:root{
  --navy:#0b2a3f; --ink:#1b2b36; --muted:#5d6f7b; --sand:#f6efe4; --paper:#fffdf9;
  --sea:#1d7a8c; --sea-dark:#155f6e; --coral:#e8734a; --line:#e4ddd0; --booked:#d9d6cf;
  --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 Inter,system-ui,sans-serif;color:var(--ink);background:var(--paper)}
h1,h2,h3{font-family:Fraunces,Georgia,serif;font-weight:600;line-height:1.15;margin:0 0 .5em;color:var(--navy)}
h1{font-size:clamp(2.4rem,6vw,4.4rem)}
h2{font-size:clamp(1.7rem,3.5vw,2.4rem)}
a{color:var(--sea)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.muted{color:var(--muted)}
.section{padding:72px 20px}
.section.alt{background:var(--sand)}
.section>h2{max-width:1120px;margin:0 auto 24px}

/* nav */
.nav{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;
  padding:12px 24px;background:rgba(255,253,249,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{font:600 1.25rem Fraunces,serif;color:var(--navy);text-decoration:none}
.nav nav{display:flex;gap:20px;align-items:center}
.nav nav a{color:var(--ink);text-decoration:none;font-size:.95rem}
.nav nav a:hover{color:var(--sea)}

/* buttons */
.btn{display:inline-block;background:var(--coral);color:#fff!important;padding:14px 26px;border-radius:999px;
  font-weight:600;text-decoration:none;border:0;cursor:pointer;font-size:1rem;transition:transform .15s,background .15s}
.btn:hover{background:#d4623a;transform:translateY(-1px)}
.btn-small{padding:8px 16px;font-size:.9rem}
.btn.full{width:100%}
.btn:disabled{background:#c9c4bb;cursor:not-allowed;transform:none}

/* hero */
.hero{position:relative;color:#fff;min-height:78vh;display:flex;align-items:center;
  background:
    linear-gradient(180deg,rgba(11,42,63,.72) 0%,rgba(11,42,63,.35) 55%,rgba(11,42,63,.15) 100%),
    var(--hero-img,linear-gradient(180deg,#14506a 0%,#1d7a8c 55%,#7fc3c9 100%)) center/cover no-repeat}
.hero h1,.hero .lead,.hero .rating{text-shadow:0 2px 12px rgba(0,0,0,.35)}
.hero-inner{max-width:1120px;margin:0 auto;padding:80px 20px 140px;width:100%}
.hero h1{color:#fff;max-width:12ch}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;opacity:.9;margin:0 0 12px}
.lead{font-size:1.2rem;max-width:34rem;opacity:.95}
.hero-facts{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0 32px}
.hero-facts span{background:rgba(11,42,63,.55);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.3);padding:6px 14px;border-radius:999px;font-size:.9rem}
.rating{display:inline-block;margin:0;font-size:.95rem;background:rgba(11,42,63,.55);backdrop-filter:blur(4px);padding:6px 14px;border-radius:999px}
.rating b{color:#ffd9a8}
.about{margin-top:48px;align-items:start}
.about p{margin:0 0 14px}
.about h3{font-size:1.3rem}
.host-names{font:600 1.3rem Fraunces,serif;color:var(--navy);margin:0 0 8px}
.waves{position:absolute;left:0;right:0;bottom:-1px;height:90px;line-height:0}
.waves svg{width:100%;height:100%;fill:var(--paper)}

/* gallery */
.gallery{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:190px;gap:12px}
.gallery .tile:first-child{grid-column:span 2;grid-row:span 2}
.tile{position:relative;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(135deg,#cfe6ea,#f2dcc0);display:flex;align-items:flex-end}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.tile span{position:relative;margin:12px;padding:4px 10px;background:rgba(255,255,255,.88);border-radius:999px;font-size:.8rem;color:var(--navy)}
button.tile{border:0;padding:0;cursor:zoom-in;font:inherit;text-align:left}
.tile img{transition:transform .4s}
.tile:hover img{transform:scale(1.04)}
.gallery-more{max-width:1120px;margin:16px auto 0;text-align:right}
.btn-outline{background:#fff;border:1px solid var(--navy);color:var(--navy);padding:10px 20px;border-radius:999px;font:600 .95rem Inter,sans-serif;cursor:pointer}
.btn-outline:hover{background:var(--sand)}

