/* Kayalı Makina — taslak tasarım (Bright Ajans)
   Konsept: "Döküm hane" — koyu, sıcak oksit zemin; logo bordosu ve rafine altın vurgu.
   Makinalar dekupe görsellerle sahnede; açık "PP kemik" bantları ürün ve hizmet bölümlerinde. */
:root {
  --ink: #130c0d;        /* ana koyu zemin (bordoya kayan siyah) */
  --ink-2: #1d1415;      /* koyu yüzey */
  --ink-3: #2a1d1e;
  --line: rgba(240, 228, 214, .13);
  --bone: #ece5da;       /* makinaların PP gövde rengi */
  --bone-2: #e1d8ca;
  --paper: #f6f2ec;
  --cream: #efe7da;      /* koyu üstü metin */
  --mute: #a99c93;
  --mute-dk: #6b5f58;    /* açık zemin üstü ikincil metin */
  --text-dk: #1f1616;
  --bordo: #8f1b27;      /* logo */
  --bordo-hi: #b42a39;
  --gold: #d5a650;
  --gold-hi: #f4d68f;
  --gold-lo: #96692a;

  --f-display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --f-body: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  --gut: max(16px, env(safe-area-inset-left, 0px));
  --gut-r: max(16px, env(safe-area-inset-right, 0px));
  --maxw: 1240px;
  --ease: cubic-bezier(.2, .7, .1, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: auto; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--ink); }
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--f-display); font-stretch: 112%; line-height: 1.02; margin: 0; text-wrap: balance; letter-spacing: -.01em; }
h2 { font-size: clamp(2.1rem, 5.2vw, 4.2rem); font-weight: 800; }
h3 { font-size: 1.3rem; font-weight: 700; font-stretch: 100%; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--gut); padding-right: var(--gut-r); }
@media (min-width: 700px) { .wrap { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); } }

.gold-txt {
  font-style: normal;
  background: linear-gradient(100deg, var(--gold-lo) 0%, var(--gold) 25%, var(--gold-hi) 45%, var(--gold) 60%, var(--gold-lo) 100%);
  background-size: 250% 100%;
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  animation: sheen 6s linear infinite;
}
@keyframes sheen { from { background-position: 100% 0; } to { background-position: -150% 0; } }

.eyebrow {
  font-family: var(--f-mono); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gold); display: flex; align-items: center; gap: .6em;
}
.eyebrow--dark { color: var(--bordo); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 0 rgba(213,166,80,.6); animation: ping 2.2s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 10px rgba(213,166,80,0); } 100% { box-shadow: 0 0 0 0 rgba(213,166,80,0); } }

