/* 1xbettp32.buzz — премиум-лендинг 1xBet / 1хБет. Концепт «Икс-Призма»: оптическая призма / спектр (индиго + спектральная магента + циан + амбра на тёмном фиалковом фоне) */

:root {
  --bg: #080612;
  --bg-2: #0f0b1f;
  --bg-3: #17122f;
  --line: #241b46;
  --line-2: #352a63;
  --txt: #eee9ff;
  --txt-d: #aaa0d4;
  --txt-dd: #78709e;
  --acc: #5b4dff;
  --acc-2: #ff5bd0;
  --acc-2-d: #e63db5;
  --hot: #ff5bd0;
  --good: #46e0c0;
  --amber: #ffd24d;
  --r: 13px;
  --r-s: 8px;
}

* { box-sizing: border-box }
html { scroll-behavior: smooth }
body {
  margin: 0;
  font: 16px/1.62 "Hanken Grotesk", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Arial, sans-serif;
  color: var(--txt);
  background:
    radial-gradient(1020px 600px at 88% -12%, rgba(91, 77, 255, .18) 0%, transparent 60%),
    radial-gradient(860px 600px at -8% 56%, rgba(255, 91, 208, .10) 0%, transparent 62%),
    radial-gradient(700px 520px at 50% 120%, rgba(70, 224, 192, .07) 0%, transparent 60%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto }
a { color: var(--acc-2); text-decoration: none }
a:hover { text-decoration: underline }
strong { color: var(--acc-2); font-weight: 600 }
b { color: var(--amber); font-weight: 600 }

.toprism {
  position: absolute; top: -42px; left: 8px;
  padding: 8px 12px; background: var(--acc-2); color: #0a0612;
  border-radius: 6px; z-index: 100; font-weight: 700;
}
.toprism:focus { top: 8px }

/* ===== TOP BAR ===== */
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 6, 18, .84);
  backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 50;
}
.brandlogo { display: flex; align-items: center; gap: 11px; color: var(--txt) }
.brandlogo:hover { text-decoration: none }
.brandlogo__svg {
  width: 32px; height: 32px; flex: none;
  filter: drop-shadow(0 0 10px rgba(91, 77, 255, .55));
}
.brandlogo__t {
  font-family: "Unbounded", "Hanken Grotesk", system-ui, sans-serif;
  font-weight: 700; line-height: 1; letter-spacing: -.3px;
}
.brandlogo__sub {
  display: block; font-size: 10px; color: var(--txt-d);
  letter-spacing: 2.2px; font-weight: 600; margin-top: 4px;
  text-transform: uppercase;
}
.railnav { display: flex; gap: 22px; margin-left: auto; flex-wrap: wrap }
.railnav a {
  color: var(--txt-d); font-size: 14px; padding: 4px 0;
  border-bottom: 1px solid transparent; transition: color .15s, border-color .15s;
}
.railnav a:hover { color: var(--acc-2); border-bottom-color: var(--acc-2); text-decoration: none }

/* ===== CTA ===== */
.cta {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 11px 20px; border-radius: 8px;
  font-family: "Unbounded", "Hanken Grotesk", system-ui, sans-serif;
  font-weight: 600; font-size: 14px;
  border: 1px solid transparent; white-space: nowrap;
  transition: transform .15s, box-shadow .2s, background .2s;
  cursor: pointer; letter-spacing: -.1px;
}
.cta:hover { text-decoration: none; transform: translateY(-1px) }
.cta--small { background: var(--bg-3); color: var(--txt); border-color: var(--line) }
.cta--small:hover { background: var(--bg-2); border-color: var(--acc) }
.cta--big { padding: 15px 28px; font-size: 15px; border-radius: 10px }
.cta--hot {
  background: linear-gradient(110deg, var(--acc) 0%, var(--good) 50%, var(--acc-2) 100%);
  color: #07040f; border: 0;
  box-shadow: 0 12px 30px -10px rgba(91, 77, 255, .75);
  font-weight: 700;
}
.cta--hot:hover { box-shadow: 0 16px 38px -8px rgba(255, 91, 208, .9) }
.cta--ghost { background: transparent; color: var(--txt); border-color: var(--line) }
.cta--ghost:hover { border-color: var(--acc-2); color: var(--acc-2) }

