:root {
  --bg: #07080b;
  --surface: #12151c;
  --text: #f3f5f8;
  --muted: #a7b0c0;
  --platinum: #d7dde8;
  --platinum-bright: #ffffff;
  --accent: #9ec5ff;
  --hot: #ff4d6d;
  --hot-2: #ffb347;
  --line: #2a3140;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(158,197,255,0.18), transparent 55%),
    radial-gradient(700px 420px at 100% 20%, rgba(255,77,109,0.12), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.2rem 3rem;
}

header {
  text-align: center;
  padding: 2.2rem 0 2rem;
  border-bottom: 1px solid var(--line);
}

.badge {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(158,197,255,0.35);
  background: rgba(158,197,255,0.1);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(145deg, #ffffff, #9aa7ba 40%, #e8edf4 70%, #6f7b8d);
  color: #0d1016;
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
  box-shadow: 0 0 0 6px rgba(215,221,232,0.08), 0 12px 36px rgba(0,0,0,0.45);
}

h1 {
  font-size: clamp(3rem, 12vw, 4.4rem);
  letter-spacing: 0.06em;
  font-weight: 900;
  color: var(--platinum-bright);
  line-height: 1;
  text-shadow: 0 0 40px rgba(215,221,232,0.25);
}

.expand {
  margin-top: 0.55rem;
  color: var(--platinum);
  font-size: clamp(1.05rem, 3.5vw, 1.35rem);
  font-weight: 800;
}

.tagline {
  margin-top: 1rem;
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 700;
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

.sub {
  margin-top: 0.55rem;
  color: var(--muted);
  max-width: 30rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

section {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}

h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.85rem;
  font-weight: 800;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent), var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.15rem 1.25rem;
}

.card p {
  color: var(--muted);
  font-size: 1.05rem;
}

.card strong { color: var(--platinum-bright); }

.big-line {
  margin-top: 0.85rem;
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--platinum-bright);
  letter-spacing: -0.01em;
}

ul {
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.05rem;
  color: var(--muted);
}

li strong {
  display: block;
  color: var(--platinum-bright);
  margin-bottom: 0.2rem;
  font-weight: 800;
  font-size: 1.02rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.35rem;
}

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 0.85rem 1.25rem;
  font-weight: 800;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn.primary {
  background: linear-gradient(90deg, var(--hot), var(--hot-2));
  color: #12080a;
  border-color: transparent;
  box-shadow: 0 10px 30px rgba(255,77,109,0.28);
}

.btn.ghost {
  border-color: rgba(158,197,255,0.4);
  color: var(--accent);
}

.ca {
  margin-top: 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
  color: var(--muted);
  word-break: break-all;
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 0.85rem 1rem;
}

.socials {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 0.95rem;
}

.socials a {
  color: var(--platinum);
  text-decoration: none;
  font-weight: 700;
  border-bottom: 1px solid transparent;
}

.socials a:hover { border-bottom-color: var(--platinum); }

.socials a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.hype {
  margin-top: 1.25rem;
  margin-bottom: 0.25rem;
  text-align: center;
  font-size: clamp(1.35rem, 4.5vw, 1.85rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--hot-2);
  text-shadow: 0 0 28px rgba(255, 179, 71, 0.35);
}

.why-lg h2 {
  font-size: 1rem;
  letter-spacing: 0.16em;
  margin-bottom: 1.1rem;
}

.why-lg li {
  padding: 1.2rem 1.2rem;
  font-size: 1.15rem;
  line-height: 1.45;
}

.why-lg li strong {
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
}

footer {
  margin-top: 1.5rem;
  text-align: center;
  color: #667084;
  font-size: 0.8rem;
}