:root {
  --black: #f4fcfb;
  --dark: #e6f0f3;
  --panel: #ffffff;
  --border: #cddde2;
  --accent: #5289ad;
  --accent2: #6fa0bc;
  --steel: #698696;
  --light: #3d5468;
  --white: #1b2d3a;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 4rem;
  width: 100%;
}

body {
  background: var(--black);
  color: var(--light);
  font-family: 'Barlow', sans-serif;
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- NOISE TEXTURE ---- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.012;
  pointer-events: none;
  z-index: 9999;
}

/* ---- NAV ---- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(244,252,251,0.92);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 12px rgba(82,137,173,0.08);
}

/* backdrop-filter on a pseudo-element so nav itself does NOT become
   a containing block for position:fixed children (the mobile overlay) */
nav::before {
  content: '';
  position: absolute;
  inset: 0;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: -1;
  pointer-events: none;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.2rem;
  padding-bottom: 1.2rem;
}

.logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  color: var(--white);
  text-decoration: none;
}

.logo span { color: var(--accent); }

nav ul {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

nav a {
  color: var(--steel);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
}

nav a:hover { color: var(--white); }

.nav-cta {
  background: var(--accent);
  color: var(--black) !important;
  padding: 0.55rem 1.4rem;
  font-weight: 700 !important;
  clip-path: polygon(6px 0%, 100% 0%, calc(100% - 6px) 100%, 0% 100%);
  transition: background 0.2s;
}

.nav-cta:hover { background: var(--accent2); color: var(--black) !important; }

/* ---- HAMBURGER ---- */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  width: 40px;
  height: 40px;
  z-index: 102;
  position: relative;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s;
  transform-origin: center;
}

.nav-hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding-top: 8rem;
  padding-bottom: 4rem;
  min-height: 100vh;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 70% at 80% 50%, rgba(82,137,173,0.12) 0%, transparent 65%),
    radial-gradient(ellipse 35% 50% at 20% 80%, rgba(111,160,188,0.06) 0%, transparent 55%),
    linear-gradient(160deg, #daedf2 0%, #f4fcfb 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.18;
  mask-image: radial-gradient(ellipse 70% 70% at 70% 50%, black, transparent);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero-tag::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--accent);
}

h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(3.2rem, 6vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.5rem;
}

h1 .accent { color: var(--accent); }
h1 .outline {
  -webkit-text-stroke: 1px rgba(27,45,58,0.2);
  color: transparent;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--steel);
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--accent);
  color: var(--black);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  padding: 0.9rem 2rem;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
  transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover { background: var(--accent2); transform: translateX(3px); }

.btn-secondary {
  color: var(--light);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

.btn-secondary:hover { color: var(--accent); border-color: var(--accent); }

.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-diagram {
  width: 100%;
  max-width: 500px;
  position: relative;
}

/* ---- HERO IMAGE ---- */
.hero-img-wrap {
  position: relative;
  width: 100%;
  max-width: 560px;
}

.hero-img-wrap::before {
  content: '';
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, var(--accent), transparent 50%, transparent 50%, rgba(82,137,173,0.25));
  z-index: 1;
  pointer-events: none;
}

.hero-img-wrap::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 12px;
  right: -12px;
  top: 12px;
  border: 1px solid var(--border);
  z-index: 0;
}

.hero-img-wrap img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 1;
  filter: brightness(0.88) contrast(1.05);
}

.hero-img-badge {
  position: absolute;
  bottom: 1.2rem;
  left: 1.2rem;
  z-index: 2;
  background: rgba(27,45,58,0.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero-img-badge-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7ab8d4;
}

.hero-img-badge-sub {
  font-size: 0.7rem;
  color: #acbcbf;
  letter-spacing: 0.06em;
}

.stats-row {
  display: flex;
  gap: 1rem;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 1rem 1.5rem;
  flex: 1;
  clip-path: polygon(4px 0%, 100% 0%, calc(100% - 4px) 100%, 0% 100%);
  animation: fadeUp 0.6s ease both;
}

/* ---- SERVICE CARD IMAGE ---- */
.service-card-img {
  width: calc(100% + 5rem);
  margin: -2.5rem -2.5rem 1.8rem;
  height: 200px;
  overflow: hidden;
  position: relative;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
  filter: brightness(0.82) contrast(1.05) saturate(0.9);
}

.service-card:hover .service-card-img img {
  transform: scale(1.04);
}

.service-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, var(--dark) 100%);
}

