/* ==========================================================================
   NIEHANS ZELLEN — Design System
   ========================================================================== */

:root {
  /* Brand colors (derived from logo: graphite, mint green, light green, white) */
  --zellen-green: #2fae84;
  --zellen-green-light: #7fd9b6;
  --zellen-green-dark: #1d6f56;
  --zellen-gray: #5b6670;
  --zellen-dark: #26313a;
  --zellen-white: #ffffff;
  --zellen-background: #f6f9f8;

  --zellen-green-soft: rgba(47, 174, 132, 0.08);
  --zellen-green-soft-2: rgba(47, 174, 132, 0.16);
  --zellen-border: rgba(38, 49, 58, 0.08);
  --zellen-shadow: 0 20px 45px rgba(38, 49, 58, 0.08);
  --zellen-shadow-soft: 0 10px 30px rgba(38, 49, 58, 0.06);

  --font-heading: 'Plus Jakarta Sans', 'Montserrat', sans-serif;
  --font-body: 'Inter', 'Open Sans', sans-serif;

  --container-max: 1280px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;
  --transition-base: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--zellen-dark);
  background-color: var(--zellen-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--zellen-dark);
  letter-spacing: -0.01em;
}

p { max-width: 62ch; }

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.container-xl { max-width: var(--container-max); margin: 0 auto; padding: 0 1.25rem; }

section { padding: clamp(3.5rem, 7vw, 7rem) 0; }

.bg-soft { background-color: var(--zellen-background); }
.bg-green-soft { background: linear-gradient(180deg, var(--zellen-green-soft) 0%, rgba(47,174,132,0.03) 100%); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--zellen-green-dark);
  margin-bottom: 0.75rem;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--zellen-green);
  display: inline-block;
}

.section-title {
  font-size: clamp(1.9rem, 3.4vw, 2.75rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-lead { color: var(--zellen-gray); font-size: 1.05rem; max-width: 56ch; }

.section-header { margin-bottom: clamp(2rem, 4vw, 3.25rem); }

/* Buttons */
.btn-zellen {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  white-space: nowrap;
}
.btn-zellen:active { transform: translateY(1px); }

.btn-zellen-primary {
  background: linear-gradient(135deg, var(--zellen-green) 0%, var(--zellen-green-dark) 100%);
  color: var(--zellen-white);
  box-shadow: 0 12px 24px rgba(47, 174, 132, 0.3);
}
.btn-zellen-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(47, 174, 132, 0.38); color: var(--zellen-white); }

.btn-zellen-outline {
  background: transparent;
  color: var(--zellen-dark);
  border-color: rgba(38, 49, 58, 0.18);
}
.btn-zellen-outline:hover { background: var(--zellen-dark); color: var(--zellen-white); transform: translateY(-2px); }

.btn-zellen-light {
  background: rgba(255,255,255,0.14);
  color: var(--zellen-white);
  border-color: rgba(255,255,255,0.4);
  backdrop-filter: blur(6px);
}
.btn-zellen-light:hover { background: rgba(255,255,255,0.26); color: var(--zellen-white); transform: translateY(-2px); }

.btn-sm-pill {
  font-size: 0.82rem;
  padding: 0.6rem 1.3rem;
}

/* ==========================================================================
   Header
   ========================================================================== */
.zellen-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.0);
  padding: 1.1rem 0;
  transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
}
.zellen-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 30px rgba(38, 49, 58, 0.08);
  padding: 0.65rem 0;
}
.zellen-header .nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.zellen-logo { display: flex; align-items: center; gap: 0.6rem; transition: transform var(--transition-base); }
.zellen-header.is-scrolled .zellen-logo { transform: scale(0.92); }
.zellen-logo-img { height: 38px; width: auto; }
.zellen-logo-text { font-family: var(--font-heading); font-weight: 800; font-size: 1.05rem; letter-spacing: 0.03em; color: var(--zellen-dark); line-height: 1.1; }
.zellen-logo-text span { display: block; font-size: 0.62rem; font-weight: 600; color: var(--zellen-green-dark); letter-spacing: 0.12em; text-transform: uppercase; }

