/* ===== Portfolio - Brundon Ewanye (v2) =====
   Polices système uniquement : la CSP du site n'autorise aucune ressource externe. */

:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface2: #f3f5fb;
  --ink: #0b1020;
  --text: #1e293b;
  --muted: #5b6479;
  --line: #dfe4f1;
  --accent: #4f46e5;
  --accent2: #0f766e;
  --accent-soft: #eef0ff;
  --ok: #16a34a;
  --shadow: 0 1px 2px rgba(15,23,42,.04), 0 10px 30px rgba(15,23,42,.06);
  --radius: 22px;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
:root[data-theme="dark"] {
  --bg: #070b16;
  --surface: #0f1730;
  --surface2: #131c38;
  --ink: #f1f5ff;
  --text: #dbe3f5;
  --muted: #93a0bf;
  --line: rgba(255,255,255,.09);
  --accent: #8b93ff;
  --accent2: #2dd4bf;
  --accent-soft: rgba(139,147,255,.13);
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 14px 36px rgba(0,0,0,.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background-color .3s ease, color .3s ease;
}
a { color: var(--accent); }
code { font-family: var(--mono); font-size: .88em; background: var(--accent-soft); color: var(--accent); padding: .1rem .4rem; border-radius: 6px; }

/* ===== Boutons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 44px; padding: .6rem 1.15rem; border-radius: 12px;
  font: 600 .95rem var(--sans); text-decoration: none; border: 1px solid transparent; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-sm { min-height: 38px; padding: .4rem .9rem; font-size: .88rem; }
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-outline { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-outline:hover { border-color: var(--accent); }
.btn-light { background: #fff; color: #0b1020; }
.btn-glass { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.22); color: #fff; }
.btn-glass:hover { background: rgba(255,255,255,.14); }

/* ===== Navigation ===== */
nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .7rem 1.5rem;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(16px) saturate(160%); -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
nav .brand { font: 700 1.15rem var(--mono); color: var(--ink); text-decoration: none; letter-spacing: -.02em; }
nav .brand span { color: var(--accent); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
nav ul { list-style: none; display: flex; gap: .15rem; }
nav ul a { color: var(--muted); text-decoration: none; font-size: .88rem; font-weight: 600; padding: .4rem .75rem; border-radius: 999px; }
nav ul a:hover { color: var(--accent); background: var(--accent-soft); }
.nav-right { display: flex; align-items: center; gap: .6rem; }
#theme-toggle {
  width: 38px; height: 38px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); cursor: pointer; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
}

/* ===== En-tête (toujours sombre) ===== */
.hero {
  position: relative; overflow: hidden; color: #e6ebf8;
  padding: 4.5rem 1.25rem 3.5rem;
  background:
    radial-gradient(circle at 12% 0%, rgba(99,102,241,.35), transparent 45%),
    radial-gradient(circle at 92% 20%, rgba(45,212,191,.18), transparent 40%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 44px),
    #0a1024;
}
.hero-inner { max-width: 980px; margin: 0 auto; }
.pill {
  display: inline-flex; align-items: center; gap: .6rem; padding: .45rem 1rem; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.06);
  font: .85rem var(--mono); color: #cdd6f0;
}
.dot { width: 9px; height: 9px; border-radius: 50%; background: #34d399; box-shadow: 0 0 10px #34d399; flex-shrink: 0; }
.hero h1 { font-size: clamp(2.5rem, 7vw, 4rem); line-height: 1.05; letter-spacing: -.035em; color: #fff; margin: 1.4rem 0 .6rem; }
.hero .role { font-size: clamp(1.05rem, 2.6vw, 1.35rem); font-weight: 600; color: #a5b4fc; }
.hero .lead { max-width: 680px; margin-top: 1rem; color: #aab4cf; }
.facts { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem 1.6rem; margin-top: 1.3rem; font: .88rem var(--mono); color: #cdd6f0; }
.cta { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.8rem; }

.term {
  margin-top: 2.4rem; max-width: 640px; border-radius: 16px; overflow: hidden;
  background: #070b14; border: 1px solid rgba(255,255,255,.1); box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
.term-bar { display: flex; align-items: center; gap: .45rem; padding: .7rem 1rem; background: #0e1424; border-bottom: 1px solid rgba(255,255,255,.07); font: .8rem var(--mono); color: #7b86a6; }
.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: .6rem; }
.term-body { padding: 1.1rem 1.2rem; font: .9rem/1.75 var(--mono); color: #8e9ab8; white-space: pre-wrap; word-break: break-word; }
.term-body .p { color: #8b93ff; }
.term-body .c { color: #7dd3fc; }
.term-body .ok { color: #34d399; }