/* ---------- buttons ---------- */
.btn {
  --bg: var(--gold); --fg: var(--ink);
  display: inline-flex; align-items: center; gap: .6em;
  padding: .95em 1.5em; border-radius: 999px; border: 1px solid transparent;
  background: var(--bg); color: var(--fg); text-decoration: none;
  font: 600 .95rem/1 var(--f-body); letter-spacing: .01em; cursor: pointer;
  transition: transform .35s var(--ease), background .3s, color .3s, box-shadow .35s;
  white-space: nowrap;
}
.btn i { font-style: normal; transition: transform .35s var(--ease); }
.btn:hover { transform: translateY(-2px); }
.btn:hover i { transform: translateX(4px); }
.btn--gold { background: linear-gradient(120deg, var(--gold-hi), var(--gold) 55%, var(--gold-lo)); box-shadow: 0 10px 30px -12px rgba(213,166,80,.7); }
.btn--ghost { --bg: transparent; --fg: var(--cream); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-hi); }
.btn--bordo { --bg: var(--bordo); --fg: #fff; }
.btn--bordo:hover { --bg: var(--bordo-hi); }
.btn--sm { padding: .7em 1.2em; font-size: .88rem; }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: env(safe-area-inset-top, 0px); left: 0; right: 0; z-index: 50;
  transition: background .4s, backdrop-filter .4s, border-color .4s, transform .5s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-solid { background: rgba(19,12,13,.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-color: var(--line); }
.nav.is-hidden { transform: translateY(-110%); }
.nav__in { max-width: var(--maxw); margin: 0 auto; padding: 14px var(--gut-r) 14px var(--gut); display: flex; align-items: center; gap: 28px; }
@media (min-width: 700px) { .nav__in { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); } }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; flex-shrink: 0; }
.brand__mark { width: 44px; height: auto; }
.brand__word { width: 168px; height: auto; }
@media (max-width: 380px) { .brand__word { width: 124px; } .brand__mark { width: 38px; } }
.nav__links { display: flex; gap: 26px; margin-left: auto; }
.nav__links a { text-decoration: none; font-size: .92rem; color: var(--mute); position: relative; transition: color .3s; }
.nav__links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.nav__links a:hover { color: var(--cream); }
.nav__links a:hover::after, .nav__links a.is-active::after { transform: scaleX(1); }
.nav__links a.is-active { color: var(--cream); }
.burger { display: none; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; position: relative; }
.burger span { position: absolute; left: 13px; right: 13px; height: 1.5px; background: var(--cream); transition: transform .35s var(--ease); }
.burger span:first-child { top: 18px; } .burger span:last-child { top: 25px; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.mnav {
  position: fixed; inset: 0; z-index: 45; background: var(--ink);
  display: flex; flex-direction: column; justify-content: center; gap: 6px;
  padding: 80px var(--gut-r) 40px var(--gut);
}
.mnav a { font-family: var(--f-display); font-stretch: 125%; font-weight: 800; font-size: clamp(1.8rem, 8vw, 2.6rem); text-decoration: none; padding: 6px 0; border-bottom: 1px solid var(--line); }
@media (max-width: 960px) {
  .nav__links, .nav__cta { display: none; }
  .burger { display: block; }
}

/* ---------- hero ---------- */
.hero { position: relative; padding: calc(120px + env(safe-area-inset-top, 0px)) 0 56px; overflow: hidden; isolation: isolate;
  background:
    radial-gradient(60% 50% at 75% 45%, rgba(143,27,39,.38), transparent 70%),
    radial-gradient(40% 40% at 80% 70%, rgba(213,166,80,.14), transparent 70%),
    var(--ink);
}
.hero__dust { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }
.hero__grid { display: grid; grid-template-columns: 1.15fr .95fr; gap: 40px; align-items: center; }
.hero__copy { min-width: 0; display: grid; gap: 26px; }
.hero__title { font-size: clamp(2.6rem, 6.1vw, 6rem); font-weight: 900; font-stretch: 122%; line-height: .9; letter-spacing: -.02em; }
.hero__title .line { display: block; overflow: hidden; padding-bottom: .04em; }
.hero__title .line > span { display: inline-block; }
.hero__title em { font-weight: 300; font-stretch: 100%; font-style: italic; }
.hero__lead { max-width: 46ch; color: var(--mute); font-size: 1.08rem; }
.hero__btns { display: flex; flex-wrap: wrap; gap: 12px; }

.hero__stage { position: relative; min-width: 0; aspect-ratio: 1 / .86; max-width: 100%; }
.hero__machine { position: absolute; left: 0; right: 0; bottom: 4%; margin: auto; width: 100%; filter: drop-shadow(0 40px 50px rgba(0,0,0,.55)); z-index: 2; }
.hero__glow { position: absolute; left: 10%; right: 10%; bottom: 0; height: 18%; background: radial-gradient(50% 50% at 50% 50%, rgba(213,166,80,.35), transparent 70%); filter: blur(10px); z-index: 1; }

.tile {
  position: absolute; top: 0; left: 2%; z-index: 3;
  width: 128px; aspect-ratio: 1; padding: 12px 14px; border-radius: 6px;
  background: linear-gradient(150deg, rgba(244,214,143,.18), rgba(213,166,80,.04));
  border: 1px solid rgba(213,166,80,.45);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  display: grid; grid-template-rows: auto 1fr auto auto; font-family: var(--f-mono); color: var(--gold-hi);
}
.tile__n { font-size: .78rem; }
.tile__sym { font-family: var(--f-display); font-stretch: 100%; font-weight: 800; font-size: 3rem; line-height: 1; align-self: center; color: var(--gold-hi); }
.tile__name { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cream); }
.tile__w { font-size: .68rem; color: var(--mute); }

