/* TRNG HEZARFEN — v8
   Tek, tutarlı stil dosyası. Uçuş sahnesi (scene.js) arkada, içerik üstte. */
:root {
  color-scheme: dark;
  --ink: #04080f;
  --ink-2: #07111d;
  --fg: #eef4f8;
  --soft: #c3d0da;
  --muted: #8a9cab;
  --line: rgba(170, 205, 230, 0.14);
  --line-2: rgba(170, 205, 230, 0.3);
  --accent: #80d9ff;
  --accent-rgb: 128, 217, 255;
  --on-accent: #03111a;
  --display: "Archivo", "Arial Narrow", ui-sans-serif, system-ui, sans-serif;
  --body: "Hanken Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
  --ease-io: cubic-bezier(0.76, 0, 0.24, 1);
  --gx: max(clamp(20px, 4.6vw, 72px), env(safe-area-inset-left, 0px));
  --gxr: max(clamp(20px, 4.6vw, 72px), env(safe-area-inset-right, 0px));
  --hh: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: 0; }
body {
  margin: 0; background: var(--ink); color: var(--fg);
  font-family: var(--body); font-size: 17px; line-height: 1.55;
  -webkit-font-smoothing: antialiased; overflow-x: clip;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 4px; }
::selection { background: rgba(var(--accent-rgb), 0.35); }
.skip { position: fixed; left: 12px; top: -60px; z-index: 300; background: var(--accent); color: var(--on-accent); padding: 10px 16px; border-radius: 8px; font-weight: 600; }
.skip:focus { top: 12px; }
.hide-sm { }
section[id] { scroll-margin-top: 0; }

/* ---------- sahne katmanları ---------- */
#scene { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; display: block; }
.vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(130% 95% at 60% 42%, transparent 40%, rgba(4, 8, 15, 0.72) 100%),
    linear-gradient(to bottom, rgba(4, 8, 15, 0.55), transparent 18%, transparent 78%, rgba(4, 8, 15, 0.6));
}
.grain {
  position: fixed; inset: -60px; z-index: 4; pointer-events: none; opacity: 0.06; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation: grain 0.9s steps(3) infinite;
}
@keyframes grain { 0% { transform: translate(0, 0); } 33% { transform: translate(-22px, 14px); } 66% { transform: translate(18px, -26px); } }
main, .site-footer { position: relative; z-index: 2; }

/* WebGL yoksa: gravür görselli sabit arka plan */
.no-webgl #scene { display: none; }
.no-webgl body {
  background:
    linear-gradient(180deg, rgba(4, 8, 15, 0.55), rgba(4, 8, 15, 0.86) 55%, #04080f),
    url("/assets/img/hero-hezarfen-engraving-1920.webp") center top / cover fixed no-repeat,
    var(--ink);
}
.no-webgl .hud { display: none; }

/* ---------- yükleme ekranı ---------- */
.loader { display: none; }
.js .loader {
  display: grid; grid-template-rows: auto 1fr auto; position: fixed; inset: 0; z-index: 250; background: var(--ink);
  padding: calc(22px + env(safe-area-inset-top, 0px)) var(--gxr) calc(22px + env(safe-area-inset-bottom, 0px)) var(--gx);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted);
  transition: transform 1.1s var(--ease-io) 0.15s;
}
.no-loader .loader, .loader.gone { display: none !important; }
.loaded .loader { transform: translateY(-100%); }
.ld-top, .ld-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.ld-n { align-self: center; font-family: var(--display); font-weight: 800; font-size: clamp(5rem, 22vw, 17rem); line-height: 1; letter-spacing: -0.05em; color: var(--fg); font-variant-numeric: tabular-nums; }
.ld-bar { position: relative; flex: 1; height: 1px; background: var(--line-2); overflow: hidden; }
.ld-bar b { position: absolute; inset: 0; background: var(--accent); transform: scaleX(0); transform-origin: left; display: block; }

