:root {
  --ink: #061018;
  --ink-2: #0c1821;
  --charcoal: #10100f;
  --gold: #d8ae70;
  --gold-soft: #f0d39c;
  --ivory: #f7f1e8;
  --muted: #c9baaa;
  --wine: #7e2630;
  --rail: 140px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--ivory);
  font-family: "Noto Serif JP", serif;
  line-height: 1.8;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  content: "";
  opacity: .16;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 46px 46px;
  mix-blend-mode: soft-light;
}

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

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

.side-rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  width: var(--rail);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 54px 0 42px;
  background: linear-gradient(180deg, rgba(6,16,24,.98), rgba(14,28,37,.94));
  border-right: 1px solid rgba(216,174,112,.16);
}

.monogram {
  font-family: "Cormorant Garamond", serif;
  font-size: 54px;
  line-height: 1;
  letter-spacing: 0;
  color: var(--gold-soft);
}

.rail-line {
  width: 1px;
  flex: 1;
  max-height: 280px;
  margin: 62px 0 48px;
  background: linear-gradient(180deg, transparent, var(--gold), transparent);
}

.rail-icons {
  display: grid;
  gap: 24px;
}

.rail-icons a {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  color: var(--gold-soft);
  opacity: .9;
  transition: transform .25s ease, opacity .25s ease;
}

.rail-icons a:hover {
  opacity: 1;
  transform: translateX(4px);
}

.rail-icons svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.55;
  stroke-linecap: round;
  stroke-linejoin: round;
}

main {
  margin-left: var(--rail);
  min-height: 100vh;
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding: 120px clamp(34px, 8vw, 130px);
  background:
    linear-gradient(90deg, rgba(3,7,10,.92) 0%, rgba(3,7,10,.48) 30%, rgba(3,7,10,.04) 72%),
    linear-gradient(0deg, rgba(3,7,10,.9) 0%, rgba(3,7,10,.08) 44%),
    url("assets/hero-rooftop.png") center / cover no-repeat;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 74% 42%, transparent 0 28%, rgba(3,7,10,.34) 58%, rgba(3,7,10,.78) 100%);
  pointer-events: none;
}

.top-nav {
  position: absolute;
  top: 34px;
  right: clamp(28px, 5vw, 70px);
  z-index: 4;
  display: flex;
  align-items: center;
  gap: clamp(28px, 5vw, 78px);
  font-family: "Cormorant Garamond", serif;
  letter-spacing: .22em;
  font-size: 17px;
  text-transform: uppercase;
}

.nav-link {
  position: relative;
  padding: 12px 0;
}

.nav-link.is-active {
  color: #db880a;
}

.nav-link::after {
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 0;
  height: 1px;
  content: "";
  background: var(--gold);
  transition: width .25s ease;
}

.nav-link:hover::after,
.nav-link.is-active::after {
  width: 100%;
}

.nav-button {
  min-width: 210px;
  padding: 16px 24px;
  text-align: center;
  border: 1px solid var(--gold);
  color: var(--gold-soft);
  background: rgba(4, 10, 15, .3);
  transition: background .25s ease, color .25s ease;
}

.nav-button:hover {
  background: var(--gold);
  color: #081018;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 860px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--gold-soft);
  font-family: "Cormorant Garamond", "Noto Serif JP", serif;
  letter-spacing: .34em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 22px;
}

.eyebrow span {
  display: inline-block;
  width: 58px;
  height: 1px;
  background: var(--gold);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Cormorant Garamond", "Noto Serif JP", serif;
  font-weight: 500;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(68px, 9vw, 150px);
  line-height: .86;
  text-transform: uppercase;
  text-shadow: 0 18px 52px rgba(0,0,0,.5);
}

.lead {
  max-width: 600px;
  margin: 32px 0 0;
  color: rgba(247,241,232,.84);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.gold-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 13px 26px;
  border: 1px solid var(--gold);
  font-size: 14px;
  letter-spacing: .12em;
  transition: transform .25s ease, background .25s ease, color .25s ease;
}

