/* ===== The Surface Interval — design tokens ===== */
:root {
  --ocean:#0d6b6b; --ocean-2:#0a5454; --deep:#08373a;
  --sand:#f7f3ec; --paper:#ffffff; --ink:#16302e; --muted:#5d716d;
  --line:#e6ded2; --coral:#e8654f; --gold:#e9b44c;
  --radius:18px; --radius-sm:12px; --shadow:0 10px 30px rgba(8,55,58,.10);
  --shadow-lg:0 24px 60px rgba(8,55,58,.18);
  --head:'Fraunces',Georgia,serif; --font:'Inter',system-ui,sans-serif;
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--sand);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--head);font-weight:600;line-height:1.1;margin:0 0 .4em}
h1{font-size:clamp(2rem,6vw,3.4rem)}
h2{font-size:clamp(1.5rem,4vw,2.3rem)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 18px}
.eyebrow{font-family:var(--head);text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;color:var(--ocean);font-weight:600}
.muted{color:var(--muted)}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
  font-family:var(--font);font-weight:600;font-size:1rem;padding:13px 22px;border-radius:999px;text-decoration:none;transition:.18s}
.btn--primary{background:var(--ocean);color:#fff}
.btn--primary:hover{background:var(--ocean-2)}
.btn--ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn--ghost:hover{border-color:var(--ocean);color:var(--ocean)}
.btn--block{width:100%}
.btn--lg{padding:16px 26px;font-size:1.05rem}

/* ===== header ===== */
.nav{position:sticky;top:0;z-index:40;backdrop-filter:saturate(140%) blur(10px);background:rgba(247,243,236,.86);border-bottom:1px solid var(--line)}
.nav__in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.nav__brand{display:flex;align-items:center;gap:10px;font-family:var(--head);font-weight:600;font-size:1.05rem;white-space:nowrap;text-decoration:none;color:var(--ink)}
.nav__brand svg{flex:none}
.nav__links{display:none;gap:26px}
.nav__links a{text-decoration:none;color:var(--ink);font-weight:500;font-size:.95rem}
.nav__links a:hover{color:var(--ocean)}
.nav__cta{display:none;align-items:center;gap:12px}

/* ===== hero / gallery mosaic ===== */
.hero{padding:26px 0 8px}
.hero__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:10px;margin-bottom:16px}
.hero__head .loc{display:flex;align-items:center;gap:6px;color:var(--muted);font-weight:500;margin-top:6px}
.mosaic{display:grid;grid-template-columns:1fr 1fr;grid-auto-rows:120px;gap:8px;border-radius:var(--radius);overflow:hidden;position:relative}
.mosaic button{padding:0;border:0;cursor:pointer;background:#ddd;overflow:hidden}
.mosaic img{width:100%;height:100%;object-fit:cover;transition:.3s}
.mosaic button:hover img{transform:scale(1.04)}
.mosaic .cell-main{grid-column:1 / 3;grid-row:1 / 3}
.mosaic__more{position:absolute;right:14px;bottom:14px;background:#fff;border:1px solid var(--ink);border-radius:10px;
  padding:9px 14px;font-weight:600;font-size:.88rem;display:flex;gap:7px;align-items:center;cursor:pointer;box-shadow:var(--shadow)}

/* ===== layout: content + sticky booking ===== */
.layout{display:grid;grid-template-columns:1fr;gap:34px;padding:30px 0 120px}
.layout > *{min-width:0}
.content{overflow-wrap:break-word}
.section{padding:26px 0;border-top:1px solid var(--line)}
.section:first-child{border-top:0}
.facts{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--ink);font-weight:500;list-style:none;padding:0;margin:14px 0 0}
.facts li{display:flex;align-items:center;gap:8px}

.amenities{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;list-style:none;padding:0;margin:18px 0 0}
.amenities li{display:flex;align-items:center;gap:11px;font-weight:500}
.amenities svg{flex:none;color:var(--ocean)}

.cards{display:grid;grid-template-columns:1fr;gap:16px;margin-top:18px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h3{display:flex;align-items:center;gap:10px;margin-bottom:.3em}
.card--dive{border-left:4px solid var(--ocean)}
.card--note{background:#fff7ec;border-color:#f0dcae}

/* ===== dive feature band ===== */
.dive-band{background:linear-gradient(160deg,var(--deep),var(--ocean));color:#eafaf7;border-radius:var(--radius);padding:30px;margin-top:18px}
.dive-band h2{color:#fff}
.dive-band .dive-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:18px}
.dive-band .dive-item{display:flex;gap:12px;align-items:flex-start}
.dive-band .dive-item svg{flex:none;color:var(--gold);margin-top:2px}
.dive-band a{color:#fff;font-weight:600}

