:root {
  --night: #121315;
  --cream: #f4efe7;
  --sand: #d7c8b1;
  --orange: #f0652f;
  --teal: #1aa39a;
  --blue: #2f5bff;
  --slate: #51565f;
  --paper: rgba(255, 255, 255, 0.72);
  --line: rgba(18, 19, 21, 0.12);
  --line-strong: rgba(244, 239, 231, 0.15);
  --shadow: 0 24px 80px rgba(18, 19, 21, 0.12);
  --radius: 32px;
  --radius-small: 20px;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--night);
  font-family: "Lora", Georgia, serif;
  line-height: 1.6;
  background:
    radial-gradient(circle at 74% 16%, rgba(240, 101, 47, 0.2), transparent 20rem),
    radial-gradient(circle at 18% 76%, rgba(26, 163, 154, 0.16), transparent 21rem),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    var(--cream);
  background-size: auto, auto, 52px 52px, 52px 52px, auto;
}

html[lang="zh-Hans"] body,
html[lang="zh-Hant"] body {
  font-family: "Noto Sans SC", "Noto Sans TC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

html[lang="zh-Hans"] h1,
html[lang="zh-Hans"] h2,
html[lang="zh-Hans"] h3,
html[lang="zh-Hant"] h1,
html[lang="zh-Hant"] h2,
html[lang="zh-Hant"] h3 {
  font-family: "Noto Sans SC", "Noto Sans TC", sans-serif;
  letter-spacing: -0.04em;
}

body,
button,
a {
  -webkit-tap-highlight-color: rgba(240, 101, 47, 0.18);
  touch-action: manipulation;
}

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

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

.page-shell {
  position: relative;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: max(12px, env(safe-area-inset-top)) 0 max(48px, env(safe-area-inset-bottom));
}

#top,
#main-content,
#story,
#founders,
#vision,
#contact {
  scroll-margin-top: 24px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -64px;
  z-index: 20;
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--night);
  color: var(--cream);
  font-family: "Poppins", Arial, sans-serif;
  font-weight: 600;
}

.skip-link:focus-visible {
  top: 12px;
}

.site-header,
.site-footer,
.hero,
.signal-band,
.story,
.pillars,
.founders,
.vision,
.cta-panel {
  position: relative;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 0 28px;
}

.header-controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
}

.brand-lockup {
  flex-shrink: 0;
}

.brand-lockup:focus-visible,
.site-nav a:focus-visible,
.button:focus-visible,
.contact-block a:focus-visible {
  outline: 3px solid rgba(47, 91, 255, 0.42);
  outline-offset: 4px;
}

.brand-logo {
  width: min(320px, 46vw);
  height: auto;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.site-nav a,
.eyebrow,
.card-label,
.panel-kicker,
.pillar-number,
.contact-label,
.site-footer p:last-child {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.language-switcher {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border: 1px solid rgba(18, 19, 21, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(12px);
}

.lang-button {
  min-width: 44px;
  min-height: 38px;
  padding: 0 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--slate);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.lang-button:hover,
.lang-button:focus-visible {
  background: rgba(18, 19, 21, 0.08);
  color: var(--night);
  transform: translateY(-1px);
  outline: none;
}

.lang-button.is-active {
  background: var(--night);
  color: var(--cream);
}

.site-nav a {
  padding: 10px 14px;
  border: 1px solid rgba(18, 19, 21, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  backdrop-filter: blur(12px);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  border-color: var(--orange);
  background: rgba(255, 255, 255, 0.92);
}

.hero,
.story,
.pillars,
.founders,
.vision,
.cta-panel {
  margin-top: 24px;
  border: 1px solid rgba(18, 19, 21, 0.12);
  border-radius: calc(var(--radius) + 4px);
  overflow: clip;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.44));
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  min-height: 780px;
}

.hero-copy,
.story,
.pillars,
.founders,
.vision,
.cta-panel {
  min-width: 0;
  padding: clamp(28px, 5vw, 56px);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-right: clamp(12px, 2.5vw, 32px);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Poppins", Arial, sans-serif;
  line-height: 1;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(3.5rem, 9vw, 7rem);
  max-width: 10ch;
}

h2 {
  font-size: clamp(2.7rem, 5.8vw, 4.9rem);
  max-width: 11ch;
}

h3 {
  font-size: clamp(1.7rem, 3vw, 2.45rem);
}

p,
li {
  font-size: 1.03rem;
  color: var(--slate);
}

.hero-text {
  max-width: 34rem;
  margin: 20px 0 0;
}

.hero-text-lead {
  font-size: 1.22rem;
  color: var(--night);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: "Poppins", Arial, sans-serif;
  font-weight: 600;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.button-primary {
  background: var(--night);
  color: var(--cream);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--orange);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(18, 19, 21, 0.18);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--teal);
}

.hero-stage {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(18, 19, 21, 0.96), rgba(18, 19, 21, 0.86));
}

.stage-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-strong) 1px, transparent 1px);
  background-size: 38px 38px;
  opacity: 0.82;
}

.stage-orbit {
  position: absolute;
  border-radius: 999px;
  filter: blur(12px);
  opacity: 0.46;
}

.stage-orbit-orange {
  width: 18rem;
  height: 18rem;
  top: 2rem;
  right: -3rem;
  background: radial-gradient(circle, rgba(240, 101, 47, 0.84), transparent 66%);
}

