/* ==========================================================
   PG会馆 · 共享样式表 /assets/site.css
   设计语言：技术蓝图网格 + 夜间会馆灯光
   色序：蓝紫沉浸 / 霓虹青标记规则 / 暖橙标记行动
   ========================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 170px;
}

body { margin: 0; }

h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; }
table { border-collapse: collapse; }

/* ---------- tokens ---------- */
:root {
  --pg-bg: #0A0A1E;
  --pg-panel: #151238;
  --pg-line: #2A2758;
  --pg-cyan: #22E3D2;
  --pg-orange: #FF9A3C;
  --pg-violet: #7C5CFF;
  --pg-gold: #FFD166;
  --pg-text: #EDEBFF;
  --pg-muted: #A5A2CC;

  --pg-font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --pg-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --pg-wrap: 1280px;
  --pg-gutter: 32px;
  --pg-radius: 2px;
  --pg-ease: cubic-bezier(.2, .6, .25, 1);
}

/* ---------- page canvas ---------- */
body {
  background-color: var(--pg-bg);
  color: var(--pg-text);
  font-family: var(--pg-font);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 固定坐标网格：全站底纹，制造技术蓝图秩序 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(42, 39, 88, .5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 39, 88, .5) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: .45;
}

main {
  position: relative;
  z-index: 1;
  display: block;
}

/* ---------- typography ---------- */
h1, .pg-h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -.02em;
}
h2, .pg-h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -.02em;
}
h3, .pg-h3 {
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.32;
  font-weight: 900;
  letter-spacing: -.015em;
}
p { max-width: 62ch; }

.pg-lead {
  font-size: clamp(17px, 1.5vw, 19px);
  line-height: 1.75;
  color: var(--pg-text);
}

.pg-text {
  font-size: 16px;
  line-height: 1.75;
  color: var(--pg-muted);
}

/* ---------- link ---------- */
.pg-link {
  color: var(--pg-violet);
  text-decoration: underline;
  text-decoration-color: rgba(124, 92, 255, .5);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color .16s var(--pg-ease), text-underline-offset .16s var(--pg-ease), text-decoration-color .16s var(--pg-ease);
}
.pg-link:hover,
.pg-link:focus-visible {
  color: var(--pg-cyan);
  text-decoration-color: var(--pg-cyan);
  text-underline-offset: 6px;
}

/* ---------- focus ---------- */
:focus-visible {
  outline: 2px solid var(--pg-cyan);
  outline-offset: 3px;
  border-radius: var(--pg-radius);
}

/* ---------- skip link ---------- */
.pg-skip {
  position: fixed;
  left: 16px;
  top: -72px;
  z-index: 200;
  padding: 11px 18px;
  background: var(--pg-orange);
  color: #20120A;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--pg-radius);
  transition: top .18s var(--pg-ease);
}
.pg-skip:focus { top: 12px; }

/* ---------- layout ---------- */
.pg-container {
  width: 100%;
  max-width: var(--pg-wrap);
  margin-inline: auto;
  padding-inline: var(--pg-gutter);
}

.pg-section {
  position: relative;
  z-index: 1;
  padding: 96px 0;
}
.pg-section--tight { padding: 64px 0; }
.pg-section--edge { border-top: 1px solid var(--pg-line); }

.pg-band {
  position: relative;
  z-index: 1;
  padding: 96px 0;
  border-top: 1px solid var(--pg-line);
  border-bottom: 1px solid var(--pg-line);
  background: linear-gradient(180deg, rgba(21, 18, 56, .85) 0%, rgba(21, 18, 56, .42) 100%);
}

.pg-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 14px 24px;
  margin-bottom: 44px;
}
.pg-section__head > .pg-h2 { flex: 1 1 320px; }

.pg-divider {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--pg-line);
}

.pg-hairline {
  height: 6px;
  border: 0;
  margin: 0;
  background-image: repeating-linear-gradient(90deg, var(--pg-line) 0 1px, transparent 1px 26px);
}

/* ---------- grid ---------- */
.pg-grid {
  display: grid;
  gap: 24px;
}
.pg-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pg-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pg-grid--sidebar { grid-template-columns: 200px minmax(0, 1fr); gap: 56px; }

