/* Precision Dental web presentation. Readability first: fluid tokens, reflow before shrinking. */

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

:root {
  --ink: #0b1220;
  --ink-2: #111b2e;
  --ink-3: #1a2740;
  --porcelain: #f4f2ec;
  --paper: #f1eee6;
  --paper-card: #fbfaf6;
  --paper-line: #d7d2c5;
  --blue: #1d3fc7;
  --blue-hi: #8fb2ff;
  --red: #9e1b1f;
  --red-tint: #f6dcda;
  --muted-dark: #b7c0d0;
  --muted-paper: #3d4759;
  --ring: #bfd8ff;

  --fs-body: clamp(17px, calc(0.6vw + 11px), 24px);
  --fs-lede: clamp(18px, calc(0.5vw + 12px), 24px);
  --fs-label: clamp(13px, calc(0.2vw + 11px), 15px);
  --fs-h3: clamp(22px, calc(0.9vw + 10px), 34px);
  --fs-h2: clamp(40px, 3.85vw, 62px);
  --fs-h1: clamp(56px, 6.4vw, 118px);
  --gutter: clamp(22px, 4.2vw, 84px);
  --chrome-top: 64px;
  --chrome-bottom: 56px;

  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--ink);
  color: var(--porcelain);
  font-family: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: var(--fs-body);
  line-height: 1.5;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
button, select { font: inherit; color: inherit; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--blue-hi); outline-offset: 3px; border-radius: 3px; }

.skip-link {
  position: fixed; left: 12px; top: 8px; z-index: 50;
  transform: translateY(-160%); background: var(--porcelain); color: var(--ink);
  padding: 10px 14px; border-radius: 6px; font-weight: 600;
}
.skip-link:focus { transform: none; }
.sr-live { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- chrome ---------- */
.chrome { position: fixed; left: 0; right: 0; z-index: 20; background: var(--ink); }
.chrome-top {
  top: 0; height: var(--chrome-top);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 0 var(--gutter);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.lockup { display: flex; align-items: center; gap: 12px; }
.lockup-brandcore { width: 132px; height: auto; }
.lockup-cross { position: relative; width: 14px; height: 14px; }
.lockup-cross::before, .lockup-cross::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 14px; height: 2px;
  background: var(--blue-hi); transform: translate(-50%, -50%) rotate(45deg);
}
.lockup-cross::after { transform: translate(-50%, -50%) rotate(-45deg); }
.lockup-client { width: 112px; height: auto; background: var(--porcelain); border-radius: 6px; padding: 3px 6px; }
.chrome-label {
  margin: 0; font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label);
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-dark);
}
.chrome-right { display: flex; align-items: center; justify-content: flex-end; gap: 16px; }
.chrome-count { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); color: var(--porcelain); }
.icon-btn {
  width: 40px; height: 40px; display: inline-grid; place-items: center; border-radius: 8px;
  background: transparent; border: 1px solid rgba(255,255,255,0.18); color: var(--porcelain); cursor: pointer;
}
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn:hover { background: rgba(255,255,255,0.06); }
.progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: rgba(255,255,255,0.1); }
.progress span { display: block; height: 100%; width: 0; background: var(--blue-hi); transition: width .4s ease; }

.chrome-bottom {
  bottom: 0; height: var(--chrome-bottom);
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px;
  padding: 0 var(--gutter); border-top: 1px solid rgba(255,255,255,0.08);
}
.bottom-note { margin: 0; text-align: center; font-size: var(--fs-label); color: var(--muted-dark); }
.nav-btn {
  display: inline-flex; align-items: center; gap: 10px; min-height: 40px; padding: 8px 16px;
  border-radius: 8px; border: 1px solid rgba(255,255,255,0.22); background: transparent; cursor: pointer;
  font-size: var(--fs-label); letter-spacing: 0.02em; color: var(--porcelain);
}
.nav-btn svg { width: 20px; height: 20px; flex: none; }
.nav-btn:hover:not(:disabled) { background: rgba(255,255,255,0.08); }
.nav-btn:disabled { opacity: 0.35; cursor: default; }
.nav-next { background: var(--blue); border-color: var(--blue); color: #fff; }
.nav-next:hover:not(:disabled) { background: #2a4fd6; }

