/* =========================================================
   神殿棋牌局 · /assets/site.css
   共享外壳与通用组件样式
   ========================================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 7.5rem;
}

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, dl, dd, figure, blockquote {
  margin: 0;
}

ul[class],
ol[class] {
  list-style: none;
  padding: 0;
}

img,
svg,
video {
  max-width: 100%;
  display: block;
}

button {
  font: inherit;
  color: inherit;
}

a {
  color: var(--neon);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

/* ---------- variables ---------- */
:root {
  --temple: #1B1033;
  --night: #2A1A4D;
  --gold: #C9A227;
  --gold-bright: #F0D07A;
  --gold-deep: #8A6A12;
  --neon: #2FE3D0;
  --neon-deep: #0E7C74;
  --volt: #FF3B5C;
  --ember: #FF8A3D;
  --cream: #F4EDE3;
  --ink: #14101C;
  --stone: #B9B0C7;

  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --wrap: 1200px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --rule-soft: rgba(201, 162, 39, 0.16);
  --rule: rgba(201, 162, 39, 0.34);

  --step-1: 0.75rem;
  --step0: 1rem;
  --step1: 1.25rem;
  --step2: 1.5625rem;
  --step3: 1.9531rem;
  --step4: 2.4414rem;
}

/* ---------- base ---------- */
body {
  min-height: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--cream);
  background-color: var(--temple);
  background-image:
    radial-gradient(120% 80% at 50% -10%, rgba(42, 26, 77, 0.95) 0%, rgba(27, 16, 51, 0) 62%),
    repeating-linear-gradient(0deg, rgba(240, 208, 122, 0.045) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(90deg, rgba(240, 208, 122, 0.045) 0 1px, transparent 1px 46px);
  background-attachment: fixed, scroll, scroll;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--gold-bright);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

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

.measure { max-width: 68ch; }

.rule {
  height: 1px;
  border: 0;
  margin: clamp(1.6rem, 4vw, 3rem) 0;
  background: linear-gradient(90deg, transparent, var(--rule), transparent);
}

.rule--gold { background: linear-gradient(90deg, var(--gold), rgba(201, 162, 39, 0)); }

/* ---------- skip link ---------- */
.skip-link {
  position: fixed;
  top: -6rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  padding: 0.65rem 1.15rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
  background: var(--neon);
  text-decoration: none;
  transition: top 0.2s ease-out;
}

.skip-link:focus {
  top: 0.6rem;
}

/* ---------- header : masthead ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: linear-gradient(180deg, #1B1033 0%, #221340 100%);
  border-bottom: 1px solid var(--rule);
}

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem 0.6rem;
  transition: padding 0.25s ease-out;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: inherit;
}

.brand__glyph {
  flex: none;
  width: 34px;
  height: 34px;
  color: var(--gold-bright);
  transition: color 0.25s ease-out, transform 0.25s ease-out;
}

.brand:hover .brand__glyph {
  color: var(--neon);
  transform: rotate(6deg);
}

.brand__text { display: block; }

.brand__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--cream);
  text-shadow:
    0 0 12px rgba(240, 208, 122, 0.35),
    0 0 22px rgba(47, 227, 208, 0.28);
  transition: font-size 0.25s ease-out;
}

.brand__tag {
  display: block;
  margin-top: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.masthead__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: none;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--rule-soft);
  background: rgba(20, 16, 28, 0.5);
}

.mono-index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.masthead__meta .mono-index { color: var(--gold-bright); }

.dot-live {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--volt);
  box-shadow: 0 0 0 0 rgba(255, 59, 92, 0.55);
  animation: pulse-dot 2.4s ease-out infinite;
}

@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(255, 59, 92, 0.55); }
  70%  { box-shadow: 0 0 0 9px rgba(255, 59, 92, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 59, 92, 0); }
}

/* 滚动后的收窄状态 */
.site-header[data-compact] .masthead__inner {
  padding-block: 0.42rem 0.3rem;
}

.site-header[data-compact] .brand__name { font-size: 1.15rem; }

.site-header[data-compact] .brand__tag {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}

.brand__tag {
  max-height: 2rem;
  opacity: 1;
  transition: max-height 0.25s ease-out, opacity 0.2s ease-out;
}

