/* ============================================================
   TK Marine Consultants — shared stylesheet
   Deep-navy maritime identity. Single committed dark theme:
   a surveying firm's branded site reads the same regardless of
   the viewer's OS theme, so colors are explicit, not adaptive.
   ============================================================ */

:root{
  /* --- surfaces --- */
  --navy-950:#060f1a;   /* deepest ground, footer */
  --navy-900:#0a1a2b;   /* page background */
  --navy-800:#0f2337;   /* alternating section band */
  --navy-700:#152c43;   /* card surface */
  --navy-600:#1c374f;   /* raised card / hover surface */
  --line:#284862;       /* hairline borders, chart-grid strokes */
  --line-soft:rgba(111,179,217,.10);

  /* --- text --- */
  --foam-100:#eef3f7;   /* primary text */
  --foam-300:#aebfcd;   /* secondary / muted text */
  --foam-500:#7e93a4;   /* faint / captions */

  /* --- accent --- */
  --blue-300:#a9d4ec;
  --blue-400:#6fb3d9;
  --blue-500:#3f8bb3;
  --blue-glow:rgba(111,179,217,.18);

  /* --- semantic --- */
  --ok:#7bc79e;

  /* --- type --- */
  --font-display:'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:'Libre Franklin', 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono:'IBM Plex Mono', 'Courier New', monospace;

  --container:1120px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }

body{
  margin:0;
  background:var(--navy-900);
  color:var(--foam-100);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  padding-inline:0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size:64px 64px;
  background-position:center top;
}

img{ max-width:100%; display:block; }

h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--foam-100);
  font-weight:600;
  line-height:1.15;
  text-wrap:balance;
  margin:0 0 .5em;
}
h1{ font-size:clamp(2.1rem, 4.4vw, 3.4rem); font-weight:500; }
h2{ font-size:clamp(1.5rem, 2.6vw, 2.1rem); }
h3{ font-size:1.2rem; }

p{ margin:0 0 1em; color:var(--foam-300); max-width:65ch; }
p.lead{ font-size:1.15rem; color:var(--foam-100); }

a{ color:var(--blue-400); text-decoration:none; }
a:hover{ color:var(--blue-300); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--blue-400);
  outline-offset:3px;
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--blue-400);
  display:inline-flex;
  align-items:center;
  gap:.5em;
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:1.4em; height:1px;
  background:var(--blue-500);
  display:inline-block;
}

.wrap{
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:24px;
}

.section{ padding-block:72px; }
.section--alt{ background:var(--navy-800); border-block:1px solid var(--line); }
.section--tight{ padding-block:48px; }

/* ---------------- header / nav ---------------- */
header.site{
  position:sticky; top:0; z-index:40;
  background:rgba(6,15,26,.88);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  max-width:var(--container);
  margin-inline:auto;
  padding:14px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  color:var(--foam-100);
  font-family:var(--font-display);
}
.brand .mark{ width:34px; height:34px; flex:none; object-fit:contain; }
.footer-mark img{ height:52px; width:auto; display:block; }
.brand .name{ line-height:1.15; }
.brand .name strong{ display:block; font-size:1.05rem; letter-spacing:.02em; }
.brand .name span{
  display:block; font-family:var(--font-mono); font-size:.62rem;
  letter-spacing:.16em; text-transform:uppercase; color:var(--foam-500);
}
.nav-links{
  display:flex; align-items:center; gap:28px;
  list-style:none; margin:0; padding:0;
}
.nav-links a{
  font-size:.92rem; color:var(--foam-300); font-weight:500;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{ color:var(--foam-100); }
.nav-links a[aria-current="page"]{ position:relative; }
.nav-links a[aria-current="page"]::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px;
  height:2px; background:var(--blue-400);
}
.nav-links li.has-dropdown{ position:relative; }
.dropdown-trigger{
  display:flex; align-items:center; gap:5px;
  background:none; border:none; font:inherit; cursor:pointer;
  font-size:.92rem; color:var(--foam-300); font-weight:500; padding:0;
}
.dropdown-trigger:hover{ color:var(--foam-100); }
.dropdown-caret{ width:9px; height:9px; flex:none; transition:transform .15s ease; }
li.has-dropdown.open .dropdown-caret,
li.has-dropdown:hover .dropdown-caret,
li.has-dropdown:focus-within .dropdown-caret{ transform:rotate(180deg); }
.dropdown-menu{
  position:absolute; top:100%; left:-14px; margin-top:10px;
  background:var(--navy-800); border:1px solid var(--line); border-radius:8px;
  min-width:230px; padding:8px; display:none; flex-direction:column; gap:2px;
  box-shadow:0 16px 32px rgba(2,8,16,.45);
  list-style:none;
}
li.has-dropdown.open .dropdown-menu,
li.has-dropdown:hover .dropdown-menu,
li.has-dropdown:focus-within .dropdown-menu{ display:flex; }
.dropdown-menu li{ width:100%; }
.dropdown-menu a{
  display:block; padding:10px 14px; border-radius:5px;
  font-size:.88rem; color:var(--foam-300);
}
.dropdown-menu a:hover{ background:var(--navy-700); color:var(--foam-100); }
.dropdown-menu .dd-desc{
  display:block; font-size:.74rem; color:var(--foam-500); margin-top:1px;
}

