:root {
  --bg: #070809;
  --surface: #101418;
  --surface-2: #151a1f;
  --surface-3: #1c2026;
  --text: #f5f2ea;
  --muted: #aab3bd;
  --soft: #d7dde4;
  --line: rgba(245, 242, 234, 0.14);
  --orange: #f7931a;
  --teal: #27d5c3;
  --blue: #54a9ff;
  --green: #7ee787;
  --red: #ff6b5f;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

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

ul,
dl,
dd {
  margin: 0;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 46px);
  background: rgba(7, 8, 9, 0.72);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: background 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(7, 8, 9, 0.91);
  border-bottom-color: var(--line);
}

.brand,
.site-nav,
.hero-actions,
.hero-facts,
.split-layout,
.feature-list,
.arena-layers,
.contact-actions {
  display: flex;
}

.brand {
  align-items: center;
  gap: 10px;
  font-weight: 850;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  background: var(--orange);
  color: #070809;
  box-shadow: 0 0 22px rgba(247, 147, 26, 0.32);
  font-size: 17px;
}

.site-nav {
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a:hover {
  color: var(--text);
}

.nav-cta,
.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  padding: 10px 16px;
  font-weight: 780;
  text-align: center;
  border-radius: 8px;
}

.nav-cta {
  color: var(--orange);
  border-color: rgba(247, 147, 26, 0.46);
  min-width: max-content;
}

.button-primary {
  background: var(--orange);
  color: #160b00;
  border-color: var(--orange);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 132px clamp(18px, 6vw, 72px) 48px;
}

.arena-canvas,
.hero-shade {
  position: absolute;
  inset: 0;
}

.arena-canvas {
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 70% 28%, rgba(84, 169, 255, 0.18), transparent 30%),
    radial-gradient(circle at 32% 38%, rgba(247, 147, 26, 0.2), transparent 34%),
    linear-gradient(135deg, #070809 0%, #111418 54%, #071311 100%);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(7, 8, 9, 0.94), rgba(7, 8, 9, 0.62), rgba(7, 8, 9, 0.28)),
    linear-gradient(0deg, rgba(7, 8, 9, 0.92), transparent 52%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100%, 980px);
  max-width: 980px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(58px, 11vw, 144px);
  line-height: 0.86;
  letter-spacing: 0;
  max-width: 100%;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(34px, 5vw, 66px);
  line-height: 1;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.16;
}

p {
  color: var(--muted);
}

.hero-lede {
  max-width: 820px;
  color: var(--soft);
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.16;
  overflow-wrap: break-word;
}

.hero-actions {
  gap: 12px;
  flex-wrap: wrap;
  margin: 34px 0;
}

.btc-ticker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(100%, 520px);
  margin: 0 0 18px;
  padding: 16px 18px;
  border: 1px solid rgba(247, 147, 26, 0.4);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(247, 147, 26, 0.16), rgba(39, 213, 195, 0.06)),
    rgba(16, 20, 24, 0.82);
  box-shadow: 0 0 34px rgba(247, 147, 26, 0.08);
}

.btc-ticker-label {
  display: block;
  margin-bottom: 4px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.btc-ticker strong {
  display: block;
  color: var(--text);
  font-size: 32px;
  line-height: 1;
}

.btc-ticker p {
  max-width: 210px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

.btc-ticker.is-stale {
  border-color: rgba(245, 242, 234, 0.2);
}

.hero-facts {
  gap: 1px;
  flex-wrap: wrap;
  max-width: 940px;
}

.hero-facts div {
  min-width: 190px;
  padding: 18px;
  background: rgba(16, 20, 24, 0.78);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.hero-facts dt {
  color: var(--orange);
  font-size: 13px;
  font-weight: 850;
}

