/* =========================================================================
   Sylvain Guerrin — page de refonte
   1. Polices
   2. Tokens (variables)
   3. Base / reset
   4. Composants
   5. Responsive
   6. Accessibilité (mouvement réduit, focus)
   ========================================================================= */

/* ---------------------------------------------------------------
   1. Polices auto-hébergées (sous-ensemble latin, format woff2)
   --------------------------------------------------------------- */

/* Inter : fichier variable, couvre 100 → 900 */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/inter-latin.woff2') format('woff2');
}

/* JetBrains Mono : fichier variable */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url('../fonts/jetbrains-mono-latin.woff2') format('woff2');
}

@font-face {
  font-family: 'Playfair Display';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/playfair-display-italic-latin.woff2') format('woff2');
}

/* Poppins : statique, une graisse par fichier */
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/poppins-600-latin.woff2') format('woff2');
}

@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/poppins-700-latin.woff2') format('woff2');
}

@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('../fonts/poppins-800-latin.woff2') format('woff2');
}

/* ---------------------------------------------------------------
   2. Tokens
   --------------------------------------------------------------- */

:root {
  /* Couleurs de marque */
  --color-navy: #0e2436;
  --color-coral: #e2483b;
  /* Variante foncée du corail : seule teinte qui passe le contraste AA
     sur fond clair ou sous texte blanc (5.1:1 au lieu de 4.0:1) */
  --color-coral-deep: #c93a2e;
  --color-cream: #f7f5f1;
  --color-text: #16232f;
  --color-muted: #5c6b78;
  --color-border: #e3ddd2;
  --color-on-dark: #fff;

  /* Typographie */
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display: 'Poppins', var(--font-body);
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Rythme */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.75rem;
  --space-xl: 5rem;

  --radius: 9px;
  --content-width: 820px;
  --header-width: 1240px;
}

/* ---------------------------------------------------------------
   3. Base
   --------------------------------------------------------------- */

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

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

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-cream);
  /* Trame de points */
  background-image: radial-gradient(var(--color-border) 1.6px, transparent 1.6px);
  background-size: 26px 26px;
  -webkit-font-smoothing: antialiased;
}

h1,
p {
  margin: 0;
}

img {
  max-width: 100%;
  height: auto;
}

::selection {
  color: var(--color-on-dark);
  background: var(--color-coral);
}

/* ---------------------------------------------------------------
   4. Composants
   --------------------------------------------------------------- */

/* 4.1 — Bandeau technique */
.build-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-xs);
  padding: 1rem var(--space-md) 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}

/* 4.2 — En-tête */
.site-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  max-width: var(--header-width);
  margin-inline: auto;
  padding: 0 var(--space-md) 0;
}

.site-header__logo {
  width: 124px;
  height: 124px;
  object-fit: contain;
}

.site-header__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--color-navy);
}

/* 4.3 — Bloc principal */
.hero {
  max-width: var(--content-width);
  margin-inline: auto;
  padding: var(--space-md) var(--space-md) 6.25rem;
  text-align: center;
}

.hero__eyebrow {
  margin-bottom: var(--space-sm);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-coral-deep);
}

.hero__title {
  margin-bottom: var(--space-md);
  font-family: var(--font-display);
  font-weight: 800;
  /* 30px sur mobile → 42px sur grand écran */
  font-size: clamp(1.875rem, 1.2rem + 2.6vw, 2.625rem);
  line-height: 1.15;
  color: var(--color-navy);
  text-wrap: balance;
}

.hero__accent {
  color: var(--color-coral);
}

.hero__lede {
  max-width: 35rem;
  margin: 0 auto var(--space-lg);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-muted);
  text-wrap: pretty;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.hero__footnote {
  margin-top: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted);
}

/* 4.4 — Boutons */
.button {
  display: inline-block;
  padding: 0.9375rem 1.625rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  color: var(--color-on-dark);
  background-color: var(--color-coral-deep);
}

.button--primary:hover {
  background-color: var(--color-navy);
}

.button--ghost {
  color: var(--color-navy);
  background-color: transparent;
  border-color: var(--color-navy);
}

.button--ghost:hover {
  color: var(--color-on-dark);
  background-color: var(--color-navy);
}

/* 4.5 — Schéma de versions */
.pipeline {
  display: block;
  width: 260px;
  max-width: 100%;
  height: auto;
  margin: 0 auto var(--space-lg);
}

.pipeline__links path {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 2;
  stroke-dasharray: 6 6;
  animation: flow-dash 2.4s linear infinite;
}

.pipeline__node circle {
  fill: var(--color-navy);
  filter: drop-shadow(0 6px 10px rgba(14, 36, 54, 0.35));
}

.pipeline__node text {
  fill: var(--color-on-dark);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 10px;
  text-anchor: middle;
  dominant-baseline: central;
}

.pipeline__node--live circle {
  fill: var(--color-coral);
  transform-box: fill-box;
  transform-origin: center;
  animation: pulse-node 1.8s ease-in-out infinite;
}

.pipeline__node--delayed circle {
  animation-delay: 0.3s;
}

@keyframes flow-dash {
  to { stroke-dashoffset: -40; }
}

@keyframes pulse-node {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.12); }
}

/* ---------------------------------------------------------------
   5. Responsive
   --------------------------------------------------------------- */

@media (max-width: 40rem) {
  .build-bar {
    font-size: 0.625rem;
  }

  /* Évite un retour à la ligne du bandeau sur petit écran */
  .build-bar__aside {
    display: none;
  }

  .site-header {
    padding-top: var(--space-md);
  }

  .hero {
    padding: var(--space-lg) var(--space-md) var(--space-xl);
  }

  .hero__actions .button {
    flex: 1 1 100%;
    text-align: center;
  }
}

/* ---------------------------------------------------------------
   6. Accessibilité
   --------------------------------------------------------------- */

:focus-visible {
  outline: 3px solid var(--color-coral-deep);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .button:hover {
    transform: none;
  }
}