/* ==========================================================================
   h89 · skin "emas-poster"  (reference-led, written for this site only)
   Reference language: warm near-black stage + gilded metallic type, marquee
   bulbs, glossy gold CTA, bronze panels, floating bokeh. No reference copy,
   logo, watermark or third-party artwork is reproduced here.
   ========================================================================== */

:root {
  --h89-bg: #0d0604;
  --h89-bg2: #150b06;
  --h89-panel: #1e1109;
  --h89-panel2: #2a160b;
  --h89-gold: #f3cf6a;
  --h89-gold-soft: #e8c882;
  --h89-gold-deep: #a8731f;
  --h89-amber: #e0a02a;
  --h89-cream: #fff3c4;
  --h89-text: #f8ecd2;
  --h89-muted: #c0a173;
  --h89-line: rgba(243, 207, 106, 0.2);
  --h89-line-strong: rgba(243, 207, 106, 0.42);
  --bg: var(--h89-bg);
  --bg2: var(--h89-bg2);
  --panel: var(--h89-panel);
  --text: var(--h89-text);
  --muted: var(--h89-muted);
  --accent: #c8963f;
  --accent2: var(--h89-gold);
  --line: var(--h89-line);
  --display: "Arial Black", "Helvetica Neue", Impact, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 16px;
}

html { background: var(--h89-bg); }

body.variant-arena {
  background:
    radial-gradient(ellipse 1200px 620px at 50% -8%, rgba(224, 160, 42, 0.14), transparent 62%),
    radial-gradient(ellipse 900px 500px at 100% 24%, rgba(168, 115, 31, 0.12), transparent 60%),
    var(--h89-bg);
  color: var(--h89-text);
  letter-spacing: 0.002em;
}

body.variant-arena::before {
  opacity: 0.22;
  background-image:
    radial-gradient(circle at 18% 26%, rgba(255, 226, 160, 0.75) 0 1px, transparent 1.6px),
    radial-gradient(circle at 72% 64%, rgba(243, 207, 106, 0.55) 0 1px, transparent 1.7px);
  background-size: 230px 230px, 320px 320px;
}

/* ---------- typography: gilded display, quiet body ------------------------ */

body.variant-arena h1,
body.variant-arena h2,
body.variant-arena h3,
body.variant-arena .btn,
body.variant-arena .nav a,
body.variant-arena .footer-col h3 {
  font-family: var(--display);
  text-transform: uppercase;
}

body.variant-arena h1,
body.variant-arena h2 {
  background: linear-gradient(180deg, #fff8d4 0%, #f8dd90 34%, #e6a92c 66%, #a5600d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--h89-gold);
  filter: drop-shadow(0 3px 0 rgba(62, 28, 2, 0.55)) drop-shadow(0 14px 26px rgba(0, 0, 0, 0.5));
  letter-spacing: 0.012em;
}

body.variant-arena h3 { color: var(--h89-cream); letter-spacing: 0.02em; }

body.variant-arena p { color: var(--h89-muted); }

body.variant-arena .eyebrow,
body.variant-arena .kicker,
body.variant-arena .av-eyebrow,
body.variant-arena .label {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--h89-gold);
  letter-spacing: 0.22em;
}

body.variant-arena .kicker::before,
body.variant-arena .av-eyebrow::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff6cf, #e0a02a 70%);
  box-shadow: 0 0 10px rgba(243, 207, 106, 0.75);
  vertical-align: 1px;
}

/* ---------- header ------------------------------------------------------- */

body.variant-arena .site-header {
  background: linear-gradient(180deg, rgba(13, 6, 4, 0.97), rgba(13, 6, 4, 0.82));
  border-bottom: 1px solid var(--h89-line);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(12px);
}

body.variant-arena .header-inner { min-height: 76px; }

body.variant-arena .brand {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 58%, rgba(243, 207, 106, 0.18), transparent 64%);
}

body.variant-arena .brand img {
  width: 132px;
  max-height: 58px;
  filter: brightness(1.1) saturate(1.06) drop-shadow(0 6px 12px rgba(0, 0, 0, 0.7))
    drop-shadow(0 0 16px rgba(243, 207, 106, 0.26));
}

body.variant-arena .nav a {
  font-size: 10px;
  letter-spacing: 0.14em;
  color: #e7d3a6;
  border-bottom-width: 2px;
}

body.variant-arena .nav a:hover,
body.variant-arena .nav a[aria-current="page"] {
  color: var(--h89-gold);
  border-bottom-color: var(--h89-gold);
}