.hero-facts dd {
  margin-top: 4px;
  color: var(--muted);
}

.section {
  padding: 92px clamp(18px, 6vw, 72px);
}

.section-heading,
.split-layout,
.capability-grid,
.flow-track,
.prep-grid,
.wallet-flow,
.identity-panel,
.test-qr-panel,
.boundary-panel,
.journey-map,
.status-board,
.contact-panel {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.section-heading {
  margin-bottom: 38px;
}

.section-heading p {
  max-width: 790px;
  font-size: 18px;
}

.split-layout {
  gap: 18px;
  align-items: stretch;
}

.feature-list {
  flex: 1.2;
  flex-direction: column;
  gap: 14px;
}

.feature-list article,
.capability,
.flow-track article,
.prep-card,
.wallet-flow article,
.identity-panel,
.journey-map article,
.status-board article,
.boundary-panel,
.contact-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-list article {
  padding: 26px;
}

.feature-list span,
.flow-track span,
.journey-map span {
  color: var(--orange);
  font-weight: 900;
}

.feature-list p,
.capability p,
.flow-track p,
.prep-card p,
.wallet-flow p,
.journey-map p,
.status-board li,
.boundary-panel li,
.contact-note,
.site-footer {
  color: var(--muted);
}

.prep-card a {
  color: var(--orange);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

code {
  color: var(--soft);
  background: rgba(245, 242, 234, 0.08);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 0.92em;
}

.arena-panel {
  flex: 0.8;
  min-height: 430px;
  display: grid;
  align-content: center;
  gap: 24px;
  padding: 30px;
  background:
    linear-gradient(135deg, rgba(39, 213, 195, 0.08), rgba(247, 147, 26, 0.1)),
    var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.arena-ring {
  position: relative;
  display: grid;
  width: min(100%, 360px);
  aspect-ratio: 1;
  place-items: center;
  margin: 0 auto;
  border: 1px solid rgba(247, 147, 26, 0.52);
  background:
    linear-gradient(rgba(245, 242, 234, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 242, 234, 0.08) 1px, transparent 1px),
    rgba(7, 8, 9, 0.3);
  background-size: 42px 42px;
  border-radius: 8px;
}

.arena-ring::before,
.arena-ring::after {
  content: "";
  position: absolute;
  inset: 16%;
  border: 1px solid rgba(84, 169, 255, 0.38);
}

.arena-ring::after {
  inset: 32%;
  border-color: rgba(39, 213, 195, 0.4);
}

.arena-ring strong {
  position: relative;
  z-index: 2;
  font-size: 24px;
}

.pulse-dot {
  position: absolute;
  width: 13px;
  height: 13px;
  background: var(--orange);
  box-shadow: 0 0 18px rgba(247, 147, 26, 0.75);
}

.dot-a {
  top: 18%;
  left: 25%;
}

.dot-b {
  top: 56%;
  left: 72%;
  background: var(--teal);
  box-shadow: 0 0 18px rgba(39, 213, 195, 0.75);
}

.dot-c {
  top: 72%;
  left: 36%;
  background: var(--blue);
  box-shadow: 0 0 18px rgba(84, 169, 255, 0.75);
}

.dot-d {
  top: 32%;
  left: 67%;
  background: var(--red);
  box-shadow: 0 0 18px rgba(255, 107, 95, 0.75);
}

.arena-layers {
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.arena-layers span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  color: var(--soft);
  font-size: 13px;
  border-radius: 8px;
}

.section-system,
.section-journey {
  background: #0b0e11;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.capability {
  padding: 24px;
  min-width: 0;
}

.capability ul,
.status-board ul,
.boundary-panel ul {
  padding-left: 19px;
}

.capability li {
  color: var(--soft);
  margin: 7px 0;
}

.section-lightning {
  background:
    linear-gradient(135deg, rgba(247, 147, 26, 0.06), transparent 36%),
    #070809;
}

.section-wallet {
  background:
    linear-gradient(135deg, rgba(39, 213, 195, 0.06), transparent 38%),
    #070809;
}

