/* Tharani Cruises - Global Stylesheet */
:root {
  --primary: #003366;
  --primary-dark: #001f3f;
  --accent: #00a6c0;
  --accent-light: #4dd0e1;
  --gold: #f5b800;
  --bg: #f7fbfd;
  --white: #ffffff;
  --text: #1a2733;
  --muted: #5a6b7a;
  --border: #e2e8ee;
  --success: #1e8449;
  --shadow: 0 6px 24px rgba(0, 51, 102, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Top Bar ===== */
.topbar {
  background: var(--primary-dark);
  color: #d6e4f0;
  font-size: 14px;
  padding: 8px 0;
}
.topbar .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.topbar a { color: #d6e4f0; }
.topbar a:hover { color: var(--gold); }
.topbar .tfn { color: var(--gold); font-weight: 600; }

/* ===== Header ===== */
.header {
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 22px;
  color: var(--primary);
}
.logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 22px;
}
nav ul { display: flex; gap: 28px; list-style: none; align-items: center; flex-wrap: wrap; }
nav a {
  color: var(--text);
  font-weight: 500;
  font-size: 15px;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
nav a:hover, nav a.active {
  color: var(--primary);
  border-bottom-color: var(--accent);
}
.cta-call {
  background: var(--gold);
  color: var(--primary-dark) !important;
  padding: 10px 18px !important;
  border-radius: 6px;
  font-weight: 700;
  border-bottom: none !important;
}
.cta-call:hover { background: #ffcc00; }

.menu-toggle { display: none; background: none; border: none; font-size: 26px; cursor: pointer; color: var(--primary); }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, rgba(0, 31, 63, 0.85), rgba(0, 166, 192, 0.7)),
    url('https://images.unsplash.com/photo-1548574505-5e239809ee19?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
  color: var(--white);
  padding: 100px 0 120px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.15;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.hero p {
  font-size: clamp(16px, 2.2vw, 20px);
  max-width: 720px;
  margin: 0 auto 32px;
  opacity: 0.95;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  border: none;
  transition: all .25s;
  text-align: center;
}
.btn-primary { background: var(--gold); color: var(--primary-dark); }
.btn-primary:hover { background: #ffcc00; transform: translateY(-2px); color: var(--primary-dark); }
.btn-outline { background: transparent; border: 2px solid var(--white); color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--primary); }

/* ===== Sections ===== */
section { padding: 72px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: clamp(26px, 4vw, 38px);
  color: var(--primary);
  margin-bottom: 14px;
}
.section-head p { color: var(--muted); font-size: 17px; }

/* ===== Services Grid ===== */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; }
.card {
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 12px 30px rgba(0, 51, 102, 0.15); }
.card-img {
  height: 200px;
  background-size: cover;
  background-position: center;
}
.card-body { padding: 24px; }
.card-body h3 { color: var(--primary); margin-bottom: 10px; font-size: 20px; }
.card-body p { color: var(--muted); font-size: 15px; }

/* ===== Why Choose Us ===== */
.why { background: var(--white); }
.feature {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px;
}
.feature-icon {
  flex-shrink: 0;
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 12px;
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
}
.feature h3 { color: var(--primary); margin-bottom: 6px; font-size: 18px; }
.feature p { color: var(--muted); font-size: 15px; }

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  text-align: center;
  padding: 60px 24px;
  border-radius: 14px;
  margin: 40px auto;
}
.cta-banner h2 { font-size: clamp(24px, 4vw, 34px); margin-bottom: 12px; }
.cta-banner p { font-size: 18px; margin-bottom: 24px; opacity: .95; }

/* ===== Page Header ===== */
.page-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
  padding: 70px 0 60px;
  text-align: center;
}
.page-header h1 { font-size: clamp(28px, 4.5vw, 42px); margin-bottom: 8px; }
.page-header p { opacity: .9; font-size: 17px; }

/* ===== Content Page ===== */
.content {
  background: var(--white);
  max-width: 900px;
  margin: 50px auto;
  padding: 50px;
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.content h2 {
  color: var(--primary);
  margin: 26px 0 12px;
  font-size: 22px;
  border-left: 4px solid var(--accent);
  padding-left: 12px;
}
.content h3 { color: var(--primary-dark); margin: 20px 0 8px; font-size: 18px; }
.content p { margin-bottom: 14px; color: var(--text); }
.content ul, .content ol { margin: 12px 0 16px 24px; }
.content li { margin-bottom: 8px; }
.content .last-updated {
  background: var(--bg);
  padding: 12px 16px;
  border-left: 4px solid var(--accent);
  border-radius: 4px;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 24px;
}
.content .alert {
  background: #fff8e1;
  border: 1px solid var(--gold);
  border-left: 4px solid var(--gold);
  padding: 16px 20px;
  border-radius: 6px;
  margin: 20px 0;
  font-size: 15px;
  color: #5d4400;
}

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.contact-info-box {
  background: var(--white);
  padding: 32px;
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.contact-info-box h3 { color: var(--primary); margin-bottom: 20px; }
.contact-row {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.contact-row:last-child { border-bottom: none; }
.contact-row .icon {
  width: 40px; height: 40px;
  background: var(--bg);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 18px;
  flex-shrink: 0;
}
.contact-row .label { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.contact-row .value { font-size: 16px; color: var(--text); font-weight: 600; }

.form-card {
  background: var(--white);
  padding: 32px;
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.form-card h3 { color: var(--primary); margin-bottom: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 15px;
  font-family: inherit;
  background: var(--white);
  transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 166, 192, 0.15);
}
.form-group textarea { min-height: 110px; resize: vertical; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 14px; }

/* ===== Footer ===== */
.footer {
  background: var(--primary-dark);
  color: #c4d4e0;
  padding: 60px 0 0;
  margin-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer h4 {
  color: var(--white);
  font-size: 16px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 8px; }
.footer a { color: #c4d4e0; font-size: 14px; }
.footer a:hover { color: var(--gold); }
.footer p { font-size: 14px; line-height: 1.7; }
.footer .footer-logo { color: var(--white); font-weight: 800; font-size: 22px; margin-bottom: 12px; }
.footer-disclaimer {
  background: rgba(0,0,0,0.25);
  padding: 24px 0;
  font-size: 13px;
  color: #a3b5c5;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-disclaimer strong { color: var(--gold); }
.footer-bottom {
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: #8b9eaf;
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* ===== Mobile ===== */
@media (max-width: 860px) {
  .menu-toggle { display: block; }
  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px 24px;
    gap: 14px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  }
  nav ul.open { display: flex; }
  .header { position: relative; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .content { padding: 28px 22px; margin: 24px 16px; }
  section { padding: 50px 0; }
}