:root {
  --ink: #10201f;
  --deep: #022f31;
  --water: #0b4b50;
  --reed: #b89b62;
  --mist: #f5f3ee;
  --paper: #fffdf8;
  --line: #ded8cc;
  --muted: #61706e;
  --shadow: 0 24px 70px rgba(9, 35, 34, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 22px clamp(20px, 5vw, 72px);
  color: white;
  transition: background 180ms ease, box-shadow 180ms ease, padding 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  padding-block: 14px;
  background: rgba(2, 47, 49, 0.94);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 206px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  color: var(--reed);
}

.brand-mark svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.2;
}

.brand strong {
  display: block;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 28px;
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
}

.brand small {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 2.8vw, 40px);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav a {
  opacity: 0.9;
}

.site-nav a:hover {
  opacity: 1;
  color: #ead6a7;
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-cta {
  padding: 0 24px;
  background: #022f31;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: white;
}

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

.hero img {
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(0, 27, 28, 0.88) 0%, rgba(0, 27, 28, 0.56) 36%, rgba(0, 27, 28, 0.12) 68%),
    linear-gradient(0deg, rgba(2, 47, 49, 0.42), rgba(2, 47, 49, 0.06));
}

.hero-content {
  position: relative;
  width: min(720px, calc(100% - 40px));
  margin-left: clamp(20px, 6vw, 96px);
  padding-top: 80px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--reed);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  max-width: 620px;
  font-size: clamp(54px, 7vw, 104px);
  line-height: 0.98;
}

h2 {
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.08;
}

h3 {
  font-size: 27px;
  line-height: 1.12;
}

.hero-copy {
  max-width: 480px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  min-width: 190px;
  padding: 0 24px;
  border: 1px solid currentColor;
}

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

.btn-ghost {
  color: white;
  background: rgba(255, 255, 255, 0.04);
}

.btn.dark {
  color: var(--deep);
  background: transparent;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--deep);
  color: white;
}

.trust-strip article {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 4px 18px;
  align-items: center;
  padding: 30px clamp(20px, 5vw, 72px);
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.trust-strip article:last-child {
  border-right: 0;
}

.icon {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(184, 155, 98, 0.75);
  border-radius: 999px;
  color: #ead6a7;
  font-weight: 800;
}

.trust-strip strong {
  font-size: 16px;
}

.trust-strip p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.45;
}

.section {
  padding: clamp(58px, 8vw, 112px) clamp(20px, 6vw, 96px);
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 1fr);
  gap: clamp(40px, 8vw, 110px);
  align-items: center;
  background: var(--mist);
}

.bike-visual {
  display: grid;
  place-items: center;
}

.bike-visual img {
  width: min(680px, 100%);
  filter: drop-shadow(0 24px 32px rgba(16, 32, 31, 0.14));
}

.section-copy p,
.section-heading p,
.booking-card p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.section-copy > p {
  max-width: 660px;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 30px 0;
}

.spec-grid div,
.practical-grid article {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.56);
}

dt {
  color: var(--reed);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

dd {
  margin: 8px 0 0;
  font-weight: 700;
}

.routes {
  background: var(--paper);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(280px, 520px);
  gap: clamp(24px, 8vw, 100px);
  align-items: end;
  margin-bottom: 34px;
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.route-card {
  position: relative;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  border-radius: 6px;
  color: white;
  overflow: hidden;
  background: var(--deep);
  box-shadow: var(--shadow);
}

.route-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(2, 47, 49, 0.04), rgba(2, 47, 49, 0.9));
  z-index: 1;
}

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

.route-card > span,
.route-card > div {
  position: relative;
  z-index: 2;
}

.route-card span {
  align-self: flex-start;
  margin-bottom: auto;
  padding: 8px 11px;
  border-radius: 4px;
  background: var(--deep);
  color: #ead6a7;
  font-size: 12px;
  font-weight: 900;
}

.route-card p {
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.55;
}

.route-card em {
  display: inline-flex;
  margin-top: 4px;
  color: #ead6a7;
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.route-card:hover {
  transform: translateY(-3px);
}

.route-card:hover img {
  transform: scale(1.04);
}

.info-band {
  display: grid;
  grid-template-columns: minmax(240px, 360px) 1fr;
  gap: clamp(28px, 7vw, 90px);
  background: #eef3ef;
  border-block: 1px solid #d9e2db;
}

.practical-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.practical-grid strong {
  font-size: 18px;
}

.practical-grid p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.route-detail {
  background: #f9f7f1;
}

