:root {
  --ink: #f7f0e4;
  --muted: rgba(247, 240, 228, 0.72);
  --dim: rgba(247, 240, 228, 0.52);
  --gold: #d8b46a;
  --forest: #07100d;
  --deep: #0c1411;
  --panel: #121a16;
  --line: rgba(216, 180, 106, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--forest);
  color: var(--ink);
  font-family: "Noto Sans JP", sans-serif;
  letter-spacing: 0.04em;
}

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

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

.site-header {
  align-items: center;
  display: grid;
  gap: 28px;
  grid-template-columns: auto 1fr auto;
  left: 0;
  padding: 34px 48px;
  position: fixed;
  right: 0;
  top: 0;
  transition: background 0.35s ease, padding 0.35s ease;
  z-index: 20;
}

.site-header.is-scrolled {
  background: rgba(7, 16, 13, 0.78);
  backdrop-filter: blur(18px);
  padding-block: 18px;
}

.brand-mark {
  align-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold);
  display: grid;
  font-size: 28px;
  height: 52px;
  justify-items: center;
  line-height: 1;
  width: 52px;
}

.nav {
  display: flex;
  gap: clamp(24px, 5vw, 72px);
  justify-content: center;
}

.nav a,
.header-cta,
.button,
.eyebrow {
  color: #e8cc91;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.header-cta,
.button {
  border: 1px solid var(--gold);
  padding: 18px 28px;
}

.menu-button {
  background: none;
  border: 0;
  display: none;
}

.hero {
  min-height: 100svh;
  overflow: hidden;
  position: relative;
}

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

.hero-shade {
  background:
    linear-gradient(90deg, rgba(4, 8, 7, 0.76), rgba(4, 8, 7, 0.26) 48%, rgba(4, 8, 7, 0.6)),
    linear-gradient(0deg, rgba(7, 16, 13, 0.7), transparent 42%);
}

.hero-content {
  margin-left: clamp(28px, 6vw, 100px);
  max-width: 900px;
  padding-top: 42vh;
  position: relative;
  z-index: 2;
}

h1,
h2,
h3 {
  font-family: "Cormorant Garamond", serif;
  font-weight: 400;
  margin: 0;
}

h1 {
  font-size: clamp(76px, 9vw, 152px);
  letter-spacing: 0.12em;
  line-height: 0.92;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(38px, 5vw, 74px);
  line-height: 1.05;
}

h3 {
  font-size: 30px;
}

.gold-rule {
  background: var(--gold);
  display: block;
  height: 2px;
  margin: 34px 0;
  width: 68px;
}

.lead {
  color: var(--ink);
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(28px, 2.6vw, 42px);
  margin: 0 0 34px;
}

.button {
  display: inline-flex;
  gap: 18px;
}

.section {
  padding: 110px clamp(24px, 6vw, 96px);
}

.intro {
  background: linear-gradient(180deg, #07100d, #0d1713);
  display: grid;
  gap: 44px;
  grid-template-columns: 1.1fr 0.9fr;
}

.body-copy,
.split-copy p,
.card p,
.contact-box p {
  color: var(--muted);
  font-size: 16px;
  line-height: 2;
}

.retreat-heading {
  color: #a6a096;
}

.split {
  align-items: center;
  background: var(--deep);
  display: grid;
  gap: 72px;
  grid-template-columns: 1.05fr 0.95fr;
}

.image-panel {
  border: 1px solid var(--line);
  padding: 12px;
}

.image-panel img {
  aspect-ratio: 1.18;
  object-fit: cover;
}

.features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.features span {
  border: 1px solid rgba(247, 240, 228, 0.18);
  color: var(--dim);
  font-size: 12px;
  letter-spacing: 0.14em;
  padding: 12px 14px;
  text-transform: uppercase;
}

.membership {
  background:
    radial-gradient(circle at 15% 10%, rgba(216, 180, 106, 0.12), transparent 28%),
    #09120f;
}

.membership > h2 {
  max-width: 820px;
}

.cards {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 54px;
}

.card {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(216, 180, 106, 0.22);
  padding: 34px;
}

.card span {
  color: var(--gold);
  display: block;
  margin-bottom: 54px;
}

.journal {
  background: #111914;
  border-block: 1px solid rgba(216, 180, 106, 0.18);
}

.journal-row {
  align-items: end;
  display: flex;
  gap: 32px;
  justify-content: space-between;
}

.journal-row a {
  color: var(--gold);
  white-space: nowrap;
}

.access {
  align-items: center;
  background: #08120f;
  display: grid;
  gap: 64px;
  grid-template-columns: 0.85fr 1.15fr;
}

.access-copy p,
.access-copy dd {
  color: var(--muted);
  line-height: 2;
}

dl {
  border-top: 1px solid var(--line);
  margin: 34px 0 0;
}

dl div {
  border-bottom: 1px solid rgba(216, 180, 106, 0.18);
  display: grid;
  gap: 18px;
  grid-template-columns: 110px 1fr;
  padding: 18px 0;
}

dt {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

dd {
  margin: 0;
}

.map-panel {
  aspect-ratio: 1.35;
  background: #14201a;
  border: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}

.map-panel iframe {
  border: 0;
  filter: grayscale(0.7) contrast(0.9) brightness(0.82);
  height: 100%;
  width: 100%;
}

.contact {
  background:
    linear-gradient(rgba(7, 16, 13, 0.82), rgba(7, 16, 13, 0.92)),
    url("./assets/hero-sauna-retreat.png") center / cover;
}

.contact-box {
  border: 1px solid var(--line);
  margin-inline: auto;
  max-width: 820px;
  padding: clamp(32px, 6vw, 70px);
  text-align: center;
}

form {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr 1fr auto;
  margin-top: 34px;
}

input,
button {
  border-radius: 0;
  font: inherit;
}

input {
  background: rgba(247, 240, 228, 0.08);
  border: 1px solid rgba(247, 240, 228, 0.18);
  color: var(--ink);
  padding: 18px;
}

button {
  background: var(--gold);
  border: 1px solid var(--gold);
  color: #11120d;
  cursor: pointer;
  letter-spacing: 0.14em;
  padding: 18px 24px;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: auto auto;
    padding: 22px;
  }

  .menu-button {
    display: grid;
    gap: 7px;
    justify-self: end;
  }

  .menu-button span {
    background: var(--gold);
    display: block;
    height: 1px;
    width: 32px;
  }

  .nav,
  .header-cta {
    display: none;
  }

  .nav.is-open {
    background: rgba(7, 16, 13, 0.96);
    border: 1px solid var(--line);
    display: grid;
    grid-column: 1 / -1;
    gap: 18px;
    padding: 22px;
  }

  .hero-content {
    margin-inline: 24px;
    padding-top: 38vh;
  }

  .intro,
  .split,
  .access,
  .cards,
  form {
    grid-template-columns: 1fr;
  }

  .section {
    padding-block: 78px;
  }

  .journal-row {
    align-items: start;
    flex-direction: column;
  }
}