:root {
  color-scheme: dark;
  --background: #07110f;
  --surface: #0d1c19;
  --surface-raised: #132722;
  --border: #29463e;
  --text: #eef8f4;
  --muted: #a9c0b8;
  --accent: #65e2ac;
  --accent-strong: #26bd7c;
  --warning: #ffd37a;
  --danger: #ff9b9b;
  --shadow: 0 24px 70px rgb(0 0 0 / 32%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 5%, rgb(30 107 80 / 25%), transparent 32rem),
    var(--background);
  color: var(--text);
}

a { color: var(--accent); }
a:hover { color: #a2ffd4; }

img {
  display: block;
  max-width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  width: min(1180px, calc(100% - 2rem));
  min-height: 78vh;
  margin: 0 auto;
  padding: 5rem 0 3rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.5rem, 10vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.eyebrow {
  margin: 0 0 0.65rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lede {
  max-width: 38rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.hero-image { filter: drop-shadow(var(--shadow)); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.72rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  background: var(--surface-raised);
  color: var(--text);
  font: inherit;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
}

.button:hover,
button:hover { border-color: var(--accent); color: var(--text); }

.button.primary,
button.primary {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  color: #03100b;
}

.button.secondary { background: transparent; }

button:disabled {
  cursor: wait;
  opacity: 0.55;
}

main {
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
}

section {
  margin: 2rem 0;
  padding: clamp(1.25rem, 4vw, 2.7rem);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: linear-gradient(145deg, rgb(19 39 34 / 92%), rgb(11 26 22 / 92%));
  box-shadow: 0 12px 40px rgb(0 0 0 / 14%);
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.55rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
}

h3 { margin: 1.8rem 0 0.5rem; line-height: 1.25; }
p, ul, ol { color: var(--muted); }
li + li { margin-top: 0.4rem; }
strong, code { color: var(--text); }

code {
  padding: 0.12em 0.38em;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  background: #071310;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature-grid article {
  padding: 1.1rem;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  background: rgb(6 18 14 / 45%);
}

.feature-grid h3 { margin-top: 0; }

.warning { border-color: #6d5930; background: linear-gradient(145deg, #292315, #17170f); }
.warning h2 { color: var(--warning); }
.disclaimer { border-color: #513636; }

.installer {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border: 1px solid #3f715f;
  border-radius: 1rem;
  background: #081813;
}

.installer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
}

.field { display: grid; gap: 0.38rem; }
.field label { font-weight: 750; }

select {
  width: 100%;
  min-height: 2.8rem;
  padding: 0.65rem;
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.checkbox {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  margin: 1rem 0;
}

.checkbox input { margin-top: 0.35rem; accent-color: var(--accent-strong); }

.installer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
}

.status-line { margin: 1rem 0 0; color: var(--text); }
.status-line.error, .error-message { color: var(--danger); }
.status-line.success { color: var(--accent); }

progress {
  width: 100%;
  height: 0.75rem;
  margin-top: 0.8rem;
  accent-color: var(--accent-strong);
}

.installer-log {
  width: 100%;
  min-height: 8rem;
  max-height: 14rem;
  margin-top: 1rem;
  padding: 0.75rem;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  background: #020806;
  color: #b9d5cb;
  font: 0.78rem/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
}

.install-notes { margin-top: 1.5rem; }
.wide-image { margin: 1.2rem auto 0; border-radius: 0.75rem; }
.caption, figcaption { margin-top: 0.55rem; color: var(--muted); font-size: 0.9rem; }

.image-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: start;
  margin-top: 1.2rem;
}

figure { margin: 0; }
figure img { border-radius: 0.75rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; color: var(--muted); }
th, td { padding: 0.7rem; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--text); }

footer {
  width: min(920px, calc(100% - 2rem));
  margin: 3rem auto 0;
  padding: 2rem 0 4rem;
  text-align: center;
}

.not-found { padding-top: 20vh; text-align: center; }

@media (max-width: 780px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 3rem; }
  .hero-image { order: -1; }
  .feature-grid, .image-pair, .installer-grid { grid-template-columns: 1fr; }
  section { border-radius: 0.9rem; }
}

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