:root {
  --bg: #08111c;
  --panel: rgba(16, 28, 46, 0.84);
  --panel-border: rgba(123, 175, 243, 0.16);
  --text: #f4f7fb;
  --muted: #b4c1d7;
  --accent: #3ad5b3;
  --accent-deep: #12b695;
  --warm: #ff9f6f;
  --shadow: 0 28px 60px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(circle at 10% 20%, rgba(58, 213, 179, 0.16), transparent 28%),
    radial-gradient(circle at 88% 15%, rgba(255, 159, 111, 0.14), transparent 24%),
    linear-gradient(180deg, #07111b, #0b1422 58%, #09111c);
  color: var(--text);
  font-family: "Manrope", sans-serif;
}

.halo {
  border-radius: 999px;
  filter: blur(30px);
  position: fixed;
  z-index: 0;
}

.halo-left {
  background: rgba(58, 213, 179, 0.16);
  height: 280px;
  left: -90px;
  top: 60px;
  width: 280px;
}

.halo-right {
  background: rgba(255, 159, 111, 0.16);
  height: 240px;
  right: -60px;
  top: 120px;
  width: 240px;
}

.page-shell {
  margin: 0 auto;
  max-width: 1180px;
  padding: 28px 18px 48px;
  position: relative;
  z-index: 1;
}

.hero-card,
.content-grid {
  display: grid;
  gap: 18px;
}

.hero-card {
  grid-template-columns: 1.2fr 0.8fr;
  margin-bottom: 18px;
}

.hero-copy,
.hero-stats,
.panel {
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(20, 33, 54, 0.92), rgba(9, 17, 29, 0.92));
  border: 1px solid var(--panel-border);
  border-radius: 30px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.hero-stats {
  display: grid;
  gap: 14px;
}

.content-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.eyebrow,
.panel-kicker {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: "Sora", sans-serif;
  line-height: 1.08;
  margin: 0;
}

h1 {
  font-size: clamp(2.3rem, 4vw, 4rem);
  margin-top: 12px;
}

h2 {
  font-size: clamp(1.3rem, 2vw, 1.75rem);
  margin-top: 10px;
}

.hero-text,
.panel-copy,
.plain-list,
.steps-list {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  font-size: 1rem;
  margin-top: 18px;
  max-width: 58ch;
}

.notice {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  color: var(--text);
  margin-top: 22px;
  padding: 16px 18px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.download-button,
.secondary-link,
.secondary-button {
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.96rem;
  font-weight: 800;
  line-height: 1;
  padding: 16px 22px;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.download-button {
  background: linear-gradient(135deg, var(--accent), #7af1d1);
  box-shadow: 0 18px 32px rgba(18, 182, 149, 0.28);
  color: #07131f;
}

.download-button-disabled {
  background: rgba(255, 255, 255, 0.12);
  color: var(--muted);
}

.secondary-link,
.secondary-button {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.download-button:hover,
.secondary-link:hover,
.secondary-button:hover {
  transform: translateY(-1px);
}

.device-chip {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  color: var(--text);
  display: inline-flex;
  margin-top: 18px;
  padding: 12px 15px;
}

.install-help {
  color: var(--muted);
  line-height: 1.7;
  margin-top: 14px;
  max-width: 58ch;
}

.stat-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 22px;
  padding: 18px;
}

.stat-card span {
  color: var(--muted);
  display: block;
  font-size: 0.88rem;
  margin-bottom: 8px;
}

.stat-card strong {
  font-size: 1.05rem;
}

.steps-list,
.plain-list {
  margin: 18px 0 0;
  padding-left: 20px;
}

.checksum-box {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 18px;
  overflow-wrap: anywhere;
  padding: 16px;
}

.secondary-button {
  border: 0;
  cursor: pointer;
  font-family: inherit;
  margin-top: 14px;
}

@media (max-width: 900px) {
  .hero-card,
  .content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .page-shell {
    padding: 18px 14px 36px;
  }

  .hero-copy,
  .hero-stats,
  .panel {
    padding: 22px;
  }

  .download-button,
  .secondary-link {
    width: 100%;
    justify-content: center;
  }
}