:root {
  --ocean: #0b4f6c;
  --ocean-dark: #073447;
  --turquoise: #58cbd3; /* from logo */
  --sand: #f7f1e6;
  --coral: #ff7a59;
  --wa: #25d366;
  --wa-dark: #1ebe5a;
  --text: #1d2b33;
  --muted: #5f707a;
  --card: #ffffff;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(7, 52, 71, 0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
}
h1, h2, h3 { font-family: "Playfair Display", Georgia, serif; line-height: 1.2; margin: 0 0 .4em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 24px; border: 0; border-radius: 999px;
  background: var(--coral); color: #fff; font: 600 15px "Inter", sans-serif;
  cursor: pointer; transition: transform .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-wa { background: var(--wa); }
.btn-wa:hover { background: var(--wa-dark); }
.btn-block { width: 100%; }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .25s, box-shadow .25s;
}
.nav.scrolled { background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.08); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; }
.brand-icon { width: 44px; height: 44px; }
.brand-icon.on-scroll { display: none; }
.nav.scrolled .brand-icon.on-hero { display: none; }
.nav.scrolled .brand-icon.on-scroll { display: block; }
.brand-text { font: 500 18px "Montserrat", sans-serif; letter-spacing: 3px; }
.nav.scrolled .brand { color: #2a2d33; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: #fff; font-weight: 500; font-size: 15px; }
.nav.scrolled .nav-links a:not(.btn) { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 26px; cursor: pointer; }
.nav.scrolled .nav-toggle { color: var(--text); }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 92vh; display: flex; align-items: center;
  /* placeholder ocean background, replace with a real photo:
     background: url("images/hero.jpg") center/cover; */
  background: linear-gradient(180deg, #7fd3e6 0%, #2bb3c8 45%, #0b6f8c 100%);
  color: #fff;
}
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,52,71,.45), rgba(7,52,71,.15) 50%, rgba(7,52,71,.5)); }
.hero-content { position: relative; padding-top: 80px; padding-bottom: 60px; width: 100%; }
.hero-logo { width: 150px; margin-bottom: 20px; }
.hero h1 { font-size: clamp(34px, 5.5vw, 64px); max-width: 780px; }
.hero-sub { font-size: clamp(16px, 2vw, 20px); opacity: .95; margin: 0 0 36px; }

.search-bar {
  display: grid; grid-template-columns: 1.3fr 1fr 1fr .7fr auto; gap: 12px; align-items: end;
  background: #fff; color: var(--text); padding: 16px; border-radius: var(--radius); box-shadow: var(--shadow);
  max-width: 1000px;
}
.search-bar label { display: flex; flex-direction: column; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.search-bar input, .search-bar select {
  margin-top: 6px; padding: 11px 12px; border: 1px solid #dde5ea; border-radius: 10px;
  font: 500 15px "Inter", sans-serif; color: var(--text); background: #fff; width: 100%; height: 46px;
}

/* ---------- sections ---------- */
.section { padding: 84px 0; }
.section.alt { background: var(--sand); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 32px; }
.section-head.center { justify-content: center; text-align: center; }
.section-head h2 { font-size: clamp(28px, 3.6vw, 40px); color: var(--ocean); }
.section-head p { margin: 0; color: var(--muted); }

.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- cards ---------- */
.card {
  background: var(--card); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); display: flex; flex-direction: column; transition: transform .2s;
}
.card:hover { transform: translateY(-4px); }
.card-img {
  position: relative; aspect-ratio: 4 / 3; background-size: cover; background-position: center;
}
.card-img .explore {
  position: absolute; left: 14px; bottom: 14px; background: rgba(255,255,255,.92); color: var(--ocean);
  font-size: 12px; font-weight: 700; letter-spacing: 1px; padding: 6px 12px; border-radius: 999px;
}
.card-img .tag {
  position: absolute; right: 14px; top: 14px; background: var(--coral); color: #fff;
  font-size: 12px; font-weight: 600; padding: 5px 11px; border-radius: 999px;
}
.card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: 21px; color: var(--ocean); }
.card-body p { margin: 0 0 16px; color: var(--muted); font-size: 15px; flex: 1; }
.card-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; border-top: 1px solid #eef2f4; padding-top: 14px; font-size: 14px; }
.card-meta .duration { color: var(--muted); }
.card-meta .price { font-weight: 700; color: var(--text); }
.card-meta .ask { color: var(--wa-dark); font-weight: 600; }