.purity {
  position: absolute; top: 6%; right: 0; z-index: 3; width: 190px;
  display: grid; gap: 4px; padding: 14px 16px; border-radius: 6px;
  background: rgba(29,20,21,.72); border: 1px solid var(--line); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.purity__lbl { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); }
.purity__val { font-family: var(--f-display); font-stretch: 100%; font-weight: 800; font-size: 2.2rem; line-height: 1; font-variant-numeric: tabular-nums; color: var(--cream); }
.purity__val small { font-size: 1rem; color: var(--gold); margin-left: 2px; }
.purity__bar { height: 3px; background: var(--ink-3); border-radius: 3px; overflow: hidden; margin-top: 6px; }
.purity__bar i { display: block; height: 100%; width: 100%; background: linear-gradient(90deg, var(--gold-lo), var(--gold-hi)); transform-origin: left; }

.stats { list-style: none; margin: 56px 0 0; padding: 26px 0 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stats li { display: grid; gap: 2px; }
.stats b { font-family: var(--f-display); font-stretch: 125%; font-weight: 800; font-size: clamp(1.7rem, 3.2vw, 2.6rem); line-height: 1.05; font-variant-numeric: tabular-nums; color: var(--cream); }
.stats span { color: var(--mute); font-size: .9rem; }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__stage { max-width: 560px; width: 100%; margin: 0 auto; }
  .stats { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
}
@media (max-width: 480px) {
  .tile { width: 96px; padding: 8px 10px; } .tile__sym { font-size: 2.1rem; }
  .purity { width: 150px; padding: 10px 12px; } .purity__val { font-size: 1.7rem; }
}

/* ---------- marquee ---------- */
.marquee { border-block: 1px solid var(--line); overflow: hidden; background: var(--ink-2); padding-block: 18px; }
.marquee__track { display: flex; width: max-content; animation: marq 48s linear infinite; }
.marquee span { font-family: var(--f-display); font-stretch: 125%; font-weight: 700; font-size: 1.25rem; text-transform: uppercase; letter-spacing: .04em; padding-inline: 26px; color: var(--mute); display: flex; align-items: center; gap: 52px; white-space: nowrap; }
.marquee span::after { content: "◆"; font-size: .55rem; color: var(--gold); }
@keyframes marq { to { transform: translateX(-50%); } }

/* ---------- section heads ---------- */
.sec-head { display: grid; gap: 18px; max-width: 760px; margin-bottom: 56px; }
.sec-head__p { color: var(--mute-dk); max-width: 56ch; font-size: 1.08rem; }

/* ---------- products ---------- */
.products { background: var(--bone); color: var(--text-dk); padding-block: 110px 120px; }
.stack { display: grid; gap: 28px; counter-reset: pc; }
.pcard {
  position: sticky; top: calc(96px + var(--k, 0) * 16px);
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 0; min-height: 520px;
  background: var(--paper); border-radius: 20px; overflow: hidden;
  border: 1px solid rgba(31,22,22,.08);
  box-shadow: 0 30px 60px -40px rgba(31,22,22,.45);
  transform-origin: 50% 0;
}
.pcard { counter-increment: pc; }
.pcard:nth-child(1) { --k: 0; } .pcard:nth-child(2) { --k: 1; } .pcard:nth-child(3) { --k: 2; }
.pcard__media {
  position: relative; display: grid; place-items: center; padding: 40px;
  background: radial-gradient(70% 60% at 50% 60%, #fff, var(--bone-2) 100%);
}
.pcard__media::before {
  content: "0" counter(pc) " / 03"; position: absolute; top: 18px; left: 22px;
  font-family: var(--f-mono); font-size: .8rem; color: var(--mute-dk);
}
.pcard__media img { max-height: 430px; width: auto; object-fit: contain; filter: drop-shadow(0 26px 24px rgba(31,22,22,.22)); }
.pcard__body { padding: 48px 44px; display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.pcard__tag { font-family: var(--f-mono); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--bordo); }
.pcard h3 { font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 800; font-stretch: 112%; }
.pcard__body > p:not(.pcard__tag) { color: var(--mute-dk); }
.pcard__btns { margin-top: auto; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.pcard__cat { font-family: var(--f-mono); font-size: .78rem; letter-spacing: .06em; color: var(--bordo); text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.pcard__cat:hover { color: var(--bordo-hi); }
.spec { margin: 4px 0 8px; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(31,22,22,.12); }
.spec div { padding: 12px 0; border-bottom: 1px solid rgba(31,22,22,.12); display: grid; gap: 2px; }
.spec div:nth-child(odd) { padding-right: 14px; }
.spec dt { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--mute-dk); }
.spec dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }

