:root {
  --bg: #08090b;
  --bg-soft: #101216;
  --card: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.12);
  --text: #f5f7fb;
  --muted: rgba(245, 247, 251, 0.68);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius-xl: 28px;
  --radius-lg: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at top, rgba(255,255,255,0.06), transparent 30%),
    linear-gradient(180deg, #07080a 0%, #0d1014 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

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

.bg-orb {
  position: fixed;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.14;
  z-index: 0;
}
.orb-1 { top: -80px; right: -80px; background: #ffffff; }
.orb-2 { left: -80px; bottom: 10%; background: #8f949d; }

.hero, .section {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero { padding: 26px 0 18px; }

.brand-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(180deg, #ffffff, #8f959e);
  box-shadow: 0 0 18px rgba(255,255,255,0.35);
}

.brand-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.glass {
  background: var(--card);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.hero-card {
  border-radius: 30px;
  padding: 26px;
}

.badge,
.section-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.76);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero-card h1,
.section h2,
.cta h2 {
  margin: 16px 0 0;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-card h1 {
  font-size: clamp(34px, 6vw, 68px);
  max-width: 900px;
}

.hero-text,
.info-card p,
.cta p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.hero-text {
  max-width: 720px;
  margin: 16px 0 0;
}

.hero-actions,
.support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  border-radius: 18px;
  padding: 15px 18px;
  font-size: 15px;
  font-weight: 700;
  transition: transform .2s ease, opacity .2s ease, border-color .2s ease, background .2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  color: #08090b;
  background: linear-gradient(180deg, #ffffff, #d6dae1);
}

.btn-secondary {
  color: var(--text);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
}

.btn-ghost {
  color: var(--text);
  background: transparent;
  border: 1px dashed rgba(255,255,255,0.18);
}

.hero-note {
  margin-top: 16px;
  color: rgba(255,255,255,0.58);
  font-size: 14px;
  line-height: 1.5;
}

.section { padding: 26px 0; }

.section-head { margin-bottom: 18px; }

.section h2,
.cta h2 {
  font-size: clamp(26px, 4vw, 44px);
}

.steps-grid,
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.step-card,
.feature-card {
  border-radius: var(--radius-lg);
  padding: 20px;
}

.step-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.12);
  font-weight: 800;
  margin-bottom: 14px;
}

.step-card p,
.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.support-card,
.info-card,
.cta {
  border-radius: var(--radius-xl);
  padding: 22px;
}

.instructions-panel {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.instruction-item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
}

.instruction-item strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
}

.instruction-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.cta { text-align: center; }

.cta p {
  max-width: 760px;
  margin: 14px auto 0;
}

.cta .hero-actions { justify-content: center; }

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .steps-grid,
  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .hero, .section {
    width: min(100% - 24px, 1120px);
  }

  .hero { padding-top: 18px; }

  .hero-card,
  .support-card,
  .info-card,
  .cta,
  .step-card,
  .feature-card {
    padding: 18px;
  }

  .steps-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .hero-actions,
  .support-actions {
    flex-direction: column;
  }
}