/* Henco proposal - Brandcore. Fluid type tokens reflow with the layout; chrome is opaque; slides scroll inside their own box. */

@font-face { font-family: "Geist"; src: url("assets/fonts/geist-latin.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("assets/fonts/instrument-serif-regular.woff2") format("woff2"); font-style: normal; font-weight: 400; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("assets/fonts/instrument-serif-italic.woff2") format("woff2"); font-style: italic; font-weight: 400; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("assets/fonts/jetbrains-mono-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }

:root {
  --ink: #17130e;
  --paper: #f1ead9;
  --paper-card: #fbf7ee;
  --paper-line: #d9cbae;
  --dark: #14110d;
  --dark-2: #0e0c09;
  --cream: #f4eee0;
  --kraft: #c9a46a;
  --rust: #a9542c;
  --rust-ink: #8e4420;
  --bronze: #6b4a1e;
  --mute-dark: #cfc6b4;
  --mute-paper: #4f463a;
  --chrome-h: 74px;
  --bottom-h: 56px;
  --gutter: clamp(20px, 3.6vw, 58px);
  --fs-body: clamp(16px, 0.55vw + 12px, 24px);
  --fs-small: clamp(13px, 0.25vw + 10px, 15px);
  --fs-label: clamp(14px, 0.3vw + 10px, 17px);
  --fs-h2: clamp(40px, 3.6vw + 6px, 66px);
  --fs-card: clamp(22px, 1.2vw + 10px, 32px);
  --fs-cover: clamp(56px, 6.2vw, 120px);
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: "Geist", system-ui, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--cream);
  background: var(--dark);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
img { max-width: 100%; display: block; }
em { font-family: "Instrument Serif", Georgia, serif; font-style: italic; font-weight: 400; letter-spacing: -0.01em; }
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }

.skip { position: absolute; left: -999px; top: 8px; z-index: 60; background: var(--cream); color: var(--ink); padding: 8px 12px; }
.skip:focus { left: 8px; }
.noscript { position: fixed; left: 0; right: 0; bottom: 0; padding: 16px; background: var(--dark-2); z-index: 50; }

/* ---------- chrome (opaque, theme-matched) ---------- */
.chrome {
  position: fixed; top: 0; left: 0; right: 0; z-index: 30;
  height: calc(var(--chrome-h) + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) var(--gutter) 0;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px;
  background: var(--dark-2);
  border-bottom: 1px solid rgba(201, 164, 106, 0.22);
}
.cobrand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.cb-brandcore { height: 26px; width: auto; }
.cb-x { font-family: "Instrument Serif", serif; font-size: 28px; line-height: 1; color: var(--kraft); }
.cb-plate { display: inline-flex; align-items: center; height: 46px; padding: 4px 12px; background: var(--cream); border-radius: 6px; }
.cb-plate img { height: 36px; width: auto; }
.chrome-section {
  font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--mute-dark); white-space: nowrap;
}
.chrome-right { display: flex; align-items: center; gap: 14px; justify-self: end; }
.chrome-count { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); color: var(--cream); letter-spacing: 0.08em; }
.chrome-index {
  min-height: 42px; padding: 8px 16px; background: transparent; color: var(--cream);
  border: 1px solid var(--kraft); border-radius: 4px; cursor: pointer;
  font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); letter-spacing: 0.08em; text-transform: uppercase;
}

.progress { position: fixed; top: calc(var(--chrome-h) + env(safe-area-inset-top)); left: 0; right: 0; height: 2px; z-index: 31; background: rgba(201, 164, 106, 0.16); }
.progress span { display: block; height: 100%; background: var(--kraft); transform-origin: left center; transform: scaleX(0.11); transition: transform 0.45s ease; }

.rail {
  position: fixed; right: 10px; top: 50%; transform: translateY(-50%); z-index: 20;
  display: flex; flex-direction: column; gap: 10px; padding: 8px 6px;
  background: rgba(14, 12, 9, 0.84); border-radius: 999px;
}
.rail button { width: 12px; height: 12px; padding: 0; border-radius: 50%; border: 1px solid rgba(244, 238, 224, 0.7); background: transparent; cursor: pointer; }
.rail button[aria-current="step"] { background: var(--kraft); border-color: var(--kraft); }