/* ---------- uçuş göstergesi (HUD) ---------- */
.hud { position: fixed; inset: 0; z-index: 3; pointer-events: none; transition: opacity 0.5s; }
.hud-off .hud { opacity: 0; }
.hud .c { position: absolute; width: 16px; height: 16px; border: 0 solid rgba(var(--accent-rgb), 0.5); }
.hud .tl { top: calc(var(--hh) + 6px); left: 14px; border-width: 1px 0 0 1px; }
.hud .tr { top: calc(var(--hh) + 6px); right: 14px; border-width: 1px 1px 0 0; }
.hud .bl { bottom: 14px; left: 14px; border-width: 0 0 1px 1px; }
.hud .br { bottom: 14px; right: 14px; border-width: 0 1px 1px 0; }
.tape { position: absolute; right: 26px; top: 50%; transform: translateY(-50%); height: 200px; width: 46px; overflow: hidden; display: flex; align-items: center; justify-content: flex-end;
  -webkit-mask-image: linear-gradient(transparent, #000 25%, #000 75%, transparent); mask-image: linear-gradient(transparent, #000 25%, #000 75%, transparent); }
.tape .ticks { position: absolute; right: 0; top: 0; bottom: 0; width: 12px; background: repeating-linear-gradient(to bottom, rgba(var(--accent-rgb), 0.55) 0 1px, transparent 1px 10px); background-position: 0 calc(var(--alt, 0) * 0.35px); }
.tape .read { position: relative; margin-right: 18px; font-family: var(--mono); font-size: 11px; color: var(--accent); background: rgba(4, 8, 15, 0.7); padding: 3px 6px; border: 1px solid rgba(var(--accent-rgb), 0.4); letter-spacing: 0.08em; }
.tape .read b { font-weight: 500; opacity: 0.7; margin-right: 6px; }
.tape .read small { opacity: 0.6; margin-left: 2px; }
.tele { position: absolute; right: 30px; bottom: 26px; display: flex; align-items: center; gap: 14px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; white-space: nowrap; }
.tele b { color: var(--fg); font-weight: 500; }
.tele .route { position: relative; width: 70px; height: 1px; background: var(--line-2); }
.tele .route i { position: absolute; left: 0; top: -2px; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); transform: translateX(calc(var(--pk, 0) * 65px)); }
.tele .sep { width: 1px; height: 12px; background: var(--line-2); }

/* ---------- imleç ---------- */
.cursor { display: none; }
.has-cursor .cursor { display: block; }
.has-cursor, .has-cursor a, .has-cursor button, .has-cursor label { cursor: none; }
.has-cursor input, .has-cursor textarea { cursor: text; }
.cursor .ring, .cursor .dot { position: fixed; left: 0; top: 0; z-index: 400; pointer-events: none; border-radius: 50%; will-change: transform; }
.cursor .ring { width: 38px; height: 38px; margin: -19px 0 0 -19px; border: 1px solid rgba(var(--accent-rgb), 0.55); transition: width 0.3s var(--ease), height 0.3s var(--ease), margin 0.3s var(--ease), background 0.3s; display: grid; place-items: center; }
.cursor .dot { width: 5px; height: 5px; margin: -2.5px 0 0 -2.5px; background: var(--accent); }
.cursor.hot .ring { width: 64px; height: 64px; margin: -32px 0 0 -32px; background: rgba(var(--accent-rgb), 0.12); }
.cursor .ring span { font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }

/* ---------- üst çubuk ---------- */
.site-header { position: fixed; z-index: 100; top: 0; left: 0; right: 0; height: var(--hh); padding: 0 var(--gxr) 0 var(--gx); display: flex; align-items: center; justify-content: space-between; gap: 20px; transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s; border-bottom: 1px solid transparent; }
.site-header.scrolled { background: rgba(4, 8, 15, 0.62); -webkit-backdrop-filter: blur(14px) saturate(1.2); backdrop-filter: blur(14px) saturate(1.2); border-color: var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-family: var(--display); font-weight: 500; font-size: 14px; letter-spacing: 0.14em; text-transform: uppercase; }
.brand b { font-weight: 800; }
.brand img { width: 28px; height: 28px; object-fit: contain; }
.nav { display: flex; gap: 4px; padding: 5px; border: 1px solid var(--line); border-radius: 999px; background: rgba(4, 8, 15, 0.35); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); position: absolute; left: 50%; transform: translateX(-50%); }
.nav a { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; padding: 8px 16px; border-radius: 999px; color: var(--soft); transition: background 0.3s, color 0.3s; }
.nav a:hover { background: rgba(var(--accent-rgb), 0.14); color: #fff; }
.header-right { display: flex; align-items: center; gap: 14px; }
.lang { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--muted); padding: 8px 10px; border-radius: 8px; transition: color 0.3s; }
.lang:hover { color: var(--fg); }
.burger { display: none; width: 44px; height: 44px; border: 1px solid var(--line-2); border-radius: 12px; background: rgba(4, 8, 15, 0.5); position: relative; cursor: pointer; }
.burger i { position: absolute; left: 12px; right: 12px; height: 1.5px; background: var(--fg); transition: transform 0.35s var(--ease), top 0.35s var(--ease); }
.burger i:nth-child(1) { top: 17px; } .burger i:nth-child(2) { top: 25px; }
.burger[aria-expanded="true"] i:nth-child(1) { top: 21px; transform: rotate(45deg); }
.burger[aria-expanded="true"] i:nth-child(2) { top: 21px; transform: rotate(-45deg); }
.progress { position: fixed; z-index: 101; top: 0; left: 0; right: 0; height: 2px; pointer-events: none; }
.progress i { display: block; height: 100%; background: var(--accent); box-shadow: 0 0 12px var(--accent); transform: scaleX(0); transform-origin: left; }

