/* ══════════════════════════════════════════════════════════
   PolitiLab — Global Styles
   Fonts: Fraunces (display/serif) + Instrument Sans (body)
   ══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,600;0,9..144,800;1,9..144,300;1,9..144,600&family=Instrument+Sans:wght@400;500;600&family=DM+Mono:wght@400;500&display=swap');

/* ── TOKENS ── */
:root {
  /* Typography */
  --f-display: 'Fraunces', Georgia, serif;
  --f-body:    'Instrument Sans', system-ui, sans-serif;
  --f-mono:    'DM Mono', monospace;

  /* Spacing */
  --nav-h: 60px;
  --r-sm:  6px;
  --r:     12px;
  --r-lg:  20px;
  --r-xl:  28px;

  /* Motion */
  --ease:  cubic-bezier(.22, 1, .36, 1);
  --t:     .22s;
}

/* ── DARK THEME (default) ── */
[data-theme="dark"] {
  --bg:        #252530;
  --bg2:       #2a2a38;
  --surface:   #2f2f40;
  --surface2:  #383850;
  --surface3:  #424258;
  --border:    rgba(255,255,255,.10);
  --border2:   rgba(255,255,255,.18);
  --border3:   rgba(255,255,255,.28);

  --text:      #f0eef8;
  --text2:     #b8b4cc;
  --muted:     #6b6880;

  --accent:    #c5aeff;     /* violet clair */
  --accent2:   #ff7e6b;     /* orange-rouge */
  --gold:      #f2c063;
  --teal:      #5fd8b8;
  --blue:      #6aa3f7;

  --shadow:    0 8px 40px rgba(0,0,0,.55);
  --shadow-sm: 0 2px 12px rgba(0,0,0,.4);

  color-scheme: dark;
}

/* ── LIGHT THEME ── */
[data-theme="light"] {
  --bg:        #f7f6f2;
  --bg2:       #eeecE6;
  --surface:   #ffffff;
  --surface2:  #f2f0ea;
  --surface3:  #e8e5dd;
  --border:    rgba(0,0,0,.07);
  --border2:   rgba(0,0,0,.13);
  --border3:   rgba(0,0,0,.22);

  --text:      #18161f;
  --text2:     #4a4660;
  --muted:     #8a8798;

  --accent:    #6c3ce1;     /* violet foncé */
  --accent2:   #e04830;
  --gold:      #c08820;
  --teal:      #1a9a7a;
  --blue:      #2c6ed4;

  --shadow:    0 8px 40px rgba(0,0,0,.10);
  --shadow-sm: 0 2px 12px rgba(0,0,0,.07);

  color-scheme: light;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--t), color var(--t);
}
img, video { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--t); }
a:hover { color: var(--text); }
h1,h2,h3,h4 { font-family: var(--f-display); line-height: 1.1; }

/* ── UTILITIES ── */
.serif { font-family: var(--f-display); }
.mono  { font-family: var(--f-mono); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px;
  border-radius: var(--r-sm);
  font-family: var(--f-body);
  font-size: .875rem; font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer; border: none;
  transition: transform var(--t) var(--ease), box-shadow var(--t), filter var(--t), background var(--t);
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 28px color-mix(in srgb, var(--accent) 35%, transparent);
}
.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 36px color-mix(in srgb, var(--accent) 50%, transparent);
  color: var(--bg);
}

.btn-ghost {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border2);
}
.btn-ghost:hover { background: var(--surface2); color: var(--text); }

.btn-teal {
  background: var(--teal);
  color: var(--bg);
}
.btn-teal:hover { filter: brightness(1.08); color: var(--bg); }

/* ── CARDS ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px;
  transition: border-color var(--t), box-shadow var(--t);
}
.card:hover { border-color: var(--border2); box-shadow: var(--shadow); }

/* ── PAGE WRAP ── */
.page-wrap {
  padding-top: var(--nav-h);
  position: relative;
  z-index: 1;
}

/* ── SECTION LABEL ── */
.section-label {
  font-family: var(--f-mono);
  font-size: .7rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted);
  margin-bottom: 10px;
}

/* ── DIVIDER ── */
.divider { height: 1px; background: var(--border); margin: 40px 0; }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
.fade-up { animation: fadeUp .5s var(--ease) both; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border2); }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  .btn { padding: 10px 18px; font-size: .82rem; }
}