/* ==========================================================================
   whoisashok.com — styles
   Design tokens, layout, and every CSS-driven animation.
   ========================================================================== */

:root {
  --void: #0c0e12;
  --surface: #14171d;
  --card: #1f2430;
  --amber: #c9952a;
  --amber-soft: rgba(201, 149, 42, 0.16);
  --ink: #e8ecf2;
  --muted: #6b7280;
  --muted-body: #8b9199;
  --border: rgba(232, 236, 242, 0.09);
  --border-strong: rgba(232, 236, 242, 0.18);

  --signal: #38bdf8;
  --growth: #4ade80;
  --alert: #f87171;
  --insight: #a78bfa;

  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --max: 1200px;
  --max-cards: 1100px;
  --max-text: 720px;
  --gutter: 24px;
  --section-gap: 120px;
  --radius: 12px;
  --nav-h: 56px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (max-width: 767px) {
  :root { --section-gap: 80px; --gutter: 20px; }
}

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.is-locked { overflow: hidden; }
body.has-cursor, body.has-cursor a, body.has-cursor button { cursor: none; }

h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 700; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
canvas { display: block; }

:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

.skip-link {
  position: absolute; top: -48px; left: 16px; z-index: 200;
  padding: 8px 12px; background: var(--amber); color: var(--void);
  font-family: var(--font-mono); font-size: 13px; border-radius: 6px;
}
.skip-link:focus { top: 12px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

section { position: relative; }

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.section-intro {
  margin-top: 16px;
  max-width: 600px;
  color: var(--muted-body);
}

/* --------------------------------------------------------------------------
   Loader
   -------------------------------------------------------------------------- */
.loader {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: #000;
  font-family: var(--font-mono);
  color: var(--ink);
}
.loader[hidden] { display: none; }
.loader__inner { width: min(360px, calc(100% - 48px)); }
.loader__monogram {
  font-family: var(--font-display); font-weight: 700;
  font-size: 40px; letter-spacing: 0.1em; color: var(--amber);
  text-align: center; opacity: 0;
}
.loader__status {
  margin-top: 36px; font-size: 13px; letter-spacing: 0.12em; min-height: 20px;
}
.loader__caret {
  display: inline-block; width: 8px; height: 14px; margin-left: 4px;
  vertical-align: -2px; background: var(--amber);
  animation: caret-blink 0.9s steps(1) infinite;
}
@keyframes caret-blink { 50% { opacity: 0; } }
.loader__channels { margin-top: 28px; font-size: 13px; color: var(--muted-body); }
.loader__channel {
  display: flex; justify-content: space-between; padding: 4px 0; opacity: 0;
}
.loader__check { color: var(--growth); }
.loader__progress {
  margin-top: 32px; display: flex; align-items: center; gap: 14px; font-size: 12px;
}
.loader__bar {
  flex: 1; height: 6px; background: #1a1d24; border-radius: 3px; overflow: hidden;
}
.loader__fill { width: 0; height: 100%; background: var(--amber); }
.loader__pct { width: 40px; text-align: right; color: var(--muted-body); }

@media (max-width: 767px) {
  .loader__monogram { font-size: 48px; }
  .loader__channel--desktop { display: none; }
  .loader__inner { width: calc(100% - 48px); }
}

/* --------------------------------------------------------------------------
   Custom cursor (desktop only — enabled via body.has-cursor)
   -------------------------------------------------------------------------- */
.cursor { display: none; }
body.has-cursor .cursor { display: block; }
.cursor__dot, .cursor__ring {
  position: fixed; top: 0; left: 0; z-index: 150; pointer-events: none;
  border-radius: 50%; transform: translate(-50%, -50%);
}
.cursor__dot { width: 8px; height: 8px; background: var(--amber); }
.cursor__ring {
  width: 32px; height: 32px; border: 1px solid var(--amber);
  display: flex; align-items: center; justify-content: center;
  transition: width 0.25s var(--ease-out), height 0.25s var(--ease-out), background-color 0.25s;
}
.cursor__label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em;
  color: var(--ink); white-space: nowrap; opacity: 0; transition: opacity 0.2s;
}
.cursor.is-hover .cursor__ring { width: 48px; height: 48px; background: rgba(201, 149, 42, 0.25); }
.cursor.has-label .cursor__ring { width: 84px; height: 84px; background: rgba(12, 14, 18, 0.85); }
.cursor.has-label .cursor__label { opacity: 1; }
.cursor.is-hidden .cursor__dot, .cursor.is-hidden .cursor__ring { opacity: 0; }