/* ---------- deck and slides ---------- */
.deck {
  position: fixed;
  top: calc(var(--chrome-h) + env(safe-area-inset-top)); bottom: calc(var(--bottom-h) + env(safe-area-inset-bottom)); left: 0; right: 0;
  overflow: hidden;
}
.slide {
  position: absolute; inset: 0; z-index: 1;
  overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain;
  opacity: 0; visibility: hidden;
  transform: translate3d(var(--dx, 0px), 0, 0);
  transition: opacity 0.34s ease, transform 0.34s ease, visibility 0s linear 0.34s;
  -webkit-overflow-scrolling: touch;
}
.slide.is-current { opacity: 1; visibility: visible; z-index: 2; transform: none; transition: opacity 0.42s ease, transform 0.42s ease, visibility 0s; }
.slide.dark { background: var(--dark); color: var(--cream); }
.slide.paper { background: var(--paper); color: var(--ink); }
.slide.stage-dark {
  color: var(--cream);
  background:
    radial-gradient(56% 52% at 66% 42%, rgba(201, 164, 106, 0.2), rgba(20, 17, 13, 0) 62%),
    linear-gradient(180deg, #171410 0%, #0e0c09 100%);
}
.slide.boom-out { z-index: 3; pointer-events: none; }
.slide.boom-in { animation: boomIn 0.6s ease 0.5s both; }
@keyframes boomIn { from { opacity: 0; transform: scale(0.965); } to { opacity: 1; transform: none; } }

#deck.shake { animation: shake 0.42s linear; }
@keyframes shake {
  0% { transform: translate3d(0, 0, 0); }
  10% { transform: translate3d(-9px, 4px, 0); }
  20% { transform: translate3d(8px, -5px, 0); }
  30% { transform: translate3d(-7px, 3px, 0); }
  40% { transform: translate3d(6px, -3px, 0); }
  55% { transform: translate3d(-4px, 2px, 0); }
  70% { transform: translate3d(2px, -1px, 0); }
  100% { transform: translate3d(0, 0, 0); }
}
#boom-flash {
  position: fixed; inset: 0; z-index: 35; pointer-events: none; opacity: 0;
  background: radial-gradient(circle at 36% 40%, rgba(255, 247, 230, 0.92), rgba(255, 247, 230, 0) 54%);
}
#boom-flash.go { animation: boomflash 0.6s ease-out; }
@keyframes boomflash { 0% { opacity: 0; } 12% { opacity: 0.9; } 100% { opacity: 0; } }

.inner {
  min-height: 100%; max-width: 1480px; margin: 0 auto;
  padding: clamp(22px, 4vh, 56px) var(--gutter) clamp(28px, 5vh, 64px);
  display: flex; flex-direction: column; gap: clamp(14px, 2.2vh, 26px);
}
.kicker {
  font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--kraft);
}
.paper .kicker { color: var(--bronze); }
h2 { font-size: var(--fs-h2); line-height: 0.98; letter-spacing: -0.045em; font-weight: 600; max-width: 22ch; text-wrap: balance; }
h3 { font-size: var(--fs-card); line-height: 1.08; letter-spacing: -0.03em; font-weight: 600; }
h4 { font-size: var(--fs-label); line-height: 1.3; font-weight: 600; }
.support { font-size: var(--fs-body); max-width: 62ch; color: var(--mute-dark); }
.paper .support { color: var(--mute-paper); }
.source { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); color: var(--mute-dark); }
.paper .source { color: var(--mute-paper); }

