:root {
  color-scheme: dark;
  --ink: #f5fbff;
  --muted: #a9bbc8;
  --panel: rgba(11, 30, 41, 0.82);
  --line: rgba(151, 224, 255, 0.18);
  --cyan: #63e6ff;
  --green: #8af5ad;
  --orange: #ffb86b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 4%, rgba(30, 176, 210, 0.22), transparent 28rem),
    radial-gradient(circle at 95% 92%, rgba(87, 217, 126, 0.12), transparent 32rem),
    #061017;
  font-family: ui-rounded, "SF Pro Rounded", "Avenir Next", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a { color: var(--cyan); }
a:hover { color: #b8f4ff; }
a:focus-visible, .button:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 4px;
}

.shell {
  width: min(70rem, calc(100% - 2rem));
  margin-inline: auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.plug {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid rgba(99, 230, 255, 0.45);
  border-radius: 0.65rem;
  color: #041017;
  background: linear-gradient(145deg, var(--cyan), var(--green));
  box-shadow: 0 0 24px rgba(99, 230, 255, 0.2);
}

nav { display: flex; gap: 1rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"], nav a:hover { color: var(--ink); }

main { padding-block: clamp(2.5rem, 7vw, 6rem); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(17rem, 0.65fr);
  align-items: center;
  gap: clamp(2rem, 7vw, 6rem);
  min-height: 65vh;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2 { line-height: 1.08; letter-spacing: -0.045em; }
h1 { max-width: 12ch; margin: 0; font-size: clamp(3.2rem, 9vw, 6.8rem); }
h2 { margin: 0 0 1rem; font-size: clamp(2rem, 5vw, 3.4rem); }
h3 { margin: 0; font-size: 1.1rem; }

.lede {
  max-width: 42rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.3rem);
}

.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  color: var(--ink);
  background: var(--panel);
  font-weight: 750;
  text-decoration: none;
}
.button.primary { border-color: transparent; color: #031116; background: linear-gradient(135deg, var(--cyan), var(--green)); }

.meter-card, .content-card {
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.meter-card { padding: 1.5rem; transform: rotate(2deg); }
.meter-label { display: flex; justify-content: space-between; color: var(--muted); font-weight: 700; }
.meter {
  height: 1rem;
  margin: 0.8rem 0 1.6rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #08151d;
}
.meter span { display: block; width: 68%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--green), var(--cyan)); }
.status-list { display: grid; gap: 0.75rem; }
.status-row { display: flex; justify-content: space-between; gap: 1rem; padding-top: 0.75rem; border-top: 1px solid var(--line); color: var(--muted); }
.status-row strong { color: var(--ink); }

.content { max-width: 50rem; }
.content h1 { max-width: none; font-size: clamp(2.7rem, 7vw, 5rem); }
.content-card { margin-top: 2rem; padding: clamp(1.25rem, 4vw, 2.5rem); }
.content-card section + section { margin-top: 2.2rem; padding-top: 2.2rem; border-top: 1px solid var(--line); }
.content-card p, .content-card li { color: var(--muted); }
.content-card strong { color: var(--ink); }
.content-card ul { padding-left: 1.25rem; }
.note { padding: 1rem 1.1rem; border-left: 3px solid var(--green); background: rgba(138, 245, 173, 0.07); }

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  header, footer { align-items: flex-start; }
  header { flex-direction: column; }
  nav { width: 100%; justify-content: space-between; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .meter-card { transform: none; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}