/* --------------------------------------------------------------------------
   Funnel progress indicator (desktop only)
   -------------------------------------------------------------------------- */
.funnel-progress {
  display: none;
  position: fixed; top: 50%; right: 20px; z-index: 40;
  transform: translateY(-50%); height: 320px;
}
@media (min-width: 1200px) { .funnel-progress { display: block; } }
.funnel-progress__track {
  position: absolute; top: 0; right: 0; width: 2px; height: 100%;
  background: rgba(107, 114, 128, 0.35);
}
.funnel-progress__fill {
  width: 100%; height: 100%; background: var(--amber);
  transform-origin: top; transform: scaleY(var(--scroll, 0));
}
@supports (animation-timeline: scroll()) {
  .funnel-progress__fill {
    animation: progress-fill linear both;
    animation-timeline: scroll(root);
  }
  @keyframes progress-fill { from { transform: scaleY(0); } to { transform: scaleY(1); } }
}
.funnel-progress__labels {
  position: absolute; top: 0; right: 12px; height: 100%;
  display: flex; flex-direction: column; justify-content: space-between;
  align-items: flex-end;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
}
.funnel-progress__labels li { transition: color 0.3s, opacity 0.3s; opacity: 0.5; }
.funnel-progress__labels li.is-active { color: var(--amber); opacity: 1; }

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(20px, 3vw, 40px);
  background: transparent;
  transition: background-color 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(12, 14, 18, 0.72);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav__monogram {
  display: inline-flex; align-items: baseline;
  font-family: var(--font-display); font-weight: 700; font-size: 18px;
  letter-spacing: 0.08em; color: var(--amber);
}
.nav__mono-expand, .nav__mono-dot {
  display: inline-block; overflow: hidden; white-space: nowrap;
  transition: max-width 0.3s ease, opacity 0.3s ease;
}
.nav__mono-expand { max-width: 0; opacity: 0; }
.nav__mono-dot { max-width: 2ch; }
@media (hover: hover) and (min-width: 768px) {
  .nav__monogram:hover .nav__mono-expand { max-width: 4.5ch; opacity: 1; }
  .nav__monogram:hover .nav__mono-dot { max-width: 0; opacity: 0; }
}
.nav__links { display: none; align-items: center; gap: 28px; }
@media (min-width: 768px) { .nav__links { display: flex; } }
.nav__links a[data-nav] {
  position: relative; font-weight: 500; font-size: 14px; color: var(--ink);
  padding: 4px 0;
}
.nav__links a[data-nav]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px;
  background: var(--amber); transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}
.nav__links a[data-nav].is-active::after, .nav__links a[data-nav]:hover::after { transform: scaleX(1); }
.nav__cta {
  font-size: 13px; font-weight: 500; padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--amber); color: var(--amber);
  transition: background-color 0.25s, color 0.25s;
}
.nav__cta:hover { background: var(--amber); color: var(--void); }

