/* ═══════════════════════════════════════════════════════
   Taha Yerdekalmazer — portfolio
   Koyu sinematik tek sayfa. Scroll-scrub video sahneleri
   (.act) + yatay iş şeridi (.work) + reveal'lar.
   ═══════════════════════════════════════════════════════ */

:root{
  --bg:        #070708;
  --bg-soft:   #0d0d0f;
  --ink:       #f0ede6;
  --muted:     #97928a;
  --line:      rgba(240,237,230,.13);
  --gold:      #d8b36a;
  --font-d:    'Space Grotesk', 'Helvetica Neue', sans-serif;
  --font-b:    'Inter', 'Helvetica Neue', sans-serif;
  --vh:        1vh;
  --pad:       clamp(20px, 4vw, 64px);
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
html, body{ background:var(--bg); }
body{
  color:var(--ink);
  font-family:var(--font-b);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{ background:var(--gold); color:#141005; }
a{ color:inherit; text-decoration:none; }
em{ font-style:normal; color:var(--gold); }
.gold{ color:var(--gold); }
video{ display:block; }

/* ── Film greni ───────────────────────────────────────── */
.grain{
  position:fixed; inset:-60px; z-index:80; pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity:.055;
  animation:grain 900ms steps(4) infinite;
}
@keyframes grain{
  0%{ transform:translate(0,0); } 25%{ transform:translate(-18px,12px); }
  50%{ transform:translate(14px,-16px); } 75%{ transform:translate(-10px,-8px); }
  100%{ transform:translate(0,0); }
}

/* ── Preloader ───────────────────────────────────────── */
.preloader{
  position:fixed; inset:0; z-index:100;
  background:var(--bg);
  display:flex; align-items:center; justify-content:center;
  transition:opacity .7s ease .15s, visibility 0s linear 1s;
}
.preloader__mark{ text-align:center; }
.preloader__name{
  display:block; font-family:var(--font-d); font-weight:700;
  font-size:clamp(20px, 3.4vw, 34px); letter-spacing:.02em;
  animation:pre-in 1s cubic-bezier(.2,.8,.2,1) both;
}
.preloader__role{
  display:block; margin-top:10px; color:var(--muted);
  font-size:12px; letter-spacing:.34em; text-transform:uppercase;
  animation:pre-in 1s cubic-bezier(.2,.8,.2,1) .18s both;
}
@keyframes pre-in{ from{ opacity:0; transform:translateY(18px); } to{ opacity:1; transform:none; } }
body.is-loaded .preloader{ opacity:0; visibility:hidden; }

/* ── Nav ─────────────────────────────────────────────── */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:60;
  display:flex; align-items:center; justify-content:space-between;
  padding:22px var(--pad);
  mix-blend-mode:difference; color:#fff;
}
.nav__logo{ font-family:var(--font-d); font-weight:700; font-size:18px; letter-spacing:.04em; }
.nav__c{ font-size:11px; vertical-align:super; opacity:.7; }
.nav__links{ display:flex; gap:clamp(16px,3vw,36px); }
.nav__links a{
  font-size:13px; letter-spacing:.18em; text-transform:uppercase; opacity:.75;
  transition:opacity .3s;
}
.nav__links a:hover{ opacity:1; }

/* ── Ortak: bölüm etiketi & reveal ───────────────────── */
.sec-label{
  font-size:12px; letter-spacing:.34em; text-transform:uppercase; color:var(--muted);
}
.sec-label__num{ color:var(--gold); margin-right:10px; }
[data-reveal]{ opacity:0; transform:translateY(26px); transition:opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }
[data-reveal].in{ opacity:1; transform:none; }

/* ═══ ACT — scroll'a bağlı video sahnesi ═══════════════ */
.act{ position:relative; height:420vh; background:var(--bg); }
.act--web3{ height:380vh; }
.act__pin{
  position:sticky; top:0; overflow:hidden;
  height:calc(var(--vh,1vh)*100 + 1px);
}
.act__pin video{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:0; transition:opacity .9s ease;
}
.act--ready .act__pin video{ opacity:1; }
.act__shade{
  position:absolute; inset:0;
  background:
    radial-gradient(120% 90% at 50% 50%, transparent 40%, rgba(7,7,8,.72) 100%),
    linear-gradient(to bottom, rgba(7,7,8,.55), transparent 26%, transparent 72%, rgba(7,7,8,.78));
}