.lightbox{position:fixed;inset:0;z-index:100;background:rgba(6,20,30,.94);display:flex;align-items:center;justify-content:center}
.lightbox[hidden]{display:none}
.lightbox figure{margin:0;max-width:min(92vw,1200px);text-align:center}
.lightbox img{max-width:100%;max-height:80vh;border-radius:8px;display:block;margin:0 auto}
.lightbox figcaption{color:#e6eef2;margin-top:12px;font-size:.95rem}
.lb-close,.lb-nav{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;border-radius:999px;cursor:pointer;width:48px;height:48px;font-size:1.8rem;line-height:1}
.lb-close:hover,.lb-nav:hover{background:rgba(255,255,255,.25)}
.lb-close{top:16px;right:16px}
.lb-prev{left:16px;top:50%;transform:translateY(-50%)}
.lb-next{right:16px;top:50%;transform:translateY(-50%)}

/* amenities */
.amenities{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.amenity{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.amenity strong{display:block;color:var(--navy)}
.amenity small{color:var(--muted)}

/* booking */
.book-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:40px;align-items:start}
.cal{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.cal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.cal-head button{background:none;border:1px solid var(--line);border-radius:8px;width:36px;height:36px;cursor:pointer;font-size:1rem}
.cal-head button:disabled{opacity:.3;cursor:default}
.months{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.month h4{text-align:center;margin:0 0 8px;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;text-align:center}
.grid .dow{font-size:.72rem;color:var(--muted);padding:4px 0}
.day{aspect-ratio:1;border:0;background:none;border-radius:8px;font:inherit;font-size:.9rem;cursor:pointer;color:var(--ink)}
.day:hover:not(:disabled){background:#e3f1f3}
.day:disabled{color:#b5b0a6;cursor:not-allowed}
.day.booked{background:var(--booked);text-decoration:line-through}
.day.inrange{background:#cfe9ed;border-radius:0}
.day.sel{background:var(--sea);color:#fff;border-radius:8px}
.day.blank{visibility:hidden}
.legend{display:flex;gap:18px;margin-top:12px;font-size:.85rem;color:var(--muted)}
.dot{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px;border:1px solid var(--line)}
.dot.sel{background:var(--sea)} .dot.booked{background:var(--booked)} .dot.open{background:#fff}

.quote-card{position:sticky;top:84px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 12px 32px rgba(11,42,63,.08)}
.quote-card h3{margin-bottom:12px}
.dates-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
label{display:block;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:4px}
.dateval{padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-weight:500}
select,input,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;margin-bottom:10px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--sea);outline-offset:1px}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.note{font-size:.9rem;color:var(--muted);margin:4px 0 10px;min-height:1.2em}
.note.err{color:#b3341a}
.lines{margin-bottom:14px}
.line{display:flex;justify-content:space-between;padding:5px 0;font-size:.95rem}
.line.total{border-top:1px solid var(--line);margin-top:6px;padding-top:10px;font-weight:600;font-size:1.1rem}
.line.save{color:#1a7a43;font-size:.85rem}
.fine{font-size:.8rem;color:var(--muted);margin:10px 0 0}
.thanks{background:#e8f5ec;border-radius:10px;padding:16px;color:#1a5a34}

/* reviews, lists, faq */
.reviews{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.review{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.review p{margin:0 0 12px}
.review small{color:var(--muted)}
.stars{color:var(--coral);letter-spacing:2px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px}
ul.plain{list-style:none;padding:0;margin:0}
ul.plain li{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
ul.rules{padding-left:20px;margin:0 0 12px}
ul.rules li{margin-bottom:8px}
details{border-bottom:1px solid var(--line);padding:16px 0}
summary{cursor:pointer;font-weight:600;color:var(--navy)}
details p{margin:10px 0 0;color:var(--muted)}

.footer{background:var(--navy);color:#cfe0e8;padding:36px 0;font-size:.95rem}
.footer .wrap{display:flex;gap:24px;flex-wrap:wrap;justify-content:space-between}
.footer a{color:#fff}
.footer .muted{color:#a9bfca}

@media (max-width:860px){
  .book-layout,.two-col{grid-template-columns:1fr}
  .quote-card{position:static}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:150px}
  .nav{padding:10px 16px}
  .nav nav a:not(.btn){display:none}
  .months{grid-template-columns:1fr}
  .section{padding:52px 16px}
}
.all-amenities{margin-top:20px;border:0;padding:0}
.all-amenities summary{cursor:pointer;font-weight:600;color:var(--navy)}
.amenity-groups{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:8px 24px;margin-top:12px}
.amenity-groups h3{font-size:1rem;margin:12px 0 6px}
ul.ticks{list-style:none;padding:0;margin:0}
ul.ticks li{padding:3px 0 3px 20px;position:relative;color:var(--muted)}
ul.ticks li::before{content:"✓";position:absolute;left:0;color:var(--navy)}
ul.ticks.no li::before{content:"✕";color:var(--muted)}

.platform-box .book-on{display:block;text-align:center;margin:8px 0;box-sizing:border-box;text-decoration:none}
.platform-box .btn-outline.book-on{padding:13px 20px}