/* ---------- 01 cover ---------- */
/* the cover's own background fades out during the BOOM, so the section itself stays transparent */
.slide.cover { background: transparent; }
.cover-bg {
  position: absolute; inset: 0; pointer-events: none; transition: opacity 0.7s ease;
  background:
    radial-gradient(60% 56% at 74% 44%, rgba(201, 164, 106, 0.22), rgba(20, 17, 13, 0) 62%),
    linear-gradient(180deg, #17130e 0%, #14110d 55%, #0e0c09 100%);
}
.cover-grid {
  position: relative; min-height: 100%;
  display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(20px, 3vw, 56px); align-items: center;
  padding: clamp(18px, 3.4vh, 44px) var(--gutter);
}
.cover-copy { display: flex; flex-direction: column; gap: clamp(12px, 2vh, 20px); transition: opacity 0.22s ease; }
.cover h1 { font-size: var(--fs-cover); line-height: 0.9; letter-spacing: -0.055em; font-weight: 600; text-wrap: balance; }
.cover h1 em { display: block; font-size: 1.02em; letter-spacing: -0.03em; color: var(--kraft); }
.lede { font-size: var(--fs-body); max-width: 40em; color: var(--mute-dark); }
.ticker { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.ticker li { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); padding: 6px 10px; border: 1px solid rgba(201, 164, 106, 0.5); border-radius: 3px; color: var(--cream); }
.prepared { font-size: var(--fs-small); color: var(--mute-dark); }
.cue { display: flex; align-items: center; gap: 8px; font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); color: var(--kraft); }
.cue svg { font-size: 18px; flex: none; }
.boom-out .cover-copy { opacity: 0; }
.boom-out .cover-bg { opacity: 0; }

.cover-stage { position: relative; height: min(78dvh, 760px); min-height: 360px; }
.hero-stage {
  position: absolute; inset: 0; overflow: hidden; border-radius: 4px;
  background: radial-gradient(50% 46% at 50% 46%, rgba(201, 164, 106, 0.2), rgba(20, 17, 13, 0) 70%), linear-gradient(180deg, #1c1812, #0e0c09);
}
.hero-stage::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 30%; transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(244, 238, 224, 0), rgba(244, 238, 224, 0.06) 45%, rgba(244, 238, 224, 0));
  pointer-events: none;
}
.hero-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; opacity: 0; transition: opacity 0.8s ease; }
.hero-stage[data-webgl="ready"] canvas { opacity: 1; }
.hero-stage[data-webgl="unavailable"] canvas { display: none; }
.hero-fallback { position: absolute; inset: 0; display: grid; place-items: center; }
.hero-stage[data-webgl="ready"] .hero-fallback { display: none; }
.medallion {
  width: min(70%, 340px); aspect-ratio: 1; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  background: radial-gradient(circle at 50% 40%, #f1e6cf, #d7c29a);
  box-shadow: 0 0 0 10px #2a2219, 0 0 0 12px rgba(201, 164, 106, 0.4), 0 30px 60px rgba(0, 0, 0, 0.5);
}
.medallion-plate img { width: 74%; height: auto; margin: 0 auto; }
.medallion-band { background: var(--rust); color: var(--cream); font-family: "JetBrains Mono", monospace; font-size: 13px; padding: 4px 10px; border-radius: 3px; letter-spacing: 0.06em; }

/* ---------- 02 audit ---------- */
.finding-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.finding {
  background: var(--paper-card); border: 1px solid var(--paper-line); border-radius: 6px;
  padding: clamp(16px, 1.6vw, 26px); display: flex; flex-direction: column; gap: 10px;
}
.finding h3 { font-size: clamp(20px, 1vw + 9px, 28px); }
.finding p { font-size: var(--fs-body); }
.finding header { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.sev, .src-tag { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 8px; border-radius: 3px; }
.sev.high { background: var(--rust-ink); color: #fbf7ee; }
.sev.med { background: #e7dcc4; color: var(--ink); border: 1px solid #b9a57e; }
.src-tag { color: var(--bronze); }
.finding .source { margin-top: auto; }

/* ---------- 03 gap ---------- */
.stat-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.stat { border-top: 1px solid rgba(201, 164, 106, 0.55); padding-top: 12px; display: flex; flex-direction: column; gap: 6px; }
.num { font-size: clamp(56px, 5vw, 96px); font-weight: 600; line-height: 0.9; letter-spacing: -0.04em; color: var(--cream); }
.lab { font-size: var(--fs-label); color: var(--mute-dark); }
.path-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.path { padding: clamp(18px, 2vw, 28px); border: 1px solid rgba(201, 164, 106, 0.4); border-radius: 6px; display: flex; flex-direction: column; gap: 12px; }
.path.concept { background: rgba(201, 164, 106, 0.08); }
.path ol { padding-left: 1.3em; display: grid; gap: 8px; font-size: var(--fs-body); }
.path.today ol li::marker { color: var(--mute-dark); }

