/* ==========================================================================
   Factur-X Reader — site vitrine
   Feuille de style unique, sans dépendance externe.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Jetons de design
   -------------------------------------------------------------------------- */
:root {
  color-scheme: light;

  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --surface: #ffffff;
  --surface-2: #fbfcfe;

  --ink: #0d1a28;
  --text: #1d2c3b;
  --muted: #5a6a7d;

  --line: #e3eaf3;
  --line-strong: #cfdae8;

  --accent: #0b6bcb;
  --accent-strong: #08569f;
  --accent-light: #3d95e8;
  --accent-soft: #eaf3fd;
  --accent-ink: #06457f;

  --amber: #b4610a;
  --amber-light: #f59e0b;
  --amber-soft: #fdf3e3;

  --ok: #0f8a5f;
  --ok-soft: #e6f6ef;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;

  --shadow-xs: 0 1px 2px rgba(13, 30, 52, 0.06);
  --shadow-sm: 0 2px 6px rgba(13, 30, 52, 0.05), 0 8px 24px -12px rgba(13, 30, 52, 0.12);
  --shadow-md: 0 18px 40px -20px rgba(13, 30, 52, 0.28), 0 4px 12px rgba(13, 30, 52, 0.05);
  --shadow-lg: 0 50px 90px -40px rgba(9, 32, 64, 0.45);

  --maxw: 1140px;
  --header-h: 68px;

  --ease: cubic-bezier(0.22, 0.68, 0.28, 1);

  --footer-bg: #0a1522;
  --footer-text: #a9bacd;
  --footer-ink: #f2f7fc;
}

[data-theme="dark"] {
  color-scheme: dark;

  --bg: #080d14;
  --bg-soft: #0c141e;
  --surface: #101a26;
  --surface-2: #0e1721;

  --ink: #eef4fb;
  --text: #ccd9e7;
  --muted: #8fa1b6;

  --line: #1e2b3a;
  --line-strong: #2b3d50;

  --accent: #55aaff;
  --accent-strong: #8cc6ff;
  --accent-light: #7ab8ff;
  --accent-soft: rgba(85, 170, 255, 0.11);
  --accent-ink: #cfe6ff;

  --amber: #f3b455;
  --amber-light: #f5b445;
  --amber-soft: rgba(245, 158, 11, 0.12);

  --ok: #43d69f;
  --ok-soft: rgba(67, 214, 159, 0.12);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.34), 0 8px 24px -12px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 18px 40px -20px rgba(0, 0, 0, 0.7), 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 50px 90px -40px rgba(0, 0, 0, 0.85);

  --footer-bg: #060a10;
}

/* --------------------------------------------------------------------------
   2. Réinitialisation et base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 18px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.6em;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.023em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.05rem, 1.25rem + 2.6vw, 3.35rem);
  line-height: 1.06;
  letter-spacing: -0.032em;
}

h2 {
  font-size: clamp(1.6rem, 0.95rem + 1.7vw, 2.35rem);
  letter-spacing: -0.028em;
}

h3 {
  font-size: 1.12rem;
  letter-spacing: -0.012em;
}

p {
  margin: 0 0 1em;
  text-wrap: pretty;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

strong {
  color: var(--ink);
  font-weight: 650;
}

::selection {
  background: var(--accent-soft);
  color: var(--accent-ink);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   3. Utilitaires de mise en page
   -------------------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}

.section {
  padding-block: clamp(64px, 8vw, 116px);
}

.section--soft {
  background: var(--bg-soft);
  border-block: 1px solid var(--line);
}

.section-head {
  max-width: 720px;
  margin-bottom: clamp(32px, 4vw, 56px);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

.section-head--center .eyebrow::before {
  display: none;
}

.lead {
  font-size: clamp(1.02rem, 0.96rem + 0.3vw, 1.16rem);
  color: var(--muted);
  line-height: 1.7;
}

.section-head .lead {
  margin-bottom: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  transition: top 0.18s var(--ease);
}

.skip-link:focus {
  top: 12px;
  color: #fff;
}

/* --------------------------------------------------------------------------
   4. Boutons
   -------------------------------------------------------------------------- */
.btn {
  --btn-bg: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.78rem 1.3rem;
  border: 1px solid transparent;
  border-radius: 12px;
  background: var(--btn-bg);
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 620;
  letter-spacing: -0.008em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.16s var(--ease), box-shadow 0.16s var(--ease),
    background-color 0.16s var(--ease), border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.btn svg {
  flex: none;
  width: 17px;
  height: 17px;
}

.btn--primary {
  background: linear-gradient(180deg, #1c81e2 0%, var(--accent) 55%, #0a5fbb 100%);
  border-color: #0a5cae;
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 10px 22px -12px rgba(11, 107, 203, 0.9);
}

.btn--primary:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32),
    0 16px 30px -14px rgba(11, 107, 203, 0.95);
}