/* ===== AGGREGATE COUNTER (flux) ===== */
.flux {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 0; padding: 10px 22px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(91, 77, 255, .06), rgba(70, 224, 192, .04), rgba(255, 91, 208, .05));
  font-size: 13px;
}
.flux__cell {
  display: flex; flex-direction: column; gap: 2px;
  padding: 6px 14px;
  border-right: 1px solid var(--line);
  align-items: flex-start;
}
.flux__cell:last-child { border-right: 0 }
.flux__v {
  font-family: "Unbounded", "Hanken Grotesk", system-ui, sans-serif;
  font-weight: 700; font-size: 15px; color: var(--good);
  letter-spacing: -.2px;
}
.flux__k { font-size: 11px; color: var(--txt-d); letter-spacing: .6px; text-transform: uppercase }

/* ===== HERO ===== */
.hero {
  display: grid; grid-template-columns: 1.18fr 1fr; gap: 36px;
  padding: 48px 22px 32px;
  max-width: 1240px; margin: 0 auto;
  align-items: center;
}
.hero__tag {
  display: inline-block;
  font-size: 11px; letter-spacing: 1.4px; color: var(--good);
  background: rgba(70, 224, 192, .08);
  border: 1px solid rgba(70, 224, 192, .25);
  padding: 6px 12px; border-radius: 4px;
  margin: 0 0 18px;
  text-transform: uppercase; font-weight: 700;
}
h1 {
  font-family: "Unbounded", "Hanken Grotesk", system-ui, sans-serif;
  font-size: clamp(28px, 4.2vw, 48px); line-height: 1.08;
  margin: 0 0 18px; letter-spacing: -1px; font-weight: 700;
}
.acc { color: var(--acc-2) }
.hero__sub {
  color: var(--txt-d); font-size: 16px; margin: 0 0 14px; line-height: 1.66;
}
.hero__btns { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 28px }
.hero__fig { margin: 0 }
.hero__fig-svg {
  display: block; width: 100%; height: auto;
  border-radius: var(--r); border: 1px solid var(--line);
  background:
    radial-gradient(420px 320px at 30% 50%, rgba(91, 77, 255, .26), transparent 62%),
    radial-gradient(380px 300px at 82% 70%, rgba(255, 91, 208, .18), transparent 64%),
    linear-gradient(135deg, #0c0820 0%, #140f2c 100%);
  aspect-ratio: 16 / 11;
  box-shadow: 0 24px 64px -22px rgba(91, 77, 255, .45);
}
.hero__fig figcaption {
  margin-top: 12px; font-size: 12px; color: var(--txt-dd);
  font-style: italic; text-align: right;
}

/* KPI inline (lumen) */
.lumen {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  padding: 18px 0 0; border-top: 1px solid var(--line);
}
.lumen__item { display: flex; flex-direction: column; gap: 2px }
.lumen__num {
  font-family: "Unbounded", system-ui, sans-serif;
  font-size: 26px; font-weight: 700;
  color: var(--acc-2); letter-spacing: -.6px;
}
.lumen__lbl { font-size: 11px; color: var(--txt-d); text-transform: uppercase; letter-spacing: 1.2px }

/* ===== SECTIONS GENERAL ===== */
section {
  max-width: 1240px; margin: 0 auto;
  padding: 56px 22px;
}
section.hero, section.refract { padding-top: 36px }
.cue {
  display: inline-block;
  font-size: 11px; letter-spacing: 2.6px; text-transform: uppercase;
  color: var(--amber); font-weight: 700;
  margin: 0 0 10px;
}
h2 {
  font-family: "Unbounded", "Hanken Grotesk", system-ui, sans-serif;
  font-size: clamp(23px, 3.1vw, 35px); line-height: 1.2;
  margin: 0 0 16px; letter-spacing: -.6px; font-weight: 700;
}
h3 {
  font-family: "Unbounded", "Hanken Grotesk", system-ui, sans-serif;
  font-size: clamp(17px, 2vw, 21px); line-height: 1.34;
  margin: 26px 0 10px; color: var(--acc-2); font-weight: 600; letter-spacing: -.3px;
}
p { margin: 0 0 14px; color: var(--txt) }
.prelude { color: var(--txt-d); font-size: 16px; margin-bottom: 24px; max-width: 800px }

