.l-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-2);
}

.l-container--narrow { max-width: var(--container-narrow); }
.l-container--wide { max-width: var(--container-wide); }

.l-section {
  padding: var(--spacing-8) 0;
}

.l-section--lg { padding: var(--spacing-10) 0; }
.l-section--sm { padding: var(--spacing-5) 0; }

.l-grid {
  display: grid;
  gap: var(--spacing-3);
}

.l-grid--2 { grid-template-columns: repeat(2, 1fr); }
.l-grid--3 { grid-template-columns: repeat(3, 1fr); }
.l-grid--4 { grid-template-columns: repeat(4, 1fr); }

.l-stack {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.l-stack--lg { gap: var(--spacing-4); }
.l-stack--sm { gap: var(--spacing-1); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-neutral-0);
  border-bottom: 1px solid var(--color-neutral-200);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.site-header__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-2);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex-shrink: 0;
}

.site-header__logo {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-700);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.site-header__logo svg { width: 28px; height: 28px; }

.site-header__name {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-neutral-900);
  line-height: 1.2;
}

.site-header__name span {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-neutral-500);
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-neutral-700);
  padding: var(--spacing-1) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-600);
  transition: width var(--transition-base);
}

.site-nav__link:hover, .site-nav__link--active { color: var(--color-primary-700); }
.site-nav__link--active::after { width: 100%; }
.site-nav__link:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-neutral-800);
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-neutral-800);
  border-radius: 2px;
  position: relative;
  transition: all var(--transition-base);
}

.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-neutral-800);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-toggle__bar::before { top: -7px; }
.nav-toggle__bar::after { top: 7px; }

.nav-toggle--open .nav-toggle__bar { background: transparent; }
.nav-toggle--open .nav-toggle__bar::before { top: 0; transform: rotate(45deg); }
.nav-toggle--open .nav-toggle__bar::after { top: 0; transform: rotate(-45deg); }

.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(340px, 85vw);
  height: 100vh;
  background: var(--color-neutral-0);
  border-left: 1px solid var(--color-neutral-200);
  box-shadow: var(--shadow-xl);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transition: right var(--transition-slow);
  overflow-y: auto;
}

.mobile-nav--open { right: 0; }

.mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-2);
  border-bottom: 1px solid var(--color-neutral-200);
  height: var(--header-height);
  flex-shrink: 0;
}

.mobile-nav__close {
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-neutral-800);
}

.mobile-nav__list {
  list-style: none;
  margin: 0;
  padding: var(--spacing-2);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.mobile-nav__link {
  display: block;
  padding: var(--spacing-2);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-neutral-800);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-nav__link:hover, .mobile-nav__link--active {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
}

.mobile-nav__footer {
  margin-top: auto;
  padding: var(--spacing-2);
  border-top: 1px solid var(--color-neutral-200);
  font-size: 0.875rem;
  color: var(--color-neutral-500);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28,25,23,0.4);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.nav-overlay--open { opacity: 1; visibility: visible; }

body.nav-locked { overflow: hidden; }

.site-footer {
  background: var(--color-neutral-900);
  color: var(--color-neutral-300);
  padding: var(--spacing-8) 0 var(--spacing-3);
  margin-top: auto;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-5);
}

.site-footer__brand-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-neutral-0);
  margin-bottom: var(--spacing-1);
}

.site-footer__heading {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-neutral-400);
  margin-bottom: var(--spacing-2);
}

.site-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.site-footer__list a {
  color: var(--color-neutral-300);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.site-footer__list a:hover { color: var(--color-neutral-0); }

.site-footer__bottom {
  border-top: 1px solid var(--color-neutral-700);
  padding-top: var(--spacing-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-1);
  font-size: 0.8125rem;
  color: var(--color-neutral-500);
}

.site-footer__address {
  font-style: normal;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-neutral-300);
}

.site-footer__address a { color: var(--color-neutral-300); }
.site-footer__address a:hover { color: var(--color-neutral-0); }

@media (max-width: 900px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .site-nav { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 560px) {
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
}