/* ==========================================================================
   Pramod Pudasaini · "I build the whole thing."
   Ink, paper and one signal colour. The page is a cross-section of a stack.
   ========================================================================== */

:root {
  --ink: #0c0c0b;
  --ink-2: #131311;
  --ink-3: #1b1b18;
  --ink-4: #252521;
  --paper: #efebe2;
  --paper-2: #cfcabe;
  --mute: #8b867b;
  --faint: #5d5a52;
  --line: rgba(239, 235, 226, 0.09);
  --line-2: rgba(239, 235, 226, 0.17);
  --signal: #ff5a1f;
  --signal-2: #ff8a5c;
  --signal-soft: rgba(255, 90, 31, 0.14);
  --ok: #8ae6a0;

  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;

  --gut: clamp(16px, 4vw, 48px);
  --max: 1320px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
main { overflow-x: clip; }
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }
::selection { background: var(--signal); color: var(--ink); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 4px; }
code, kbd, pre { font-family: var(--mono); }
em { font-style: normal; }

/* film grain, very quiet */
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 100;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap { width: min(100% - 2 * var(--gut), var(--max)); margin-inline: auto; }

.skip {
  position: fixed; left: 16px; top: -60px; z-index: 200;
  background: var(--paper); color: var(--ink); padding: 10px 14px; border-radius: 8px;
}
.skip:focus { top: 16px; }

.live {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--ok); box-shadow: 0 0 0 0 rgba(138, 230, 160, 0.6);
  animation: live 2.2s infinite;
}
@keyframes live {
  0% { box-shadow: 0 0 0 0 rgba(138, 230, 160, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(138, 230, 160, 0); }
  100% { box-shadow: 0 0 0 0 rgba(138, 230, 160, 0); }
}

kbd {
  display: inline-grid; place-items: center;
  min-width: 20px; height: 20px; padding: 0 5px;
  font-size: 11px; line-height: 1;
  border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 5px;
  color: var(--paper-2);
}

/* ------------------------------------------------------------------ buttons */
.btn {
  --bg: transparent; --fg: var(--paper); --bd: var(--line-2);
  display: inline-flex; align-items: center; gap: 10px;
  height: 52px; padding: 0 24px;
  border-radius: 999px; border: 1px solid var(--bd);
  background: var(--bg); color: var(--fg);
  font-weight: 500; font-size: 15px; letter-spacing: -0.01em;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { --bg: var(--paper); --fg: var(--ink); --bd: var(--paper); }
.btn--primary:hover { --bg: var(--signal); --bd: var(--signal); }
.btn--ghost:hover { --bd: var(--paper); }
.btn--sm { height: 36px; padding: 0 16px; font-size: 13.5px; --bg: var(--paper); --fg: var(--ink); --bd: var(--paper); }
.btn--sm:hover { --bg: var(--signal); --bd: var(--signal); transform: none; }
.btn .arr { display: inline-block; transition: transform 0.3s var(--ease); }
.btn:hover .arr { transform: translateY(3px); }
.btn kbd { border-color: rgba(12, 12, 11, 0.25); color: inherit; opacity: 0.7; }

/* ------------------------------------------------------------------ nav */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  height: 68px; padding: 0 var(--gut);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), height 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(12, 12, 11, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
  height: 60px;
}
.nav__brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.02em; white-space: nowrap; }
.mark { width: 26px; height: 26px; fill: none; stroke: var(--paper); stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; }
.mark__top { fill: var(--signal); stroke: var(--signal); transition: transform 0.5s var(--ease-out); }
.nav__brand:hover .mark__top { transform: translateY(-3px); }
.nav__links { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: rgba(19, 19, 17, 0.5); }
.nav__links a {
  padding: 6px 14px; border-radius: 999px; font-size: 14px; color: var(--paper-2);
  transition: color 0.25s, background 0.25s;
}
.nav__links a:hover { color: var(--paper); }
.nav__links a.is-active { background: var(--ink-4); color: var(--paper); }
.nav__tools { display: flex; align-items: center; gap: 10px; }
.nav__clock { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; color: var(--mute); letter-spacing: 0.04em; }
.nav__clock b { color: var(--paper); font-weight: 500; }
.nav__k {
  display: inline-flex; align-items: center; gap: 4px; height: 36px; padding: 0 10px;
  border: 1px solid var(--line-2); border-radius: 999px; background: transparent;
  transition: border-color 0.25s;
}
.nav__k:hover { border-color: var(--paper); }
.nav__k-keys { display: inline-flex; gap: 3px; }
.nav__k-menu { display: none; font-size: 13.5px; font-weight: 500; padding: 0 4px; }

/* ------------------------------------------------------------------ section heads */
.kicker {
  display: flex; align-items: center; gap: 12px; margin: 0 0 28px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mute);
}
.kicker span { color: var(--signal); }
.kicker::after { content: ""; flex: 0 0 48px; height: 1px; background: var(--line-2); }

h2 {
  margin: 0;
  font-size: clamp(44px, 7.2vw, 112px);
  font-weight: 500; line-height: 0.92; letter-spacing: -0.05em;
}
h2 em, .hero__title em, .foot__big em, .scrub em {
  font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.02em;
}
h2 em { color: var(--paper-2); }

.sec-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 24px 48px; margin-bottom: clamp(48px, 7vw, 96px); }
.sec-head .kicker { grid-column: 1 / -1; margin-bottom: 4px; }
.sec-head__note { max-width: 340px; margin: 0; color: var(--mute); font-size: 15px; }
.sec-head__note code { color: var(--paper-2); font-size: 14px; }

/* ------------------------------------------------------------------ reveal */
.rv { opacity: 0; transform: translateY(28px); transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out); }
.rv.is-in { opacity: 1; transform: none; }
.no-js .rv { opacity: 1; transform: none; }

/* ==================================================================== HERO */
.hero { position: relative; padding: 128px 0 40px; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; }
.hero__grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
  mask-image: radial-gradient(ellipse 70% 60% at 68% 42%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 68% 42%, #000 0%, transparent 72%);
  opacity: 0.7;
}
.hero::before {
  content: ""; position: absolute; pointer-events: none;
  width: 60vw; height: 60vw; right: -12vw; top: -10vw;
  background: radial-gradient(circle, rgba(255, 90, 31, 0.13), transparent 62%);
  filter: blur(20px);
}
.hero__inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr); gap: 32px; align-items: center; }

