/* ───────────── Tokenlar: uygulamanın kendi iki teması ───────────── */

:root {
  /* bateri (koyu) */
  --bg: #000000;
  --surface: #08090a;
  --paper: #0b0c0e;
  --fg: #d8d9dd;
  --dim: #909093;
  --faint: #4a4e57;
  --line: rgba(216, 217, 221, 0.11);
  --line-strong: rgba(216, 217, 221, 0.2);
  --brass: #d9b063;
  --steel: #7a9cc6;
  --ok: #8bb58b;
  --err: #d16d6a;
  --yellow: #d6b16a;
  --sel: #283042;
  --pencil: #cdced3;
  --dotgrid: rgba(216, 217, 221, 0.075);
  --grid-minor: rgba(216, 217, 221, 0.035);
  --grid-major: rgba(216, 217, 221, 0.07);
  --btn-bg: #d9b063;
  --btn-fg: #000000;
  --shadow: 0 40px 120px -40px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(216, 217, 221, 0.1);

  --f-display: "Geist", ui-sans-serif, -apple-system, "Helvetica Neue", sans-serif;
  --f-body: "Geist", ui-sans-serif, -apple-system, "Helvetica Neue", sans-serif;
  --f-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --f-hand: "Caveat", "Bradley Hand", cursive;

  --gutter: clamp(16px, 4vw, 48px);
  --maxw: 1200px;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f5f6f8;
    --surface: #ffffff;
    --paper: #fbfbfc;
    --fg: #24262c;
    --dim: #696b70;
    --faint: #b9bbc1;
    --line: rgba(36, 38, 44, 0.1);
    --line-strong: rgba(36, 38, 44, 0.18);
    --brass: #8a6512;
    --steel: #3d6aa8;
    --ok: #3b7a3b;
    --err: #b5423d;
    --yellow: #8f6a00;
    --sel: #dde6f3;
    --pencil: #3a3c43;
    --dotgrid: rgba(36, 38, 44, 0.09);
    --grid-minor: rgba(36, 38, 44, 0.04);
    --grid-major: rgba(36, 38, 44, 0.08);
    --btn-bg: #24262c;
    --btn-fg: #f5f6f8;
    --shadow: 0 40px 100px -50px rgba(36, 38, 44, 0.45), 0 0 0 1px rgba(36, 38, 44, 0.1);
    color-scheme: light;
  }
}

:root[data-theme="light"] {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --paper: #fbfbfc;
  --fg: #24262c;
  --dim: #696b70;
  --faint: #b9bbc1;
  --line: rgba(36, 38, 44, 0.1);
  --line-strong: rgba(36, 38, 44, 0.18);
  --brass: #8a6512;
  --steel: #3d6aa8;
  --ok: #3b7a3b;
  --err: #b5423d;
  --yellow: #8f6a00;
  --sel: #dde6f3;
  --pencil: #3a3c43;
  --dotgrid: rgba(36, 38, 44, 0.09);
  --grid-minor: rgba(36, 38, 44, 0.04);
  --grid-major: rgba(36, 38, 44, 0.08);
  --btn-bg: #24262c;
  --btn-fg: #f5f6f8;
  --shadow: 0 40px 100px -50px rgba(36, 38, 44, 0.45), 0 0 0 1px rgba(36, 38, 44, 0.1);
  color-scheme: light;
}

/* ───────────── Taban ───────────── */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 16.5px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color .3s ease, color .3s ease;
}

::selection { background: var(--sel); }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
  border-radius: 6px;
}

.defs { position: absolute; width: 0; height: 0; overflow: hidden; }

.mono { font-family: var(--f-mono); font-size: .9em; letter-spacing: -0.01em; }

.skip {
  position: absolute; left: 12px; top: -48px; z-index: 50;
  background: var(--brass); color: #000; padding: 8px 12px; border-radius: 8px;
  text-decoration: none; font-weight: 500;
}
.skip:focus { top: 12px; }

section { padding: clamp(80px, 12vw, 160px) var(--gutter) 0; }
section > * { max-width: var(--maxw); margin-inline: auto; }

