:root {
  /* Cream / surface */
  --cream: #F1ECE3;
  --cream-warm: #EFE7DA;
  --cream-deep: #E5DDCF;
  --card-white: #FCF8F0;

  /* Ink */
  --ink: #0F0F12;
  --ink-soft: #3A3733;
  --ink-muted: #7C766E;
  --ink-faint: #A39E96;

  /* Ribbon palette */
  --ribbon-blue: #3D52E0;
  --ribbon-blue-top: #5468E8;
  --ribbon-blue-bottom: #2D3FB8;
  --ribbon-coral: #D9544F;
  --ribbon-coral-top: #E27873;
  --ribbon-coral-bottom: #B43F3B;
  --ribbon-orange: #D87938;
  --ribbon-orange-top: #E69458;
  --ribbon-orange-bottom: #A85D24;

  /* Shadows */
  --shadow-pill: 0 8px 18px rgba(217,84,79,0.30);
  --shadow-card: 0 4px 12px rgba(0,0,0,0.05);
  --shadow-card-hover: 0 8px 20px rgba(0,0,0,0.08);

  /* Type */
  --font-serif: 'Newsreader', Georgia, serif;
  --font-sans: 'Inter', -apple-system, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.serif { font-family: var(--font-serif); font-weight: 600; letter-spacing: -0.01em; }
.serif-italic { font-family: var(--font-serif); font-style: italic; font-weight: 600; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.pill {
  display: inline-flex;
  height: var(--pill-h, 28px);
  width:  var(--pill-w, 120px);
  border-radius: 9999px;
  overflow: hidden;
  box-shadow: var(--shadow-pill);
  position: relative;
  isolation: isolate;
}
.pill > span { flex: 1; }
.pill > .seg-blue   { background: linear-gradient(180deg, var(--ribbon-blue-top),   var(--ribbon-blue-bottom)); }
.pill > .seg-coral  { background: linear-gradient(180deg, var(--ribbon-coral-top),  var(--ribbon-coral-bottom)); }
.pill > .seg-orange { background: linear-gradient(180deg, var(--ribbon-orange-top), var(--ribbon-orange-bottom)); }
.pill > .seg-ink    { background: linear-gradient(180deg, #2A2A30, #0F0F12); }
.pill > .seg-cream  { background: linear-gradient(180deg, #FFFFFF, #E5DDCF); }
.pill::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.32) 0%, rgba(255,255,255,0) 50%);
  pointer-events: none;
  border-radius: inherit;
}

/* Size variants used across the page */
.pill-xs { --pill-h: 18px; --pill-w: 64px; }
.pill-sm { --pill-h: 24px; --pill-w: 96px; }
.pill-md { --pill-h: 36px; --pill-w: 140px; }
.pill-lg { --pill-h: 56px; --pill-w: 220px; }

.triple-btn {
  display: inline-flex;
  align-items: stretch;
  height: 48px;
  border-radius: 9999px;
  overflow: hidden;
  position: relative;
  isolation: isolate;
  box-shadow: 0 6px 16px rgba(61,82,224,0.32), 0 1px 2px rgba(0,0,0,0.08);
  cursor: pointer;
  border: 0;
  font: 600 15px/1 var(--font-sans);
  color: #FFFFFF;
  text-decoration: none;
  transition: transform 120ms ease, box-shadow 120ms ease;
}
.triple-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(61,82,224,0.40), 0 1px 2px rgba(0,0,0,0.10); }
.triple-btn:active { transform: translateY(0); }
.triple-btn .tb-seg {
  display: flex; align-items: center; justify-content: center;
  padding: 0 22px;
}
.triple-btn .tb-blue   { background: linear-gradient(180deg, var(--ribbon-blue-top),   var(--ribbon-blue-bottom)); }
.triple-btn .tb-coral  { background: linear-gradient(180deg, var(--ribbon-coral-top),  var(--ribbon-coral-bottom)); width: 28px; padding: 0; }
.triple-btn::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.28) 0%, rgba(255,255,255,0) 55%);
  pointer-events: none;
  border-radius: inherit;
}

/* Secondary "Watch the tour" outline button */
.outline-btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 48px; padding: 0 22px;
  border-radius: 9999px;
  background: transparent;
  border: 1.5px solid var(--ink);
  color: var(--ink);
  font: 600 15px/1 var(--font-sans);
  cursor: pointer;
  transition: background 120ms ease;
}
.outline-btn:hover { background: var(--card-white); }

.site-nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
  padding: 18px 32px;
  position: sticky; top: 0; z-index: 50;
  background: rgba(241,236,227,0.86);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(15,15,18,0.06);
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-word { font-size: 20px; }
.primary-nav { display: flex; gap: 28px; font-size: 14px; color: var(--ink-soft); }
.primary-nav a:hover { color: var(--ink); }
.nav-cta { display: flex; }
.nav-toggle { display: none; }

