:root {
  --premium-ring: rgba(31,60,136,.12);
  --premium-grad-1: linear-gradient(135deg, rgba(31,60,136,.10), rgba(245,158,11,.08));
  --premium-grad-2: linear-gradient(135deg, rgba(255,255,255,.72), rgba(238,244,255,.94));
}
body[data-theme="dark"] {
  --premium-ring: rgba(143,180,255,.18);
  --premium-grad-1: linear-gradient(135deg, rgba(143,180,255,.12), rgba(245,158,11,.10));
  --premium-grad-2: linear-gradient(135deg, rgba(15,23,42,.94), rgba(22,32,51,.98));
}

html { scroll-behavior: smooth; }
.premium-brand { letter-spacing: .02em; }
.premium-hero-card {
  position: relative;
  overflow: hidden;
  background: var(--premium-grad-2);
}
.premium-hero-card::after {
  content: "";
  position: absolute;
  inset: auto -80px -100px auto;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: var(--premium-grad-1);
  filter: blur(10px);
  pointer-events: none;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 28px;
  padding: 6px 12px;
  border: 1px solid var(--ps-border);
  border-radius: 999px;
  background: var(--ps-primary-soft);
  color: var(--ps-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.premium-stat-rail {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  background: var(--premium-grad-2);
}
.premium-stat-item {
  border: 1px solid var(--ps-border);
  border-radius: 18px;
  background: var(--ps-card-2);
  padding: 16px 14px;
  display: grid;
  gap: 6px;
  min-height: 94px;
}
.premium-stat-item strong {
  font-size: 28px;
  line-height: 1;
  color: var(--ps-primary);
}
.premium-stat-item span {
  color: var(--ps-text-soft);
  font-size: 13px;
}
.premium-quick-nav-card {
  background: var(--premium-grad-2);
}
.premium-quick-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.premium-quick-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid var(--ps-border);
  border-radius: 999px;
  background: var(--ps-card-2);
  color: var(--ps-text);
  text-decoration: none;
  font-weight: 700;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.premium-quick-nav a:hover {
  transform: translateY(-1px);
  border-color: var(--ps-primary);
  background: var(--ps-primary-soft);
}
.premium-section-card,
.premium-form-card {
  background: var(--premium-grad-2);
}
.premium-form-info-card {
  background: var(--premium-grad-2);
}
.premium-form-info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.premium-form-info-item {
  border: 1px solid var(--ps-border);
  border-radius: 18px;
  background: var(--ps-card-2);
  padding: 16px;
  display: grid;
  gap: 8px;
}
.premium-form-info-item strong {
  color: var(--ps-primary);
  font-size: 16px;
}
.premium-form-info-item span {
  color: var(--ps-text-soft);
  font-size: 14px;
  line-height: 1.5;
}
.premium-success-card {
  background: linear-gradient(135deg, rgba(100,194,123,.16), rgba(255,255,255,.86));
  box-shadow: 0 12px 30px rgba(27,107,47,.10);
}
body[data-theme="dark"] .premium-success-card {
  background: linear-gradient(135deg, rgba(100,194,123,.14), rgba(15,23,42,.95));
}
.premium-form-grid {
  gap: 14px;
}
.premium-form-grid input,
.premium-form-grid select,
.premium-form-grid textarea {
  min-height: 52px;
  box-shadow: inset 0 0 0 1px transparent;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.premium-form-grid textarea {
  min-height: 132px;
}
.premium-form-grid input:focus,
.premium-form-grid select:focus,
.premium-form-grid textarea:focus {
  border-color: var(--ps-primary);
  box-shadow: 0 0 0 4px var(--premium-ring);
}
.premium-form-grid .btn {
  min-height: 50px;
  padding-inline: 22px;
}
.form-link-card,
.campaign-card,
.stack-item,
.info-item {
  box-shadow: 0 10px 24px rgba(31,60,136,.05);
}
.chip-link,
.form-link-card,
.campaign-card,
.stack-item,
.info-item {
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.form-link-card:hover,
.campaign-card:hover,
.stack-item:hover,
.info-item:hover {
  transform: translateY(-2px);
  border-color: var(--ps-primary);
  box-shadow: 0 14px 28px rgba(31,60,136,.10);
}
.premium-mobile-sticky {
  position: sticky;
  bottom: 14px;
}
@media (max-width: 980px) {
  .premium-stat-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .premium-form-info-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .public-topbar-inner {
    padding: 10px 14px;
  }
  .premium-hero-card {
    padding: 18px;
  }
  .premium-stat-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .premium-stat-item strong {
    font-size: 24px;
  }
  .premium-quick-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }
  .premium-quick-nav a {
    white-space: nowrap;
    flex: 0 0 auto;
  }
  .form-link-card,
  .campaign-card,
  .stack-item,
  .info-item {
    border-radius: 20px;
  }
}
@media (max-width: 520px) {
  .premium-stat-rail {
    grid-template-columns: 1fr;
  }
  .hero-card h1 {
    font-size: 26px;
  }
  .logo-circle {
    width: 62px;
    height: 62px;
    font-size: 24px;
  }
  .public-card,
  .hero-card {
    border-radius: 20px;
    padding: 18px;
  }
  .public-card h2 {
    font-size: 22px;
  }
  .theme-toggle-btn {
    width: 100%;
    justify-content: center;
  }
}