:root {
  --forest: #0a2416;
  --forest-mid: #0f3d22;
  --teal: #00b4a6;
  --teal-dark: #007a72;
  --teal-pale: #e6f9f8;
  --amber: #e8a020;
  --coral: #e05c45;
  --green: #2a9d5c;
  --surface: #ffffff;
  --surface-2: #f7f9fc;
  --surface-3: #eef2f7;
  --border: #e2e8f2;
  --text-primary: #0d1f35;
  --text-secondary: #4a6080;
  --text-muted: #8aa0bc;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(10,22,40,0.10);
  --shadow-lg: 0 12px 48px rgba(10,22,40,0.16);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', 'DM Sans', system-ui, sans-serif; background: var(--surface-2); color: var(--text-primary); line-height: 1.6; font-size: 15px; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ── NAV ── */
.nav { background: var(--forest); position: sticky; top: 0; z-index: 100; }
.nav-inner { max-width: 1140px; margin: 0 auto; padding: 0 20px; height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.nav-logo { display: flex; align-items: center; gap: 10px; color: #fff; }
.nav-logo-icon { width: 36px; height: 36px; background: var(--teal); border-radius: 9px; display: flex; align-items: center; justify-content: center; font-size: 17px; flex-shrink: 0; }
.nav-logo-icon img { width: 36px; height: 36px; border-radius: 9px; object-fit: contain; }
.nav-brand { font-size: 15px; font-weight: 600; line-height: 1.2; }
.nav-tagline { font-size: 10px; color: rgba(255,255,255,0.4); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link { color: rgba(255,255,255,0.65); font-size: 13.5px; padding: 7px 12px; border-radius: 7px; transition: all .15s; }
.nav-link:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-cta { background: var(--teal); color: #fff !important; font-weight: 600; padding: 8px 16px !important; }
.nav-cta:hover { background: var(--teal-dark) !important; }

/* ── HERO ── */
.hero { background: linear-gradient(160deg, var(--forest) 0%, var(--forest-mid) 100%); padding: 70px 20px 80px; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300b4a6' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.hero-inner { max-width: 700px; margin: 0 auto; position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(0,180,166,.15); color: var(--teal); border: 1px solid rgba(0,180,166,.3); border-radius: 20px; padding: 5px 14px; font-size: 12.5px; font-weight: 500; margin-bottom: 18px; }
.hero h1 { font-size: clamp(26px, 5vw, 42px); font-weight: 700; color: #fff; line-height: 1.2; margin-bottom: 14px; }
.hero p { font-size: 16px; color: rgba(255,255,255,0.6); margin-bottom: 32px; max-width: 500px; margin-left: auto; margin-right: auto; }
.hero-stats { display: flex; justify-content: center; gap: 32px; flex-wrap: wrap; margin-top: 36px; }
.hero-stat { text-align: center; }
.hero-stat-val { font-size: 22px; font-weight: 700; color: var(--teal); font-family: 'Plus Jakarta Sans', sans-serif; }
.hero-stat-lbl { font-size: 12px; color: rgba(255,255,255,0.4); margin-top: 2px; }

/* ── LAYOUT ── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.section { padding: 52px 0; }
.section-title { font-size: 22px; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.section-sub { font-size: 14px; color: var(--text-muted); margin-bottom: 28px; }

