/* ============================================================
   styles.css — Portfolio Miandrasoa Rasidimanana
   Thème clair par défaut, sombre selon le système ou le choix
   enregistré ([data-theme] sur <html>). Contrastes WCAG AA.
   ============================================================ */

:root{
  --bg:#F7F8FA;
  --surface:#FFFFFF;
  --ink:#15213B;
  --muted:#4B5565;
  --accent:#0A6B66;
  --on-accent:#FFFFFF;
  --accent-soft:#E2F0EE;
  --line:#D5DCE5;
  --focus:#0A6B66;

  --font-body:'Atkinson Hyperlegible', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display:'Bricolage Grotesque', 'Atkinson Hyperlegible', system-ui, sans-serif;

  --step--1:.9375rem;   /* 15px */
  --step-0:1.0625rem;   /* 17px */
  --step-1:1.25rem;     /* 20px */
  --step-2:1.5625rem;   /* 25px */
  --step-3:clamp(1.75rem, 1.4rem + 1.6vw, 2.25rem);
  --step-4:clamp(2rem, 1.2rem + 3.6vw, 3.5rem);

  --maxw:1120px;
  --measure:68ch;
  --header-h:68px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0E1624;
    --surface:#152033;
    --ink:#E7ECF3;
    --muted:#A9B4C4;
    --accent:#5FC7BD;
    --on-accent:#06201E;
    --accent-soft:#12302F;
    --line:#2A3850;
    --focus:#5FC7BD;
  }
}
:root[data-theme="dark"]{
  --bg:#0E1624;
  --surface:#152033;
  --ink:#E7ECF3;
  --muted:#A9B4C4;
  --accent:#5FC7BD;
  --on-accent:#06201E;
  --accent-soft:#12302F;
  --line:#2A3850;
  --focus:#5FC7BD;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: no-preference){ html{scroll-behavior:smooth} }
body{
  font-family:var(--font-body);
  font-size:var(--step-0);
  line-height:1.6;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
ul,ol{list-style:none}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.15;letter-spacing:-.01em;font-weight:700}
.ico{width:1.15em;height:1.15em;flex-shrink:0}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0;border-top:1px solid var(--line)}
section[id]{scroll-margin-top:calc(var(--header-h) + 8px)}
main:focus{outline:none}

/* ---------- Accessibilité ---------- */
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip-link{
  position:absolute;left:16px;top:-100px;z-index:100;
  background:var(--ink);color:var(--bg);font-weight:700;
  padding:12px 18px;border-radius:8px;text-decoration:none;
}
.skip-link:focus{top:12px}

/* ---------- En-tête ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--bg);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:16px;min-height:var(--header-h)}
.brand{
  font-family:var(--font-display);font-weight:700;font-size:var(--step-1);
  text-decoration:none;padding:8px 0;margin-right:auto;
}
.nav-main{display:flex;align-items:center}
.nav-links{display:flex;gap:4px}
.nav-link{
  display:inline-flex;align-items:center;min-height:44px;padding:0 12px;
  color:var(--muted);text-decoration:none;border-radius:6px;
}
.nav-link:hover{color:var(--ink);text-decoration:underline;text-underline-offset:6px}
.nav-ctrls{display:flex;gap:8px}
.ctrl{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-width:44px;min-height:44px;padding:0 10px;
  font:inherit;font-weight:700;color:var(--ink);
  background:transparent;border:1px solid var(--line);border-radius:8px;cursor:pointer;
}
.ctrl:hover{border-color:var(--ink)}
.nav-toggle{display:none}

/* ---------- Hero ---------- */
.hero{padding:72px 0 0}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.hero-status{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;color:var(--accent);margin-bottom:20px;
}
.status-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.hero-id{display:flex;flex-direction:column;gap:4px;margin-bottom:28px}
.hero-name{font-size:var(--step-2)}
.hero-role{font-family:var(--font-body);font-weight:400;font-size:var(--step-0);color:var(--muted);letter-spacing:0}

/* L'élément marquant : le positionnement écrit comme une user story */
.story{
  font-family:var(--font-display);font-weight:600;
  font-size:var(--step-4);line-height:1.08;letter-spacing:-.025em;
  max-width:18ch;margin-bottom:28px;
}
.story span{display:block}
.story-key{color:var(--muted);font-weight:600}
.story-body{color:var(--ink);font-weight:700}

.lead{max-width:var(--measure);font-size:var(--step-1);line-height:1.5;margin-bottom:20px}
.hero-where{display:flex;flex-wrap:wrap;gap:8px 24px;color:var(--muted);margin-bottom:32px}
.hero-where li{display:flex;align-items:center;gap:8px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}

.portrait img{
  width:100%;aspect-ratio:340/420;object-fit:cover;
  border-radius:12px;background:var(--accent-soft);
}

.facts{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  margin-top:64px;border-top:1px solid var(--line);
}
.facts li{padding:24px 20px 28px 0;display:flex;flex-direction:column;gap:4px}
.facts li + li{padding-left:20px;border-left:1px solid var(--line)}
.fact-value{font-family:var(--font-display);font-weight:700;font-size:var(--step-3);line-height:1.1}
.fact-label{color:var(--muted);font-size:var(--step--1)}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 20px;
  font:inherit;font-weight:700;text-decoration:none;border-radius:8px;cursor:pointer;
  transition:background-color .15s ease, border-color .15s ease;
}
.btn-primary{background:var(--accent);color:var(--on-accent);border:2px solid var(--accent)}
.btn-primary:hover{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.btn-secondary{background:transparent;color:var(--ink);border:2px solid var(--line)}
.btn-secondary:hover{border-color:var(--ink)}
.btn-meta{font-weight:400;color:var(--muted)}