/* ---------- butonlar ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; padding: 15px 26px; border: 1px solid transparent; cursor: pointer; transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s; will-change: transform; white-space: nowrap; }
.btn .t { display: inline-flex; gap: 10px; align-items: center; pointer-events: none; }
.btn-solid { background: var(--fg); color: var(--ink); }
.btn-solid:hover { background: var(--accent); box-shadow: 0 0 32px rgba(var(--accent-rgb), 0.4); }
.btn-line { border-color: var(--line-2); color: var(--fg); background: rgba(4, 8, 15, 0.3); }
.btn-line:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 10px 18px; font-size: 11px; }
.btn-lg { padding: 18px 34px; }
.btn[disabled] { opacity: 0.6; pointer-events: none; }

/* ---------- ortak ---------- */
.wrap { padding-left: var(--gx); padding-right: var(--gxr); max-width: 1680px; margin: 0 auto; }
.eyebrow { display: flex; align-items: center; gap: 14px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 22px; }
.eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; }
.h2, .h-xl { font-family: var(--display); font-weight: 650; letter-spacing: -0.04em; line-height: 0.96; text-wrap: balance; }
.h2 { font-size: clamp(2.2rem, 5.6vw, 5.6rem); }
.h-xl { font-size: clamp(2.6rem, 6.6vw, 7rem); }
.o { color: transparent; -webkit-text-stroke: 1.4px var(--accent); }
.lead { color: var(--soft); font-size: clamp(1rem, 1.3vw, 1.2rem); max-width: 34rem; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.6); animation: pulse 2.2s infinite; flex: none; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(var(--accent-rgb), 0); } 100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0); } }

/* kelime bölme (başlık animasyonu) */
.js [data-split] .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: 0.12em; margin-bottom: -0.12em; }
.js [data-split] .wi { display: inline-block; transform: translateY(108%); }
.js [data-split].in .wi { animation: chUp 1s var(--ease) forwards; animation-delay: calc(var(--wi) * 55ms); }
@keyframes chUp { to { transform: none; } }
@keyframes riseIn { to { opacity: 1; transform: none; } }

/* ---------- HERO ---------- */
.hero { min-height: 100svh; display: grid; grid-template-rows: auto 1fr auto; padding: calc(var(--hh) + 34px) var(--gxr) clamp(28px, 4vw, 48px) var(--gx); position: relative; }
.kicker { display: flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--soft); }
.hero-title { align-self: end; font-family: var(--display); font-weight: 800; font-stretch: 104%; font-size: clamp(2.8rem, 9.4vw, 10.4rem); line-height: 0.9; letter-spacing: -0.05em; margin: 28px 0 clamp(26px, 4vw, 48px); max-width: 11ch; }
.hero-title .ln { display: block; overflow: hidden; padding-bottom: 0.12em; margin-bottom: -0.08em; }
.hero-title .ch { display: inline-block; }
.hero-title .sp { display: inline-block; width: 0.24em; }
.hero-title .ln.o .ch { color: transparent; -webkit-text-stroke: 1.6px var(--accent); }
.js .hero-title .ch { transform: translateY(112%) rotate(8deg); transform-origin: 0 100%; }
.loaded .hero-title .ch { animation: chUp 1.15s var(--ease) forwards; animation-delay: calc(var(--i) * 32ms + var(--l) * 110ms + 250ms); }
.js .rise { opacity: 0; transform: translateY(18px); }
.loaded .rise { animation: riseIn 0.9s var(--ease) forwards; animation-delay: calc(var(--d) * 130ms + 700ms); }
.hero-foot { display: grid; grid-template-columns: minmax(0, 28rem) auto minmax(0, 20rem); align-items: end; gap: 24px clamp(24px, 4vw, 64px); padding-top: 26px; border-top: 1px solid var(--line); }
.hero-foot .lead { font-size: 1.05rem; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.legend { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); text-align: right; line-height: 1.7; }
.scroll-cue { display: none; }

