/* =========================================================================
   Top Sail Dunes, premium coastal design system
   Palette: deep ocean navy, warm sand/gold accent, sea-foam, cream.
   Type:    Cormorant Garamond (display) + Inter (text)
   ========================================================================= */
:root{
  --navy:#0e2436; --navy-2:#16344b; --ink:#13222e;
  --sand:#c79a5b; --sand-2:#e3c389; --foam:#8fc7c2;
  --cream:#f7f3ec; --cream-2:#efe8db; --paper:#fffdf9;
  --text:#26323a; --muted:#6b7c89; --line:#e3dccf;
  --ok:#3f9d6d; --booked:#c2c9ce; --shadow:0 18px 50px -22px rgba(14,36,54,.45);
  --r:16px; --maxw:1180px;
  --serif:"Cormorant Garamond",Georgia,serif;
  --sans:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--cream);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.1;color:var(--navy);margin:0 0 .4em}
h1{font-size:clamp(2.6rem,6vw,4.6rem);letter-spacing:.5px}
h2{font-size:clamp(2rem,4vw,3rem)}
h3{font-size:1.4rem}
.eyebrow{font-family:var(--sans);text-transform:uppercase;letter-spacing:.28em;
  font-size:.72rem;font-weight:600;color:var(--sand)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:96px 0}
.lead{font-size:1.25rem;color:var(--muted)}
.center{text-align:center}
.measure{max-width:62ch;margin-inline:auto}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--sans);
  font-weight:600;font-size:.98rem;letter-spacing:.02em;padding:14px 28px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;transition:.25s;text-decoration:none}
.btn-primary{background:var(--sand);color:#10212e}
.btn-primary:hover{background:var(--sand-2);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2)}

/* ---- Header / nav ---- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,243,236,.82);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{font-family:var(--serif);font-size:1.5rem;font-weight:600;color:var(--navy);letter-spacing:.5px}
.brand small{display:block;font-family:var(--sans);font-size:.6rem;letter-spacing:.34em;
  text-transform:uppercase;color:var(--sand);margin-top:-2px}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:.95rem;color:var(--navy);font-weight:500;position:relative}
.nav-links a:hover{color:var(--sand)}
.nav-links a.btn-dark{color:#fff}
.nav-links a.btn-dark:hover{color:var(--sand)}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--navy);cursor:pointer}

/* ---- Hero ---- */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;color:#fff;
  background:linear-gradient(180deg,rgba(14,36,54,.45),rgba(14,36,54,.68)),
    image-set(url("../img/hero.avif") type("image/avif"), url("../img/hero.jpg") type("image/jpeg")) center/cover no-repeat,
    url("../img/hero.jpg") center/cover no-repeat,var(--navy)}
.hero .container{position:relative;z-index:2;max-width:880px}
.hero h1{color:#fff;text-shadow:0 2px 30px rgba(0,0,0,.3)}
.hero p{font-size:1.3rem;max-width:40ch;color:rgba(255,255,255,.92)}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero .eyebrow{color:var(--sand-2)}

/* ---- Stat strip ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--navy);color:#fff;border-radius:var(--r);padding:34px;margin-top:-60px;
  position:relative;z-index:3;box-shadow:var(--shadow)}
.stat b{display:block;font-family:var(--serif);font-size:2.2rem;color:var(--sand-2)}
.stat span{color:rgba(255,255,255,.7);font-size:.9rem}

/* ---- Feature / amenity grid ---- */
.grid{display:grid;gap:26px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:1fr 1fr;align-items:center;gap:60px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);
  padding:30px;box-shadow:0 8px 30px -24px rgba(14,36,54,.5)}
.card .ic{font-size:1.6rem}
.amenities{columns:3;column-gap:40px}
.amenities li{margin:0 0 12px;list-style:none;padding-left:26px;position:relative;break-inside:avoid}
.amenities li:before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;
  border-radius:50%;background:var(--sand)}
ul.amenities{padding:0}

