/* PayDoc Marketing — Complete Design System
   Tokens: design-tokens.json | Handoff: docs/PayDoc-Marketing-Style-Handoff.md
   Palette: charcoal foundation + green accents | Type: Inter | Wordmark only
   ──────────────────────────────────────────────────────────────────────── */

/* ─── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

/* ─── Tokens ─────────────────────────────────────────────────────────────── */
:root {
  --pd-charcoal-950: #0F1715;
  --pd-charcoal-900: #121816;
  --pd-charcoal-850: #18211E;
  --pd-charcoal-800: #1F2A26;
  --pd-charcoal-700: #2B3933;
  --pd-charcoal-600: #45524D;
  --pd-slate-500:    #66736E;
  --pd-mist-100:     #F5F7F6;
  --pd-mist-200:     #EEF3F1;
  --pd-border-300:   #DDE7E3;
  --pd-white:        #FFFFFF;
  --pd-green-700:    #0B6F5C;
  --pd-green-600:    #0F8F78;
  --pd-green-500:    #12A98D;
  --pd-green-400:    #38C8AE;
  --pd-green-100:    #E7F8F3;
  --pd-amber-500:    #C98219;
  --pd-risk-500:     #D94D45;
  --pd-info-500:     #3B82F6;

  --pd-font:         Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --pd-max:          1200px;
  --pd-wide:         1320px;
  --pd-radius-card:  20px;
  --pd-radius-btn:   14px;
  --pd-shadow-card:  0 20px 50px rgba(15,23,21,.10);
  --pd-shadow-soft:  0 10px 30px rgba(15,23,21,.08);
}

/* ─── Base ───────────────────────────────────────────────────────────────── */
html {
  font-family: var(--pd-font);
  color: var(--pd-charcoal-900);
  background: var(--pd-white);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}
body { font-size: 16px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

/* ─── Layout ─────────────────────────────────────────────────────────────── */
.pd-container      { width: min(100% - 40px, var(--pd-max)); margin-inline: auto; }
.pd-wide-container { width: min(100% - 40px, var(--pd-wide)); margin-inline: auto; }

/* ─── Navigation ─────────────────────────────────────────────────────────── */
.pd-site-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--pd-border-300);
  height: 76px;
}
.pd-nav-inner {
  display: flex; align-items: center; gap: 4px;
  height: 76px;
}
.pd-wordmark {
  font-size: 25px; font-weight: 800; letter-spacing: -0.05em;
  color: var(--pd-charcoal-900); white-space: nowrap;
  margin-right: 24px; flex-shrink: 0;
}
.pd-nav-links { display: flex; align-items: center; gap: 2px; flex: 1; }
.pd-nav-item  { position: relative; }

.pd-nav-link {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 8px 13px; border-radius: 10px;
  font-size: 14.5px; font-weight: 600;
  color: var(--pd-charcoal-700);
  background: none; border: none; outline: none;
  white-space: nowrap;
  transition: color .12s, background .12s;
}
.pd-nav-link:hover, .pd-nav-link:focus-visible {
  color: var(--pd-charcoal-900); background: var(--pd-mist-100);
}
.pd-nav-link-chevron { width: 14px; height: 14px; opacity: .5; transition: transform .15s; flex-shrink: 0; }
.pd-nav-item:hover .pd-nav-link-chevron,
.pd-nav-item:focus-within .pd-nav-link-chevron { transform: rotate(180deg); }

/* Dropdown */
.pd-dropdown {
  position: absolute; top: calc(100% + 8px); left: 0;
  min-width: 230px;
  background: var(--pd-white);
  border: 1px solid var(--pd-border-300);
  border-radius: 16px; padding: 8px;
  box-shadow: 0 24px 48px rgba(15,23,21,.12);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .14s, visibility .14s, transform .14s;
  z-index: 200;
}
.pd-nav-item:hover .pd-dropdown,
.pd-nav-item:focus-within .pd-dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.pd-dropdown a {
  display: block; padding: 10px 14px;
  font-size: 14px; font-weight: 500; color: var(--pd-charcoal-700);
  border-radius: 10px; transition: background .1s, color .1s;
}
.pd-dropdown a:hover { background: var(--pd-mist-100); color: var(--pd-charcoal-900); }
.pd-dropdown-divider { height: 1px; background: var(--pd-border-300); margin: 5px 8px; }

