:root {
  --ink: #f5efe6;
  --ink-dim: rgba(245, 239, 230, 0.72);
  --ink-soft: rgba(245, 239, 230, 0.52);
  --line: rgba(245, 239, 230, 0.16);
  --charcoal: #070706;
  --charcoal-2: #100f0d;
  --warm: #c7a675;
  --max: 1180px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--charcoal);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body::selection {
  background: var(--warm);
  color: #15120d;
}

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

.site-header {
  position: fixed;
  top: 20px;
  left: 50%;
  z-index: 30;
  display: flex;
  width: min(calc(100% - 32px), 760px);
  min-height: 52px;
  transform: translateX(-50%);
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid rgba(245, 239, 230, 0.14);
  border-radius: 999px;
  background: rgba(9, 8, 7, 0.46);
  padding: 8px 10px 8px 18px;
  backdrop-filter: blur(24px);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.24);
  transition:
    background 280ms ease,
    border-color 280ms ease,
    top 280ms ease;
}

.site-header.is-scrolled {
  top: 14px;
  background: rgba(9, 8, 7, 0.78);
  border-color: rgba(245, 239, 230, 0.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(245, 239, 230, 0.92);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-mark {
  width: 20px;
  height: 20px;
  border: 1px solid rgba(245, 239, 230, 0.66);
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 47%, var(--ink) 47% 53%, transparent 53%),
    linear-gradient(0deg, transparent 47%, var(--ink) 47% 53%, transparent 53%);
  opacity: 0.84;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 3px;
}

.nav-links a {
  min-width: 78px;
  border-radius: 999px;
  padding: 10px 13px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  text-align: center;
  transition:
    background 220ms ease,
    color 220ms ease;
}

.nav-links a:hover {
  background: rgba(245, 239, 230, 0.08);
  color: var(--ink);
}

.hero-section,
.cta-section {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  isolation: isolate;
}

.hero-media,
.inline-transition-video,
.cta-media {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
}

.hero-media {
  background-image: url("assets/waterfront-interactive-visualization/masterplan-context.png");
}

.inline-transition-video {
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  transition: opacity 420ms ease;
}

.hero-section.has-stage-media .inline-transition-video,
.hero-section.is-playing-transition .inline-transition-video {
  opacity: 1;
}

.hero-section.is-playing-transition:not(.is-chapter-ready) .map-hotspot,
.hero-section.is-playing-transition:not(.is-chapter-ready) .hero-content,
.hero-section.is-playing-transition:not(.is-chapter-ready) .scene-index,
.hero-section.is-chapter-ready .scene-index {
  opacity: 0;
  pointer-events: none;
}

.cta-media {
  background-image: url("assets/waterfront-interactive-visualization/arrival-experience.png");
  filter: saturate(0.9);
}

.cinema-scrim {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(7, 7, 6, 0.72), rgba(7, 7, 6, 0.12) 58%, rgba(7, 7, 6, 0.32)),
    linear-gradient(0deg, rgba(7, 7, 6, 0.82), transparent 46%, rgba(7, 7, 6, 0.12));
}

.map-hotspot {
  position: absolute;
  z-index: 7;
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(199, 166, 117, 0.34);
  border-radius: 999px;
  background: rgba(7, 7, 6, 0.36);
  padding: 8px 13px 8px 9px;
  color: var(--ink);
  font: inherit;
  font-size: 0.68rem;
  font-weight: 680;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.24);
  transition:
    background 220ms ease,
    border-color 220ms ease,
    transform 220ms ease;
}

.map-hotspot:hover {
  border-color: rgba(199, 166, 117, 0.66);
  background: rgba(199, 166, 117, 0.14);
  transform: translateY(-2px);
}

.map-hotspot.is-disabled {
  opacity: 0.58;
  cursor: default;
}

.map-hotspot.is-disabled:hover {
  border-color: rgba(199, 166, 117, 0.34);
  background: rgba(7, 7, 6, 0.42);
  transform: none;
}

.hotspot-arrival {
  right: 24vw;
  bottom: 36vh;
}

.hotspot-lobby {
  right: 28vw;
  bottom: 35vh;
}

.hotspot-next {
  right: 22vw;
  bottom: 44vh;
}

.hotspot-pulse {
  position: relative;
  display: block;
  width: 13px;
  height: 13px;
  border: 1px solid var(--warm);
  border-radius: 50%;
  background: rgba(199, 166, 117, 0.24);
}

.hotspot-pulse::after {
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(199, 166, 117, 0.38);
  border-radius: inherit;
  content: "";
  animation: hotspotPulse 2.4s ease-out infinite;
}

.hotspot-label {
  white-space: nowrap;
}

.cta-scrim {
  background:
    linear-gradient(90deg, rgba(7, 7, 6, 0.76), rgba(7, 7, 6, 0.32) 52%, rgba(7, 7, 6, 0.64)),
    linear-gradient(0deg, rgba(7, 7, 6, 0.9), transparent 42%, rgba(7, 7, 6, 0.2));
}

