/* Nata Bird Sanctuary – multi-page site
   Inspired by Botswana Tourism Organisation aesthetic */

:root {
  --teal-950: #0a3d5c;
  --teal-900: #0c4a6e;
  --teal-800: #075985;
  --teal-700: #0369a1;
  --sky-500: #0ea5e9;
  --sky-400: #38bdf8;
  --sky-300: #7dd3fc;
  --sand-50: #f8fafc;
  --sand-100: #f1f5f9;
  --ink-900: #0f172a;
  --ink-700: #334155;
  --ink-500: #64748b;
  --white: #ffffff;
  --radius: 10px;
  --shadow: 0 8px 30px rgba(12, 74, 110, 0.1);
  --shadow-lg: 0 20px 50px rgba(12, 74, 110, 0.16);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;
  color: var(--ink-900);
  background: var(--sand-50);
  line-height: 1.65;
  font-size: 16px;
}
h1, h2, h3, h4 {
  font-family: Georgia, 'Times New Roman', serif;
  line-height: 1.25;
  color: var(--teal-950);
  font-weight: 600;
}
p { margin-bottom: 1rem; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ========== HEADER ========== */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 61, 92, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  max-width: 1140px;
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
}
.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.35);
}
.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.brand-text strong {
  display: block;
  font-family: Georgia, serif;
  font-size: 1rem;
  letter-spacing: 0.2px;
}
.brand-text span {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  color: var(--sky-300);
  margin-top: 1px;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 26px;
  align-items: center;
}
nav a {
  color: rgba(255,255,255,0.9);
  font-size: 0.88rem;
  font-weight: 600;
  transition: color 0.15s;
}
nav a:hover,
nav a.active { color: var(--sky-300); }
.btn {
  display: inline-block;
  padding: 11px 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.2px;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s;
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, #ffffff, #e0f2fe);
  color: var(--teal-900);
  box-shadow: 0 6px 18px rgba(0,0,0,0.18);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.55);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--teal-900);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--teal-800);
  transform: translateY(-2px);
}
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
}
.burger span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
}
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--teal-950);
  padding: 8px 24px 18px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.mobile-nav a {
  color: rgba(255,255,255,0.9);
  font-weight: 600;
  padding: 11px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.95rem;
}
.mobile-nav.open { display: flex; }

/* ========== HERO (Home) ========== */
.hero-full {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  color: var(--white);
  background:
    linear-gradient(105deg, rgba(10,61,92,0.50) 0%, rgba(12,74,110,0.25) 50%, rgba(10,61,92,0.15) 100%),
    url('images/hero-pelicans.jpg') center/cover no-repeat;
  overflow: hidden;
}
.hero-full::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,61,92,0.45) 0%, transparent 55%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  max-width: 1140px;
  margin: 0 auto;
  padding: 110px 24px 90px;
  width: 100%;
  z-index: 2;
}
.hero-content .tagline {
  font-size: 0.78rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--sky-300);
  font-weight: 700;
  margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.55);
}
.hero-content h1 {
  color: var(--white);
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  max-width: 620px;
  margin-bottom: 18px;
  text-shadow: 0 3px 20px rgba(0,0,0,0.55);
}
.hero-content .lead {
  font-size: 1.18rem;
  color: rgba(255,255,255,0.95);
  max-width: 520px;
  margin-bottom: 32px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Page hero (inner pages) with photo backgrounds */
.page-hero {
  position: relative;
  color: var(--white);
  padding: 110px 0 80px;
  text-align: center;
  background:
    linear-gradient(160deg, rgba(10,61,92,0.52), rgba(7,89,133,0.38)),
    url('images/cranes.jpg') center/cover no-repeat;
  overflow: hidden;
}
.page-hero.hero-about {
  background:
    linear-gradient(160deg, rgba(10,61,92,0.50), rgba(7,89,133,0.35)),
    url('images/gate-entrance.jpg') center/cover no-repeat;
}
.page-hero.hero-wildlife {
  background:
    linear-gradient(160deg, rgba(10,61,92,0.48), rgba(7,89,133,0.32)),
    url('images/flamingo-sunset.jpg') center/cover no-repeat;
}
.page-hero.hero-visit {
  background:
    linear-gradient(160deg, rgba(10,61,92,0.50), rgba(7,89,133,0.35)),
    url('images/wildebeest.jpg') center/cover no-repeat;
}
.page-hero.hero-stay {
  background:
    linear-gradient(160deg, rgba(10,61,92,0.50), rgba(7,89,133,0.35)),
    url('images/chalet-rondavel.jpg') center/cover no-repeat;
}
.page-hero.hero-community {
  background:
    linear-gradient(160deg, rgba(10,61,92,0.50), rgba(7,89,133,0.35)),
    url('images/gate-entrance.jpg') center/cover no-repeat;
}
.page-hero.hero-contact {
  background:
    linear-gradient(160deg, rgba(10,61,92,0.50), rgba(7,89,133,0.35)),
    url('images/birds-sunset.jpg') center/cover no-repeat;
}
.page-hero .tagline {
  font-size: 0.75rem;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  color: var(--sky-300);
  font-weight: 700;
  margin-bottom: 12px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.55);
}
.page-hero h1 {
  color: var(--white);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin-bottom: 12px;
  text-shadow: 0 3px 18px rgba(0,0,0,0.55);
}
.page-hero p {
  color: rgba(255,255,255,0.95);
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.05rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

