/* ============================================================
   BC ATELIER — DESIGN SYSTEM  ·  base.css
   Tokens · reset · type · glass · buttons · nav · footer · core UI
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root{
  --f-disp:"Instrument Serif","Iowan Old Style",Georgia,"Times New Roman",serif;
  --f-sans:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --f-read:"Newsreader",Georgia,serif;

  --wrap:1240px;
  --gut:clamp(20px,4vw,48px);
  --sec-pad:clamp(88px,11vw,168px);

  --r-xs:6px; --r-sm:10px; --r-md:16px; --r-lg:22px; --r-xl:30px; --pill:999px;

  --ease:cubic-bezier(.22,.61,.21,1);
  --ease-out:cubic-bezier,.3,.7,.1,1;
  --nav-h:68px;
  --nav-gap:14px;
}
:root[data-theme="light"]{
  --bg:#F1ECE1; --bg-2:#E9E2D2; --card:#FAF7F0; --card-2:#F5F0E5;
  --ink:#24211A; --ink-2:#554E42; --ink-3:#8B8271;
  --line:rgba(36,33,26,.14); --line-2:rgba(36,33,26,.26);
  --clay:#A5522F; --clay-2:#B96A44; --on-clay:#FBF3EA;
  --moss:#5A5D41; --brass:#8F713C;
  --glass:rgba(250,247,240,.66); --glass-2:rgba(250,247,240,.82);
  --glass-brd:rgba(255,252,244,.62); --glass-in:rgba(255,255,255,.35);
  --glass-sh:0 12px 40px -14px rgba(56,40,16,.28);
  --shadow-s:0 2px 10px -4px rgba(56,40,16,.18);
  --shadow-m:0 18px 50px -22px rgba(56,40,16,.32);
  --sel:rgba(165,82,47,.16);
  --scheme:light;
}
:root[data-theme="dark"]{
  --bg:#17140F; --bg-2:#1F1B14; --card:#211D16; --card-2:#262119;
  --ink:#EFE8DA; --ink-2:#B6AC98; --ink-3:#82795F;
  --line:rgba(239,232,218,.13); --line-2:rgba(239,232,218,.24);
  --clay:#C97B52; --clay-2:#B96A44; --on-clay:#1D130B;
  --moss:#9BA07F; --brass:#BD9C65;
  --glass:rgba(23,20,15,.62); --glass-2:rgba(23,20,15,.8);
  --glass-brd:rgba(239,232,218,.13); --glass-in:rgba(239,232,218,.06);
  --glass-sh:0 16px 48px -18px rgba(0,0,0,.6);
  --shadow-s:0 2px 12px -4px rgba(0,0,0,.55);
  --shadow-m:0 22px 60px -24px rgba(0,0,0,.65);
  --sel:rgba(201,123,82,.22);
  --scheme:dark;
}

/* ---------- 2. RESET / BASE ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;color-scheme:var(--scheme)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--f-sans);font-size:16px;line-height:1.6;
  font-feature-settings:"ss01" 1;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  transition:background-color .5s var(--ease),color .5s var(--ease);
  overflow-x:hidden;
}
img,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--sel)}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:2px}
sub,sup{line-height:0}
h1,h2,h3,h4,p,figure,ul,ol,blockquote{margin:0}
ul{padding:0;list-style:none}
address{font-style:normal}
table{border-collapse:collapse}
.skip-link{position:fixed;left:12px;top:-48px;z-index:200;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:var(--r-sm);transition:top .2s}
.skip-link:focus{top:12px}

/* ---------- 3. TYPE ---------- */
.display{font-family:var(--f-disp);font-weight:400;letter-spacing:.004em;line-height:1.04}
.display i,.display em, i.disp{font-style:italic}
h1.display{font-size:clamp(2.7rem,7.2vw,5.6rem)}
.mono-label{
  font-family:var(--f-mono);font-size:.68rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);
}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--clay)}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.55}
.prose{max-width:64ch;color:var(--ink-2);font-size:1.02rem}
.prose b{color:var(--ink)}

