/* Havlys: the page takes its colours from the light on the date you pick */
:root{
  --serif:"Newsreader",Georgia,serif;
  --sans:"Instrument",system-ui,sans-serif;
  --pad:clamp(16px,4vw,56px);
  --r:14px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
/* sky themes: night & blue are dark pages, gold is a warm light page */
html[data-sky="night"]{--bg:#070f1a;--surface:#0e1a29;--ink:#e6edf2;--muted:#9fb1c2;--line:rgba(230,237,242,.14);--accent:#7fe3b4;--accent-ink:#06261a;--hero-ink:#eef3f6;--frame:#d9d3c6;--rb-night:#13253a;--rb-tw:#33557a;--rb-day:#e8dcbf}
html[data-sky="blue"]{--bg:#0f1a2e;--surface:#172640;--ink:#eef1f6;--muted:#adb9cc;--line:rgba(238,241,246,.15);--accent:#f2b9a2;--accent-ink:#3a1406;--hero-ink:#f4f1ee;--frame:#ddd6c9;--rb-night:#1c2f4d;--rb-tw:#3f6290;--rb-day:#efdcbc}
html[data-sky="gold"]{--bg:#f5eee3;--surface:#fffaf2;--ink:#1c232e;--muted:#5b6370;--line:rgba(28,35,46,.14);--accent:#a84a1f;--accent-ink:#fff8f0;--hero-ink:#fffaf2;--frame:#fbf7ef;--rb-night:#2a3a52;--rb-tw:#6f89ab;--rb-day:#f3d29e}
html{background:var(--bg);color:var(--ink);transition:background-color .8s var(--ease),color .8s var(--ease);scroll-behavior:smooth;-webkit-text-size-adjust:100%}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;font:400 1.0625rem/1.6 var(--sans);background:var(--bg);transition:background-color .8s var(--ease);overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:-.015em;line-height:1.05;margin:0;text-wrap:balance}
p{margin:0}
a{color:inherit}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:50;background:var(--surface);padding:10px 14px;border-radius:8px}
.skip:focus{top:12px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

/* header floats over the sky */
.top{position:absolute;inset:0 0 auto;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:18px var(--pad);color:var(--hero-ink);transition:color .8s var(--ease)}
.brand{display:flex;align-items:center;gap:10px;font:500 1.45rem/1 var(--serif);text-decoration:none;letter-spacing:-.01em}
.brand svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
.top__nav{display:flex;gap:clamp(14px,2.4vw,32px);font-size:.95rem}
.top__nav a{text-decoration:none;opacity:.88}
.top__nav a:hover{opacity:1;text-decoration:underline;text-underline-offset:5px}

/* 1. HERO */
.hero{position:relative;min-height:max(100svh,700px);display:flex;flex-direction:column;justify-content:space-between;isolation:isolate;overflow:hidden}
.scene{position:absolute;inset:0;z-index:-1;background:#0f1a2e}
.layer,.stars,.aurora,.glow{position:absolute;inset:0;width:100%;height:100%}
.layer{object-fit:cover;object-position:60% 30%;transition:opacity .9s var(--ease)}
.layer--gold,.layer--night{opacity:0}
.js .layer--night{opacity:1}
.stars{opacity:0;transition:opacity 1.2s var(--ease)}
.aurora{mix-blend-mode:screen}
.glow{background:radial-gradient(120% 70% at 50% 18%,rgba(90,240,170,.22),transparent 60%);opacity:0;mix-blend-mode:screen;transition:opacity 1.2s var(--ease)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,rgba(6,12,22,.55),rgba(6,12,22,.2) 42%,transparent 62%),linear-gradient(180deg,rgba(6,12,22,.35),transparent 26%);transition:opacity .8s}
html[data-sky="gold"] .hero::after{background:linear-gradient(90deg,rgba(38,22,10,.6),rgba(38,22,10,.25) 42%,transparent 62%),linear-gradient(180deg,rgba(38,22,10,.3),transparent 26%)}
.hero__copy{padding:clamp(96px,14vh,150px) var(--pad) 0;color:var(--hero-ink);max-width:min(980px,100%);transition:color .8s var(--ease)}
.hero__place{font-size:.98rem;opacity:.9;margin-bottom:14px}
.hero h1{font-size:clamp(2.3rem,4.9vw,4.7rem);font-weight:450;max-width:18ch}
.hero h1 span{display:block;font-weight:300;opacity:.92}
.hero__shown{margin-top:16px;font-size:.98rem;opacity:.85;max-width:44ch}
.hero__shown b{font-weight:600}

