:root {
  --bg: #071b2c;
  --bg-accent: #133a52;
  --card: #0f2a3f;
  --card-border: #2f5876;
  --text: #edf5ff;
  --muted: #b3c6da;
  --primary: #35d0ff;
  --primary-dark: #0ea1d1;
  --highlight: #89ffcc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.page-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 10% 10%, #1d4d67 0%, transparent 35%),
    radial-gradient(circle at 90% 20%, #1d3758 0%, transparent 40%),
    radial-gradient(circle at 50% 85%, #18485f 0%, transparent 45%),
    linear-gradient(130deg, var(--bg) 10%, #051321 100%);
  z-index: -1;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 64px 24px 40px;
}

.hero {
  text-align: center;
  animation: fade-slide 500ms ease both;
}

.badge {
  display: inline-block;
  margin: 0 0 12px;
  border: 1px solid #3b6a8b;
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--highlight);
  background: rgba(14, 38, 58, 0.72);
}

h1,
h2,
h3 {
  font-family: "Syne", sans-serif;
  margin: 0;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.subtitle {
  margin: 20px auto 0;
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.25rem);
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 700;
  transition: transform 140ms ease, background-color 140ms ease, box-shadow 140ms ease;
}

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

.btn-primary {
  background: linear-gradient(120deg, var(--primary), #5af8d8);
  color: #03253a;
  box-shadow: 0 10px 28px rgba(53, 208, 255, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(120deg, var(--primary-dark), #4ddcbf);
}

.btn-ghost {
  border: 1px solid #4a6f8f;
  color: var(--text);
  background: rgba(7, 23, 37, 0.4);
}

.plans {
  margin-top: 48px;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.plan {
  position: relative;
  border: 1px solid var(--card-border);
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(22, 55, 80, 0.9), rgba(11, 27, 43, 0.95));
  padding: 24px;
  animation: fade-slide 600ms ease both;
}

.plan-featured {
  border-color: #65c5dd;
  box-shadow: 0 18px 42px rgba(79, 202, 230, 0.16);
}

.plan-tag {
  position: absolute;
  right: 18px;
  top: 16px;
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  color: #0b3f53;
  background: #89ffcc;
  border-radius: 999px;
  padding: 5px 10px;
}

.price {
  margin: 14px 0 16px;
  font-size: 2rem;
  font-weight: 800;
}

.price span {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 500;
}

ul {
  margin: 0 0 20px;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.5;
}

.faq {
  margin-top: 56px;
}

.faq h2 {
  font-size: 1.8rem;
  margin-bottom: 18px;
}

.faq-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.faq-grid article {
  border: 1px solid #2e516e;
  border-radius: 14px;
  padding: 16px;
  background: rgba(13, 34, 52, 0.76);
}

.faq-grid h3 {
  font-size: 1.05rem;
}

.faq-grid p {
  margin: 8px 0 0;
  color: var(--muted);
}

.site-footer {
  margin-top: 44px;
  color: var(--muted);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
}

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

@keyframes fade-slide {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 860px) {
  .plans,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding-top: 50px;
  }
}