/* =========================================================================
   AEG — Design tokens & base (agence, thème sombre premium noir + orange)
   Utilisé uniquement par le site principal (index.html).
   Les sous-sites sont 100% autonomes.
   ========================================================================= */

:root {
  /* Palette */
  --bg:        #08080a;
  --bg-2:      #0c0c10;
  --elev:      #121218;
  --surface:   #16161d;
  --surface-2: #1c1c25;
  --line:      rgba(255, 255, 255, .08);
  --line-2:    rgba(255, 255, 255, .14);

  --text:      #f5f2ec;
  --muted:     #b1aca2;
  --muted-2:   #7d786f;

  --accent:      #ff6a1a;
  --accent-2:    #ff9445;
  --accent-3:    #ffc06b;
  --accent-ink:  #1a0d02;
  --glow:        rgba(255, 106, 26, .45);
  --glow-soft:   rgba(255, 106, 26, .18);

  /* Typo */
  --font-display: "Space Grotesk", "SF Pro Display", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:    "Space Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Rythme */
  --container: 1200px;
  --radius:    18px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --ease:      cubic-bezier(.22, 1, .36, 1);
  --ease-out:  cubic-bezier(.16, 1, .3, 1);

  --shadow:    0 30px 80px -30px rgba(0, 0, 0, .8);
  --shadow-accent: 0 20px 60px -20px var(--glow);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Fond ambiant discret */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 15% -5%, rgba(255,106,26,.10), transparent 60%),
    radial-gradient(50% 40% at 100% 0%, rgba(255,148,69,.06), transparent 55%),
    var(--bg);
}
/* Grain / vignette */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(120% 120% at 50% 30%, transparent 55%, rgba(0,0,0,.55));
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
::selection { background: var(--accent); color: var(--accent-ink); }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.05; letter-spacing: -.02em; }

/* Layout */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(20px, 5vw, 48px); }
.section { padding-block: clamp(80px, 12vw, 160px); position: relative; }

/* Kicker / eyebrow */
.kicker {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: .6em;
}
.kicker::before { content: ""; width: 26px; height: 1px; background: var(--accent); opacity: .7; }

.gradient-text {
  background: linear-gradient(100deg, var(--accent-3), var(--accent) 55%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* Boutons */
.btn {
  display: inline-flex; align-items: center; gap: .6em;
  padding: .95em 1.5em;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .01em;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), background .3s, color .3s, border-color .3s;
  will-change: transform;
}
.btn svg { transition: transform .4s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary { background: linear-gradient(100deg, var(--accent), var(--accent-2)); color: var(--accent-ink); box-shadow: var(--shadow-accent); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 26px 70px -18px var(--glow); }
.btn-ghost { border: 1px solid var(--line-2); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }

/* Reveal on scroll (piloté par main.js) */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
  will-change: opacity, transform;
}
[data-reveal="left"]  { transform: translateX(-36px); }
[data-reveal="right"] { transform: translateX(36px); }
[data-reveal="scale"] { transform: scale(.94); }
[data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none; }
}

/* Cartes génériques */
.card {
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .5s var(--ease), border-color .5s, box-shadow .5s;
}
.card:hover { transform: translateY(-6px); border-color: var(--line-2); box-shadow: var(--shadow); }

/* Divider lumineux */
.hr-glow { height: 1px; border: 0; background: linear-gradient(90deg, transparent, var(--line-2), transparent); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2a2a34; border-radius: 10px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* Utilitaires */
.mono { font-family: var(--font-mono); }
.muted { color: var(--muted); }
.center { text-align: center; }
.grid { display: grid; gap: 24px; }