.gold-button {
  background: var(--gold);
  color: #081018;
}

.ghost-button {
  color: var(--gold-soft);
  background: rgba(5,12,18,.35);
}

.gold-button:hover,
.ghost-button:hover {
  transform: translateY(-2px);
}

.ghost-button:hover {
  background: rgba(216,174,112,.12);
}

.scroll-cue {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: 38px;
  width: 28px;
  height: 52px;
  border: 1px solid rgba(247,241,232,.86);
  border-radius: 18px;
}

.scroll-cue span {
  position: absolute;
  top: 13px;
  left: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--ivory);
  transform: translateX(-50%);
  animation: scrollDot 1.8s infinite;
}

.scroll-cue::after {
  position: absolute;
  left: 50%;
  bottom: -25px;
  width: 16px;
  height: 16px;
  content: "";
  border-right: 1px solid var(--ivory);
  border-bottom: 1px solid var(--ivory);
  transform: translateX(-50%) rotate(45deg);
}

.section {
  position: relative;
  padding: clamp(78px, 10vw, 150px) clamp(28px, 8vw, 120px);
}

.concept {
  background: linear-gradient(180deg, #061018, #0d1418);
}

.concept::before {
  position: absolute;
  top: 0;
  right: 8%;
  bottom: 0;
  width: 1px;
  content: "";
  background: linear-gradient(180deg, transparent, rgba(216,174,112,.38), transparent);
}

.concept-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
  gap: clamp(38px, 8vw, 118px);
  align-items: start;
}

.section-title p,
.feature-panel .eyebrow,
.split-copy .eyebrow {
  font-size: 18px;
}

.section-title h2,
.gallery h2,
.access h2,
.contact h2,
.feature-panel h2,
.split-copy h2 {
  font-size: clamp(40px, 5.6vw, 82px);
  line-height: 1.08;
}

.concept-copy {
  color: var(--muted);
  font-size: 16px;
}

.feature {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, .8fr);
  gap: clamp(26px, 5vw, 74px);
  align-items: center;
  background: #10100f;
}

.feature-image,
.split-image,
.gallery-stage {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(216,174,112,.18);
}

.feature-image img,
.split-image img,
.gallery-stage img {
  height: 100%;
  min-height: 480px;
  object-fit: cover;
  transition: transform .8s ease, opacity .35s ease;
}

.feature-image:hover img,
.split-image:hover img,
.gallery-stage:hover img {
  transform: scale(1.035);
}

.feature-panel {
  padding: clamp(26px, 4vw, 58px);
  background: rgba(6,16,24,.74);
  border: 1px solid rgba(216,174,112,.2);
  box-shadow: 0 28px 80px rgba(0,0,0,.35);
}

.feature-panel p,
.split-copy p,
.access-card p,
.contact-inner p {
  color: var(--muted);
}

dl {
  margin: 28px 0 0;
  display: grid;
  gap: 14px;
}

dl div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(216,174,112,.22);
}

dt {
  color: var(--gold-soft);
}

dd {
  margin: 0;
  color: var(--ivory);
}

.gallery {
  background:
    linear-gradient(180deg, rgba(6,16,24,.98), rgba(10,18,22,.96)),
    radial-gradient(circle at 90% 0%, rgba(126,38,48,.26), transparent 36%);
}

.gallery-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 34px;
}

.gallery-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.gallery-btn {
  appearance: none;
  border: 1px solid rgba(216,174,112,.42);
  color: var(--gold-soft);
  background: transparent;
  padding: 12px 18px;
  font-family: "Cormorant Garamond", serif;
  font-size: 17px;
  cursor: pointer;
  transition: background .25s ease, color .25s ease;
}

.gallery-btn.is-selected,
.gallery-btn:hover {
  background: var(--gold);
  color: #081018;
}

.gallery-stage {
  min-height: 620px;
}

.gallery-stage img {
  min-height: 620px;
}

.gallery-card {
  position: absolute;
  right: clamp(18px, 4vw, 56px);
  bottom: clamp(18px, 4vw, 56px);
  max-width: 390px;
  padding: 28px;
  background: rgba(5,12,18,.82);
  border: 1px solid rgba(216,174,112,.32);
  backdrop-filter: blur(16px);
}

