:root {
  --bg: #f8fbff;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #334155;
  --brand: #0d9488;
  --brand-dark: #0f766e;
  --line: #dbe4f0;
}

* {
  box-sizing: border-box;
}

body {
  background: radial-gradient(circle at top right, #eef7ff 0%, var(--bg) 45%, #effcf8 100%);
  color: var(--text);
  font-family: "Sora", "Manrope", "Segoe UI", sans-serif;
  margin: 0;
}

.page {
  margin: 0 auto;
  max-width: 1080px;
  padding: 2rem 1.1rem 3rem;
}

.hero {
  background: linear-gradient(130deg, #0f172a 0%, #1e293b 45%, #0d9488 100%);
  border-radius: 18px;
  box-shadow: 0 18px 44px rgba(15, 23, 42, 0.22);
  color: #f8fafc;
  padding: 1.8rem;
}

.hero h1 {
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.8rem;
}

.hero p {
  color: #dbeafe;
  line-height: 1.62;
  margin: 0;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.nav a {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  color: #ecfeff;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.35rem 0.74rem;
  text-decoration: none;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
  margin-top: 1rem;
  padding: 1.1rem;
}

.panel h2 {
  font-size: 1.25rem;
  margin: 0 0 0.6rem;
}

.panel p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 0.8rem;
}

.panel ul,
.panel ol {
  color: var(--muted);
  line-height: 1.6;
  margin: 0.4rem 0 0;
  padding-left: 1.15rem;
}

.panel li {
  margin-bottom: 0.45rem;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.8rem;
}

.cta a {
  background: var(--brand);
  border-radius: 10px;
  color: #fff;
  display: inline-block;
  font-weight: 700;
  padding: 0.55rem 0.9rem;
  text-decoration: none;
}

.cta a:hover {
  background: var(--brand-dark);
}

details {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-top: 0.6rem;
  padding: 0.8rem 0.9rem;
}

summary {
  cursor: pointer;
  font-weight: 700;
}

.plans-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  margin-top: 0.8rem;
}

.plan-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  position: relative;
}

.plan-card--featured {
  border-color: var(--brand);
  box-shadow: 0 0 0 2px rgba(13, 148, 136, 0.18);
}

.plan-badge {
  background: var(--brand);
  border-radius: 999px;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  left: 1rem;
  padding: 0.18rem 0.55rem;
  position: absolute;
  top: -0.7rem;
}

.plan-name {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.plan-price {
  color: var(--brand-dark);
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.4rem;
}

.plan-desc {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
  margin: 0 0 0.5rem;
}

.plan-card ul {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
  margin: 0;
  padding-left: 1.1rem;
}

.plan-card li {
  margin-bottom: 0.25rem;
}

@media (max-width: 768px) {
  .page {
    padding: 1.2rem 0.9rem 2rem;
  }

  .hero {
    border-radius: 14px;
    padding: 1.25rem;
  }
}