/* ---------- deck & slides ---------- */
.deck {
  position: fixed; left: 0; right: 0; top: var(--chrome-top); bottom: var(--chrome-bottom);
  overflow: hidden;
}
.slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden; z-index: 1;
  background: var(--ink); color: var(--porcelain);
}
.slide.is-active { opacity: 1; visibility: visible; z-index: 3; animation: slideIn .44s cubic-bezier(.16,1,.3,1) both; }
.slide.is-leaving { opacity: 1; visibility: visible; z-index: 4; }
.slide-inner {
  position: absolute; inset: 0; overflow-y: auto; overflow-x: hidden;
  padding: 36px var(--gutter) 40px; overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
.slide-paper { background: var(--paper); color: var(--ink); }
.slide-dark { background: var(--ink); color: var(--porcelain); }
.slide-stage {
  background:
    radial-gradient(60% 55% at 70% 40%, rgba(64,96,190,0.22), rgba(11,18,32,0) 70%),
    linear-gradient(180deg, #0d1528, #0a1020);
  color: var(--porcelain);
}
.slide-stage::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background-image: linear-gradient(rgba(143,178,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(143,178,255,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
}

@keyframes slideIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: none; }
}

/* transition: scan line (later Next moves) */
.deck::after {
  content: ""; position: absolute; top: -6%; bottom: -6%; left: 0; width: 3px; z-index: 9;
  background: linear-gradient(180deg, transparent, #e4eeff 40%, #8fb2ff 60%, transparent);
  box-shadow: 0 0 28px 6px rgba(143,178,255,0.45); opacity: 0; pointer-events: none;
}
.deck.is-scanning::after { animation: scanX .62s ease-in-out both; }
.deck.is-scanning.dir-back::after { animation-name: scanXBack; }
@keyframes scanX {
  0% { left: -2%; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { left: 102%; opacity: 0; }
}
@keyframes scanXBack {
  0% { left: 102%; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { left: -2%; opacity: 0; }
}

/* ---------- type ---------- */
.kicker {
  margin: 0 0 14px; font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: var(--fs-label); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-paper);
}
.kicker-light { color: var(--muted-dark); }
.h2, h1, h2, h3, h4 { font-family: "Geist", system-ui, sans-serif; font-weight: 600; letter-spacing: -0.035em; line-height: 1.02; margin: 0; }
.h2 { font-size: var(--fs-h2); max-width: 22ch; }
.h2 em, h1 em { font-family: "Instrument Serif", Georgia, serif; font-style: italic; font-weight: 400; letter-spacing: -0.01em; }
.h2-light { color: var(--porcelain); }
.support { margin: 18px 0 0; max-width: 64ch; font-size: var(--fs-body); color: var(--muted-paper); }
.support-light { color: var(--muted-dark); }
.slide-head { margin-bottom: clamp(18px, 2.4vw, 32px); }
.slide-head-tight { margin-bottom: 14px; }
.slide-head-tight .support { margin-top: 10px; }
h3 { font-size: var(--fs-h3); letter-spacing: -0.02em; line-height: 1.1; }
h4 { font-size: var(--fs-h3); line-height: 1.15; letter-spacing: -0.02em; }
p { margin: 0 0 10px; }
.src {
  font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label);
  color: var(--muted-paper); letter-spacing: 0.02em; margin-top: 10px !important;
}
.slide-dark .src, .slide-stage .src { color: var(--muted-dark); }
.what-works { margin-top: 22px; max-width: 80ch; font-size: var(--fs-body); color: var(--muted-paper); }
.fine { margin-top: 18px; font-size: var(--fs-label); color: var(--muted-dark); }
.proof-note, .draft-note, .cal-legend { font-size: var(--fs-label); color: var(--muted-dark); margin-top: 14px; }
.slide-paper .proof-note { color: var(--muted-paper); }