/* ---- Gallery ---- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery a{border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:var(--cream-2)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:.5s}
.gallery a:hover img{transform:scale(1.06)}
.gallery .wide{grid-column:span 2;aspect-ratio:8/3}
.lightbox{position:fixed;inset:0;background:rgba(8,18,26,.92);display:none;
  align-items:center;justify-content:center;z-index:100;padding:30px}
.lightbox.open{display:flex}
.lightbox img{max-width:88vw;max-height:84vh;border-radius:10px}
.lb-close{position:absolute;top:22px;right:28px;background:none;border:0;color:#fff;font-size:2.2rem;cursor:pointer;line-height:1;z-index:2}
.lb-arrow{position:absolute;top:50%;transform:translateY(-50%);width:58px;height:58px;border-radius:50%;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);color:#fff;font-size:2rem;
  line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s;z-index:2}
.lb-arrow:hover{background:rgba(255,255,255,.25)}
.lb-prev{left:24px}.lb-next{right:24px}
@media(max-width:560px){.lb-arrow{width:46px;height:46px;font-size:1.5rem}.lb-prev{left:10px}.lb-next{right:10px}}

/* ---- Sections w/ alt bg ---- */
.bg-cream2{background:var(--cream-2)}
.bg-navy{background:var(--navy);color:#fff}
.bg-navy h2,.bg-navy h3{color:#fff}
.bg-navy .lead{color:rgba(255,255,255,.75)}

/* ---- FAQ ---- */
.faq{max-width:780px;margin-inline:auto}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-family:var(--serif);font-size:1.3rem;color:var(--navy);
  list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--sand);font-size:1.5rem;transition:.2s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq p{margin:14px 0 4px;color:var(--muted)}

/* ---- Booking / calendar ---- */
.book-layout{display:grid;grid-template-columns:1fr 380px;gap:46px;align-items:start}
.cal-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);
  padding:26px;box-shadow:var(--shadow)}
.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.cal-head h3{margin:0}
.cal-nav{background:var(--cream-2);border:1px solid var(--line);width:40px;height:40px;
  border-radius:10px;cursor:pointer;font-size:1.1rem;color:var(--navy)}
.cal-nav:disabled{opacity:.35;cursor:default}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}
.cal-dow{text-align:center;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;
  color:var(--muted);padding:6px 0;font-weight:600}
.cal-day{aspect-ratio:1;border:1px solid transparent;border-radius:10px;display:flex;
  flex-direction:column;align-items:center;justify-content:center;font-size:.92rem;
  cursor:pointer;background:var(--cream);position:relative;transition:.12s}
.cal-day .pr{font-size:.62rem;color:var(--muted);margin-top:1px}
.cal-day.empty{background:transparent;cursor:default}
.cal-day.unavail{background:repeating-linear-gradient(135deg,#eceff1,#eceff1 5px,#e3e7ea 5px,#e3e7ea 10px);
  color:var(--booked);cursor:not-allowed;text-decoration:line-through;text-decoration-color:#b7c0c6}
.cal-day.past{opacity:.32;cursor:not-allowed}
.cal-day.avail:hover{border-color:var(--sand)}
.cal-day.sel{background:var(--navy);color:#fff;border-color:var(--navy)}
.cal-day.sel .pr{color:var(--sand-2)}
.cal-day.inrange{background:var(--foam);color:var(--navy)}
.cal-day.range-end{background:var(--navy);color:#fff}
.cal-legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px;font-size:.8rem;color:var(--muted)}
.cal-legend i{display:inline-block;width:13px;height:13px;border-radius:4px;margin-right:6px;vertical-align:-1px}
.lg-open{background:var(--cream);border:1px solid var(--line)}
.lg-booked{background:#e3e7ea}
.lg-sel{background:var(--navy)}

