:root {
  --bg: #0d0d12;
  --surface: #15151e;
  --surface-alt: #1c1c28;
  --border: #2a2a3a;
  --text-primary: #ffffff;
  --text-dim: #d8e1ee;

  --hardware-red: #ff2a42;
  --dataset-green: #00ff66;
  --neural-blue: #00d0ff;
  --algorithm-yellow: #ffd700;
  --quantum: #b26bff;
  --protocol-purple: #9b30ff;

  --grid-line: rgba(255, 255, 255, 0.08);
  --scanline: rgba(255, 255, 255, 0.03);

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;

  --cut: 14px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --border-w: 1.5px;

  --font-display: "Orbitron", system-ui, sans-serif;
  --font-data: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

@font-face {
  font-family: "Orbitron";
  src: url("../fonts/Orbitron.ttf") format("truetype");
  font-display: swap;
  font-weight: 400 900;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/JetBrainsMono.ttf") format("truetype");
  font-display: swap;
  font-weight: 400 800;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-data);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

img {
  max-width: 100%;
  display: block;
  -webkit-user-drag: none;
  user-select: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  background: none;
  border: 0;
  color: inherit;
  cursor: pointer;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 48px 48px,
    radial-gradient(1200px 700px at 50% -10%, rgba(0, 208, 255, 0.07), transparent 60%),
    radial-gradient(900px 600px at 90% 110%, rgba(178, 107, 255, 0.06), transparent 60%),
    var(--bg);
  pointer-events: none;
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: repeating-linear-gradient(to bottom, transparent 0 3px, var(--scanline) 3px 4px);
  pointer-events: none;
  mix-blend-mode: overlay;
}

/* ---------- layout containers ---------- */
.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(180deg, rgba(13, 13, 18, 0.95), rgba(13, 13, 18, 0.7));
  backdrop-filter: blur(8px);
  border-bottom: var(--border-w) solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.18em;
  font-size: 14px;
  flex-shrink: 0;
}

.brand-mark {
  color: var(--neural-blue);
  text-shadow: 0 0 10px rgba(0, 208, 255, 0.6);
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  margin-left: var(--space-lg);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.nav-links a {
  position: relative;
  padding: 4px 0;
  transition: color 120ms;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a.is-active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after,
.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--neural-blue);
  box-shadow: 0 0 8px rgba(0, 208, 255, 0.6);
}

.nav-end {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.lang-switch {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.18em;
  padding: 6px 10px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}

.lang-switch:hover {
  border-color: var(--neural-blue);
  color: var(--neural-blue);
}

@media (max-width: 820px) {
  .nav-inner {
    flex-wrap: wrap;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
  }
  .nav-links {
    order: 3;
    width: 100%;
    margin-left: 0;
    flex-wrap: wrap;
    row-gap: var(--space-sm);
  }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 10px 18px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: transparent;
  color: var(--text-primary);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-md);
  transition:
    transform 120ms,
    background 120ms,
    color 120ms,
    border-color 120ms;
}

.btn:focus-visible {
  outline: 2px solid var(--neural-blue);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(180deg, var(--neural-blue), #00a6cc);
  color: #001218;
  border-color: var(--neural-blue);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.btn-primary:hover {
  transform: translateY(-1px);
  background: linear-gradient(180deg, #4be0ff, var(--neural-blue));
}

.btn-ghost {
  /* keep all 4 corners intact — ghost is a regular rounded frame */
  background: rgba(13, 13, 18, 0.4);
  position: relative;
}

.btn-ghost::before,
.btn-ghost::after {
  /* small cyber accent corners, drawn outside the rect so they don't hide behind border */
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-color: var(--neural-blue);
  border-style: solid;
  border-width: 0;
  pointer-events: none;
  opacity: 0.7;
  transition: opacity 150ms;
}

.btn-ghost::before {
  top: -2px;
  left: -2px;
  border-top-width: 2px;
  border-left-width: 2px;
}

