/* ===== Reset & Design Tokens ===== */
:root {
  --color-bg: #0A1128;
  --color-bg-card: #101A3A;
  --color-accent: #00D4FF;
  --color-orange: #FF6B35;
  --color-text: #F0F4FF;
  --color-text-muted: #A3B1D9;
  --color-border: #1E2A4A;
  --color-green: #00E396;
  --color-yellow: #FFC300;
  --color-dark: #050814;
  --font-display: 'Oswald', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Roboto', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'Roboto Mono', 'Courier New', monospace;
  --shell-max: 1280px;
  --shell-pad: clamp(16px, 4vw, 40px);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(1200px 500px at 82% -10%, rgba(255, 107, 53, 0.08), transparent 60%),
    linear-gradient(180deg, var(--color-dark) 0%, var(--color-bg) 180px);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

p {
  margin: 0;
}

button {
  font-family: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===== Layout ===== */
.layout-shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--shell-pad);
}

.page-section {
  padding-block: clamp(40px, 6vw, 80px);
}

.page-section--tight {
  padding-block: clamp(24px, 3vw, 40px);
}

/* ===== Progress Bar ===== */
.page-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 999;
  background: rgba(255, 107, 53, 0.18);
  pointer-events: none;
}

.page-progress i {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-orange), var(--color-accent) 70%, var(--color-accent));
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* ===== Buttons ===== */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.button--small {
  padding: 8px 16px;
  font-size: 13px;
}

.button--primary {
  background: var(--color-orange);
  color: var(--color-dark);
}

.button--primary:hover {
  background: var(--color-text);
  color: var(--color-dark);
  transform: translateY(-1px);
}

.button--ghost {
  background: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.button--ghost:hover {
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-accent);
}

/* ===== Header ===== */
.site-header {
  position: relative;
  z-index: 20;
  background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-bg) 140px);
}

.site-header > * {
  position: relative;
  z-index: 1;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 100%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: linear-gradient(180deg, black, transparent 92%);
  mask-image: linear-gradient(180deg, black, transparent 92%);
  pointer-events: none;
}

.site-header::after {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg,
    var(--color-orange) 0 34%,
    var(--color-bg) 34% 36%,
    var(--color-accent) 36% 68%,
    var(--color-bg) 68% 70%,
    var(--color-orange) 70% 100%);
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 9999;
  padding: 10px 18px;
  background: var(--color-orange);
  color: var(--color-dark);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 12px;
}

.header-topbar {
  background: var(--color-dark);
  border-bottom: 1px solid var(--color-border);
}

.header-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 38px;
}

.header-topbar__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 0 3px rgba(0, 227, 150, 0.12), 0 0 12px rgba(0, 227, 150, 0.4);
}

.header-topbar__link {
  color: var(--color-text-muted);
  font-size: 13px;
  letter-spacing: 0.05em;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.header-topbar__link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.header-main {
  position: relative;
  background: linear-gradient(120deg, var(--color-bg) 0%, var(--color-bg-card) 70%, rgba(255, 107, 53, 0.1) 100%);
  border-bottom: 1px solid var(--color-border);
}

.header-main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg,
    rgba(255, 255, 255, 0.025) 0 1px,
    transparent 1px 14px);
  pointer-events: none;
}

.header-main > * {
  position: relative;
  z-index: 1;
}

.header-main__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--color-orange);
  color: var(--color-dark);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 34px;
  line-height: 1;
  border-radius: 14px;
  transform: skewX(-6deg);
  box-shadow: 5px 5px 0 rgba(0, 212, 255, 0.25);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.brand:hover .brand__badge {
  transform: skewX(-6deg) translateY(-2px);
  box-shadow: 8px 8px 0 rgba(0, 212, 255, 0.3);
}

.brand__copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.1;
  color: var(--color-text);
}

.brand__claim {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
}

.header-main__tools {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ===== Nav Toggle ===== */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 9px 14px;
  color: var(--color-text);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s;
}

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

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.nav-toggle__bars i {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle--active .nav-toggle__bars i:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle--active .nav-toggle__bars i:nth-child(2) {
  opacity: 0;
}

.nav-toggle--active .nav-toggle__bars i:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.nav-toggle__label {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.08em;
}

/* ===== Site Nav ===== */
.site-nav {
  background: rgba(10, 17, 40, 0.9);
  border-bottom: 1px solid var(--color-border);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  min-height: 50px;
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav__list::-webkit-scrollbar {
  display: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  padding: 14px 16px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: color 0.2s, border-bottom-color 0.2s, background-color 0.2s;
}

.site-nav a:hover {
  color: var(--color-orange);
  background: rgba(255, 107, 53, 0.05);
}

.site-nav a[aria-current="page"] {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ===== Breadcrumbs ===== */
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

.breadcrumbs a {
  color: var(--color-text-muted);
  transition: color 0.2s;
}

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

.breadcrumbs__separator {
  opacity: 0.5;
}

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

/* ===== Section Heading ===== */
.section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: clamp(20px, 2.4vw, 30px);
}

.section-heading::before {
  content: "";
  width: 8px;
  height: 26px;
  border-radius: var(--radius-pill);
  background: var(--color-orange);
  box-shadow: 0 0 14px rgba(255, 107, 53, 0.3);
}

/* ===== Tags ===== */
.taglist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s;
}

.tag--orange {
  background: rgba(255, 107, 53, 0.12);
  border-color: rgba(255, 107, 53, 0.45);
  color: var(--color-orange);
}

.tag--blue {
  background: rgba(0, 212, 255, 0.08);
  border-color: rgba(0, 212, 255, 0.4);
  color: var(--color-accent);
}