/* ── CRUISE CARDS ── */
.cruise-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.cruise-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; transition: box-shadow .2s, transform .2s; cursor: pointer; }
.cruise-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.cruise-card-img { height: 160px; background: linear-gradient(135deg, var(--forest-mid), #1a5c30); display: flex; align-items: center; justify-content: center; font-size: 52px; position: relative; overflow: hidden; }
.cruise-card-img img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.cruise-card-badge { position: absolute; top: 12px; left: 12px; background: var(--green); color: #fff; font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 20px; }
.cruise-card-badge.full { background: var(--coral); }
.cruise-card-body { padding: 18px; }
.cruise-card-title { font-size: 15.5px; font-weight: 600; color: var(--text-primary); margin-bottom: 5px; }
.cruise-card-meta { font-size: 12.5px; color: var(--text-muted); margin-bottom: 12px; display: flex; gap: 12px; flex-wrap: wrap; }
.cruise-card-meta span { display: flex; align-items: center; gap: 4px; }
.cruise-card-highlights { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 14px; }
.highlight-tag { background: var(--surface-3); color: var(--text-secondary); font-size: 11.5px; padding: 3px 9px; border-radius: 6px; }
.cruise-card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--border); }
.cruise-price { }
.price-from { font-size: 10.5px; color: var(--text-muted); }
.price-val { font-size: 20px; font-weight: 700; color: var(--text-primary); font-family: 'Plus Jakarta Sans', sans-serif; line-height: 1; }
.price-per { font-size: 11.5px; color: var(--text-muted); }
.occ-wrap { display: flex; align-items: center; gap: 8px; }
.occ-bar { width: 70px; height: 5px; background: var(--surface-3); border-radius: 3px; overflow: hidden; }
.occ-fill { height: 5px; border-radius: 3px; background: var(--green); }
.occ-fill.warn { background: var(--amber); }
.occ-fill.full { background: var(--coral); }
.occ-pct { font-size: 11.5px; color: var(--text-muted); }

/* ── BUTTONS ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 11px 22px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 600; border: none; cursor: pointer; transition: all .15s; font-family: inherit; text-decoration: none; white-space: nowrap; }
.btn-teal { background: var(--teal); color: #fff; }
.btn-teal:hover { background: var(--teal-dark); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text-secondary); border: 1.5px solid var(--border); }
.btn-outline:hover { background: var(--surface-3); color: var(--text-primary); }
.btn-forest { background: var(--forest); color: #fff; }
.btn-forest:hover { background: var(--forest-mid); }
.btn-lg { padding: 14px 28px; font-size: 15px; }
.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-full { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ── CHECKOUT LAYOUT ── */
.checkout-wrap { display: grid; grid-template-columns: 1fr 340px; gap: 24px; align-items: start; max-width: 1000px; margin: 0 auto; padding: 32px 20px; }
.checkout-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; margin-bottom: 16px; }
.checkout-card-header { padding: 16px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.step-num { width: 26px; height: 26px; border-radius: 50%; background: var(--forest); color: var(--teal); font-size: 12px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.checkout-card-title { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.checkout-card-body { padding: 22px; }

/* ── CABIN CARDS ── */
.cabin-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(195px, 1fr)); gap: 12px; }
.cabin-card { border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 14px; cursor: pointer; transition: all .15s; background: var(--surface); position: relative; }
.cabin-card:hover { border-color: var(--teal); }
.cabin-card.selected { border-color: var(--teal); background: var(--teal-pale); }
.cabin-card.selected::after { content: '✓'; position: absolute; top: 10px; right: 10px; width: 20px; height: 20px; background: var(--teal); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 11px; color: #fff; font-weight: 700; }
.cabin-name { font-weight: 600; font-size: 13.5px; margin-bottom: 3px; color: var(--text-primary); }
.cabin-meta { font-size: 11.5px; color: var(--text-muted); margin-bottom: 8px; }
.cabin-amenity { display: inline-block; background: var(--surface-3); color: var(--text-secondary); font-size: 10.5px; padding: 2px 7px; border-radius: 5px; margin: 1px; }
.cabin-price { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); display: flex; align-items: baseline; justify-content: space-between; }
.cabin-price-val { font-size: 17px; font-weight: 700; color: var(--text-primary); font-family: 'Plus Jakarta Sans', sans-serif; }
.cabin-price-per { font-size: 11px; color: var(--text-muted); }

/* ── FORMS ── */
.form-group { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.form-label { font-size: 12.5px; font-weight: 500; color: var(--text-secondary); }
.form-input, .form-select { padding: 10px 13px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: 14px; font-family: inherit; color: var(--text-primary); background: var(--surface); transition: border-color .15s, box-shadow .15s; width: 100%; outline: none; }
.form-input:focus, .form-select:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0,180,166,.1); }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-hint { font-size: 11.5px; color: var(--text-muted); margin-top: 3px; }
.pax-block { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px; margin-bottom: 12px; }
.pax-label { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 12px; }

