:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-2: #eef3f9;
  --text: #1f2937;
  --muted: #5b6472;
  --primary: #0f766e;
  --primary-dark: #0b5e58;
  --accent: #2563eb;
  --border: #d7e0ea;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, #f7fafc 0%, #edf4fb 100%);
  color: var(--text);
  line-height: 1.65;
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
}

header {
  background: linear-gradient(135deg, #0f766e 0%, #2563eb 100%);
  color: white;
  padding: 28px 0 36px;
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  font-size: 1.9rem;
  font-weight: 700;
  margin: 0;
}

.tagline {
  margin: 8px 0 0;
  max-width: 700px;
  color: rgba(255, 255, 255, 0.92);
}

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

.nav a {
  color: white;
  text-decoration: none;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.16);
}

.call-box {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 14px;
  padding: 14px 18px;
  font-weight: 700;
  white-space: nowrap;
}

.call-box a {
  color: white;
  text-decoration: none;
}

main {
  padding: 30px 0 50px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  margin-bottom: 22px;
  box-shadow: var(--shadow);
}

.hero-card {
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
}

h1, h2, h3 {
  color: var(--text);
  margin-top: 0;
}

h2 {
  margin-bottom: 14px;
}

.lead {
  font-size: 1.08rem;
  color: var(--muted);
}

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

ul {
  padding-left: 20px;
  margin: 0;
}

li + li {
  margin-top: 8px;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.button {
  display: inline-block;
  text-decoration: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 700;
}

.button-primary {
  background: var(--primary);
  color: white;
}

.button-primary:hover {
  background: var(--primary-dark);
}

.button-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.note {
  background: #ecfeff;
  border-left: 5px solid var(--primary);
  padding: 14px 16px;
  border-radius: 12px;
}

footer {
  color: var(--muted);
  text-align: center;
  padding: 10px 24px 40px;
}

a {
  color: var(--accent);
}

@media (max-width: 720px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .brand {
    font-size: 1.6rem;
  }

  .container {
    padding: 18px;
  }

  .price-box {
  background: #ecfeff;
  border: 2px solid #0f766e;
  border-radius: 14px;
  padding: 18px;
  margin: 20px 0;
  text-align: center;
}

.price-box .price {
  font-size: 28px;
  font-weight: bold;
  color: #0f766e;
}

.price-box .note {
  margin-top: 6px;
  color: #555;
  font-size: 14px;
}

  .card {
    padding: 18px;
  }
}

.price-card{
  background:#f0fdf4;
  border:2px solid #10b981;
  border-radius:14px;
  padding:20px;
  margin:20px 0 10px 0;
}

.price-main{
  font-size:34px;
  font-weight:800;
  color:#065f46;
  margin-bottom:6px;
}

.price-sub{
  font-size:16px;
  color:#374151;
}

.price-compare{
  margin-top:10px;
  font-size:14px;
  color:#6b7280;
}