/* ===== WELCOME (refract) ===== */
.refract {
  background:
    radial-gradient(720px 360px at 84% 26%, rgba(255, 91, 208, .08) 0%, transparent 70%),
    rgba(15, 11, 31, .55);
  border: 1px solid var(--line);
  border-radius: var(--r);
  margin: 32px 22px;
  max-width: none;
}
.refract__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  margin: 22px 0 24px;
}
.lumen-box {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 22px 20px;
  position: relative; overflow: hidden;
  transition: border-color .2s, transform .15s;
}
.lumen-box:hover { border-color: var(--acc-2); transform: translateY(-2px) }
.lumen-box::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(91, 77, 255, .09), transparent 60%);
  pointer-events: none;
}
.lumen-box--2::before { background: linear-gradient(135deg, rgba(70, 224, 192, .09), transparent 60%) }
.lumen-box--3::before { background: linear-gradient(135deg, rgba(255, 91, 208, .09), transparent 60%) }
.lumen-box__step {
  font-family: "Unbounded", system-ui, sans-serif;
  font-size: 11px; color: var(--amber); font-weight: 700;
  letter-spacing: 2px; margin-bottom: 8px; text-transform: uppercase;
}
.lumen-box__pct {
  font-family: "Unbounded", system-ui, sans-serif;
  font-size: 30px; font-weight: 700; line-height: 1;
  color: var(--good); letter-spacing: -.8px;
  margin-bottom: 8px;
}
.lumen-box__title { font-weight: 700; font-size: 15px; margin-bottom: 6px }
.lumen-box__sub { font-size: 13px; color: var(--txt-d); line-height: 1.5 }

/* ===== THREE STEPS (beam) ===== */
.beam__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-top: 22px;
}
.beam-box {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 24px;
  position: relative;
}
.beam-box__num {
  font-family: "Unbounded", system-ui, sans-serif;
  position: absolute; top: 14px; right: 22px;
  font-size: 54px; font-weight: 700; line-height: 1;
  color: var(--bg-3);
}
.beam-box__head {
  font-size: 18px; font-weight: 700; margin-bottom: 12px;
  color: var(--acc-2);
}
.beam-box p { color: var(--txt-d); font-size: 14px; margin: 0 }

/* ===== SLOT GRID (prismlet) ===== */
.prismlets__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px; margin: 24px 0;
}
.prismlet {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  transition: transform .15s, border-color .2s, box-shadow .25s;
  display: flex; flex-direction: column;
}
.prismlet:hover {
  transform: translateY(-3px);
  border-color: var(--acc-2);
  box-shadow: 0 18px 36px -14px rgba(255, 91, 208, .42);
}
.prismlet__face {
  width: 100%; aspect-ratio: 4 / 3;
  display: flex; align-items: center; justify-content: center;
  font-family: "Unbounded", system-ui, sans-serif;
  font-weight: 700; font-size: 21px; color: rgba(238, 233, 255, .92);
  text-align: center; padding: 14px;
  letter-spacing: -.3px; line-height: 1.15;
  position: relative; overflow: hidden;
}
.prismlet__face::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(160deg, transparent 40%, rgba(0,0,0,.38) 100%);
  pointer-events: none;
}
.pf-1 { background: linear-gradient(135deg, #1a0f4a 0%, #5b4dff 100%) }
.pf-2 { background: linear-gradient(135deg, #0a2a30 0%, #46e0c0 100%); color: #061410 }
.pf-3 { background: linear-gradient(135deg, #3a0a2c 0%, #ff5bd0 100%) }
.pf-4 { background: linear-gradient(135deg, #2a2208 0%, #ffd24d 100%); color: #120c02 }
.pf-5 { background: linear-gradient(135deg, #140f3a 0%, #7a6bff 100%) }
.pf-6 { background: linear-gradient(135deg, #08283a 0%, #46e0c0 100%); color: #061410 }
.pf-7 { background: linear-gradient(135deg, #2a0a3a 0%, #a04dff 100%) }
.pf-8 { background: linear-gradient(135deg, #3a0a2c 0%, #ff7ad6 100%) }
.pf-9 { background: linear-gradient(135deg, #0a2238 0%, #4d9fff 100%) }
.pf-10 { background: linear-gradient(135deg, #322008 0%, #ffd24d 100%); color: #120c02 }
.pf-11 { background: linear-gradient(135deg, #0a3030 0%, #46e0c0 100%); color: #061410 }
.pf-12 { background: linear-gradient(135deg, #1a0f4a 0%, #ff5bd0 100%) }