.zellen-nav { display: none; }
.zellen-nav ul { display: flex; gap: 1.8rem; list-style: none; margin: 0; padding: 0; }
.zellen-nav a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--zellen-dark);
  position: relative;
  padding: 0.4rem 0;
}
.zellen-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--zellen-green);
  transition: width var(--transition-base);
}
.zellen-nav a:hover::after { width: 100%; }

.zellen-header-actions { display: flex; align-items: center; gap: 0.75rem; }

.zellen-burger {
  display: inline-flex;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--zellen-border);
  background: var(--zellen-white);
}
.zellen-burger span, .zellen-burger::before, .zellen-burger::after { display: none; }

@media (min-width: 992px) {
  .zellen-nav { display: block; }
  .zellen-burger { display: none; }
}

/* Mobile menu */
.zellen-mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: var(--zellen-white);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  padding: 1.5rem 1.5rem 2rem;
  overflow-y: auto;
}
.zellen-mobile-menu.is-open { transform: translateX(0); }
.zellen-mobile-menu .close-menu {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--zellen-border);
  display: flex; align-items: center; justify-content: center;
  margin-left: auto;
}
.zellen-mobile-menu ul { list-style: none; padding: 0; margin: 2rem 0; }
.zellen-mobile-menu li { border-bottom: 1px solid var(--zellen-border); }
.zellen-mobile-menu a { display: block; padding: 1rem 0; font-size: 1.15rem; font-weight: 600; }

/* ==========================================================================
   Hero
   ========================================================================== */
.zellen-hero {
  position: relative;
  min-height: 70vh;
  height: 75vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--zellen-white);
}
@media (min-width: 768px) { .zellen-hero { height: 88vh; align-items: center; } }

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.1s ease;
  background-size: cover;
  background-position: center;
}
.hero-slide.is-active { opacity: 1; z-index: 1; }
.hero-slide::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(23,32,29,0.35) 0%, rgba(20,29,26,0.78) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}
@media (min-width: 768px) { .hero-content { padding-bottom: 0; } }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(6px);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
}
.hero-title {
  font-size: clamp(2.1rem, 5.5vw, 4rem);
  line-height: 1.08;
  max-width: 16ch;
  margin-bottom: 1.1rem;
  color: var(--zellen-white);
}
.hero-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  max-width: 48ch;
  color: rgba(255,255,255,0.88);
  margin-bottom: 2rem;
}
.hero-cta-group { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 2.5rem; }

.hero-indicators {
  display: flex;
  gap: 0.5rem;
  position: absolute;
  bottom: clamp(1.25rem, 3vw, 2.5rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}
@media (min-width: 992px) { .hero-indicators { left: auto; right: clamp(1.5rem, 4vw, 4rem); transform: none; } }
.hero-indicators button {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none;
  padding: 0;
  transition: background var(--transition-base), width var(--transition-base);
}
.hero-indicators button.is-active { background: var(--zellen-green-light); width: 26px; border-radius: 999px; }

/* ==========================================================================
   Value proposition cards
   ========================================================================== */
.value-card {
  background: var(--zellen-white);
  border-radius: var(--radius-md);
  padding: 2.1rem 1.75rem;
  height: 100%;
  border: 1px solid var(--zellen-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--zellen-shadow);
  border-color: transparent;
}
.value-card .icon-wrap {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: var(--zellen-green-soft);
  color: var(--zellen-green-dark);
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  transition: background var(--transition-base), color var(--transition-base);
}
.value-card:hover .icon-wrap { background: var(--zellen-green); color: var(--zellen-white); }
.value-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.value-card p { color: var(--zellen-gray); font-size: 0.95rem; margin-bottom: 0; }

