/* Logikum v5 — CINEMATIC SCI-FI: cerebral arthouse film (Arrival / Dune / Ex Machina)
   Near-monochrome charcoal · hairline borders · vast negative space · letterbox · film grain
   Playfair Display (serif title cards) + IBM Plex Mono (FUI) + Golos Text (body) */
:root{
  --bg:#0a0c0e; --bg2:#070809; --panel:#101316; --panel2:#161a1e; --line:#23292e; --line2:#333b42;
  --txt:#e9eef1; --muted:#8b97a0; --dim:#5b656d;
  --accent:#a9d8e0; --accent2:#d9c79a; --warn:#c96f5a;
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);font-family:'Golos Text',system-ui,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;font-weight:400}
/* film grain + vignette */
body::after{content:"";position:fixed;inset:0;z-index:998;pointer-events:none;opacity:.5;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E")}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(120% 80% at 50% -10%,rgba(169,216,224,.07),transparent 55%),radial-gradient(100% 60% at 50% 120%,rgba(217,199,154,.05),transparent 60%)}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
h1,h2,h3,.display{font-family:'Playfair Display',Georgia,serif;font-weight:500;line-height:1.08;letter-spacing:.005em}
.mono{font-family:'IBM Plex Mono',monospace}
.muted{color:var(--muted)}.center{text-align:center}
.code{font-family:'IBM Plex Mono',monospace;text-transform:uppercase;letter-spacing:.32em;font-size:11px;color:var(--accent);font-weight:500}
.fade{opacity:0;transform:translateY(14px);animation:fade 1.2s cubic-bezier(.2,.7,.2,1) forwards}
.fade.d1{animation-delay:.1s}.fade.d2{animation-delay:.25s}.fade.d3{animation-delay:.4s}.fade.d4{animation-delay:.55s}
@keyframes fade{to{opacity:1;transform:none}}

/* nav */
header.nav{position:sticky;top:0;z-index:50;background:rgba(10,12,14,.78);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:24px;height:78px}
.brand{display:flex;align-items:center;gap:14px;font-family:'Playfair Display';font-weight:500;font-size:23px;letter-spacing:.04em}
.brand .ring{width:14px;height:14px;border:1.5px solid var(--accent);border-radius:50%}
.nav nav{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap;align-items:center}
.nav nav a{padding:9px 16px;font-family:'IBM Plex Mono',monospace;text-transform:uppercase;letter-spacing:.12em;font-size:12px;color:var(--muted);transition:.25s}
.nav nav a:hover,.nav nav a.active{color:var(--txt)}
.nav .cta{border:1px solid var(--line2);color:var(--accent)}
.nav .cta:hover{border-color:var(--accent)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line2);color:var(--txt);padding:8px 12px;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:12px;padding:14px 30px;font-family:'IBM Plex Mono',monospace;font-weight:500;text-transform:uppercase;letter-spacing:.16em;font-size:12px;cursor:pointer;border:1px solid var(--line2);background:transparent;color:var(--txt);transition:.3s;border-radius:1px}
.btn:hover{border-color:var(--accent);color:var(--accent);letter-spacing:.2em}
.btn-primary{background:var(--accent);color:#06181c;border-color:var(--accent)}
.btn-primary:hover{background:transparent;color:var(--accent)}
.btn-sm{padding:9px 16px;font-size:11px}

/* hero — title card */
.hero{position:relative;border-bottom:1px solid var(--line);min-height:88vh;display:flex;align-items:center;overflow:hidden}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.16;filter:grayscale(.7) contrast(1.05)}
.hero .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,14,.7),rgba(10,12,14,.5) 40%,rgba(10,12,14,.95))}
/* letterbox bars */
.hero::before,.hero::after{content:"";position:absolute;left:0;right:0;height:7vh;background:var(--bg2);z-index:3}
.hero::before{top:0;border-bottom:1px solid var(--line)}.hero::after{bottom:0;border-top:1px solid var(--line)}
.hero .wrap{position:relative;z-index:4;text-align:center;padding:60px 28px}
.hero .code{display:block;margin-bottom:30px}
.hero h1{font-size:clamp(52px,10vw,128px);font-weight:400;margin:0 0 22px;letter-spacing:.02em}
.hero .sub{font-family:'IBM Plex Mono';text-transform:uppercase;letter-spacing:.34em;font-size:13px;color:var(--muted);margin-bottom:26px}
.hero p.lead{max-width:600px;margin:0 auto 40px;color:var(--muted);font-size:18px;font-weight:300}
.hero .actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.scroll-cue{margin-top:60px;font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.3em;color:var(--dim);text-transform:uppercase}

