/* =========================================================
   三亿平台 Site Kit — /assets/site.css
   竞技场数据指挥中心 · 非对称编辑部版式 · 对角线运动系统
   ========================================================= */

/* ---------- 1. Reset & Tokens ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --orange: #ff4d24;
  --navy: #0b1021;
  --green: #39ff88;
  --cyan: #00e5d0;
  --violet: #7b6cff;
  --light: #f5f2ec;
  --grey: #2a2f3a;
  --ink: #1a1d24;
  --muted: #6b7280;

  --container-w: 1320px;
  --gap: 24px;

  --font-head: "Arial Black", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", "Consolas", monospace;

  --shadow-1: 0 1px 0 rgba(0, 0, 0, 0.35), 0 4px 14px rgba(0, 0, 0, 0.18);
  --shadow-2: 0 10px 30px rgba(4, 8, 20, 0.35);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink);
  background:
    repeating-linear-gradient(135deg, rgba(11, 16, 33, 0.028) 0, rgba(11, 16, 33, 0.028) 1px, transparent 1px, transparent 18px),
    var(--light);
}

body.nav-lock {
  overflow: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

a {
  color: inherit;
}

button {
  font: inherit;
  cursor: pointer;
}

/* ---------- 2. Base Typography ---------- */
h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--navy);
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.35), 0 6px 18px rgba(0, 0, 0, 0.1);
}

h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.75rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.0625rem; }

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

.on-dark {
  color: var(--light);
}

.on-dark h1,
.on-dark h2,
.on-dark h3,
.on-dark h4 {
  color: var(--light);
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.45);
}

.on-dark .muted-text {
  color: rgba(245, 242, 236, 0.62);
}

/* ---------- 3. Accessibility ---------- */
:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 1000;
  padding: 10px 18px;
  background: var(--cyan);
  color: var(--navy);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
  transition: top 0.25s var(--ease);
}

.skip-link:focus {
  top: 8px;
}

#main-content {
  display: block;
  min-height: 60vh;
}

#main-content:focus {
  outline: none;
}

/* ---------- 4. Container & Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 24px;
}

.section {
  padding: 72px 0;
}

.section-cond {
  padding: 40px 0;
}

.section-dark {
  background:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.018) 0, rgba(255, 255, 255, 0.018) 1px, transparent 1px, transparent 22px),
    var(--navy);
  color: var(--light);
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}

.section-kicker::before {
  content: "//";
  color: var(--green);
  font-weight: 700;
}

.section-title {
  margin-bottom: 12px;
}

.section-lead {
  max-width: 64ch;
  margin-bottom: 24px;
  color: var(--muted);
}

.section-dark .section-kicker {
  color: var(--green);
}

.section-dark .section-kicker::before {
  color: var(--orange);
}

.section-dark .section-lead {
  color: rgba(245, 242, 236, 0.72);
}

/* ---------- 5. Grid System ---------- */
.grid {
  display: grid;
  gap: var(--gap);
}

.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-split { grid-template-columns: minmax(0, 1fr) 320px; }
.grid-8 { grid-template-columns: repeat(8, minmax(0, 1fr)); }

.editorial-grid {
  display: grid;
  grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
}

.editorial-aside {
  position: sticky;
  top: 140px;
  padding-left: 16px;
  border-left: 3px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 6. Stage / Hero ---------- */
.stage {
  position: relative;
  overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 24px),
    var(--navy);
  color: var(--light);
  padding: 88px 0 92px;
}

.stage::before {
  content: "";
  position: absolute;
  top: 0;
  right: -80px;
  width: 48%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 77, 36, 0.08) 0%, rgba(255, 77, 36, 0.28) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 8% 100%);
  transform: skewX(-8deg);
}

.stage::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--green) 0%, var(--cyan) 40%, transparent 100%);
  transform: skewX(-45deg);
  transform-origin: left bottom;
}

.stage .container {
  position: relative;
  z-index: 2;
}

.stage-kicker {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
}

.stage-title {
  margin-bottom: 16px;
  color: var(--light);
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.45), 0 8px 28px rgba(0, 0, 0, 0.5);
}

.stage-lead {
  max-width: 52ch;
  font-size: 1.0625rem;
  color: rgba(245, 242, 236, 0.78);
}

