/* =================================================================
   PGicover Design System — ds.css
   Aggregated tokens + component states + page-level rules.
   Single file linked by every redesigned page.
   ================================================================= */

/* ---- 1. Webfonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Archivo:wght@500;600;700;800&family=Open+Sans:wght@700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ---- 2. Color tokens ---- */
:root {
  --pgi-ink:     #1d2933;
  --pgi-lime:    #b2e41b;
  --pgi-blue:    #6b94af;
  --pgi-sand:    #f5f4ee;
  --pgi-divider: #d6dcd8;
  --pgi-alert:   #ef476f;
  --pgi-white:   #ffffff;

  --ink-900: #1d2933;
  --ink-800: #26333d;
  --ink-700: #3a4650;
  --ink-600: #4b5761;
  --ink-500: #5c6771;
  --ink-400: #79838c;
  --ink-300: #9aa3ab;
  --ink-200: #c2c8cc;

  --blue-800: #3d5d70;
  --blue-700: #4d7288;
  --blue-500: #6b94af;
  --blue-300: #a7c1d1;
  --blue-100: #dde8ef;

  --lime-600: #93bd10;
  --lime-500: #b2e41b;
  --lime-300: #d3ef7e;
  --lime-100: #eef8c9;

  --sand-000: #ffffff;
  --sand-100: #faf9f5;
  --sand-200: #f5f4ee;
  --sand-300: #eeece3;
  --sand-400: #e4e2d7;

  --text-primary:       var(--ink-900);
  --text-secondary:     var(--ink-600);
  --text-muted:         var(--ink-400);
  --text-inverse:       #f5f4ee;
  --text-inverse-muted: rgba(245, 244, 238, 0.66);
  --text-link:          var(--blue-700);
  --text-on-accent:     var(--ink-900);

  --surface-page:     var(--sand-200);
  --surface-card:     var(--sand-000);
  --surface-raised:   var(--sand-000);
  --surface-sunken:   var(--sand-300);
  --surface-ink:      var(--ink-900);
  --surface-ink-soft: var(--ink-800);

  --border-subtle:  #e8e6dc;
  --border-default: var(--pgi-divider);
  --border-strong:  #c3c8c2;
  --border-on-ink:  rgba(245, 244, 238, 0.14);

  --accent:        var(--pgi-lime);
  --accent-strong: var(--lime-600);
  --accent-ink:    var(--ink-900);
  --accent-soft:   var(--lime-100);

  --danger:         var(--pgi-alert);
  --danger-soft:    #fde3ea;
  --info:           var(--blue-500);
  --info-soft:      var(--blue-100);
  --positive:       var(--lime-600);
  --positive-soft:  var(--lime-100);
  --focus-ring:     var(--blue-500);
}

/* ---- 3. Typography tokens ---- */
:root {
  --font-display: 'Spectral', Georgia, 'Times New Roman', serif;
  --font-heading: 'Archivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --fw-light:    300;
  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;

  --fs-display: clamp(3rem, 1.6rem + 4.6vw, 5.5rem);
  --fs-h1:      clamp(2.5rem, 1.6rem + 3vw, 4rem);
  --fs-h2:      clamp(1.9rem, 1.3rem + 1.8vw, 2.75rem);
  --fs-h3:      clamp(1.35rem, 1.1rem + 0.8vw, 1.75rem);
  --fs-h4:      1.25rem;
  --fs-lead:    clamp(1.125rem, 1rem + 0.4vw, 1.375rem);
  --fs-body:    1.0625rem;
  --fs-body-sm: 0.9375rem;
  --fs-caption: 0.8125rem;
  --fs-eyebrow: 0.75rem;

  --lh-tight:   1.05;
  --lh-snug:    1.2;
  --lh-heading: 1.15;
  --lh-body:    1.65;
  --lh-relaxed: 1.75;

  --ls-display: -0.02em;
  --ls-heading: -0.01em;
  --ls-body:     0;
  --ls-eyebrow:  0.16em;
}

/* ---- 4. Spacing, layout & radius tokens ---- */
:root {
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  --section-y:       clamp(64px, 4rem + 4vw, 128px);
  --section-y-tight: clamp(48px, 3rem + 2vw, 88px);

  --container-max:  1200px;
  --container-wide: 1360px;
  --container-text: 46rem;
  --gutter:         clamp(20px, 4vw, 48px);