/* ---------- UZMANLIK (sticky sekmeli slayt) ---------- */
.sectors { position: relative; }
.js .sectors { height: calc(100svh + var(--n) * 58vh); }
.sticky { position: relative; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; gap: 18px; padding: calc(var(--hh) + 18px) var(--gxr) 28px var(--gx); background: linear-gradient(180deg, rgba(4, 8, 15, 0.82), rgba(4, 8, 15, 0.55)); }
.js .sticky { position: sticky; top: 0; height: 100svh; overflow: hidden; }
.sec-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 6px 20px; }
.sec-head .eyebrow { grid-column: 1 / -1; margin-bottom: 6px; }
.sec-head h2 { font-family: var(--display); font-weight: 650; font-size: clamp(1.6rem, 3.2vw, 3.2rem); letter-spacing: -0.035em; line-height: 1; }
.sec-count { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; color: var(--muted); }
.sec-count b { color: var(--accent); font-weight: 500; }
.slides { position: relative; min-height: 0; display: grid; }
.slide { grid-area: 1 / 1; position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-rows: 1fr auto; column-gap: clamp(24px, 5vw, 90px); align-items: end; min-height: 0; }
.js .slide { opacity: 0; visibility: hidden; transition: opacity 0.6s var(--ease), visibility 0s linear 0.6s; }
.js .slide.on { opacity: 1; visibility: visible; transition-delay: 0s; }
.slide::before { content: ""; position: absolute; top: 4%; bottom: 0; right: 0; width: 50%; border-radius: 16px; border: 1px solid var(--line-2); background: var(--art) center / cover no-repeat; opacity: 0; transform: translateX(24px); transition: opacity 1s var(--ease), transform 1.2s var(--ease); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5); }
.slide.on.art-ready::before { opacity: 1; transform: none; }
.slide::after { content: ""; position: absolute; top: 4%; bottom: 0; right: 0; width: 50%; border-radius: 16px; background: linear-gradient(90deg, rgba(4, 8, 15, 0.55), transparent 45%), linear-gradient(0deg, rgba(4, 8, 15, 0.5), transparent 40%); pointer-events: none; }
.slide > * { position: relative; z-index: 1; }
.giant { text-shadow: 0 4px 40px rgba(4, 8, 15, 0.6); grid-column: 1 / -1; grid-row: 1; align-self: start; font-family: var(--display); font-weight: 800; font-stretch: 112%; font-size: clamp(3.2rem, 10.6vw, 11.5rem); line-height: 0.86; letter-spacing: -0.055em; white-space: nowrap; overflow: hidden; padding: 0.04em 0 0.1em; }
.giant .ch { display: inline-block; background: linear-gradient(180deg, rgba(238, 244, 248, 0.95) 20%, rgba(238, 244, 248, 0.16)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.giant .ch:first-child { background: linear-gradient(180deg, var(--c) 20%, rgba(var(--accent-rgb), 0.25)); -webkit-background-clip: text; background-clip: text; }
.js .slide .giant .ch { transform: translateY(108%); }
.js .slide.on .giant .ch { animation: chUp 0.95s var(--ease) forwards; animation-delay: calc(var(--i) * 34ms + 120ms); }
.detail { grid-column: 1; grid-row: 2; max-width: 32rem; display: grid; justify-items: start; padding-bottom: 6px; }
.js .detail > * { opacity: 0; transform: translateY(20px); }
.js .slide.on .detail > * { opacity: 1; transform: none; transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); transition-delay: calc(var(--k) * 70ms + 260ms); }
.detail h3 { font-family: var(--display); font-weight: 650; font-size: clamp(1.5rem, 2.5vw, 2.4rem); line-height: 1.04; letter-spacing: -0.03em; text-wrap: balance; }
.dlead { color: var(--soft); margin-top: 12px; max-width: 28rem; }
.points { width: 100%; margin-top: 18px; border-top: 1px solid var(--line); }
.points li { display: flex; gap: 14px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 0.97rem; }
.pk { font-family: var(--mono); font-size: 10px; color: var(--c); text-transform: uppercase; width: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chips li { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; padding: 5px 10px; border: 1px solid var(--line-2); color: var(--soft); border-radius: 4px; background: rgba(4, 8, 15, 0.5); }
.detail .btn { margin-top: 20px; }
.index { display: grid; grid-template-columns: repeat(var(--n), minmax(0, 1fr)); gap: clamp(10px, 1.6vw, 22px); }
.idx { position: relative; display: grid; gap: 3px; text-align: left; background: none; border: 0; padding: 14px 0 0; cursor: pointer; color: var(--muted); transition: color 0.3s; }
.idx::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--line); }
.idx .fill { position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--c); transform: scaleX(var(--p, 0)); transform-origin: left; box-shadow: 0 0 10px var(--c); }
.idx .num { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; }
.idx .nm { font-family: var(--display); font-weight: 600; font-size: clamp(14px, 1.3vw, 18px); letter-spacing: -0.01em; }
.idx .tg { font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; color: var(--muted); opacity: 0.8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.idx:hover, .idx.on { color: var(--fg); }
.idx.on .num { color: var(--c); }

