@charset "UTF-8";

/* ============================================
   博万体育平台 全站共享 Site Kit
   视觉指纹 78eabf12797da3fb
   ============================================ */

:root {
  --color-bg: #0B1E3A;
  --color-panel: #122A4A;
  --color-panel-hover: #1C3A5A;
  --color-text: #F5F7FA;
  --color-text-secondary: #A0B0C0;
  --color-orange: #FF6B00;
  --color-cyan: #00E5FF;
  --color-line: #2A4A6A;
  --color-amber: #FFB800;
  --color-green: #00E676;

  --font-heading: "Montserrat", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  --container-max: 1280px;
  --command-h: 64px;
  --transition-fast: 150ms;
  --transition-base: 200ms;
  --transition-slow: 250ms;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--command-h) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at 90% 5%, rgba(0, 229, 255, 0.04) 0%, transparent 420px),
    radial-gradient(circle at 8% 96%, rgba(255, 107, 0, 0.03) 0%, transparent 300px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-cyan);
  text-decoration: none;
  transition: color var(--transition-fast) ease,
              background-color var(--transition-fast) ease,
              border-color var(--transition-fast) ease,
              box-shadow var(--transition-fast) ease;
}

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

ul,
ol {
  list-style: none;
}

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

:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}

[hidden] {
  display: none !important;
}

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

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: clamp(1.875rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
  overflow-wrap: break-word;
}

code,
pre {
  font-family: var(--font-mono);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.page-main {
  min-height: 60vh;
  padding-bottom: var(--space-8);
}

.section {
  padding: var(--space-7) 0;
}

.section + .section {
  border-top: 1px solid var(--color-line);
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: fixed;
  top: -48px;
  left: var(--space-4);
  z-index: 1200;
  padding: 8px 16px;
  background: var(--color-orange);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.875rem;
  border: 1px solid var(--color-orange);
  transition: top var(--transition-fast) ease;
}

.skip-link:focus-visible {
  top: var(--space-2);
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
  color: #FFFFFF;
}

/* ---------- Scroll Progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: transparent;
  z-index: 1300;
  pointer-events: none;
}

.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-orange), var(--color-cyan));
  transition: width 60ms linear;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1100;
  background: var(--color-panel);
  border-bottom: 1px solid var(--color-line);
}

/* --- header meta strip --- */
.header-meta {
  background:
    repeating-linear-gradient(
      135deg,
      transparent 0px,
      transparent 14px,
      rgba(0, 229, 255, 0.035) 14px,
      rgba(0, 229, 255, 0.035) 15px
    ),
    var(--color-bg);
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
}

.header-meta__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 4px var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}

.header-meta__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.header-meta__icp {
  white-space: nowrap;
}

.pulse-dot {
  position: relative;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-green);
  flex-shrink: 0;
}

.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid var(--color-green);
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0%   { transform: scale(0.6); opacity: 0.9; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* --- command bar --- */
.header-command {
  background: var(--color-panel);
}

.header-command__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  min-height: var(--command-h);
  padding: 0 var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

/* --- brand --- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  color: var(--color-text);
}

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

.brand__glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--color-orange);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9375rem;
  font-style: normal;
  letter-spacing: -0.06em;
  color: var(--color-orange);
  background: linear-gradient(
    135deg,
    transparent 0%,
    transparent 68%,
    rgba(255, 107, 0, 0.18) 68%,
    rgba(255, 107, 0, 0.18) 100%
  );
  line-height: 1;
  padding-top: 2px;
  transition: box-shadow var(--transition-fast) ease;
}

.brand:hover .brand__glyph {
  box-shadow: 0 0 10px rgba(255, 107, 0, 0.25);
}

.brand__glyph span {
  color: var(--color-cyan);
}

.brand__text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

/* --- nav toggle --- */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line);
  background: var(--color-panel);
  flex-shrink: 0;
  transition: border-color var(--transition-fast) ease;
}

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

.nav-toggle__box {
  display: grid;
  gap: 5px;
  width: 18px;
}

.nav-toggle__line {
  display: block;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition-base) ease,
              opacity var(--transition-base) 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 --- */
.site-nav {
  flex: 1;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  counter-reset: nav-index;
}

.nav-list__item {
  counter-increment: nav-index;
}

.nav-link {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 6px 10px;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color var(--transition-fast) ease,
              background-color var(--transition-fast) ease,
              border-color var(--transition-fast) ease;
}