  --radius-xs:   4px;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   18px;
  --radius-xl:   24px;
  --radius-pill: 999px;

  --control-h:    48px;
  --control-h-sm: 38px;
  --control-h-lg: 56px;
  --tap-min:      44px;
}

/* ---- 5. Shadows, motion & effects ---- */
:root {
  --shadow-xs:  0 1px 2px rgba(29, 41, 51, 0.05);
  --shadow-sm:  0 1px 3px rgba(29, 41, 51, 0.06), 0 1px 2px rgba(29, 41, 51, 0.04);
  --shadow-md:  0 6px 20px rgba(29, 41, 51, 0.08), 0 2px 6px rgba(29, 41, 51, 0.05);
  --shadow-lg:  0 18px 46px rgba(29, 41, 51, 0.12), 0 6px 14px rgba(29, 41, 51, 0.06);
  --shadow-ink: 0 24px 60px rgba(16, 23, 29, 0.30);

  --ring: 0 0 0 3px rgba(107, 148, 175, 0.40);

  --ease-standard: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:   cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast:   140ms;
  --dur-base:   240ms;
  --dur-slow:   420ms;
  --dur-reveal: 680ms;

  --reveal-y: 22px;
}

/* ---- 6. Base element defaults ---- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--text-primary);
  background: var(--surface-page);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  margin: 0 0 0.4em;
  color: var(--text-primary);
  letter-spacing: var(--ls-heading);
  text-wrap: balance;
}
h1 {
  font-family: var(--font-display);
  font-weight: var(--fw-light);
  font-size: var(--fs-h1);
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-display);
}
h2 {
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-h2);
  line-height: var(--lh-snug);
}
h3 {
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-h3);
  line-height: var(--lh-snug);
}
h4 {
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-h4);
  line-height: var(--lh-snug);
}

p { margin: 0 0 1em; text-wrap: pretty; }

a { color: var(--text-link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

strong { font-weight: var(--fw-semibold); color: var(--text-primary); }
small  { font-size: var(--fs-caption); }

::selection { background: var(--lime-300); color: var(--ink-900); }

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: var(--radius-xs);
}

hr { border: 0; border-top: 1px solid var(--border-default); margin: var(--space-8) 0; }

.pgi-eyebrow {
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* ---- 7. Scroll reveal ---- */
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] {
    opacity: 0;
    transform: translateY(var(--reveal-y));
    transition: opacity var(--dur-reveal) var(--ease-out),
                transform var(--dur-reveal) var(--ease-out);
    will-change: opacity, transform;
  }
  [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }
}

/* ---- 8. Buttons ---- */
.pgi-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 20px;
  height: var(--control-h);
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: 15px;
  cursor: pointer;
  text-decoration: none;
  border: 1.5px solid transparent;
  white-space: nowrap;
  line-height: 1;
  transition: background var(--dur-base) var(--ease-standard),
              color var(--dur-base) var(--ease-standard),
              border-color var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard),
              transform var(--dur-base) var(--ease-standard);
}
.pgi-btn--sm  { height: var(--control-h-sm); padding: 0 16px; font-size: 14px; }
.pgi-btn--lg  { height: var(--control-h-lg); padding: 0 28px; font-size: 16px; }

.pgi-btn--primary  { background: var(--ink-900); color: #fff; border-color: var(--ink-900); }
.pgi-btn--accent   { background: var(--accent); color: var(--ink-900); border-color: var(--accent); }
.pgi-btn--secondary { background: transparent; color: var(--ink-900); border-color: var(--border-strong); }
.pgi-btn--ghost     { background: transparent; border-color: transparent; color: var(--text-primary); }

.pgi-btn--primary:hover   { background: var(--ink-700); border-color: var(--ink-700); text-decoration: none; color: #fff; }
.pgi-btn--accent:hover    { background: var(--accent-strong); border-color: var(--accent-strong); text-decoration: none; }
.pgi-btn--secondary:hover { border-color: var(--ink-900); background: rgba(29,41,51,0.04); text-decoration: none; }
.pgi-btn--ghost:hover     { background: rgba(29,41,51,0.06); text-decoration: none; }
.pgi-btn:not(.pgi-btn--ghost):active { transform: translateY(1px); }
.pgi-btn:focus-visible { outline: none; box-shadow: var(--ring); }

/* ---- 9. Cards ---- */
.pgi-card {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  transition: transform var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard),
              border-color var(--dur-base) var(--ease-standard);
}
.pgi-card--interactive { cursor: pointer; }
.pgi-card--interactive:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}

