:root {
  --bg: #08111f;
  --bg-soft: #0e1a2d;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --text: #f8fbff;
  --muted: #aab7c9;
  --line: rgba(255, 255, 255, 0.14);
  --cyan: #20d6f4;
  --blue: #2f6df6;
  --green: #51f2b3;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(32, 214, 244, 0.24), transparent 34%),
    radial-gradient(circle at 80% 4%, rgba(47, 109, 246, 0.28), transparent 32%),
    linear-gradient(135deg, #050b14 0%, var(--bg) 45%, #0b1528 100%);
  line-height: 1.5;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(8, 17, 31, 0.78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand img { width: 190px; max-width: 44vw; display: block; }
nav { display: flex; align-items: center; gap: 22px; color: var(--muted); font-weight: 700; font-size: 0.94rem; }
nav a:hover { color: var(--text); }
.nav-cta { color: var(--text); padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.15fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: clamp(56px, 8vw, 108px) clamp(20px, 5vw, 72px) 48px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-weight: 900;
}

h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2.55rem, 5.6vw, 5.8rem); line-height: 0.95; letter-spacing: -0.07em; margin-bottom: 24px; }
h2 { font-size: clamp(2rem, 3.6vw, 3.6rem); line-height: 1; letter-spacing: -0.055em; margin-bottom: 0; }
h3 { font-size: 1.08rem; margin-bottom: 10px; letter-spacing: -0.025em; }
.lead { color: #d7e0ed; font-size: clamp(1.05rem, 1.55vw, 1.32rem); max-width: 740px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 26px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 14px; font-weight: 900; }
.button.primary { background: linear-gradient(135deg, var(--cyan), var(--blue)); color: white; box-shadow: 0 12px 34px rgba(32, 214, 244, 0.26); }
.button.secondary { border: 1px solid var(--line); color: var(--text); background: rgba(255,255,255,0.05); }

.proof-strip { display: flex; flex-wrap: wrap; gap: 10px; }
.proof-strip span { padding: 9px 12px; border-radius: 999px; background: rgba(255,255,255,0.08); border: 1px solid var(--line); color: #dbe6f5; font-size: 0.88rem; font-weight: 800; }

.hero-visual { position: relative; }
.hero-visual:before { content: ""; position: absolute; inset: -18px; border-radius: 30px; background: linear-gradient(135deg, rgba(32,214,244,0.42), rgba(47,109,246,0.08)); filter: blur(8px); opacity: 0.8; }
.hero-visual img { position: relative; width: 100%; display: block; border-radius: 22px; border: 1px solid rgba(255,255,255,0.2); box-shadow: var(--shadow); }

.section { padding: 36px clamp(20px, 5vw, 72px); }
.two-column { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1.15fr); gap: 30px; align-items: stretch; }
.rich-card, .feature-card, .security-panel, .cta-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 18px 60px rgba(0,0,0,0.16);
}
.rich-card { padding: 30px; color: #d9e3f1; font-size: 1.12rem; }
.rich-card p:last-child { margin-bottom: 0; }

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feature-card { padding: 24px; min-height: 210px; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.feature-card:hover { transform: translateY(-4px); border-color: rgba(32,214,244,0.5); background: var(--panel-strong); }
.feature-card.spotlight { background: linear-gradient(145deg, rgba(32,214,244,0.16), rgba(47,109,246,0.13)); border-color: rgba(32,214,244,0.32); }
.feature-card p { color: var(--muted); margin-bottom: 0; }
.icon { display: inline-flex; margin-bottom: 24px; color: var(--cyan); font-weight: 950; letter-spacing: -0.06em; }

.security-panel { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(300px, 1fr); gap: 24px; align-items: center; padding: 34px; background: linear-gradient(135deg, rgba(255,255,255,0.09), rgba(32,214,244,0.08)); }
.security-panel p:last-child { color: #d9e3f1; font-size: 1.12rem; margin-bottom: 0; }

.cta-panel { text-align: center; padding: clamp(36px, 7vw, 74px) 24px; background: linear-gradient(135deg, rgba(47,109,246,0.22), rgba(32,214,244,0.12)); }
.cta-panel h2 { margin-bottom: 16px; }
.cta-panel p:not(.eyebrow) { max-width: 760px; margin: 0 auto 26px; color: #d9e3f1; }

footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 28px clamp(20px, 5vw, 72px); color: var(--muted); border-top: 1px solid var(--line); }
footer img { width: 150px; }
footer p { margin: 0; }

@media (max-width: 980px) {
  nav a:not(.nav-cta) { display: none; }
  .hero, .two-column, .security-panel { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .site-header { align-items: flex-start; }
  .brand img { width: 155px; }
  .hero { padding-top: 42px; }
  .hero-actions .button { width: 100%; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  footer { flex-direction: column; align-items: flex-start; }
}