/* ============================================================
   乐鱼赛场 · 共享样式  /assets/site.css
   外壳：命令栏头部 + 叠层页脚 + 通用版式与组件
   ============================================================ */

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

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

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, blockquote, dl, dd {
  margin: 0;
}

ul[class],
ol[class] {
  list-style: none;
  padding: 0;
}

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

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- tokens ---------- */
:root {
  --ink-900: #061B22;
  --deep-800: #0B2F38;
  --mist-050: #F2FBFA;
  --tide-300: #9FC9C6;
  --coral-500: #FF6B4A;
  --coral-300: #FF9B85;
  --cyan-400: #2DE2E6;
  --violet-500: #7C5CFF;
  --paper-050: #F7F4EC;
  --amber-500: #FFB020;

  --bg: var(--ink-900);
  --bg-panel: var(--deep-800);
  --text: var(--mist-050);
  --text-muted: var(--tide-300);
  --line: rgba(159, 201, 198, 0.22);
  --line-strong: rgba(159, 201, 198, 0.42);

  --font-display: "Barlow Condensed", "Oswald", "Haettenschweiler",
    "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei",
    system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular,
    Menlo, Consolas, monospace;

  --shell: 1280px;
  --gutter: clamp(16px, 4vw, 44px);
  --header-h: 74px;
  --shadow-panel: 0 20px 44px -28px rgba(2, 12, 16, 0.95);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- base ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink-900);
  background-image:
    radial-gradient(1100px 560px at 88% -8%, rgba(45, 226, 230, 0.11), transparent 62%),
    radial-gradient(900px 520px at 4% 2%, rgba(255, 107, 74, 0.09), transparent 66%),
    radial-gradient(760px 460px at 50% 118%, rgba(124, 92, 255, 0.10), transparent 64%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--cyan-400);
  color: var(--ink-900);
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-main {
  display: block;
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- skip link ---------- */
.skip-link {
  position: fixed;
  left: 14px;
  top: -120px;
  z-index: 400;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--coral-500);
  color: #08191E;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid #08191E;
  box-shadow: 4px 4px 0 rgba(6, 27, 34, 0.6);
  transition: top 0.2s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 14px;
  outline-offset: 4px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 150;
  background: linear-gradient(180deg, rgba(6, 27, 34, 0.98) 0%, rgba(11, 47, 56, 0.95) 100%);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  width: 100%;
  max-width: var(--shell);
  min-height: var(--header-h);
  margin-inline: auto;
  padding: 0 var(--gutter);
}

.header-inner::after {
  content: "";
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 107, 74, 0.55), rgba(45, 226, 230, 0.5) 42%, transparent 82%);
  pointer-events: none;
}

/* brand */
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
  padding-block: 10px;
  text-decoration: none;
  color: var(--mist-050);
}

.brand-mark {
  position: relative;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--cyan-400) 0%, var(--deep-800) 58%);
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
  transition: transform 0.25s var(--ease);
}

.brand-mark::before {
  content: "";
  width: 15px;
  height: 15px;
  border: 2px solid rgba(6, 27, 34, 0.85);
  border-top-color: var(--coral-500);
  border-radius: 50%;
  transform: rotate(-38deg);
}

.brand-mark::after {
  content: "";
  position: absolute;
  left: 7px;
  bottom: 7px;
  width: 11px;
  height: 2px;
  background: var(--coral-500);
  box-shadow: 0 -5px 0 -0.5px rgba(255, 107, 74, 0.55);
}

.brand:hover .brand-mark,
.brand:focus-visible .brand-mark {
  transform: translateY(-2px) rotate(-3deg);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--mist-050);
}

.brand-tagline {
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--tide-300);
  white-space: nowrap;
}

/* command nav */
.cmd-nav {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.3vw, 16px);
  margin-left: auto;
  min-width: 0;
}

.cmd-nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(247, 244, 236, 0.035);
}

.cmd-nav-item {
  display: flex;
}

.cmd-nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 12px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--tide-300);
  font-size: 0.86rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.cmd-index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.02em;
  color: rgba(159, 201, 198, 0.6);
  transition: color 0.2s var(--ease);
}

.cmd-label {
  position: relative;
}

.cmd-nav-link:hover {
  color: var(--mist-050);
  background: rgba(45, 226, 230, 0.1);
}

.cmd-nav-link:hover .cmd-index {
  color: var(--cyan-400);
}

.cmd-nav-link[aria-current="page"] {
  color: var(--mist-050);
  font-weight: 700;
  background: rgba(45, 226, 230, 0.15);
  box-shadow: inset 0 0 0 1px rgba(45, 226, 230, 0.6);
}

.cmd-nav-link[aria-current="page"] .cmd-index {
  color: var(--coral-500);
}

.cmd-nav-link[aria-current="page"] .cmd-label::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 2px;
  background: var(--coral-500);
}

.cmd-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--coral-500);
  color: #08191E;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.cmd-cta:hover {
  background: var(--coral-300);
  transform: translateY(-1px);
  box-shadow: 0 12px 24px -14px rgba(255, 107, 74, 0.95);
}