/* ---- GALLERY SECTION ---- */
#referenzen {
  padding: 6rem 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  margin-top: 3rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--panel);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.8) contrast(1.05) saturate(0.85);
  transition: transform 0.5s ease, filter 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.06);
  filter: brightness(0.95) contrast(1.05) saturate(1);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(27,45,58,0.9) 0%, transparent 55%);
  pointer-events: none;
  transition: opacity 0.3s;
}

.gallery-item-label {
  position: absolute;
  bottom: 1rem;
  left: 1.2rem;
  right: 1.2rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #f4fcfb;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s, transform 0.3s;
}

.gallery-item:hover .gallery-item-label {
  opacity: 1;
  transform: translateY(0);
}

.gallery-item.large { grid-column: span 2; }

.stat-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.72rem;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.2rem;
}

/* ---- SECTIONS ---- */
section { padding: 6rem 0; }

.section-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-tag::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--accent);
}

h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(2rem, 4vw, 3.2rem);
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 1.5rem;
}

h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 0.8rem;
}

/* ---- SERVICES ---- */
#leistungen {
  background: var(--dark);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.services-header {
  max-width: 700px;
  margin-bottom: 4rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.service-card {
  background: var(--dark);
  padding: 2.5rem;
  transition: background 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { background: var(--panel); }

.service-icon {
  display: block;
  margin-bottom: 1.2rem;
  color: var(--accent);
}

.service-card p {
  color: var(--steel);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.feature-list li {
  font-size: 0.82rem;
  color: var(--light);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  line-height: 1.5;
}

.feature-list li::before {
  content: '▸';
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 0.1rem;
}

/* ---- ADVANTAGES ---- */
#vorteile {
  position: relative;
}

.advantages-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.advantages-text p {
  color: var(--steel);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.adv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.adv-item {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 1.3rem;
  position: relative;
  transition: border-color 0.3s, background 0.3s;
}

.adv-item:hover {
  border-color: var(--accent);
  background: rgba(82,137,173,0.08);
}

.adv-icon {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--accent);
}

.adv-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 0.3rem;
}

.adv-desc {
  font-size: 0.78rem;
  color: var(--steel);
  line-height: 1.5;
}

/* ---- INDUSTRIE ---- */
#industrie {
  background: var(--dark);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.industrie-visual {
  position: relative;
}

.tech-spec-box {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 2rem;
}

.spec-header {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.8rem;
  margin-bottom: 1.2rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(205,221,226,0.9);
  font-size: 0.85rem;
}

.spec-key { color: var(--steel); }
.spec-val {
  color: var(--white);
  font-weight: 500;
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: 0.05em;
}

.spec-val.good { color: #0e7490; }

.progress-bar-wrap {
  margin-top: 1.5rem;
}

.prog-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--steel);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.prog-track {
  height: 4px;
  background: var(--border);
  position: relative;
  overflow: hidden;
}

.prog-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  animation: growBar 1.5s ease both;
  animation-delay: 0.3s;
}

@keyframes growBar {
  from { transform: scaleX(0); transform-origin: left; }
  to { transform: scaleX(1); transform-origin: left; }
}

/* ---- PROCESS ---- */
#prozess {
  position: relative;
  overflow: hidden;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: 3rem;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent), transparent);
  z-index: 0;
  opacity: 0.5;
}

.step {
  padding: 0 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 56px;
  height: 56px;
  background: var(--panel);
  border: 2px solid var(--accent);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  clip-path: polygon(4px 0%, 100% 0%, calc(100% - 4px) 100%, 0% 100%);
  box-shadow: 0 0 20px rgba(82,137,173,0.25);
}

.step h4 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--white);
  margin-bottom: 0.6rem;
}

.step p {
  font-size: 0.82rem;
  color: var(--steel);
  line-height: 1.6;
}

/* ---- CONTACT ---- */
#kontakt {
  background: var(--dark);
  border-top: 1px solid var(--border);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-info p {
  color: var(--steel);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--light);
}

.contact-detail-icon {
  width: 36px;
  height: 36px;
  background: rgba(82,137,173,0.1);
  border: 1px solid rgba(82,137,173,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  clip-path: polygon(4px 0%, 100% 0%, calc(100% - 4px) 100%, 0% 100%);
  color: var(--accent);
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

input, textarea, select {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--light);
  font-family: 'Barlow', sans-serif;
  font-size: 0.9rem;
  padding: 0.9rem 1.2rem;
  width: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(82,137,173,0.18);
}

input::placeholder, textarea::placeholder { color: var(--steel); }

select option { background: var(--panel); }

textarea { resize: vertical; min-height: 130px; }

label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 0.3rem;
  display: block;
}

.field { display: flex; flex-direction: column; }

/* ---- FOOTER ---- */
footer {
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--steel);
}