/* JS yoksa: slaytlar alt alta */
html:not(.js) .slide { grid-template-rows: auto auto; padding: 56px 0; border-bottom: 1px solid var(--line); }
html:not(.js) .index { display: none; }

/* ---------- TICKER ---------- */
.ticker { overflow: hidden; border-block: 1px solid var(--line); background: rgba(4, 8, 15, 0.7); padding: 20px 0; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.track { display: flex; align-items: center; gap: 34px; width: max-content; animation: marquee 48s linear infinite; font-family: var(--mono); font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--soft); }
.track i { width: 6px; height: 6px; border: 1px solid var(--accent); transform: rotate(45deg); flex: none; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- SÜREÇ ---------- */
.process { padding: clamp(80px, 11vw, 150px) 0; background: linear-gradient(180deg, rgba(4, 8, 15, 0.55), rgba(4, 8, 15, 0.25)); }
.flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin-top: clamp(40px, 6vw, 80px); border-top: 1px solid var(--line-2); position: relative; }
.flow::before { content: ""; position: absolute; top: -1px; left: 0; height: 1px; width: 100%; background: var(--accent); box-shadow: 0 0 14px var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 2.2s var(--ease) 0.2s; }
.flow.in::before { transform: scaleX(1); }
.flow li { padding: 26px clamp(10px, 1.6vw, 26px) 10px 0; display: grid; align-content: start; gap: 12px; }
.js .flow li { opacity: 0; transform: translateY(26px); }
.js .flow.in li { opacity: 1; transform: none; transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); transition-delay: calc(var(--k) * 130ms + 250ms); }
.sn { font-family: var(--display); font-weight: 800; font-size: clamp(2.4rem, 4.4vw, 4.6rem); line-height: 1; letter-spacing: -0.05em; color: transparent; -webkit-text-stroke: 1px rgba(var(--accent-rgb), 0.7); }
.flow h3 { font-family: var(--display); font-weight: 650; font-size: 1.3rem; letter-spacing: -0.02em; }
.flow p { color: var(--soft); font-size: 0.96rem; }
.flow .out { margin-top: 8px; padding-top: 12px; border-top: 1px dashed var(--line-2); font-size: 0.85rem; color: var(--fg); }
.flow .out em { display: block; font-style: normal; font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin-bottom: 4px; }

