/* ============================================================
   GASTROAIR – COMPLETE REDESIGN
   Modern & Clean | Logo: Gastro(#111) + Air(#2475B4)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,800;1,800&display=swap');

/* ── 1. VARIABLES ─────────────────────────────────────── */
:root {
  --blue:        #2475B4;
  --blue-dark:   #1E5F90;
  --blue-light:  #EBF4FB;
  --navy:        #0B1D30;
  --navy-mid:    #122840;
  --black:       #111111;
  --text:        #2D2D2D;
  --text-light:  #637180;
  --bg:          #F5F7F9;
  --border:      #DDE3EA;
  --white:       #FFFFFF;

  --radius-sm:   6px;
  --radius:      10px;
  --radius-lg:   18px;
  --shadow-sm:   0 1px 6px rgba(0,0,0,0.07);
  --shadow:      0 4px 20px rgba(0,0,0,0.09);
  --shadow-lg:   0 12px 40px rgba(0,0,0,0.14);
  --transition:  0.28s ease;

  --max-w:       1160px;
  --font:        -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

/* ── 2. RESET ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text); background: var(--white); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-dark); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: var(--font); border: none; background: none; }

/* ── 3. TYPOGRAPHY ────────────────────────────────────── */
h1, h2, h3, h4 { color: var(--black); font-weight: 800; line-height: 1.15; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.2rem; font-weight: 700; }
h4 { font-size: 1rem; font-weight: 700; }
p { line-height: 1.75; color: var(--text); }

/* ── 4. LAYOUT ────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}
section { padding: 6rem 0; }
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-light);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}
.section-header {
  max-width: 640px;
  margin-bottom: 3.5rem;
}
.section-header.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.section-header p {
  margin-top: 1rem;
  font-size: 1.05rem;
  color: var(--text-light);
}

/* ── 5. BUTTONS ───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--blue-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(61,136,190,0.35);
}
.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.45);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.8);
  color: var(--white);
}
.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 2px solid var(--blue);
}
.btn-outline:hover {
  background: var(--blue);
  color: var(--white);
  transform: translateY(-2px);
}
.btn-lg { padding: 1rem 2.2rem; font-size: 1.05rem; }
.btn-arrow::after { content: ' →'; }

/* ── 6. NAVBAR ────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 2rem;
}
/* Logo – actual SVG wordmark */
.nav-logo {
  text-decoration: none;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.nav-logo img {
  height: 30px;
  width: auto;
  display: block;
}
/* Fallback spans (used in footer/about) */
.nav-logo .gastro { color: var(--black); font-style: normal; }
.nav-logo .air    { color: var(--blue);  font-style: italic; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--blue);
  background: var(--blue-light);
}
.nav-links .btn-shop {
  background: var(--navy);
  color: var(--white);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  margin-left: 0.5rem;
}
.nav-links .btn-shop:hover {
  background: var(--blue);
  color: var(--white);
}

/* Language dropdown */
.lang-dropdown {
  position: relative;
  flex-shrink: 0;
}
.lang-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.32rem 0.65rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  color: var(--text);
  transition: border-color var(--transition), color var(--transition);
  font-family: inherit;
  line-height: 1;
  white-space: nowrap;
}
.lang-btn:hover,
.lang-dropdown.open .lang-btn {
  border-color: var(--blue);
  color: var(--blue);
}
.lang-chevron {
  transition: transform var(--transition);
}
.lang-dropdown.open .lang-chevron {
  transform: rotate(180deg);
}
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 148px;
  list-style: none;
  padding: 0.35rem 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 200;
}
.lang-dropdown.open .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-menu li { list-style: none; }
.lang-menu a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.5rem 0.9rem;
  font-size: 0.88rem;
  color: var(--text);
  transition: background var(--transition), color var(--transition);
  font-weight: 500;
  text-decoration: none;
}
.lang-menu a:hover {
  background: var(--blue-light);
  color: var(--blue);
}
.lang-menu a.lang-active {
  color: var(--blue);
  font-weight: 700;
}
.lang-menu a.lang-active::after {
  content: '✓';
  margin-left: auto;
  font-size: 0.75rem;
  opacity: 0.7;
}
@media (max-width: 768px) {
  .nav-inner { justify-content: flex-start; }
  .lang-dropdown { order: 2; margin-left: auto; margin-right: 0.4rem; }
  .hamburger { order: 3; }
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.hamburger:hover { background: var(--bg); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── 7. HERO ──────────────────────────────────────────── */
.hero {
  position: relative;
  background: linear-gradient(145deg, var(--navy) 0%, var(--navy-mid) 55%, #1A3D5C 100%);
  color: var(--white);
  padding: 7rem 0 6rem;
  overflow: hidden;
  min-height: 88vh;
  display: flex;
  align-items: center;
}
/* Subtle geometric background pattern */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 75% 30%, rgba(61,136,190,0.18) 0%, transparent 55%),
    radial-gradient(circle at 10% 80%, rgba(61,136,190,0.10) 0%, transparent 45%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -55deg,
    transparent,
    transparent 80px,
    rgba(255,255,255,0.012) 80px,
    rgba(255,255,255,0.012) 81px
  );
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-content { max-width: 700px; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(61,136,190,0.15);
  border: 1px solid rgba(61,136,190,0.3);
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}
.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
}
.hero h1 em {
  color: var(--blue);
  font-style: normal;
}
.hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 2.5rem;
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
/* Floating certification badge */
.hero-badge {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 220px;
}
.hero-badge-item { text-align: center; }
.hero-badge-item .num {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.hero-badge-item .label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}
.hero-badge-divider {
  width: 100%;
  height: 1px;
  background: rgba(255,255,255,0.1);
}
.hero-cert {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
}
.hero-cert strong {
  display: block;
  font-size: 0.85rem;
  color: var(--blue);
  font-weight: 700;
  margin-bottom: 0.15rem;
}

