/* ============================================================
   laabidi.eu — Portfolio 2026
   Design system : dark "engineering studio"
   ============================================================ */

:root {
  --bg: #07090f;
  --bg-2: #0b0f18;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #e8ebf4;
  --muted: #9aa4bb;
  --faint: #6b7590;
  --acc-1: #8a7cff; /* violet */
  --acc-2: #55e6c4; /* teal  */
  --acc-3: #ffb86b; /* amber (rare, warnings/highlights) */
  --ok: #34d399;
  --danger: #f87171;
  --grad: linear-gradient(96deg, var(--acc-1), var(--acc-2));
  --radius: 18px;
  --radius-sm: 12px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --nav-h: 72px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(138, 124, 255, 0.35); color: #fff; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* Fond global : grille + halos ------------------------------ */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(52rem 30rem at 85% -6%, rgba(138, 124, 255, 0.13), transparent 60%),
    radial-gradient(44rem 28rem at -10% 22%, rgba(85, 230, 196, 0.09), transparent 60%),
    radial-gradient(40rem 30rem at 55% 115%, rgba(138, 124, 255, 0.08), transparent 60%),
    var(--bg);
}
.backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(70rem 44rem at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(70rem 44rem at 50% 0%, #000 30%, transparent 75%);
}

/* Barre de progression de scroll ---------------------------- */
#scrollbar {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: var(--grad);
  z-index: 200;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

/* ============================================================
   Navigation
   ============================================================ */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  /* opacité élevée : le contenu qui défile dessous ne doit pas rester lisible */
  background: rgba(7, 9, 15, 0.94);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--border);
}
#nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand .dot { color: var(--acc-2); }
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: #0a0d14;
  font-weight: 700;
  font-family: var(--font-display);
  font-size: 0.95rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--muted);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active {
  color: var(--text);
  background: var(--surface-2);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--grad);
  color: #081018;
  font-weight: 600;
  font-size: 0.92rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(138, 124, 255, 0.35);
}
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
}
.lang-switch a {
  padding: 5px 11px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted);
  transition: color 0.2s, background 0.2s;
}
.lang-switch a:hover { color: var(--text); }
.lang-switch a.on {
  background: var(--surface-2);
  color: var(--text);
}
#navToggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 42px; height: 42px;
  color: var(--text);
  position: relative;
}
#navToggle span, #navToggle span::before, #navToggle span::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 18px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transform: translateX(-50%);
  transition: transform 0.25s, opacity 0.25s;
}
#navToggle span { top: 50%; margin-top: -1px; }
#navToggle span::before { top: -6px; }
#navToggle span::after { top: 6px; }
body.nav-open #navToggle span { background: transparent; }
body.nav-open #navToggle span::before { transform: translateX(-50%) translateY(6px) rotate(45deg); }
body.nav-open #navToggle span::after { transform: translateX(-50%) translateY(-6px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
#hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 48px) 0 64px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
/* Empêche les lignes `pre` du terminal d'élargir la colonne au-delà du viewport */
.hero-grid > div { min-width: 0; }
.badge-avail {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid rgba(52, 211, 153, 0.35);
  background: rgba(52, 211, 153, 0.08);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #a7f3d0;
}
.badge-avail .pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); }
  70%  { box-shadow: 0 0 0 9px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6.2vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 22px 0 10px;
}
.hero-title .grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--acc-2);
  min-height: 1.8em;
  margin: 0 0 18px;
}
.hero-role .caret {
  display: inline-block;
  width: 9px;
  margin-left: 2px;
  background: var(--acc-2);
  animation: caret 1s steps(1) infinite;
  height: 1.1em;
  vertical-align: text-bottom;
}
@keyframes caret { 50% { opacity: 0; } }
.hero-pitch {
  color: var(--muted);
  max-width: 54ch;
  font-size: 1.06rem;
  margin: 0 0 30px;
}
.hero-pitch strong { color: var(--text); font-weight: 600; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}
.btn-primary {
  background: var(--grad);
  color: #081018;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 34px rgba(138, 124, 255, 0.4);
}
.btn-ghost {
  border-color: var(--border-strong);
  color: var(--text);
  background: var(--surface);
}
.btn-ghost:hover {
  border-color: var(--acc-2);
  transform: translateY(-2px);
}
.hero-socials {
  display: flex;
  gap: 10px;
  margin-top: 34px;
}
.hero-socials a, .icon-btn {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  transition: color 0.2s, border-color 0.2s, transform 0.2s;
}
.hero-socials a:hover { color: var(--text); border-color: var(--acc-1); transform: translateY(-2px); }
.hero-socials svg { width: 19px; height: 19px; fill: currentColor; }

