/* ==========================================================================
   linkavista-backlinks.fr
   Feuille de style unique, ecrite a la main.
   Concept : documentation produit technique, mode clair uniquement.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Variables
   -------------------------------------------------------------------------- */

:root {
  /* Couleurs de fond */
  --bg: #FFFFFF;
  --bg-alt: #F2FBF6;
  --surface: #FFFFFF;
  --surface-sunken: #F7FCF9;

  /* Texte */
  --ink: #0B2E22;
  --ink-soft: #4B6B5E;
  --ink-faint: #7A968A;

  /* Accents */
  --accent: #059669;
  --accent-deep: #065F46;
  --accent-tech: #0891B2;
  --accent-wash: #E7F7EF;
  --accent-wash-2: #DCF3E8;
  --tech-wash: #E4F5FA;

  /* Bordures */
  --line: #D6EDE2;
  --line-strong: #B6DFCC;
  --line-tech: #BEE6F0;

  /* Rayons */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --r-pill: 999px;

  /* Ombres */
  --sh-1: 0 1px 2px rgba(6, 95, 70, 0.06);
  --sh-2: 0 2px 10px rgba(6, 95, 70, 0.07);
  --sh-3: 0 12px 30px rgba(6, 95, 70, 0.10);
  --sh-glow: 0 0 0 3px rgba(5, 150, 105, 0.14);

  /* Espacements */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 88px;

  /* Transitions */
  --t-fast: 160ms cubic-bezier(0.2, 0.6, 0.3, 1);
  --t-base: 260ms cubic-bezier(0.2, 0.6, 0.3, 1);
  --t-slow: 420ms cubic-bezier(0.2, 0.6, 0.3, 1);

  /* Typographie */
  --font-title: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", "Consolas", monospace;

  /* Mesures */
  --wrap: 1180px;
  --wrap-narrow: 820px;
  --header-h: 72px;
}

/* --------------------------------------------------------------------------
   2. Reset moderne
   -------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.97rem + 0.16vw, 1.0625rem);
  line-height: 1.72;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-title);
  color: var(--ink);
  line-height: 1.18;
  margin: 0 0 var(--sp-4);
  letter-spacing: -0.015em;
  font-weight: 600;
}

h1 { font-size: clamp(2rem, 1.4rem + 2.7vw, 3.35rem); font-weight: 700; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.55rem, 1.2rem + 1.5vw, 2.3rem); font-weight: 600; }
h3 { font-size: clamp(1.18rem, 1.05rem + 0.55vw, 1.42rem); font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }

p { margin: 0 0 var(--sp-4); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--accent-deep);
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
  transition: color var(--t-fast), text-decoration-color var(--t-fast);
}

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

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

ul, ol { margin: 0 0 var(--sp-4); padding-left: 1.35em; }
li { margin-bottom: var(--sp-2); }
li:last-child { margin-bottom: 0; }

strong { font-weight: 600; color: var(--ink); }

code, kbd, samp, pre { font-family: var(--font-mono); font-size: 0.9em; }

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--accent-tech);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

::selection {
  background: var(--accent-wash-2);
  color: var(--accent-deep);
}

/* --------------------------------------------------------------------------
   3. Utilitaires de mise en page
   -------------------------------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}

.wrap-narrow {
  max-width: var(--wrap-narrow);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent-deep);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 var(--r-md) 0;
  z-index: 999;
}

.skip-link:focus {
  left: 0;
  color: #fff;
}

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

/* Sections */

.section {
  padding-block: clamp(48px, 6vw, 88px);
  position: relative;
}

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

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-wash);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 5px 14px;
  margin-bottom: var(--sp-4);
}

.section__eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex: 0 0 auto;
}

.section__lead {
  font-size: clamp(1.03rem, 1rem + 0.28vw, 1.16rem);
  color: var(--ink-soft);
  max-width: 76ch;
  margin-bottom: var(--sp-6);
}

