:root {
  color-scheme: light;
  --navy: #071a2d;
  --ink: #102033;
  --muted: #667078;
  --cream: #f6efe2;
  --paper: #fffaf1;
  --linen: #fbf5e9;
  --wood: #9f6b3c;
  --orange: #de7030;
  --gold: #eead36;
  --green: #529e49;
  --blue: #1c528f;
  --line: rgba(16, 32, 51, 0.14);
  --shadow: 0 22px 70px rgba(7, 26, 45, 0.18);
  --header-h: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial,
    sans-serif;
  color: var(--ink);
  background: var(--linen);
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 40px;
  color: #fff;
  transition:
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(255, 250, 241, 0.92);
  box-shadow: 0 10px 34px rgba(7, 26, 45, 0.12);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 800;
  font-size: 18px;
}

.brand img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.brand span {
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 15px;
  font-weight: 650;
}

.site-nav a {
  position: relative;
  padding: 10px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 2px;
  content: "";
  background: currentColor;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 6px auto;
  background: currentColor;
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.site-header.is-open .nav-toggle span:first-child {
  transform: translateY(4px) rotate(42deg);
}

.site-header.is-open .nav-toggle span:last-child {
  transform: translateY(-4px) rotate(-42deg);
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 88svh;
  padding: 132px 40px 96px;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
}

.hero-bg,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg {
  z-index: -3;
  object-fit: cover;
  animation: hero-drift 18s ease-in-out infinite alternate;
  transform-origin: center;
}

.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(7, 26, 45, 0.88), rgba(7, 26, 45, 0.48) 52%, rgba(7, 26, 45, 0.16)),
    linear-gradient(0deg, rgba(7, 26, 45, 0.58), rgba(7, 26, 45, 0.04) 42%);
}

.hero-copy {
  width: min(760px, 100%);
}

.hero-copy > * {
  animation: hero-rise 620ms ease both;
}

.hero-copy > *:nth-child(2) {
  animation-delay: 80ms;
}

.hero-copy > *:nth-child(3) {
  animation-delay: 160ms;
}

.hero-copy > *:nth-child(4) {
  animation-delay: 240ms;
}

.hero-copy > *:nth-child(5) {
  animation-delay: 320ms;
}

.hero-copy > *:nth-child(6) {
  animation-delay: 400ms;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--gold);
}

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

h1 {
  margin-bottom: 16px;
  font-size: 88px;
  line-height: 0.95;
  font-weight: 900;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h2 {
  margin-bottom: 0;
  font-size: 42px;
  line-height: 1.12;
  font-weight: 850;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 24px;
  line-height: 1.22;
  font-weight: 820;
}

.hero-statement {
  max-width: 760px;
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 34px;
  line-height: 1.22;
  font-weight: 850;
}

.hero-lead {
  max-width: 580px;
  margin-bottom: 28px;
  font-size: 22px;
  line-height: 1.55;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 720px;
  margin: 34px 0 0;
}

.hero-meta div {
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.32);
}

.hero-meta dt {
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
  font-weight: 800;
}

.hero-meta dd {
  margin: 0;
  color: #fff;
  font-size: 18px;
  font-weight: 850;
  line-height: 1.35;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

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

.button.primary {
  color: #fff;
  background: var(--orange);
  box-shadow: 0 16px 34px rgba(222, 112, 48, 0.3);
}

.button.ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.08);
}

.hero-strip {
  position: absolute;
  right: 40px;
  bottom: 28px;
  left: 40px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
}

.hero-strip span {
  min-width: 0;
  padding: 16px;
  font-size: 15px;
  font-weight: 750;
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
}

.manifesto {
  color: #fff;
  background:
    radial-gradient(circle at 12% 22%, rgba(222, 112, 48, 0.18), transparent 30%),
    linear-gradient(135deg, #071a2d 0%, #102033 56%, #0d2a24 100%);
}

.manifesto-inner {
  width: min(1180px, calc(100% - 80px));
  margin: 0 auto;
  padding: 92px 0;
}

.manifesto h2 {
  max-width: 940px;
  margin-bottom: 24px;
  font-size: 56px;
  line-height: 1.08;
}

.manifesto p:not(.eyebrow) {
  max-width: 760px;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 20px;
  line-height: 1.75;
}

.definition-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
}

.definition-row span {
  min-height: 88px;
  padding: 24px 22px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  font-size: 18px;
  font-weight: 850;
}

.definition-row span:last-child {
  border-right: 0;
}

.section {
  width: min(1180px, calc(100% - 80px));
  margin: 0 auto;
  padding: 96px 0;
}

.section-head {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 42px;
  align-items: end;
  margin-bottom: 42px;
}

.intro-grid,
.module-grid,
.event-grid,
.journey {
  display: grid;
  gap: 16px;
}

.intro-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.intro-grid article,
.module-grid article,
.event-grid article,
.journey li {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 241, 0.78);
}