/* ---------- SİSTEMLER ---------- */
.systems-showcase { position: relative; padding: clamp(80px, 11vw, 150px) 0 clamp(90px, 12vw, 160px); background: linear-gradient(180deg, rgba(4, 8, 15, 0.25), rgba(7, 17, 29, 0.78) 30%, rgba(7, 17, 29, 0.78) 80%, rgba(4, 8, 15, 0.3)); overflow: hidden; }
.systems-showcase::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 64px 64px; opacity: 0.35; -webkit-mask-image: radial-gradient(70% 70% at 50% 50%, #000, transparent); mask-image: radial-gradient(70% 70% at 50% 50%, #000, transparent); pointer-events: none; }
.systems-intro { position: relative; }
.systems-copy { color: var(--soft); max-width: 32rem; margin-top: 24px; font-size: 1.1rem; }
.systems-stage { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 2vw, 28px); padding: clamp(40px, 6vw, 80px) var(--gxr) 0 var(--gx); max-width: 1680px; margin: 0 auto; }
.system-panel { position: relative; padding: 24px 24px 22px; border: 1px solid var(--line-2); border-radius: 14px; background: linear-gradient(160deg, rgba(14, 30, 48, 0.9), rgba(6, 14, 24, 0.9)); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.06); display: grid; gap: 14px; align-content: start; }
.system-panel::after { content: ""; position: absolute; left: 24px; right: 24px; top: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: 0.6; }
.js .system-panel { opacity: 0; transform: translateY(40px); }
.js .systems-stage.in .system-panel { opacity: 1; transform: none; transition: opacity 1s var(--ease), transform 1s var(--ease); }
.js .systems-stage.in .system-panel:nth-child(2) { transition-delay: 0.15s; }
.js .systems-stage.in .system-panel:nth-child(3) { transition-delay: 0.3s; }
.panel-kicker { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; color: var(--muted); text-transform: uppercase; }
.panel-kicker span { color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }
.panel-kicker span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: blink 1.8s infinite; }
@keyframes blink { 50% { opacity: 0.25; } }
.system-panel h3 { font-family: var(--display); font-weight: 650; font-size: 1.5rem; letter-spacing: -0.02em; }
.panel-progress { height: 6px; border-radius: 4px; background: var(--line); overflow: hidden; }
.panel-progress i { display: block; height: 100%; width: var(--p); background: linear-gradient(90deg, #4fb8ff, var(--accent)); transform: scaleX(0); transform-origin: left; }
.systems-stage.in .panel-progress i { transform: scaleX(1); transition: transform 1.6s var(--ease) 0.5s; }
.panel-metrics { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11px; color: var(--muted); }
.panel-list li { display: flex; justify-content: space-between; padding: 9px 0; border-top: 1px solid var(--line); font-size: 0.95rem; color: var(--soft); }
.panel-list b { font-family: var(--mono); font-weight: 500; color: var(--accent); }
.panel-reading, .panel-stat { display: flex; align-items: baseline; gap: 10px; }
.panel-reading strong, .panel-stat strong { font-family: var(--display); font-weight: 700; font-size: clamp(3rem, 5vw, 4.6rem); line-height: 1; letter-spacing: -0.05em; }
.panel-reading small, .panel-stat span { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.panel-bars { display: flex; align-items: flex-end; gap: 8px; height: 90px; }
.panel-bars i { flex: 1; height: var(--h); border-radius: 3px 3px 0 0; background: linear-gradient(180deg, var(--accent), rgba(var(--accent-rgb), 0.15)); transform: scaleY(0); transform-origin: bottom; }
.systems-stage.in .panel-bars i { transform: scaleY(1); transition: transform 1s var(--ease); }
.systems-stage.in .panel-bars i:nth-child(2) { transition-delay: .07s; } .systems-stage.in .panel-bars i:nth-child(3) { transition-delay: .14s; } .systems-stage.in .panel-bars i:nth-child(4) { transition-delay: .21s; }
.systems-stage.in .panel-bars i:nth-child(5) { transition-delay: .28s; } .systems-stage.in .panel-bars i:nth-child(6) { transition-delay: .35s; } .systems-stage.in .panel-bars i:nth-child(7) { transition-delay: .42s; }
.panel-note { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.panel-note b { color: var(--accent); font-weight: 500; }
.panel-flow { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 11px; color: var(--soft); }
.panel-flow i { flex: 1; height: 1px; background: linear-gradient(90deg, var(--line-2), var(--accent)); }
.systems-note { position: relative; max-width: 1680px; margin: 22px auto 0; padding: 0 var(--gxr) 0 var(--gx); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