/* ---- 10. Badges ---- */
.pgi-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: 13px;
  line-height: 1;
}

/* ---- 11. Nav links ---- */
.pgi-navlink {
  position: relative;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--dur-base) var(--ease-standard);
}
.pgi-navlink::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-standard);
}
.pgi-navlink:hover,
.pgi-navlink[aria-current="page"] { text-decoration: none; }
.pgi-navlink:hover::after,
.pgi-navlink[aria-current="page"]::after { transform: scaleX(1); }

/* ---- 12. Footer links ---- */
.pgi-footlink {
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-standard),
              opacity var(--dur-fast) var(--ease-standard);
}
.pgi-footlink:hover {
  color: var(--text-inverse) !important;
  opacity: 1 !important;
  text-decoration: none;
}

/* Footer grid responsiveness */
@media (max-width: 900px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr !important; gap: 32px !important; }
}
@media (max-width: 520px) {
  .site-footer__grid { grid-template-columns: 1fr !important; }
}

/* ---- 13. Nav CTA swap animation ---- */
.nav-cta { position: relative; overflow: hidden; }
.nav-cta__label,
.nav-cta__icon {
  display: inline-flex;
  align-items: center;
  transition: transform 460ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.nav-cta:hover .nav-cta__label { transform: translateX(23px); }
.nav-cta:hover .nav-cta__icon  { transform: translateX(-92px); }

/* ---- 14. Accordion ---- */
.pgi-accordion__item {
  border-bottom: 1px solid var(--border-default);
}
.pgi-accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: none;
  border: none;
  padding: 20px 0;
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: 16px;
  color: var(--text-secondary);
  cursor: pointer;
  text-align: left;
  transition: color var(--dur-fast) var(--ease-standard);
}
.pgi-accordion__trigger:hover { color: var(--ink-900); }
.pgi-accordion__trigger:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: var(--radius-sm);
}
.pgi-accordion__trigger[aria-expanded="true"] { color: var(--ink-900); }
.pgi-accordion__icon {
  flex-shrink: 0;
  transition: transform var(--dur-base) var(--ease-standard);
}
.pgi-accordion__trigger[aria-expanded="true"] .pgi-accordion__icon {
  transform: rotate(180deg);
}
.pgi-accordion__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--dur-slow) var(--ease-out);
}
/* max-height is set via inline style by site.js (scrollHeight), so no
   fixed cap here. The --open class is kept as a state marker only. */
.pgi-accordion__panel--open { /* height managed by JS */ }
@media (prefers-reduced-motion: reduce) {
  .pgi-accordion__panel { transition: none; }
}
.pgi-accordion__body {
  padding-bottom: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ---- 15. Form controls ---- */
.pgi-field__input {
  width: 100%;
  height: var(--control-h);
  padding: 0 14px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--text-primary);
  background: var(--surface-card);
  transition: border-color var(--dur-fast) var(--ease-standard),
              box-shadow var(--dur-fast) var(--ease-standard);
}
.pgi-field__input:focus,
.pgi-field__input:focus-visible {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: var(--ring);
}
.pgi-field__input::placeholder { color: var(--text-muted); }

.pgi-checkbox__input {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-xs);
  background: var(--surface-card);
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--dur-fast), border-color var(--dur-fast);
}
.pgi-checkbox__input:checked {
  background: var(--accent);
  border-color: var(--accent-strong);
}
.pgi-checkbox__input:checked::after {
  content: '';
  position: absolute;
  left: 6px; top: 2px;
  width: 5px; height: 10px;
  border: solid var(--ink-900);
  border-width: 0 2px 2px 0;
  transform: rotate(42deg);
}
.pgi-checkbox__input:focus-visible { outline: none; box-shadow: var(--ring); }

/* ---- 16. Hero CTA hover motion ---- */
.hero-cta {
  transition: background var(--dur-base) ease,
              color var(--dur-base) ease,
              border-color var(--dur-base) ease,
              transform var(--dur-base) ease,
              box-shadow var(--dur-base) ease !important;
}
.hero-cta > .btn-arrow { transition: transform var(--dur-base) ease; }

.hero-cta.pgi-btn--accent:hover {
  background: var(--ink-900) !important;
  border-color: var(--ink-900) !important;
  color: var(--accent) !important;
  transform: translate(-3px, -3px);
  box-shadow: 0 12px 26px rgba(29,41,51,0.18);
  text-decoration: none;
}
.hero-cta.pgi-btn--accent:hover .btn-arrow { transform: translateX(4px); }