.nav__burger {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; align-items: center; cursor: pointer;
}
@media (min-width: 768px) { .nav__burger { display: none; } }
.nav__burger span {
  display: block; width: 22px; height: 2px; background: var(--ink);
  transition: transform 0.3s, opacity 0.3s;
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 55; background: var(--void);
  display: flex; flex-direction: column; justify-content: center;
  padding: 80px 24px 32px;
}
.mobile-menu[hidden] { display: none; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 24px; }
.mobile-menu nav a { font-family: var(--font-display); font-weight: 700; font-size: 32px; }
.mobile-menu__cta {
  margin-top: auto; display: block; text-align: center; padding: 16px;
  border: 1px solid var(--amber); color: var(--amber); border-radius: 999px;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  padding: calc(var(--nav-h) + 40px) var(--gutter) 80px;
  overflow: hidden;
}
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__content {
  position: relative; z-index: 1; max-width: var(--max); width: 100%;
  text-align: center;
}
.hero__title {
  font-size: clamp(42px, 7vw, 80px);
  line-height: 1.05; letter-spacing: -0.02em;
  display: flex; flex-direction: column; align-items: center;
  perspective: 800px;
}
.hero__line { display: block; }
.hero__word { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.hero__word > span { display: inline-block; transform-origin: bottom; }
.hero__period { color: var(--amber); display: inline-block; }
.hero__subtitle {
  margin-top: 20px; font-size: 16px; color: var(--muted-body); opacity: 0;
}
.hero__dot { color: var(--amber); margin: 0 4px; }

.hero__scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: none; flex-direction: column; align-items: center; gap: 10px;
  transition: opacity 0.4s;
}
@media (min-width: 768px) { .hero__scroll { display: flex; } }
.hero__scroll.is-hidden { opacity: 0; }
.hero__scroll-text { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; opacity: 0.35; }
.hero__scroll-line { position: relative; width: 1px; height: 40px; background: rgba(232, 236, 242, 0.2); overflow: hidden; }
.hero__scroll-ball {
  position: absolute; left: -2px; top: 0; width: 5px; height: 5px; border-radius: 50%;
  background: var(--amber); animation: scroll-ball 2s ease-in-out infinite;
}
@keyframes scroll-ball { 0% { transform: translateY(-6px); opacity: 0; } 20% { opacity: 1; } 100% { transform: translateY(42px); opacity: 0; } }

@media (max-width: 767px) {
  .hero { justify-content: flex-start; align-items: center; }
  .hero__content { text-align: left; }
  .hero__title { align-items: flex-start; font-size: clamp(30px, 8.6vw, 42px); }
}

/* --------------------------------------------------------------------------
   Proof strip
   -------------------------------------------------------------------------- */
.proof { padding: 40px var(--gutter) var(--section-gap); }
.proof__grid {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gutter);
}
.proof__card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: clamp(20px, 3vw, 36px);
  transition: border-color 0.25s, transform 0.25s;
}
.proof__card:hover { border-color: var(--amber); transform: translateY(-2px); }
.proof__number {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(36px, 5vw, 64px); line-height: 1; letter-spacing: -0.02em;
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 0.15em;
}
.proof__before, .proof__after { display: inline-flex; align-items: baseline; gap: 0.15em; white-space: nowrap; }
.proof__arrow { color: var(--amber); opacity: 0; transition: opacity 0.4s; }
.proof__arrow.is-on { opacity: 1; }
@media (max-width: 767px) { .proof__number { font-size: 32px; } }
.proof__label { margin-top: 14px; font-family: var(--font-mono); font-size: 12px; color: var(--muted-body); line-height: 1.5; }
.count { font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------------------
   Growth Engine (pinned funnel)
   -------------------------------------------------------------------------- */
.engine { padding: 0 var(--gutter); }
.engine__pin {
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: calc(var(--nav-h) + 16px) 0 24px;
  max-width: var(--max); margin: 0 auto;
}
.engine__head { text-align: center; }
.engine__intro {
  margin: 14px auto 0; max-width: 600px; color: var(--muted-body); font-size: 15px;
}
.engine__chips { display: none; }

.funnel {
  position: relative; width: 100%;
  max-width: min(1000px, calc((100vh - 300px) * 1000 / 660));
  aspect-ratio: 1000 / 660;
  margin-top: 24px;
}
.funnel__svg { width: 100%; height: 100%; overflow: visible; }
.funnel__particles { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }

