:root {
  --text: #111827;
  --muted: #4b5563;
  --border: #e5e7eb;
  --primary: #0f172a;
  --bg: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.container {
  max-width: 1200px;
  padding: 0 24px;
  margin: 0 auto;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: white;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 16px;
  position: relative;
}

.logo {
  font-weight: 700;
  font-size: 20px;
  flex: 0 0 auto;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: white;
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.nav {
  display: flex;
  align-items: center;
  gap: 12px 16px;
}

.nav a {
  text-decoration: none;
  color: var(--text);
  white-space: nowrap;
  font-weight: 600;
}

.nav .btn.primary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.header-buy {
  padding: 7px 11px;
  font-size: 13px;
  border-radius: 8px;
}

/* Hero */
.hero {
  padding: 96px 0;
}

h1 {
  font-size: 44px;
  line-height: 1.1;
  margin-bottom: 16px;
}

h2 {
  font-size: 32px;
  line-height: 1.2;
  margin-bottom: 16px;
}

p {
  margin-bottom: 16px;
}

.lead {
  font-size: 20px;
  color: var(--muted);
  max-width: 60ch;
}

.actions {
  margin: 32px 0;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
}

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

.btn.secondary {
  border: 1px solid var(--border);
  color: var(--text);
  margin-left: 12px;
}

/* Lists */
.trust {
  list-style: none;
  padding: 0;
  margin-top: 32px;
}

.trust li {
  margin-bottom: 8px;
}

/* Sections */
section {
  padding: 72px 0;
  border-top: 1px solid var(--border);
}

/* Cards / grids */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

.product-card {
  border: 2px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
  transform: scale(1.03);
}

.price {
  font-size: 34px;
  font-weight: 700;
  margin-top: 6px;
  margin-bottom: 6px;
}

.price-note {
  margin-top: 4px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--muted);
  max-width: 36ch;
  line-height: 1.4;
}

#pricing h2 {
  margin-bottom: 28px;
}

/* Support */
.support-wrap {
  max-width: 900px;
  margin: 0 auto;
}

.support-intro {
  margin-bottom: 32px;
}

.support-lead {
  font-size: 20px;
  color: var(--muted);
  max-width: 60ch;
}

.support-email {
  margin-top: 16px;
  font-size: 16px;
}

.support-email a {
  font-weight: 600;
}

/* Form */
.support-form {
  max-width: 680px;
}

.field {
  margin-bottom: 20px;
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.field input,
.field textarea {
  width: 100%;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
}

.form-status {
  font-size: 14px;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  font-size: 14px;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer-block {
  max-width: 60ch;
}

.footer-block p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0 0 8px;
}

.footer-block strong {
  color: var(--text);
  font-weight: 600;
}

.footer-block a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.footer-block a:hover {
  color: var(--text);
  border-color: var(--border);
}

.footer-muted {
  font-size: 13px;
  color: var(--muted);
  opacity: 0.85;
}

.footer-links a {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.footer-links a:hover {
  color: var(--text);
  border-color: var(--border);
}

.footer-bottom {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
  opacity: 0.85;
}



/* Mobile */
@media (max-width: 768px) {
  body {
    font-size: 17px;
  }

  .container {
    padding: 0 18px;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 18px;
    left: 18px;
    width: auto;
    background: white;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    font-size: 16px;
    font-weight: 600;
  }

  .header-buy {
    padding: 6px 10px;
    font-size: 12px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 28px;
  }

  .hero {
    padding: 64px 0;
  }

  section {
    padding: 56px 0;
  }

  .lead,
  .support-lead {
    font-size: 18px;
  }

  .product-card {
    transform: none;
  }

  .form-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn.secondary {
    margin-left: 0;
    margin-top: 10px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .footer-bottom {
    margin-top: 18px;
    padding-top: 12px;
  }
}