.nav-link::before {
  content: "0" counter(nav-index);
  font-family: var(--font-mono);
  font-size: 0.675rem;
  font-weight: 400;
  color: var(--color-cyan);
  opacity: 0.55;
  letter-spacing: 0;
  line-height: 1;
}

.nav-link:hover {
  color: var(--color-text);
  background: var(--color-panel-hover);
}

.nav-link[aria-current="page"] {
  color: var(--color-text);
  border-bottom-color: var(--color-orange);
  background: linear-gradient(
    0deg,
    rgba(255, 107, 0, 0.1) 0%,
    transparent 60%
  );
}

.nav-link[aria-current="page"]::before {
  opacity: 1;
  color: var(--color-orange);
}

/* --- header CTA --- */
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 7px 14px;
  border: 1px solid var(--color-cyan);
  color: var(--color-cyan);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  white-space: nowrap;
  margin-left: auto;
  flex-shrink: 0;
  transition: background-color var(--transition-fast) ease,
              color var(--transition-fast) ease,
              box-shadow var(--transition-fast) ease;
}

.header-cta:hover {
  background: var(--color-cyan);
  color: var(--color-bg);
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.3);
}

.header-cta__key {
  font-weight: 700;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-panel);
  border-top: 1px solid var(--color-line);
  margin-top: var(--space-8);
}

.footer-upper {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-7) var(--space-5) var(--space-6);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-6) var(--space-5);
}

.footer-zone--brand {
  grid-column: span 3;
}

.footer-zone:nth-child(2) { grid-column: span 2; }
.footer-zone:nth-child(3) { grid-column: span 3; }
.footer-zone:nth-child(4) { grid-column: span 2; }
.footer-zone:nth-child(5) { grid-column: span 2; }

.footer-zone__title {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  font-style: normal;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-zone__index {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--color-orange);
  background: rgba(255, 107, 0, 0.1);
  border: 1px solid rgba(255, 107, 0, 0.3);
  padding: 1px 6px;
  line-height: 1.6;
}

.footer-zone__note {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

/* --- footer brand --- */
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}

.footer-brand:hover {
  color: var(--color-text);
}

.footer-brand__glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-orange);
  font-family: var(--font-mono);
  font-style: normal;
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: -0.06em;
  color: var(--color-orange);
  background: linear-gradient(
    135deg,
    transparent 0%,
    transparent 68%,
    rgba(255, 107, 0, 0.18) 68%,
    rgba(255, 107, 0, 0.18) 100%
  );
  line-height: 1;
  padding-top: 2px;
}

.footer-brand__glyph span {
  color: var(--color-cyan);
}

.footer-brand__name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  font-size: 1rem;
}

.footer-brand__tagline,
.footer-brand__operator,
.footer-brand__year {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

.footer-brand__year {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-2);
}

/* --- footer links --- */
.footer-linklist li {
  margin-bottom: var(--space-1);
}

.footer-linklist a {
  display: inline-block;
  padding: 2px 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast) ease, padding-left var(--transition-fast) ease;
}

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

/* --- footer contact --- */
.footer-contact__item {
  padding: var(--space-1) 0;
  border-bottom: 1px dashed var(--color-line);
}

.footer-contact__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  opacity: 0.75;
}

.footer-contact__value {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--color-text);
  word-break: break-all;
}

a.footer-contact__value {
  color: var(--color-cyan);
}

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

/* --- footer timeline --- */
.footer-timeline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-timeline__node {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.footer-timeline__node--current {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.12);
}

.footer-timeline__node--current:hover {
  background: var(--color-cyan);
  color: var(--color-bg);
}

/* --- footer legal --- */
.footer-legal li {
  margin-bottom: var(--space-1);
}

.footer-legal a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.footer-legal a:hover {
  color: var(--color-cyan);
}

.footer-legal li:nth-last-child(1) {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

.footer-legal__operator {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-3);
  line-height: 1.5;
}

/* --- footer bottom --- */
.footer-bottom {
  border-top: 1px solid var(--color-line);
  background: var(--color-bg);
}

.footer-bottom__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-4) var(--space-5);
}

.footer-bottom__text {
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  border-left: 2px solid var(--color-amber);
  padding-left: var(--space-3);
  max-width: 960px;
}

