:root {
  --navy: #121b35;
  --navy-deep: #081318;
  --blue: #148dc4;
  --blue-dark: #0f6f9d;
  --silver: #e7edf5;
  --text: #101827;
  --muted: #5d6878;
  --line: #d8e0ea;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #f6f8fb;
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

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

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

.hero-image {
  position: absolute;
  inset: 0;
  height: 100%;
  width: 100%;
  object-fit: cover;
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(
    90deg,
    rgba(8, 19, 24, 0.93),
    rgba(8, 19, 24, 0.76) 39%,
    rgba(8, 19, 24, 0.22) 74%
  );
}

.site-header,
.hero-grid,
.section-inner,
.footer-inner {
  position: relative;
  z-index: 1;
  width: min(100% - 40px, 1180px);
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  font-weight: 750;
  letter-spacing: 0.02em;
}

.brand-logo {
  height: 48px;
  width: 48px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
  background: var(--navy);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.25);
}

.brand-logo img {
  display: block;
  height: 100%;
  width: 100%;
  object-fit: cover;
}

.nav {
  display: flex;
  gap: 28px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 650;
}

.nav a:hover {
  color: var(--white);
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: var(--white);
  color: #081318;
  font-size: 14px;
  font-weight: 750;
  padding: 0 17px;
  transition:
    background 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.button:hover {
  background: var(--blue);
  color: var(--white);
  transform: translateY(-1px);
}

.button.primary {
  background: var(--blue);
  color: var(--white);
}

.button.primary:hover {
  background: var(--blue-dark);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: 44px;
  align-items: end;
  padding: 72px 0 64px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.88);
  font-size: 14px;
  font-weight: 650;
  padding: 9px 12px;
  backdrop-filter: blur(10px);
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 760px;
  margin-top: 22px;
  font-size: clamp(48px, 7vw, 80px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 660px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
  line-height: 1.75;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.chip {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  font-weight: 650;
  padding: 10px 14px;
  backdrop-filter: blur(10px);
}

.chip.proof {
  border-color: rgba(56, 189, 248, 0.4);
  background: rgba(56, 189, 248, 0.16);
  color: #e7f8ff;
}

.booking-panel {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: var(--white);
  padding: 12px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.3);
}

.section {
  padding: 72px 0;
}

.section.white {
  background: var(--white);
}

.section.dark {
  background: #0f172a;
  color: var(--white);
}

.section-inner {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 48px;
}

.section-label {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.dark .section-label {
  color: #7dd3fc;
}

h2 {
  max-width: 580px;
  margin-top: 12px;
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.08;
  letter-spacing: 0;
}

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

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

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
  padding: 22px;
}

.card.white-card {
  background: var(--white);
}

.dark .card {
  border-color: rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.06);
}

.icon {
  display: grid;
  height: 38px;
  width: 38px;
  place-items: center;
  border-radius: 6px;
  background: rgba(20, 141, 196, 0.12);
  color: var(--blue);
  font-weight: 850;
}

.dark .icon {
  background: #38bdf8;
  color: #07121f;
}

h3 {
  margin-top: 18px;
  font-size: 17px;
}

.card p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.dark .card p {
  color: rgba(255, 255, 255, 0.7);
}

.notice {
  margin-bottom: 24px;
  border: 1px solid #bae6fd;
  border-radius: 8px;
  background: #f0f9ff;
  color: #334155;
  padding: 16px;
  font-size: 14px;
  line-height: 1.55;
}

.book-main {
  min-height: 100vh;
  background: #f6f8fb;
}

.book-header {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.book-header .brand {
  color: var(--text);
}

.book-section {
  width: min(100% - 40px, 1180px);
  margin: 0 auto;
  padding: 44px 0;
}

.book-section h1 {
  color: var(--text);
  font-size: clamp(40px, 5vw, 58px);
}

.book-section > p {
  max-width: 660px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.store-shell {
  margin-top: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 12px;
  box-shadow: 0 16px 50px rgba(15, 23, 42, 0.07);
}

footer {
  background: var(--white);
  color: var(--muted);
  font-size: 14px;
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .hero-grid,
  .section-inner {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    padding-top: 40px;
  }

  .booking-panel {
    max-width: 520px;
  }

  .card-grid.three {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
  }

  .brand-logo {
    height: 42px;
    width: 42px;
  }

  .button {
    min-height: 40px;
    padding: 0 13px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

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