/* ---------- CTA: glossy gilded pill -------------------------------------- */

body.variant-arena .btn {
  border-radius: 999px;
  letter-spacing: 0.09em;
  font-size: 12px;
  transition: transform 0.16s ease, filter 0.16s ease, box-shadow 0.16s ease;
}

body.variant-arena .btn-primary {
  background: linear-gradient(180deg, #fff8cd 0%, #f8dc8a 20%, #eeb02a 56%, #b85f06 100%);
  color: #2a1403;
  border: 2px solid #7a3d04;
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.72),
    inset 0 -3px 0 rgba(120, 60, 0, 0.45),
    0 6px 0 #5c2c02,
    0 14px 26px rgba(0, 0, 0, 0.5),
    0 0 24px rgba(238, 176, 42, 0.26);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
}

body.variant-arena .btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-2px);
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.8),
    inset 0 -3px 0 rgba(120, 60, 0, 0.4),
    0 8px 0 #5c2c02,
    0 18px 30px rgba(0, 0, 0, 0.52),
    0 0 30px rgba(238, 176, 42, 0.4);
}

body.variant-arena .btn-ghost {
  background: linear-gradient(180deg, rgba(46, 25, 11, 0.95), rgba(17, 8, 4, 0.96));
  color: var(--h89-gold);
  border: 2px solid var(--h89-line-strong);
  box-shadow: inset 0 1px 0 rgba(255, 230, 170, 0.14), 0 6px 18px rgba(0, 0, 0, 0.5);
}

body.variant-arena .btn-ghost:hover {
  border-color: var(--h89-gold);
  color: var(--h89-cream);
  transform: translateY(-2px);
}

body.variant-arena .btn-sm { min-height: 44px; padding: 0 17px; }
body.variant-arena .btn-lg { min-height: 58px; padding: 0 30px; font-size: 13px; }

/* ---------- hero: poster stage ------------------------------------------ */

body.variant-arena .av-hero {
  position: relative;
  padding: 84px 0 72px;
  min-height: 640px;
  display: flex;
  align-items: center;
  border-bottom: 0;
  background:
    radial-gradient(ellipse 760px 420px at 74% 34%, rgba(243, 207, 106, 0.16), transparent 62%),
    linear-gradient(180deg, #120805 0%, #0d0604 68%, #0a0403 100%);
}

body.variant-arena .av-hero-bg {
  opacity: 0.85;
  filter: brightness(1.08) saturate(1.12);
  background-position: center 38%;
  background-size: cover;
  -webkit-mask-image: none;
  mask-image: none;
}

body.variant-arena .av-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 4, 2, 0.94) 0%, rgba(10, 4, 2, 0.8) 38%, rgba(10, 4, 2, 0.42) 64%, rgba(10, 4, 2, 0.66) 100%),
    linear-gradient(180deg, rgba(10, 4, 2, 0.1) 0%, rgba(10, 4, 2, 0.35) 62%, var(--h89-bg) 100%);
  pointer-events: none;
}

body.variant-arena .av-hero-inner {
  position: relative;
  z-index: 3;
  max-width: none;
  padding-right: 8px;
}

body.variant-arena .av-hero-inner > .av-eyebrow,
body.variant-arena .av-hero-inner > h1,
body.variant-arena .av-hero-inner > .av-deck,
body.variant-arena .av-hero-inner > .av-chips,
body.variant-arena .av-hero-inner > .av-hero-actions,
body.variant-arena .av-hero-inner > .av-hero-stats { max-width: 600px; }

body.variant-arena .av-eyebrow {
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--h89-gold);
  margin-bottom: 16px;
}

body.variant-arena .av-eyebrow span { color: #b9986b; letter-spacing: 0.16em; }

body.variant-arena .av-hero h1 {
  font-size: clamp(66px, 10.4vw, 132px);
  line-height: 0.84;
  letter-spacing: -0.015em;
  margin: 0;
  -webkit-text-stroke: 0;
}

body.variant-arena .av-hero h1::after {
  content: "";
  display: block;
  width: 190px;
  height: 7px;
  margin: 20px 0 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #fff3c4 0%, #e0a02a 46%, #8a4a06 100%);
  box-shadow: 0 0 20px rgba(238, 176, 42, 0.5);
}

body.variant-arena .av-deck {
  margin: 22px 0 0;
  padding: 0 0 0 16px;
  max-width: 540px;
  padding-right: 10px;
  font-size: 16px;
  line-height: 1.66;
  color: #e9d6af;
  border-left: 3px solid var(--h89-amber);
}

body.variant-arena .av-chips { margin: 20px 0 0; }

body.variant-arena .av-hero-actions { margin: 26px 0 0; gap: 14px; }

body.variant-arena .av-textlink {
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--h89-gold-soft);
  border-bottom: 2px solid rgba(243, 207, 106, 0.5);
}

body.variant-arena .av-textlink:hover { color: var(--h89-cream); border-bottom-color: var(--h89-cream); }