.btn--ghost {
  background: var(--surface);
  border-color: var(--line-strong);
  color: var(--ink);
  box-shadow: var(--shadow-xs);
}

.btn--ghost:hover {
  color: var(--ink);
  background: var(--surface-2);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 0.95rem 1.6rem;
  border-radius: 13px;
  font-size: 1rem;
}

.btn--sm {
  padding: 0.55rem 0.95rem;
  border-radius: 9px;
  font-size: 0.875rem;
}

.btn--block {
  width: 100%;
}

.btn:active {
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   5. En-tête
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.site-header.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px -20px rgba(13, 30, 52, 0.55);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  flex: none;
}

.brand:hover {
  color: var(--ink);
}

.brand__logo {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 10px -4px rgba(11, 107, 203, 0.75);
}

.brand__name {
  font-size: 1rem;
}

.brand__tag {
  padding: 2px 6px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav a {
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 550;
  text-decoration: none;
  transition: color 0.15s var(--ease), background-color 0.15s var(--ease);
}

.nav a:hover {
  color: var(--ink);
  background: var(--accent-soft);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 12px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease),
    background-color 0.15s var(--ease);
}

.icon-btn:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--surface-2);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

/* Icônes de thème : on affiche l'une ou l'autre selon le thème actif. */
[data-theme="light"] .icon-moon,
[data-theme="dark"] .icon-sun {
  display: none;
}

.nav-toggle {
  display: none;
}

@media (max-width: 900px) {
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin: 0;
    padding: 14px 20px 22px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease),
      visibility 0.2s var(--ease);
  }

  .nav a {
    padding: 12px 10px;
    font-size: 1rem;
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .header-actions {
    margin-left: auto;
  }

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

  .header-actions .btn--primary {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   6. Héros
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(44px, 6vw, 84px) clamp(56px, 7vw, 96px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto;
  height: 720px;
  background: radial-gradient(
      52% 46% at 20% 8%,
      color-mix(in srgb, var(--accent) 13%, transparent) 0%,
      transparent 100%
    ),
    radial-gradient(
      44% 40% at 88% 22%,
      color-mix(in srgb, var(--amber-light) 13%, transparent) 0%,
      transparent 100%
    );
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.4;
  -webkit-mask-image: radial-gradient(70% 60% at 50% 0%, #000 0%, transparent 78%),
    linear-gradient(to bottom, transparent 0, #000 150px);
  -webkit-mask-composite: source-in;
  mask-image: radial-gradient(70% 60% at 50% 0%, #000 0%, transparent 78%),
    linear-gradient(to bottom, transparent 0, #000 150px);
  mask-composite: intersect;
  pointer-events: none;
}

.hero > .wrap {
  position: relative;
  z-index: 1;
}

.hero__grid {
  display: grid;
  gap: clamp(36px, 5vw, 56px);
  align-items: center;
}

@media (min-width: 980px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
  }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  padding: 6px 13px 6px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-xs);
}

.hero__badge b {
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-size: 0.73rem;
  font-weight: 700;
}

[data-theme="dark"] .hero__badge b {
  color: var(--accent-strong);
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent) 0%, #3d95e8 55%, var(--amber-light) 130%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .lead {
  max-width: 34em;
  font-size: clamp(1.02rem, 0.95rem + 0.35vw, 1.15rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.84rem;
}

.hero__meta li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.hero__meta li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--line-strong);
}

/* Cadre de capture d'écran */
.shot-frame {
  position: relative;
  padding: 7px;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--line));
  border-radius: 18px;
  background: linear-gradient(
    155deg,
    color-mix(in srgb, var(--accent) 16%, transparent),
    transparent 42%,
    color-mix(in srgb, var(--amber-light) 12%, transparent)
  );
  box-shadow: var(--shadow-lg);
}

.shot-frame img {
  width: 100%;
  border: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  border-radius: 12px;
  background: #fff;
}

.shot-frame__glow {
  position: absolute;
  z-index: -1;
  inset: 12% -6% -14% -6%;
  border-radius: 40px;
  background: radial-gradient(
    closest-side,
    color-mix(in srgb, var(--accent) 26%, transparent),
    transparent
  );
  filter: blur(48px);
}

.shot-caption {
  margin: 13px 4px 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   7. Bandeau de confiance
   -------------------------------------------------------------------------- */
.trust {
  padding-block: 22px;
  border-block: 1px solid var(--line);
  background: var(--surface-2);
}

.trust__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.trust__list li {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 550;
  letter-spacing: 0.01em;
}

.trust__list svg {
  width: 17px;
  height: 17px;
  color: var(--accent);
}

@media (max-width: 780px) {
  .trust__list {
    justify-content: center;
    gap: 12px 20px;
  }