/* Separateur a motif de points */

.dotrule {
  height: 14px;
  background-image: radial-gradient(var(--line-strong) 1.4px, transparent 1.5px);
  background-size: 14px 14px;
  background-position: 0 6px;
  opacity: 0.9;
  margin-block: 0;
}

.dotrule--tight { height: 10px; margin-block: var(--sp-5); }

/* --------------------------------------------------------------------------
   4. Barre de progression de lecture
   -------------------------------------------------------------------------- */

.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  z-index: 120;
  background: transparent;
  pointer-events: none;
}

.progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent), var(--accent-tech));
  transition: width 90ms linear;
}

/* --------------------------------------------------------------------------
   5. En tete et navigation
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--t-base), padding var(--t-base);
}

.site-header.is-compact {
  box-shadow: var(--sh-2);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  min-height: var(--header-h);
  transition: min-height var(--t-base);
}

.site-header.is-compact .site-header__inner {
  min-height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.02rem;
  flex: 0 0 auto;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  object-fit: contain;
  background: #fff;
  padding: 2px;
}

.brand__name { display: block; line-height: 1.1; }
.brand__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  display: inline-block;
  padding: 8px 11px;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast);
}

.nav__link:hover,
.nav__link.is-active {
  background: var(--accent-wash);
  color: var(--accent-deep);
}

.nav__link.is-active {
  box-shadow: inset 0 -2px 0 var(--accent);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--surface);
  padding: 0;
}

.nav-toggle__bars {
  position: relative;
  width: 19px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: background var(--t-fast);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 19px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--t-base), top var(--t-base);
}

.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }

/* --------------------------------------------------------------------------
   6. Boutons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 22px;
  border-radius: var(--r-md);
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform var(--t-fast), box-shadow var(--t-base),
              background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent-deep);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.34), var(--sh-2);
}

.btn--primary:hover {
  background: var(--accent-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4), var(--sh-3);
}

.btn--ghost {
  background: var(--surface);
  color: var(--accent-deep);
  border-color: var(--line-strong);
  box-shadow: var(--sh-1);
}

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

.btn--small { padding: 9px 15px; font-size: 0.86rem; }
.btn--wide { width: 100%; }

.btn__arrow {
  display: inline-block;
  transition: transform var(--t-fast);
}

.btn:hover .btn__arrow { transform: translateX(3px); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  align-items: center;
}

/* --------------------------------------------------------------------------
   7. Tags monospace et etiquettes
   -------------------------------------------------------------------------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 3px 9px;
  border-radius: var(--r-xs);
  background: var(--accent-wash);
  color: var(--accent-deep);
  border: 1px solid var(--line);
  white-space: nowrap;
}

.tag--tech {
  background: var(--tech-wash);
  color: #0E7490;
  border-color: var(--line-tech);
}

.tag--solid {
  background: var(--accent-deep);
  color: #fff;
  border-color: var(--accent-deep);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.tag-list li { margin: 0; }

/* --------------------------------------------------------------------------
   8. Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  padding-block: clamp(40px, 5vw, 74px) clamp(40px, 5vw, 70px);
  background:
    radial-gradient(900px 420px at 88% -10%, var(--accent-wash) 0%, transparent 62%),
    linear-gradient(180deg, #FFFFFF 0%, var(--bg-alt) 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 14px;
  background-image: radial-gradient(var(--line-strong) 1.4px, transparent 1.5px);
  background-size: 14px 14px;
  opacity: 0.7;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent-deep);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  padding: 6px 14px;
  margin-bottom: var(--sp-5);
  box-shadow: var(--sh-1);
}

.hero__badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.18);
}

.hero h1 { margin-bottom: var(--sp-4); }

.hero h1 .hl {
  background: linear-gradient(180deg, transparent 62%, var(--accent-wash-2) 62%);
  padding-inline: 2px;
}

.hero__lead {
  font-size: clamp(1.05rem, 1rem + 0.35vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 62ch;
  margin-bottom: var(--sp-5);
}

.hero__figure {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--sh-3);
  background: #fff;
}

.hero__figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero__figcap {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--ink-faint);
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--surface-sunken);
}