.hero__status {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 32px;
  padding: 7px 14px 7px 12px; border: 1px solid var(--line-2); border-radius: 999px;
  font-size: 13px; color: var(--paper-2); background: rgba(19, 19, 17, 0.6);
}
.hero__title {
  margin: 0 0 32px;
  font-size: clamp(60px, 9.2vw, 152px);
  font-weight: 500; line-height: 0.86; letter-spacing: -0.06em;
}
.hero__title .ln { display: block; overflow: hidden; padding-bottom: 0.06em; margin-bottom: -0.06em; }
.hero__title .ln > span { display: inline-block; transform: translateY(130%); transition: transform 1.1s var(--ease-out); }
.hero__title .ln:nth-child(2) > span { transition-delay: 0.08s; }
.hero__title .ln:nth-child(3) > span { transition-delay: 0.16s; }
.is-ready .hero__title .ln > span { transform: none; }
.hero__title em { color: var(--signal); padding-right: 0.04em; }

.hero__lede { max-width: 520px; margin: 0 0 40px; font-size: clamp(17px, 1.35vw, 19px); color: var(--paper-2); line-height: 1.55; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__status, .hero__lede, .hero__cta { opacity: 0; transform: translateY(16px); transition: opacity 1s var(--ease-out) 0.35s, transform 1s var(--ease-out) 0.35s; }
.hero__lede { transition-delay: 0.45s; }
.hero__cta { transition-delay: 0.55s; }
.is-ready .hero__status, .is-ready .hero__lede, .is-ready .hero__cta { opacity: 1; transform: none; }

/* --- the stack -------------------------------------------------------- */
.hero__visual { position: relative; display: grid; grid-template-columns: 1fr; justify-items: center; opacity: 0; transition: opacity 1.4s var(--ease-out) 0.3s; }
.is-ready .hero__visual { opacity: 1; }
.scene { position: relative; width: 100%; height: clamp(400px, 44vw, 600px); perspective: 2400px; display: grid; place-items: center; }
.stack {
  --s: clamp(200px, 19vw, 270px);
  --gap: 62px;
  --rx: 57deg; --rz: -42deg;
  position: relative; width: var(--s); height: var(--s);
  transform-style: preserve-3d;
  transform: translateY(calc(var(--gap) * 1.6)) rotateX(var(--rx)) rotateZ(var(--rz));
  transition: transform 0.9s var(--ease-out);
}
.slab {
  --lift: 0px;
  position: absolute; inset: 0; transform-style: preserve-3d;
  transform: translateZ(calc(var(--i) * var(--gap) + var(--lift)));
  transition: transform 0.6s var(--ease-out);
}
.slab.is-lift { --lift: 18px; }
.slab__top {
  position: absolute; inset: 0; overflow: hidden;
  background: linear-gradient(135deg, #1d1d1a, #131311 70%);
  border: 1px solid var(--line-2); border-radius: 4px;
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.slab.is-hot .slab__top, .slab.is-lift .slab__top {
  border-color: var(--signal);
  box-shadow: inset 0 0 0 1px rgba(255, 90, 31, 0.35), 0 0 40px rgba(255, 90, 31, 0.18);
}
.slab__edge { position: absolute; background: #0a0a09; border: 1px solid var(--line-2); transition: background 0.3s, border-color 0.3s; }
.slab__edge--b { left: 0; bottom: 0; width: 100%; height: 9px; transform-origin: bottom; transform: rotateX(90deg); background: #1a1a17; }
.slab__edge--l { left: 0; top: 0; width: 9px; height: 100%; transform-origin: left; transform: rotateY(90deg); background: #0e0e0c; }
.slab.is-hot .slab__edge, .slab.is-lift .slab__edge { border-color: rgba(255, 90, 31, 0.6); }
.slab.is-hot .slab__edge--b { background: #3a1a0e; }

.slab__lbl { position: absolute; left: 10%; top: 8%; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mute); }
.slab.is-hot .slab__lbl, .slab.is-lift .slab__lbl { color: var(--signal); }

/* layer faces */
.tbl { position: absolute; inset: 22% 10% 10%; display: grid; gap: 7%; }
.tbl i { display: block; border-top: 1px solid var(--line-2); background: linear-gradient(90deg, rgba(239,235,226,.14) 0 22%, transparent 22% 30%, rgba(239,235,226,.08) 30% 70%, transparent 70% 78%, rgba(239,235,226,.1) 78%); background-size: 100% 4px; background-repeat: no-repeat; background-position: 0 50%; }
.cells { position: absolute; inset: 22% 10% 10%; display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cells i { border-radius: 2px; background: rgba(239, 235, 226, 0.07); transition: background 0.4s; }
.cells i.on { background: var(--signal); }
.cells i.warm { background: rgba(255, 90, 31, 0.35); }
.key { position: absolute; left: 12%; top: 28%; width: 46%; fill: none; stroke: var(--paper-2); stroke-width: 2.2; stroke-linecap: round; }
.slab.is-hot .key { stroke: var(--signal); }
.jwt { position: absolute; left: 12%; bottom: 12%; font-family: var(--mono); font-size: 10px; color: var(--mute); }
.jwt b { color: var(--paper-2); font-weight: 500; }
.code { position: absolute; left: 10%; top: 20%; margin: 0; font-size: 11px; line-height: 1.75; color: var(--paper-2); }
.code b { color: var(--signal); font-weight: 500; }
.ui { position: absolute; inset: 20% 10% 10%; border: 1px solid var(--line-2); border-radius: 6px; padding: 8%; display: grid; grid-template-rows: auto auto 1fr auto; gap: 9%; background: rgba(239,235,226,.03); }
.ui__bar { display: flex; gap: 4px; }
.ui__bar i { width: 6px; height: 6px; border-radius: 50%; background: var(--line-2); }
.ui__row { display: flex; gap: 6%; }
.ui__row span { flex: 1; height: 16px; border-radius: 3px; background: rgba(239,235,226,.08); }
.ui__chart { display: flex; align-items: end; gap: 6%; min-height: 40px; }
.ui__chart i { flex: 1; height: var(--h); background: rgba(239,235,226,.18); border-radius: 2px 2px 0 0; }
.ui__btn { justify-self: start; padding: 5px 10px; border-radius: 4px; background: var(--paper); color: var(--ink); font-size: 10px; font-weight: 600; transition: background .3s; }
.slab.is-hot .ui__btn { background: var(--signal); }
.slab.is-hot .ui__chart i { background: rgba(255, 90, 31, .45); }

