/* Post Oak Travel — shared styles */
:root {
  --oak: #102a43;          /* Deep Harbor: headings, dark sections */
  --oak-2: #17548f;        /* Post Oak Blue */
  --sea: #17548f;
  --sand: #f7efe2;
  --sand-2: #efe4d1;
  --gold: #c4592c;          /* Coral, darkened for readable text/buttons */
  --coral: #f08a5d;        /* Coral, decorative */
  --ink: #16212c;
  --muted: #536271;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(16, 42, 67, 0.10);
  --max: 1160px;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--sand);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--oak-2); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; margin: 0 0 .5em; color: var(--oak); }
h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
@media (max-width: 600px) { .container { padding: 0 16px; } }

.eyebrow {
  display: inline-block;
  font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gold); margin-bottom: .8rem;
}
.lead { font-size: 1.15rem; color: var(--muted); max-width: 640px; }

/* Buttons */
.btn {
  display: inline-block; padding: .85rem 1.5rem; border-radius: 999px;
  font-weight: 600; text-decoration: none; font-size: .98rem;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
  border: 2px solid transparent; cursor: pointer; font-family: var(--sans);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--gold); color: var(--white); box-shadow: 0 6px 18px rgba(196,89,44,.30); }
.btn-primary:hover { background: #a8471f; }
.btn-ghost { border-color: currentColor; color: var(--white); }
.btn-dark { background: var(--oak); color: var(--white); }
.btn-dark:hover { background: var(--oak-2); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 239, 226, 0.92);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid rgba(16, 42, 67, 0.08);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--oak); }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand-name { font-family: var(--serif); font-size: 1.3rem; font-weight: 600; line-height: 1; }
.brand-name small { color: var(--oak-2) !important; display: block; font-family: var(--sans); font-size: .62rem; letter-spacing: .22em; text-transform: uppercase; color: var(--gold); margin-top: 3px; font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 1.8rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { text-decoration: none; color: var(--ink); font-weight: 500; font-size: .96rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--gold); }
.nav-links .btn { color: var(--white); padding: .6rem 1.2rem; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--oak); }
.nav-toggle svg { width: 28px; height: 28px; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--sand); border-bottom: 1px solid var(--sand-2);
    padding: .5rem 16px 1.2rem; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: .8rem 0; border-bottom: 1px solid var(--sand-2); }
  .nav-links li:last-child a { margin-top: 1rem; text-align: center; border: 0; }
}

/* Hero */
.hero {
  position: relative; overflow: hidden; color: var(--white);
  background:
    radial-gradient(1100px 480px at 88% -10%, rgba(240,138,93,.38), transparent 60%),
    linear-gradient(160deg, #17548f 0%, #123f6c 50%, #102a43 100%);
  padding: 110px 0 140px;
}
.hero h1 { color: var(--white); max-width: 780px; }
.hero .lead { color: rgba(255,255,255,.82); }
.hero .eyebrow, .dark .eyebrow { color: var(--coral); }
.hero .actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.hero-waves { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: 90px; }
.hero.small { padding: 80px 0 110px; }
@media (max-width: 600px) {
  .hero, .hero.small { padding: 64px 0 90px; }
  .hero-waves { height: 44px; }
}

/* Sections */
section.block { padding: 96px 0; }
section.block.alt { background: var(--white); }
section.block.dark { background: var(--oak); color: rgba(255,255,255,.88); }
section.block.dark h2, section.block.dark h3 { color: var(--white); }
.section-head { max-width: 700px; margin-bottom: 3rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .lead { margin: 0 auto; }
@media (max-width: 600px) { section.block { padding: 64px 0; } }

/* Grids & cards */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-feature { grid-template-columns: 1.55fr 1fr; }
.grid-feature .panel:first-child { min-height: 440px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-feature, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--white); border-radius: var(--radius); padding: 2rem;
  box-shadow: var(--shadow); border: 1px solid rgba(16,42,67,.06);
}
.alt .card { background: var(--sand); box-shadow: none; }
.card .icon {
  width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(240,138,93,.16); color: var(--gold); margin-bottom: 1.2rem;
}
.card .icon svg { width: 26px; height: 26px; }
.card p:last-child { margin-bottom: 0; }