/* ---------- cover ---------- */
.slide-cover { background: var(--ink); }
.slide-cover .slide-inner { padding: 0; overflow: hidden; }
.cover-grid {
  position: absolute; inset: 0; display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.2fr);
}
.cover-stage { position: relative; overflow: hidden; background: #0a1020; order: 2; min-height: 100%; }
.cover-photo {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0.34; filter: saturate(0.8) contrast(1.05); transition: opacity .6s ease;
}
.cover-scrim {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(55% 60% at 50% 50%, rgba(11,18,32,0) 0%, rgba(11,18,32,0.75) 78%),
    linear-gradient(180deg, rgba(11,18,32,0.35), rgba(11,18,32,0.9));
}
.cover-mount { position: absolute; inset: 0; }
.cover-mount canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
.cover-fallback { position: absolute; inset: 0; display: grid; place-items: center; transition: opacity .6s ease; }
.porcelain-tile {
  width: min(66%, 560px); aspect-ratio: 3.2 / 2.1; border-radius: 6% / 9%;
  display: grid; place-items: center; padding: 3%;
  background: radial-gradient(70% 70% at 50% 35%, #f8f7f2 0%, #e6e4dc 72%, #cfccc2 100%);
  box-shadow: inset 0 0 0 clamp(6px, 1vw, 12px) #b9c2d1, inset 0 0 0 calc(clamp(6px, 1vw, 12px) + 2px) #5c6778,
    0 40px 80px rgba(0,0,0,0.55);
}
.porcelain-tile img { width: 82%; height: auto; }
.cover-webgl .cover-fallback { opacity: 0; pointer-events: none; }
.cover-static .cover-hint { display: none; }
.cover-hint {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); margin: 0; z-index: 2;
  font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); color: var(--muted-dark);
  letter-spacing: 0.04em; pointer-events: none; white-space: nowrap;
}
.cover-copy {
  order: 1; position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center;
  padding: calc(var(--chrome-top) + 20px) clamp(22px, 4vw, 80px) 80px var(--gutter);
  background: linear-gradient(90deg, var(--ink) 70%, rgba(11,18,32,0));
  transition: opacity .35s ease;
}
.slide-cover.is-leaving .cover-copy { opacity: 0; }
.slide-cover.is-leaving .cover-stage { z-index: 6; }
.cover-title { font-size: var(--fs-h1); line-height: 0.92; letter-spacing: -0.05em; max-width: 12ch; }
.cover-title em { color: var(--blue-hi); }
.lede { font-size: var(--fs-lede); line-height: 1.5; max-width: 52ch; margin-top: clamp(18px, 2.4vw, 30px); }
.lede-light { color: var(--muted-dark); }
.ticker { list-style: none; margin: clamp(18px, 2.4vw, 30px) 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.ticker li {
  font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label);
  border: 1px solid rgba(143,178,255,0.4); border-radius: 999px; padding: 6px 14px; color: var(--porcelain);
}
.prepared { margin-top: clamp(18px, 2.4vw, 28px); font-size: var(--fs-body); color: var(--muted-dark); }
.prepared strong { color: var(--porcelain); font-weight: 600; }
.cover-note { font-size: var(--fs-label); color: var(--muted-dark); margin-top: 8px; }
.scroll-cue { display: none; }

/* ---------- audit ---------- */
.findings { 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: 10px;
  padding: clamp(18px, 1.6vw, 26px); display: flex; flex-direction: column;
}
.finding h3 { margin: 14px 0 10px; color: var(--ink); }
.finding p { font-size: var(--fs-body); color: var(--muted-paper); line-height: 1.5; }
.finding .src { margin-top: auto; padding-top: 10px; font-size: var(--fs-label); }
.sev {
  display: inline-block; align-self: flex-start; font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: var(--fs-label); letter-spacing: 0.06em; text-transform: uppercase; border-radius: 4px; padding: 3px 10px;
}
.sev-high { background: var(--red); color: #fff; }
.sev-medium { border: 1.5px solid var(--ink); color: var(--ink); }