/* gilded logo plate on the right of the poster (desktop only) */
body.variant-arena .av-hero::before {
  content: "";
  position: absolute;
  right: max(20px, calc((100vw - 1160px) / 2));
  top: 50%;
  transform: translateY(-50%);
  width: 348px;
  height: 348px;
  z-index: 1;
  border: 2px solid rgba(243, 207, 106, 0.32);
  border-radius: 30px;
  background:
    radial-gradient(circle, rgba(255, 233, 168, 0.8) 0 2px, transparent 2.7px) left 16px top 10px / 20px 8px repeat-x,
    radial-gradient(circle, rgba(255, 233, 168, 0.8) 0 2px, transparent 2.7px) left 16px bottom 10px / 20px 8px repeat-x,
    linear-gradient(165deg, rgba(58, 33, 15, 0.78), rgba(12, 6, 3, 0.94));
  box-shadow:
    inset 0 0 70px rgba(238, 176, 42, 0.16),
    0 34px 80px rgba(0, 0, 0, 0.6),
    0 0 46px rgba(238, 176, 42, 0.12);
}

body.variant-arena .av-hero::after {
  content: "";
  position: absolute;
  right: calc(max(20px, calc((100vw - 1160px) / 2)) + 30px);
  top: 50%;
  transform: translateY(-50%);
  width: 288px;
  height: 288px;
  z-index: 2;
  background: url(logo.webp) center / contain no-repeat;
  filter: drop-shadow(0 22px 34px rgba(0, 0, 0, 0.62)) drop-shadow(0 0 36px rgba(238, 176, 42, 0.3));
}

/* marquee-bulb statistics plates */
body.variant-arena .av-hero-stats {
  margin: 36px 0 0;
  gap: 10px;
  border: 0;
  background: none;
  counter-reset: stat;
}

body.variant-arena .av-hero-stats div {
  position: relative;
  padding: 14px 16px 15px;
  border: 1px solid var(--h89-line-strong);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(52, 29, 13, 0.92), rgba(16, 8, 4, 0.95));
  box-shadow: inset 0 1px 0 rgba(255, 230, 170, 0.12), 0 12px 26px rgba(0, 0, 0, 0.45);
}

body.variant-arena .av-hero-stats div::before {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  top: -4px;
  height: 8px;
  background: radial-gradient(circle, rgba(255, 233, 168, 0.9) 0 1.7px, transparent 2.3px) repeat-x;
  background-size: 18px 8px;
  opacity: 0.75;
}

body.variant-arena .av-hero-stats dt {
  font-size: 8px;
  letter-spacing: 0.18em;
  color: #b9986b;
}

body.variant-arena .av-hero-stats dd {
  font-size: 15px;
  color: var(--h89-cream);
  letter-spacing: 0.02em;
}

/* ---------- section rhythm ---------------------------------------------- */

body.variant-arena .section {
  position: relative;
  padding: 78px 0;
  border-bottom: 1px solid var(--h89-line);
  background: linear-gradient(180deg, rgba(21, 11, 6, 0.68), rgba(13, 6, 4, 0.94));
}

body.variant-arena .section:nth-of-type(even) {
  background: linear-gradient(180deg, rgba(30, 16, 8, 0.62), rgba(13, 6, 4, 0.95));
}

body.variant-arena .section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  background: radial-gradient(circle, rgba(255, 232, 170, 0.42) 0 1.9px, transparent 2.4px) repeat-x;
  background-size: 24px 9px;
  opacity: 0.5;
  pointer-events: none;
}

body.variant-arena .sec-head {
  max-width: 800px;
  margin: 0 0 30px;
  text-align: left;
}

body.variant-arena .sec-head h2 {
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.02;
  margin: 6px 0 12px;
}