.prismlet h3 { font-size: 15px; margin: 12px 14px 4px; color: var(--txt); font-weight: 600 }
.prismlet p { font-size: 12px; color: var(--txt-d); margin: 0 14px 12px; line-height: 1.4 }
.prismlet__go {
  display: block; padding: 10px;
  margin: auto 12px 12px;
  background: var(--bg-3); color: var(--txt);
  text-align: center; border-radius: 6px; font-size: 13px; font-weight: 600;
  border: 1px solid var(--line); transition: all .15s;
}
.prismlet__go:hover { background: var(--acc); border-color: var(--acc); color: #07040f; text-decoration: none }

.spectrum { margin: 22px 0 0 }
.spectrum__t { font-size: 12px; color: var(--amber); margin-bottom: 10px; letter-spacing: 1.4px; text-transform: uppercase; font-weight: 700 }
.spectrum__row { display: flex; flex-wrap: wrap; gap: 8px }
.spectrum__row span {
  padding: 6px 12px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 12px; color: var(--txt-d);
}

/* ===== LOYALTY ===== */
.lens__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
  margin-top: 22px;
}
.lens {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 22px 24px;
  transition: border-color .2s;
}
.lens:hover { border-color: var(--amber) }
.lens__h { font-weight: 700; font-size: 17px; margin-bottom: 10px; color: var(--amber) }
.lens p { color: var(--txt-d); font-size: 14px; margin: 0; line-height: 1.6 }

/* спектральные полосы как стек ступеней */
.bands {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 6px; margin-top: 14px;
}
.bands__band {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 8px;
  text-align: center;
  position: relative;
}
.bands__band:nth-child(1) { transform: translateY(0) }
.bands__band:nth-child(2) { transform: translateY(-5px) }
.bands__band:nth-child(3) { transform: translateY(-11px) }
.bands__band:nth-child(4) { transform: translateY(-18px); border-color: var(--acc); background: var(--bg-2) }
.bands__band:nth-child(5) { transform: translateY(-26px); border-color: var(--acc); background: var(--bg-2) }
.bands__band:nth-child(6) { transform: translateY(-34px); border-color: var(--acc-2); background: linear-gradient(135deg, var(--bg-2), rgba(255, 91, 208, .1)) }
.bands__name {
  font-family: "Unbounded", system-ui, sans-serif;
  font-size: 12px; font-weight: 700; color: var(--txt);
  display: block; line-height: 1; margin-bottom: 5px;
}
.bands__cb { font-size: 11px; color: var(--txt-d) }
.bands__band:nth-child(6) .bands__name { color: var(--acc-2) }

/* ===== TOURNAMENT (tour) ===== */
.tour {
  background:
    radial-gradient(640px 360px at 50% 50%, rgba(91, 77, 255, .12) 0%, transparent 70%),
    var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  margin: 32px 22px; max-width: none;
  text-align: center;
}
.tour .prelude { margin-left: auto; margin-right: auto }
.tour__btns { margin: 22px 0 28px }
.tourkpi {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin-top: 22px;
}
.tourkpi > div {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 18px 16px;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  text-align: center;
}
.tourkpi span {
  font-family: "Unbounded", system-ui, sans-serif;
  font-size: 22px; font-weight: 700; color: var(--good);
  margin-bottom: 4px; letter-spacing: -.3px;
}
.tourkpi em { font-size: 14px; font-weight: 700; color: var(--txt); font-style: normal }
.tourkpi i { font-size: 12px; color: var(--txt-d); font-style: normal; line-height: 1.4 }

/* ===== LIVE GALLERY (glow) ===== */
.live__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px; margin-top: 22px;
}
.glow {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  position: relative;
  transition: transform .15s, border-color .2s, box-shadow .25s;
}
.glow:hover {
  transform: translateY(-3px);
  border-color: var(--hot);
  box-shadow: 0 18px 36px -14px rgba(255, 91, 208, .42);
}
.glow__face {
  width: 100%; aspect-ratio: 16 / 9;
  display: flex; align-items: center; justify-content: center;
  font-family: "Unbounded", system-ui, sans-serif;
  font-weight: 700; font-size: 18px; color: rgba(238, 233, 255, .94);
  padding: 12px; text-align: center; letter-spacing: -.2px;
  position: relative; overflow: hidden;
}
.gl-1 { background: linear-gradient(135deg, #140f3a 0%, #5b4dff 100%) }
.gl-2 { background: linear-gradient(135deg, #2a2208 0%, #ffd24d 100%); color: #120c02 }
.gl-3 { background: linear-gradient(135deg, #0a2a30 0%, #46e0c0 100%); color: #061410 }
.gl-4 { background: linear-gradient(135deg, #3a0a2c 0%, #ff5bd0 100%) }
.gl-5 { background: linear-gradient(135deg, #0a1a3a 0%, #4d9fff 100%) }
.gl-6 { background: linear-gradient(135deg, #1a0f4a 0%, #a04dff 100%) }