/* mobile toggle */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--mist-050);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.nav-toggle:hover {
  border-color: var(--cyan-400);
  background: rgba(45, 226, 230, 0.08);
}

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  width: 16px;
}

.nav-toggle-bars span {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: transform 0.24s var(--ease), opacity 0.18s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--coral-500);
  color: var(--coral-300);
}

/* scroll progress */
.header-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  z-index: 3;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--coral-500), var(--cyan-400));
  box-shadow: 0 0 10px rgba(45, 226, 230, 0.55);
  pointer-events: none;
  transition: width 0.12s linear;
}

/* ---------- footer ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  margin-top: clamp(56px, 8vw, 120px);
  background: var(--deep-800);
  border-top: 1px solid var(--line);
  color: var(--mist-050);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    114deg,
    rgba(159, 201, 198, 0.065) 0 1px,
    transparent 1px 72px
  );
  pointer-events: none;
}

.footer-diagonal {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 190px;
  background: linear-gradient(148deg, rgba(45, 226, 230, 0.16), rgba(255, 107, 74, 0.10) 46%, transparent 72%);
  clip-path: polygon(0 0, 100% 0, 100% 24%, 0 100%);
  pointer-events: none;
}

.footer-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.65fr);
  gap: clamp(28px, 4.5vw, 72px);
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(44px, 6vw, 76px) var(--gutter) clamp(30px, 4vw, 48px);
}

.footer-brand-col {
  min-width: 0;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--mist-050);
  text-decoration: none;
}

.footer-brand-mark {
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  background: linear-gradient(135deg, var(--cyan-400), var(--coral-500));
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.footer-brand-text {
  margin-top: 16px;
  max-width: 36ch;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(242, 251, 250, 0.82);
}

.footer-note {
  margin-top: 18px;
  max-width: 40ch;
  padding-left: 12px;
  border-left: 2px solid rgba(255, 176, 32, 0.65);
  font-size: 0.78rem;
  line-height: 1.72;
  color: rgba(159, 201, 198, 0.86);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 2.6vw, 40px);
  min-width: 0;
}

.footer-group {
  min-width: 0;
}

.footer-group-title {
  margin: 0 0 14px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
}

.footer-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-list-item {
  display: flex;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.9rem;
  color: rgba(242, 251, 250, 0.76);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.footer-link::before {
  content: "";
  width: 5px;
  height: 5px;
  flex: 0 0 auto;
  background: rgba(159, 201, 198, 0.45);
  transform: rotate(45deg);
  transition: background-color 0.2s var(--ease);
}

.footer-link:hover {
  color: var(--mist-050);
}

.footer-link:hover::before {
  background: var(--coral-500);
}

.footer-contact-bar {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  background: rgba(6, 27, 34, 0.6);
}

.footer-contact-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px clamp(20px, 3.4vw, 56px);
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 18px var(--gutter);
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: rgba(159, 201, 198, 0.78);
}

.contact-value {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.01em;
  color: var(--mist-050);
  word-break: break-word;
}

.footer-legal {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  background: var(--ink-900);
}

.footer-legal-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 26px;
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 16px var(--gutter) 26px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--tide-300);
}

.footer-copy {
  color: rgba(159, 201, 198, 0.82);
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-legal-link {
  color: var(--tide-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.footer-legal-link:hover {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.footer-icp {
  margin-left: auto;
  color: rgba(159, 201, 198, 0.7);
}

/* ---------- typography & sections ---------- */
.section {
  padding-block: clamp(40px, 6vw, 88px);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 40px;
  margin-bottom: clamp(20px, 3vw, 38px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--coral-500);
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

.display-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  line-height: 0.96;
  letter-spacing: -0.015em;
  color: var(--mist-050);
}

.lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(1rem, 0.55vw + 0.9rem, 1.15rem);
  line-height: 1.8;
  color: rgba(242, 251, 250, 0.8);
}

.data-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.rule-diagonal {
  height: 2px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, var(--coral-500), var(--cyan-400) 40%, rgba(45, 226, 230, 0));
}

.prose {
  max-width: 72ch;
  font-size: clamp(1.02rem, 0.5vw + 0.9rem, 1.16rem);
  line-height: 1.88;
  color: rgba(242, 251, 250, 0.87);
}

.prose > * + * {
  margin-top: 1.15em;
}

.prose h2 {
  margin-top: 2.2em;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--mist-050);
}

.prose h3 {
  margin-top: 1.8em;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--mist-050);
}

.prose a {
  color: var(--cyan-400);
  text-underline-offset: 3px;
}

.prose ul,
.prose ol {
  padding-left: 1.3em;
}

.prose li {
  margin-block: 0.4em;
}

.prose blockquote {
  margin-inline: 0;
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--cyan-400);
  color: var(--text-muted);
}

/* ---------- panels ---------- */
.panel {
  position: relative;
  background: var(--deep-800);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-panel);
}

.panel--paper {
  background: var(--paper-050);
  color: #0A2A31;
  border-color: rgba(6, 27, 34, 0.22);
}

