/* ============================================================================
   carnet.css — French Wine Tour · "le carnet"
   The shared Reference Atlas (Plated) design system.
   Single source of truth for tokens, chrome, and components.
   Load on any page: <link rel="stylesheet" href="carnet.css">
   (paths relative to root; from /alsace use ../carnet.css)
   ============================================================================ */

/* ---- TOKENS ------------------------------------------------------------- */
:root{
  /* surfaces */
  --paper:#FAF8F4;        /* page ground */
  --paper-2:#F2EFE7;      /* sunken panel */
  --card:#FFFFFF;         /* raised card */
  --block-ink:#211B17;    /* dark plate (footer / heritage) */

  /* ink */
  --ink:#1A1714;          /* primary text */
  --ink-2:#403A33;        /* secondary text */
  --muted:#7C756A;        /* labels, captions */

  /* lines */
  --hair:#E2DDD3;         /* hairline rule */
  --hair-2:#D2CCC0;       /* stronger hairline */

  /* brand */
  --accent:#6E1F2C;       /* wine — primary accent */
  --accent-deep:#551621;  /* deep wine — plates, masthead */
  --teal:oklch(0.50 0.055 215);   /* second tone — eyebrows, §-numbers */
  --teal-2:oklch(0.72 0.06 205);  /* second tone on dark */

  /* region keys (used on family/genealogy views) */
  --al:#6E1F2C;  /* Alsace   */
  --ch:#B08948;  /* Champagne */
  --bu:#3E5C50;  /* Burgundy  */

  /* type */
  --serif:"Newsreader",Georgia,serif;
  --sans:"Hanken Grotesk",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,Menlo,"SF Mono",monospace;

  /* metrics */
  --maxw:1200px;
  --gutter:32px;
  --radius:0px;          /* the system is square-cornered by default */
}

/* ---- BASE --------------------------------------------------------------- */
*{box-sizing:border-box;}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:smooth;}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.6;font-size:16px;}
a{color:inherit;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);}
.serif{font-family:var(--serif);}
.mono{font-family:var(--mono);}

/* eyebrow / section label */
.lab{font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;font-weight:600;color:var(--muted);}
.lab.teal{color:var(--teal);}

/* ---- MASTHEAD BAR ------------------------------------------------------- */
.topbar{background:var(--accent-deep);color:#F3E8E4;}
.topbar .row{display:flex;align-items:center;justify-content:space-between;height:34px;font-size:11px;letter-spacing:.13em;text-transform:uppercase;white-space:nowrap;}
.topbar .row>*{white-space:nowrap;}
.topbar .row .l{display:flex;gap:22px;align-items:center;min-width:0;overflow:hidden;}
.topbar .row .coord{font-family:var(--mono);letter-spacing:.06em;text-transform:none;color:#d8b9bd;}
.topbar .row a{color:#e9d4d7;text-decoration:none;opacity:.85;}
.topbar .row a:hover{opacity:1;}

/* ---- PRIMARY NAV -------------------------------------------------------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.9);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--ink);}
.nav .row{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px;}
.brand{display:flex;align-items:baseline;gap:10px;font-family:var(--serif);font-size:19px;letter-spacing:-.01em;text-decoration:none;white-space:nowrap;flex-shrink:0;}
.brand b{font-weight:600;}
.brand .fr{font-style:italic;color:var(--muted);font-size:14px;}
.nav nav{display:flex;gap:26px;align-items:center;}
.nav nav a{font-size:13.5px;font-weight:500;text-decoration:none;color:var(--ink-2);padding:4px 0;position:relative;}
.nav nav a.here{color:var(--accent);}
.nav nav a.here::after{content:"";position:absolute;left:0;right:0;bottom:-21px;height:2px;background:var(--accent);}
.nav nav a:hover{color:var(--accent);}
.nav .search{font-size:13px;color:var(--muted);border:1px solid var(--hair-2);border-radius:100px;padding:7px 16px 7px 13px;display:flex;align-items:center;gap:8px;cursor:text;background:var(--card);white-space:nowrap;flex-shrink:0;text-decoration:none;}
.nav .search:hover{border-color:var(--accent);color:var(--accent);}
.menu-btn{display:none;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--hair-2);border-radius:8px;background:var(--card);font-size:18px;cursor:pointer;color:var(--ink);}

/* mobile drawer (toggled by carnet-nav.js → body[data-menu="open"]) */
.drawer{position:fixed;inset:0;z-index:60;display:none;}
.drawer .scrim{position:absolute;inset:0;background:rgba(26,23,20,.42);opacity:0;transition:opacity .2s;}
.drawer .sheet{position:absolute;top:0;right:0;bottom:0;width:min(82vw,340px);background:var(--paper);border-left:1px solid var(--ink);transform:translateX(100%);transition:transform .24s cubic-bezier(.3,.7,.4,1);display:flex;flex-direction:column;padding:22px;}
.drawer .sheet .x{align-self:flex-end;width:40px;height:40px;border:1px solid var(--hair-2);border-radius:8px;background:var(--card);font-size:18px;cursor:pointer;}
.drawer .sheet a{font-family:var(--serif);font-size:24px;text-decoration:none;color:var(--ink);padding:14px 0;border-bottom:1px solid var(--hair);}
.drawer .sheet a:hover{color:var(--accent);}
.drawer .sheet .ds-search{margin-top:18px;font-size:14px;color:var(--muted);border:1px solid var(--hair-2);border-radius:100px;padding:11px 16px;text-decoration:none;display:flex;gap:8px;align-items:center;}
body[data-menu="open"] .drawer{display:block;}
body[data-menu="open"] .drawer .scrim{opacity:1;}
body[data-menu="open"] .drawer .sheet{transform:translateX(0);}