/* Signature courte sous le h1 */

.byline {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  margin-bottom: var(--sp-5);
  max-width: 520px;
}

.byline img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-wash-2);
  flex: 0 0 auto;
}

.byline__text { font-size: 0.85rem; line-height: 1.45; color: var(--ink-soft); }
.byline__text b { display: block; color: var(--ink); font-family: var(--font-title); font-size: 0.95rem; }

.byline__rating {
  margin-left: auto;
  text-align: center;
  font-family: var(--font-title);
  flex: 0 0 auto;
  padding-left: 12px;
  border-left: 1px dashed var(--line-strong);
}

.byline__rating b { display: block; font-size: 1.25rem; color: var(--accent-deep); line-height: 1; }
.byline__rating span { font-size: 0.68rem; font-family: var(--font-mono); color: var(--ink-faint); letter-spacing: 0.08em; }

/* --------------------------------------------------------------------------
   9. Chiffres cles et compteurs
   -------------------------------------------------------------------------- */

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 16px 14px;
  box-shadow: var(--sh-1);
  position: relative;
  overflow: hidden;
  transition: border-color var(--t-base), box-shadow var(--t-base), transform var(--t-base);
}

.stat::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-tech));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-slow);
}

.stat.is-visible::before { transform: scaleX(1); }

.stat:hover {
  border-color: var(--accent);
  box-shadow: var(--sh-2);
  transform: translateY(-2px);
}

.stat__value {
  font-family: var(--font-title);
  font-size: clamp(1.5rem, 1.2rem + 1vw, 2.05rem);
  font-weight: 700;
  color: var(--accent-deep);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.stat__label {
  font-size: 0.79rem;
  color: var(--ink-soft);
  margin-top: 4px;
  line-height: 1.35;
}

.stat__src {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--ink-faint);
  margin-top: 6px;
  letter-spacing: 0.02em;
}

.stat-strip--wide { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* --------------------------------------------------------------------------
   10. Cartes generiques
   -------------------------------------------------------------------------- */

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  box-shadow: var(--sh-1);
  transition: border-color var(--t-base), box-shadow var(--t-base), transform var(--t-base);
}

.card:hover {
  border-color: var(--accent);
  box-shadow: var(--sh-2);
}

.grid { display: grid; gap: var(--sp-4); }
.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)); }

/* --------------------------------------------------------------------------
   11. Barre de filtres et cartes de format
   -------------------------------------------------------------------------- */

.filterbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  padding: 14px;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  margin-bottom: var(--sp-5);
  position: relative;
}

.filterbar__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-right: 4px;
}

.filter-btn {
  border: 1px solid var(--line-strong);
  background: var(--surface-sunken);
  color: var(--ink-soft);
  border-radius: var(--r-md);
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-body);
  transition: background var(--t-fast), color var(--t-fast),
              border-color var(--t-fast), transform var(--t-fast);
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
  transform: translateY(-1px);
}

.filter-btn[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent-deep);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.32);
}

.filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-faint);
}

.format-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--sp-4);
  align-items: start;
}

.format-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-1);
  display: flex;
  flex-direction: column;
  transition: border-color var(--t-base), box-shadow var(--t-base),
              transform var(--t-base), opacity var(--t-base);
}

.format-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--sh-3);
  transform: translateY(-3px);
}

.format-card.is-hidden {
  display: none;
}

.format-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: linear-gradient(120deg, var(--accent-deep), var(--accent));
  color: #fff;
}

.format-card__head--tech {
  background: linear-gradient(120deg, #0E7490, var(--accent-tech));
}

.format-card__icon {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: grid;
  place-items: center;
}

.format-card__icon svg { width: 24px; height: 24px; display: block; }

.format-card__title {
  font-family: var(--font-title);
  font-size: 1.08rem;
  font-weight: 600;
  margin: 0;
  color: #fff;
  line-height: 1.2;
}

.format-card__ref {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
  margin-top: 3px;
}

.format-card__body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1 1 auto;
}

