/* ==========================================================
   江南体育 · JN DATA TERMINAL — SHARED SITE KIT
   /assets/site.css
   ========================================================== */

/* ---------- RESET & BASE ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background: var(--color-primary-deep);
  scroll-behavior: smooth;
  scrollbar-color: var(--color-surface-2) var(--color-bg-black);
  scrollbar-width: thin;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-primary-deep);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul,
ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

a {
  color: var(--color-accent-green);
  text-decoration: none;
  transition: color 0.25s ease;
}

a:hover {
  color: #5dffad;
}

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

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-black);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-grid);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-green);
}

/* ---------- DESIGN TOKENS ---------- */
:root {
  --color-primary-deep: #0A1128;
  --color-bg-black: #050A1A;
  --color-accent-green: #00FF88;
  --color-accent-orange: #FF8C00;
  --color-surface-1: #111827;
  --color-surface-2: #1F2937;
  --color-text-primary: #E5E7EB;
  --color-text-muted: #9CA3AF;
  --color-border-grid: #2D3748;
  --color-highlight-blue: #3B82F6;

  --font-headline: "DIN Condensed", "Arial Narrow", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "JetBrains Mono", "Roboto Mono", "SFMono-Regular", "Consolas", "PingFang SC", monospace;

  --container-max: 1440px;
  --container-pad: 24px;

  --z-header: 1000;
  --z-skip: 9999;

  --radius: 0;
}

/* ---------- FOCUS VISIBLE ---------- */
:focus-visible {
  outline: 3px solid var(--color-accent-green);
  outline-offset: 2px;
  border-radius: 0;
}

/* ---------- LAYOUT & CONTAINER ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

#main-content {
  flex: 1 0 auto;
  width: 100%;
}

/* ---------- SKIP LINK ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: var(--z-skip);
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  background: var(--color-accent-green);
  color: var(--color-bg-black);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.skip-link:focus {
  left: 0;
}

/* ---------- SITE HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-primary-deep);
  border-top: 3px solid var(--color-border-grid);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

.site-header__topline {
  position: absolute;
  top: -3px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent-green);
  transform: scaleX(0);
  transform-origin: left center;
  z-index: 3;
  pointer-events: none;
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.45);
  will-change: transform;
}

.site-header__top {
  background:
    linear-gradient(rgba(0, 255, 136, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.035) 1px, transparent 1px),
    var(--color-bg-black);
  background-size: 24px 24px;
  border-bottom: 1px solid var(--color-border-grid);
}

.site-header__top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 96px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.site-header__brand-zone {
  display: flex;
  align-items: center;
  gap: 28px;
  min-width: 0;
}

.site-header__bottom {
  background: var(--color-primary-deep);
}

.site-header__bottom-inner {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 24px;
  min-height: 56px;
}

/* ---------- BRAND IDENTITY ---------- */
.site-identity {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  text-decoration: none;
  color: var(--color-text-primary);
}

.site-identity:hover {
  color: var(--color-text-primary);
}

.site-identity__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--color-accent-green);
  color: var(--color-bg-black);
  font-family: var(--font-headline);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%);
  box-shadow: 0 0 28px rgba(0, 255, 136, 0.25);
}

.site-identity__name-block {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.site-identity__name {
  display: block;
  font-family: var(--font-headline);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.2;
  color: var(--color-text-primary);
  white-space: nowrap;
}

.site-identity__en {
  display: block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.42em;
  color: var(--color-accent-green);
  line-height: 1.3;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ---------- HEADER TAGLINE & META ---------- */
.site-header__tagline {
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  border-left: 1px solid var(--color-border-grid);
  padding-left: 24px;
  max-width: 320px;
}

.site-header__meta {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-shrink: 0;
}

.site-header__status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(0, 255, 136, 0.06);
  border: 1px solid var(--color-border-grid);
  white-space: nowrap;
}

.site-header__status-text {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--color-accent-green);
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-green);
  animation: status-pulse 2.2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes status-pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.5);
  }
  50% {
    opacity: 0.55;
    box-shadow: 0 0 0 7px rgba(0, 255, 136, 0);
  }
}

.site-header__vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  white-space: nowrap;
  padding: 8px 4px;
  border-left: 1px solid var(--color-border-grid);
}

/* ---------- SITE NAVIGATION ---------- */
.site-nav {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 18px 20px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text-primary);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.25s ease, background 0.25s ease;
}

.site-nav__link:hover {
  color: var(--color-accent-green);
  background: rgba(0, 255, 136, 0.03);
}

.site-nav__link::after {
  content: '';
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 0;
  height: 3px;
  background: var(--color-accent-green);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.site-nav__link[aria-current="page"] {
  color: var(--color-accent-green);
}

/* ---------- HEADER DECORATIVE STRIP ---------- */
.site-header__deco {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-right: 8px;
  flex-shrink: 0;
}

.site-header__deco-line {
  width: 48px;
  height: 1px;
  background: var(--color-border-grid);
}