/* ── 8. STATS BAR ─────────────────────────────────────── */
.stats-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.stats-bar .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  padding: 1.8rem 2rem;
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.stat-item:last-child { border-right: none; }
.stat-icon {
  width: 42px;
  height: 42px;
  background: var(--blue-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--blue);
}
.stat-icon svg { width: 20px; height: 20px; }
.stat-text .num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--black);
  line-height: 1;
}
.stat-text .lbl {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.2rem;
}

/* ── 9. SERVICES ──────────────────────────────────────── */
.services { background: var(--bg); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 52px;
  height: 52px;
  background: var(--blue-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--blue);
  transition: all var(--transition);
}
.service-card:hover .service-icon {
  background: var(--blue);
  color: var(--white);
}
.service-icon svg { width: 26px; height: 26px; }
.service-card h3 { margin-bottom: 0.75rem; color: var(--black); }
.service-card p { font-size: 0.95rem; color: var(--text-light); margin-bottom: 1.5rem; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue);
}
.service-link::after { content: '→'; transition: transform var(--transition); }
.service-card:hover .service-link::after { transform: translateX(4px); }

/* ── 10. ABOUT ────────────────────────────────────────── */
.about { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-visual {
  background: linear-gradient(145deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: var(--radius-lg);
  padding: 3rem;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.about-visual::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: rgba(61,136,190,0.15);
  border-radius: 50%;
}
.about-visual-logo {
  font-family: 'Barlow Condensed', var(--font);
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin-bottom: 2rem;
  position: relative;
}
.about-visual-logo .gastro { color: var(--white); font-style: normal; }
.about-visual-logo .air    { color: var(--blue); font-style: italic; }
.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
}
.about-highlight {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
}
.about-highlight-icon {
  color: var(--blue);
  flex-shrink: 0;
  margin-top: 2px;
}
.about-highlight-icon svg { width: 18px; height: 18px; }
.about-highlight strong {
  display: block;
  font-size: 0.9rem;
  color: var(--white);
  font-weight: 600;
  margin-bottom: 0.1rem;
}
.about-highlight span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}
.about-text h2 { margin-bottom: 1rem; }
.about-text > p { color: var(--text-light); margin-bottom: 2rem; font-size: 1.02rem; }
.check-list { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 2rem; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text);
}
.check-list li svg {
  color: var(--blue);
  flex-shrink: 0;
  margin-top: 3px;
  width: 18px;
  height: 18px;
}

/* ── 11. CTA SECTION ──────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: var(--white);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(61,136,190,0.2) 0%, transparent 65%);
}
.cta-section .container { position: relative; }
.cta-section h2 { color: var(--white); margin-bottom: 1rem; }
.cta-section p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto 2.5rem;
}
.cta-buttons { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* ── 12. PAGE HERO (Unterseiten) ──────────────────────── */
.page-hero {
  background: linear-gradient(145deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: var(--white);
  padding: 4.5rem 0;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 50%, rgba(61,136,190,0.15) 0%, transparent 55%);
}
.page-hero .container { position: relative; }
.page-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1rem;
}
.page-hero h1 { color: var(--white); margin-bottom: 1rem; }
.page-hero p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  max-width: 600px;
}

/* ── 13. CONTENT SECTIONS ─────────────────────────────── */
.content-section { padding: 5rem 0; }
.content-section.bg-light { background: var(--bg); }
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.feature-card h4 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--blue);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}
.feature-card p { font-size: 0.9rem; color: var(--text-light); }