.format-card__body > p { margin: 0; font-size: 0.95rem; }

.spec-list {
  margin: 0;
  border-top: 1px dashed var(--line-strong);
  padding-top: 12px;
}

.spec-list dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 10px;
}

.spec-list dt:first-child { margin-top: 0; }

.spec-list dd {
  margin: 3px 0 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.55;
}

.format-card__foot {
  border-top: 1px solid var(--line);
  background: var(--surface-sunken);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.format-card__budget {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-deep);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   12. Blocs de code
   -------------------------------------------------------------------------- */

.codeblock {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--surface-sunken);
  margin: 0 0 var(--sp-4);
}

.codeblock__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 14px;
  background: var(--accent-wash);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.codeblock pre {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.83rem;
  line-height: 1.75;
  color: var(--ink);
  background: transparent;
  tab-size: 2;
}

.codeblock pre .c-attr { color: var(--accent-tech); }
.codeblock pre .c-tag { color: var(--accent-deep); font-weight: 600; }
.codeblock pre .c-val { color: #9A3412; }
.codeblock pre .c-note { color: var(--ink-faint); font-style: italic; }

/* --------------------------------------------------------------------------
   13. Schema SVG inline
   -------------------------------------------------------------------------- */

.schema {
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  box-shadow: var(--sh-1);
}

.schema svg { width: 100%; height: auto; display: block; }

.schema__caption {
  font-size: 0.82rem;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-strong);
}

.draw-path {
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
  transition: stroke-dashoffset 1400ms ease-in-out;
}

.schema.is-visible .draw-path { stroke-dashoffset: 0; }

.fade-in-el {
  opacity: 0;
  transition: opacity 600ms ease 400ms;
}

.schema.is-visible .fade-in-el { opacity: 1; }

/* --------------------------------------------------------------------------
   14. Tableaux
   -------------------------------------------------------------------------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--sh-1);
  margin-bottom: var(--sp-4);
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  font-size: 0.9rem;
}

caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-deep);
  background: var(--accent-wash);
  border-bottom: 1px solid var(--line);
}

thead th {
  background: var(--surface-sunken);
  text-align: left;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--ink);
  padding: 11px 14px;
  border-bottom: 2px solid var(--line-strong);
  white-space: nowrap;
}

tbody th {
  text-align: left;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--ink);
  padding: 11px 14px;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  background: #FCFEFD;
}

tbody td {
  padding: 11px 14px;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}

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

tbody tr:hover th,
tbody tr:hover td { background: var(--accent-wash); }

.table-note {
  font-size: 0.82rem;
  color: var(--ink-faint);
  margin-top: -8px;
  margin-bottom: var(--sp-5);
}

.sortable th[data-sort] {
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-right: 26px;
}

.sortable th[data-sort]::after {
  content: "\2195";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-faint);
  font-size: 0.8rem;
}

.sortable th[aria-sort="ascending"]::after { content: "\2191"; color: var(--accent); }
.sortable th[aria-sort="descending"]::after { content: "\2193"; color: var(--accent); }

.sortable th[data-sort]:hover { background: var(--accent-wash); color: var(--accent-deep); }

/* --------------------------------------------------------------------------
   15. Encadres
   -------------------------------------------------------------------------- */

.callout {
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--accent);
  background: var(--accent-wash);
  border-radius: var(--r-md);
  padding: var(--sp-5);
  margin-bottom: var(--sp-5);
}

.callout--tech {
  border-left-color: var(--accent-tech);
  background: var(--tech-wash);
  border-color: var(--line-tech);
}

.callout--method {
  background: #fff;
  border-left-color: var(--accent-deep);
  box-shadow: var(--sh-1);
}

.callout__title {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 9px;
}

.callout__title::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--accent);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.callout--tech .callout__title::before { background: var(--accent-tech); }

/* Liste numerotee en etapes */

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--sp-3);
}

.steps > li {
  counter-increment: step;
  position: relative;
  padding: 16px 18px 16px 62px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  margin: 0;
  box-shadow: var(--sh-1);
  transition: border-color var(--t-base), transform var(--t-base);
}