.site-header__deco-text {
  font-size: 10px;
  letter-spacing: 0.34em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- MOBILE NAV TOGGLE ---------- */
.site-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  background: transparent;
  border: 1px solid var(--color-border-grid);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: border-color 0.25s ease;
  flex-shrink: 0;
}

.site-nav-toggle:hover {
  border-color: var(--color-accent-green);
}

.site-nav-toggle__bars {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.site-nav-toggle__bar {
  display: block;
  font-style: normal;
  width: 24px;
  height: 2px;
  background: var(--color-accent-green);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.site-nav-toggle__text {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

/* ==========================================================
   FOOTER
   ========================================================== */
.site-footer {
  flex-shrink: 0;
  background: var(--color-bg-black);
  border-top: 4px solid var(--color-accent-green);
  margin-top: auto;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr 0.8fr;
  gap: 48px;
  padding-top: 56px;
  padding-bottom: 40px;
  background:
    linear-gradient(rgba(0, 255, 136, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.02) 1px, transparent 1px);
  background-size: 32px 32px;
}

.site-footer__identity {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.site-footer__identity:hover {
  color: var(--color-text-primary);
}

.site-footer__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--color-accent-green);
  color: var(--color-bg-black);
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 17px;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
}

.site-footer__name {
  font-family: var(--font-headline);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-text-primary);
}

.site-footer__desc {
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-top: 16px;
  max-width: 320px;
}

.site-footer__promise {
  font-size: 12px;
  line-height: 1.85;
  color: var(--color-text-muted);
  border-left: 3px solid var(--color-accent-orange);
  padding-left: 12px;
  margin-top: 18px;
}

.site-footer__heading {
  position: relative;
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  padding-bottom: 10px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--color-border-grid);
}

.site-footer__heading::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 36px;
  height: 2px;
  background: var(--color-accent-green);
}

.site-footer__links li + li {
  margin-top: 10px;
}

.site-footer__links a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.25s ease, transform 0.25s ease;
}

.site-footer__links a::before {
  content: '▸';
  font-size: 11px;
  color: var(--color-accent-green);
  flex-shrink: 0;
}

.site-footer__links a:hover {
  color: var(--color-accent-green);
  transform: translateX(2px);
}

.site-footer__contact {
  display: flex;
  flex-direction: column;
}

.site-footer__contact-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--color-border-grid);
}

.site-footer__contact-item:last-child {
  border-bottom: none;
}

.site-footer__contact-label {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-green);
}

.site-footer__contact-value {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-primary);
  word-break: break-word;
}

.site-footer__seal {
  margin-top: 22px;
  padding: 14px;
  border: 1px dashed var(--color-border-grid);
  background: var(--color-primary-deep);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-footer__seal-mark {
  font-family: var(--font-headline);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-accent-orange);
}

.site-footer__seal-text {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-footer__meta {
  border-top: 1px solid var(--color-border-grid);
  background: var(--color-primary-deep);
}

.site-footer__meta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 16px;
  padding-bottom: 16px;
}

.site-footer__copyright {
  font-size: 12px;
  color: var(--color-text-muted);
}

.site-footer__icp {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 12px 32px;
  background: transparent;
  border: 1px solid var(--color-border-grid);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.btn:hover {
  border-color: var(--color-accent-green);
  color: var(--color-accent-green);
  background: rgba(0, 255, 136, 0.04);
}

.btn--primary {
  background: var(--color-accent-green);
  border-color: var(--color-accent-green);
  color: var(--color-bg-black);
  font-weight: 800;
  box-shadow: 0 4px 24px rgba(0, 255, 136, 0.22);
}

.btn--primary:hover {
  background: transparent;
  color: var(--color-accent-green);
  box-shadow: 0 4px 28px rgba(0, 255, 136, 0.18);
}

.btn--orange {
  background: var(--color-accent-orange);
  border-color: var(--color-accent-orange);
  color: var(--color-bg-black);
  font-weight: 800;
  box-shadow: 0 4px 24px rgba(255, 140, 0, 0.2);
}

.btn--orange:hover {
  background: transparent;
  color: var(--color-accent-orange);
  border-color: var(--color-accent-orange);
  box-shadow: 0 4px 24px rgba(255, 140, 0, 0.14);
}

/* ---------- BREADCRUMB ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  padding: 18px 0;
  font-size: 12px;
  color: var(--color-text-muted);
}

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

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
}

.breadcrumb__item:not(:last-child)::after {
  content: '/';
  margin-left: 8px;
  color: var(--color-border-grid);
}

.breadcrumb__link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.25s ease;
}

.breadcrumb__link:hover {
  color: var(--color-accent-green);
}

.breadcrumb__item[aria-current="page"] {
  color: var(--color-accent-green);
}

/* ---------- CARD ---------- */
.card {
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-grid);
  border-left: 3px solid var(--color-accent-green);
  padding: 24px;
}