/* ───────────── Tipografi ───────────── */

.display {
  font-family: var(--f-display);
  font-weight: 200;
  font-size: clamp(3rem, 8.4vw, 6.8rem);
  line-height: 1;
  letter-spacing: -0.048em;
  margin: 0;
}
.display em {
  font-style: normal;
  font-weight: 300;
  color: var(--dim);
}
.display--m { font-size: clamp(2.2rem, 5vw, 3.8rem); line-height: 1.05; letter-spacing: -0.042em; }

.eyebrow {
  display: flex; align-items: center; gap: .7em;
  font: 500 12px/1 var(--f-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 0 0 28px;
}
/* Eyebrow'un başındaki küçük blok: uygulamanın altın caret'i. */
.eyebrow::before {
  content: "";
  width: .62em; height: 1.2em;
  border-radius: 2px;
  background: var(--brass);
  flex: none;
}

.lede {
  font-size: clamp(1.02rem, 1.4vw, 1.14rem);
  line-height: 1.62;
  color: var(--dim);
  max-width: 34em;
  margin: 28px 0 0;
  text-wrap: pretty;
}

h3 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 1.3rem;
  letter-spacing: -0.022em;
  line-height: 1.2;
  margin: 0;
}

/* ───────────── Nav ───────────── */

.nav {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease;
}
.nav.is-stuck { border-bottom-color: var(--line); }
.nav__inner {
  max-width: calc(var(--maxw) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 12px var(--gutter);
  display: flex; align-items: center; gap: 24px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none;
  font: 500 17px/1 var(--f-body);
  letter-spacing: -0.01em;
}
.brand__mark { width: 26px; height: 26px; }
:root[data-theme="light"] .brand__mark rect { stroke: rgba(0,0,0,.08); }
.nav__links { display: flex; gap: 26px; margin-left: 20px; }
.nav__links a {
  text-decoration: none; color: var(--dim); font-size: 14.5px;
  transition: color .2s ease;
}
.nav__links a:hover { color: var(--fg); }
.nav__tools { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.chip {
  appearance: none; cursor: pointer;
  height: 34px; min-width: 34px; padding: 0 11px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent; color: var(--fg);
  font: 500 12px/1 var(--f-mono); letter-spacing: .06em;
  display: inline-grid; place-items: center;
  transition: border-color .2s ease, background-color .2s ease, color .2s ease, transform .15s ease;
}
.chip:hover { border-color: var(--dim); }
.chip:active { transform: scale(.96); }
.chip--icon { padding: 0; }
.chip--icon svg { width: 17px; height: 17px; }

/* ───────────── Düğmeler ───────────── */

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 50px; padding: 0 24px 0 20px;
  border-radius: 999px;
  background: var(--btn-bg); color: var(--btn-fg);
  font: 500 15.5px/1 var(--f-body);
  letter-spacing: -0.005em;
  text-decoration: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.28), 0 10px 30px -12px color-mix(in srgb, var(--btn-bg) 70%, transparent);
  transition: transform .18s cubic-bezier(.3,1.4,.6,1), box-shadow .2s ease, filter .2s ease;
}
.btn svg { width: 19px; height: 19px; }
.btn:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn:active { transform: translateY(0) scale(.98); }
.btn--small { height: 34px; padding: 0 16px; font-size: 13.5px; box-shadow: none; }
.btn--large { height: 56px; padding: 0 30px 0 26px; font-size: 16.5px; }

/* ───────────── Hero ───────────── */

.hero { padding-top: clamp(40px, 6vw, 80px); }
.hero__copy {
  max-width: 900px;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
}
.hero .lede { max-width: 30em; margin-top: 20px; }
.hero .eyebrow { margin-bottom: 22px; }
.hero__title { font-size: clamp(2.5rem, 6vw, 5.4rem); }
.hero__title em { white-space: nowrap; }
.hero .cta { justify-content: center; }
.hero .display em { color: var(--brass); }

.cta { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; }
.cta__meta { margin: 0; color: var(--dim); font-size: 13.5px; }