/* --- back to top --- */
.back-top {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--color-panel);
  border: 1px solid var(--color-cyan);
  color: var(--color-cyan);
  font-size: 1.25rem;
  line-height: 1;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-base) ease,
              transform var(--transition-base) ease,
              visibility var(--transition-base) ease,
              background-color var(--transition-base) ease,
              color var(--transition-base) ease;
  cursor: pointer;
  z-index: 990;
}

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

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 22px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.5;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-base) ease,
              color var(--transition-base) ease,
              border-color var(--transition-base) ease,
              box-shadow var(--transition-base) ease;
}

.btn--primary {
  background: var(--color-orange);
  color: #FFFFFF;
  border-color: var(--color-orange);
}

.btn--primary:hover {
  background: transparent;
  color: var(--color-orange);
  box-shadow: 0 0 14px rgba(255, 107, 0, 0.25);
}

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

.btn--outline:hover {
  background: var(--color-cyan);
  color: var(--color-bg);
}

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

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

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-4) 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

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

.breadcrumb li + li::before {
  content: "/";
  margin: 0 var(--space-2);
  color: var(--color-line);
  font-family: var(--font-mono);
}

.breadcrumb a {
  color: var(--color-text-secondary);
}

.breadcrumb a:hover {
  color: var(--color-cyan);
}

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

/* ---------- Bento Grid ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}

.bento__item {
  position: relative;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  padding: var(--space-5);
  transition: transform var(--transition-base) ease,
              border-color var(--transition-base) ease,
              box-shadow var(--transition-base) ease;
}

.bento__item:hover {
  transform: translateY(-3px) rotate(-0.2deg);
  border-color: var(--color-cyan);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

.bento__item--span-12 { grid-column: span 12; }
.bento__item--span-10 { grid-column: span 10; }
.bento__item--span-8  { grid-column: span 8; }
.bento__item--span-7  { grid-column: span 7; }
.bento__item--span-6  { grid-column: span 6; }
.bento__item--span-5  { grid-column: span 5; }
.bento__item--span-4  { grid-column: span 4; }
.bento__item--span-3  { grid-column: span 3; }
.bento__item--span-2  { grid-column: span 2; }

/* ---------- Plate (exhibition label) ---------- */
.plate {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px var(--space-3);
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-orange);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  line-height: 1.6;
}

.plate__index {
  color: var(--color-orange);
  font-weight: 700;
}

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

.plate--cyan .plate__index,
.plate--cyan .plate__icon {
  color: var(--color-cyan);
}

/* ---------- Data Number ---------- */
.data-number {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-orange);
  letter-spacing: -0.03em;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.data-number__unit {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  letter-spacing: 0;
}

.data-number--cyan {
  color: var(--color-cyan);
}

/* ---------- Filter Bar ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border: 1px solid var(--color-line);
  background: var(--color-panel);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  transition: border-color var(--transition-fast) ease,
              background-color var(--transition-fast) ease,
              color var(--transition-fast) ease;
}

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

.filter-btn.is-active {
  border-color: var(--color-orange);
  background: var(--color-orange);
  color: var(--color-bg);
  font-weight: 700;
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
}

.timeline__item {
  position: relative;
  padding-left: var(--space-6);
  padding-bottom: var(--space-5);
  border-left: 1px solid var(--color-line);
  opacity: 0.45;
  transform: translateX(10px);
  transition: opacity var(--transition-slow) ease,
              transform var(--transition-slow) ease;
}

.timeline__item:last-child {
  border-left-color: transparent;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 4px;
  width: 9px;
  height: 9px;
  background: var(--color-cyan);
  border: 2px solid var(--color-bg);
}

.timeline__item.is-revealed {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- Media Frame ---------- */
.media-frame {
  position: relative;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.media-frame--4-3 { aspect-ratio: 4 / 3; }
.media-frame--1-1 { aspect-ratio: 1 / 1; }
.media-frame--3-2 { aspect-ratio: 3 / 2; }

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.06);
  transition: transform var(--transition-slow) ease,
              filter var(--transition-slow) ease;
}

.media-frame:hover img {
  transform: scale(1.02);
  filter: contrast(1.1) saturate(1.08);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, transparent 0%, transparent 65%, rgba(0, 229, 255, 0.08) 65%, rgba(0, 229, 255, 0.08) 100%),
    linear-gradient(180deg, transparent 0%, rgba(11, 30, 58, 0.15) 100%);
  border: 1px solid rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

/* ---------- Accordion ---------- */
.accordion__item {
  border: 1px solid var(--color-line);
  background: var(--color-panel);
  margin-bottom: var(--space-2);
}

