/* ========== Reset & Base ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

article,
aside,
figcaption,
figure,
footer,
header,
main,
nav,
section {
  display: block;
}

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-space-blue);
  color: var(--color-text-light);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul,
ol {
  list-style: none;
}

a {
  color: var(--color-orange);
  text-decoration: none;
}

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

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

#main-content {
  flex: 1;
  scroll-margin-top: calc(var(--header-height) + 16px);
}

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

::selection {
  background: var(--color-orange);
  color: var(--color-white);
}

/* ========== Variables ========== */
:root {
  --color-space-blue: #0B1B3D;
  --color-space-blue-deep: #071126;
  --color-space-blue-light: #122A5A;
  --color-orange: #FF5A00;
  --color-orange-dark: #D94E00;
  --color-orange-light: #FFD9C2;
  --color-neon-green: #C6FF00;
  --color-teal: #0F6B6B;
  --color-wine: #7A2E39;
  --color-text-light: #F5F7FA;
  --color-text-secondary: #B0B8C4;
  --color-white: #FFFFFF;
  --color-border: #2E4168;

  --font-headline: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --font-body: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-index: "Helvetica Neue", "Arial", sans-serif;

  --text-h1: clamp(2rem, 5vw, 4rem);
  --text-h2: clamp(1.5rem, 3vw, 2.5rem);
  --text-h3: 1.25rem;
  --text-body: 1rem;
  --text-index: 0.75rem;

  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --radius-pill: 999px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;

  --container-width: 1200px;
  --header-height: 72px;

  --transition-base: 0.2s ease;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* ========== Typography ========== */
h1,
h2,
h3,
h4 {
  font-family: var(--font-headline);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-light);
  letter-spacing: 0.01em;
}

h1 {
  font-size: var(--text-h1);
}

h2 {
  font-size: var(--text-h2);
}

h3 {
  font-size: var(--text-h3);
}

p {
  margin-bottom: var(--space-3);
}

small {
  font-size: 0.8125rem;
}

/* ========== Layout ========== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.grid {
  display: grid;
  gap: var(--space-4);
}

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

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

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
}

.section {
  padding: var(--space-8) 0;
}

.section--teal {
  background: linear-gradient(135deg, #0F6B6B 0%, #0B4F52 100%);
}

.section--wine {
  background: linear-gradient(135deg, #7A2E39 0%, #5C2333 100%);
}

.section__header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.section__index {
  font-family: var(--font-index);
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--color-neon-green);
  background: rgba(198, 255, 0, 0.1);
  border: 1px solid rgba(198, 255, 0, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transform: skewX(-8deg);
  flex-shrink: 0;
}

.section__title {
  flex: 1;
  min-width: 0;
  font-size: var(--text-h2);
}

.section__title-eng {
  display: block;
  font-family: var(--font-index);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.section__subtitle {
  flex-basis: 100%;
  max-width: 720px;
  color: var(--color-text-secondary);
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base),
              transform var(--transition-base),
              box-shadow var(--transition-base);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--color-orange);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(255, 90, 0, 0.3);
}

.btn--primary:hover {
  background: var(--color-orange-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 90, 0, 0.4);
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-light);
}

.btn--ghost:hover {
  border-color: var(--color-neon-green);
  color: var(--color-neon-green);
  transform: translateY(-2px);
}

/* ========== Breadcrumb ========== */
.breadcrumb {
  margin-bottom: var(--space-4);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--color-border);
  font-family: var(--font-index);
}

.breadcrumb__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

.breadcrumb__item[aria-current="page"] {
  color: var(--color-orange);
  font-weight: 500;
}

/* ========== Card / Tag / Image / Table ========== */
.card {
  background: linear-gradient(180deg, var(--color-space-blue-light) 0%, var(--color-space-blue) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: transform var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-orange);
  box-shadow: var(--shadow-card);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  background: rgba(198, 255, 0, 0.12);
  color: var(--color-neon-green);
  border: 1px solid rgba(198, 255, 0, 0.25);
}

.tag--orange {
  background: rgba(255, 90, 0, 0.12);
  color: var(--color-orange);
  border-color: rgba(255, 90, 0, 0.25);
}

.tag--teal {
  background: rgba(15, 107, 107, 0.4);
  color: var(--color-orange-light);
  border-color: rgba(15, 107, 107, 0.6);
}