/* ===== Mise en page ===== */
main { max-width: 980px; margin: 0 auto; padding: 1rem 1.25rem 2rem; }
html.js-ready section { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
html.js-ready section.visible { opacity: 1; transform: none; }
section.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; box-shadow: var(--shadow); margin: 1.25rem 0;
}
.card-head { display: flex; align-items: center; gap: .85rem; margin-bottom: 1.1rem; }
.ico { width: 44px; height: 44px; flex-shrink: 0; border-radius: 13px; background: var(--accent-soft); display: grid; place-items: center; font-size: 1.3rem; }
section.card h2 { font-size: 1.35rem; line-height: 1.25; color: var(--ink); letter-spacing: -.01em; }
.card h3 { font-size: 1.02rem; color: var(--ink); margin: 1.4rem 0 .5rem; }
.card p { margin-bottom: .8rem; }
.muted { color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .9rem; }
.tag {
  font: .82rem var(--mono); padding: .3rem .75rem; border-radius: 10px;
  background: var(--surface2); border: 1px solid var(--line); color: var(--text);
}
.tag.learning { border-style: dashed; color: var(--muted); }
.group { margin-top: 1.1rem; }
.group h3 { margin: 0 0 .1rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .07em; color: var(--accent); }

/* ===== Frise d'expérience ===== */
.timeline { display: grid; gap: 1rem; }
.entry { border-left: 3px solid var(--accent); padding: .1rem 0 .1rem 1rem; }
.entry h3 { margin: 0; font-size: 1.05rem; }
.entry .when { font: .83rem var(--mono); color: var(--muted); }

/* ===== Travaux ===== */
.jobs { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.job { display: flex; flex-direction: column; gap: .35rem; padding: 1.15rem 1.25rem; border-radius: 16px; background: var(--surface2); border: 1px solid var(--line); }
.job.feat { grid-column: 1 / -1; border-color: var(--accent); background: linear-gradient(135deg, var(--accent-soft), var(--surface2)); }
.status { font: .78rem var(--mono); color: var(--muted); }
.status::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); margin-right: .5rem; }
.job h3 { margin: .1rem 0 .2rem; font-size: 1.05rem; }
.job ul { padding-left: 1.15rem; color: var(--muted); font-size: .92rem; }
.job li { margin-bottom: .3rem; }
.job .tags { margin-top: .5rem; }
.job .more { margin-top: auto; padding-top: .7rem; font: .85rem var(--mono); text-decoration: none; font-weight: 600; }
.job .more:hover { text-decoration: underline; }

/* ===== Sécurité ===== */
.layers { list-style: none; counter-reset: layer; display: grid; gap: 1rem; }
.layers li { display: grid; grid-template-columns: 36px 1fr; gap: .9rem; counter-increment: layer; }
.layers li::before {
  content: counter(layer); width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  font: 700 .9rem var(--mono); background: var(--accent); color: var(--bg);
}
.layers strong { display: block; color: var(--ink); }
.layers span { color: var(--muted); font-size: .94rem; }
.figure { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 1rem; text-align: center; margin-top: 1rem; }
.figure img { max-width: 520px; width: 100%; height: auto; }
.proofs { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); margin-top: .5rem; }
.proofs figure a { display: block; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: #fff; }
.proofs img { display: block; width: 100%; height: 230px; object-fit: cover; object-position: top; }
.proofs figcaption { font-size: .86rem; color: var(--muted); margin-top: .45rem; }
pre.code {
  background: #070b14; color: #cbd5e1; border-radius: 14px; padding: 1rem 1.1rem; overflow: auto;
  font: .85rem/1.7 var(--mono); margin: .5rem 0 1rem; border: 1px solid rgba(255,255,255,.08);
}
pre.code .ok { color: #34d399; }
pre.code .d { color: #7b86a6; }
.lessons { padding-left: 1.2rem; display: grid; gap: .6rem; }
.lessons li { color: var(--text); }
.screenshot { max-width: 100%; border-radius: 12px; border: 1px solid var(--line); margin-top: .5rem; }

/* ===== Eau Vive / contact ===== */
.badge-team { display: inline-block; font: .78rem var(--mono); padding: .25rem .7rem; border-radius: 999px; background: var(--accent-soft); color: var(--accent); margin-bottom: .6rem; }
.contact-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1rem; }
.where { font: .88rem var(--mono); color: var(--muted); margin-top: 1rem; }

footer { text-align: center; padding: 2.2rem 1rem 3rem; color: var(--muted); font-size: .85rem; }
.back-to-top {
  position: fixed; right: 1.1rem; bottom: 1.1rem; z-index: 90; width: 46px; height: 46px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; text-decoration: none; font-size: 1.1rem;
  background: var(--ink); color: var(--bg); box-shadow: var(--shadow);
}

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (max-width: 800px) {
  nav ul { display: none; }
  nav { padding: .6rem 1rem; }
  .hero { padding: 3rem 1.1rem 2.5rem; }
  section.card { padding: 1.25rem; border-radius: 18px; }
  .cta .btn { flex: 1 1 calc(50% - .7rem); }
  .term-body { font-size: .82rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  nav .brand span { animation: none; }
  html.js-ready section { transition: none; }
}

.portrait { float: right; width: 140px; height: 140px; border-radius: 50%; object-fit: cover; margin: 0 0 .6rem 1.2rem; border: 3px solid var(--accent); }
@media (max-width: 800px) { .portrait { width: 96px; height: 96px; margin-left: .9rem; } }