/* Base */
html, body { margin: 0; }
img { max-width: 100%; }
[hidden] { display: none !important; }
:root { padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }

/* Layout : une colonne éditoriale (max 1080px), héros en deux parties texte + carte code, sections séparées par des filets fins. */
:root {
  --bg: #f5f6f9;
  --surface: #ffffff;
  --ink: #141620;
  --muted: #5a6072;
  --line: #dde0e9;
  --accent: #4a37cf;
  --accent-soft: #ebe9fb;
  --code-bg: #171a26;
  --code-ink: #d9dcea;
  --code-key: #b3a8ff;
  --code-str: #8fd6b4;
  --code-num: #f2b880;
  --code-dim: #7b8199;
  --ok: #1f8a5b;

  --f-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --f-body: "Figtree", "Segoe UI", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --step--1: 0.8125rem;
  --step-0: 1rem;
  --step-1: 1.1875rem;
  --step-2: 1.5rem;
  --step-3: clamp(1.75rem, 1.3rem + 2vw, 2.5rem);
  --step-4: clamp(2.5rem, 1.6rem + 4.4vw, 4.5rem);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1016; --surface: #161924; --ink: #e9eaf2; --muted: #9ba0b4; --line: #272b39;
    --accent: #9d90ff; --accent-soft: #221f3d; --code-bg: #0a0c12; --ok: #4cc48d;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e1016; --surface: #161924; --ink: #e9eaf2; --muted: #9ba0b4; --line: #272b39;
  --accent: #9d90ff; --accent-soft: #221f3d; --code-bg: #0a0c12; --ok: #4cc48d;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--f-body); font-size: var(--step-0); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--bg); }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap {
  max-width: 1080px; margin-inline: auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}

/* Navigation */
.nav {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; }
.brand { font-family: var(--f-display); font-weight: 800; font-size: var(--step-1); text-decoration: none; letter-spacing: -0.02em; }
.brand span { color: var(--accent); }
.nav ul { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; font-size: 0.9375rem; color: var(--muted); }
.nav ul a { text-decoration: none; }
.nav ul a:hover { color: var(--ink); }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 0.9375rem/1 var(--f-body); text-decoration: none; cursor: pointer;
  padding: 12px 18px; border-radius: 10px; border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
:root[data-theme="dark"] .btn-primary { color: #0e1016; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn-primary { color: #0e1016; } }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 88%, var(--ink)); }
.btn-ghost { border-color: var(--line); background: var(--surface); }
.btn-ghost:hover { border-color: var(--muted); }
.nav .btn { padding: 9px 14px; }
@media (max-width: 760px) { .nav ul { display: none; } }

/* Héros */
.hero { padding-block: clamp(40px, 7vw, 88px) clamp(40px, 6vw, 72px); }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.status {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 var(--step--1)/1 var(--f-mono); color: var(--muted);
  padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface);
}
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 22%, transparent); }
h1 {
  font-family: var(--f-display); font-weight: 800; font-size: var(--step-4);
  line-height: 1.02; letter-spacing: -0.035em; margin: 20px 0 16px; text-wrap: balance;
}
h1 em { font-style: normal; color: var(--accent); }
.lede { font-size: var(--step-1); color: var(--muted); max-width: 34em; margin: 0 0 28px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 32px 0 0; padding: 0; list-style: none; }
.facts li { display: grid; }
.facts b { font: 700 var(--step-2)/1.1 var(--f-display); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.facts span { font-size: var(--step--1); color: var(--muted); }

.card-code {
  background: var(--code-bg); color: var(--code-ink); border-radius: 16px;
  box-shadow: 0 30px 60px -30px rgba(20, 16, 70, .45);
  overflow: hidden; min-width: 0;
}
.card-code header { display: flex; align-items: center; gap: 14px; padding: 18px 20px; border-bottom: 1px solid rgba(255,255,255,.07); }
.card-code img { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; flex: none; border: 2px solid rgba(255,255,255,.12); }
.card-code header div { display: grid; line-height: 1.3; min-width: 0; }
.card-code header b { font: 600 1rem var(--f-body); color: #fff; }
.card-code header span { font: 400 0.75rem var(--f-mono); color: var(--code-dim); }
.card-code pre { margin: 0; padding: 20px; overflow-x: auto; font: 400 0.84rem/1.75 var(--f-mono); }
.k { color: var(--code-key); } .s { color: var(--code-str); } .n { color: var(--code-num); } .c { color: var(--code-dim); }

@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; } }

/* Sections */
section.block { padding-block: clamp(48px, 7vw, 88px); border-top: 1px solid var(--line); }
.eyebrow { font: 500 var(--step--1)/1 var(--f-mono); color: var(--accent); letter-spacing: 0.04em; text-transform: uppercase; margin: 0 0 12px; }
h2 { font: 800 var(--step-3)/1.1 var(--f-display); letter-spacing: -0.03em; margin: 0 0 16px; text-wrap: balance; }
.intro { color: var(--muted); max-width: 40em; margin: 0 0 40px; }

