.page-aside__block a {
  display: block;
  color: var(--ink-soft);
  font-size: .82rem;
}
.page-aside__block strong {
  display: block;
  margin-top: .35rem;
  font-size: .98rem;
  line-height: 1.4;
}
.page-aside__block a {
  color: var(--accent);
  font-weight: 700;
}
.content-rich {
  font-size: clamp(1rem, 1.15vw, 1.08rem);
  line-height: 1.82;
  color: var(--ink-soft);
}
.content-rich h2 {
  margin: 2.4rem 0 .8rem;
  color: var(--ink);
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: 0;
}
.content-rich h2:first-child { margin-top: 0; }
.content-rich p + p { margin-top: 1.05rem; }
.content-rich p:first-child {
  color: var(--ink);
  font-size: clamp(1.14rem, 1.7vw, 1.34rem);
  line-height: 1.7;
}
.editorial-lede {
  display: grid;
  grid-template-columns: minmax(180px, 300px) minmax(0, 1fr);
  gap: clamp(1rem, 4vw, 3rem);
  align-items: stretch;
  margin-bottom: clamp(1.4rem, 4vw, 2.4rem);
}
.editorial-lede__mark {
  min-height: 260px;
  padding: clamp(1.4rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--ink);
  color: #fff;
}
.editorial-lede__mark span {
  color: rgba(255,255,255,.66);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.editorial-lede__mark strong {
  font-size: clamp(4rem, 8vw, 7rem);
  line-height: .8;
  font-weight: 300;
  color: var(--accent-2);
}
.editorial-lede > div:last-child {
  padding: clamp(1.6rem, 4vw, 3rem);
  background: var(--surface);
  border: 1px solid var(--line);
}
.editorial-lede > div:last-child > p {
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .24em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.editorial-lede h2 {
  max-width: 780px;
  font-size: clamp(2rem, 5vw, 4.4rem);
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0;
}
.editorial-lede div div {
  max-width: 760px;
  margin-top: 1.35rem;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.45vw, 1.25rem);
  line-height: 1.75;
}
.content-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.content-highlights article {
  min-height: 230px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform .35s var(--ease), border-color .35s var(--ease);
}
.content-highlights article:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--accent-rgb), .35);
}
.content-highlights span {
  color: var(--accent);
  font-weight: 700;
  font-size: .82rem;
  margin-bottom: auto;
}
.content-highlights h3 {
  margin-top: 2.4rem;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.12;
  letter-spacing: 0;
}
.content-highlights p {
  margin-top: .75rem;
  color: var(--ink-soft);
  font-size: .94rem;
  line-height: 1.6;
}
.story-stack {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.story-block {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: clamp(1rem, 4vw, 3rem);
  padding: clamp(1.4rem, 4vw, 3rem);
  background: var(--bg);
}
.story-block:nth-child(even) {
  background: var(--surface);
}
.story-block__no {
  color: var(--accent);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  font-weight: 300;
}
.story-block__body {
  max-width: 880px;
}
.story-block h2 {
  margin-bottom: 1rem;
  color: var(--ink);
  font-size: clamp(1.55rem, 3vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: 0;
}
.story-block p {
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.15vw, 1.08rem);
  line-height: 1.82;
}
.story-block p + p {
  margin-top: .9rem;
}
.content-download {
  margin-top: 2.4rem;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--line);
  background: var(--surface);
}
.content-download span {
  display: block;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.content-download strong {
  display: block;
  margin-top: .25rem;
  color: var(--ink);
}
.section-head {
  max-width: var(--max);
  margin: 0 auto clamp(2rem, 5vw, 3.5rem);
}
.section-head p,
.contact-panel p,
.subpage-cta p {
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .24em;
  text-transform: uppercase;
  margin-bottom: .7rem;
}
.section-head h2,
.contact-panel h2,
.subpage-cta h2 {
  font-size: clamp(2rem, 5vw, 4.4rem);
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0;
}
.card-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}
.sub-card {
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--bg);
  border: 1px solid var(--line);
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.sub-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--accent-rgb), .35);
  box-shadow: 0 24px 60px -42px rgba(13,13,13,.58);
}
.sub-card figure {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.sub-card img {
  transition: transform .7s var(--ease);
}
.sub-card:hover img { transform: scale(1.05); }
.sub-card div { padding: 1.35rem; }