/* Photo feature cards */
.feature-card .visual {
  height: 200px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-card .visual.img-wildlife {
  background-image: linear-gradient(rgba(10,61,92,0.35), rgba(10,61,92,0.35)),
    url('images/flamingo-sunset.jpg');
}
.feature-card .visual.img-visit {
  background-image: linear-gradient(rgba(10,61,92,0.35), rgba(10,61,92,0.35)),
    url('images/game-drive.jpg');
}
.feature-card .visual.img-stay {
  background-image: linear-gradient(rgba(10,61,92,0.35), rgba(10,61,92,0.35)),
    url('images/tents-camp.jpg');
}
.feature-card .visual svg {
  width: 52px;
  height: 52px;
  stroke: #fff;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4));
}

/* Inline content images */
.content-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: 24px;
}
.content-img img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  object-position: center;
  display: block;
}
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 32px;
}
.photo-grid img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}
.photo-grid img:hover {
  transform: scale(1.02);
}
@media (max-width: 700px) {
  .photo-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .photo-grid { grid-template-columns: 1fr; }
}

/* ========== SECTIONS ========== */
section { padding: 80px 0; }
.section-head {
  max-width: 620px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(1.65rem, 3vw, 2.1rem);
  margin-bottom: 12px;
}
.section-head p { color: var(--ink-500); font-size: 1.05rem; }

/* Home feature cards (Explore / Experience / Stay style) */
.feature-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.feature-card .visual {
  height: 200px;
  background: linear-gradient(135deg, var(--teal-800), var(--teal-950));
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-card .visual svg {
  width: 52px;
  height: 52px;
  stroke: #fff;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4));
}
.feature-card .body {
  padding: 26px 24px 28px;
}
.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}
.feature-card p {
  color: var(--ink-500);
  font-size: 0.95rem;
  margin-bottom: 18px;
}
.feature-card .link {
  font-weight: 700;
  color: var(--teal-800);
  font-size: 0.9rem;
}
.feature-card .link:hover { color: var(--sky-500); }

/* Stats bar */
.stats-bar {
  background: var(--teal-950);
  color: var(--white);
  padding: 40px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stats-grid .num {
  font-family: Georgia, serif;
  font-size: 2.1rem;
  color: var(--sky-300);
  font-weight: 700;
}
.stats-grid .label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