/* ---------- path ---------- */
.path-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr); gap: clamp(24px, 3vw, 56px); align-items: start; }
.col-label {
  font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted-dark); margin: 0 0 14px;
}
.col-label-gold { color: var(--blue-hi); }
.path-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.path-list li {
  display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; align-items: start;
  background: var(--ink-2); border: 1px solid rgba(255,255,255,0.08); border-radius: 10px; padding: 16px 18px;
}
.path-list h3 { font-size: clamp(20px, calc(0.5vw + 12px), 26px); margin-bottom: 6px; }
.path-list p { font-size: var(--fs-body); color: var(--muted-dark); margin: 0; }
.path-list .src { color: var(--muted-dark); font-size: var(--fs-label); }
.step-n {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); background: #2a3a5e; color: var(--porcelain);
}
.path-list-next li { background: #14243f; border-color: rgba(143,178,255,0.35); }
.path-list-next .step-n { background: var(--blue); color: #fff; }
.inline-figure { margin: 22px 0 0; }
.inline-figure img { width: 100%; max-width: 420px; border-radius: 10px; background: #fff; }
.inline-figure figcaption { font-size: var(--fs-label); color: var(--muted-dark); margin-top: 8px; max-width: 52ch; }
.scenario {
  margin-top: clamp(20px, 2.6vw, 34px); border-left: 3px solid var(--blue-hi); padding: 6px 0 6px 20px; max-width: 80ch;
}
.scenario p { font-size: var(--fs-body); color: var(--porcelain); }
.scenario-tag { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); color: var(--blue-hi); text-transform: uppercase; letter-spacing: 0.06em; }
.scenario em { font-family: "Instrument Serif", Georgia, serif; font-size: 1.15em; }
.count-line { font-size: var(--fs-label); color: var(--muted-dark); }