/* ---------- 4. LAYOUT ---------- */
.wrap{width:min(var(--wrap),100% - calc(var(--gut) * 2));margin-inline:auto}
.section{padding-block:var(--sec-pad);position:relative}
.section--tight{padding-block:clamp(64px,8vw,110px)}
.rule{border:0;border-top:1px solid var(--line);margin:0}
.grid{display:grid;gap:clamp(20px,3vw,36px)}
.sec-head{max-width:var(--wrap);margin:0 auto clamp(36px,5vw,64px);position:relative}
.sec-head-top{display:flex;align-items:baseline;gap:16px;margin-bottom:18px;min-height:20px}
.sec-index{color:var(--brass)}
.sec-title{font-size:clamp(2rem,4.6vw,3.4rem);max-width:20ch}
.sec-sub{margin-top:16px;max-width:56ch;color:var(--ink-2)}
.sec-head--wide .sec-title{max-width:none}

/* ---------- 5. GLASS ---------- */
.glass,.glass-nav,.glass-chip,.glass-panel{
  background:var(--glass);
  -webkit-backdrop-filter:blur(18px) saturate(1.25);backdrop-filter:blur(18px) saturate(1.25);
  border:1px solid var(--glass-brd);
  box-shadow:var(--glass-sh), inset 0 1px 0 var(--glass-in);
}
.glass-panel{border-radius:var(--r-lg);background:var(--glass-2)}
.glass-chip{border-radius:var(--pill);background:var(--glass)}

/* ---------- 6. BUTTONS / TAGS ---------- */
.btn{
  --btn-py:12px;--btn-px:20px;
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:var(--btn-py) var(--btn-px);border-radius:var(--pill);
  font-family:var(--f-mono);font-size:.72rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  line-height:1.2;white-space:nowrap;cursor:pointer;
  transition:transform .35s var(--ease),background-color .35s,color .35s,border-color .35s,box-shadow .35s,opacity .3s;
  will-change:transform;
}
.btn svg{transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-book{background:var(--clay);color:var(--on-clay);box-shadow:0 10px 24px -12px color-mix(in srgb,var(--clay) 70%,transparent)}
.btn-book:hover{background:var(--ink);transform:translateY(-2px)}
:root[data-theme="dark"] .btn-book:hover{background:var(--ink);color:var(--bg)}
.btn-ghost{border:1px solid var(--line-2);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px);background:var(--card-2)}
.btn-ondark{border:1px solid rgba(250,247,240,.4);color:#FBF7EF;background:rgba(250,247,240,.06);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.btn-ondark:hover{background:rgba(250,247,240,.16);border-color:#FBF7EF}
.btn-line{padding:4px 0;color:var(--ink);font-family:var(--f-mono)}
.btn-line::after{content:"";display:block;height:1px;background:currentColor;transform:scaleX(.35);transform-origin:left;transition:transform .4s var(--ease)}
.btn-line:hover::after{transform:scaleX(1)}
.btn-lg{--btn-py:16px;--btn-px:26px;font-size:.76rem}
.btn-sm{--btn-py:9px;--btn-px:14px;font-size:.64rem}
.btn[disabled]{opacity:.45;pointer-events:none}
.btn-arrowlink{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink);border-bottom:1px solid var(--line-2);padding-bottom:6px}
.btn-arrowlink:hover{color:var(--clay);border-color:var(--clay)}
.btn-arrowlink svg{transition:transform .35s var(--ease)}
.btn-arrowlink:hover svg{transform:translateX(4px)}

.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border:1px solid var(--line);border-radius:var(--pill);font-family:var(--f-mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
.tag--clay{color:var(--clay);border-color:color-mix(in srgb,var(--clay) 45%,transparent)}
.tag--live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--moss);box-shadow:0 0 0 0 color-mix(in srgb,var(--moss) 60%,transparent);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--moss) 55%,transparent)}70%{box-shadow:0 0 0 8px transparent}100%{box-shadow:0 0 0 0 transparent}}
.tag--warm{color:var(--clay);border-color:color-mix(in srgb,var(--clay) 40%,transparent)}