/* ---------- REFERANSLAR ---------- */
.refs { padding: clamp(70px, 10vw, 130px) 0; background: linear-gradient(180deg, rgba(4, 8, 15, 0.3), rgba(4, 8, 15, 0.7)); overflow: hidden; }
.marquee { margin-top: clamp(36px, 5vw, 64px); overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.logos { display: flex; gap: 16px; width: max-content; animation: marquee 44s linear infinite; padding: 6px 0; }
.marquee:hover .logos { animation-play-state: paused; }
.logos li { display: grid; place-items: center; gap: 10px; width: 220px; padding: 22px 18px 16px; border-radius: 14px; background: #edf2f5; border: 1px solid rgba(255, 255, 255, 0.5); flex: none; }
.logos img { width: auto; height: 52px; max-width: 168px; object-fit: contain; }
.logos img[src*="levantstar"], .logos img[src*="logo.svg"] { filter: invert(1) brightness(0.35); }
.logos img[src*="levantstar"] { height: 64px; }
.logos img[src*="beymarine"], .logos img[src*="lubratech"] { height: 38px; }
.lname { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: #566b7d; text-align: center; }

/* ---------- İLETİŞİM ---------- */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, 0.85fr); gap: clamp(36px, 8vw, 140px); align-items: start; padding: clamp(80px, 11vw, 150px) var(--gxr) clamp(70px, 9vw, 110px) var(--gx); background: linear-gradient(180deg, rgba(4, 8, 15, 0.7), rgba(4, 8, 15, 0.35)); max-width: 100%; }
.c-left .lead { margin-top: 26px; }
.mail-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 30px; }
.mail { font-family: var(--display); font-weight: 600; font-size: clamp(1.2rem, 2vw, 1.7rem); letter-spacing: -0.02em; border-bottom: 1px solid var(--line-2); padding-bottom: 3px; transition: border-color 0.3s, color 0.3s; }
.mail:hover { color: var(--accent); border-color: var(--accent); }
.copy { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--soft); background: none; border: 1px solid var(--line-2); border-radius: 999px; padding: 7px 14px; cursor: pointer; transition: all 0.3s; }
.copy:hover, .copy.done { border-color: var(--accent); color: var(--accent); }
.place { margin-top: 22px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.form { display: grid; gap: 22px; padding: clamp(24px, 3vw, 40px); border: 1px solid var(--line-2); border-radius: 18px; background: linear-gradient(160deg, rgba(14, 30, 48, 0.78), rgba(6, 14, 24, 0.78)); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); box-shadow: 0 30px 90px rgba(0, 0, 0, 0.4); }
.topics { border: 0; padding: 0; margin: 0; min-width: 0; }
.topics legend { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; padding: 0; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.topic { position: relative; cursor: pointer; }
.topic input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.topic span { display: block; font-size: 0.9rem; padding: 8px 16px; border: 1px solid var(--line-2); border-radius: 999px; color: var(--soft); transition: all 0.25s; }
.topic:hover span { border-color: var(--accent); }
.topic input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 600; }
.topic input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 3px; }
.field { position: relative; display: block; padding-top: 14px; }
.field input, .field textarea { width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--line-2); color: var(--fg); font: inherit; font-size: 1.05rem; padding: 10px 0 10px; border-radius: 0; resize: vertical; outline: none; transition: border-color 0.3s; }
.field textarea { min-height: 96px; }
.field span { position: absolute; left: 0; top: 26px; color: var(--muted); pointer-events: none; transition: transform 0.3s var(--ease), font-size 0.3s, color 0.3s; transform-origin: left; }
.field input:focus, .field textarea:focus { border-color: var(--accent); }
.field input:focus + span, .field textarea:focus + span, .field input:not(:placeholder-shown) + span, .field textarea:not(:placeholder-shown) + span { transform: translateY(-24px) scale(0.78); color: var(--accent); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.send-row { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; }
.status { font-size: 0.92rem; color: var(--soft); flex: 1; min-width: 180px; }
.status.ok { color: #6ee7b7; } .status.bad { color: #ff9f9f; }
.privacy { font-size: 0.8rem; color: var(--muted); line-height: 1.5; }

/* ---------- ALT BİLGİ ---------- */
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding: 26px var(--gxr) calc(26px + env(safe-area-inset-bottom, 0px)) var(--gx); border-top: 1px solid var(--line); background: rgba(4, 8, 15, 0.9); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.site-footer a:hover { color: var(--accent); }
.site-footer time { color: var(--fg); }

