/* ============================================================
   Schmidt Fliesen GmbH – Stylesheet
   Akzentfarbe: #2563eb (Blau)
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-primary:       #2563eb;
  --color-primary-dark:  #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-secondary:     #0f172a;
  --color-text:          #1e293b;
  --color-text-muted:    #64748b;
  --color-bg:            #ffffff;
  --color-bg-alt:        #f8fafc;
  --color-border:        #e2e8f0;
  --color-success:       #16a34a;
  --color-error:         #dc2626;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               'Helvetica Neue', Arial, sans-serif;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 12px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.07);
  --shadow-lg:  0 10px 30px rgba(0,0,0,.12), 0 4px 10px rgba(0,0,0,.08);
  --shadow-xl:  0 20px 50px rgba(0,0,0,.15);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --transition: 0.3s cubic-bezier(.4,0,.2,1);

  --container-max: 1200px;
  --section-padding: 6rem 0;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

address {
  font-style: normal;
}

/* ---------- Utility ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-padding);
}

.section-tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .25rem .75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 4rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.highlight {
  color: var(--color-primary);
  position: relative;
}

.highlight::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 4px;
  background: var(--color-primary-light);
  border-radius: 2px;
  z-index: -1;
}

.link {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
  line-height: 1;
}

.btn--sm   { padding: .5rem 1rem;   font-size: .875rem; }
.btn--md   { padding: .75rem 1.5rem; font-size: 1rem;   }
.btn--lg   { padding: 1rem 2rem;    font-size: 1.05rem; }
.btn--full { width: 100%; justify-content: center; }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,99,235,.35);
}

.btn--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.7);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background: rgba(255,255,255,.15);
  border-color: #fff;
  transform: translateY(-2px);
}

/* ---------- Header / Nav ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition),
              padding var(--transition);
  padding: 0;
}

.header.scrolled {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 2rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  transition: color var(--transition);
  flex-shrink: 0;
}

.nav__logo-icon {
  font-size: 1.4rem;
}

.header.scrolled .nav__logo {
  color: var(--color-secondary);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: .25rem;
}

.nav__link {
  padding: .5rem .85rem;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 500;
  color: rgba(255,255,255,.9);
  transition: all var(--transition);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: #fff;
  background: rgba(255,255,255,.15);
}

.header.scrolled .nav__link {
  color: var(--color-text);
}

.header.scrolled .nav__link:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.header.scrolled .btn--primary {
  /* keep primary style */
}

/* Burger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
  border-radius: var(--radius-sm);
}

.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
}

.header.scrolled .nav__burger span {
  background: var(--color-secondary);
}

.nav__burger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__burger.open span:nth-child(2) {
  opacity: 0;
}

.nav__burger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(15,23,42,.82) 0%, rgba(37,99,235,.70) 100%),
    url('https://picsum.photos/seed/fliesen2025/1920/1080') center/cover no-repeat;
  background-color: #1e3a8a; /* fallback */
  color: #fff;
  overflow: hidden;
}

.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%,
    rgba(37,99,235,.25) 0%,
    transparent 70%);
  pointer-events: none;
}

.hero::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: var(--color-bg);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: 80px;
  text-align: center;
}

.hero__badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 2rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  font-size: .85rem;
  font-weight: 600;
  padding: .4rem 1rem;
  border-radius: 999px;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -.02em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,.85);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero__scroll-indicator span {
  display: block;
  width: 26px;
  height: 40px;
  border: 2px solid rgba(255,255,255,.5);
  border-radius: 999px;
  position: relative;
}

.hero__scroll-indicator span::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: rgba(255,255,255,.7);
  border-radius: 2px;
  animation: scrollDown 1.8s ease-in-out infinite;
}

@keyframes scrollDown {
  0%   { opacity: 1; top: 6px; }
  100% { opacity: 0; top: 22px; }
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  background: var(--color-bg);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 2;
}

.trust-bar__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 1.75rem;
  border-right: 1px solid var(--color-border);
  transition: background var(--transition);
}

.trust-item:last-child {
  border-right: none;
}

.trust-item:hover {
  background: var(--color-primary-light);
}

.trust-item__icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.trust-item div {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.trust-item strong {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.trust-item span {
  font-size: .8rem;
  color: var(--color-text-muted);
}

/* ---------- Leistungen ---------- */
.leistungen {
  background: var(--color-bg-alt);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  transition: all var(--transition);
  cursor: default;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.card:hover .card__icon {
  transform: scale(1.15);
}

