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

body {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: radial-gradient(circle at top, #14161a, #050507);
  color: #e6e6e6;
  min-height: 100vh;
}

/* HEADER */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: rgba(10,10,12,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #1f1f1f;
}

.brand {
  font-size: 18px;
}

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #3cff7a;
  border-radius: 50%;
  margin-left: 6px;
}

/* MENU */
.menu-btn {
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
}

.menu-panel {
  position: absolute;
  right: 18px;
  top: 56px;
  background: #0c0d10;
  border: 1px solid #1f1f1f;
  border-radius: 14px;
  padding: 10px;
  width: 210px;
  display: none;
}

.menu-panel.open {
  display: block;
}

.menu-panel a {
  display: block;
  padding: 8px 10px;
  text-decoration: none;
  color: #e6e6e6;
  font-size: 14px;
  border-radius: 8px;
}

.menu-panel a:hover {
  background: #16181d;
}

.divider {
  height: 1px;
  background: #1f1f1f;
  margin: 8px 0;
}

/* LAYOUT */
main {
  padding: 18px;
}

.page {
  max-width: 760px;
  margin: 0 auto;
}

.panel {
  background: rgba(15, 17, 22, 0.9);
  border: 1px solid #1f1f1f;
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
}

/* TEXT */
h1 {
  font-size: 22px;
  letter-spacing: 0.5px;
}
.lead {
  opacity: 0.7;
  margin-bottom: 16px;
}

p {
  opacity: 0.85;
  line-height: 1.6;
  margin-bottom: 12px;
}

/* LIST */
ul {
  list-style: none;
  padding-left: 0;
}

li {
  margin-bottom: 10px;
}

.green { color: #3cff7a; }
.yellow { color: #ffd166; }
.red { color: #ff5c5c; }

/* FOOTER */
footer {
  text-align: center;
  padding: 24px 0 32px;
  opacity: 0.6;
  font-size: 13px;
}

footer a {
  color: #3cff7a;
  text-decoration: none;
}
.hero-title {
  font-size: 20px;
  opacity: 0.85;
  margin-bottom: 12px;
}
@media (max-width: 480px) {
  main {
    padding: 14px;
  }

  .panel {
    padding: 16px;
  }

  p {
    font-size: 14px;
  }
}