.steps > li:hover { border-color: var(--accent); transform: translateX(3px); }

.steps > li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-wash);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  width: 32px;
  height: 28px;
  display: grid;
  place-items: center;
}

.steps b { font-family: var(--font-title); }

/* Criteres numerotes */

.criteria {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.criterion {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 18px;
  box-shadow: var(--sh-1);
  transition: border-color var(--t-base), box-shadow var(--t-base), transform var(--t-base);
}

.criterion:hover {
  border-color: var(--accent);
  box-shadow: var(--sh-2);
  transform: translateY(-2px);
}

.criterion__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--accent-tech);
  display: block;
  margin-bottom: 6px;
}

.criterion h3 { font-size: 1.06rem; margin-bottom: 8px; }
.criterion p { font-size: 0.93rem; color: var(--ink-soft); margin-bottom: 10px; }

/* --------------------------------------------------------------------------
   16. Checklist interactive
   -------------------------------------------------------------------------- */

.checklist {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--sp-4);
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.checklist li { margin: 0; }

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 12px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  cursor: pointer;
  font-size: 0.92rem;
  line-height: 1.5;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.check-item:hover { border-color: var(--accent); background: var(--accent-wash); }

.check-item input {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  margin-top: 2px;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--r-xs);
  background: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast);
}

.check-item input::after {
  content: "";
  width: 10px;
  height: 6px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) scale(0);
  transition: transform var(--t-fast);
}

.check-item input:checked {
  background: var(--accent);
  border-color: var(--accent-deep);
}

.check-item input:checked::after { transform: rotate(-45deg) scale(1); }

.check-item input:checked ~ span { color: var(--ink-faint); text-decoration: line-through; }

.check-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--surface-sunken);
  margin-bottom: var(--sp-4);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-deep);
}

.check-progress__track {
  flex: 1 1 auto;
  height: 8px;
  border-radius: var(--r-pill);
  background: var(--accent-wash-2);
  overflow: hidden;
}

.check-progress__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-tech));
  transition: width var(--t-base);
}

/* --------------------------------------------------------------------------
   17. Erreurs a eviter
   -------------------------------------------------------------------------- */

.mistake {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  box-shadow: var(--sh-1);
  transition: border-color var(--t-base), transform var(--t-base);
}

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

.mistake__mark {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background: #FEF2F2;
  border: 1px solid #FCA5A5;
  color: #B91C1C;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
}

.mistake h3 { font-size: 1rem; margin-bottom: 6px; }
.mistake p { font-size: 0.92rem; margin-bottom: 8px; color: var(--ink-soft); }

.mistake__fix {
  font-size: 0.9rem;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  background: var(--accent-wash);
  border: 1px solid var(--line);
  color: var(--accent-deep);
}

.mistake__fix b { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* --------------------------------------------------------------------------
   18. Glossaire
   -------------------------------------------------------------------------- */

.glossary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3);
  margin: 0;
}

.glossary__item {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-tech);
  border-radius: var(--r-md);
  padding: 14px 16px;
  transition: border-color var(--t-base), transform var(--t-base);
}

.glossary__item:hover { border-color: var(--accent); border-left-color: var(--accent); transform: translateX(3px); }

.glossary__item dt {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 5px;
}

.glossary__item dd {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   19. FAQ
   -------------------------------------------------------------------------- */

.faq { display: grid; gap: 10px; }

.faq__item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  overflow: hidden;
  transition: border-color var(--t-base), box-shadow var(--t-base);
}

.faq__item.is-open {
  border-color: var(--accent);
  box-shadow: var(--sh-2);
}

.faq__q {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  text-align: left;
  background: none;
  border: 0;
  padding: 16px 18px;
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  transition: background var(--t-fast), color var(--t-fast);
}

.faq__q:hover { background: var(--accent-wash); color: var(--accent-deep); }

.faq__sign {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-strong);
  background: var(--surface-sunken);
  position: relative;
  transition: background var(--t-fast), transform var(--t-base);
}

