/* ==========================================================================
   HEADER / BURGER-MENÜ
   ========================================================================== */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--gutter);
  background: color-mix(in srgb, var(--color-accent-ink) 88%, transparent);
  backdrop-filter: blur(6px);
}
.site-header__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--color-white);
  text-decoration: none;
  white-space: nowrap;
}
/* EDIT-ME: Sobald das animierte Logo (SVG/Lottie) fertig ist, ersetzt es
   diesen Text-Wordmark 1:1 – Container hat feste Höhe, damit nichts springt. */

.burger {
  position: relative;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--color-white) 30%, transparent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.burger__bar,
.burger__bar::before,
.burger__bar::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.burger__bar::before { transform: translateY(-7px); }
.burger__bar::after { transform: translateY(5px); }
.burger__bar { position: relative; }
.burger__bar::before,
.burger__bar::after { position: absolute; left: 0; top: 0; }
.burger[aria-expanded="true"] .burger__bar { background: transparent; }
.burger[aria-expanded="true"] .burger__bar::before { transform: rotate(45deg); }
.burger[aria-expanded="true"] .burger__bar::after { transform: rotate(-45deg); }

.nav-panel {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}
.nav-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-panel__list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: center;
}
.nav-panel__list a {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 0.15em;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.nav-panel__list a:hover,
.nav-panel__list a:focus-visible {
  border-color: var(--color-accent);
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 70svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-ink);
  color: var(--color-white);
  overflow: hidden;
  padding: var(--gutter);
}
/* Baustellenplan-Raster im Hintergrund – dezent, referenziert Bauzeichnung */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--color-white) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--color-white) 5%, transparent) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero__logo-stage {
  position: relative;
  z-index: 1;
  height: 33vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__logo {
  height: 100%;
  width: auto;
  display: block;
}
.hero__scroll-cue {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  translate: -50% 0;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-white) 60%, transparent);
  z-index: 1;
}

/* ==========================================================================
   INTRO-TEXTBLOCK (H1 + p, zentriert)
   ========================================================================== */
.intro {
  padding-block: clamp(4rem, 10vw, 7rem);
  text-align: center;
  background: var(--color-accent-ink);
}
.intro__inner {
  max-width: 46rem;
  margin-inline: auto;
}
.intro h1 {
  font-size: var(--step-2);
}
.intro__lead {
  margin-top: 1.5rem;
  font-size: var(--step-1);
  color: var(--color-muted);
  max-width: 38rem;
  margin-inline: auto;
}

/* ==========================================================================
   LEISTUNGEN – 4 Spalten
   ========================================================================== */
.services {
  padding-block: clamp(3rem, 8vw, 6rem);
  background: var(--color-paper);
  border-block: 1px solid var(--color-line);
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
@media (max-width: 900px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .services__grid { grid-template-columns: 1fr; }
}
.service-card {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.service-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.service-card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  display: block;
}
.service-card h2 {
  margin-top: 1.25rem;
  font-size: var(--step-1);
}
.service-card p {
  margin-top: 0.6rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   KONTAKT-FOOTER (geteilt: Startseite, Impressum, Datenschutz)
   ========================================================================== */
.contact-footer {
  background: var(--color-ink);
  color: var(--color-white);
  padding-block: clamp(2.5rem, 6vw, 4rem);
}
.contact-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid color-mix(in srgb, var(--color-white) 15%, transparent);
}
.contact-footer h2 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.contact-footer address {
  font-style: normal;
  color: color-mix(in srgb, var(--color-white) 85%, transparent);
  line-height: 1.7;
}
.contact-footer a {
  color: var(--color-white);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--color-white) 30%, transparent);
}
.contact-footer a:hover { border-color: var(--color-accent); }
.contact-footer__bottom {
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  font-size: 0.85rem;
  color: color-mix(in srgb, var(--color-white) 55%, transparent);
}
.contact-footer__legal-links a { border-bottom: none; margin-right: 1.25rem; }
.contact-footer__legal-links a:hover { color: var(--color-accent); }

/* ==========================================================================
   UNTERSEITEN (Impressum / Datenschutz)
   ========================================================================== */
.page-header {
  position: relative;
  margin-top: 0;
  height: clamp(300px, 38vw, 500px);
  background: var(--color-ink) bottom/cover no-repeat;
  /* EDIT-ME: background-image via style="" im HTML oder Klasse ersetzen */
  display: flex;
  align-items: flex-end;
}
.page-header::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, color-mix(in srgb, var(--color-ink) 75%, transparent), transparent 65%);
}
.page-header h1 {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  font-size: var(--step-3);
  padding: 2rem var(--gutter);
  max-width: var(--maxw);
  margin-inline: auto;
  width: 100%;
}
.legal-content {
  padding-block: clamp(2.5rem, 6vw, 4rem);
  max-width: 46rem;
  margin-inline: auto;
}
.legal-content h2 {
  font-size: var(--step-1);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content p,
.legal-content li {
  color: var(--color-muted);
  margin-bottom: 0.9rem;
}
.legal-content h3 {
  font-size: var(--step-0);
color: var(--color-muted);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.legal-content h4 {
  font-size: var(--step-0);
color: var(--color-muted);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.legal-content li { margin-left: 1.25rem; list-style: disc; }
.legal-placeholder {
  border: 2px dashed var(--color-line);
  padding: 1.25rem;
  border-radius: var(--radius);
  color: var(--color-muted);
  font-size: 0.9rem;
  background: var(--color-paper);
}