/* ---------- plate / tags / numbers ---------- */
.pg-plate {
  position: relative;
  padding: 26px 24px;
  border: 1px solid var(--pg-line);
  border-radius: var(--pg-radius);
  background: linear-gradient(180deg, rgba(21, 18, 56, .92) 0%, rgba(21, 18, 56, .58) 100%);
  box-shadow: 3px 3px 0 rgba(42, 39, 88, .7);
  transition: transform .18s var(--pg-ease), border-color .18s var(--pg-ease), box-shadow .18s var(--pg-ease);
}
.pg-plate:hover {
  transform: translateY(-4px);
  border-color: var(--pg-orange);
  box-shadow: 5px 5px 0 rgba(255, 154, 60, .18);
}
.pg-plate--rule { border-left: 2px solid var(--pg-cyan); }

.pg-plate__tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 9px;
  border: 1px solid rgba(255, 209, 102, .4);
  border-radius: var(--pg-radius);
  font-family: var(--pg-mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--pg-gold);
}

.pg-plate__title {
  margin-bottom: 10px;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -.01em;
}

.pg-plate__body {
  font-size: 15px;
  line-height: 1.72;
  color: var(--pg-muted);
}

.pg-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid var(--pg-line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--pg-muted);
}
.pg-tag--rule { color: var(--pg-cyan); border-color: rgba(34, 227, 210, .4); }
.pg-tag--action { color: var(--pg-orange); border-color: rgba(255, 154, 60, .4); }

.pg-num {
  font-family: var(--pg-mono);
  font-size: 1.4em;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
  color: var(--pg-cyan);
}
.pg-num--lg { font-size: 2.5em; color: var(--pg-text); }
.pg-num--gold { color: var(--pg-gold); }

/* ---------- axis ---------- */
.pg-axis {
  position: sticky;
  top: 168px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pg-axis__node {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: baseline;
  padding-left: 12px;
  border-left: 1px solid var(--pg-line);
  font-size: 13px;
  color: var(--pg-muted);
  text-decoration: none;
  transition: color .16s var(--pg-ease), border-color .16s var(--pg-ease);
}
.pg-axis__node:hover,
.pg-axis__node[aria-current="true"] {
  color: var(--pg-cyan);
  border-color: var(--pg-cyan);
}
.pg-axis__num {
  font-family: var(--pg-mono);
  font-size: 11px;
  color: var(--pg-gold);
}

/* ---------- breadcrumb ---------- */
.pg-crumb {
  position: relative;
  z-index: 1;
  padding: 22px 0;
  border-bottom: 1px solid var(--pg-line);
}
.pg-crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--pg-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--pg-muted);
}
.pg-crumb__list a {
  color: var(--pg-muted);
  text-decoration: none;
  transition: color .16s var(--pg-ease);
}
.pg-crumb__list a:hover,
.pg-crumb__list a:focus-visible { color: var(--pg-cyan); }
.pg-crumb__sep { color: var(--pg-line); }
.pg-crumb__current { color: var(--pg-gold); }

/* ---------- media ---------- */
.pg-media {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--pg-line);
  border-radius: var(--pg-radius);
  background: linear-gradient(140deg, #151238 0%, #0A0A1E 72%);
  box-shadow: 3px 3px 0 rgba(42, 39, 88, .55);
}
.pg-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(124, 92, 255, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 92, 255, .09) 1px, transparent 1px);
  background-size: 32px 32px;
}
.pg-media > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pg-media--wide { aspect-ratio: 16 / 7; }
.pg-media--square { aspect-ratio: 1 / 1; }
.pg-media--tall { aspect-ratio: 4 / 5; }

/* ---------- buttons ---------- */
.pg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid var(--pg-line);
  border-radius: var(--pg-radius);
  background: transparent;
  color: var(--pg-text);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .02em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .16s var(--pg-ease), color .16s var(--pg-ease),
              border-color .16s var(--pg-ease), box-shadow .16s var(--pg-ease),
              transform .16s var(--pg-ease);
}
.pg-btn--action {
  background: var(--pg-orange);
  border-color: var(--pg-orange);
  color: #20120A;
  font-weight: 700;
  box-shadow: 3px 3px 0 rgba(255, 154, 60, .24);
}
.pg-btn--action:hover,
.pg-btn--action:focus-visible {
  background: transparent;
  color: var(--pg-orange);
  border-color: var(--pg-orange);
  box-shadow: 3px 3px 0 rgba(255, 154, 60, .14);
  transform: translate(-1px, -1px);
}
.pg-btn--ghost { border-color: var(--pg-cyan); color: var(--pg-cyan); }
.pg-btn--ghost:hover,
.pg-btn--ghost:focus-visible { background: rgba(34, 227, 210, .1); }
.pg-btn--quiet { border-color: var(--pg-line); color: var(--pg-muted); }
.pg-btn--quiet:hover { border-color: var(--pg-cyan); color: var(--pg-cyan); }