.faq__sign::before,
.faq__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--accent-deep);
  border-radius: 1px;
  transform: translate(-50%, -50%);
  transition: transform var(--t-base), opacity var(--t-fast);
}

.faq__sign::before { width: 11px; height: 2px; }
.faq__sign::after { width: 2px; height: 11px; }

.faq__item.is-open .faq__sign { background: var(--accent); border-color: var(--accent-deep); }
.faq__item.is-open .faq__sign::before { background: #fff; }
.faq__item.is-open .faq__sign::after { transform: translate(-50%, -50%) scaleY(0); opacity: 0; }

.faq__a {
  overflow: hidden;
  height: 0;
  transition: height var(--t-base);
}

.faq__a-inner {
  padding: 0 18px 18px;
  font-size: 0.95rem;
  color: var(--ink-soft);
  border-top: 1px dashed var(--line-strong);
  padding-top: 14px;
  margin-top: 0;
}

/* --------------------------------------------------------------------------
   20. Onglets
   -------------------------------------------------------------------------- */

.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 2px solid var(--line);
  margin-bottom: var(--sp-5);
  padding: 0;
}

.tabs__btn {
  border: 1px solid transparent;
  border-bottom: 0;
  background: none;
  padding: 11px 16px;
  border-radius: var(--r-md) var(--r-md) 0 0;
  font-family: var(--font-title);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  bottom: -2px;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.tabs__btn:hover { background: var(--accent-wash); color: var(--accent-deep); }

.tabs__btn[aria-selected="true"] {
  background: #fff;
  color: var(--accent-deep);
  border-color: var(--line-strong);
  border-bottom: 2px solid #fff;
}

.tabs__panel[hidden] { display: none; }

/* --------------------------------------------------------------------------
   21. Plan 90 jours
   -------------------------------------------------------------------------- */

.phase-list { display: grid; gap: var(--sp-3); }

.phase {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: var(--sp-4);
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  box-shadow: var(--sh-1);
}

.phase__when {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-deep);
  background: var(--accent-wash);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 8px 10px;
  height: fit-content;
  text-align: center;
  letter-spacing: 0.04em;
}

.phase h3 { font-size: 1.02rem; margin-bottom: 6px; }
.phase p { font-size: 0.92rem; margin-bottom: 0; color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   22. Profils
   -------------------------------------------------------------------------- */

.profile {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 20px;
  box-shadow: var(--sh-1);
  border-top: 4px solid var(--accent);
  transition: transform var(--t-base), box-shadow var(--t-base);
}

.profile:hover { transform: translateY(-3px); box-shadow: var(--sh-2); }

.profile--tech { border-top-color: var(--accent-tech); }
.profile--deep { border-top-color: var(--accent-deep); }

.profile h3 { font-size: 1.08rem; margin-bottom: 4px; }

.profile__fit {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
  display: block;
}

.profile ul { padding-left: 1.1em; font-size: 0.91rem; color: var(--ink-soft); margin-bottom: 0; }

/* --------------------------------------------------------------------------
   23. Illustrations dans le corps
   -------------------------------------------------------------------------- */

.figure {
  margin: 0 0 var(--sp-5);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--sh-1);
}

.figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.figure figcaption {
  padding: 11px 15px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--ink-faint);
  background: var(--surface-sunken);
  border-top: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 3vw, 44px);
  align-items: center;
}

/* --------------------------------------------------------------------------
   24. Sources
   -------------------------------------------------------------------------- */

.sources {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.sources li {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  font-size: 0.92rem;
  margin: 0;
}

.sources__kind {
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent-tech);
  padding-top: 2px;
}

/* --------------------------------------------------------------------------
   25. Bloc auteur
   -------------------------------------------------------------------------- */

.author {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-xl);
  padding: clamp(22px, 3vw, 34px);
  box-shadow: var(--sh-2);
}

.author__photo {
  width: 100%;
  max-width: 180px;
  aspect-ratio: 1;
  border-radius: var(--r-xl);
  object-fit: cover;
  border: 3px solid var(--accent-wash-2);
}