/* ---------- flagship concept ---------- */
.stage-grid { display: grid; grid-template-columns: minmax(0, 1fr) clamp(240px, 19vw, 300px); gap: clamp(18px, 2.2vw, 36px); align-items: start; position: relative; z-index: 1; }
.browser {
  background: #f7f5ef; color: var(--ink); border-radius: 12px; overflow: hidden;
  box-shadow: 0 40px 90px rgba(0,0,0,0.55), 0 0 0 1px rgba(143,178,255,0.25);
}
.browser-bar { display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: #e7e3d8; border-bottom: 1px solid #d3cdbd; }
.dots { display: inline-flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: #b9b3a2; display: block; }
.url {
  flex: 1; min-width: 0; font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label);
  color: var(--muted-paper); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  background: #f7f5ef; border-radius: 6px; padding: 4px 10px;
}
.browser-nav { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding: 10px 18px; background: #fff; border-bottom: 1px solid #e1dccd; }
.mini-logo img { width: clamp(120px, 12vw, 170px); height: auto; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab {
  min-height: 40px; padding: 8px 16px; border-radius: 999px; border: 1px solid #cfc9b8; background: transparent;
  font-size: var(--fs-label); cursor: pointer; color: var(--ink);
}
.tab[aria-selected="true"] { background: var(--ink); color: var(--porcelain); border-color: var(--ink); }
.panel { padding: clamp(14px, 1.6vw, 24px); max-height: min(64vh, 620px); overflow-y: auto; }
.panel[hidden] { display: none; }
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 20px; align-items: center; }
.hero img { width: 100%; height: auto; border-radius: 10px; aspect-ratio: 600 / 401; object-fit: cover; }
.mock-kicker { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted-paper); margin: 0 0 8px; }
.mock-h { font-size: clamp(24px, calc(0.9vw + 10px), 36px); line-height: 1.05; letter-spacing: -0.03em; margin-bottom: 10px; color: var(--ink); }
.mock-h em { font-family: "Instrument Serif", Georgia, serif; font-weight: 400; font-style: italic; }
.mock-p { font-size: var(--fs-body); color: #2c3446; margin: 0 0 14px; }
.mock-cta { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px;
  border-radius: 8px; border: 1px solid transparent; text-decoration: none; cursor: pointer;
  font-size: var(--fs-label); font-weight: 600; letter-spacing: 0.01em; line-height: 1.2; text-align: center;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover:not(:disabled) { background: #2a4fd6; }
.btn-primary:disabled { background: #7e8aa8; color: #fff; cursor: default; }
.btn-ghost { background: transparent; color: var(--ink); border-color: #0b1220; }
.btn-block { width: 100%; }
.windows { margin-top: 18px; padding-top: 14px; border-top: 1px solid #e1dccd; }
.windows-label { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); color: var(--muted-paper); margin: 0 0 8px; }
.windows ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 8px; flex-wrap: wrap; }
.windows li { font-size: var(--fs-label); border: 1px solid #b9b3a2; border-radius: 6px; padding: 6px 12px; background: #fff; color: var(--ink); }
.svc-head { margin-bottom: 14px; }
.svc-head .mock-p { margin: 0; }
.svc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.svc-card { background: #fff; border: 1px solid #e1dccd; border-radius: 10px; padding: 12px; }
.svc-card img { width: 100%; height: 118px; object-fit: cover; border-radius: 6px; margin-bottom: 10px; }
.svc-card h4 { font-size: var(--fs-label); color: var(--ink); margin-bottom: 6px; letter-spacing: -0.01em; }
.svc-card p { font-size: var(--fs-label); color: #2c3446; margin: 0; line-height: 1.45; }
.svc-card-edu img { height: auto; object-fit: contain; background: #fff; }
.visit-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr); gap: 18px; align-items: start; }
.office-switch { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  min-height: 40px; padding: 8px 14px; border-radius: 999px; border: 1px solid #b9b3a2; background: #fff;
  color: var(--ink); font-size: var(--fs-label); cursor: pointer;
}
.chip.is-on { background: var(--ink); color: var(--porcelain); border-color: var(--ink); }
.office-tel { font-size: var(--fs-label); margin: 10px 0 12px; color: #2c3446; }
.office-tel a { color: var(--blue); font-weight: 600; }
.cal { background: #fff; border: 1px solid #e1dccd; border-radius: 10px; padding: 12px; }
.cal-title { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); color: var(--muted-paper); margin: 0 0 10px; }
.cal-head, .cal-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.cal-head span { font-size: var(--fs-label); text-align: center; color: var(--muted-paper); }
.cal-day, .cal-blank { aspect-ratio: 1 / 0.82; }
.cal-day {
  border: 1px solid transparent; background: #f3f1ea; border-radius: 6px; font-size: var(--fs-label);
  color: var(--ink); cursor: pointer; min-height: 40px;
}
.cal-day.is-closed { color: #8a8f9c; background: #ebe8df; cursor: default; }
.cal-day:not(:disabled):hover { border-color: var(--blue); }
.cal-day.is-picked { background: var(--blue); color: #fff; }
.cal-legend { margin: 10px 0 0; color: var(--muted-paper); }
.visit-side { background: #fff; border: 1px solid #e1dccd; border-radius: 10px; padding: 14px; }
.sel-day { color: var(--ink); font-size: clamp(20px, calc(0.5vw + 12px), 26px); margin-bottom: 10px; }
.slot-list { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 8px; }
.slot {
  width: 100%; min-height: 44px; text-align: left; padding: 8px 12px; border-radius: 8px; border: 1px solid #b9b3a2;
  background: #fbfaf6; color: var(--ink); font-size: var(--fs-label); cursor: pointer;
}
.slot[aria-pressed="true"] { background: var(--ink); color: var(--porcelain); border-color: var(--ink); }
.slot.is-taken { color: #7a8091; background: #ebe8df; cursor: not-allowed; text-decoration: line-through; }
.sel-detail { font-size: var(--fs-label); color: #2c3446; margin: 0 0 12px; }
.visit-side .draft-note { color: var(--muted-paper); }

