/*
  base.css — Prevancy Portal
  Fontes auto-hébergées, reset léger, typographie de base, atmosphère de fond.
*/

@font-face {
  font-family: "Space Grotesk Variable";
  src: url("/fonts/SpaceGrotesk-Variable.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter Variable";
  src: url("/fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

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

* {
  margin: 0;
}

html {
  block-size: 100%;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  min-block-size: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  position: relative;
  isolation: isolate;
}

/* Atmosphère : dégradés en profondeur + grain léger, en dessous du contenu */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-color: var(--color-bg);
  background-image:
    radial-gradient(60rem 40rem at 82% -10%, oklch(75% 0.14 70 / 7%), transparent 60%),
    radial-gradient(50rem 36rem at -10% 110%, oklch(74% 0.08 222 / 6%), transparent 55%),
    linear-gradient(180deg, var(--color-bg-deep), var(--color-bg) 40%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: url("/img/noise.svg");
  background-repeat: repeat;
  background-size: 180px 180px;
  opacity: 0.5;
  mix-blend-mode: overlay;
  pointer-events: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
  padding: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
}

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

/* Focus clavier — anneau accent visible, jamais supprimé sans remplacement */
:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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

.skip-link {
  position: absolute;
  top: -3rem;
  left: var(--space-4);
  z-index: 100;
  padding: 0.7em 1.2em;
  background: var(--color-surface-3);
  color: var(--color-text);
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  transition: top var(--duration-fast) var(--ease-out-expo);
}

.skip-link:focus-visible {
  top: var(--space-4);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}