/* ==========================================================
   HEADER
   ========================================================== */
.pg-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(10, 10, 30, .95);
  border-bottom: 1px solid var(--pg-line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: box-shadow .2s var(--pg-ease);
}
.pg-header[data-scrolled] { box-shadow: 0 18px 34px -26px rgba(0, 0, 0, .95); }

.pg-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(42, 39, 88, .7);
  overflow: hidden;
}
.pg-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--pg-cyan) 0%, var(--pg-violet) 55%, var(--pg-orange) 100%);
}

/* ---- top layer ---- */
.pg-topbar {
  background: rgba(21, 18, 56, .55);
  border-bottom: 1px solid var(--pg-line);
}
.pg-topbar__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 54px;
}

.pg-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  text-decoration: none;
}
.pg-brand__mark {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--pg-cyan);
  border-radius: var(--pg-radius);
  color: var(--pg-cyan);
  font-family: var(--pg-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  box-shadow: 3px 3px 0 rgba(34, 227, 210, .18);
  transition: color .16s var(--pg-ease), border-color .16s var(--pg-ease),
              box-shadow .16s var(--pg-ease), transform .16s var(--pg-ease);
}
.pg-brand:hover .pg-brand__mark,
.pg-brand:focus-visible .pg-brand__mark {
  color: var(--pg-orange);
  border-color: var(--pg-orange);
  box-shadow: 3px 3px 0 rgba(255, 154, 60, .24);
  transform: translate(-1px, -1px);
}
.pg-brand__text { display: block; line-height: 1.2; }
.pg-brand__name {
  display: block;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--pg-text);
}
.pg-brand__line {
  display: block;
  font-family: var(--pg-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--pg-muted);
}

.pg-topbar__meta {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
  font-size: 13px;
  color: var(--pg-muted);
}
.pg-topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.pg-topbar__item--soft { color: rgba(165, 162, 204, .68); }

.pg-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pg-cyan);
  box-shadow: 0 0 0 3px rgba(34, 227, 210, .14);
  animation: pg-pulse 3.4s var(--pg-ease) infinite;
}
@keyframes pg-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .32; }
}

.pg-topbar__link {
  font-family: var(--pg-mono);
  font-size: 13px;
  color: var(--pg-violet);
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 92, 255, .4);
  transition: color .16s var(--pg-ease), border-color .16s var(--pg-ease);
}
.pg-topbar__link:hover,
.pg-topbar__link:focus-visible {
  color: var(--pg-cyan);
  border-color: var(--pg-cyan);
}

/* ---- main layer ---- */
.pg-navbar__inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 72px;
}

.pg-nav { flex: 1 1 auto; min-width: 0; }
.pg-nav__list { display: flex; align-items: stretch; gap: 2px; }

.pg-nav__item { display: flex; }

.pg-nav__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 14px 14px 18px;
  border-radius: var(--pg-radius);
  color: var(--pg-text);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: color .16s var(--pg-ease), background-color .16s var(--pg-ease);
}
.pg-nav__num {
  font-family: var(--pg-mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--pg-muted);
  transition: color .16s var(--pg-ease);
}
.pg-nav__link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--pg-cyan);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .2s var(--pg-ease);
}
.pg-nav__link::before {
  content: "";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 5px;
  height: 5px;
  border-radius: 1px;
  background: var(--pg-gold);
  opacity: 0;
  transition: opacity .16s var(--pg-ease);
}
.pg-nav__link:hover,
.pg-nav__link:focus-visible {
  color: var(--pg-cyan);
  background: rgba(34, 227, 210, .06);
}
.pg-nav__link:hover .pg-nav__num,
.pg-nav__link:focus-visible .pg-nav__num { color: var(--pg-cyan); }
.pg-nav__link:hover::after,
.pg-nav__link:focus-visible::after { transform: scaleX(1); }

.pg-nav__link[aria-current="page"] {
  color: var(--pg-cyan);
  background: rgba(34, 227, 210, .08);
}
.pg-nav__link[aria-current="page"] .pg-nav__num { color: var(--pg-cyan); }
.pg-nav__link[aria-current="page"]::after { transform: scaleX(1); }
.pg-nav__link[aria-current="page"]::before { opacity: 1; }