.glow__body { padding: 14px 16px 16px; position: relative }
.glow__t { font-weight: 700; font-size: 16px; margin-bottom: 4px }
.glow__s { font-size: 12px; color: var(--txt-d); margin-bottom: 10px }
.glow__mult { font-size: 13px; color: var(--amber); font-weight: 600; margin-bottom: 4px }
.glow__bet { font-size: 12px; color: var(--txt-dd) }
.glow__tag {
  position: absolute; top: 12px; right: 16px;
  background: var(--hot); color: #fff;
  padding: 3px 10px; border-radius: 4px;
  font-size: 10px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase;
}

/* ===== BRAND OVERVIEW (overview) ===== */
.overview h3 {
  border-left: 3px solid var(--acc-2);
  padding-left: 14px; margin-top: 30px;
}
.overview p { color: var(--txt); line-height: 1.72 }
.hue {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line);
}
.hue__chip {
  padding: 7px 13px;
  background: var(--bg-2);
  border: 1px solid var(--acc);
  border-radius: 4px;
  font-size: 12px; color: var(--txt);
  letter-spacing: .4px;
}

/* ===== REVIEWS (note) ===== */
.note__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-top: 22px;
}
.note {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 22px 24px;
  display: flex; flex-direction: column; gap: 14px;
}
.note__stars { color: var(--amber); font-size: 16px; letter-spacing: 4px }
.note__stars--four .star-off { color: var(--line-2); }
.note__q { font-size: 14px; line-height: 1.62; color: var(--txt); margin: 0 }
.note__meta {
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; color: var(--txt-d);
  border-top: 1px solid var(--line); padding-top: 14px;
}
.note__ini {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--acc), var(--acc-2));
  border-radius: 50%; color: #fff; font-weight: 700; font-size: 14px;
  flex: none;
}

/* ===== PAYMENTS (disper) ===== */
.disper__grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px;
  margin: 22px 0 22px;
}
.disper-box {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  padding: 18px 14px;
  text-align: center;
  display: flex; flex-direction: column; gap: 4px;
}
.disper-box b { font-size: 15px; color: var(--txt); font-weight: 700 }
.disper-box i { font-size: 11px; color: var(--txt-d); font-style: normal; text-transform: uppercase; letter-spacing: 1px }

.disper__times {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  margin-top: 8px;
}
.disper__times > div {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  padding: 14px 18px;
  display: flex; flex-direction: column; gap: 4px;
}
.disper__times b {
  font-family: "Unbounded", system-ui, sans-serif;
  font-size: 16px; color: var(--good); font-weight: 700;
}
.disper__times span { font-size: 12px; color: var(--txt-d) }

/* ===== FINAL CTA ===== */
.final {
  text-align: center; padding: 56px 22px;
  background:
    radial-gradient(620px 320px at 50% 50%, rgba(255, 91, 208, .14) 0%, transparent 70%),
    var(--bg-2);
  border-radius: var(--r);
  margin: 32px 22px;
  border: 1px solid var(--line);
  max-width: none;
}
.final h2 { margin-bottom: 10px }
.final p { color: var(--txt-d); margin-bottom: 24px }

/* ===== FAQ (probe) ===== */
.probe h2 { margin-bottom: 22px }
details {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  padding: 16px 20px;
  margin: 0 0 10px;
  transition: border-color .2s;
}
details[open] { border-color: var(--acc-2) }
summary {
  cursor: pointer; font-weight: 600; list-style: none;
  position: relative; padding-right: 32px;
  display: flex; align-items: center; min-height: 24px;
}
summary::-webkit-details-marker { display: none }
summary::after {
  content: "▲"; position: absolute; right: 0; top: 50%; transform: translateY(-50%) rotate(180deg);
  width: 22px; height: 22px;
  border: 1px solid var(--line); border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: var(--acc-2); font-size: 10px;
  transition: transform .25s;
}
details[open] summary::after { transform: translateY(-50%) rotate(0deg); border-color: var(--acc-2) }
details p { margin: 12px 0 0; color: var(--txt-d); font-size: 15px; line-height: 1.66 }

/* ===== AUTHOR NOTE (coda) ===== */
.coda {
  border-top: 1px solid var(--line);
  margin-top: 12px;
}
.coda p { color: var(--txt-d); line-height: 1.72; max-width: 880px }