/* ==========================================================================
   Placeholder images
   ========================================================================== */
.ph-img {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  min-height: 220px;
  color: rgba(255,255,255,0.92);
}
.ph-img::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.18), transparent 45%),
    radial-gradient(circle at 80% 85%, rgba(255,255,255,0.12), transparent 50%);
}
.ph-img .ph-label {
  position: relative;
  z-index: 1;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 1rem;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.35));
  width: 100%;
}
.ph-tone-1 { background: linear-gradient(135deg, #1d6f56 0%, #2fae84 60%, #7fd9b6 100%); }
.ph-tone-2 { background: linear-gradient(135deg, #26313a 0%, #45555f 60%, #2fae84 130%); }
.ph-tone-3 { background: linear-gradient(135deg, #2fae84 0%, #26313a 100%); }
.ph-tone-4 { background: linear-gradient(135deg, #5b6670 0%, #2fae84 100%); }

/* ==========================================================================
   About section
   ========================================================================== */
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 2rem; }
.about-stat {
  background: var(--zellen-background);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.25rem;
  border-left: 3px solid var(--zellen-green);
}
.about-stat strong { display: block; font-family: var(--font-heading); font-size: 1.3rem; color: var(--zellen-dark); }
.about-stat span { font-size: 0.82rem; color: var(--zellen-gray); }

.about-media { position: relative; }
.about-media .ph-img { min-height: 340px; }
.about-media::after {
  content: "";
  position: absolute;
  width: 140px; height: 140px;
  border: 2px solid var(--zellen-green-light);
  border-radius: 50%;
  top: -24px; right: -24px;
  z-index: -1;
  opacity: 0.5;
}

/* ==========================================================================
   Services
   ========================================================================== */
.service-card {
  background: var(--zellen-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--zellen-border);
  height: 100%;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--zellen-shadow); }
.service-card .ph-img { border-radius: 0; min-height: 200px; }
.service-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.service-category {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--zellen-green-dark);
  margin-bottom: 0.5rem;
}
.service-card h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.service-card p { color: var(--zellen-gray); font-size: 0.93rem; flex: 1; }
.service-card .service-link {
  margin-top: 1rem;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--zellen-green-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.service-card .service-link i { transition: transform var(--transition-base); }
.service-card:hover .service-link i { transform: translateX(4px); }

/* ==========================================================================
   Highlight / CTA band
   ========================================================================== */
.highlight-section {
  background: linear-gradient(135deg, rgba(47,174,132,0.12), rgba(127,217,182,0.18));
  border-radius: var(--radius-lg);
  margin: 0 1.25rem;
  padding: clamp(2.5rem, 6vw, 4.5rem);
  overflow: hidden;
}
@media (min-width: 768px) { .highlight-section { margin: 0 auto; max-width: var(--container-max); } }

/* ==========================================================================
   Editorial sections (regenerative medicine / longevity)
   ========================================================================== */
.editorial-media .ph-img { min-height: 380px; }
.longevity-section { background: var(--zellen-dark); color: var(--zellen-white); border-radius: var(--radius-lg); margin: 0 1.25rem; padding: clamp(2.5rem, 6vw, 4.5rem); }
@media (min-width: 768px) { .longevity-section { margin: 0 auto; max-width: var(--container-max); } }
.longevity-section .section-title, .longevity-section .eyebrow { color: var(--zellen-white); }
.longevity-section .eyebrow { color: var(--zellen-green-light); }
.longevity-section p { color: rgba(255,255,255,0.78); }
.longevity-numbers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 2rem; }
@media (min-width: 768px) { .longevity-numbers { grid-template-columns: repeat(4, 1fr); } }
.longevity-numbers .num { font-family: var(--font-heading); font-size: clamp(1.8rem, 3vw, 2.6rem); color: var(--zellen-green-light); }
.longevity-numbers .lbl { font-size: 0.82rem; color: rgba(255,255,255,0.7); }

/* ==========================================================================
   Process
   ========================================================================== */
.process-track { display: grid; gap: 2rem; grid-template-columns: 1fr; position: relative; }
@media (min-width: 992px) {
  .process-track { grid-template-columns: repeat(4, 1fr); }
  .process-track::before {
    content: "";
    position: absolute;
    top: 28px; left: 8%; right: 8%;
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--zellen-green-light) 0 10px, transparent 10px 20px);
    z-index: 0;
  }
}
.process-step { position: relative; z-index: 1; text-align: left; }
.process-step .step-number {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--zellen-white);
  border: 2px solid var(--zellen-green);
  color: var(--zellen-green-dark);
  font-family: var(--font-heading);
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.1rem;
}
.process-step h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.process-step p { color: var(--zellen-gray); font-size: 0.9rem; }