.section-prizes {
  background: #0b0e11;
}

.section-trust {
  background:
    linear-gradient(135deg, rgba(84, 169, 255, 0.055), transparent 38%),
    #070809;
}

.section-demo {
  background:
    linear-gradient(135deg, rgba(247, 147, 26, 0.065), transparent 34%),
    linear-gradient(315deg, rgba(39, 213, 195, 0.055), transparent 32%),
    #0b0e11;
}

.prep-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.prep-card {
  padding: 24px;
  min-width: 0;
}

.trust-grid {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.trust-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.trust-grid p:last-child {
  margin-bottom: 0;
}

.partner-panel {
  max-width: var(--max);
  margin: 16px auto 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.partner-panel article {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.partner-panel article:first-child {
  border-color: rgba(247, 147, 26, 0.38);
}

.partner-panel ul {
  margin: 0;
  padding-left: 19px;
}

.partner-panel li {
  margin: 9px 0;
  color: var(--muted);
}

.flow-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
}

.flow-track article,
.wallet-flow article {
  padding: 26px;
  min-width: 0;
}

.wallet-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 16px;
}

.wallet-flow span {
  color: var(--orange);
  font-weight: 900;
}

.test-qr-panel {
  display: grid;
  grid-template-columns: 1.45fr 0.55fr;
  gap: 24px;
  align-items: center;
  margin-top: 16px;
  padding: 30px;
  border: 1px solid rgba(247, 147, 26, 0.34);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(247, 147, 26, 0.12), rgba(84, 169, 255, 0.08)),
    var(--surface-2);
}

.test-qr-panel p:last-child {
  margin-bottom: 0;
}

.qr-placeholder {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 8, 9, 0.46);
  text-align: center;
}

.qr-placeholder span {
  display: none;
}

.qr-placeholder img {
  width: min(100%, 150px);
  height: auto;
  padding: 10px;
  border-radius: 6px;
  background: #f5f2ea;
}

.qr-placeholder code {
  max-width: 100%;
  overflow-wrap: anywhere;
  color: var(--soft);
}

.qr-placeholder small {
  color: var(--muted);
}

.wallet-readiness-panel {
  border-color: rgba(39, 213, 195, 0.34);
  background:
    linear-gradient(135deg, rgba(39, 213, 195, 0.11), rgba(247, 147, 26, 0.08)),
    var(--surface-2);
}

.wallet-status-card {
  align-content: center;
  min-height: 260px;
}

.wallet-status-card strong {
  color: var(--orange);
  font-size: 16px;
  overflow-wrap: anywhere;
}

.wallet-status-card code {
  text-align: center;
}

.copy-address-button {
  appearance: none;
  border: 1px solid rgba(247, 147, 26, 0.52);
  border-radius: 8px;
  background: rgba(247, 147, 26, 0.14);
  color: var(--soft);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  min-height: 40px;
  padding: 9px 13px;
}

.copy-address-button:hover,
.copy-address-button:focus-visible {
  border-color: var(--orange);
  outline: none;
}

.boundary-panel {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 22px;
  margin-top: 16px;
  padding: 28px;
  border-color: rgba(39, 213, 195, 0.34);
}

.identity-panel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 16px;
  padding: 30px;
  border-color: rgba(247, 147, 26, 0.34);
  background:
    linear-gradient(135deg, rgba(247, 147, 26, 0.12), rgba(84, 169, 255, 0.08)),
    var(--surface-2);
}

.identity-panel p:last-child {
  margin-bottom: 0;
}

.boundary-panel p {
  max-width: 720px;
}

.boundary-panel li {
  margin: 8px 0;
}

.journey-map {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.journey-map article {
  padding: 24px;
}

.journey-map .is-current {
  border-color: rgba(247, 147, 26, 0.38);
  background: linear-gradient(180deg, rgba(247, 147, 26, 0.08), rgba(16, 20, 24, 0.98));
}

.status-board {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.status-board article {
  padding: 28px;
}