.stage-index {
  margin-top: 28px;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(245, 242, 236, 0.6);
}

/* ---------- 7. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 12px 24px;
  border: 2px solid transparent;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  color: var(--navy);
  background: transparent;
  transition:
    background-color 0.22s var(--ease),
    border-color 0.22s var(--ease),
    color 0.22s var(--ease),
    transform 0.22s var(--ease),
    box-shadow 0.22s var(--ease);
}

.btn-primary {
  position: relative;
  overflow: hidden;
  padding-left: 30px;
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.22);
}

.btn-primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -10px;
  width: 18px;
  height: 100%;
  background: rgba(11, 16, 33, 0.9);
  transform: skewX(-18deg);
  pointer-events: none;
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  background: #ff6a40;
  border-color: #ff6a40;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.28);
}

.btn-ghost {
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  background: var(--cyan);
  color: var(--navy);
  box-shadow: 0 8px 18px rgba(0, 229, 208, 0.28);
}

.btn-dark {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--light);
}

.btn-dark:hover {
  transform: translateY(-2px);
  background: var(--grey);
  border-color: var(--grey);
}

.btn-sm {
  min-height: 34px;
  padding: 7px 16px;
  font-size: 0.8125rem;
}

/* ---------- 8. Tags ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 12px;
  border: 1px solid var(--grey);
  border-left-width: 4px;
  border-left-color: var(--orange);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--navy);
  background: var(--light);
}

.tag-cyan {
  border-left-color: var(--cyan);
}

.tag-violet {
  border-left-color: var(--violet);
  background: rgba(123, 108, 255, 0.1);
  color: var(--violet);
}

.tag-dark {
  border-color: var(--grey);
  border-left-color: var(--green);
  background: var(--navy);
  color: var(--light);
}

.tag-green {
  border-left-color: var(--green);
  background: rgba(57, 255, 136, 0.08);
}

/* ---------- 9. Cards ---------- */
.card {
  position: relative;
  padding: 28px 24px 24px;
  background: #fff;
  border: 1px solid var(--grey);
  border-top: 4px solid var(--orange);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.26s var(--ease), box-shadow 0.26s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.14);
}

.card-kicker {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
}

.card-title {
  margin-bottom: 8px;
  font-size: 1.25rem;
}

.card-text {
  margin-bottom: 16px;
  font-size: 0.9375rem;
  color: var(--muted);
}

.card-link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--cyan);
  text-decoration: none;
}

.card-link:hover {
  color: var(--orange);
}

.card-dark {
  background: var(--navy);
  border-color: rgba(255, 255, 255, 0.08);
  border-top-color: var(--green);
  color: var(--light);
}

.card-dark .card-title {
  color: var(--light);
}

.card-dark .card-text {
  color: rgba(245, 242, 236, 0.65);
}

.card-dark .card-link {
  color: var(--green);
}

.card-glass {
  background: rgba(11, 16, 33, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-top-color: var(--violet);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--light);
  box-shadow: 0 10px 30px rgba(4, 8, 20, 0.25);
}

.card-glass .card-title {
  color: var(--light);
}

.card-glass .card-text {
  color: rgba(245, 242, 236, 0.68);
}

.card-glass .card-link {
  color: var(--cyan);
}

/* ---------- 10. Data Numbers ---------- */
.data-num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--navy);
}

.data-num-green {
  color: #0c8a44;
}

.data-num-cyan {
  color: #009c8c;
}

.data-num-label {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.on-dark .data-num {
  color: var(--light);
}

.on-dark .data-num-green {
  color: var(--green);
}

.on-dark .data-num-cyan {
  color: var(--cyan);
}

.on-dark .data-num-label {
  color: rgba(245, 242, 236, 0.55);
}

/* ---------- 11. Breadcrumbs ---------- */
.breadcrumbs {
  padding: 18px 0 6px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--muted);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li + li::before {
  content: "//";
  color: var(--orange);
}

.breadcrumbs a {
  color: var(--cyan);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--orange);
}

.breadcrumbs [aria-current="page"] {
  color: var(--muted);
}

/* ---------- 12. Dividers ---------- */
.divider {
  height: 1px;
  margin: 36px 0;
  border: 0;
  background: linear-gradient(90deg, var(--grey), rgba(42, 47, 58, 0.25) 30%, transparent 100%);
}

