/**
 * base.css — reset, typographie de base et primitives UI dotflo
 * Portage Blade de global.css + styles globaux du BaseLayout Astro.
 * Charge tokens.css AVANT ce fichier (variables --color-*, --space-*, …).
 */

/* --- Polices auto-hébergées (woff2 variable, sous-ensemble latin) ---------- */
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('/fonts/space-grotesk-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 100 1000;
  font-display: swap;
  src: url('/fonts/dm-sans-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'DM Sans';
  font-style: italic;
  font-weight: 100 1000;
  font-display: swap;
  src: url('/fonts/dm-sans-latin-italic.woff2') format('woff2');
}

/* --- Reset léger ------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

html {
  scrollbar-gutter: stable;
  scroll-behavior: smooth;
  /* compense le header fixed pour les ancres */
  scroll-padding-top: 56px;
}

@media (min-width: 1024px) {
  html {
    scroll-padding-top: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  background-color: var(--color-bg);
  background-image:
    radial-gradient(120% 80% at 82% -8%, rgba(0, 172, 212, 0.10), transparent 55%),
    radial-gradient(80% 60% at 0% 0%, rgba(0, 172, 212, 0.035), transparent 50%);
  background-attachment: fixed;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-normal);
  font-weight: var(--font-weight-regular);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
  /* compensation header fixed */
  padding-top: 56px;
}

@media (min-width: 1024px) {
  body {
    padding-top: 72px;
  }
}

/* --- Typographie de base --------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
}

h1 {
  font-size: var(--text-h1);
  letter-spacing: var(--tracking-h1);
  font-weight: var(--font-weight-black);
}

h2 {
  font-size: var(--text-h2);
  letter-spacing: var(--tracking-h2);
}

h3 {
  font-size: var(--text-h3);
}

p {
  max-width: 68ch;
}

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

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

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

ul,
ol {
  list-style: none;
}

hr {
  border: none;
  border-top: var(--border-width) solid var(--border-color);
}

/* --- Container centré ------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px-mobile);
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--container-px-desktop);
  }
}

/* --- Utilitaires typo ------------------------------------------ */
.label {
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  line-height: var(--leading-label);
  color: var(--color-neutral-1);
}

.accent { color: var(--color-accent); }
.hl { color: var(--color-accent); }

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

/* --- Skip link ------------------------------------------------- */
.skip-link {
  position: fixed;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 9999;
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  font-size: var(--text-small);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-100%);
  transition:
    opacity var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.skip-link:focus-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* --- Boutons --------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 48px;
  padding-inline: var(--space-3);
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.01em;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.btn:active {
  transform: scale(0.98);
  transition-duration: 80ms;
}

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

.btn--primary {
  background-color: var(--color-accent);
  color: #04181D;
  border-color: var(--color-accent);
}

@media (hover: hover) {
  .btn--primary:hover {
    background-color: var(--color-text);
    border-color: var(--color-text);
    color: var(--color-bg);
  }
}

.btn--primary:focus-visible {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--primary:disabled,
.btn--primary[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-neutral-2);
}

@media (hover: hover) {
  .btn--ghost:hover {
    border-color: var(--color-text);
  }
}

.btn--ghost:disabled,
.btn--ghost[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.section-dark .btn--ghost {
  border-color: var(--color-neutral-2);
  color: var(--color-text);
}

.btn--large {
  min-height: 56px;
  padding-inline: var(--space-4);
  font-size: var(--text-body);
}

/* --- Lien accent ----------------------------------------------- */
.link-accent {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: text-decoration-thickness 150ms var(--ease-out);
}

@media (hover: hover) {
  .link-accent:hover {
    text-decoration-thickness: 2px;
  }
}

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

/* --- Eyebrow (surtitre mono accent) ---------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 1px;
  background: color-mix(in srgb, var(--color-accent) 40%, transparent);
}

/* --- Section contraste ----------------------------------------- */
.section-dark {
  background-color: var(--color-bg-2);
  color: var(--color-text);
}

.section-dark h2,
.section-dark h3 { color: var(--color-text); }

.section-dark .label { color: var(--color-neutral-1); }

/* --- Section-header générique ---------------------------------- */
.section-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  max-width: 44rem;
}

.section-header h2 { margin-top: var(--space-1); }

.section-header__body {
  color: var(--color-neutral-1);
  max-width: 52ch;
  font-size: var(--text-body);
}

/* --- Liste à puces accent -------------------------------------- */
.list-accent {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
}

.list-accent li {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
}

.list-accent li::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.5em;
}

/* --- Reveal au scroll (progressive enhancement) ---------------- */
/* Contenu visible par défaut (JS absent). Le JS pose .reveal-ready sur <html>
   puis anime les .rv à l'entrée via IntersectionObserver. */
.reveal-ready .rv {
  opacity: 0;
  transform: translateY(var(--reveal-y));
  transition:
    opacity var(--duration-reveal) var(--ease-out),
    transform var(--duration-reveal) var(--ease-out);
}

.reveal-ready .rv.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal-ready .rv {
    opacity: 1;
    transform: none;
    transition: none;
  }
}