/* Hero sahnesi: simgeden türeyen ışık — altın ışık, çevresinde halkalar. */
.reveal {
  --art-base: #07070a;
  --art-gold: rgba(217, 176, 99, .62);
  --art-steel: rgba(122, 156, 198, .34);
  --art-plum: rgba(176, 142, 192, .22);
  --art-ring: rgba(232, 201, 136, .28);
  --art-top: #0d0c12;
  --art-ember: rgba(170, 96, 40, .38);
  --art-vignette: rgba(0, 0, 0, .55);
  --art-grain: .55;
}
:root[data-theme="light"] .reveal {
  --art-base: #f1ece4;
  --art-gold: rgba(226, 168, 74, .55);
  --art-steel: rgba(61, 106, 168, .22);
  --art-plum: rgba(138, 76, 156, .14);
  --art-ring: rgba(138, 101, 18, .16);
  --art-top: #f6f1e8;
  --art-ember: rgba(230, 150, 80, .28);
  --art-vignette: rgba(120, 90, 40, .14);
  --art-grain: .32;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .reveal {
    --art-base: #f1ece4;
    --art-gold: rgba(226, 168, 74, .55);
    --art-steel: rgba(61, 106, 168, .22);
    --art-plum: rgba(138, 76, 156, .14);
    --art-ring: rgba(138, 101, 18, .16);
    --art-top: #f6f1e8;
    --art-ember: rgba(230, 150, 80, .28);
    --art-vignette: rgba(120, 90, 40, .14);
    --art-grain: .32;
  }
}
.showcase__art {
  position: absolute;
  inset: 0 0 10% 0;
  border-radius: clamp(18px, 2.4vw, 32px);
  overflow: hidden;
  background:
    radial-gradient(60% 55% at 50% 30%, var(--art-gold), transparent 72%),
    radial-gradient(70% 60% at 50% 115%, var(--art-ember), transparent 70%),
    radial-gradient(45% 60% at 100% 0%, var(--art-steel), transparent 72%),
    radial-gradient(42% 58% at 0% 0%, var(--art-plum), transparent 72%),
    radial-gradient(40% 50% at 0% 100%, var(--art-steel), transparent 75%),
    linear-gradient(180deg, var(--art-top), var(--art-base) 60%);
  box-shadow: inset 0 0 0 1px var(--line);
}
/* Kenarlara doğru hafif karartma: ışık ortada toplanıyor. */
.showcase__vignette {
  position: absolute; inset: 0;
  background: radial-gradient(120% 95% at 50% 40%, transparent 55%, var(--art-vignette) 100%);
}
/* Film greni: önceden üretilmiş küçük bir PNG döşeniyor. Tarayıcıda gürültü
   hesaplanmıyor ve karıştırma kipi yok, yani Firefox'ta da ucuz. */
.showcase__grain {
  position: absolute; inset: 0;
  background: url("/media/grain.png") repeat;
  background-size: 200px 200px;
  opacity: var(--art-grain);
}
/* Simgenin altın halkası, pencerenin arkasından doğuyor. */
.halo {
  position: absolute;
  left: 50%; top: 64%;
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.halo--main {
  width: 74%;
  border: 2.5px solid rgba(240, 210, 145, .9);
  box-shadow:
    0 0 14px rgba(246, 220, 160, .55),
    0 0 44px rgba(217, 176, 99, .45),
    inset 0 0 14px rgba(246, 220, 160, .35);
}
.halo--outer {
  width: 96%;
  border: 1px solid var(--art-ring);
  box-shadow: 0 0 80px -10px var(--art-ring);
}
.halo--disc {
  width: 70%;
  background: radial-gradient(circle, rgba(217, 176, 99, .5), rgba(217, 176, 99, .16) 45%, transparent 70%);
}
/* ── Açılış: önce yalnız dock (komut çubuğu) görünür; kaydırınca metin
   çekilir, pencere dock'u yerinde tutarak yukarı doğru açılır. ── */
.reveal__frame { position: relative; }
.reveal__win {
  position: relative;
  width: 900px; height: 520px;
  margin-top: 40px;
  transform-origin: 0 0;
}
#heroTerm { position: absolute; left: 0; top: 0; }
/* macOS pencere gölgesi; kırpılan pencerenin görünen kısmını izler. */
.reveal__shadow {
  position: absolute; left: 0; right: 0; bottom: 0;
  top: var(--clip, 0px);
  border-radius: 16px;
  box-shadow: 0 18px 50px -6px rgba(0, 0, 0, .45), 0 0 0 0.5px rgba(0, 0, 0, .6);
}
.reveal:not(.is-on) .reveal__art { display: none; }