/* ---------- Duyarlı ---------- */
@media (max-width: 1100px) {
  .nav { display: none; }
  .burger { display: block; }
  .nav.open { display: flex; position: fixed; inset: 0; transform: none; flex-direction: column; justify-content: center; align-items: flex-start; gap: 6px; padding: 90px var(--gx) 40px; border: 0; border-radius: 0; background: rgba(4, 8, 15, 0.97); z-index: 99; }
  .nav.open a { font-family: var(--display); font-weight: 650; font-size: clamp(2.2rem, 9vw, 3.6rem); letter-spacing: -0.04em; text-transform: none; padding: 10px 0; color: var(--fg); }
  .tape { display: none; }
  .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 20px; }
  .systems-stage { grid-template-columns: 1fr; max-width: 720px; margin-left: 0; }
  .contact { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 900px) {
  .hero-foot { grid-template-columns: 1fr; }
  .legend { text-align: left; }
  .tele .km { display: none; }
}
@media (max-width: 760px) {
  :root { --hh: 60px; }
  body { font-size: 16px; }
  .hide-sm { display: none; }
  .hero { padding-top: calc(var(--hh) + 26px); }
  .hero-title { font-size: clamp(2.6rem, 13.5vw, 4.6rem); max-width: none; }
  .tele, .hud .bl, .hud .br, .hud .tl, .hud .tr { display: none; }
  /* uzmanlık: kompakt dikey düzen */
  .js .sectors { height: calc(100svh + var(--n) * 48vh); }
  .sticky { padding: calc(var(--hh) + 10px) var(--gxr) 14px var(--gx); gap: 10px; }
  .sec-head h2 { font-size: 1.35rem; }
  .sec-head .eyebrow { margin-bottom: 2px; }
  .slide { grid-template-columns: 1fr; grid-template-rows: auto auto auto; align-content: start; row-gap: 12px; }
  .slide::before { top: 0; right: calc(-1 * var(--gxr)); left: calc(-1 * var(--gx)); bottom: auto; width: auto; height: 24svh; border: 0; border-radius: 0; box-shadow: none; transform: none; -webkit-mask-image: linear-gradient(180deg, #000 55%, transparent); mask-image: linear-gradient(180deg, #000 55%, transparent); background-position: center; }
  .slide::after { display: none; }
  .giant { grid-row: 2; margin-top: 24svh; font-size: clamp(1.9rem, 10.5vw, 3rem); padding: 0; }
  .detail { grid-row: 3; }
  .detail h3 { font-size: 1.35rem; }
  .dlead { font-size: 0.95rem; margin-top: 8px; }
  .points { margin-top: 12px; }
  .points li { padding: 7px 0; font-size: 0.92rem; }
  .chips { display: none; }
  .detail .btn { margin-top: 14px; padding: 11px 20px; }
  .index { display: flex; overflow-x: auto; gap: 18px; scrollbar-width: none; margin-right: calc(-1 * var(--gxr)); padding-right: var(--gxr); }
  .index::-webkit-scrollbar { display: none; }
  .idx { flex: 0 0 auto; padding-top: 9px; }
  .idx .tg { display: none; }
  .idx .nm { font-size: 14px; }
  .flow { grid-template-columns: 1fr; border-top: 0; border-left: 1px solid var(--line-2); margin-left: 4px; }
  .flow::before { display: none; }
  .flow li { padding: 8px 0 24px 22px; }
  .sn { font-size: 2.4rem; }
  .logos li { width: 168px; padding: 18px 12px 12px; }
  .logos img { height: 42px; }
  .site-footer .hide-xs { display: none; }
}
@media (max-width: 760px) and (max-height: 720px) {
  .dlead { display: none; }
  .slide::before { height: 18svh; }
  .giant { margin-top: 18svh; }
  .points li:nth-child(3) { display: none; }
}
@media (max-width: 380px) { .brand span { font-size: 12px; letter-spacing: 0.1em; } .lang { display: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .grain, .track, .logos, .pulse { animation: none; }
  .js .hero-title .ch, .js .slide .giant .ch, .js [data-split] .wi { transform: none; animation: none; }
  .js .rise, .js .detail > *, .js .flow li, .js .system-panel { opacity: 1; transform: none; animation: none; transition: none; }
  .js .slide { transition: none; }
  .flow::before { transform: scaleX(1); transition: none; }
  .panel-progress i, .panel-bars i { transform: none; }
}