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonial-track { display: flex; transition: transform 0.6s cubic-bezier(0.22,1,0.36,1); }
.testimonial-viewport { overflow: hidden; }
.testimonial-slide { flex: 0 0 100%; padding: 0 0.5rem; }
@media (min-width: 992px) { .testimonial-slide { flex: 0 0 33.333%; } }
.testimonial-card {
  background: var(--zellen-background);
  border-radius: var(--radius-md);
  padding: 2rem;
  height: 100%;
}
.testimonial-stars { color: var(--zellen-green); letter-spacing: 0.1em; margin-bottom: 1rem; }
.testimonial-card p.quote { font-style: italic; color: var(--zellen-dark); margin-bottom: 1.25rem; }
.testimonial-name { font-weight: 700; font-size: 0.9rem; }
.testimonial-controls { display: flex; gap: 0.75rem; justify-content: center; margin-top: 2rem; }
.carousel-nav-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--zellen-border);
  background: var(--zellen-white);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition-base), color var(--transition-base);
}
.carousel-nav-btn:hover { background: var(--zellen-green); color: var(--zellen-white); }

/* ==========================================================================
   Gallery
   ========================================================================== */
.gallery-filters { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2rem; }
.gallery-filter-btn {
  border: 1px solid var(--zellen-border);
  background: var(--zellen-white);
  padding: 0.5rem 1.2rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}
.gallery-filter-btn.is-active, .gallery-filter-btn:hover {
  background: var(--zellen-green);
  color: var(--zellen-white);
  border-color: var(--zellen-green);
}
.gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (min-width: 768px) { .gallery-grid { grid-template-columns: repeat(4, 1fr); } }
.gallery-item { cursor: pointer; }
.gallery-item .ph-img { min-height: 160px; border-radius: var(--radius-sm); }
.gallery-item > img { width: 100%; height: 220px; object-fit: cover; border-radius: var(--radius-sm); }
@media (min-width: 768px) { .gallery-item .ph-img { min-height: 220px; } }
.gallery-item.is-hidden { display: none; }

.lightbox-overlay {
  position: fixed; inset: 0;
  background: rgba(20,29,26,0.92);
  z-index: 1200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lightbox-overlay.is-open { display: flex; }
.lightbox-overlay .ph-img { width: min(900px, 100%); min-height: 60vh; border-radius: var(--radius-md); }
#lightboxImage { display: flex; align-items: center; justify-content: center; overflow: hidden; }
#lightboxPhoto { max-width: 100%; max-height: 60vh; object-fit: contain; }
#lightboxPhoto[hidden] { display: none; }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  color: var(--zellen-white);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.3);
}
.lightbox-close { top: 1.5rem; right: 1.5rem; }
.lightbox-prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 1.5rem; top: 50%; transform: translateY(-50%); }

/* ==========================================================================
   Videos
   ========================================================================== */
.video-card { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--zellen-border); }
.video-card .ph-img { min-height: 190px; border-radius: 0; }
.video-card .position-relative > img { width: 100%; height: 190px; object-fit: cover; }
.video-play-btn {
  position: absolute; z-index: 2;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  color: var(--zellen-green-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  transition: transform var(--transition-base);
}
.video-card:hover .video-play-btn { transform: translate(-50%, -50%) scale(1.08); }
.video-card-body { padding: 1.25rem 1.5rem; }
.video-card-body h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.video-card-body p { font-size: 0.88rem; color: var(--zellen-gray); margin-bottom: 0; }

.video-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(20,29,26,0.92);
  z-index: 1200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.video-modal-overlay.is-open { display: flex; }
.video-modal-box { width: min(900px, 100%); aspect-ratio: 16/9; background: #000; border-radius: var(--radius-md); overflow: hidden; position: relative; }
.video-modal-box iframe { width: 100%; height: 100%; border: 0; }
.video-modal-close { position: absolute; top: -50px; right: 0; color: var(--zellen-white); width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.3); border-radius: 50%; }

