:root {
  --primary: #0f766e;
  --primary-dark: #115e59;
  --accent: #f97316;
  --bg: #f9fafb;
  --text: #0f172a;
  --muted: #6b7280;
  --white: #ffffff;
  --radius-xl: 18px;
  --shadow-soft: 0 10px 30px rgba(15,23,42,0.08);
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(249,250,251,0.9);
  border-bottom: 1px solid rgba(148,163,184,0.2);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo span:first-child {
  text-transform: uppercase;
}

.logo span:last-child {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
}

.nav-links a {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  transition: background 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(15,118,110,0.08);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(148,163,184,0.6);
  color: var(--text);
}

.btn-outline:hover {
  background: rgba(148,163,184,0.08);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

/* HERO (home only) */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
  padding: 2rem 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(15,118,110,0.08);
  font-size: 0.75rem;
  color: var(--primary-dark);
  margin-bottom: 0.75rem;
}

.badge span {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
}

.hero h1 {
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
  max-width: 32rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.2rem;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.hero-highlights span::before {
  content: "✔";
  margin-right: 0.35rem;
  font-size: 0.75rem;
}

.hero-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148,163,184,0.35);
  font-size: 0.85rem;
}

.hero-card h3 {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.hero-stats {
  display: flex;
  gap: 1rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.hero-stat span {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
}

.hero-stat strong {
  font-size: 1rem;
}

/* Sections */
section {
  margin-top: 2.5rem;
}

section h2 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.lead {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
  max-width: 40rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 1rem;
  border: 1px solid rgba(148,163,184,0.35);
  box-shadow: 0 4px 12px rgba(15,23,42,0.02);
  font-size: 0.88rem;
}

.card h3 {
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

.card small {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

ul {
  padding-left: 1.1rem;
  font-size: 0.87rem;
}

ul li {
  margin-bottom: 0.2rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: flex-start;
}

.contact-details p {
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.contact-form label {
  display: block;
  font-size: 0.8rem;
  margin-bottom: 0.15rem;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border-radius: 10px;
  border: 1px solid rgba(148,163,184,0.8);
  font-size: 0.85rem;
  margin-bottom: 0.6rem;
  font-family: inherit;
}

.contact-form textarea {
  min-height: 90px;
  resize: vertical;
}

footer {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(148,163,184,0.35);
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-2.tour-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.tour-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(148,163,184,0.35);
  box-shadow: 0 4px 12px rgba(15,23,42,0.03);
  overflow: hidden;
  font-size: 0.88rem;
  display: flex;
  flex-direction: column;
}

.tour-card-header {
  padding: 0.75rem 1rem 0.4rem;
}

.tour-card-header h3 {
  font-size: 0.95rem;
  margin-bottom: 0.1rem;
}

.tour-tag {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  background: rgba(15,118,110,0.06);
  color: var(--primary-dark);
  margin-top: 0.2rem;
}

.tour-card-body {
  padding: 0 1rem 0.8rem;
}

.tour-meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.tour-card ul {
  padding-left: 1rem;
  font-size: 0.82rem;
}

.tour-cta {
  margin-top: 0.6rem;
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.tour-cta .btn {
  font-size: 0.8rem;
  padding: 0.4rem 0.8rem;
}

/* Responsive for tours */
@media (max-width: 900px) {
  .tour-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .tour-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}
    grid-template-columns: minmax(0, 1fr);
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .nav {
    flex-wrap: wrap;
  }

  .nav-links {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  main {
    padding-inline: 0.85rem;
  }

  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}