/* Nav end — CTA + mobile toggle */
.pd-nav-cta      { margin-left: auto; flex-shrink: 0; }
.pd-mobile-toggle {
  display: none;
  background: none; border: 1px solid var(--pd-border-300);
  border-radius: 10px; padding: 8px 11px;
  color: var(--pd-charcoal-700); margin-left: auto;
}
.pd-mobile-cta { display: none; }

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.pd-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 24px; border-radius: var(--pd-radius-btn);
  font-size: 15px; font-weight: 700; text-decoration: none;
  border: 1.5px solid transparent; white-space: nowrap;
  transition: background .14s, border-color .14s, box-shadow .14s;
}
.pd-btn-sm  { min-height: 38px; padding: 0 18px; font-size: 14px; }
.pd-btn-lg  { min-height: 56px; padding: 0 36px; font-size: 17px; }

.pd-btn-primary {
  background: var(--pd-green-600); color: var(--pd-white);
  box-shadow: 0 8px 20px rgba(18,169,141,.24);
}
.pd-btn-primary:hover { background: var(--pd-green-700); box-shadow: 0 12px 28px rgba(18,169,141,.30); }

.pd-btn-secondary {
  background: var(--pd-white); color: var(--pd-charcoal-900);
  border-color: var(--pd-border-300);
}
.pd-btn-secondary:hover { border-color: var(--pd-charcoal-600); background: var(--pd-mist-100); }

.pd-btn-ghost { background: none; color: var(--pd-charcoal-700); }
.pd-btn-ghost:hover { background: var(--pd-mist-100); }

.pd-btn-white { background: var(--pd-white); color: var(--pd-charcoal-900); }
.pd-btn-white:hover { background: var(--pd-mist-100); }

.pd-btn-ghost-white {
  background: transparent; color: rgba(255,255,255,.85);
  border-color: rgba(255,255,255,.25);
}
.pd-btn-ghost-white:hover { background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.45); }

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.pd-hero { padding: 80px 0 96px; }
.pd-hero-grid {
  display: grid; grid-template-columns: 0.9fr 1.1fr;
  gap: 80px; align-items: center;
}
.pd-eyebrow {
  display: flex; align-items: center; gap: 10px;
  color: var(--pd-green-600); font-size: 12px; font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase; margin-bottom: 18px;
}
.pd-eyebrow::before {
  content: ''; display: block; width: 28px; height: 2.5px;
  background: var(--pd-green-600); border-radius: 2px; flex-shrink: 0;
}
.pd-h1 {
  font-size: clamp(44px, 5.8vw, 70px); line-height: .97;
  letter-spacing: -0.055em; font-weight: 800; margin-bottom: 22px;
  color: var(--pd-charcoal-900);
}
.pd-h1 em { font-style: normal; color: var(--pd-green-600); }
.pd-h2 {
  font-size: clamp(28px, 3.8vw, 44px); line-height: 1.1;
  letter-spacing: -0.045em; font-weight: 800; margin-bottom: 14px;
  color: var(--pd-charcoal-900);
}
.pd-lede {
  font-size: 18px; line-height: 1.65;
  color: var(--pd-slate-500); max-width: 540px; margin-bottom: 32px;
}
.pd-btn-row   { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.pd-trust-strip {
  display: flex; align-items: center; gap: 20px;
  margin-top: 32px; flex-wrap: wrap;
}
.pd-trust-item {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 600; color: var(--pd-slate-500);
}
.pd-trust-item svg { width: 15px; height: 15px; color: var(--pd-green-600); flex-shrink: 0; }

/* ─── Hero image (right column on inner pages) ───────────────────────────── */
.pd-hero-img-col { display: flex; align-items: center; justify-content: center; }
.pd-hero-img {
  width: 100%; max-width: 620px; height: auto;
  object-fit: contain; display: block;
  border-radius: 20px;
  filter: drop-shadow(0 24px 48px rgba(15,23,21,.14));
}