/* the date dial */
.dial{margin:0 var(--pad) var(--pad);display:grid;grid-template-columns:1fr minmax(250px,300px);gap:clamp(18px,3vw,40px);align-items:stretch;padding:clamp(16px,2vw,24px);border-radius:var(--r);background:color-mix(in srgb,var(--surface) 84%,transparent);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);border:1px solid var(--line);transition:background-color .8s var(--ease),border-color .8s var(--ease)}
.ribbon{position:relative;height:clamp(104px,15vh,140px);border-radius:8px;overflow:hidden;touch-action:pan-y}
.ribbon__chart{position:absolute;inset:0;width:100%;height:100%;display:block}
.ribbon__chart .c-night{fill:var(--rb-night);transition:fill .8s}
.ribbon__chart .c-tw{fill:var(--rb-tw);transition:fill .8s}
.ribbon__chart .c-day{fill:var(--rb-day);transition:fill .8s}
.ribbon__chart .c-aur{fill:#6fdcaa}
.ribbon__chart .c-month{stroke:rgba(0,0,0,.18);stroke-width:1;vector-effect:non-scaling-stroke}
.ribbon__ten{position:absolute;left:0;right:0;top:calc(22 / 24 * 100%);border-top:1px dashed rgba(255,255,255,.55);pointer-events:none}
.ribbon__ten span{position:absolute;right:6px;top:-18px;font-size:.72rem;color:#fff;opacity:.85}
.ribbon__pick{position:absolute;top:0;bottom:0;left:0;width:2px;margin-left:-1px;background:var(--ink);pointer-events:none;transition:left .12s linear}
.ribbon__pick::after{content:"";position:absolute;left:50%;top:calc(22 / 24 * 100%);width:12px;height:12px;margin:-6px 0 0 -6px;border-radius:50%;background:var(--ink);box-shadow:0 0 0 3px var(--surface)}
.ribbon__pick span{position:absolute;top:6px;left:8px;white-space:nowrap;font-size:.78rem;font-weight:600;padding:2px 7px;border-radius:5px;background:var(--surface);color:var(--ink)}
.ribbon__pick.is-end span{left:auto;right:8px}
.ribbon__input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;-webkit-appearance:none;appearance:none}
.ribbon:has(.ribbon__input:focus-visible){outline:2px solid var(--accent);outline-offset:3px}
.ribbon__months{position:relative;height:22px;margin-top:6px;font-size:.76rem;color:var(--muted)}
.ribbon__months span{position:absolute;top:0;transform:translateX(2px)}
.ribbon__key{display:flex;flex-wrap:wrap;gap:4px 14px;margin-top:4px;font-size:.78rem;color:var(--muted);align-items:center}
.k{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.k--day{background:var(--rb-day)}.k--tw{background:var(--rb-tw)}.k--night{background:var(--rb-night);box-shadow:inset 0 0 0 1px var(--line)}.k--aur{background:#6fdcaa}
.readout{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 18px;align-content:center}
.readout div:nth-child(4),.readout div:nth-child(5){grid-column:span 1}
.readout dt{font-size:.78rem;color:var(--muted)}
.readout dd{margin:2px 0 0;font:500 1.2rem/1.15 var(--serif);font-variant-numeric:tabular-nums lining-nums}
.readout div:nth-child(4) dd{color:var(--accent)}

/* section scaffolding */
section:not(.hero){padding:clamp(72px,10vw,128px) var(--pad)}
.head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(16px,4vw,64px);align-items:end;margin-bottom:clamp(32px,5vw,56px)}
.head h2{font-size:clamp(2.1rem,4.6vw,3.8rem)}
.head p{color:var(--muted);max-width:46ch}
.head p b{color:var(--ink);font-weight:600}