/* Fenêtre terminal ------------------------------------------ */
.term {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(10, 13, 22, 0.85);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255,255,255,0.02) inset;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.83rem;
  line-height: 1.75;
  transform: perspective(1200px) rotateY(-5deg) rotateX(2deg);
  transition: transform 0.4s ease;
}
.term:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
.term-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}
.term-bar i {
  width: 11px; height: 11px;
  border-radius: 50%;
  display: inline-block;
}
.term-bar i:nth-child(1) { background: #ff5f57; }
.term-bar i:nth-child(2) { background: #febc2e; }
.term-bar i:nth-child(3) { background: #28c840; }
.term-bar span {
  margin-left: 10px;
  color: var(--faint);
  font-size: 0.78rem;
}
.term-body { padding: 20px 22px; overflow-x: auto; }
.term-body .ln { display: block; white-space: pre; }
.t-key { color: #9ecbff; }
.t-str { color: #7ee2c0; }
.t-num { color: #ffb86b; }
.t-pun { color: var(--faint); }
.t-cmt { color: #5b657e; font-style: italic; }
.t-cmd { color: var(--text); }
.t-cmd::before { content: "❯ "; color: var(--acc-2); }

/* Bandeau techno défilant ----------------------------------- */
.marquee {
  border-block: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.015);
  overflow: hidden;
  padding: 18px 0;
  position: relative;
}
.marquee::before, .marquee::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--bg), transparent); }
.marquee::after { right: 0; background: linear-gradient(-90deg, var(--bg), transparent); }
.marquee-track {
  display: flex;
  gap: 46px;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--faint);
  display: flex;
  align-items: center;
  gap: 46px;
  white-space: nowrap;
}
.marquee-track span::after { content: "◆"; font-size: 0.5rem; color: var(--acc-1); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============================================================
   Sections génériques
   ============================================================ */
section { padding: 104px 0; position: relative; }
.sec-head { margin-bottom: 54px; }
.kicker {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acc-2);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.kicker::before {
  content: "";
  width: 34px; height: 1px;
  background: var(--acc-2);
  opacity: 0.6;
}
.sec-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 12px;
  font-weight: 700;
}
.sec-sub {
  color: var(--muted);
  max-width: 62ch;
  margin: 0;
  font-size: 1.02rem;
}

/* Apparition au scroll -------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--d, 0s);
}
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   À propos — bento
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 26px;
  align-items: start;
}
.about-photo {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.about-photo img {
  display: block;
  width: 100%;
  height: auto;
  /* Même ratio que le fichier source (4:5) : l'image n'est donc jamais recadrée. */
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 22%;
  filter: saturate(0.92) contrast(1.04);
}
.about-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, transparent 55%, rgba(7, 9, 15, 0.8));
}
.about-photo .tag {
  position: absolute;
  left: 16px; bottom: 14px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--acc-2);
}
.bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  transition: border-color 0.25s, transform 0.25s, background 0.25s;
}
.card:hover { border-color: var(--border-strong); background: var(--surface-2); }
.card h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.card h3 .ico { color: var(--acc-1); display: inline-flex; }
.card h3 .ico svg { width: 20px; height: 20px; }
.card p { color: var(--muted); margin: 0; font-size: 0.96rem; }
.bento .span-2 { grid-column: span 2; }
.about-intro p { margin: 0 0 14px; color: var(--muted); font-size: 1.02rem; }
.about-intro strong { color: var(--text); }

/* Statistiques ---------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  margin-top: 26px;
}
.stat {
  text-align: left;
  padding: 24px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
}
.stat b {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  line-height: 1.1;
}
.stat span { color: var(--muted); font-size: 0.9rem; }

