/* ============================================================
   DataBait.io — Shared stylesheet
   Brand: Gamme 3 Light (Dark Cyan Slate #0a2f30 + Orange-yellow #ffcb39)
   ============================================================ */

/* Inter Variable — self-hosted, single TTF covering the full weight axis (100–900).
   Per charter v1, Inter is the engineering-locked brand typeface. */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/inter-variable.ttf") format("truetype-variations");
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Design tokens — Gamme 3 Light (per charter v1)
   Pair: Dark Cyan Slate #0a2f30 + Orange-yellow #ffcb39, on warm cream #fbfaf6 */
:root {
  --color-bg: #fbfaf6;            /* warm cream page surface (derived: secondary-5 lighten) */
  --color-surface: #f2efe6;       /* card surface (charter secondary-5) */
  --color-surface-elev: #ece8db;  /* hover-lifted surface */
  --color-accent: #0a2f30;        /* slate — CTAs, nav-cta, skip-link bg */
  --color-accent-hover: #143a3b;  /* slate lighten — CTA hover */
  --color-accent-glow: rgba(10, 47, 48, 0.18);
  --color-accent-warm: #b8830f;        /* orange-yellow darkened for AA on cream — em / eyebrow / dots */
  --color-accent-warm-hover: #d49a14;
  --color-accent-warm-glow: rgba(255, 203, 57, 0.16);
  --color-text: #0a2f30;          /* slate body text on cream */
  --color-text-muted: #5a6f70;
  --color-text-dim: #8a9a9a;
  --color-border: rgba(10, 47, 48, 0.12);
  --color-border-strong: rgba(184, 131, 15, 0.35);
  --color-danger: #c42a1d;
  --color-danger-bg: rgba(196, 42, 29, 0.12);

  --font-sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-caps: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --fs-h1: clamp(2.2rem, 5vw, 3.5rem);
  --fs-h2: clamp(1.6rem, 3vw, 2.2rem);
  --fs-h3: 1.05rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-caps-label: 0.75rem;

  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 5rem;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 100px;

  --maxw: 1100px;
  --maxw-prose: 720px;

  --nav-h: 76px;
  /* ease-out-quart: confident deceleration without snap; carries every transition.
     ease-out-quint reserved for the long reveal-on-scroll where a snappier tail
     prevents the 600 ms transition from feeling laggy. */
  --ease: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-long: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + var(--sp-4));
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle probe grid background */
body::before {
  background-image:
    linear-gradient(rgba(10, 47, 48, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 47, 48, 0.04) 1px, transparent 1px);
  background-size: 120px 120px;
  content: "";
  inset: 0;
  pointer-events: none;
  position: fixed;
  z-index: 0;
}

/* Skip link — focus-visible only for keyboard users */
.skip-link {
  background: var(--color-accent);
  border-radius: 0 0 var(--radius-sm) 0;
  color: var(--color-bg);
  font-weight: 600;
  left: 0;
  padding: 0.75rem 1.25rem;
  position: absolute;
  top: 0;
  transform: translateY(-120%);
  transition: transform 0.2s var(--ease);
  z-index: 200;
}

.skip-link:focus {
  color: var(--color-bg);
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
  transform: translateY(0);
}

/* Layout primitives */
.container {
  margin-inline: auto;
  max-width: var(--maxw);
  padding-inline: var(--sp-6);
  position: relative;
  z-index: 1;
}

section {
  padding-block: var(--sp-8);
}

/* Continuation sections — tighter rhythm against anchor sections (hero, use-cases, how, cta) */
.problem,
#trust {
  padding-block: var(--sp-7);
}

a {
  color: var(--color-accent-warm);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--color-accent-warm-hover);
}

:focus-visible {
  outline: 2px solid var(--color-accent-warm);
  outline-offset: 3px;
  border-radius: 2px;
}

img,
svg {
  display: block;
  max-width: 100%;
}

strong {
  color: var(--color-text);
  font-weight: 700;
}

em {
  color: var(--color-accent-warm);
  font-style: normal;
}

/* Icon sizing */
.icon {
  flex-shrink: 0;
  height: 1.25em;
  width: 1.25em;
}

/* Section label (tracked uppercase — no mono typeface in the system per DESIGN.md § 3 / BRAND.md § 4) */
.section-label {
  align-items: center;
  color: var(--color-accent-warm);
  display: flex;
  font-family: var(--font-caps);
  font-size: var(--fs-caps-label);
  font-weight: 700;
  gap: 0.6em;
  letter-spacing: 2px;
  margin-bottom: var(--sp-3);
  text-transform: uppercase;
}