/* hikâye cümleleri */
.act__line{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-46%);
  width:min(90vw, 900px); text-align:center;
  font-family:var(--font-d); font-weight:500;
  font-size:clamp(30px, 5.2vw, 64px); line-height:1.14; letter-spacing:-.01em;
  opacity:0; transition:opacity .55s ease, transform .55s ease;
  pointer-events:none;
  text-shadow:0 2px 40px rgba(0,0,0,.55);
}
.act__line.on{ opacity:1; transform:translate(-50%,-50%); }
.act__kicker{
  position:absolute; top:96px; left:50%; transform:translateX(-50%);
  font-size:12px; letter-spacing:.34em; text-transform:uppercase; color:var(--gold);
  opacity:0; transition:opacity .6s;
}
.act__kicker.on{ opacity:.9; }

/* ── Journey bölümleri: daha kısa, "devam eden film" duraklar ── */
.act--chapter{ height:260vh; }
.act--chapter .act__line{ font-size:clamp(26px, 4.2vw, 52px); }
.act__tobecontinued{
  position:absolute; bottom:30px; left:50%; transform:translateX(-50%);
  font-size:11px; letter-spacing:.3em; text-transform:uppercase; color:var(--muted);
  font-style:italic; opacity:.8;
}

/* sağda ince ilerleme rayı */
.act__progress{
  position:absolute; right:calc(var(--pad) * .6); top:50%; transform:translateY(-50%);
  width:2px; height:140px; background:rgba(240,237,230,.16); border-radius:2px;
}
.act__progress span{
  display:block; width:100%; height:0%;
  background:var(--gold); border-radius:2px;
}

/* ── Hero (ACT 1 içindeki açılış katmanı) ────────────── */
.hero{
  position:absolute; inset:0;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding:0 var(--pad);
  opacity:0; transition:opacity .55s ease;
  pointer-events:none;
}
.hero.on{ opacity:1; }
.hero__eyebrow{
  font-size:clamp(11px,1.3vw,14px); letter-spacing:.34em; text-transform:uppercase;
  color:var(--gold); margin-bottom:22px;
  text-shadow:0 1px 4px rgba(0,0,0,.9), 0 0 18px rgba(0,0,0,.7);
}
.hero__name{
  font-family:var(--font-d); font-weight:700; text-transform:uppercase;
  font-size:clamp(38px, 8.6vw, 128px); line-height:.98; letter-spacing:-.015em;
  text-shadow:0 4px 60px rgba(0,0,0,.6);
}
.hero__line{ display:block; }
.hero__line--last{ color:transparent; -webkit-text-stroke:1.5px var(--ink); }
.hero__hint{
  position:absolute; bottom:34px; left:50%; transform:translateX(-50%);
  display:flex; align-items:center; gap:10px;
  font-size:11px; letter-spacing:.3em; text-transform:uppercase; color:var(--muted);
}
.hero__wheel{
  width:1px; height:34px; background:linear-gradient(var(--gold), transparent);
  animation:wheel 1.6s ease-in-out infinite;
}
@keyframes wheel{ 0%,100%{ transform:scaleY(.4); opacity:.4; } 50%{ transform:scaleY(1); opacity:1; } }

/* ═══ Manifesto ════════════════════════════════════════ */
.manifesto{ position:relative; height:240vh; background:var(--bg); }
.manifesto__pin{
  position:sticky; top:0; height:calc(var(--vh,1vh)*100);
  display:flex; flex-direction:column; justify-content:center; gap:34px;
  padding:0 var(--pad); max-width:1200px; margin:0 auto;
}
.manifesto__text{
  font-family:var(--font-d); font-weight:500;
  font-size:clamp(26px, 4.4vw, 58px); line-height:1.22; letter-spacing:-.01em;
}
.manifesto__text .w{ color:rgba(240,237,230,.16); transition:color .35s ease; }
.manifesto__text .w.lit{ color:var(--ink); }
.manifesto__text .w.lit.gold-w{ color:var(--gold); }