/* ── PAYMENT METHODS ── */
.payment-methods { display: flex; flex-direction: column; gap: 10px; }
.pm-card { border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 14px 16px; cursor: pointer; transition: border-color .15s; display: flex; align-items: center; gap: 12px; }
.pm-card:hover { border-color: var(--teal); }
.pm-card.selected { border-color: var(--teal); background: var(--teal-pale); }
.pm-icon { width: 40px; height: 28px; border-radius: 5px; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 800; flex-shrink: 0; }
.pm-bkash  { background: #fce7f3; color: #9d174d; }
.pm-nagad  { background: #fff7ed; color: #c2410c; }
.pm-ssl    { background: #eff6ff; color: #1d4ed8; }
.pm-cash   { background: #f0fdf4; color: #166534; }
.pm-info   { flex: 1; }
.pm-name   { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.pm-desc   { font-size: 12px; color: var(--text-muted); }
.pm-instruction { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px; margin-top: 12px; font-size: 13px; display: none; }
.pm-instruction.show { display: block; }
.pm-instruction strong { display: block; margin-bottom: 6px; color: var(--text-primary); }
.pm-number { font-family: monospace; font-size: 16px; font-weight: 700; color: var(--text-primary); background: #fff; border: 1px solid var(--border); padding: 6px 12px; border-radius: 5px; display: inline-block; margin: 4px 0 10px; letter-spacing: .05em; }

/* ── BOOKING SUMMARY ── */
.summary-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; position: sticky; top: 80px; }
.summary-header { background: var(--forest); padding: 18px 20px; color: #fff; }
.summary-cruise { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.summary-dates  { font-size: 12px; color: rgba(255,255,255,0.5); }
.summary-body   { padding: 16px 20px; }
.summary-row    { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; font-size: 13.5px; border-bottom: 1px solid var(--border); }
.summary-row:last-child { border-bottom: none; }
.summary-row .lbl { color: var(--text-muted); }
.summary-row .val { font-weight: 500; color: var(--text-primary); }
.summary-total  { display: flex; justify-content: space-between; padding: 12px 20px; border-top: 2px solid var(--border); font-size: 15px; font-weight: 700; }
.summary-total .val { color: var(--teal); font-size: 19px; }

/* ── CONFIRMATION ── */
.confirm-wrap { max-width: 580px; margin: 0 auto; padding: 48px 20px; text-align: center; }
.confirm-icon { width: 72px; height: 72px; border-radius: 50%; background: var(--teal); display: flex; align-items: center; justify-content: center; font-size: 32px; margin: 0 auto 20px; color: #fff; }
.confirm-ref  { font-family: monospace; font-size: 22px; font-weight: 700; background: var(--surface-3); padding: 8px 18px; border-radius: 8px; border: 1px solid var(--border); display: inline-block; margin-bottom: 20px; color: var(--text-primary); letter-spacing: .05em; }
.confirm-details { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 20px; text-align: left; margin: 24px 0; }
.confirm-row { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid var(--border); font-size: 13.5px; }
.confirm-row:last-child { border-bottom: none; }
.confirm-row .lbl { color: var(--text-muted); }
.confirm-row .val { font-weight: 500; color: var(--text-primary); }

/* ── LOOKUP ── */
.lookup-wrap { max-width: 480px; margin: 0 auto; padding: 60px 20px; }

/* ── ALERTS ── */
.alert { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 13.5px; margin-bottom: 16px; border: 1px solid; }
.alert-success { background: #f0fdf4; border-color: rgba(42,157,92,.2); color: #166534; }
.alert-error   { background: #fef2f2; border-color: rgba(220,38,38,.2); color: #991b1b; }
.alert-info    { background: #eff6ff; border-color: rgba(59,130,246,.2); color: #1e40af; }

/* ── FOOTER ── */
.footer { background: var(--forest); color: rgba(255,255,255,0.5); padding: 32px 20px; text-align: center; font-size: 13px; }
.footer a { color: var(--teal); }

/* ── RESPONSIVE ── */
@media(max-width:768px){
  .checkout-wrap { grid-template-columns: 1fr; }
  .summary-card  { position: static; }
  .form-grid-2   { grid-template-columns: 1fr; }
  .hero h1       { font-size: 26px; }
}