/* =========================================================================
   Cuverville — guide du littoral du Pradet
   Design system: hydrographic-chart gazetteer (nautical navy + brass)
   Vanilla CSS, self-hosted fonts, no framework. Class prefix: cv-
   ========================================================================= */

/* ---------- Fonts (self-hosted) ---------- */
@font-face{font-family:'Bebas Neue';src:url('/assets/fonts/bebas-neue-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Crimson Pro';src:url('/assets/fonts/crimson-pro-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Crimson Pro';src:url('/assets/fonts/crimson-pro-600.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Crimson Pro';src:url('/assets/fonts/crimson-pro-400-italic.woff2') format('woff2');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'Space Mono';src:url('/assets/fonts/space-mono-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}

/* ---------- Tokens ---------- */
:root{
  --ink:#0a111f;          /* dominant field */
  --ink-deep:#070c16;     /* frame / deepest */
  --ink-panel:#0e1727;    /* raised panels */
  --line:#4e6b8a;         /* chart hairlines */
  --line-soft:#2c3f57;
  --text:#8fa9c7;         /* body on ink */
  --text-dim:#6c84a2;
  --white:#eaf1fa;
  --brass:#b08d57;        /* accent */
  --brass-bright:#c7a874;
  --coral:#d98a7a;        /* hazard / rocks marks */
  --measure:74ch;
  --easing:cubic-bezier(.22,.61,.36,1); /* tidal-drift */
  --dur:.55s;
}

/* ---------- Reset-ish ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  font-family:'Crimson Pro',Georgia,serif;
  font-size:1.08rem;line-height:1.72;
  color:var(--text);
  background-color:var(--ink);
  background-image:radial-gradient(circle at 2px 2px,rgba(78,107,138,.05) 1px,transparent 0);
  background-size:40px 40px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}

/* ---------- Typographic scale (Bebas display) ---------- */
h1,h2,h3,h4{font-family:'Bebas Neue',Impact,sans-serif;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:var(--white);line-height:1.02;margin:0 0 .4em}
h1{font-size:clamp(2.8rem,7vw,5rem)}
h2{font-size:clamp(1.9rem,4vw,2.7rem)}
h3{font-size:clamp(1.4rem,2.6vw,1.8rem);letter-spacing:.1em}
h4{font-size:1.15rem;letter-spacing:.1em}
p{margin:0 0 1.1em;max-width:var(--measure)}
.cv-mono{font-family:'Space Mono',ui-monospace,monospace;text-transform:uppercase;letter-spacing:.18em}
.cv-lead{font-size:1.28rem;font-style:italic;color:var(--white);opacity:.9;max-width:60ch}
.cv-kicker{font-family:'Space Mono',monospace;font-size:.68rem;letter-spacing:.42em;text-transform:uppercase;color:var(--brass);display:block;margin-bottom:1rem}

/* ---------- Layout frame ---------- */
.cv-frame{min-height:100vh;border:14px solid var(--ink-deep);position:relative}
.cv-ticks{position:absolute;left:0;width:100%;height:8px;opacity:.3;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,var(--line) 0,var(--line) 1px,transparent 1px,transparent 20px)}
.cv-ticks--top{top:0}.cv-ticks--bottom{bottom:0}
.cv-wrap{max-width:1200px;margin:0 auto;padding:0 clamp(1.1rem,4vw,3rem)}

/* ---------- Header / nav ---------- */
.cv-head{border-bottom:1px solid var(--line);padding:1.6rem 0}
.cv-head__inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.cv-brand{display:flex;flex-direction:column;text-decoration:none;line-height:1}
.cv-brand__mark{display:flex;align-items:center;gap:.7rem}
.cv-brand__word{font-family:'Bebas Neue',sans-serif;font-size:2.1rem;letter-spacing:.34em;color:var(--white);padding-bottom:.15rem}
.cv-brand__sub{font-family:'Space Mono',monospace;font-size:.58rem;letter-spacing:.34em;text-transform:uppercase;color:var(--text-dim);margin-top:.45rem}
.cv-brand__rose{width:34px;height:34px;flex:0 0 auto;color:var(--brass)}

.cv-nav{display:flex;flex-wrap:wrap;gap:.4rem 1.5rem;font-family:'Space Mono',monospace;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase}
.cv-nav a{color:var(--text);text-decoration:none;position:relative;padding:.2rem 0;transition:color .3s var(--easing)}
.cv-nav a[aria-current="page"]{color:var(--white)}
.cv-nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--brass);transition:width .35s var(--easing)}
.cv-nav a:hover{color:var(--white)}
.cv-nav a:hover::after,.cv-nav a[aria-current="page"]::after{width:100%}