.package {
  margin-top: 64px; padding: 36px 40px; border-radius: 20px;
  background: var(--text-dk); color: var(--cream);
  display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
}
.package > div { display: grid; gap: 10px; max-width: 640px; min-width: 0; }
.package h3 { font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 800; }
.package p:not(.eyebrow) { color: var(--mute); }
.package .eyebrow--dark { color: var(--gold); }

@media (max-width: 900px) {
  .products { padding-block: 80px; }
  .pcard { position: relative; top: 0; grid-template-columns: 1fr; min-height: 0; }
  .pcard__media { padding: 36px 20px 16px; }
  .pcard__media img { max-height: 280px; }
  .pcard__body { padding: 24px 22px 28px; }
  .package { padding: 28px 22px; }
}

/* ---------- digital catalog ---------- */
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.catalog { position: relative; padding-block: 110px; overflow: hidden;
  background: radial-gradient(55% 60% at 50% 62%, rgba(143,27,39,.35), transparent 72%), var(--ink-2); }
.catalog__head { max-width: none; grid-template-columns: 1fr auto; align-items: end; gap: 18px 40px; margin-bottom: 48px; }
.catalog__head .sec-head__p { color: var(--mute); grid-column: 1; }
.catalog__head > div:first-child { display: grid; gap: 18px; }
.catalog__actions { grid-column: 2; grid-row: 1 / span 2; display: flex; flex-wrap: wrap; gap: 12px; align-self: end; }
.book { display: grid; gap: 22px; outline: none; }
.book:focus-visible .book__spread { outline: 2px solid var(--gold); outline-offset: 8px; }
.book__stage { display: grid; place-items: center; perspective: 2600px; min-width: 0; }
.book__spread {
  --pw: .7129;
  position: relative; display: grid; grid-template-columns: 1fr 1fr;
  width: min(100%, 1080px, calc((100vh - 330px) * var(--pw) * 2));
  aspect-ratio: calc(var(--pw) * 2); max-width: 100%;
  transition: transform .8s var(--ease);
  filter: drop-shadow(0 40px 50px rgba(0,0,0,.55));
}
.book__spread.is-cover { transform: translateX(-25%); }
.book__spread.is-back { transform: translateX(25%); }
.book__page { position: relative; padding: 0; border: 0; margin: 0; background: #fff; cursor: zoom-in; overflow: hidden; display: block; min-width: 0; }
.book__page img { width: 100%; height: 100%; object-fit: cover; }
.book__page.is-empty { visibility: hidden; }
.book__page--l::after, .book__page--r::after { content: ""; position: absolute; top: 0; bottom: 0; width: 14%; pointer-events: none; }
.book__page--l::after { right: 0; background: linear-gradient(to left, rgba(0,0,0,.22), transparent); }
.book__page--r::after { left: 0; background: linear-gradient(to right, rgba(0,0,0,.18), transparent); }
.book__spread.is-cover .book__page--r::after, .book__spread.is-back .book__page--l::after { display: none; }
.book__spine { position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; margin-left: -1px; background: rgba(0,0,0,.25); pointer-events: none; }
.book__spread.is-cover .book__spine, .book__spread.is-back .book__spine { display: none; }
.flip { position: absolute; top: 0; width: 50%; height: 100%; z-index: 5; transform-style: preserve-3d; pointer-events: none; }
.flip--next { left: 50%; transform-origin: left center; }
.flip--prev { left: 0; transform-origin: right center; }
.flip__face { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; background: #fff; overflow: hidden; }
.flip__face img { width: 100%; height: 100%; object-fit: cover; }
.flip__face--back { transform: rotateY(180deg); }
.flip__shade { position: absolute; inset: 0; background: linear-gradient(to right, rgba(0,0,0,.35), transparent 60%); opacity: 0; }
.flip--prev .flip__shade { background: linear-gradient(to left, rgba(0,0,0,.35), transparent 60%); }