/* ─── Dashboard mock (hero right column) ─────────────────────────────────── */
.pd-dash-mock {
  background: var(--pd-charcoal-900);
  border-radius: 28px; padding: 28px 26px;
  box-shadow: 0 48px 96px rgba(15,23,21,.28), 0 0 0 1px rgba(255,255,255,.05) inset;
  position: relative; overflow: hidden;
}
.pd-dash-mock::after {
  content: '';
  position: absolute; top: -80px; right: -80px;
  width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(18,169,141,.14), transparent 70%);
  pointer-events: none;
}
.pd-dash-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 22px;
}
.pd-dash-wordmark {
  font-size: 15px; font-weight: 800; letter-spacing: -.04em; color: var(--pd-white);
}
.pd-dash-date { font-size: 11px; color: rgba(255,255,255,.35); font-weight: 500; }
.pd-dash-label {
  font-size: 10px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
  color: rgba(255,255,255,.3); margin-bottom: 10px;
}
.pd-dash-metrics { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-bottom: 18px; }
.pd-dash-metric {
  background: rgba(255,255,255,.055);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px; padding: 12px 13px;
}
.pd-dash-metric-label { font-size: 10.5px; color: rgba(255,255,255,.4); font-weight: 500; margin-bottom: 5px; line-height: 1.3; }
.pd-dash-metric-val   { font-size: 17px; font-weight: 800; letter-spacing: -.04em; color: var(--pd-white); line-height: 1; }
.pd-dash-metric-delta { font-size: 10px; font-weight: 700; margin-top: 5px; }
.pd-dash-metric-delta.up   { color: var(--pd-green-400); }
.pd-dash-metric-delta.down { color: #F87171; }
.pd-dash-charts { display: grid; grid-template-columns: 1.3fr 1fr; gap: 10px; }
.pd-dash-chart {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 12px; padding: 13px 14px;
}
.pd-dash-chart-title { font-size: 10.5px; font-weight: 600; color: rgba(255,255,255,.45); margin-bottom: 10px; }
.pd-donut-wrap { display: flex; align-items: center; gap: 10px; }
.pd-donut-legend { display: flex; flex-direction: column; gap: 5px; }
.pd-donut-legend-row {
  display: flex; align-items: center; gap: 6px;
  font-size: 10px; color: rgba(255,255,255,.5); white-space: nowrap;
}
.pd-donut-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }

/* ─── Sections ───────────────────────────────────────────────────────────── */
.pd-section       { padding: 88px 0; }
.pd-section-sm    { padding: 56px 0; }
.pd-section-muted { background: linear-gradient(180deg, var(--pd-mist-100) 0%, var(--pd-white) 100%); }
.pd-section-dark  { background: var(--pd-charcoal-900); color: var(--pd-white); }
.pd-section-green { background: var(--pd-green-100); }

.pd-section-eyebrow {
  color: var(--pd-green-600); font-size: 11.5px; font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase; text-align: center; margin-bottom: 12px;
}
.pd-section-title {
  font-size: clamp(26px, 3.8vw, 42px); line-height: 1.1;
  letter-spacing: -0.045em; font-weight: 800; text-align: center;
  margin-bottom: 14px; color: var(--pd-charcoal-900);
}
.pd-section-copy {
  font-size: 17px; line-height: 1.65; color: var(--pd-slate-500);
  max-width: 700px; margin: 0 auto 52px; text-align: center;
}
.pd-section-eyebrow--left,
.pd-section-title--left,
.pd-section-copy--left { text-align: left; margin-left: 0; }

.pd-section-dark .pd-section-title    { color: var(--pd-white); }
.pd-section-dark .pd-section-copy     { color: rgba(255,255,255,.65); }
.pd-section-dark .pd-section-eyebrow  { color: var(--pd-green-400); }

/* ─── 4-up Spine cards ───────────────────────────────────────────────────── */
.pd-spine-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.pd-spine-card {
  padding: 28px 24px; border: 1px solid var(--pd-border-300);
  border-radius: var(--pd-radius-card); background: var(--pd-white);
  box-shadow: var(--pd-shadow-soft);
}
.pd-spine-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--pd-green-100); color: var(--pd-green-600);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.pd-spine-icon svg { width: 24px; height: 24px; }
.pd-spine-title { font-size: 16px; font-weight: 700; margin-bottom: 7px; color: var(--pd-charcoal-900); }
.pd-spine-copy  { font-size: 14px; line-height: 1.6; color: var(--pd-slate-500); }

