/* ============================================================
   GIS for Wildlife — Shared Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=Ovo&family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300;1,400&display=swap');

/* --- Tokens --- */
:root {
  --navy:      #0d1b2a;
  --navy-mid:  #1a3048;
  --ocean:     oklch(62% 0.13 218);
  --ocean-lt:  oklch(78% 0.10 210);
  --white:     #f8fafc;
  --off-white: #eef3f7;
  --text:      #111820;
  --text-sub:  #3a5068;
  --radius:    14px;
  --nav-h:     78px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Lato', Helvetica, sans-serif;
  background: var(--white);
  color: var(--text);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

/* --- Navigation --- */
.nav-logo-wrap { display: flex; align-items: flex-end; padding-left: 50px; padding-bottom: 0; }
.nav-spacer { min-width: 200px; }
.nav-links-center {
  position: absolute;
  left: 75%;
  top: 30px;
  transform: translateX(-50%);
}
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}
nav.scrolled {
  background: rgba(255,255,255,0.40);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(13,27,42,0.08);
  box-shadow: 0 2px 20px rgba(13,27,42,0.08);
}
.nav-logo {
  height: 122px;
  width: auto;
  transition: height 0.2s ease;
  margin-bottom: -42px;
  margin-left: 30px;
}
.nav-links {
  display: flex;
  gap: 36px;
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
}
.nav-links li {
  list-style: none !important;
  display: flex !important;
  align-items: center;
  padding: 0 !important;
  margin: 0 !important;
}
.nav-links a {
  font-family: 'Ovo', Georgia, serif;
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: none;
  color: rgba(255,255,255,0.92);
  position: relative;
  display: inline-block;
  padding-bottom: 4px;
  transition: color 0.3s;
}
  /* font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: none;
  color: rgba(255,255,255,0.92);
  position: relative;
  padding-bottom: 4px;
  transition: color 0.3s;
} */
nav.scrolled .nav-links a {
  color: var(--navy-mid);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--ocean-lt);
  border-radius: 2px;
  transition: width 0.25s ease;
  white-space: nowrap;
}
nav.scrolled .nav-links a::after {
  background: var(--ocean-lt);
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a:hover { color: var(--ocean-lt); }
nav.scrolled .nav-links a:hover { color: var(--ocean); }
.nav-links a.active { color: var(--ocean-lt); }
nav.scrolled .nav-links a.active { color: var(--ocean); }

/* --- Hero Banner --- */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transform: scale(1.08);
  transition: transform 0.1s linear;
  filter: brightness(0.82) saturate(1.1);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(13,27,42,0.08) 0%,
    rgba(13,27,42,0.12) 50%,
    rgba(13,27,42,0.55) 100%
  );
}
.hero-caption {
  position: absolute;
  bottom: 64px;
  left: 0; right: 0;
  text-align: center;
  padding: 0 24px;
  color: #fff;
  animation: fadeUp 1s ease 0.3s both;
}
.hero-caption h1 {
  font-family: var(--photo-font, 'Ovo'), Georgia, serif;
  font-size: clamp(1.7rem, 3.2vw, 2.8rem);
  font-weight: 400;
  line-height: 1.22;
  letter-spacing: 0.01em;
  text-shadow: 0 2px 24px rgba(0,0,0,0.35);
  margin-bottom: 14px;
}
.hero-caption p {
  font-family: 'Lato', sans-serif;
  font-size: clamp(0.85rem, 1.3vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  opacity: 0.9;
  max-width: 480px;
  margin: 0 auto;
  text-shadow: 0 1px 8px rgba(0,0,0,0.4);
}
/* Lower position variants */
.hero-caption-low {
  bottom: 36px;
}
.hero-caption-lower {
  bottom: 28px;
}
.hero-caption-lower h1 {
  margin-bottom: 10px;
}
.hero-caption-lower p {
  max-width: 400px;
}
.hero-scroll-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.6);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite 1.5s;
}
.hero-scroll-hint span {
  width: 1px;
  height: 38px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
}

/* --- Section generic --- */
section {
  padding: 96px 48px;
}
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