.intro-grid article {
  padding: 24px;
}

.intro-grid strong {
  display: block;
  margin-bottom: 12px;
  font-size: 20px;
}

.intro-grid p,
.module-grid p,
.event-grid p,
.journey p,
.text-block p,
.partner-copy p,
.space-panel p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}

.modules {
  display: grid;
  grid-template-columns: 0.38fr 0.62fr;
  gap: 42px;
  align-items: start;
}

.module-lead {
  position: sticky;
  top: 112px;
}

.module-lead p {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.module-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.module-grid article {
  min-height: 188px;
  padding: 22px;
}

.module-grid span,
.journey span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 28px;
  border-radius: 50%;
  color: #fff;
  background: var(--navy);
  font-size: 13px;
  font-weight: 850;
}

.module-grid article:nth-child(2) span,
.journey li:nth-child(2) span {
  background: var(--orange);
}

.module-grid article:nth-child(3) span,
.journey li:nth-child(3) span {
  background: var(--blue);
}

.module-grid article:nth-child(4) span,
.journey li:nth-child(4) span {
  background: var(--green);
}

.module-grid article:nth-child(5) span,
.journey li:nth-child(5) span {
  background: var(--wood);
}

.module-grid article:nth-child(6) span {
  background: var(--gold);
}

.space-layout,
.program-layout,
.partner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: stretch;
}

.deployment-layout {
  display: grid;
  grid-template-columns: 1.22fr 0.78fr;
  gap: 28px;
  align-items: start;
}

.deployment-visual {
  aspect-ratio: 3200 / 2350;
  width: 100%;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--navy);
  box-shadow: var(--shadow);
}

.deployment-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.scenario-list {
  display: grid;
  gap: 12px;
}

.scenario-list article {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 241, 0.78);
}

.scenario-list span {
  display: block;
  margin-bottom: 10px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.scenario-list h3 {
  margin-bottom: 8px;
}

.scenario-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.format-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.format-strip article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.format-strip img {
  width: 100%;
  aspect-ratio: 1672 / 941;
  object-fit: contain;
  background: var(--navy);
}

.format-strip strong,
.format-strip p {
  display: block;
  padding: 0 18px;
}

.format-strip strong {
  margin-top: 18px;
  font-size: 18px;
  line-height: 1.35;
}

.format-strip p {
  margin: 8px 0 18px;
  color: var(--muted);
  line-height: 1.65;
}

.space-media,
.program-layout figure,
.image-copy figure {
  min-height: 420px;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.space-media img,
.program-layout figure img,
.image-copy figure img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
}

.space-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.tabs,
.event-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.tab,
.chip {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: #fff;
  font-weight: 750;
  cursor: pointer;
}

.tab.is-active,
.chip.is-active {
  color: #fff;
  border-color: var(--navy);
  background: var(--navy);
}

.spec-list {
  display: grid;
  gap: 16px;
  margin: 28px 0 0;
}

.spec-list div {
  display: grid;
  gap: 4px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.spec-list dt {
  color: var(--wood);
  font-size: 14px;
  font-weight: 850;
}

.spec-list dd {
  margin: 0;
  color: var(--ink);
  line-height: 1.6;
}

.image-copy {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
}

.image-copy.reverse {
  grid-template-columns: 0.78fr 1fr;
}

.text-block {
  padding: 20px 0;
}

.text-block p {
  font-size: 18px;
}

.bar-section {
  width: min(1280px, calc(100% - 80px));
}

.program-layout {
  grid-template-columns: 0.92fr 1.08fr;
  grid-template-areas:
    "filter image"
    "events image";
}

.event-filter {
  grid-area: filter;
  align-content: start;
}

.event-grid {
  grid-area: events;
}

.program-layout figure {
  grid-area: image;
  margin: 0;
}

.event-grid article {
  padding: 22px;
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.event-grid article.is-hidden {
  display: none;
}

.event-grid time {
  display: block;
  margin-bottom: 10px;
  color: var(--orange);
  font-weight: 850;
}

.journey {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  padding: 0;
  list-style: none;
}

.journey li {
  min-height: 230px;
  padding: 22px;
}

.journey strong {
  display: block;
  margin-bottom: 10px;
  font-size: 22px;
}

.people figure {
  min-height: 620px;
}

.people figure img {
  object-position: center top;
}

.proof-band {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 42px;
  align-items: start;
  width: min(1180px, calc(100% - 80px));
  padding: 72px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.proof-band ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.proof-band li {
  padding: 16px 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 18px;
  font-weight: 850;
}

.partner {
  align-items: start;
  width: min(1180px, calc(100% - 80px));
}

.partner-copy {
  padding-right: 28px;
}

.partner-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.partner-form label {
  display: grid;
  gap: 8px;
}