/* ---------- header : nav strip ---------- */
.nav-strip {
  background: rgba(20, 16, 28, 0.42);
  border-bottom: 1px solid var(--rule);
}

.nav-strip__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.6rem;
  padding-block: 0.28rem;
}

.nav-strip__index {
  justify-self: start;
  color: var(--stone);
}

.nav-strip__index .mono-index { color: var(--stone); }

.nav {
  grid-column: 2;
  justify-self: center;
}

.nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0 0.1rem;
}

.nav__link {
  position: relative;
  display: block;
  padding: 0.5rem 0.78rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.13em;
  color: var(--stone);
  text-decoration: none;
  transition: color 0.22s ease-out;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0.78rem;
  right: 0.78rem;
  bottom: 0.26rem;
  height: 1px;
  background: var(--neon);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.28s ease-out;
}

.nav__link:hover,
.nav__link:focus-visible { color: var(--gold-bright); }

.nav__link:hover::after,
.nav__link:focus-visible::after { transform: scaleX(1); }

.nav__link[aria-current="page"] { color: var(--gold-bright); }

.nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--gold);
}

.nav-strip__cta {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav__actions { display: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.62rem 1.05rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: transform 0.22s ease-out, filter 0.22s ease-out, background-color 0.22s ease-out, color 0.22s ease-out;
}

.btn--sm {
  padding: 0.42rem 0.8rem;
  font-size: 0.78rem;
}

.btn--gold {
  color: var(--ink);
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
}

.btn--ghost {
  color: var(--neon);
  background: rgba(47, 227, 208, 0.06);
  border-color: rgba(47, 227, 208, 0.55);
}

.btn:hover,
.btn:focus-visible { transform: translateY(-1px); }

.btn--gold:hover,
.btn--gold:focus-visible {
  filter: drop-shadow(0 0 12px rgba(240, 208, 122, 0.45));
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  color: var(--ink);
  background: var(--neon);
  filter: drop-shadow(0 0 12px rgba(47, 227, 208, 0.45));
}

/* ---------- nav toggle ---------- */
.nav-toggle {
  display: none;
  grid-column: 2;
  justify-self: end;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--gold-bright);
  background: rgba(42, 26, 77, 0.7);
  border: 1px solid var(--rule);
  cursor: pointer;
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: var(--neon);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--neon);
  transition: transform 0.25s ease-out;
}

.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---------- read progress ---------- */
.read-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(240, 208, 122, 0.12);
  overflow: hidden;
}

.read-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--neon), var(--ember));
}

/* ---------- section heading ---------- */
.sec-head {
  display: grid;
  gap: 0.45rem;
  margin-bottom: clamp(1.2rem, 2.6vw, 2rem);
}

.sec-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.sec-num::after {
  content: "";
  display: inline-block;
  width: 30px;
  height: 1px;
  margin-left: 0.6rem;
  vertical-align: middle;
  background: var(--gold);
}

.sec-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.2vw, 2.05rem);
  line-height: 1.28;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.sec-note {
  max-width: 64ch;
  font-size: 0.95rem;
  color: var(--stone);
}

/* ---------- band ---------- */
.band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1.25rem;
  padding: 0.85rem clamp(1rem, 2.5vw, 1.6rem);
  background: linear-gradient(90deg, rgba(42, 26, 77, 0.95), rgba(27, 16, 51, 0.55));
  border-left: 3px solid var(--gold);
}

.band__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold-bright);
  text-transform: uppercase;
}

/* ---------- panel ---------- */
.panel {
  position: relative;
  padding: clamp(1.1rem, 2.4vw, 1.75rem);
  background: linear-gradient(160deg, rgba(42, 26, 77, 0.92), rgba(27, 16, 51, 0.96));
  border: 1px solid var(--rule-soft);
}

.panel--cut {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.panel--cut::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 52px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 39, 0));
}

.panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.9rem;
  margin-bottom: 0.8rem;
}

.panel__title {
  font-family: var(--font-display);
  font-size: var(--step1);
  font-weight: 700;
  line-height: 1.35;
  color: var(--cream);
}