.author__name { font-size: 1.5rem; margin-bottom: 2px; }

.author__role {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.author__links {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}

.author__links li { margin: 0; }

.author__links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--surface-sunken);
  font-size: 0.86rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--accent-deep);
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}

.author__links a:hover {
  background: var(--accent-wash);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.author__updated {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-faint);
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
}

/* --------------------------------------------------------------------------
   26. CTA final
   -------------------------------------------------------------------------- */

.cta-final {
  background: linear-gradient(135deg, var(--accent-deep) 0%, #047857 55%, var(--accent) 100%);
  color: #fff;
  border-radius: var(--r-xl);
  padding: clamp(28px, 4vw, 52px);
  position: relative;
  overflow: hidden;
  box-shadow: var(--sh-3);
}

.cta-final::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.16) 1.4px, transparent 1.5px);
  background-size: 16px 16px;
  opacity: 0.7;
  pointer-events: none;
}

.cta-final > * { position: relative; }

.cta-final h2 { color: #fff; margin-bottom: 12px; }
.cta-final p { color: rgba(255, 255, 255, 0.9); max-width: 66ch; }

.cta-final .btn--primary {
  background: #fff;
  color: var(--accent-deep);
  border-color: rgba(255, 255, 255, 0.6);
  box-shadow: inset 0 0 0 1px rgba(6, 95, 70, 0.12), var(--sh-2);
}

.cta-final .btn--primary:hover {
  background: var(--accent-wash);
  color: var(--accent-deep);
}

.cta-final .btn--ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}

.cta-final .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border-color: #fff;
}

.cta-final__note {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.78);
  margin-top: 16px;
}

/* Bandeau CTA intermediaire */

.cta-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: 20px 24px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: var(--accent-wash);
  box-shadow: var(--sh-1);
  margin-block: var(--sp-5);
}

.cta-inline p { margin: 0; font-size: 0.95rem; max-width: 62ch; }
.cta-inline b { font-family: var(--font-title); }

/* --------------------------------------------------------------------------
   27. Pied de page
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--line-strong);
  padding-block: clamp(40px, 5vw, 64px) var(--sp-6);
  margin-top: clamp(48px, 6vw, 80px);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 3vw, 44px);
  margin-bottom: var(--sp-6);
}

.footer-title {
  font-family: var(--font-title);
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--ink);
}

.site-footer p { font-size: 0.9rem; color: var(--ink-soft); }

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 7px;
}

.footer-links li { margin: 0; }

.footer-links a {
  font-size: 0.89rem;
  color: var(--ink-soft);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 3px 0;
  transition: color var(--t-fast), transform var(--t-fast);
}

.footer-links a::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 1px;
  background: var(--accent);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.footer-links a:hover { color: var(--accent-deep); transform: translateX(3px); }

.footer-bottom {
  border-top: 1px dashed var(--line-strong);
  padding-top: var(--sp-5);
  display: grid;
  gap: 10px;
  font-size: 0.83rem;
  color: var(--ink-faint);
}

.footer-bottom p { font-size: 0.83rem; color: var(--ink-faint); margin: 0; }

.footer-disclosure {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 13px 16px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   28. Retour en haut
   -------------------------------------------------------------------------- */

.to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 46px;
  height: 46px;
  border-radius: var(--r-md);
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent-deep);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.3), var(--sh-3);
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base), background var(--t-fast);
  z-index: 90;
}

.to-top.is-shown { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--accent-deep); }
.to-top svg { width: 20px; height: 20px; }

/* --------------------------------------------------------------------------
   29. Reveal au scroll
   -------------------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms cubic-bezier(0.2, 0.6, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.no-js .reveal { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   30. Page 404
   -------------------------------------------------------------------------- */

.error-page {
  min-height: 72vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding-block: var(--sp-8);
  background:
    radial-gradient(700px 350px at 50% 0%, var(--accent-wash) 0%, transparent 65%),
    var(--bg);
}

