:root {
  --bg: #0b1226;
  --fg: #f7f8fb;
  --muted: #c8cee2;
  --accent: #7af0c5;
  --accent-2: #8ad1ff;
  --surface: rgba(255, 255, 255, 0.05);
  --card: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --font: "Space Grotesk", "Manrope", system-ui, -apple-system, sans-serif;
}

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

body {
  margin: 0;
  background: radial-gradient(circle at 20% 20%, rgba(122, 240, 197, 0.15), transparent 35%),
              radial-gradient(circle at 80% 10%, rgba(138, 209, 255, 0.18), transparent 35%),
              radial-gradient(circle at 60% 80%, rgba(122, 240, 197, 0.12), transparent 35%),
              var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(11, 18, 38, 0.72);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  gap: 12px;
  align-items: center;
}

.nav__links a {
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.nav__links a:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px 96px;
}

.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 20px 48px;
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 28px;
  align-items: center;
}

.hero__content h1 {
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  margin: 12px 0;
  letter-spacing: -0.02em;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 32ch;
}

.hero__actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.hero__card {
  background: linear-gradient(135deg, rgba(122, 240, 197, 0.12), rgba(138, 209, 255, 0.12));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 20px 20px 16px;
}

.hero__card h3 {
  margin-top: 0;
}

.hero__card ul {
  padding-left: 18px;
  margin: 12px 0;
  color: var(--muted);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--fg);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: transform 0.1s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0c1220;
  box-shadow: 0 12px 30px rgba(122, 240, 197, 0.35);
}

.btn.ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.section {
  margin-top: 72px;
}

.section.alt {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
}

.section__header h2 {
  margin: 8px 0 6px;
  font-size: clamp(1.7rem, 2.4vw, 2rem);
}

.section__header p {
  color: var(--muted);
  max-width: 56ch;
}

.label {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid.three {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.card h4 {
  margin: 12px 0 6px;
}

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

.stack ol,
.stack ul {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 8px;
}

.tips {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.tip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
}

.tip span {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #0c1220;
  border-radius: 50%;
  font-weight: 700;
}

.resources .card.resource .link {
  display: inline-flex;
  margin-right: 10px;
  margin-top: 8px;
  color: var(--accent-2);
  font-weight: 600;
}

.note {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px dashed var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
}

.footer {
  max-width: 1100px;
  margin: 48px auto 16px;
  padding: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.footer__content h3 {
  margin: 0 0 4px;
}

.footer__content p {
  margin: 0;
  color: var(--muted);
}

.form {
  display: grid;
  gap: 14px;
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.field input,
.field textarea {
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--fg);
  font-family: var(--font);
  font-size: 1rem;
}

.field textarea {
  resize: vertical;
}

.field.checkbox label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.field.checkbox input {
  width: auto;
  accent-color: var(--accent);
}

.muted {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

.disclaimer {
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
  padding: 16px 20px 28px;
}

@media (max-width: 880px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .hero__card {
    order: -1;
  }
}

@media (max-width: 640px) {
  body {
    background: var(--bg);
  }
  .hero {
    padding-top: 36px;
  }
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}