.image-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(145deg, var(--color-space-blue-light) 0%, var(--color-teal) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.image-frame:hover img {
  transform: scale(1.04);
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(11, 27, 61, 0.75) 100%);
  pointer-events: none;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  font-family: var(--font-index);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-neon-green);
  background: rgba(15, 107, 107, 0.25);
}

.data-table tbody tr {
  transition: background var(--transition-base);
}

.data-table tbody tr:hover {
  background: rgba(255, 90, 0, 0.06);
}

/* ========== Reveal ========== */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: calc(var(--reveal-delay, 0) * 1ms);
}

[data-revealed] {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Skip Link & Scroll Progress ========== */
.skip-link {
  position: fixed;
  top: -64px;
  left: var(--space-4);
  z-index: 4000;
  padding: 12px 20px;
  background: var(--color-neon-green);
  color: var(--color-space-blue);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: top var(--transition-base);
}

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

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  z-index: 3500;
  background: linear-gradient(90deg, var(--color-orange) 0%, var(--color-neon-green) 70%, var(--color-teal) 100%);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(180deg, #10244F 0%, var(--color-space-blue) 100%);
}

.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 220px;
  background: repeating-linear-gradient(
    -45deg,
    rgba(255, 90, 0, 0.07) 0,
    rgba(255, 90, 0, 0.07) 6px,
    transparent 6px,
    transparent 14px
  );
  pointer-events: none;
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-orange) 0%, var(--color-neon-green) 50%, var(--color-teal) 100%);
}

.site-header__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  max-width: var(--container-width);
  margin: 0 auto;
  min-height: var(--header-height);
  padding: 0 var(--space-4);
}

/* ========== Brand ========== */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-light);
  text-decoration: none;
  flex-shrink: 0;
}

.brand:hover .brand__name {
  color: var(--color-orange);
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 38px;
  padding: 0 10px;
  background: linear-gradient(135deg, var(--color-orange) 0%, #FF8A3D 50%, var(--color-orange) 100%);
  border-radius: 12px 12px 12px 3px;
  color: var(--color-space-blue);
  font-family: var(--font-headline);
  font-size: 1.375rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  box-shadow: 0 4px 14px rgba(255, 90, 0, 0.35);
  transform: skewX(-6deg);
}

.brand__name {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text-light);
  transition: color var(--transition-base);
}

.brand__version {
  align-self: flex-start;
  margin-top: 8px;
  font-family: var(--font-index);
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-neon-green);
  background: rgba(198, 255, 0, 0.1);
  border: 1px solid rgba(198, 255, 0, 0.3);
  border-radius: var(--radius-pill);
  padding: 2px 8px;
  white-space: nowrap;
}

.brand--footer {
  margin-bottom: var(--space-2);
}

/* ========== Nav ========== */
.site-nav {
  margin-left: auto;
}

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

.site-nav__item {
  position: relative;
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 10px 12px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: color var(--transition-base),
              background var(--transition-base),
              transform var(--transition-base);
}

.site-nav__link:hover {
  color: var(--color-orange);
  background: rgba(255, 90, 0, 0.08);
  transform: translateY(-1px);
}

.site-nav__index {
  font-family: var(--font-index);
  font-size: 0.625rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}

.site-nav__link:hover .site-nav__index {
  color: var(--color-neon-green);
}

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

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

.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 3px;
  border-radius: 3px;
  background: var(--color-neon-green);
}

/* ========== Header Search ========== */
.site-header__search {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 40px;
  padding: 0 12px 0 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  flex-shrink: 0;
  margin-left: 4px;
  transition: border-color var(--transition-base),
              background var(--transition-base);
}

.site-header__search:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--color-orange);
}

.site-header__search-icon {
  position: relative;
  width: 13px;
  height: 13px;
  border: 2px solid var(--color-text-secondary);
  border-radius: 50%;
  flex-shrink: 0;
}

.site-header__search-icon::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -2px;
  width: 6px;
  height: 2px;
  background: var(--color-text-secondary);
  transform: rotate(45deg);
  border-radius: 2px;
}

.site-header__search-text {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.site-header__search-key {
  margin-left: auto;
  font-family: var(--font-index);
  font-size: 0.625rem;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  background: rgba(11, 27, 61, 0.6);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  padding: 2px 6px;
  line-height: 1.4;
}

/* ========== Nav Toggle ========== */
.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  flex-shrink: 0;
  transition: border-color var(--transition-base);
}

.nav-toggle:hover {
  border-color: var(--color-orange);
}

.nav-toggle__bar {
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-text-light);
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

