/* docs/css/landing.css */

/* ─── LANDING TOKENS (aliases + extras) ─────────────────────── */
:root {
  --rule-faint:   var(--border);
  --ink:          var(--text);
  --ink-60:       var(--text-2);
  --ink-35:       var(--text-3);
  --ink-15:       oklch(80% 0.014 70);   /* very faint on cream */
  --purple-soft:  var(--purple-dim);
  --green-soft:   var(--green-dim);
}

/* ─── DARK ZONE (lower technical sections) ──────────────────────
   Scoped token override. Anything inside .arc / .arch / .cta / .footer
   resolves --bg/--text/--purple etc. to warm-coal values. The CSS
   cascade flips colours for free — no per-rule rewrites needed. */
.arc, .arch, .cta, .footer {
  --bg:              oklch(20% 0.012 50);   /* warm coal */
  --surface:         oklch(25% 0.014 50);
  --surface-2:       oklch(30% 0.016 50);
  --border:          oklch(33% 0.016 50);
  --border-strong:   oklch(45% 0.018 50);

  --text:            oklch(94% 0.014 75);   /* warm cream-on-coal */
  --text-2:          oklch(72% 0.012 65);
  --text-3:          oklch(52% 0.010 60);

  --purple:          oklch(72% 0.14  35);   /* brighter terracotta on dark */
  --purple-strong:   oklch(76% 0.16  35);
  --purple-dim:      oklch(60% 0.14  35 / 0.18);
  --green:           oklch(70% 0.12  145);
  --green-dim:       oklch(70% 0.12  145 / 0.16);

  --ink-15:          oklch(38% 0.014 55);

  background: var(--bg);
  color: var(--text);
}

/* ─── HTML / BODY ─────────────────────────────────────────────── */
html {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Display type — humanist serif (Sentient) on hero/section headings, stat
   numerals, callouts. Everything else inherits Hanken Grotesk from body.
   Per-selector weight + letter-spacing stay in their own rules below. */
.hero-headline,
.problem-heading,
.stat-number,
.stat-label,
.insight__headline,
.arc__acc,
.arc__callout,
.cta__headline {
  font-family: var(--font-display);
}

section { position: relative; z-index: 1; }

/* ─── NAV ─────────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 60px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}
.nav-logo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--purple);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--purple-strong);
  background: var(--purple-dim);
  border: 1px solid oklch(60% 0.14 35 / 0.30);
  padding: 5px 12px;
  border-radius: 100px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ─── HERO — editorial two-column (text left, portrait right) ─ */
.hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  align-items: center;
  padding: 140px 60px 100px;
  gap: 80px;
}
.hero-left {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
}
.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--purple-strong);
  margin-bottom: 36px;
}

/* Hero headline — full sentence at display scale, editorial serif */
.hero-headline {
  font-size: clamp(42px, 6.5vw, 88px);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--text);
  margin: 0 0 32px 0;
  max-width: 16ch;
}
.hero-headline em {
  font-style: italic;
  font-weight: 500;
  color: var(--purple-strong);
}

.hero-subtitle {
  font-size: clamp(17px, 1.5vw, 20px);
  font-weight: 400;
  line-height: 1.55;
  color: var(--text-2);
  letter-spacing: -0.005em;
  max-width: 46ch;
  margin-bottom: 44px;
}

/* Hero portrait carousel — fade-IN only (no fade-out).
   JS toggles `.is-shown` (persists, opacity 1) and `.is-active` (current top, drives label).
   Z-index bumps in JS so the newest fade-in always paints on top. */
.hero-portrait {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-portrait-cycle {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1 / 1;
}
.hero-portrait-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity;
}
.hero-portrait-slide.is-shown { opacity: 1; }

.hero-portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid oklch(60% 0.14 35 / 0.22);
  box-shadow: 0 16px 48px oklch(22% 0.04 60 / 0.10);
  display: block;
}
/* Label — pinned at one of 5 positions per slot, with slight rotation.
   Visible only while its slide is `.is-active` (current top). */
.hero-portrait-label {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--text);
  color: var(--bg);
  padding: 14px 20px;
  border-radius: 12px;
  box-shadow: 0 14px 36px oklch(22% 0.04 60 / 0.22);
  --tilt: 0deg;
  opacity: 0;
  transform: rotate(var(--tilt)) scale(0.85) translateY(10px);
  transition:
    opacity 0.4s ease-out,
    transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform, opacity;
}
.hero-portrait-slide.is-active .hero-portrait-label {
  opacity: 1;
  transform: rotate(var(--tilt)) scale(1) translateY(0);
}