/* ============================================================
   Parcours — timeline
   ============================================================ */
.timeline {
  position: relative;
  margin-top: 10px;
  display: grid;
  gap: 0;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(var(--acc-1), var(--acc-2), transparent);
  opacity: 0.5;
}
.tl-item {
  position: relative;
  padding: 0 0 46px 44px;
}
.tl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--acc-1);
}
.tl-item.current::before {
  background: var(--acc-2);
  border-color: var(--acc-2);
  box-shadow: 0 0 0 5px rgba(85, 230, 196, 0.15);
}
.tl-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--acc-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.tl-item h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 8px 0 2px;
  letter-spacing: -0.01em;
}
.tl-item h3 small {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 400;
}
.tl-item .tl-sub { color: var(--acc-1); font-size: 0.95rem; font-weight: 600; }
.tl-item p { color: var(--muted); max-width: 74ch; margin: 12px 0 14px; font-size: 0.98rem; }
.tl-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.2s, color 0.2s;
}
.chip:hover { border-color: var(--acc-1); color: var(--text); }

/* ============================================================
   Services
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.service {
  position: relative;
  overflow: hidden;
}
.service::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(24rem 14rem at var(--mx, 50%) var(--my, 0%), rgba(138, 124, 255, 0.1), transparent 65%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.service:hover::before { opacity: 1; }
.service .num {
  font-family: var(--font-mono);
  color: var(--faint);
  font-size: 0.8rem;
}
.service h3 { margin-top: 14px; font-size: 1.18rem; }
.service .stack-line {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--acc-2);
  opacity: 0.85;
}

/* Process --------------------------------------------------- */
.process {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.step {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  position: relative;
}
.step b {
  font-family: var(--font-mono);
  color: var(--acc-1);
  font-size: 0.8rem;
  display: block;
  margin-bottom: 8px;
}
.step h4 { margin: 0 0 6px; font-family: var(--font-display); font-size: 1.02rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.88rem; }

/* ============================================================
   Projets
   ============================================================ */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
  transition: all 0.2s;
}
.filter-btn:hover { color: var(--text); border-color: var(--border-strong); }
.filter-btn.active {
  background: var(--grad);
  color: #081018;
  border-color: transparent;
  font-weight: 600;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.proj {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s, box-shadow 0.3s;
}
.proj:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.proj.hidden { display: none; }
/* Couverture générée : teinte pilotée par --h (hue) */
.proj-cover {
  position: relative;
  aspect-ratio: 16 / 9.4;
  background:
    radial-gradient(18rem 11rem at 82% -20%, hsla(var(--h), 85%, 68%, 0.34), transparent 60%),
    radial-gradient(16rem 10rem at -8% 118%, hsla(calc(var(--h) + 55), 80%, 62%, 0.22), transparent 55%),
    linear-gradient(160deg, hsla(var(--h), 40%, 14%, 0.9), rgba(9, 12, 20, 0.96));
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.proj-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(22rem 14rem at 50% 50%, #000, transparent 78%);
  -webkit-mask-image: radial-gradient(22rem 14rem at 50% 50%, #000, transparent 78%);
}
.proj-mono {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.1rem;
  letter-spacing: -0.02em;
  color: hsla(var(--h), 90%, 80%, 0.95);
  text-shadow: 0 6px 30px hsla(var(--h), 90%, 60%, 0.35);
  z-index: 1;
  padding: 0 20px;
  text-align: center;
}
.proj-type {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(7, 9, 15, 0.65);
  border: 1px solid var(--border-strong);
  color: var(--text);
  backdrop-filter: blur(6px);
}
.proj-year {
  position: absolute;
  top: 14px; right: 14px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(232, 235, 244, 0.75);
}
.proj-body {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
}
.proj-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.22rem;
  letter-spacing: -0.01em;
}
.proj-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  flex: 1;
}
.proj-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.proj-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.proj-links a {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--acc-2);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.2s, transform 0.2s;
}
.proj-links a:hover { opacity: 0.8; transform: translateX(2px); }
.proj-links .confidential {
  font-size: 0.8rem;
  color: var(--faint);
  font-family: var(--font-mono);
  white-space: nowrap;
}
.proj-links .case-link {
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}
.proj-links .case-link:hover { color: var(--acc-1); }
.proj-body h3 a { color: inherit; }
.proj-body h3 a:hover {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============================================================
   Compétences
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.skill-col h3 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--acc-1);
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.skill-col h3::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}
.skill-list { display: flex; flex-wrap: wrap; gap: 9px; }
.skill-list .chip { font-size: 0.8rem; padding: 7px 14px; }
.skill-list .chip.hot {
  border-color: rgba(138, 124, 255, 0.5);
  color: var(--text);
  background: rgba(138, 124, 255, 0.09);
}

