/* ==================================================
   SITE CSS — 乐鱼体育主站
   数字球场测绘系统 / Digital Stadium Charting
   ================================================== */

:root {
  --color-bg: #0B1E3F;
  --color-bg-deep: #081731;
  --color-bg-soft: #10294D;
  --color-card: #1A3A5C;
  --color-accent: #FF6B35;
  --color-accent-soft: rgba(255, 107, 53, 0.16);
  --color-gold: #F2C94C;
  --color-text: #FFFFFF;
  --color-text-muted: #B0C4DE;
  --color-line: #2A4A6B;
  --color-success: #4CAF50;

  --font-display: "Anton", "Arial Narrow", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", "Liberation Mono", monospace;

  --container: 1440px;
  --pad: clamp(20px, 4vw, 48px);
  --header-h: 88px;

  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --radius-pill: 999px;

  --shadow-1: 0 8px 24px rgba(0, 0, 0, 0.16);
  --shadow-accent: 0 8px 28px rgba(255, 107, 53, 0.30);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
  background-color: var(--color-bg);
  background-image:
    linear-gradient(rgba(176, 196, 222, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 196, 222, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button {
  font: inherit;
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg-deep);
}

.container {
  width: min(100% - var(--pad) * 2, var(--container));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 2000;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-60px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.skip-link:focus-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 30, 63, 0.86);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(42, 74, 107, 0.7);
  transition: box-shadow 0.3s var(--ease-out), background 0.3s var(--ease-out);
}

.site-header[data-scrolled] {
  background: rgba(11, 30, 63, 0.98);
  border-bottom-color: var(--color-line);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1100;
  width: 100%;
  height: 3px;
  pointer-events: none;
  background: transparent;
}

.scroll-progress::after {
  content: "";
  display: block;
  width: var(--scroll-progress, 0%);
  max-width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  transition: width 0.2s linear;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  height: var(--header-h);
  transition: height 0.3s var(--ease-out);
}

.site-header[data-scrolled] .header-inner {
  height: 66px;
}

.brand {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.brand-badge {
  position: relative;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border-radius: 50%;
  background: var(--color-gold);
  transition: transform 0.3s var(--ease-out);
}

.brand-badge::before {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  border: 2px dashed rgba(11, 30, 63, 0.65);
}

.brand-badge::after {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(11, 30, 63, 0.2);
}

.brand:hover .brand-badge {
  transform: rotate(12deg) scale(1.04);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.site-nav {
  display: flex;
  margin-left: auto;
}

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

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--color-text);
  border-radius: var(--radius-pill);
  transition: color 0.25s ease, background 0.25s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s var(--ease-out);
}

.nav-link:hover {
  color: var(--color-gold);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

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

.nav-actions {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  position: relative;
  z-index: 1201;
  width: 46px;
  height: 46px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  background: var(--color-bg-soft);
  transition: background 0.25s ease;
}

.nav-toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-text);
  transition: transform 0.3s var(--ease-out), opacity 0.3s ease;
}

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

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

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

.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 1050;
  background: rgba(6, 18, 38, 0.62);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0s 0.35s;
}

.nav-scrim.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.35s ease;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.25s var(--ease-out), color 0.25s var(--ease-out), border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
  background: #ff8c5a;
  box-shadow: 0 12px 32px rgba(255, 107, 53, 0.4);
}

.btn-outline {
  border-color: var(--color-line);
  background: transparent;
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-gold);
  background: rgba(242, 201, 76, 0.06);
  color: var(--color-gold);
}

.btn-ghost {
  background: rgba(176, 196, 222, 0.08);
  color: var(--color-text);
}

.btn-ghost:hover {
  background: rgba(176, 196, 222, 0.16);
  color: var(--color-gold);
}

.btn-compact {
  padding: 8px 18px;
  font-size: 13px;
}

.btn-block {
  width: 100%;
}

.btn-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 8px rgba(242, 201, 76, 0.8);
}

/* ---------- Footer ---------- */

.site-footer {
  position: relative;
  margin-top: auto;
  padding-top: clamp(48px, 7vw, 84px);
  background:
    linear-gradient(180deg, rgba(26, 58, 92, 0.35), transparent 260px),
    var(--color-bg-deep);
  border-top: 1px solid var(--color-line);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold) 40%, transparent 80%);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.7fr) minmax(0, 1.1fr);
  gap: clamp(32px, 5vw, 72px);
  padding-bottom: clamp(36px, 5vw, 60px);
  border-bottom: 1px solid var(--color-line);
}