.card--plain {
  border-left-color: var(--color-border-grid);
}

.card--orange {
  border-left-color: var(--color-accent-orange);
}

/* ---------- DATA PAIR ---------- */
.data-pair {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border-grid);
}

.data-pair:last-child {
  border-bottom: none;
}

.data-pair__key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.data-pair__value {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-accent-green);
  white-space: nowrap;
}

.data-pair__value--orange {
  color: var(--color-accent-orange);
}

/* ---------- TAG ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--color-border-grid);
  color: var(--color-text-muted);
  background: transparent;
}

.tag--green {
  border-color: var(--color-accent-green);
  color: var(--color-accent-green);
  background: rgba(0, 255, 136, 0.06);
}

.tag--orange {
  border-color: var(--color-accent-orange);
  color: var(--color-accent-orange);
  background: rgba(255, 140, 0, 0.06);
}

/* ---------- SECTION HEADING ---------- */
.section-heading {
  position: relative;
  font-family: var(--font-headline);
  font-size: 32px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.06em;
  color: var(--color-text-primary);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.section-heading::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 3px;
  background: var(--color-accent-green);
}

.section-heading--centered {
  text-align: center;
}

.section-heading--centered::after {
  left: 50%;
  transform: translateX(-50%);
}

/* ---------- IMAGE FRAME ---------- */
.img-frame {
  position: relative;
  overflow: hidden;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-grid);
  aspect-ratio: 16 / 9;
}

.img-frame--portrait {
  aspect-ratio: 3 / 4;
}

.img-frame--wide {
  aspect-ratio: 21 / 9;
}

.img-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(0, 255, 136, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.05) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
  z-index: 1;
}

.img-frame::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--color-accent-green);
  z-index: 2;
}

.img-frame__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.img-frame__placeholder::before {
  content: '▦';
  font-size: 28px;
  color: var(--color-border-grid);
}

/* ---------- RESEARCH PAD ---------- */
.pad {
  position: relative;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-grid);
  border-left: 4px solid var(--color-accent-green);
  padding: 24px;
}

.pad::before {
  content: '';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 18px;
  height: 18px;
  border-top: 2px solid var(--color-accent-green);
  border-right: 2px solid var(--color-accent-green);
}

.pad__summary {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border-grid);
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-text-primary);
}

.pad__summary:first-child {
  padding-top: 0;
}

.pad__evidence {
  position: relative;
  padding: 16px 0 16px 16px;
  border-bottom: 1px solid var(--color-border-grid);
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.pad__evidence::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  background: var(--color-accent-orange);
}

.pad__terms {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border-grid);
}

.pad__term {
  display: inline-block;
  margin: 4px 10px 4px 0;
  padding: 2px 6px;
  font-size: 12px;
  color: var(--color-accent-green);
  border-bottom: 1px dashed var(--color-accent-green);
  cursor: help;
}

.pad__extended {
  padding-top: 16px;
}

.pad__extended a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.25s ease;
}

.pad__extended a::before {
  content: '↗';
  font-size: 13px;
  color: var(--color-accent-green);
}

.pad__extended a:hover {
  color: var(--color-accent-green);
}

/* ---------- RESPONSIVE : TABLET & MOBILE ---------- */
@media (max-width: 1024px) {
  .site-header__tagline {
    display: none;
  }

  .site-header__vertical {
    display: none;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 900px) {
  .site-header__top-inner {
    min-height: 72px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .site-header__meta {
    display: none;
  }

  .site-identity__logo {
    width: 44px;
    height: 44px;
    font-size: 20px;
  }

  .site-identity__name {
    font-size: 20px;
  }

  .site-header__bottom-inner {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0;
    min-height: 0;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .site-header__deco {
    display: none;
  }

  .site-nav-toggle {
    display: inline-flex;
    order: 1;
  }

  .site-nav {
    order: 2;
    display: none;
    width: 100%;
    margin-top: 10px;
    background: var(--color-bg-black);
    border: 1px solid var(--color-border-grid);
    border-top: 2px solid var(--color-accent-green);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  }

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

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

  .site-nav__link {
    display: block;
    padding: 15px 20px;
    border-bottom: 1px solid rgba(45, 55, 72, 0.6);
  }

  .site-nav__link::after {
    display: none;
  }

  .site-nav__link[aria-current="page"] {
    background: rgba(0, 255, 136, 0.06);
    border-left: 3px solid var(--color-accent-green);
    padding-left: 17px;
  }
}

@media (max-width: 640px) {
  :root {
    --container-pad: 16px;
  }

  .site-identity__en {
    letter-spacing: 0.28em;
  }

  .site-header__bottom-inner {
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .site-nav-toggle {
    padding: 8px 14px;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 40px;
    padding-bottom: 28px;
  }

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

  .section-heading {
    font-size: 26px;
  }

  .pad {
    padding: 18px;
  }
}

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

  .site-header__topline,
  .site-nav__link::after,
  .site-footer__links a,
  .btn,
  .breadcrumb__link,
  .pad__extended a {
    transition: none !important;
  }
}