.sub-card span {
  color: var(--accent);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.sub-card h3 {
  margin-top: .65rem;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.16;
  letter-spacing: 0;
}
.sub-card p {
  margin-top: .7rem;
  color: var(--ink-soft);
  font-size: .94rem;
  line-height: 1.65;
}
.gallery-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .8rem;
}
.gallery-grid figure {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--bg-2);
}
.gallery-grid figure:nth-child(1),
.gallery-grid figure:nth-child(6) {
  grid-column: span 2;
  aspect-ratio: 2 / 1;
}
.contact-panel,
.subpage-cta {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(2rem, 5vw, 3.4rem);
  background: var(--bg);
  border: 1px solid var(--line);
}
.contact-panel--split {
  align-items: flex-start;
}
.contact-panel__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .7rem;
}
.contact-panel__links a,
.link-index a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: .75rem 1rem;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
  font-weight: 700;
  font-size: .9rem;
  transition: background .3s, color .3s, border-color .3s;
}
.contact-panel__links a:hover,
.link-index a:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.subpage-cta {
  margin: clamp(4rem, 8vw, 7rem) auto;
}
.link-index {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

/* ============================================================
   Reveal animasyon başlangıç durumu
   ============================================================ */
[data-reveal] { opacity: 0; transform: translateY(28px); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .header__nav { display: none; }
  .header__burger { display: flex; }
  .subpage-body .header__nav--sub {
    display: flex;
    order: 3;
    width: 100%;
    overflow-x: auto;
    gap: 1rem;
    padding-top: .75rem;
    scrollbar-width: none;
  }
  .subpage-body .header {
    flex-wrap: wrap;
    row-gap: .25rem;
  }
  .subpage-body .header__nav--sub a {
    white-space: nowrap;
  }
  .page-layout {
    grid-template-columns: 1fr;
  }
  .editorial-lede {
    grid-template-columns: 1fr;
  }
  .editorial-lede__mark {
    min-height: 170px;
  }
  .content-highlights {
    grid-template-columns: 1fr;
  }
  .story-block {
    grid-template-columns: 72px minmax(0, 1fr);
  }
  .page-aside {
    position: static;
    grid-template-columns: repeat(3, 1fr);
  }
  .card-grid {
    grid-template-columns: 1fr 1fr;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .contact-panel,
  .subpage-cta {
    align-items: flex-start;
    flex-direction: column;
  }
  .contact-panel__links {
    justify-content: flex-start;
  }
  .info__stats { grid-template-columns: repeat(2, 1fr); }
  .pillars { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr; gap: 2.5rem; }
  .project__panel { max-width: 100%; }
  .insta__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1200px) {
  .header__nav { display: none; }
  .header__burger { display: flex !important; }
}
@media (max-width: 560px) {
  .header__cta { display: none; }
  .subpage-body .header {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }
  .subpage-body .header__cta {
    display: none;
  }
  .page-hero__inner {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding-left: 1.2rem;
    padding-right: 2rem;
  }
  .page-hero p:not(.page-hero__kicker) { max-width: 31ch; }
  .page-hero h1 {
    max-width: 10ch;
    font-size: clamp(2.25rem, 10.5vw, 3.25rem);
    overflow-wrap: break-word;
    word-break: normal;
  }
  .project-facts { gap: .5rem; }
  .project-facts span {
    padding: .58rem .8rem;
    font-size: .82rem;
  }
  .page-aside {
    grid-template-columns: 1fr;
  }
  .editorial-lede__mark {
    min-height: 140px;
  }
  .editorial-lede > div:last-child,
  .story-block,
  .content-highlights article {
    padding: 1.15rem;
  }
  .story-block {
    grid-template-columns: 1fr;
  }
  .story-block__no {
    font-size: 2rem;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .gallery-grid figure:nth-child(1),
  .gallery-grid figure:nth-child(6) {
    grid-column: span 1;
    aspect-ratio: 1 / 1;
  }
  .content-download {
    align-items: flex-start;
    flex-direction: column;
  }
  .info__stats { grid-template-columns: 1fr 1fr; }
  .footer__cols { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; }
  .insta__grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .insta__head { flex-wrap: wrap; }
  .insta__avatar { width: 68px; height: 68px; }
  .insta__follow { width: 100%; justify-content: center; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
}