body.variant-arena .sec-head p { max-width: 660px; font-size: 15px; }

/* ---------- cards, routes, facts ---------------------------------------- */

body.variant-arena .card,
body.variant-arena .route-card {
  position: relative;
  border: 1px solid var(--h89-line);
  border-radius: 16px;
  background: linear-gradient(165deg, rgba(46, 26, 12, 0.94), rgba(17, 9, 5, 0.97));
  box-shadow: inset 0 1px 0 rgba(255, 225, 160, 0.1), 0 16px 34px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

body.variant-arena .card::before,
body.variant-arena .route-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 52px;
  height: 3px;
  background: linear-gradient(90deg, #fff2c0, #e0a02a 55%, #8a4a06);
  box-shadow: 0 0 14px rgba(238, 176, 42, 0.5);
}

body.variant-arena .route-card:hover {
  border-color: var(--h89-gold);
  transform: translateY(-3px);
  box-shadow: inset 0 1px 0 rgba(255, 225, 160, 0.16), 0 22px 40px rgba(0, 0, 0, 0.5), 0 0 26px rgba(238, 176, 42, 0.16);
}

body.variant-arena .route-card.primary {
  background: linear-gradient(160deg, rgba(112, 62, 18, 0.96), rgba(32, 16, 6, 0.98));
  border-color: rgba(243, 207, 106, 0.55);
}

body.variant-arena .route-no {
  color: #b9986b;
  letter-spacing: 0.16em;
}

body.variant-arena .route-card h3 {
  color: var(--h89-cream);
  font-size: 24px;
  line-height: 1.05;
  margin: 16px 0 8px;
}

body.variant-arena .route-link {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--h89-line);
  color: var(--h89-gold);
}

body.variant-arena .facts {
  border: 1px solid var(--h89-line-strong);
  border-radius: 16px;
  background: rgba(30, 17, 9, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 225, 160, 0.08);
}

body.variant-arena .facts div { border-color: var(--h89-line); padding: 16px 18px; }

body.variant-arena .facts span {
  color: #b9986b;
  letter-spacing: 0.14em;
}

body.variant-arena .facts b {
  color: var(--h89-cream);
  font-size: 15px;
  letter-spacing: 0.015em;
}

body.variant-arena .card img {
  border-radius: 12px;
  border: 1px solid rgba(243, 207, 106, 0.16);
  background: #0a0403;
}

body.variant-arena .promo-card h3 {
  color: var(--h89-cream);
  font-size: 17px;
  line-height: 1.2;
}

body.variant-arena .promo-card p {
  color: #c6ab7f;
  font-size: 12.5px;
  line-height: 1.6;
}

body.variant-arena .callout {
  border-left: 3px solid var(--h89-gold);
  border-radius: 0 12px 12px 0;
  background: rgba(46, 26, 12, 0.6);
  color: #dcc49a;
}

/* ---------- chips / terms ----------------------------------------------- */

body.variant-arena .chips span,
body.variant-arena .terms-seed span,
body.variant-arena .terms-derived span,
body.variant-arena .terms-box .chips span {
  border: 1px solid var(--h89-line-strong);
  border-radius: 999px;
  background: rgba(46, 26, 12, 0.85);
  color: #ecd9b2;
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 5px 11px;
}

body.variant-arena .terms-box {
  border: 1px solid var(--h89-line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(38, 21, 10, 0.7), rgba(15, 8, 4, 0.9));
  padding: 22px;
}

body.variant-arena .terms-label {
  color: #b9986b;
  letter-spacing: 0.18em;
}

body.variant-arena .edition-note {
  border-top: 1px solid var(--h89-line);
  color: #c6ab7f;
}

/* ---------- FAQ --------------------------------------------------------- */

body.variant-arena .faq-item,
body.variant-arena .faq details {
  border: 1px solid var(--h89-line);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(40, 22, 11, 0.72), rgba(16, 8, 4, 0.9));
  box-shadow: inset 0 1px 0 rgba(255, 225, 160, 0.06);
}

body.variant-arena .faq-q,
body.variant-arena .faq summary {
  font-family: var(--display);
  font-size: 12.5px;
  letter-spacing: 0.035em;
  color: var(--h89-cream);
  text-transform: uppercase;
}

body.variant-arena .faq summary::after { color: var(--h89-gold); }

body.variant-arena .faq-a,
body.variant-arena .faq .a { color: #c6ab7f; }

/* ---------- page hero (inner pages) ------------------------------------- */

body.variant-arena .page-hero .eyebrow,
body.variant-arena .page-hero .kicker {
  max-width: 760px;
  margin: 0 auto 10px;
  font-size: 9px;
  letter-spacing: 0.16em;
  line-height: 1.7;
}