.footer-brand-col .brand {
  margin-bottom: 18px;
}

.footer-tagline {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 26px);
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--color-text);
  margin-bottom: 16px;
}

.footer-trust {
  position: relative;
  max-width: 56ch;
  padding: 16px 18px 16px 20px;
  border-left: 3px solid var(--color-gold);
  border-radius: var(--radius-sm);
  background: var(--color-bg-soft);
  font-size: 13px;
  line-height: 1.85;
  color: var(--color-text-muted);
}

.footer-heading {
  position: relative;
  margin-bottom: 20px;
  padding-bottom: 10px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--color-gold);
  border-bottom: 1px solid rgba(42, 74, 107, 0.6);
}

.footer-heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 36px;
  height: 2px;
  background: var(--color-accent);
}

.footer-link-list {
  display: grid;
  gap: 10px;
}

.footer-link-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-muted);
  transition: color 0.25s ease, padding-left 0.25s ease;
}

.footer-link-list a::before {
  content: "→";
  font-family: var(--font-mono);
  color: var(--color-gold);
  opacity: 0.7;
}

.footer-link-list a:hover {
  padding-left: 6px;
  color: var(--color-gold);
}

.footer-contact-list {
  display: grid;
  gap: 14px;
}

.footer-contact-item {
  display: grid;
  gap: 3px;
}

.footer-contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  opacity: 0.75;
}

.footer-contact-link,
.footer-contact-text {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
  word-break: break-word;
}

.footer-contact-link:hover {
  color: var(--color-gold);
}

.footer-bottom {
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
}

.footer-copyright,
.footer-icp {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.footer-icp {
  color: var(--color-gold);
}

/* ---------- Back to Top ---------- */

.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 900;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
  opacity: 0;
  visibility: hidden;
  transform: translateY(18px);
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), visibility 0s 0.3s;
}

.to-top:hover {
  background: var(--color-gold);
  color: var(--color-bg-deep);
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.to-top-icon {
  font-size: 22px;
  line-height: 1;
  transition: transform 0.3s var(--ease-out);
}

.to-top:hover .to-top-icon {
  transform: rotate(360deg);
}

/* ---------- Page Hero ---------- */

.page-hero {
  position: relative;
  padding: clamp(52px, 8vw, 96px) 0 clamp(36px, 6vw, 72px);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 12% 0%, rgba(255, 107, 53, 0.16), transparent 48%),
    radial-gradient(ellipse at 92% 20%, rgba(242, 201, 76, 0.10), transparent 40%),
    var(--color-bg);
  border-bottom: 1px solid var(--color-line);
}

.page-hero::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -6%;
  width: 42vw;
  height: 130%;
  background:
    repeating-linear-gradient(125deg, transparent 0 14px, rgba(242, 201, 76, 0.10) 14px 15px),
    repeating-linear-gradient(125deg, transparent 0 30px, rgba(255, 107, 53, 0.08) 30px 62px);
  transform: skewX(-14deg);
  pointer-events: none;
  opacity: 0.7;
}

.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 14px;
}

.page-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-accent);
}

.page-hero-title {
  position: relative;
  z-index: 1;
  max-width: 15em;
  font-family: var(--font-display);
  font-size: clamp(38px, 6.4vw, 76px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.page-hero-sub {
  position: relative;
  z-index: 1;
  max-width: 58ch;
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text-muted);
}

.page-hero-meta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.page-hero-cta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

/* ---------- Section / Grid ---------- */

.section {
  padding: clamp(40px, 6vw, 84px) 0;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 22px;
  margin-bottom: 32px;
}

.section-index {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--color-accent);
}

.section-index::before {
  content: "/";
  margin-right: 6px;
  color: var(--color-gold);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 42px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.section-sub {
  margin-left: auto;
  max-width: 36ch;
  font-size: 14px;
  text-align: right;
  color: var(--color-text-muted);
}

.grid-2,
.grid-3 {
  display: grid;
  gap: clamp(16px, 3vw, 28px);
}

@media (max-width: 779px) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 519px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- Breadcrumb ---------- */

.breadcrumb {
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.breadcrumb-ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

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

.breadcrumb-li + .breadcrumb-li::before {
  content: "/";
  font-family: var(--font-mono);
  color: var(--color-line);
}

