:root {
  color-scheme: dark;
  --bg: #07081a;
  --bg-elevated: rgba(10, 15, 38, 0.82);
  --bg-card: rgba(15, 20, 50, 0.88);
  --line: rgba(121, 227, 255, 0.22);
  --line-strong: rgba(121, 227, 255, 0.48);
  --text: #f4f7ff;
  --muted: #bcc7ea;
  --cyan: #76e8ff;
  --pink: #ff5fd2;
  --gold: #ffd778;
  --shadow-cyan: rgba(118, 232, 255, 0.22);
  --shadow-pink: rgba(255, 95, 210, 0.18);
  --max-width: 1120px;
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html {
  font-family:
    "SF Pro Display",
    "SF Pro Text",
    "Segoe UI",
    sans-serif;
  background:
    radial-gradient(circle at top, rgba(108, 78, 255, 0.24), transparent 34%),
    radial-gradient(circle at 80% 10%, rgba(0, 208, 255, 0.16), transparent 22%),
    linear-gradient(180deg, #0d1231 0%, #080a1e 38%, #050611 100%);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(4, 7, 22, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header__inner {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 14px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.05),
    0 12px 34px rgba(0, 0, 0, 0.35);
}

.brand__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.brand__subtitle {
  margin: 2px 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.header-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.header-nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}

.header-nav a:hover,
.header-nav a:focus-visible {
  color: var(--text);
}

.hero {
  padding: 56px 0 32px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: stretch;
}

.hero__grid--stacked {
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
}

.panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(18, 23, 56, 0.96), rgba(9, 11, 27, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow:
    0 26px 80px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(118, 232, 255, 0.18), transparent 34%),
    radial-gradient(circle at top right, rgba(255, 95, 210, 0.16), transparent 30%);
  pointer-events: none;
}

.hero-copy {
  padding: 34px;
}

.hero-copy--wide {
  min-height: 100%;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1,
.section h2,
.section h3 {
  margin: 0;
  line-height: 0.96;
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.2rem);
  text-transform: uppercase;
  letter-spacing: -0.05em;
}

.hero h1 span {
  display: block;
  color: transparent;
  background:
    linear-gradient(135deg, var(--cyan), #dfebff 36%, var(--pink) 82%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero p {
  margin: 18px 0 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.65;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.button--primary {
  background: linear-gradient(135deg, var(--cyan), #a6f2ff 42%, var(--pink));
  color: #08101f;
  box-shadow: 0 16px 34px var(--shadow-cyan);
}

.button--secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.button--disabled {
  opacity: 0.56;
  pointer-events: none;
}

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

.store-button {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-radius: 20px;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.11);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.2);
}

.store-button span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.store-button strong {
  font-size: 1rem;
}

.store-button--placeholder {
  color: var(--text);
}

.hero-art {
  min-height: 560px;
}

.hero-showcase {
  display: grid;
  gap: 18px;
}

.hero-art--landscape {
  min-height: 320px;
}

.hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mini-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.section {
  padding: 18px 0 24px;
}

.section__heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section__heading h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  text-transform: uppercase;
  letter-spacing: -0.04em;
}

.section__heading p,
.lede {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card-grid--four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.card--compact {
  padding: 20px;
}

.card h3 {
  font-size: 1.12rem;
  margin-bottom: 12px;
}

.card-kicker {
  margin: 0 0 8px;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card p,
.card li,
.copy-block p,
.copy-block li {
  color: var(--muted);
  line-height: 1.72;
}

.card ul,
.copy-block ul {
  margin: 0;
  padding-left: 18px;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.copy-block {
  padding: 26px;
  border-radius: var(--radius-lg);
  background: rgba(11, 15, 39, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.media-card {
  margin: 0;
  padding: 14px;
  border-radius: var(--radius-lg);
  background: rgba(11, 15, 39, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.media-card img {
  width: 100%;
  border-radius: 18px;
}

.media-card figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.5;
}

.video-card {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(280px, 0.52fr);
  gap: 22px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(11, 15, 39, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.video-card video {
  width: 100%;
  border-radius: 20px;
  background: #000;
}

.video-card__copy {
  align-self: center;
}

.video-card__copy h3 {
  margin-bottom: 10px;
  font-size: 1.24rem;
}

.copy-block h3 {
  margin-bottom: 14px;
  font-size: 1.18rem;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.badge {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.84rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.support-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 18px;
}

.faq-item + .faq-item {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.faq-item h3 {
  margin-bottom: 8px;
  font-size: 1.06rem;
}

.support-contact {
  display: grid;
  gap: 14px;
}

.support-contact a {
  color: var(--cyan);
}

code {
  font-family:
    "SF Mono",
    "SFMono-Regular",
    Menlo,
    Consolas,
    monospace;
  font-size: 0.92em;
  color: var(--gold);
}

.callout {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(118, 232, 255, 0.12), rgba(255, 95, 210, 0.1));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer {
  padding: 34px 0 56px;
  color: var(--muted);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer__links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer__links a {
  text-decoration: none;
}

.legal-copy p + p {
  margin-top: 14px;
}

.challenge-shell {
  min-height: calc(100vh - 98px);
  display: grid;
  align-items: center;
  padding: 40px 0 72px;
}

.challenge-panel {
  padding: 34px;
}

.challenge-panel h1 {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 0.94;
  text-transform: uppercase;
  letter-spacing: -0.05em;
}

.challenge-copy {
  margin: 18px 0 0;
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.7;
}

.challenge-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 220px));
  gap: 14px;
  margin: 26px 0 22px;
}

.challenge-pill {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.challenge-pill span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.challenge-pill strong {
  display: block;
  margin-top: 8px;
  font-size: 1.12rem;
}

@media (max-width: 960px) {
  .hero__grid,
  .card-grid,
  .card-grid--four,
  .two-column,
  .support-grid,
  .media-grid,
  .video-card {
    grid-template-columns: 1fr;
  }

  .mini-stat-grid,
  .store-row {
    grid-template-columns: 1fr;
  }

  .hero-art {
    min-height: 360px;
  }
}

@media (max-width: 680px) {
  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding-top: 36px;
  }

  .hero-copy,
  .card,
  .copy-block,
  .challenge-panel {
    padding: 20px;
  }

  .page-shell,
  .site-header__inner {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .challenge-meta {
    grid-template-columns: 1fr;
  }
}