:root {
  --bg: #0b0f14;
  --panel: #111822;
  --panel-alt: #0f1620;
  --text: #e6edf3;
  --muted: #9aa7b5;
  --line: rgba(255,255,255,0.08);
  --accent: #5CDBD5;
  --accent-2: #8bf1ee;
  --shadow: 0 20px 60px rgba(0,0,0,0.35);
  --radius: 22px;
  --maxw: 1120px;
  --intro-ring-size: 400px;
  --intro-logo-ratio: 0.9875;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #000;
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 160ms ease, text-shadow 160ms ease, box-shadow 160ms ease, transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

a:hover {
  color: var(--accent);
  text-shadow: 0 0 10px rgba(92,219,213,0.45);
}

a:focus-visible,
button:focus-visible,
.button:focus-visible,
.nav-links a:focus-visible,
.small-link:focus-visible,
.brand:focus-visible {
  outline: 2px solid rgba(92,219,213,0.85);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(92,219,213,0.18);
}
img { max-width: 100%; display: block; }

.container {
  width: min(calc(100% - 32px), var(--maxw));
  margin: 0 auto;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(16px);
  background: rgba(11,15,20,0.7);
  border-bottom: 1px solid var(--line);
}

.home-page {
  --home-reveal: 0;
}

.home-page .navbar {
  position: fixed;
  left: 0;
  right: 0;
  opacity: clamp(0, calc(var(--home-reveal) * 2.4), 1);
  transform: translateY(calc((1 - var(--home-reveal)) * -10px));
  background: rgba(11,15,20, calc(0.08 + var(--home-reveal) * 0.62));
  border-bottom-color: rgba(255,255,255, calc(0.02 + var(--home-reveal) * 0.08));
  pointer-events: none;
}

.home-page.home-revealed .navbar {
  pointer-events: auto;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
}

.home-main {
  position: relative;
}

.home-intro {
  position: fixed;
  inset: 0;
  height: 100dvh;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: transparent;
  z-index: 5;
  pointer-events: none;
  opacity: calc(1 - var(--home-reveal));
}

.home-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at center, rgba(92,219,213,0.10), transparent 22%),
    radial-gradient(circle at center, rgba(92,219,213,0.06), transparent 34%);
  opacity: calc(1 - var(--home-reveal));
  pointer-events: none;
}

.intro-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--intro-ring-size);
  aspect-ratio: 1;
  opacity: calc(1 - var(--home-reveal)*5);
  transform: translate(-50%, -50%) scale(calc(0.94 + (1 - var(--home-reveal)) * 0.06));
}

.intro-ring-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  transform: rotate(-90deg);
  filter: drop-shadow(0 0 16px rgba(92,219,213,0.75)) drop-shadow(0 0 38px rgba(92,219,213,0.22));
}

.intro-ring-track,
.intro-ring-stroke {
  fill: none;
  stroke-width: 1.0;
}

.intro-ring-track {
  stroke: rgba(92,219,213,0.5);
}

.intro-ring-stroke {
  stroke: rgba(92,219,213,0.95);
  stroke-linecap: round;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: introRingDraw 500ms cubic-bezier(0.2, 0.7, 0.2, 1) 60ms forwards;
}

.intro-logo-wrap {
  position: absolute;
  left: 50%;
  top: 50%;
  width: calc(var(--intro-ring-size) * var(--intro-logo-ratio));
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  opacity: calc(1 - var(--home-reveal)*3);
  transform: translate(-50%, -50%) scale(calc(0.9 + (1 - var(--home-reveal)) * 0.08));
}

.intro-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(92,219,213,0.35));
  opacity: 0;
  transform: scale(0.94);
  animation: introLogoEnter 500ms ease 180ms forwards;
}

@keyframes introRingDraw {
  0% {
    stroke-dashoffset: 100;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes introLogoEnter {
  0% {
    opacity: 0;
    transform: scale(0.94);
    filter: drop-shadow(0 0 6px rgba(92,219,213,0.15));
  }
  100% {
    opacity: 1;
    transform: scale(1);
    filter: drop-shadow(0 0 18px rgba(92,219,213,0.35));
  }
}

.intro-hint {
  position: absolute;
  bottom: 34px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  opacity: clamp(0, calc(1 - (var(--home-reveal) * 4)), 1);
  transition: opacity 120ms linear, transform 120ms linear;
}

.home-content {
  position: center;
  z-index: 1;
  padding-top: 176px;
  opacity: 1;
  transform: translateY(calc((1 - var(--home-reveal)) * 50vh));
  pointer-events: auto;
}

.home-page .hero,
.home-page .section,
.home-page .footer {
  will-change: opacity, transform;
}

.home-page .hero,
.home-page .section,
.home-page .footer {
  opacity: 1;
  transform: translateY(calc((1 - var(--home-reveal)) * 18vh));
}

.home-page .hero-grid .panel,
.home-page .card,
.home-page .article,
.home-page .stat,
.home-page .timeline-item {
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease, background-color 200ms ease, opacity 200ms ease;
}

.home-page.home-revealed .hero-grid .panel,
.home-page.home-revealed .card,
.home-page.home-revealed .article,
.home-page.home-revealed .stat,
.home-page.home-revealed .timeline-item {
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
  transition: transform 160ms ease, text-shadow 160ms ease, opacity 160ms ease;
}

