/* ============================================================
   TIGERLAYER — Design system
   Aesthetic: Samsung × Gentle Monster × Naver Cloud
   Type: Pretendard + Inter, Hangul-aware via Pretendard JP fallback
   Palette: charcoal + off-white + deep indigo accent
   ============================================================ */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color tokens */
  --tl-bg: #ffffff;
  --tl-bg-soft: #fafafa;
  --tl-bg-card: #f4f4f5;
  --tl-bg-elevated: #ffffff;
  --tl-line: #e4e4e7;
  --tl-line-soft: #ededef;

  --tl-ink: #09090b;
  --tl-ink-2: #18181b;
  --tl-ink-3: #3f3f46;
  --tl-muted: #71717a;
  --tl-muted-2: #a1a1aa;

  --tl-accent: #4338ca;          /* deep indigo */
  --tl-accent-2: #6d28d9;        /* violet */
  --tl-accent-soft: #eef2ff;
  --tl-accent-line: #c7d2fe;

  --tl-warn: #b91c1c;
  --tl-warn-soft: #fef2f2;
  --tl-success: #047857;
  --tl-success-soft: #ecfdf5;

  /* Type */
  --tl-font: 'Pretendard Variable', Pretendard, Inter, -apple-system, BlinkMacSystemFont,
             'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  --tl-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Layout */
  --tl-container: 1240px;
  --tl-gutter: 24px;
  --tl-radius: 4px;
  --tl-radius-lg: 8px;

  /* Motion */
  --tl-ease: cubic-bezier(.22, .61, .36, 1);
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--tl-font);
  font-feature-settings: "ss01", "cv11";
  background: var(--tl-bg);
  color: var(--tl-ink);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul, ol { padding: 0; margin: 0; list-style: none; }
hr { border: 0; border-top: 1px solid var(--tl-line); margin: 0; }

/* ----- Typography scale ----- */
.eyebrow {
  font-family: var(--tl-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--tl-accent);
}
.eyebrow--muted { color: var(--tl-muted); }

h1, h2, h3, h4, h5 { margin: 0; font-weight: 600; letter-spacing: -0.02em; line-height: 1.12; color: var(--tl-ink); }
.display {
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.04;
}
.h1 { font-size: clamp(32px, 4.4vw, 52px); letter-spacing: -0.028em; line-height: 1.08; }
.h2 { font-size: clamp(26px, 2.8vw, 36px); letter-spacing: -0.022em; line-height: 1.15; }
.h3 { font-size: clamp(20px, 1.6vw, 24px); letter-spacing: -0.012em; }
.h4 { font-size: 17px; font-weight: 600; }

.lead {
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.55;
  color: var(--tl-ink-3);
  font-weight: 400;
}
.muted { color: var(--tl-muted); }
.mono { font-family: var(--tl-mono); }

/* ----- Layout ----- */
.container {
  max-width: var(--tl-container);
  margin: 0 auto;
  padding: 0 var(--tl-gutter);
}
.section { padding: clamp(72px, 10vw, 128px) 0; }
.section--tight { padding: clamp(56px, 7vw, 88px) 0; }
.section--bg { background: var(--tl-bg-soft); }
.section--ink { background: var(--tl-ink); color: #f4f4f5; }
.section--ink h1, .section--ink h2, .section--ink h3 { color: #fafafa; }
.section--ink .muted { color: #a1a1aa; }
.section--ink .lead { color: #d4d4d8; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
@media (max-width: 960px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
  .grid-3.grid-keep-md { grid-template-columns: repeat(2, 1fr); }
  .grid-4.grid-keep-md { grid-template-columns: repeat(2, 1fr); }
}

.section-head {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  margin-bottom: 56px;
  align-items: end;
}
@media (max-width: 880px) {
  .section-head { grid-template-columns: 1fr; gap: 20px; margin-bottom: 40px; }
}
.section-head__lead .eyebrow { display: block; margin-bottom: 16px; }

/* ----- Top bar ----- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--tl-line-soft);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--tl-ink);
}
.brand__mark {
  width: 22px; height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.brand__mark svg { width: 100%; height: 100%; }
.brand__name { letter-spacing: 0.02em; }
.brand__name span { color: var(--tl-accent); }

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav a {
  font-size: 14px;
  color: var(--tl-ink-3);
  font-weight: 500;
  transition: color .2s var(--tl-ease);
}
.nav a:hover { color: var(--tl-accent); }
.nav__cta { display: inline-flex; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--tl-line);
  border-radius: var(--tl-radius);
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 18px; height: 18px; }