/* Probe-dot prefix — reuses the logo's visual DNA */
.section-label::before {
  background: var(--color-accent-warm);
  border-radius: 50%;
  content: "";
  display: block;
  flex-shrink: 0;
  height: 6px;
  width: 6px;
}

.section-title {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: var(--sp-4);
}

.section-desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: var(--sp-7);
  max-width: 640px;
}

/* When two .section-desc paragraphs are adjacent, tighten the gap between them
   (the last paragraph keeps the standard sp-7 gap before the section content). */
.section-desc:has(+ .section-desc) {
  margin-bottom: var(--sp-4);
}

/* =========================
   Nav
   ========================= */
.nav {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  inset: 0 0 auto 0;
  position: fixed;
  z-index: 100;
}

.nav .container {
  align-items: center;
  display: flex;
  gap: var(--sp-5);
  height: var(--nav-h);
  justify-content: space-between;
}

.nav-logo {
  display: block;
  flex-shrink: 0;
}

.nav-logo img {
  height: 44px;
  width: auto;
}

.nav-panel {
  align-items: center;
  display: flex;
  flex: 1;
  gap: var(--sp-5);
  justify-content: space-between;
}

.nav-links {
  align-items: center;
  display: flex;
  flex: 1;
  gap: var(--sp-5);
  justify-content: center;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: var(--fs-small);
  font-weight: 500;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a[aria-current="location"] {
  color: var(--color-text);
  font-weight: 700;
}

.nav-panel-end {
  align-items: center;
  display: flex;
  flex-shrink: 0;
  gap: var(--sp-4);
}

.nav-toggle {
  align-items: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
  display: none;
  height: 44px;
  justify-content: center;
  padding: 0;
  width: 44px;
}

.nav-toggle:hover {
  background: var(--color-accent-warm-glow);
  border-color: var(--color-accent-warm);
}

.nav-toggle svg {
  height: 22px;
  width: 22px;
}

.nav-toggle-close {
  display: none;
}

.nav[data-open="true"] .nav-toggle-open {
  display: none;
}

.nav[data-open="true"] .nav-toggle-close {
  display: block;
}

.lang-switcher {
  color: var(--color-text-dim);
  font-family: var(--font-caps);
  font-size: var(--fs-caps-label);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.lang-switcher a {
  color: var(--color-text-dim);
  padding-inline: var(--sp-1);
}

.lang-switcher a[aria-current="page"] {
  color: var(--color-text);
}

.lang-switcher a:hover {
  color: var(--color-accent-warm);
}

.nav-cta {
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  color: var(--color-bg);
  font-size: var(--fs-small);
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.nav-cta:hover {
  background: var(--color-accent-hover);
  color: var(--color-bg);
  transform: translateY(-1px);
}

/* =========================
   Hero
   ========================= */
.hero {
  padding-block: calc(var(--nav-h) + var(--sp-8)) var(--sp-8);
  position: relative;
  text-align: left;
}

/* Probe-dot decoration — scattered accent circles as a nod to the logo ADN */
.hero::before,
.hero::after {
  background-image: url("/assets/img/probe-dots.svg");
  background-repeat: no-repeat;
  background-size: contain;
  content: "";
  height: 280px;
  opacity: 0.28;
  pointer-events: none;
  position: absolute;
  width: 280px;
  z-index: 0;
}

.hero::before {
  left: -80px;
  top: 60px;
}

.hero::after {
  bottom: -40px;
  right: -80px;
  transform: rotate(180deg);
}

.hero .container {
  z-index: 1;
}

.hero h1 {
  font-size: var(--fs-h1);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: var(--sp-5);
}

.hero h1 em {
  color: var(--color-accent-warm);
  font-style: normal;
}

.hero p {
  color: var(--color-text-muted);
  font-size: 1.15rem;
  line-height: 1.75;
  margin-bottom: var(--sp-7);
  max-width: 680px;
}