  .trust__list li {
    font-size: 0.8rem;
  }
}

/* --------------------------------------------------------------------------
   8. Cartes « atouts »
   -------------------------------------------------------------------------- */
.pillars {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
}

.pillar {
  position: relative;
  padding: 28px 26px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-xs);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.pillar:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 34%, var(--line));
  box-shadow: var(--shadow-md);
}

.pillar__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}

.pillar__icon svg {
  width: 22px;
  height: 22px;
}

.pillar h3 {
  margin-bottom: 8px;
}

.pillar p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.62;
}

/* --------------------------------------------------------------------------
   9. Grille de fonctionnalités
   -------------------------------------------------------------------------- */
.features {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(262px, 1fr));
}

.feature {
  display: flex;
  flex-direction: column;
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease),
    transform 0.18s var(--ease);
}

.feature:hover {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 15px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--line));
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
}

.feature__icon svg {
  width: 19px;
  height: 19px;
}

.feature h3 {
  margin-bottom: 7px;
  font-size: 1.01rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.feature__list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.88rem;
}

.feature__list li {
  position: relative;
  padding-left: 15px;
  line-height: 1.55;
}

.feature__list li + li {
  margin-top: 2px;
}

.feature__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}

/* --------------------------------------------------------------------------
   10. Captures
   -------------------------------------------------------------------------- */
.gallery {
  display: grid;
  gap: 28px;
}

@media (min-width: 860px) {
  .gallery {
    grid-template-columns: 1fr 1fr;
  }

  .gallery__item--wide {
    grid-column: 1 / -1;
  }
}

.gallery__item {
  margin: 0;
}

.gallery__frame {
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.gallery__frame img {
  width: 100%;
  border-radius: 11px;
  background: #fff;
}

.gallery figcaption {
  margin-top: 14px;
  padding-inline: 4px;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.55;
}

.gallery figcaption b {
  display: block;
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 0.94rem;
  font-weight: 650;
}

/* --------------------------------------------------------------------------
   11. Comparatif
   -------------------------------------------------------------------------- */
.table-scroll {
  overflow-x: auto;
  padding-bottom: 4px;
  border-radius: var(--radius);
  -webkit-overflow-scrolling: touch;
}

.table-hint {
  display: none;
  margin: -14px 0 16px;
  color: var(--muted);
  font-size: 0.82rem;
}

@media (max-width: 800px) {
  .table-hint {
    display: block;
  }
}

.cmp {
  width: 100%;
  min-width: 720px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9rem;
}

.cmp th,
.cmp td {
  padding: 13px 14px;
  text-align: center;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.cmp thead th {
  padding-block: 15px;
  background: var(--surface-2);
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.3;
  border-bottom: 1px solid var(--line-strong);
  vertical-align: bottom;
}

.cmp thead th:first-child {
  border-top-left-radius: var(--radius);
  text-align: left;
}

.cmp thead th:last-child {
  border-top-right-radius: var(--radius);
}

.cmp tbody th {
  text-align: left;
  font-weight: 550;
  color: var(--text);
}

.cmp tbody tr:last-child td,
.cmp tbody tr:last-child th {
  border-bottom: 0;
}

.cmp tbody tr:hover td,
.cmp tbody tr:hover th {
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}

.cmp .col-own {
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  color: var(--accent-ink);
  font-weight: 600;
}

[data-theme="dark"] .cmp .col-own {
  color: var(--accent-strong);
}

.cmp thead .col-own {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 9%, transparent);
}

.cmp .yes,
.cmp .no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
}

.cmp .yes {
  background: var(--ok-soft);
  color: var(--ok);
}

.cmp .no {
  background: color-mix(in srgb, var(--muted) 10%, transparent);
  color: var(--muted);
}

.cmp .txt {
  color: var(--muted);
  font-size: 0.84rem;
}

.cmp-note {
  max-width: 820px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.6;
}

/* Sur téléphone, la colonne des intitulés reste visible pendant le défilement. */
@media (max-width: 800px) {
  .cmp tbody th:first-child,
  .cmp thead th:first-child {
    position: sticky;
    left: 0;
    z-index: 1;
    background: var(--surface);
    box-shadow: 1px 0 0 var(--line);
  }

  .cmp thead th:first-child {
    z-index: 2;
    background: var(--surface-2);
  }

  .cmp tbody th:first-child {
    max-width: 148px;
    padding-right: 10px;
    font-size: 0.86rem;
  }
}

/* --------------------------------------------------------------------------
   12. Formats et normes
   -------------------------------------------------------------------------- */
.formats {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.format {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 4px var(--radius-sm) var(--radius-sm) 4px;
  background: var(--surface);
}

.format h3 {
  margin-bottom: 5px;
  font-family: var(--mono, ui-monospace, "Cascadia Code", Consolas, monospace);
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.format p {
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   13. FAQ
   -------------------------------------------------------------------------- */
.faq {
  display: grid;
  gap: 0;
  max-width: 820px;
  margin-inline: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq details:last-child {
  border-bottom: 0;
}