@media (max-width: 880px) {
  .nav { display: none; position: absolute; top: 64px; right: 0; left: 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--tl-line); padding: 16px var(--tl-gutter); }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--tl-line-soft); }
  .nav__cta { margin-top: 8px; }
  .nav-toggle { display: inline-flex; }
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: var(--tl-radius);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.005em;
  transition: all .2s var(--tl-ease);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn svg { width: 14px; height: 14px; }
.btn--primary {
  background: var(--tl-ink);
  color: #fff;
}
.btn--primary:hover { background: var(--tl-accent); transform: translateY(-1px); }

.btn--accent {
  background: var(--tl-accent);
  color: #fff;
}
.btn--accent:hover { background: var(--tl-accent-2); transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  color: var(--tl-ink);
  border-color: var(--tl-line);
}
.btn--ghost:hover { border-color: var(--tl-ink); }

.btn--invert {
  background: #fff;
  color: var(--tl-ink);
}
.btn--invert:hover { background: var(--tl-accent); color: #fff; }

.btn--sm { height: 36px; padding: 0 14px; font-size: 13px; }
.btn--lg { height: 52px; padding: 0 24px; font-size: 15px; }

/* ----- Badge / Pill ----- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  background: var(--tl-accent-soft);
  color: var(--tl-accent);
  border: 1px solid var(--tl-accent-line);
}
.pill::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--tl-accent);
}
.pill--neutral {
  background: var(--tl-bg-card);
  color: var(--tl-ink-3);
  border-color: var(--tl-line);
}
.pill--neutral::before { background: var(--tl-muted); }
.pill--warn { background: var(--tl-warn-soft); color: var(--tl-warn); border-color: #fecaca; }
.pill--warn::before { background: var(--tl-warn); }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding: clamp(56px, 8vw, 110px) 0 clamp(40px, 5vw, 72px); position: relative; overflow: hidden; }
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(67,56,202,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(67,56,202,0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at top right, rgba(0,0,0,1), transparent 65%);
  mask-image: radial-gradient(ellipse at top right, rgba(0,0,0,1), transparent 65%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; }
.hero__pill { margin-bottom: 28px; }
.hero__title { margin-bottom: 28px; max-width: 14ch; }
.hero__title em { font-style: normal; color: var(--tl-accent); }
.hero__sub { max-width: 56ch; margin-bottom: 40px; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero__meta { margin-top: 36px; font-size: 13px; color: var(--tl-muted); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.hero__meta strong { color: var(--tl-ink-2); font-weight: 600; }

/* Stat ticker beneath hero */
.statbar {
  border-top: 1px solid var(--tl-line);
  border-bottom: 1px solid var(--tl-line);
  background: var(--tl-bg-soft);
}
.statbar__row {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 0;
}
@media (max-width: 880px) {
  .statbar__row { grid-template-columns: 1fr 1fr; }
}
.statbar__cell {
  padding: 28px 24px;
  border-right: 1px solid var(--tl-line);
}
.statbar__cell:last-child { border-right: 0; }
@media (max-width: 880px) {
  .statbar__cell { border-right: 1px solid var(--tl-line); border-bottom: 1px solid var(--tl-line); }
  .statbar__cell:nth-child(2n) { border-right: 0; }
}
.statbar__label {
  display: block;
  font-family: var(--tl-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--tl-muted);
  margin-bottom: 8px;
}
.statbar__value {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--tl-ink);
  line-height: 1;
}
.statbar__value--lead { color: var(--tl-warn); }
.statbar__sub {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--tl-muted);
}

/* ============================================================
   PROBLEM — failure modes grid
   ============================================================ */
.failure-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--tl-line);
  border-radius: var(--tl-radius-lg);
  overflow: hidden;
  background: #fff;
}
@media (max-width: 1100px) { .failure-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px)  { .failure-grid { grid-template-columns: 1fr; } }
.failure-cell {
  padding: 28px 24px;
  border-right: 1px solid var(--tl-line);
  border-bottom: 1px solid var(--tl-line);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.failure-cell:last-child { border-right: 0; }
.failure-cell__num {
  font-family: var(--tl-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--tl-muted);
}
.failure-cell__title { font-size: 17px; font-weight: 600; color: var(--tl-ink); }
.failure-cell__desc { font-size: 14px; color: var(--tl-muted); line-height: 1.5; }
.failure-cell__rate {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--tl-mono);
  font-size: 13px;
  color: var(--tl-warn);
}
@media (max-width: 1100px) {
  .failure-cell:nth-child(2n) { border-right: 0; }
}
@media (max-width: 540px) {
  .failure-cell { border-right: 0; }
}