/* Per-slot positioning + tilt — 4 corners + mid-right for variety */
.hero-portrait-slide:nth-child(1) .hero-portrait-label { --tilt: -3deg;   bottom: -16px; right: -16px; }
.hero-portrait-slide:nth-child(2) .hero-portrait-label { --tilt: 2.5deg;  top: -16px;    right: -16px; }
.hero-portrait-slide:nth-child(3) .hero-portrait-label { --tilt: -2deg;   top: -16px;    left:  -16px; }
.hero-portrait-slide:nth-child(4) .hero-portrait-label { --tilt: 4deg;    bottom: -16px; left:  -16px; }
.hero-portrait-slide:nth-child(5) .hero-portrait-label { --tilt: -1.5deg; top: 42%;      right: -28px; }
.hero-portrait-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: oklch(72% 0.012 65);
}
.hero-portrait-name {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-top: 2px;
}
.hero-portrait-conf {
  font-size: 11px;
  font-weight: 500;
  color: var(--purple);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
}
.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 24px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--text);
  color: var(--bg);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 14px 26px;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  color: var(--text-2);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 14px 4px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
}
.btn-ghost:hover { color: var(--text); }
.btn-arrow { font-size: 16px; transition: transform 0.2s; }
.btn-ghost:hover .btn-arrow { transform: translateX(3px); }

/* ─── DIVIDER ─────────────────────────────────────────────────── */
.section-divider { padding: 0 60px; position: relative; z-index: 1; }
.section-divider hr { border: none; border-top: 1px solid var(--border); }

/* ─── PROBLEM ─────────────────────────────────────────────────── */
.problem { padding: 120px 60px 140px; position: relative; }
.problem-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
  margin-bottom: 80px;
  gap: 40px;
}
.problem-overline {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--purple-strong);
  margin-bottom: 20px;
}
.problem-heading {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--text);
}
.problem-intro-text {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-2);
  max-width: 380px;
  align-self: end;
}

/* ─── STAT CASCADE ────────────────────────────────────────────── */
.stat-cascade { display: flex; flex-direction: column; }
.stat-row {
  display: grid;
  grid-template-columns: 280px 1fr;
  align-items: center;
  gap: 48px;
  padding: 52px 0;
  border-top: 1px solid var(--border);
  position: relative;
  transition: background 0.3s;
}
.stat-row:last-child { border-bottom: 1px solid var(--border); }
.stat-row::before {
  content: '';
  position: absolute;
  inset: 0 -60px;
  background: transparent;
  transition: background 0.3s;
  pointer-events: none;
}
.stat-row:hover::before { background: oklch(60% 0.14 35 / 0.05); }

/* Stat numbers — solid, no gradient text */
.stat-number {
  font-size: clamp(72px, 9vw, 120px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text);
  display: block;
  font-variant-numeric: tabular-nums;
}
.stat-row:first-child .stat-number { color: var(--purple-strong); }
.stat-row:last-child  .stat-number { color: var(--green); }

.stat-unit {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-35);
  margin-top: 8px;
}
.stat-content-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  z-index: 1;
}
.stat-label {
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text);
}
.stat-desc {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-2);
  max-width: 480px;
}
.stat-source {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-35);
}
.stat-accent-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 100px;
  width: fit-content;
}
.pill-returns {
  color: var(--purple-strong);
  background: var(--purple-dim);
  border: 1px solid oklch(60% 0.14 35 / 0.30);
}
.pill-fit {
  color: oklch(55% 0.12 80);
  background: oklch(55% 0.12 80 / 0.10);
  border: 1px solid oklch(55% 0.12 80 / 0.28);
}
.pill-planet {
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid oklch(50% 0.10 145 / 0.25);
}
.stat-index {
  position: absolute;
  top: 52px; right: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.10em;
  color: var(--ink-15);
  font-variant-numeric: tabular-nums;
}