.nav-right{ display:flex; align-items:center; gap:16px; }
.nav-phone{
  font-family:var(--font-mono); font-size:.85rem; color:var(--foam-300);
  display:flex; align-items:center; gap:.5em;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  font-family:var(--font-body); font-weight:600; font-size:.92rem;
  padding:11px 20px; border-radius:3px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary{ background:var(--blue-400); color:var(--navy-950); }
.btn-primary:hover{ background:var(--blue-300); color:var(--navy-950); }
.btn-ghost{ border-color:var(--line); color:var(--foam-100); }
.btn-ghost:hover{ border-color:var(--blue-400); color:var(--blue-300); }

.nav-toggle{
  display:none; background:none; border:1px solid var(--line);
  border-radius:3px; width:40px; height:40px; color:var(--foam-100);
  align-items:center; justify-content:center;
}

/* ---------------- hero ---------------- */
.hero{
  padding-block:88px 64px;
  position:relative;
  overflow:hidden;
}
.hero .wrap{
  display:grid; grid-template-columns:1.15fr .85fr; gap:48px; align-items:center;
}
.hero-copy p.lead{ margin-bottom:1.6em; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:2em; }
.hero-figure{ display:flex; justify-content:center; }
.hero-figure svg{ width:100%; max-width:280px; height:auto; }

.chips{ display:flex; flex-wrap:wrap; gap:10px; }
.chip{
  display:inline-flex; align-items:center; gap:.5em;
  border:1px solid var(--line); border-radius:3px;
  padding:7px 12px;
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.04em;
  color:var(--foam-300); background:var(--navy-800);
}
.chip .dot{ width:6px; height:6px; border-radius:50%; background:var(--ok); flex:none; }

/* ---------------- cards / grids ---------------- */
.grid{ display:grid; gap:20px; }
.grid-3{ grid-template-columns:repeat(3, 1fr); }
.grid-2{ grid-template-columns:repeat(2, 1fr); }
.grid-4{ grid-template-columns:repeat(4, 1fr); }

.pillar{ text-align:left; }
.pillar .num{
  font-family:var(--font-mono); font-size:.72rem; color:var(--blue-400);
  letter-spacing:.1em; margin-bottom:10px; display:block;
}
.pillar h3{ font-size:1.05rem; margin-bottom:8px; }
.pillar p{ font-size:.9rem; margin-bottom:0; }

.card{
  background:var(--navy-700);
  border:1px solid var(--line);
  border-radius:4px;
  padding:26px 24px;
}
.card h3{ margin-bottom:.5em; }
.card p{ margin-bottom:0; font-size:.94rem; }
.card .icon{ width:30px; height:30px; color:var(--blue-400); margin-bottom:14px; }
.card.linked{ transition:border-color .15s ease, transform .15s ease; }
.card.linked:hover{ border-color:var(--blue-500); transform:translateY(-2px); }

.svc-block{
  display:grid; grid-template-columns:220px 1fr; gap:36px;
  padding-block:44px;
  border-top:1px solid var(--line);
  scroll-margin-top:90px;
}
.svc-block:first-of-type{ border-top:none; padding-top:8px; }
.svc-num{
  font-family:var(--font-mono); color:var(--blue-400);
  font-size:.78rem; letter-spacing:.1em;
}
.svc-head h2{ margin-top:.3em; }
.svc-list{ list-style:none; margin:1.2em 0 0; padding:0; display:grid; gap:10px; }
.svc-list li{
  display:flex; gap:.7em; align-items:flex-start;
  font-size:.94rem; color:var(--foam-300);
}
.svc-list li::before{
  content:""; width:5px; height:5px; margin-top:.55em; flex:none;
  background:var(--blue-400); border-radius:50%;
}
.svc-list strong{ color:var(--foam-100); }

