:root {
  color-scheme: light;
  --ds-bg-page: #f8fafc;
  --ds-bg-surface: #fff;
  --ds-bg-subtle: #f8fafc;
  --ds-bg-muted: #f1f5f9;
  --ds-bg-chip: #fff;
  --ds-bg-input: #fff;
  --ds-border: #e2e8f0;
  --ds-border-inner: #e2e8f0;
  --ds-border-subtle: #f1f5f9;
  --ds-text-primary: #0f172a;
  --ds-text-secondary: #334155;
  --ds-text-muted: #64748b;
  --ds-text-disabled: #94a3b8;
  --ds-accent: #2563eb;
  --ds-accent-hover: #1d4ed8;
  --ds-accent-tint-bg: rgba(59, 130, 246, 0.1);
  --ds-accent-tint-border: rgba(59, 130, 246, 0.2);
  --ds-success: #16a34a;
  --ds-success-bg: rgba(34, 197, 94, 0.12);
  --ds-success-border: rgba(34, 197, 94, 0.3);
  --ds-success-glow: #22c55e;
  --ds-m-delete: #dc2626;
  --ds-code-inline-bg: #f1f5f9;
  --ds-code-header: #f1f5f9;
  --ds-code-text: #334155;
  --ds-callout-tip-bg: #f0fdf4;
  --ds-lv-error: #dc2626;
  --ds-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --ds-flow-purple: #8b5cf6;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--ds-bg-page);
  color: var(--ds-text-primary);
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

.wrap {
  width: min(1100px, calc(100% - 40px));
  margin-inline: auto;
}

.wrap-wide {
  width: min(1200px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  overflow: visible;
  border-bottom: 1px solid var(--ds-border);
  background: color-mix(in srgb, var(--ds-bg-page) 94%, transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1200px;
  margin: 0 auto;
  min-width: 0;
  padding: 10px 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--ds-accent);
  color: #fff;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 24px;
  font-size: 13px;
  color: var(--ds-text-secondary);
}

.nav-desktop a:hover {
  color: var(--ds-text-primary);
}

.nav-mobile {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.nav-drawer {
  position: relative;
}

.nav-drawer-toggle {
  list-style: none;
  min-width: 36px;
  padding-inline: 10px;
}

.nav-drawer-toggle::-webkit-details-marker {
  display: none;
}

.nav-drawer-icon {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  box-shadow: 0 -5px 0 currentColor, 0 5px 0 currentColor;
}

.nav-drawer-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 40;
  display: grid;
  min-width: 220px;
  gap: 2px;
  border: 1px solid var(--ds-border-inner);
  border-radius: 12px;
  background: var(--ds-bg-surface);
  box-shadow: var(--ds-shadow-md);
  padding: 8px;
}

.nav-drawer-panel a {
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--ds-text-secondary);
}

.nav-drawer-panel a:hover {
  background: var(--ds-bg-muted);
  color: var(--ds-text-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  text-align: center;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-compact {
  padding: 8px 12px;
  font-size: 13px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
}

.btn-ghost {
  background: transparent;
  color: var(--ds-text-secondary);
}

.btn-ghost:hover {
  background: var(--ds-bg-muted);
}

.btn-premium {
  background: var(--ds-accent);
  color: #fff;
}

.btn-premium:hover {
  background: var(--ds-accent-hover);
}

.btn-secondary {
  background: var(--ds-accent-tint-bg);
  border-color: var(--ds-accent-tint-border);
  color: var(--ds-accent);
}

.hero,
.section {
  border-bottom: 1px solid var(--ds-border);
  padding: 80px 0;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 64px;
}

.hero-grid {
  display: grid;
  gap: 40px;
}

.hero h1 {
  margin-bottom: 12px;
  font-size: 32px;
  line-height: 1.12;
  letter-spacing: -0.5px;
}

.lead {
  margin-bottom: 16px;
  max-width: 560px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
}

