:root {
  --bg: #0f1115;
  --bg-alt: #161922;
  --card: #1c2130;
  --text: #e6e9ef;
  --muted: #9aa3b2;
  --accent: #5b8def;
  --accent-2: #4ad6a8;
  --border: #2a3142;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

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

/* Hero */
.hero {
  text-align: center;
  padding: 80px 20px 60px;
  background: radial-gradient(1200px 400px at 50% -10%, rgba(91,141,239,0.18), transparent);
  border-bottom: 1px solid var(--border);
}
.app-icon {
  display: block;
  width: 104px;
  height: 104px;
  border-radius: 22%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  margin: 0 auto 20px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  letter-spacing: -0.02em;
}
.tagline {
  font-size: 1.25rem;
  color: var(--accent-2);
  margin: 8px 0 16px;
  font-weight: 600;
}
.lead {
  max-width: 640px;
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 1.05rem;
}

.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  transition: transform .08s ease, opacity .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }

/* Sections */
.section { padding: 64px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section h2 { font-size: 1.9rem; margin: 0 0 28px; text-align: center; }
.section h3 { font-size: 1.2rem; margin: 28px 0 8px; }

/* Feature grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
}
.card h3 { margin-top: 0; color: var(--accent); }
.card p { margin: 0; color: var(--muted); }
code { background: rgba(255,255,255,0.06); padding: 2px 6px; border-radius: 6px; font-size: .92em; }

/* Security table */
.security-table {
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.security-table .row {
  display: grid;
  grid-template-columns: 200px 1fr;
  border-bottom: 1px solid var(--border);
}
.security-table .row:last-child { border-bottom: none; }
.security-table .row span { padding: 14px 18px; }
.security-table .row span:first-child { color: var(--accent-2); font-weight: 600; background: rgba(74,214,168,0.05); }
.security-table .row.head { background: var(--card); font-weight: 700; }
.security-table .row:not(.head) span:last-child { color: var(--muted); }
.note { color: var(--muted); text-align: center; margin-top: 20px; }

/* Screenshots */
.shots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
}
.shots img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
}

/* Code block */
pre {
  background: #0b0d12;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  overflow-x: auto;
}
pre code { background: none; padding: 0; }

/* Footer */
footer {
  padding: 32px 0;
  text-align: center;
  color: var(--muted);
  font-size: .9rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 520px) {
  .security-table .row { grid-template-columns: 1fr; }
  .security-table .row span:first-child { border-bottom: 1px solid var(--border); }
}