/* ---------------- bio ---------------- */
.bio-card{
  display:grid; grid-template-columns:88px 1fr; gap:20px;
  background:var(--navy-700); border:1px solid var(--line); border-radius:4px;
  padding:26px;
}
.bio-avatar{
  width:88px; height:88px; border-radius:50%;
  background:var(--navy-800); border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  color:var(--blue-400);
}
.bio-avatar svg{ width:40px; height:40px; }
.bio-role{ font-family:var(--font-mono); font-size:.72rem; color:var(--blue-400); letter-spacing:.06em; text-transform:uppercase; }

.quals{ list-style:none; margin:0; padding:0; display:grid; gap:8px; }
.quals li{
  font-size:.9rem; color:var(--foam-300);
  display:flex; gap:.6em; align-items:baseline;
  border-bottom:1px dashed var(--line); padding-bottom:8px;
}
.quals li:last-child{ border-bottom:none; }
.quals li::before{ content:"—"; color:var(--blue-500); flex:none; }

/* ---------------- contact ---------------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start; }
.field{ display:flex; flex-direction:column; gap:6px; margin-bottom:18px; }
.field label{ font-size:.8rem; color:var(--foam-300); font-family:var(--font-mono); letter-spacing:.04em; }
.field input, .field textarea, .field select{
  background:var(--navy-800); border:1px solid var(--line); border-radius:3px;
  color:var(--foam-100); padding:11px 12px; font-family:var(--font-body); font-size:.95rem;
}
.field input:focus, .field textarea:focus, .field select:focus{ border-color:var(--blue-500); outline:none; }
.field textarea{ resize:vertical; min-height:110px; }
.form-note{ font-size:.82rem; color:var(--foam-500); margin-top:-6px; }

.contact-item{ display:flex; gap:14px; align-items:flex-start; margin-bottom:22px; }
.contact-item .icon{ width:22px; height:22px; color:var(--blue-400); flex:none; margin-top:2px; }
.contact-item h3{ font-size:.95rem; margin-bottom:2px; color:var(--foam-100); }
.contact-item p{ margin:0; font-size:.92rem; }

.ports{ display:flex; flex-wrap:wrap; gap:8px; margin-top:8px; }
.port-tag{
  font-family:var(--font-mono); font-size:.72rem; color:var(--foam-300);
  border:1px solid var(--line); border-radius:20px; padding:5px 12px;
}

/* ---------------- accreditation badges ---------------- */
.trust-strip{
  display:flex; flex-wrap:wrap; gap:20px; align-items:stretch; margin-top:32px;
}
.badge-plate{
  background:#f4f6f8; border-radius:6px;
  padding:18px 20px;
  display:flex; flex-direction:column; align-items:center; gap:12px;
  flex:1 1 220px; max-width:280px;
  border:1px solid var(--line);
}
.badge-plate img{ max-height:84px; width:auto; }
.badge-plate span{
  font-family:var(--font-mono); font-size:.72rem; text-align:center;
  color:var(--navy-900); letter-spacing:.02em; line-height:1.4;
}

/* ---------------- legal / terms page ---------------- */
.legal{ max-width:74ch; }
.legal h2{
  font-size:1.15rem; margin-top:2.2em; padding-top:1.4em;
  border-top:1px solid var(--line);
}
.legal h2:first-of-type{ border-top:none; margin-top:0; padding-top:0; }
.legal p, .legal li{ font-size:.95rem; }
.legal strong{ color:var(--foam-100); }
.legal .legal-meta{
  font-family:var(--font-mono); font-size:.8rem; color:var(--foam-300);
  background:var(--navy-800); border:1px solid var(--line); border-radius:4px;
  padding:16px 18px; margin-bottom:2em;
}

/* ---------------- cta band ---------------- */
.cta-band{
  background:var(--navy-800);
  border-block:1px solid var(--line);
  padding-block:56px;
}
.cta-band .wrap{
  display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
}
.cta-band h2{ margin-bottom:.2em; }
.cta-band p{ margin-bottom:0; }