.brand:hover {
  transform: translateY(-1px);
  text-shadow: 0 0 10px rgba(92,219,213,0.35);
}

.logo {
  width: 38px;
  height: 38px;
  background: url("/assets/images/square.png") center / cover no-repeat;
}

.nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--text);
  border-color: rgba(92,219,213,0.38);
  background: rgba(92,219,213,0.10);
  box-shadow: 0 0 18px rgba(92,219,213,0.18), inset 0 0 0 1px rgba(92,219,213,0.10);
  transform: translateY(-1px);
}

.hero {
  padding: 72px 0 36px;
}

.home-page .hero {
  padding-top: 168px;
  display: grid;
  align-items: center;
}

.home-title-wrap {
  text-align: center;
  display: grid;
  place-content: center;
  justify-items: center;
  align-items: center;
  gap: 10px;
  min-height: min(58vh, 620px);
  width: min(100%, 900px);
  margin: 0 auto;
}

.home-title-wrap .kicker,
.home-title-wrap .home-title,
.home-title-wrap .home-intro-text,
.home-title-wrap .home-font-note {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.home-title {
  align-self: center;
  margin: 8px 0 4px;
  font-size: clamp(5rem, 18vw, 12rem);
  line-height: 0.92;
  letter-spacing: 0.1em;

  letter-spacing: -0.04em !important; 
  font-family: "ClashDisplay", system-ui, sans-serif !important;
  font-weight: 700;

  background: linear-gradient(180deg, #ffffff 40%, #8ae0dc 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  filter: drop-shadow(0 0 12px rgba(92,219,213,0.5)) drop-shadow(0 0 40px rgba(92,219,213,0.2)) !important;

  -webkit-font-smoothing: antialiased;
}

.font-display-default {
--home-title-font: "Sora";
}

.font-display-serif {
  --home-title-font: "Playfair Display";
}

.font-display-mono {
  --home-title-font: "JetBrains Mono";
}

.home-intro-text {
  max-width: 62ch;
  color: #d7e0e9;
  font-size: 1.08rem;
}

.home-font-note {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.home-page .hero + .section {
  margin-top: 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: stretch;
}

.panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-main {
  padding: 34px;
}

.kicker {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
}

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

h1 {
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 0.98;
  margin: 14px 0 18px;
}

.lead {
  font-size: 1.08rem;
  color: #d1d9e0;
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-weight: 600;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: rgba(92,219,213,0.55);
  background: rgba(92,219,213,0.10);
  box-shadow: 0 0 0 1px rgba(92,219,213,0.18), 0 0 20px rgba(92,219,213,0.26), 0 10px 26px rgba(0,0,0,0.35);
}

.button.primary {
  background: linear-gradient(135deg, rgba(92,219,213,0.22), rgba(139,241,238,0.16));
  border-color: rgba(92,219,213,0.45);
}

.button.primary:hover {
  background: linear-gradient(135deg, rgba(92,219,213,0.28), rgba(139,241,238,0.22));
}

.hero-side {
  padding: 28px;
  display: grid;
  gap: 18px;
}

.stat {
  padding: 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.stat strong {
  display: block;
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.section {
  padding: 18px 0 42px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section-head p {
  color: var(--muted);
  max-width: 70ch;
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 22px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  transition: transform 220ms cubic-bezier(0.2, 0.7, 0.2, 1), box-shadow 220ms cubic-bezier(0.2, 0.7, 0.2, 1), border-color 220ms cubic-bezier(0.2, 0.7, 0.2, 1), background-color 220ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.card-link {
  display: block;
  cursor: pointer;
}

.card-link:hover,
.card-link:focus-visible,
.card-link:focus-within {
  transform: translateY(-6px);
  border-color: rgba(92,219,213,0.55);
  background: rgba(92,219,213,0.08);
  box-shadow: 0 0 0 1px rgba(92,219,213,0.20), 0 0 24px rgba(92,219,213,0.22), 0 16px 34px rgba(0,0,0,0.42);
}

.card p,
.note,
.meta {
  color: var(--muted);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.badge {
  font-size: 0.82rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: #c9d4dd;
}

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

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}

.timeline-item .year {
  color: var(--accent);
  font-weight: 700;
}

.article-list {
  display: grid;
  gap: 14px;
}

.article {
  padding: 22px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}

.article h3 { margin-bottom: 8px; }
.article .meta { font-size: 0.92rem; margin-bottom: 12px; }

.video-placeholder {
  width: 100%;
  min-height: 160px;
  border: 1px dashed rgba(92,219,213,0.45);
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: rgba(255,255,255,0.02);
  padding: 14px;
}

.footer {
  padding: 34px 0 48px;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.small-link {
  color: var(--accent);
  font-weight: 600;
  transition: color 160ms ease, text-shadow 160ms ease, transform 160ms ease;
}

.small-link:hover {
  text-shadow: 0 0 10px rgba(92,219,213,0.45);
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  :root {
    --intro-ring-size: min(68vw, 320px);
  }

  .hero-grid, .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .section-head, .nav-inner {
    align-items: start;
    flex-direction: column;
  }

  .home-content {
    padding-top: 132px;
  }

  .home-page .hero {
    padding-top: 120px;
  }

  .home-title-wrap {
    min-height: min(52vh, 520px);
  }

  .home-title {
    font-size: clamp(4rem, 24vw, 7rem);
  }

  .home-page .hero + .section {
    margin-top: 28px;
  }
}