.beam {
  position: absolute; left: calc(50% - 1px); top: 50%;
  width: 2px; height: calc(var(--gap) * 4);
  transform-origin: top center; transform: rotateX(90deg);
  background: linear-gradient(to bottom, rgba(255,90,31,0), rgba(255,90,31,.5) 20%, rgba(255,90,31,.5) 80%, rgba(255,90,31,0));
  opacity: 0.55;
}
.packet {
  --pi: 4;
  position: absolute; left: 50%; top: 50%; width: 16px; height: 16px; margin: -8px 0 0 -8px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0 20%, var(--signal) 45%, rgba(255,90,31,0) 72%);
  box-shadow: 0 0 24px 8px rgba(255, 90, 31, 0.45);
  transform: translateZ(calc(var(--pi) * var(--gap) + 14px)) rotateZ(42deg) rotateX(-57deg);
  transition: transform 0.36s var(--ease);
}
.packet.is-res { background: radial-gradient(circle, #fff 0 20%, var(--ok) 45%, rgba(138,230,160,0) 72%); box-shadow: 0 0 24px 8px rgba(138, 230, 160, 0.35); }

.legend {
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  list-style: none; margin: 0; padding: 0; display: grid; gap: 4px;
}
.legend li {
  display: grid; grid-template-columns: 24px auto; column-gap: 8px;
  padding: 6px 10px 6px 8px; border-radius: 8px; cursor: default;
  font-size: 13px; font-weight: 500; color: var(--paper-2);
  transition: background 0.25s, color 0.25s;
}
.legend li span { font-family: var(--mono); font-size: 11px; color: var(--faint); padding-top: 2px; }
.legend li em { grid-column: 2; font-family: var(--mono); font-size: 10.5px; color: var(--faint); font-weight: 400; }
.legend li:hover, .legend li.is-hot { background: var(--ink-3); color: var(--paper); }
.legend li.is-hot span, .legend li:hover span { color: var(--signal); }

.reqlog {
  width: min(440px, 100%); margin-top: -8px;
  border: 1px solid var(--line); border-radius: 12px; background: rgba(19, 19, 17, 0.7);
  font-family: var(--mono); font-size: 11.5px;
  backdrop-filter: blur(6px);
}
.reqlog__head { display: flex; justify-content: space-between; padding: 8px 14px; border-bottom: 1px solid var(--line); color: var(--faint); text-transform: uppercase; letter-spacing: 0.1em; font-size: 10px; }
.reqlog ol { list-style: none; margin: 0; padding: 8px 14px 10px; height: 74px; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; gap: 3px; }
.reqlog li { display: grid; grid-template-columns: 38px 1fr auto 52px; gap: 8px; color: var(--mute); white-space: nowrap; animation: logIn 0.4s var(--ease-out); }
.reqlog li:not(:last-child) { opacity: 0.5; }
.reqlog li b { color: var(--paper); font-weight: 500; }
.reqlog li .p { overflow: hidden; text-overflow: ellipsis; color: var(--paper-2); }
.reqlog li .s { color: var(--ok); }
.reqlog li .s.pending { color: var(--signal); }
.reqlog li .t { text-align: right; }
@keyframes logIn { from { opacity: 0; transform: translateY(6px); } }

.proof {
  list-style: none; margin: clamp(48px, 6vw, 72px) 0 0; padding: 28px 0 0;
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.proof li { display: flex; align-items: center; gap: 14px; }
.proof b { font-size: clamp(36px, 3.6vw, 52px); font-weight: 500; letter-spacing: -0.05em; line-height: 1; }
.proof span { font-size: 13px; line-height: 1.35; color: var(--mute); }

/* ==================================================================== WORK */
.work { padding: clamp(96px, 12vw, 180px) 0 clamp(64px, 8vw, 120px); }
.case {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(28px, 5vw, 80px); align-items: center;
  padding: clamp(48px, 7vw, 104px) 0;
  border-top: 1px solid var(--line);
}
.case--flip { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.case--flip .case__demo { order: -1; }
.case__idx { margin: 0 0 20px; font-family: var(--mono); font-size: 13px; color: var(--signal); }
.case__idx span { color: var(--faint); }
.case__title { margin: 0; font-size: clamp(40px, 5vw, 76px); font-weight: 500; letter-spacing: -0.05em; line-height: 0.95; }
.case__kind { margin: 12px 0 24px; font-family: var(--serif); font-style: italic; font-size: clamp(20px, 1.8vw, 26px); color: var(--paper-2); line-height: 1.2; }
.case__desc { margin: 0 0 28px; color: var(--paper-2); max-width: 470px; }
.case__facts { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 0; border-top: 1px solid var(--line); max-width: 470px; }
.case__facts li { display: flex; gap: 14px; align-items: baseline; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 14px; color: var(--mute); }
.case__facts b { min-width: 84px; color: var(--paper); font-weight: 500; font-size: 15px; }
.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 28px; font-family: var(--mono); font-size: 11.5px; }
.flow span { padding: 5px 10px; border: 1px solid var(--line-2); border-radius: 6px; color: var(--paper-2); background: var(--ink-2); }
.flow i { width: 14px; height: 1px; background: var(--line-2); position: relative; }
.flow i::after { content: ""; position: absolute; right: -1px; top: -2.5px; border: 3px solid transparent; border-left: 4px solid var(--line-2); border-right: 0; }
.case:hover .flow span { border-color: rgba(255, 90, 31, 0.35); }
.case__link {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 500;
  padding-bottom: 4px; border-bottom: 1px solid var(--line-2);
  transition: border-color 0.3s, color 0.3s, gap 0.3s;
}
.case__link:hover { color: var(--signal); border-color: var(--signal); gap: 12px; }

.case__demo { min-width: 0; }
.stage {
  position: relative; overflow: hidden;
  padding: clamp(14px, 3.2vw, 44px);
  border: 1px solid var(--line); border-radius: 22px;
  background:
    radial-gradient(120% 80% at 80% 0%, rgba(255, 90, 31, 0.10), transparent 60%),
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--ink-2);
}
.stage .win { transition: transform 0.7s var(--ease-out), box-shadow 0.7s var(--ease-out); }
.case:hover .stage .win { transform: translateY(-4px); box-shadow: 0 50px 90px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255,255,255,.06); }
.demo-note { display: flex; align-items: center; gap: 10px; margin: 14px 4px 0; font-family: var(--mono); font-size: 12px; color: var(--mute); }
.demo-note i { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); animation: live 2.4s infinite; box-shadow: none; }

/* "render" wipe over each demo, plays once when it scrolls into view */
.wipe {
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
  background:
    linear-gradient(rgba(255,90,31,.22) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(90deg, rgba(255,90,31,.22) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--ink-2);
  clip-path: inset(0 0 0 0);
  transition: clip-path 1.25s cubic-bezier(0.7, 0, 0.2, 1) 0.15s;
  display: grid; place-items: center;
}
.wipe::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--signal); box-shadow: 0 0 22px 4px rgba(255, 90, 31, 0.6); }
.wipe span { font-family: var(--mono); font-size: 12px; color: var(--signal); letter-spacing: 0.08em; }
.wipe span::after { content: "_"; animation: blink 1s steps(1) infinite; }
.stage.is-built .wipe { clip-path: inset(100% 0 0 0); }