@media (max-width: 760px) {
  .primary-nav, .nav-cta { display: none; }
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 4px;
    background: transparent; border: 0; cursor: pointer; padding: 8px;
  }
  .nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }
  .site-nav.open .primary-nav {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--cream); padding: 20px 32px;
    gap: 16px; border-bottom: 1px solid rgba(15,15,18,0.08);
  }
  .site-nav.open .nav-cta { display: flex; padding: 0 32px 20px; background: var(--cream); }
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: clamp(48px, 8vw, 120px) clamp(24px, 6vw, 96px) clamp(64px, 10vw, 160px);
  max-width: 1320px;
  margin: 0 auto;
}
.eyebrow .dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--ribbon-coral); margin-right: 8px; vertical-align: middle;
}
.hero-title {
  font-size: clamp(48px, 7vw, 96px);
  line-height: 1.02;
  margin: 16px 0 20px;
  letter-spacing: -0.02em;
}
.gradient-coral {
  background: linear-gradient(90deg, var(--ribbon-coral) 0%, var(--ribbon-orange) 60%, var(--ribbon-blue) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--ink-soft);
  max-width: 540px;
  margin-bottom: 32px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.trust-row {
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: 24px; flex-wrap: wrap;
  font-size: 14px; color: var(--ink-muted);
}
.hero-art { min-height: 480px; position: relative; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 32px; }
  .hero-art { min-height: 320px; }
}

.stack-pill { position: absolute; height: 64px; border-radius: 9999px; box-shadow: 0 18px 40px rgba(15,15,18,0.18); }
.stack-pill.p1 { top: 0;   left: 18%; width: 78%;  transform: rotate(-6deg); --pill-h: 64px; }
.stack-pill.p2 { top: 110px; left: 4%; width: 92%; transform: rotate(8deg);  --pill-h: 72px; height: 72px; }
.stack-pill.p3 { top: 230px; left: 22%; width: 70%; transform: rotate(-4deg); --pill-h: 60px; height: 60px; }
.stack-pill.p4 { top: 340px; left: 38%; width: 60%; transform: rotate(10deg); --pill-h: 60px; height: 60px; }

@media (max-width: 900px) {
  .hero-art { display: flex; flex-direction: column; gap: 14px; align-items: center; min-height: 0; }
  .stack-pill { position: static; transform: none !important; width: 80% !important; }
}

.features { max-width: 1320px; margin: 0 auto; padding: clamp(64px, 8vw, 120px) clamp(24px, 6vw, 96px); }
.features-head {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 48px; align-items: end;
  padding-bottom: 56px; border-bottom: 1px solid rgba(15,15,18,0.10);
}
.features-title { font-size: clamp(36px, 4.5vw, 60px); line-height: 1.08; margin: 0; letter-spacing: -0.02em; }
.features-sub { font-size: 17px; color: var(--ink-soft); margin: 0; max-width: 460px; }
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.feature-card {
  padding: 40px 32px 56px;
  border-right: 1px solid rgba(15,15,18,0.10);
  border-bottom: 1px solid rgba(15,15,18,0.10);
}
.feature-card:nth-child(3n) { border-right: 0; }
.fc-meta {
  display: flex; align-items: center;
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-muted);
  letter-spacing: 0.06em;
  justify-content: flex-end;
  margin-bottom: 24px;
}
.fc-num { color: var(--ink); font-weight: 600; margin-right: 6px; }
.feature-card .pill { margin-bottom: 36px; }
.fc-title { font-size: 26px; margin: 0 0 12px; line-height: 1.15; letter-spacing: -0.01em; }
.feature-card p { color: var(--ink-soft); font-size: 15px; max-width: 36ch; margin: 0; }

@media (max-width: 900px) {
  .features-head { grid-template-columns: 1fr; gap: 16px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card { border-right: 0; }
}