/* --- Text sections --- */
.text-section {
  background: var(--white);
}
.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ocean);
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.9rem, 3.5vw, 3rem);
  font-weight: 600;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 24px;
}
.section-body {
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--text-sub);
  max-width: 640px;
  font-weight: 300;
}

/* --- Full-bleed image section --- */
.img-section {
  position: relative;
  width: 100%;
  height: 85vh;
  min-height: 540px;
  overflow: hidden;
}
.img-section img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transform: scale(1.06);
  transition: transform 0.1s linear;
  filter: brightness(0.80) saturate(1.1);
}
.img-section-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 48px 64px;
  background: linear-gradient(to top, rgba(13,27,42,0.72) 0%, transparent 100%);
  color: #fff;
}
.img-section-caption h2 {
  font-family: var(--photo-font, 'Ovo'), Georgia, serif;
  font-size: clamp(1.7rem, 3.2vw, 2.8rem);
  font-weight: 400;
  line-height: 1.22;
  margin-bottom: 14px;
  text-shadow: 0 2px 24px rgba(0,0,0,0.35);
  letter-spacing: 0.01em;
}
.img-section-caption p {
  font-family: 'Lato', sans-serif;
  font-size: clamp(0.85rem, 1.3vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  opacity: 0.9;
  max-width: 480px;
  text-shadow: 0 1px 8px rgba(0,0,0,0.4);
}

/* --- Split layout (text + image) --- */
.split-section {
  background: var(--white);
  padding: 96px 48px;
}
.split-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.split-inner.reverse { direction: rtl; }
.split-inner.reverse > * { direction: ltr; }
.split-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(13,27,42,0.14);
}
.split-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  min-height: 360px;
  transition: transform 0.5s ease;
}
.split-image:hover img { transform: scale(1.03); }

/* --- Blue band --- */
.band-section {
  background: var(--navy);
  color: #fff;
  padding: 80px 48px;
  text-align: center;
}
.band-section .section-title { color: #fff; }
.band-section .section-body { color: rgba(255,255,255,0.72); max-width: 700px; margin: 0 auto 32px; }

/* --- Button --- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 40px;
  font-family: 'Lato', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.22s ease;
}
.btn-ocean {
  background: var(--ocean);
  color: #fff;
  border: 2px solid transparent;
}
.btn-ocean:hover {
  background: transparent;
  border-color: var(--ocean);
  color: var(--ocean);
}
.btn-white {
  background: #fff;
  color: var(--navy);
  border: 2px solid transparent;
}
.btn-white:hover {
  background: transparent;
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}
.btn-outline-navy {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline-navy:hover {
  background: var(--navy);
  color: #fff;
}

/* --- Tags / Chips --- */
.chip {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.chip-ocean { background: oklch(94% 0.05 210); color: var(--ocean); }

/* --- Data images grid --- */
.data-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.data-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(13,27,42,0.12);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.data-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(13,27,42,0.18);
}
.data-card img {
  width: 100%;
  display: block;
}
.data-card-label {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(13,27,42,0.72);
  color: #fff;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* --- Scroll-in animations --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* --- Footer --- */
footer {
  background: var(--navy);
  color: rgba(255,255,255,0.55);
  padding: 48px;
  text-align: center;
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 2;
}
footer strong {
  color: rgba(255,255,255,0.85);
  font-weight: 700;
}
footer a {
  color: var(--ocean-lt);
  transition: color 0.2s;
}
footer a:hover { color: #fff; }

/* --- Divider line --- */
.divider {
  width: 56px; height: 3px;
  background: var(--ocean);
  border-radius: 2px;
  margin-bottom: 28px;
}

/* --- Stat row --- */
.stat-row {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
  margin-top: 48px;
}

.stat-num {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.6rem;
  color: var(--ocean);
  font-weight: 600;
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-sub);
  margin-top: 6px;
}
.open-data-tag-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(13,27,42,0.14);
  position: relative;
}

.open-data-tag-img img {
  width: 100%;
  display: block;
  transition: transform 0.5s ease;
}