/* ---------- 04 flagship ---------- */
.flagship { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(20px, 2.6vw, 48px); align-items: center; }
.flag-copy { display: flex; flex-direction: column; gap: clamp(12px, 2vh, 18px); }
.flag-points { padding-left: 1.2em; display: grid; gap: 6px; font-size: var(--fs-body); color: var(--cream); }
.detail-card { border-left: 4px solid var(--rust); background: rgba(244, 238, 224, 0.05); padding: 14px 16px; display: grid; gap: 8px; font-size: var(--fs-body); }
.detail-card h4 { color: var(--kraft); font-family: "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: 0.08em; font-size: var(--fs-small); }
.detail-card p { color: var(--cream); }

.mockups { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px; align-items: end; min-width: 0; }
.browser {
  margin: 0; min-width: 0; height: min(74dvh, 660px);
  display: flex; flex-direction: column; overflow: hidden; border-radius: 10px; background: #1b1712;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(201, 164, 106, 0.28);
}
.browser-bar { height: 36px; flex: none; display: flex; align-items: center; gap: 12px; padding: 0 12px; background: #26201a; }
.dots { display: inline-flex; gap: 6px; }
.dots i { width: 9px; height: 9px; border-radius: 50%; background: #5c5144; display: block; }
.url { font-family: "JetBrains Mono", monospace; font-size: 13px; color: var(--mute-dark); }
.browser-body { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; background: var(--cream); color: var(--ink); }
.site-head {
  position: sticky; top: 0; z-index: 2; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px;
  padding: 12px 18px; background: var(--cream); border-bottom: 1px solid var(--paper-line);
}
.site-plate img { height: 50px; width: auto; }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px; margin-right: auto; }
.site-nav button {
  min-height: 40px; padding: 8px 12px; background: transparent; border: 0; border-bottom: 2px solid transparent;
  font-weight: 600; font-size: 16px; cursor: pointer; color: var(--ink);
}
.site-nav button[aria-selected="true"] { border-bottom-color: var(--rust); }
.site-call { background: var(--rust); color: var(--cream); text-decoration: none; padding: 10px 14px; border-radius: 4px; font-weight: 600; font-size: 16px; min-height: 42px; display: inline-flex; align-items: center; }
.site-panel { padding: 22px clamp(16px, 2vw, 28px) 30px; display: flex; flex-direction: column; gap: 14px; }
.site-panel h3 { font-size: clamp(24px, 1.8vw + 8px, 34px); max-width: 22ch; }
.site-lede { font-size: clamp(16px, 0.25vw + 14px, 18px); max-width: 52ch; }
.site-cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 18px; background: var(--ink); color: var(--cream); text-decoration: none; border: 1px solid var(--ink); border-radius: 4px; font-weight: 600; font-size: 16px; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.site-note { font-size: 15px; color: var(--mute-paper); }
.site-sub { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); text-transform: uppercase; letter-spacing: 0.08em; color: var(--bronze); margin-top: 6px; }
.brand-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.brand-tiles figure { margin: 0; background: #fffdf7; border: 1px solid #dccdae; padding: 10px; display: flex; align-items: center; justify-content: center; }
.brand-tiles img { width: 100%; height: auto; max-height: 150px; object-fit: contain; }
.hours-strip { display: flex; flex-wrap: wrap; gap: 8px; }
.hours-strip span { font-family: "JetBrains Mono", monospace; font-size: 14px; padding: 6px 10px; border: 1px solid var(--ink); border-radius: 3px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips button { min-height: 40px; padding: 8px 14px; background: transparent; color: var(--ink); border: 1px solid var(--ink); border-radius: 999px; font-weight: 600; font-size: 15px; cursor: pointer; }
.chips button[aria-pressed="true"] { background: var(--ink); color: var(--cream); }
.cat-detail { display: flex; flex-direction: column; gap: 10px; border-top: 1px solid var(--paper-line); padding-top: 14px; }
.cat-detail h4 { font-size: 22px; }
.cat-detail p { font-size: 15px; color: var(--mute-paper); }
.brand-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0 14px; }
.brand-list li { font-size: 16px; padding: 6px 0; border-bottom: 1px solid #dccdae; }