.divider-sprint {
  position: relative;
  height: 4px;
  margin: 36px 0;
  border: 0;
  background: var(--orange);
}

.divider-sprint::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 120px;
  height: 100%;
  background: var(--green);
  transform: skewX(-30deg);
}

/* ---------- 13. Prose ---------- */
.prose p + p {
  margin-top: 1em;
}

.prose ul,
.prose ol {
  margin: 1em 0;
  padding-left: 1.4em;
}

.prose ul {
  list-style: disc;
}

.prose ol {
  list-style: decimal;
}

.prose li + li {
  margin-top: 0.4em;
}

.prose a {
  color: var(--cyan);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose a:hover {
  color: var(--orange);
}

.prose h2,
.prose h3 {
  margin-top: 1.6em;
  margin-bottom: 0.5em;
}

/* ---------- 14. Tables ---------- */
.table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--grey);
}

.table-wrap table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.9375rem;
  color: var(--ink);
}

.table-wrap th,
.table-wrap td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(42, 47, 58, 0.16);
}

.table-wrap th {
  background: var(--light);
  border-bottom: 3px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  white-space: nowrap;
}

.table-wrap tbody tr:hover {
  background: rgba(0, 229, 208, 0.07);
}

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

/* ---------- 15. Image Frames ---------- */
.img-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background-color: var(--grey);
}

.img-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 36%, rgba(255, 255, 255, 0.06) 36%, rgba(255, 255, 255, 0.06) 38%, transparent 38%);
  z-index: 1;
  pointer-events: none;
}

.img-frame::after {
  content: "IMG // 图片占位";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: rgba(245, 242, 236, 0.45);
  pointer-events: none;
}

.img-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-frame--filled::before,
.img-frame--filled::after {
  display: none;
}

.img-frame-wide { aspect-ratio: 21 / 9; }
.img-frame-square { aspect-ratio: 1 / 1; }
.img-frame-portrait { aspect-ratio: 4 / 5; }

/* ---------- 16. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 800;
  background: var(--navy);
  box-shadow: var(--shadow-2);
}

.header-top {
  background: var(--ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: rgba(245, 242, 236, 0.66);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 36px;
}

.header-version {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
}

.version-dot {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(57, 255, 136, 0.16), 0 0 8px rgba(57, 255, 136, 0.9);
  animation: version-pulse 2s infinite;
}

@keyframes version-pulse {
  0%, 100% {
    box-shadow: 0 0 0 3px rgba(57, 255, 136, 0.16), 0 0 8px rgba(57, 255, 136, 0.9);
  }
  50% {
    box-shadow: 0 0 0 5px rgba(57, 255, 136, 0.05), 0 0 14px rgba(57, 255, 136, 0.45);
  }
}

.version-label {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.header-top-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
}

.header-top-links a {
  color: rgba(245, 242, 236, 0.68);
  text-decoration: none;
  transition: color 0.2s;
}

.header-top-links a:hover {
  color: var(--cyan);
}

.header-main {
  background: var(--navy);
  border-bottom: 2px solid var(--orange);
}

.header-main-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  color: var(--light);
  text-decoration: none;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--orange);
  color: #fff;
  font-family: var(--font-head);
  font-size: 1.375rem;
  font-weight: 900;
  font-style: italic;
  transform: skewX(-8deg);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.35);
}

.brand-logo span {
  display: block;
  transform: skewX(8deg);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-head);
  font-size: 1.375rem;
  font-weight: 900;
  font-style: italic;
  letter-spacing: 0.02em;
  color: var(--light);
}

.brand-domain {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}

.site-nav {
  display: block;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-list a {
  position: relative;
  display: block;
  padding: 10px 15px;
  color: rgba(245, 242, 236, 0.82);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s;
}

.nav-list a:hover {
  color: var(--orange);
}

.nav-list a[aria-current="page"] {
  color: var(--orange);
}

.nav-list a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 2px;
  height: 3px;
  background: var(--orange);
  transform: skewX(-24deg);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--light);
  transition: transform 0.28s var(--ease), opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0%;
  height: 4px;
  z-index: 2;
  background: linear-gradient(90deg, var(--green), var(--cyan), var(--orange));
  box-shadow: 0 0 12px rgba(57, 255, 136, 0.8);
}

