/* Layout: one editorial column with a video-first hero; paper bands alternate with ink bands.
   Type: Instrument Serif for headlines, Geist for reading, Geist Mono for prompts and labels.
   Signature: a highlighter mark on the words that matter, like a name picked out of an AI answer. */
:root {
  --bg: #F5F6F9;
  --surface: #FFFFFF;
  --ink: #0D1120;
  --muted: #4D5468;
  --line: #DCE0E8;
  --accent: #2B3BE0;
  --accent-hover: #1E2AB8;
  --on-accent: #FFFFFF;
  --mark: rgba(255, 225, 90, 1);
  --deep: #0D1120;
  --deep-2: #161B2F;
  --on-deep: #EEF0F6;
  --on-deep-muted: #A9B0C4;
  --deep-line: #2A3047;
  --deep-accent: #9AA4FF;
  --warn-bg: #FDECEA;
  --warn-fg: #8A1C12;
  --shadow: rgba(13, 17, 32, 0.45);
  --display: "Instrument Serif", Georgia, "Times New Roman", serif;
  --body: "Geist", "Helvetica Neue", Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 14px;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0A0D18;
    --surface: #121729;
    --ink: #EDEFF6;
    --muted: #A6ADC2;
    --line: #262C42;
    --accent: #8C97FF;
    --accent-hover: #AEB5FF;
    --on-accent: #0A0D18;
    --mark: rgba(233, 203, 63, 0.34);
    --deep: #05070F;
    --deep-2: #0F1428;
    --on-deep: #EDEFF6;
    --on-deep-muted: #A6ADC2;
    --deep-line: #232941;
    --deep-accent: #9AA4FF;
    --warn-bg: #3B1714;
    --warn-fg: #FFB4A8;
    --shadow: rgba(0, 0, 0, 0.7);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0A0D18;
  --surface: #121729;
  --ink: #EDEFF6;
  --muted: #A6ADC2;
  --line: #262C42;
  --accent: #8C97FF;
  --accent-hover: #AEB5FF;
  --on-accent: #0A0D18;
  --mark: rgba(233, 203, 63, 0.34);
  --deep: #05070F;
  --deep-2: #0F1428;
  --on-deep: #EDEFF6;
  --on-deep-muted: #A6ADC2;
  --deep-line: #232941;
  --deep-accent: #9AA4FF;
  --warn-bg: #3B1714;
  --warn-fg: #FFB4A8;
  --shadow: rgba(0, 0, 0, 0.7);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
[hidden] { display: none !important; }
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
p { margin: 0; }

.wrap {
  max-width: 1160px;
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* Type */
h1, h2 {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -0.015em;
  text-wrap: balance;
  margin: 0;
}
h1 { font-size: clamp(44px, 6.6vw, 88px); line-height: 1; }
h2 { font-size: clamp(36px, 4.6vw, 60px); line-height: 1.04; }
h1 em, h2 em { font-style: italic; }
h3 { font-family: var(--body); font-size: 20px; line-height: 1.3; font-weight: 600; letter-spacing: -0.01em; margin: 0; text-wrap: balance; }
.lede { font-size: clamp(18px, 1.6vw, 21px); line-height: 1.55; color: var(--muted); max-width: 640px; }
.muted { color: var(--muted); }
.eyebrow, .kicker { font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
.eyebrow { color: var(--muted); }
.kicker { color: var(--accent); }

.hl {
  background-image: linear-gradient(var(--mark), var(--mark));
  background-repeat: no-repeat;
  background-position: 0 88%;
  background-size: 100% 36%;
  padding-inline: 0.06em;
  animation: hl 1s 0.35s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
@keyframes hl { from { background-size: 0% 36%; } }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--body);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.2;
  text-decoration: none;
  text-align: center;
  transition: background-color 0.15s, transform 0.15s;
}
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-hover); color: var(--on-accent); transform: translateY(-1px); }
.btn--lg { min-height: 60px; padding: 16px 30px; font-size: 18px; }
.btn svg { width: 18px; height: 18px; flex: none; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-block: 14px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--ink); }
.brand svg { flex: none; }
.brand em { font-family: var(--display); font-style: italic; font-weight: 400; font-size: 23px; letter-spacing: 0; }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; font-size: 15px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav .btn { min-height: 44px; padding: 10px 18px; font-size: 15px; color: var(--on-accent); }
.nav .btn:hover { color: var(--on-accent); }