/* Menü de yapışkan ve akışta yer kaplıyor: sahne onun altından başlasın. */
.reveal.is-on { height: calc(100svh + 90svh); padding: 0; overflow: visible; margin-top: calc(-1 * var(--nav-h, 60px)); }
.reveal.is-on .reveal__frame {
  position: sticky; top: 0;
  height: 100svh; max-width: none;
  /* Kesme yok: pencerenin gölgesi çerçevenin altında düz bir çizgiyle
     kesilip şerit gibi görünüyordu. Yatay taşmayı body zaten kırpıyor. */
  overflow: visible;
}
.reveal.is-on .hero__copy {
  position: absolute; left: 50%;
  top: var(--copy-top, 18vh);
  width: min(900px, calc(100% - 2 * var(--gutter)));
  transform: translate(-50%, calc(var(--e, 0) * -96px)) scale(calc(1 - var(--e, 0) * .05));
  opacity: var(--copy-o, 1);
  will-change: transform, opacity;
}
.reveal.is-on .reveal__art {
  position: absolute;
  inset: calc(var(--nav-h, 60px) + 10px) var(--gutter) 14px;
  opacity: var(--art-o, 0);
  transform: scale(calc(.965 + var(--e, 0) * .035));
  will-change: opacity, transform;
}
.reveal.is-on .reveal__win {
  position: absolute; margin: 0;
  left: var(--win-left, 0px); top: var(--win-top, 0px);
  transform-origin: 50% 100%;
  transform: scale(var(--win-s, 1));
  will-change: transform;
}
.reveal.is-on #heroTerm { clip-path: inset(var(--clip, 0px) 0 0 0 round 16px); }


.c-g { color: var(--ok); }
.c-r { color: var(--err); }
.c-y { color: var(--yellow); }
.c-b { color: var(--steel); }
.c-d { color: var(--dim); }

.prompt { margin-right: 1ch; }

/* Yazılan satır ve caret: caret mutlak konumda, sütun sayısıyla kayar. */
.typed {
  position: relative;
  display: inline-flex; align-items: center;
  height: 1.6em; min-width: 1ch;
}
.caret {
  position: absolute;
  left: calc(var(--col, 0) * 1ch);
  top: 50%;
  width: 1ch; height: 1.32em;
  margin-top: -.66em;
  border-radius: .16em;
  background: var(--brass);
  box-shadow: 0 0 .9em color-mix(in srgb, var(--brass) 45%, transparent);
  /* Harf aralığından kısa: imleç bir sonraki harften önce yerine oturuyor. */
  transition: left .12s cubic-bezier(.3, 1.45, .55, 1);
}


/* ───────────── Kalem ve eskiz ───────────── */

#tip path { stroke: var(--brass); }

.sketch { width: 100%; height: auto; display: block; overflow: visible; }
.sketch .pen { color: var(--pencil); }
.sketch .note { color: var(--brass); }
.sketch path, .sketch rect, .sketch circle, .sketch ellipse {
  fill: none; stroke: currentColor; stroke-width: 1.15;
  stroke-linecap: round; stroke-linejoin: round;
}
.sketch .ghost { stroke-width: .9; opacity: .35; }
.sketch .thin { stroke-width: 1.1; opacity: .7; }
.sketch .thick { stroke-width: 2.4; }
.sketch .thick-soft { stroke-width: 2.4; opacity: .8; }
.sketch .dash { stroke-dasharray: 4 6; opacity: .75; }
.sketch .dot { stroke-dasharray: .5 6; stroke-width: 2; opacity: .8; }
.sketch .ok { stroke: var(--ok); stroke-width: 1.6; }
.sketch .no { stroke: var(--err); stroke-width: 1.6; }
.sketch .gold-fill { fill: var(--brass); stroke: none; }
.sketch .ok-fill { fill: var(--ok); stroke: none; }
.sketch .err-fill { fill: var(--err); stroke: none; }
.sketch .grid-lines path { stroke: var(--steel); stroke-width: .9; stroke-dasharray: 2 4; opacity: .55; }
.sketch text {
  font-family: var(--f-mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase;
  fill: currentColor; stroke: none;
}
.sketch text.sm { font-size: 9.5px; }