/* mobile hamburger (CSS-only) */
.cv-navtoggle{display:none}
.cv-burger{display:none;cursor:pointer;background:none;border:1px solid var(--line);color:var(--white);padding:.5rem .6rem;line-height:0}
.cv-burger svg{width:22px;height:22px}
@media (max-width:820px){
  .cv-burger{display:inline-flex}
  .cv-nav{display:none;flex-direction:column;width:100%;gap:0;margin-top:1rem;border-top:1px solid var(--line-soft)}
  .cv-nav a{padding:.85rem 0;border-bottom:1px solid var(--line-soft);font-size:.8rem}
  .cv-navtoggle:checked ~ .cv-nav{display:flex}
}

/* ---------- Chart primitives ---------- */
.cv-chart-border{border:1px solid var(--line);position:relative}
.cv-chart-border::before{content:"";position:absolute;inset:4px;border:.5px solid var(--line-soft);pointer-events:none}
.cv-hachure{background:repeating-linear-gradient(45deg,rgba(78,107,138,.10),rgba(78,107,138,.10) 1px,transparent 1px,transparent 5px)}

/* ---------- Sections ---------- */
main{padding:clamp(2.5rem,6vw,4.5rem) 0}
.cv-section{margin-bottom:clamp(3rem,8vw,6rem);scroll-margin-top:5rem}
.cv-section__h{display:flex;align-items:baseline;gap:1rem;margin-bottom:1.6rem;border-bottom:1px solid var(--line-soft);padding-bottom:.8rem}
.cv-section__no{font-family:'Space Mono',monospace;font-size:1rem;color:var(--brass);letter-spacing:.1em}
.cv-prose p{color:var(--text);opacity:.92}
.cv-prose a{color:var(--brass-bright);text-decoration:none;border-bottom:1px solid var(--line-soft);transition:border-color .3s var(--easing),color .3s}
.cv-prose a:hover{color:var(--white);border-color:var(--brass)}
.cv-two{display:grid;grid-template-columns:1fr;gap:clamp(1.5rem,4vw,3rem)}
@media (min-width:780px){.cv-two{grid-template-columns:1.2fr .8fr}}
.cv-two--even{grid-template-columns:1fr}
@media (min-width:780px){.cv-two--even{grid-template-columns:1fr 1fr}}

/* ---------- Hero ---------- */
.cv-hero{margin-bottom:clamp(2.5rem,6vw,4.5rem)}
.cv-hero__title{border-left:2px solid var(--line);padding-left:clamp(1rem,3vw,2rem);margin-bottom:2rem}
.cv-hero__title h1 span{display:block;font-size:.5em;color:var(--text-dim);letter-spacing:.14em}

/* ---------- Stat plaques ---------- */
.cv-plaques{display:grid;gap:.7rem}
.cv-plaque{padding:1.3rem 1.4rem;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.cv-plaque::before{content:"";position:absolute}
.cv-plaque .k{font-family:'Space Mono',monospace;font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--text-dim);display:block;margin-bottom:.35rem}
.cv-plaque .v{font-family:'Space Mono',monospace;font-size:1.55rem;color:var(--white)}

/* ---------- Cove register ---------- */
.cv-register{display:grid;grid-template-columns:1fr;border:1px solid var(--line)}
@media (min-width:680px){.cv-register{grid-template-columns:1fr 1fr}}
.cv-cove{padding:2rem 1.8rem;border-bottom:1px solid var(--line);transition:background .3s var(--easing)}
.cv-cove:hover{background:rgba(255,255,255,.045)}
@media (min-width:680px){.cv-cove:nth-child(odd){border-right:1px solid var(--line)}}
.cv-cove__zone{font-family:'Space Mono',monospace;font-size:.62rem;letter-spacing:.2em;color:var(--text-dim);display:block;margin-bottom:.7rem}
.cv-cove h3{margin-bottom:.5rem}
.cv-cove p{font-style:italic;opacity:.75;font-size:.98rem;margin-bottom:1rem}
.cv-tag{display:inline-block;font-family:'Space Mono',monospace;font-size:.58rem;letter-spacing:.14em;border:1px solid var(--line);padding:.25rem .5rem;margin-right:.4rem;color:var(--text)}