/* sections */
section{padding:120px 0;position:relative}
.sec-head{max-width:680px;margin:0 auto 70px;text-align:center}
.sec-head .code{margin-bottom:18px;display:block}
.sec-head h2{font-size:clamp(32px,5vw,56px);font-weight:400;margin:0 0 14px}
.sec-head p{color:var(--muted);font-weight:300;font-size:17px}
.divider{width:1px;height:60px;background:linear-gradient(var(--line2),transparent);margin:0 auto}

/* quest cards — restrained dossier frames */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.card{background:var(--bg);transition:.4s;display:block;position:relative}
.card:hover{background:var(--panel)}
.card .ph{aspect-ratio:16/10;overflow:hidden;position:relative}
.card .ph img{width:100%;height:100%;object-fit:cover;filter:grayscale(.55) contrast(1.05);transition:.6s}
.card:hover .ph img{filter:grayscale(0);transform:scale(1.03)}
.card .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(10,12,14,.6))}
.card .num{position:absolute;top:14px;left:16px;font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.2em;color:var(--txt);z-index:2}
.card .city{position:absolute;top:14px;right:16px;font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.15em;color:var(--accent);z-index:2}
.card .body{padding:24px}
.card h3{font-size:24px;font-weight:400;margin:0 0 8px}
.card .genre{color:var(--muted);font-size:14px;font-weight:300;min-height:40px}
.card .meta{display:flex;gap:18px;color:var(--dim);font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.08em;margin:16px 0;flex-wrap:wrap}
.card .foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:18px}
.card .price{font-family:'Playfair Display';font-size:22px}.card .price span{font-family:'IBM Plex Mono';font-size:11px;color:var(--muted);letter-spacing:.1em}
.card .arrow{font-family:'IBM Plex Mono';font-size:12px;letter-spacing:.2em;color:var(--accent)}

/* chips */
.chips{display:flex;gap:0;flex-wrap:wrap;justify-content:center;margin-bottom:50px;border:1px solid var(--line);width:fit-content;margin-left:auto;margin-right:auto}
.chip{padding:11px 24px;font-family:'IBM Plex Mono';text-transform:uppercase;letter-spacing:.12em;font-size:11px;color:var(--muted);cursor:pointer;border-right:1px solid var(--line);transition:.25s}
.chip:last-child{border-right:0}
.chip:hover{color:var(--txt)}
.chip.active{background:var(--accent);color:#06181c}

/* feature */
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.feat .f{background:var(--bg);padding:40px 28px}
.feat .f .n{font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.2em;color:var(--accent);margin-bottom:18px}
.feat .f h3{font-size:21px;font-weight:400;margin:0 0 10px}
.feat .f p{color:var(--muted);font-weight:300;font-size:15px;margin:0}

/* quest detail */
.qhero{display:grid;grid-template-columns:1.15fr .85fr;gap:0;border:1px solid var(--line);margin-top:30px}
.qhero .gallery{padding:0;border-right:1px solid var(--line)}
.qhero .gallery .main{overflow:hidden;aspect-ratio:16/10}
.qhero .gallery .main img{width:100%;height:100%;object-fit:cover;filter:grayscale(.4) contrast(1.05)}
.qhero .thumbs{display:flex;gap:1px;background:var(--line)}
.qhero .thumbs img{width:25%;height:60px;object-fit:cover;cursor:pointer;opacity:.5;filter:grayscale(1);transition:.3s}
.qhero .thumbs img:hover,.qhero .thumbs img.on{opacity:1;filter:grayscale(0)}
.qhero .info{padding:40px}
.qhero h1{font-size:clamp(32px,4.6vw,52px);font-weight:400;margin:6px 0 10px}
.qbadges{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:22px 0}
.qbadge{background:var(--bg);padding:16px 18px}
.qbadge b{display:block;font-family:'Playfair Display';font-size:22px;font-weight:400}
.qbadge span{font-family:'IBM Plex Mono';font-size:10px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
.meter{height:1px;background:var(--line2);margin-top:10px;position:relative}
.meter i{position:absolute;left:0;top:-1px;height:3px;background:var(--warn)}
.pricebox{border:1px solid var(--line);margin-top:22px}
.pricebox .row{display:flex;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);font-family:'IBM Plex Mono';font-size:13px;letter-spacing:.04em}
.pricebox .row:last-child{border:0}.pricebox b{font-family:'Playfair Display';font-size:17px}