.stage-orbit-teal {
  width: 26rem;
  height: 26rem;
  left: -6rem;
  bottom: -7rem;
  background: radial-gradient(circle, rgba(26, 163, 154, 0.74), transparent 62%);
}

.hero-panel,
.hero-quote {
  position: absolute;
  border-radius: var(--radius-small);
  border: 1px solid rgba(244, 239, 231, 0.16);
  backdrop-filter: blur(10px);
}

.hero-panel-primary {
  top: 10%;
  left: 8%;
  width: min(28rem, 74%);
  padding: 24px;
  background: rgba(244, 239, 231, 0.94);
}

.hero-panel-primary p:last-child,
.hero-panel-secondary p,
.hero-quote p {
  margin-bottom: 0;
}

.panel-kicker {
  margin: 0 0 14px;
  color: var(--orange);
}

.hero-panel-secondary {
  right: 8%;
  bottom: 18%;
  display: flex;
  align-items: center;
  gap: 16px;
  width: min(20rem, 52%);
  padding: 18px;
  background: rgba(18, 19, 21, 0.72);
}

.hero-panel-secondary p {
  color: var(--cream);
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 1.3rem;
  font-style: italic;
}

.hero-mark {
  width: 58px;
  height: 58px;
}

.hero-quote {
  left: 10%;
  bottom: 8%;
  width: min(30rem, 70%);
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-quote p {
  color: rgba(244, 239, 231, 0.88);
}

.signal-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 20px;
  border: 1px solid rgba(18, 19, 21, 0.12);
  border-radius: var(--radius-small);
  overflow: hidden;
  background: rgba(18, 19, 21, 0.08);
}

.signal-band p {
  margin: 0;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.74);
  font-family: "Poppins", Arial, sans-serif;
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--night);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.story-grid,
.pillar-grid,
.founder-grid,
.vision-layout {
  display: grid;
  gap: 20px;
}

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

.story-card,
.pillar-card,
.founder-card,
.vision-card {
  padding: 24px;
  border-radius: var(--radius-small);
  border: 1px solid rgba(18, 19, 21, 0.12);
  background: var(--paper);
}

.story-card-wide {
  grid-column: span 2;
}

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

.pillar-number {
  margin: 0 0 14px;
  color: var(--orange);
}

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

.founder-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.54));
}

.founder-card-highlight {
  border-color: rgba(240, 101, 47, 0.28);
  box-shadow: inset 0 0 0 1px rgba(240, 101, 47, 0.08);
}

.founder-summary {
  margin-top: 24px;
  padding: 28px;
  border-top: 2px solid rgba(18, 19, 21, 0.12);
}

.founder-summary p {
  margin: 0;
  color: var(--night);
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-style: italic;
}

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

.vision-card-wide {
  grid-column: span 2;
}

.belief-list {
  margin: 0;
  padding-left: 20px;
}

.belief-list li + li {
  margin-top: 10px;
}

.vision-close {
  margin-top: 20px;
  color: var(--night);
  font-family: "Poppins", Arial, sans-serif;
  font-weight: 600;
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 24px;
  background:
    linear-gradient(135deg, rgba(18, 19, 21, 0.96), rgba(18, 19, 21, 0.82)),
    var(--night);
  color: var(--cream);
}

.cta-panel .eyebrow,
.cta-panel h2,
.cta-panel a {
  color: var(--cream);
}

.cta-panel p {
  color: rgba(244, 239, 231, 0.78);
}

.contact-block {
  align-self: center;
  padding: 24px;
  border-radius: var(--radius-small);
  border: 1px solid rgba(244, 239, 231, 0.18);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
}

.contact-block a {
  display: inline-block;
  margin: 10px 0 14px;
  font-family: "Poppins", Arial, sans-serif;
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1;
}

.contact-note {
  margin-top: 20px;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 1.25rem;
  font-style: italic;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 24px 2px 0;
}

.site-footer p {
  margin: 0;
  font-family: "Poppins", Arial, sans-serif;
  font-size: 0.95rem;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

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

  .story-grid,
  .pillar-grid,
  .founder-grid,
  .vision-layout,
  .cta-panel,
  .signal-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .story-card-wide,
  .vision-card-wide {
    grid-column: span 2;
  }
}

@media (max-width: 760px) {
  body {
    background-size: auto, auto, 36px 36px, 36px 36px, auto;
  }

  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .site-header,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-controls {
    width: 100%;
    align-items: flex-start;
  }

  .brand-logo {
    width: min(260px, 72vw);
  }

  h1 {
    font-size: clamp(3rem, 17vw, 4.8rem);
  }

  h2 {
    font-size: clamp(2.4rem, 12vw, 3.7rem);
  }

  .hero-copy,
  .story,
  .pillars,
  .founders,
  .vision,
  .cta-panel {
    padding: 22px;
  }

  .signal-band,
  .story-grid,
  .pillar-grid,
  .founder-grid,
  .vision-layout,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  .story-card-wide,
  .vision-card-wide {
    grid-column: auto;
  }

  .hero-stage {
    min-height: 540px;
  }

  .hero-panel-primary {
    top: 6%;
    left: 5%;
    width: 90%;
  }

  .hero-panel-secondary {
    right: 5%;
    left: 5%;
    bottom: 20%;
    width: auto;
  }

  .hero-quote {
    left: 5%;
    right: 5%;
    bottom: 5%;
    width: auto;
  }
}

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

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

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