.funnel__channels text {
  font-family: var(--font-mono); font-size: 12px; fill: var(--muted-body);
}
.funnel__channels circle { fill: var(--amber); }
.funnel__connector { fill: none; stroke: rgba(201, 149, 42, 0.55); stroke-width: 1; }
.funnel__shape {
  fill: var(--surface); stroke: var(--amber); stroke-width: 1.25; stroke-linejoin: round;
}
.funnel__stage-name {
  font-family: var(--font-display); font-weight: 700; font-size: 20px;
  fill: var(--ink); text-anchor: middle; letter-spacing: 0.06em;
}
.funnel__stage-sub { font-family: var(--font-mono); font-size: 11px; fill: var(--muted-body); text-anchor: middle; }
.funnel__rate {
  font-family: var(--font-mono); font-size: 11px; fill: var(--amber); text-anchor: middle;
  opacity: 0;
}
.funnel__survivor { fill: var(--amber); opacity: 0; }
.funnel__survivor.is-live { animation: survivor-pulse 1.6s ease-in-out infinite; }
@keyframes survivor-pulse { 0%, 100% { r: 5; opacity: 1; } 50% { r: 9; opacity: 0.55; } }
.funnel__final {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em;
  fill: var(--ink); text-anchor: middle; opacity: 0;
}
.funnel__loop-path { fill: none; stroke: var(--amber); stroke-width: 1; stroke-dasharray: 4 6; }
.funnel__loop-label { font-family: var(--font-mono); font-size: 11px; fill: var(--muted-body); text-anchor: middle; opacity: 0; }

.funnel__notes { position: absolute; inset: 0; pointer-events: none; }
.funnel__note {
  position: absolute; left: 78%; width: 22%;
  padding-left: 14px; border-left: 2px solid var(--amber);
  font-family: var(--font-mono); font-size: 12px; line-height: 1.5; color: var(--muted-body);
  opacity: 0;
}
.funnel__note[data-stage="2"] { top: 31%; }
.funnel__note[data-stage="3"]:nth-of-type(2) { top: 52%; }
.funnel__note[data-stage="3"]:nth-of-type(3) { top: 61%; }
.funnel__note[data-stage="4"] { top: 73%; }

@media (max-width: 767px) {
  .engine__pin { padding-top: calc(var(--nav-h) + 8px); justify-content: flex-start; }
  .engine__head { text-align: left; width: 100%; }
  .engine__intro { display: none; }
  .engine__chips {
    display: flex; flex-wrap: wrap; gap: 6px; width: 100%; margin-top: 14px;
  }
  .engine__chips li {
    font-family: var(--font-mono); font-size: 11px; padding: 4px 10px;
    border: 1px solid var(--border-strong); border-radius: 999px; color: var(--muted-body);
    opacity: 0;
  }
  .funnel {
    max-width: min(100%, calc((100vh - 330px) * 460 / 620));
    aspect-ratio: 460 / 620; margin-top: 12px; margin-inline: auto;
  }
  .funnel__channels, .funnel__loop { display: none; }
  .funnel__stage-name { font-size: 22px; }
  .funnel__stage-sub { font-size: 12px; }
  .funnel__rate { font-size: 12px; }
  .funnel__notes { position: relative; inset: auto; min-height: 44px; margin-top: 8px; }
  .funnel__note { left: 0; width: 100%; top: 0 !important; font-size: 11px; }
}