.btn-ghost::after {
  bottom: -2px;
  right: -2px;
  border-bottom-width: 2px;
  border-right-width: 2px;
}

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

.btn-ghost:hover::before,
.btn-ghost:hover::after {
  opacity: 1;
}

.btn-lg {
  padding: 16px 26px;
  font-size: 13px;
  flex-direction: column;
  gap: 2px;
  min-width: 220px;
  text-align: center;
}

.btn-sub {
  font-family: var(--font-data);
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: var(--space-xl) var(--space-lg);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  gap: var(--space-lg);
  text-align: center;
  position: relative;
}

.hero-data {
  position: absolute;
  top: var(--space-md);
  display: grid;
  grid-template-columns: auto auto;
  column-gap: var(--space-md);
  row-gap: 2px;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  text-transform: uppercase;
  opacity: 0.65;
  pointer-events: none;
}

.hero-data--left {
  left: var(--space-md);
  text-align: left;
}

.hero-data--right {
  right: var(--space-md);
  text-align: right;
}

.hero-data span:nth-child(odd) {
  color: var(--neural-blue);
}

.eyebrow {
  margin: 0;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--neural-blue);
  text-transform: uppercase;
}

.title {
  margin: 0 auto;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 7vw, 84px);
  line-height: 0.95;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.title-line {
  display: block;
}

.title-line--accent {
  background: linear-gradient(180deg, var(--neural-blue), var(--quantum));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 60px rgba(0, 208, 255, 0.25);
}

.lede {
  max-width: 680px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0 0;
}

.hero-tags li {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: var(--border-w) solid var(--border);
  color: var(--text-dim);
  border-radius: var(--radius-sm);
}

/* ---------- hero art (cards) ---------- */
.hero-art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  perspective: 1200px;
}

.hand {
  display: flex;
  flex: 1;
  max-width: 360px;
}

.hand--left {
  justify-content: flex-end;
  transform: rotate(-12deg) translateY(20px);
}

.hand--right {
  justify-content: flex-start;
  transform: rotate(12deg) translateY(20px);
}

.hand .card-img {
  width: 110px;
  height: 160px;
  border-radius: var(--radius-sm);
  margin: 0 -16px;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.6));
  transition: transform 200ms;
}

.hand .card-img:hover {
  transform: translateY(-6px) scale(1.04);
}

.hero-core {
  width: 180px;
  height: 260px;
  border-radius: var(--radius-md);
  filter: drop-shadow(0 0 40px rgba(178, 107, 255, 0.6));
}

@media (max-width: 720px) {
  .hand .card-img {
    width: 78px;
    height: 114px;
  }
  .hero-core {
    width: 120px;
    height: 174px;
  }
  .hero-data {
    display: none;
  }
}

/* ---------- generic subpage hero ---------- */
.subhero {
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  border-bottom: var(--border-w) solid var(--border);
  text-align: center;
}

.subhero .section-head {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- sections ---------- */
.section {
  position: relative;
  padding: var(--space-xl) 0;
}

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

.section--cta {
  text-align: center;
}

.section-head {
  max-width: 720px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.section-head--left {
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  text-align: left;
}

.section-head--left .section-sub {
  margin-left: 0;
  max-width: 720px;
}

.kicker {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--neural-blue);
  text-transform: uppercase;
}

.section-title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 38px);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.section-sub {
  margin: 0 auto;
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 640px;
}

/* ---------- extra cards (below hero) ---------- */
.extra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-lg) 0;
}

.extra-card {
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  position: relative;
}

.extra-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 16px;
  height: 16px;
  border-top: 2px solid var(--neural-blue);
  border-left: 2px solid var(--neural-blue);
}

.extra-card::after {
  content: "";
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 16px;
  height: 16px;
  border-bottom: 2px solid var(--neural-blue);
  border-right: 2px solid var(--neural-blue);
}

.extra-card-kicker {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neural-blue);
}

.extra-card h3 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.extra-card p {
  margin: 0;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ---------- rig ---------- */
.rig {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-xl);
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (max-width: 880px) {
  .rig {
    grid-template-columns: 1fr;
  }
}