/* phone + readable detail */
.phone-wrap { position: relative; z-index: 1; }
.phone {
  width: 100%; max-width: 300px; margin: 0 auto; padding: 14px; border-radius: 40px; background: #0c0f16;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6), inset 0 0 0 2px #2a3140;
}
.phone-screen { background: #f7f5ef; color: var(--ink); border-radius: 28px; overflow: hidden; min-height: 520px; }
.phone-bar { background: #fff; padding: 12px 14px; border-bottom: 1px solid #e1dccd; }
.phone-bar img { width: 120px; height: auto; }
.phone-hero { width: 100%; height: 150px; object-fit: cover; }
.phone-body { padding: 14px; display: grid; gap: 10px; }
.phone-body .btn { font-size: var(--fs-label); }
.phone-hours { font-size: var(--fs-label); color: #2c3446; margin: 0; }
.phone-note { font-size: var(--fs-label); color: var(--muted-paper); margin: 0; }
.mock-detail { display: none; margin-top: 16px; background: #14213a; border: 1px solid rgba(143,178,255,0.35); border-radius: 12px; padding: 16px; color: var(--porcelain); }
.mock-detail .mock-kicker { color: var(--blue-hi); }
.mock-detail ol { margin: 0; padding-left: 20px; display: grid; gap: 10px; font-size: var(--fs-body); }
.mock-detail strong { color: #fff; }

/* ---------- system ---------- */
.system-layout { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.4fr); gap: clamp(22px, 3vw, 48px); align-items: start; }
.system-photo { margin: 0; }
.system-photo img { width: 100%; height: auto; border-radius: 12px; aspect-ratio: 622 / 350; object-fit: cover; }
.system-photo figcaption { font-size: var(--fs-label); color: var(--muted-paper); margin-top: 8px; }
.pillars { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.pillar { background: var(--paper-card); border: 1px solid var(--paper-line); border-radius: 10px; padding: clamp(16px, 1.5vw, 22px); }
.pillar-n { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); color: var(--blue); }
.pillar h3 { margin: 8px 0 8px; color: var(--ink); }
.pillar p { font-size: var(--fs-body); color: var(--muted-paper); margin: 0; }

/* ---------- proof ---------- */
.ba {
  position: relative; min-height: clamp(300px, 46vh, 420px); border-radius: 12px; overflow: hidden;
  touch-action: pan-y; cursor: ew-resize; user-select: none; --split: 50%;
  border: 1px solid rgba(143,178,255,0.3);
}
.ba-pane { position: absolute; inset: 0; padding: clamp(20px, 2.4vw, 34px); display: flex; flex-direction: column; gap: 8px; }
.ba-before { background: #1a1f2b; color: var(--porcelain); clip-path: inset(0 calc(100% - var(--split)) 0 0); }
.ba-after { background: #f7f5ef; color: var(--ink); clip-path: inset(0 0 0 var(--split)); }
.ba-tag { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); text-transform: uppercase; letter-spacing: 0.05em; margin: 0 0 6px; }
.ba-before .ba-tag { color: var(--muted-dark); }
.ba-after .ba-tag { color: var(--blue); }
.ba-title { font-size: clamp(20px, calc(0.6vw + 12px), 28px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; margin: 0 0 8px; }
.ba-h { font-size: var(--fs-label); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; margin: 10px 0 0; }
.ba-body { font-size: var(--fs-body); line-height: 1.5; margin: 0; }
.ba-handle {
  position: absolute; top: 0; bottom: 0; left: var(--split); width: 2px; background: #fff; transform: translateX(-1px);
  z-index: 3; cursor: ew-resize; touch-action: none;
}
.ba-handle:focus-visible { outline-offset: 6px; }
.ba-knob {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 48px; height: 48px; border-radius: 50%;
  background: var(--blue); color: #fff; display: grid; place-items: center; box-shadow: 0 6px 18px rgba(0,0,0,0.4);
}
.ba-knob svg { width: 22px; height: 22px; }
.proof-note { max-width: 80ch; }

/* ---------- roadmap ---------- */
.phases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.phase { background: var(--paper-card); border: 1px solid var(--paper-line); border-radius: 12px; padding: clamp(18px, 1.8vw, 28px); display: flex; flex-direction: column; }
.phase-day { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: clamp(14px, 0.4vw + 12px, 16px); color: var(--blue); text-transform: uppercase; letter-spacing: 0.06em; margin: 0 0 8px; }
.phase h3 { color: var(--ink); margin-bottom: 14px; }
.phase dl { margin: 0; display: grid; gap: 10px; }
.phase dt { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); color: var(--muted-paper); text-transform: uppercase; letter-spacing: 0.05em; }
.phase dd { margin: 0 0 4px; font-size: var(--fs-body); color: var(--ink); }
.phase-launch { background: var(--ink); color: var(--porcelain); border-color: var(--ink); }
.phase-launch h3 { color: var(--porcelain); }
.phase-launch .phase-day { color: var(--blue-hi); }
.phase-launch dt { color: var(--muted-dark); }
.phase-launch dd { color: var(--porcelain); }
.launch-day { margin: auto 0 0; padding-top: 16px; font-size: var(--fs-label); color: var(--muted-dark); }