.btn {
  align-items: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 600;
  gap: var(--sp-2);
  padding: 0.9rem 1.75rem;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.btn-primary {
  background: var(--color-accent);
  border: 0;
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 8px 30px var(--color-accent-glow);
  color: var(--color-bg);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--color-accent-warm-glow);
  border-color: var(--color-accent-warm);
  color: var(--color-text);
}

.hero-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: flex-start;
}

/* Expectation-setting microcopy below the demo CTAs (hero + CTA section).
   Sits between actions and trust strip; communicates response cadence. */
.cta-reply {
  color: var(--color-text-dim);
  font-size: var(--fs-small);
  margin-bottom: 0;
  margin-top: var(--sp-4);
}

/* Hero reassurance strip — credentials below the CTAs */
.hero-trust {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-5);
  justify-content: flex-start;
  list-style: none;
  margin-top: var(--sp-6);
}

.hero-trust-item {
  align-items: center;
  color: var(--color-text-muted);
  display: inline-flex;
  font-family: var(--font-caps);
  font-size: var(--fs-caps-label);
  font-weight: 600;
  gap: 0.5em;
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
}

.hero-trust-item svg {
  color: var(--color-text-muted);
  flex-shrink: 0;
  height: 16px;
  width: 16px;
}

/* =========================
   Problem
   ========================= */
.problem {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
}

.problem-text {
  color: var(--color-text-muted);
  font-size: 1.2rem;
  line-height: 1.9;
  max-width: var(--maxw-prose);
}

.problem-text:has(+ .problem-text) {
  margin-bottom: var(--sp-4);
}

.problem-text strong {
  color: var(--color-text);
}

/* =========================
   Use cases (4 cards: 1 col mobile, 2 col tablet, 4 col desktop)
   ========================= */
.use-cases-grid {
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .use-cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .use-cases-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-6);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease),
    transform 0.25s var(--ease);
}

.card:hover {
  background: var(--color-surface-elev);
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}

.card-icon {
  align-items: center;
  background: var(--color-accent-warm-glow);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-accent-warm);
  display: inline-flex;
  height: 48px;
  justify-content: center;
  margin-bottom: var(--sp-4);
  width: 48px;
}

.card-icon svg {
  height: 24px;
  width: 24px;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--sp-2);
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* =========================
   Steps (How it works)
   ========================= */
.steps {
  counter-reset: step;
  list-style: none;
}

.step h3::before {
  content: counter(step, decimal-leading-zero) " · ";
  counter-increment: step;
}

.step {
  align-items: start;
  border-bottom: 1px solid var(--color-border);
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: 64px 1fr;
  padding-block: var(--sp-5);
}

.step:last-child {
  border-bottom: 0;
}

.step-icon {
  align-items: center;
  background: var(--color-accent-warm-glow);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-accent-warm);
  display: flex;
  height: 56px;
  justify-content: center;
  width: 56px;
}

.step-icon svg {
  height: 28px;
  width: 28px;
}

.step h3 {
  color: var(--color-text);
  font-family: var(--font-caps);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: var(--sp-2);
  text-transform: uppercase;
}

.step p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Timeline bar */
.timeline {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: var(--sp-7);
  overflow: hidden;
}

.timeline-cell {
  border-right: 1px solid var(--color-border);
  padding: var(--sp-6) var(--sp-5);
  text-align: center;
}

.timeline-cell:last-child {
  border-right: 0;
}

.timeline-value {
  color: var(--color-accent-warm);
  font-family: var(--font-caps);
  font-feature-settings: "tnum";
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: var(--sp-1);
}

.timeline-label {
  color: var(--color-text-dim);
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* =========================
   Stakeholders (5-up grid / mobile scroll-snap)
   ========================= */
.stakeholders {
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.stakeholders-grid {
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* Desktop: 3+2 staggered grid. Row 1 fills cols 1-3 (CEO, CTO, CLO); row 2
   starts at col 2 (CMO, CISO). The bottom-left whitespace is intentional —
   reads as a curated list of five stakeholders, not a uniform deck. */
@media (min-width: 960px) {
  .stakeholders-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .stakeholders-grid > :nth-child(4) {
    grid-column-start: 2;
  }
}