.error-code {
  font-family: var(--font-mono);
  font-size: clamp(3.5rem, 3rem + 6vw, 7rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.04em;
}

.error-page p { max-width: 56ch; margin-inline: auto; color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   31. Points de rupture
   -------------------------------------------------------------------------- */

@media (max-width: 1200px) {
  :root { --wrap: 1060px; }
  .nav__link { padding: 8px 9px; font-size: 0.83rem; }
  .author { grid-template-columns: 150px minmax(0, 1fr); }
}

@media (max-width: 980px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__figure { order: -1; }
  .split { grid-template-columns: minmax(0, 1fr); }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .criteria { grid-template-columns: minmax(0, 1fr); }

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

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: #fff;
    border-bottom: 1px solid var(--line-strong);
    box-shadow: var(--sh-3);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--sp-4) var(--sp-5) var(--sp-5);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height var(--t-base), opacity var(--t-base), visibility var(--t-base);
  }

  .nav.is-open {
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: 100%;
  }

  .nav__link {
    display: block;
    padding: 12px 14px;
    font-size: 0.98rem;
    border-radius: var(--r-md);
    border: 1px solid transparent;
  }

  .nav__link.is-active { box-shadow: none; border-color: var(--line-strong); }

  .nav .btn { margin-top: var(--sp-3); width: 100%; }
}

@media (max-width: 760px) {
  :root { --header-h: 64px; }

  .stat-strip,
  .stat-strip--wide { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); }
  .glossary { grid-template-columns: minmax(0, 1fr); }
  .checklist { grid-template-columns: minmax(0, 1fr); }
  .format-grid { grid-template-columns: minmax(0, 1fr); }

  .author {
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
    text-align: center;
  }

  .author__photo { max-width: 140px; }
  .author__links { justify-content: center; }
  .author__updated { text-align: center; }

  .phase { grid-template-columns: minmax(0, 1fr); }
  .phase__when { text-align: left; width: fit-content; }

  .sources li { grid-template-columns: minmax(0, 1fr); gap: 4px; }

  .footer-grid { grid-template-columns: minmax(0, 1fr); }

  .byline { flex-wrap: wrap; }
  .byline__rating { margin-left: 0; border-left: 0; padding-left: 0; }

  .cta-inline { flex-direction: column; align-items: flex-start; }

  .brand__tag { display: none; }
}

@media (max-width: 520px) {
  .wrap { padding-inline: var(--sp-4); }
  .section { padding-block: 40px; }
  .btn { width: 100%; }
  .btn--small { width: auto; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .stat-strip, .stat-strip--wide { grid-template-columns: minmax(0, 1fr); }
  .filterbar { padding: 12px; }
  .filter-btn { flex: 1 1 auto; }
  .filter-count { margin-left: 0; width: 100%; }
  .mistake { grid-template-columns: minmax(0, 1fr); }
  .to-top { right: 12px; bottom: 12px; }
  .tabs__btn { flex: 1 1 auto; text-align: center; }
}

/* --------------------------------------------------------------------------
   32. Mouvement reduit
   -------------------------------------------------------------------------- */

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal { opacity: 1; transform: none; }
  .draw-path { stroke-dashoffset: 0; }
  .fade-in-el { opacity: 1; }
  .btn:hover, .card:hover, .stat:hover, .criterion:hover,
  .profile:hover, .mistake:hover, .steps > li:hover { transform: none; }
}

/* --------------------------------------------------------------------------
   33. Impression
   -------------------------------------------------------------------------- */

@media print {
  .site-header,
  .to-top,
  .progress,
  .filterbar,
  .cta-inline,
  .cta-final,
  .nav-toggle { display: none !important; }

  body { font-size: 11pt; color: #000; background: #fff; }

  .section { padding-block: 12pt; break-inside: avoid; }
  .format-card, .card, .criterion, .faq__item { break-inside: avoid; border-color: #999; }
  .faq__a { height: auto !important; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 8pt; color: #444; }
  .hero { background: #fff; }
  .table-wrap { overflow: visible; border-color: #999; }
  table { min-width: 0; }
}