.gallery-card p {
  margin: 0 0 8px;
  color: var(--gold-soft);
  font-family: "Cormorant Garamond", serif;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.gallery-card h3 {
  font-size: 34px;
  line-height: 1.15;
}

.gallery-card span {
  display: block;
  margin-top: 14px;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(300px, .78fr) minmax(0, 1.22fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  background: linear-gradient(180deg, #10100f, #071018);
}

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

.access {
  min-height: 520px;
  display: grid;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(4,10,15,.9), rgba(4,10,15,.64)),
    url("assets/city-ceremony.png") center / cover no-repeat;
}

.access-card {
  max-width: 570px;
  padding: clamp(28px, 5vw, 58px);
  background: rgba(4,10,15,.78);
  border-left: 1px solid var(--gold);
  backdrop-filter: blur(12px);
}

.access ul {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  color: var(--ivory);
}

.access li {
  padding: 12px 0;
  border-top: 1px solid rgba(216,174,112,.2);
}

.contact {
  background:
    radial-gradient(circle at 12% 22%, rgba(126,38,48,.24), transparent 32%),
    linear-gradient(180deg, #071018, #03070a);
}

.contact-inner {
  max-width: 940px;
  margin: 0 auto;
  text-align: center;
}

.reservation-form {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 1fr 1fr 160px auto;
  gap: 14px;
  align-items: end;
  text-align: left;
}

label {
  display: grid;
  gap: 8px;
  color: var(--gold-soft);
  font-size: 13px;
  letter-spacing: .08em;
}

input,
select {
  width: 100%;
  min-height: 52px;
  border: 1px solid rgba(216,174,112,.36);
  border-radius: 0;
  padding: 0 14px;
  color: var(--ivory);
  background: rgba(255,255,255,.04);
  font: inherit;
}

select option {
  color: #111;
}

input:focus,
select:focus {
  outline: 1px solid var(--gold);
}

.form-message {
  min-height: 30px;
  margin-top: 18px;
  color: var(--gold-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .75s ease, transform .75s ease;
}

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

@keyframes scrollDot {
  0%, 100% {
    transform: translate(-50%, 0);
    opacity: .3;
  }
  45% {
    transform: translate(-50%, 14px);
    opacity: 1;
  }
}

@media (max-width: 980px) {
  :root {
    --rail: 0px;
  }

  .side-rail {
    display: none;
  }

  main {
    margin-left: 0;
  }

  .top-nav {
    left: 20px;
    right: 20px;
    justify-content: space-between;
    gap: 14px;
    font-size: 14px;
  }

  .nav-button {
    min-width: 150px;
    padding: 12px 16px;
  }

  .hero {
    padding: 118px 24px 90px;
  }

  .concept-grid,
  .feature,
  .split {
    grid-template-columns: 1fr;
  }

  .feature-image img,
  .split-image img,
  .gallery-stage img {
    min-height: 420px;
  }

  .gallery-head {
    display: grid;
    align-items: start;
  }

  .reservation-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .top-nav {
    top: 18px;
    font-size: 12px;
    letter-spacing: .16em;
  }

  .nav-link:nth-child(2) {
    display: none;
  }

  .nav-button {
    min-width: auto;
  }

  h1 {
    font-size: 58px;
  }

  .eyebrow {
    font-size: 16px;
    letter-spacing: .22em;
  }

  .section {
    padding: 70px 22px;
  }

  .section-title h2,
  .gallery h2,
  .access h2,
  .contact h2,
  .feature-panel h2,
  .split-copy h2 {
    font-size: 38px;
  }

  .gallery-stage,
  .gallery-stage img {
    min-height: 560px;
  }

  .gallery-card {
    left: 14px;
    right: 14px;
    bottom: 14px;
    padding: 20px;
  }

  .gallery-card h3 {
    font-size: 28px;
  }
}