.faq summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 19px 22px;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.008em;
  line-height: 1.45;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.15s var(--ease);
}

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

.faq summary:hover {
  background: var(--surface-2);
}

.faq summary::after {
  content: "";
  flex: none;
  width: 11px;
  height: 11px;
  margin-top: 5px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.faq details[open] summary::after {
  transform: rotate(-135deg);
  border-color: var(--accent);
}

.faq details[open] summary {
  color: var(--accent);
}

.faq .answer {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.68;
}

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

.faq .answer code {
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface-2);
  font-family: var(--mono, ui-monospace, Consolas, monospace);
  font-size: 0.86em;
}

/* --------------------------------------------------------------------------
   14. Appel à l'action final
   -------------------------------------------------------------------------- */
.cta {
  position: relative;
  overflow: hidden;
  padding-block: clamp(52px, 6vw, 76px);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #0a2a4d 0%, #0b4d92 48%, #0b6bcb 100%);
  color: #fff;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
      circle at 18% 18%,
      rgba(255, 255, 255, 0.16),
      transparent 42%
    ),
    radial-gradient(circle at 82% 88%, rgba(245, 158, 11, 0.28), transparent 46%);
  pointer-events: none;
}

.cta__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin-inline: auto;
  padding-inline: 24px;
}

.cta h2 {
  color: #fff;
  margin-bottom: 12px;
}

.cta p {
  margin-bottom: 26px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1rem;
}

.cta .btn--primary {
  background: #fff;
  border-color: #fff;
  color: #0a4b8f;
  box-shadow: 0 14px 30px -14px rgba(0, 0, 0, 0.6);
}

.cta .btn--primary:hover {
  color: #08447f;
  background: #f4f9ff;
}

.cta .btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
  box-shadow: none;
}

.cta .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.cta__note {
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.82rem;
}

/* --------------------------------------------------------------------------
   15. Pied de page
   -------------------------------------------------------------------------- */
.site-footer {
  margin-top: clamp(64px, 8vw, 104px);
  background: var(--footer-bg);
  color: var(--footer-text);
  font-size: 0.9rem;
}

.footer-top {
  display: grid;
  gap: 36px;
  padding-block: clamp(44px, 5vw, 64px);
}

@media (min-width: 760px) {
  .footer-top {
    grid-template-columns: minmax(240px, 1.4fr) repeat(3, minmax(0, 1fr));
  }
}

.footer-brand .brand {
  color: var(--footer-ink);
  margin-bottom: 12px;
}

.footer-brand p {
  max-width: 30ch;
  margin: 0;
  color: var(--footer-text);
  font-size: 0.88rem;
  line-height: 1.6;
}

.footer-col h3 {
  margin: 0 0 12px;
  color: var(--footer-ink);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-col li + li {
  margin-top: 8px;
}

.footer-col a {
  color: var(--footer-text);
  text-decoration: none;
  transition: color 0.15s var(--ease);
}

.footer-col a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: #fff;
}

/* --------------------------------------------------------------------------
   16. Pages secondaires (mentions légales, confidentialité, 404)
   -------------------------------------------------------------------------- */
.page-head {
  padding-block: clamp(40px, 5vw, 64px) 8px;
  border-bottom: 1px solid var(--line);
}

.page-head h1 {
  max-width: 860px;
  font-size: clamp(1.85rem, 1.2rem + 2vw, 2.6rem);
  margin-bottom: 12px;
}

.page-head .lead {
  max-width: 820px;
  margin-bottom: 32px;
}

.prose {
  max-width: 760px;
  padding-block: clamp(36px, 4vw, 56px);
}

.prose h2 {
  margin-top: 2em;
  font-size: 1.3rem;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-top: 1.6em;
  font-size: 1.02rem;
}

.prose p,
.prose li {
  color: var(--text);
  font-size: 0.97rem;
  line-height: 1.72;
}

.prose ul {
  padding-left: 1.15em;
}

.prose li + li {
  margin-top: 0.4em;
}

.prose .muted {
  color: var(--muted);
  font-size: 0.86rem;
}

.todo {
  display: block;
  margin: 6px 0;
  padding: 10px 14px;
  border: 1px dashed var(--amber);
  border-radius: 8px;
  background: var(--amber-soft);
  color: var(--amber);
  font-size: 0.86rem;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   17. Animations d'apparition
   -------------------------------------------------------------------------- */
.js .reveal {
  opacity: 0;
  transform: translateY(16px);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   18. Impression
   -------------------------------------------------------------------------- */
@media print {
  .site-header,
  .nav,
  .header-actions,
  .cta,
  .site-footer {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  .hero::before,
  .hero::after {
    display: none;
  }
}