.nav-toggle:hover .nav-toggle__bar {
  background: var(--color-orange);
}

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

.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);
  background: var(--color-orange);
}

/* ========== Footer ========== */
.site-footer {
  position: relative;
  margin-top: var(--space-8);
  background: linear-gradient(180deg, var(--color-space-blue) 0%, var(--color-space-blue-deep) 100%);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-orange) 0%, var(--color-teal) 45%, var(--color-neon-green) 100%);
  z-index: 1;
}

.site-footer::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 240px;
  height: 100%;
  background: repeating-linear-gradient(
    -45deg,
    rgba(198, 255, 0, 0.03) 0,
    rgba(198, 255, 0, 0.03) 8px,
    transparent 8px,
    transparent 16px
  );
  pointer-events: none;
}

.site-footer__inner,
.site-footer__bottom {
  position: relative;
  z-index: 1;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.6fr;
  gap: var(--space-6);
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-7) var(--space-4) var(--space-5);
}

.site-footer__brand {
  display: grid;
  align-content: start;
  gap: var(--space-3);
}

.site-footer__slogan {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.site-footer__trust {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.site-footer__trust-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-neon-green);
  box-shadow: 0 0 0 3px rgba(198, 255, 0, 0.15);
  flex-shrink: 0;
}

.site-footer__col {
  display: grid;
  align-content: start;
  gap: var(--space-3);
}

.site-footer__heading {
  position: relative;
  padding-left: 14px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
}

.site-footer__heading::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) skewX(-10deg);
  width: 5px;
  height: 14px;
  background: var(--color-orange);
  border-radius: 2px;
}

.site-footer__list {
  display: grid;
  gap: 10px;
}

.site-footer__list a {
  display: inline-block;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-base),
              transform var(--transition-base);
}

.site-footer__list a:hover {
  color: var(--color-orange);
  transform: translateX(4px);
}

.site-footer__contact {
  gap: var(--space-3);
}

.site-footer__contact-item {
  display: grid;
  gap: 2px;
}

.site-footer__contact-label {
  font-family: var(--font-index);
  font-size: 0.625rem;
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-neon-green);
  opacity: 0.8;
}

.site-footer__contact-value {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  overflow-wrap: anywhere;
}

.site-footer__bottom {
  background: rgba(0, 0, 0, 0.25);
  border-top: 1px solid var(--color-border);
}

.site-footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-4);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.site-footer__copyright,
.site-footer__icp {
  margin: 0;
}

/* ========== Back to Top ========== */
.back-to-top {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 1500;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-orange);
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(255, 90, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease,
              transform 0.3s ease,
              visibility 0.3s ease,
              background-color var(--transition-base);
}

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

.back-to-top:hover {
  background: var(--color-orange-dark);
}

.back-to-top__arrow {
  font-size: 1.25rem;
  line-height: 1;
  transform: translateY(-1px);
}

/* ========== Focus ========== */
:focus-visible {
  outline: 3px solid var(--color-neon-green);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ========== Responsive ========== */
@media (max-width: 1023px) {
  .site-header__search {
    display: none;
  }
}

@media (max-width: 959px) {
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-left: 0;
    padding: var(--space-2) var(--space-4) var(--space-4);
    background: rgba(11, 27, 61, 0.98);
    border-top: 1px solid rgba(255, 90, 0, 0.25);
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.45);
  }

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

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

  .site-nav__link {
    width: 100%;
    padding: 14px 12px;
    border-bottom: 1px solid rgba(46, 65, 104, 0.5);
    border-radius: 0;
    transform: none;
  }

  .site-nav__link:hover {
    transform: none;
  }

  .site-nav__index {
    width: 32px;
  }

  .site-nav__link[aria-current="page"]::after {
    left: 0;
    right: auto;
    bottom: auto;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 28px;
    border-radius: 0 2px 2px 0;
  }
}

@media (max-width: 899px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }

  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 767px) {
  .site-header__inner {
    min-height: 64px;
    padding: 0 var(--space-3);
  }

  .site-header::before {
    width: 140px;
  }

  .brand__mark {
    min-width: 40px;
    height: 34px;
    font-size: 1.125rem;
    border-radius: 10px 10px 10px 2px;
  }

  .brand__name {
    font-size: 1.125rem;
  }

  .brand__version {
    margin-top: 4px;
  }
}

@media (max-width: 599px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .site-footer__bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }
}

/* ========== 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;
  }

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