:root {
  --cream: #FBF7F0;
  --cream-2: #F2EBDD;
  --ink: #14131A;
  --ink-2: #4A4640;
  --ink-3: #736D63;
  --blue: #2D6BFF;
  --blue-soft: #E7EEFF;
  --eclair: #A8F048;
  --eclair-glow: #C9F87A;
  --rose: #FF3E6C;
  --line: rgba(20, 19, 26, 0.10);
  --radius-lg: 32px;
  --radius-md: 20px;
  --radius-sm: 12px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: ui-rounded, -apple-system, "SF Pro Rounded", "Helvetica Neue", sans-serif;
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 40px 24px 80px;
  display: flex;
  flex-direction: column;
  gap: 72px;
}

/* --- Barre du haut --- */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.marque {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.marque:hover { text-decoration: none; }

.marque img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: block;
}

.nav {
  display: flex;
  gap: 22px;
  font-size: 15px;
  font-weight: 600;
}

.nav a { color: var(--ink-2); }
.nav a:hover { color: var(--ink); }

/* --- Hero --- */

.hero {
  position: relative;
  padding: 40px 0 20px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: 48px;
}

.hero-texte h1 {
  font-size: clamp(46px, 7vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 900;
  margin: 0 0 22px;
  text-wrap: balance;
}

.hero-texte h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--eclair) 0%, var(--eclair-glow) 100%);
  padding: 0 8px 4px;
  border-radius: 8px;
  color: var(--ink);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.hero-texte p {
  font-size: 20px;
  color: var(--ink-2);
  max-width: 40ch;
  margin: 0 0 28px;
}

.hero-visuel {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--cream-2), #E9DEC8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.hero-visuel::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto auto;
  width: 90%;
  aspect-ratio: 1;
  background: radial-gradient(circle, var(--eclair) 0%, transparent 60%);
  opacity: 0.35;
  pointer-events: none;
}

.hero-visuel img {
  position: relative;
  width: 78%;
  border-radius: 22%;
  box-shadow: 0 30px 60px rgba(20, 19, 26, 0.28);
  transition: transform 300ms ease;
}

.hero-visuel img:hover { transform: translateY(-6px) rotate(-2deg); }

/* --- Boutons --- */

.bouton {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 26px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 17px;
  background: var(--ink);
  color: var(--cream);
  border: none;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.bouton:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(20, 19, 26, 0.25);
  text-decoration: none;
}

.bouton.doux {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--line);
}

.bouton.doux:hover {
  background: var(--cream-2);
  box-shadow: none;
}

.bouton .puce {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--eclair);
  color: var(--ink);
  font-weight: 900;
  letter-spacing: 0.05em;
}

/* --- Sections --- */

.section {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.section > h2 {
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
  font-weight: 900;
  text-wrap: balance;
  max-width: 20ch;
}

.section .accroche {
  font-size: 18px;
  color: var(--ink-2);
  max-width: 62ch;
  margin: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--blue);
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
}

/* --- Grilles de cartes --- */

.etapes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.etape {
  background: var(--cream-2);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
}

.etape .rang {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  text-transform: uppercase;
}

.etape h3 {
  font-size: 24px;
  line-height: 1.2;
  margin: 0;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.etape p {
  margin: 0;
  color: var(--ink-2);
  font-size: 16px;
}

.usages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.usage {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  text-align: center;
  font-weight: 700;
  font-size: 16px;
}

.usage .grand {
  display: block;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  color: var(--blue);
}

/* --- Cartes texte --- */

.carte {
  background: var(--cream-2);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.carte h3 {
  font-size: 22px;
  margin: 0;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.carte p {
  margin: 0;
  color: var(--ink-2);
}

.carte.ombre {
  background: linear-gradient(135deg, var(--ink) 0%, #2A2530 100%);
  color: var(--cream);
}

.carte.ombre h3 { color: var(--cream); }
.carte.ombre p { color: rgba(251, 247, 240, 0.78); }

/* --- Longue prose (support, confidentialité) --- */

.prose {
  max-width: 68ch;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.prose h2 {
  margin: 32px 0 0;
  font-size: 28px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.prose h3 {
  margin: 18px 0 0;
  font-size: 20px;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.prose p, .prose li {
  color: var(--ink-2);
  font-size: 17px;
}

.prose ul {
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.prose strong { color: var(--ink); font-weight: 800; }

/* --- Cadre FAQ --- */

.faq { display: flex; flex-direction: column; gap: 4px; }

details {
  background: var(--cream-2);
  border-radius: var(--radius-md);
  padding: 18px 22px;
}

details[open] { background: #EEE6D3; }

summary {
  font-weight: 800;
  font-size: 17px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

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

summary::after {
  content: "+";
  font-size: 22px;
  color: var(--ink-3);
  transition: transform 200ms ease;
}

details[open] summary::after { transform: rotate(45deg); }

details p {
  margin: 12px 0 0;
  color: var(--ink-2);
  font-size: 16px;
}

/* --- Partage --- */

.partage-boutons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* --- Pied de page --- */

.pied {
  border-top: 1px solid var(--line);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--ink-3);
  font-size: 14px;
}

.pied a { color: var(--ink-2); font-weight: 600; }
.pied .liens { display: flex; gap: 18px; flex-wrap: wrap; }

/* --- Responsive --- */

@media (max-width: 780px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 20px;
  }
  .hero-visuel { max-width: 340px; margin: 0 auto; }
  .etapes { grid-template-columns: 1fr; }
  .usages { grid-template-columns: repeat(2, 1fr); }
  .page { gap: 56px; padding: 24px 20px 60px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}