/* Çizilerek belirme: JS, uzunluğu 1'e normalize eder. */
.js .drawable {
  stroke-dasharray: 1 1;
  stroke-dashoffset: 1;
}
.js .is-drawn .drawable {
  stroke-dashoffset: 0;
  transition: stroke-dashoffset var(--dur, 1.1s) cubic-bezier(.55, .1, .25, 1) var(--delay, 0s);
}
.js .sketch text, .js .sketch .gold-fill, .js .sketch .ok-fill, .js .sketch .err-fill {
  opacity: 0;
  transition: opacity .6s ease var(--tdelay, .6s);
}
.js .is-drawn text, .js .is-drawn .gold-fill, .js .is-drawn .ok-fill, .js .is-drawn .err-fill { opacity: 1; }

/* ───────────── Pafta: patlatılmış aksonometri ───────────── */

.plate {
  margin: 0 auto clamp(18px, 2vw, 24px);
  border: 1px solid var(--line);
  border-radius: 6px;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);
  background-size: 60px 60px, 60px 60px, 12px 12px, 12px 12px;
  overflow: hidden;
}
.plate__scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.plate__svg { display: block; width: 100%; min-width: 760px; height: auto; color: var(--fg); }

.pl-frame { fill: none; stroke: var(--line-strong); stroke-width: 1; }
.pl-frame2 { fill: none; stroke: var(--fg); stroke-opacity: .45; stroke-width: 1.4; }
.pl-tick { stroke: var(--fg); stroke-opacity: .45; stroke-width: 1; }
.pl-zone { font: 500 8px var(--f-mono); fill: var(--dim); text-anchor: middle; }

.pl-proj path { stroke: var(--fg); stroke-opacity: .28; stroke-width: 1; stroke-dasharray: 5 5; fill: none; }

.pl-layer rect, .pl-layer path, .pl-layer circle { stroke-linejoin: round; stroke-linecap: round; }
.pl-sheet { fill: var(--paper); fill-opacity: .55; stroke: var(--fg); stroke-opacity: .45; stroke-width: 1; stroke-dasharray: 3 3; }
.pl-edge { fill: var(--paper); fill-opacity: .35; stroke: var(--fg); stroke-opacity: .85; stroke-width: 1.3; }
.pl-base { fill: color-mix(in srgb, var(--paper) 70%, var(--fg) 8%); stroke: var(--fg); stroke-opacity: .85; stroke-width: 1.3; }
.pl-band { fill: var(--fg); fill-opacity: .06; }
.pl-thin { fill: none; stroke: var(--fg); stroke-opacity: .5; stroke-width: 1; }
.pl-text { fill: none; stroke: var(--fg); stroke-opacity: .75; stroke-width: 2.2; }
.pl-trail { fill: none; stroke: var(--brass); stroke-width: 1.2; stroke-dasharray: 3 3; }
.pl-gold { fill: var(--brass); }
.pl-halo { fill: none; stroke: var(--brass); stroke-opacity: .45; stroke-width: 1; }
.pl-ink-fill { fill: var(--fg); }
.pl-sel { fill: var(--steel); fill-opacity: .22; stroke: var(--steel); stroke-width: 1.2; }
.pl-emoji { fill: #e8c988; }
.pl-emoji2 { fill: #e58b88; }
.pl-ok { fill: var(--ok); }
.pl-err { fill: var(--err); }

.pl-dot { fill: var(--fg); }
.pl-leader { stroke: var(--fg); stroke-opacity: .55; stroke-width: 1; fill: none; }
.pl-bubble { fill: var(--paper); stroke: var(--fg); stroke-opacity: .8; stroke-width: 1; }
.pl-bubble-t { font: 600 11px var(--f-mono); fill: var(--fg); text-anchor: middle; }
.pl-name { font: 500 12.5px var(--f-mono); fill: var(--fg); letter-spacing: .02em; }
.pl-desc { font: 400 12.5px var(--f-body); fill: var(--dim); }
.pl-dim path { stroke: var(--fg); stroke-opacity: .6; stroke-width: 1; fill: none; }
.pl-dim .pl-slash { stroke-opacity: .9; stroke-width: 1.4; }
.pl-dimt { font: 500 9.5px var(--f-mono); fill: var(--dim); letter-spacing: .1em; }
.pl-scale path { stroke: var(--fg); stroke-opacity: .7; stroke-width: 1; fill: none; }
.pl-tbbox { fill: var(--paper); stroke: var(--fg); stroke-opacity: .7; stroke-width: 1.2; }
.pl-tbline { stroke: var(--fg); stroke-opacity: .35; stroke-width: 1; fill: none; }
.pl-tbk { font: 500 9px var(--f-mono); fill: var(--dim); letter-spacing: .12em; }
.pl-tbv { font: 500 12px var(--f-mono); fill: var(--fg); }