/* Hero */
.hero { padding-block: clamp(48px, 7vw, 88px) clamp(64px, 8vw, 104px); }
.hero__top {
  max-width: 920px;
  margin-inline: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}
.hero__video { margin: clamp(36px, 5vw, 56px) auto 0; max-width: 1000px; }

/* Video */
.video {
  position: relative;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 20px;
  overflow: hidden;
  background: var(--deep);
  color: var(--on-deep);
  border: 1px solid var(--deep-line);
  box-shadow: 0 40px 90px -50px var(--shadow);
}
.video iframe, .video video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: var(--deep); }
.video__poster {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 12px;
  padding: clamp(16px, 3vw, 32px);
  background-color: var(--deep);
  background-image:
    linear-gradient(var(--deep-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--deep-line) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: -1px -1px;
}
.video__prompt { font-family: var(--mono); font-size: clamp(12px, 1.3vw, 15px); color: var(--on-deep-muted); display: flex; flex-direction: column; gap: 6px; max-width: 75%; }
.video__prompt span { background: var(--deep); padding: 2px 6px; align-self: flex-start; border-radius: 4px; }
.video__prompt span:first-child { color: var(--on-deep); }
.video__play {
  place-self: center;
  width: clamp(64px, 9vw, 96px);
  height: clamp(64px, 9vw, 96px);
  border-radius: 50%;
  border: 0;
  background: var(--accent);
  color: var(--on-accent);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform 0.2s;
}
.video__play:hover { transform: scale(1.06); }
.video__play svg { width: 34%; height: 34%; margin-left: 7%; }
.video__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 6px 16px;
  font-size: 14px;
  color: var(--on-deep-muted);
}
.video__meta > * { background: var(--deep); padding: 4px 8px; border-radius: 6px; }
.video__meta strong { display: block; color: var(--on-deep); font-weight: 600; font-size: 15px; }
.video__note {
  position: absolute;
  left: 50%;
  bottom: 22%;
  transform: translateX(-50%);
  width: max-content;
  max-width: 90%;
  text-align: center;
  background: var(--surface);
  color: var(--ink);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 14px;
}
@media (max-width: 600px) {
  .video__prompt { display: none; }
  .video__meta { font-size: 12px; }
  .video__meta strong { font-size: 13px; }
  .video__meta > span:last-child { display: none; }
}

/* Booking under the video */
.book { margin-top: 28px; display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
.book__note { font-size: 15px; color: var(--muted); max-width: 540px; }
.book__meta { font-family: var(--mono); font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; }
.book__meta span::before { content: "● "; color: var(--accent); }

/* Sections */
.section { padding-block: clamp(72px, 9vw, 128px); }
.section--line { border-top: 1px solid var(--line); }
.section__head { display: flex; flex-direction: column; gap: 18px; max-width: 800px; margin-bottom: clamp(40px, 5vw, 64px); }
.band { background: var(--deep); color: var(--on-deep); }
.band .kicker { color: var(--deep-accent); }
.band .lede { color: var(--on-deep-muted); }

/* Pains */
.pains { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 0 56px; }
.pain { padding-block: 28px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.pain p { color: var(--muted); max-width: 52ch; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 40px; }
.stat__num { font-family: var(--display); font-size: clamp(64px, 7vw, 100px); line-height: 0.95; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat__label { margin-top: 14px; color: var(--on-deep-muted); max-width: 300px; }
.source { margin-top: 48px; font-family: var(--mono); font-size: 13px; color: var(--on-deep-muted); }