.card__icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 1rem;
  transition: transform var(--transition);
}

.card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: .75rem;
}

.card__text {
  font-size: .92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ---------- Über uns ---------- */
.ueber-uns {
  background: var(--color-bg);
}

.ueber-uns__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.ueber-uns__text p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.check-list {
  margin: 2rem 0;
  display: flex;
  flex-direction: column;
  gap: .85rem;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: .95rem;
  line-height: 1.5;
}

.check-list__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.ueber-uns__image {
  position: relative;
}

.image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #e0f2fe 100%);
  border: 2px dashed var(--color-primary);
  border-radius: var(--radius-lg);
  min-height: 460px;
  color: var(--color-primary);
  text-align: center;
  padding: 2rem;
}

.image-placeholder__icon {
  font-size: 3.5rem;
}

.image-placeholder__text {
  font-size: 1rem;
  font-weight: 600;
}

.image-placeholder__hint {
  font-size: .8rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.image-placeholder--project {
  min-height: 240px;
  border-radius: 0;
  border: 2px dashed var(--color-border);
  background: var(--color-bg-alt);
}

.ueber-uns__img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: block;
  box-shadow: var(--shadow-lg);
}

.ueber-uns__experience-badge {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 1.25rem 1.75rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.ueber-uns__experience-badge strong {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}

.ueber-uns__experience-badge span {
  font-size: .8rem;
  opacity: .85;
  font-weight: 500;
}

/* ---------- Referenzen ---------- */
.referenzen {
  background: var(--color-bg-alt);
}

.referenzen-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.referenz-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.referenz-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.referenz-card__image {
  position: relative;
  overflow: hidden;
  height: 240px;
}

.referenz-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.referenz-card:hover .referenz-card__image img {
  transform: scale(1.06);
}

.referenz-card__tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--color-primary);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  padding: .3rem .75rem;
  border-radius: 999px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.referenz-card__body {
  padding: 1.5rem;
}

.referenz-card__body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: .5rem;
  line-height: 1.4;
}

.referenz-card__body p {
  font-size: .88rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ---------- Kontakt ---------- */
.kontakt {
  background: var(--color-bg);
}

.kontakt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

/* Form */
.kontakt-form-wrap {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.kontakt-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.form-group label {
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: .95rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: .7rem 1rem;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220,38,38,.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.form-error {
  font-size: .8rem;
  color: var(--color-error);
  min-height: 1.2em;
}

.form-group--checkbox label {
  font-weight: 400;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  cursor: pointer;
  font-size: .88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
  margin-top: 1px;
  cursor: pointer;
}

.form-success {
  display: none;
  background: #dcfce7;
  border: 1px solid #86efac;
  color: var(--color-success);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: .95rem;
  text-align: center;
}

.form-success.visible {
  display: block;
}

/* Submit button loading state */
.btn--loading {
  pointer-events: none;
  opacity: .75;
}

/* Kontakt Infos */
.kontakt-info-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.kontakt-info-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.kontakt-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: .9rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}

.kontakt-info-item:last-child {
  border-bottom: none;
}

a.kontakt-info-item:hover {
  color: var(--color-primary);
}

.kontakt-info-item__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}

.kontakt-info-item div {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.kontakt-info-item strong {
  font-size: .85rem;
  font-weight: 700;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.kontakt-info-item span {
  font-size: .95rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Maps */
.maps-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.maps-wrap iframe {
  width: 100%;
  height: 260px;
  display: block;
  border: none;
  filter: grayscale(15%);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-secondary);
  color: rgba(255,255,255,.8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  padding-top: 4rem;
  padding-bottom: 3rem;
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.25rem;
}

.footer__desc {
  font-size: .88rem;
  line-height: 1.7;
  color: rgba(255,255,255,.6);
  margin-bottom: 1.5rem;
  max-width: 300px;
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.footer__contact a {
  font-size: .9rem;
  color: rgba(255,255,255,.7);
  transition: color var(--transition);
}

.footer__contact a:hover {
  color: var(--color-primary-light);
}

.footer__heading {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255,255,255,.4);
  margin-bottom: 1.25rem;
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.footer__list a {
  font-size: .9rem;
  color: rgba(255,255,255,.7);
  transition: color var(--transition);
}