/* ---------- Sections ---------- */
.section-head{margin-bottom:48px}
.section-title{font-size:var(--step-3)}
.section-sub{color:var(--muted);max-width:var(--measure);margin-top:12px;font-size:var(--step-1);line-height:1.5}
.sub-title{font-size:var(--step-1);margin:48px 0 20px}
.sub-title:first-of-type{margin-top:0}

.two-col{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px}
.two-col .section-head{margin-bottom:0}
.prose{max-width:var(--measure);font-size:var(--step-1);line-height:1.55}
.prose p + p{margin-top:16px}

/* ---------- Expériences ---------- */
.timeline{position:relative;padding-left:32px}
.timeline::before{content:"";position:absolute;left:5px;top:10px;bottom:10px;width:2px;background:var(--line)}
.job{position:relative}
.job + .job{margin-top:64px}
.job::before{
  content:"";position:absolute;left:-32px;top:9px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:3px solid var(--accent);
}
.job-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 24px}
.job-head h3{font-size:var(--step-2)}
.job-co{color:var(--accent)}
.job-when{color:var(--muted)}
.job-summary{max-width:var(--measure);margin-top:12px;font-size:var(--step-1);line-height:1.5}
.job-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:40px;margin-top:28px}
.job-body h4{font-family:var(--font-body);font-size:var(--step-0);margin-bottom:12px}
.checks li{display:flex;gap:10px;align-items:flex-start}
.checks li + li{margin-top:10px}
.checks .ico{color:var(--accent);margin-top:.25em}
.bullets li{position:relative;padding-left:20px}
.bullets li + li{margin-top:10px}
.bullets li::before{content:"";position:absolute;left:2px;top:.7em;width:7px;height:2px;background:var(--muted)}

.job-details{margin-top:24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.job-details summary{
  display:flex;align-items:center;gap:10px;min-height:48px;cursor:pointer;font-weight:700;list-style:none;
}
.job-details summary::-webkit-details-marker{display:none}
.job-details summary .ico{transition:transform .2s ease}
.job-details[open] summary .ico{transform:rotate(180deg)}
.job-details summary:hover span{text-decoration:underline;text-underline-offset:4px}
.job-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 40px;padding:8px 0 24px}
.job-facts dt{font-weight:700}
.job-facts dd{color:var(--muted)}

.tags{display:flex;flex-wrap:wrap;gap:8px}
.job .tags{margin-top:20px}
.tags li{
  font-size:var(--step--1);padding:4px 10px;border-radius:6px;
  background:var(--surface);border:1px solid var(--line);
}

/* ---------- Compétences ---------- */
.functional{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 48px}
.functional div{padding-top:16px;border-top:2px solid var(--ink)}
.functional dt{font-weight:700;font-size:var(--step-1);line-height:1.3}
.functional dd{color:var(--muted);margin-top:6px}
.technical{border-top:1px solid var(--line)}
.tech-row{display:grid;grid-template-columns:200px minmax(0,1fr);gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}
.tech-row dt{font-weight:700;padding-top:4px}

/* ---------- Formation ---------- */
.edu-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:56px}
.edu-list li{display:grid;grid-template-columns:64px minmax(0,1fr);gap:16px;padding:16px 0;border-top:1px solid var(--line)}
.edu-yr{font-family:var(--font-display);font-weight:700;color:var(--accent)}
.edu-title{font-weight:700;line-height:1.4}
.edu-sub{color:var(--muted);margin-top:2px}
.cert-list li{padding:14px 0;border-top:1px solid var(--line)}
.langs{display:grid;gap:8px}
.langs div{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-top:1px solid var(--line)}
.langs dt{font-weight:700}
.langs dd{color:var(--muted)}

/* ---------- Contact ---------- */
.contact-inner{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:56px 48px;max-width:calc(var(--maxw) - 48px);
}
.contact-inner .section-sub{margin-bottom:28px}

/* ---------- Pied de page ---------- */
.site-footer{border-top:1px solid var(--line);padding:24px 0}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;color:var(--muted)}
.foot-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;text-decoration:underline;text-underline-offset:4px}
.foot-link:hover{color:var(--ink)}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .hero-grid{grid-template-columns:minmax(0,1fr) 200px;gap:32px}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .facts li:nth-child(3){padding-left:0;border-left:0}
  .facts li:nth-child(n+3){border-top:1px solid var(--line)}
  .two-col{grid-template-columns:1fr;gap:20px}
  .job-body,.edu-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:760px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;gap:0;padding:8px 24px 16px;
    background:var(--bg);border-bottom:1px solid var(--line);
  }
  .nav-links.open{display:flex}
  .nav-link{width:100%;min-height:48px}
  .nav-main{order:1}
}
@media (max-width:620px){
  .wrap{padding:0 16px}
  .section{padding:64px 0}
  .hero{padding-top:40px}
  .hero-grid{grid-template-columns:1fr}
  .portrait{order:-1;max-width:160px}
  .functional,.job-facts{grid-template-columns:1fr}
  .tech-row{grid-template-columns:1fr;gap:10px}
  .contact-inner{padding:36px 20px}
  .nav-toggle span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
}