/* DreamZero-SO101 — layout (nav, container, footer, grid) */

/* ====== Sticky top nav ====== */
.topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topnav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 40px;
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.topnav-brand {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
  letter-spacing: -0.01em;
  border: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
.topnav-brand .brand-logo {
  height: 34px;
  width: 34px;
  border-radius: 6px;
  display: block;
}
.topnav-brand .brand-text {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
}
.topnav-brand:hover { border: none; }
.topnav-brand:hover .brand-text { color: var(--accent); }

.topnav-links {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  flex: 1;
  justify-content: center;
}
.topnav-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  padding: 8px 14px;
  border-radius: 4px;
  border: none;
  transition: color .15s, background .15s;
}
.topnav-links a:hover {
  color: var(--ink);
  background: var(--panel);
  border: none;
}
.topnav-links a.active {
  color: var(--accent);
  background: var(--panel);
}
.topnav-ext {
  display: flex;
  gap: 10px;
  align-items: center;
}
.topnav-ext a {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: all .15s;
}
.topnav-ext a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ====== Container ====== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 60px 40px 100px;
}
.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 60px 32px 100px;
}

/* ====== Hero ====== */
.hero {
  padding: 30px 0 24px;
}
.hero h1 {
  font-size: 58px;
  line-height: 1.02;
  margin-bottom: 18px;
  max-width: 980px;
}
.hero h1 .accent { color: var(--accent); }
.hero .lead {
  color: var(--ink-dim);
  font-size: 19px;
  line-height: 1.55;
  max-width: 780px;
  margin-bottom: 28px;
}

/* ====== Footer ====== */
footer.site-footer {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 40px 50px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}
footer.site-footer h5 {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  margin: 0 0 12px;
  font-weight: 600;
}
footer.site-footer a {
  display: block;
  font-size: 13px;
  color: var(--ink-dim);
  padding: 3px 0;
  border: none;
}
footer.site-footer a:hover { color: var(--accent); }
footer.site-footer .footer-logo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
footer.site-footer .footer-logo {
  height: 40px;
  width: 40px;
  border-radius: 6px;
  display: block;
}
footer.site-footer .footer-logo-row h5 {
  font-family: var(--font-serif);
  font-size: 16px;
  text-transform: none;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
  font-weight: 600;
}
footer.site-footer .brand-block p {
  font-size: 13px;
  line-height: 1.55;
  max-width: 380px;
  margin: 0 0 10px;
}
footer.site-footer .meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.05em;
  margin-top: 14px;
}

/* ====== Responsive ====== */
@media (max-width: 960px) {
  .container { padding: 40px 22px 80px; }
  .topnav-inner { padding: 12px 22px; gap: 16px; }
  .topnav-links { order: 3; flex-basis: 100%; justify-content: flex-start; margin-top: 8px; }
  .hero h1 { font-size: 40px; }
  .hero .lead { font-size: 17px; }
  h1 { font-size: 40px; }
  h2 { font-size: 26px; }
  footer.site-footer { grid-template-columns: 1fr; gap: 24px; padding: 30px 22px 40px; }
}