/* Blue Planet Ecotours — Shared Styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --ocean:    #1a4a6b;
  --deep:     #0d2e45;
  --sky:      #4a9ab5;
  --sand:     #d4b896;
  --tan:      #f0e8da;
  --green:    #2d5a3d;
  --seafoam:  #7ab5a0;
  --volcanic: #1c1c1c;
  --cream:    #faf7f2;
  --white:    #ffffff;
  --text:     #1c2b1e;
  --muted:    #5a6a5c;
}
html { scroll-behavior: smooth; }
body { font-family: 'DM Sans', sans-serif; background: var(--cream); color: var(--text); overflow-x: hidden; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2.5rem;
  background: rgba(13,46,69,0.96); backdrop-filter: blur(12px);
}
.nav-logo { font-family: 'Cormorant Garamond', serif; font-size: 1.3rem; font-weight: 600; color: var(--white); text-decoration: none; letter-spacing: 0.04em; }
.nav-logo span { color: var(--seafoam); }
.nav-links { display: flex; gap: 1.6rem; list-style: none; align-items: center; }
.nav-links a { font-size: 0.78rem; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.85); text-decoration: none; transition: color 0.2s; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color: var(--seafoam); }
.nav-book { background: var(--seafoam) !important; color: var(--deep) !important; padding: 0.45rem 1.1rem !important; border-radius: 2px; font-weight: 500 !important; }
.nav-book:hover { background: var(--sand) !important; }

/* BUTTONS */
.btn-primary { background: var(--seafoam); color: var(--deep); padding: 0.85rem 2rem; border: none; border-radius: 2px; font-family: 'DM Sans', sans-serif; font-size: 0.85rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; cursor: pointer; transition: background 0.2s, transform 0.2s; display: inline-block; }
.btn-primary:hover { background: var(--sand); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--white); padding: 0.85rem 2rem; border: 1px solid rgba(255,255,255,0.4); border-radius: 2px; font-family: 'DM Sans', sans-serif; font-size: 0.85rem; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; cursor: pointer; transition: border-color 0.2s, transform 0.2s; display: inline-block; }
.btn-outline:hover { border-color: var(--seafoam); color: var(--seafoam); transform: translateY(-2px); }

/* PAGE HERO */
.page-hero { padding: 8rem 3rem 5rem; background: linear-gradient(160deg, #0d2e45 0%, #1a4a6b 60%, #0d3d30 100%); text-align: center; position: relative; overflow: hidden; }
.page-hero::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 60px; background: var(--cream); clip-path: ellipse(55% 100% at 50% 100%); }
.page-hero-eyebrow { font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--seafoam); margin-bottom: 1rem; }
.page-hero h1 { font-family: 'Cormorant Garamond', serif; font-size: clamp(2.2rem, 4.5vw, 3.5rem); font-weight: 300; color: var(--white); margin-bottom: 1rem; }
.page-hero h1 em { font-style: italic; color: var(--seafoam); }
.page-hero p { font-size: 1rem; color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 auto; line-height: 1.7; font-weight: 300; }

/* SECTION */
.section-label { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--seafoam); margin-bottom: 0.8rem; font-weight: 500; }
.section-title { font-family: 'Cormorant Garamond', serif; font-size: clamp(2rem, 4vw, 3rem); font-weight: 300; line-height: 1.15; color: var(--deep); margin-bottom: 1rem; }
.section-title em { font-style: italic; color: var(--ocean); }
.section-sub { font-size: 1rem; color: var(--muted); line-height: 1.75; max-width: 520px; font-weight: 300; }

/* TRUST BAR */
.trust-bar { background: var(--deep); padding: 2.5rem 3rem; display: flex; justify-content: center; gap: 4rem; flex-wrap: wrap; }
.trust-item { text-align: center; }
.trust-item strong { display: block; font-family: 'Cormorant Garamond', serif; font-size: 1.8rem; font-weight: 300; color: var(--seafoam); }
.trust-item span { font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.45); }

/* FOOTER */
footer { background: var(--volcanic); color: rgba(255,255,255,0.5); padding: 3rem; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; }
.footer-brand p { font-size: 0.82rem; line-height: 1.7; font-weight: 300; max-width: 240px; margin-top: 0.8rem; }
footer h5 { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255,255,255,0.7); margin-bottom: 1rem; font-weight: 500; }
footer ul { list-style: none; }
footer ul li { margin-bottom: 0.5rem; }
footer ul a { font-size: 0.85rem; color: rgba(255,255,255,0.45); text-decoration: none; transition: color 0.2s; font-weight: 300; }
footer ul a:hover { color: var(--seafoam); }
.footer-bottom { background: var(--volcanic); border-top: 1px solid rgba(255,255,255,0.06); text-align: center; padding: 1.2rem 3rem; font-size: 0.75rem; color: rgba(255,255,255,0.25); }
.footer-bottom span { color: var(--seafoam); }

/* REVEAL */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* RESPONSIVE */
@media (max-width: 1000px) {
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 0.72rem; }
}
@media (max-width: 820px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  footer { grid-template-columns: 1fr 1fr; }
  .trust-bar { gap: 2rem; }
}
@media (max-width: 500px) {
  footer { grid-template-columns: 1fr; }
}