.stakeholder {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-5);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.stakeholder:hover {
  background: var(--color-surface-elev);
  border-color: var(--color-border-strong);
}

.stakeholder .card-icon {
  height: 42px;
  width: 42px;
}

.stakeholder .card-icon svg {
  height: 20px;
  width: 20px;
}

.stakeholder h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--sp-2);
}

.stakeholder p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* =========================
   Trust signals (4 horizontal badges)
   ========================= */
.trust-band {
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: var(--sp-4);
}

.trust-item {
  align-items: start;
  display: flex;
  gap: var(--sp-4);
}

.trust-icon {
  color: var(--color-accent-warm);
  flex-shrink: 0;
}

.trust-icon svg {
  height: 28px;
  width: 28px;
}

.trust-item strong {
  color: var(--color-text);
  display: block;
  font-size: 0.95rem;
  margin-bottom: var(--sp-1);
}

.trust-item span {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* =========================
   CTA
   ========================= */
.cta {
  background: radial-gradient(
    ellipse at center,
    var(--color-accent-warm-glow) 0%,
    transparent 70%
  );
  padding-block: var(--sp-8);
  text-align: center;
}

.cta .container {
  max-width: var(--maxw-prose);
}

.cta h2 {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: var(--sp-4);
}

.cta p {
  color: var(--color-text-muted);
  margin-bottom: var(--sp-6);
}

.cta-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: center;
}

.copy-email {
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
  display: inline-flex;
  font-family: var(--font-caps);
  font-size: var(--fs-small);
  gap: var(--sp-2);
  padding: 0.75rem 1.25rem;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.copy-email:hover {
  background: var(--color-surface-elev);
  border-color: var(--color-accent-warm);
}

.copy-email[data-copied="true"] {
  border-color: var(--color-accent-warm);
  color: var(--color-accent-warm);
}

.copy-email svg {
  height: 16px;
  width: 16px;
}

.copy-email .copy-icon-done {
  display: none;
}

.copy-email[data-copied="true"] .copy-icon-default {
  display: none;
}

.copy-email[data-copied="true"] .copy-icon-done {
  display: block;
}

/* =========================
   Footer
   ========================= */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--sp-7);
}

.footer .container {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: 1.5fr 1fr 1fr;
}

.footer-brand img {
  height: 36px;
  margin-bottom: var(--sp-3);
  width: auto;
}

.footer-brand p {
  color: var(--color-text-dim);
  font-size: var(--fs-small);
  max-width: 280px;
}

.footer-col h3 {
  color: var(--color-text-dim);
  font-family: var(--font-caps);
  font-size: var(--fs-caps-label);
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: var(--sp-3);
  text-transform: uppercase;
}

.footer-col ul {
  list-style: none;
}

.footer-col li + li {
  margin-top: var(--sp-2);
}

.footer-col a {
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}

.footer-col a:hover {
  color: var(--color-accent-warm);
}

.footer-bottom {
  align-items: center;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-dim);
  display: flex;
  font-size: var(--fs-small);
  justify-content: space-between;
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
}

/* =========================
   Stub splash (FR iteration 1)
   ========================= */
.stub-splash {
  align-items: center;
  display: flex;
  justify-content: center;
  min-height: calc(100vh - var(--nav-h));
  padding-block: var(--sp-8);
  text-align: center;
}

.stub-splash h1 {
  font-size: var(--fs-h1);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-block: var(--sp-5);
}

.stub-splash p {
  color: var(--color-text-muted);
  font-size: 1.15rem;
  line-height: 1.75;
  margin-inline: auto;
  margin-bottom: var(--sp-7);
  max-width: 600px;
}

/* =========================
   Legal page
   ========================= */
.legal-page {
  padding-block: calc(var(--nav-h) + var(--sp-8)) var(--sp-8);
}

.legal-page .container {
  max-width: var(--maxw-prose);
}

.legal-page h1 {
  font-size: var(--fs-h1);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: var(--sp-3);
}