/* ---------- Feature (image + text) ---------- */
.cv-feature{display:flex;flex-direction:column;gap:clamp(1.5rem,4vw,3rem);align-items:center}
@media (min-width:780px){.cv-feature{flex-direction:row}.cv-feature__media{width:42%}.cv-feature__body{flex:1}}
.cv-feature--rev{flex-direction:column}
@media (min-width:780px){.cv-feature--rev{flex-direction:row-reverse}}
.cv-figure{border:1px solid var(--line);padding:6px;position:relative}
.cv-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;filter:saturate(.9)}
.cv-figure figcaption{font-family:'Space Mono',monospace;font-size:.58rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-dim);padding:.6rem .3rem 0}

/* ---------- Article link list ---------- */
.cv-links{list-style:none;margin:0;padding:0}
.cv-links li{border-bottom:1px solid var(--line-soft)}
.cv-links a{display:flex;justify-content:space-between;gap:1rem;padding:1rem 0;text-decoration:none;color:var(--text);transition:color .3s,padding-left .3s var(--easing)}
.cv-links a:hover{color:var(--white);padding-left:.5rem}
.cv-links time{font-family:'Space Mono',monospace;font-size:.62rem;letter-spacing:.12em;color:var(--text-dim);white-space:nowrap;align-self:center}

/* ---------- FAQ accordion (smooth open/close) ---------- */
.cv-faq details{border-bottom:1px solid var(--line)}
.cv-faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.1rem 0}
.cv-faq summary::-webkit-details-marker{display:none}
.cv-faq summary h3{margin:0;font-size:1.05rem;letter-spacing:.06em;color:var(--text);transition:color .3s;font-family:'Space Mono',monospace;text-transform:none;font-weight:400}
.cv-faq details[open] summary h3,.cv-faq summary:hover h3{color:var(--white)}
.cv-faq__ico{flex:0 0 auto;width:16px;height:16px;color:var(--brass);transition:transform .35s var(--easing)}
.cv-faq details[open] .cv-faq__ico{transform:rotate(45deg)}
.cv-faq__panel{overflow:hidden;height:0;transition:height .35s var(--easing)}
.cv-faq__inner{padding:0 0 1.4rem;font-style:italic;opacity:.8;font-size:1rem}
.cv-faq details[open] .cv-faq__panel{height:auto}
/* no-JS fallback: show content when open */
.no-js .cv-faq__panel{height:auto!important}

/* ---------- Callout (site-specific "avis" — chart notice, NOT the slop border-l-4 box) ---------- */
.cv-avis{position:relative;margin:2rem 0;padding:1.4rem 1.6rem 1.4rem 2.4rem;background:var(--ink-panel);border:1px solid var(--line-soft)}
.cv-avis::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:repeating-linear-gradient(-45deg,var(--brass),var(--brass) 3px,transparent 3px,transparent 7px)}
.cv-avis .cv-avis__t{font-family:'Space Mono',monospace;font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--brass);display:block;margin-bottom:.4rem}
.cv-avis p{margin:0;font-style:italic}

/* ---------- Buttons ---------- */
.cv-btn{display:inline-block;font-family:'Space Mono',monospace;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brass-bright);border-bottom:1px solid var(--brass);padding-bottom:.35rem;text-decoration:none;transition:color .3s,letter-spacing .3s var(--easing)}
.cv-btn:hover{color:var(--white);letter-spacing:.26em}

/* ---------- Aside (chart legend) ---------- */
.cv-layout{display:grid;grid-template-columns:1fr;gap:clamp(2rem,5vw,4rem)}
@media (min-width:1000px){.cv-layout{grid-template-columns:250px 1fr}}
.cv-aside{display:none}
@media (min-width:1000px){.cv-aside{display:block;align-self:start;position:sticky;top:2rem}}
.cv-legend{padding:1.3rem;background:rgba(0,0,0,.2);border:1px solid var(--line);position:relative}
.cv-legend h4{font-size:.9rem;color:var(--white);border-bottom:1px solid var(--line);padding-bottom:.6rem;margin-bottom:1rem}
.cv-legend dl{display:grid;grid-template-columns:1fr auto;gap:.7rem .5rem;margin:0;font-family:'Space Mono',monospace;font-size:.6rem;letter-spacing:.06em;text-transform:uppercase}
.cv-legend dt{color:var(--text-dim)}.cv-legend dd{margin:0;color:var(--text);text-align:right}
.cv-toc{margin-top:2rem;font-family:'Space Mono',monospace;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase}
.cv-toc a{display:block;color:var(--text-dim);text-decoration:none;padding:.4rem 0;border-left:1px solid var(--line-soft);padding-left:.8rem;transition:color .3s,border-color .3s}
.cv-toc a:hover,.cv-toc a.is-active{color:var(--white);border-color:var(--brass)}
.cv-quote{margin-top:2rem;font-style:italic;font-size:.92rem;opacity:.7;line-height:1.6}