/* ═══ Work — yatay film şeridi ════════════════════════ */
.work{ position:relative; background:var(--bg-soft); }
.work__pin{
  position:sticky; top:0; height:calc(var(--vh,1vh)*100);
  display:flex; flex-direction:column; overflow:hidden;
  border-top:1px solid var(--line);
}
.work__head{
  display:flex; align-items:center; justify-content:space-between;
  padding:96px var(--pad) 28px;
}
.work__hint{ font-size:12px; letter-spacing:.2em; text-transform:uppercase; color:var(--muted); }
.work__viewport{ flex:1; display:flex; align-items:center; overflow:hidden; }
.work__track{
  display:flex; gap:clamp(18px,2.5vw,36px);
  padding:0 var(--pad) 48px;
  will-change:transform;
}

.card{
  position:relative; flex:0 0 auto;
  width:min(66vh, 560px, 78vw);
  border:1px solid var(--line); border-radius:16px; overflow:hidden;
  background:#101013;
  transition:border-color .4s;
}
.card:hover{ border-color:rgba(216,179,106,.45); }
.card__media{ aspect-ratio:16/10; overflow:hidden; background:#0b0b0d; }
.card__media video{
  width:100%; height:100%; object-fit:cover;
  opacity:.92; transform:scale(1.02); filter:saturate(.92);
  transition:transform .8s cubic-bezier(.2,.8,.2,1);
}
.card:hover .card__media video{ transform:scale(1.07); }
.card__body{ padding:22px 24px 26px; }
.card__index{
  font-family:var(--font-d); font-size:12px; letter-spacing:.3em; color:var(--gold);
}
.card__title{
  font-family:var(--font-d); font-weight:700;
  font-size:clamp(26px,3vw,38px); margin:8px 0 8px; letter-spacing:-.01em;
}
.card__desc{ color:var(--muted); font-size:15px; max-width:44ch; }
.card__tags{
  margin-top:16px; font-size:11px; letter-spacing:.22em; text-transform:uppercase;
  color:rgba(240,237,230,.5);
}
.card--cta{
  display:flex; align-items:flex-end;
  background:linear-gradient(160deg, #14120c, #0b0b0d 60%);
  min-height:100%;
}
.card--cta .card__body{ padding-bottom:34px; }
.card__link{
  display:inline-block; margin-top:18px; color:var(--gold);
  font-size:13px; letter-spacing:.2em; text-transform:uppercase;
  border-bottom:1px solid rgba(216,179,106,.4); padding-bottom:4px;
  transition:border-color .3s;
}
.card__link:hover{ border-color:var(--gold); }

/* ═══ Marquee ═════════════════════════════════════════ */
.marquee{
  overflow:hidden; border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  padding:22px 0; background:var(--bg);
}
.marquee__inner{
  display:flex; gap:3.4em; width:max-content;
  animation:marquee 28s linear infinite;
  font-family:var(--font-d); font-size:clamp(15px,1.6vw,20px);
  letter-spacing:.14em; text-transform:uppercase; color:var(--muted); white-space:nowrap;
}
.marquee__inner span::after{ content:'·'; margin-left:3.4em; color:var(--gold); }
@keyframes marquee{ to{ transform:translateX(-50%); } }

/* ═══ Capabilities ════════════════════════════════════ */
.caps{ padding:clamp(90px,12vh,150px) var(--pad); max-width:1280px; margin:0 auto; }
.caps__list{ list-style:none; margin-top:44px; }
.caps__row{
  display:grid; grid-template-columns:64px 1.1fr 1fr; gap:24px; align-items:baseline;
  padding:30px 6px; border-top:1px solid var(--line);
  transition:background .4s, padding-left .4s;
}
.caps__row:last-child{ border-bottom:1px solid var(--line); }
.caps__row:hover{ background:rgba(240,237,230,.025); padding-left:16px; }
.caps__num{ font-family:var(--font-d); color:var(--gold); font-size:14px; letter-spacing:.2em; }
.caps__title{
  font-family:var(--font-d); font-weight:500;
  font-size:clamp(20px,2.6vw,32px); letter-spacing:-.01em;
}
.caps__desc{ color:var(--muted); font-size:15px; }