.spotlight {
  background: radial-gradient(ellipse at top, #1A1A20 0%, #0A0A0E 70%);
  color: #F5F0E5;
  padding: clamp(80px, 10vw, 160px) clamp(24px, 6vw, 96px);
  text-align: center;
  margin-top: 32px;
}
.eyebrow-dark { color: rgba(245,240,229,0.50); }
.spotlight-title {
  font-size: clamp(40px, 6vw, 84px);
  line-height: 1.06; letter-spacing: -0.02em;
  margin: 18px auto 24px; max-width: 16ch;
}
.gradient-spectrum {
  background: linear-gradient(90deg, #E8A5B5 0%, var(--ribbon-coral) 28%, var(--ribbon-orange) 60%, #B89BE6 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.spotlight-sub { color: rgba(245,240,229,0.65); font-size: 17px; max-width: 56ch; margin: 0 auto 64px; }
.spotlight-mock {
  max-width: 1080px; margin: 0 auto;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.50);
  text-align: left;
  overflow: hidden;
}
.mock-chrome {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mock-chrome .dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.18); }
.mock-chrome .d1 { background: #E27873; }
.mock-chrome .d2 { background: #E69458; }
.mock-chrome .d3 { background: #5468E8; }
.mock-title { font-family: var(--font-mono); font-size: 12px; color: rgba(245,240,229,0.45); margin-left: 12px; }
.mock-body { display: grid; grid-template-columns: 240px 1fr; min-height: 360px; }
.mock-side { padding: 24px; border-right: 1px solid rgba(255,255,255,0.06); }
.mock-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: rgba(245,240,229,0.45); margin: 0 0 16px; }
.mock-side ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; font-size: 14px; }
.mock-side li { display: flex; align-items: center; gap: 10px; }
.mock-stage { padding: 24px; display: flex; flex-direction: column; gap: 24px; }
.mock-clip { flex: 1; min-height: 220px; border-radius: 10px; background: linear-gradient(135deg, #2A2A30, #0F0F12); border: 1px solid rgba(255,255,255,0.06); }
.mock-pills { display: flex; gap: 12px; flex-wrap: wrap; }

@media (max-width: 760px) {
  .mock-body { grid-template-columns: 1fr; }
  .mock-side { border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
}

.download { padding: clamp(80px, 10vw, 160px) clamp(24px, 6vw, 96px); }
.download-frame {
  max-width: 980px; margin: 0 auto;
  text-align: center;
  padding: clamp(48px, 6vw, 80px);
  background: var(--card-white);
  border-radius: 24px;
  box-shadow: var(--shadow-card-hover);
  position: relative; overflow: hidden;
}
.download-frame::before {
  content: ''; position: absolute; inset: -40% -10% auto auto;
  width: 60%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(217,84,79,0.18), transparent 60%);
  pointer-events: none;
}
.download-title { font-size: clamp(36px, 4vw, 56px); margin: 16px 0 32px; line-height: 1.08; letter-spacing: -0.02em; }
.store-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.store-badge img { display: block; }
.store-badge { transition: transform 120ms ease; }
.store-badge:hover { transform: translateY(-2px); }
.download-fine { font-size: 13px; color: var(--ink-muted); margin: 0; }

.faq { max-width: 1080px; margin: 0 auto; padding: clamp(80px, 10vw, 140px) clamp(24px, 6vw, 96px); }
.faq-head { text-align: center; margin-bottom: 56px; }
.faq-title { font-size: clamp(36px, 4.5vw, 56px); margin: 16px 0 0; line-height: 1.08; letter-spacing: -0.02em; }
.faq-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid rgba(15,15,18,0.10); }
.faq-item { border-bottom: 1px solid rgba(15,15,18,0.10); }
.faq-item summary {
  list-style: none; cursor: pointer;
  padding: 24px 0;
  display: flex; justify-content: space-between; align-items: center;
  font: 600 18px/1.3 var(--font-sans);
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 24px; font-weight: 400; color: var(--ink-muted);
  transition: transform 200ms ease;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item p { margin: 0 0 24px; color: var(--ink-soft); font-size: 16px; max-width: 64ch; }

.site-footer { background: var(--cream-deep); padding: 64px clamp(24px, 6vw, 96px) 32px; }
.footer-top { max-width: 1320px; margin: 0 auto; display: grid; grid-template-columns: 1fr 2fr; gap: 64px; padding-bottom: 48px; border-bottom: 1px solid rgba(15,15,18,0.10); }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-heading { font: 600 13px/1 var(--font-sans); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-muted); margin: 0 0 16px; }
.footer-nav a { display: block; font-size: 14px; color: var(--ink-soft); margin-bottom: 8px; }
.footer-nav a:hover { color: var(--ink); }
.footer-base { max-width: 1320px; margin: 32px auto 0; display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-muted); }

@media (max-width: 760px) {
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
  .footer-base { flex-direction: column; gap: 8px; }
}

/* a11y: keyboard focus rings (deferred from Task 3) */
:focus-visible {
  outline: 2px solid var(--ribbon-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Skip link for keyboard users — hidden until focused */
.skip-link {
  position: absolute; top: 8px; left: 8px;
  padding: 10px 16px;
  background: var(--ink); color: var(--cream);
  border-radius: 8px;
  font: 600 14px/1 var(--font-sans);
  transform: translateY(-200%);
  transition: transform 200ms ease;
  z-index: 100;
}
.skip-link:focus-visible { transform: translateY(0); }