:root {
  --bg: #090D16; --bg2: #0F1626; --panel: #111827; --panel2: #172036; --line: #1F2A44;
  --text: #EDF1FA; --muted: #8A96B0; --cyan: #38BDF8; --violet: #A78BFA; --mint: #34D399; --coral: #FB7185;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-image: radial-gradient(900px 600px at 10% -10%, rgba(56,189,248,.10), transparent 60%),
                    radial-gradient(900px 700px at 100% 20%, rgba(167,139,250,.10), transparent 60%);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.mont { font-family: "Montserrat", -apple-system, sans-serif; }

/* nav */
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav img { height: 28px; display: block; }
.nav .links { display: flex; gap: 22px; align-items: center; font-size: 14px; color: var(--muted); }
.nav .links a { color: var(--muted); }
.nav .links a.btn { color: var(--bg); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; cursor: pointer;
  border-radius: 12px; padding: 12px 20px; font-weight: 700; font-size: 15px; background: var(--cyan); color: var(--bg); }
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.violet { background: var(--violet); }
.btn.sm { padding: 8px 14px; font-size: 13px; border-radius: 10px; }
.btn[disabled] { opacity: .55; cursor: default; }

/* hero */
.hero { padding: 72px 0 40px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
.eyebrow { font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
h1 { font-size: 52px; line-height: 1.05; margin: 14px 0 18px; letter-spacing: -.02em; font-weight: 800; }
h1 .c { color: var(--cyan); } h1 .v { color: var(--violet); }
.lede { font-size: 19px; color: var(--muted); max-width: 540px; margin: 0 0 26px; }
.cta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.cta .note { font-size: 13px; color: var(--muted); }
.phone { position: relative; justify-self: center; }
.phone img { width: 300px; border-radius: 36px; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0,0,0,.6), 0 0 0 10px #0b0f1a; display: block; }

/* sections */
section { padding: 56px 0; }
h2 { font-size: 32px; letter-spacing: -.01em; margin: 0 0 8px; font-weight: 800; }
.sub { color: var(--muted); margin: 0 0 28px; font-size: 17px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: linear-gradient(180deg, var(--panel), var(--bg2)); border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.card h3 { margin: 10px 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.num { font-family: "Montserrat", sans-serif; font-weight: 800; font-size: 13px; letter-spacing: .14em; color: var(--violet); }

/* the sentence demo */
.demo { border-left: 3px solid var(--violet); padding-left: 16px; color: var(--muted); font-size: 17px; }
.demo b { color: var(--text); font-weight: 600; }
.demo .big { color: var(--violet); font-weight: 800; font-size: 22px; }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 760px; }
.plan { position: relative; }
.plan.best { border-color: rgba(56,189,248,.5); box-shadow: 0 0 0 1px rgba(56,189,248,.25) inset; }
.plan .tag { position: absolute; top: -12px; right: 18px; background: var(--mint); color: var(--bg); font-size: 11px; font-weight: 800;
  letter-spacing: .08em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; }
.plan .price { font-size: 44px; font-weight: 800; letter-spacing: -.02em; margin: 6px 0 0; }
.plan .price span { font-size: 15px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 16px 0 20px; color: var(--muted); font-size: 14px; }
.plan li { padding: 4px 0; }
.plan li::before { content: "✓ "; color: var(--mint); font-weight: 800; }
.fine { font-size: 13px; color: var(--muted); margin-top: 14px; }

/* faq */
.faq details { border-top: 1px solid var(--line); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 16px; }
.faq p { color: var(--muted); margin: 8px 0 0; }

/* footer */
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 13px; }
footer .row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--muted); margin-right: 16px; }

/* forms (account, success) */
.box { max-width: 460px; margin: 48px auto; background: linear-gradient(180deg, var(--panel), var(--bg2)); border: 1px solid var(--line); border-radius: 20px; padding: 28px; }
.box h2 { font-size: 24px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
input[type=email], input[type=text] { width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; font-size: 16px; outline: none; }
input:focus { border-color: var(--cyan); }
input.code { font-size: 28px; letter-spacing: .4em; text-align: center; font-weight: 700; }
.msg { font-size: 14px; margin-top: 12px; min-height: 20px; }
.msg.err { color: var(--coral); } .msg.ok { color: var(--mint); }
.kv { display: flex; justify-content: space-between; padding: 10px 0; border-top: 1px solid var(--line); font-size: 15px; }
.kv:first-of-type { border-top: 0; }
.kv span:last-child { color: var(--text); font-weight: 600; }
.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; border: 1px solid; }
.pill.on { color: var(--mint); border-color: rgba(52,211,153,.5); background: rgba(52,211,153,.12); }
.pill.off { color: var(--coral); border-color: rgba(251,113,133,.5); background: rgba(251,113,133,.12); }
.stack { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.legal h2 { font-size: 26px; margin-top: 36px; }
.legal h3 { margin: 26px 0 6px; font-size: 18px; }
.legal p, .legal li { color: var(--muted); font-size: 15px; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 36px; }
  .hero > div { min-width: 0; }
  .lede { max-width: 100%; font-size: 17px; }
  h1 { font-size: 38px; }
  .grid3, .plans { grid-template-columns: 1fr; }
  .phone img { width: 240px; }
  .nav .links a:not(.btn) { display: none; }
}