.breadcrumb-link {
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}

.breadcrumb-link:hover {
  color: var(--color-gold);
}

.breadcrumb [aria-current="page"] {
  font-weight: 600;
  color: var(--color-text);
}

/* ---------- Cards ---------- */

.card {
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-card);
  box-shadow: var(--shadow-1);
  transition: border-color 0.3s ease, transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.card:hover {
  border-color: rgba(242, 201, 76, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.22);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.card-body {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text);
}

/* ---------- Stat / Score ---------- */

.stat {
  font-family: var(--font-mono);
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-accent);
}

.stat-gold {
  color: var(--color-gold);
}

.stat-label {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.scoreboard {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-card);
  box-shadow: var(--shadow-1);
}

.score-team {
  display: grid;
  gap: 6px;
  text-align: center;
}

.score-team-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.score-team-score {
  font-family: var(--font-mono);
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
}

.score-divider {
  padding-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.1em;
  color: var(--color-gold);
}

/* ---------- Tags ---------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: rgba(176, 196, 222, 0.06);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.tag-gold {
  border-color: rgba(242, 201, 76, 0.32);
  background: rgba(242, 201, 76, 0.10);
  color: var(--color-gold);
}

.tag-green {
  border-color: rgba(76, 175, 80, 0.34);
  background: rgba(76, 175, 80, 0.10);
  color: var(--color-success);
}

.tag-accent {
  border-color: rgba(255, 107, 53, 0.32);
  background: rgba(255, 107, 53, 0.10);
  color: var(--color-accent);
}

/* ---------- TOC ---------- */

.toc {
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: rgba(26, 58, 92, 0.55);
}

.toc-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.toc-list {
  counter-reset: toc;
}

.toc-item {
  counter-increment: toc;
}

.toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text-muted);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.toc-link::before {
  content: "0" counter(toc);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-accent);
}

.toc-link:hover {
  background: rgba(176, 196, 222, 0.08);
  transform: translateX(4px);
  color: var(--color-text);
}

/* ---------- Content Rich ---------- */

.content-rich {
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text-muted);
}

.content-rich p {
  margin-bottom: 18px;
}

.content-rich strong {
  color: var(--color-text);
}

.content-rich a {
  color: var(--color-gold);
  text-decoration: underline;
  text-decoration-color: rgba(242, 201, 76, 0.4);
  text-underline-offset: 4px;
}

.content-rich h2,
.content-rich h3 {
  margin: 32px 0 12px;
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--color-text);
}

.content-rich h2 {
  font-size: 28px;
}

.content-rich h3 {
  font-size: 22px;
}

/* ---------- Image Frame ---------- */

.image-frame {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-soft);
  background-image:
    linear-gradient(rgba(176, 196, 222, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 196, 222, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--color-text-muted);
}

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

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  :root {
    --header-h: 72px;
  }

  .header-inner > .header-actions {
    display: none;
  }

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

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    width: min(84vw, 360px);
    margin-left: 0;
    padding: calc(var(--header-h) + 20px) 26px 32px;
    background: var(--color-bg-soft);
    border-left: 1px solid var(--color-line);
    box-shadow: -32px 0 60px rgba(4, 12, 27, 0.5);
    visibility: hidden;
    transform: translateX(100%);
    transition: transform 0.38s var(--ease-out), visibility 0s 0.38s;
  }

  .site-nav[data-open] {
    visibility: visible;
    transform: translateX(0);
    transition: transform 0.38s var(--ease-out);
  }

  .nav-list {
    display: grid;
    flex: 1;
    align-content: start;
    gap: 2px;
  }

  .nav-link {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0 14px;
    font-size: 17px;
    border-radius: 14px;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link:hover,
  .nav-link[aria-current="page"] {
    background: var(--color-bg);
    color: var(--color-gold);
  }

  .nav-actions {
    display: grid;
    gap: 10px;
    padding-top: 22px;
    margin-top: 6px;
    border-top: 1px solid var(--color-line);
  }
}

@media (max-width: 860px) {
  .footer-top {
    grid-template-columns: minmax(0, 1fr);
    gap: 34px;
  }
}

@media (max-width: 600px) {
  .to-top {
    right: 14px;
    bottom: 14px;
    width: 46px;
    height: 46px;
  }

  .to-top-icon {
    font-size: 18px;
  }
}

/* ---------- Reduced Motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .site-nav,
  .nav-scrim,
  .to-top,
  .scroll-progress::after,
  .nav-link::after {
    transition: none;
  }
}