/* =========================================================================
   RandyTech Solutions — main.css
   Direction artistique : « terminal éditorial » — sombre, précis, technique,
   avec une touche magazine. Feuille unique, minifiable, zéro dépendance externe.

   CHOIX TYPOGRAPHIQUES (4 fichiers woff2 auto-hébergés, budget respecté) :
   - Display : « Sora » (licence OFL). Grotesque géométrique propre et lisible,
     look « produit tech » professionnel et moderne. Sert les titres (800).
   - Corps : « Public Sans » (OFL, US Web Design System). Sans neutre, sobre et
     très lisible en texte courant (400) et pour l'emphase (600).
   - Mono : « JetBrains Mono » (Apache-2.0). Identité « terminal » pour les
     badges de stack et les extraits techniques ; excellente lisibilité.
   ========================================================================= */

/* ---------- Fonts (auto-hébergées, font-display: swap) ---------- */
@font-face {
  font-family: "Sora";
  src: url("../fonts/sora-800.woff2") format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Public Sans";
  src: url("../fonts/public-sans-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Public Sans";
  src: url("../fonts/public-sans-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ---------- Design tokens ---------- */
:root {
  /* Palette imposée */
  --bg: #070b12;
  --surface: #0d141f;
  --surface-2: #111a28;
  --text: #e8edf5;
  --muted: #9aa7bd;
  --muted-2: #6b7a91;
  --line: rgba(232, 237, 245, 0.08);
  --line-strong: rgba(232, 237, 245, 0.14);

  --accent: #22d3ee;          /* cyan électrique — accent primaire */
  --accent-2: #2563eb;        /* bleu profond — accent secondaire */
  --accent-warm: #f5b544;     /* ambre discret — RÉSERVÉ aux preuves/chiffres */
  --accent-cyan-t: rgba(34, 211, 238, 0.12);
  --accent-cyan-line: rgba(34, 211, 238, 0.28);

  /* Typo */
  --font-display: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "Public Sans", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  /* Rythme */
  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 40px);
  --radius: 14px;
  --radius-sm: 10px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4 { overflow-wrap: break-word; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
ul { list-style: none; }
:target { scroll-margin-top: 96px; }

/* ---------- Accessibilité : focus & skip-link ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 1200;
  background: var(--accent);
  color: #041016;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 0; }
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(72px, 11vw, 128px); position: relative; }
.section--tight { padding-block: clamp(56px, 8vw, 96px); }

/* Icône via sprite */
.icon {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  flex: none;
}
.icon--brand { fill: currentColor; stroke: none; }

/* ---------- Eyebrow / labels mono ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--accent-cyan-line);
}

/* ---------- Headings ---------- */
.h-display {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.section-head { max-width: 60ch; margin-bottom: clamp(40px, 6vw, 64px); }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.05;
  margin-top: 18px;
}
.section-head p {
  color: var(--muted);
  font-size: 1.05rem;
  margin-top: 16px;
  max-width: 56ch;
}
.accent { color: var(--accent); }

/* =========================================================================
   HEADER
   ========================================================================= */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: rgba(7, 11, 18, 0.55);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.header.is-scrolled {
  background: rgba(7, 11, 18, 0.82);
  border-bottom-color: var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}
.brand b { color: var(--accent); font-weight: 800; }
.brand .brand-mono {
  font-family: var(--font-mono);
  font-size: 0.62em;
  color: var(--muted-2);
  letter-spacing: 0.05em;
  margin-left: 4px;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 34px);
}
.nav-link {
  font-size: 0.92rem;
  color: var(--muted);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.25s var(--ease);
}
.nav-link:hover,
.nav-link.is-active { color: var(--text); }
.nav-link.is-active::after,
.nav-link:hover::after { width: 100%; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 24px -8px var(--accent); }
.nav-cta .icon { width: 15px; height: 15px; }

.nav-toggle { display: none; width: 40px; height: 40px; color: var(--text); }
.nav-toggle .icon { width: 24px; height: 24px; margin-inline: auto; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

/* =========================================================================
   HERO
   ========================================================================= */
.hero {
  position: relative;
  padding-top: clamp(120px, 18vh, 180px);
  padding-bottom: clamp(72px, 12vw, 120px);
  overflow: hidden;
}
/* Fond génératif léger : grille + lueurs radiales (CSS-first) */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 55% at 12% 8%, rgba(34, 211, 238, 0.10), transparent 60%),
    radial-gradient(50% 50% at 92% 30%, rgba(37, 99, 235, 0.12), transparent 62%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(232, 237, 245, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(232, 237, 245, 0.045) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 78%);
          mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 78%);
}
.hero-wave { position: absolute; right: -4%; top: 12%; width: min(48vw, 620px); z-index: 0; color: var(--accent); opacity: 0.5; pointer-events: none; }
.hero-wave path { fill: none; stroke: currentColor; stroke-width: 1; opacity: 0.35; }

