:root {
  --bg: #ffffff;
  --text: #22252b;
  --muted: #727986;
  --border: #e4e5e8;
  --surface: #f6f7f8;
  --premium-accent: #3f638f;
  --premium-accent-hover: #34557d;
  --premium-accent-soft: #eef3f8;
  --premium-accent-border: #9fb3cc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
}

.prem-shell {
  width: min(100%, 1200px);
  margin: 0 auto;
  padding: 72px 32px 80px;
}

.prem-brand {
  display: inline-block;
  margin-bottom: 36px;
  color: var(--text);
  text-decoration: none;
  font: 700 18px/1.1 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ── Hero ── */

.prem-hero {
  padding-bottom: 52px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 52px;
}

.prem-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--surface);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}

.prem-title {
  margin: 0 0 18px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(36px, 5.5vw, 56px);
  line-height: 1;
  letter-spacing: -0.05em;
  font-weight: 800;
  color: var(--text);
}

.prem-lead {
  margin: 0;
  max-width: 580px;
  font-size: 20px;
  line-height: 1.6;
  color: var(--muted);
}

/* ── Section headings ── */

.prem-section-heading {
  margin: 0 0 28px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* ── Features grid ── */

.prem-features {
  margin-bottom: 64px;
}

.prem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.prem-features-footer {
  margin-top: 24px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 640px;
}

.prem-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  transition: border-color 0.15s;
}

.prem-card:hover {
  border-color: #c4c7cc;
}

.prem-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--surface);
  margin-bottom: 16px;
  color: var(--text);
  flex-shrink: 0;
}

.prem-card-title {
  margin: 0 0 8px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.prem-card-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}

/* ── Form section ── */

/* ── Pricing ── */

.prem-pricing {
  padding-top: 52px;
  border-top: 1px solid var(--border);
}

.prem-pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
  align-items: stretch;
}

.prem-price-card {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.18s;
}

.prem-price-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.prem-price-card--featured {
  border-color: var(--premium-accent-border);
  box-shadow: 0 4px 18px rgba(63,99,143,0.10);
}

.prem-price-card--featured:hover {
  box-shadow: 0 6px 24px rgba(63,99,143,0.14);
}

.prem-pricing-lead {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  color: var(--muted);
  margin: -8px 0 0;
}

.prem-price-card-header {
  padding: 6px 24px;
  background: var(--premium-accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: center;
}

.prem-price-card-header--empty {
  background: transparent;
  border-bottom: 1px solid var(--border);
  color: transparent;
  user-select: none;
}

.prem-price-card-body {
  padding: 28px 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.prem-price-plan-name {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 16px;
}

.prem-price-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 6px;
}

.prem-price-amount {
  font-size: 44px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  letter-spacing: -0.02em;
}

.prem-price-currency {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}

.prem-price-period {
  font-size: 15px;
  color: var(--muted);
}

.prem-price-per-month {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
  min-height: 18px;
}

.prem-subscribe-btn {
  display: block;
  width: 100%;
  padding: 13px;
  background: var(--premium-accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: background 0.15s, transform 0.1s;
  margin-top: auto;
  letter-spacing: 0.01em;
}

.prem-subscribe-btn:hover { background: var(--premium-accent-hover); transform: translateY(-1px); }
.prem-subscribe-btn:active { transform: translateY(0); }
.prem-subscribe-btn:disabled { background: #b0c4de; cursor: not-allowed; transform: none; }

.prem-subscribe-btn--outline {
  background: transparent;
  color: var(--premium-accent);
  border: 1.5px solid var(--premium-accent);
}

.prem-subscribe-btn--outline:hover { background: var(--premium-accent-soft); transform: translateY(-1px); }

.prem-pricing-error {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  color: #cf1322;
  margin-top: 12px;
  display: none;
}

.prem-pricing-offer-link {
  margin-top: 24px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.prem-pricing-offer-link a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.prem-pricing-offer-link a:hover {
  color: var(--text);
}

@media (max-width: 640px) {
  .prem-pricing-grid { grid-template-columns: 1fr; }
}

.prem-form-section {
  padding-top: 52px;
  border-top: 1px solid var(--border);
}

.prem-form-lead {
  margin: -12px 0 28px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
}

.prem-form-wrap {
  width: 100%;
}

.prem-form-wrap iframe {
  width: 100%;
  min-height: 800px;
  border: none;
  border-radius: 8px;
}

/* ── Footer ── */

.prem-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 64px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
}

.prem-footer-link {
  color: var(--muted);
  text-decoration: none;
}

.prem-footer-link:hover {
  color: var(--text);
  text-decoration: underline;
}

/* ── Responsive ── */

@media (max-width: 980px) {
  .prem-shell {
    padding: 48px 20px 72px;
  }
}

@media (max-width: 760px) {
  .prem-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .prem-hero {
    padding-bottom: 40px;
    margin-bottom: 40px;
  }

  .prem-features {
    margin-bottom: 48px;
  }
}

@media (max-width: 480px) {
  .prem-grid {
    grid-template-columns: 1fr;
  }

  .prem-lead {
    font-size: 18px;
  }
}