.hero-shell {
  position: relative;
  z-index: 5;
  display: flex;
  min-height: 100vh;
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
  padding: 22vh 0 9vh;
}

.hero-content {
  max-width: 760px;
  transition:
    opacity 760ms ease,
    transform 760ms ease;
}

.hero-section.is-playing-transition:not(.is-chapter-ready) .hero-content {
  transform: translateY(10px);
}

.hero-section.is-chapter-ready .hero-content {
  max-width: 390px;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.hero-section.is-chapter-ready h1 {
  max-width: 410px;
  margin-bottom: 12px;
  font-size: clamp(1.9rem, 3vw, 3.35rem);
  line-height: 1;
}

.hero-subtitle {
  max-width: 460px;
  margin-bottom: 16px;
  color: rgba(245, 239, 230, 0.9);
  font-size: clamp(0.92rem, 1.1vw, 1.06rem);
  line-height: 1.55;
}

.chapter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 16px;
}

.chapter-action {
  display: inline-flex;
  min-height: 0;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  padding: 0;
  color: rgba(245, 239, 230, 0.58);
  font: inherit;
  font-size: 0.61rem;
  font-weight: 720;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    color 220ms ease,
    transform 220ms ease;
}

.chapter-action:hover:not(:disabled) {
  color: var(--warm);
  transform: translateY(-1px);
}

.chapter-action-primary {
  color: var(--warm);
}

.chapter-action:disabled {
  color: rgba(245, 239, 230, 0.36);
  cursor: default;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--warm);
  font-size: clamp(0.72rem, 1vw, 0.8rem);
  font-weight: 680;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1,
h2 {
  max-width: 980px;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 0.98;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(3.1rem, 7.2vw, 7.6rem);
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2.25rem, 4.8vw, 5.1rem);
}

h3 {
  margin-bottom: 14px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.3rem, 1.75vw, 1.85rem);
  font-weight: 400;
}

p {
  color: var(--ink-dim);
  font-size: clamp(1rem, 1.2vw, 1.12rem);
  line-height: 1.68;
}

.hero-copy {
  max-width: 720px;
  margin-bottom: 26px;
}

.hero-section.is-chapter-ready .hero-copy {
  max-width: 340px;
  margin-bottom: 0;
  color: rgba(245, 239, 230, 0.76);
  font-size: clamp(0.86rem, 0.92vw, 0.96rem);
  line-height: 1.5;
}

.hero-meta {
  display: flex;
  max-width: 760px;
  flex-wrap: wrap;
  gap: 9px;
}

.hero-meta:empty {
  display: none;
}

.hero-meta span {
  border: 1px solid rgba(245, 239, 230, 0.16);
  border-radius: 999px;
  background: rgba(245, 239, 230, 0.055);
  padding: 10px 15px;
  color: rgba(245, 239, 230, 0.78);
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  backdrop-filter: blur(18px);
}

.scene-index {
  display: grid;
  grid-template-rows: auto 150px auto;
  gap: 14px;
  justify-items: center;
  color: rgba(245, 239, 230, 0.5);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.scene-index i {
  display: block;
  width: 1px;
  height: 150px;
  background: linear-gradient(var(--warm), rgba(245, 239, 230, 0.16));
}

.intro-section,
.features-section,
.workflow-section {
  position: relative;
  background:
    linear-gradient(180deg, var(--charcoal), var(--charcoal-2) 48%, var(--charcoal));
  padding: clamp(78px, 10vw, 132px) 24px;
}

.intro-section::before,
.features-section::before,
.workflow-section::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(100% - 48px, var(--max));
  height: 1px;
  transform: translateX(-50%);
  background: var(--line);
  content: "";
}

.intro-inner,
.section-heading,
.workflow-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.intro-inner h2,
.section-heading h2,
.workflow-heading h2 {
  max-width: 900px;
}

.intro-inner p:last-child {
  max-width: 760px;
}

.image-story {
  position: relative;
  display: grid;
  min-height: 100vh;
  grid-template-columns: minmax(0, 1.35fr) minmax(360px, 0.65fr);
  background: var(--charcoal);
  border-top: 1px solid var(--line);
}

.image-story-arrival {
  grid-template-columns: minmax(360px, 0.65fr) minmax(0, 1.35fr);
}

.image-story-arrival .story-image {
  grid-column: 2;
}

.image-story-arrival .story-copy {
  grid-column: 1;
  grid-row: 1;
}

.story-image {
  min-height: 100vh;
  background-position: center;
  background-size: cover;
}

.masterplan-image {
  background-image: url("assets/waterfront-interactive-visualization/masterplan-context.png");
}