/* ---------- 17. Footer ---------- */
.site-footer {
  position: relative;
  background: var(--navy);
  color: rgba(245, 242, 236, 0.75);
  border-top: 4px solid var(--orange);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -4px;
  right: 0;
  width: 160px;
  height: 6px;
  z-index: 1;
  background: var(--green);
  transform: skewX(-36deg);
  transform-origin: right top;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px 36px;
  padding: 64px 0 56px;
}

.footer-brand {
  max-width: 44ch;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--light);
  font-family: var(--font-head);
  font-size: 1.875rem;
  font-weight: 900;
  font-style: italic;
  line-height: 1.2;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.45);
}

.footer-logo::before {
  content: "";
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  background: var(--orange);
  transform: skewX(-12deg);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.3);
}

.footer-desc {
  margin-top: 16px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(245, 242, 236, 0.65);
}

.footer-contact {
  min-width: 0;
}

.footer-col-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  text-shadow: none;
}

.footer-col-title::before {
  content: "//";
  color: var(--green);
  font-weight: 700;
}

.footer-col li + li {
  margin-top: 10px;
}

.footer-col a {
  color: rgba(245, 242, 236, 0.72);
  text-decoration: none;
  transition: color 0.2s, padding-left 0.2s;
}

.footer-col a:hover {
  color: var(--cyan);
  padding-left: 4px;
}

.footer-contact-list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 20px;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgba(245, 242, 236, 0.72);
}

.footer-contact-list li::before {
  content: ">";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  color: var(--green);
}

.footer-trust {
  border-left: 4px solid var(--orange);
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(245, 242, 236, 0.62);
}

.footer-trust .container {
  padding-top: 14px;
  padding-bottom: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-top: 20px;
  padding-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(245, 242, 236, 0.55);
}

/* ---------- 18. Back to Top ---------- */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 950;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 0;
  background: var(--orange);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 900;
  line-height: 1;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.3);
  opacity: 0;
  transform: translateY(70px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), background-color 0.2s var(--ease);
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--cyan);
  color: var(--navy);
}

/* ---------- 19. Reveal Motion ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal][data-revealed="true"] {
  opacity: 1;
  transform: none;
}

/* ---------- 20. Responsive ---------- */
@media (min-width: 961px) and (max-width: 1200px) {
  .nav-list a {
    padding: 8px 10px;
    font-size: 0.875rem;
  }

  .brand-domain {
    display: none;
  }
}

@media (max-width: 1080px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px 28px;
  }

  .footer-contact {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1000px) {
  .grid-cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-cols-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-split {
    grid-template-columns: 1fr;
  }

  .editorial-grid {
    grid-template-columns: 1fr;
  }

  .editorial-aside {
    position: static;
    top: auto;
    margin-bottom: 8px;
  }
}

@media (max-width: 960px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    background: var(--navy);
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    box-shadow: var(--shadow-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.28s var(--ease), transform 0.28s var(--ease), visibility 0s linear 0.28s;
  }

  .site-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
    transition: opacity 0.28s var(--ease), transform 0.28s var(--ease);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 4px 0 16px;
  }

  .nav-list a {
    padding: 14px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 1rem;
  }

  .nav-list a[aria-current="page"] {
    background: rgba(255, 77, 36, 0.12);
  }

  .nav-list a[aria-current="page"]::after {
    display: none;
  }

  .brand-domain {
    display: none;
  }
}

@media (max-width: 680px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 48px 0 40px;
  }

  .footer-contact {
    grid-column: auto;
  }

  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

@media (max-width: 620px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }

  .stage {
    padding: 64px 0 72px;
  }
}

@media (max-width: 520px) {
  .container {
    padding-inline: 16px;
  }

  .header-top-links a:first-child {
    display: none;
  }
}

/* ---------- 21. Reduced Motion & Print ---------- */
@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;
    transition-delay: 0s !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .scroll-progress {
    display: none;
  }

  .version-dot {
    animation: none;
  }
}

@media print {
  .site-header,
  .site-footer,
  .back-to-top,
  .scroll-progress {
    display: none !important;
  }
}