/* Açılış: katmanlar önce üst üste, görünür olunca birbirinden ayrılır. */
.js .pl-layer {
  translate: 0 0;
  transition: translate 1.3s cubic-bezier(.2, .8, .2, 1) calc(var(--i) * 40ms);
}
.js .plate:not(.is-drawn) .pl-layer { translate: 0 calc((var(--i) - 3) * 64px); }
.js .pl-proj, .js .pl-legend, .js .pl-dim {
  transition: opacity .8s ease .9s;
}
.js .plate:not(.is-drawn) .pl-proj,
.js .plate:not(.is-drawn) .pl-legend,
.js .plate:not(.is-drawn) .pl-dim { opacity: 0; }

/* ───────────── Eskiz defteri ───────────── */

.section-head { margin-bottom: clamp(40px, 6vw, 72px); }

.sheets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.sheet {
  position: relative;
  counter-increment: detail;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);
  background-size: 60px 60px, 60px 60px, 12px 12px, 12px 12px;
  background-position: -1px -1px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px 26px 28px;
  transition: border-color .25s ease, transform .35s cubic-bezier(.3,1.3,.5,1);
}
.sheet:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.sheets { counter-reset: detail; }
/* Detay balonu: üstte detay numarası, altta paftası — mimari çizimdeki gibi. */
.sheet::before {
  content: counter(detail);
  position: absolute; top: 16px; right: 16px;
  width: 34px; height: 34px;
  display: grid; place-items: start center;
  padding-top: 4px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font: 500 11px/1 var(--f-mono);
  color: var(--fg);
  background: linear-gradient(transparent 49.5%, var(--line-strong) 49.5% 50.5%, transparent 50.5%);
}
.sheet::after {
  content: "A-02";
  position: absolute; top: 37px; right: 16px; width: 34px;
  text-align: center;
  font: 500 7.5px/1 var(--f-mono); letter-spacing: .04em;
  color: var(--dim);
}
.sheet .sketch { margin: 4px -6px 18px; }
.sheet p { color: var(--dim); margin: 10px 0 0; font-size: 15.5px; text-wrap: pretty; }

/* ───────────── Yazım efektleri ───────────── */

.effects {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
  max-width: calc(var(--maxw) + 2 * var(--gutter));
  margin-inline: auto;
}
.effects > * { max-width: none; margin: 0; }

.fx {
  background: var(--surface);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.fx__screen {
  font-family: var(--f-mono);
  font-size: clamp(18px, 2.3vw, 26px);
  height: 5.2em;
  padding: 0 1.1em;
  display: flex; align-items: center;
  white-space: pre;
  border-bottom: 1px solid var(--line);
  background-image: radial-gradient(var(--dotgrid) 1px, transparent 1.2px);
  background-size: 16px 16px;
}
.fx__pick { padding: 22px 24px 26px; }
.fx__label { margin: 0 0 10px; font-size: 13px; color: var(--dim); }
.fx__label + .fx__chips + .fx__label { margin-top: 20px; }
.fx__chips { display: flex; flex-wrap: wrap; gap: 6px; }
.fx__chips button {
  appearance: none; cursor: pointer;
  font: 400 13px/1 var(--f-mono);
  color: var(--dim);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 8px 12px;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}
.fx__chips button:hover { color: var(--fg); border-color: var(--dim); }
.fx__chips button[aria-checked="true"] {
  color: var(--btn-fg); background: var(--btn-bg); border-color: var(--btn-bg);
}

/* Harfler */
.ch { position: relative; display: inline-block; width: 1ch; text-align: center; }
.ch.ghost { position: absolute; top: 0; pointer-events: none; }

