/* Layout / header / footer */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 20px; } }

section { padding: 48px 0; }
@media (min-width: 768px) { section { padding: 80px 0; } }
section + section { padding-top: 32px; }
@media (min-width: 768px) { section + section { padding-top: 80px; } }

/* Header sticky */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base), background var(--t-base);
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  border-bottom-color: var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 16px;
}
@media (max-width: 768px) { .header-inner { height: var(--header-h-mobile); } }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--accent);
  display: grid; place-items: center;
  color: #FAF5EB;
  font-family: var(--ff-display);
  font-size: 1.25rem;
  font-weight: 700;
  flex-shrink: 0;
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--bg) 55%, transparent);
}
.brand-name { font-family: var(--ff-display); font-size: 1.15rem; font-weight: 600; color: var(--text); line-height: 1; }
.brand-tag { display: block; font-family: var(--ff-body); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-mute); margin-top: 4px; }
@media (max-width: 480px) { .brand-tag { display: none; } }

.nav-desktop { display: flex; align-items: center; gap: 28px; }
.nav-desktop a {
  font-family: var(--ff-ui);
  font-size: .92rem;
  color: var(--text);
  position: relative;
  padding: 4px 0;
  transition: color var(--t-fast);
}
.nav-desktop a:not(.btn)::after {
  content: "";
  position: absolute;
  bottom: -2px; left: 0;
  height: 1.5px; width: 0;
  background: var(--accent);
  transition: width var(--t-base);
}
.nav-desktop a:not(.btn):hover::after { width: 100%; }
@media (max-width: 900px) { .nav-desktop { display: none; } }

.header-actions { display: flex; align-items: center; gap: 10px; }
@media (max-width: 720px) { .header-actions .btn-call-header { display: none; } }

/* Footer */
.site-footer {
  background: var(--text);
  color: color-mix(in srgb, var(--bg) 88%, transparent);
  padding: 56px 0 28px;
  margin-top: 0;
}
.site-footer .container { padding-left: 24px; padding-right: 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }

.footer-brand { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.footer-brand .brand-mark { width: 44px; height: 44px; }
.footer-brand .brand-name { color: color-mix(in srgb, var(--bg) 95%, transparent); font-size: 1.2rem; }
.footer-brand .brand-tag { color: color-mix(in srgb, var(--bg) 60%, transparent); display: block; }

.footer-baseline { color: color-mix(in srgb, var(--bg) 72%, transparent); font-size: .92rem; max-width: 32ch; }

.footer-col h4 {
  font-family: var(--ff-body);
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: color-mix(in srgb, var(--accent) 70%, var(--bg));
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; font-size: .92rem; }
.footer-col a { color: color-mix(in srgb, var(--bg) 90%, transparent); }
.footer-col a:hover { color: var(--bg); }

.footer-bottom {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid color-mix(in srgb, var(--bg) 18%, transparent);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: .82rem;
  color: color-mix(in srgb, var(--bg) 60%, transparent);
}
.footer-bottom a { color: color-mix(in srgb, var(--bg) 78%, transparent); text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom a:hover { color: var(--bg); }