/* ================================================================== *
 * components.css – Buttons, Navigation, Cards, Formulare
 * ================================================================== */

/* ---- Buttons ----------------------------------------------------- */
.btn {
  --btn-bg: var(--color-primary-600);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--step-0);
  line-height: 1;
  padding: 0.85rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.2s ease, box-shadow 0.2s ease;
  will-change: transform;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
  color: var(--btn-fg);
}
.btn:active {
  transform: translateY(0);
}
.btn-primary {
  --btn-bg: var(--color-primary-600);
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-800));
}
.btn-secondary {
  --btn-bg: #fff;
  --btn-fg: var(--color-primary-700);
  border-color: var(--color-primary-200);
}
.btn-secondary:hover {
  --btn-fg: var(--color-primary-800);
  background: var(--color-primary-50);
}
.btn-ghost {
  --btn-bg: transparent;
  --btn-fg: var(--color-neutral-800);
}
.btn-ghost:hover {
  --btn-fg: var(--color-primary-700);
  background: var(--color-primary-50);
  box-shadow: none;
}
.btn-lg {
  padding: 1.05rem 2rem;
  font-size: var(--step-1);
}
.btn-block {
  width: 100%;
}
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 1.5rem 0;
}
.btn svg {
  width: 1.15em;
  height: 1.15em;
  flex: none;
}

/* ---- 404 / Fehlerseite ------------------------------------------- */
.error-page {
  text-align: center;
  padding-block: clamp(3.5rem, 2.5rem + 5vw, 8rem);
}
.error-page__code {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(4.5rem, 3rem + 12vw, 11rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-800));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 0.4rem;
}
.error-page h1 {
  font-size: var(--step-3);
}
.error-page .lead {
  max-width: 40ch;
  margin-inline: auto;
}
.error-page .btn-row {
  justify-content: center;
}
.error-page__links {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  justify-content: center;
  font-weight: 600;
}

/* ---- Trust-Chips -------------------------------------------------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: color-mix(in oklch, var(--color-primary-50) 70%, #fff);
  border: 1px solid var(--color-primary-100);
  color: var(--color-primary-800);
  font-size: var(--step--1);
  font-weight: 600;
}
.chip svg {
  width: 1.05em;
  height: 1.05em;
  color: var(--color-accent-600);
}

/* ---- Header & Navigation ----------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklch, #fff 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--color-neutral-200);
  transition: box-shadow 0.2s ease, background 0.2s ease;
}
.site-header.is-scrolled {
  background: color-mix(in oklch, #fff 96%, transparent);
  box-shadow: 0 6px 20px oklch(0.305 0.068 244.5 / 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 4.5rem;
  padding-block: 0.5rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  flex: none;
}
.brand img {
  height: 2.4rem;
  width: auto;
}
.primary-nav {
  display: none;
  margin-left: auto;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-item {
  position: relative;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--color-neutral-700);
  text-decoration: none;
  white-space: nowrap;
}
.nav-link:hover,
.nav-item:hover > .nav-link,
.nav-link[aria-current="true"] {
  color: var(--color-primary-700);
  background: var(--color-primary-50);
}
.nav-link .caret {
  width: 0.7rem;
  height: 0.7rem;
  transition: transform 0.2s ease;
}
.nav-item:hover > .nav-link .caret {
  transform: rotate(180deg);
}

/* Dropdown */
.submenu {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  min-width: 17rem;
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
  padding: 0.5rem;
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 60;
}
.nav-item:hover > .submenu,
.nav-item:focus-within > .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.submenu .nav-item {
  width: 100%;
}
.submenu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-neutral-700);
  text-decoration: none;
}
.submenu-link:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
}
.submenu-link .caret {
  width: 0.65rem;
  opacity: 0.6;
}
/* Zweite Ebene (Untermenü im Untermenü) */
.submenu .submenu {
  top: -0.5rem;
  left: calc(100% + 0.3rem);
}
.header-cta {
  flex: none;
}
/* Auf schmalen Phones passt Logo + CTA + Burger nicht nebeneinander –
   dort trägt der CTA im Menü-Drawer die Aktion, der Header bleibt aufgeräumt. */
@media (max-width: 559px) {
  .header-cta {
    display: none;
  }
}

/* Burger (mobile) */
.nav-toggle {
  margin-left: auto;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 1.35rem;
  margin-inline: auto;
  background: var(--color-neutral-800);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .primary-nav {
    display: block;
  }
  .nav-toggle {
    display: none;
  }
}