@keyframes in-fade { from { opacity: 0; } }
@keyframes in-rise { from { opacity: 0; transform: translateY(45%); } }
@keyframes in-pop { 0% { opacity: 0; transform: scale(.35); } 60% { opacity: 1; transform: scale(1.18); } }
@keyframes in-extrude { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes in-heat { from { color: var(--brass); text-shadow: 0 0 .5em var(--brass); } }
@keyframes in-drop { 0% { opacity: 0; transform: translateY(-90%); } 65% { opacity: 1; transform: translateY(8%); } 82% { transform: translateY(-4%); } }
@keyframes in-ink { from { opacity: .2; filter: blur(3px); font-weight: 100; } }
@keyframes in-squeeze { 0% { transform: scale(.3, 1.6); opacity: 0; } 60% { transform: scale(1.12, .92); opacity: 1; } }
@keyframes echo-out { from { opacity: .55; transform: scale(1); } to { opacity: 0; transform: scale(2.2); } }

@keyframes out-iris { from { clip-path: circle(75% at 50% 50%); } to { clip-path: circle(0% at 50% 50%); } }
@keyframes out-undertow { to { opacity: 0; transform: translate(-40%, 55%) scale(.8); } }
@keyframes out-echo { to { opacity: 0; transform: scale(2.2); } }
@keyframes out-bleed { to { opacity: 0; filter: blur(5px); transform: scale(1.25); } }
@keyframes out-unravel { 0% { clip-path: inset(0 0 0 0); } 100% { clip-path: inset(100% 0 0 0); transform: translateX(40%) skewX(-18deg); opacity: .2; } }
@keyframes out-recede { to { opacity: 0; transform: scale(.2); } }
@keyframes out-sublime { to { opacity: 0; transform: translateY(-80%) scale(1.35); filter: blur(3px); } }
@keyframes out-shatter { 0% { opacity: 1; } 100% { opacity: 0; transform: translate(var(--sx, 20%), 70%) rotate(var(--sr, 40deg)) scale(.7); } }

.ch[data-in="fade"] { animation: in-fade .24s ease-out both; }
.ch[data-in="rise"] { animation: in-rise .26s cubic-bezier(.2,.8,.3,1) both; }
.ch[data-in="pop"] { animation: in-pop .26s ease-out both; }
.ch[data-in="extrude"] { animation: in-extrude .24s ease-out both; }
.ch[data-in="heat"] { animation: in-heat .34s ease-out both; }
.ch[data-in="drop"] { animation: in-drop .3s ease-out both; }
.ch[data-in="ink"] { animation: in-ink .28s ease-out both; }
.ch[data-in="squeeze"] { animation: in-squeeze .28s ease-out both; }
.ch[data-in="echo"] { animation: in-fade .18s ease-out both; }
.ch[data-in="echo"]::after {
  content: attr(data-c);
  position: absolute; inset: 0;
  animation: echo-out .32s ease-out both;
}

.ghost[data-out="iris"] { animation: out-iris .24s ease-in both; }
.ghost[data-out="undertow"] { animation: out-undertow .26s ease-in both; }
.ghost[data-out="echo"] { animation: out-echo .26s ease-out both; }
.ghost[data-out="bleed"] { animation: out-bleed .28s ease-out both; }
.ghost[data-out="unravel"] { animation: out-unravel .28s ease-in both; }
.ghost[data-out="recede"] { animation: out-recede .22s ease-in both; }
.ghost[data-out="sublime"] { animation: out-sublime .3s ease-out both; }
.ghost[data-out="shatter"] { animation: out-shatter .32s cubic-bezier(.5,0,.8,.6) both; }
.ghost[data-out="off"] { display: none; }

/* ───────────── Özellikler ───────────── */

.flist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(32px, 6vw, 96px);
  margin: 0 auto;
}
.flist > div {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.flist dt { font-weight: 500; letter-spacing: -0.005em; }
.flist dd { margin: 0; color: var(--dim); font-size: 15.5px; }