/* ============================================================
   Contact
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 26px;
  align-items: start;
}
.contact-info .card { margin-bottom: 26px; }
.contact-line {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
}
.contact-line + .contact-line { border-top: 1px solid var(--border); }
.contact-line .ic {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(138, 124, 255, 0.12);
  color: var(--acc-1);
  flex-shrink: 0;
}
.contact-line .ic svg { width: 19px; height: 19px; }
.contact-line b { display: block; font-size: 0.8rem; color: var(--faint); font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; }
.contact-line a, .contact-line span.val { color: var(--text); font-size: 0.98rem; }
.contact-line a:hover { color: var(--acc-2); }

.form-card { padding: 34px 36px; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-grid .full { grid-column: span 2; }
.field label {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 500;
}
.field input, .field textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 13px 16px;
  font: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--acc-1);
  box-shadow: 0 0 0 3px rgba(138, 124, 255, 0.15);
}
.field textarea { resize: vertical; min-height: 130px; }
.form-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
  flex-wrap: wrap;
}
.form-note { font-size: 0.8rem; color: var(--faint); }
#formStatus {
  font-size: 0.9rem;
  font-weight: 600;
}
#formStatus.ok { color: var(--ok); }
#formStatus.err { color: var(--danger); }

/* ============================================================
   Footer
   ============================================================ */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 40px;
}
.foot-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.foot-grid p { margin: 0; color: var(--faint); font-size: 0.88rem; }
.foot-grid p a { color: var(--muted); }
.foot-grid p a:hover { color: var(--acc-2); }
.foot-links { display: flex; gap: 18px; }
.foot-links a { color: var(--muted); font-size: 0.88rem; }
.foot-links a:hover { color: var(--text); }
.to-top {
  position: fixed;
  right: 26px; bottom: 26px;
  z-index: 90;
  width: 46px; height: 46px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: rgba(10, 13, 22, 0.8);
  backdrop-filter: blur(8px);
  color: var(--text);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s, border-color 0.2s;
}
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { border-color: var(--acc-2); }

/* ============================================================
   Pages « étude de cas »
   Chaque page porte --h (teinte du projet) sur <body>.
   ============================================================ */
.case-page { --hue: var(--h, 262); }

/* ---------- Hero ---------- */
.case-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + 84px) 0 60px;
  border-bottom: 1px solid var(--border);
  isolation: isolate;
}
.case-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 150%;
  z-index: -2;
  background:
    radial-gradient(44rem 26rem at 78% 0%, hsla(var(--hue), 88%, 62%, .22), transparent 62%),
    radial-gradient(34rem 22rem at 4% 92%, hsla(calc(var(--hue) + 60), 82%, 58%, .13), transparent 60%);
}
.case-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(60rem 26rem at 60% 40%, #000 15%, transparent 78%);
  -webkit-mask-image: radial-gradient(60rem 26rem at 60% 40%, #000 15%, transparent 78%);
}
.case-ghost {
  position: absolute;
  right: -1.5%;
  bottom: -.22em;
  z-index: -1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(5rem, 13vw, 12rem);
  line-height: .8;
  letter-spacing: -.05em;
  white-space: nowrap;
  color: hsla(var(--hue), 90%, 72%, .075);
  pointer-events: none;
  user-select: none;
}
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--faint);
  margin-bottom: 30px;
}
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--acc-2); }
.crumb em { color: var(--text); font-style: normal; }