.route-feature-image {
  margin-bottom: clamp(28px, 5vw, 52px);
  overflow: hidden;
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.route-feature-image img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.route-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.route-detail-grid article {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px;
  background: white;
}

.route-detail-grid strong {
  display: block;
  color: var(--reed);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.route-detail-grid p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.route-note {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  margin-top: 18px;
  border-left: 4px solid var(--reed);
  padding: 18px 22px;
  background: rgba(184, 155, 98, 0.1);
}

.route-note p {
  max-width: 780px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.route-links {
  display: grid;
  gap: 10px;
  min-width: min(280px, 100%);
}

.partners {
  background: var(--paper);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.partner-item {
  display: grid;
  gap: 10px;
  min-height: 150px;
  align-content: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 24px;
  background: #fbfaf6;
}

.partner-item strong {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 25px;
  line-height: 1.15;
}

.partner-item span {
  color: var(--muted);
  line-height: 1.55;
}

a.partner-item:hover {
  border-color: var(--reed);
  box-shadow: 0 18px 45px rgba(9, 35, 34, 0.1);
  transform: translateY(-2px);
}

.about {
  min-height: 520px;
  display: grid;
  align-items: center;
  color: white;
  background:
    linear-gradient(90deg, rgba(2, 47, 49, 0.9), rgba(2, 47, 49, 0.34)),
    url("assets/hero-oudegawater-ebike.png") center / cover;
}

.about .section-copy p {
  color: rgba(255, 255, 255, 0.86);
}

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

.booking-card {
  width: min(900px, 100%);
  margin: 0 auto;
  text-align: center;
}

.availability-calendar {
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  box-shadow: 0 18px 48px rgba(9, 35, 34, 0.08);
}

.booking-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
  text-align: left;
}

.booking-steps article {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.7);
}

.booking-steps strong {
  display: block;
  color: var(--deep);
  font-size: 15px;
}

.booking-steps span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.55;
}

.availability-calendar iframe {
  display: block;
  width: 100%;
  height: 520px;
  border: 0;
}

.booking-note {
  margin-top: 18px;
  font-weight: 700;
}

.booking-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
  text-align: left;
}

.booking-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.booking-form input,
.booking-form select,
.booking-form textarea {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  color: var(--ink);
  font: inherit;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  padding: 0 14px;
  outline: none;
}

.booking-form textarea {
  min-height: 112px;
  padding-top: 14px;
  resize: vertical;
}

.booking-form input:focus,
.booking-form select:focus,
.booking-form textarea:focus {
  border-color: var(--water);
  box-shadow: 0 0 0 3px rgba(11, 75, 80, 0.14);
}

.form-wide {
  grid-column: 1 / -1;
}

.booking-form button {
  justify-self: center;
  width: min(360px, 100%);
  border: 0;
  cursor: pointer;
}

.contact-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.text-link {
  color: var(--water);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.booking-card small {
  display: block;
  margin-top: 18px;
  color: var(--muted);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 6vw, 96px);
  background: var(--deep);
  color: rgba(255, 255, 255, 0.78);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .nav-toggle {
    display: block;
  }

  .header-cta {
    display: none;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 8px 20px 22px;
    background: rgba(2, 47, 49, 0.96);
  }

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

  .site-nav a {
    padding: 16px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .hero {
    min-height: 700px;
  }

  .trust-strip,
  .split,
  .section-heading,
  .route-grid,
  .info-band,
  .route-detail-grid,
  .booking-steps,
  .partner-grid {
    grid-template-columns: 1fr;
  }

  .route-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .route-feature-image img {
    aspect-ratio: 4 / 3;
  }

  .trust-strip article {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }
}

@media (max-width: 640px) {
  .brand strong {
    font-size: 22px;
  }

  .brand small {
    font-size: 10px;
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .hero {
    min-height: 680px;
    align-items: end;
    padding-bottom: 46px;
  }

  .hero img {
    object-position: 67% center;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(0, 28, 29, 0.94) 0%, rgba(0, 28, 29, 0.7) 38%, rgba(0, 28, 29, 0.08) 82%),
      linear-gradient(90deg, rgba(0, 28, 29, 0.52), rgba(0, 28, 29, 0.04));
  }

  .hero-content {
    margin: 0 auto;
    padding-top: 120px;
  }

  h1 {
    font-size: clamp(46px, 14vw, 64px);
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .trust-strip article {
    padding: 24px 20px;
  }

  .spec-grid,
  .practical-grid,
  .booking-form {
    grid-template-columns: 1fr;
  }

  .route-card {
    min-height: 260px;
  }

  .availability-calendar iframe {
    height: 430px;
  }

  .site-footer {
    flex-direction: column;
  }
}