@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&display=swap');

:root {
  --space-bg: #0a0a2e;
  --space-bg-light: #0f0f35;
  --space-bg-card: rgba(255,255,255,0.04);
  --space-border: rgba(255,255,255,0.08);
  --space-border-hover: rgba(255,255,255,0.15);

  --text-primary: #e0e0e0;
  --text-secondary: #8888aa;
  --text-muted: #666688;

  --blue: #58C4FF;
  --pink: #FF66C4;
  --amber: #FFB84D;
  --coral: #FF6B6B;
  --green: #7ED957;
  --purple: #8C52FF;
  --yellow: #FFD93D;
  --gold: #FFD700;
  --orange: #FF9F1C;

  --brand-gradient: linear-gradient(135deg, var(--blue), var(--pink), var(--amber));
  --gradient-blue-purple: linear-gradient(135deg, var(--blue), var(--purple));
  --gradient-green-blue: linear-gradient(135deg, var(--green), var(--blue));
  --gradient-coral-amber: linear-gradient(135deg, var(--coral), var(--amber));

  --font-heading: 'Fredoka', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --maxw: 1100px;
  --nav-height: 64px;
  --radius: 12px;
  --radius-sm: 8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-primary);
  background: var(--space-bg);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-dark {
  background: var(--space-bg-light);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
}

p { color: var(--text-secondary); }

.section-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--blue);
  display: block;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 16px;
  color: #fff;
}

.section-sub {
  font-size: 1.1rem;
  max-width: 640px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.section-title-center, .section-sub-center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.section-label-center {
  justify-content: center;
}
.section-label-center::before { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.15s;
}
.btn:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-primary {
  background: var(--gradient-blue-purple);
  color: #fff;
}

.btn-secondary {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-cta {
  background: var(--gradient-green-blue);
  color: #fff;
}

.btn-zap {
  background: var(--gradient-coral-amber);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,0.12);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--space-bg-card);
  border: 1px solid var(--space-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover {
  border-color: var(--space-border-hover);
  transform: translateY(-2px);
}

.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-title {
  font-size: 1.15rem;
  color: #fff;
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.page-header {
  text-align: center;
  padding: 120px 24px 60px;
}

.page-header h1 {
  font-size: 2.5rem;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-secondary);
}

.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font-heading);
}

@media (max-width: 860px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .section-title { font-size: 1.7rem; }
  .page-header { padding: 100px 24px 40px; }
  .page-header h1 { font-size: 2rem; }
}

.gradient-text {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}