.arrival-image {
  background-image: url("assets/waterfront-interactive-visualization/arrival-experience.png");
}

.story-copy {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(36px, 5vw, 70px);
}

.chapter-index {
  margin: 0 0 clamp(46px, 8vw, 96px);
  color: rgba(245, 239, 230, 0.48);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
}

.text-action {
  display: inline-flex;
  width: fit-content;
  margin-top: 24px;
  border: 0;
  background: transparent;
  padding: 0;
  color: var(--warm);
  font: inherit;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  cursor: pointer;
}

.replay-action {
  margin-top: 14px;
}

.story-copy h2 {
  font-size: clamp(2.1rem, 3.8vw, 4.4rem);
}

.story-copy p:last-child {
  max-width: 520px;
}

.feature-grid {
  display: grid;
  width: min(100%, var(--max));
  margin: clamp(44px, 7vw, 78px) auto 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.feature-item {
  min-height: 260px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(26px, 3vw, 42px) clamp(20px, 3vw, 36px) 24px 0;
}

.feature-item:nth-child(3n) {
  border-right: 0;
}

.feature-item span,
.workflow-list span {
  display: block;
  margin-bottom: 34px;
  color: var(--warm);
  font-size: 0.74rem;
  letter-spacing: 0.15em;
}

.feature-item p {
  max-width: 320px;
  font-size: 0.98rem;
}

.workflow-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(38px, 7vw, 96px);
  align-items: start;
}

.workflow-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.workflow-list li {
  display: grid;
  min-height: 112px;
  grid-template-columns: 76px minmax(0, 1fr);
  align-items: center;
  background: rgba(245, 239, 230, 0.035);
  padding: 0 clamp(20px, 3vw, 34px);
}

.workflow-list span {
  margin: 0;
}

.workflow-list p {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.25rem, 2vw, 2rem);
  line-height: 1.14;
}

.cta-section {
  display: grid;
  min-height: 92vh;
  place-items: center;
  padding: 120px 24px;
}

.cta-content {
  position: relative;
  z-index: 4;
  width: min(100%, 980px);
  text-align: center;
}

.cta-content h2 {
  margin-inline: auto;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  background: #070706;
  padding: 28px clamp(20px, 5vw, 70px);
}

.site-footer p {
  margin: 0;
  color: rgba(245, 239, 230, 0.54);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 820ms ease,
    transform 820ms ease;
}

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

@keyframes hotspotPulse {
  0% {
    opacity: 0.9;
    transform: scale(0.65);
  }

  100% {
    opacity: 0;
    transform: scale(1.8);
  }
}

@media (max-width: 900px) {
  .site-header {
    top: 14px;
    width: min(calc(100% - 24px), 640px);
  }

  .hero-shell {
    width: min(100% - 32px, var(--max));
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    gap: 28px;
  }

  .scene-index {
    display: none;
  }

  .image-story,
  .image-story-arrival,
  .workflow-inner {
    grid-template-columns: 1fr;
  }

  .image-story-arrival .story-image,
  .image-story-arrival .story-copy {
    grid-column: auto;
    grid-row: auto;
  }

  .story-image {
    min-height: 62vh;
  }

  .story-copy {
    min-height: auto;
  }

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

  .feature-item,
  .feature-item:nth-child(3n) {
    min-height: auto;
    border-right: 0;
    padding: 30px 0;
  }

  .hotspot-arrival {
    right: 24px;
    bottom: 34vh;
  }

  .hotspot-lobby,
  .hotspot-next {
    right: 24px;
    bottom: 38vh;
  }

}

@media (max-width: 620px) {
  .site-header {
    justify-content: center;
    padding: 8px 12px;
  }

  .brand {
    font-size: 0.67rem;
  }

  .nav-links {
    display: none;
  }

  h1 {
    font-size: clamp(2.8rem, 14vw, 4.4rem);
  }

  h2,
  .story-copy h2 {
    font-size: clamp(2.1rem, 10.5vw, 3.45rem);
  }

  .hero-meta span {
    width: 100%;
    text-align: center;
  }

  .map-hotspot {
    min-height: 44px;
    padding-right: 10px;
  }

  .hotspot-label {
    max-width: 128px;
    white-space: normal;
    text-align: left;
  }

  .hero-section.is-chapter-ready .hero-content {
    max-width: min(100%, 360px);
  }

  .hero-section.is-chapter-ready h1 {
    font-size: clamp(2rem, 11vw, 3.15rem);
  }

  .hero-section.is-chapter-ready .hero-copy {
    max-width: 320px;
    font-size: 0.92rem;
  }

  .chapter-actions {
    max-width: 300px;
  }

  .intro-section,
  .features-section,
  .workflow-section {
    padding: 68px 18px;
  }

  .workflow-list li {
    grid-template-columns: 54px minmax(0, 1fr);
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hotspot-pulse::after {
    animation: none;
  }
}