:root{
  --hull-navy:#0A1A22;
  --deep-water:#0F2833;
  --gulf-teal:#1B4652;
  --steel:#5C6B6B;
  --brass:#B9893D;
  --brass-bright:#D4A659;
  --marine-white:#EFEBE1;
  --flag-red:#9C3626;
  --line:rgba(239,235,225,0.14);
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--hull-navy);
  color:var(--marine-white);
  font-family:'Inter', sans-serif;
  line-height:1.6;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:'Oswald', sans-serif;
  text-transform:uppercase;
  letter-spacing:0.02em;
  font-weight:700;
  line-height:1.05;
}
.mono{ font-family:'IBM Plex Mono', monospace; letter-spacing:0.04em; }
a{color:inherit; text-decoration:none;}
img{display:block; max-width:100%; height:auto;}
.wrap{max-width:1200px; margin:0 auto; padding:0 28px;}
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px; letter-spacing:0.18em; text-transform:uppercase;
  color:var(--brass-bright);
  display:flex; align-items:center; gap:10px; margin-bottom:14px;
}
.eyebrow::before{ content:""; width:22px; height:1px; background:var(--brass-bright); display:inline-block; }
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}
:focus-visible{outline:2px solid var(--brass-bright); outline-offset:3px;}

/* NAV */
nav{
  position:sticky; top:0; left:0; right:0; z-index:100;
  background:rgba(10,26,34,0.97);
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex; align-items:center; justify-content:space-between;}
.brand{display:flex; align-items:center; gap:10px; font-family:'Oswald'; font-weight:700; font-size:19px; letter-spacing:0.03em; text-transform:uppercase;}
.brand-mark{width:32px; height:32px; flex-shrink:0;}
.nav-links{display:flex; gap:32px; font-size:13px; letter-spacing:0.06em; text-transform:uppercase; font-weight:500;}
.nav-links a{opacity:0.85; transition:opacity 0.2s; padding-bottom:4px; border-bottom:2px solid transparent;}
.nav-links a:hover{opacity:1; color:var(--brass-bright);}
.nav-links a.active{opacity:1; color:var(--brass-bright); border-bottom-color:var(--brass-bright);}
.nav-cta{
  font-family:'IBM Plex Mono'; font-size:13px; padding:9px 18px;
  border:1px solid var(--brass); border-radius:2px; letter-spacing:0.04em;
  transition:background 0.2s, color 0.2s;
}
.nav-cta:hover{background:var(--brass); color:var(--hull-navy);}

/* HERO (home) */
.hero{ position:relative; height:92vh; min-height:600px; display:flex; align-items:flex-end; background:#000; }
.hero-img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:0.62; }
.hero::after{ content:""; position:absolute; inset:0; background:linear-gradient(to top, var(--hull-navy) 4%, rgba(10,26,34,0.35) 42%, rgba(10,26,34,0.55) 100%); }
.hero-content{ position:relative; z-index:2; width:100%; padding-bottom:64px; }
.hero h1{ font-size:clamp(44px, 8vw, 100px); color:var(--marine-white); margin-bottom:6px; }
.hero h1 span{ color:var(--brass-bright); }
.hero-sub{ font-size:clamp(15px, 2vw, 19px); max-width:560px; color:rgba(239,235,225,0.85); margin-bottom:34px; }

/* PAGE HERO (subpages) */
.page-hero{ padding:96px 0 56px; border-bottom:1px solid var(--line); background:var(--deep-water); }
.page-hero h1{ font-size:clamp(36px,6vw,64px); color:var(--marine-white); margin-bottom:14px; }
.page-hero p{ color:rgba(239,235,225,0.72); font-size:16px; max-width:560px; }

.btn-row{display:flex; gap:16px; flex-wrap:wrap;}
.btn{
  font-family:'IBM Plex Mono'; font-size:14px; letter-spacing:0.04em;
  padding:15px 28px; border-radius:2px; display:inline-flex; align-items:center; gap:10px;
  transition:transform 0.15s ease, background 0.2s ease;
}
.btn-primary{background:var(--brass); color:var(--hull-navy); font-weight:500;}
.btn-primary:hover{background:var(--brass-bright); transform:translateY(-2px);}
.btn-ghost{border:1px solid rgba(239,235,225,0.4); color:var(--marine-white);}
.btn-ghost:hover{border-color:var(--marine-white); transform:translateY(-2px);}