.tag--green {
  background: rgba(0, 227, 150, 0.1);
  border-color: rgba(0, 227, 150, 0.4);
  color: var(--color-green);
}

.tag--yellow {
  background: rgba(255, 195, 0, 0.1);
  border-color: rgba(255, 195, 0, 0.45);
  color: var(--color-yellow);
}

/* ===== Pills ===== */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
}

.pill--orange {
  border-color: var(--color-orange);
  color: var(--color-orange);
}

/* ===== Cards ===== */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background-color 0.2s var(--ease);
}

.card:hover {
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25), 0 0 0 3px rgba(0, 212, 255, 0.08);
}

.card--accent-top {
  border-top: 3px solid var(--color-orange);
}

.card-grid {
  --card-cols: 3;
  display: grid;
  grid-template-columns: repeat(var(--card-cols), minmax(0, 1fr));
  gap: 20px;
}

/* ===== Media ===== */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.media-frame--landscape {
  aspect-ratio: 21 / 9;
}

.media-frame--portrait {
  aspect-ratio: 4 / 5;
}

.media-frame--square {
  aspect-ratio: 1 / 1;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s var(--ease);
}

.media-frame:hover img {
  transform: scale(1.03);
}

.media-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 120px;
  background:
    linear-gradient(115deg, transparent 0 42%, rgba(0, 212, 255, 0.12) 42% 48%, transparent 48% 100%),
    linear-gradient(155deg, var(--color-bg-card) 0%, var(--color-bg) 100%);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.media-placeholder::after {
  content: attr(data-text);
}

/* ===== Panel ===== */
.panel {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(20px, 3.2vw, 40px);
}

.panel--outline {
  background: transparent;
}

/* ===== Data Table ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  font-family: var(--font-display);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  background: var(--color-bg);
}

.data-table tr:hover td {
  background: rgba(0, 212, 255, 0.04);
}

/* ===== Stat ===== */
.stat {
  font-family: var(--font-mono);
  font-size: 32px;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}

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

/* ===== Score Strip ===== */
.score-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.score-cell {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
}

.score-cell__league {
  font-size: 12px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.score-cell__number {
  font-family: var(--font-mono);
  font-size: 28px;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.score-cell__number--hot {
  color: var(--color-orange);
}

/* ===== Speed Lines ===== */
.speed-lines {
  position: relative;
  overflow: hidden;
}

.speed-lines::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(105deg,
    rgba(0, 212, 255, 0.06) 0 2px,
    transparent 2px 16px);
  pointer-events: none;
}

/* ===== Footer ===== */
.site-footer {
  position: relative;
  background: var(--color-dark);
  color: var(--color-text);
  border-top: 1px solid var(--color-border);
}

.site-footer::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg,
    var(--color-orange) 0 28%,
    var(--color-accent) 28% 54%,
    var(--color-orange) 54% 82%,
    var(--color-accent) 82% 100%);
}

.footer-top {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.6fr;
  gap: 40px;
  padding-top: 52px;
  padding-bottom: 48px;
}

.footer-brand__logo {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.footer-brand__logo::first-letter {
  color: var(--color-orange);
}

.footer-brand__about {
  margin-top: 12px;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.footer-nav__title {
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.footer-nav__list li + li {
  margin-top: 8px;
}

.footer-nav__list a {
  position: relative;
  padding-left: 14px;
  color: var(--color-text-muted);
  font-size: 14px;
  transition: color 0.2s, padding-left 0.2s;
}

.footer-nav__list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--color-accent);
  transform: rotate(45deg);
  transition: background-color 0.2s;
}

.footer-nav__list a:hover {
  color: var(--color-accent);
  padding-left: 18px;
}

.footer-contact__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.footer-contact__label {
  flex: 0 0 36px;
  font-family: var(--font-display);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  opacity: 0.65;
}

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

.footer-contact__list a:hover {
  color: var(--color-accent);
}

.footer-contact__icp {
  display: inline-block;
  margin-top: 18px;
  padding: 6px 10px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.footer-trust {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.footer-trust p {
  padding-top: 16px;
  padding-bottom: 16px;
  max-width: 110ch;
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  background: var(--color-dark);
}

.footer-bottom__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer-bottom__note {
  letter-spacing: 0.04em;
}

/* ===== Responsive ===== */
@media (max-width: 1000px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 900px) {
  .card-grid {
    --card-cols: 2;
  }
}

@media (max-width: 680px) {
  .header-topbar__link {
    display: none;
  }

  .header-topbar__inner {
    justify-content: center;
  }

  .brand__claim {
    display: none;
  }

  .header-main__inner {
    min-height: 68px;
  }

  .brand__badge {
    width: 44px;
    height: 44px;
    font-size: 28px;
    border-radius: 12px;
    box-shadow: 4px 4px 0 rgba(0, 212, 255, 0.25);
  }

  .brand__name {
    font-size: 18px;
  }

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

  .header-main__tools .button {
    display: none;
  }

  .site-nav {
    display: none;
  }

  .site-nav[data-open] {
    display: block;
    background: var(--color-bg-card);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    min-height: 0;
    padding-block: 8px;
    overflow: visible;
  }

  .site-nav a {
    justify-content: flex-start;
    padding: 14px 12px;
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav a[aria-current="page"] {
    padding-left: 16px;
    background: rgba(0, 212, 255, 0.06);
    border-bottom-color: var(--color-accent);
  }
}

@media (max-width: 600px) {
  .card-grid {
    --card-cols: 1;
  }
}

@media (max-width: 640px) {
  .footer-top {
    grid-template-columns: 1fr;
    padding-top: 36px;
    gap: 28px;
  }

  .footer-bottom__inner {
    flex-direction: column;
    padding-block: 14px;
  }
}

/* ===== Reduced Motion ===== */
@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;
  }
}