.book__bar { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }
.book__nav { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line); background: transparent; color: var(--cream); font-size: 1.1rem; cursor: pointer; transition: border-color .3s, background .3s, color .3s; }
.book__nav:hover:not(:disabled) { border-color: var(--gold); color: var(--gold-hi); }
.book__nav:disabled { opacity: .3; cursor: default; }
.book__count { font-family: var(--f-mono); font-size: .85rem; color: var(--cream); min-width: 9.5em; text-align: center; font-variant-numeric: tabular-nums; }
.book__toc select { font: inherit; font-size: .9rem; color: var(--cream); background: var(--ink); border: 1px solid var(--line); border-radius: 999px; padding: 10px 16px; max-width: 64vw; cursor: pointer; }
.book__thumbs { display: flex; gap: 8px; overflow-x: auto; padding: 6px 2px 10px; scrollbar-width: thin; scroll-snap-type: x proximity; }
.book__thumbs button { flex: 0 0 auto; width: 58px; padding: 0; border: 2px solid transparent; border-radius: 4px; background: none; cursor: pointer; opacity: .55; transition: opacity .3s, border-color .3s, transform .3s var(--ease); scroll-snap-align: center; }
.book__thumbs button img { width: 100%; aspect-ratio: .7129; object-fit: cover; border-radius: 2px; }
.book__thumbs button:hover { opacity: .9; transform: translateY(-2px); }
.book__thumbs button.is-on { opacity: 1; border-color: var(--gold); }

/* tek sayfa modu (telefon) */
.book.is-single .book__spread { grid-template-columns: 1fr; aspect-ratio: var(--pw); width: min(100%, 460px, calc((100svh - 230px) * var(--pw))); transform: none; }
.book.is-single .book__page--l, .book.is-single .book__spine, .book.is-single .book__page::after { display: none; }
.book.is-single .book__page--r { animation: pageIn .5s var(--ease); }
.book.is-single .book__page--r.is-back-dir { animation-name: pageInBack; }
@keyframes pageIn { from { transform: translateX(14%) rotateY(-14deg); opacity: .2; } }
@keyframes pageInBack { from { transform: translateX(-14%) rotateY(14deg); opacity: .2; } }

.zoom { position: fixed; inset: 0; z-index: 80; background: var(--ink); display: flex; flex-direction: column; padding-top: env(safe-area-inset-top, 0px); }
.zoom__bar { display: flex; align-items: center; gap: 10px; padding: 12px var(--gut-r) 12px var(--gut); border-bottom: 1px solid var(--line); }
.zoom__bar p { margin-right: auto; font-family: var(--f-mono); font-size: .85rem; color: var(--cream); }
.zoom__btn { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: transparent; color: var(--cream); font-size: 1rem; cursor: pointer; }
.zoom__btn:hover { border-color: var(--gold); color: var(--gold-hi); }
.zoom__scroll { flex: 1; overflow: auto; padding: 20px var(--gut-r) calc(20px + env(safe-area-inset-bottom, 0px)) var(--gut); overscroll-behavior: contain; }
.zoom__scroll img { width: min(100%, 1100px); margin: 0 auto; background: #fff; }

