:root {
  --bg: #070816;
  --card: rgba(255,255,255,0.08);
  --card-border: rgba(255,255,255,0.16);
  --text: #f7f7fb;
  --muted: #a6accd;
  --accent: #7c5cff;
  --accent-2: #00d4ff;
  --radius: 28px;
}

html { scroll-behavior: smooth; }

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(124,92,255,0.36), transparent 34%),
              radial-gradient(circle at 80% 10%, rgba(0,212,255,0.22), transparent 30%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

header {
  padding: 26px 0;
  position: sticky;
  top: 0;
  backdrop-filter: blur(18px);
  background: rgba(7,8,22,0.72);
  z-index: 10;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

nav { display: flex; justify-content: space-between; align-items: center; gap: 20px; }

.logo { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -0.03em; font-size: 20px; }

.logo-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 35px rgba(124,92,255,0.4);
}

.nav-links { display: flex; gap: 22px; color: var(--muted); font-size: 14px; }
.nav-links a.active { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

.hero { padding: 86px 0 52px; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
}

h1 { font-size: clamp(44px, 7vw, 78px); line-height: .96; letter-spacing: -0.07em; margin: 0 0 24px; max-width: 850px; }

.gradient-text {
  background: linear-gradient(135deg, #ffffff, #b8c0ff 48%, #70e9ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
  padding: 0 2px;
}

.lead { color: var(--muted); font-size: 20px; max-width: 720px; margin: 0 0 34px; }

.section { padding: 58px 0; }

.section-title { font-size: clamp(32px, 5vw, 54px); line-height: 1; letter-spacing: -0.05em; margin: 0 0 18px; }
.section-lead { color: var(--muted); font-size: 18px; max-width: 640px; margin: 0 0 34px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 28px 0 70px; }

.actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 22px; }

.card {
  display: block;
  background: linear-gradient(180deg, rgba(255,255,255,0.1), rgba(255,255,255,0.045));
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 20px 70px rgba(0,0,0,0.24);
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-3px); border-color: rgba(124,92,255,0.45); }

.icon { width: 54px; height: 54px; border-radius: 18px; display: grid; place-items: center; background: rgba(255,255,255,0.1); margin-bottom: 18px; font-size: 26px; }

.card h2, .card h3 { margin: 0 0 10px; font-size: 24px; letter-spacing: -0.03em; }
.card p { margin: 0 0 18px; color: var(--muted); }
.meta { color: var(--muted); font-size: 14px; }

.button {
  display: inline-flex;
  padding: 14px 20px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,0.16);
  transition: transform .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; box-shadow: 0 18px 45px rgba(124,92,255,0.32); }
.button.secondary { background: rgba(255,255,255,0.07); color: var(--text); }

.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: center; }

.phone {
  min-height: 520px;
  border-radius: 42px;
  padding: 18px;
  background: linear-gradient(145deg, rgba(255,255,255,0.22), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: 0 35px 100px rgba(0,0,0,0.42);
}
.phone-screen {
  height: 100%;
  min-height: 484px;
  border-radius: 30px;
  background: linear-gradient(180deg, #171a34, #0b0d1f);
  padding: 24px;
  overflow: hidden;
}

.app-card {
  display: block;
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
  padding: 18px;
  margin-bottom: 14px;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.app-card:hover { transform: translateY(-2px); border-color: rgba(124,92,255,0.45); background: rgba(255,255,255,0.13); }
.app-card strong { display: block; font-size: 18px; margin-bottom: 4px; }
.app-card span { color: var(--muted); font-size: 14px; }

.cta {
  text-align: center;
  padding: 70px 26px;
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(124,92,255,0.24), rgba(0,212,255,0.14));
  border: 1px solid var(--card-border);
}
.cta h2 { font-size: clamp(34px, 5vw, 60px); line-height: 1; letter-spacing: -0.06em; margin: 0 0 18px; }
.cta p { color: var(--muted); max-width: 610px; margin: 0 auto 28px; font-size: 18px; }

.content-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.1), rgba(255,255,255,0.045));
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 34px;
  margin-bottom: 70px;
}
.content-card h2 { font-size: 28px; letter-spacing: -0.04em; margin-top: 30px; }
.content-card h2:first-child { margin-top: 0; }
.content-card p, .content-card li { color: var(--muted); }

footer { padding: 42px 0; color: var(--muted); font-size: 14px; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; }
.footer-links { display: flex; gap: 18px; }

@media (max-width: 820px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 16px;
    padding: 18px 20px;
    background: rgba(7,8,22,0.96);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-links.open { display: flex; }
  .hero { padding-top: 64px; }
  .grid, .showcase { grid-template-columns: 1fr; }
  .phone { min-height: 420px; }
  .phone-screen { min-height: 384px; }
}