.status-board li {
  margin: 10px 0;
}

.prize-board article:first-child {
  border-color: rgba(247, 147, 26, 0.38);
}

.section-contact {
  padding-top: 46px;
}

.contact-panel {
  padding: clamp(30px, 6vw, 70px);
  background:
    linear-gradient(135deg, rgba(247, 147, 26, 0.16), rgba(39, 213, 195, 0.08)),
    var(--surface-3);
}

.contact-panel p {
  max-width: 760px;
}

.contact-actions {
  gap: 12px;
  flex-wrap: wrap;
  margin: 28px 0 18px;
}

.contact-note {
  margin-bottom: 0;
  font-size: 14px;
}

.contact-note a {
  color: var(--orange);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.booking-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0 18px;
}

.booking-form label {
  display: grid;
  gap: 7px;
  color: var(--soft);
  font-size: 14px;
  font-weight: 780;
}

.booking-form input,
.booking-form select,
.booking-form textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 8, 9, 0.58);
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
}

.booking-form textarea {
  resize: vertical;
}

.form-wide {
  grid-column: 1 / -1;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 6vw, 72px);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer p {
  margin-bottom: 0;
  max-width: 880px;
}

.site-footer a {
  min-width: max-content;
  color: var(--orange);
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.legal-page {
  padding: 132px clamp(18px, 6vw, 72px) 70px;
  background:
    linear-gradient(135deg, rgba(247, 147, 26, 0.08), transparent 34%),
    var(--bg);
}

.legal-hero,
.legal-content {
  max-width: 920px;
  margin: 0 auto;
}

.legal-hero {
  margin-bottom: 34px;
}

.legal-hero h1 {
  font-size: clamp(46px, 8vw, 88px);
  line-height: 0.95;
}

.legal-hero p {
  max-width: 760px;
  color: var(--soft);
  font-size: 20px;
}

.legal-content {
  display: grid;
  gap: 14px;
}

.legal-content article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.legal-content h2 {
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.15;
}

.legal-content p:last-child {
  margin-bottom: 0;
}

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

@media (max-width: 1020px) {
  .capability-grid,
  .prep-grid,
  .trust-grid,
  .journey-map {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-track,
  .wallet-flow {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

@media (max-width: 860px) {
  .site-header {
    position: absolute;
    flex-wrap: wrap;
  }

  .site-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    min-height: 880px;
    padding-top: 156px;
  }

  .split-layout,
  .identity-panel,
  .test-qr-panel,
  .status-board,
  .boundary-panel,
  .partner-panel,
  .site-footer {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .legal-nav {
    justify-content: flex-start;
  }

  .arena-panel {
    min-height: 360px;
  }
}

@media (max-width: 620px) {
  .nav-cta {
    display: none;
  }

  .site-nav {
    gap: 16px;
    font-size: 13px;
  }

  .hero {
    min-height: 920px;
    overflow-x: hidden;
  }

  .hero-content {
    width: min(calc(100vw - 64px), 326px);
    max-width: min(calc(100vw - 64px), 326px);
  }

  .section-heading {
    width: min(calc(100vw - 56px), 340px);
    max-width: min(calc(100vw - 56px), 340px);
  }

  h1 {
    font-size: clamp(40px, 12vw, 48px);
    line-height: 0.94;
  }

  h2 {
    font-size: 31px;
    line-height: 1.04;
  }

  .hero-lede {
    max-width: calc(100vw - 56px);
    font-size: 19px;
    line-height: 1.24;
  }

  .hero-facts div,
  .button,
  .btc-ticker {
    width: 100%;
  }

  .btc-ticker {
    align-items: flex-start;
    flex-direction: column;
  }

  .btc-ticker p {
    max-width: none;
    text-align: left;
  }

  .capability-grid,
  .flow-track,
  .prep-grid,
  .trust-grid,
  .wallet-flow,
  .journey-map {
    grid-template-columns: 1fr;
  }

  .booking-form {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 70px;
    padding-bottom: 70px;
  }
}