/* ==========================================================================
   Differentiators
   ========================================================================== */
.differentiator-item { display: flex; align-items: center; gap: 1rem; padding: 1.25rem 0; border-bottom: 1px solid var(--zellen-border); }
.differentiator-item .icon-wrap {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--zellen-green-soft);
  color: var(--zellen-green-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.differentiator-item h3 { font-size: 1rem; margin: 0; }

/* ==========================================================================
   Instagram
   ========================================================================== */
.instagram-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
@media (min-width: 768px) { .instagram-grid { grid-template-columns: repeat(6, 1fr); } }
.instagram-grid .ph-img { min-height: 110px; border-radius: var(--radius-sm); }
@media (min-width: 768px) { .instagram-grid .ph-img { min-height: 150px; } }

/* ==========================================================================
   Final CTA
   ========================================================================== */
.final-cta {
  position: relative;
  border-radius: var(--radius-lg);
  margin: 0 1.25rem;
  overflow: hidden;
  padding: clamp(3rem, 8vw, 6rem) clamp(1.5rem, 5vw, 4rem);
  color: var(--zellen-white);
  text-align: center;
}
@media (min-width: 768px) { .final-cta { margin: 0 auto; max-width: var(--container-max); } }
.final-cta .cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin-top: 2rem; }

/* ==========================================================================
   Location
   ========================================================================== */
.location-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 992px) { .location-grid { grid-template-columns: 1fr 1fr; align-items: stretch; } }
.location-map { border-radius: var(--radius-md); overflow: hidden; min-height: 320px; background: var(--zellen-background); }
.location-map iframe { width: 100%; height: 100%; min-height: 320px; border: 0; }
.location-info-item { display: flex; gap: 1rem; margin-bottom: 1.25rem; }
.location-info-item .icon-wrap {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--zellen-green-soft); color: var(--zellen-green-dark);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.location-info-item strong { display: block; font-size: 0.95rem; }
.location-info-item span { color: var(--zellen-gray); font-size: 0.9rem; }

/* ==========================================================================
   Contact form
   ========================================================================== */
.zellen-form .form-control, .zellen-form .form-select {
  border-radius: var(--radius-sm);
  border: 1px solid var(--zellen-border);
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
}
.zellen-form .form-control:focus, .zellen-form .form-select:focus {
  border-color: var(--zellen-green);
  box-shadow: 0 0 0 0.2rem var(--zellen-green-soft-2);
}
.zellen-form label { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.4rem; }
.zellen-form .form-check-label { font-size: 0.85rem; color: var(--zellen-gray); }
.form-feedback { font-size: 0.85rem; margin-top: 1rem; display: none; }
.form-feedback.is-visible { display: block; }
.form-feedback.success { color: var(--zellen-green-dark); }
.form-feedback.error { color: #b3482f; }

/* ==========================================================================
   Footer
   ========================================================================== */
.zellen-footer { background: var(--zellen-dark); color: rgba(255,255,255,0.8); padding: 4rem 0 1.5rem; }
.zellen-footer h4 { color: var(--zellen-white); font-size: 1rem; margin-bottom: 1.1rem; }
.zellen-footer a { color: rgba(255,255,255,0.72); font-size: 0.9rem; }
.zellen-footer a:hover { color: var(--zellen-green-light); }
.zellen-footer ul { list-style: none; padding: 0; margin: 0; }
.zellen-footer li { margin-bottom: 0.6rem; }
.zellen-footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 2.5rem; padding-top: 1.5rem; font-size: 0.8rem; color: rgba(255,255,255,0.55); display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: space-between; }
.zellen-footer-logo { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1rem; }
.zellen-footer-logo .zellen-logo-img { height: 34px; width: auto; }
.zellen-logo-plate {
  display: inline-flex;
  align-items: center;
  background: var(--zellen-white);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.9rem;
  box-shadow: var(--zellen-shadow-soft);
}