.case-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid hsla(var(--hue), 80%, 66%, .38);
  background: hsla(var(--hue), 80%, 60%, .1);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: hsl(var(--hue), 90%, 82%);
}
.case-badge i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: hsl(var(--hue), 85%, 68%);
}
.case-title {
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 4.6vw, 3.2rem);
  line-height: 1.06;
  letter-spacing: -.025em;
  font-weight: 700;
  margin: 20px 0 16px;
  max-width: 19ch;
}
.case-tagline {
  color: var(--muted);
  font-size: clamp(1rem, 1.55vw, 1.17rem);
  line-height: 1.6;
  max-width: 60ch;
  margin: 0 0 34px;
}

/* Bandeau de caractéristiques */
.case-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(9, 12, 20, .55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.case-meta-item {
  padding: 16px 20px;
  border-right: 1px solid var(--border);
}
.case-meta-item:last-child { border-right: none; }
.case-meta-item b {
  display: block;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 500;
  margin-bottom: 6px;
}
.case-meta-item span { color: var(--text); font-size: .93rem; line-height: 1.4; }
.case-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.case-actions .btn { padding: 12px 22px; font-size: .93rem; }

/* ---------- Corps : rail + contenu ---------- */
.case-main { padding: 68px 0 0; }
.case-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 60px;
  align-items: start;
}
.case-toc {
  position: sticky;
  top: calc(var(--nav-h) + 30px);
}
.case-toc p {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 14px;
}
.case-toc ol { list-style: none; margin: 0; padding: 0; }
.case-toc a {
  display: block;
  padding: 9px 0 9px 16px;
  border-left: 2px solid var(--border);
  color: var(--faint);
  font-size: .855rem;
  line-height: 1.35;
  transition: color .2s, border-color .2s, padding-left .2s;
}
.case-toc a:hover { color: var(--muted); }
.case-toc a.on {
  color: var(--text);
  border-left-color: hsl(var(--hue), 85%, 66%);
  padding-left: 20px;
}

.case-block {
  position: relative;
  margin-bottom: 62px;
  scroll-margin-top: calc(var(--nav-h) + 26px);
}
.case-block-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 22px;
}
.case-num {
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  color: hsl(var(--hue), 85%, 68%);
  letter-spacing: .06em;
  flex-shrink: 0;
  padding-top: .25em;
}
.case-block h2 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.72rem);
  letter-spacing: -.015em;
  line-height: 1.2;
  margin: 0;
}
.case-block p {
  color: var(--muted);
  margin: 0 0 16px;
  font-size: 1.01rem;
  line-height: 1.72;
}
.case-block > p:first-of-type {
  font-size: 1.075rem;
  color: #c3cbdd;
}
.case-block > p:last-child { margin-bottom: 0; }
.case-block p strong, .feature-card p strong, .challenge p strong { color: var(--text); font-weight: 600; }
.case-block em { color: var(--text); font-style: italic; }
.case-block code {
  font-family: var(--font-mono);
  font-size: .85em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  color: var(--acc-2);
}

/* ---------- Grille de fonctionnalités ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.feature-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  padding: 18px 20px;
  transition: border-color .25s, background .25s, transform .25s;
}
.feature-card:hover {
  border-color: hsla(var(--hue), 70%, 60%, .5);
  background: var(--surface-2);
  transform: translateY(-2px);
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: .99rem;
  margin: 0 0 7px;
  color: var(--text);
  display: flex;
  align-items: flex-start;
  gap: 9px;
  line-height: 1.3;
}
.feature-card h3::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 2px;
  background: var(--grad);
  flex-shrink: 0;
  margin-top: .42em;
}
.feature-card p { margin: 0; font-size: .91rem; color: var(--muted); line-height: 1.6; }

/* ---------- Défis numérotés ---------- */
.challenge-list { display: grid; gap: 12px; counter-reset: ch; }
.challenge {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  padding: 17px 22px 17px 60px;
  transition: border-color .25s, background .25s;
}
.challenge:hover { border-color: var(--border-strong); background: var(--surface-2); }
.challenge::before {
  counter-increment: ch;
  content: counter(ch, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 700;
  color: hsl(var(--hue), 85%, 66%);
}
.challenge h3 {
  font-family: var(--font-display);
  font-size: .99rem;
  margin: 0 0 6px;
  color: var(--text);
  line-height: 1.3;
}
.challenge p { margin: 0; font-size: .91rem; color: var(--muted); line-height: 1.6; }

