:root {
  --bg: #07111f;
  --panel: #0b1829;
  --panel2: #091522;
  --text: #f8fafc;
  --muted: #94a3b8;
  --cyan: #67e8f9;
  --blue: #60a5fa;
  --line: rgba(255, 255, 255, .10);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

button,
input {
  font: inherit;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: auto;
}

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  background: rgba(7, 17, 31, .92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.language-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 36px;
}

.language-nav label,
.language-nav .language-nav-label {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.language-nav select {
  width: min(100%, 360px);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 9px 12px;
  background: rgba(11, 24, 41, .95);
  color: white;
  font: inherit;
}

.language-nav a {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 9px 12px;
  background: rgba(11, 24, 41, .95);
  color: #e2e8f0;
  text-decoration: none;
  font-size: 14px;
}

.language-nav a:hover {
  color: white;
  border-color: #7dd3fc;
}

.language-nav a[aria-current="page"] {
  border-color: #7dd3fc;
  color: #7dd3fc;
}

.brand {
  display: flex;
  gap: 11px;
  align-items: center;
}

.mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(103, 232, 249, .3);
  border-radius: 12px;
  background: rgba(103, 232, 249, .1);
  color: var(--cyan);
  font-weight: 800;
}

.brand strong {
  display: block;
  font-size: 15px;
  letter-spacing: .16em;
}

.brand small {
  display: block;
  color: #64748b;
  font-size: 14px;
  letter-spacing: .20em;
}

.links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: #cbd5e1;
}

.links a:hover {
  color: white;
}

.burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, .04);
  color: white;
}

.mobile {
  display: none;
  border-top: 1px solid var(--line);
  padding: 8px 20px 16px;
}

.mobile.open {
  display: block;
}

.mobile a {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  color: #e2e8f0;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 150px 0 100px;
  background:
    radial-gradient(circle at 15% 20%, rgba(34, 211, 238, .12), transparent 30%),
    radial-gradient(circle at 85% 12%, rgba(59, 130, 246, .12), transparent 32%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 68px;
  align-items: center;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid rgba(103, 232, 249, .2);
  border-radius: 999px;
  color: #a5f3fc;
  background: rgba(103, 232, 249, .05);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .20em;
  text-transform: uppercase;
}

.pill:before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

h1 {
  font-size: clamp(48px, 7vw, 78px);
  line-height: .98;
  letter-spacing: -.055em;
  margin: 24px 0;
}

.gradient {
  display: block;
  color: var(--cyan);
  background: linear-gradient(90deg, #a5f3fc, #7dd3fc, #60a5fa);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lead {
  max-width: 670px;
  color: #cbd5e1;
  font-size: 18px;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 21px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 700;
  font-size: 14px;
}

.btn.primary {
  background: var(--cyan);
  color: #06101d;
  border-color: var(--cyan);
}

.btn.secondary {
  background: rgba(255, 255, 255, .04);
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.stats b {
  display: block;
  font-size: 28px;
}

.stats span {
  display: block;
  margin-top: 4px;
  font-size: 15px;
  line-height: 1.3;
  color: #94a3b8;
}

.monitor,
.card {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(11, 24, 41, .93);
  box-shadow: 0 25px 60px rgba(0, 0, 0, .25);
}

.monitor-head {
  display: flex;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.monitor-head small {
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: .18em;
}

.status {
  color: #6ee7b7;
  font-size: 14px;
}

.monitor-body {
  padding: 20px;
}

.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 15px;
  margin: 9px 0;
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 15px;
  background: rgba(255, 255, 255, .025);
  font-size: 14px;
}

.row i {
  font-style: normal;
  color: #64748b;
  font-size: 14px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  display: inline-block;
  margin-right: 10px;
}

.note {
  margin-top: 14px;
  padding: 15px;
  border: 1px solid rgba(103, 232, 249, .15);
  border-radius: 15px;
  background: rgba(103, 232, 249, .045);
  color: #cbd5e1;
  font-size: 15px;
}

section {
  padding: 96px 0;
}

.shade {
  background: var(--panel2);
  border-top: 1px solid rgba(255, 255, 255, .06);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}

h2 {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.08;
  letter-spacing: -.04em;
  margin: 18px 0;
}

h3 {
  margin: 0;
  font-size: 21px;
}

.muted {
  color: var(--muted);
}

.two {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 64px;
}

.stack {
  display: grid;
  gap: 14px;
}

.process {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, .025);
}

.icon {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  background: rgba(103, 232, 249, .1);
  color: var(--cyan);
  font-weight: 800;
}

.process p,
.practice p,
.letter p,
.person p {
  color: #94a3b8;
  font-size: 14px;
  margin: 8px 0 0;
}

.grid2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-top: 40px;
}

.practice {
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
}

.evidence {
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
  margin-top: 15px;
}

.evidence > div {
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
}

.questions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 22px;
}

.q {
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 14px;
  color: #cbd5e1;
  font-size: 15px;
}

.warning {
  background: rgba(251, 191, 36, .04) !important;
  border-color: rgba(251, 191, 36, .17) !important;
}

