:root {
  --bg: #05070c;
  --bg-2: #0b1020;
  --card: #0e1424;
  --line: #1c2540;
  --text: #eef1f8;
  --muted: #8d97ad;
  --red: #ff3d1f;
  --blue: #1e8fff;
  --grad: linear-gradient(120deg, var(--red), var(--blue));
  --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 50% -200px, #16203a 0%, var(--bg) 60%) no-repeat, var(--bg);
  color: var(--text);
  font: 16px/1.55 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; }
img { display: block; }
main { flex: 1; width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px 64px; }

.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 24px;
  background: rgba(5, 7, 12, .78);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 18px; letter-spacing: .2px; }
.brand b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
nav { display: flex; align-items: center; gap: 20px; font-size: 15px; }
nav a { text-decoration: none; color: var(--muted); }
nav a:hover { color: var(--text); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 12px; cursor: pointer;
  padding: 12px 20px; font: 600 15px/1 Inter, sans-serif; color: #fff !important; text-decoration: none;
  background: var(--grad);
  box-shadow: 0 8px 30px -10px rgba(30, 143, 255, .6), 0 8px 30px -14px rgba(255, 61, 31, .6);
}
.btn:hover { filter: brightness(1.1); }
.btn:disabled { opacity: .5; cursor: default; filter: none; }
.btn-small { padding: 9px 14px; font-size: 14px; }
.btn-ghost { background: transparent; border: 1px solid var(--line); box-shadow: none; color: var(--text) !important; }
.btn-ghost:hover { border-color: #33406a; }

.hero { text-align: center; padding: 88px 0 56px; }
.eyebrow { display: inline-block; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line); padding: 6px 12px; border-radius: 99px; }
.hero h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1.05; letter-spacing: -1.5px; margin: 22px auto 16px; max-width: 820px; }
.hero h1 span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); font-size: 19px; max-width: 640px; margin: 0 auto 28px; }
.hero .actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.section-title { font-size: 28px; letter-spacing: -.5px; margin: 56px 0 6px; }
.section-sub { color: var(--muted); margin: 0 0 24px; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.app-card {
  background: linear-gradient(180deg, var(--card), #0a0f1c);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; display: flex; flex-direction: column; gap: 10px;
  text-decoration: none; transition: transform .15s, border-color .15s;
}
.app-card:hover { transform: translateY(-2px); border-color: #2c3a66; }
.app-card img { width: 64px; height: 64px; }
.app-card h3 { margin: 4px 0 0; font-size: 18px; }
.app-card .tag { color: var(--muted); font-size: 14px; margin: 0; }
.chip { display: inline-block; font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 99px; padding: 2px 9px; }
.app-card .meta { margin-top: auto; display: flex; gap: 6px; flex-wrap: wrap; }

.steps { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.step { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; background: rgba(14, 20, 36, .6); }
.step b { display: inline-flex; width: 30px; height: 30px; border-radius: 50%; align-items: center; justify-content: center; background: var(--grad); margin-bottom: 10px; }
.step p { color: var(--muted); margin: 6px 0 0; font-size: 15px; }

.panel { max-width: 460px; margin: 64px auto 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.panel h1 { font-size: 26px; margin: 0 0 6px; }
.panel p { color: var(--muted); margin: 0 0 18px; }
label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 6px; }
input {
  width: 100%; padding: 13px 14px; border-radius: 12px; border: 1px solid var(--line);
  background: #070b16; color: var(--text); font: 500 17px Inter, sans-serif; margin-bottom: 14px;
}
input:focus { outline: 2px solid var(--blue); outline-offset: 1px; }
.otp { letter-spacing: 8px; text-align: center; font-size: 24px; }
.msg { font-size: 14px; border-radius: 10px; padding: 10px 12px; margin-bottom: 14px; }
.msg.err { background: rgba(255, 61, 31, .12); border: 1px solid rgba(255, 61, 31, .35); color: #ffb3a6; }
.msg.ok { background: rgba(30, 143, 255, .1); border: 1px solid rgba(30, 143, 255, .35); color: #b8dbff; }
.link-btn { background: none; border: 0; color: var(--muted); cursor: pointer; font: 14px Inter, sans-serif; text-decoration: underline; padding: 0; }

.dl-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin: 48px 0 20px; }
.dl-head h1 { margin: 0; font-size: 32px; letter-spacing: -.5px; }
.dl-head p { margin: 4px 0 0; color: var(--muted); }
.os-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 12px; padding: 3px; }
.os-switch button { background: none; border: 0; color: var(--muted); padding: 8px 14px; border-radius: 9px; cursor: pointer; font: 600 14px Inter, sans-serif; }
.os-switch button.on { background: #18213a; color: var(--text); }
.dl-row { display: flex; align-items: center; gap: 16px; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.dl-row img { width: 52px; height: 52px; flex-shrink: 0; }
.dl-row .info { flex: 1; min-width: 0; }
.dl-row h3 { margin: 0; font-size: 17px; }
.dl-row .sub { color: var(--muted); font-size: 14px; }
.dl-list { display: grid; gap: 10px; }
.note { color: var(--muted); font-size: 14px; border-left: 3px solid var(--blue); padding: 8px 14px; margin: 24px 0; background: rgba(30, 143, 255, .05); border-radius: 0 10px 10px 0; }

.prose { max-width: 760px; margin: 48px auto 0; }
.prose h1 { font-size: 34px; letter-spacing: -.5px; }
.prose h2 { font-size: 21px; margin-top: 32px; }
.prose p, .prose li { color: #c4cbdb; }
.prose table { width: 100%; border-collapse: collapse; font-size: 14px; }
.prose td, .prose th { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); }
.prose th { color: var(--muted); font-weight: 600; }

.app-hero { display: flex; gap: 24px; align-items: center; margin: 56px 0 24px; flex-wrap: wrap; }
.app-hero img { width: 112px; height: 112px; }
.app-hero h1 { margin: 0; font-size: 40px; letter-spacing: -1px; }
.app-hero p { margin: 4px 0 0; color: var(--muted); font-size: 18px; }

.foot {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 22px 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px;
}
.foot > div { display: flex; align-items: center; gap: 10px; }
.foot-links { gap: 18px !important; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--text); }

.skeleton { height: 80px; border-radius: var(--radius); background: linear-gradient(90deg, #0e1424, #151d33, #0e1424); background-size: 200% 100%; animation: sk 1.2s infinite; }
@keyframes sk { to { background-position: -200% 0; } }

@media (max-width: 640px) {
  .top { padding: 12px 16px; }
  nav { gap: 12px; }
  nav a:not(.btn) { display: none; }
  main { padding: 0 16px 48px; }
  .hero { padding: 56px 0 32px; }
  .dl-row { flex-wrap: wrap; }
  .dl-row .btn { width: 100%; }
}

.mark { border-radius: 6px; object-fit: cover; }
.hero-logo { margin: 0 auto 26px; width: 220px; height: 220px; border-radius: 28px; box-shadow: 0 30px 80px -30px rgba(30,143,255,.45), 0 30px 80px -40px rgba(255,61,31,.5); }
@media (max-width: 640px) { .hero-logo { width: 160px; height: 160px; } }
.prose-flush { margin: 0; max-width: 760px; }
.mt-28 { margin-top: 28px; }
.btn-block { width: 100%; }
.after { margin: 16px 0 0 !important; }
.small { font-size: 14px; }
.row-actions { display: flex; gap: 10px; align-items: center; }
.center { text-align: center; }