/* INSTRUMENT STRIP */
.instrument-strip{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--deep-water); }
.strip-inner{ display:grid; grid-template-columns:repeat(4,1fr); }
.strip-item{ padding:22px 24px; border-right:1px solid var(--line); font-family:'IBM Plex Mono'; }
.strip-item:last-child{border-right:none;}
.strip-label{font-size:10px; letter-spacing:0.14em; text-transform:uppercase; color:var(--steel); margin-bottom:6px;}
.strip-value{font-size:15px; color:var(--marine-white);}

section{padding:100px 0;}
.section-head{max-width:640px; margin-bottom:56px;}
.section-head h2{font-size:clamp(30px,4.2vw,46px); color:var(--marine-white);}
.section-head p{color:rgba(239,235,225,0.7); font-size:16px; margin-top:14px; max-width:520px;}

/* TEASER CARDS (home) */
.teaser-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.teaser-card{ background:var(--deep-water); padding:36px 28px; display:flex; flex-direction:column; min-height:280px; transition:background 0.2s; }
.teaser-card:hover{ background:var(--gulf-teal); }
.teaser-num{font-family:'IBM Plex Mono'; font-size:12px; color:var(--brass-bright); margin-bottom:18px;}
.teaser-card h3{font-size:20px; margin-bottom:10px; color:var(--marine-white);}
.teaser-card p{font-size:14px; color:rgba(239,235,225,0.65); flex-grow:1;}
.teaser-arrow{font-family:'IBM Plex Mono'; font-size:13px; color:var(--brass-bright); margin-top:16px;}

/* ABOUT */
.about-grid{display:grid; grid-template-columns:0.85fr 1.15fr; gap:64px; align-items:center;}
.about-img-wrap{position:relative;}
.about-img-wrap img{border-radius:2px; filter:saturate(1.05);}
.plate{
  position:absolute; bottom:-24px; left:-24px;
  background:var(--hull-navy); border:1px solid var(--brass);
  padding:14px 20px; font-family:'IBM Plex Mono'; font-size:12px;
  color:var(--brass-bright); letter-spacing:0.05em;
}
.about-text h3{font-size:clamp(24px,3vw,32px); margin-bottom:20px; color:var(--marine-white);}
.about-text p{color:rgba(239,235,225,0.78); margin-bottom:16px; font-size:16px;}
.about-text .signature-line{
  margin-top:28px; padding-top:24px; border-top:1px solid var(--line);
  font-family:'IBM Plex Mono'; font-size:13px; color:var(--steel);
}
.about-text .signature-line a{color:var(--brass-bright); border-bottom:1px solid rgba(212,166,89,0.4);}

.cleat-divider{display:flex; align-items:center; justify-content:center; padding:6px 0; background:var(--hull-navy);}
.cleat-divider svg{opacity:0.55;}

/* TRIPS */
.trips{background:var(--deep-water);}
.trip-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.trip-card{background:var(--deep-water); padding:32px 26px; display:flex; flex-direction:column; min-height:360px;}
.trip-num{font-family:'IBM Plex Mono'; font-size:12px; color:var(--brass-bright); margin-bottom:18px;}
.trip-card h3{font-size:21px; margin-bottom:12px; color:var(--marine-white);}
.trip-card p{font-size:14px; color:rgba(239,235,225,0.68); flex-grow:1; margin-bottom:20px;}
.trip-price{ font-family:'IBM Plex Mono'; font-size:13px; color:var(--brass-bright); padding-top:16px; border-top:1px solid var(--line); }
.trip-price .from{color:var(--steel); font-size:11px; display:block; margin-bottom:4px; letter-spacing:0.08em; text-transform:uppercase;}

/* GALLERY */
.gallery-grid{ display:grid; grid-template-columns:repeat(6, 1fr); grid-auto-rows:180px; gap:8px; }
.gallery-grid img, .gallery-grid video{width:100%; height:100%; object-fit:cover; border-radius:2px; transition:transform 0.4s ease;}
.gallery-grid a{overflow:hidden; display:block; border-radius:2px;}
.gallery-grid a:hover img{transform:scale(1.05);}
.g1{grid-column:span 3; grid-row:span 2;}
.g2{grid-column:span 3; grid-row:span 1;}
.g3{grid-column:span 3; grid-row:span 1;}
.g4{grid-column:span 2; grid-row:span 2;}
.g5{grid-column:span 2; grid-row:span 2;}
.g6{grid-column:span 2; grid-row:span 2;}

