:root {
  --accent: #4db8ff;
  --accent-soft: rgba(77, 184, 255, 0.15);
  --bg-dark: #0a0a0f;
  --bg-glass: rgba(255, 255, 255, 0.05);
  --border-glass: rgba(255, 255, 255, 0.1);
  --text-primary: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.6);
  --shadow-glow: 0 0 60px rgba(77, 184, 255, 0.15);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto,
    sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    rgba(77, 184, 255, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.ghost-mascot {
  width: 180px;
  height: 140px;
  margin-bottom: 32px;
  filter: drop-shadow(0 0 30px rgba(77, 184, 255, 0.3));
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  z-index: 1;
}

.hero h1 span {
  color: var(--accent);
}

.scaring-good {
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(77, 184, 255, 0.4);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: 0.03em;
  margin-bottom: 16px;
  z-index: 1;
}

.tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-muted);
  max-width: 500px;
  margin-bottom: 40px;
  z-index: 1;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 36px;
  background: var(--accent);
  color: var(--bg-dark);
  text-decoration: none;
  border-radius: 14px;
  font-size: 1.1rem;
  font-weight: 600;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
  box-shadow: var(--shadow-glow);
  z-index: 1;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 80px rgba(77, 184, 255, 0.25);
}

.download-btn svg {
  width: 20px;
  height: 20px;
}

.requirements {
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  z-index: 1;
}

.features {
  padding: 100px 24px;
}

.features h2 {
  text-align: center;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 60px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  padding: 32px;
  text-align: center;
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--accent);
}

.feature-card p {
  color: var(--text-muted);
  font-size: 1rem;
}

.how-it-works {
  padding: 80px 24px;
  text-align: center;
}

.how-it-works h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 20px;
}

.section-copy {
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto;
}

.section-copy-spaced {
  margin: 0 auto 32px;
}

.install-warning {
  max-width: 720px;
  margin: 0 auto 20px;
  padding: 16px 20px;
  color: #d8ecff;
  border-color: rgba(77, 184, 255, 0.35);
}

.install-steps {
  max-width: 760px;
  margin: 28px auto 16px;
  padding: 18px 24px 18px 42px;
  text-align: left;
  color: var(--text-muted);
}

.install-steps li {
  margin: 0 0 10px;
}

.install-steps li:last-child {
  margin-bottom: 0;
}

.install-code {
  width: min(760px, calc(100% - 10px));
  margin: 0 auto;
  padding: 16px 18px;
  text-align: left;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(77, 184, 255, 0.3);
  border-radius: 14px;
  color: #d9efff;
  overflow-x: auto;
}

.install-code code {
  font-family:
    ui-monospace, SFMono-Regular, SF Mono, Menlo, Monaco, Consolas,
    Liberation Mono, monospace;
  font-size: 0.92rem;
  line-height: 1.5;
}

.privacy {
  padding: 80px 24px;
  text-align: center;
}

.privacy-card {
  max-width: 600px;
  margin: 0 auto;
  padding: 48px;
}

.privacy h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  margin-bottom: 20px;
}

.privacy p {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.8;
}

.privacy-badges {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.badge {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.badge-icon {
  color: var(--accent);
}

footer {
  padding: 40px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border-glass);
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  .install-steps {
    padding-right: 16px;
  }

  .privacy-badges {
    flex-direction: column;
    align-items: center;
  }
}