/* placeholder tones until real photos arrive */
.tone-reef   { background-image: linear-gradient(135deg, #22c1c3, #0b6f8c); }
.tone-sunset { background-image: linear-gradient(135deg, #ffb36b, #ff7a59 45%, #6a4c93); }
.tone-sand   { background-image: linear-gradient(160deg, #8fe3ef 0 45%, #f3e3c3 46%); }
.tone-night  { background-image: linear-gradient(135deg, #1b2a49, #0b4f6c); }
.tone-deep   { background-image: linear-gradient(135deg, #0b4f6c, #073447); }
.tone-lagoon { background-image: linear-gradient(135deg, #a8eef5, #1fb5c4); }

/* ---------- slider ---------- */
.slider {
  display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 48px) / 3);
  gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
  padding: 4px 4px 20px; margin: 0 -4px;
}
.slider::-webkit-scrollbar { display: none; }
.slider > * { scroll-snap-align: start; }
.slider-arrows { display: flex; gap: 10px; }
.slider-arrows button {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid #d5dfe5; background: #fff;
  font-size: 24px; color: var(--ocean); cursor: pointer;
}
.slider-arrows button:hover { background: var(--ocean); color: #fff; }

/* ---------- quote ---------- */
.quote { background: linear-gradient(135deg, var(--ocean), var(--ocean-dark)); color: #fff; }
.quote-inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: center; }
.quote-text h2 { font-size: clamp(28px, 3.6vw, 42px); }
.quote-text p { opacity: .9; font-size: 17px; }
.quote-text .note { font-size: 14px; opacity: .7; }
.quote-form { background: #fff; color: var(--text); padding: 28px; border-radius: var(--radius); box-shadow: var(--shadow); }
.quote-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.quote-form label { display: flex; flex-direction: column; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 14px; }
.quote-form input, .quote-form textarea {
  margin-top: 6px; padding: 11px 12px; border: 1px solid #dde5ea; border-radius: 10px;
  font: 400 15px "Inter", sans-serif; color: var(--text); width: 100%;
}
.quote-form fieldset { border: 0; padding: 0; margin: 0 0 14px; }
.quote-form legend { font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 8px; }
.checks { display: flex; flex-wrap: wrap; gap: 8px; }
.checks label { flex-direction: row; align-items: center; margin: 0; }
.checks input { display: none; }
.checks span {
  padding: 7px 14px; border: 1px solid #d5dfe5; border-radius: 999px; font-size: 14px; font-weight: 500;
  color: var(--text); cursor: pointer; user-select: none;
}
.checks input:checked + span { background: var(--ocean); border-color: var(--ocean); color: #fff; }

/* ---------- why us ---------- */
.why { text-align: center; padding: 28px 20px; border-radius: var(--radius); background: var(--sand); }
.why .icon { font-size: 38px; }
.why h3 { font-size: 19px; color: var(--ocean); margin-top: 10px; }
.why p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- footer ---------- */
.footer { background: var(--ocean-dark); color: rgba(255,255,255,.8); padding: 56px 0 24px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.footer h4 { color: #fff; margin: 0 0 12px; }
.footer p { margin: 0 0 6px; }
.footer a:hover { color: #fff; }
.footer-logo { width: 130px; margin-bottom: 12px; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); margin-top: 36px; padding-top: 20px; font-size: 13px; opacity: .7; }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%; background: var(--wa);
  display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 18px rgba(0,0,0,.25);
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .search-bar { grid-template-columns: 1fr 1fr; }
  .search-bar button { grid-column: 1 / -1; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .slider { grid-auto-columns: calc((100% - 24px) / 2); }
  .quote-inner { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 720px) {
  .container { padding: 0 16px; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: #fff; box-shadow: 0 8px 16px rgba(0,0,0,.1);
  }
  .nav-links.open { display: flex; }
  .nav-links a { color: var(--text) !important; padding: 14px 20px; width: 100%; }
  .nav-links .btn { border-radius: 0; }
  .section { padding: 60px 0; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .slider { grid-auto-columns: 85%; }
  .slider-arrows { display: none; }
  .quote-form .row { grid-template-columns: 1fr; gap: 0; }
  .quote-form { padding: 20px; }
  .footer-inner { grid-template-columns: 1fr; }
}