/* Layout: Container, 12-Spalten-Magazin-Raster, Header, Footer */

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 3vw, 3rem);
}

section {
  padding-block: clamp(3.5rem, 6vw, 7rem);
}

.section-tight {
  padding-block: clamp(2rem, 4vw, 4rem);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: color-mix(in oklch, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: padding var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}

@media (max-width: 900px) {
  .site-header {
    backdrop-filter: none;
    background: var(--color-bg);
  }
}

.site-header.is-shrunk {
  box-shadow: var(--shadow-soft);
}

.site-header__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  transition: height var(--dur-base) var(--ease-out);
}

.site-header.is-shrunk .site-header__inner {
  height: var(--header-h-shrunk);
}

.site-branding img,
.site-branding svg {
  height: 42px;
  width: auto;
  transition: height var(--dur-base) var(--ease-out);
}

.site-header.is-shrunk .site-branding img,
.site-header.is-shrunk .site-branding svg {
  height: 34px;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-ink);
  text-decoration: none;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 2vw, 2.5rem);
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 1.8vw, 2.25rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav a {
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.98rem;
  padding: 0.4em 0.1em;
  position: relative;
}

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

.primary-nav a:hover::after,
.primary-nav a.current::after {
  right: 0;
}

/* Zwei Selektor-Bestandteile (Klasse + Elternklasse) schlagen ".primary-nav a"
   (Klasse+Typ) an Spezifitaet — sonst erbt der Header-CTA die dunkle Nav-Link-
   Farbe auf dunklem Grund und der Button-Text wird unsichtbar (gleicher Pitfall
   wie beim Mobile-Drawer-CTA, siehe layout.css .mobile-drawer__cta .btn--primary). */
.primary-nav .header-cta {
  color: var(--color-bg);
}

.header-cta {
  background: var(--color-ink);
  color: var(--color-bg);
  padding: 0.65em 1.3em;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.header-cta:hover {
  background: var(--color-accent-strong);
  color: var(--color-on-accent);
}

.header-cta:active {
  transform: scale(0.98);
}

.burger {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.burger__box {
  width: 24px;
  height: 16px;
  position: relative;
}

.burger__line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) 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);
}

@media (max-width: 900px) {
  .primary-nav__links,
  .header-cta {
    display: none;
  }
  .burger {
    display: flex;
  }
}

/* Mobile drawer: als Sibling im body platziert (nicht Kind von header) */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: var(--color-bg);
  transform: translateX(100%);
  transition: transform var(--dur-base) var(--ease-out);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

.mobile-drawer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--gutter);
  border-bottom: 1px solid var(--color-border);
  min-height: var(--header-h);
}

.mobile-drawer__close {
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-drawer ul {
  list-style: none;
  margin: 0;
  padding: 2rem var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-drawer a {
  display: block;
  padding: 0.85em 0;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
}

.mobile-drawer__cta {
  padding: 0 var(--gutter) 2rem;
  margin-top: auto;
}

/* Zwei Klassen schlagen ".mobile-drawer a" (Klasse+Typ) an Spezifitaet —
   sonst erbt der CTA-Button die dunkle Nav-Link-Farbe auf dunklem Grund
   und der Button-Text wird unsichtbar (Pitfall: Ankestor-<a>-Farbe schlaegt Button-Klasse). */
.mobile-drawer__cta .btn--primary {
  display: flex;
  color: var(--color-bg);
  border-bottom: none;
  padding: 0.85em 1.7em;
}

body.drawer-open {
  overflow: hidden;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-ink);
  color: color-mix(in oklch, var(--color-bg) 88%, transparent);
  padding-block: clamp(3rem, 5vw, 5rem) 2rem;
}

.site-footer a {
  color: color-mix(in oklch, var(--color-bg) 88%, transparent);
}

.site-footer a:hover {
  color: var(--color-accent-tint);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  padding-bottom: 3rem;
  border-bottom: 1px solid oklch(100% 0 0 / 0.12);
}

.footer-brand {
  grid-column: span 4;
}

.footer-brand img {
  height: 40px;
  width: auto;
  margin-bottom: 1rem;
}

.footer-col {
  grid-column: span 4;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-tint);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.6em;
}

.footer-contact-line {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6em;
}

.footer-contact-line .icon {
  flex-shrink: 0;
  color: var(--color-accent-tint);
}

.footer-social {
  display: flex;
  gap: 0.9rem;
  margin-top: 1.25rem;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border: 1px solid oklch(100% 0 0 / 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.footer-social a:hover {
  border-color: var(--color-accent-tint);
  transform: scale(0.96);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.75rem;
  font-size: 0.85rem;
  color: color-mix(in oklch, var(--color-bg) 55%, transparent);
}

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

@media (max-width: 900px) {
  .footer-brand,
  .footer-col {
    grid-column: span 12;
  }
}