/* ───────────── Temalar ───────────── */

.palettes { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.palette {
  margin: 0;
  border-radius: 18px;
  padding: 26px 26px 28px;
  border: 1px solid var(--line);
}
.palette--dark { background: #000; color: #d8d9dd; border-color: rgba(216,217,221,.14); }
.palette--light { background: #f5f6f8; color: #24262c; border-color: rgba(36,38,44,.12); }
.palette figcaption { font-size: 15px; margin-bottom: 18px; }
.palette figcaption span:last-child { opacity: .6; margin-left: 6px; }
.roles {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px;
}
.roles li { display: flex; align-items: center; gap: 12px; font-size: 14px; }
.roles i {
  width: 30px; height: 30px; border-radius: 8px; flex: none;
  box-shadow: inset 0 0 0 1px rgba(128,128,128,.28);
}
.roles code { font-family: var(--f-mono); font-size: 12px; opacity: .55; margin-left: auto; }
.ansi {
  list-style: none; margin: 22px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(8, 1fr); gap: 5px;
}
.ansi li { aspect-ratio: 1.6; border-radius: 5px; }

/* ───────────── İndir ───────────── */

.download { padding-bottom: clamp(80px, 12vw, 140px); }
.download__card {
  max-width: 760px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.download__icon {
  width: 112px; height: 112px;
  margin-bottom: 30px;
}
.download .lede { margin: 20px auto 34px; }
.download .cta__meta { margin-top: 18px; }
.pending {
  margin: 18px 0 0;
  font-family: var(--f-hand); font-size: 22px; line-height: 1.3;
  color: var(--brass);
  max-width: 26em;
}

.firstrun {
  position: relative;
  margin-top: 64px;
  width: 100%;
  text-align: left;
  background-color: var(--paper);
  background-image: radial-gradient(var(--dotgrid) 1px, transparent 1.2px);
  background-size: 16px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 30px 26px;
}
.firstrun h3 { font-size: 1.2rem; }
.firstrun p { color: var(--dim); margin: 8px 0 14px; font-size: 15.5px; }
.firstrun ol { margin: 0; padding-left: 1.3em; color: var(--fg); font-size: 15.5px; }
.firstrun li { margin: 6px 0; padding-left: 4px; }
.firstrun li::marker { font-family: var(--f-hand); font-size: 1.25em; color: var(--brass); }
.firstrun b { font-weight: 500; }
.firstrun .firstrun__alt { margin: 16px 0 0; padding-top: 14px; border-top: 1px dashed var(--line-strong); font-size: 14.5px; }
.firstrun code { color: var(--fg); overflow-wrap: anywhere; }

/* ───────────── Alt bilgi ───────────── */

.foot { border-top: 1px solid var(--line); padding: 28px var(--gutter) 40px; }
.foot__inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  color: var(--dim); font-size: 14px;
}
.foot p { margin: 0; }
.brand--quiet { color: var(--fg); }

/* ───────────── Duyarlı ───────────── */

@media (max-width: 1020px) {
  .sheets { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .effects { grid-template-columns: 1fr; }
  .flist { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .nav__links { display: none; }
  .palettes { grid-template-columns: 1fr; }

}

@media (max-width: 640px) {
  .halo--main { width: 96%; top: 70%; border-width: 2px; }
  .halo--outer { width: 130%; top: 70%; }
  .halo--disc { width: 90%; top: 70%; }
  .sheets { grid-template-columns: 1fr; }
  .flist > div { grid-template-columns: 1fr; gap: 4px; }
  .roles { grid-template-columns: 1fr; }
  .nav__inner { gap: 12px; }
  .btn--small { padding: 0 13px; }
  .foot__inner { flex-direction: column; align-items: flex-start; }
  .firstrun { padding: 22px 20px; }
  }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0s !important;
  }
  .caret { transition: none; }
  .ch[data-in] { animation: in-fade .2s ease-out both !important; }
  .ch[data-in]::after { display: none; }
  .ghost[data-out] { animation: none !important; display: none; }
  .js .drawable { stroke-dashoffset: 0; }
  .js .pl-layer { transition: none; }
  .js .plate:not(.is-drawn) .pl-layer { translate: 0 0; }
  .js .plate:not(.is-drawn) .pl-proj, .js .plate:not(.is-drawn) .pl-legend, .js .plate:not(.is-drawn) .pl-dim { opacity: 1; }
  .js .sketch text, .js .sketch .gold-fill, .js .sketch .ok-fill, .js .sketch .err-fill { opacity: 1; }
}