.cal-legend { display: flex; flex-wrap: wrap; gap: 14px; font-family: "JetBrains Mono", monospace; font-size: 13px; }
.lg { display: inline-block; width: 12px; height: 12px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }
.lg.open { background: #ebdfc8; border: 1px solid #b9a57e; }
.lg.early { background: #e7b98b; }
.lg.closed { background: var(--rust-ink); }
.cal-head, .cal-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; }
.cal-head span { font-family: "JetBrains Mono", monospace; font-size: 13px; text-align: center; color: var(--bronze); }
.cal-day {
  min-height: 42px; aspect-ratio: 1.2; background: var(--paper-card); border: 1px solid var(--paper-line); border-radius: 4px;
  font-weight: 600; font-size: 16px; cursor: pointer;
}
.cal-day.closed { background: var(--rust-ink); color: #fbf7ee; border-color: var(--rust-ink); }
.cal-day.early { background: #e7b98b; color: var(--ink); border-color: #c9986b; }
.cal-day[aria-pressed="true"] { outline: 3px solid var(--ink); outline-offset: 2px; }
.cal-detail { border-left: 4px solid var(--rust); background: var(--paper-card); padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; font-size: 16px; }
.cal-detail h4 { font-size: 18px; }
.cal-detail p { font-size: 16px; }
.cal-detail .small { font-size: 14px; color: var(--mute-paper); }

.phone {
  margin: 0; width: clamp(180px, 14vw, 230px); aspect-ratio: 9 / 18.5; padding: 12px;
  border-radius: 30px; background: #0b0a08; box-shadow: 0 40px 70px rgba(0, 0, 0, 0.6); transform: translateY(-26px);
}
.phone-screen { height: 100%; border-radius: 22px; background: var(--cream); color: var(--ink); padding: 14px 12px; display: flex; flex-direction: column; gap: 10px; overflow: hidden; }
.phone-plate img { width: 100%; height: auto; }
.phone-call { display: block; background: var(--rust); color: var(--cream); text-align: center; text-decoration: none; padding: 10px; border-radius: 4px; font-weight: 600; font-size: 15px; }
.phone-line { font-size: 14px; }
.phone-line.small { font-size: 13px; color: var(--mute-paper); }
.phone-sub { font-family: "JetBrains Mono", monospace; font-size: 13px; text-transform: uppercase; color: var(--bronze); }
.phone-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.phone-chips span { font-size: 13px; padding: 4px 8px; border: 1px solid var(--ink); border-radius: 999px; }

/* ---------- 05 system ---------- */
.pillar-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px 22px; }
.pillar { border-top: 2px solid var(--ink); padding-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.pillar p { font-size: var(--fs-body); }
.pnum { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); color: var(--bronze); }
.outcome { margin-top: auto; font-size: var(--fs-small) !important; color: var(--rust-ink) !important; font-weight: 600; }

/* ---------- 06 proof ---------- */
.ba { position: relative; margin-top: 4px; width: 100%; min-height: clamp(300px, 46dvh, 460px); overflow: hidden; border: 1px solid rgba(201, 164, 106, 0.5); --pos: 50%; }
.ba-side { position: absolute; inset: 0; padding: clamp(20px, 3vw, 40px); display: flex; flex-direction: column; gap: 12px; }
.ba-concept { background: var(--cream); color: var(--ink); }
.ba-published { background: #e6dbc2; color: var(--ink); clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.ba-side .label { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); letter-spacing: 0.1em; text-transform: uppercase; color: var(--bronze); }
.ba-big { font-size: clamp(28px, 2.6vw + 6px, 48px); font-weight: 600; letter-spacing: -0.03em; line-height: 1.05; }
.ba-side p { font-size: var(--fs-body); max-width: 40ch; }
.ba-published blockquote { font-size: var(--fs-body); padding-left: 12px; border-left: 3px solid var(--rust); max-width: 46ch; }
.ba-published .source { font-size: var(--fs-small); color: var(--mute-paper); font-family: "JetBrains Mono", monospace; margin-top: auto; }
.ba-range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; margin: 0; cursor: ew-resize; z-index: 3; }
.ba-handle { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 3px; margin-left: -1.5px; background: var(--kraft); z-index: 2; pointer-events: none; }
.ba-handle::after {
  content: ""; position: absolute; top: 50%; left: 50%; width: 44px; height: 44px; transform: translate(-50%, -50%);
  border-radius: 50%; background: var(--kraft); box-shadow: 0 0 0 4px rgba(20, 17, 13, 0.6);
}
.ba-handle::before {
  content: ""; position: absolute; top: 50%; left: 50%; width: 16px; height: 16px; transform: translate(-50%, -50%) rotate(45deg);
  border-left: 3px solid var(--ink); border-bottom: 3px solid var(--ink); z-index: 1;
}

