@font-face{font-family:"Bricolage";src:url(fonts/bricolage.woff2) format("woff2");font-weight:200 800;font-stretch:75% 100%;font-display:swap}
@font-face{font-family:"Young Serif";src:url(fonts/young-serif.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Hanken";src:url(fonts/hanken.woff2) format("woff2");font-weight:100 900;font-display:swap}

:root{
  --abysse:#03161b; --eau:#0e4a52; --lumiere:#e9f2ef; --encre:#0a2a30; --corail:#f0694a;
  --top-h:64px; --gut:28px;
  --jules:"Bricolage",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--lumiere);color:var(--encre);font-family:var(--jules);font-size:1.0625rem;line-height:1.5}
a{color:inherit}
:focus-visible{outline:2px solid var(--corail);outline-offset:3px;border-radius:4px}
.skip{position:fixed;left:12px;top:-60px;z-index:50;background:var(--corail);color:#1b0b06;padding:10px 14px;border-radius:8px;text-decoration:none;font-weight:600}
.skip:focus{top:12px}

/* ---------- en-tête ---------- */
.top{position:fixed;inset:0 0 auto 0;height:var(--top-h);z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:0 var(--gut);color:var(--encre);background:rgb(233 242 239 / .9);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transition:color .25s,background-color .25s}
.top[data-theme="deep"]{color:#e6f3f0;background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none}
.top[data-theme="salon"]{color:#e6f3f0;background:rgb(6 29 36 / .88)}
.brand{text-decoration:none;display:flex;flex-direction:column;line-height:1.15}
.brand strong{font-weight:650;font-size:1.05rem;letter-spacing:-.01em}
.brand span{font-size:.8rem;opacity:.75}
.top nav{display:flex;align-items:center;gap:clamp(14px,2.4vw,30px);font-size:.95rem}
.top nav a{text-decoration:none;padding:10px 0}
.top nav a:hover,.top nav a[aria-current="location"]{text-decoration:underline;text-underline-offset:5px}
.top nav a[aria-current="location"]{text-decoration-color:var(--corail);text-decoration-thickness:2px}
.top nav .talk{padding:9px 16px;border-radius:999px;background:var(--corail);color:#1b0b06;font-weight:600}
.top nav .talk:hover{text-decoration:none;filter:brightness(1.06)}
.lang{font:inherit;color:inherit;background:none;border:1px solid currentColor;border-radius:999px;padding:6px 10px;cursor:pointer;opacity:.8;min-height:36px}
.short{display:none}

/* ---------- la plongée ---------- */
.dive{position:relative;height:440svh;background:var(--abysse)}
.pin{position:sticky;top:0;height:100svh;overflow:hidden}
.anchor{position:absolute;left:0;top:calc(100% - 100svh)}
.water{position:absolute;inset:0;width:100%;height:100%;display:block;pointer-events:none}
.water[hidden]{display:none}

.shore{position:absolute;inset:0;background:var(--lumiere);padding:var(--top-h) var(--gut) 0;display:flex;flex-direction:column}
.shore-note{margin:0;height:34px;display:flex;align-items:center;justify-content:space-between;font-size:.82rem;color:#3d5a5e;opacity:var(--note,0)}
.frame{background:#f4f3ee;color:#24160f}
.frame-top{flex:1;min-height:0;border-radius:18px 18px 0 0;overflow:hidden}
.frame-rest{margin:0 var(--gut);border-radius:0 0 18px 18px;overflow:hidden}

.intro{position:absolute;left:var(--gut);bottom:clamp(64px,11svh,120px);width:min(44rem,calc(100% - 2*var(--gut)));color:#eaf6f3;
  opacity:var(--intro,1);transform:translateY(calc((1 - var(--intro,1)) * -28px));z-index:1;pointer-events:none}
.intro h1{margin:0 0 .35em;font-weight:560;font-stretch:88%;font-size:clamp(2.7rem,6.6vw,6rem);line-height:.96;letter-spacing:-.035em;text-wrap:balance}
.intro p{margin:0;max-width:34rem;font-size:clamp(1.02rem,1.25vw,1.2rem);color:#cfe4e0}
.intro .hint{margin-top:1.6rem;display:flex;align-items:center;gap:12px;font-size:.92rem;color:#a9cdc8}
.hint-line{width:1px;height:34px;background:linear-gradient(#a9cdc8,transparent);animation:rise 2.4s ease-in-out infinite}
@keyframes rise{0%,100%{transform:translateY(6px);opacity:.4}50%{transform:translateY(-6px);opacity:1}}

.ask{position:absolute;left:var(--gut);top:50%;transform:translateY(-42%);width:min(25rem,calc(100% - 2*var(--gut)));color:#eaf6f3;
  opacity:var(--ask,0);pointer-events:none;z-index:1}
.ask-lead{margin:0 0 1.4rem;font-size:.92rem;color:#a9cdc8;max-width:22rem}
.ask ol{list-style:none;margin:0;padding:0;display:grid;gap:1.15rem}
.ask li{opacity:.34;transition:opacity .5s}
.ask li.on{opacity:1}
.ask li.done{opacity:.6}
.ask .q{display:block;font-weight:540;font-stretch:90%;font-size:clamp(1.3rem,2vw,1.75rem);line-height:1.12;letter-spacing:-.02em}
.ask .a{display:block;margin-top:.3rem;font-size:.98rem;color:#bfe0da;max-height:0;overflow:hidden;opacity:0;transition:max-height .5s,opacity .5s}
.ask li.on .a,.ask li.done .a{max-height:4em;opacity:1}