/* ---------- 7. HEADER / FLOATING NAV ---------- */
.site-nav{position:fixed;inset-inline:0;top:0;z-index:90;padding:var(--nav-gap) var(--gut) 0;display:flex;justify-content:center;pointer-events:none;transition:padding .4s var(--ease)}
.nav-inner{
  pointer-events:auto;width:min(var(--wrap),100%);height:var(--nav-h);
  display:flex;align-items:center;gap:clamp(14px,2.6vw,34px);
  padding:0 10px 0 20px;border-radius:var(--pill);
  transition:height .4s var(--ease),background-color .4s,box-shadow .4s,border-color .4s,backdrop-filter .4s;
}
.is-scrolled .nav-inner{--nav-h:56px;background:var(--glass-2);box-shadow:var(--glass-sh)}
.hero-dark .nav-inner{--glass:rgba(23,20,15,.18);--glass-2:rgba(20,17,12,.6);--glass-brd:rgba(250,247,240,.16);--ink-3:rgba(245,239,228,.66);--line-2:rgba(245,239,228,.4);color:#F5EFE4}
.hero-dark.is-scrolled .nav-inner{--glass-2:rgba(20,17,12,.8)}
.brand{display:inline-flex;align-items:center;gap:10px;margin-right:4px}
.brand-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  border:1px solid currentColor;font-family:var(--f-mono);font-size:.7rem;font-weight:600;letter-spacing:.06em;
  color:var(--clay);transition:transform .45s var(--ease),background-color .45s,color .45s;
}
.brand:hover .brand-mark{transform:rotate(-6deg) scale(1.05);background:var(--clay);color:var(--on-clay)}
.brand-word{font-family:var(--f-disp);font-size:1.32rem;letter-spacing:.01em;color:inherit}
.brand-word i{color:var(--clay);font-style:italic}
.nav-links{display:flex;align-items:center;gap:clamp(12px,1.8vw,26px);margin-left:6px}
.nav-link{position:relative;font-family:var(--f-mono);font-size:.66rem;font-weight:500;letter-spacing:.15em;text-transform:uppercase;padding:8px 2px;color:inherit;opacity:.82}
.nav-link::after{content:"";position:absolute;left:0;right:12px;bottom:2px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.nav-link:hover{opacity:1}.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{opacity:1;color:var(--clay)}
:root .hero-dark .nav-link.is-active{color:#E8B491}
.hero-dark .nav-link.is-active::after{transform:scaleX(1)}
.nav-utils{margin-left:auto;display:flex;align-items:center;gap:12px}
.clock-chip{display:flex;align-items:center;gap:9px;padding:8px 14px;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.06em}
.clock-chip svg{opacity:.7}
.clock-city{color:var(--ink-3)}
.clock-time{font-variant-numeric:tabular-nums;font-weight:500;min-width:3.6ch}
.theme-toggle{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1px solid var(--line-2);color:inherit;transition:border-color .3s,transform .4s var(--ease),background-color .3s}
.theme-toggle:hover{transform:rotate(20deg);border-color:currentColor}
.theme-toggle .ic-moon{display:none}
:root[data-theme="dark"] .theme-toggle .ic-sun{display:none}
:root[data-theme="dark"] .theme-toggle .ic-moon{display:block}
.hero-dark .nav-cta{background:#FBF7EF;color:#241F17;box-shadow:none}
.hero-dark .nav-cta:hover{background:var(--clay);color:var(--on-clay)}
.menu-btn{display:none;flex-direction:column;justify-content:center;gap:5px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line-2);align-items:center}
.menu-btn span{display:block;width:14px;height:1.5px;background:currentColor;transition:transform .3s var(--ease),opacity .3s}
.menu-btn:hover span:first-child{transform:translateX(-2px)}
.menu-btn:hover span:last-child{transform:translateX(2px)}