/* Feature panels (hotels/cruises on home) */
.panel {
  position: relative; border-radius: 20px; overflow: hidden; min-height: 380px;
  display: flex; align-items: flex-end; padding: 2.2rem; color: var(--white);
  text-decoration: none; box-shadow: var(--shadow);
  transition: transform .2s ease;
}
.panel:hover { transform: translateY(-3px); }
.panel h3 { color: var(--white); font-size: 1.9rem; }
.panel p { color: rgba(255,255,255,.86); max-width: 420px; }
.panel .more { font-weight: 600; color: #ffd2bd; }
.panel-hotels { background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(16,42,67,.7)), linear-gradient(135deg, #17548f, #4f86b8 55%, #f0a37f); }
.panel-cruises { background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(8,20,34,.7)), linear-gradient(135deg, #102a43, #2f6a9a 60%, #9cc3ea); }
.panel .art { position: absolute; top: 24px; right: 24px; width: 120px; height: 120px; opacity: .35; }

/* Steps */
.steps { counter-reset: step; }
.step { position: relative; padding-top: 3.4rem; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; top: 0; left: 0;
  font-family: var(--serif); font-size: 2.2rem; color: var(--gold); font-weight: 600;
}

/* Lists */
.check-list { list-style: none; padding: 0; margin: 0 0 1rem; }
.check-list li { position: relative; padding-left: 1.9rem; margin-bottom: .6rem; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: .42em; width: 1.1rem; height: 1.1rem; border-radius: 50%;
  background: var(--gold) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/70% no-repeat;
}

.tags { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 0; list-style: none; }
.tags li { background: var(--sand-2); color: var(--oak); padding: .35rem .85rem; border-radius: 999px; font-size: .88rem; font-weight: 500; }
.alt .tags li { background: var(--sand); }

/* Split */
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 36px; } }
.art-box {
  border-radius: 20px; aspect-ratio: 4 / 3.2; overflow: hidden; position: relative;
  background: linear-gradient(135deg, var(--oak-2), var(--sea));
  display: grid; place-items: center; color: rgba(255,255,255,.9);
}
.art-box svg { width: 70%; height: auto; }

/* Quote */
.quote { font-family: var(--serif); font-size: 1.25rem; line-height: 1.5; color: var(--oak); margin: 0 0 1rem; }
.dark .quote { color: var(--white); }
.quote-by { font-size: .92rem; color: var(--muted); font-weight: 600; }
.dark .quote-by { color: #ffd2bd; }

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, #d4683a, #a8471f);
  color: var(--white); border-radius: 24px; padding: 3.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
}
.cta-band h2 { color: var(--white); margin: 0 0 .3rem; }
.cta-band p { margin: 0; color: rgba(255,255,255,.9); }
.cta-band .btn { background: var(--white); color: var(--oak); }
@media (max-width: 600px) { .cta-band { padding: 2.2rem 1.5rem; } }

/* FAQ */
details { background: var(--white); border-radius: 12px; padding: 1.1rem 1.4rem; margin-bottom: .8rem; border: 1px solid rgba(16,42,67,.08); }
details summary { cursor: pointer; font-weight: 600; color: var(--oak); list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--gold); }
details[open] summary::after { content: "–"; }
details p { margin: .8rem 0 0; color: var(--muted); }

/* Forms */
.form { display: grid; gap: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.form label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .35rem; color: var(--oak); }
.form input, .form select, .form textarea {
  width: 100%; padding: .8rem .95rem; border-radius: 10px; font: inherit; font-size: 1rem;
  border: 1.5px solid #d6ccb8; background: var(--white); color: var(--ink);
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(196,89,44,.2); }
.form textarea { min-height: 140px; resize: vertical; }
.hidden { display: none; }

.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { display: flex; gap: .9rem; align-items: flex-start; margin-bottom: 1.3rem; }
.contact-list svg { width: 22px; height: 22px; color: var(--gold); flex: none; margin-top: .2rem; }
.contact-list strong { display: block; color: var(--oak); }

/* Footer */
.site-footer { background: #0b1e30; color: rgba(255,255,255,.72); padding: 64px 0 32px; font-size: .95rem; }
.site-footer a { color: rgba(255,255,255,.85); text-decoration: none; }
.site-footer a:hover { color: #ffb594; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer .brand { color: var(--white); margin-bottom: 1rem; }
.site-footer .brand-name small { color: #9cc3ea !important; }
.site-footer h4 { color: var(--white); font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 1rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .5rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 48px; padding-top: 24px; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .85rem; }