/* BOOKING */
.booking{background:var(--gulf-teal); position:relative; overflow:hidden;}
.booking::before{ content:""; position:absolute; inset:0; background:radial-gradient(circle at 85% 20%, rgba(212,166,89,0.14), transparent 55%); }
.booking-grid{display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; position:relative; z-index:1;}
.booking-text h2{font-size:clamp(30px,4.2vw,44px); margin-bottom:18px;}
.booking-text p{color:rgba(239,235,225,0.82); margin-bottom:28px; font-size:16px;}
.contact-line{display:flex; align-items:center; gap:14px; margin-bottom:16px; font-family:'IBM Plex Mono'; font-size:16px;}
.contact-line .ico{color:var(--brass-bright); font-size:18px;}
.cal-mock{ background:var(--hull-navy); border:1px solid rgba(239,235,225,0.15); border-radius:3px; padding:26px; }
.cal-head{display:flex; justify-content:space-between; align-items:center; margin-bottom:18px; font-family:'IBM Plex Mono'; font-size:13px;}
.cal-head .status{color:var(--brass-bright); font-size:11px; text-transform:uppercase; letter-spacing:0.1em; border:1px solid var(--brass); padding:4px 10px; border-radius:20px;}
.cal-grid{display:grid; grid-template-columns:repeat(7,1fr); gap:6px; margin-bottom:20px;}
.cal-day-label{font-family:'IBM Plex Mono'; font-size:10px; text-align:center; color:var(--steel); padding-bottom:4px;}
.cal-day{aspect-ratio:1; display:flex; align-items:center; justify-content:center; font-family:'IBM Plex Mono'; font-size:12px; border-radius:2px; background:rgba(239,235,225,0.04); color:rgba(239,235,225,0.4);}
.cal-day.open{background:rgba(185,137,61,0.18); color:var(--brass-bright); border:1px solid rgba(185,137,61,0.5);}
.cal-note{font-size:12px; color:var(--steel); font-family:'IBM Plex Mono'; line-height:1.7;}

/* FOOTER */
footer{background:var(--hull-navy); border-top:1px solid var(--line); padding:64px 0 32px;}
.footer-grid{display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:48px; margin-bottom:56px;}
.footer-brand{font-family:'Oswald'; font-size:22px; text-transform:uppercase; margin-bottom:14px;}
.footer-col h4{font-size:12px; letter-spacing:0.12em; color:var(--brass-bright); margin-bottom:16px; text-transform:uppercase; font-family:'IBM Plex Mono'; font-weight:500;}
.footer-col p, .footer-col a{display:block; font-size:14px; color:rgba(239,235,225,0.68); margin-bottom:10px;}
.footer-col a:hover{color:var(--brass-bright);}
.cross-link{ border:1px solid var(--line); border-radius:2px; padding:16px 18px; font-size:13px; color:rgba(239,235,225,0.6); margin-top:8px; }
.cross-link a{color:var(--brass-bright); display:inline;}
.footer-bottom{ border-top:1px solid var(--line); padding-top:24px; display:flex; justify-content:space-between; font-family:'IBM Plex Mono'; font-size:11px; color:var(--steel); flex-wrap:wrap; gap:10px; }

@media (max-width:900px){
  .nav-links{display:none;}
  .strip-inner{grid-template-columns:repeat(2,1fr);}
  .strip-item:nth-child(2){border-right:none;}
  .strip-item{border-bottom:1px solid var(--line);}
  .about-grid{grid-template-columns:1fr; gap:48px;}
  .plate{position:static; margin-top:16px; display:inline-block;}
  .trip-grid,.teaser-grid{grid-template-columns:1fr 1fr;}
  .gallery-grid{grid-template-columns:repeat(2,1fr); grid-auto-rows:220px;}
  .g1,.g2,.g3,.g4,.g5,.g6{grid-column:span 1; grid-row:span 1;}
  .booking-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr; gap:32px;}
}
@media (max-width:560px){
  .trip-grid,.teaser-grid{grid-template-columns:1fr;}
  section{padding:64px 0;}
  .btn-row{flex-direction:column;}
  .btn{justify-content:center;}
}