.hero-body {
  margin-bottom: 24px;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ds-text-muted);
}

.cta-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.cta-row > * {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.cta-row .btn {
  width: 100%;
}

.cta-note {
  margin-top: 6px;
  font-size: 12px;
  color: var(--ds-text-muted);
}

.works-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ds-text-disabled);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.chip {
  border: 1px solid var(--ds-border-inner);
  border-radius: 999px;
  background: var(--ds-bg-chip);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ds-text-secondary);
}

.preview {
  border: 1px solid var(--ds-border-inner);
  border-radius: 16px;
  background: var(--ds-bg-surface);
  padding: 4px;
  box-shadow: var(--ds-shadow-md);
}

.preview-head {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--ds-border-subtle);
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
}

.live {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  background: var(--ds-success-bg);
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 600;
  color: var(--ds-success);
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ds-success-glow);
}

.preview-body {
  display: grid;
  gap: 12px;
  padding: 20px;
  font-size: 13px;
  line-height: 1.55;
}

.bubble {
  border-radius: 12px;
  background: var(--ds-bg-subtle);
  padding: 12px 14px;
  color: var(--ds-text-secondary);
}

.bubble-ok {
  border: 1px solid var(--ds-success-border);
  background: var(--ds-callout-tip-bg);
  color: var(--ds-text-primary);
}

.kicker {
  margin-bottom: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.muted {
  color: var(--ds-text-muted);
}

.section-alt {
  background: var(--ds-bg-subtle);
}

.eyebrow {
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ds-accent);
}

.section h2,
.contact h2 {
  margin-bottom: 12px;
  font-size: 32px;
  letter-spacing: -0.4px;
}

.section-lead {
  max-width: 720px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ds-text-muted);
}

.pair-list,
.stack {
  display: grid;
  gap: 16px;
}

.pair {
  display: grid;
  gap: 12px;
  border: 1px solid var(--ds-border-inner);
  border-radius: 16px;
  background: var(--ds-bg-surface);
  padding: 20px;
}

.pair-label {
  margin-bottom: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ds-text-disabled);
}

.pair-label.after {
  color: var(--ds-accent);
}

.pair p {
  font-size: 14px;
  line-height: 1.55;
}

.anchor {
  display: inline-block;
  margin-top: 32px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ds-accent);
}

.cards {
  display: grid;
  gap: 16px;
}

.card {
  border: 1px solid var(--ds-border-inner);
  border-radius: 16px;
  background: var(--ds-bg-surface);
  padding: 20px;
}

.card h3 {
  margin-bottom: 8px;
  font-size: 16px;
}

.card p,
.card li {
  font-size: 13px;
  line-height: 1.55;
  color: var(--ds-text-secondary);
}

.stamp {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 11px;
  color: var(--ds-text-disabled);
}

.mono {
  border-radius: 8px;
  background: var(--ds-bg-subtle);
  padding: 8px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  line-height: 1.55;
  color: var(--ds-code-text);
}

.diff-add {
  color: var(--ds-success);
}

.diff-del {
  color: var(--ds-lv-error);
}

.table-wrap {
  margin-top: 32px;
  overflow-x: auto;
  border: 1px solid var(--ds-border-inner);
  border-radius: 16px;
  background: var(--ds-bg-surface);
  box-shadow: var(--ds-shadow-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th,
td {
  padding: 14px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--ds-border-subtle);
}

th {
  background: var(--ds-bg-muted);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ds-text-muted);
}

.col-ds {
  background: var(--ds-accent-tint-bg);
  font-weight: 600;
  color: var(--ds-accent);
}

.yes {
  color: var(--ds-success);
  font-weight: 700;
}

.no {
  color: var(--ds-text-disabled);
}

.price-grid {
  display: grid;
  gap: 20px;
}

.price-card.hl {
  border: 2px solid var(--ds-accent);
  box-shadow: var(--ds-shadow-md);
}