.legal-page .updated {
  color: var(--color-text-dim);
  font-family: var(--font-caps);
  font-feature-settings: "tnum";
  font-size: var(--fs-small);
  margin-bottom: var(--sp-7);
}

.legal-page h2 {
  color: var(--color-text);
  font-size: 1.3rem;
  font-weight: 700;
  margin-block: var(--sp-6) var(--sp-3);
}

.legal-page p,
.legal-page li {
  color: var(--color-text-muted);
  line-height: 1.8;
}

.legal-page ul {
  margin-bottom: var(--sp-4);
  padding-left: var(--sp-5);
}

.legal-page address {
  color: var(--color-text-muted);
  font-style: normal;
  line-height: 1.8;
}

.placeholder {
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger);
  border-radius: 4px;
  color: var(--color-danger);
  font-family: var(--font-caps);
  font-size: 0.85em;
  font-weight: 700;
  padding: 0.1em 0.4em;
  white-space: nowrap;
}

.legal-notice-box {
  background: var(--color-accent-warm-glow);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-block: var(--sp-5);
  padding: var(--sp-4) var(--sp-5);
}

/* =========================
   Vertical landing: assurance cyber
   Components specific to the vertical landing pages.
   Hero, section labels, btn, container, footer, cta, hero-trust are inherited.
   ========================= */

/* Eyebrow caption above H1 — vertical landing variant */
.eyebrow {
  color: var(--color-accent-warm);
  font-family: var(--font-caps);
  font-size: var(--fs-caps-label);
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: var(--sp-4);
  text-transform: uppercase;
}

.container-prose {
  margin-inline: auto;
  max-width: var(--maxw-prose);
}

/* =========================
   Section 1: IBM exposure data (editorial-typographic)
   Avoids "hero-metric template" by going vertical, asymmetric, with
   light-weight display numbers and supporting reading paragraphs.
   ========================= */
.exposition {
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.ibm-data {
  list-style: none;
  margin-top: var(--sp-6);
  padding: 0;
}

.ibm-row {
  align-items: baseline;
  border-top: 1px solid var(--color-border);
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: 1fr;
  padding-block: var(--sp-6);
}

.ibm-row:last-child {
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 720px) {
  .ibm-row {
    gap: var(--sp-7);
    grid-template-columns: minmax(180px, 280px) 1fr;
  }
}

.ibm-number {
  color: var(--color-accent-warm);
  font-feature-settings: "tnum";
  font-size: clamp(2.8rem, 6.5vw, 4.6rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 0.95;
}

.ibm-unit {
  display: inline-block;
  font-size: 0.42em;
  font-weight: 500;
  letter-spacing: 0;
  margin-left: 0.15em;
  vertical-align: baseline;
}

.ibm-body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.ibm-caption {
  color: var(--color-text);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.45;
}

.ibm-reading {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.exposition-takeaway {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-inline: auto;
  margin-top: var(--sp-7);
  max-width: var(--maxw-prose);
}

.exposition-takeaway strong {
  color: var(--color-text);
}

/* =========================
   Section 2: Levers (2x2 non-identical cards)
   ========================= */
.levers-grid {
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: 1fr;
  margin-top: var(--sp-6);
}

@media (min-width: 880px) {
  .levers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-6);
  }
}

.lever {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  padding: var(--sp-6);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.lever:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}

.lever-warm {
  background: var(--color-accent-warm-glow);
  border-color: var(--color-border-strong);
}

.lever-label {
  color: var(--color-accent-warm);
  font-family: var(--font-caps);
  font-size: var(--fs-caps-label);
  font-weight: 700;
  letter-spacing: 1.5px;
  margin: 0;
  text-transform: uppercase;
}

.lever h3 {
  color: var(--color-text);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
}

.lever p {
  color: var(--color-text-muted);
  font-size: 0.97rem;
  line-height: 1.7;
  margin: 0;
}

.lever-stat {
  color: var(--color-text);
  font-size: 0.97rem;
}

.lever-stat strong {
  color: var(--color-accent-warm);
}

.lever-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.lever-list li {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  padding-left: var(--sp-5);
  position: relative;
}

.lever-list li::before {
  background: var(--color-accent-warm);
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  top: 0.75em;
  width: 14px;
}

