/* =========================================================
   Apex IT Advisory — Système visuel partagé
   Esthétique : éditoriale, premium, minimaliste.
   Jade marbré · ancrage anthracite · crème chaud · laiton.
   ========================================================= */

:root {
  /* Palette de référence */
  --anthracite: #0F2A25;
  --anthracite-deep: #0A1F1B;
  --jade: #1F6B58;
  --jade-deep: #18564A;
  --jade-light: #7CBCAA;
  --foam: #AAD8CB;
  --cream: #F6F3EC;
  --cream-warm: #EFEADD;
  --brass: #B08D57;
  --brass-soft: #C6A878;

  /* Texte */
  --ink: #14302A;          /* texte sur crème */
  --ink-soft: #4A5C56;     /* secondaire sur crème */
  --on-dark: #EDF3EF;      /* texte sur jade/anthracite */
  --on-dark-soft: #A9C4BA; /* secondaire sur foncé */

  --serif: 'Clash Display', 'Hanken Grotesk', system-ui, sans-serif;
  --serif-italic: 'Fraunces', Georgia, serif;
  --sans: 'Hanken Grotesk', system-ui, -apple-system, sans-serif;

  --maxw: 1200px;
  --gutter: clamp(22px, 5vw, 64px);

  --r-sm: 4px;
  --r-md: 10px;
  --r-lg: 18px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--cream);
  color: var(--ink);
  font-size: 18px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 540;
  font-optical-sizing: auto;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }

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

/* ---------- Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(72px, 10vw, 132px); }

/* Étiquette œil-de-bœuf (eyebrow) */
.eyebrow {
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--brass);
  opacity: 0.8;
}
.eyebrow.on-dark { color: var(--brass-soft); }

/* ---------- Boutons ---------- */
.btn {
  --bg: var(--jade);
  --fg: #fff;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 17px 26px;
  border-radius: 999px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .35s var(--ease), background .3s var(--ease),
              box-shadow .35s var(--ease), border-color .3s var(--ease);
  will-change: transform;
}
.btn .arrow { transition: transform .35s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn:hover { transform: translateY(-2px); }

.btn--jade { --bg: var(--jade); --fg: #fff; box-shadow: 0 12px 30px -14px rgba(31,107,88,.7); }
.btn--jade:hover { --bg: var(--jade-deep); box-shadow: 0 16px 36px -14px rgba(31,107,88,.85); }

.btn--cream { --bg: var(--cream); --fg: var(--anthracite); box-shadow: 0 14px 34px -16px rgba(0,0,0,.55); }
.btn--cream:hover { --bg: #fff; }

.btn--ghost {
  --bg: transparent; --fg: var(--on-dark);
  border-color: rgba(170,216,203,.42);
}
.btn--ghost:hover { --bg: rgba(170,216,203,.08); border-color: rgba(170,216,203,.7); transform: translateY(-2px); }

.btn--ghost-dark {
  --bg: transparent; --fg: var(--ink);
  border-color: rgba(20,48,42,.22);
}
.btn--ghost-dark:hover { --bg: rgba(20,48,42,.04); border-color: rgba(20,48,42,.4); }

/* Lien fléché discret */
.link-arrow {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--jade);
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.link-arrow .arrow { transition: transform .35s var(--ease); }
.link-arrow:hover .arrow { transform: translateX(5px); }

/* Filet laiton */
.hairline { height: 1px; background: linear-gradient(90deg, transparent, var(--brass), transparent); opacity: .55; border: 0; }

/* ====================================================
   MARBRE JADE — fond pierre généré (CSS + SVG veines)
   ==================================================== */
.marble {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(120% 90% at 16% 6%, #1f6856 0%, transparent 52%),
    radial-gradient(130% 120% at 90% 14%, #0d342b 0%, transparent 58%),
    radial-gradient(160% 130% at 72% 112%, #07201a 0%, transparent 55%),
    linear-gradient(150deg, #155446 0%, #0e3a30 50%, #0a2a23 100%);
  color: var(--on-dark);
  overflow: hidden;
}
/* couche veines (svg posé en plein cadre) */
.marble > .veins {
  position: absolute;
  inset: -8%;
  width: 116%;
  height: 116%;
  z-index: -1;
  pointer-events: none;
}
.marble > .veins.fine { mix-blend-mode: screen; opacity: .4; }
.marble > .veins.broad { mix-blend-mode: screen; opacity: .2; }
/* voile sombre + grain léger pour la profondeur */
.marble::after {
  content: "";
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(140% 100% at 50% -10%, rgba(124,188,170,.10), transparent 45%),
    radial-gradient(120% 120% at 50% 120%, rgba(5,18,15,.55), transparent 55%);
}

/* ====================================================
   MARBRE JADE CLAIR — pierre lumineuse, texte sombre
   ==================================================== */
.marble-light {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--ink);
  background:
    radial-gradient(72% 58% at 50% 2%,  #f6fbf8 0%, rgba(246,251,248,0) 60%),
    radial-gradient(110% 95% at 50% 122%, #a4d3c4 0%, rgba(164,211,196,0) 62%),
    linear-gradient(180deg, #e4f2eb 0%, #cce7dc 56%, #bfe0d4 100%);
}
.marble-light > .veins {
  position: absolute; inset: -22%; width: 144%; height: 144%;
  z-index: -1; pointer-events: none;
}
.marble-light > .veins.mottle { mix-blend-mode: soft-light; opacity: .4; }
.marble-light > .veins.draw   { opacity: .85; }

/* Book-match : on n'affiche que la moitié GAUCHE de la texture,
   puis on la reflète à droite → symétrie parfaite, aucune couture. */
.marble-mirror {
  position: absolute; inset: 0; z-index: -1;
  display: flex; pointer-events: none;
}
.marble-mirror .mhalf { position: relative; width: 50%; height: 100%; overflow: hidden; }
.marble-mirror .mhalf--r { transform: scaleX(-1); }
.marble-mirror .mhalf > svg {
  position: absolute; top: 0; left: 0; height: 100%; width: 200%;
}
.marble-mirror .mottle { mix-blend-mode: soft-light; opacity: .4; }
.marble-mirror .draw   { opacity: .85; }
/* halo lumineux haut + léger ancrage bas */
.marble-light::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(120% 80% at 42% -8%, rgba(255,255,255,.5), transparent 52%),
    radial-gradient(120% 120% at 50% 128%, rgba(31,107,88,.16), transparent 58%);
}

/* ---------- Réutilisable : carte ---------- */
.card {
  background: #fff;
  border: 1px solid rgba(20,48,42,.09);
  border-radius: var(--r-lg);
  padding: 34px 32px 30px;
  position: relative;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 28px 56px -30px rgba(15,42,37,.4);
  border-color: rgba(176,141,87,.45);
}

/* ---------- Reveal ----------
   Le moteur de prévisualisation gèle les animations/transitions :
   le contenu doit donc être visible sans dépendre du temps. */
.reveal { opacity: 1; transform: none; }