:root {
  --green: #00ff9c;
  --cyan: #00d9ff;
  --text: #f3fff9;
  --muted: #a8b9b4;
  --glass: rgba(4, 18, 20, .72);
  --border: rgba(0, 255, 156, .22);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #020607;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  overflow-x: hidden;
}

#matrix {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, #071d1b 0%, #020607 60%);
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,.035) 0px,
    rgba(255,255,255,.035) 1px,
    transparent 1px,
    transparent 5px
  );
  opacity: .25;
}

header, main, footer {
  position: relative;
  z-index: 2;
}

.hero {
  width: min(1180px, calc(100% - 28px));
  margin: auto;
  padding: 22px 0 18px;
}

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

.logo {
  font-size: 25px;
  font-weight: 900;
  letter-spacing: -1px;
}

.logo span {
  color: var(--green);
  text-shadow: 0 0 18px var(--green);
}

.whatsapp {
  background: var(--green);
  color: #00110a;
  padding: 11px 16px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 900;
}

.hero-box {
  margin-top: 54px;
  padding: 38px;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(0,255,156,.13), rgba(0,217,255,.08)), var(--glass);
  border: 1px solid var(--border);
  box-shadow: 0 0 80px rgba(0,255,156,.12), inset 0 0 45px rgba(0,255,156,.04);
  backdrop-filter: blur(12px);
}

.tag {
  display: inline-block;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--green);
  background: rgba(0,255,156,.08);
  font-weight: 800;
  font-size: 14px;
}

h1 {
  margin: 18px 0;
  font-size: clamp(42px, 7vw, 82px);
  line-height: .92;
  letter-spacing: -3px;
  text-shadow: 0 0 30px rgba(0,255,156,.22);
}

h1 span {
  color: #c8fff0;
}

.hero-box p {
  max-width: 850px;
  font-size: 20px;
  color: var(--muted);
  line-height: 1.55;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  padding: 14px 20px;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 900;
}

.primary {
  background: linear-gradient(135deg, var(--green), #8dffd4);
  color: #00110a;
}

.secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255,255,255,.06);
}

main {
  width: min(1180px, calc(100% - 28px));
  margin: auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.card, .terminal, .notice {
  border-radius: 26px;
  background: var(--glass);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 60px rgba(0,0,0,.35);
}

.card {
  padding: 24px;
  min-height: 205px;
}

.card.big {
  background: linear-gradient(135deg, rgba(0,255,156,.16), rgba(0,217,255,.10)), var(--glass);
}

.card h2, .notice h2 {
  margin: 0 0 12px;
  font-size: 25px;
}

.card p, .notice p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.terminal {
  margin-top: 14px;
  padding: 22px;
  color: #b7ffd8;
  font-family: Consolas, monospace;
}

.dots {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.dots span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 14px var(--green);
}

pre {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.6;
  font-size: 16px;
}

.notice {
  margin-top: 14px;
  padding: 28px;
  text-align: center;
}

footer {
  text-align: center;
  padding: 28px 18px 42px;
  color: var(--muted);
}

footer a {
  color: var(--green);
  font-weight: 900;
  text-decoration: none;
}

@media (max-width: 850px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .hero-box {
    padding: 25px;
    margin-top: 35px;
  }

  h1 {
    letter-spacing: -2px;
  }
}