:root {
  --ptx-brand: #ff5722;
  --ptx-brand-hover: #e84a18;
  --ptx-brand-pressed: #c7360a;
  --ptx-brand-soft: #fff1ea;
  --ptx-brand-ring: rgba(255, 87, 34, 0.16);

  --ptx-success: #16a34a;
  --ptx-success-soft: #dcfce7;
  --ptx-warning: #d97706;
  --ptx-warning-soft: #fef3c7;
  --ptx-danger: #dc2626;
  --ptx-danger-soft: #fee2e2;
  --ptx-info: #2563eb;
  --ptx-info-soft: #dbeafe;

  --ptx-ink: #17130f;
  --ptx-ink-2: #342d26;
  --ptx-text: #4b4239;
  --ptx-muted: #6f665a;
  --ptx-faint: #958a7b;
  --ptx-line: #e6ddcf;
  --ptx-line-strong: #d6c8b5;
  --ptx-paper: #faf7f2;
  --ptx-paper-2: #f4efe7;
  --ptx-surface: #ffffff;
  --ptx-dark: #17130f;

  --ptx-font-body: "Plus Jakarta Sans", Arial, sans-serif;
  --ptx-font-display: "Bricolage Grotesque", "Plus Jakarta Sans", Arial, sans-serif;

  --ptx-step-0: 0;
  --ptx-step-1: 4px;
  --ptx-step-2: 8px;
  --ptx-step-3: 12px;
  --ptx-step-4: 16px;
  --ptx-step-5: 24px;
  --ptx-step-6: 32px;
  --ptx-step-7: 40px;
  --ptx-step-8: 48px;
  --ptx-step-9: 64px;

  --ptx-radius-xs: 6px;
  --ptx-radius-sm: 8px;
  --ptx-radius-md: 12px;
  --ptx-radius-lg: 16px;
  --ptx-radius-xl: 18px;
  --ptx-radius-pill: 999px;

  --ptx-shadow-card: 0 10px 30px rgba(23, 19, 15, 0.06);
  --ptx-shadow-button: 0 8px 18px rgba(255, 87, 34, 0.18);
  --ptx-shadow-modal: 0 24px 70px rgba(23, 19, 15, 0.16);

  --ptx-container-sm: 760px;
  --ptx-container-md: 980px;
  --ptx-container-lg: 1180px;
  --ptx-container-xl: 1280px;

  --ptx-breakpoint-xs: 480px;
  --ptx-breakpoint-sm: 640px;
  --ptx-breakpoint-md: 768px;
  --ptx-breakpoint-lg: 1024px;
  --ptx-breakpoint-xl: 1280px;
}

.ptx-page {
  min-height: 100vh;
  background: var(--ptx-paper);
  color: var(--ptx-text);
  font-family: var(--ptx-font-body);
  line-height: 1.6;
}

.ptx-container,
.ptx-container-sm,
.ptx-container-md,
.ptx-container-lg,
.ptx-container-xl {
  width: min(100% - 32px, var(--ptx-container-lg));
  margin-inline: auto;
}

.ptx-container-sm { width: min(100% - 32px, var(--ptx-container-sm)); }
.ptx-container-md { width: min(100% - 32px, var(--ptx-container-md)); }
.ptx-container-xl { width: min(100% - 32px, var(--ptx-container-xl)); }

.ptx-section {
  padding-block: var(--ptx-step-8);
}

.ptx-section-tight {
  padding-block: var(--ptx-step-6);
}

.ptx-section-surface {
  background: var(--ptx-surface);
}

.ptx-stack {
  display: grid;
  gap: var(--ptx-stack-gap, var(--ptx-step-4));
}

.ptx-cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--ptx-cluster-gap, var(--ptx-step-3));
}

.ptx-grid {
  display: grid;
  grid-template-columns: repeat(var(--ptx-grid-columns, 1), minmax(0, 1fr));
  gap: var(--ptx-grid-gap, var(--ptx-step-4));
}

.ptx-eyebrow {
  color: var(--ptx-brand-pressed);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ptx-heading-xl,
.ptx-heading-lg,
.ptx-heading-md,
.ptx-heading-sm {
  margin: 0;
  color: var(--ptx-ink);
  font-family: var(--ptx-font-display);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.12;
}

.ptx-heading-xl { font-size: clamp(34px, 4vw, 48px); }
.ptx-heading-lg { font-size: clamp(26px, 3vw, 32px); }
.ptx-heading-md { font-size: clamp(23px, 2.4vw, 28px); }
.ptx-heading-sm { font-size: 22px; }

.ptx-copy {
  margin: 0;
  color: var(--ptx-muted);
  font-size: 16px;
  line-height: 1.65;
}

.ptx-copy-sm {
  margin: 0;
  color: var(--ptx-muted);
  font-size: 14px;
  line-height: 1.5;
}

.ptx-muted {
  color: var(--ptx-muted);
}

.ptx-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.ptx-focus-ring:focus-visible,
.ptx-btn:focus-visible,
.ptx-form-control:focus-visible,
.ptx-nav-link:focus-visible,
.ptx-icon-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--ptx-brand-ring);
}