.hero .container { position: relative; z-index: 1; }
.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  padding: 6px 13px;
  border-radius: 100px;
}
.hero-status .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.6);
  animation: pulse 2.2s var(--ease) infinite;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.02;
  font-size: clamp(2.4rem, 7.2vw, 5rem);
  margin-top: 26px;
  max-width: 16ch;
}
.hero-title .grad {
  background: linear-gradient(100deg, var(--accent) 10%, var(--accent-2) 90%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero-sub {
  color: var(--muted);
  font-size: clamp(1.05rem, 2.1vw, 1.28rem);
  line-height: 1.6;
  max-width: 60ch;
  margin-top: 26px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 5vw, 56px);
  margin-top: clamp(48px, 7vw, 76px);
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.hero-meta .stat { min-width: 120px; }
.stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  line-height: 1;
  color: var(--accent-warm);          /* ambre : réservé aux chiffres-preuves */
  letter-spacing: -0.02em;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 10px;
  letter-spacing: 0.02em;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease),
              background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn .icon { width: 18px; height: 18px; }
.btn-primary {
  color: #041016;
  background: linear-gradient(100deg, var(--accent) 0%, #38bdf8 100%);
  box-shadow: 0 10px 30px -12px rgba(34, 211, 238, 0.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(34, 211, 238, 0.7); }
.btn-ghost {
  color: var(--text);
  border: 1px solid var(--line-strong);
  background: var(--surface);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--accent-cyan-line); }

/* =========================================================================
   SERVICES
   ========================================================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.svc {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px 32px;
  overflow: hidden;
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease);
}
.svc::before {
  content: "";
  position: absolute; inset: 0 auto auto 0;
  height: 2px; width: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.svc:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.svc:hover::before { transform: scaleX(1); }
.svc-num {
  position: absolute; top: 20px; right: 22px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted-2);
}
.svc-ico {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  background: var(--accent-cyan-t);
  border: 1px solid var(--accent-cyan-line);
  color: var(--accent);
  margin-bottom: 22px;
}
.svc-ico .icon { width: 26px; height: 26px; }
.svc h3 { font-family: var(--font-display); font-weight: 800; font-size: 1.18rem; letter-spacing: -0.01em; overflow-wrap: break-word; hyphens: auto; }
.svc p { color: var(--muted); font-size: 0.95rem; margin-top: 12px; }

/* =========================================================================
   PROJETS / RÉALISATIONS
   ========================================================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 22px;
}
.proj {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}
.proj:hover {
  transform: translateY(-5px);
  border-color: var(--accent-cyan-line);
  box-shadow: 0 24px 50px -30px rgba(37, 99, 235, 0.5);
}
.proj-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.proj-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 4px 11px;
}
.proj-conf {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-warm);
}
.proj-conf .icon { width: 13px; height: 13px; }
.proj h3 {
  font-family: var(--font-display); font-weight: 800;
  font-size: 1.28rem; letter-spacing: -0.01em;
  margin-top: 18px; line-height: 1.15;
  overflow-wrap: break-word; hyphens: auto;
}
.proj-body { margin-top: 16px; display: grid; gap: 12px; }
.proj-row { display: grid; grid-template-columns: 92px 1fr; gap: 12px; align-items: start; }
.proj-row dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  padding-top: 2px;
}
.proj-row dd { color: var(--muted); font-size: 0.92rem; }
.proj-row--proof dd { color: var(--text); }
.proj-stack { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent);
  background: var(--accent-cyan-t);
  border: 1px solid var(--accent-cyan-line);
  border-radius: 6px;
  padding: 3px 9px;
}

/* =========================================================================
   STACK
   ========================================================================= */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 30px 40px;
}
.stack-group h3 {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  display: flex; align-items: center; gap: 9px;
  margin-bottom: 16px;
}
.stack-group h3::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px var(--accent);
}
.badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 11px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.badge:hover { color: var(--text); border-color: var(--line-strong); }
.badge .icon { width: 15px; height: 15px; color: var(--muted); }
.badge:hover .icon { color: var(--accent); }

/* =========================================================================
   À PROPOS
   ========================================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(36px, 6vw, 72px);
  align-items: start;
}
.about-text p { color: var(--muted); font-size: 1.06rem; margin-top: 18px; }
.about-text p:first-child { margin-top: 0; }
.about-text strong { color: var(--text); font-weight: 600; }
.about-quote {
  margin-top: 28px;
  padding-left: 20px;
  border-left: 2px solid var(--accent);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
}
.about-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
}
.about-panel h3 {
  font-family: var(--font-mono);
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 6px;
}
.about-facts { display: grid; gap: 20px; }
.about-fact { display: flex; gap: 14px; align-items: flex-start; }
.about-fact .icon { width: 20px; height: 20px; color: var(--accent); margin-top: 3px; }
.about-fact b { font-family: var(--font-display); font-weight: 800; font-size: 1.02rem; }
.about-fact span { display: block; color: var(--muted); font-size: 0.9rem; }