.panel__body { color: rgba(244, 237, 227, 0.82); }

/* ---------- data plate ---------- */
.data-plate {
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.7rem 1rem;
  background: rgba(20, 16, 28, 0.6);
  border: 1px solid var(--rule-soft);
  border-bottom: 2px solid var(--gold);
}

.data-plate__value {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--gold-bright);
}

.data-plate__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--stone);
}

/* ---------- chips & badges ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.22rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  border: 1px solid currentColor;
}

.chip--gold { color: var(--gold-bright); background: rgba(201, 162, 39, 0.12); }
.chip--neon { color: var(--neon); background: rgba(47, 227, 208, 0.1); }
.chip--volt { color: var(--volt); background: rgba(255, 59, 92, 0.12); }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--gold-bright);
}

.badge--volt {
  color: #fff;
  background: var(--volt);
}

/* ---------- grid ---------- */
.grid {
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.75rem);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); }
.grid--side { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }

@media (max-width: 900px) {
  .grid--side { grid-template-columns: 1fr; }
}

@media (min-width: 1000px) {
  .offset--left { margin-left: clamp(-2.5rem, -3vw, -1rem); }
  .offset--right { margin-right: clamp(-2.5rem, -3vw, -1rem); }
}

/* ---------- prose ---------- */
.prose {
  max-width: 68ch;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: rgba(244, 237, 227, 0.86);
}

.prose > * + * { margin-top: 1.05em; }

.prose h2 {
  margin-top: 2.1em;
  font-family: var(--font-display);
  font-size: var(--step3);
  line-height: 1.35;
  color: var(--gold-bright);
}

.prose h3 {
  margin-top: 1.7em;
  font-size: var(--step1);
  line-height: 1.4;
  color: var(--cream);
}

.prose ul,
.prose ol { padding-left: 1.4em; }

.prose li + li { margin-top: 0.45em; }

.prose strong { color: var(--gold-bright); }

.prose code {
  padding: 0.12em 0.4em;
  font-family: var(--font-mono);
  font-size: 0.92em;
  color: var(--neon);
  background: rgba(47, 227, 208, 0.12);
}

.prose blockquote {
  padding-left: 1rem;
  border-left: 2px solid var(--gold);
  color: var(--stone);
}

.prose--light { color: rgba(20, 16, 28, 0.86); }

.prose--light h2,
.prose--light h3 { color: #2A1A4D; }

.prose--light strong { color: var(--gold-deep); }

.prose--light code {
  color: var(--neon-deep);
  background: rgba(14, 124, 116, 0.12);
}

/* ---------- breadcrumbs ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.crumbs__link {
  color: var(--gold-bright);
  text-decoration: none;
  transition: color 0.22s ease-out;
}

.crumbs__link:hover,
.crumbs__link:focus-visible { color: var(--neon); }

.crumbs__sep { color: var(--gold-deep); }

/* ---------- figure ---------- */
.figure {
  display: grid;
  gap: 0.6rem;
  margin: 0;
}

.figure__frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background-color: var(--night);
  background-image:
    repeating-linear-gradient(0deg, rgba(240, 208, 122, 0.07) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(90deg, rgba(240, 208, 122, 0.07) 0 1px, transparent 1px 34px);
  border: 1px solid var(--rule-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.figure__frame--tall { aspect-ratio: 4 / 5; }
.figure__frame--wide { aspect-ratio: 21 / 9; }

.figure__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0.25rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--gold-bright);
  background: var(--temple);
}

.figure__caption {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- table ---------- */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.table caption {
  padding-bottom: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--stone);
  text-align: left;
}

.table th,
.table td {
  padding: 0.7rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--rule-soft);
}

.table th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--gold-bright);
  background: rgba(42, 26, 77, 0.5);
}

.table td { color: rgba(244, 237, 227, 0.85); }

.table tbody tr:hover td { background: rgba(47, 227, 208, 0.06); }

.table .num {
  font-family: var(--font-mono);
  color: var(--neon);
}

/* ---------- accordion ---------- */
.accordion { border-top: 1px solid var(--rule-soft); }

.accordion__item { border-bottom: 1px solid var(--rule-soft); }

.accordion__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1rem 0.25rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--cream);
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  transition: color 0.22s ease-out;
}

