@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600&family=Space+Grotesk:wght@600;700&display=swap");

:root {
  --bg: #0f1321;
  --panel: #171c2f;
  --accent: #4bd1c8;
  --accent-dark: #2a8f8a;
  --text: #f3f2ed;
  --muted: #a9b0c2;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

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

body {
  font-family: "Plus Jakarta Sans", sans-serif;
  background: radial-gradient(circle at top, #1c2a4d 0%, var(--bg) 62%);
  color: var(--text);
  min-height: 100vh;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 8vw;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 19, 33, 0.9);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "Space Grotesk", sans-serif;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #132229;
  font-weight: 700;
}

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

.btn-ghost,
.btn-primary {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
}

.btn-primary {
  border: none;
  background: var(--accent);
  color: #0f141c;
}

.app-main {
  padding: 36px 8vw 80px;
  display: grid;
  gap: 28px;
}

.hero {
  background: linear-gradient(135deg, rgba(75, 209, 200, 0.18), rgba(23, 28, 47, 0.8));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.hero h1 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: 10px;
}

.hero p {
  color: var(--muted);
  max-width: 720px;
}

.quick-links {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.quick-links a {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
}

.card {
  background: var(--panel);
  border-radius: 20px;
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card h2 {
  font-family: "Space Grotesk", sans-serif;
  margin-bottom: 12px;
}

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

.step-grid,
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.step-card,
.info-card {
  background: rgba(10, 14, 27, 0.6);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}

.step-card h3,
.info-card h3 {
  font-family: "Space Grotesk", sans-serif;
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.step-card p,
.info-card p {
  color: var(--muted);
  font-size: 0.95rem;
}

.note {
  margin-top: 12px;
  padding: 12px 14px;
  border-left: 3px solid var(--accent);
  background: rgba(75, 209, 200, 0.08);
  color: var(--muted);
  border-radius: 12px;
}

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

details {
  background: rgba(10, 14, 27, 0.6);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 16px;
}

details summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

details summary::-webkit-details-marker {
  display: none;
}

details p {
  margin-top: 10px;
  color: var(--muted);
}

.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

@media (max-width: 720px) {
  .app-header {
    flex-direction: column;
    gap: 12px;
  }
  .header-actions {
    flex-wrap: wrap;
    justify-content: center;
  }
}