/* ---------- shared mini-window chrome (light UIs) */
.win {
  position: relative; border-radius: 12px; overflow: hidden;
  background: #fff; color: #111318;
  font-family: var(--sans); font-size: 13px; line-height: 1.4;
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(255, 255, 255, 0.05);
}
.win__bar { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; background: #f1f1ef; border-bottom: 1px solid #e4e4e0; }
.win__bar > i { width: 10px; height: 10px; border-radius: 50%; background: #d9d9d4; }
.win__bar > i:nth-child(1) { background: #ff6159; } .win__bar > i:nth-child(2) { background: #ffbd2e; } .win__bar > i:nth-child(3) { background: #28c941; }
.win__url { margin-left: 10px; flex: 1; min-width: 0; height: 22px; display: flex; align-items: center; padding: 0 10px; border-radius: 6px; background: #fff; border: 1px solid #e4e4e0; font-size: 11px; color: #6b6b66; font-family: var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.win button { border: 0; background: none; }

/* ---------- 01 FynePDF */
.fyne { --fb: #2f5bff; --fbs: #eef2ff; }
.fyne__body { padding: 18px; display: grid; gap: 14px; background: #f7f8fb; }
.fyne__head b { display: block; font-size: 18px; letter-spacing: -0.02em; color: #0d1220; }
.fyne__head span { font-size: 12px; color: #6b7280; }
.fyne__prompt { background: #fff; border: 1px solid #dfe3ec; border-radius: 12px; padding: 12px; display: grid; gap: 8px; }
.fyne__file { justify-self: start; display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 500; background: var(--fbs); color: #2c3a91; border-radius: 6px; padding: 4px 8px; }
.fyne__file svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 1.3; }
.fyne__file em { color: #6b74b8; font-weight: 400; }
.fyne__text { margin: 0; min-height: 42px; font-size: 15px; color: #111318; letter-spacing: -0.01em; }
.caret { display: inline-block; width: 2px; height: 1.05em; margin-left: 1px; vertical-align: -2px; background: var(--fb); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.fyne__row { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px; }
.fyne__chips { display: flex; flex-wrap: wrap; gap: 6px; }
.fyne__chip { font-size: 11.5px; border: 1px solid #dfe3ec !important; background: #fff !important; border-radius: 999px; padding: 5px 10px; color: #374151; transition: all 0.2s; }
.fyne__chip:hover { border-color: #b8c3e6 !important; }
.fyne__chip[aria-pressed="true"] { border-color: var(--fb) !important; background: var(--fbs) !important; color: var(--fb); }
.fyne__run { flex: none; background: var(--fb) !important; color: #fff; border-radius: 8px; padding: 8px 16px; font-weight: 600; font-size: 13px; transition: transform 0.15s, box-shadow 0.3s; }
.fyne__run:hover { box-shadow: 0 6px 18px -6px var(--fb); }
.fyne__run.is-press { transform: scale(0.94); }
.fyne__split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; }
.fyne__lbl { display: block; font-size: 10.5px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: #9aa1b0; margin-bottom: 8px; }
.fyne__plan { background: #fff; border: 1px solid #dfe3ec; border-radius: 12px; padding: 12px; min-height: 150px; display: flex; flex-direction: column; }
.fyne__steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.fyne__steps li { display: grid; grid-template-columns: 18px 1fr auto; gap: 8px; align-items: center; font-size: 12.5px; animation: logIn 0.35s var(--ease-out); }
.fyne__steps .fyne__empty { display: block; color: #9aa1b0; font-size: 12px; }
.fyne__steps small { color: #8a90a0; font-size: 11px; }
.st { width: 16px; height: 16px; border-radius: 50%; border: 2px solid #c9d2f5; border-top-color: var(--fb); animation: spin 0.7s linear infinite; }
.st.done { animation: none; border: 0; background: #16a34a; position: relative; }
.st.done::after { content: ""; position: absolute; left: 5px; top: 3px; width: 4px; height: 7px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
@keyframes spin { to { transform: rotate(360deg); } }
.fyne__result { margin-top: auto; padding-top: 10px; font-size: 12px; font-weight: 500; color: #15803d; opacity: 0; transform: translateY(4px); transition: all 0.4s var(--ease-out); }
.fyne__result.is-on { opacity: 1; transform: none; }
.fyne__result::before { content: "● "; }
.fyne__tools { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; align-content: start; }
.fyne__tools span { display: flex; align-items: center; gap: 7px; padding: 8px 9px; border-radius: 9px; background: #fff; border: 1px solid #e5e8ef; font-size: 11.5px; font-weight: 500; color: #374151; transition: all 0.3s var(--ease-out); white-space: nowrap; overflow: hidden; }
.fyne__tools svg { flex: none; width: 14px; height: 14px; fill: none; stroke: #6b7280; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; transition: stroke 0.3s; }
.fyne__tools em { margin-left: auto; font-size: 9px; font-weight: 700; color: #7c3aed; background: #f3e8ff; padding: 1px 4px; border-radius: 4px; }
.fyne__tools span.is-lit { border-color: var(--fb); background: var(--fbs); color: var(--fb); transform: scale(1.03); box-shadow: 0 6px 16px -8px var(--fb); }
.fyne__tools span.is-lit svg { stroke: var(--fb); }

