/* AxtarTap — a dark landing: navy ground, white heavy type, blue pill buttons, a phone with a chat. */
:root {
  --bg: #070d1a;
  --bg2: #0d1930;
  --panel: rgba(255, 255, 255, .045);
  --line: rgba(255, 255, 255, .09);
  --text: #f4f7fb;
  --muted: #9fb0c8;
  --accent: #3b82f6;
  --radius: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--text); font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 70% -10%, #17305c 0%, transparent 60%), linear-gradient(180deg, var(--bg2), var(--bg) 60%);
  background-color: var(--bg); background-attachment: fixed; line-height: 1.55; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
main, .top, .foot { max-width: 1120px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }

/* ---- top bar ---- */
.top { display: flex; align-items: center; gap: 16px; padding-top: 18px; padding-bottom: 18px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; }
.logo { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: var(--accent); font-weight: 900; }
.tabs { display: flex; gap: 4px; margin: 0 auto; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); }
.tab { padding: 8px 16px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--muted); }
.tab.on, .tab:hover { color: var(--text); background: rgba(255, 255, 255, .08); }
.right { display: flex; align-items: center; gap: 12px; }
.langs { display: flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; }
.lang { padding: 5px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; color: var(--muted); }
.lang.on { color: var(--text); background: rgba(255, 255, 255, .1); }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 9px; padding: 14px 26px; border-radius: 999px; background: var(--accent); color: #fff;
  font-weight: 700; font-size: 16px; box-shadow: 0 10px 30px -10px var(--accent); transition: transform .15s ease, filter .15s ease;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.08); }
.btn.small { padding: 9px 16px; font-size: 14px; box-shadow: none; }
.link { color: var(--muted); font-weight: 600; font-size: 14px; }
.link:hover { color: var(--text); }
.row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.row.center { justify-content: center; }

/* ---- hero ---- */
.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; padding: 56px 0 40px; }
.hero.single { grid-template-columns: 1fr; text-align: center; padding-bottom: 8px; }
.hero.single .sub { margin-left: auto; margin-right: auto; }
h1 { margin: 0 0 18px; font-size: clamp(34px, 5.4vw, 60px); line-height: 1.06; font-weight: 900; letter-spacing: -.02em; }
.sub { margin: 0 0 28px; max-width: 560px; font-size: clamp(16px, 1.7vw, 19px); color: var(--muted); }
.note { margin: 18px 0 0; font-size: 13px; color: var(--muted); }
.tag {
  display: inline-block; margin-bottom: 14px; padding: 5px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase; color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent);
}

/* ---- phone ---- */
.phone {
  justify-self: center; width: min(300px, 78vw); aspect-ratio: 9 / 17.5; padding: 14px; border-radius: 38px; background: #05080f;
  border: 1px solid rgba(255, 255, 255, .14); box-shadow: 0 40px 80px -30px #000, 0 0 0 6px rgba(255, 255, 255, .03); position: relative;
}
.notch { width: 86px; height: 20px; margin: 0 auto 12px; border-radius: 999px; background: #0d1422; }
.chat { display: flex; flex-direction: column; gap: 9px; height: calc(100% - 32px); padding: 12px 10px; border-radius: 26px; background: linear-gradient(180deg, #0e1a2e, #0a1322); overflow: hidden; }
.bubble { max-width: 88%; padding: 9px 12px; border-radius: 16px; font-size: 12.5px; line-height: 1.4; }
.bubble.bot { align-self: flex-start; background: #1a2740; border-bottom-left-radius: 5px; }
.bubble.me { align-self: flex-end; background: var(--accent); border-bottom-right-radius: 5px; }

/* ---- blocks ---- */
.block { padding: 56px 0; }
h2 { margin: 0 0 10px; font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; letter-spacing: -.015em; text-align: center; }
.lead { margin: 0 auto 34px; max-width: 620px; text-align: center; color: var(--muted); font-size: 17px; }
h2 + .grid, h2 + .steps, h2 + .rules { margin-top: 30px; }
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }
.card { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.card h3 { margin: 0 0 8px; font-size: 18px; font-weight: 700; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.emoji { margin-bottom: 14px; font-size: 30px; line-height: 1; }
.card.bot { display: flex; flex-direction: column; border-color: color-mix(in srgb, var(--accent) 35%, transparent); background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, transparent), var(--panel)); }
.card.bot h3 { font-size: 24px; font-weight: 800; }
.card.bot p { flex: 1; margin-bottom: 22px; }
.card.bot .btn { padding: 11px 20px; font-size: 15px; }

/* ---- steps ---- */
.steps { max-width: 720px; margin: 0 auto; padding: 0; list-style: none; display: grid; gap: 12px; }
.steps li { display: flex; gap: 18px; align-items: flex-start; padding: 20px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.num { flex: none; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: var(--accent); font-weight: 800; }
.steps h3 { margin: 0 0 4px; font-size: 17px; }
.steps p { margin: 0; color: var(--muted); font-size: 15px; }
.rules { max-width: 720px; margin: 0 auto; padding-left: 22px; color: var(--muted); font-size: 16px; }
.rules li { margin-bottom: 10px; }

/* ---- final call ---- */
.final { margin: 20px 0 60px; padding: 52px 24px; text-align: center; border: 1px solid var(--line); border-radius: 28px; background: radial-gradient(600px 240px at 50% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%), var(--panel); }
.final .lead { margin-bottom: 26px; }
.final .btn[style] { background: var(--accent); }
.others { margin: 26px 0 0; color: var(--muted); font-size: 14px; }
.others a:hover { color: var(--text); }

/* ---- footer ---- */
.foot { padding-top: 26px; padding-bottom: 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; text-align: center; }
.footlinks { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; margin-bottom: 16px; font-weight: 600; font-size: 14px; }
.footlinks a:hover { color: var(--text); }
.foot p { margin: 6px auto; max-width: 720px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 32px; text-align: center; }
  .hero .sub { margin-left: auto; margin-right: auto; }
  .grid.three, .grid.four { grid-template-columns: repeat(2, 1fr); }
  .tabs { display: none; }
  .right { margin-left: auto; }
}
@media (max-width: 600px) {
  .grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; }
  .block { padding: 40px 0; }
  .btn.small { display: none; }
  .card.bot .row { justify-content: space-between; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }
.card.bot .tag { align-self: flex-start; }