/* Content grids */
.two-col {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 52px;
  align-items: start;
}
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.timeline {
  border-left: 2px solid var(--sky-400);
  padding-left: 22px;
}
.timeline-item {
  position: relative;
  padding-bottom: 20px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--sky-500);
  border: 3px solid var(--sand-50);
}
.timeline-item .yr {
  font-weight: 700;
  color: var(--teal-800);
  font-size: 0.9rem;
}
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 24px;
}
.pill {
  background: var(--sand-100);
  border: 1px solid rgba(12,74,110,0.1);
  color: var(--teal-900);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
}
.check-list {
  list-style: none;
  display: grid;
  gap: 14px;
}
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.95rem;
}
.check-list svg {
  width: 20px;
  height: 20px;
  stroke: var(--sky-500);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Wildlife cards */
.wildlife-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.wcard {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s, background 0.2s;
}
.wcard:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.1);
}
.icon-box {
  width: 48px;
  height: 48px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--sky-300), var(--sky-500));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.icon-box svg {
  width: 22px;
  height: 22px;
  stroke: var(--teal-950);
}
.dark-section {
  background: var(--teal-950);
  color: var(--white);
}
.dark-section .section-head h2 { color: var(--white); }
.dark-section .section-head p { color: rgba(255,255,255,0.7); }
.dark-section h3 { color: var(--white); }
.dark-section p { color: rgba(255,255,255,0.72); }

/* Approach / 4 cards */
.four-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.four-grid .card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.four-grid .card p { font-size: 0.92rem; color: var(--ink-500); margin: 0; }

/* Fees table */
table.fees {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
table.fees th, table.fees td {
  padding: 13px 18px;
  text-align: left;
  font-size: 0.93rem;
}
table.fees thead tr { background: var(--teal-950); color: var(--white); }
table.fees tbody tr:nth-child(even) { background: var(--sand-50); }
table.fees td.amt {
  font-weight: 700;
  color: var(--teal-800);
  text-align: right;
}
.note {
  background: var(--white);
  border-left: 4px solid var(--sky-500);
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 0.9rem;
  color: var(--ink-500);
  margin-top: 16px;
}

/* Stay cards */
.stay-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.rate-list {
  list-style: none;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--sand-100);
  display: grid;
  gap: 10px;
}
.rate-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-size: 0.92rem;
}
.rate-list li span { color: var(--ink-500); }
.rate-list li strong { color: var(--teal-800); white-space: nowrap; }
.rate-list li strong em {
  color: var(--ink-500);
  font-style: normal;
  font-weight: 400;
  font-size: 0.85em;
}

/* Contact grid */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.ccard {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 16px;
  text-align: center;
}
.ccard .icon-box { margin: 0 auto 14px; }
.ccard h3 { font-size: 1rem; margin-bottom: 6px; }
.ccard p { margin: 0 0 4px; font-size: 0.9rem; }
.ccard a { color: var(--teal-800); font-weight: 700; }
.ccard a:hover { text-decoration: underline; }
.ccard .note-text {
  color: var(--ink-500);
  font-size: 0.8rem;
  font-weight: 400;
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--teal-900), var(--teal-700));
  color: var(--white);
  text-align: center;
  border-radius: 16px;
  padding: 56px 32px;
  margin: 0 24px 80px;
}
.cta-band h2 { color: var(--white); margin-bottom: 12px; }
.cta-band p {
  color: rgba(255,255,255,0.85);
  max-width: 500px;
  margin: 0 auto 24px;
}
.cta-band .hero-actions { justify-content: center; }

/* Footer */
footer {
  background: var(--teal-950);
  color: rgba(255,255,255,0.72);
  padding: 60px 0 26px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 44px;
  margin-bottom: 44px;
}
.footer-grid h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 14px;
}
.footer-grid p, .footer-grid a, .footer-grid li {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.62);
}
.footer-grid ul { list-style: none; display: grid; gap: 8px; }
.footer-grid a:hover { color: var(--sky-300); }
.foot-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.foot-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.42);
}

/* Responsive */
@media (max-width: 960px) {
  nav { display: none; }
  header .btn-primary { display: none; }
  .burger { display: flex; }
  .feature-row, .wildlife-grid, .stay-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .four-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .photo-grid { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .hero-content { text-align: center; padding: 90px 24px 70px; }
  .hero-content h1, .hero-content .lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
}
@media (max-width: 560px) {
  .four-grid, .contact-grid, .stats-grid { grid-template-columns: 1fr; }
}