@media (max-width: 900px) {
  .catalog { padding-block: 80px; }
  .catalog__head { grid-template-columns: 1fr; }
  .catalog__actions { grid-column: 1; grid-row: auto; }
}
@media (max-width: 480px) { .book__count { min-width: 0; } .book__bar { gap: 10px; } .book__toc { order: 5; width: 100%; text-align: center; } .book__toc select { max-width: 100%; width: 100%; } }

/* ---------- process ---------- */
.process { background: var(--ink); padding-top: 110px; position: relative; }
.process .sec-head { margin-bottom: 20px; }
.process__pin { min-height: 100vh; display: flex; align-items: center; padding-block: 40px 80px; }
.process__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; width: 100%; }
.reactor { display: grid; justify-items: center; gap: 14px; min-width: 0; }
.reactor__svg { width: min(100%, 360px); height: auto; overflow: visible; }
.r-pipe { fill: none; stroke: #3a2a2b; stroke-width: 10; stroke-linecap: round; }
.r-body { fill: rgba(236,229,218,.04); stroke: var(--bone); stroke-width: 3; }
.r-lid { fill: var(--ink-2); stroke: var(--bone); stroke-width: 3; }
.r-gauge { fill: var(--ink-3); }
.r-gauge-fill { fill: var(--gold); }
.r-leg { fill: none; stroke: var(--mute); stroke-width: 4; stroke-linecap: round; }
.r-ingot { fill: var(--gold); stroke: var(--gold-hi); stroke-width: 1.5; }
.r-ingot-t { font: 700 11px var(--f-mono); fill: var(--ink); }
.r-label { font: 500 11px var(--f-mono); letter-spacing: .2em; fill: var(--mute); }
#bubbles circle { fill: rgba(255,255,255,.35); }
.reactor__readout { font-family: var(--f-mono); font-size: .82rem; color: var(--mute); font-variant-numeric: tabular-nums; }
.reactor__readout span:first-child { color: var(--gold); }

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; min-width: 0; }
.steps li { display: grid; grid-template-columns: 54px 1fr; column-gap: 8px; padding: 18px 0; border-top: 1px solid var(--line); opacity: .38; transition: opacity .5s; }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.steps li.is-on { opacity: 1; }
.steps__n { grid-row: span 2; font-family: var(--f-mono); color: var(--gold); padding-top: 4px; font-size: .85rem; }
.steps h3 { font-size: clamp(1.25rem, 2.2vw, 1.7rem); font-stretch: 112%; }
.steps p { color: var(--mute); grid-column: 2; max-width: 52ch; margin-top: 4px; }

@media (max-width: 900px) {
  .process { padding-top: 80px; }
  .process__grid { grid-template-columns: 1fr; gap: 20px; }
  .reactor__svg { width: min(62vw, 240px); }
  /* pinned mobile: tek adım görünür */
  .js-pin .process__pin { padding-block: 70px 30px; }
  .js-pin .steps { display: grid; grid-template-areas: "s"; }
  .js-pin .steps li { grid-area: s; opacity: 0; transform: translateY(14px); transition: opacity .45s, transform .45s var(--ease); border: 0; }
  .js-pin .steps li.is-on { opacity: 1; transform: none; }
}

/* ---------- why ---------- */
.why { background: var(--paper); color: var(--text-dk); padding-block: 110px; }
.why__grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(31,22,22,.14); }
.feat { padding: 34px 30px 38px 0; display: grid; gap: 12px; align-content: start; border-bottom: 1px solid rgba(31,22,22,.14); position: relative; }
.feat:not(:nth-child(3n+1)) { padding-left: 30px; border-left: 1px solid rgba(31,22,22,.14); }
.feat svg { width: 40px; height: 40px; fill: none; stroke: var(--bordo); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.feat p { color: var(--mute-dk); }
.feat h3 { font-size: 1.25rem; }
.iso { font-family: var(--f-mono); font-size: .9rem; display: inline-flex; align-items: center; gap: 8px; height: 40px; color: var(--bordo); }
.iso b { font-family: var(--f-display); font-weight: 900; font-size: 1.3rem; }
@media (max-width: 900px) {
  .why { padding-block: 80px; }
  .why__grid { grid-template-columns: 1fr 1fr; }
  .feat, .feat:not(:nth-child(3n+1)) { padding: 28px 18px 30px 0; border-left: 0; }
  .feat:nth-child(even) { padding-left: 18px; border-left: 1px solid rgba(31,22,22,.14); }
}
@media (max-width: 560px) {
  .why__grid { grid-template-columns: 1fr; }
  .feat:nth-child(even) { padding-left: 0; border-left: 0; }
}