.letter-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-top: 40px;
}

.letter {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, .025);
}

.letter-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.num {
  font-size: 38px;
  color: #334155;
}

.date {
  font-size: 14px;
  color: #94a3b8;
}

.letter h3 {
  margin-top: 26px;
}

.team {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.person {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-top: 40px;
}

.program {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
  display: flex;
  flex-direction: column;
}

.program .who {
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.program h3 {
  margin-top: 14px;
}

.program ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: #94a3b8;
  font-size: 14px;
}

.program li {
  margin: 8px 0;
}

.program .start,
.program-hero .start,
.showcase .start {
  margin-top: 16px;
  color: #cbd5e1;
  font-size: 14px;
}

.program .actions {
  margin-top: auto;
}

#programs .program {
  display: block;
}

#programs .program .who {
  letter-spacing: .16em;
}

#programs .program p,
#programs .program li {
  color: #94a3b8;
  font-size: 14px;
}

#programs .program .start {
  color: #cbd5e1;
}

#programs .program .actions {
  margin-top: 18px;
}

.avatar {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(103, 232, 249, .1);
  color: var(--cyan);
  display: grid;
  place-items: center;
  font-weight: 800;
}

.role {
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.cta {
  padding: 45px;
  border: 1px solid rgba(103, 232, 249, .17);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(103, 232, 249, .08), #0b1829, rgba(96, 165, 250, .08));
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 25px;
}

.footer {
  padding: 36px 0;
  border-top: 1px solid var(--line);
  color: #94a3b8;
  font-size: 14px;
}

.program-page {
  padding: 120px 0 56px;
}

.program-page .language-nav {
  margin-bottom: 20px;
}

.program-page ~ section {
  padding-top: 64px;
  padding-bottom: 64px;
}

.program-page ~ section:last-of-type {
  padding-bottom: 80px;
}

.program-back {
  display: inline-flex;
  margin-bottom: 22px;
  color: #94a3b8;
  font-size: 14px;
}

.program-back:hover {
  color: white;
}

.program-hero h1 {
  font-size: clamp(36px, 5vw, 58px);
  margin: 16px 0 18px;
}

.program-hero .lead {
  max-width: 760px;
}

.program-points {
  margin: 28px 0 0;
  color: #cbd5e1;
}

.program-points p {
  margin: 10px 0;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-top: 40px;
}

.showcase {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
}

.showcase .tag {
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.showcase h3 {
  margin-top: 14px;
}

.showcase p,
.showcase li {
  color: #94a3b8;
  font-size: 14px;
}

.showcase ul {
  margin: 14px 0 0;
  padding-left: 18px;
}

.showcase li {
  margin: 8px 0;
}

.showcase .actions {
  margin-top: 18px;
}

.more-programs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-top: 40px;
}

@media (max-width: 800px) {
  .links {
    display: none;
  }

  .burger {
    display: grid;
    place-items: center;
  }

  .hero {
    padding: 118px 0 72px;
  }

  .hero-grid,
  .two,
  .evidence {
    grid-template-columns: 1fr;
  }

  .grid2,
  .letter-grid {
    grid-template-columns: 1fr;
  }

  .team,
  .program-grid,
  .showcase-grid,
  .more-programs {
    grid-template-columns: 1fr;
  }

  .program-page {
    padding: 104px 0 44px;
  }

  .program-page ~ section {
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .program-page ~ section:last-of-type {
    padding-bottom: 64px;
  }

  .cta {
    display: block;
  }

  .monitor {
    margin-top: 5px;
  }

  .cta .btn {
    margin-top: 22px;
  }

  .container {
    width: min(100% - 30px, var(--max));
  }

  section {
    padding: 72px 0;
  }

  .lead {
    font-size: 16px;
  }

  .process {
    grid-template-columns: 48px 1fr;
  }

  .icon {
    width: 46px;
    height: 46px;
  }
}

html[lang^="zh"] .pill,
html[lang^="zh"] .role,
html[lang^="zh"] .program .who {
  letter-spacing: .08em;
  text-transform: none;
}

html[lang="zh-Hant"] body {
  font-family: Inter, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", ui-sans-serif, system-ui, sans-serif;
}

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

html[lang="ja"] .pill,
html[lang="ja"] .role,
html[lang="ja"] .program .who,
html[lang="ko"] .pill,
html[lang="ko"] .role,
html[lang="ko"] .program .who,
html[lang="th"] .pill,
html[lang="th"] .role,
html[lang="th"] .program .who {
  letter-spacing: .08em;
  text-transform: none;
}

html[lang="ja"] body {
  font-family: Inter, "Noto Sans JP", "Hiragino Sans", "Yu Gothic", "Meiryo", ui-sans-serif, system-ui, sans-serif;
}

html[lang="ko"] body {
  font-family: Inter, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", ui-sans-serif, system-ui, sans-serif;
}

html[lang="th"] body {
  font-family: Inter, "Noto Sans Thai", "Leelawadee UI", "Tahoma", ui-sans-serif, system-ui, sans-serif;
  line-height: 1.7;
}