body.variant-arena .page-hero h1 {
  text-transform: none;
  letter-spacing: 0;
}

body.variant-arena .page-hero {
  border-bottom: 1px solid var(--h89-line);
  background:
    radial-gradient(ellipse 900px 340px at 50% -30%, rgba(224, 160, 42, 0.22), transparent 66%),
    linear-gradient(180deg, #120805, var(--h89-bg));
  padding: 66px 0 46px;
}

body.variant-arena .page-hero h1 { font-size: clamp(34px, 4.6vw, 58px); }

body.variant-arena .page-hero .deck { color: #e0cba2; }

/* ---------- steps / tables / prose -------------------------------------- */

/* numbered step cards (arena uses an <ol class="av-steps"> without base styles) */
body.variant-arena .av-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

body.variant-arena .av-steps li {
  display: grid;
  grid-template-columns: 54px 1fr;
  grid-template-areas: "num title" "num body";
  gap: 2px 14px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--h89-line);
  border-radius: 14px;
  background: linear-gradient(165deg, rgba(46, 26, 12, 0.84), rgba(16, 8, 4, 0.92));
  box-shadow: inset 0 1px 0 rgba(255, 225, 160, 0.08);
}

body.variant-arena .av-steps li > span {
  grid-area: num;
  font-family: var(--display);
  font-size: 24px;
  line-height: 1;
  padding-top: 2px;
  background: linear-gradient(180deg, #fff8d4, #e6a92c 62%, #a5600d);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--h89-gold);
}

body.variant-arena .av-steps h3 {
  grid-area: title;
  font-size: 15px;
  letter-spacing: 0.05em;
  margin: 0 0 4px;
  color: var(--h89-cream);
}

body.variant-arena .av-steps p { grid-area: body; margin: 0; color: #c6ab7f; font-size: 12.5px; line-height: 1.6; }

body.variant-arena .step { border-bottom: 1px solid var(--h89-line); }
body.variant-arena .step .n { color: var(--h89-gold); }
body.variant-arena .step h3 { font-size: 13px; letter-spacing: 0.05em; }
body.variant-arena .step p { color: #c6ab7f; }

body.variant-arena .table-wrap {
  border: 1px solid var(--h89-line);
  border-radius: 14px;
  background: rgba(30, 17, 9, 0.7);
}

body.variant-arena th {
  background: rgba(224, 160, 42, 0.1);
  color: var(--h89-gold);
  letter-spacing: 0.1em;
}

body.variant-arena td { color: #d3bb92; border-color: var(--h89-line); }

body.variant-arena .prose h2 { margin-top: 34px; }
body.variant-arena .prose p,
body.variant-arena .prose li { color: #c6ab7f; }

body.variant-arena .aside .card h3 { color: var(--h89-cream); }

/* ---------- footer ------------------------------------------------------ */

body.variant-arena .av-footer {
  background:
    radial-gradient(ellipse 900px 260px at 50% 0%, rgba(243, 207, 106, 0.1), transparent 62%),
    #0a0403;
  border-top: 1px solid var(--h89-line-strong);
}

body.variant-arena .av-footer::before {
  content: "";
  display: block;
  height: 9px;
  background: radial-gradient(circle, rgba(255, 232, 170, 0.45) 0 2px, transparent 2.5px) repeat-x;
  background-size: 26px 9px;
  opacity: 0.55;
}

body.variant-arena .av-footer-cta {
  background: linear-gradient(90deg, #f8dc8a 0%, #e0a02a 48%, #a5600d 100%);
  color: #251002;
}

body.variant-arena .av-footer-cta p { color: #2a1505; }

body.variant-arena .av-footer-brand strong {
  font-size: 34px;
  background: linear-gradient(180deg, #fff8d4, #e6a92c 64%, #a5600d);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--h89-gold);
}

body.variant-arena .av-footer-brand p { color: #b3956a; max-width: 330px; }

body.variant-arena .av-footer-col h3 {
  color: var(--h89-gold);
  letter-spacing: 0.18em;
}

body.variant-arena .av-footer-col a { color: #c0a173; }
body.variant-arena .av-footer-col a:hover { color: var(--h89-cream); }

body.variant-arena .av-footer-note,
body.variant-arena .av-footer-bottom { color: #9d8158; border-color: var(--h89-line); }