/* ---- Booking summary panel ---- */
.summary{position:sticky;top:96px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.summary h3{margin-bottom:6px}
.summary .rate{font-family:var(--serif);font-size:2rem;color:var(--navy)}
.summary .rate small{font-family:var(--sans);font-size:.85rem;color:var(--muted)}
.sumrow{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.sumrow.total{border:0;font-weight:700;font-size:1.1rem;color:var(--navy);padding-top:14px}
.field{margin:12px 0}
.field label{display:block;font-size:.82rem;color:var(--muted);margin-bottom:4px;font-weight:600}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1px solid var(--line);
  border-radius:10px;font:inherit;background:#fff;color:var(--text)}
.field textarea{min-height:84px;resize:vertical}
.note-sm{font-size:.8rem;color:var(--muted)}
.alert{padding:12px 16px;border-radius:10px;font-size:.9rem;margin:10px 0}
.alert-err{background:#fdeceb;color:#a23a30;border:1px solid #f3c9c4}
.alert-ok{background:#eaf6ef;color:#256b47;border:1px solid #c2e5d1}
.pay-methods{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.pay-methods div{background:var(--cream-2);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:.82rem}
.pay-methods b{display:block;color:var(--navy)}

/* Damage coverage chooser (booking summary) */
.cov-block{margin:14px 0 6px;padding-top:12px;border-top:1px solid var(--line)}
.cov-title{font-weight:600;color:var(--navy);font-size:.92rem;margin-bottom:8px}
.cov-opt{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;margin-bottom:8px;cursor:pointer;transition:.15s;background:#fff}
.cov-opt:hover{border-color:var(--sand)}
.cov-opt.on{border-color:var(--navy);box-shadow:inset 0 0 0 1px var(--navy);background:var(--cream)}
.cov-opt input{margin-top:3px}
.cov-main{flex:1;display:flex;flex-direction:column;gap:2px}
.cov-label{font-weight:600;color:var(--text);font-size:.9rem}
.cov-amt{font-weight:700;color:var(--navy);font-size:.85rem;white-space:nowrap}

/* ---- Map (The Area) ---- */
.area-map{height:480px;border-radius:var(--r);box-shadow:var(--shadow);border:1px solid var(--line);z-index:1}
.treasure-x{width:46px;height:46px;display:flex;align-items:center;justify-content:center;
  color:#c0392b;font-size:2.4rem;font-weight:900;line-height:1;
  text-shadow:0 0 3px #fff,0 0 3px #fff,0 0 6px #fff,2px 2px 4px rgba(0,0,0,.35);
  animation:xpulse 1.8s ease-in-out infinite}
@keyframes xpulse{0%,100%{transform:scale(1)}50%{transform:scale(1.14)}}
.pin{width:30px;height:30px;background:var(--navy);color:#fff;border:2px solid #fff;border-radius:50% 50% 50% 0;
  transform:rotate(-45deg);display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 10px -3px rgba(0,0,0,.5);font-weight:700;font-size:.85rem;font-family:var(--sans)}
.pin span{transform:rotate(45deg)}
.pin-prop{width:40px;height:40px;background:var(--sand);border:2px solid #fff;color:#10212e;
  box-shadow:0 6px 14px -4px rgba(0,0,0,.55)}
.pin-prop span{font-size:1.05rem}
.map-legend{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 26px;margin-top:24px}
.leg-item{display:flex;gap:12px;align-items:flex-start}
.leg-n{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700}
@media(max-width:760px){.map-legend{grid-template-columns:1fr 1fr}.area-map{height:380px}}
@media(max-width:520px){.map-legend{grid-template-columns:1fr}}

/* ---- Contact ---- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}

/* ---- Footer ---- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:60px 0 30px}
.site-footer .brand{color:#fff}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:34px}
.site-footer a{color:rgba(255,255,255,.7)}
.site-footer a:hover{color:var(--sand-2)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:.82rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---- Reveal-on-scroll ---- */
.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---- Responsive ---- */
@media(max-width:900px){
  .nav-links{position:fixed;inset:74px 0 auto 0;background:var(--cream);flex-direction:column;
    padding:22px 24px;gap:18px;border-bottom:1px solid var(--line);display:none}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .stats{grid-template-columns:1fr 1fr}
  .cols-2,.book-layout,.contact-grid,.foot-grid{grid-template-columns:1fr;gap:34px}
  .cols-3{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .amenities{columns:2}
  .summary{position:static}
}
@media(max-width:560px){
  section{padding:64px 0}
  .cols-3,.gallery,.amenities,.pay-methods{grid-template-columns:1fr;columns:1}
  .gallery .wide{grid-column:auto}
}