.hero-cta.pgi-btn--secondary:hover {
  background: var(--ink-900) !important;
  border-color: var(--ink-900) !important;
  color: #FFFFFF !important;
  transform: translate(-3px, -3px);
  box-shadow: 0 12px 26px rgba(29,41,51,0.18);
  text-decoration: none;
}

/* Dark-hero variants */
.hero-cta--ondark.pgi-btn--accent:hover {
  background: var(--ink-900) !important;
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}
.hero-cta--ondark.pgi-btn--secondary:hover {
  background: #FFFFFF !important;
  border-color: #FFFFFF !important;
  color: var(--ink-900) !important;
}

/* ---- 17. CTA section buttons ---- */
.cta-btn {
  transition: background var(--dur-base) ease,
              color var(--dur-base) ease,
              border-color var(--dur-base) ease,
              transform var(--dur-base) ease,
              box-shadow var(--dur-base) ease !important;
}
.cta-btn > .btn-arrow { transition: transform var(--dur-base) ease; }

.cta-btn--accent:hover {
  background: #FFFFFF !important;
  border-color: #FFFFFF !important;
  color: var(--ink-900) !important;
  transform: translate(-3px, -3px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.30);
  text-decoration: none;
}
.cta-btn--accent:hover .btn-arrow { transform: translateX(4px); }

.cta-btn--secondary:hover {
  background: #FFFFFF !important;
  border-color: #FFFFFF !important;
  color: var(--ink-900) !important;
  transform: translate(-3px, -3px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.30);
  text-decoration: none;
}

/* ---- 18. Responsive layout grid helpers ---- */
@media (max-width: 940px) {
  .site-nav__links,
  .site-nav__actions { display: none !important; }
  .site-nav__burger  { display: inline-flex !important; }

  .split-2   { grid-template-columns: 1fr !important; }
  .grid-4    { grid-template-columns: 1fr 1fr !important; row-gap: 32px !important; }
  .grid-3    { grid-template-columns: 1fr !important; }
  .grid-2    { grid-template-columns: 1fr !important; }
  .stat-band { grid-template-columns: 1fr !important; }

  /* Coverage panels collapse vertically on mobile */
  .cov-panels  { flex-direction: column !important; }
  .cov-panel   { flex: none !important; }
  .cov-panel__val  { white-space: normal !important; }
  .cov-panel__more { max-height: none !important; opacity: 1 !important; }
  .cov-grid    { grid-template-columns: 1fr !important; }
}
@media (max-width: 720px) {
  .audience-grid { grid-template-columns: 1fr !important; }
  .process-grid  { grid-template-columns: 1fr 1fr !important; }
}
@media (max-width: 560px) {
  .site-footer__grid { grid-template-columns: 1fr !important; }
  .grid-4  { grid-template-columns: 1fr !important; }
}
@media (max-width: 480px) {
  .process-grid  { grid-template-columns: 1fr !important; }
  .strength-grid { grid-template-columns: 1fr !important; }
}

/* Anchored sections clear the fixed nav */
section[id] { scroll-margin-top: 96px; }

/* ---- 19. Hero scrim ---- */
.hero-scrim {
  animation: hero-scrim-in var(--dur-slow) var(--ease-standard) 200ms both;
}
@keyframes hero-scrim-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-scrim { animation: none; }
}

/* ---- 20. Coverage panels ---- */
.cov-panel {
  transition: flex 460ms var(--ease-standard),
              background 320ms var(--ease-standard);
}
.cov-panel__bar {
  transition: width 460ms var(--ease-standard);
}
.cov-panel__more {
  transition: max-height 460ms var(--ease-standard),
              opacity 320ms var(--ease-standard);
}

/* ---- 21. Value card link ---- */
.value-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: 14px;
  color: var(--text-link);
  text-decoration: none;
  margin-top: auto;
  padding-top: 16px;
  transition: gap var(--dur-fast) var(--ease-standard);
}
.value-card__link:hover { gap: 10px; text-decoration: none; }

/* ---- 22. Stat pop ---- */
.stat-pop {
  transition: transform 1000ms cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center center;
}
.stat-pop:hover {
  transform: scale(1.10);
  transition: transform 900ms cubic-bezier(0.16, 1, 0.3, 1);
}