:root {
  --bg: #0e1116;
  --bg2: #141a22;
  --card: #1b2129;
  --text: #e6e9ee;
  --muted: #97a0ad;
  --accent: #4f8cff;
  --accent2: #7c5cff;
  --ok: #34d399;
  --border: #2a323c;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, system-ui, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  background: rgba(255,255,255,.07);
  padding: .1em .4em;
  border-radius: 5px;
  font-size: .9em;
}

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

/* Nav */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 1080px;
  margin: 0 auto;
  position: sticky;
  top: 0;
  background: rgba(14,17,22,.8);
  backdrop-filter: blur(10px);
  z-index: 10;
  border-bottom: 1px solid transparent;
}
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; }
.nav-links { display: flex; gap: 1.5rem; font-size: .9rem; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--text); }

main { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }

/* Hero */
.hero { text-align: center; padding: 4rem 0 3rem; }
.badge-row { display: flex; gap: .6rem; justify-content: center; margin-bottom: 1.5rem; flex-wrap: wrap; }
.pill {
  font-size: .78rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .3rem .85rem;
  background: var(--bg2);
}
.hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  margin-bottom: 1.25rem;
}
.grad {
  background: linear-gradient(100deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 620px;
  margin: 0 auto 2rem;
}
.lede.center { text-align: center; }

.cta-row { display: flex; gap: .85rem; justify-content: center; flex-wrap: wrap; }
.cta-row.center { margin-top: 1.5rem; }
.btn {
  display: inline-block;
  padding: .85rem 1.6rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform .12s, opacity .12s;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--accent); color: #fff; }
.btn.secondary { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.subnote { color: var(--muted); font-size: .85rem; margin-top: 1rem; }

/* Preview mock */
.preview { padding: 1rem 0 4rem; }
.window {
  max-width: 460px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 80px -20px rgba(79,140,255,.25);
}
.window-bar {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .75rem 1rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
}
.dot { width: 11px; height: 11px; border-radius: 50%; background: var(--border); }
.window-url {
  margin-left: auto;
  font-size: .78rem;
  color: var(--muted);
  font-family: ui-monospace, monospace;
}
.window-body { padding: 1.25rem; display: flex; flex-direction: column; gap: .85rem; }
.mock-line { display: flex; flex-direction: column; gap: .3rem; }
.mock-label { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.mock-input {
  background: #0d1116;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: .65rem .75rem;
  font-size: .9rem;
  color: var(--text);
}
.mock-btn {
  background: var(--accent);
  color: #fff;
  text-align: center;
  padding: .75rem;
  border-radius: 10px;
  font-weight: 600;
  margin-top: .25rem;
}
.mock-result {
  color: var(--ok);
  font-size: .85rem;
  text-align: center;
  border: 1px solid rgba(52,211,153,.35);
  border-radius: 9px;
  padding: .6rem;
}

/* Sections */
section h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  letter-spacing: -.01em;
  margin-bottom: 2.5rem;
}

.features { padding: 3rem 0; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); }
.ico { font-size: 1.8rem; margin-bottom: .75rem; }
.card h3 { font-size: 1.05rem; margin-bottom: .4rem; }
.card p { color: var(--muted); font-size: .92rem; }

/* How */
.how { padding: 3rem 0; }
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}
.step {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.num {
  width: 2.4rem;
  height: 2.4rem;
  margin: 0 auto .8rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
}
.step p { color: var(--muted); font-size: .92rem; }

/* Install on phone */
.install-phone { padding: 3rem 0; }
.phone-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  max-width: 780px;
  margin: 0 auto;
}
.phone-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.75rem;
}
.phone-head { display: flex; align-items: center; gap: .65rem; margin-bottom: 1.1rem; }
.phone-ico { font-size: 1.6rem; }
.phone-head h3 { font-size: 1.2rem; }
.phone-card ol {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  color: var(--muted);
  font-size: .93rem;
  margin-bottom: 1.1rem;
}
.tag {
  display: inline-block;
  font-size: .75rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .3rem .8rem;
}
.tag.ok { color: var(--ok); border-color: rgba(52,211,153,.4); }

/* Install (Chrome) */
.install { padding: 3rem 0 4rem; text-align: center; }
.install-steps {
  max-width: 560px;
  margin: 1.5rem auto 0;
  text-align: left;
  color: var(--muted);
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.install-steps li { font-size: .95rem; }

/* Footer */
.footer { border-top: 1px solid var(--border); margin-top: 2rem; }
.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: .85rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer nav { display: flex; gap: 1.25rem; }
.footer nav a { color: var(--muted); }
.footer nav a:hover { color: var(--text); }

@media (max-width: 560px) {
  .nav-links { display: none; }
}