:root {
  --paper: #f7f5f2;
  --ink: #191b18;
  --muted: #6b7068;
  --line: #d3d4cd;
  --accent: #25483d;
  --mist: #e6e8e1;
  --shadow: rgba(24, 30, 24, .18);
  --serif: "Source Han Serif SC", "Songti SC", STSong, Georgia, serif;
  --sans: "HarmonyOS Sans SC", "Alibaba PuHuiTi 3.0", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.7;
}

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

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

::selection {
  background: var(--accent);
  color: var(--paper);
}

.renewal-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 32px;
  padding: 26px 4.3vw;
  color: var(--paper);
  mix-blend-mode: difference;
}

.brand {
  font-size: 18px;
  font-weight: 650;
  letter-spacing: .1em;
}

.brand span {
  margin-left: 8px;
  font-size: 13px;
  letter-spacing: .08em;
}

.renewal-header nav {
  display: flex;
  gap: 34px;
  font-size: 12px;
  letter-spacing: .12em;
}

.renewal-header nav a {
  position: relative;
  white-space: nowrap;
}

.renewal-header nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -9px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s ease;
}

.renewal-header nav a:hover::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  min-height: 100dvh;
  overflow: hidden;
  background: #111612;
  color: var(--paper);
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.78) contrast(1.08) brightness(.78) sepia(.08);
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 12, 10, .22), rgba(8, 12, 10, .04) 55%, rgba(8, 12, 10, .02)),
    linear-gradient(0deg, rgba(8, 12, 10, .34), transparent 42%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(680px, 86vw);
  padding: 28vh 0 14vh 4.3vw;
}

.minimal-hero-copy {
  position: absolute;
  left: 4.3vw;
  bottom: 7vh;
  width: auto;
  max-width: min(390px, 78vw);
  padding: 0;
}

.meta,
.kicker {
  margin: 0;
  color: var(--accent);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: .18em;
}

.hero .meta {
  color: rgba(247, 245, 242, .8);
}

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

h1 {
  max-width: 8ch;
  margin: 24px 0 26px;
  font: 400 clamp(72px, 10vw, 148px) / .92 var(--serif);
  letter-spacing: -.07em;
}

.minimal-hero-copy h1 {
  max-width: none;
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(20px, 2.2vw, 34px);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: .08em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .35);
}

.hero-copy p:not(.meta) {
  max-width: 540px;
  color: rgba(247, 245, 242, .82);
  font-size: 18px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid currentColor;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: .06em;
  transition: transform .2s ease, background .25s ease, color .25s ease;
}

.button:active {
  transform: translateY(1px) scale(.99);
}

.button-light {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

.button-light:hover {
  background: transparent;
  color: var(--paper);
}

.button-ghost {
  color: var(--paper);
}

.button-ghost:hover {
  background: rgba(247, 245, 242, .14);
}

.button-dark {
  background: var(--accent);
  color: var(--paper);
  border-color: var(--accent);
}

.button-dark:hover {
  background: #173127;
}

.hero-note {
  position: absolute;
  z-index: 3;
  right: 4.3vw;
  bottom: 8vh;
  width: 190px;
  padding-top: 16px;
  border-top: 1px solid rgba(247, 245, 242, .6);
  color: var(--paper);
}

.hero-note span {
  display: block;
  font-size: 10px;
  letter-spacing: .18em;
  color: rgba(247, 245, 242, .72);
}

.hero-note strong {
  display: block;
  margin: 12px 0 6px;
  font: 400 76px / .85 var(--serif);
  letter-spacing: -.06em;
}

.section {
  padding: clamp(92px, 10vw, 158px) 4.3vw;
}

.manifest {
  display: grid;
  grid-template-columns: minmax(170px, .48fr) minmax(0, 1.52fr);
  gap: clamp(48px, 10vw, 160px);
}

h2 {
  margin: 15px 0 0;
  font: 400 clamp(42px, 5.8vw, 84px) / 1.06 var(--serif);
  letter-spacing: -.06em;
}

.manifest p:last-child,
.plans-copy p,
.visit-card p {
  max-width: 610px;
  margin-top: 28px;
  color: #424640;
  font-size: 17px;
  line-height: 1.95;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(160px, .45fr) minmax(0, 1.55fr);
  gap: clamp(40px, 8vw, 130px);
  align-items: start;
  margin-bottom: 42px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.section-head h2 {
  max-width: 12ch;
  margin-top: 0;
}