/* ---------- fixed mobile CTA -------------------------------------------- */

/* Floating action rail (desktop) + sticky dock (mobile), like the reference's
   service rail and download bar. Base hides .bottom-cta for variant sites. */
@media (min-width: 901px) {
  body.variant-arena .bottom-cta {
    display: flex !important;
    position: fixed;
    right: 20px;
    bottom: 26px;
    z-index: 70;
    flex-direction: column;
    gap: 8px;
    padding: 8px;
    margin: 0;
    border: 1px solid var(--h89-line);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(34, 18, 9, 0.92), rgba(10, 4, 3, 0.96));
    box-shadow: inset 0 1px 0 rgba(255, 225, 160, 0.1), 0 18px 40px rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(8px);
  }
  body.variant-arena .bottom-cta .btn {
    min-height: 46px;
    min-width: 168px;
    border-radius: 999px;
    font-size: 11px;
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.5);
  }
}

@media (max-width: 600px) {
  body.variant-arena .bottom-cta {
    display: flex !important;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 70;
    gap: 8px;
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
    background: linear-gradient(180deg, rgba(10, 4, 3, 0.88), rgba(10, 4, 3, 0.99));
    border-top: 1px solid var(--h89-line-strong);
    backdrop-filter: blur(10px);
  }
  body.variant-arena .bottom-cta .btn { flex: 1; min-height: 46px; font-size: 11px; }
  body.variant-arena .av-footer-cta .btn { display: none; }
}

/* ---------- responsive -------------------------------------------------- */

@media (max-width: 1100px) {
  body.variant-arena .av-hero-inner { max-width: 640px; }
  body.variant-arena .av-hero h1 { font-size: clamp(58px, 11vw, 104px); }
  body.variant-arena .av-hero::before,
  body.variant-arena .av-hero::after { display: none; }
}

@media (max-width: 900px) {
  body.variant-arena .av-hero {
    min-height: 0;
    padding: 60px 0 52px;
    display: block;
  }
  body.variant-arena .av-hero-bg {
    opacity: 0.5;
    background-position: center top;
    -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.7) 55%, transparent 96%);
    mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.7) 55%, transparent 96%);
  }
  body.variant-arena .av-hero-bg::after {
    background: linear-gradient(180deg, rgba(10, 4, 2, 0.35) 0%, rgba(10, 4, 2, 0.6) 42%, var(--h89-bg) 92%);
  }
  body.variant-arena .av-hero-inner { max-width: none; }
  body.variant-arena .av-hero::before,
  body.variant-arena .av-hero::after { display: none; }
  body.variant-arena .av-hero-stats { gap: 8px; }
  body.variant-arena .section { padding: 58px 0; }
}

@media (max-width: 600px) {
  body.variant-arena { padding-bottom: 76px; }
  body.variant-arena .wrap { width: calc(100% - 26px); }
  body.variant-arena .header-inner { min-height: 64px; gap: 12px; }
  body.variant-arena .brand img { width: 92px; max-height: 42px; }
  body.variant-arena .av-hero { padding: 40px 0 40px; }
  body.variant-arena .av-hero h1 { font-size: clamp(48px, 17vw, 72px); }
  body.variant-arena .av-hero h1::after { width: 130px; height: 6px; margin-top: 14px; }
  body.variant-arena .av-deck { font-size: 15px; padding-left: 12px; }
  body.variant-arena .av-hero-actions { gap: 10px; }
  body.variant-arena .av-hero-actions .btn { width: 100%; }
  body.variant-arena .av-hero-stats { grid-template-columns: 1fr; margin-top: 26px; }
  body.variant-arena .av-scoreline .wrap { gap: 4px 12px; padding: 4px 0; font-size: 8px; letter-spacing: 0.07em; }
  body.variant-arena .av-deck { padding-right: 6px; }
  body.variant-arena .section { padding: 44px 0; }
  body.variant-arena .sec-head h2 { font-size: clamp(26px, 7.4vw, 34px); }
  body.variant-arena .route-card h3 { font-size: 21px; }
  body.variant-arena .facts { grid-template-columns: 1fr; }
  body.variant-arena .terms-box { padding: 16px; }
  body.variant-arena .card { padding: 16px; }
  body.variant-arena .av-footer-brand strong { font-size: 28px; }
  body.variant-arena .bottom-cta .btn { min-height: 46px; font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  body.variant-arena .btn,
  body.variant-arena .route-card { transition: none; }
}