/* Aequora design tokens — THÉRÏS landing v2 */
:root {
  --aequora-teal-900: #0f766e;
  --aequora-teal-700: #178579;
  --aequora-teal-500: #2e9e8e;
  --aequora-teal-300: #6fbdb1;
  --aequora-cream: #faf7f2;
  --aequora-sand: #f8f4ee;
  --aequora-paper: #f2ede3;
  --aequora-noir-900: #0a0a0a;
  /* Échelle warm-noir Aequora — extension Sprint S1 officialisée,
     brun-pierre cohérent paysage Pic Saint-Loup et chaleur EHPAD. */
  --aequora-noir-700: #2a261f;
  --aequora-noir-500: #5b554b;
  --aequora-noir-300: #9a9389;
  --aequora-amber-500: #d4a45f;
  --aequora-noir-deep: #0a1418;
  --aequora-noir-deep-2: #0e1b22;

  --hairline: rgba(10, 10, 10, 0.08);
  --hairline-strong: rgba(10, 10, 10, 0.14);
  --hairline-dark: rgba(255, 255, 255, 0.1);

  --serif: "Playfair Display", "Iowan Old Style", Georgia, serif;
  --sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

/* Reset within hero artboards */
.theris-hero,
.theris-hero * {
  box-sizing: border-box;
}
.theris-hero {
  font-family: var(--sans);
  font-feature-settings: "ss01", "cv11";
  color: var(--aequora-noir-900);
  background: var(--aequora-cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.theris-hero h1,
.theris-hero h2,
.theris-hero p {
  margin: 0;
}
.theris-hero a {
  color: inherit;
  text-decoration: none;
}
.theris-hero button {
  font-family: inherit;
}

/* Anchor caps (3 ancres sémantiques persistantes) */
.theris-anchor {
  font-family: var(--sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 10.5px;
  opacity: 0.55;
  color: currentColor;
  white-space: nowrap;
}
.theris-anchor::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  background: currentColor;
  vertical-align: middle;
  margin-right: 8px;
  opacity: 0.7;
}

/* Subtitle italic */
.theris-italic {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
}

/* Buttons — touch ≥ 48px */
.theris-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 52px;
  padding: 0 22px;
  background: var(--aequora-teal-900);
  color: var(--aequora-cream);
  border: none;
  border-radius: 999px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.005em;
  cursor: pointer;
  transition:
    background 0.25s ease,
    transform 0.15s ease;
  box-shadow: 0 1px 2px rgba(15, 118, 110, 0.18);
}
.theris-cta-primary:hover {
  background: #0b5c56;
}
.theris-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 52px;
  padding: 0 8px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 15px;
  color: var(--aequora-noir-900);
  cursor: pointer;
  background: none;
  border: none;
  position: relative;
}
.theris-cta-link::after {
  content: "";
  position: absolute;
  bottom: 14px;
  left: 8px;
  right: 8px;
  height: 1px;
  background: currentColor;
  opacity: 0.25;
  transition:
    opacity 0.2s,
    transform 0.2s;
}
.theris-cta-link:hover::after {
  opacity: 0.6;
}

/* Sceaux discrets */
.theris-sceau {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--aequora-noir-500);
}
.theris-sceau-dot {
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--aequora-teal-500);
  margin: 0 9px;
  vertical-align: middle;
}

/* Sceau gouvernance */
.theris-governance {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.005em;
  color: var(--aequora-noir-700);
  opacity: 0.85;
  line-height: 1.5;
}
.theris-governance .dot {
  display: inline-block;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--aequora-teal-500);
  margin: 0 10px 4px;
  vertical-align: middle;
}

/* Nav */
.theris-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 32px;
  border-bottom: 1px solid var(--hairline);
}
.theris-nav-items {
  display: flex;
  gap: 4px;
  align-items: center;
}
.theris-nav-link {
  height: 48px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--aequora-noir-700);
  transition:
    background 0.15s,
    color 0.15s;
}
.theris-nav-link:hover {
  color: var(--aequora-teal-900);
  background: rgba(15, 118, 110, 0.05);
}
.theris-nav-cta {
  height: 48px;
  padding: 0 18px;
  background: var(--aequora-teal-900);
  color: var(--aequora-cream);
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  border: none;
  cursor: pointer;
}

/* Logo bouclier T */
.theris-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--aequora-noir-900);
}
.theris-logo .mark {
  width: 26px;
  height: 30px;
  display: inline-block;
}

/* ═══ QG² EXCEPTIONNEL — Craft level Linear/Stripe/Apple Health ═══ */
:root {
  /* Easing signature (Linear's quintessential curve) */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-cubic: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-base: 240ms;
  --duration-slow: 480ms;

  /* Focus ring premium (au-dessus du browser default) */
  --focus-ring: 0 0 0 4px rgba(46, 158, 142, 0.32);
  --focus-ring-dark: 0 0 0 4px rgba(46, 158, 142, 0.42);
}

/* Typographie premium : ligatures + smoothing global */
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings:
    "ss01" on,
    "cv01" on,
    "kern" on;
}

/* Focus visible universel premium (remplace outline browser) */
*:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 6px;
  transition: box-shadow var(--duration-fast) var(--ease-out-expo);
}

/* Selection color signature THERIS */
::selection {
  background: var(--aequora-teal-500);
  color: var(--aequora-cream);
}