.price {
  margin: 8px 0 4px;
  font-size: 22px;
  font-weight: 700;
}

.badge {
  float: right;
  border-radius: 999px;
  background: var(--ds-accent-tint-bg);
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ds-accent);
}

.price-card ul {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.price-card li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ds-text-secondary);
}

.price-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--ds-success);
}

.btn-block {
  width: 100%;
}

details {
  border: 1px solid var(--ds-border-inner);
  border-radius: 16px;
  background: var(--ds-bg-surface);
  padding: 16px 20px;
}

summary {
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
}

details p {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ds-text-muted);
}

.contact {
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

.contact-inner {
  position: relative;
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
}

.contact-head {
  margin-bottom: 40px;
  text-align: center;
}

.form-card,
.success-card {
  border: 1px solid var(--ds-border-inner);
  border-radius: 16px;
  background: var(--ds-bg-surface);
  box-shadow: var(--ds-shadow-md);
  padding: 32px 24px;
}

.success-card {
  display: none;
  text-align: center;
}

.form-grid {
  display: grid;
  gap: 20px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ds-text-secondary);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--ds-border-inner);
  border-radius: 10px;
  background: var(--ds-bg-input);
  padding: 12px 14px;
  font: inherit;
  font-size: 14px;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--ds-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ds-accent) 15%, transparent);
}

.form-error {
  display: none;
  margin-bottom: 12px;
  border: 1px solid color-mix(in srgb, var(--ds-m-delete) 22%, transparent);
  border-radius: 10px;
  background: color-mix(in srgb, var(--ds-m-delete) 7%, transparent);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ds-m-delete);
}

.honeypot {
  position: absolute;
  left: -9999px;
  height: 0;
  width: 0;
  opacity: 0;
}

.smartcaptcha-slot {
  margin: 16px 0 4px;
  min-height: 24px;
}

.site-footer {
  border-top: 1px solid var(--ds-border);
  padding: 32px 0;
  font-size: 12px;
  color: var(--ds-text-muted);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

@media (min-width: 640px) {
  .form-grid.two {
    grid-template-columns: 1fr 1fr;
  }

  .span-2 {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .cta-row {
    flex-direction: row;
    align-items: stretch;
  }

  .cta-row > * {
    flex: 1;
    min-width: 0;
  }
}

@media (max-width: 767px) {
  .wrap,
  .wrap-wide {
    width: min(1100px, calc(100% - 24px));
  }

  .btn-compact {
    padding: 8px 10px;
    font-size: 12px;
  }

  .footer-inner {
    padding: 0 12px;
  }

  .table-wrap {
    overflow: visible;
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  table,
  tbody {
    display: grid;
    gap: 12px;
  }

  thead {
    display: none;
  }

  tr {
    display: grid;
    overflow: hidden;
    border: 1px solid var(--ds-border-inner);
    border-radius: 16px;
    background: var(--ds-bg-surface);
    box-shadow: var(--ds-shadow-md);
  }

  td {
    display: grid;
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 8px;
    align-items: start;
    padding: 10px 14px;
  }

  td:first-child {
    display: block;
    background: var(--ds-bg-muted);
    font-size: 14px;
    font-weight: 600;
    padding: 12px 14px;
  }

  td:last-child {
    border-bottom: none;
  }

  td:not(:first-child)::before {
    content: attr(data-product);
    color: var(--ds-text-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
}

@media (min-width: 768px) {
  .header-inner {
    gap: 16px;
    padding: 14px 20px;
  }

  .nav-desktop {
    display: flex;
  }

  .nav-mobile {
    display: none;
  }

  table {
    min-width: 560px;
  }

  .pair {
    grid-template-columns: 1fr 1fr;
  }

  .cards.three,
  .price-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cards.features {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: 64px;
    padding-top: 48px;
  }

  .hero h1 {
    font-size: 52px;
  }

  .lead {
    font-size: 26px;
  }

  .section h2,
  .contact h2 {
    font-size: 36px;
  }
}