/* Conversion ratio box */
.callout {
  margin-top: 40px;
  padding: 36px;
  border: 1px solid var(--tl-line);
  border-radius: var(--tl-radius-lg);
  background: linear-gradient(180deg, #ffffff, #fafafa);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 880px) { .callout { grid-template-columns: 1fr; gap: 24px; padding: 28px; } }
.callout__title { margin-bottom: 12px; }
.callout__compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  text-align: center;
}
.callout__compare-cell {
  padding: 18px;
  border: 1px solid var(--tl-line);
  border-radius: var(--tl-radius);
  background: #fff;
}
.callout__compare-cell--accent {
  border-color: var(--tl-accent-line);
  background: var(--tl-accent-soft);
}
.callout__compare-num {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--tl-ink);
}
.callout__compare-cell--accent .callout__compare-num { color: var(--tl-accent); }
.callout__compare-label {
  font-family: var(--tl-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--tl-muted);
  margin-top: 6px;
}
.callout__vs {
  font-family: var(--tl-mono);
  font-size: 11px;
  color: var(--tl-muted);
  letter-spacing: 0.12em;
}

/* ============================================================
   PRODUCT — Scanner / Verifier / Score / Revenue
   ============================================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 880px) { .product-grid { grid-template-columns: 1fr; } }

.product-card {
  position: relative;
  padding: 32px;
  border: 1px solid var(--tl-line);
  border-radius: var(--tl-radius-lg);
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color .2s var(--tl-ease), transform .25s var(--tl-ease);
}
.product-card:hover { border-color: var(--tl-accent-line); transform: translateY(-2px); }
.product-card__head { display: flex; align-items: center; gap: 16px; }
.product-card__index {
  font-family: var(--tl-mono);
  font-size: 11px;
  color: var(--tl-muted);
  letter-spacing: 0.14em;
}
.product-card__icon {
  width: 40px; height: 40px;
  border-radius: var(--tl-radius);
  background: var(--tl-accent-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--tl-accent);
}
.product-card__icon svg { width: 20px; height: 20px; }
.product-card__title { font-size: 22px; font-weight: 600; letter-spacing: -0.015em; }
.product-card__tag { margin-left: auto; }
.product-card__desc { color: var(--tl-ink-3); font-size: 15px; line-height: 1.55; }
.product-card__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
  margin-top: 4px;
}
@media (max-width: 540px) { .product-card__list { grid-template-columns: 1fr; } }
.product-card__list li {
  font-size: 13px;
  color: var(--tl-ink-3);
  display: flex;
  align-items: center;
  gap: 8px;
}
.product-card__list li::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--tl-accent);
  flex-shrink: 0;
}

/* ============================================================
   COMPARISON TABLE
   ============================================================ */
.compare {
  border: 1px solid var(--tl-line);
  border-radius: var(--tl-radius-lg);
  overflow: hidden;
  background: #fff;
}
.compare__row {
  display: grid;
  grid-template-columns: 1.3fr 1.3fr 1.3fr 1.5fr;
  border-bottom: 1px solid var(--tl-line);
}
.compare__row:last-child { border-bottom: 0; }
.compare__cell {
  padding: 22px 24px;
  border-right: 1px solid var(--tl-line);
  font-size: 14px;
  color: var(--tl-ink-3);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.compare__cell:last-child { border-right: 0; }
.compare__cell--head {
  background: var(--tl-bg-card);
  font-family: var(--tl-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--tl-muted);
}
.compare__cell--us {
  background: var(--tl-accent-soft);
  color: var(--tl-accent);
  font-weight: 500;
}
.compare__cell--us strong { color: var(--tl-accent); }
.compare__cell strong { font-weight: 600; color: var(--tl-ink); }
.compare__cell .muted { font-size: 12px; }
@media (max-width: 880px) {
  .compare__row { grid-template-columns: 1fr; }
  .compare__cell { border-right: 0; border-bottom: 1px solid var(--tl-line-soft); }
  .compare__cell--head { font-size: 10px; }
}