.check-list-2 { display: flex; flex-direction: column; gap: 0.6rem; }
.check-list-2 li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}
.check-list-2 li:last-child { border-bottom: none; }
.check-list-2 li svg { color: var(--blue); flex-shrink: 0; margin-top: 2px; width: 17px; height: 17px; }

.info-box {
  background: var(--blue-light);
  border-left: 4px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}
.info-box p { font-size: 0.92rem; color: var(--text); margin: 0; }

.download-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ── 14. FORM ─────────────────────────────────────────── */
.form-section { background: var(--bg); }
.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  max-width: 640px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.25rem; }
.form-group label { font-size: 0.875rem; font-weight: 600; color: var(--text); }
.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(61,136,190,0.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-light);
}
.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 1px;
  flex-shrink: 0;
  accent-color: var(--blue);
}
.form-message {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
  margin-top: 1rem;
}
.form-message.success {
  display: block;
  background: #D1FAE5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}
.form-message.error {
  display: block;
  background: #FEE2E2;
  color: #991B1B;
  border: 1px solid #FECACA;
}

/* ── 15. CONTACT PAGE ─────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: start;
}
.contact-info-card {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  color: var(--white);
  position: sticky;
  top: 90px;
}
.contact-info-card h3 { color: var(--white); margin-bottom: 2rem; }
.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.75rem;
}
.contact-item svg { color: var(--blue); flex-shrink: 0; margin-top: 2px; width: 20px; height: 20px; }
.contact-item .ci-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
  font-weight: 600;
  margin-bottom: 0.2rem;
}
.contact-item .ci-val {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
}
.contact-item a { color: rgba(255,255,255,0.85); }
.contact-item a:hover { color: var(--blue); }
.contact-divider { height: 1px; background: rgba(255,255,255,0.1); margin: 1.5rem 0; }

/* ── 16. FOOTER ───────────────────────────────────────── */
.footer {
  background: #0A0A0A;
  color: rgba(255,255,255,0.78);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 2rem;
}
.footer-brand .logo {
  display: block;
  margin-bottom: 0.75rem;
  text-decoration: none;
}
.footer-brand .logo img { height: 28px; width: auto; display: block; }
.footer-brand p { font-size: 0.875rem; line-height: 1.65; max-width: 280px; color: rgba(255,255,255,0.75); }
.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.85);
  margin-bottom: 1.25rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col ul li a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--blue); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.55); }
.footer-legal {
  display: flex;
  gap: 1.5rem;
}
.footer-legal a { font-size: 0.8rem; color: rgba(255,255,255,0.6); }
.footer-legal a:hover { color: rgba(255,255,255,0.8); }

/* VdF Membership Badge */
.vdf-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  margin-top: 1.25rem;
  padding: 0.625rem 0.875rem;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background var(--transition);
}
.vdf-badge:hover { background: rgba(255,255,255,0.12); }
.vdf-badge img { height: 64px; width: auto; display: block; border-radius: 4px; }
.vdf-badge-label { font-size: 0.72rem; color: rgba(255,255,255,0.55); text-transform: uppercase; letter-spacing: 0.06em; }

/* In about-visual (dark card): badge at bottom */
.about-badge {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.about-badge img { height: 56px; width: auto; border-radius: 4px; }
.about-badge-text { font-size: 0.75rem; color: rgba(255,255,255,0.6); line-height: 1.4; }
.about-badge-text strong { color: rgba(255,255,255,0.9); display: block; font-size: 0.8rem; }

/* ── 17. ANIMATIONS ───────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ── 18. UTILITIES ────────────────────────────────────── */
.text-blue { color: var(--blue); }
.text-light { color: var(--text-light); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

/* ── 19. RESPONSIVE ───────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-badge { display: none; }
  .about-grid { gap: 3rem; }
  .stats-bar .container { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-top: 1px solid var(--border); }
  .stat-item:nth-child(4) { border-right: none; border-top: 1px solid var(--border); }
}

@media (max-width: 900px) {
  section { padding: 4rem 0; }
  .services-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-info-card { position: static; }
  .two-col { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.5rem 1.5rem;
    border-top: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.75rem 0.5rem; border-radius: 0; border-bottom: 1px solid var(--border); }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links .btn-shop { margin-left: 0; margin-top: 0.5rem; text-align: center; }
  .hero { min-height: 70vh; padding: 5rem 0 4rem; }
  .hero-buttons { flex-direction: column; }
  .stats-bar .container { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .stats-bar .container { grid-template-columns: 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
  .stat-item:last-child { border-bottom: none; }
}

/* ── 20. HERO WITH PHOTO ─────────────────────────────── */
.hero {
  background:
    radial-gradient(circle at 75% 25%, rgba(61,136,190,0.14) 0%, transparent 50%),
    linear-gradient(155deg, rgba(11,29,48,0.92) 0%, rgba(18,40,64,0.88) 55%, rgba(26,61,92,0.82) 100%),
    url('/images/hero-bg.jpg') center/cover no-repeat,
    var(--navy);
}
/* remove old pseudo-element backgrounds when photo is loaded */
.hero::before { background-image: none; }
.hero::after  { display: none; }

