:root {
  --ink: #10231f;
  --muted: #5d6c67;
  --river: #0e766d;
  --river-dark: #07544d;
  --leaf: #42a56b;
  --sun: #f3b653;
  --foam: #eef8f4;
  --mist: #f7faf8;
  --white: #ffffff;
  --line: rgba(16, 35, 31, 0.12);
  --shadow: 0 18px 55px rgba(8, 38, 35, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--ink);
  background: var(--mist);
}

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

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

button,
input {
  font: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 54px);
  color: var(--white);
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 30px rgba(8, 38, 35, 0.08);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 8px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  margin-top: 2px;
  color: currentColor;
  font-size: 12px;
  opacity: 0.78;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 700;
}

.main-nav a {
  opacity: 0.88;
}

.main-nav a:hover {
  opacity: 1;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  color: inherit;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 8px;
}

.hero {
  position: relative;
  display: grid;
  min-height: 92vh;
  overflow: hidden;
  color: var(--white);
}

.hero picture,
.hero img,
.hero-overlay {
  position: absolute;
  inset: 0;
  height: 100%;
}

.hero img {
  object-fit: cover;
  transform: scale(1.03);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(5, 26, 24, 0.78), rgba(5, 26, 24, 0.32) 58%, rgba(5, 26, 24, 0.1)),
    linear-gradient(0deg, rgba(5, 26, 24, 0.38), rgba(5, 26, 24, 0.05));
}

.hero-content {
  position: relative;
  z-index: 2;
  align-self: center;
  width: min(760px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 90px);
  padding-top: 74px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--river);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--sun);
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(46px, 8vw, 104px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero p:not(.eyebrow) {
  max-width: 570px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn svg,
.main-nav svg,
.quick-links svg,
.text-link svg,
.check-list svg,
.scroll-cue svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.btn.primary {
  color: var(--white);
  background: var(--river);
}

.btn.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.12);
}

.btn.light {
  color: var(--ink);
  background: var(--white);
}

.scroll-cue {
  position: absolute;
  right: clamp(18px, 4vw, 54px);
  bottom: 34px;
  z-index: 2;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  color: var(--white);
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.quick-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 78px;
  padding: 18px;
  border-right: 1px solid var(--line);
  color: var(--river-dark);
  font-weight: 800;
}

.quick-links a:last-child {
  border-right: 0;
}

.photo-story {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr 0.85fr;
  gap: 14px;
  padding: 14px;
  background: var(--white);
}

.photo-tile {
  position: relative;
  min-height: 320px;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: #dfeee9;
}

.photo-tile.large {
  min-height: 420px;
}

.photo-tile img {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease;
}

.photo-tile:hover img {
  transform: scale(1.035);
}

.photo-tile::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(0deg, rgba(5, 26, 24, 0.7), rgba(5, 26, 24, 0.04) 68%);
}

.photo-tile figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  z-index: 1;
  color: var(--white);
  font-weight: 700;
  line-height: 1.35;
}

.photo-tile figcaption span {
  display: block;
  margin-bottom: 4px;
  color: var(--sun);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section {
  padding: clamp(62px, 8vw, 112px) clamp(18px, 5vw, 72px);
}

.section-heading {
  max-width: 780px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-heading h2,
.split-copy h2 {
  margin: 0;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.02;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow),
.split-copy p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  max-width: 560px;
  margin: 0 auto;
}

.feature-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(8, 38, 35, 0.06);
}

.feature-card img {
  height: 240px;
  object-fit: cover;
  background: #dfeee9;
}

.feature-card div {
  padding: 22px;
}

.feature-card span {
  color: var(--leaf);
  font-size: 13px;
  font-weight: 800;
}

.feature-card h3 {
  margin: 8px 0 10px;
  font-size: 22px;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 1fr);
  gap: clamp(30px, 6vw, 80px);
  align-items: center;
  background: var(--foam);
}

.split-copy {
  max-width: 620px;
}

.check-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 26px 0;
  list-style: none;
}

.check-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--ink);
  font-weight: 700;
}

.check-list svg {
  color: var(--leaf);
  margin-top: 2px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--river-dark);
  font-weight: 800;
}

.image-stack {
  position: relative;
}

.image-main {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.floating-note {
  position: absolute;
  left: 22px;
  bottom: 22px;
  max-width: 240px;
  padding: 16px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 36px rgba(8, 38, 35, 0.18);
}

.floating-note strong,
.floating-note span {
  display: block;
}

.floating-note span {
  margin-top: 4px;
  color: var(--muted);
}

.culture {
  background: var(--mist);
}

.carousel-shell {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
}

.culture-carousel {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(280px, 36%);
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.culture-carousel::-webkit-scrollbar {
  display: none;
}

.culture-slide {
  position: relative;
  min-height: 360px;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: #10231f;
  box-shadow: 0 14px 34px rgba(8, 38, 35, 0.12);
  scroll-snap-align: start;
}

.culture-slide img {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: cover;
}

.culture-slide::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(0deg, rgba(5, 26, 24, 0.74), rgba(5, 26, 24, 0.02) 62%);
}

.culture-slide figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  z-index: 1;
  color: var(--white);
  font-size: 20px;
  font-weight: 800;
}

.carousel-control {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--river-dark);
  background: var(--white);
  box-shadow: 0 10px 26px rgba(8, 38, 35, 0.1);
  cursor: pointer;
}

.carousel-control svg {
  width: 20px;
  height: 20px;
}

.heritage {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(360px, 1.12fr);
  gap: clamp(30px, 6vw, 72px);
  align-items: center;
  background: var(--white);
}

.section-heading.left {
  margin: 0 0 24px;
  text-align: left;
}

.heritage-copy {
  max-width: 620px;
}

.heritage-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 26px 0;
}

.heritage-points div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--mist);
}

.heritage-points strong,
.heritage-points span {
  display: block;
}

.heritage-points strong {
  color: var(--river-dark);
  font-size: 18px;
}

.heritage-points span {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.5;
}

.heritage-media {
  display: grid;
  gap: 14px;
}

.video-panel {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.video-panel {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0b1f1c;
}

.video-panel iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: var(--white);
}

.site-footer p {
  margin: 6px 0 0;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  color: var(--river-dark);
  font-weight: 800;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: grid;
  }

  .main-nav {
    position: absolute;
    top: 70px;
    right: 18px;
    left: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    color: var(--ink);
    box-shadow: var(--shadow);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 16px;
    border-bottom: 1px solid var(--line);
  }

  .main-nav a:last-child {
    border-bottom: 0;
  }

  .quick-links,
  .photo-story,
  .feature-grid,
  .split,
  .heritage {
    grid-template-columns: 1fr;
  }

  .quick-links a {
    justify-content: flex-start;
    min-height: 62px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .photo-story {
    padding: 10px;
  }

  .photo-tile,
  .photo-tile.large {
    min-height: 260px;
  }

  .carousel-shell {
    grid-template-columns: 1fr;
  }

  .culture-carousel {
    grid-auto-columns: minmax(260px, 82%);
  }

  .carousel-control {
    display: none;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-overlay {
    background: linear-gradient(0deg, rgba(5, 26, 24, 0.78), rgba(5, 26, 24, 0.28));
  }

  .hero-content {
    align-self: end;
    margin: 0;
    padding: 0 18px 92px;
    width: 100%;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .brand small {
    display: none;
  }

  .hero-actions,
  .heritage-points {
    display: grid;
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .feature-card img {
    height: 210px;
  }

  .floating-note {
    position: static;
    margin-top: 12px;
  }
}