.footer-cols {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr;
  gap: 4rem;
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border);
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--steel);
  line-height: 1.7;
  margin-top: 1rem;
  max-width: 280px;
}

.footer-contact-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--steel);
}

.footer-contact-item svg { color: var(--accent); flex-shrink: 0; }

.footer-col-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-col-title::before {
  content: '';
  width: 14px;
  height: 2px;
  background: var(--accent);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--steel);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  font-size: 0.78rem;
  color: var(--steel);
}

.footer-bottom div { display: flex; gap: 1.5rem; }

footer a { color: var(--steel); text-decoration: none; }
footer a:hover { color: var(--accent); }

/* ---- GALLERY ZOOM ---- */
.gallery-zoom {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  color: #f4fcfb;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 2;
  pointer-events: none;
  background: rgba(27,45,58,0.5);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(244,252,251,0.3);
  clip-path: polygon(4px 0%, 100% 0%, calc(100% - 4px) 100%, 0% 100%);
}

.gallery-item:hover .gallery-zoom {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.gallery-item { cursor: zoom-in; }

/* ---- LIGHTBOX ---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(27,45,58,0.97);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  padding: 2rem;
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox-content {
  position: relative;
  max-width: 1100px;
  width: 100%;
  transform: scale(0.96);
  transition: transform 0.3s;
}

.lightbox.active .lightbox-content { transform: scale(1); }

.lightbox-content img {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  display: block;
}

.lightbox-caption {
  text-align: center;
  color: #acbcbf;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 1.2rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
}

.lightbox-close {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(27,45,58,0.8);
  border: 1px solid rgba(205,221,226,0.25);
  color: #f4fcfb;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  clip-path: polygon(4px 0%, 100% 0%, calc(100% - 4px) 100%, 0% 100%);
  z-index: 9001;
}

.lightbox-close:hover {
  background: var(--accent);
  border-color: var(--accent);
}

/* ---- ANIMATIONS ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-content > * {
  animation: fadeUp 0.7s ease both;
}

.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.25s; }
.hero-content > *:nth-child(3) { animation-delay: 0.4s; }
.hero-content > *:nth-child(4) { animation-delay: 0.55s; }

/* ---- DIVIDER ---- */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  max-width: 1280px;
  margin: 0 auto;
}

/* ---- MOBILE ---- */
@media (max-width: 1024px) {
  .container { padding: 0 2rem; }
  .nav-inner { padding-top: 1rem; padding-bottom: 1rem; }

  /* Hamburger visible, nav menu becomes full-screen overlay */
  .nav-hamburger { display: flex; }

  nav ul {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--panel);
    z-index: 90;           /* below nav bar (z-index:100) so logo+hamburger stay on top */
    padding: 5.5rem 2rem 3rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s ease;
    overflow-y: auto;
  }

  nav ul.open {
    opacity: 1;
    pointer-events: all;
  }

  nav ul li {
    border-bottom: 1px solid var(--border);
  }

  nav ul li:first-child { border-top: 1px solid var(--border); }

  nav ul li a {
    display: block;
    padding: 1.1rem 0;
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    color: var(--white);
  }

  nav ul li a:hover { color: var(--accent); }

  .nav-cta {
    clip-path: none !important;
    display: block;
    text-align: center;
    margin-top: 1.5rem;
    padding: 1rem 0 !important;
    border-radius: 3px;
  }

  /* Layout adjustments */
  .hero-inner { grid-template-columns: 1fr; padding-top: 7rem; padding-bottom: 3rem; }
  .hero-visual { display: none; }
  section { padding: 4rem 0; }
  #referenzen { padding: 4rem 0; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card-img { width: calc(100% + 5rem); margin: -2.5rem -2.5rem 1.8rem; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item.large { grid-column: span 2; }
  .advantages-layout, .industrie-layout, .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .process-steps::before { display: none; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .footer-brand { grid-column: span 2; }
  .adv-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .container { padding: 0 1.25rem; }
  section { padding: 3rem 0; }
  h2 { font-size: 2rem; }
  .hero-inner { padding-top: 6rem; padding-bottom: 2.5rem; }
  h1 { font-size: clamp(2.6rem, 10vw, 4.5rem); }
  .stats-row { grid-template-columns: repeat(3, 1fr); }
  .service-card { padding: 1.75rem; }
  .service-card-img { width: calc(100% + 3.5rem); margin: -1.75rem -1.75rem 1.5rem; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.large { grid-column: span 1; }
  .process-steps { grid-template-columns: 1fr; }
  .tech-spec-box { padding: 1.5rem; }
  .footer-cols { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand { grid-column: span 1; }
  .footer-brand p { max-width: 100%; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
  .lightbox { padding: 1rem; }
}