:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --ink: #0f1f35;
  --ink-muted: #4d5d78;
  --primary: #0d3b78;
  --primary-strong: #07274f;
  --border: #c9d7ea;
  --accent: #b7872f;
  --radius: 14px;
  --shadow: 0 10px 26px rgba(6, 20, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", Tahoma, sans-serif;
  color: var(--ink);
  line-height: 1.5;
  background:
    radial-gradient(circle at top right, rgba(13, 59, 120, 0.12), transparent 35%),
    linear-gradient(180deg, #f7f9fd 0%, var(--bg) 55%, #eef3fb 100%);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 249, 253, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(201, 215, 234, 0.7);
}

.nav-wrap {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.3rem;
}

.nav-list a {
  text-decoration: none;
  color: var(--ink-muted);
  font-weight: 600;
}

.nav-list a:hover {
  color: var(--primary);
}

.hero {
  padding: 5.4rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 2rem;
  align-items: start;
}

.eyebrow {
  margin: 0 0 0.8rem;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--primary);
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: clamp(2rem, 5vw, 3.1rem);
  max-width: 14ch;
}

h2 {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.lead {
  margin: 1rem 0 0;
  max-width: 58ch;
  color: var(--ink-muted);
  font-size: 1.06rem;
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 200ms ease, background 200ms ease, color 200ms ease;
}

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

.btn-primary {
  background: linear-gradient(180deg, var(--primary), var(--primary-strong));
  color: #fff;
}

.btn-ghost {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.72);
  color: var(--primary);
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem;
  animation: rise 500ms ease both;
}

.hero-card h2 {
  font-size: 1.2rem;
  margin-bottom: 0.7rem;
}

.hero-card ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--ink-muted);
}

.section {
  padding: 2.4rem 0;
}

.section-intro {
  margin: 0.75rem 0 0;
  color: var(--ink-muted);
}

.plan-grid {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.price {
  margin: 0.8rem 0 0.55rem;
  font-size: 1.75rem;
  font-family: "IBM Plex Serif", Georgia, serif;
  color: var(--primary);
}

.price span {
  font-size: 0.95rem;
  color: var(--ink-muted);
}

.band {
  background: linear-gradient(180deg, rgba(13, 59, 120, 0.06), rgba(13, 59, 120, 0.01));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1.4rem;
  align-items: center;
}

.metric-boxes {
  display: grid;
  gap: 0.7rem;
}

.metric {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 0.8rem 0.9rem;
}

.metric strong {
  font-size: 1rem;
  display: block;
}

.metric span {
  color: var(--ink-muted);
}

.cta-panel {
  background: #0e2f5d;
  color: #eaf0fb;
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
  animation: rise 650ms ease both;
}

.cta-panel h3 {
  margin-top: 0.8rem;
}

.cta-panel p {
  color: #c9d6ec;
}

.cta-panel .btn-primary {
  margin-top: 0.5rem;
  background: #fff;
  color: #0e2f5d;
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 1.6rem;
  padding: 1.2rem 0 2rem;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--ink-muted);
  flex-wrap: wrap;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 880px) {
  .nav-wrap {
    min-height: 62px;
  }

  .hero {
    padding-top: 4.2rem;
  }

  .hero-grid,
  .split,
  .plan-grid {
    grid-template-columns: 1fr;
  }

  .nav-list {
    gap: 0.95rem;
    font-size: 0.94rem;
  }
}