@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:wght@400;600;700;800;900&display=swap');

:root {
  --navy: #07162e;
  --navy-2: #0b2146;
  --blue: #127bff;
  --cyan: #20d6ff;
  --card: #f7fbff;
  --text: #0b1b33;
  --muted: #6b7a90;
  --success: #35d98b;
  --warning: #ffd166;
  --error: #ff5c7a;
  --line: rgba(32, 214, 255, 0.12);
  --shadow: 0 24px 60px rgba(7, 22, 46, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Nunito Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(18, 123, 255, 0.22), transparent 28%),
    radial-gradient(circle at 85% 0%, rgba(32, 214, 255, 0.16), transparent 24%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 48%, #08152d 100%);
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  color: var(--cyan);
}

.page-shell {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: white;
}

.brand img {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}

.brand-copy strong {
  display: block;
  font-size: 1.15rem;
  font-weight: 900;
}

.brand-copy span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.92rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: white;
  font-size: 0.92rem;
  font-weight: 800;
}

.nav-link:hover,
.nav-link.is-active {
  color: white;
  border-color: rgba(32, 214, 255, 0.55);
  background: linear-gradient(135deg, rgba(18, 123, 255, 0.85), rgba(32, 214, 255, 0.75));
}

.hero-card,
.content-card,
.info-grid article {
  background: rgba(247, 251, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 32px;
  margin-bottom: 22px;
}

.hero-card h1,
.content-card h1,
.content-card h2 {
  margin: 0 0 12px;
  line-height: 1.1;
}

.hero-card h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-card p,
.content-card p,
.content-card li {
  color: var(--muted);
  line-height: 1.65;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 16px;
  border: 0;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.button-primary {
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 12px 28px rgba(18, 123, 255, 0.28);
}

.button-secondary {
  color: var(--text);
  background: white;
  border: 1px solid var(--line);
}

.content-card {
  padding: 28px;
  margin-bottom: 18px;
}

.content-card h2 {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text);
}

.content-card ul {
  margin: 0;
  padding-left: 20px;
}

.content-card li + li {
  margin-top: 8px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.info-grid article {
  padding: 22px;
}

.info-grid h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 900;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(18, 123, 255, 0.08);
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 900;
}

.site-footer {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.88rem;
  font-weight: 700;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  justify-content: space-between;
}

.site-footer a {
  color: var(--cyan);
}

@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-card,
  .content-card {
    padding: 22px;
  }
}