/* ===== FOOTER (baseplate) ===== */
.baseplate {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  background: rgba(8, 6, 18, .62);
}
.baseplate__top {
  max-width: 1240px; margin: 0 auto;
  padding: 42px 22px 26px;
  display: grid; grid-template-columns: 1.4fr 2fr; gap: 36px;
}
.baseplate__brand { font-size: 14px; color: var(--txt-d); line-height: 1.65 }
.baseplate__logo {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 16px;
}
.baseplate__logo span { display: flex; flex-direction: column; line-height: 1.1 }
.baseplate__logo strong { color: var(--txt); font-size: 16px; font-weight: 700; margin-bottom: 2px }
.baseplate__legal { font-size: 12px; color: var(--txt-dd); margin: 0; line-height: 1.65 }
.baseplate__legal strong { color: var(--acc-2) }
.baseplate__cols {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.baseplate__col h4 {
  font-family: "Unbounded", system-ui, sans-serif;
  font-size: 12px; color: var(--amber); font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.6px;
  margin: 0 0 12px;
}
.baseplate__col ul { list-style: none; padding: 0; margin: 0 }
.baseplate__col li {
  font-size: 13px; color: var(--txt-d);
  padding: 4px 0; cursor: default;
  transition: color .15s;
}
.baseplate__col li:hover { color: var(--txt) }
.baseplate__bottom {
  border-top: 1px solid var(--line);
  padding: 16px 22px;
  max-width: 1240px; margin: 0 auto;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px;
  font-size: 12px; color: var(--txt-dd);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .refract__grid { grid-template-columns: 1fr }
  .disper__grid { grid-template-columns: repeat(3, 1fr) }
  .tourkpi { grid-template-columns: repeat(2, 1fr) }
  .note__grid { grid-template-columns: 1fr }
  .baseplate__top { grid-template-columns: 1fr }
  .flux { grid-template-columns: repeat(3, 1fr) }
  .flux__cell:nth-child(4), .flux__cell:nth-child(5) { border-top: 1px solid var(--line); padding-top: 8px }
  .bands { grid-template-columns: repeat(3, 1fr) }
  .bands__band { transform: none !important }
}

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; gap: 24px; padding-top: 32px }
  .hero__fig { order: -1 }
  .railnav { display: none }
  .topbar { padding: 11px 14px }
  section { padding: 36px 16px }
  .refract, .tour, .final { padding: 36px 18px; margin: 22px 14px }
  .beam__grid { grid-template-columns: 1fr }
  .lens__grid { grid-template-columns: 1fr }
  .baseplate__top { padding: 30px 16px 22px; gap: 22px }
  .baseplate__cols { grid-template-columns: repeat(2, 1fr); gap: 18px }
  .flux { padding: 8px 14px; grid-template-columns: repeat(2, 1fr); font-size: 12px }
  .flux__cell { padding: 4px 10px }
  .disper__times { grid-template-columns: 1fr }
  .lumen { grid-template-columns: repeat(2, 1fr) }
}

@media (max-width: 480px) {
  .prismlets__grid { grid-template-columns: repeat(2, 1fr); gap: 10px }
  .live__grid { grid-template-columns: 1fr }
  .prismlet h3 { font-size: 13px }
  .prismlet p { font-size: 11px }
  .prismlet__face { font-size: 16px }
  .hero__btns { flex-direction: column; align-items: stretch }
  .cta--big { width: 100% }
  .disper__grid { grid-template-columns: repeat(2, 1fr) }
  .tourkpi { grid-template-columns: 1fr }
  .baseplate__cols { grid-template-columns: 1fr }
  .bands { grid-template-columns: repeat(2, 1fr) }
}

/* ===== HEADING-FONT OVERRIDE (body font must not leak into headings) ===== */
h1, h2, h3,
.brandlogo__t, .cta,
.flux__v, .lumen__num, .lumen-box__step, .lumen-box__pct,
.beam-box__num, .prismlet__face, .bands__name,
.tourkpi span, .glow__face, .baseplate__col h4,
.disper__times b {
  font-family: "Unbounded", "Hanken Grotesk", system-ui, sans-serif;
}
.hero__sub, .prelude, p, summary, details p,
.note__q, .lens p, .beam-box p {
  font-family: "Hanken Grotesk", ui-sans-serif, system-ui, Arial, sans-serif;
}