.accordion__btn::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--neon);
  transition: transform 0.25s ease-out;
}

.accordion__btn:hover { color: var(--gold-bright); }

.accordion__btn[aria-expanded="true"] { color: var(--gold-bright); }

.accordion__btn[aria-expanded="true"]::after {
  content: "−";
  transform: rotate(180deg);
}

.accordion__panel {
  padding: 0 0.25rem 1.15rem;
  font-size: 0.95rem;
  color: var(--stone);
}

.accordion__panel[hidden] { display: none; }

/* ---------- timeline ---------- */
.timeline {
  display: grid;
  gap: 1.25rem;
  padding-left: 1.25rem;
  border-left: 2px solid rgba(201, 162, 39, 0.35);
}

.timeline__item { position: relative; }

.timeline__item::before {
  content: "";
  position: absolute;
  left: -1.55rem;
  top: 0.55rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(47, 227, 208, 0.18);
}

.timeline__date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--gold-bright);
}

/* ---------- reveal ---------- */
.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- footer ---------- */
.site-footer {
  margin-top: clamp(3rem, 8vw, 6rem);
  background: linear-gradient(180deg, #201243 0%, #160D2B 100%);
  border-top: 1px solid var(--rule);
}

.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 2.4fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-block: clamp(2.4rem, 6vw, 4rem);
}

.footer__brand { display: grid; align-content: start; gap: 0.9rem; }

.footer__mark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 4vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--cream);
  text-shadow: 0 0 16px rgba(240, 208, 122, 0.3);
}

.footer__mark::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  margin-top: 0.65rem;
  background: linear-gradient(90deg, var(--gold), var(--neon));
}

.footer__closing {
  max-width: 36ch;
  font-size: 0.92rem;
  color: var(--stone);
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1rem, 2.5vw, 1.75rem);
}

.footer__title {
  margin-bottom: 0.75rem;
  padding-bottom: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--gold);
  border-bottom: 1px solid var(--rule-soft);
}

.footer__list { display: grid; gap: 0.45rem; }

.footer__link {
  font-size: 0.88rem;
  color: var(--stone);
  text-decoration: none;
  word-break: break-word;
  transition: color 0.22s ease-out;
}

.footer__link:hover,
.footer__link:focus-visible { color: var(--neon); }

.footer__bottom {
  display: grid;
  gap: 0.55rem;
  padding-block: 1.4rem;
  font-size: 0.78rem;
  color: var(--stone);
  border-top: 1px solid var(--rule-soft);
}

.footer__legal {
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  color: var(--gold-bright);
}

.footer__service { max-width: 80ch; }

.footer__copy {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
}

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .nav-strip__cta .btn {
    padding: 0.4rem 0.7rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 960px) {
  html { scroll-padding-top: 6rem; }

  .nav-strip__cta { display: none; }

  .nav-strip__inner {
    grid-template-columns: 1fr auto;
    padding-block: 0.35rem;
  }

  .nav-strip__index { display: none; }

  .nav-toggle { display: inline-flex; }

  .nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: stretch;
    display: none;
    max-height: calc(100vh - 8rem);
    overflow-y: auto;
    margin-top: 0.4rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--rule-soft);
  }

  .nav[data-open] { display: block; }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav__link {
    padding: 0.75rem 0.25rem;
    border-bottom: 1px solid rgba(201, 162, 39, 0.12);
  }

  .nav__link::after {
    left: 0.25rem;
    right: auto;
    bottom: 0.55rem;
    width: 2rem;
  }

  .nav__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    padding: 1rem 0 0.6rem;
  }

  .footer__top { grid-template-columns: 1fr; }
  .footer__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .brand__tag { display: none; }
  .masthead__meta { display: none; }
  .brand__glyph { width: 28px; height: 28px; }
  .footer__nav { grid-template-columns: 1fr; }
  .grid--2,
  .grid--3 { grid-template-columns: 1fr; }
}

/* ---------- motion preference ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal-ready [data-reveal],
  .reveal-ready [data-reveal].is-visible {
    opacity: 1 !important;
    transform: none !important;
  }

  .btn:hover,
  .btn:focus-visible { transform: none; }
}