/* ===== booking card ===== */
/* on mobile the booking card sits right under the photos, not at the bottom */
.booking{align-self:start;order:-1}
.book-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:22px}
.book-card .price{display:flex;align-items:baseline;gap:8px;margin-bottom:4px}
.book-card .price b{font-size:1.7rem;font-family:var(--head)}
.book-card .compare{color:var(--ocean);font-weight:600;font-size:.9rem;margin-bottom:16px}
.date-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.field{padding:10px 12px}
.field + .field{border-left:1px solid var(--line)}
.date-grid .field:nth-child(3),.date-grid .field:nth-child(4){border-top:1px solid var(--line)}
.field label{display:block;font-size:.66rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}
.field input,.field select{width:100%;border:0;background:transparent;font-family:var(--font);font-size:.98rem;color:var(--ink);padding:2px 0;outline:none}
.full-field{display:block;margin-top:12px}
.full-field label{display:block;font-size:.66rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700;margin-bottom:5px}
.full-field input,.full-field select,.full-field textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:11px 12px;font-family:var(--font);font-size:.98rem;color:var(--ink);background:#fff}
.full-field input:focus,.full-field select:focus,.full-field textarea:focus{outline:2px solid var(--ocean);border-color:var(--ocean)}
.form-row{display:grid;grid-template-columns:1fr;gap:0}
@media (min-width:560px){.form-row{grid-template-columns:1fr 1fr;gap:14px}}
.breakdown{margin:16px 0 0;font-size:.95rem}
.breakdown .row{display:flex;justify-content:space-between;padding:6px 0;color:var(--ink)}
.breakdown .row.disc{color:var(--ocean);font-weight:600}
.breakdown .row.total{border-top:1px solid var(--line);margin-top:6px;padding-top:12px;font-weight:700;font-size:1.05rem}
.breakdown .hint{color:var(--muted);font-size:.82rem;margin-top:8px}
.notice{background:#fff7ec;border:1px solid #f0dcae;border-radius:var(--radius-sm);padding:10px 12px;font-size:.88rem;color:#7a5a16;margin-top:12px}
.avail{margin-top:14px;padding:11px 13px;border-radius:var(--radius-sm);font-weight:600;font-size:.92rem}
.avail--ok{background:#e6f4ee;color:#0b6b4f;border:1px solid #b9e3d0}
.avail--warn{background:#fff7ec;color:#7a5a16;border:1px solid #f0dcae}
.avail--err{background:#fdeceb;color:#b23b3b;border:1px solid #f3c9c4}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* honeypot */
.hp{position:absolute!important;left:-9999px;height:0;width:0;overflow:hidden}

/* form status */
#form-status{margin-top:12px;font-weight:600}
.ok{color:var(--ocean)} .err{color:var(--coral)}

/* ===== lightbox ===== */
.lb{position:fixed;inset:0;z-index:80;background:rgba(8,20,20,.96);display:none;flex-direction:column}
.lb.open{display:flex}
.lb__bar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;color:#fff}
.lb__count{font-weight:600}
.lb__close,.lb__nav{background:rgba(255,255,255,.12);border:0;color:#fff;width:44px;height:44px;border-radius:50%;cursor:pointer;font-size:1.3rem;display:flex;align-items:center;justify-content:center}
.lb__close:hover,.lb__nav:hover{background:rgba(255,255,255,.25)}
.lb__stage{flex:1;display:flex;align-items:center;justify-content:center;gap:12px;padding:0 12px 16px;min-height:0}
.lb__img{max-width:min(1100px,92vw);max-height:80vh;object-fit:contain;border-radius:10px}
.lb__caption{color:#cfe7e3;text-align:center;padding:0 18px 18px;font-size:.92rem}

/* ===== mobile sticky bar ===== */
.bookbar{position:fixed;left:0;right:0;bottom:0;z-index:50;background:#fff;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;box-shadow:0 -8px 24px rgba(8,55,58,.10)}
.bookbar .bb-price b{font-family:var(--head);font-size:1.15rem}
.bookbar .bb-price span{display:block;font-size:.78rem;color:var(--muted)}

/* ===== footer ===== */
.footer{background:var(--deep);color:#cfe7e3;padding:40px 0;margin-bottom:74px}
.footer a{color:#fff}
.footer .ft-grid{display:grid;grid-template-columns:1fr;gap:20px}
.footer h4{font-family:var(--head);color:#fff;margin:0 0 8px}
.footer .fine{margin-top:24px;border-top:1px solid rgba(255,255,255,.14);padding-top:16px;font-size:.85rem;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between}

/* ===== FAQ ===== */
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);padding:4px 16px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600;padding:12px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq details[open] summary{color:var(--ocean)}
.faq p{margin:0 0 14px;color:var(--muted)}

/* ===== desktop ===== */
@media (min-width:740px){
  .mosaic{grid-auto-rows:160px}
  .amenities{grid-template-columns:1fr 1fr 1fr}
  .dive-band .dive-grid{grid-template-columns:1fr 1fr}
  .footer .ft-grid{grid-template-columns:2fr 1fr 1fr}
}
@media (min-width:960px){
  .nav__links{display:flex}
  .nav__cta{display:flex}
  .mosaic{grid-auto-rows:190px}
  .layout{grid-template-columns:1.7fr 1fr;gap:48px}
  .booking{position:sticky;top:84px;order:0}
  .bookbar{display:none}
  .footer{margin-bottom:0}
  .cards{grid-template-columns:1fr 1fr}
  .card--wide{grid-column:1 / -1}
}