.compare {
  background: var(--mist);
}

.compare-frame {
  margin: 0;
  background: #111612;
  box-shadow: 0 28px 80px var(--shadow);
}

.compare-frame img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.88) contrast(1.03) brightness(.96);
}

figcaption {
  padding: 16px 18px 18px;
  color: rgba(247, 245, 242, .72);
  font-size: 12px;
  letter-spacing: .04em;
}

.vision {
  display: grid;
  grid-template-columns: minmax(260px, .82fr) minmax(0, 1.18fr);
  gap: clamp(54px, 8vw, 130px);
}

.vision-title {
  position: sticky;
  top: 120px;
  align-self: start;
}

.vision-title h2 {
  max-width: 10ch;
}

.vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 42px;
  border-top: 1px solid var(--accent);
}

.vision-grid article {
  min-height: 285px;
  padding: 28px 0 34px;
  border-bottom: 1px solid var(--line);
}

.vision-grid span {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: .14em;
}

h3 {
  margin: 34px 0 13px;
  font: 400 clamp(26px, 2.6vw, 38px) / 1.08 var(--serif);
  letter-spacing: -.04em;
}

.vision-grid p,
.timeline p {
  max-width: 34ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.plans {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr);
  gap: clamp(38px, 7vw, 110px);
  align-items: center;
  background: #1b2d26;
  color: var(--paper);
}

.plans .kicker {
  color: #b7c8bc;
}

.plans-copy h2 {
  max-width: 12ch;
}

.plans-copy p {
  color: rgba(247, 245, 242, .75);
}

.drawing-card {
  display: grid;
  min-height: 430px;
  padding: 34px;
  border: 1px solid rgba(247, 245, 242, .36);
  background:
    linear-gradient(90deg, rgba(247, 245, 242, .08) 1px, transparent 1px),
    linear-gradient(rgba(247, 245, 242, .08) 1px, transparent 1px);
  background-size: 42px 42px;
}

.drawing-card span {
  color: #b7c8bc;
  font-size: 11px;
  letter-spacing: .18em;
}

.drawing-card strong {
  align-self: center;
  max-width: 8ch;
  font: 400 clamp(46px, 5vw, 76px) / .96 var(--serif);
  letter-spacing: -.06em;
}

.drawing-card p {
  align-self: end;
  margin: 0;
  color: rgba(247, 245, 242, .65);
  font-size: 13px;
  letter-spacing: .05em;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  padding-top: 22px;
  border-top: 1px solid var(--accent);
}

.timeline span {
  color: var(--accent);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: .16em;
}

.timeline strong {
  display: block;
  margin: 38px 0 12px;
  font: 400 30px / 1.12 var(--serif);
  letter-spacing: -.04em;
}

.visit {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, .75fr);
  gap: clamp(44px, 8vw, 120px);
  background: var(--mist);
}

.visit h2 {
  max-width: 10ch;
}

.visit-card {
  align-self: end;
  padding-top: 24px;
  border-top: 1px solid var(--accent);
}

.visit-card .button {
  margin-top: 30px;
}

@media (max-width: 900px) {
  .renewal-header {
    grid-template-columns: 1fr;
    padding: 18px 6vw;
    gap: 12px;
  }

  .renewal-header nav {
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 4px;
    font-size: 11px;
  }

  .brand {
    font-size: 16px;
  }

  .brand span {
    font-size: 11px;
  }

  .hero-copy {
    width: auto;
    padding: 25vh 7vw 22vh;
  }

  .minimal-hero-copy {
    left: 7vw;
    bottom: 6vh;
    padding: 0;
  }

  h1 {
    font-size: clamp(58px, 18vw, 88px);
  }

  .minimal-hero-copy h1 {
    font-size: 22px;
    letter-spacing: .06em;
  }

  .hero-copy p:not(.meta) {
    font-size: 16px;
  }

  .hero-note {
    left: 7vw;
    right: auto;
    bottom: 5vh;
    width: 150px;
  }

  .hero-note strong {
    font-size: 58px;
  }

  .section {
    padding: 76px 7vw;
  }

  .manifest,
  .section-head,
  .vision,
  .plans,
  .visit {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  h2 {
    font-size: clamp(38px, 11vw, 54px);
  }

  .section-head {
    margin-bottom: 28px;
  }

  .compare-frame img {
    aspect-ratio: 4 / 3;
  }

  .vision-title {
    position: static;
  }

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

  .vision-grid article {
    min-height: auto;
  }

  .drawing-card {
    min-height: 330px;
  }

  .timeline {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .timeline strong {
    margin-top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}