/* Prompts + answer demo */
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); gap: clamp(32px, 5vw, 72px); align-items: center; }
.split > * { min-width: 0; }
.split__text { display: flex; flex-direction: column; gap: 20px; }
.prompts { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.prompt, .chip {
  font-family: var(--mono);
  font-size: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  color: var(--ink);
}
.prompt::before { content: "› "; color: var(--accent); }
.answer {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(20px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.answer__label { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.answer__q { align-self: flex-end; max-width: 92%; background: var(--deep); color: var(--on-deep); padding: 12px 16px; border-radius: 16px 16px 4px 16px; font-size: 16px; line-height: 1.5; }
.answer__a { border: 1px solid var(--line); border-radius: 16px 16px 16px 4px; padding: 16px 18px; font-size: 16px; }
.answer__a ol { margin: 8px 0 0; padding-left: 22px; display: flex; flex-direction: column; gap: 4px; }
.answer__miss { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px; background: var(--warn-bg); color: var(--warn-fg); font-weight: 600; font-size: 15px; }
.answer__miss svg { flex: none; }
.answer__caption { font-size: 13px; color: var(--muted); }

/* Columns (outcomes, services, standards) */
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 44px 48px; }
.col { display: flex; flex-direction: column; gap: 12px; padding-top: 24px; border-top: 1px solid var(--line); min-width: 0; }
.col p { color: var(--muted); }
.cols--strong .col { border-top: 2px solid var(--accent); }
.cols--strong h3 { font-family: var(--display); font-weight: 400; font-size: clamp(28px, 2.6vw, 34px); line-height: 1.08; letter-spacing: -0.01em; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: clamp(40px, 5vw, 56px); align-items: center; }
.chips__label { font-family: var(--mono); font-size: 13px; color: var(--muted); margin-right: 6px; }

/* Steps (a real sequence) */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 24px; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 12px; }
.step__top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.step__n { font-family: var(--display); font-size: 56px; line-height: 1; color: var(--accent); }
.step__time { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.step p { color: var(--muted); }

/* Search vs answer comparison (home) */
.compare { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 24px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: clamp(20px, 3vw, 32px); display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.links li { display: flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.links li::after { content: ""; height: 8px; border-radius: 4px; background: var(--line); flex: 1; }
.links li:nth-child(odd)::after { flex: 0.7; }
.panel__foot { font-size: 15px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px; }

/* Audience fork (home) */
.fork { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 24px; }
.fork a {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(24px, 3vw, 40px);
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s;
  min-width: 0;
}
.fork a:hover { border-color: var(--accent); transform: translateY(-2px); color: var(--ink); }
.fork h3 { font-family: var(--display); font-weight: 400; font-size: clamp(32px, 3vw, 42px); line-height: 1.04; }
.fork ul { margin: 0; padding-left: 20px; color: var(--muted); display: flex; flex-direction: column; gap: 6px; }
.fork .go { margin-top: auto; padding-top: 8px; font-weight: 600; color: var(--accent); }

/* Promise */
.promise {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
  gap: 28px 56px;
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
}
.promise > * { min-width: 0; }
.promise h2 { font-size: clamp(32px, 3.6vw, 46px); }
.promise__text { display: flex; flex-direction: column; gap: 18px; }
.checks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; align-self: center; }
.checks li { display: flex; gap: 12px; align-items: flex-start; }
.checks svg { flex: none; margin-top: 3px; color: var(--accent); }

/* FAQ */
.faq { max-width: 820px; }
.faq details { border-top: 1px solid var(--line); padding-block: 22px; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 19px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--accent); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin-top: 12px; color: var(--muted); max-width: 68ch; }

/* Final CTA */
.final { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 24px; }
.final h2 { max-width: 880px; }
.final .book__meta { color: var(--on-deep-muted); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-block: 28px; font-size: 14px; color: var(--muted); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  .hl { animation: none; }
  .btn, .video__play, .fork a { transition: none; }
}