/* ---------- world ---------- */
.world { background: var(--ink-2); padding-block: 110px; position: relative; overflow: hidden; }
.world::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 60% at 15% 40%, rgba(143,27,39,.32), transparent 70%); pointer-events: none; }
.world__grid { position: relative; display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: center; }
.world__num { display: grid; gap: 6px; }
.mega { font-family: var(--f-display); font-stretch: 125%; font-weight: 900; font-size: clamp(6rem, 19vw, 15rem); line-height: .85; letter-spacing: -.04em; font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, var(--gold-hi), var(--gold) 50%, var(--gold-lo)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.world__cap { font-size: 1.25rem; color: var(--cream); max-width: 22ch; }
.countries { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; min-width: 0; }
.countries li { padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px; font-size: .95rem; color: var(--mute); transition: color .5s, border-color .5s, background .5s; }
.countries li.is-lit { color: var(--ink); background: var(--gold); border-color: var(--gold); }

.quotes { position: relative; margin-top: 90px; padding-top: 50px; border-top: 1px solid var(--line); display: grid; }
.quote { grid-area: 1 / 1; margin: 0; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .6s, transform .6s var(--ease), visibility .6s; }
.quote.is-on { opacity: 1; visibility: visible; transform: none; }
.quote blockquote { margin: 0; font-family: var(--f-display); font-stretch: 100%; font-weight: 400; font-size: clamp(1.35rem, 2.8vw, 2.2rem); line-height: 1.3; max-width: 34ch; text-wrap: pretty; }
.quote figcaption { margin-top: 22px; color: var(--mute); font-size: .95rem; }
.quote figcaption b { color: var(--gold); font-weight: 600; margin-right: 8px; }
.quotes__nav { grid-area: 2 / 1; display: flex; gap: 8px; margin-top: 30px; }
.quotes__nav button { width: 34px; height: 4px; border: 0; padding: 0; border-radius: 4px; background: var(--ink-3); cursor: pointer; transition: background .4s, width .4s var(--ease); }
.quotes__nav button.is-on { background: var(--gold); width: 56px; }
@media (max-width: 900px) {
  .world { padding-block: 80px; }
  .world__grid { grid-template-columns: 1fr; gap: 30px; }
  .quotes { margin-top: 60px; }
}

/* ---------- field ---------- */
.field { background: var(--bone); color: var(--text-dk); padding-block: 110px; }
.field__grid { display: grid; grid-template-columns: 1.4fr 1fr; grid-template-rows: auto auto; gap: 16px; }
.field figure { margin: 0; position: relative; border-radius: 16px; overflow: hidden; background: var(--bone-2); min-width: 0; }
.field__video { grid-row: span 2; }
.field figure video, .field figure img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; transition: transform 1.2s var(--ease); }
.field__video video { aspect-ratio: auto; min-height: 100%; }
.field figure:hover img { transform: scale(1.04); }
.field figcaption { position: absolute; left: 14px; bottom: 14px; padding: 6px 12px; border-radius: 999px; background: rgba(19,12,13,.75); color: var(--cream); font-size: .82rem; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
@media (max-width: 800px) {
  .field { padding-block: 80px; }
  .field__grid { grid-template-columns: 1fr; }
  .field__video { grid-row: auto; }
  .field__video video { aspect-ratio: 16 / 9; }
}

