/* ==========================================================================
   Layout — Container, 12-Spalten-Grid, Header, Footer
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
}

.section {
  padding-block: clamp(3.5rem, 7vw, 7.5rem);
}

.section--tight { padding-block: clamp(2.5rem, 5vw, 4.5rem); }

.section--dark {
  background: var(--primary);
  color: var(--bg);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--bg); }

.section--surface { background: var(--surface); }

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  background: var(--accent);
  color: var(--surface);
  padding: 0.8em 1.4em;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---- Site Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--primary);
  border-bottom: 1px solid oklch(35% 0.012 255);
  transition: padding-block var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}

.site-header.is-condensed {
  box-shadow: 0 8px 24px oklch(20% 0.01 255 / 0.28);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.35rem;
  transition: padding-block var(--dur-base) var(--ease-out);
}

.site-header.is-condensed .site-header__bar {
  padding-block: 0.7rem;
}

.site-branding {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  color: var(--bg);
  min-width: 0;
}

.site-branding__name {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  font-size: clamp(1.15rem, 1.4vw, 1.55rem);
  line-height: 1.05;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-branding__tagline {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
}

/* ---- Primary nav ---- */
.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.4rem, 2vw, 2.4rem);
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 1.8vw, 2rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.primary-nav a {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.95rem;
  color: var(--bg);
  position: relative;
  padding-block: 0.3em;
}

.primary-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--accent);
  transition: right var(--dur-base) var(--ease-out);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after,
.primary-nav .current-menu-item > a::after { right: 0; }

/* ---- Dropdown (Leistungen-Untermenü) ---- */
.primary-nav li.menu-item-has-children {
  position: relative;
}

.primary-nav .sub-menu {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  margin: 0;
  padding: 0.6rem 0;
  list-style: none;
  background: var(--primary-2);
  border: 1px solid oklch(40% 0.012 255);
  box-shadow: 0 18px 32px oklch(15% 0.01 255 / 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), visibility var(--dur-base);
  z-index: 20;
}

.primary-nav li.menu-item-has-children:hover > .sub-menu,
.primary-nav li.menu-item-has-children:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.primary-nav .sub-menu li { display: block; }

.primary-nav .sub-menu a {
  display: block;
  padding: 0.65em 1.4em;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}
.primary-nav .sub-menu a::after { display: none; }
.primary-nav .sub-menu a:hover { color: var(--accent); }

.header-cta {
  flex: 0 0 auto;
}

/* ---- Burger ---- */
.burger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid oklch(45% 0.012 255);
  background: transparent;
  border-radius: var(--radius);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex: 0 0 auto;
}

.burger__box {
  width: 22px;
  height: 16px;
  position: relative;
}

.burger__line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--bg);
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast) var(--ease-out), top var(--dur-base) var(--ease-out);
}
.burger__line:nth-child(1) { top: 0; }
.burger__line:nth-child(2) { top: 7px; }
.burger__line:nth-child(3) { top: 14px; }

.burger[aria-expanded="true"] .burger__line:nth-child(1) { top: 7px; transform: rotate(45deg); }
.burger[aria-expanded="true"] .burger__line:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] .burger__line:nth-child(3) { top: 7px; transform: rotate(-45deg); }

/* ---- Mobile drawer ---- */
.mobile-drawer {
  display: none;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--primary-2);
  color: var(--bg);
  padding-block: clamp(3rem, 6vw, 5rem) 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
  padding-bottom: 2.5rem;
  border-bottom: 1px solid oklch(38% 0.012 255);
}

.footer-col { grid-column: span 3; min-width: 0; }
.footer-col--wide { grid-column: span 4; }

.footer-col h4 {
  color: var(--bg);
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1rem;
  letter-spacing: 0.08em;
  margin-bottom: 1.1em;
  color: var(--accent);
}

.footer-col p, .footer-col li { color: oklch(85% 0.01 90); }

.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.6em; }

.footer-contact-line {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.footer-contact-line .icon { color: var(--accent); flex-shrink: 0; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.75rem;
  font-size: 0.85rem;
  color: oklch(70% 0.01 90);
}

.footer-bottom nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0; padding: 0;
  flex-wrap: wrap;
}