/* Portfolio Moussa Diallo, v11
   Charte apaisante et rassurante. Fond clair légèrement teinté, panneaux
   blancs aux angles arrondis, encre bleu nuit, accent bleu pétrole #1D5F73.
   Titres en Source Serif 4, corps en Inter, DM Mono pour les repères.
   Les schémas SVG des études gardent leurs verts, proches de la palette. */

:root {
  --bg: #F5F8F8;
  --ink: #1E2A32;
  --ink-2: #57666F;
  --accent: #1D5F73;
  --accent-bg: #E7F1F4;
  --accent-dark: #133F4D;
  --rule: #DCE4E6;
  --white: #FFFFFF;
  --paper: #FFFFFF;
  --amber: #A97E2F;
  --mono: 'DM Mono', ui-monospace, monospace;
  --sans: 'Inter', system-ui, sans-serif;
  --serif: 'Source Serif 4', Georgia, serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--bg); color: var(--ink); font-size: 16px; line-height: 1.65; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
img { max-width: 100%; height: auto; display: block; }

/* Accessibilité : lien d'évitement */
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 200; background: var(--accent); color: #FFFFFF; padding: 0.7rem 1.2rem; font-family: var(--mono); font-size: 13px; text-decoration: none; }
.skip-link:focus { left: 0.75rem; top: 0.75rem; }
a { color: var(--accent); }
a:hover { color: var(--accent-dark); }

/* Navigation */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(245,248,248,0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.nav-inner { max-width: 1080px; margin: 0 auto; padding: 0.9rem 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.nav-brand { font-family: var(--mono); font-size: 14px; font-weight: 500; color: var(--ink); text-decoration: none; letter-spacing: 0.02em; }
.nav-brand span { color: var(--accent); }
.nav-toggle { display: none; }
.nav-burger { display: none; cursor: pointer; font-family: var(--mono); font-size: 13px; border: 1px solid var(--rule); padding: 0.35rem 0.7rem; background: var(--white); color: var(--ink); }
.nav-links { display: flex; list-style: none; gap: 1.75rem; align-items: center; }
.nav-links a { color: var(--ink-2); text-decoration: none; font-size: 14px; font-weight: 500; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--accent); }
.nav-links a.nav-cta { background: var(--accent); color: #FFFFFF; padding: 0.45rem 1rem; font-weight: 500; }
.nav-links a.nav-cta:hover { background: var(--accent-dark); color: #FFFFFF; }

/* Blocs génériques */
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 3.5rem 0; }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.9rem; }
h1 { font-family: var(--serif); font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.12; letter-spacing: -0.015em; font-weight: 700; }
h2 { font-family: var(--serif); font-size: clamp(1.4rem, 2.6vw, 1.9rem); line-height: 1.2; letter-spacing: -0.01em; font-weight: 700; margin-bottom: 1rem; }
h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.6rem; }
.lede { color: var(--ink-2); font-size: 1.05rem; max-width: 640px; }
.muted { color: var(--ink-2); }
.mono { font-family: var(--mono); }

/* Hero */
.hero { border-bottom: 1px solid var(--rule); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3rem; align-items: center; padding: 3.5rem 0 3rem; }
.hero h1 { margin: 0.4rem 0 1rem; }
.hero-status { font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); border-left: 2px solid var(--accent); padding-left: 0.75rem; margin: 1.25rem 0 1.5rem; line-height: 1.6; }
.hero-cta { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.btn { display: inline-block; text-decoration: none; font-weight: 500; font-size: 14.5px; padding: 0.7rem 1.3rem; border: 1px solid var(--accent); }
.btn-primary { background: var(--accent); color: #FFFFFF; }
.btn-primary:hover { background: var(--accent-dark); color: #FFFFFF; }
.btn-secondary { background: transparent; color: var(--accent); }
.btn-secondary:hover { background: var(--accent-bg); color: var(--accent-dark); }
.todo { font-family: var(--mono); font-size: 11.5px; color: var(--amber); display: block; margin-top: 0.6rem; }

/* Cartes résultats */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.card { background: var(--white); border: 1px solid var(--rule); padding: 1.5rem; text-decoration: none; color: var(--ink); display: flex; flex-direction: column; gap: 0.5rem; transition: box-shadow 0.2s, border-color 0.2s; }
.card:hover { border-color: var(--accent); box-shadow: 0 4px 20px rgba(22,24,29,0.08); color: var(--ink); }
.card-figure { font-family: var(--mono); font-size: 1.35rem; font-weight: 500; color: var(--accent); line-height: 1.25; }
.card-context { font-size: 14px; color: var(--ink-2); flex: 1; }
.card-project { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); border-top: 1px solid var(--rule); padding-top: 0.7rem; }
.card:hover .card-project { color: var(--accent); }