/* ---------- engagement ---------- */
.tiers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; align-items: stretch; }
.tier { background: var(--ink-2); border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; padding: clamp(18px, 1.8vw, 28px); display: flex; flex-direction: column; position: relative; }
.tier-recommended { border-color: var(--blue-hi); box-shadow: 0 0 0 1px var(--blue-hi) inset; background: #14243f; }
.tier-badge { position: absolute; top: -12px; left: 22px; margin: 0; background: var(--blue); color: #fff; font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); padding: 4px 10px; border-radius: 4px; text-transform: uppercase; letter-spacing: 0.05em; }
.tier-name { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); text-transform: uppercase; letter-spacing: 0.06em; color: var(--blue-hi); margin: 0 0 8px; }
.tier h3 { margin-bottom: 14px; }
.tier ul { margin: 0; padding-left: 20px; display: grid; gap: 8px; font-size: var(--fs-body); color: var(--muted-dark); }

/* ---------- close ---------- */
.close-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(24px, 3.4vw, 64px); align-items: center; min-height: 100%; }
.rep-card { background: var(--ink); color: var(--porcelain); border-radius: 14px; padding: clamp(20px, 2vw, 32px); display: grid; gap: 18px; justify-items: start; }
.rep-portrait { width: min(100%, 320px); height: auto; border-radius: 50%; aspect-ratio: 1; object-fit: cover; }
.rep-name { font-size: clamp(28px, calc(1vw + 14px), 40px); font-weight: 600; letter-spacing: -0.03em; margin: 0; line-height: 1.05; }
.rep-role { font-size: var(--fs-body); color: var(--muted-dark); margin: 0; }
.rep-msg { font-size: var(--fs-body); margin: 0; }
.contacts { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; width: 100%; }
.contacts li { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 10px; align-items: baseline; font-size: var(--fs-body); }
.contacts span { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); color: var(--muted-dark); text-transform: uppercase; }
.contacts a { color: var(--porcelain); font-weight: 600; text-decoration: none; overflow-wrap: anywhere; border-bottom: 1px solid rgba(143,178,255,0.5); }
.close-main .kicker { color: var(--muted-paper); }
.close-main .h2 { max-width: 18ch; }
.close-main .support { color: var(--muted-paper); }
.scheduler { margin-top: 26px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; align-items: end; max-width: 64ch; }
.scheduler .btn { grid-column: 1 / -1; }
.field { display: grid; gap: 6px; }
.field label { font-size: var(--fs-label); color: var(--muted-paper); font-weight: 600; }
.field select {
  min-height: 44px; padding: 8px 12px; border-radius: 8px; border: 1px solid #8a92a4; background: #fff; color: var(--ink); font-size: var(--fs-body);
}
.call-note { margin-top: 16px; max-width: 64ch; font-size: var(--fs-body); color: var(--muted-paper); border-left: 3px solid var(--blue); padding-left: 14px; }
.close-line { margin-top: 22px; font-size: var(--fs-body); color: var(--ink); }
.brand-line { margin-top: 18px; font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); color: var(--muted-paper); }
.scheduler .draft-note { grid-column: 1 / -1; color: var(--muted-paper); }