/* ─── Module grid ────────────────────────────────────────────────────────── */
.pd-module-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.pd-module-card {
  padding: 22px 20px; border: 1px solid var(--pd-border-300);
  border-radius: 16px; background: var(--pd-white);
  transition: border-color .15s, box-shadow .15s;
  text-decoration: none; display: block;
}
.pd-module-card:hover {
  border-color: var(--pd-green-500);
  box-shadow: 0 8px 24px rgba(18,169,141,.12);
}
.pd-module-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--pd-green-100); color: var(--pd-green-600);
  display: flex; align-items: center; justify-content: center; margin-bottom: 12px;
}
.pd-module-icon svg { width: 20px; height: 20px; }
.pd-module-name { font-size: 14px; font-weight: 700; color: var(--pd-charcoal-900); margin-bottom: 4px; }
.pd-module-desc { font-size: 13px; color: var(--pd-slate-500); line-height: 1.55; }

/* ─── CTA band ───────────────────────────────────────────────────────────── */
.pd-cta-band {
  border-radius: 28px; padding: 52px 60px;
  background: var(--pd-charcoal-900);
  display: flex; align-items: center; justify-content: space-between; gap: 48px;
}
.pd-cta-band-content {}
.pd-cta-band-headline {
  font-size: clamp(22px, 3vw, 34px); font-weight: 800;
  letter-spacing: -.04em; color: var(--pd-white); margin-bottom: 10px; line-height: 1.1;
}
.pd-cta-band-copy { font-size: 16px; color: rgba(255,255,255,.65); max-width: 480px; line-height: 1.6; }
.pd-cta-band-actions { display: flex; gap: 14px; align-items: center; flex-shrink: 0; flex-wrap: wrap; }

/* ─── Step flow (vertical) ───────────────────────────────────────────────── */
.pd-steps { display: flex; flex-direction: column; gap: 0; }
.pd-step {
  display: grid; grid-template-columns: 52px 1fr;
  gap: 20px; align-items: flex-start; padding-bottom: 36px; position: relative;
}
.pd-step::before {
  content: '';
  position: absolute; left: 25px; top: 52px; bottom: 0; width: 2px;
  background: var(--pd-border-300);
}
.pd-step:last-child::before { display: none; }
.pd-step-num {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--pd-green-100); color: var(--pd-green-700);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 800; flex-shrink: 0; z-index: 1;
}
.pd-step-title { font-size: 17px; font-weight: 700; color: var(--pd-charcoal-900); margin-bottom: 6px; }
.pd-step-copy  { font-size: 15px; color: var(--pd-slate-500); line-height: 1.65; }

/* ─── Pipeline (horizontal flow) ─────────────────────────────────────────── */
.pd-pipeline {
  display: flex; align-items: flex-start; gap: 0;
  overflow-x: auto; padding: 0 4px 8px;
}
.pd-pipe-step {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; min-width: 100px; padding: 0 8px;
}
.pd-pipe-dot {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--pd-green-100); color: var(--pd-green-700);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; margin-bottom: 10px; flex-shrink: 0;
}
.pd-pipe-dot svg { width: 20px; height: 20px; }
.pd-pipe-label { font-size: 12.5px; font-weight: 700; color: var(--pd-charcoal-700); line-height: 1.3; }
.pd-pipe-sublabel { font-size: 11px; color: var(--pd-slate-500); margin-top: 3px; }
.pd-pipe-arrow {
  font-size: 18px; color: var(--pd-border-300); flex-shrink: 0;
  padding: 0 2px; margin-top: 12px;
}

/* ─── Feature list (2-col) ───────────────────────────────────────────────── */
.pd-feature-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.pd-feature-item {
  display: flex; gap: 14px; padding: 20px;
  border: 1px solid var(--pd-border-300); border-radius: 14px; background: var(--pd-white);
}
.pd-feature-icon { color: var(--pd-green-600); flex-shrink: 0; }
.pd-feature-icon svg { width: 20px; height: 20px; }
.pd-feature-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; color: var(--pd-charcoal-900); }
.pd-feature-copy  { font-size: 14px; color: var(--pd-slate-500); line-height: 1.6; }