/* ---------- team ---------- */
.team { background: var(--paper); color: var(--text-dk); padding-block: 110px; }
.team__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.person { margin: 0; display: grid; gap: 14px; }
.person img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 14px; filter: grayscale(1) contrast(1.05); transition: filter .7s, transform .7s var(--ease); }
.person:hover img { filter: grayscale(0); transform: translateY(-6px); }
.person figcaption { display: grid; gap: 2px; }
.person b { font-family: var(--f-display); font-stretch: 112%; font-size: 1.1rem; }
.person span { color: var(--mute-dk); font-size: .9rem; }
@media (max-width: 900px) { .team { padding-block: 80px; } .team__grid { grid-template-columns: 1fr 1fr; } }

/* ---------- contact ---------- */
.contact { background: var(--ink); padding-block: 110px; position: relative; overflow: hidden; }
.contact::before { content: ""; position: absolute; right: -10%; top: -20%; width: 60%; aspect-ratio: 1; background: radial-gradient(closest-side, rgba(143,27,39,.4), transparent); pointer-events: none; }
.contact__grid { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; }
.contact__info { display: grid; gap: 22px; min-width: 0; }
.contact__lead { color: var(--mute); max-width: 46ch; font-size: 1.08rem; }
.contact__list { list-style: none; margin: 10px 0 0; padding: 0; display: grid; }
.contact__list li { display: grid; grid-template-columns: 110px 1fr; gap: 4px 16px; padding: 14px 0; border-top: 1px solid var(--line); }
.contact__list li span { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--mute); padding-top: 4px; grid-row: span 3; }
.contact__list b { font-weight: 500; font-variant-numeric: tabular-nums; }
.sel { user-select: all; -webkit-user-select: all; }
.maplink { color: var(--gold); text-decoration: none; font-weight: 600; }
.maplink:hover { text-decoration: underline; }

.form { display: grid; gap: 8px; padding: 34px; border-radius: 20px; background: var(--ink-2); border: 1px solid var(--line); min-width: 0; }
.form h3 { margin-bottom: 12px; font-size: 1.4rem; }
.form label { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); margin-top: 6px; }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--cream);
  background: var(--ink); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
  transition: border-color .3s;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--gold); }
.form input.is-err { border-color: var(--bordo-hi); }
.form .btn { margin-top: 16px; justify-content: center; }
.form__note { color: var(--mute); font-size: .85rem; text-align: center; }
@media (max-width: 900px) {
  .contact { padding-block: 80px; }
  .contact__grid { grid-template-columns: 1fr; gap: 40px; }
  .form { padding: 24px 18px; }
  .contact__list li { grid-template-columns: 1fr; }
  .contact__list li span { grid-row: auto; }
}

/* ---------- footer ---------- */
.foot { background: var(--ink); border-top: 1px solid var(--line); padding-block: 34px calc(34px + env(safe-area-inset-bottom, 0px)); color: var(--mute); font-size: .88rem; }
.foot__in { display: flex; flex-wrap: wrap; align-items: center; gap: 24px 48px; }
.foot__logo { width: 150px; height: auto; }
.foot__info { display: grid; gap: 8px; min-width: 0; }
.foot__title { color: var(--cream); font-family: var(--f-mono); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; }
.foot__end { margin-left: auto; align-self: flex-end; display: grid; gap: 6px; justify-items: end; text-align: right; }
.credit { color: var(--mute); text-decoration: none; font-size: .82rem; transition: color .3s; }
.credit b { color: var(--cream); font-weight: 600; transition: color .3s; }
.credit:hover, .credit:hover b { color: var(--gold-hi); }
@media (max-width: 700px) { .foot__end { margin-left: 0; justify-items: start; text-align: left; } }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; z-index: 40;
  right: calc(18px + env(safe-area-inset-right, 0px)); bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center;
  background: #25d366; box-shadow: 0 12px 30px -8px rgba(37,211,102,.6);
  transition: transform .35s var(--ease);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- reveal helpers (JS ekler) ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .gold-txt { background-position: 50% 0; }
}
@media (hover: none) { .person img { filter: none; } }