/* ── 21. IMAGE SLIDER ─────────────────────────────────── */
.einblicke { background: var(--navy); padding: 5rem 0; color: var(--white); }
.einblicke .section-header { max-width: 100%; }
.einblicke .section-header h2 { color: var(--white); }
.einblicke .section-header p  { color: rgba(255,255,255,0.65); }
.einblicke .section-tag {
  color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
}

.project-slider {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  line-height: 0;
  box-shadow: var(--shadow-lg);
}
.slider-track {
  display: flex;
  transition: transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}
.slider-slide {
  min-width: 100%;
  position: relative;
  aspect-ratio: 16/7;
  background: linear-gradient(145deg, #122840 0%, #0B1D30 100%);
}
.slider-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.slider-slide img[src=""],
.slider-slide img:not([src]) { display: none; }
.slide-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.68));
  padding: 3.5rem 2rem 1.5rem;
  color: white;
  font-size: 0.95rem;
  line-height: 1.4;
  font-weight: 500;
}
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.92);
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 10;
  border: none;
  color: var(--black);
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
  transition: all 0.2s;
}
.slider-btn:hover { background: white; transform: translateY(-50%) scale(1.08); }
.slider-btn.prev { left: 1.25rem; }
.slider-btn.next { right: 1.25rem; }
.slider-dots {
  position: absolute;
  bottom: 1.25rem; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 0.5rem;
  z-index: 10;
}
.slider-dot {
  width: 8px; height: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.45);
  cursor: pointer;
  transition: all 0.3s;
  border: none; padding: 0;
}
.slider-dot.active { background: white; width: 24px; }

/* ── 22. IMAGE GALLERY ────────────────────────────────── */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.875rem;
  margin-top: 2.5rem;
}
.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  cursor: zoom-in;
  background: var(--bg);
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11,29,48,0);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.3s;
  color: white;
}
.gallery-item:hover .gallery-overlay { background: rgba(11,29,48,0.32); }
.gallery-overlay svg { opacity: 0; transition: opacity 0.3s; }
.gallery-item:hover .gallery-overlay svg { opacity: 1; }

/* ── 23. LIGHTBOX ─────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.93);
  z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox-img {
  max-width: 92vw; max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
  transform: scale(0.96);
  transition: transform 0.3s;
}
.lightbox.open .lightbox-img { transform: scale(1); }
.lightbox-close {
  position: fixed;
  top: 1.5rem; right: 1.5rem;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  border: none;
  transition: background 0.2s;
}
.lightbox-close:hover { background: rgba(255,255,255,0.22); }

@media (max-width: 768px) {
  .slider-btn { display: none; }
  .image-gallery { grid-template-columns: repeat(2, 1fr); }
  .einblicke { padding: 3.5rem 0; }
}
@media (max-width: 480px) {
  .image-gallery { grid-template-columns: 1fr; }
}

/* ── 24. STAT COUNTER NUMBERS ────────────────────────── */
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--blue);
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-text .lbl {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.2rem;
}
.stat-item {
  transition: background var(--transition);
}
.stat-item:hover {
  background: var(--blue-light);
}

/* ── 25. PROZESS-ZEITLINIE ───────────────────────────── */
.prozess-section {
  background: var(--bg);
  padding: 6rem 0;
}
.prozess-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 3rem;
}
.prozess-line {
  position: absolute;
  top: 28px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}
.prozess-line-fill {
  height: 100%;
  width: 0%;
  background: var(--blue);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.prozess-line-fill.animated { width: 100%; }
.prozess-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 0.75rem;
  cursor: default;
}
.prozess-icon {
  width: 56px;
  height: 56px;
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  margin-bottom: 0.75rem;
  transition: all 0.35s ease;
  flex-shrink: 0;
}
.prozess-icon svg { width: 22px; height: 22px; }
.prozess-step:hover .prozess-icon {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
  transform: scale(1.12);
  box-shadow: 0 6px 20px rgba(36,117,180,0.35);
}
.prozess-num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue);
  margin-bottom: 0.5rem;
  opacity: 0.7;
}
.prozess-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 0.4rem;
}
.prozess-content p {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.55;
}
@media (max-width: 768px) {
  .prozess-timeline {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .prozess-line { display: none; }
  .prozess-step {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border);
  }
  .prozess-step:last-child { border-bottom: none; }
  .prozess-icon { margin-bottom: 0; flex-shrink: 0; }
  .prozess-content { padding-top: 0.1rem; }
}