.rig-slots {
  display: grid;
  gap: var(--space-md);
}

.slot {
  position: relative;
  padding: var(--space-md) var(--space-lg);
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-md);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  align-items: center;
}

.slot::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 16px;
  height: 16px;
  border-top: 2px solid var(--neural-blue);
  border-left: 2px solid var(--neural-blue);
}

.slot::after {
  content: "";
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 16px;
  height: 16px;
  border-bottom: 2px solid var(--neural-blue);
  border-right: 2px solid var(--neural-blue);
}

.slot[data-cat="hardware"] {
  --accent: var(--hardware-red);
}
.slot[data-cat="dataset"] {
  --accent: var(--dataset-green);
}
.slot[data-cat="neural"] {
  --accent: var(--neural-blue);
}
.slot[data-cat="algorithm"] {
  --accent: var(--algorithm-yellow);
}

.slot-index {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  text-shadow: 0 0 14px var(--accent);
  letter-spacing: 0.06em;
}

.slot-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.slot-bar {
  grid-column: 1 / -1;
  height: 4px;
  background: var(--surface-alt);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.slot-bar span {
  display: block;
  height: 100%;
  width: var(--w, 50%);
  background: linear-gradient(90deg, var(--accent), transparent);
  box-shadow: 0 0 8px var(--accent);
  animation: barIn 600ms ease-out;
}

@keyframes barIn {
  from {
    width: 0;
  }
}

.rig-meta {
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-data);
  font-size: 11px;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 8px;
  border-bottom: 1px dashed var(--border);
  margin: 0;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.meta-row:last-child {
  border-bottom: 0;
}

.meta-row > :first-child {
  color: var(--text-dim);
}

.meta-row .ok {
  color: var(--dataset-green);
  text-shadow: 0 0 8px var(--dataset-green);
}

/* steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.step {
  position: relative;
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.step h3 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--neural-blue);
}

.step p {
  margin: 0;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
}

.steps-deep {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- deck grid ---------- */
.deck-group + .deck-group {
  padding-top: 0;
}

.deck-group .section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.deck-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-md);
}

.deck-card {
  position: relative;
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: grid;
  gap: var(--space-sm);
  transition:
    transform 200ms,
    border-color 200ms;
}

.deck-card:hover {
  transform: translateY(-2px);
  border-color: var(--neural-blue);
}

.deck-card-tag {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.deck-card[data-cat="hardware"] .deck-card-img {
  border-color: var(--hardware-red);
}
.deck-card[data-cat="dataset"] .deck-card-img {
  border-color: var(--dataset-green);
}
.deck-card[data-cat="neural"] .deck-card-img {
  border-color: var(--neural-blue);
}
.deck-card[data-cat="algorithm"] .deck-card-img {
  border-color: var(--algorithm-yellow);
}
.deck-card[data-cat="quantum"] .deck-card-img {
  border-color: var(--quantum);
}
.deck-card[data-cat="threat"] .deck-card-img,
.deck-card[data-cat="defense"] .deck-card-img,
.deck-card[data-cat="protocol"] .deck-card-img {
  border-color: var(--protocol-purple);
}

.deck-card-img {
  width: 100%;
  aspect-ratio: 5 / 7;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: var(--border-w) solid var(--border);
  background: var(--surface-alt);
}

.deck-card-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.deck-card-desc {
  margin: 0;
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.5;
}

.combos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.combo {
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  border-left: 4px solid var(--neural-blue);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.combo h3 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.combo p {
  margin: 0;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ---------- protocols ---------- */
.protocols-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-lg);
}

.protocol {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-md);
  position: relative;
  transition:
    transform 150ms,
    border-color 150ms;
}

.protocol:hover {
  transform: translateX(4px);
}

.protocol[data-accent="blue"] {
  border-left: 4px solid var(--neural-blue);
}
.protocol[data-accent="red"] {
  border-left: 4px solid var(--hardware-red);
}
.protocol[data-accent="yellow"] {
  border-left: 4px solid var(--algorithm-yellow);
}
.protocol[data-accent="green"] {
  border-left: 4px solid var(--dataset-green);
}
.protocol[data-accent="purple"] {
  border-left: 4px solid var(--protocol-purple);
}

