@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&display=swap');

:root {
  --bg: #07111f;
  --card: rgba(255, 255, 255, 0.12);
  --card-border: rgba(255, 255, 255, 0.22);
  --text: #f7fbff;
  --muted: #b7c8dc;
  --accent: #70e1f5;
  --accent-2: #ffd194;
  --deep: #0e2544;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: 'Inter', system-ui, sans-serif;
  background:
    radial-gradient(circle at 20% 20%, rgba(112, 225, 245, 0.22), transparent 30%),
    radial-gradient(circle at 80% 10%, rgba(255, 209, 148, 0.18), transparent 28%),
    linear-gradient(135deg, var(--bg), #10294a 55%, #081526);
  color: var(--text);
  overflow-x: hidden;
}

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

.bg-animation {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}

.bg-animation span {
  position: absolute;
  width: 160px;
  height: 160px;
  background: linear-gradient(135deg, rgba(112, 225, 245, 0.2), rgba(255, 209, 148, 0.14));
  border-radius: 40%;
  filter: blur(2px);
  animation: float 18s infinite ease-in-out;
}

.bg-animation span:nth-child(1) { left: 8%; top: 20%; animation-delay: 0s; }
.bg-animation span:nth-child(2) { left: 75%; top: 18%; animation-delay: 3s; }
.bg-animation span:nth-child(3) { left: 55%; top: 70%; animation-delay: 6s; }
.bg-animation span:nth-child(4) { left: 20%; top: 78%; animation-delay: 9s; }
.bg-animation span:nth-child(5) { left: 88%; top: 60%; animation-delay: 12s; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg) scale(1); }
  50% { transform: translateY(-55px) rotate(160deg) scale(1.12); }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 18px 7%;
  backdrop-filter: blur(18px);
  background: rgba(7, 17, 31, 0.58);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #07111f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 35px rgba(112, 225, 245, 0.24);
}

.nav-links {
  display: flex;
  gap: 14px;
}

.nav-links a {
  position: relative;
  padding: 12px 18px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
  transition: color 0.3s ease, transform 0.3s ease;
}

.nav-links a::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(112, 225, 245, 0.22), rgba(255, 209, 148, 0.2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
  z-index: -1;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  transform: translateY(-3px);
}

.nav-links a:hover::before,
.nav-links a.active::before {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  border: 0;
  background: var(--card);
  color: var(--text);
  font-size: 28px;
  border-radius: 12px;
  padding: 7px 12px;
  cursor: pointer;
}

.hero {
  min-height: 82vh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 42px;
  align-items: center;
  padding: 70px 7%;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 4px;
  font-size: 0.82rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.hero h1,
.page-card h1 {
  font-size: clamp(2.8rem, 7vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: -4px;
  margin-bottom: 26px;
}

.hero-text,
.page-intro {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.16rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 15px 24px;
  font-weight: 800;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.btn:hover {
  transform: translateY(-5px) scale(1.02);
}

.primary {
  color: #07111f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 15px 40px rgba(112, 225, 245, 0.22);
}

.secondary {
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.08);
}

.glass-card,
.page-card,
.feature-card,
.download-panel,
.info-item {
  border: 1px solid var(--card-border);
  background: var(--card);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(20px);
}

.glass-card {
  position: relative;
  overflow: hidden;
  padding: 44px;
  border-radius: 34px;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.glass-card h2 {
  font-size: 2.4rem;
  margin-bottom: 15px;
}

.glass-card p,
.feature-card p,
.info-item p,
.download-panel p {
  color: var(--muted);
  line-height: 1.7;
}

.orb {
  position: absolute;
  top: 45px;
  right: 45px;
  width: 135px;
  height: 135px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  animation: pulse 3.5s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 40px rgba(112, 225, 245, 0.35); }
  50% { transform: scale(1.12); box-shadow: 0 0 70px rgba(255, 209, 148, 0.45); }
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  padding: 0 7% 70px;
}

.feature-card {
  padding: 28px;
  border-radius: 26px;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.page-main {
  min-height: 75vh;
  display: grid;
  place-items: center;
  padding: 70px 7%;
}

.page-card {
  width: min(100%, 980px);
  padding: clamp(30px, 6vw, 64px);
  border-radius: 36px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 34px;
}

.info-item {
  padding: 26px;
  border-radius: 24px;
}

.info-item h2,
.download-panel h2 {
  margin-bottom: 10px;
}

.info-item a {
  color: var(--accent);
  font-weight: 800;
}

.download-panel {
  margin-top: 34px;
  padding: 28px;
  border-radius: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

footer {
  text-align: center;
  padding: 28px;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.delay {
  transition-delay: 0.18s;
}

@media (max-width: 820px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 86px;
    right: 7%;
    width: min(280px, 86vw);
    display: none;
    flex-direction: column;
    padding: 18px;
    border-radius: 24px;
    background: rgba(7, 17, 31, 0.95);
    border: 1px solid var(--card-border);
  }

  .nav-links.open {
    display: flex;
  }

  .hero,
  .features,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 48px;
  }

  .download-panel {
    align-items: stretch;
    flex-direction: column;
  }

  .download-btn {
    width: 100%;
  }
}