.pg-navbar__cta { margin-left: auto; flex: 0 0 auto; }

/* ---- mobile toggle ---- */
.pg-navtoggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--pg-line);
  border-radius: var(--pg-radius);
  color: var(--pg-text);
  font-size: 14px;
  font-weight: 500;
  transition: color .16s var(--pg-ease), border-color .16s var(--pg-ease);
}
.pg-navtoggle:hover,
.pg-navtoggle:focus-visible { color: var(--pg-cyan); border-color: var(--pg-cyan); }
.pg-navtoggle__bars { display: inline-flex; flex-direction: column; gap: 4px; width: 18px; }
.pg-navtoggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .18s var(--pg-ease), opacity .18s var(--pg-ease);
}
.pg-navtoggle[aria-expanded="true"] { color: var(--pg-cyan); border-color: var(--pg-cyan); }
.pg-navtoggle[aria-expanded="true"] .pg-navtoggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.pg-navtoggle[aria-expanded="true"] .pg-navtoggle__bars span:nth-child(2) { opacity: 0; }
.pg-navtoggle[aria-expanded="true"] .pg-navtoggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---- assist strip ---- */
.pg-assist {
  border-top: 1px solid var(--pg-line);
  background: rgba(10, 10, 30, .6);
}
.pg-assist__inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 30px;
  font-family: var(--pg-mono);
  font-size: 10px;
  letter-spacing: .16em;
  color: rgba(165, 162, 204, .6);
}
.pg-assist__text {
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: .12em;
}
.pg-assist__coord { color: rgba(34, 227, 210, .55); }

/* ==========================================================
   FOOTER
   ========================================================== */
.pg-footer {
  position: relative;
  z-index: 1;
  margin-top: 104px;
  border-top: 1px solid var(--pg-line);
  background: linear-gradient(180deg, rgba(21, 18, 56, .6) 0%, rgba(10, 10, 30, .98) 62%);
}
.pg-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--pg-line) 0 1px, transparent 1px 28px);
}

.pg-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.05fr 1.4fr;
  gap: 40px 32px;
  padding: 72px 0 48px;
}

.pg-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}
.pg-footer__note {
  max-width: 30ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pg-muted);
}
.pg-footer__reg {
  padding: 5px 10px;
  border: 1px solid var(--pg-line);
  border-radius: var(--pg-radius);
  font-family: var(--pg-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(165, 162, 204, .7);
}

.pg-footer__col { display: flex; flex-direction: column; }

.pg-footer__title {
  position: relative;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pg-line);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--pg-muted);
}
.pg-footer__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 28px;
  height: 1px;
  background: var(--pg-cyan);
}

.pg-footer__list { display: flex; flex-direction: column; gap: 11px; }

.pg-footer__link {
  display: inline-block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--pg-text);
  text-decoration: none;
  transition: color .16s var(--pg-ease), transform .16s var(--pg-ease);
}
.pg-footer__link:hover,
.pg-footer__link:focus-visible {
  color: var(--pg-cyan);
  transform: translateX(3px);
}

/* ---- feedback ---- */
.pg-feedback__tip {
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--pg-muted);
}
.pg-feedback__toggle { align-self: flex-start; }

.pg-feedback__panel {
  margin-top: 14px;
  padding: 16px;
  border: 1px solid var(--pg-line);
  border-left: 2px solid var(--pg-orange);
  border-radius: var(--pg-radius);
  background: var(--pg-panel);
}
.pg-feedback__panel[hidden] { display: none; }

.pg-feedback__lead {
  margin-bottom: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--pg-muted);
}
.pg-feedback__mail {
  display: inline-block;
  padding: 7px 10px;
  border: 1px dashed rgba(255, 154, 60, .5);
  border-radius: var(--pg-radius);
  font-family: var(--pg-mono);
  font-size: 13px;
  color: var(--pg-orange);
  text-align: left;
  transition: color .16s var(--pg-ease), border-color .16s var(--pg-ease), border-style .16s var(--pg-ease);
}
.pg-feedback__mail:hover { border-style: solid; border-color: var(--pg-orange); }
.pg-feedback__mail[data-copied] {
  color: var(--pg-cyan);
  border-color: var(--pg-cyan);
  border-style: solid;
}
.pg-feedback__hint {
  margin-top: 9px;
  font-size: 11px;
  letter-spacing: .08em;
  color: rgba(165, 162, 204, .7);
}