/* --------------------------------------------------------------------------
   Case studies
   -------------------------------------------------------------------------- */
.work { padding: var(--section-gap) 0; }
.work__head { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.work__track { margin-top: 48px; }
.work__cards {
  display: flex; flex-direction: column; gap: 24px;
  max-width: var(--max-cards); margin: 0 auto; padding: 0 var(--gutter);
}
.case {
  position: relative; display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; cursor: pointer;
  transition: border-color 0.25s, transform 0.3s var(--ease-out);
}
.case:hover, .case:focus-visible { border-color: var(--amber); transform: translateY(-2px); }
.case__meta { font-family: var(--font-mono); font-size: 12px; color: var(--muted-body); letter-spacing: 0.02em; }
.case__problem { margin-top: 12px; font-family: var(--font-body); font-weight: 600; font-size: 20px; line-height: 1.3; }
.case__viz { margin-top: 20px; background: var(--void); border: 1px solid var(--border); border-radius: 8px; padding: 12px; }
.viz { width: 100%; height: auto; display: block; }
.case__metrics { margin-top: 20px; display: flex; gap: 24px; flex-wrap: wrap; }
.case__metrics div { display: flex; flex-direction: column; }
.case__metrics strong { font-family: var(--font-display); font-size: 28px; line-height: 1; letter-spacing: -0.02em; }
.case__metrics span { margin-top: 6px; font-family: var(--font-mono); font-size: 11px; color: var(--muted-body); }

/* mini visualizations */
.viz__grid line { stroke: rgba(232, 236, 242, 0.06); stroke-width: 1; }
.viz__label, .viz__ring-caption, .viz__bar-label { font-family: var(--font-mono); font-size: 9px; fill: var(--muted); }
.viz__line { fill: none; stroke: var(--growth); stroke-width: 2; stroke-linecap: round; }
.viz__area { fill: rgba(74, 222, 128, 0.08); opacity: 0; transition: opacity 0.6s 0.8s; }
.viz__dot { fill: var(--growth); opacity: 0; transition: opacity 0.3s 1.1s; }
.viz.is-on .viz__area, .viz.is-on .viz__dot { opacity: 1; }
.viz__ring-track { fill: none; stroke: var(--card); stroke-width: 10; }
.viz__ring-fill {
  fill: none; stroke: var(--amber); stroke-width: 10; stroke-linecap: round;
  transform: rotate(-90deg); transform-origin: 160px 70px;
}
.viz__ring-value { font-family: var(--font-display); font-weight: 700; font-size: 26px; fill: var(--ink); text-anchor: middle; }
.viz__ring-caption { text-anchor: middle; }
.viz__axis { stroke: rgba(232, 236, 242, 0.15); }
.viz__bar--before { fill: rgba(232, 236, 242, 0.14); }
.viz__bar--after { fill: var(--signal); }
.viz__bar-label { text-anchor: middle; }

@media (min-width: 1200px) {
  .work__track { overflow: hidden; }
  .work__cards {
    flex-direction: row; gap: 32px; max-width: none;
    padding: 0 calc((100vw - var(--max-cards)) / 2 + var(--gutter));
    width: max-content;
  }
  .case { width: 600px; min-height: 480px; flex: none; }
  .case:hover { transform: translateY(-2px) scale(1.01); }
  .work__spacer { width: 1px; flex: none; }
}

/* --------------------------------------------------------------------------
   Arsenal
   -------------------------------------------------------------------------- */
.arsenal { padding: var(--section-gap) var(--gutter); }
.arsenal__head { max-width: var(--max); margin: 0 auto; }
.arsenal__stage { display: none; }
.arsenal__list { max-width: var(--max); margin: 40px auto 0; display: grid; gap: 28px; }
.arsenal__group h3 {
  font-family: var(--font-mono); font-weight: 400; font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--c);
}
.arsenal__tags { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 6px 12px; border: 1px solid var(--border-strong); border-radius: 999px;
  font-family: var(--font-mono); font-size: 12px; color: var(--ink); cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}
.tag:hover, .tag[aria-expanded="true"] { border-color: var(--c); color: var(--c); }
.tag[aria-expanded="true"] { background: color-mix(in srgb, var(--c) 12%, transparent); }
.arsenal__expand { margin-top: 10px; font-size: 14px; color: var(--muted-body); min-height: 0; max-width: 620px; }
.arsenal__expand:empty { display: none; }