/* ---------- 07 roadmap ---------- */
.phase-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.phase { background: var(--paper-card); border: 1px solid var(--paper-line); padding: clamp(18px, 1.8vw, 26px); display: flex; flex-direction: column; gap: 10px; }
.phase-when { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); text-transform: uppercase; letter-spacing: 0.1em; color: var(--rust-ink); }
.phase ul { padding-left: 1.1em; display: grid; gap: 6px; font-size: var(--fs-body); }
.owner { margin-top: auto; font-size: var(--fs-small); color: var(--mute-paper); padding-top: 8px; border-top: 1px solid var(--paper-line); }
.supply { border-top: 2px solid var(--ink); padding-top: 14px; display: grid; gap: 8px; }
.supply p { font-size: var(--fs-body); max-width: 80ch; }

/* ---------- 08 engagement ---------- */
.tier-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.tier { border: 1px solid rgba(201, 164, 106, 0.4); padding: clamp(18px, 1.8vw, 26px); display: flex; flex-direction: column; gap: 12px; }
.tier.recommended { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.tier-name { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); text-transform: uppercase; letter-spacing: 0.1em; color: var(--kraft); }
.tier.recommended .tier-name { color: var(--rust-ink); }
.tier ul { padding-left: 1.1em; display: grid; gap: 8px; font-size: var(--fs-body); }

/* ---------- 09 close ---------- */
.close { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 22px 28px; align-content: start; }
.rep { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(180px, 30%) minmax(0, 1fr); gap: clamp(18px, 2.4vw, 36px); align-items: start; }
.portrait { margin: 0; }
.portrait img { width: 100%; aspect-ratio: 1; object-fit: cover; object-position: center top; border-radius: 4px; }
.rep-copy { display: flex; flex-direction: column; gap: 10px; }
.rep-copy .kicker { color: var(--bronze); }
.rep-copy h2 { font-size: clamp(36px, 3vw + 8px, 60px); max-width: none; }
.rep-role { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); text-transform: uppercase; letter-spacing: 0.08em; color: var(--bronze); }
.rep-msg { font-size: var(--fs-body); max-width: 46ch; }
.contact { list-style: none; padding: 0; display: grid; gap: 4px; margin-top: 4px; }
.contact li { display: grid; grid-template-columns: 90px minmax(0, 1fr); align-items: center; min-height: 44px; border-bottom: 1px solid var(--paper-line); }
.contact span { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); text-transform: uppercase; color: var(--mute-paper); }
.contact a { font-weight: 600; font-size: var(--fs-body); color: var(--ink); text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.scheduler { grid-column: 1; display: grid; gap: 12px; padding: clamp(18px, 2vw, 26px); border: 1px solid var(--ink); background: var(--paper-card); align-content: start; }
.sched-title { font-weight: 600; font-size: var(--fs-label); }
.scheduler label { display: grid; gap: 6px; font-size: var(--fs-label); font-weight: 600; }
.scheduler input, .scheduler select { min-height: 46px; padding: 8px 10px; background: #fff; border: 1px solid var(--ink); border-radius: 3px; font-size: 16px; }
.draft { justify-self: start; }
.draft[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }
.sched-msg { font-size: 16px; color: var(--mute-paper); }
.closing-line { grid-column: 2; align-self: end; font-family: "Instrument Serif", serif; font-style: italic; font-size: clamp(30px, 2.4vw + 8px, 50px); line-height: 1.02; }
.signoff { grid-column: 2; justify-self: start; display: inline-flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--ink); color: var(--cream); border-radius: 999px; font-size: 15px; font-weight: 600; }
.signoff img { height: 22px; width: auto; }