/* ============================================================
   KOREAN SPECIALIZATION
   ============================================================ */
.korea {
  background: linear-gradient(180deg, #0a0a0c 0%, #18181b 100%);
  color: #fafafa;
  position: relative;
  overflow: hidden;
}
.korea::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(109, 40, 217, 0.18), transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(67, 56, 202, 0.18), transparent 50%);
  pointer-events: none;
}
.korea__inner { position: relative; z-index: 1; }
.korea h1, .korea h2, .korea h3 { color: #fafafa; }
.korea .eyebrow { color: #a5b4fc; }
.korea .lead { color: #d4d4d8; }
.korea__head { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-bottom: 56px; }
@media (max-width: 880px) { .korea__head { grid-template-columns: 1fr; gap: 24px; margin-bottom: 40px; } }
.korea__quote {
  font-family: var(--tl-mono);
  font-size: 14px;
  color: #a5b4fc;
  line-height: 1.7;
  border-left: 2px solid #6d28d9;
  padding-left: 20px;
}

.korea-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 880px) { .korea-grid { grid-template-columns: 1fr; } }

.korea-card {
  padding: 28px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--tl-radius-lg);
  background: rgba(255,255,255,0.03);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color .2s var(--tl-ease), background .2s var(--tl-ease);
}
.korea-card:hover { border-color: rgba(167,139,250,0.4); background: rgba(255,255,255,0.05); }
.korea-card__sample {
  font-family: var(--tl-mono);
  font-size: 11px;
  color: #a5b4fc;
  letter-spacing: 0.04em;
}
.korea-card__title { font-size: 18px; font-weight: 600; color: #fafafa; }
.korea-card__desc { font-size: 14px; color: #a1a1aa; line-height: 1.55; }

/* ============================================================
   INDEX TEASER — Buyability Index preview
   ============================================================ */
.index-teaser {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 960px) { .index-teaser { grid-template-columns: 1fr; gap: 32px; } }

.index-card {
  border: 1px solid var(--tl-line);
  border-radius: var(--tl-radius-lg);
  background: #fff;
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(67, 56, 202, 0.18);
}
.index-card__head {
  padding: 18px 22px;
  background: var(--tl-ink);
  color: #f4f4f5;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.index-card__head-left { display: flex; align-items: center; gap: 10px; font-family: var(--tl-mono); font-size: 12px; letter-spacing: 0.08em; }
.index-card__head-left::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 4px rgba(74,222,128,0.18); }
.index-card__head-right { font-family: var(--tl-mono); font-size: 11px; color: #a1a1aa; }

.index-card__body { padding: 28px 24px; }
.index-card__row {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr 1.2fr 0.6fr;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px dashed var(--tl-line-soft);
  font-size: 13px;
}
.index-card__row:last-child { border-bottom: 0; }
.index-card__row--head {
  font-family: var(--tl-mono);
  font-size: 11px;
  color: var(--tl-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--tl-line);
  padding-bottom: 14px;
}
.index-card__brand { font-weight: 500; color: var(--tl-ink-2); }
.index-card__bar {
  position: relative;
  height: 6px;
  background: var(--tl-bg-card);
  border-radius: 999px;
  overflow: hidden;
}
.index-card__bar > span {
  position: absolute;
  inset: 0;
  width: var(--w, 50%);
  background: linear-gradient(90deg, var(--tl-accent), var(--tl-accent-2));
  border-radius: 999px;
}
.index-card__pct {
  font-family: var(--tl-mono);
  font-weight: 500;
  color: var(--tl-ink-2);
  text-align: right;
}
.index-card__delta {
  font-family: var(--tl-mono);
  font-size: 11px;
  text-align: right;
  color: var(--tl-success);
}
.index-card__delta--down { color: var(--tl-warn); }

/* ============================================================
   PHASES — 4-phase product roadmap
   ============================================================ */
.phases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
}
.phases::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--tl-accent), var(--tl-accent-2));
  opacity: 0.4;
}
@media (max-width: 880px) {
  .phases { grid-template-columns: 1fr; }
  .phases::before { display: none; }
}
.phase {
  padding-top: 56px;
  position: relative;
}
.phase__dot {
  position: absolute;
  top: 22px;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--tl-accent);
}
.phase--active .phase__dot { background: var(--tl-accent); box-shadow: 0 0 0 6px var(--tl-accent-soft); }
.phase__num { font-family: var(--tl-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--tl-muted); }
.phase__name { font-size: 22px; font-weight: 600; margin: 6px 0 8px; letter-spacing: -0.018em; }
.phase__when { font-family: var(--tl-mono); font-size: 11px; color: var(--tl-accent); margin-bottom: 14px; }
.phase__desc { font-size: 14px; color: var(--tl-ink-3); line-height: 1.55; }
@media (max-width: 880px) { .phase { padding-top: 0; padding-left: 28px; } .phase__dot { top: 4px; left: 0; } }

