/* Daniel Doman — portfolio. Dark moderne. */

:root {
  --bg: #0a0e17;
  --bg-2: #0e1422;
  --surface: #121a2b;
  --surface-2: #16203400;
  --line: rgba(255,255,255,.08);
  --line-strong: rgba(255,255,255,.14);
  --text: #e8edf5;
  --muted: #94a3b8;
  --muted-dim: #6b7890;
  --accent: #4d9fff;
  --accent-2: #8b5cf6;
  --accent-soft: rgba(77,159,255,.14);
  --max: 1120px;
  --radius: 16px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --display: "Space Grotesk", var(--font);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

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

.container { max-width: var(--max); margin: 0 auto; padding: 0 28px; position: relative; }
.container-narrow { max-width: 680px; }
.center { text-align: center; }

/* ---------- Background decor ---------- */
.bg-decor { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.glow { position: absolute; border-radius: 50%; filter: blur(120px); opacity: .5; }
.glow-1 { width: 600px; height: 600px; top: -180px; left: -120px;
  background: radial-gradient(circle, rgba(77,159,255,.45), transparent 70%); }
.glow-2 { width: 560px; height: 560px; top: 420px; right: -160px;
  background: radial-gradient(circle, rgba(139,92,246,.38), transparent 70%); }
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}

/* ---------- Navigation ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,14,23,.72);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--max); margin: 0 auto; padding: 15px 28px;
  display: flex; align-items: center; gap: 24px;
}
.nav-brand {
  font-family: var(--display); font-weight: 700; font-size: 1.05rem; letter-spacing: .2px;
  display: flex; align-items: center; gap: 9px; margin-right: auto;
}
.nav-brand .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 12px var(--accent);
}
.nav-links { display: flex; gap: 26px; }
.nav-links a { color: var(--muted); font-size: .92rem; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 9px 18px; border-radius: 9px; font-size: .9rem; font-weight: 600;
  color: var(--text); border: 1px solid var(--line-strong); transition: all .2s;
}
.nav-cta:hover { border-color: var(--accent); color: #fff; background: var(--accent-soft); }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 88px; }
.hero-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 28px;
  display: grid; grid-template-columns: 1.55fr 1fr; gap: 56px; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: .82rem; font-weight: 500; color: var(--muted);
  padding: 7px 14px; border: 1px solid var(--line); border-radius: 100px;
  background: rgba(255,255,255,.02); margin-bottom: 26px;
}
.pulse {
  width: 8px; height: 8px; border-radius: 50%; background: #34d399;
  box-shadow: 0 0 0 0 rgba(52,211,153,.6); animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52,211,153,.5); }
  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 h1 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4.3rem); line-height: 1.04; letter-spacing: -.02em;
  margin-bottom: 24px;
}
.grad {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: 1.18rem; color: var(--muted); max-width: 48ch; margin-bottom: 26px; }
.pills { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.pill {
  font-size: .85rem; font-weight: 500; color: var(--text);
  padding: 7px 15px; border-radius: 100px;
  border: 1px solid var(--line-strong); background: rgba(255,255,255,.03);
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-photo { display: flex; justify-content: center; }
.photo-ring {
  padding: 5px; border-radius: 50%;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 60px rgba(77,159,255,.35);
}
.photo-ring img {
  width: 250px; height: 250px; object-fit: cover; border-radius: 50%;
  border: 4px solid var(--bg);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 13px 26px; border-radius: 11px;
  font-weight: 600; font-size: .96rem; transition: transform .15s, box-shadow .25s, background .2s, border-color .2s;
}
.btn-primary {
  color: #061021; background: linear-gradient(100deg, var(--accent), #6ab0ff);
  box-shadow: 0 8px 24px rgba(77,159,255,.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(77,159,255,.45); }
.btn-ghost { color: var(--text); border: 1px solid var(--line-strong); }
.btn-ghost:hover { border-color: var(--accent); background: var(--accent-soft); }

/* ---------- Sections ---------- */
.section { padding: 86px 0; position: relative; }
.kicker {
  font-family: var(--display); font-size: .82rem; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--muted-dim); margin-bottom: 14px;
}
.kicker-accent { color: var(--accent); }
.section-title {
  font-family: var(--display); font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 700; letter-spacing: -.02em; margin-bottom: 34px; line-height: 1.12;
}
.feature-lead {
  font-size: 1.3rem; font-weight: 600; color: var(--text); margin: -16px 0 24px;
}
.prose p { color: var(--muted); margin-bottom: 16px; max-width: 72ch; font-size: 1.05rem; }
.prose p:last-child { margin-bottom: 0; }
.center .prose p { margin-left: auto; margin-right: auto; }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cards-3 { margin-top: 30px; }
.card {
  position: relative; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; overflow: hidden;
  transition: transform .2s, border-color .25s, box-shadow .25s;
}
.card:hover {
  transform: translateY(-4px); border-color: var(--line-strong);
  box-shadow: 0 16px 40px rgba(0,0,0,.4);
}
.card-bar {
  width: 36px; height: 3px; border-radius: 3px; margin-bottom: 18px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.card h3 { font-family: var(--display); font-size: 1.12rem; font-weight: 600; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .98rem; }
.card-num {
  display: inline-block; font-family: var(--display); font-size: .85rem; font-weight: 700;
  letter-spacing: 1px; color: var(--accent); margin-bottom: 14px;
}
.card-glow::before {
  content: ""; position: absolute; inset: 0; border-radius: var(--radius);
  padding: 1px; background: linear-gradient(140deg, rgba(77,159,255,.5), transparent 50%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}

/* ---------- Feature section (Formation IA) ---------- */
.section-feature {
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(77,159,255,.08), transparent 70%),
    var(--bg-2);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.formats-note { margin-top: 26px; color: var(--muted-dim); font-size: .96rem; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 30px; }
.timeline::before {
  content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2), transparent);
  opacity: .5;
}
.tl-item { position: relative; padding: 0 0 36px 24px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: -29px; top: 5px; width: 13px; height: 13px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent); box-shadow: 0 0 12px rgba(77,159,255,.7);
}
.tl-period {
  font-family: var(--display); font-size: .85rem; font-weight: 600; letter-spacing: .5px;
  color: var(--accent); margin-bottom: 6px;
}
.tl-body h3 { font-family: var(--display); font-size: 1.18rem; font-weight: 600; margin-bottom: 3px; }
.tl-org { color: var(--text); font-weight: 500; font-size: .98rem; margin-bottom: 10px; opacity: .85; }
.tl-body > p:last-child { color: var(--muted); font-size: 1rem; }
.parcours-note { margin-top: 30px; color: var(--muted-dim); font-size: .95rem; font-style: italic; }

/* ---------- Degrees ---------- */
.degrees { list-style: none; display: flex; flex-direction: column; gap: 14px; max-width: 80ch; }
.degrees li { position: relative; padding-left: 24px; color: var(--muted); font-size: 1.04rem; }
.degrees li::before {
  content: ""; position: absolute; left: 0; top: 11px; width: 9px; height: 9px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.degrees strong { color: var(--text); font-weight: 600; }

/* ---------- Contact ---------- */
.contact-actions { margin-top: 28px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer { padding: 36px 0; border-top: 1px solid var(--line); }
.footer p { color: var(--muted-dim); font-size: .9rem; text-align: center; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .pulse { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-photo { order: -1; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .pills, .hero-actions { justify-content: center; }
  .cards { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 600px) {
  .cards { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero { padding: 64px 0 56px; }
  .nav-cta { display: none; }
  .photo-ring img { width: 200px; height: 200px; }
}