/* Stack compacte */
.stack-block { background: var(--white); border: 1px solid var(--rule); padding: 1.5rem; }
.stack-rows { display: grid; gap: 0.4rem; }
.stack-row { display: grid; grid-template-columns: 220px 1fr; gap: 1rem; padding: 0.5rem 0; border-bottom: 1px solid var(--rule); font-size: 14px; }
.stack-row:last-child { border-bottom: none; }
.stack-key { font-family: var(--mono); font-size: 12px; color: var(--ink-2); text-transform: uppercase; letter-spacing: 0.06em; padding-top: 2px; }

/* Étude de cas */
.case-header { border-bottom: 1px solid var(--rule); padding: 2.75rem 0 2.25rem; }
.case-meta { display: flex; gap: 1.5rem; flex-wrap: wrap; margin-top: 1.25rem; font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); }
.case-meta strong { color: var(--ink); font-weight: 500; }
.case-section { padding: 2.25rem 0; border-bottom: 1px solid var(--rule); }
.case-section:last-of-type { border-bottom: none; }
.case-num { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 0.5rem; }
.case-section p { max-width: 720px; margin-bottom: 0.9rem; }
.case-section p:last-child { margin-bottom: 0; }
.case-section ul { max-width: 720px; margin: 0 0 0.9rem 1.2rem; }
.case-section li { margin-bottom: 0.45rem; }
.figure { background: var(--paper); border: 1px solid var(--rule); margin: 1.4rem 0; }
.figure svg { display: block; width: 100%; height: auto; }
.figure img { width: 100%; }
.figure video { display: block; width: 100%; height: auto; background: #16181D; }
.figcaption { font-family: var(--mono); font-size: 12px; color: var(--ink-2); background: var(--white); padding: 0.75rem 1rem; border-top: 1px solid var(--rule); line-height: 1.55; }
.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; margin-top: 1.2rem; }
.choice { background: var(--white); border: 1px solid var(--rule); padding: 1.1rem 1.25rem; }
.choice h3 { font-size: 0.95rem; }
.choice p { font-size: 14px; color: var(--ink-2); margin: 0; }
.choice .alt { display: block; margin-top: 0.6rem; padding-top: 0.6rem; border-top: 1px dashed var(--rule); font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.result-band { background: var(--accent-bg); border: 1px solid var(--accent); padding: 1.25rem 1.5rem; margin-top: 1.2rem; }
.result-band p { color: var(--accent-dark); font-weight: 500; margin: 0; max-width: none; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); margin: 1.2rem 0; }
.kpi { background: var(--white); padding: 0.9rem 1rem; }
.kpi-num { font-family: var(--mono); font-size: 1.15rem; color: var(--accent); font-weight: 500; }
.kpi-lbl { font-size: 12.5px; color: var(--ink-2); margin-top: 0.2rem; }
.case-nav { display: flex; justify-content: space-between; gap: 1rem; padding: 2rem 0 3rem; font-size: 14px; }

/* Compétences */
.skill-family { border-top: 1px solid var(--rule); padding: 1.75rem 0; display: grid; grid-template-columns: 260px 1fr; gap: 2rem; }
.skill-family h2 { font-size: 1.1rem; margin: 0; }
.skill-list { list-style: none; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0.35rem 2rem; }
.skill-list li { font-size: 14.5px; padding: 0.35rem 0; border-bottom: 1px solid var(--rule); }
.skill-list a { text-decoration: none; }
.skill-list .where { font-family: var(--mono); font-size: 11.5px; color: var(--ink-2); display: block; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; max-width: 720px; }
.contact-item { background: var(--white); border: 1px solid var(--rule); padding: 1.25rem 1.4rem; }
.contact-item .k { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.35rem; }
.contact-item a { font-size: 15px; text-decoration: none; color: var(--ink); word-break: break-all; }
.contact-item a:hover { color: var(--accent); }