/* ---------- 02 Kelme HR */
.hr { --hb: #3653e8; --hbs: #eef1fe; }
.hr__body { display: grid; grid-template-columns: 48px minmax(0, 1fr); background: #f6f7fa; min-height: 380px; }
.hr__side { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 14px 0; background: #fff; border-right: 1px solid #eceef3; }
.hr__side b { width: 26px; height: 26px; display: grid; place-items: center; border-radius: 7px; background: #111318; color: #fff; font-size: 12px; margin-bottom: 6px; }
.hr__side i { width: 18px; height: 18px; border-radius: 5px; background: #e8eaf0; }
.hr__side i.on { background: var(--hb); }
.hr__main { padding: 14px; display: grid; gap: 12px; align-content: start; min-width: 0; }
.hr__top { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.hr__top > b { font-size: 16px; letter-spacing: -0.02em; }
.hr__roles { display: inline-flex; padding: 3px; background: #e9ebf1; border-radius: 9px; }
.hr__roles button { padding: 5px 10px; border-radius: 7px; font-size: 11.5px; font-weight: 500; color: #5b6170; transition: all 0.2s; }
.hr__roles button[aria-pressed="true"] { background: #fff; color: #111318; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1); }
.hr__kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.hr__kpi { position: relative; background: #fff; border: 1px solid #eceef3; border-radius: 10px; padding: 9px 11px; display: grid; gap: 2px; overflow: hidden; }
.hr__kpi span { font-size: 10.5px; color: #8a90a0; white-space: nowrap; }
.hr__kpi b { font-size: 17px; letter-spacing: -0.02em; white-space: nowrap; }
.hr__cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.hr__card { position: relative; background: #fff; border: 1px solid #eceef3; border-radius: 10px; padding: 11px; display: grid; gap: 9px; align-content: start; overflow: hidden; min-height: 112px; }
.hr__card:first-child { grid-column: 1 / -1; min-height: 0; }
.hr__card header { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.hr__card header b { font-size: 12.5px; }
.hr__card header span { font-size: 11px; color: #8a90a0; white-space: nowrap; }
.hr__bar { height: 6px; border-radius: 6px; background: #eceef3; overflow: hidden; }
.hr__bar i { display: block; height: 100%; width: 0; background: var(--hb); border-radius: inherit; transition: width 0.2s linear; }
.hr__payfoot { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.hr__payfoot small { font-size: 11px; color: #6b7280; }
.hr__btn { background: var(--hb) !important; color: #fff; border-radius: 7px; padding: 6px 11px; font-size: 11.5px; font-weight: 600; white-space: nowrap; transition: opacity 0.2s, transform 0.15s; }
.hr__btn:active { transform: scale(0.96); }
.hr__btn:disabled { opacity: 0.5; cursor: default; }
.hr__btn--ghost { background: var(--hbs) !important; color: var(--hb); justify-self: start; }
.hr__reqs { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.hr__reqs li { display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; gap: 8px; align-items: center; animation: logIn 0.35s var(--ease-out); }
.hr__reqs li b { display: block; font-size: 11.5px; }
.hr__reqs li small { font-size: 10.5px; color: #8a90a0; }
.av { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: 9px; font-weight: 700; color: #fff; background: var(--c); }
.hr__acts { display: flex; gap: 4px; }
.hr__acts button { width: 24px; height: 24px; border-radius: 6px; font-size: 11px; display: grid; place-items: center; background: #f0f2f6 !important; color: #5b6170; transition: all 0.2s; }
.hr__acts button[data-act="ok"]:hover { background: #dcfce7 !important; color: #15803d; }
.hr__acts button[data-act="no"]:hover { background: #fee2e2 !important; color: #b91c1c; }
.badge { font-size: 10px; font-weight: 600; padding: 3px 7px; border-radius: 999px; white-space: nowrap; }
.badge--ok { background: #dcfce7; color: #15803d; }
.badge--no { background: #fee2e2; color: #b91c1c; }
.badge--wait { background: #fef3c7; color: #a16207; }
.hr__mine { font-size: 11px; color: #6b7280; }
.hr__scope { margin: 0; font-size: 11px; color: #8a90a0; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.hr__scope code { font-size: 10.5px; color: var(--hb); background: var(--hbs); padding: 2px 6px; border-radius: 4px; }
.hr__deny {
  position: absolute; inset: 0; display: grid; place-items: center; padding: 8px; text-align: center;
  font-family: var(--mono); font-size: 10.5px; color: #b0b5c2;
  background: repeating-linear-gradient(-45deg, #fafbfc 0 6px, #f3f4f7 6px 12px);
  border: 1px dashed #d4d8e1; border-radius: inherit;
  opacity: 0; pointer-events: none; transition: opacity 0.35s;
}
[data-perm].is-denied .hr__deny { opacity: 1; pointer-events: auto; }

/* ---------- 03 Online Learning Center */
.olc { --oy: #ffc727; --on: #10204b; }
.olc__body { padding: 16px; display: grid; gap: 12px; background: #f8f7f3; }
.olc__course { display: flex; gap: 14px; align-items: center; padding: 12px; border-radius: 12px; background: var(--on); color: #fff; }
.olc__ring { position: relative; flex: none; width: 54px; height: 54px; }
.olc__ring svg { width: 100%; height: 100%; transform: rotate(-90deg); fill: none; stroke-width: 4; }
.olc__ring circle { stroke: rgba(255, 255, 255, 0.15); }
.olc__ring .olc__arc { stroke: var(--oy); stroke-linecap: round; stroke-dasharray: 113.1; stroke-dashoffset: 113.1; transition: stroke-dashoffset 0.6s var(--ease-out); }
.olc__ring b { position: absolute; inset: 0; display: grid; place-items: center; font-size: 12px; }
.olc__ttl { display: grid; gap: 1px; min-width: 0; }
.olc__ttl span { font-size: 10.5px; color: var(--oy); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.olc__ttl b { font-size: 16px; letter-spacing: -0.01em; }
.olc__ttl small { font-size: 11px; color: rgba(255, 255, 255, 0.6); }
.olc__lessons { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.olc__lessons button {
  width: 100%; display: grid; grid-template-columns: 16px 20px minmax(0, 1fr) auto; gap: 6px; align-items: center;
  padding: 9px 10px; border-radius: 9px; background: #fff !important; border: 1px solid #e8e6df !important;
  text-align: left; font-size: 12px; font-weight: 500; color: #1f2430; transition: all 0.25s;
}
.olc__lessons button > span { font-family: var(--mono); font-size: 10px; color: #a3a196; }
.olc__lessons button em { font-size: 9.5px; font-weight: 700; padding: 2px 6px; border-radius: 4px; background: #eef7ee; color: #2f7a3a; }
.olc__lessons [data-premium] button em { background: #fff4d1; color: #8a6400; }
.olc__lessons button > i { width: 14px; height: 14px; border-radius: 4px; border: 1.5px solid #c9c6bb; position: relative; transition: all 0.25s; }
.olc__lessons .is-done button > i { background: #16a34a; border-color: #16a34a; }
.olc__lessons .is-done button > i::after { content: ""; position: absolute; left: 3.5px; top: 1px; width: 3px; height: 6px; border: solid #fff; border-width: 0 1.5px 1.5px 0; transform: rotate(45deg); }
.olc__lessons .is-locked button { color: #a3a196; cursor: not-allowed; background: #fbfaf7 !important; }
.olc__lessons .is-locked button > i { border: 0; background: no-repeat center / 12px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23a3a196' stroke-width='1.6'%3E%3Crect x='3' y='7' width='10' height='7' rx='1.5'/%3E%3Cpath d='M5.5 7V5a2.5 2.5 0 0 1 5 0v2'/%3E%3C/svg%3E"); }
.olc__lessons .is-unlocking button { animation: unlock 0.6s var(--ease-out); }
@keyframes unlock { 40% { transform: scale(1.04); border-color: var(--oy); box-shadow: 0 0 0 4px rgba(255, 199, 39, 0.3); } }
.olc__buy { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; padding: 10px 12px; border-radius: 10px; background: #fff; border: 1px solid #e8e6df; }
.olc__pay { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 11px; color: #b5b2a6; }
.olc__pay li { display: flex; align-items: center; gap: 5px; transition: color 0.3s; }
.olc__pay li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #dad7cc; transition: background 0.3s; }
.olc__pay li.is-on { color: #1f2430; }
.olc__pay li.is-on::before { background: #16a34a; }
.olc__btn { background: var(--oy) !important; color: var(--on); font-weight: 700; font-size: 12px; padding: 8px 14px; border-radius: 8px; white-space: nowrap; transition: transform 0.15s, opacity 0.2s; }
.olc__btn:active { transform: scale(0.96); }
.olc__btn:disabled { opacity: 0.55; cursor: default; }