@media (min-width: 1200px) {
  .arsenal__stage {
    display: block; position: relative; max-width: var(--max); margin: 40px auto 0;
    height: 560px; border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--surface); overflow: hidden;
  }
  .arsenal__canvas { width: 100%; height: 100%; }
  .arsenal__tooltip {
    position: absolute; z-index: 2; max-width: 280px; padding: 12px 14px;
    background: var(--card); border: 1px solid var(--border-strong); border-radius: 8px;
    pointer-events: none; transform: translate(-50%, 12px);
    font-size: 13px; line-height: 1.5; color: var(--muted-body);
  }
  .arsenal__tooltip[hidden] { display: none; }
  .arsenal__tooltip strong { display: block; font-family: var(--font-mono); font-weight: 400; font-size: 12px; color: var(--ink); margin-bottom: 4px; }
  .arsenal__legend {
    position: absolute; left: 16px; bottom: 14px; display: flex; gap: 18px;
    font-family: var(--font-mono); font-size: 11px; color: var(--muted-body);
  }
  .arsenal__legend li { display: flex; align-items: center; gap: 6px; }
  .arsenal__legend i { width: 8px; height: 8px; border-radius: 50%; background: var(--c); }
  /* keep the tag list reachable by keyboard/screen readers, out of the visual flow */
  .arsenal__list { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); margin: -1px; }
  .arsenal__list:focus-within { position: relative; width: auto; height: auto; overflow: visible; clip: auto; margin: 40px auto 0; }
}

/* --------------------------------------------------------------------------
   Origin story timeline
   -------------------------------------------------------------------------- */
.story { padding: var(--section-gap) var(--gutter); }
.story__head { max-width: var(--max); margin: 0 auto; text-align: center; }
.story__head .section-intro { margin-inline: auto; }
.timeline { position: relative; max-width: 1000px; margin: 64px auto 0; padding: 12px 0; }
.timeline__line {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; margin-left: -1px;
  background: rgba(107, 114, 128, 0.25);
}
.timeline__line-fill { width: 100%; height: 100%; background: var(--amber); transform-origin: top; transform: scaleY(0); }

.milestone { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 0 64px; padding: 24px 0; }
.milestone__node {
  position: absolute; top: 40px; left: 50%; width: 14px; height: 14px; margin-left: -7px;
  border-radius: 50%; background: var(--void); border: 2px solid var(--amber);
  transform: scale(0);
}
.milestone--now .milestone__node { background: var(--amber); }
.milestone--now .milestone__node.is-on { animation: node-glow 2s ease-in-out infinite; }
@keyframes node-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201, 149, 42, 0.5); }
  50% { box-shadow: 0 0 0 12px rgba(201, 149, 42, 0); }
}
.milestone__card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 28px; opacity: 0;
}
.milestone--left .milestone__card { grid-column: 1; }
.milestone--right .milestone__card { grid-column: 2; }
.milestone__year { font-family: var(--font-mono); font-size: 12px; color: var(--amber); letter-spacing: 0.08em; }
.milestone__title { margin-top: 6px; font-size: 22px; }
.milestone__card p:not(.milestone__year) { margin-top: 10px; color: var(--muted-body); font-size: 15px; }
.milestone__card .milestone__close { color: var(--ink); font-weight: 500; font-size: 17px; }

@media (max-width: 767px) {
  .story__head { text-align: left; }
  .story__head .section-intro { margin-inline: 0; }
  .timeline__line { left: 16px; }
  .milestone { grid-template-columns: 1fr; padding-left: 44px; }
  .milestone__node { left: 16px; width: 10px; height: 10px; margin-left: -5px; top: 42px; }
  .milestone--left .milestone__card, .milestone--right .milestone__card { grid-column: 1; }
  .milestone__card { padding: 20px; }
}