/* ─── INSIGHT ─────────────────────────────────────────────────── */
.insight { padding: 120px 60px 120px; position: relative; }

/* Two-column header — headline left, priming caption right.
   Kills the dead right-column air from the prior design. */
.insight-header {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 64px;
  align-items: end;
  margin-bottom: 80px;
}
.insight__headline {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--text);
  max-width: 16ch;
  margin: 0;
}
.insight__caption {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-2);
  max-width: 38ch;
  letter-spacing: -0.005em;
}
/* ─── FACE SHAPE ROW — illustrated portraits, signature moment */
.shapes-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 36px 24px;
  margin-bottom: 56px;
  align-items: start;
}
.shape-item {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
  text-align: left;
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}
.shape-item:hover { transform: translateY(-6px); }
.shape-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid oklch(60% 0.14 35 / 0.18);
  display: block;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.shape-item:hover .shape-img {
  border-color: var(--purple-strong);
  box-shadow: 0 10px 28px oklch(22% 0.04 60 / 0.10);
}
.shape-name {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  margin-top: 2px;
}
.shape-desc {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.45;
  color: var(--text-2);
}

/* ─── VERSION ARC ─────────────────────────────────────────────── */
.arc { padding: 120px 60px; }
.section-eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--purple-strong);
  margin: 0 0 60px 0;
}
.arc__timeline { display: flex; align-items: flex-start; margin-bottom: 64px; }
.arc__node {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-right: 24px;
}
.arc__connector {
  width: 48px; height: 1px;
  background: var(--border);
  margin-top: 28px;
  flex-shrink: 0;
}
.arc__version {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--purple-strong);
}

/* Arc accuracy — solid color, no gradient text */
.arc__acc {
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.arc__node--final .arc__acc { color: var(--purple-strong); }

.arc__params { font-size: 12px; font-weight: 500; color: var(--ink-35); letter-spacing: 0.02em; font-variant-numeric: tabular-nums; }
.arc__compare {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--purple-strong);
  background: var(--purple-dim);
  border: 1px solid oklch(60% 0.14 35 / 0.30);
  padding: 4px 10px;
  border-radius: 100px;
  margin-top: 6px;
  width: fit-content;
  font-variant-numeric: tabular-nums;
}
.arc__story { font-size: 14px; line-height: 1.65; color: var(--text-2); max-width: 220px; margin-top: 8px; }

/* Callout — background tint, not border-left stripe */
.arc__callout {
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.4;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 32px;
}
.arc__callout strong { color: var(--purple-strong); }

/* ─── ARCHITECTURE ────────────────────────────────────────────── */
.arch { padding: 120px 60px; background: var(--surface); }
.arch__sub {
  font-size: clamp(16px, 1.8vw, 20px);
  color: var(--text-2);
  margin-bottom: 56px;
  max-width: 560px;
  line-height: 1.6;
}
.arch__diagram {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}
.arch__col--left { display: flex; flex-direction: column; gap: 12px; }
.arch__branch {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 16px 20px;
  border-radius: 10px;
  min-width: 200px;
}
.arch__branch-tag { font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--purple-strong); }
.arch__branch-name { font-size: 14px; font-weight: 700; color: var(--text); }
.arch__branch-dim { font-size: 12px; color: var(--ink-35); font-variant-numeric: tabular-nums; }
.arch__arrow { font-size: 24px; color: var(--ink-35); flex-shrink: 0; }
.arch__fusion {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: var(--purple-dim);
  border: 1px solid oklch(60% 0.14 35 / 0.35);
  padding: 20px 28px;
  border-radius: 10px;
}
.arch__fusion-tag { font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--purple-strong); }
.arch__fusion-dim {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--purple-strong);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.arch__fusion-name { font-size: 12px; color: var(--text-2); }
.arch__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 20px 28px;
  border-radius: 10px;
}
.arch__head-label { font-size: clamp(20px, 2.4vw, 28px); font-weight: 900; letter-spacing: -0.04em; }
.arch__head-note { font-size: 11px; color: var(--ink-35); letter-spacing: 0.04em; }
.arch__plots { display: flex; gap: 32px; flex-wrap: wrap; }
.arch__figure { flex: 1; min-width: min(460px, 100%); }
.arch__figure-link {
  display: block;
  text-decoration: none;
  transition: transform 0.2s;
}
.arch__figure-link:hover { transform: translateY(-2px); }
.arch__figure-link:hover img { border-color: var(--purple-strong); }
.arch__figure img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: block;
  transition: border-color 0.2s;
}
.arch__figure figcaption { font-size: 12px; color: var(--ink-35); margin-top: 12px; line-height: 1.5; }
.arch__figure-cue {
  color: var(--purple-strong);
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* ─── CTA ─────────────────────────────────────────────────────── */
.cta {
  padding: 160px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 36px;
  position: relative;
}
.cta__headline {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--text);
  margin: 0;
}
.cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--purple);
  color: oklch(15% 0.01 50);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 18px 40px;
  border-radius: 10px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
}
.cta__btn:hover { opacity: 0.88; transform: translateY(-2px); }
.cta__note {
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-35);
  letter-spacing: 0.02em;
  margin: -12px 0 0;
}
.cta__links { display: flex; gap: 36px; }
.cta__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-35);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}
.cta__links a:hover { color: var(--text); }