.protocol-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.protocol-body h3 {
  margin: 0 0 2px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.protocol-body p {
  margin: 0;
  font-size: 12px;
  color: var(--text-dim);
}

.protocol-callout {
  max-width: 1200px;
  margin: var(--space-xl) auto 0;
  padding: var(--space-lg);
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-md);
}

.protocol-callout h3 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--neural-blue);
}

.protocol-callout p {
  margin: 0;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ---------- ranking ---------- */
.ranking-table {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.ranking-head,
.ranking li {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: var(--space-md);
  align-items: center;
  padding: 12px var(--space-lg);
}

.ranking-head {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.ranking {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.ranking li {
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  transition: background 150ms;
}

.ranking li:hover {
  background: var(--surface-alt);
}

.ranking .rank {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

.ranking .rank--1 {
  color: var(--algorithm-yellow);
  text-shadow: 0 0 12px var(--algorithm-yellow);
}

.ranking .rank--2 {
  color: var(--neural-blue);
  text-shadow: 0 0 8px var(--neural-blue);
}

.ranking .rank--3 {
  color: var(--protocol-purple);
  text-shadow: 0 0 8px var(--protocol-purple);
}

.ranking .who {
  font-weight: 700;
  text-transform: uppercase;
}

.ranking .pts {
  font-variant-numeric: tabular-nums;
  color: var(--neural-blue);
}

.tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.tier {
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  position: relative;
}

.tier::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.tier[data-tier="bronze"]::before {
  background: var(--hardware-red);
}
.tier[data-tier="silver"]::before {
  background: var(--text-dim);
}
.tier[data-tier="gold"]::before {
  background: var(--algorithm-yellow);
}
.tier[data-tier="quantum"]::before {
  background: var(--quantum);
  box-shadow: 0 0 16px var(--quantum);
}

.tier h3 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tier p {
  margin: 0;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ---------- CTA ---------- */
.cta-row {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.play-list {
  max-width: 720px;
  margin: 0 auto var(--space-xl);
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-sm);
}

.play-list li {
  padding: 12px 18px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  position: relative;
  padding-left: 38px;
}

.play-list li::before {
  content: "[+]";
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--neural-blue);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.play-reqs {
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 640px) {
  .play-reqs {
    grid-template-columns: 1fr;
  }
}

.play-req {
  text-align: center;
  padding: var(--space-lg);
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-md);
}

.play-req h3 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neural-blue);
}

.play-req p {
  margin: 0;
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------- footer ---------- */
.footer {
  text-align: center;
  padding: var(--space-lg);
  border-top: var(--border-w) solid var(--border);
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.footer p {
  margin: 0 0 6px;
}

.footer-links a {
  color: var(--text-dim);
  text-transform: uppercase;
}

.footer-links a:hover {
  color: var(--neural-blue);
}

/* ---------- FAQ section (AEO) ---------- */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-lg) 0 0;
}

@media (max-width: 640px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

.faq-card {
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  position: relative;
  box-sizing: border-box;
}

.faq-card h3 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  word-break: break-word;
}

.faq-card p {
  margin: 0;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

:focus-visible {
  outline-offset: 2px;
  outline: 2px solid var(--neural-blue);
}

.glow-blue {
  filter: drop-shadow(0 0 12px rgba(0, 208, 255, 0.6));
}
.glow-red {
  filter: drop-shadow(0 0 12px rgba(255, 42, 66, 0.6));
}
.glow-green {
  filter: drop-shadow(0 0 12px rgba(0, 255, 102, 0.6));
}
.glow-yellow {
  filter: drop-shadow(0 0 12px rgba(255, 215, 0, 0.6));
}
.glow-purple {
  filter: drop-shadow(0 0 12px rgba(155, 48, 255, 0.6));
}