/* ---------- 04 Kelme Store */
.kel { --kr: #d61f2c; }
.kel__cart { margin-left: 8px; font-size: 11px; font-weight: 600; color: #333; display: inline-flex; align-items: center; gap: 5px; }
.kel__cart b { min-width: 18px; height: 18px; padding: 0 5px; display: grid; place-items: center; border-radius: 999px; background: #111; color: #fff; font-size: 10px; transition: transform 0.3s var(--ease-out); }
.kel__cart b.is-bump { transform: scale(1.35); background: var(--kr); }
.kel__body { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); background: #fff; min-height: 340px; }
.kel__stage { display: grid; place-items: center; padding: 18px; background: radial-gradient(circle at 50% 40%, #fafaf8, #ececea); }
.kel__jersey { width: min(100%, 250px); height: auto; filter: drop-shadow(0 18px 18px rgba(0, 0, 0, 0.18)); }
.kel__shirt { fill: var(--k-shirt, #d61f2c); stroke: rgba(0, 0, 0, 0.12); stroke-width: 1; transition: fill 0.45s var(--ease); }
.kel__trim { fill: var(--k-trim, #111); transition: fill 0.45s var(--ease); }
.kel__collar { fill: none; stroke: var(--k-trim, #111); stroke-width: 5; stroke-linecap: round; transition: stroke 0.45s var(--ease); }
.kel__name, .kel__num { fill: var(--k-print, #fff); font-family: var(--sans); font-weight: 700; transition: fill 0.45s var(--ease); }
.kel__name { font-size: 20px; letter-spacing: 3px; }
.kel__num { font-size: 92px; letter-spacing: -4px; }
.kel__panel { padding: 18px; display: flex; flex-direction: column; gap: 12px; border-left: 1px solid #efefec; }
.kel__eyebrow { font-size: 10.5px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--kr); }
.kel__ttl { font-size: 18px; letter-spacing: -0.02em; line-height: 1.15; margin-top: -6px; }
.kel__field { display: grid; gap: 5px; font-size: 11px; font-weight: 600; color: #6b6b66; }
.kel__field input { height: 38px; padding: 0 12px; border-radius: 8px; border: 1px solid #deded9; background: #fafaf8; color: #111; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; outline: none; transition: border-color 0.2s, box-shadow 0.2s; }
.kel__field input:focus { border-color: #111; box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06); }
.kel__sw { display: flex; gap: 8px; }
.kel__sw button { width: 28px; height: 28px; border-radius: 50%; background: var(--c) !important; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.15); transition: transform 0.2s, box-shadow 0.2s; }
.kel__sw button[aria-pressed="true"] { box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.15), 0 0 0 2px #fff, 0 0 0 4px #111; transform: scale(1.06); }
.kel__add { margin-top: auto; height: 40px; border-radius: 8px; background: #111 !important; color: #fff; font-weight: 600; font-size: 13px; transition: background 0.25s, transform 0.15s; }
.kel__add:hover { background: var(--kr) !important; }
.kel__add:active { transform: scale(0.97); }
.kel__toast { min-height: 16px; font-size: 11px; color: #15803d; font-weight: 500; }

/* ==================================================================== ABOUT */
.about { padding: clamp(96px, 12vw, 180px) 0; border-top: 1px solid var(--line); }
.scrub {
  margin: 0 0 clamp(64px, 9vw, 128px);
  font-size: clamp(30px, 4.3vw, 68px); font-weight: 450; line-height: 1.08; letter-spacing: -0.035em;
  max-width: 1180px;
}
.scrub .w { color: var(--faint); transition: color 0.35s; }
.scrub .w.on { color: var(--paper); }
.scrub em .w.on { color: var(--signal); }
.no-js .scrub .w, .reduce .scrub .w { color: var(--paper); }

.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; margin-bottom: 64px; }
.principles article { background: var(--ink); padding: clamp(24px, 3vw, 40px); transition: background 0.4s; }
.principles article:hover { background: var(--ink-2); }
.principles__n { font-family: var(--mono); font-size: 12px; color: var(--signal); }
.principles h3 { margin: 40px 0 12px; font-size: clamp(22px, 2vw, 28px); font-weight: 500; letter-spacing: -0.03em; }
.principles p { margin: 0; color: var(--mute); font-size: 15px; }

.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin: 0; }
.facts div { border-top: 1px solid var(--line-2); padding-top: 16px; }
.facts dt { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); margin-bottom: 10px; }
.facts dd { margin: 0; font-size: 17px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.3; }
.facts small { display: block; margin-top: 4px; font-size: 13px; font-weight: 400; color: var(--mute); letter-spacing: 0; }