/* ==========================================================================
   WhatsApp floating button
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 20px; right: 20px;
  z-index: 1300;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: var(--zellen-white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45);
}
@media (min-width: 992px) { .whatsapp-float { bottom: 25px; right: 25px; } }
.whatsapp-float::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: 50%;
  background: #25D366;
  animation: whatsapp-pulse 2.2s ease-out infinite;
  z-index: -1;
}
.whatsapp-float .wa-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%; transform: translateY(-50%);
  background: var(--zellen-dark);
  color: var(--zellen-white);
  font-size: 0.8rem;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.whatsapp-float:hover .wa-tooltip { opacity: 1; }

@keyframes whatsapp-pulse {
  0% { transform: scale(1); opacity: 0.55; }
  100% { transform: scale(1.7); opacity: 0; }
}

/* ==========================================================================
   Reveal animations
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-scale { opacity: 0; transform: scale(0.96); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-scale.is-visible { opacity: 1; transform: scale(1); }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-scale, .hero-slide, .value-card, .service-card { transition: none !important; }
  .whatsapp-float::before { animation: none; }
  html { scroll-behavior: auto; }
}

/* Decorative DNA dots */
.deco-dots { position: absolute; display: flex; gap: 8px; opacity: 0.5; }
.deco-dots span { width: 6px; height: 6px; border-radius: 50%; background: var(--zellen-green-light); }

@media (max-width: 575.98px) {
  .section-title { font-size: 1.7rem; }
  .hero-cta-group .btn-zellen { width: 100%; }
}

/* ==========================================================================
   Imported content: service images/lists, team, mission/vision, products
   ========================================================================== */
.service-card-img, .media-img { display: block; width: 100%; object-fit: cover; }
.service-card-img { height: 240px; }
.media-img { border-radius: var(--radius-md); max-height: 420px; }
.service-list { list-style: none; padding: 0; margin: 0.25rem 0 0; display: grid; gap: 0.4rem; font-size: 0.9rem; color: var(--zellen-dark); }
.service-list li { display: flex; gap: 0.5rem; align-items: flex-start; }
.service-list i { color: var(--zellen-green); flex-shrink: 0; margin-top: 0.1rem; }
@media (min-width: 576px) { .service-card .service-list { grid-template-columns: 1fr 1fr; } }
.service-card p { flex: 0 0 auto; margin-bottom: 1rem; }
.service-card .service-link { margin-top: auto; padding-top: 1rem; }

.team-card { background: var(--zellen-white); border: 1px solid var(--zellen-border); border-radius: var(--radius-md); overflow: hidden; height: 100%; transition: transform var(--transition-base), box-shadow var(--transition-base); }
.team-card:hover { transform: translateY(-6px); box-shadow: var(--zellen-shadow); }
.team-card img { display: block; width: 100%; height: 320px; object-fit: cover; object-position: top; }
.team-card-body { padding: 1.5rem; }
.team-card h3 { font-size: 1.15rem; margin-bottom: 0.3rem; }
.team-card .service-list { margin-top: 0.9rem; font-size: 0.85rem; color: var(--zellen-gray); }

.mv-card { background: var(--zellen-white); border-radius: var(--radius-md); padding: 2rem; height: 100%; border: 1px solid var(--zellen-border); }
.mv-card .icon-wrap { margin-bottom: 1rem; }
.mv-card h3 { font-size: 1.3rem; margin-bottom: 0.75rem; }
.mv-card p { color: var(--zellen-gray); margin: 0; font-size: 0.95rem; }
.values-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.value-pill { background: var(--zellen-white); border-radius: var(--radius-sm); padding: 1rem 1.25rem; border-left: 3px solid var(--zellen-green); }
.value-pill strong { display: block; font-family: var(--font-heading); color: var(--zellen-dark); }
.value-pill span { font-size: 0.82rem; color: var(--zellen-gray); }

.product-note { font-size: 0.9rem; color: var(--zellen-gray); background: var(--zellen-white); border-left: 3px solid var(--zellen-green); padding: 0.9rem 1.1rem; border-radius: var(--radius-sm); }
.product-note i { color: var(--zellen-green-dark); margin-right: 0.35rem; }
.mv-card .icon-wrap { width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; background: var(--zellen-green-soft); color: var(--zellen-green-dark); font-size: 1.4rem; }