/* 2. CABINS: arched windows with mullions */
.cabins__row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,44px)}
.window{position:relative;aspect-ratio:4/5;border-radius:999px 999px 8px 8px;border:clamp(8px,1vw,12px) solid var(--frame);box-shadow:0 1px 0 var(--line),0 24px 50px -30px rgba(0,0,0,.6);transition:border-color .8s}
.window img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease)}
.window{--mw:clamp(6px,.7vw,9px);perspective:900px;perspective-origin:50% 45%}
.window__view{position:absolute;inset:0;border-radius:999px 999px 2px 2px;overflow:hidden;background:#0b1420}
.cabin:hover,.cabin.is-open{position:relative;z-index:2}
.window img{filter:saturate(.82) brightness(.9);transition:transform 1.4s var(--ease),filter 1s var(--ease)}
/* two casement sashes: frame, a glazing bar, glass with a reflection and a latch */
.sash{position:absolute;top:0;bottom:0;width:50%;z-index:1;box-shadow:inset 0 0 0 calc(var(--mw) / 2) var(--frame);background:linear-gradient(118deg,rgba(255,255,255,.2) 0 14%,rgba(255,255,255,.05) 26%,transparent 46%,rgba(255,255,255,.07) 70%,transparent 82%),rgba(150,176,198,.16);outline:1px solid rgba(0,0,0,.08);transition:transform 1.15s cubic-bezier(.3,.7,.2,1),box-shadow .8s,opacity .6s;backface-visibility:hidden;will-change:transform}
.sash::before{content:"";position:absolute;left:0;right:0;top:44%;height:var(--mw);background:var(--frame);transition:background-color .8s}
.sash::after{content:"";position:absolute;top:52%;width:5px;height:22px;border-radius:3px;background:linear-gradient(#d9b46a,#8c6a2c);box-shadow:0 1px 2px rgba(0,0,0,.4)}
.sash--l{left:0;transform-origin:0 50%;border-top-left-radius:100% 40%}
.sash--l::after{right:calc(var(--mw) + 4px)}
.sash--r{right:0;transform-origin:100% 50%;transition-delay:.06s;border-top-right-radius:100% 40%}
.sash--r::after{left:calc(var(--mw) + 4px)}
.cabin:hover .sash--l,.cabin.is-open .sash--l{transform:rotateY(74deg)}
.cabin:hover .sash--r,.cabin.is-open .sash--r{transform:rotateY(-74deg)}
.cabin:hover .window img,.cabin.is-open .window img{transform:scale(1.05);filter:none}
.cabin{cursor:default}
.cabin h3{font-size:clamp(1.6rem,2.4vw,2.1rem);margin:22px 0 8px}
.cabin h3 small{font:400 .95rem var(--sans);color:var(--muted);margin-left:6px;letter-spacing:0}
.cabin p{color:var(--muted);max-width:40ch}
.cabin__meta{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:.92rem;color:var(--ink)!important}
.cabin__meta b{font-weight:600;font-variant-numeric:tabular-nums}
.cabins__inc{margin-top:clamp(28px,4vw,44px);color:var(--muted);font-size:.98rem}

/* 3. SEASONS */
.seasons{background:var(--surface);transition:background-color .8s}
.seasons__tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:clamp(28px,4vw,44px)}
.seasons__tabs button{border:1px solid var(--line);background:transparent;padding:9px 16px;border-radius:999px;cursor:pointer;font-size:.95rem;font-variant-numeric:tabular-nums}
.seasons__tabs button:hover{border-color:var(--ink)}
.seasons__tabs button[aria-selected="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.season{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(24px,5vw,72px);align-items:center}
.season__photo{margin:0;position:relative}
.season__photo img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r);transition:opacity .45s var(--ease)}
.season__photo img.is-out{opacity:0}
.season__photo figcaption{margin-top:10px;font-size:.85rem;color:var(--muted)}
.season__no{font-size:.95rem;color:var(--accent);margin-bottom:10px}
.season h3{font-size:clamp(1.9rem,3.6vw,3rem);max-width:16ch}
.season__list{list-style:none;margin:28px 0 0;padding:0;counter-reset:s}
.season__list li{counter-increment:s;display:grid;grid-template-columns:2.2rem 1fr;column-gap:8px;padding:16px 0;border-top:1px solid var(--line);color:var(--muted)}
.season__list li::before{content:counter(s,decimal-leading-zero);grid-row:span 2;font:500 .9rem/1.9 var(--sans);color:var(--ink);font-variant-numeric:tabular-nums}
.season__list b{display:block;color:var(--ink);font-weight:600;font-size:1.05rem}
.season__text.is-out{opacity:0;transform:translateY(6px)}
.season__text{transition:opacity .4s var(--ease),transform .4s var(--ease)}