/* ---------- Footer ---------- */
.cv-foot{border-top:1px solid var(--line);margin-top:3rem;background:rgba(0,0,0,.4);padding:clamp(2.5rem,6vw,4rem) 0 3rem}
.cv-foot__grid{display:grid;grid-template-columns:1fr;gap:2rem}
@media (min-width:720px){.cv-foot__grid{grid-template-columns:2fr 1fr 1fr}}
.cv-foot h4{font-size:.85rem;color:var(--white);border-bottom:1px solid var(--line);padding-bottom:.5rem;margin-bottom:1.1rem}
.cv-foot__word{font-family:'Bebas Neue',sans-serif;font-size:1.9rem;letter-spacing:.2em;color:var(--white);margin-bottom:.6rem}
.cv-foot__note{font-family:'Space Mono',monospace;font-size:.62rem;letter-spacing:.12em;line-height:1.9;color:var(--text-dim);text-transform:uppercase}
.cv-foot ul{list-style:none;margin:0;padding:0}
.cv-foot li{margin-bottom:.7rem}
.cv-foot a{font-family:'Space Mono',monospace;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text);text-decoration:none;transition:color .3s}
.cv-foot a:hover{color:var(--white)}
.cv-foot__base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;margin-top:2.5rem;padding-top:1.4rem;border-top:1px solid var(--line-soft);
  font-family:'Space Mono',monospace;font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:var(--text-dim)}
.cv-coords{display:flex;gap:1.2rem}

/* ---------- Signature: sounding-plot reveal (JS-driven, reduced-motion + no-JS safe) ---------- */
.js .cv-plot{opacity:0;transform:translateY(18px)}
.js .cv-plot.is-charted{opacity:1;transform:none;transition:opacity var(--dur) var(--easing),transform var(--dur) var(--easing)}
@media (prefers-reduced-motion:reduce){.js .cv-plot{opacity:1!important;transform:none!important;transition:none!important}}

/* ---------- Interactive cove-chart (signature moment) ---------- */
.cv-covemap{position:relative;width:100%;border:1px solid var(--line);padding:6px}
.cv-covemap svg{width:100%;height:auto;display:block}
.cv-covemap .cv-cm-cove{cursor:pointer}
.cv-covemap .cv-cm-cove:focus{outline:none}
.cv-covemap .cv-cm-hit{fill:transparent;transition:fill .3s var(--easing)}
.cv-covemap .cv-cm-cove:hover .cv-cm-hit,.cv-covemap .cv-cm-cove:focus .cv-cm-hit{fill:rgba(176,141,87,.16)}
.cv-covemap .cv-cm-dot{fill:var(--brass);transition:r .3s var(--easing)}
.cv-covemap .cv-cm-cove:hover .cv-cm-dot,.cv-covemap .cv-cm-cove:focus .cv-cm-dot{fill:var(--brass-bright)}
.cv-covemap .cv-cm-name{fill:var(--text);transition:fill .3s var(--easing)}
.cv-covemap .cv-cm-cove:hover .cv-cm-name,.cv-covemap .cv-cm-cove:focus .cv-cm-name{fill:var(--white)}
.cv-covemap .cv-cm-pin{opacity:0;transition:opacity .3s var(--easing)}
.cv-covemap .cv-cm-cove:hover .cv-cm-pin,.cv-covemap .cv-cm-cove:focus .cv-cm-pin{opacity:1}
.cv-covemap__cap{font-family:'Space Mono',monospace;font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-dim);padding:.7rem .3rem 0;display:flex;justify-content:space-between}

/* ---------- Breadcrumb ---------- */
.cv-crumb{font-family:'Space Mono',monospace;font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);margin-bottom:1.5rem}
.cv-crumb a{color:var(--text-dim);text-decoration:none}.cv-crumb a:hover{color:var(--white)}
.cv-crumb span{color:var(--brass)}

/* ---------- Skip link / a11y ---------- */
.cv-skip{position:absolute;left:-999px}
.cv-skip:focus{left:1rem;top:1rem;z-index:10;background:var(--brass);color:var(--ink);padding:.5rem .8rem;font-family:'Space Mono',monospace}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px}