/* ============================================================
   WHO — customer segments
   ============================================================ */
.segment-card {
  padding: 28px;
  border: 1px solid var(--tl-line);
  border-radius: var(--tl-radius-lg);
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.segment-card__num { font-family: var(--tl-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--tl-muted); }
.segment-card__title { font-size: 19px; font-weight: 600; }
.segment-card__list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.segment-card__list li {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--tl-bg-card);
  border-radius: 999px;
  color: var(--tl-ink-3);
  font-family: var(--tl-mono);
}
.segment-card__acv {
  font-family: var(--tl-mono);
  font-size: 12px;
  color: var(--tl-accent);
  letter-spacing: 0.04em;
  border-top: 1px solid var(--tl-line-soft);
  padding-top: 14px;
}

/* ============================================================
   PRICING / Recoverable revenue
   ============================================================ */
.price-pivot {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 960px) { .price-pivot { grid-template-columns: 1fr; gap: 32px; } }

.price-eq {
  border: 1px solid var(--tl-line);
  border-radius: var(--tl-radius-lg);
  background: #fff;
  padding: 36px 32px;
  font-family: var(--tl-mono);
  font-size: 14px;
  line-height: 1.9;
  color: var(--tl-ink-3);
}
.price-eq__line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px dashed var(--tl-line-soft);
  padding: 8px 0;
}
.price-eq__line:last-child { border-bottom: 0; padding-top: 14px; }
.price-eq__line--total { border-top: 1px solid var(--tl-ink); margin-top: 12px; padding-top: 14px; font-weight: 600; color: var(--tl-ink); font-size: 16px; }
.price-eq__line--total .price-eq__val { color: var(--tl-accent); }
.price-eq__val { color: var(--tl-ink-2); font-weight: 500; }

/* ============================================================
   FINAL CTA
   ============================================================ */
.cta-final {
  margin-top: 0;
  text-align: center;
  padding: clamp(72px, 10vw, 120px) 0;
  border-top: 1px solid var(--tl-line);
}
.cta-final h2 { max-width: 18ch; margin: 0 auto 24px; }
.cta-final .lead { max-width: 50ch; margin: 0 auto 36px; }
.cta-final .hero__cta { justify-content: center; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--tl-ink);
  color: #a1a1aa;
  padding: 64px 0 36px;
  border-top: 1px solid #27272a;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid #27272a;
}
@media (max-width: 880px) { .footer__top { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 540px) { .footer__top { grid-template-columns: 1fr; } }

.footer__brand { color: #fff; font-weight: 600; font-size: 16px; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.footer__tag { font-size: 14px; color: #a1a1aa; max-width: 32ch; }

.footer__col-title {
  font-family: var(--tl-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #71717a;
  margin-bottom: 16px;
}
.footer__col a { display: block; padding: 6px 0; font-size: 14px; color: #d4d4d8; transition: color .2s var(--tl-ease); }
.footer__col a:hover { color: #a5b4fc; }

.footer__bottom {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: #71717a;
}
.footer__bottom .mono { font-family: var(--tl-mono); }

/* ============================================================
   FORM (demo page)
   ============================================================ */
.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--tl-line);
  border-radius: var(--tl-radius-lg);
  padding: 36px;
}
@media (max-width: 720px) { .form { grid-template-columns: 1fr; padding: 24px; } }
.form__field { display: flex; flex-direction: column; gap: 8px; }
.form__field--full { grid-column: 1 / -1; }
.form__label {
  font-family: var(--tl-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tl-muted);
}
.form__input, .form__select, .form__textarea {
  border: 1px solid var(--tl-line);
  border-radius: var(--tl-radius);
  padding: 12px 14px;
  font: inherit;
  font-size: 15px;
  color: var(--tl-ink);
  background: #fff;
  transition: border-color .15s var(--tl-ease), box-shadow .15s var(--tl-ease);
}
.form__input:focus, .form__select:focus, .form__textarea:focus {
  outline: none;
  border-color: var(--tl-accent);
  box-shadow: 0 0 0 3px var(--tl-accent-soft);
}
.form__textarea { min-height: 120px; resize: vertical; }
.form__submit { grid-column: 1 / -1; }
.form__note { grid-column: 1 / -1; font-size: 13px; color: var(--tl-muted); margin-top: -6px; }
.form__success {
  grid-column: 1 / -1;
  display: none;
  padding: 16px;
  background: var(--tl-success-soft);
  border: 1px solid #a7f3d0;
  border-radius: var(--tl-radius);
  color: var(--tl-success);
  font-size: 14px;
}
.form.is-sent .form__success { display: block; }

