/* Concept : la page comme un plan de cours bien tenu. Marine et céruléen, les mêmes couleurs que le CV. */
:root {
  --paper: #f4f6f9;
  --sheet: #ffffff;
  --ink: #1b2f4b;
  --ink-soft: #5b6573;
  --rule: #d9dee5;
  --accent: #0b7a99;
  --accent-bright: #0f8fb3;
  --marker: #bfe7f3;
  --marker-ink: #1b2f4b;
  --todo: #fff1c2;
  --font-display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --font-body: "Literata", Georgia, "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --measure: 66ch;
  --wrap: 72rem;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1a2b; --sheet: #16243a; --ink: #e8ecf6; --ink-soft: #a6b0c8;
    --rule: #2b3653; --accent: #5cc8e6; --accent-bright: #5cc8e6; --marker: #1f6f87; --marker-ink: #10162a; --todo: #4a3f12;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1a2b; --sheet: #16243a; --ink: #e8ecf6; --ink-soft: #a6b0c8;
  --rule: #2b3653; --accent: #5cc8e6; --accent-bright: #5cc8e6; --marker: #1f6f87; --marker-ink: #10162a; --todo: #4a3f12;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 1.0625rem/1.65 var(--font-body);
}
img { max-width: 100%; }
a { color: var(--accent); text-underline-offset: .2em; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 2px;
}
h1, h2, h3 { font-family: var(--font-display); line-height: 1.12; text-wrap: balance; margin: 0; letter-spacing: -.01em; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.9rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.25rem); font-weight: 650; }
h3 { font-size: 1.25rem; font-weight: 650; }
p { margin: 0; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: clamp(16px, 4vw, 40px); }
.prose { max-width: var(--measure); display: grid; gap: 1rem; }
.prose ul, .prose ol { margin: 0; padding-left: 1.2em; display: grid; gap: .4rem; }
.label {
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-soft);
}
.mark { background: linear-gradient(transparent 55%, var(--marker) 55%, var(--marker) 92%, transparent 92%); color: inherit; padding-inline: .1em; }
.todo { background: var(--todo); border-radius: 3px; padding: 0 .25em; font-family: var(--font-mono); font-size: .88em; }

/* En-tête */
.site-head {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule);
}
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .8rem; flex-wrap: wrap; }
.brand { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.brand small { display: block; font-family: var(--font-mono); font-weight: 400; font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft); }
.nav { display: flex; flex-wrap: wrap; gap: .25rem 1.1rem; font-family: var(--font-display); font-size: .97rem; }
.nav a { color: var(--ink); text-decoration: none; padding-block: .2rem; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--marker); }

/* Boutons */
.btns { display: flex; flex-wrap: wrap; gap: .75rem; }
.btn {
  display: inline-block; font-family: var(--font-display); font-weight: 600; font-size: 1rem;
  padding: .75rem 1.2rem; border-radius: 6px; text-decoration: none; border: 2px solid var(--ink);
  background: var(--ink); color: var(--paper); cursor: pointer;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: var(--sheet); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--marker); border-color: var(--ink); color: var(--marker-ink); }

/* Sections */
section { padding-block: clamp(3rem, 7vw, 5.5rem); }
section + section { border-top: 1px solid var(--rule); }
.sec-head { display: grid; gap: .6rem; margin-bottom: 2rem; max-width: var(--measure); }
.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 58ch; }

/* Héro */
.hero { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero-text { display: grid; gap: 1.4rem; }
.objective {
  background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; padding: 1.4rem 1.5rem;
  display: grid; gap: .8rem; font-size: 1rem;
}
.objective ol { margin: 0; padding-left: 1.3em; display: grid; gap: .5rem; }
.objective b { font-family: var(--font-display); }

/* Grilles */
.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }
.card { background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; padding: 1.5rem; display: grid; gap: .7rem; align-content: start; min-width: 0; }
.card a.more { font-family: var(--font-display); font-weight: 600; }
.facts { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr)); }
.fact { border-top: 3px solid var(--accent-bright); padding-top: .7rem; display: grid; gap: .2rem; }
.fact strong { font-family: var(--font-display); font-size: 2rem; color: var(--accent-bright); font-variant-numeric: tabular-nums; }
.places { display: flex; flex-wrap: wrap; gap: .5rem; }
.places span { border: 1px solid var(--rule); border-radius: 999px; padding: .3rem .8rem; font-size: .92rem; background: var(--sheet); }

/* Étapes (processus réel, donc numéroté) */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); counter-reset: s; }
.steps li { counter-increment: s; display: grid; gap: .4rem; padding: 1.1rem 1.2rem; border-left: 3px solid var(--marker); background: var(--sheet); }
.steps li::before { content: "Étape " counter(s); font-family: var(--font-mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }

/* Tableaux */
.table-scroll { overflow-x: auto; border: 1px solid var(--rule); border-radius: 8px; background: var(--sheet); }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-family: var(--font-display); font-weight: 600; background: var(--paper); }
tr:last-child td { border-bottom: 0; }
td.n { font-variant-numeric: tabular-nums; white-space: nowrap; }

/* Étude de cas */
.case-meta { display: grid; gap: .3rem 1.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; padding: 1.2rem 1.4rem; }
.case-meta div { display: grid; gap: .1rem; min-width: 0; }
.case-body { display: grid; gap: 2.5rem; max-width: var(--measure); }
.case-body h2 { font-size: 1.5rem; margin-bottom: .6rem; }
.dialogue { background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; padding: 1.2rem 1.4rem; display: grid; gap: .6rem; }
.dialogue .best { background: var(--todo); padding: .1rem .3rem; border-radius: 3px; }
.note { font-size: .92rem; color: var(--ink-soft); border-left: 3px solid var(--rule); padding-left: .9rem; }

/* Formulaire */
form { display: grid; gap: 1rem; max-width: 36rem; }
.field { display: grid; gap: .35rem; }
.field label { font-family: var(--font-display); font-weight: 600; font-size: .95rem; }
input, textarea, select { font: inherit; color: var(--ink); background: var(--sheet); border: 1px solid var(--rule); border-radius: 6px; padding: .65rem .8rem; width: 100%; }
textarea { min-height: 9rem; resize: vertical; }
.form-msg { font-family: var(--font-display); }

/* Pied */
.site-foot { border-top: 1px solid var(--rule); padding-block: 2rem; font-size: .92rem; color: var(--ink-soft); }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }
.cta-band { background: var(--ink); color: var(--paper); }
.cta-band h2 { color: var(--paper); }
.cta-band .lede { color: color-mix(in srgb, var(--paper) 80%, var(--ink)); }
.cta-band .btn { background: var(--marker); color: var(--marker-ink); border-color: var(--marker); }
.cta-band .btn.ghost { background: transparent; color: var(--paper); border-color: var(--paper); }
.cta-band .inner { display: grid; gap: 1.2rem; }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; }
  body { font-size: 1rem; }
}
@media (prefers-reduced-motion: no-preference) {
  .btn, .nav a { transition: background-color .15s, border-color .15s, color .15s; }
}

.workstyle { margin-top: 1.5rem; font-family: var(--font-display); font-weight: 600; color: var(--ink); }
@media (min-width: 720px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
.nav a.lang { font-family: var(--font-mono); font-size: .85rem; border: 1px solid var(--rule); border-radius: 999px; padding: .1rem .55rem; }
.nav a.lang:hover { border-color: var(--accent); }