/* ═══ Contact ═════════════════════════════════════════ */
.contact{
  position:relative; overflow:hidden;
  padding:clamp(100px,14vh,170px) var(--pad) 34px;
  background:var(--bg-soft); border-top:1px solid var(--line);
  max-width:none;
}
.contact > *:not(.contact__bgwrap){ position:relative; z-index:1; }
.contact__bgwrap{ position:absolute; inset:0; z-index:0; }
.contact__bg{
  width:100%; height:100%; object-fit:cover;
  opacity:0; transition:opacity 1.2s ease;
}
.contact__bg.is-on{ opacity:.3; }
.contact__bgwrap::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(to bottom, var(--bg-soft) 0%, rgba(13,13,15,.55) 40%, rgba(13,13,15,.82) 100%);
}
.contact .sec-label{ max-width:1280px; margin:0 auto; }
.contact__cta{
  display:block; max-width:1280px; margin:26px auto 0; padding-bottom:30px;
}
.contact__big{
  display:block; font-family:var(--font-d); font-weight:700; text-transform:uppercase;
  font-size:clamp(52px, 11vw, 168px); line-height:.95; letter-spacing:-.02em;
  transition:color .4s;
}
.contact__cta:hover .contact__big{ color:var(--gold); }
.contact__mail{
  display:inline-block; margin-top:26px; color:var(--muted);
  font-size:clamp(15px,1.8vw,20px); letter-spacing:.06em;
  border-bottom:1px solid var(--line); padding-bottom:6px;
  transition:color .3s, border-color .3s;
}
.contact__cta:hover .contact__mail{ color:var(--ink); border-color:var(--gold); }

.footer{
  display:flex; align-items:center; justify-content:space-between; gap:18px; flex-wrap:wrap;
  max-width:1280px; margin:70px auto 0; padding-top:22px;
  border-top:1px solid var(--line);
  color:var(--muted); font-size:13px;
}
.footer__social{ display:flex; gap:22px; }
.footer__social a{
  letter-spacing:.14em; text-transform:uppercase; font-size:12px; opacity:.8;
  transition:color .3s, opacity .3s;
}
.footer__social a:hover{ color:var(--gold); opacity:1; }
.footer__note{ font-size:12px; opacity:.55; }

/* ═══ Mobil ═══════════════════════════════════════════ */
@media (max-width:860px){
  .act{ height:340vh; }
  .act--web3{ height:300vh; }
  .act--chapter{ height:220vh; }
  .act__kicker{ top:78px; }
  .manifesto{ height:200vh; }

  /* iş şeridi: dikey akışa düş */
  .work__pin{ position:static; height:auto; }
  .work__head{ padding:72px var(--pad) 10px; }
  .work__hint{ display:none; }
  .work__viewport{ overflow:visible; }
  .work__track{
    flex-direction:column; transform:none !important;
    padding:14px var(--pad) 64px; gap:22px;
  }
  .card{ width:100%; }

  .caps__row{ grid-template-columns:40px 1fr; }
  .caps__desc{ grid-column:2; }
  .footer{ flex-direction:column; align-items:flex-start; }
}

/* ═══ Hareket azaltma ═════════════════════════════════ */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .grain, .hero__wheel{ animation:none; }
  .marquee__inner{ animation:none; }
  [data-reveal]{ opacity:1; transform:none; transition:none; }
  .act{ height:auto; }
  .act__pin{ position:relative; height:calc(var(--vh,1vh)*100); }
  .act__line{ transition:none; }
  .manifesto{ height:auto; }
  .manifesto__pin{ position:relative; height:auto; padding-top:120px; padding-bottom:120px; }
  .manifesto__text .w{ color:var(--ink); }
}