*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 500; /* texte courant : un cran plus affirmé (400 à l'origine) */
  font-size: var(--fs-md);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
/* Grain fixe (non animé) : la texture de la référence sans distraction */
body::after {
  content: ''; position: fixed; inset: 0; z-index: 80; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.02 0 0 0 0 0.12 0 0 0 0 0.32 0 0 0 .8 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.05;
  mix-blend-mode: multiply;
}
img, svg, canvas { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
fieldset { border: 0; padding: 0; min-width: 0; }
::selection { background: var(--red); color: var(--on-red); }
:focus-visible { outline: 2px solid var(--pink); outline-offset: 3px; border-radius: 4px; }

.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; background: var(--ink); color: var(--on-ink); padding: 0.6rem 1rem; border-radius: var(--r-pill); transition: top var(--t-micro); }
.skip-link:focus { top: 1rem; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

section { position: relative; }

/* ---------- En-têtes de section ---------- */
.section-head {
  max-width: var(--maxw); margin: 0 auto clamp(2.5rem, 2rem + 3vw, 5rem);
  padding: 0 var(--gutter);
  display: grid; gap: 1rem 3rem; align-items: end;
}
/* Hiérarchie commune : petit titre → grand titre → description, sur un seul axe vertical */
.section-head { grid-template-columns: minmax(0, 1fr); row-gap: clamp(1rem, 0.6rem + 1.2vw, 1.75rem); }
.section-head__lede { color: var(--ink-2); font-size: var(--fs-lg); max-width: none; text-wrap: balance; margin-left: -0.06em; /* approche de la police à chasse fixe */ }
/* Les grandes capitales ont un espace intégré à gauche (~0,125 em) : on le compense pour rester sur l'axe du petit titre */
.section-head .lava-title, .contact__title { margin-left: -0.125em; }
.why__headline { margin-left: -0.045em; }

.kicker {
  display: inline-flex; align-items: center; gap: 0.75em;
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted);
}
/* Filet orange, comme le trait sous les coordonnées au verso de la carte */
.kicker::before { content: ''; width: 22px; height: 1px; background: var(--orange); }

.display {
  font-family: var(--font-display); letter-spacing: var(--display-track);
  font-weight: var(--display-weight);
  text-transform: uppercase;
  line-height: 1;
}
.lava-text { background: var(--lava); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Grand titre de section : lave pleine, sans animation de remplissage */
.lava-title {
  font-family: var(--font-display); letter-spacing: var(--display-track);
  font-weight: var(--display-weight);
  font-size: var(--fs-mega);
  line-height: 0.95;
  text-transform: uppercase;
  background: var(--lava-v);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  padding-top: 0.04em;
  overflow-wrap: anywhere;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6em;
  min-height: 48px; padding: 0.8em 1.5em;
  border-radius: var(--r-pill);
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  transition: transform var(--t-micro) var(--ease), background-color var(--t-micro), border-color var(--t-micro), color var(--t-micro), box-shadow var(--t-ui) var(--ease);
}
.btn:active { transform: scale(0.98); }
.btn--lava { background: var(--red); color: var(--on-red); }
.btn--lava:hover { background: var(--orange-hover); }
.btn--light { background: var(--ink); color: var(--on-ink); }
.btn--light:hover { background: var(--blue-2); }
.btn--glass { background: color-mix(in srgb, var(--bg) 60%, transparent); color: var(--ink); border: 1px solid var(--line-strong); }
.btn--glass:hover { border-color: var(--ink-2); }
.btn--line { border: 1px solid var(--line-strong); color: var(--ink); }
.btn--line:hover { border-color: var(--orange); color: var(--orange-text); }
.btn[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }

/* ---------- Placeholders ---------- */
.placeholder { color: var(--muted); }
.placeholder-tag {
  display: inline-block; vertical-align: middle;
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--orange-text); border: 1px dashed color-mix(in srgb, var(--orange) 55%, transparent); border-radius: var(--r-pill); padding: 0.2em 0.75em;
}

/* ---------- Apparitions : une seule fois, courtes ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity var(--t-enter) var(--ease), transform var(--t-enter) var(--ease); transition-delay: var(--d, 0ms); }
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js .lava-title[data-reveal] { transform: none; clip-path: inset(0 0 100% 0); opacity: 1; transition: clip-path 900ms var(--ease-io); }
.js .lava-title[data-reveal].is-in { clip-path: inset(-10% 0 -10% 0); }


@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; transition-delay: 0s !important; }
  .js [data-reveal], .js .lava-title[data-reveal] { opacity: 1; transform: none; clip-path: none; }
}