/* =========================================================================
   CONTACT
   ========================================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(36px, 6vw, 64px);
  align-items: start;
}
.contact-lead p { color: var(--muted); font-size: 1.06rem; margin-top: 16px; max-width: 44ch; }
.contact-list { margin-top: 34px; display: grid; gap: 18px; }
.contact-item { display: flex; gap: 15px; align-items: center; }
.contact-item .ico {
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  background: var(--accent-cyan-t);
  border: 1px solid var(--accent-cyan-line);
  color: var(--accent);
}
.contact-item .ico .icon { width: 20px; height: 20px; }
.contact-item .k {
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted-2);
}
.contact-item .v { font-weight: 600; font-size: 1rem; }
.contact-item .v:hover { color: var(--accent); }

.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(26px, 4vw, 40px);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 8px;
}
.field .req { color: var(--accent); }
.field input,
.field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 13px 15px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.14);
}
.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] { border-color: #f87171; }
.field-error { display: block; color: #fca5a5; font-size: 0.82rem; margin-top: 7px; min-height: 1px; }

/* Honeypot : masqué visuellement ET aux lecteurs d'écran, hors flux */
.hp {
  position: absolute !important;
  left: -9999px; top: auto;
  width: 1px; height: 1px; overflow: hidden;
}

.form-submit { width: 100%; justify-content: center; margin-top: 6px; }
.form-submit[aria-busy="true"] { opacity: 0.7; pointer-events: none; }
.form-note {
  margin-top: 16px;
  padding: 13px 15px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  display: none;
}
.form-note.is-visible { display: block; }
.form-note.is-ok { background: rgba(34, 197, 94, 0.10); border: 1px solid rgba(34, 197, 94, 0.3); color: #86efac; }
.form-note.is-err { background: rgba(239, 68, 68, 0.10); border: 1px solid rgba(239, 68, 68, 0.3); color: #fca5a5; }

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer {
  border-top: 1px solid var(--line);
  background: #05080e;
  padding-block: 48px;
}
.footer-top {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 28px;
  padding-bottom: 28px; border-bottom: 1px solid var(--line);
}
.footer-brand { font-family: var(--font-display); font-weight: 800; font-size: 1.3rem; }
.footer-brand b { color: var(--accent); }
.footer-brand p { font-family: var(--font-body); font-weight: 400; color: var(--muted); font-size: 0.9rem; margin-top: 8px; max-width: 34ch; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; }
.footer-links a { color: var(--muted); font-size: 0.92rem; display: inline-flex; align-items: center; gap: 7px; }
.footer-links a:hover { color: var(--accent); }
.footer-links .icon { width: 15px; height: 15px; }
.footer-legal {
  margin-top: 26px;
  color: var(--muted-2);
  font-size: 0.82rem;
  line-height: 1.7;
}
.footer-legal .mono { font-family: var(--font-mono); }

/* =========================================================================
   ANIMATIONS
   ========================================================================= */
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.55); }
  70%  { box-shadow: 0 0 0 9px rgba(34, 211, 238, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0); }
}
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
/* stagger au chargement du hero */
.stagger > * { opacity: 0; transform: translateY(18px); }
.stagger.is-in > * { animation: rise 0.6s var(--ease) forwards; }
.stagger.is-in > *:nth-child(1) { animation-delay: 0.05s; }
.stagger.is-in > *:nth-child(2) { animation-delay: 0.14s; }
.stagger.is-in > *:nth-child(3) { animation-delay: 0.23s; }
.stagger.is-in > *:nth-child(4) { animation-delay: 0.32s; }
.stagger.is-in > *:nth-child(5) { animation-delay: 0.41s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 900px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .nav-list {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: rgba(7, 11, 18, 0.97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    padding: 18px var(--gutter) 28px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  }
  .nav-list.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav-list li { width: 100%; }
  .nav-link { display: block; width: 100%; padding: 12px 0; font-size: 1.05rem; }
  .nav-cta { margin-top: 8px; }
}
@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .proj-row { grid-template-columns: 1fr; gap: 4px; }
  .proj-row dt { padding-top: 0; }
}

/* ---------- prefers-reduced-motion : on coupe tout mouvement ---------- */
@media (prefers-reduced-motion: reduce) {
  * , *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .stagger > * { opacity: 1; transform: none; }
  .hero-status .dot { animation: none; }
}