/* ─── Comparison table ───────────────────────────────────────────────────── */
.pd-compare {
  border: 1px solid var(--pd-border-300); border-radius: var(--pd-radius-card); overflow: hidden;
}
.pd-compare-head, .pd-compare-row {
  display: grid; grid-template-columns: 1.8fr 1fr 1fr;
}
.pd-compare-head { background: var(--pd-mist-100); }
.pd-compare-row  { border-top: 1px solid var(--pd-border-300); }
.pd-compare-row:hover { background: var(--pd-mist-100); }
.pd-compare-cell { padding: 15px 20px; font-size: 14px; }
.pd-compare-head .pd-compare-cell { font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--pd-charcoal-600); }
.pd-compare-cell.feature { font-weight: 600; color: var(--pd-charcoal-800); }
.pd-check { color: var(--pd-green-600); font-size: 16px; font-weight: 700; }
.pd-dash  { color: var(--pd-slate-500); font-size: 16px; }

/* ─── KPI drill flow ─────────────────────────────────────────────────────── */
.pd-drill {
  background: var(--pd-mist-100); border-radius: 16px; padding: 22px 28px;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.pd-drill-chip {
  background: var(--pd-white); border: 1px solid var(--pd-border-300);
  border-radius: 10px; padding: 9px 16px;
  font-size: 13px; font-weight: 700; color: var(--pd-charcoal-800); white-space: nowrap;
}
.pd-drill-chip.active {
  background: var(--pd-green-600); color: var(--pd-white); border-color: var(--pd-green-600);
}
.pd-drill-arrow { color: var(--pd-slate-500); font-size: 18px; }

/* ─── Question cards ─────────────────────────────────────────────────────── */
.pd-questions { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.pd-question {
  padding: 18px 20px; background: var(--pd-white);
  border: 1px solid var(--pd-border-300); border-radius: 14px;
  font-size: 15px; font-weight: 600; color: var(--pd-charcoal-800);
  display: flex; gap: 12px;
}
.pd-question-mark {
  font-size: 28px; line-height: .9; color: var(--pd-green-400);
  font-weight: 800; flex-shrink: 0; margin-top: 2px;
}

/* ─── FAQ (details/summary) ──────────────────────────────────────────────── */
.pd-faq-item { border-bottom: 1px solid var(--pd-border-300); }
.pd-faq-item summary {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0; cursor: pointer; list-style: none;
  font-size: 16px; font-weight: 600; color: var(--pd-charcoal-900); gap: 16px;
}
.pd-faq-item summary::-webkit-details-marker { display: none; }
.pd-faq-item summary::after { content: '+'; font-size: 22px; color: var(--pd-green-600); flex-shrink: 0; }
.pd-faq-item[open] summary::after { content: '−'; }
.pd-faq-answer { font-size: 15px; color: var(--pd-slate-500); padding: 0 0 20px; line-height: 1.75; max-width: 800px; }

/* ─── Demo form ──────────────────────────────────────────────────────────── */
.pd-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pd-field      { display: flex; flex-direction: column; gap: 7px; }
.pd-field.full { grid-column: span 2; }
.pd-label { font-size: 14px; font-weight: 600; color: var(--pd-charcoal-700); }
.pd-input, .pd-select, .pd-textarea {
  width: 100%; padding: 12px 16px;
  background: var(--pd-white); border: 1.5px solid var(--pd-border-300);
  border-radius: 12px; font-size: 15px; color: var(--pd-charcoal-900);
  outline: none; transition: border-color .14s, box-shadow .14s;
}
.pd-input:focus, .pd-select:focus, .pd-textarea:focus {
  border-color: var(--pd-green-500);
  box-shadow: 0 0 0 3px rgba(18,169,141,.14);
}
.pd-textarea { resize: vertical; min-height: 110px; line-height: 1.6; }

/* ─── Two-column content layout ──────────────────────────────────────────── */
.pd-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.pd-two-col-center { align-items: center; }

/* ─── Tag / badge ────────────────────────────────────────────────────────── */
.pd-tag {
  display: inline-block; padding: 4px 12px;
  background: var(--pd-green-100); color: var(--pd-green-700);
  font-size: 11.5px; font-weight: 800; letter-spacing: .07em;
  text-transform: uppercase; border-radius: 100px;
}
.pd-tag-amber { background: #FEF3E2; color: #9A5D0D; }

/* ─── Audit callout (security page) ─────────────────────────────────────── */
.pd-audit-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.pd-audit-card {
  padding: 28px 24px;
  background: var(--pd-white); border: 1px solid var(--pd-border-300);
  border-radius: var(--pd-radius-card); box-shadow: var(--pd-shadow-soft);
}
.pd-audit-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--pd-green-100); color: var(--pd-green-600);
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.pd-audit-icon svg { width: 22px; height: 22px; }
.pd-audit-title { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: var(--pd-charcoal-900); }
.pd-audit-copy  { font-size: 14px; color: var(--pd-slate-500); line-height: 1.6; }