/* ---------- bottom chrome and index ---------- */
.bottom {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  height: calc(var(--bottom-h) + env(safe-area-inset-bottom)); padding: 0 var(--gutter) env(safe-area-inset-bottom);
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px;
  background: var(--dark-2); color: var(--mute-dark); border-top: 1px solid rgba(201, 164, 106, 0.22);
}
.bottom-note { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-btn {
  min-height: 44px; display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; cursor: pointer;
  background: transparent; color: var(--cream); border: 1px solid rgba(244, 238, 224, 0.5); border-radius: 4px; font-weight: 600; font-size: 15px;
}
.nav-btn svg { font-size: 18px; flex: none; }
.nav-btn:disabled { opacity: 0.35; cursor: default; }

.index-overlay { display: none; position: fixed; inset: 0; z-index: 40; background: rgba(10, 9, 7, 0.95); overflow-y: auto; }
.index-overlay.open { display: block; }
.index-panel { max-width: 1200px; margin: 0 auto; padding: 24px var(--gutter) 40px; }
.index-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.index-head p { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); text-transform: uppercase; letter-spacing: 0.12em; color: var(--kraft); }
.index-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.index-grid button {
  min-height: 112px; padding: 16px; display: flex; flex-direction: column; gap: 6px; text-align: left; cursor: pointer;
  background: #1b1712; color: var(--cream); border: 1px solid rgba(201, 164, 106, 0.3);
}
.index-grid button[aria-current="true"] { border-color: var(--kraft); box-shadow: inset 0 0 0 1px var(--kraft); }
.idx-num, .idx-section { font-family: "JetBrains Mono", monospace; font-size: var(--fs-small); color: var(--mute-dark); }
.idx-title { font-size: 20px; font-weight: 600; }

/* ---------- reflow ---------- */
@media (max-width: 1180px) {
  .finding-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tier-grid, .phase-grid { grid-template-columns: 1fr; }
  .pillar-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  :root { --chrome-h: 58px; --bottom-h: 58px; }
  .chrome { grid-template-columns: 1fr auto; }
  .chrome-section { display: none; }
  .cb-plate { height: 40px; }
  .cb-plate img { height: 30px; }
  .rail { display: none; }
  .cover-grid { grid-template-columns: 1fr; align-content: start; padding-top: 16px; }
  .cover-stage { height: 46dvh; min-height: 300px; order: -1; }
  .flagship, .mockups { grid-template-columns: 1fr; }
  .browser { height: auto; min-height: 560px; max-height: 74dvh; }
  .phone { display: none; }
  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .path-grid { grid-template-columns: 1fr; }
  .close { grid-template-columns: 1fr; }
  .scheduler, .closing-line, .signoff { grid-column: 1; }
  .rep { grid-template-columns: minmax(120px, 36%) minmax(0, 1fr); }
  .bottom { grid-template-columns: auto 1fr auto; }
  .bottom-note { display: none; }
}
@media (max-width: 600px) {
  .finding-grid, .pillar-grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .site-head { padding: 10px 12px; }
  .site-nav button { padding: 8px 9px; font-size: 15px; }
  .cb-x { font-size: 22px; }
  .cb-brandcore { height: 22px; }
  .rep { grid-template-columns: 1fr; }
  .portrait { max-width: 220px; }
  .contact li { grid-template-columns: 74px minmax(0, 1fr); }
  .nav-btn span { display: none; }
  .nav-btn { padding: 8px 12px; }
  .chrome-count { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  .slide, .slide.is-current, .progress span, .cover-copy, .cover-bg, .hero-stage canvas { transition: none !important; }
  .slide.boom-in, #deck.shake, #boom-flash.go { animation: none !important; }
}
html:not(.js) .slide { position: relative; inset: auto; opacity: 1; visibility: visible; transform: none; min-height: 100dvh; }
html:not(.js) body { overflow: auto; }
html:not(.js) .deck { position: static; }
html:not(.js) .chrome, html:not(.js) .progress, html:not(.js) .rail, html:not(.js) .bottom { display: none; }