.partner-form span {
  font-size: 14px;
  font-weight: 850;
}

.partner-form input,
.partner-form select,
.partner-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: #fff;
  outline: none;
}

.partner-form input:focus,
.partner-form select:focus,
.partner-form textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(222, 112, 48, 0.12);
}

.partner-form .button {
  width: 100%;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--green);
  font-weight: 750;
  line-height: 1.5;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 36px 40px;
  color: #fff;
  background: var(--navy);
}

.site-footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
}

[data-reveal] {
  opacity: 1;
  transform: none;
}

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

@keyframes hero-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-drift {
  from {
    transform: scale(1);
  }

  to {
    transform: scale(1.045);
  }
}

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

  .hero-bg,
  .hero-copy > * {
    animation: none;
  }

  .button,
  .event-grid article,
  .site-header,
  .site-nav a::after,
  .nav-toggle span {
    transition: none;
  }
}

@media (max-width: 980px) {
  .site-header {
    height: 66px;
    padding: 0 22px;
    --header-h: 66px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 66px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px 22px 22px;
    color: var(--ink);
    background: var(--paper);
    box-shadow: 0 24px 44px rgba(7, 26, 45, 0.16);
  }

  .site-header.is-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 15px 0;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a::after {
    display: none;
  }

  .hero {
    min-height: 88svh;
    padding: 112px 24px 118px;
  }

  h1 {
    font-size: 58px;
  }

  .hero-statement {
    font-size: 26px;
  }

  h2 {
    font-size: 34px;
  }

  .hero-lead {
    font-size: 19px;
  }

  .hero-strip {
    right: 24px;
    bottom: 22px;
    left: 24px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-meta {
    grid-template-columns: 1fr;
    gap: 12px;
    max-width: 520px;
    margin-top: 28px;
  }

  .hero-meta dd {
    font-size: 16px;
  }

  .manifesto-inner {
    width: min(100% - 44px, 760px);
    padding: 72px 0;
  }

  .manifesto h2 {
    font-size: 38px;
  }

  .definition-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .definition-row span:nth-child(2) {
    border-right: 0;
  }

  .definition-row span:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .section,
  .bar-section,
  .partner {
    width: min(100% - 44px, 760px);
    padding: 72px 0;
  }

  .section-head,
  .modules,
  .space-layout,
  .image-copy,
  .image-copy.reverse,
  .program-layout,
  .partner,
  .deployment-layout,
  .proof-band {
    grid-template-columns: 1fr;
  }

  .section-head {
    gap: 12px;
    margin-bottom: 30px;
  }

  .module-lead {
    position: static;
  }

  .intro-grid,
  .module-grid,
  .journey,
  .format-strip,
  .proof-band ul {
    grid-template-columns: 1fr;
  }

  .program-layout {
    grid-template-areas:
      "filter"
      "image"
      "events";
  }

  .space-media,
  .program-layout figure,
  .image-copy figure,
  .people figure,
  .deployment-visual {
    min-height: 360px;
  }

  .deployment-visual {
    min-height: 0;
  }

  .people figure {
    max-height: 720px;
  }
}

@media (max-width: 560px) {
  .brand {
    font-size: 16px;
  }

  .brand img {
    width: 30px;
    height: 30px;
  }

  .hero {
    padding-right: 18px;
    padding-left: 18px;
  }

  h1 {
    font-size: 46px;
  }

  .hero-statement {
    font-size: 22px;
  }

  h2 {
    font-size: 28px;
  }

  h3 {
    font-size: 21px;
  }

  .hero-lead,
  .text-block p {
    font-size: 17px;
  }

  .button {
    width: 100%;
  }

  .hero-strip {
    right: 18px;
    left: 18px;
  }

  .hero-strip span {
    padding: 12px 8px;
    font-size: 13px;
  }

  .section,
  .bar-section,
  .partner,
  .manifesto-inner,
  .proof-band {
    width: calc(100% - 32px);
    padding: 58px 0;
  }

  .intro-grid article,
  .module-grid article,
  .space-panel,
  .event-grid article,
  .journey li,
  .partner-form,
  .scenario-list article {
    padding: 20px;
  }

  .space-media,
  .program-layout figure,
  .image-copy figure,
  .deployment-visual {
    min-height: 280px;
  }

  .deployment-visual {
    min-height: 0;
  }

  .manifesto h2 {
    font-size: 31px;
  }

  .manifesto p:not(.eyebrow) {
    font-size: 17px;
  }

  .definition-row {
    grid-template-columns: 1fr;
  }

  .definition-row span,
  .definition-row span:nth-child(2) {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .definition-row span:last-child {
    border-bottom: 0;
  }

  .people figure {
    min-height: 500px;
  }

  .tabs,
  .event-filter {
    gap: 8px;
  }

  .tab,
  .chip {
    flex: 1 1 auto;
    padding: 0 12px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 22px;
  }
}