/* --------------------------------------------------------------------------
   The Lab
   -------------------------------------------------------------------------- */
.lab { padding: var(--section-gap) var(--gutter); }
.lab__head { max-width: var(--max); margin: 0 auto; }
.lab__grid {
  max-width: var(--max); margin: 40px auto 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px;
}
.lab__card {
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px;
  transition: border-color 0.25s, transform 0.25s;
}
.lab__card:hover { border-color: var(--amber); transform: translateY(-2px); }
.lab__meta { font-family: var(--font-mono); font-size: 12px; color: var(--muted-body); }
.lab__title { margin-top: 8px; font-size: 24px; }
.lab__desc { margin-top: 12px; color: var(--muted-body); font-size: 15px; }
.lab__tags { margin-top: 18px; display: flex; gap: 8px; flex-wrap: wrap; }
.lab__tags span {
  font-family: var(--font-mono); font-size: 11px; padding: 4px 10px;
  border: 1px solid var(--border-strong); border-radius: 999px; color: var(--muted-body);
}
.lab__link { margin-top: 18px; font-weight: 500; color: var(--amber); align-self: flex-start; }
.lab__link:hover { text-decoration: underline; text-underline-offset: 4px; }

.terminal {
  margin-top: 20px; border: 1px solid var(--border); border-radius: 8px; background: #08090c;
  overflow: hidden; height: 200px; display: flex; flex-direction: column;
}
.terminal__bar {
  display: flex; align-items: center; gap: 6px; padding: 8px 10px;
  border-bottom: 1px solid var(--border); background: #0e1015;
}
.terminal__bar span { width: 9px; height: 9px; border-radius: 50%; background: #2a2f3a; }
.terminal__bar em { margin-left: 8px; font-family: var(--font-mono); font-style: normal; font-size: 10px; color: var(--muted); }
.terminal__body {
  margin: 0; padding: 10px 12px; flex: 1; overflow: hidden;
  font-family: var(--font-mono); font-size: 11px; line-height: 1.6; color: #9aa4b2;
}
.terminal__body > span { display: block; animation: terminal-scroll 20s linear infinite; }
.terminal:hover .terminal__body > span { animation-play-state: paused; }
.terminal__body .ok { color: var(--growth); }
.terminal__body .warn { color: var(--amber); }
.terminal__body .dim { color: var(--muted); }
@keyframes terminal-scroll { from { transform: translateY(0); } to { transform: translateY(-50%); } }
@media (max-width: 767px) { .terminal:hover .terminal__body > span { animation-play-state: running; } }

.lab__sim {
  margin-top: 20px; width: 100%; height: 200px; border-radius: 8px;
  background: #08090c; border: 1px solid var(--border);
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */
.connect { padding: var(--section-gap) var(--gutter); max-width: var(--max); margin: 0 auto; }
.connect__grid { margin-top: 40px; display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.connect__details { display: flex; flex-direction: column; gap: 18px; font-family: var(--font-mono); font-size: 14px; }
.connect__row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.connect__value { color: var(--ink); word-break: break-all; }
.connect__action {
  font-family: var(--font-mono); font-size: 12px; color: var(--amber); padding: 4px 10px;
  border: 1px solid var(--amber); border-radius: 999px; cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}
.connect__action:hover { background: var(--amber); color: var(--void); }
.connect__action.is-done { border-color: var(--growth); color: var(--growth); background: transparent; }
.connect__location { color: var(--muted-body); }

