/* Cortexia Lab — static site for Northwest free hosting */

:root {
  --bg: #0f1210;
  --bg-elevated: #171b18;
  --bg-soft: #1e2420;
  --border: #2a322c;
  --text: #e8ebe6;
  --text-muted: #9aa398;
  --accent: #7a9e7e;
  --accent-strong: #8fb394;
  --accent-dim: rgba(122, 158, 126, 0.14);
  --radius: 10px;
  --max: 720px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

header.site-header {
  padding: 1.5rem 0 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  color: var(--accent-strong);
}

.logo .mark {
  color: var(--accent);
}

nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-left: 1.1rem;
}

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

.hero {
  padding: 3.25rem 0 2.5rem;
}

.hero .eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(122, 158, 126, 0.25);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(1.85rem, 4.5vw, 2.45rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin: 0 0 1rem;
}

.hero .lede {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 38rem;
  margin: 0 0 1.75rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #0c100d;
  font-weight: 650;
  font-size: 0.95rem;
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius);
  border: none;
  text-decoration: none;
  transition: background 0.15s ease;
}

.btn:hover {
  background: var(--accent-strong);
  text-decoration: none;
  color: #0c100d;
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-muted);
  background: transparent;
}

section {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}

section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

section .section-intro {
  color: var(--text-muted);
  margin: 0 0 1.75rem;
  max-width: 36rem;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.step {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem 1rem;
  align-items: start;
}

.step-num {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 650;
}

.step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.step .price {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.01em;
}

.cards {
  display: grid;
  gap: 1rem;
}

@media (min-width: 560px) {
  .cards {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.4rem;
  text-align: center;
}

.contact-box > p {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
}

.contact-box .email {
  font-size: 1.2rem;
  font-weight: 650;
  color: var(--accent-strong);
  word-break: break-all;
}

.contact-box .email:hover {
  color: var(--text);
}

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.75rem 0 2.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

footer .footer-brand {
  color: var(--text);
  font-weight: 600;
}

footer .sibling-note {
  margin-top: 0.65rem;
  font-size: 0.78rem;
  opacity: 0.8;
}

@media (max-width: 520px) {
  nav {
    display: none;
  }
}