:root {
  --bg: #07090d;
  --bg-2: #0c1118;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.1);
  --text: #f5f7fb;
  --muted: rgba(245, 247, 251, 0.72);
  --line: rgba(255, 255, 255, 0.12);
  --accent: #61c7cf;
  --accent-strong: #8df2f7;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top, rgba(97, 199, 207, 0.16), transparent 35%),
    radial-gradient(circle at 80% 10%, rgba(141, 242, 247, 0.1), transparent 20%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.18), transparent 80%);
  pointer-events: none;
}

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 20;
  background: #fff;
  color: #000;
  padding: 10px 14px;
  border-radius: 999px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.page-shell {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 28px;
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 16px;
  margin-bottom: 26px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
  display: block;
  border-radius: 12px;
}

.brand-text {
  font-size: 1.05rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-size: 0.96rem;
  transition: color 0.2s ease, transform 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
  padding: 30px 0 18px;
}

.hero-copy h1 {
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 0.95;
  margin: 0 0 18px;
  letter-spacing: -0.05em;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
}

.lead {
  max-width: 60ch;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
  margin: 0 0 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 700;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #041013;
  border-color: transparent;
}

.button.ghost {
  background: rgba(255, 255, 255, 0.03);
}

.status-card {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  color: var(--muted);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(97, 199, 207, 0.18);
  flex: 0 0 auto;
}

.hero-panel {
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-glow {
  position: absolute;
  inset: 20px;
  border-radius: 32px;
  background: radial-gradient(circle, rgba(97, 199, 207, 0.25), transparent 60%);
  filter: blur(14px);
}

.panel-card {
  position: relative;
  width: min(100%, 410px);
  padding: 28px;
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.04));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.panel-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.84rem;
  background: rgba(97, 199, 207, 0.14);
  border: 1px solid rgba(97, 199, 207, 0.24);
  color: var(--accent-strong);
}

.panel-lines {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.panel-lines span {
  display: block;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255,255,255,0.22), rgba(255,255,255,0.06));
}

.panel-lines span:nth-child(1) {
  width: 82%;
}
.panel-lines span:nth-child(2) {
  width: 100%;
}
.panel-lines span:nth-child(3) {
  width: 68%;
}

.panel-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.section {
  margin-top: 34px;
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.section-head {
  margin-bottom: 20px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  line-height: 1.15;
}

.grid {
  display: grid;
  gap: 16px;
}

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

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

.card {
  padding: 22px;
  border-radius: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

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

.social-link {
  padding: 20px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  border: 1px solid var(--line);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.social-link:hover,
.social-link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(97, 199, 207, 0.4);
  background: rgba(255,255,255,0.08);
}

.social-title {
  display: block;
  font-weight: 700;
  font-size: 1.04rem;
  margin-bottom: 6px;
}

.social-subtitle {
  display: block;
  color: var(--muted);
  line-height: 1.5;
}

.footer {
  padding: 22px 4px 6px;
  text-align: center;
  color: rgba(245,247,251,0.62);
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

:focus-visible {
  outline: 3px solid rgba(141, 242, 247, 0.9);
  outline-offset: 3px;
  border-radius: 10px;
}

@media (max-width: 900px) {
  .hero,
  .cards-3,
  .cards-2,
  .social-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 18px;
  }

  .hero-panel {
    min-height: 280px;
  }

  .topbar {
    border-radius: 28px;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    gap: 14px;
  }
}

@media (max-width: 560px) {
  .page-shell {
    width: min(var(--max), calc(100% - 20px));
    padding-top: 10px;
  }

  .section {
    padding: 20px;
  }

  .hero-copy h1 {
    font-size: clamp(2.6rem, 18vw, 4rem);
  }

  .status-card {
    align-items: flex-start;
    border-radius: 22px;
  }
}