/* Cyberneum — Crucial-inspired theme */

:root {
  --ink: #0a0a0d;
  --ink-soft: #1c1c22;
  --paper: #ffffff;
  --panel: #f4f4f7;
  --panel-border: #e4e4ea;
  --text: #16161a;
  --text-soft: #55555f;
  --blue: #0057ff;
  --blue-dark: #0041c4;
  --purple: #7b2ff7;
  --pink: #ff2e9f;
  --radius: 14px;
  --wrap: 1180px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); text-decoration: underline; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--panel-border);
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.brand span { color: var(--blue); }

nav.main {
  display: flex;
  gap: 28px;
}

nav.main a {
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
}

nav.main a:hover { color: var(--blue); text-decoration: none; }

nav.main a.active { color: var(--blue); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(120% 140% at 15% 0%, #1a1440 0%, var(--ink) 55%), var(--ink);
  color: #fff;
  padding: 88px 24px 96px;
  text-align: left;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 80% at 85% 20%, rgba(123, 47, 247, 0.55), transparent 60%),
    radial-gradient(50% 70% at 60% 90%, rgba(255, 46, 159, 0.35), transparent 60%),
    radial-gradient(45% 60% at 10% 60%, rgba(0, 87, 255, 0.45), transparent 60%);
  filter: blur(10px);
  pointer-events: none;
}

.hero > * {
  position: relative;
  max-width: var(--wrap);
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 780px;
}

.hero .lead {
  font-size: 18px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
  max-width: 640px;
  margin: 0 0 28px;
}

.hero .asof {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  backdrop-filter: blur(6px);
}

/* ---------- Disclosure bar ---------- */

.disclosure {
  background: var(--panel);
  border-bottom: 1px solid var(--panel-border);
  color: var(--text-soft);
  font-size: 13.5px;
  padding: 14px 24px;
  text-align: center;
}

.disclosure a { font-weight: 600; }

/* ---------- Main content ---------- */

main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

main > h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 64px 0 20px;
  color: var(--ink);
}

main > h2:first-of-type { margin-top: 56px; }
main > *:first-child { margin-top: 56px; }

main > p {
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--text-soft);
  max-width: 760px;
}

/* ---------- Table (capacity guide) ---------- */

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

table th,
table td {
  text-align: left;
  padding: 16px 20px;
  font-size: 15px;
}

table th {
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

table td { border-top: 1px solid var(--panel-border); color: var(--text); }
table td:last-child { font-weight: 700; color: var(--blue-dark); white-space: nowrap; }
table tr:nth-child(even) td { background: #fafafc; }

/* ---------- Plain lists ---------- */

main > ul {
  margin: 0 0 24px;
  padding: 0 0 0 4px;
  max-width: 760px;
  list-style: none;
}

main > ul li {
  position: relative;
  padding: 0 0 12px 22px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-soft);
}

main > ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
}

main > ul.source-list li {
  font-size: 14.5px;
  padding-left: 0;
}

main > ul.source-list li::before { content: none; }

/* ---------- Warning card grid (What to avoid, etc.) ---------- */

.warning-grid {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: none;
}

.warning-grid li {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 22px 22px 24px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-soft);
  position: relative;
  padding-top: 40px;
}

.warning-grid li::before {
  content: "!";
  position: absolute;
  top: 20px;
  left: 22px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.warning-grid li strong {
  display: block;
  color: var(--ink);
  font-size: 15.5px;
  margin-bottom: 6px;
}

/* ---------- Homepage feature cards ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: 0 12px 28px rgba(10, 10, 13, 0.08);
  transform: translateY(-2px);
}

.card h3 {
  font-size: 19px;
  font-weight: 800;
  margin: 0 0 10px;
  color: var(--ink);
}

.card p {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-soft);
  margin: 0 0 18px;
  flex-grow: 1;
}

.card .go {
  font-weight: 700;
  font-size: 14.5px;
  color: var(--blue);
}

/* ---------- Our picks ---------- */

.pick {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
  display: grid;
  gap: 6px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.pick:hover {
  box-shadow: 0 12px 28px rgba(10, 10, 13, 0.08);
  transform: translateY(-2px);
}

.badge {
  display: inline-flex;
  align-self: start;
  justify-self: start;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 6px;
}

.pick h3 {
  font-size: 22px;
  font-weight: 800;
  margin: 0;
  color: var(--ink);
}

.pick .specs {
  font-size: 14px;
  color: var(--blue-dark);
  font-weight: 600;
  margin: 2px 0 0;
}

.pick .pick-example {
  font-size: 14.5px;
  color: var(--text-soft);
  margin: 0 0 12px;
}

.pick p:not(.specs):not(.pick-example) {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-soft);
  margin: 6px 0 4px;
}

.btn {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff !important;
  font-weight: 700;
  font-size: 14.5px;
  text-decoration: none !important;
  box-shadow: 0 6px 16px rgba(0, 87, 255, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(0, 87, 255, 0.35);
}

/* ---------- CTA banner ---------- */

.cta-banner {
  margin: 64px 0;
  border-radius: 20px;
  background: linear-gradient(120deg, var(--blue) 0%, var(--purple) 60%, var(--pink) 100%);
  color: #fff;
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-banner h3 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 800;
}

.cta-banner p {
  margin: 0;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
}

.cta-banner .btn-white {
  background: #fff;
  color: var(--blue-dark) !important;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14.5px;
  white-space: nowrap;
  box-shadow: none;
}

/* back link */

main > p:last-of-type {
  margin: 48px 0 72px;
}

main > p:last-of-type a {
  font-weight: 700;
}

/* ---------- Footer ---------- */

footer.site {
  background: var(--panel);
  border-top: 1px solid var(--panel-border);
  padding: 32px 0;
  margin-top: 40px;
}

footer.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

footer.site a {
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 600;
  margin-right: 24px;
}

footer.site a:hover { color: var(--blue); }

footer.site div:last-child {
  color: var(--text-soft);
  font-size: 13.5px;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  nav.main { display: none; }
  .warning-grid { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .hero { padding: 56px 20px 64px; }
  .cta-banner { padding: 28px; }
}