/* ===== booking board (shared classes; clinical) ===== */
.board-wrap{border:1px solid var(--line);padding:34px}
.board-top{display:flex;align-items:center;justify-content:center;gap:24px;margin-bottom:28px;position:relative}
.board-top .range{font-family:'IBM Plex Mono';text-transform:uppercase;letter-spacing:.22em;font-size:13px;color:var(--accent)}
.board-nav{width:44px;height:44px;border:1px solid var(--line2);background:transparent;color:var(--txt);cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:.25s;border-radius:50%}
.board-nav:hover{border-color:var(--accent);color:var(--accent)}
.board-top .l{position:absolute;left:0}.board-top .r{position:absolute;right:0}
.board{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--line);border:1px solid var(--line);min-width:760px}
.board .col-head{text-align:center;padding:14px 0;background:var(--bg2)}
.board .col-head .d{font-family:'Playfair Display';font-size:16px}
.board .col-head .w{font-family:'IBM Plex Mono';font-size:10px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
.board .col-head.we .d{color:var(--accent2)}
.slot{display:block;width:100%;text-align:center;padding:14px 6px;font-family:'IBM Plex Mono';font-size:13px;letter-spacing:.04em;cursor:pointer;border:0;background:var(--bg);color:var(--txt);transition:.2s;border-left:2px solid transparent}
.slot small{display:block;font-size:9px;margin-top:3px;letter-spacing:.1em;text-transform:uppercase}
.slot.weekday{border-left-color:var(--accent)}.slot.weekday:hover{background:var(--panel);color:var(--accent)}
.slot.weekend{border-left-color:var(--accent2)}.slot.weekend:hover{background:var(--panel);color:var(--accent2)}
.slot.promo{border-left-color:var(--warn);color:var(--warn)}.slot.promo:hover{background:var(--panel)}
.slot.booked{color:var(--dim);cursor:not-allowed;background:var(--bg2);text-decoration:line-through}
.slot.blocked{color:var(--dim);cursor:not-allowed;background:var(--bg2)}
.slot.past{opacity:.3;cursor:not-allowed;pointer-events:none}
.legend{display:flex;gap:28px;justify-content:center;flex-wrap:wrap;margin-top:26px;font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.legend span{display:flex;align-items:center;gap:9px}
.legend i{width:18px;height:2px;display:inline-block}
.lg-weekday{background:var(--accent)}.lg-weekend{background:var(--accent2)}.lg-promo{background:var(--warn)}.lg-booked{background:var(--dim)}
.board-scroll{overflow-x:auto}

/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(7,8,9,.9);backdrop-filter:blur(8px);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal-bg.on{display:flex}
.modal{background:var(--panel);border:1px solid var(--line2);max-width:460px;width:100%;padding:36px}
.modal h3{margin:0 0 4px;font-weight:400}
.modal .field{margin:18px 0}
.modal label,.field label{display:block;font-family:'IBM Plex Mono';font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.modal input,.modal select,.field input,.field select,.field textarea{width:100%;padding:13px 16px;border:1px solid var(--line2);background:var(--bg);color:var(--txt);font-size:15px;font-family:'Golos Text',sans-serif;border-radius:1px}
.modal input:focus,.modal select:focus{outline:none;border-color:var(--accent)}
.modal .summary{border:1px solid var(--line);padding:14px;margin:16px 0;font-family:'IBM Plex Mono';font-size:12px;letter-spacing:.06em}
.modal .summary b{color:var(--accent)}
.modal .x{float:right;background:none;border:1px solid var(--line2);color:var(--muted);width:34px;height:34px;font-size:18px;cursor:pointer}
.ok-msg{border:1px solid var(--accent);color:var(--accent);padding:16px;font-family:'IBM Plex Mono';font-size:13px}

/* prose */
.prose{max-width:760px;margin:0 auto}.prose p{color:var(--muted);font-weight:300;font-size:17px}
.prose img{margin:22px 0;filter:grayscale(.3)}

/* footer */
footer{border-top:1px solid var(--line);background:var(--bg2);padding:70px 0 36px;margin-top:40px}
.fcols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
footer h4{font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin:0 0 18px}
footer a{color:var(--muted);display:block;padding:5px 0;font-size:14px;font-weight:300}footer a:hover{color:var(--txt)}
.copyright{border-top:1px solid var(--line);margin-top:40px;padding-top:24px;font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.1em;text-transform:uppercase;text-align:center;color:var(--dim)}

@media(max-width:900px){
  .qhero{grid-template-columns:1fr}.qhero .gallery{border-right:0;border-bottom:1px solid var(--line)}
  .fcols{grid-template-columns:1fr 1fr}
  .nav nav{display:none;position:absolute;top:78px;left:0;right:0;flex-direction:column;background:var(--bg2);border-bottom:1px solid var(--line);padding:12px 24px}
  .nav nav.open{display:flex}.burger{display:block}
}
@media(max-width:560px){.fcols{grid-template-columns:1fr}.qbadges{grid-template-columns:1fr}}