/* ---------- Stack ---------- */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.stack-col {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  padding: 18px 20px;
}
.stack-col h3 {
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .13em;
  color: hsl(var(--hue), 80%, 72%);
  margin: 0 0 13px;
  font-weight: 600;
}

/* ---------- Note de confidentialité ---------- */
.case-note {
  display: flex;
  gap: 16px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .02);
  padding: 20px 24px;
  margin-bottom: 56px;
}
.case-note .ico {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: rgba(255, 184, 107, .12);
  color: var(--acc-3);
}
.case-note .ico svg { width: 17px; height: 17px; }
.case-note h3 {
  font-family: var(--font-display);
  font-size: .98rem;
  margin: 0 0 6px;
  color: var(--acc-3);
}
.case-note p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.6; }

/* ---------- Navigation projet suivant / précédent ---------- */
.case-pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding-top: 34px;
  border-top: 1px solid var(--border);
  margin-bottom: 80px;
}
.case-pager-link {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: border-color .25s, transform .25s, background .25s;
  display: flex;
  flex-direction: column;
}
.case-pager-link:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
  transform: translateY(-3px);
}
.pager-cover {
  height: 58px;
  background:
    radial-gradient(12rem 6rem at 80% -40%, hsla(var(--ph), 85%, 66%, .42), transparent 62%),
    linear-gradient(150deg, hsla(var(--ph), 45%, 16%, .95), rgba(9, 12, 20, .95));
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 20px;
}
.pager-cover span {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: hsla(var(--ph), 90%, 84%, .95);
}
.case-pager-link b {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
  padding: 16px 20px 18px;
}
.case-pager-link.next { text-align: right; }
.case-pager-link.next .pager-cover { justify-content: flex-end; }

/* ---------- CTA ---------- */
.case-cta { padding: 0 0 92px; }
.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    radial-gradient(28rem 15rem at 88% -40%, hsla(var(--hue), 80%, 62%, .18), transparent 62%),
    var(--surface);
  padding: 34px 38px;
}
.cta-card h2 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  letter-spacing: -.01em;
  margin: 0 0 8px;
}
.cta-card p { margin: 0; color: var(--muted); }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Responsive études de cas ---------- */
@media (max-width: 1100px) {
  .case-layout { grid-template-columns: 1fr; gap: 0; }
  .case-toc { display: none; }
}
@media (max-width: 900px) {
  .case-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-meta-item:nth-child(2n) { border-right: none; }
  .case-meta-item:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
}
@media (max-width: 760px) {
  .case-hero { padding: calc(var(--nav-h) + 44px) 0 44px; }
  .case-ghost { font-size: 4.5rem; opacity: .7; }
  .case-meta { grid-template-columns: 1fr; }
  .case-meta-item { border-right: none; border-bottom: 1px solid var(--border); }
  .case-meta-item:last-child { border-bottom: none; }
  .feature-grid, .stack-grid, .case-pager { grid-template-columns: 1fr; }
  .case-pager-link.next { text-align: left; }
  .case-pager-link.next .pager-cover { justify-content: flex-start; }
  .case-main { padding-top: 48px; }
  .case-block { margin-bottom: 46px; }
  .case-block-head { gap: 12px; }
  .cta-card { padding: 26px 22px; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { flex: 1; justify-content: center; }
  .case-note { flex-direction: column; gap: 12px; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .term { max-width: 560px; transform: none; }
  .projects-grid, .services-grid, .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 300px 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  section { padding: 76px 0; }
  .nav-links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(7, 9, 15, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 18px 24px 26px;
    gap: 6px;
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s, opacity 0.25s;
  }
  body.nav-open .nav-links {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a { display: block; padding: 13px 16px; font-size: 1rem; }
  #navToggle { display: block; }
  .nav-cta { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 340px; }
  .bento, .projects-grid, .services-grid, .skills-grid, .form-grid, .contact-grid { grid-template-columns: 1fr; }
  .bento .span-2, .form-grid .full { grid-column: auto; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .process { grid-template-columns: 1fr; }
  .form-card { padding: 26px 22px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .term { font-size: 0.72rem; }
}

/* Accessibilité --------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}
:focus-visible {
  outline: 2px solid var(--acc-2);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Scrollbar ------------------------------------------------- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: rgba(138, 124, 255, 0.5); }