:root {
  --bg: #061021;
  --bg-soft: #0a1730;
  --text: #f6f7fb;
  --muted: #b4c0d9;
  --aqua: #35f6c8;
  --rose: #ff6b9d;
  --amber: #ffc04d;
  --card: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.16);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 12%, #113d58 0%, transparent 42%),
    radial-gradient(circle at 85% 20%, #3f1d4f 0%, transparent 38%),
    radial-gradient(circle at 50% 100%, #6b3c10 0%, transparent 36%),
    linear-gradient(150deg, var(--bg), var(--bg-soft));
  line-height: 1.65;
  overflow-x: hidden;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image: radial-gradient(rgba(255, 255, 255, 0.4) 0.6px, transparent 0.6px);
  background-size: 2px 2px;
  z-index: 0;
}

.shell {
  width: min(1120px, 92vw);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
}

.brand {
  font-family: "Sora", sans-serif;
  letter-spacing: 0.08em;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}

.lang-btn {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.lang-btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.12);
}

.hero {
  padding-bottom: 80px;
}

.hero-grid {
  margin-top: 52px;
  display: grid;
  gap: 24px;
  grid-template-columns: 1.2fr 0.8fr;
}

.kicker {
  margin: 0;
  color: var(--aqua);
  letter-spacing: 0.08em;
  font-size: 0.88rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

.hero-main h1 {
  margin-top: 10px;
  font-size: clamp(2rem, 5vw, 4.1rem);
  font-weight: 900;
}

.lead {
  margin-top: 16px;
  color: var(--muted);
  max-width: 62ch;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-tags span {
  font-family: "Sora", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  background: rgba(255, 255, 255, 0.06);
}

.signal-card {
  background: linear-gradient(160deg, rgba(53, 246, 200, 0.1), rgba(255, 107, 157, 0.12));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
}

.signal-title {
  margin: 0;
  font-family: "Sora", sans-serif;
  color: var(--amber);
  letter-spacing: 0.06em;
}

.signal-card ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.signal-card li {
  margin-top: 10px;
  padding-left: 16px;
  position: relative;
}

.signal-card li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--aqua);
  position: absolute;
  left: 0;
  top: 10px;
}

.pulse {
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--rose);
  box-shadow: 0 0 0 rgba(255, 107, 157, 0.75);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 107, 157, 0.7);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(255, 107, 157, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 107, 157, 0);
  }
}

.section {
  margin-top: 34px;
  padding: 28px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow);
  backdrop-filter: blur(4px);
}

.section-head p {
  color: var(--muted);
}

.lane-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.lane-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
  padding: 18px;
  transition: transform 0.24s ease, border-color 0.24s ease;
}

.lane-card:hover {
  transform: translateY(-3px);
  border-color: rgba(53, 246, 200, 0.5);
}

.lane-card h3 {
  font-family: "Sora", sans-serif;
  color: var(--amber);
  font-size: 1.2rem;
}

.lane-card p {
  margin: 10px 0 4px;
  font-weight: 700;
}

.lane-card small {
  color: var(--muted);
}

.support {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

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

.support-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.support-cards article {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
}

.support-cards h3 {
  font-family: "Sora", sans-serif;
  color: var(--aqua);
  font-size: 1rem;
}

.support-cards p {
  margin: 8px 0 0;
  font-size: 0.93rem;
}

footer {
  padding: 34px 0 42px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-family: "Sora", sans-serif;
  font-size: 0.88rem;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .lane-grid,
  .support-cards {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 22px;
  }

  footer {
    gap: 10px;
    flex-direction: column;
  }
}