.lever-list li strong {
  color: var(--color-text);
}

.lever-callout {
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  padding: var(--sp-4) var(--sp-5);
}

.lever-callout-label {
  color: var(--color-accent-warm);
  font-family: var(--font-caps);
  font-size: var(--fs-caps-label);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.lever-callout-text {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* =========================
   Section 3: Proof checklist
   ========================= */
.preuve {
  background: var(--color-surface);
}

.proof-deed {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin: var(--sp-7) auto 0;
  max-width: var(--maxw-prose);
  padding: var(--sp-7);
}

.proof-deed-header {
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-5);
  text-align: center;
}

.proof-deed-label {
  color: var(--color-accent-warm);
  font-size: var(--fs-caps-label);
  font-weight: 700;
  letter-spacing: 0.22em;
  margin: 0;
  text-transform: uppercase;
}

.proof-deed-meta {
  color: var(--color-text-muted);
  font-size: var(--fs-small);
  margin: var(--sp-3) 0 0;
}

.proof-clauses {
  list-style: none;
  margin: 0;
  padding: 0;
}

.proof-clause {
  align-items: baseline;
  border-bottom: 1px solid var(--color-border);
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: minmax(140px, 0.42fr) 1fr;
  padding-block: var(--sp-5);
}

.proof-clause:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.proof-clause-ref {
  color: var(--color-text-muted);
  font-size: var(--fs-caps-label);
  font-weight: 700;
  letter-spacing: 0.14em;
  margin: 0;
  text-transform: uppercase;
}

.proof-clause-body {
  color: var(--color-text);
  line-height: 1.65;
  margin: 0;
}

.proof-clause-body strong {
  color: var(--color-text);
  font-weight: 600;
}

.proof-deed-footer {
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: var(--sp-5);
  padding-top: var(--sp-5);
}

.proof-deed-footer p {
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 720px) {
  .proof-deed {
    padding: var(--sp-5);
  }

  .proof-clause {
    gap: var(--sp-2);
    grid-template-columns: 1fr;
  }
}

/* =========================
   Section 4: Partnership (2x2 quiet, no card chrome)
   ========================= */
.partner-grid {
  display: grid;
  gap: var(--sp-7);
  grid-template-columns: 1fr;
  margin-top: var(--sp-6);
}

@media (min-width: 760px) {
  .partner-grid {
    column-gap: var(--sp-8);
    grid-template-columns: repeat(2, 1fr);
    row-gap: var(--sp-7);
  }
}

.partner {
  border-top: 1px solid var(--color-border-strong);
  padding-top: var(--sp-4);
}

.partner-axis {
  color: var(--color-text-muted);
  font-family: var(--font-caps);
  font-size: var(--fs-caps-label);
  font-weight: 700;
  letter-spacing: 1.5px;
  margin: 0 0 var(--sp-2);
  text-transform: uppercase;
}

.partner h3 {
  color: var(--color-text);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--sp-3);
}

.partner p {
  color: var(--color-text-muted);
  font-size: 0.97rem;
  line-height: 1.7;
}

.partner strong {
  color: var(--color-text);
}

/* =========================
   Section 5: FAQ (native details/summary)
   ========================= */
.faq-list {
  display: flex;
  flex-direction: column;
  margin-top: var(--sp-6);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--sp-4);
}

.faq-item:first-of-type {
  border-top: 1px solid var(--color-border);
}

.faq-item summary {
  color: var(--color-text);
  cursor: pointer;
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.45;
  list-style: none;
  padding-right: var(--sp-7);
  position: relative;
  transition: color 0.2s var(--ease);
}

.faq-item summary:hover {
  color: var(--color-accent-warm);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

/* CSS-drawn plus icon, rotates to × when open */
.faq-item summary::after {
  background:
    linear-gradient(currentColor, currentColor) center / 100% 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) center / 1.5px 100% no-repeat;
  color: var(--color-accent-warm);
  content: "";
  height: 14px;
  position: absolute;
  right: var(--sp-2);
  top: calc(50% - 7px);
  transition: transform 0.25s var(--ease);
  width: 14px;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--color-accent-warm);
  outline-offset: 4px;
}