.accordion__trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  text-align: left;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9375rem;
  gap: var(--space-3);
}

.accordion__trigger::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--color-cyan);
  font-size: 1.25rem;
  line-height: 1;
  flex-shrink: 0;
  transition: transform var(--transition-base) ease;
}

.accordion__item.is-open .accordion__trigger::after {
  content: "−";
}

.accordion__panel {
  padding: 0 var(--space-4) var(--space-4);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* ---------- Tabs ---------- */
.tabs__list {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--color-line);
  gap: 0;
}

.tabs__btn {
  padding: var(--space-2) var(--space-4);
  border-bottom: 2px solid transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  transition: color var(--transition-fast) ease,
              border-color var(--transition-fast) ease;
}

.tabs__btn:hover {
  color: var(--color-text);
}

.tabs__btn.is-active {
  color: var(--color-text);
  border-bottom-color: var(--color-orange);
}

.tabs__panel {
  padding: var(--space-4);
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-top: none;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* ---------- Reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--transition-slow) ease,
              transform var(--transition-slow) ease;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .header-command__inner {
    gap: var(--space-3);
    padding: 0 var(--space-4);
  }

  .nav-link {
    padding: 6px 8px;
    font-size: 0.875rem;
  }

  .brand__text {
    font-size: 1rem;
  }

  .footer-upper {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
    gap: var(--space-5);
  }

  .bento__item--span-10,
  .bento__item--span-8,
  .bento__item--span-7,
  .bento__item--span-6,
  .bento__item--span-5,
  .bento__item--span-4 {
    grid-column: span 6;
  }
}

@media (max-width: 900px) {
  .header-command__inner {
    flex-wrap: wrap;
    min-height: 0;
    padding: var(--space-2) var(--space-4);
    gap: var(--space-2);
  }

  .brand {
    margin-right: auto;
  }

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

  .site-nav {
    flex: 1 0 100%;
    display: none;
    border-top: 1px solid var(--color-line);
    margin-top: var(--space-2);
    background: var(--color-bg);
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-1) 0;
    gap: 0;
  }

  .nav-link {
    display: flex;
    align-items: baseline;
    padding: var(--space-3) var(--space-2);
    border-bottom: 1px solid var(--color-line);
    border-left: 3px solid transparent;
    border-radius: 0;
  }

  .nav-link::before {
    width: 2.2em;
  }

  .nav-link[aria-current="page"] {
    border-left-color: var(--color-orange);
    border-bottom-color: var(--color-line);
    background: linear-gradient(
      90deg,
      rgba(255, 107, 0, 0.1) 0%,
      transparent 100%
    );
  }

  .header-cta {
    margin-left: 0;
    flex: 1 0 100%;
    justify-content: center;
  }

  .footer-upper {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }

  .footer-zone--brand,
  .footer-zone:nth-child(2),
  .footer-zone:nth-child(3),
  .footer-zone:nth-child(4),
  .footer-zone:nth-child(5) {
    grid-column: span 1;
  }

  .footer-zone--brand {
    grid-column: span 2;
  }

  .bento__item--span-3,
  .bento__item--span-2 {
    grid-column: span 6;
  }
}

@media (max-width: 560px) {
  .container,
  .header-command__inner,
  .header-meta__inner,
  .footer-bottom__inner {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .header-meta__icp {
    display: none;
  }

  .brand__text {
    font-size: 0.9375rem;
  }

  .brand__glyph {
    width: 32px;
    height: 32px;
    font-size: 0.8125rem;
  }

  .footer-upper {
    grid-template-columns: 1fr;
  }

  .footer-zone--brand,
  .footer-zone:nth-child(2),
  .footer-zone:nth-child(3),
  .footer-zone:nth-child(4),
  .footer-zone:nth-child(5) {
    grid-column: span 1;
  }

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

  .bento__item--span-12,
  .bento__item--span-10,
  .bento__item--span-8,
  .bento__item--span-7,
  .bento__item--span-6,
  .bento__item--span-5,
  .bento__item--span-4,
  .bento__item--span-3,
  .bento__item--span-2 {
    grid-column: span 12;
  }

  .back-top {
    right: var(--space-4);
    bottom: var(--space-4);
    width: 40px;
    height: 40px;
  }
}

/* ---------- 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;
  }

  .pulse-dot::after {
    opacity: 0;
  }

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

  .bento__item:hover {
    transform: none;
  }
}