/* ==================================================================== STACK */
.stackx { padding: clamp(96px, 12vw, 180px) 0; border-top: 1px solid var(--line); }
.layers { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.layer {
  position: relative; display: grid; grid-template-columns: 56px minmax(200px, 3fr) minmax(0, 7fr); gap: 24px; align-items: center;
  padding: clamp(20px, 2.6vw, 32px) 0; border-bottom: 1px solid var(--line);
  transition: background 0.4s var(--ease);
}
.layer::before { content: ""; position: absolute; left: 0; top: -1px; height: 1px; width: 0; background: var(--signal); transition: width 0.7s var(--ease-out); }
.layer:hover::before { width: 100%; }
.layer__ico svg { width: 44px; height: 44px; }
.layer__ico path { fill: var(--ink-3); stroke: var(--line-2); stroke-width: 1; transition: fill 0.35s, stroke 0.35s; }
.layer__ico path.hl { fill: var(--ink-4); stroke: var(--paper-2); }
.layer:hover .layer__ico path.hl { fill: var(--signal); stroke: var(--signal); }
.layer__head { display: flex; align-items: baseline; gap: 14px; }
.layer__n { font-family: var(--mono); font-size: 12px; color: var(--faint); }
.layer h3 { margin: 0; font-size: clamp(24px, 2.6vw, 38px); font-weight: 500; letter-spacing: -0.04em; }
.layer__items { margin: 0; display: flex; flex-wrap: wrap; gap: 6px 0; font-size: clamp(16px, 1.5vw, 21px); color: var(--paper-2); letter-spacing: -0.015em; }
.layer__items span { transition: color 0.3s; }
.layer__items span:not(:last-child)::after { content: "/"; margin: 0 14px; color: var(--faint); }
.layer:hover .layer__items span { color: var(--paper); }
.layers__foot { margin: 32px 0 0; color: var(--mute); font-size: 16px; max-width: 760px; }
.layers__foot span { color: var(--paper); }

/* ==================================================================== LOG */
.log { padding: clamp(96px, 12vw, 180px) 0; border-top: 1px solid var(--line); }
.git { list-style: none; margin: 0; padding: 0; position: relative; }
.git::before { content: ""; position: absolute; left: 9px; top: 12px; bottom: 12px; width: 2px; background: linear-gradient(var(--signal), var(--line-2) 30%, var(--line-2) 85%, transparent); }
.commit { position: relative; padding: 0 0 clamp(36px, 4.5vw, 56px) 52px; }
.commit__dot { position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 50%; background: var(--ink); border: 2px solid var(--line-2); transition: border-color 0.3s, transform 0.3s; }
.commit--head .commit__dot { border-color: var(--signal); box-shadow: 0 0 0 5px var(--signal-soft); }
.commit--head .commit__dot::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--signal); }
.commit:hover .commit__dot { border-color: var(--paper); transform: scale(1.1); }
.commit__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12.5px; margin-bottom: 12px; }
.commit__hash { color: #e7c46b; }
.ref { padding: 2px 8px; border-radius: 5px; border: 1px solid var(--line-2); color: var(--paper-2); font-size: 11.5px; }
.ref--head { border-color: rgba(255, 90, 31, 0.5); color: var(--signal); background: var(--signal-soft); }
.ref--gold { border-color: rgba(231, 196, 107, 0.45); color: #e7c46b; }
.commit time { color: var(--mute); }
.commit h3 { margin: 0 0 12px; font-size: clamp(24px, 2.8vw, 40px); font-weight: 500; letter-spacing: -0.04em; line-height: 1.1; }
.commit h3 span { color: var(--mute); }
.commit p { margin: 0 0 16px; max-width: 720px; color: var(--paper-2); }
.diff { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; font-family: var(--mono); font-size: 12px; }
.diff li { padding: 3px 8px; border-radius: 5px; background: rgba(138, 230, 160, 0.08); color: var(--ok); }
.commit--edu { padding-bottom: 28px; }
.commit--edu h3 { font-size: clamp(19px, 1.9vw, 26px); }
.commit--edu .commit__meta { margin-bottom: 8px; }
.commit--root { padding-bottom: 0; }

/* ==================================================================== CONTACT */
.contact { padding: clamp(96px, 12vw, 180px) 0 clamp(80px, 9vw, 140px); border-top: 1px solid var(--line); position: relative; }
.contact::before { content: ""; position: absolute; left: 50%; bottom: 0; width: 80vw; height: 50vw; transform: translateX(-50%); background: radial-gradient(ellipse at 50% 100%, rgba(255, 90, 31, 0.12), transparent 60%); pointer-events: none; }
.contact__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.contact h2 { font-size: clamp(52px, 7.6vw, 124px); margin-bottom: 32px; }
.contact h2 em { color: var(--signal); }
.contact__lede { max-width: 480px; color: var(--paper-2); margin: 0 0 40px; font-size: 17px; }
.contact__lede b { color: var(--paper); font-weight: 500; font-family: var(--mono); font-size: 15px; }
.channels { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.channels li { display: grid; grid-template-columns: 96px minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.channels__k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); }
.channels a { font-size: 16px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: color 0.25s; }
.channels a:hover { color: var(--signal); }
.copy { height: 28px; padding: 0 10px; border-radius: 6px; border: 1px solid var(--line-2); background: none; font-family: var(--mono); font-size: 11px; color: var(--paper-2); transition: all 0.25s; }
.copy:hover { border-color: var(--paper); color: var(--paper); }
.copy.is-done { border-color: var(--ok); color: var(--ok); }

.req {
  border: 1px solid var(--line-2); border-radius: 20px; background: rgba(19, 19, 17, 0.85);
  font-family: var(--mono); font-size: 14px; overflow: hidden;
  box-shadow: 0 40px 100px -40px rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(6px);
}
.req__line { display: flex; align-items: center; gap: 12px; padding: 16px 22px; border-bottom: 1px solid var(--line); }
.req__method { padding: 3px 8px; border-radius: 5px; background: var(--signal); color: var(--ink); font-weight: 600; font-size: 12px; }
.req__path { color: var(--paper); }
.req__proto { margin-left: auto; color: var(--faint); font-size: 12px; }
.req__headers { display: grid; gap: 2px; padding: 12px 22px; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--faint); }
.req__json { padding: 18px 22px 8px; display: grid; gap: 4px; }
.req__brace { color: var(--mute); }
.kv { display: grid; grid-template-columns: auto auto minmax(0, 1fr) auto; align-items: center; gap: 8px; padding-left: 20px; }
.kv label { color: #9fc3ff; }
.kv__c { color: var(--faint); }
.kv__v { position: relative; display: flex; align-items: center; min-width: 0; }
.kv__v::before, .kv__v::after { content: '"'; color: var(--ok); }
.kv input, .kv textarea {
  width: 100%; min-width: 0; padding: 8px 4px; border: 0; border-bottom: 1px dashed var(--line-2); background: transparent;
  color: var(--ok); font-family: var(--mono); font-size: 14px; outline: none; resize: none; border-radius: 0;
  transition: border-color 0.25s, background 0.25s;
}
.kv input::placeholder, .kv textarea::placeholder { color: var(--faint); }
.kv input:focus, .kv textarea:focus { border-bottom-color: var(--signal); background: rgba(255, 90, 31, 0.05); }
.kv--msg { align-items: start; }
.kv--msg label, .kv--msg .kv__c { padding-top: 8px; }
.kv--msg .kv__v { align-items: start; }
.kv--msg .kv__v::before { padding-top: 8px; }
.kv--msg .kv__v::after { align-self: end; padding-bottom: 8px; }
.kv.is-bad label { color: var(--signal); }
.kv.is-bad input, .kv.is-bad textarea { border-bottom-color: var(--signal); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.req__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; padding: 18px 22px 22px; }
.req__send { font-family: var(--sans); }
.req__send:disabled { opacity: 0.6; cursor: progress; transform: none; }
.res { font-size: 12.5px; color: var(--mute); }
.res b { font-weight: 500; }
.res .ok { color: var(--ok); }
.res .bad { color: var(--signal); }
.res .wait { color: var(--paper-2); }