/* 4. BOOK */
.book__form{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(24px,5vw,72px);align-items:start}
.cal{border:1px solid var(--line);border-radius:var(--r);padding:clamp(14px,2vw,24px)}
.cal__bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.cal__month{font:500 1.5rem/1 var(--serif)}
.cal__nav{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:transparent;cursor:pointer;font-size:1.4rem;line-height:1}
.cal__nav:hover:not(:disabled){border-color:var(--ink)}
.cal__nav:disabled{opacity:.3;cursor:default}
.cal__dow,.cal__grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.cal__dow span{text-align:center;font-size:.78rem;color:var(--muted);padding-bottom:6px}
.cal__day{position:relative;height:clamp(42px,5.4vw,56px);border:0;border-radius:8px;background:transparent;cursor:pointer;font-variant-numeric:tabular-nums;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;line-height:1}
.cal__day small{font-size:.62rem;color:var(--muted);letter-spacing:.01em}
.cal__day:hover:not(:disabled){background:var(--line)}
.cal__day:disabled{opacity:.28;cursor:default}
.cal__day.is-range{background:color-mix(in srgb,var(--accent) 22%,transparent);border-radius:0}
.cal__day.is-start,.cal__day.is-end{background:var(--accent);color:var(--accent-ink);border-radius:8px}
.cal__day.is-start small,.cal__day.is-end small{color:var(--accent-ink);opacity:.8}
.cal__day.is-today::after{content:"";position:absolute;bottom:5px;width:4px;height:4px;border-radius:50%;background:currentColor}
.cal__hint{margin-top:12px;font-size:.88rem;color:var(--muted)}
.book__side{display:grid;gap:16px}
.pick{border:0;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.pick legend{font-size:.85rem;color:var(--muted);margin-bottom:8px;padding:0}
.pick label{position:relative;cursor:pointer}
.pick input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.pick span{display:block;padding:12px;border:1px solid var(--line);border-radius:10px;font-weight:600;transition:border-color .2s,background-color .2s}
.pick small{display:block;font-weight:400;font-size:.8rem;color:var(--muted)}
.pick input:checked+span{border-color:var(--ink);background:color-mix(in srgb,var(--ink) 8%,transparent)}
.pick input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.sum{padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sum p:first-child{color:var(--muted);font-size:.95rem}
.sum__total{font:500 2rem/1.1 var(--serif);margin-top:4px;font-variant-numeric:tabular-nums}
.sum__total small{display:block;font:400 .85rem var(--sans);color:var(--muted);margin-top:4px}
.field{display:grid;gap:6px}
.field label{font-size:.85rem;color:var(--muted)}
.field input,.field textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:color-mix(in srgb,var(--bg) 60%,transparent)}
.field input:focus,.field textarea:focus{border-color:var(--ink);outline:none}
.field input[aria-invalid="true"]{border-color:#e0705c}
.err{color:#ef8a76;font-size:.85rem}
html[data-sky="gold"] .err{color:#b23a22}
.btn{appearance:none;border:0;border-radius:999px;padding:16px 22px;background:var(--ink);color:var(--bg);font-weight:600;cursor:pointer;transition:transform .2s var(--ease),opacity .2s}
.btn:hover{opacity:.9}
.btn:active{transform:scale(.98)}
.note{font-size:.82rem;color:var(--muted)}
.is-sent .btn{pointer-events:none}

/* 5. GETTING HERE */
.here{position:relative;min-height:70vh;display:flex;align-items:flex-end;color:#f3f5f7;isolation:isolate}
.here img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.here::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(6,10,16,.78),rgba(6,10,16,.1) 70%)}
.here h2{font-size:clamp(2.1rem,4.6vw,3.8rem);margin-bottom:18px}
.here ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 36px}
.here b{font-weight:600}
.foot{padding:32px var(--pad) 40px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 32px;font-size:.88rem;color:var(--muted);border-top:1px solid var(--line)}
.foot b{color:var(--ink)}

/* credits page */
.cr{max-width:760px;margin:0 auto;padding:64px 16px}
.cr h1{font-size:2.6rem;margin:24px 0 16px}
.cr__muted{color:var(--muted)}
.cr ul{margin-top:28px;padding-left:18px;display:grid;gap:14px}
.cr__end{margin-top:28px}

/* reveal */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .rv.in{opacity:1;transform:none}

@media (max-width:980px){
  .dial{grid-template-columns:1fr}
  .readout{grid-template-columns:repeat(5,auto);justify-content:space-between}
}
@media (max-width:760px){
  .top__nav{gap:14px;font-size:.9rem}
  .hero{min-height:0;display:block}
  .scene{position:absolute;inset:0 0 auto;height:min(86svh,720px)}
  .layer{object-position:66% 30%}
  .hero::after,html[data-sky="gold"] .hero::after{height:min(86svh,720px);background:linear-gradient(0deg,rgba(6,12,22,.82),rgba(6,12,22,.35) 40%,transparent 62%),linear-gradient(180deg,rgba(6,12,22,.4),transparent 18%)}
  html[data-sky="gold"] .hero::after{background:linear-gradient(0deg,rgba(38,22,10,.8),rgba(38,22,10,.3) 40%,transparent 62%),linear-gradient(180deg,rgba(38,22,10,.3),transparent 18%)}
  .hero__copy{min-height:min(86svh,720px);display:flex;flex-direction:column;justify-content:flex-end;padding-top:92px;padding-bottom:56px}
  .hero h1{font-size:clamp(2.2rem,9.4vw,3.2rem)}
  .dial{margin:-36px 12px 0;position:relative;padding:14px}
  .readout{grid-template-columns:1fr 1fr;justify-content:stretch}
  .readout div:nth-child(5){grid-column:span 2}
  .head,.season,.book__form{grid-template-columns:1fr}
  .cabins__row{grid-template-columns:1fr;gap:48px}
  .window{max-width:420px}
  .pick{grid-template-columns:1fr}
  .pick span{display:flex;justify-content:space-between;align-items:baseline}
  .here{min-height:60vh}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
  .js .rv{opacity:1;transform:none}
  .cabin:hover .sash,.cabin.is-open .sash{transform:none;opacity:0}
}