.faq-answer {
  color: var(--color-text-muted);
  margin-top: var(--sp-4);
}

.faq-answer p {
  font-size: 0.97rem;
  line-height: 1.7;
  margin-bottom: var(--sp-3);
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer strong {
  color: var(--color-text);
}

.faq-answer ul,
.faq-answer ol,
.faq-answer .faq-ranked {
  margin-bottom: var(--sp-4);
  padding-left: var(--sp-5);
}

.faq-answer li {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--sp-2);
}

.faq-answer .faq-ranked {
  counter-reset: rank;
  list-style: none;
  padding-left: 0;
}

.faq-answer .faq-ranked li {
  counter-increment: rank;
  padding-left: 2.2em;
  position: relative;
}

.faq-answer .faq-ranked li::before {
  color: var(--color-accent-warm);
  content: counter(rank, decimal-leading-zero);
  font-family: var(--font-caps);
  font-feature-settings: "tnum";
  font-size: 0.85em;
  font-weight: 700;
  left: 0;
  letter-spacing: 1px;
  position: absolute;
  top: 0.1em;
}

/* =========================
   Reveal-on-scroll
   ========================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-long), transform 0.6s var(--ease-long);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero entrance choreography. main.js sets --stagger-i on each [data-reveal]
   descendant of [data-stagger] so the items cascade rather than fire as a block.
   Reduced-motion is already neutralized by the global clamp below. */
[data-stagger] [data-reveal] {
  transition-delay: calc(var(--stagger-i, 0) * 70ms);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* =========================
   Responsive
   ========================= */
@media (max-width: 768px) {
  section {
    padding-block: var(--sp-7);
  }

  .hero {
    padding-block: calc(var(--nav-h) + var(--sp-6)) var(--sp-6);
  }

  .nav .container {
    gap: var(--sp-3);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-panel {
    align-items: stretch;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    gap: var(--sp-4);
    left: 0;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
    padding: var(--sp-5) var(--sp-6) var(--sp-6);
    position: absolute;
    right: 0;
    top: 100%;
    transform: translateY(-110%);
    transition: transform 0.25s var(--ease), visibility 0s linear 0.25s;
    visibility: hidden;
  }

  .nav[data-open="true"] .nav-panel {
    transform: translateY(0);
    transition: transform 0.25s var(--ease), visibility 0s linear 0s;
    visibility: visible;
  }

  .nav-links {
    flex: 0 0 auto;
    flex-direction: column;
    gap: var(--sp-2);
    justify-content: flex-start;
  }

  .nav-links a {
    color: var(--color-text);
    display: block;
    font-size: 1rem;
    padding: var(--sp-2) 0;
  }

  .nav-panel-end {
    border-top: 1px solid var(--color-border);
    flex-direction: column;
    gap: var(--sp-4);
    padding-top: var(--sp-4);
  }

  .nav-panel-end .nav-cta {
    align-self: stretch;
    text-align: center;
  }

  .step {
    grid-template-columns: 1fr;
    gap: var(--sp-3);
  }

  .step-icon {
    height: 44px;
    width: 44px;
  }

  .step-icon svg {
    height: 22px;
    width: 22px;
  }

  .timeline {
    grid-template-columns: 1fr;
  }

  .timeline-cell {
    border-bottom: 1px solid var(--color-border);
    border-right: 0;
  }

  .timeline-cell:last-child {
    border-bottom: 0;
  }

  /* Stakeholders → horizontal scroll-snap on mobile */
  .stakeholders-grid {
    display: flex;
    gap: var(--sp-4);
    margin-inline: calc(var(--sp-6) * -1);
    overflow-x: auto;
    padding-inline: var(--sp-6);
    scroll-padding: var(--sp-6);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .stakeholder {
    flex: 0 0 78%;
    scroll-snap-align: start;
  }

  .footer .container {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--sp-3);
    text-align: center;
  }

  /* Vertical landing: mobile adjustments */
  .ibm-row {
    grid-template-columns: 1fr;
    gap: var(--sp-3);
  }

  .lever {
    padding: var(--sp-5);
  }

  .partner-grid {
    gap: var(--sp-6);
  }

  .faq-item summary {
    font-size: 1rem;
    padding-right: var(--sp-6);
  }
}