/* ==================================================================== FOOTER */
.foot { border-top: 1px solid var(--line); padding: 48px 0 28px; overflow: hidden; }
.foot__big {
  margin: 0 0 32px; font-size: clamp(56px, 13.5vw, 228px); font-weight: 500; letter-spacing: -0.065em; line-height: 0.8;
  white-space: nowrap; color: var(--ink-4);
  background: linear-gradient(180deg, var(--ink-4) 30%, transparent 105%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.foot__big em { padding-left: 0.06em; }
.foot__row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; font-family: var(--mono); font-size: 12px; color: var(--mute); }
.foot__row span:first-child { display: inline-flex; align-items: center; gap: 8px; }
.foot__row a:hover { color: var(--signal); }

/* ==================================================================== PALETTE */
.pal { padding: 0; border: 0; background: transparent; width: min(560px, calc(100% - 32px)); margin: 14vh auto auto; color: var(--paper); }
.pal::backdrop { background: rgba(6, 6, 5, 0.6); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.pal[open] .pal__box { animation: palIn 0.28s var(--ease-out); }
@keyframes palIn { from { opacity: 0; transform: translateY(-8px) scale(0.98); } }
.pal__box { border: 1px solid var(--line-2); border-radius: 16px; background: rgba(22, 22, 20, 0.96); overflow: hidden; box-shadow: 0 40px 120px -20px rgba(0, 0, 0, 0.9); }
.pal__inrow { display: flex; align-items: center; gap: 10px; padding: 0 18px; border-bottom: 1px solid var(--line); }
.pal__inrow > span { color: var(--signal); font-family: var(--mono); font-size: 18px; }
.pal__in { flex: 1; height: 56px; border: 0; background: none; outline: none; font-size: 16px; }
.pal__in::placeholder { color: var(--faint); }
.pal__list { list-style: none; margin: 0; padding: 8px; max-height: 50vh; overflow: auto; }
.pal__list li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 12px; border-radius: 9px; cursor: pointer; font-size: 14.5px; color: var(--paper-2); }
.pal__list li small { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.pal__list li[aria-selected="true"] { background: var(--ink-4); color: var(--paper); }
.pal__list li[aria-selected="true"] small { color: var(--signal); }
.pal__list .pal__none { color: var(--faint); cursor: default; }
.pal__foot { display: flex; gap: 16px; padding: 10px 18px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 11px; color: var(--faint); }
.pal__foot span { display: inline-flex; align-items: center; gap: 4px; }

.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 120; transform: translate(-50%, 20px);
  padding: 10px 16px; border-radius: 999px; background: var(--paper); color: var(--ink); font-size: 14px; font-weight: 500;
  opacity: 0; pointer-events: none; transition: all 0.35s var(--ease-out);
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ==================================================================== RESPONSIVE */
@media (max-width: 1180px) {
  .legend { display: none; }
}
@media (max-width: 1080px) {
  .nav__links { display: none; }
}
@media (max-width: 960px) {
  .hero { padding-top: 112px; min-height: 0; }
  .hero__inner { grid-template-columns: 1fr; gap: 8px; }
  .scene { height: clamp(380px, 92vw, 540px); margin-top: 32px; }
  .stack { --s: clamp(190px, 46vw, 280px); }
  .proof { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .case, .case--flip { grid-template-columns: 1fr; }
  .case--flip .case__demo { order: 0; }
  .sec-head { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .layer { grid-template-columns: 44px minmax(0, 1fr); gap: 10px 16px; }
  .layer__items { grid-column: 2; }
  .contact__grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav { height: 60px; }
  .nav__clock { display: none; }
  .nav__k-keys { display: none; }
  .nav__k-menu { display: inline; }
  .nav__k { padding: 0 12px; }
  .hero__title { font-size: clamp(56px, 17vw, 88px); }
  .hero__status { margin-bottom: 24px; }
  .hero__cta .btn { flex: 1 1 auto; justify-content: center; }
  .proof li { flex-direction: column; align-items: flex-start; gap: 6px; }
  .reqlog li { grid-template-columns: 34px minmax(0, 1fr) auto 44px; gap: 6px; font-size: 10.5px; }
  .stage { border-radius: 16px; padding: 10px; }
  .fyne__split { grid-template-columns: 1fr; }
  .fyne__row { flex-direction: column; align-items: stretch; }
  .fyne__run { align-self: flex-end; }
  .hr__body { grid-template-columns: 1fr; }
  .hr__side { display: none; }
  .hr__kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hr__kpis .hr__kpi:last-child { grid-column: 1 / -1; }
  .hr__cards { grid-template-columns: 1fr; }
  .olc__lessons { grid-template-columns: 1fr; }
  .kel__body { grid-template-columns: 1fr; }
  .kel__panel { border-left: 0; border-top: 1px solid #efefec; }
  .kel__stage { padding: 14px 14px 6px; }
  .kel__jersey { width: 200px; }
  .facts { grid-template-columns: 1fr; }
  .layer__items { font-size: 16px; }
  .layer__items span:not(:last-child)::after { margin: 0 9px; }
  .channels li { grid-template-columns: 76px minmax(0, 1fr) auto; }
  .channels a { font-size: 14.5px; }
  .req { font-size: 13px; border-radius: 16px; }
  .req__line, .req__headers, .req__json, .req__foot { padding-left: 16px; padding-right: 16px; }
  .kv { grid-template-columns: 1fr; gap: 0; padding-left: 8px; }
  .kv .kv__c { display: none; }
  .kv label, .kv--msg label { padding-top: 6px; font-size: 12px; }
  .kv input, .kv textarea { font-size: 16px; }
  .req__send { width: 100%; justify-content: center; }
  .req__send kbd { display: none; }
  .commit { padding-left: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; transition-delay: 0s !important; }
  .wipe { display: none; }
}

/* keep the legend clear of the stack on wide screens */
@media (min-width: 1181px) {
  .scene { padding-left: 170px; }
}