/* ============================================================
   PAGE HEADER (sub-pages)
   ============================================================ */
.page-head {
  border-bottom: 1px solid var(--tl-line);
  padding: clamp(64px, 8vw, 110px) 0 clamp(48px, 6vw, 80px);
  background: var(--tl-bg-soft);
}
.page-head__pill { margin-bottom: 24px; }
.page-head__title { max-width: 22ch; margin-bottom: 24px; }
.page-head__lead { max-width: 60ch; }

/* Index page table */
.idx-table {
  border: 1px solid var(--tl-line);
  border-radius: var(--tl-radius-lg);
  overflow: hidden;
  background: #fff;
}
.idx-row {
  display: grid;
  grid-template-columns: 0.5fr 1.6fr 0.8fr 0.8fr 0.8fr 0.8fr 0.8fr 0.8fr;
  gap: 0;
  border-bottom: 1px solid var(--tl-line-soft);
  align-items: center;
}
.idx-row:last-child { border-bottom: 0; }
.idx-row--head {
  background: var(--tl-bg-card);
  font-family: var(--tl-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tl-muted);
}
.idx-cell { padding: 16px 14px; font-size: 13px; color: var(--tl-ink-2); border-right: 1px solid var(--tl-line-soft); }
.idx-cell:last-child { border-right: 0; }
.idx-cell--num { font-family: var(--tl-mono); color: var(--tl-muted); }
.idx-cell--brand { font-weight: 600; }
.idx-cell--bar { font-family: var(--tl-mono); font-weight: 500; }
.idx-cell--pct { font-family: var(--tl-mono); color: var(--tl-warn); text-align: right; }
.idx-cell--score-good { color: var(--tl-success); font-family: var(--tl-mono); font-weight: 600; }
.idx-cell--score-bad  { color: var(--tl-warn);    font-family: var(--tl-mono); font-weight: 600; }
.idx-cell--score-mid  { color: #b45309;           font-family: var(--tl-mono); font-weight: 600; }
@media (max-width: 880px) {
  .idx-row { grid-template-columns: 1fr 1fr 1fr; row-gap: 4px; padding: 14px; border-bottom: 1px solid var(--tl-line); }
  .idx-row--head { display: none; }
  .idx-cell { border-right: 0; padding: 4px 0; }
}

.idx-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 40px; }
@media (max-width: 880px) { .idx-summary { grid-template-columns: 1fr 1fr; } }
.idx-summary__card { padding: 24px; border: 1px solid var(--tl-line); border-radius: var(--tl-radius-lg); background: #fff; }
.idx-summary__label { font-family: var(--tl-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--tl-muted); margin-bottom: 10px; }
.idx-summary__num { font-size: 32px; font-weight: 600; letter-spacing: -0.02em; color: var(--tl-ink); }
.idx-summary__num--accent { color: var(--tl-accent); }
.idx-summary__num--warn { color: var(--tl-warn); }
.idx-summary__sub { font-size: 12px; color: var(--tl-muted); margin-top: 6px; }

/* Methodology / About blocks */
.prose { max-width: 70ch; font-size: 16px; line-height: 1.7; color: var(--tl-ink-3); }
.prose h2 { margin-top: 56px; margin-bottom: 16px; color: var(--tl-ink); }
.prose h3 { margin-top: 32px; margin-bottom: 10px; color: var(--tl-ink); }
.prose p { margin: 0 0 16px; }
.prose strong { color: var(--tl-ink); font-weight: 600; }
.prose ul { margin: 0 0 20px 0; }
.prose ul li { padding: 4px 0 4px 20px; position: relative; }
.prose ul li::before { content: '—'; position: absolute; left: 0; color: var(--tl-accent); }
.prose code { background: var(--tl-bg-card); padding: 2px 6px; border-radius: 3px; font-size: 0.9em; font-family: var(--tl-mono); color: var(--tl-accent); }

/* ============================================================
   Reveal animation
   ============================================================ */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity .7s var(--tl-ease), transform .7s var(--tl-ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   Utilities
   ============================================================ */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-12 { margin-top: 12px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-0  { margin-bottom: 0 !important; }