.open-data-tag-img:hover img { transform: scale(1.03); }

.open-data-tag-img figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px 16px;
  background: linear-gradient(to top, rgba(13,27,42,0.65), transparent);
  color: rgba(255,255,255,0.85);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  /* text-transform: uppercase; */
}

/* --- Keyframes --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* --- Responsive --- */
@media (max-width: 860px) {
  section, .split-section { padding: 64px 24px; }
  .split-inner { grid-template-columns: 1fr; gap: 40px; }
  .split-inner.reverse { direction: ltr; }
  .data-grid { grid-template-columns: 1fr; }
  .stat-row { gap: 36px; }
  .img-section-caption { padding: 32px 24px; }
  footer { padding: 36px 24px; }
}

/* --- Hamburger button (hidden on desktop) --- */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 8px;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,0.92);
  border-radius: 2px;
  transition: transform 0.28s ease, opacity 0.28s ease, width 0.28s ease;
  transform-origin: center;
}
nav.scrolled .nav-hamburger span { background: var(--navy-mid); }
.nav-hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.is-open span:nth-child(2) { opacity: 0; width: 0; }
.nav-hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Mobile: 768px --- */
@media (max-width: 768px) {
  :root { --nav-h: 60px; }

  nav {
    padding: 0 16px;
    height: 60px;
    background: rgba(255,255,255,0.40);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(13,27,42,0.08);
    box-shadow: 0 2px 20px rgba(13,27,42,0.08);
  }

  .nav-logo-wrap { padding-left: 0; align-items: center; position: relative; z-index: 100; }

  .nav-logo { height: 100px !important;
              margin-top: -5px !important;
              /* margin-right: 5px !important; */
              margin-left: 5px !important;
            }

  .nav-hamburger { display: flex;
                margin-right: 5px !important;
                margin-top: 15px !important; }
  .nav-hamburger span { background: var(--navy-mid); }
  .nav-spacer { display: none; }

  .nav-links-center {
    position: fixed !important;
    top: 60px !important;
    left: auto !important;
    right: 0 !important;
    transform: none !important;
    width: 100% !important;
    z-index: 99;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height 0.35s ease, opacity 0.25s ease;
    background: rgba(255,255,255,0.40);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(13,27,42,0.08);
    box-shadow: 0 4px 20px rgba(13,27,42,0.08);
    display: flex !important;
    flex-direction: column !important;
    gap: 0 !important;
    padding: 0 !important;
  }
  nav.nav-open .nav-links-center {
    max-height: 110px;
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links-center li {
    display: block !important;
    width: 100%;
    border-bottom: 1px solid rgba(13,27,42,0.08);
    transition: background 0.18s;
  }
  .nav-links-center li:last-child { border-bottom: none; }
  .nav-links-center li:hover { background: rgba(13,27,42,0.06); }
  .nav-links-center li a {
    display: block !important;
    width: 100% !important;
    padding: 11px 20px !important;
    font-size: 15px !important;
    font-weight: 700 !important;
    text-align: center !important;
    color: var(--navy-mid) !important;
    font-family: 'Ovo', Georgia, serif !important;
    letter-spacing: 0.04em;
    background: transparent !important;
  }
  .nav-links-center li a.active { color: var(--ocean) !important; }
  .nav-links-center li a:hover { color: var(--navy) !important; }
  .nav-links-center li a::after { display: none !important; }

  section, .split-section { padding: 48px 20px; }
  .band-section { padding: 56px 20px; }

  .img-section { height: 100vh; min-height: 0; }

  .split-image {
    margin-left: -20px;
    margin-right: -20px;
    border-radius: 0;
    box-shadow: none;
  }

  .hero { height: 85vh; min-height: 420px; }
  .hero-img { transform: none !important; }
  .img-section img { transform: none !important; }
  .hero-caption { bottom: 32px; padding: 0 20px; }

  .stat-row { gap: 24px; }

  footer { padding: 28px 20px 36px !important; }

  .closing-section { height: 55vh !important; min-height: 300px !important; }
  .partners { padding: 24px 16px !important; gap: 8px !important; }

  .open-data, .seasonal-intro, .season-grid-section, .capability-band {
    padding: 48px 20px !important;
  }
}