.services { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; }
.service { padding-block: 22px; border-top: 1px solid var(--line); }
.service h3 { font: 700 var(--step-1)/1.3 var(--f-display); margin: 0 0 6px; letter-spacing: -0.01em; }
.service p { margin: 0; color: var(--muted); }
@media (max-width: 680px) { .services { grid-template-columns: 1fr; } }

.skills { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px 40px; }
.skills h3 { font: 500 var(--step--1)/1 var(--f-mono); color: var(--muted); margin: 0 0 12px; letter-spacing: .03em; text-transform: uppercase; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.chips li { font: 500 0.875rem/1 var(--f-body); padding: 8px 12px; border-radius: 8px; background: var(--surface); border: 1px solid var(--line); }
.chips li.main { background: var(--accent-soft); border-color: transparent; color: var(--accent); }
@media (max-width: 860px) { .skills { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .skills { grid-template-columns: 1fr; } }

/* Parcours : liste chronologique façon journal */
.timeline { list-style: none; margin: 0; padding: 0; display: grid; }
.timeline > li { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 8px 32px; padding-block: 24px; border-top: 1px solid var(--line); }
.when { font: 400 0.8125rem/1.6 var(--f-mono); color: var(--muted); font-variant-numeric: tabular-nums; padding-top: 3px; }
.role { font: 700 var(--step-1)/1.3 var(--f-display); margin: 0; letter-spacing: -0.01em; }
.org { color: var(--muted); margin: 2px 0 10px; }
.org b { color: var(--ink); font-weight: 600; }
.missions { list-style: none; margin: 4px 0 12px; padding: 0 0 0 16px; border-left: 2px solid var(--accent-soft); display: grid; gap: 10px; }
.missions b { font-weight: 600; }
.missions span { display: block; font: 400 0.8125rem var(--f-mono); color: var(--muted); }
.tag { display: inline-block; font: 500 0.6875rem/1 var(--f-mono); padding: 4px 7px; border-radius: 5px; background: var(--accent-soft); color: var(--accent); vertical-align: 2px; margin-left: 6px; }
.stack { font: 400 0.8125rem/1.6 var(--f-mono); color: var(--muted); margin: 0; }
.desc { margin: 0 0 8px; }
@media (max-width: 640px) { .timeline > li { grid-template-columns: 1fr; gap: 4px; } }

.edu { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.edu article { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.edu h3 { font: 700 var(--step-1)/1.3 var(--f-display); margin: 6px 0 4px; }
.edu p { margin: 0; color: var(--muted); }
@media (max-width: 640px) { .edu { grid-template-columns: 1fr; } }

/* Contact */
.contact .wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.mailbox { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 24px; padding: 14px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.mailbox code { font: 500 0.9375rem var(--f-mono); user-select: all; overflow-wrap: anywhere; min-width: 0; flex: 1 1 200px; }
.mailbox button { font: 600 0.8125rem var(--f-body); padding: 8px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); cursor: pointer; }
.links { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 18px; font-size: 0.9375rem; }
.links a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
form { display: grid; gap: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: clamp(18px, 3vw, 28px); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 520px) { .row { grid-template-columns: 1fr; } }
label { display: grid; gap: 6px; font: 600 0.875rem var(--f-body); }
input, textarea, select {
  font: 400 1rem var(--f-body); color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 10px; padding: 11px 13px; width: 100%;
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
textarea { min-height: 130px; resize: vertical; }
.note { font-size: 0.875rem; color: var(--muted); margin: 0; }
.note.ok { color: var(--ok); }
@media (max-width: 860px) { .contact .wrap { grid-template-columns: 1fr; } }

.missions > li { display: grid; gap: 2px; }
.missions > li + li { padding-top: 14px; }
.missions .desc { margin: 6px 0 4px; }
.points { margin: 4px 0 10px; padding-left: 18px; display: grid; gap: 4px; }
.points li::marker { color: var(--accent); }
.projects { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; }
.projects > div { padding-block: 18px; border-top: 1px solid var(--line); }
.projects h3 { font: 700 var(--step-1)/1.3 var(--f-display); margin: 0 0 4px; }
.projects p { margin: 0; color: var(--muted); }
@media (max-width: 680px) { .projects { grid-template-columns: 1fr; } }
footer { border-top: 1px solid var(--line); }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-block: 28px; font-size: 0.875rem; color: var(--muted); }
footer a { color: var(--muted); }

/* Pages secondaires */
.page { padding-block: clamp(40px, 7vw, 80px); }
.page .wrap { max-width: 760px; }
.page h2 { font-size: var(--step-2); margin-top: 40px; }
.page p, .page li { color: var(--muted); }
.page strong { color: var(--ink); }
.todo { background: var(--accent-soft); color: var(--accent); padding: 1px 6px; border-radius: 4px; font-weight: 600; }