/* ---------------- footer ---------------- */
footer.site{
  background:var(--navy-950);
  border-top:1px solid var(--line);
  padding-block:48px 28px;
}
.footer-grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:36px;
  margin-bottom:32px;
}
.footer-grid h4{
  font-family:var(--font-mono); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.1em; color:var(--foam-500); margin-bottom:14px; font-weight:600;
}
.footer-grid ul{ list-style:none; margin:0; padding:0; display:grid; gap:9px; }
.footer-grid a, .footer-grid p{ color:var(--foam-300); font-size:.9rem; margin:0; }
.footer-brand p{ font-size:.88rem; }
.footer-mark{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.footer-mark svg{ width:26px; height:26px; }
.footer-mark span{ font-family:var(--font-display); font-size:1.02rem; color:var(--foam-100); }
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:20px;
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
  font-size:.78rem; color:var(--foam-500);
  font-family:var(--font-mono);
}

/* ---------------- pricing tables ---------------- */
.price-intro{ max-width:66ch; }
.price-table-wrap{
  overflow-x:auto; border:1px solid var(--line); border-radius:4px;
  background:var(--navy-700);
}
.price-table{
  width:100%; border-collapse:collapse; font-size:.9rem; min-width:360px;
}
.price-table caption{
  text-align:left; font-family:var(--font-mono); font-size:.72rem;
  letter-spacing:.08em; text-transform:uppercase; color:var(--blue-400);
  padding:14px 18px 0;
}
.price-table th, .price-table td{
  padding:10px 18px; text-align:left; border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.price-table thead th{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.06em;
  text-transform:uppercase; color:var(--foam-500); font-weight:500;
  border-bottom:1px solid var(--blue-500);
}
.price-table td:not(:first-child), .price-table th:not(:first-child){ text-align:right; }
.price-table tbody tr:hover{ background:var(--navy-600); }
.price-table tbody tr:last-child td{ border-bottom:none; }
.price-table .poa-row td{
  font-style:italic; color:var(--blue-300); font-size:.85rem;
}
.price-split{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.price-split .price-table-wrap{ height:100%; }

.price-placeholder{
  display:inline-flex; align-items:center; gap:4px;
  font-family:var(--font-mono); font-size:.88rem; color:var(--blue-300);
  border:1px dashed var(--blue-500); border-radius:4px; padding:2px 8px;
  background:var(--blue-glow);
}
.price-note{
  font-size:.82rem; color:var(--foam-500); margin-top:14px;
}
.placeholder-banner{
  display:flex; gap:12px; align-items:flex-start;
  background:var(--blue-glow); border:1px solid var(--blue-500); border-radius:4px;
  padding:16px 18px; margin-bottom:28px; font-size:.9rem; color:var(--foam-100);
}
.placeholder-banner .icon{ width:20px; height:20px; color:var(--blue-300); flex:none; margin-top:1px; }
.placeholder-banner strong{ color:var(--blue-300); }

/* ---------------- FAQ accordion ---------------- */
.faq{ display:grid; gap:10px; }
.faq details{
  background:var(--navy-700); border:1px solid var(--line); border-radius:4px;
  padding:4px 20px;
}
.faq details[open]{ border-color:var(--blue-500); }
.faq summary{
  cursor:pointer; list-style:none; padding:18px 30px 18px 0;
  font-family:var(--font-body); font-weight:600; font-size:.98rem;
  color:var(--foam-100); position:relative;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:"+"; position:absolute; right:0; top:50%; transform:translateY(-50%);
  font-family:var(--font-mono); font-size:1.3rem; color:var(--blue-400);
  width:22px; height:22px; text-align:center; line-height:22px;
}
.faq details[open] summary::after{ content:"\2013"; }
.faq .faq-answer{ padding:0 0 20px; font-size:.92rem; color:var(--foam-300); max-width:72ch; }
.faq .faq-answer p{ margin:0 0 .9em; }
.faq .faq-answer p:last-child{ margin-bottom:0; }

/* ---------------- booking & payment ---------------- */
.booking-embed{
  border:1px dashed var(--line); border-radius:6px;
  background:var(--navy-800); padding:34px 28px; text-align:center;
}
.booking-embed .icon{ width:34px; height:34px; color:var(--blue-400); margin:0 auto 14px; }
.booking-embed h3{ margin-bottom:.4em; }
.booking-embed p{ max-width:52ch; margin:0 auto .3em; font-size:.92rem; }

