/* ============================================================
   BASE — reset + fondations typographiques
   ============================================================ */

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

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg-paper);
  color: var(--text-high);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* Grain très léger, pour casser le à-plat clinique du blanc */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: var(--noise-opacity);
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Halo de fond : deux lueurs (Noam / Camille) qui se rejoignent en rose */
body::after {
  content: "";
  position: fixed;
  inset: -20%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(36% 30% at 16% 14%, rgba(255, 122, 77, 0.14), transparent 60%),
    radial-gradient(38% 32% at 84% 18%, rgba(91, 110, 245, 0.12), transparent 60%),
    radial-gradient(45% 40% at 50% 100%, rgba(255, 62, 127, 0.1), transparent 65%);
  filter: blur(14px);
}

#app {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text-high);
  text-wrap: balance;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 500; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0; }

button {
  font-family: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

a {
  color: inherit;
}

.italic-accent {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--color-fusion);
}

/* Scrollbar discrète */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--color-fusion-dim);
  border-radius: var(--radius-pill);
}

:focus-visible {
  outline: 2px solid var(--color-fusion);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}