.footer__list a:hover {
  color: #fff;
}

.footer__address {
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
}

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  flex-wrap: wrap;
  gap: .75rem;
  font-size: .85rem;
  color: rgba(255,255,255,.5);
}

.footer__legal {
  display: flex;
  gap: 1.5rem;
}

.footer__legal a {
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}

.footer__legal a:hover {
  color: rgba(255,255,255,.9);
}

/* ---------- Back To Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 46px;
  height: 46px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: all var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp .8s ease forwards;
}

.fade-in--delay-1 { animation-delay: .15s; }
.fade-in--delay-2 { animation-delay: .30s; }
.fade-in--delay-3 { animation-delay: .45s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .65s ease, transform .65s ease;
}

.reveal--right {
  transform: translateX(32px);
}

.reveal.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Staggered card delay */
.cards-grid .card:nth-child(2) { transition-delay: .1s; }
.cards-grid .card:nth-child(3) { transition-delay: .2s; }
.cards-grid .card:nth-child(4) { transition-delay: .1s; }
.cards-grid .card:nth-child(5) { transition-delay: .2s; }
.cards-grid .card:nth-child(6) { transition-delay: .3s; }

.trust-bar__inner .trust-item:nth-child(2) { transition-delay: .08s; }
.trust-bar__inner .trust-item:nth-child(3) { transition-delay: .16s; }
.trust-bar__inner .trust-item:nth-child(4) { transition-delay: .24s; }

.referenzen-grid .referenz-card:nth-child(2) { transition-delay: .12s; }
.referenzen-grid .referenz-card:nth-child(3) { transition-delay: .24s; }

/* ---------- Responsive: Tablet (≤ 900px) ---------- */
@media (max-width: 900px) {
  :root { --section-padding: 4rem 0; }

  /* Nav */
  .nav__burger { display: flex; }

  .nav__list {
    position: fixed;
    top: 70px;
    left: 0; right: 0;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: stretch;
    gap: .25rem;
    padding: 1rem 1.5rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .nav__list.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    color: var(--color-text) !important;
    padding: .75rem 1rem;
    display: block;
    font-size: 1rem;
  }

  .nav__link:hover {
    background: var(--color-primary-light);
    color: var(--color-primary) !important;
  }

  .nav__list .btn {
    width: 100%;
    justify-content: center;
    margin-top: .5rem;
  }

  /* Trust Bar */
  .trust-bar__inner {
    grid-template-columns: 1fr 1fr;
  }

  .trust-item:nth-child(2) {
    border-right: none;
  }

  .trust-item:nth-child(3) {
    border-right: 1px solid var(--color-border);
    border-top: 1px solid var(--color-border);
  }

  .trust-item:nth-child(4) {
    border-top: 1px solid var(--color-border);
    border-right: none;
  }

  /* Cards */
  .cards-grid { grid-template-columns: 1fr 1fr; }

  /* Über uns */
  .ueber-uns__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .ueber-uns__image { order: -1; }

  .ueber-uns__experience-badge {
    bottom: -.75rem;
    left: 1rem;
  }

  /* Referenzen */
  .referenzen-grid { grid-template-columns: 1fr; }

  /* Kontakt */
  .kontakt-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .footer__col:first-child {
    grid-column: 1 / -1;
  }
}

/* ---------- Responsive: Mobile (≤ 600px) ---------- */
@media (max-width: 600px) {
  :root { --section-padding: 3.5rem 0; }

  .hero__title { font-size: clamp(2rem, 9vw, 3rem); }

  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: 100%; max-width: 320px; justify-content: center; }

  .trust-bar__inner { grid-template-columns: 1fr; }
  .trust-item { border-right: none !important; border-top: 1px solid var(--color-border); }
  .trust-item:first-child { border-top: none; }

  .cards-grid { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }

  .kontakt-form-wrap { padding: 1.5rem; }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__col:first-child { grid-column: auto; }

  .footer__bottom-inner {
    flex-direction: column;
    text-align: center;
    gap: .5rem;
  }

  .ueber-uns__experience-badge {
    left: 50%;
    transform: translateX(-50%);
    bottom: -1.5rem;
  }
}

/* ---------- Focus Visible (Accessibility) ---------- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .reveal, .fade-in {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Print ---------- */
@media print {
  .header, .back-to-top, .hero__scroll-indicator { display: none; }
  .hero { min-height: auto; padding: 2rem 0; }
  .reveal, .fade-in { opacity: 1; transform: none; }
}