/* ---- BREADCRUMB --------------------------------------------------------- */
.crumb{padding:18px 0 0;font-size:12.5px;color:var(--muted);font-family:var(--mono);letter-spacing:.02em;}
.crumb a{text-decoration:none;}
.crumb a:hover{color:var(--accent);}

/* ---- RUNNING HEAD (registration ticks) ---------------------------------- */
.rh{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:11px 0;border-top:1px solid var(--ink);position:relative;}
.rh::before,.rh::after{content:"";position:absolute;top:-1px;width:9px;height:9px;border-top:1px solid var(--ink);}
.rh::before{left:0;border-left:1px solid var(--ink);}
.rh::after{right:0;border-right:1px solid var(--ink);}
.rh .sec-no{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--teal);font-weight:600;white-space:nowrap;}
.rh .sec-nm{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);font-weight:600;white-space:nowrap;}
.rh .sec-meta{font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--muted);white-space:nowrap;}

/* ---- IMAGE PLACEHOLDER -------------------------------------------------- */
.ph{position:relative;background:repeating-linear-gradient(135deg,#efe9df 0 11px,#e8e1d4 11px 22px);border:1px solid var(--hair-2);overflow:hidden;}
.ph::after{content:attr(data-label);position:absolute;left:10px;bottom:9px;font-family:var(--mono);font-size:10.5px;letter-spacing:.02em;color:#8d8474;background:rgba(255,255,255,.78);padding:3px 7px;border-radius:3px;max-width:88%;}
.ph .tag{position:absolute;top:10px;left:10px;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;font-weight:600;color:var(--muted);background:rgba(255,255,255,.82);padding:3px 8px;border-radius:3px;z-index:2;}
.ph .ticks{position:absolute;top:8px;right:8px;display:flex;gap:3px;}
.ph .ticks i{width:1px;height:10px;background:rgba(26,23,20,.35);display:block;}

/* ---- BUTTONS ------------------------------------------------------------ */
.btn{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;letter-spacing:.01em;text-decoration:none;padding:11px 18px;border:1px solid var(--accent);transition:background .15s,color .15s;white-space:nowrap;cursor:pointer;background:transparent;font-family:inherit;}
.btn.primary{background:var(--accent);color:#fff;}
.btn.primary:hover{background:var(--accent-deep);border-color:var(--accent-deep);}
.btn.secondary{color:var(--accent);}
.btn.secondary:hover{background:var(--accent);color:#fff;}
.btn.block{display:flex;justify-content:center;width:100%;}
.btn:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}

/* ---- CHIPS -------------------------------------------------------------- */
.chip{font-size:12.5px;text-decoration:none;color:var(--accent);border:1px solid var(--hair-2);border-radius:100px;padding:6px 13px;background:var(--paper);white-space:nowrap;}
.chip:hover{background:var(--accent);color:#fff;border-color:var(--accent);}
.chip.static{color:var(--muted);background:var(--card);}

/* ---- WINE FACTS PLATE --------------------------------------------------- */
.facts{background:var(--accent-deep);color:#F4E7E4;padding:0 30px;}
.facts .grid{display:grid;grid-template-columns:repeat(4,1fr);}
.facts .cell{padding:24px 24px 26px;border-left:1px solid rgba(255,255,255,.16);}
.facts .cell:first-child{border-left:0;padding-left:0;}
.facts .cell .k{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:rgba(244,231,228,.7);font-weight:600;}
.facts .cell .n{font-family:var(--serif);font-size:30px;line-height:1.05;margin-top:9px;color:#FBF3EA;}
.facts .cell .dsc{font-size:12.5px;color:rgba(244,231,228,.6);margin-top:6px;line-height:1.4;}

/* ---- FOOTER (dark plate) ------------------------------------------------ */
footer.carnet{background:var(--block-ink);color:#EFE6D8;}
footer.carnet .inner{padding:52px 0 58px;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;}
footer.carnet .fbrand{font-family:var(--serif);font-size:22px;color:#F6EFE2;}
footer.carnet .fbrand+p{font-size:14px;color:rgba(239,230,216,.66);margin:10px 0 0;max-width:38ch;}
footer.carnet .cols{display:flex;gap:60px;flex-wrap:wrap;}
footer.carnet .col h5{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-2);margin:0 0 12px;font-weight:600;}
footer.carnet .col a{display:block;font-size:14px;text-decoration:none;color:rgba(239,230,216,.82);margin-bottom:8px;}
footer.carnet .col a:hover{color:#fff;}
footer.carnet .meta{width:100%;border-top:1px solid rgba(255,255,255,.14);margin-top:32px;padding-top:18px;font-family:var(--mono);font-size:11.5px;color:rgba(239,230,216,.5);}

/* ---- RESPONSIVE --------------------------------------------------------- */
@media(max-width:880px){
  .facts .grid{grid-template-columns:repeat(2,1fr);}
  .facts .cell:nth-child(3){border-left:0;padding-left:0;}
}
@media(max-width:640px){
  :root{--gutter:20px;}
  .nav nav,.nav .search,.topbar .row .l{display:none;}
  .menu-btn{display:flex;}
  .facts .grid{grid-template-columns:1fr;}
  .facts .cell{border-left:0;padding-left:0;}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none !important;scroll-behavior:auto !important;}
}