/* ===========================================
   PRODUCTLY · Design system — tokens + base
   ===========================================
   Inspiré de Linear / Vercel / Stripe.
   Papier crème chaud, encre profonde, accent vert mousse "détection".
   Typographie Geist + Geist Mono. Pas d'emoji dans le UI : tout est texte ou SVG.
*/

:root {
  /* ----- couleurs ----- */
  --bg:           oklch(0.985 0.003 80);
  --bg-elev:      oklch(1 0 0);
  --bg-sunk:      oklch(0.965 0.004 80);
  --ink:          oklch(0.18 0.005 240);
  --ink-2:        oklch(0.32 0.006 240);
  --muted:        oklch(0.52 0.006 240);
  --faint:        oklch(0.72 0.005 240);
  --border:       oklch(0.91 0.004 80);
  --border-strong:oklch(0.84 0.006 80);

  --accent:      oklch(0.48 0.09 155);
  --accent-ink:  oklch(0.32 0.07 155);
  --accent-soft: oklch(0.94 0.04 155);
  --accent-fg:   oklch(0.985 0.003 80);

  --warn:        oklch(0.72 0.13 70);
  --warn-soft:   oklch(0.96 0.04 80);
  --danger:      oklch(0.55 0.15 25);

  /* ----- rayons / ombres ----- */
  --radius:    10px;
  --radius-lg: 14px;
  --radius-sm: 6px;

  --shadow-sm: 0 1px 0 oklch(0.91 0.004 80 / 0.7), 0 1px 2px oklch(0.5 0 0 / 0.04);
  --shadow-md: 0 1px 0 oklch(0.91 0.004 80 / 0.7), 0 4px 14px oklch(0.5 0 0 / 0.06), 0 24px 48px -24px oklch(0.5 0 0 / 0.18);
  --shadow-lg: 0 1px 0 oklch(0.91 0.004 80 / 0.7), 0 8px 24px oklch(0.5 0 0 / 0.08), 0 48px 96px -32px oklch(0.5 0 0 / 0.22);

  /* ----- layout ----- */
  --maxw:  1200px;
  --pad-x: clamp(20px, 4vw, 56px);

  /* ----- type ----- */
  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

/* ===========================================
   Reset + base
   =========================================== */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }

::selection { background: var(--accent); color: var(--accent-fg); }

/* ===========================================
   Layout primitives
   =========================================== */

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

.divider { height: 1px; background: var(--border); width: 100%; }

/* ===========================================
   Typographie
   =========================================== */

h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--ink);
  margin: 0;
}

h1 {
  font-size: clamp(40px, 5.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h1 em { font-style: normal; color: var(--accent-ink); }

h1 .underline {
  background-image: linear-gradient(transparent 65%, color-mix(in oklch, var(--accent) 35%, transparent) 65%);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  padding: 0 2px;
}

h2 {
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.028em;
  text-wrap: balance;
}

h3 { font-size: 19px; line-height: 1.3; }

/* ===========================================
   Boutons
   =========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 16px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all .15s ease;
  white-space: nowrap;
  font-family: inherit;
  cursor: pointer;
}

.btn-primary {
  background: var(--ink);
  color: var(--bg);
  box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.08), 0 1px 2px oklch(0 0 0 / 0.1);
}
.btn-primary:hover { background: oklch(from var(--ink) calc(l + 0.08) c h); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: var(--bg-sunk); }

.btn-quiet { background: transparent; color: var(--muted); border-color: transparent; }
.btn-quiet:hover { color: var(--ink); }

.btn-accent {
  background: var(--accent);
  color: var(--accent-fg);
  box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.18), 0 1px 2px oklch(0 0 0 / 0.1);
}
.btn-accent:hover { background: oklch(from var(--accent) calc(l + 0.04) c h); }

.btn-lg { height: 46px; padding: 0 22px; font-size: 15px; border-radius: 11px; }

.btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ===========================================
   Composants partagés
   =========================================== */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-2);
  font-family: var(--font-mono);
  letter-spacing: -0.01em;
}

.chip-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent) 25%, transparent);
}

.chip-dot.warn {
  background: var(--warn);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--warn) 25%, transparent);
}

@keyframes pulse-fade {
  0%, 100% { opacity: 1; }
  50%      { opacity: .55; }
}

.chip-dot.live { animation: pulse-fade 2.4s ease-in-out infinite; }

/* Brand mark — petit logo carré noir avec cercle vert au centre */
.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--ink);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  box-shadow: inset 0 0 0 3.5px var(--ink), inset 0 0 0 5px var(--accent);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 17px;
  color: var(--ink);
}

/* ===========================================
   Sections
   =========================================== */

section {
  padding: clamp(64px, 9vw, 120px) 0;
}

section + section { border-top: 1px solid var(--border); }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 32px 64px;
  align-items: end;
  margin-bottom: clamp(40px, 6vw, 64px);
}

@media (max-width: 760px) {
  .section-head { grid-template-columns: 1fr; }
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.section-lede {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
  max-width: 560px;
}

/* ===========================================
   Animations partagées (héritées de l'ancienne version)
   =========================================== */

@keyframes popIn {
  from { opacity: 0; transform: scale(0.92) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes spin { to { transform: rotate(360deg); } }

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===========================================
   Composants partagés legacy (modals, spinners…)
   Conservés pour compatibilité avec les autres pages
   en attendant leur refonte.
   =========================================== */

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid color-mix(in oklch, var(--bg) 30%, transparent);
  border-top-color: var(--bg);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-sunk) 0%, var(--border) 50%, var(--bg-sunk) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.8s infinite;
  border-radius: 4px;
  display: inline-block;
}

.overlay {
  position: fixed;
  inset: 0;
  background: oklch(0.18 0.005 240 / 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}
.overlay.show { display: flex; }

.modal-card {
  background: var(--bg-elev);
  border-radius: 16px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: popIn 0.3s ease-out;
  overflow: hidden;
}