.panel-label {
  display: inline-block;
  padding: 3px 9px;
  background: var(--paper-050);
  color: #0A2A31;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  border: 1px solid rgba(6, 27, 34, 0.3);
  box-shadow: 2px 2px 0 rgba(6, 27, 34, 0.45);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  padding: 0.82rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.btn--primary {
  background: var(--coral-500);
  color: #08191E;
}

.btn--primary:hover {
  background: var(--coral-300);
  transform: translateY(-1px);
  box-shadow: 0 14px 26px -16px rgba(255, 107, 74, 0.95);
}

.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--mist-050);
}

.btn--ghost:hover {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
}

.btn--quiet {
  background: rgba(45, 226, 230, 0.12);
  border-color: rgba(45, 226, 230, 0.35);
  color: var(--cyan-400);
}

.btn--quiet:hover {
  background: rgba(45, 226, 230, 0.2);
  border-color: var(--cyan-400);
}

/* ---------- tags ---------- */
.tag-paper {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 3px 9px;
  background: var(--paper-050);
  color: #0A2A31;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  border: 1px solid rgba(6, 27, 34, 0.28);
  box-shadow: 2px 2px 0 rgba(6, 27, 34, 0.4);
  transform: rotate(-0.6deg);
}

.tag-mono {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

/* ---------- breadcrumbs ---------- */
.breadcrumbs {
  padding-block: clamp(14px, 2vw, 22px) 0;
}

.breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  list-style: none;
}

.breadcrumbs-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--tide-300);
}

.breadcrumbs-item + .breadcrumbs-item::before {
  content: "/";
  color: rgba(159, 201, 198, 0.45);
}

.breadcrumbs-item[aria-current="page"] {
  color: var(--mist-050);
}

.breadcrumbs-link {
  color: var(--tide-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.breadcrumbs-link:hover {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

/* ---------- grid ---------- */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}

/* ---------- figure containers ---------- */
.figure-frame {
  position: relative;
  display: block;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--line-strong);
  background-color: var(--deep-800);
  background-image:
    radial-gradient(140% 100% at 12% 0%, rgba(45, 226, 230, 0.22), transparent 58%),
    radial-gradient(120% 120% at 92% 100%, rgba(255, 107, 74, 0.18), transparent 62%),
    linear-gradient(158deg, var(--deep-800) 0%, var(--ink-900) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.figure-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image: repeating-linear-gradient(
    110deg,
    rgba(159, 201, 198, 0.12) 0 1px,
    transparent 1px 26px
  );
  mix-blend-mode: screen;
  opacity: 0.6;
  pointer-events: none;
}

.figure-frame > img,
.figure-frame > picture,
.figure-frame > picture > img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.figure-frame--wide { aspect-ratio: 21 / 9; }
.figure-frame--landscape { aspect-ratio: 16 / 9; }
.figure-frame--square { aspect-ratio: 1 / 1; }
.figure-frame--tall { aspect-ratio: 3 / 4; }

.figure-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--tide-300);
}

/* ---------- filters ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--tide-300);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
    background-color 0.2s var(--ease);
}

.filter-chip:hover {
  color: var(--mist-050);
  border-color: var(--cyan-400);
}

.filter-chip[aria-pressed="true"] {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  color: #04191E;
  font-weight: 700;
}

.filter-status {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(159, 201, 198, 0.85);
}

[data-filter-item][hidden] {
  display: none !important;
}

.is-filter-in {
  animation: filterIn 0.32s var(--ease) both;
}

@keyframes filterIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.62s var(--ease), transform 0.62s var(--ease);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

@keyframes navDrop {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .cmd-nav-link { padding: 7px 10px; font-size: 0.82rem; }
  .brand-tagline { display: none; }
}

@media (max-width: 980px) {
  :root { --header-h: 66px; }

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

  .cmd-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    margin: 0;
    padding: 16px var(--gutter) 22px;
    background: linear-gradient(180deg, var(--deep-800) 0%, var(--ink-900) 100%);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 32px 46px -34px rgba(0, 0, 0, 0.95);
  }

  .cmd-nav[data-open] {
    display: flex;
    animation: navDrop 0.24s var(--ease) both;
  }

  .cmd-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 6px;
    border-radius: 4px;
  }

  .cmd-nav-item { display: block; }

  .cmd-nav-link {
    justify-content: flex-start;
    padding: 12px 14px;
    border-radius: 3px;
    font-size: 0.98rem;
  }

  .cmd-index { font-size: 11px; min-width: 22px; }

  .cmd-cta {
    justify-content: center;
    padding: 13px 18px;
    border-radius: 4px;
    font-size: 0.92rem;
  }

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

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

  .footer-icp {
    margin-left: 0;
  }
}

@media (max-width: 860px) {
  .grid-12 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .footer-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .footer-contact-inner {
    flex-direction: column;
    gap: 14px;
  }
}

@media (max-width: 560px) {
  body { font-size: 15.5px; }

  .grid-12 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .brand-mark { width: 34px; height: 34px; }
  .brand-name { font-size: 1.22rem; }

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

  .nav-toggle-text { display: none; }

  .filter-status {
    margin-left: 0;
    width: 100%;
  }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

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

  .cmd-nav[data-open] { animation: none; }
  .is-filter-in { animation: none; }
}