.scene-note{position:absolute;right:var(--gut);bottom:18px;margin:0;font-size:.78rem;color:#8fb5b0;opacity:calc(var(--intro,1) * .9);max-width:16rem;text-align:right}
.calm-toggle{position:absolute;left:var(--gut);bottom:14px;font:inherit;font-size:.78rem;color:#a9cdc8;background:none;border:0;padding:8px 0;cursor:pointer;text-decoration:underline;text-underline-offset:4px;opacity:var(--intro,1)}

/* ---------- après la surface ---------- */
.after{background:var(--lumiere);padding-bottom:clamp(72px,12vw,150px)}
.back{max-width:46rem;margin:clamp(72px,11vw,150px) auto 0;padding:0 var(--gut)}
.back h2,.stub h2{margin:0 0 .5em;font-weight:560;font-stretch:88%;font-size:clamp(2.1rem,4.6vw,3.9rem);line-height:1;letter-spacing:-.03em;text-wrap:balance}
.back p,.stub p{margin:0 0 1.6rem;max-width:36rem;font-size:1.12rem}
.talk-big{display:inline-block;padding:15px 24px;border-radius:999px;background:var(--corail);color:#1b0b06;font-weight:620;text-decoration:none}
.talk-big:hover{filter:brightness(1.06)}

.stub{padding:clamp(64px,9vw,120px) var(--gut);max-width:74rem;margin:0 auto;scroll-margin-top:var(--top-h)}
.stub + .stub{border-top:1px solid #c5d6d2}
.stub .todo{display:inline-block;margin:0 0 1.4rem;font-size:.82rem;padding:5px 11px;border-radius:999px;background:#d5e4e0;color:#2c4a4e}
.stub figure{margin:2rem 0 0}
.stub img{display:block;width:100%;height:auto;border-radius:10px}
.stub figcaption{margin-top:.8rem;font-size:.88rem;color:#3d5a5e;max-width:48rem}

/* ---------- téléphone ---------- */
@media (max-width:720px){
  :root{--top-h:56px;--gut:14px}
  .brand span{display:none}
  .full{display:none}.short{display:inline}
  .top nav{gap:13px;font-size:.9rem}
  .top nav .talk{padding:8px 13px}
  .lang{padding:4px 9px}
  .intro{bottom:76px}
  .intro h1{font-size:clamp(2.5rem,11.5vw,3.4rem)}
  .ask{top:auto;bottom:34px;transform:none}
  .ask-lead{margin-bottom:1rem;font-size:.86rem}
  .ask ol{gap:.8rem}
  .ask .q{font-size:1.28rem}
  .ask .a{font-size:.92rem}
  .scene-note{left:var(--gut);right:auto;bottom:44px;text-align:left;max-width:none;font-size:.72rem}
  .calm-toggle{bottom:8px}
  .shore-note{height:28px;font-size:.74rem}
  .shore-note span:last-child{display:none}
  .frame-top{border-radius:14px 14px 0 0}.frame-rest{border-radius:0 0 14px 14px}
}
@media (max-width:440px){
  .top{padding-inline:10px}
  .top .brand strong{font-size:.9rem}
  .top nav{gap:8px;font-size:.8rem}
  .top nav .talk{padding-inline:7px}
  .lang{padding-inline:5px}
}

/* ---------- mouvements réduits (préférence système ou bouton) ---------- */
html.calm .dive{height:auto;background:var(--lumiere)}
html.calm .pin{position:relative;height:auto;overflow:visible;display:flex;flex-direction:column}
html.calm .water{height:100svh;inset:0 0 auto 0}
html.calm .intro{order:1;position:relative;left:auto;bottom:auto;height:100svh;width:auto;padding:0 var(--gut) 96px;display:flex;flex-direction:column;justify-content:flex-end;opacity:1;transform:none}
html.calm .intro > *{max-width:44rem}
html.calm .hint{display:none}
html.calm .ask{order:2;position:relative;left:auto;top:auto;bottom:auto;transform:none;width:auto;max-width:46rem;opacity:1;color:var(--encre);padding:72px var(--gut) 40px;pointer-events:auto}
html.calm .ask-lead{color:#3d5a5e}
html.calm .ask li{opacity:1}
html.calm .ask .a{max-height:none;opacity:1;color:#2c4a4e}
html.calm .shore{order:3;position:relative;inset:auto;padding-top:0}
html.calm .shore-note{opacity:1}
html.calm .frame-top{flex:none}
html.calm .scene-note{position:absolute;top:calc(100svh - 76px);bottom:auto;opacity:.9}
html.calm .calm-toggle{position:absolute;top:calc(100svh - 44px);bottom:auto;opacity:1}
html.calm .anchor{position:static;height:0;scroll-margin-top:var(--top-h)}
html.calm .hint-line{animation:none}
html.nowebgl .water{background:radial-gradient(120% 70% at 62% 0%,#bfe6de 0%,#2f8f95 18%,#0e4a52 42%,#03161b 78%)}