/* ader.navy — feuille de style unique. Couleurs notées en RGB. */
:root{
  --deep: rgb(14,38,58);        /* bleu nuit marine */
  --ink: rgb(32,44,54);         /* texte */
  --paper: rgb(236,240,240);    /* papier de carte marine */
  --line: rgb(186,198,202);     /* filets */
  --brass: rgb(166,124,58);     /* laiton d'accastillage */
  --plate-a: rgb(214,219,221);  /* plaque métal clair */
  --plate-b: rgb(176,184,188);  /* plaque métal sombre */
  --muted: rgb(88,102,112);
  --head: "Barlow Semi Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Serif 4", Georgia, "Times New Roman", serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:1.075rem;line-height:1.65}
a{color:var(--deep);text-decoration-color:var(--brass);text-underline-offset:3px}
a:hover{color:var(--brass)}
:focus-visible{outline:3px solid var(--brass);outline-offset:3px}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem;z-index:10}

/* En-tête */
header.top{background:var(--deep);color:var(--paper)}
.top-in{max-width:1080px;margin:0 auto;padding:.9rem 1.25rem;display:flex;gap:1.5rem;align-items:center;flex-wrap:wrap}
.mark{font-family:var(--head);font-weight:700;font-size:1.5rem;color:var(--paper);text-decoration:none;letter-spacing:.02em}
.mark span{color:var(--brass)}
nav.menu{display:flex;gap:1.1rem;flex-wrap:wrap;flex:1}
nav.menu a{color:var(--paper);text-decoration:none;font-family:var(--head);font-size:1.05rem}
nav.menu a:hover{color:var(--brass)}
.lang{display:flex;gap:.25rem}
.lang button{font-family:var(--head);font-size:1rem;background:none;border:1px solid rgb(90,115,135);color:var(--paper);padding:.2rem .6rem;cursor:pointer;border-radius:3px}
.lang button[aria-pressed="true"]{background:var(--brass);border-color:var(--brass);color:var(--deep)}

/* Langues */
body[data-lang="fr"] .en,body[data-lang="en"] .fr{display:none!important}

main{max-width:1080px;margin:0 auto;padding:0 1.25rem 4rem}

/* Bandeau : la plaque constructeur */
.hero{padding:3.5rem 0 2.5rem;display:grid;grid-template-columns:minmax(0,1fr);gap:2rem}
.plate{position:relative;max-width:640px;padding:2.2rem 2.4rem 2rem;border-radius:6px;
  background:linear-gradient(135deg,var(--plate-a),var(--plate-b) 55%,var(--plate-a));
  box-shadow:inset 0 0 0 2px rgb(150,158,162),inset 0 0 0 6px var(--plate-a),inset 0 0 0 7px rgb(140,148,152);
  color:rgb(24,30,34)}
.plate::before,.plate::after,.plate .r1,.plate .r2{content:"";position:absolute;width:12px;height:12px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,rgb(240,242,243),rgb(120,128,132) 70%)}
.plate::before{top:14px;left:14px}.plate::after{top:14px;right:14px}
.plate .r1{bottom:14px;left:14px}.plate .r2{bottom:14px;right:14px}
.plate h1{font-family:var(--head);font-weight:700;font-size:clamp(2.4rem,6vw,3.6rem);line-height:1;margin:0 0 .3rem;letter-spacing:.01em}
.plate .role{font-family:var(--head);font-size:clamp(1.25rem,3vw,1.6rem);margin:0 0 1.4rem;color:rgb(52,60,66)}
.plate dl{margin:0;display:grid;grid-template-columns:max-content 1fr;border-top:1.5px solid rgb(70,78,84)}
.plate dt,.plate dd{margin:0;padding:.45rem .6rem .45rem 0;border-bottom:1.5px solid rgb(70,78,84);font-family:var(--head);font-size:1.05rem}
.plate dt{padding-right:1.2rem;color:rgb(60,68,74)}
.plate dd{font-weight:600}
.actions{display:flex;gap:.8rem;flex-wrap:wrap}
.btn{display:inline-block;font-family:var(--head);font-size:1.1rem;padding:.65rem 1.2rem;border-radius:4px;text-decoration:none;border:2px solid var(--deep)}
.btn.primary{background:var(--deep);color:var(--paper)}
.btn.primary:hover{background:var(--brass);border-color:var(--brass);color:var(--deep)}
.btn.ghost{color:var(--deep)}
.btn.ghost:hover{border-color:var(--brass);color:var(--brass)}

/* Sections */
section{padding:2.6rem 0 0}
h2{font-family:var(--head);font-weight:700;font-size:2rem;color:var(--deep);margin:0 0 1rem;padding-bottom:.4rem;border-bottom:2px solid var(--deep)}
h3{font-family:var(--head);font-weight:600;font-size:1.35rem;color:var(--deep);margin:1.6rem 0 .5rem}
p,li{max-width:68ch}
.lead{font-size:1.15rem}
ul.plain{padding-left:1.1rem;margin:.3rem 0 1rem}
ul.plain li{margin:.2rem 0}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:0 2.2rem}
.cols > div{border-top:1px solid var(--line);padding-top:.2rem}

/* Frise : vraie séquence chronologique */
ol.timeline{list-style:none;margin:1rem 0 0;padding:0;border-left:2px solid var(--brass)}
ol.timeline li{position:relative;padding:0 0 1.2rem 1.4rem;max-width:none}
ol.timeline li::before{content:"";position:absolute;left:-7px;top:.45rem;width:12px;height:12px;border-radius:50%;background:var(--paper);border:2px solid var(--brass)}
.when{font-family:var(--head);font-weight:700;color:var(--brass);font-size:1.05rem}
.what{font-family:var(--head);font-weight:600;font-size:1.15rem;color:var(--deep)}
ol.timeline p{margin:.15rem 0 0}

.skills{display:grid;grid-template-columns:max-content 1fr;gap:.5rem 1.4rem;margin:0}
.skills dt{font-family:var(--head);font-weight:600;color:var(--deep)}
.skills dd{margin:0;max-width:68ch}
@media (max-width:640px){.skills{grid-template-columns:1fr}.skills dd{margin-bottom:.6rem}.plate{padding:1.8rem 1.4rem}.plate dl{grid-template-columns:1fr}.plate dt{border-bottom:none;padding-bottom:0}}

.contact{background:var(--deep);color:var(--paper);margin-top:3rem;padding:2rem;border-radius:6px}
.contact h2{color:var(--paper);border-color:var(--brass)}
.contact a{color:var(--paper)}
.contact .btn.primary{background:var(--brass);border-color:var(--brass);color:var(--deep)}

footer{border-top:1px solid var(--line);padding:1.4rem 1.25rem;max-width:1080px;margin:0 auto;font-family:var(--head);color:var(--muted);display:flex;gap:1.5rem;flex-wrap:wrap}
footer a{color:var(--muted)}

/* Galerie */
.empty{border:2px dashed var(--line);border-radius:6px;padding:2.5rem;text-align:center;color:var(--muted);font-family:var(--head);font-size:1.2rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.2rem}
.grid figure{margin:0}
.grid img{width:100%;height:auto;display:block;border-radius:4px}
.grid figcaption{font-size:.95rem;color:var(--muted);margin-top:.35rem}
@media (max-width:720px){.lang{margin-left:auto}nav.menu{order:3;flex-basis:100%;gap:.4rem 1rem}}