.setup-steps{ list-style:none; margin:0; padding:0; counter-reset:step; display:grid; gap:14px; }
.setup-steps li{
  display:flex; gap:14px; align-items:flex-start;
  font-size:.92rem; color:var(--foam-300);
}
.setup-steps li::before{
  counter-increment:step; content:counter(step);
  flex:none; width:26px; height:26px; border-radius:50%;
  background:var(--navy-700); border:1px solid var(--blue-500); color:var(--blue-300);
  font-family:var(--font-mono); font-size:.78rem;
  display:flex; align-items:center; justify-content:center;
}
.setup-steps strong{ color:var(--foam-100); }

.pay-box{
  background:var(--navy-700); border:1px solid var(--line); border-radius:4px;
  padding:28px 26px;
}
.pay-box .pay-head{ display:flex; align-items:center; gap:12px; margin-bottom:12px; }
.pay-box .pay-head .icon{ width:26px; height:26px; color:var(--blue-400); flex:none; }
.pay-box p{ font-size:.92rem; }
.pay-btn{ display:inline-flex; margin:4px 0 10px; }
.pay-btn[aria-disabled="true"]{
  background:var(--navy-600); color:var(--foam-500); cursor:not-allowed;
  pointer-events:none;
}

.calendar-card{
  background:var(--navy-700); border:1px solid var(--line); border-radius:4px;
  padding:28px 26px;
}
.calendar-embed-wrap{
  border-radius:4px; overflow:hidden; border:1px solid var(--line);
  background:#fff; margin-top:14px;
}
.calendar-embed-wrap iframe{ display:block; width:100%; }

/* ---------------- booking / step grid ---------------- */
.step-grid{ display:grid; grid-template-columns:1fr 1fr; gap:28px; align-items:start; }

/* ---------------- photo gallery ---------------- */
.gallery-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:16px;
}
.gallery-tile{
  position:relative; aspect-ratio:4/3; border-radius:4px; overflow:hidden;
  background:var(--navy-800); border:1px solid var(--line);
}
.gallery-tile img{ width:100%; height:100%; object-fit:cover; display:block; }
.gallery-tile.is-placeholder{
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:10px; border-style:dashed; border-color:var(--blue-500);
  color:var(--foam-500); text-align:center; padding:16px;
}
.gallery-tile.is-placeholder .icon{ width:28px; height:28px; color:var(--blue-400); }
.gallery-tile.is-placeholder span{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.04em; }
.gallery-tile .cap{
  position:absolute; left:0; right:0; bottom:0;
  background:linear-gradient(0deg, rgba(6,15,26,.88), transparent);
  color:var(--foam-100); font-size:.82rem; padding:22px 12px 10px;
}
.gallery-tile.span-2{ grid-column:span 2; }

/* ---------------- responsive ---------------- */
@media (max-width:860px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    background:var(--navy-950); border-bottom:1px solid var(--line);
    flex-direction:column; align-items:flex-start; gap:0; padding:8px 24px 16px;
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-links li{ width:100%; padding:12px 0; border-bottom:1px solid var(--line); }
  .nav-links li:last-child{ border-bottom:none; }
  .nav-phone{ display:none; }
  .nav-toggle{ display:inline-flex; }
  .hero .wrap{ grid-template-columns:1fr; }
  .hero-figure{ order:-1; }
  .hero-figure svg{ max-width:180px; }
  .grid-3{ grid-template-columns:1fr; }
  .grid-2{ grid-template-columns:1fr; }
  .grid-4{ grid-template-columns:1fr 1fr; }
  .svc-block{ grid-template-columns:1fr; gap:12px; }
  .bio-card{ grid-template-columns:64px 1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:26px; }
  .cta-band .wrap{ flex-direction:column; align-items:flex-start; }
  .price-split{ grid-template-columns:1fr; }
  .step-grid{ grid-template-columns:1fr; }
  .gallery-grid{ grid-template-columns:repeat(2, 1fr); }
  .gallery-tile.span-2{ grid-column:span 1; }
  .dropdown-menu{ position:static; margin-top:6px; left:0; box-shadow:none; border:none; background:var(--navy-800); display:none; }
  li.has-dropdown.open .dropdown-menu{ display:flex; }
  li.has-dropdown:hover .dropdown-menu, li.has-dropdown:focus-within .dropdown-menu{ display:none; }
  li.has-dropdown.open:hover .dropdown-menu, li.has-dropdown.open:focus-within .dropdown-menu{ display:flex; }
}

@media (max-width:480px){
  .brand .name strong{ font-size:.92rem; }
  .brand .name span{ font-size:.56rem; }
  .nav-right .btn-primary{ display:none; }
}

@media (prefers-reduced-motion:reduce){
  *{ transition:none !important; animation:none !important; }
}