/* Shared styles for Carina vertical / use-case landing pages */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #09161e;
  --teal: #1a5f7a;
  --teal-light: #3498c0;
  --amber: #f5a623;
  --white: #ffffff;
  --silver: #7a9daf;
  --border: rgba(26, 95, 122, 0.18);
  --border-dim: rgba(26, 95, 122, 0.09);
  --ff-serif: 'Cormorant Garamond', Georgia, serif;
  --ff-sans: 'Instrument Sans', system-ui, sans-serif;
  --r: 6px;
  --r-md: 10px;
}

body {
  font-family: var(--ff-sans);
  background: var(--ink);
  color: var(--white);
  line-height: 1.65;
  font-weight: 300;
}

.container { max-width: 760px; margin: 0 auto; padding: 0 2rem; }

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: 64px;
  background: rgba(9, 22, 30, 0.92);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-dim);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  font-family: var(--ff-serif);
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--white);
  text-decoration: none;
}

.nav-logo .dot { color: var(--amber); }

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.nav-links a {
  color: var(--silver);
  font-size: 0.875rem;
  text-decoration: none;
}

.nav-links a:hover { color: var(--white); }

.nav-cta {
  background: var(--amber);
  color: var(--ink);
  padding: 0.45rem 1rem;
  border-radius: var(--r);
  font-weight: 500;
  text-decoration: none;
  font-size: 0.875rem;
}

main { padding: 7rem 0 4rem; }

.eyebrow {
  color: var(--amber);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

h1 {
  font-family: var(--ff-serif);
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 500;
  line-height: 1.12;
  margin-bottom: 1rem;
}

.lead {
  color: var(--silver);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 38rem;
}

.meta-block {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.15rem 1.25rem;
  margin-bottom: 1rem;
  background: rgba(13, 31, 45, 0.45);
}

.meta-block h2 {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-light);
  font-weight: 500;
  margin-bottom: 0.45rem;
}

.meta-block p,
.meta-block ul {
  color: var(--silver);
  font-size: 0.92rem;
}

.meta-block ul {
  margin: 0.35rem 0 0 1.1rem;
}

.meta-block li { margin-bottom: 0.3rem; }

.meta-block code {
  font-size: 0.82rem;
  color: var(--amber);
}

.workflow {
  margin: 2rem 0;
  border: 1px solid rgba(245, 166, 35, 0.25);
  border-radius: var(--r-md);
  background: rgba(245, 166, 35, 0.05);
  padding: 1.25rem 1.35rem;
}

.workflow h2 {
  font-family: var(--ff-serif);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.workflow ol {
  margin-left: 1.2rem;
  color: var(--silver);
  font-size: 0.9rem;
}

.workflow li { margin-bottom: 0.45rem; }

.workflow .prompt {
  margin-top: 0.85rem;
  padding: 0.75rem 1rem;
  background: rgba(9, 22, 30, 0.7);
  border-radius: var(--r);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.82rem;
  color: var(--white);
  border: 1px solid var(--border);
}

.note {
  font-size: 0.82rem;
  color: var(--silver);
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-dim);
}

.note a { color: var(--amber); }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--r-md);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
}

.btn-primary { background: var(--teal); color: var(--white); border: 1px solid var(--teal-light); }
.btn-secondary { background: transparent; color: var(--silver); border: 1px solid var(--border); }
.btn-secondary:hover { color: var(--white); }

footer {
  border-top: 1px solid var(--border-dim);
  padding: 2rem;
  text-align: center;
  color: var(--silver);
  font-size: 0.8rem;
}

footer a { color: var(--silver); margin: 0 0.4rem; }

/* Use-cases hub */
.hub-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
}

@media (min-width: 600px) {
  .hub-grid { grid-template-columns: 1fr 1fr; }
}

.hub-card {
  display: block;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.15rem 1.25rem;
  text-decoration: none;
  color: inherit;
  background: rgba(13, 31, 45, 0.45);
  transition: border-color 0.2s;
}

.hub-card:hover { border-color: rgba(245, 166, 35, 0.4); }

.hub-card h2 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.hub-card h2 i { color: var(--teal-light); }

.hub-card p { color: var(--silver); font-size: 0.88rem; }

.site-footer {
  border-top: 1px solid var(--border-dim);
  padding: 2.5rem 0 2rem;
  margin-top: 2rem;
}

.site-footer .footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.site-footer .footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
  align-items: center;
}

.site-footer .footer-links a {
  color: var(--silver);
  font-size: 0.875rem;
  text-decoration: none;
}

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

.site-footer .footer-copy {
  color: var(--silver);
  font-size: 0.8rem;
}

.site-footer .footer-copy a {
  color: inherit;
  text-decoration: none;
}

@media (max-width: 720px) {
  .nav-links { gap: 0.65rem; }
  .nav-links a:not(.nav-cta) { font-size: 0.8rem; }
}