:root {
  --ink: #081112;
  --spruce: #103a35;
  --night: #0a1820;
  --ice: #e9f3f4;
  --mist: #f5f7f2;
  --brass: #c8a45d;
  --brass-deep: #8e6c31;
  --stone: #6f7a74;
  --white: #ffffff;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--mist);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px clamp(20px, 5vw, 72px);
  color: var(--white);
}

.brand,
.site-nav,
.hero-actions,
.hero-stats,
.inquiry-panel {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
}

.brand-mark {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 50%;
  color: var(--brass);
  font-family: Georgia, "Times New Roman", serif;
}

.site-nav {
  gap: clamp(16px, 3vw, 38px);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.site-nav a {
  opacity: 0.84;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  opacity: 1;
  color: var(--brass);
}

.hero {
  position: relative;
  min-height: 88svh;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 118px clamp(20px, 5vw, 72px) 64px;
  color: var(--white);
  background-image: url("assets/hero-arctic-expedition.png");
  background-position: center;
  background-size: cover;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 14, 18, 0.9) 0%, rgba(6, 14, 18, 0.54) 42%, rgba(6, 14, 18, 0.08) 100%),
    linear-gradient(0deg, rgba(6, 14, 18, 0.72) 0%, rgba(6, 14, 18, 0) 44%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 48%, rgba(200, 164, 93, 0.18), transparent 34%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 710px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--brass);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

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

h1,
h2 {
  font-family: Didot, "Bodoni 72", Georgia, "Times New Roman", serif;
  font-weight: 500;
  line-height: 1;
}

h1 {
  max-width: 680px;
  margin-bottom: 26px;
  font-size: clamp(3.3rem, 8vw, 7.7rem);
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2.3rem, 5vw, 4.6rem);
}

h3 {
  margin-bottom: 14px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.28rem;
  line-height: 1.2;
}

.hero-copy {
  max-width: 610px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 48px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 2px;
  padding: 13px 24px;
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--brass);
  color: var(--ink);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #d9b86f;
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.44);
  color: var(--white);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--brass);
  color: var(--brass);
}

.button.dark {
  color: var(--ink);
}

.hero-stats {
  flex-wrap: wrap;
  gap: 24px;
  margin: 0;
}

.hero-stats div {
  min-width: 138px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.hero-stats dt {
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.7rem;
}

.hero-stats dd {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.88rem;
}

.section-inner {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.section-band {
  background: var(--ice);
}

.section-pad {
  padding: clamp(72px, 9vw, 120px) 0;
}

.intro {
  padding: clamp(48px, 7vw, 86px) 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(170px, 0.32fr) 1fr;
  gap: clamp(28px, 7vw, 96px);
  align-items: start;
}

.intro-grid h2,
.experience-copy h2,
.inquiry-panel h2 {
  color: var(--spruce);
}

.intro-grid p:not(.section-kicker),
.experience-copy p:not(.section-kicker),
.inquiry-panel p {
  max-width: 780px;
  color: var(--stone);
  font-size: 1.05rem;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 44px;
}

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

.voyage-card {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  border: 1px solid rgba(16, 58, 53, 0.14);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 22px 60px rgba(8, 17, 18, 0.08);
}

.voyage-card p {
  color: var(--stone);
}

.voyage-card .card-number {
  color: var(--brass-deep);
  font-size: 0.76rem;
  font-weight: 800;
}

.voyage-card span {
  width: fit-content;
  margin-top: 24px;
  padding-top: 12px;
  border-top: 1px solid var(--brass);
  color: var(--spruce);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.experience {
  padding: clamp(72px, 9vw, 120px) 0;
  background: var(--night);
  color: var(--white);
}

.experience-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: clamp(38px, 8vw, 110px);
  align-items: start;
}

.experience-copy h2,
.experience-copy p:not(.section-kicker) {
  color: var(--white);
}

.experience-list {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.experience-list div {
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.experience-list h3 {
  color: var(--brass);
}

.experience-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}

.inquiry {
  background:
    linear-gradient(135deg, rgba(233, 243, 244, 0.95), rgba(245, 247, 242, 0.96)),
    linear-gradient(90deg, var(--ice), var(--mist));
}

.inquiry-panel {
  justify-content: space-between;
  gap: 34px;
  padding: clamp(34px, 5vw, 56px);
  border: 1px solid rgba(16, 58, 53, 0.14);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 26px 70px rgba(8, 17, 18, 0.1);
}

.inquiry-panel > div {
  max-width: 720px;
}

.inquiry-panel h2 {
  font-size: clamp(2rem, 4vw, 3.8rem);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.68);
  background: var(--ink);
  font-size: 0.88rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    padding-top: 20px;
  }

  .site-nav {
    gap: 14px;
    font-size: 0.75rem;
  }

  .hero {
    min-height: 86svh;
    padding-top: 112px;
    background-position: 61% center;
  }

  h1 {
    font-size: clamp(2.9rem, 13vw, 4.6rem);
  }

  .hero-copy {
    max-width: 520px;
  }

  .hero-actions {
    margin-bottom: 34px;
  }

  .intro-grid,
  .experience-grid,
  .voyage-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 560px) {
  .site-header {
    gap: 14px;
    flex-direction: column;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: 84svh;
    padding: 142px 20px 44px;
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(6, 14, 18, 0.9) 0%, rgba(6, 14, 18, 0.68) 64%, rgba(6, 14, 18, 0.24) 100%),
      linear-gradient(0deg, rgba(6, 14, 18, 0.72) 0%, rgba(6, 14, 18, 0) 48%);
  }

  .hero-copy {
    font-size: 1rem;
  }

  .button {
    width: 100%;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .hero-stats div {
    min-width: 0;
  }

  .hero-stats dt {
    font-size: 1.35rem;
  }

  .hero-stats dd {
    font-size: 0.75rem;
    line-height: 1.3;
  }

  .section-inner {
    width: min(var(--max-width), calc(100% - 32px));
  }

  .voyage-card,
  .inquiry-panel {
    padding: 24px;
  }
}