/* Mobile-Drawer */
.mobile-nav {
  display: none;
  border-top: 1px solid var(--color-neutral-200);
  background: #fff;
  max-height: min(80vh, 40rem);
  overflow-y: auto;
  padding: 0.75rem var(--gutter) 1.5rem;
}
.mobile-nav.open {
  display: block;
}
.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.mobile-nav a {
  display: block;
  padding: 0.75rem 0.5rem;
  font-weight: 600;
  color: var(--color-neutral-800);
  text-decoration: none;
  border-radius: var(--radius-sm);
}
.mobile-nav a:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
}
.mobile-nav .lvl-2 a {
  padding-left: 1.4rem;
  font-weight: 500;
  color: var(--color-neutral-600);
}
.mobile-nav .lvl-3 a {
  padding-left: 2.3rem;
  font-size: 0.92rem;
}
.mobile-nav .group-label {
  padding: 0.9rem 0.5rem 0.3rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-neutral-400);
}
.mobile-nav .btn {
  margin-top: 1rem;
}

/* ---- Cards ------------------------------------------------------- */
.card {
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.card-soft {
  box-shadow: var(--shadow-soft);
  border-color: transparent;
}

/* Kategorie-Karte (Bild oben) */
.cat-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--color-primary-200);
  color: inherit;
}
.cat-card__media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}
.cat-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.cat-card:hover .cat-card__media img {
  transform: scale(1.05);
}
.cat-card__body {
  padding: 1.15rem 1.25rem 1.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.cat-card__body h3 {
  font-size: 1.1rem;
  margin: 0;
  line-height: 1.25;
}
.cat-card__arrow {
  flex: none;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  transition: background 0.2s ease, transform 0.2s ease;
}
.cat-card:hover .cat-card__arrow {
  background: var(--color-primary-600);
  color: #fff;
  transform: translateX(3px);
}

/* Prozess-Schritt */
.step {
  position: relative;
  padding: 1.75rem;
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
}
.step__num {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-primary-200);
}
.step h3 {
  margin: 0.75rem 0 0.5rem;
  font-size: 1.2rem;
}

/* Feature / Vorteil-Zeile mit Häkchen */
.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}
.check-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.check-list svg {
  flex: none;
  width: 1.4rem;
  height: 1.4rem;
  margin-top: 0.15rem;
  color: var(--color-accent-600);
}

/* ---- CTA-Band ---------------------------------------------------- */
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  padding: clamp(2rem, 1.4rem + 3vw, 4rem);
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-900));
}
.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 120% at 100% 0%, color-mix(in oklch, var(--color-accent-500) 55%, transparent), transparent 60%);
  opacity: 0.5;
  pointer-events: none;
}
.cta-band > * {
  position: relative;
}
.cta-band h2 {
  color: #fff;
}
.cta-band__grid {
  display: grid;
  gap: 1.75rem 2.5rem;
  align-items: center;
  grid-template-columns: 1fr;
}
@media (min-width: 820px) {
  .cta-band__grid {
    grid-template-columns: 1.4fr 1fr;
  }
}
.cta-band__text {
  color: color-mix(in oklch, #fff 88%, var(--color-primary-100));
  margin-bottom: 0;
  max-width: 46ch;
}
.cta-band__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}
@media (min-width: 820px) {
  .cta-band__actions {
    align-items: flex-end;
    text-align: right;
  }
}
.cta-band__btn {
  --btn-bg: #fff;
  --btn-fg: var(--color-primary-800);
  background: #fff;
}
.cta-band__btn:hover {
  --btn-fg: var(--color-primary-900);
  background: var(--color-primary-50);
}
.cta-band__phone {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}
.cta-band__phone svg {
  width: 1.2rem;
  height: 1.2rem;
  color: var(--color-accent-400);
}

/* ---- Footer ------------------------------------------------------ */
.site-footer {
  background: var(--color-neutral-950);
  color: var(--color-neutral-300);
  padding-block: clamp(3rem, 2rem + 3vw, 5rem) 2rem;
}
.site-footer a {
  color: var(--color-neutral-300);
  text-decoration: none;
}
.site-footer a:hover {
  color: #fff;
}
.footer-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}
.footer-brand img {
  height: 2.6rem;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.92;
}
.footer-about {
  margin-top: 1.1rem;
  max-width: 34ch;
  color: var(--color-neutral-400);
}
.footer-contact {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.25rem;
}
.footer-contact a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.footer-contact a:first-child {
  font-weight: 600;
}
.footer-contact svg {
  width: 1.15rem;
  height: 1.15rem;
  color: var(--color-accent-400);
}
.footer-col h2 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  font-size: 0.95rem;
}
.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-neutral-800);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  justify-content: space-between;
  font-size: 0.86rem;
  color: var(--color-neutral-400);
}
.footer-bottom nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

@media (min-width: 720px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

/* ---- Prose (Fließtext-Seiten) ------------------------------------ */
.prose {
  max-width: 46rem;
}
.prose h2 {
  margin-top: 2.2em;
}
.prose h3 {
  margin-top: 1.6em;
}
.prose ul,
.prose ol {
  padding-left: 1.4em;
  margin: 0 0 1.2em;
  list-style-position: outside;
}
.prose ul {
  list-style-type: disc;
}
.prose ol {
  list-style-type: decimal;
}
.prose li {
  margin-bottom: 0.5em;
}
.prose li::marker {
  color: var(--color-primary-500);
}
.prose a {
  font-weight: 600;
}