/* Dossier de compétences */
.dossier { max-width: 860px; margin: 0 auto; padding: 2.5rem 1.5rem 4rem; }
.dossier header { border-bottom: 2px solid var(--ink); padding-bottom: 1rem; margin-bottom: 1.5rem; }
.dossier h1 { font-size: 1.6rem; }
.dossier h2 { font-size: 1rem; font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); border-bottom: 1px solid var(--rule); padding-bottom: 0.4rem; margin: 1.75rem 0 0.9rem; }
.dossier h3 { font-size: 0.98rem; margin: 1.1rem 0 0.3rem; }
.dossier p, .dossier li { font-size: 14px; }
.dossier ul { margin: 0.3rem 0 0.6rem 1.2rem; }
.xp-env { font-family: var(--mono); font-size: 12px; color: var(--ink-2); margin: 0.2rem 0 0.5rem; }
.dossier-tools { display: flex; gap: 0.75rem; margin-bottom: 1.5rem; }
.dossier-tools button { font-family: var(--mono); font-size: 12.5px; padding: 0.45rem 0.9rem; border: 1px solid var(--accent); background: var(--white); color: var(--accent); cursor: pointer; }
.dossier-tools button:hover { background: var(--accent-bg); }

/* Pied de page */
footer { border-top: 1px solid var(--rule); margin-top: 3rem; }
.footer-inner { max-width: 1080px; margin: 0 auto; padding: 1.75rem 1.5rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); }
.footer-inner a { color: var(--ink-2); }
.footer-inner a:hover { color: var(--accent); }

/* Responsive */
@media (max-width: 800px) {
  .nav-burger { display: block; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--rule); flex-direction: column; align-items: flex-start; padding: 1rem 1.5rem; gap: 0.9rem; }
  .nav-toggle:checked ~ .nav-links { display: flex; }
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; padding: 2.5rem 0; }
  .cards { grid-template-columns: 1fr; }
  .choice-grid { grid-template-columns: 1fr; }
  .stack-row { grid-template-columns: 1fr; gap: 0.15rem; }
  .skill-family { grid-template-columns: 1fr; gap: 0.75rem; }
  .skill-list { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* Impression du dossier de compétences : repasse en clair */
@media print {
  :root {
    --bg: #FFFFFF;
    --ink: #16181D;
    --ink-2: #565C66;
    --accent: #155C3E;
    --accent-bg: #E8F1EC;
    --accent-dark: #0E3F2A;
    --rule: #DDDBD3;
    --white: #FFFFFF;
    --paper: #FFFFFF;
    --amber: #B4791C;
  }
  .nav, footer, .dossier-tools, .todo { display: none !important; }
  body { background: #fff; font-size: 11.5px; }
  .dossier { padding: 0; max-width: none; }
  .dossier h2 { break-after: avoid; }
  .dossier h3 { break-after: avoid; }
  a { color: var(--ink); text-decoration: none; }
  @page { margin: 14mm; }
}

/* Accueil simplifié : hero vidéo, bandeau de chiffres, blocs avant/après */
.hero-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); margin: 1.4rem 0 1.5rem; }
.hero-kpis .kpi { background: var(--white); padding: 0.8rem 0.9rem; }
.pa-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.pa { background: var(--white); border: 1px solid var(--rule); padding: 1.4rem 1.5rem; display: flex; flex-direction: column; gap: 0.65rem; }
.pa-name { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); }
.pa .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 0.15rem; }
.pa p { font-size: 14.5px; color: var(--ink-2); margin: 0; }
.pa .res p { color: var(--accent-dark); font-weight: 600; }
.pa-link { margin-top: auto; padding-top: 0.6rem; font-size: 14px; }
.more-list { max-width: 720px; }
.more-list p { margin-bottom: 0.7rem; }
@media (max-width: 800px) {
  .hero-kpis { grid-template-columns: 1fr; }
  .pa-grid { grid-template-columns: 1fr; }
}


/* v11 : adoucissement, angles arrondis et ombres légères */
.card, .pa, .stack-block, .choice, .contact-item, .figure, .kpis, .result-band, .hero-kpis { border-radius: 8px; overflow: hidden; }
.card, .pa, .stack-block { box-shadow: 0 1px 4px rgba(30,42,50,0.05); }
.btn, .nav-links a.nav-cta { border-radius: 6px; }
.figcaption { border-radius: 0; }

/* v11 : hero avec portrait */
.hero-photo img { width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--rule); display: block; object-fit: cover; aspect-ratio: 4 / 5; background: var(--accent-bg); }
.hero-grid.with-photo { grid-template-columns: 0.72fr 1.28fr; gap: 3rem; align-items: center; }
@media (max-width: 800px) {
  .hero-grid.with-photo { grid-template-columns: 1fr; }
  .hero-photo { max-width: 280px; }
}