/* ─── FOOTER ──────────────────────────────────────────────────── */
.footer {
  padding: 36px 60px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  position: relative;
  z-index: 1;
}
.footer__team,
.footer__course { font-size: 12px; color: var(--ink-35); letter-spacing: 0.04em; }

/* ─── FOCUS STATES (keyboard a11y) ───────────────────────────── */
a:focus,
button:focus { outline: none; }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 3px;
  border-radius: 4px;
}
.btn-primary:focus-visible,
.cta__btn:focus-visible {
  outline-offset: 4px;
  border-radius: 10px;
}

/* ─── REDUCED MOTION ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  /* Hero carousel: freeze on Oval (slide 1), no cycling, label visible static */
  .hero-portrait-slide { transition: none; }
  .hero-portrait-slide:nth-child(1) { opacity: 1; }
  .hero-portrait-slide:nth-child(1) .hero-portrait-label {
    opacity: 1;
    transform: rotate(-3deg) scale(1) translateY(0);
    transition: none;
  }
}

/* ─── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 960px) {
  nav { padding: 18px 28px; }
  .nav-links { display: none; }

  .hero {
    grid-template-columns: 1fr;
    padding: 100px 28px 80px;
    gap: 56px;
    min-height: auto;
  }
  .hero-eyebrow { margin-bottom: 24px; }
  .hero-headline { margin-bottom: 24px; }
  .hero-subtitle { margin-bottom: 32px; }
  .hero-cta-row { flex-wrap: wrap; gap: 16px; }
  .hero-portrait { order: -1; }
  .hero-portrait-img { max-width: 320px; }
  .hero-portrait-label { padding: 10px 16px; }
  .hero-portrait-name { font-size: 22px; }

  .problem { padding: 80px 28px 100px; }
  .problem-header { grid-template-columns: 1fr; gap: 24px; margin-bottom: 48px; }
  .problem-intro-text { max-width: none; }

  .stat-row { grid-template-columns: 160px 1fr; gap: 28px; padding: 36px 0; }
  .stat-index { display: none; }
  .section-divider { padding: 0 28px; }

  .footer { padding: 32px 28px; }
  .insight { padding: 80px 28px; }
  .insight-header { grid-template-columns: 1fr; gap: 24px; margin-bottom: 56px; }
  .shapes-row { gap: 24px; }

  .arc { padding: 80px 28px; }
  .arc__timeline { flex-wrap: wrap; gap: 40px; }
  .arc__connector { display: none; }
  .arc__node { flex: none; width: 100%; padding-right: 0; max-width: 300px; }

  .arch { padding: 80px 28px; }
  .arch__diagram { gap: 12px; }

  .cta { padding: 100px 28px; }
  .footer { padding: 28px; flex-direction: column; align-items: flex-start; }
}
@media (max-width: 600px) {
  .stat-row { grid-template-columns: 1fr; gap: 16px; }
  .stat-row::before { inset: 0; } /* drop the -60px bleed so it doesn't overflow narrow viewports */
  .stat-number { font-size: 72px; }
}