/* mobile menu overlay */
.menu-overlay{position:fixed;inset:0;z-index:99;background:var(--bg);display:flex;flex-direction:column;justify-content:space-between;padding:26px 26px 34px;clip-path:inset(0 0 100% 0);opacity:0;pointer-events:none;transition:clip-path .6s var(--ease),opacity .4s}
.menu-overlay.open{clip-path:inset(0 0 0 0);opacity:1;pointer-events:auto}
.menu-top{display:flex;align-items:center;justify-content:space-between}
.menu-close{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.m-menu{display:flex;flex-direction:column;gap:4px;margin:6vh 0}
.m-menu-link{display:flex;align-items:baseline;gap:16px;font-family:var(--f-disp);font-size:clamp(2.2rem,9vw,3.1rem);line-height:1.12;color:var(--ink);opacity:0;transform:translateY(18px);transition:opacity .4s var(--ease) calc(var(--i,1)*60ms),transform .5s var(--ease) calc(var(--i,1)*60ms),color .3s}
.menu-overlay.open .m-menu-link{opacity:1;transform:none}
.m-menu-link .mono-label{font-size:.6rem;color:var(--brass)}
.m-menu-link:active,.m-menu-link:hover{color:var(--clay)}
.m-menu-tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px}
.m-menu-book{width:100%}
.m-menu-meta{margin-top:20px}
.m-weather{font-variant-numeric:tabular-nums;color:var(--ink-2)}

/* ---------- 8. FOOTER ---------- */
.site-footer{margin-top:calc(var(--sec-pad) * .8);border-top:1px solid var(--line);background:var(--bg-2);transition:background-color .5s}
.f-cta{padding:clamp(64px,9vw,120px) 0 clamp(48px,7vw,90px);border-bottom:1px solid var(--line);display:grid;gap:22px;justify-items:start}
.f-cta-head{font-size:clamp(2.6rem,7vw,5rem)}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.1fr;gap:clamp(24px,4vw,48px);padding:clamp(44px,6vw,80px) 0}
.f-brand .brand-lg .brand-word{font-size:1.6rem}
.f-addr{margin-top:18px;color:var(--ink-2);font-size:.92rem;line-height:1.7}
.f-contact{margin-top:12px;font-size:.92rem}
.f-contact a{border-bottom:1px solid transparent;transition:border-color .3s}
.f-contact a:hover{border-color:var(--clay)}
.f-note{margin-top:16px;color:var(--ink-3);font-size:.85rem;max-width:34ch}
.f-social{display:flex;gap:16px;margin-top:18px}
.f-social a{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);border-bottom:1px solid var(--line-2);padding-bottom:3px;transition:color .3s,border-color .3s}
.f-social a:hover{color:var(--clay);border-color:var(--clay)}
.f-col p.mono-label{margin-bottom:16px}
.f-links{display:grid;gap:9px}
.f-links a{color:var(--ink-2);font-size:.92rem;transition:color .25s,transform .25s;display:inline-block}
.f-links a:hover{color:var(--ink);transform:translateX(3px)}
.f-hours{display:grid;gap:9px;font-size:.88rem;color:var(--ink-2)}
.f-hours li{display:flex;justify-content:space-between;gap:18px;max-width:24ch}
.f-hours li span:last-child{color:var(--ink-3)}
.f-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding:20px 0 26px;border-top:1px solid var(--line)}
.f-redesign code{font-family:var(--f-mono);font-size:.62rem}

/* sticky mobile booking bar */
.sticky-book{position:fixed;left:12px;right:12px;bottom:12px;z-index:80;display:none;align-items:center;justify-content:space-between;gap:14px;padding:10px 12px 10px 18px;border-radius:var(--pill);transform:translateY(90px);opacity:0;transition:transform .45s var(--ease),opacity .45s}
.sticky-book.show{transform:none;opacity:1}
.sticky-book .sb-info{display:grid;line-height:1.25}
.sticky-book .sb-info b{font-size:.9rem;font-weight:600}
.sticky-book .sb-info .mono-label{font-size:.56rem}