/* ---------- rail & index ---------- */
.rail {
  position: fixed; right: 14px; top: 50%; transform: translateY(-50%); z-index: 15;
  display: grid; gap: 10px;
}
.rail-dot {
  width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid rgba(255,255,255,0.55); background: transparent; padding: 0; cursor: pointer;
}
.rail-dot[aria-current="true"] { background: var(--blue-hi); border-color: var(--blue-hi); }
.index-overlay {
  position: fixed; inset: 0; z-index: 40; background: rgba(8,12,22,0.97); padding: 24px var(--gutter); overflow-y: auto;
}
.index-overlay[hidden] { display: none; }
.index-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.index-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.index-card {
  width: 100%; min-height: 120px; text-align: left; background: var(--ink-2); border: 1px solid rgba(255,255,255,0.14); border-radius: 12px;
  padding: 18px; cursor: pointer; display: grid; gap: 8px; color: var(--porcelain);
}
.index-card:hover { border-color: var(--blue-hi); }
.index-n { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-label); color: var(--blue-hi); }
.index-t { font-size: clamp(20px, calc(0.6vw + 12px), 26px); font-weight: 600; letter-spacing: -0.02em; }
.index-d { font-size: var(--fs-label); color: var(--muted-dark); }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .findings { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .index-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1100px) {
  .stage-grid { grid-template-columns: minmax(0, 1fr); }
  .phone-wrap { max-width: 320px; margin: 0 auto; }
  .path-grid { grid-template-columns: minmax(0, 1fr); }
  .system-layout { grid-template-columns: minmax(0, 1fr); }
  .system-photo img { max-height: 280px; }
  .phases { grid-template-columns: minmax(0, 1fr); }
  .tiers { grid-template-columns: minmax(0, 1fr); }
  .close-grid { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .rep-card { grid-template-columns: auto 1fr; align-items: center; }
  .rep-portrait { width: 180px; }
  .cover-grid { grid-template-columns: minmax(0, 1fr); grid-template-rows: 46% 54%; }
  .cover-stage { order: 1; }
  .cover-copy { order: 2; background: var(--ink); padding: 26px var(--gutter) 40px; justify-content: flex-start; }
  .cover-title { max-width: 16ch; }
  .scroll-cue { display: none; }
  .rail { display: none; }
}

@media (max-width: 820px) {
  :root { --chrome-top: 60px; --chrome-bottom: 60px; }
  .chrome-top { grid-template-columns: 1fr auto; }
  .chrome-label { display: none; }
  .lockup-brandcore { width: 108px; }
  .lockup-client { width: 96px; }
  .chrome-bottom { grid-template-columns: auto 1fr auto; gap: 8px; }
  .bottom-note { display: none; }
  .nav-btn span { display: none; }
  .nav-btn { min-width: 48px; justify-content: center; }
  .slide-inner { padding: 22px var(--gutter) 32px; }
  .findings, .phases, .tiers, .index-grid, .svc-grid, .visit-grid, .hero, .pillars, .scheduler { grid-template-columns: minmax(0, 1fr); }
  .scheduler .btn { grid-column: auto; }
  .ba { min-height: 520px; }
  .ba-before, .ba-after { }
  .ba-pane { padding: 18px; }
  .rep-card { grid-template-columns: minmax(0, 1fr); justify-items: center; text-align: center; }
  .contacts li { grid-template-columns: 74px minmax(0, 1fr); text-align: left; }
  .rep-portrait { width: 200px; }
  .browser { border-radius: 10px; }
  .browser-nav { padding: 8px 12px; }
  .panel { max-height: none; }
  .cover-grid { grid-template-rows: 40% 60%; }
  .cover-title { font-size: clamp(44px, 12vw, 64px); }
  .cover-copy { padding-bottom: 26px; }
  .cover-hint { display: none; }
  .mock-detail { display: block; }
  .phone-wrap { display: none; }
  .lockup-cross { width: 10px; height: 10px; }
  .path-list li { grid-template-columns: 34px minmax(0, 1fr); padding: 14px; }
  .step-n { width: 34px; height: 34px; }
  .index-overlay { padding: 18px var(--gutter); }
}

@media (min-width: 821px) and (max-width: 1100px) {
  .mock-detail { display: block; }
}

@media (max-width: 480px) {
  .lockup { gap: 8px; }
  .lockup-cross { display: none; }
  .lockup-brandcore { width: 96px; }
  .lockup-client { width: 88px; }
  .browser-bar .url { font-size: 12px; }
}

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