.form { display: flex; flex-direction: column; gap: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.form__field { display: flex; flex-direction: column; gap: 6px; }
.form__field label { font-family: var(--font-mono); font-size: 12px; color: var(--muted-body); }
.form input, .form textarea {
  width: 100%; background: var(--void); color: var(--ink); border: 1px solid var(--border-strong);
  border-radius: 8px; padding: 12px 14px; font: inherit; font-size: 15px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form input:focus, .form textarea:focus { outline: none; border-color: var(--amber); box-shadow: 0 0 0 3px var(--amber-soft); }
.form textarea { resize: vertical; min-height: 120px; }
.form__field.is-invalid input, .form__field.is-invalid textarea { border-color: var(--alert); }
.form__error { font-family: var(--font-mono); font-size: 11px; color: var(--alert); min-height: 0; }
.form__error:empty { display: none; }
.form__honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }
.form__submit {
  align-self: flex-start; padding: 12px 22px; border-radius: 999px;
  background: var(--amber); color: var(--void); font-weight: 600; cursor: pointer;
  transition: background-color 0.25s, transform 0.2s, opacity 0.2s;
}
.form__submit:hover { transform: translateY(-1px); }
.form__submit:disabled { opacity: 0.6; cursor: default; }
.form__submit.is-success { background: var(--growth); }
.form__status { font-family: var(--font-mono); font-size: 12px; color: var(--alert); transition: opacity 0.5s; }
.form__status:empty { display: none; }

.confetti { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }

@media (max-width: 767px) {
  .connect__grid { grid-template-columns: 1fr; gap: 32px; }
  .form { padding: 20px; }
}

.footer {
  padding: 32px var(--gutter) 40px; text-align: center;
  font-family: var(--font-mono); font-size: 12px; color: var(--muted);
  border-top: 1px solid var(--border);
}

/* --------------------------------------------------------------------------
   Case study overlay
   -------------------------------------------------------------------------- */
.overlay { position: fixed; inset: 0; z-index: 80; }
.overlay[hidden] { display: none; }
.overlay__backdrop { position: absolute; inset: 0; background: rgba(12, 14, 18, 0.7); opacity: 0; }
.overlay__panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(720px, 100%);
  background: var(--surface); border-left: 1px solid var(--border);
  overflow-y: auto; padding: 72px clamp(24px, 5vw, 56px) 64px;
  transform: translateX(100%);
}
.overlay__close {
  position: absolute; top: 16px; right: 16px; width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center; border-radius: 50%;
  border: 1px solid var(--border-strong); color: var(--ink); cursor: pointer; font-size: 16px;
  transition: border-color 0.2s, color 0.2s;
}
.overlay__close:hover { border-color: var(--amber); color: var(--amber); }
.case-detail[hidden] { display: none; }
.case-detail__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; color: var(--amber); }
.case-detail__title { margin-top: 10px; font-size: clamp(26px, 3vw, 34px); line-height: 1.15; }
.case-detail h3 { margin-top: 32px; font-family: var(--font-mono); font-weight: 400; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-body); }
.case-detail p { margin-top: 12px; max-width: 65ch; color: var(--ink); font-size: 15.5px; }
.case-detail p strong { color: var(--ink); font-weight: 600; }
.case-detail__stack { margin-top: 32px !important; padding-top: 20px; border-top: 1px solid var(--border); font-family: var(--font-mono); font-size: 12px; color: var(--muted-body) !important; }
.case-detail__stack span { color: var(--amber); }

@media (max-width: 767px) {
  .overlay__panel { top: auto; height: 92vh; width: 100%; border-left: 0; border-top: 1px solid var(--border); border-radius: 16px 16px 0 0; transform: translateY(100%); }
}

/* --------------------------------------------------------------------------
   Game mode flash
   -------------------------------------------------------------------------- */
.gamemode {
  position: fixed; inset: 0; z-index: 90; display: flex; align-items: center; justify-content: center;
  pointer-events: none; font-family: var(--font-mono); font-size: clamp(16px, 3vw, 28px);
  letter-spacing: 0.3em; color: var(--amber); text-align: center; padding: 0 24px;
}
.gamemode[hidden] { display: none; }

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */
@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; }
  .hero__subtitle, .milestone__card, .funnel__rate, .funnel__final, .funnel__loop-label, .funnel__note, .engine__chips li, .loader__monogram, .loader__channel { opacity: 1; }
  .milestone__node { transform: scale(1); }
  .timeline__line-fill { transform: scaleY(1); }
  .proof__arrow { opacity: 1; }
  .funnel-progress__fill { animation: none; }
}