/* ---- contact ---- */
.pg-footer__contact {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  padding: 28px 0;
  border-top: 1px solid var(--pg-line);
  border-bottom: 1px solid var(--pg-line);
}
.pg-footer__contact-item {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.pg-footer__key {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--pg-muted);
}
.pg-footer__value {
  font-size: 14px;
  line-height: 1.65;
  color: var(--pg-text);
  text-decoration: none;
}
.pg-copy {
  align-self: flex-start;
  font-family: var(--pg-mono);
  font-size: 14px;
  color: var(--pg-cyan);
  text-align: left;
  border-bottom: 1px dashed rgba(34, 227, 210, .45);
  padding-bottom: 2px;
  transition: color .16s var(--pg-ease), border-color .16s var(--pg-ease);
}
.pg-copy:hover,
.pg-copy:focus-visible {
  color: var(--pg-orange);
  border-color: var(--pg-orange);
}
.pg-copy[data-copied] {
  color: var(--pg-orange);
  border-bottom-style: solid;
  border-color: var(--pg-orange);
}

.pg-footer__disclaimer {
  max-width: 80ch;
  padding: 18px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(165, 162, 204, .72);
}

.pg-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  padding: 24px 0 44px;
}
.pg-footer__copy {
  max-width: none;
  font-size: 13px;
  color: var(--pg-muted);
}
.pg-footer__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.pg-footer__links a {
  color: var(--pg-muted);
  text-decoration: none;
  transition: color .16s var(--pg-ease);
}
.pg-footer__links a:hover,
.pg-footer__links a:focus-visible { color: var(--pg-cyan); }
.pg-footer__sep { color: var(--pg-line); }

/* ==========================================================
   REVEAL
   ========================================================== */
[data-reveal] {
  transition: opacity .45s var(--pg-ease), transform .45s var(--pg-ease);
}
.pg-js [data-reveal]:not(.is-revealed) {
  opacity: 0;
  transform: translateY(12px);
}

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 1100px) {
  .pg-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px 28px;
  }
  .pg-footer__brand { grid-column: 1 / -1; }
  .pg-grid--sidebar { grid-template-columns: 1fr; gap: 36px; }
  .pg-axis {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px 18px;
  }
}

@media (max-width: 1000px) {
  html { scroll-padding-top: 130px; }

  .pg-navtoggle { display: inline-flex; }

  .pg-navbar__inner {
    flex-wrap: wrap;
    min-height: 64px;
    padding-top: 12px;
    padding-bottom: 12px;
    gap: 12px;
  }
  .pg-nav {
    order: 3;
    flex: 1 0 100%;
    display: none;
    padding-bottom: 8px;
  }
  .pg-nav[data-open] { display: block; }
  .pg-nav__list { flex-direction: column; gap: 0; }
  .pg-nav__item { display: block; }
  .pg-nav__link {
    justify-content: space-between;
    padding: 14px 4px;
    border-bottom: 1px solid rgba(42, 39, 88, .55);
    border-radius: 0;
    font-size: 16px;
  }
  .pg-nav__link::after { left: 0; right: 0; bottom: 0; }
  .pg-nav__link::before { display: none; }
  .pg-nav__item:last-child .pg-nav__link { border-bottom: 0; }

  .pg-navbar__cta { margin-left: auto; }
  .pg-assist { display: none; }
}

@media (max-width: 860px) {
  .pg-grid--3,
  .pg-grid--2 { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  :root { --pg-gutter: 20px; }
  body { font-size: 16px; }
  .pg-section,
  .pg-band { padding: 64px 0; }
  .pg-section--tight { padding: 48px 0; }
  .pg-footer { margin-top: 64px; }
  .pg-footer__grid { grid-template-columns: 1fr 1fr; padding: 52px 0 36px; }
  .pg-footer__contact { grid-template-columns: 1fr; gap: 16px; }
  .pg-topbar__inner { min-height: 48px; gap: 14px; }
  .pg-topbar__item--key,
  .pg-topbar__item--soft { display: none; }
}

@media (max-width: 520px) {
  .pg-footer__grid { grid-template-columns: 1fr; }
  .pg-brand__mark { width: 32px; height: 32px; flex-basis: 32px; }
  .pg-brand__name { font-size: 16px; }
  .pg-navbar__cta { padding: 10px 14px; font-size: 14px; }
  .pg-btn { padding: 11px 18px; font-size: 14px; }
}

/* ==========================================================
   MOTION PREFERENCES
   ========================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .pg-js [data-reveal]:not(.is-revealed) {
    opacity: 1;
    transform: none;
  }
  .pg-dot { animation: none; }
}