/* ---------- 9. MOTION UTILITIES ---------- */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal-d1{transition-delay:.08s}.js .reveal-d2{transition-delay:.16s}.js .reveal-d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
}
.kb{transition:transform 1.6s var(--ease)}
a:hover .kb,.plate:hover .kb,figure:hover .kb{transform:scale(1.045)}
@keyframes kb-drift{from{transform:scale(1.01)}to{transform:scale(1.09)}}
.marquee{border-block:1px solid var(--line);overflow:hidden;padding:12px 0;background:var(--bg-2);transition:background .5s,border-color .5s}
.mq-track{display:flex;width:max-content;animation:mq 46s linear infinite;will-change:transform}
.marquee:hover .mq-track{animation-play-state:paused}
.mq-row{white-space:nowrap;padding-right:2ch}
@keyframes mq{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.mq-track{animation:none}}

/* ---------- 10. RESPONSIVE ---------- */
@media (max-width:1180px){
  .f-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}
  .f-grid .f-brand{grid-column:1 / -1}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .clock-chip{display:none}
  .nav-cta{display:none}
  .menu-btn{display:flex}
  :root{--nav-h:60px}
}
@media (max-width:860px){
  .f-grid{grid-template-columns:1fr 1fr}
  .sticky-book{display:flex}
  body.on-book .sticky-book{display:none}
}
@media (max-width:640px){
  .sec-title{font-size:clamp(1.8rem,7.6vw,2.6rem)}
  .f-grid{grid-template-columns:1fr}
}

/* ---------- 11. FX EXTRAS ---------- */
[data-parallax]{transform:translateY(var(--pxy,0px))}
.exit-card{position:fixed;right:24px;bottom:24px;z-index:110;width:min(360px,calc(100vw - 40px));padding:26px 26px 22px;border-radius:var(--r-xl);opacity:0;transform:translateY(20px) scale(.98);transition:opacity .4s var(--ease),transform .45s var(--ease)}
.exit-card.show{opacity:1;transform:none}
.exit-card .mono-label{color:var(--clay)}
.exit-card h3{font-size:1.7rem;font-family:var(--f-disp);font-weight:400;margin:8px 0 6px}
.exit-card p{font-size:.9rem;color:var(--ink-2);margin-bottom:16px}
.exit-x{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);padding:10px 12px}
.exit-x:hover{color:var(--ink)}

/* ---------- 12. HERO CONTRAST & NAV SPACING (QA pass 1) ---------- */
.hero .hero-veil{background:
  linear-gradient(100deg, rgba(14,10,6,.62) 0%, rgba(14,10,6,.22) 42%, rgba(14,10,6,.06) 60%, rgba(14,10,6,.4) 100%),
  linear-gradient(180deg, rgba(16,12,8,.45) 0%, rgba(16,12,8,.08) 30%, rgba(16,12,8,.55) 76%, rgba(16,12,8,.85) 100%)}
.hero-title{text-shadow:0 2px 40px rgba(10,7,3,.45), 0 1px 4px rgba(10,7,3,.35)}
.hero-sub{text-shadow:0 1px 22px rgba(10,7,3,.5)}
.hero .nav-inner{--line-2:rgba(245,239,228,.4)}
.clock-chip{margin-right:2px}
.nav-inner .theme-toggle{margin-left:2px}
.nav-inner .nav-cta{margin-left:8px}
.scroll-cue{font-size:.64rem;letter-spacing:.18em;color:rgba(248,243,233,.88);gap:14px;text-shadow:0 1px 14px rgba(0,0,0,.6)}
.hero-chip-note{text-shadow:0 1px 12px rgba(0,0,0,.5);opacity:.85}
.concierge{box-shadow:var(--glass-sh), inset 0 1px 0 rgba(255,255,255,.14)}

/* ---------- QA pass 2 ---------- */
.nav-cta{padding:10px 18px}
.clock-chip{padding:9px 14px}