/* ─── Footer ─────────────────────────────────────────────────────────────── */
.pd-footer { border-top: 1px solid var(--pd-border-300); padding: 68px 0 36px; background: var(--pd-white); }
.pd-footer-grid {
  display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 52px;
}
.pd-footer-tagline { font-size: 14px; color: var(--pd-slate-500); line-height: 1.7; margin-top: 12px; max-width: 260px; }
.pd-footer-col-title {
  font-size: 12px; font-weight: 700; letter-spacing: .07em;
  text-transform: uppercase; color: var(--pd-charcoal-600); margin-bottom: 16px;
}
.pd-footer-links { display: flex; flex-direction: column; gap: 10px; }
.pd-footer-links a { font-size: 14px; color: var(--pd-slate-500); transition: color .1s; }
.pd-footer-links a:hover { color: var(--pd-charcoal-900); }
.pd-footer-bottom {
  border-top: 1px solid var(--pd-border-300); padding-top: 28px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.pd-footer-legal { font-size: 13px; color: var(--pd-slate-500); }
.pd-footer-legal a { color: var(--pd-slate-500); transition: color .1s; }
.pd-footer-legal a:hover { color: var(--pd-charcoal-900); }
.pd-footer-legal span { margin: 0 6px; opacity: .35; }

/* ─── Utilities ──────────────────────────────────────────────────────────── */
.pd-text-center { text-align: center; }
.pd-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .pd-module-grid { grid-template-columns: repeat(3,1fr); }
  .pd-footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .pd-cta-band    { flex-direction: column; align-items: flex-start; padding: 44px 40px; gap: 28px; }
}

@media (max-width: 880px) {
  .pd-hero-grid  { grid-template-columns: 1fr; gap: 52px; }
  .pd-hero-img   { max-width: 480px; margin: 0 auto; }
  .pd-two-col    { grid-template-columns: 1fr; gap: 48px; }
  .pd-spine-grid { grid-template-columns: repeat(2,1fr); }
  .pd-audit-grid { grid-template-columns: repeat(2,1fr); }
  .pd-questions  { grid-template-columns: 1fr; }
  .pd-feature-list { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .pd-nav-links, .pd-nav-cta { display: none; }
  .pd-mobile-toggle { display: flex; align-items: center; margin-left: auto; }
  .pd-module-grid { grid-template-columns: repeat(2,1fr); }
  .pd-form-grid { grid-template-columns: 1fr; }
  .pd-field.full { grid-column: span 1; }
  .pd-compare-head, .pd-compare-row { grid-template-columns: 1.5fr 1fr 1fr; }
  .pd-footer-grid { grid-template-columns: 1fr 1fr; }
  .pd-section { padding: 64px 0; }
  .pd-hero { padding: 56px 0 72px; }
  .pd-dash-metrics { grid-template-columns: 1fr; }
  .pd-dash-charts  { grid-template-columns: 1fr; }
  /* Mobile nav overlay */
  .pd-nav-open {
    display: flex !important; flex-direction: column;
    position: fixed; top: 76px; left: 0; right: 0; bottom: 0;
    background: var(--pd-white); border-top: 1px solid var(--pd-border-300);
    padding: 24px 20px; gap: 4px; overflow-y: auto; z-index: 99;
  }
  .pd-nav-open .pd-nav-item { width: 100%; }
  .pd-nav-open .pd-nav-link { font-size: 17px; padding: 14px 16px; width: 100%; justify-content: space-between; }
  .pd-nav-open .pd-dropdown {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; margin-top: 4px;
  }
  .pd-mobile-cta { display: block; margin-top: 16px; width: 100%; text-align: center; }
}

@media (max-width: 560px) {
  .pd-module-grid { grid-template-columns: 1fr; }
  .pd-spine-grid  { grid-template-columns: 1fr; }
  .pd-audit-grid  { grid-template-columns: 1fr; }
  .pd-footer-grid { grid-template-columns: 1fr; }
  .pd-cta-band { padding: 36px 28px; }
  .pd-h1 { font-size: 40px; }
}
