:root {
  --bg: #0b0d10;
  --surface: rgba(13, 16, 20, 0.76);
  --surface-solid: #10151b;
  --text: rgba(255, 255, 255, 0.94);
  --muted: rgba(255, 255, 255, 0.7);
  --line: rgba(255, 255, 255, 0.16);
  --accent: #78c2ff;
  --accent2: #7cffc9;
  --max: 1120px;
  --pad: clamp(18px, 3.2vw, 34px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 8% -5%, rgba(120, 194, 255, 0.17), transparent 60%),
    radial-gradient(900px 800px at 94% 0%, rgba(124, 255, 201, 0.12), transparent 58%),
    radial-gradient(800px 600px at 45% 105%, rgba(255, 255, 255, 0.06), transparent 55%),
    var(--bg);
  line-height: 1.58;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(var(--max), calc(100% - (var(--pad) * 2)));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(11, 13, 16, 0.6);
  border-bottom: 1px solid var(--line);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  font-weight: 700;
  font-size: 0.92rem;
}

.brandMark {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(0, 0, 0, 0.35);
}

.brandMark svg {
  width: 22px;
  height: 22px;
}

.navLinks {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.navLinks a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.93rem;
}

.navLinks a:hover {
  color: var(--text);
}

.btn {
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 10px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #04131f;
}

.btn.ghost {
  border-color: var(--line);
  background: rgba(255,255,255,0.02);
}

main {
  padding: 42px 0 64px;
}

.hero {
  padding: 18px 0 34px;
}

.eyebrow {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 8px;
}

h1 {
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  margin: 0 0 14px;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.lead {
  color: var(--muted);
  max-width: none;
  margin: 0;
}

.section {
  padding: 26px 0;
}

h2 {
  margin: 0 0 10px;
  font-size: clamp(1.35rem, 3.3vw, 2rem);
}

.grid {
  display: grid;
  gap: 12px;
}

.grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 18px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.insight-card {
  display: grid;
  gap: 10px;
}

.insight-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.insight-link {
  display: inline-flex;
  width: fit-content;
  margin-top: 4px;
  color: var(--accent2);
  font-weight: 700;
}

.insight-link:hover {
  color: var(--accent);
}

.insights-status {
  margin-top: 16px;
}

.list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.list li + li {
  margin-top: 8px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.table th,
.table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.09);
}

.table th {
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.table tr:last-child td {
  border-bottom: 0;
}

form {
  display: grid;
  gap: 12px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

label {
  font-size: 0.9rem;
  display: grid;
  gap: 7px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  padding: 11px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(0,0,0,0.2);
  color: var(--text);
  font: inherit;
}

textarea {
  min-height: 130px;
  resize: vertical;
}

.error {
  min-height: 1em;
  color: #ff9ba4;
  font-size: 0.82rem;
}

.status {
  min-height: 1.2em;
  font-size: 0.9rem;
  font-weight: 700;
}

.status.ok { color: #8ef3bc; }
.status.bad { color: #ff9ba4; }

footer {
  border-top: 1px solid var(--line);
  padding: 20px 0 28px;
  color: var(--muted);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .navLinks {
    gap: 10px;
    max-width: 62vw;
  }

  .navLinks a {
    font-size: 0.82rem;
  }

  .grid.cols-3,
  .grid.cols-2,
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Homepage-specific presentation */
.home-main {
  min-height: calc(100vh - 72px);
  display: grid;
  place-items: center;
  padding: 24px var(--pad);
}

.center {
  max-width: 72ch;
  text-align: center;
}

.center h1 {
  margin: 0;
  font-size: clamp(28px, 4.6vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.tag {
  margin-top: 12px;
  font-size: clamp(14px, 1.7vw, 18px);
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tag .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 6px rgba(120, 194, 255, 0.12);
  vertical-align: middle;
  margin: 0 10px;
  transform: translateY(-1px);
}