/* ==========================================================================
   MineralWissen — Bio-Tech Mineral Palette & Glassmorphism Design System
   Farbkonzept:
   - Glacier Gradient: #F0F7FA bis #E2EAF0
   - Akzentfarben: #0077B6 / #0096C7 (Liquid Cobalt / Aquamarin)
   - Rahmen & Konturen: #BAC4C8 (Platin-Silber)
   - Primärtext: #1B252C (Graphit-Schwarz)
   ========================================================================== */

:root {
  --bg-glacier-start: #F0F7FA;
  --bg-glacier-mid: #E9F2F7;
  --bg-glacier-end: #E2EAF0;
  
  --accent-cobalt: #0077B6;
  --accent-aqua: #0096C7;
  --accent-light: #48CAE4;
  --accent-soft: rgba(0, 119, 182, 0.08);
  --accent-glow: rgba(0, 150, 199, 0.22);

  --border-platinum: #BAC4C8;
  --border-glass: rgba(186, 196, 200, 0.65);
  --border-highlight: rgba(255, 255, 255, 0.85);

  --text-primary: #1B252C;
  --text-secondary: #3A4B57;
  --text-muted: #5C6F7D;

  --glass-bg: rgba(255, 255, 255, 0.68);
  --glass-bg-strong: rgba(255, 255, 255, 0.84);
  --glass-bg-subtle: rgba(240, 247, 250, 0.58);
  --glass-shadow: 0 12px 36px -8px rgba(27, 37, 44, 0.07), 0 4px 12px -2px rgba(0, 119, 182, 0.04);
  --glass-shadow-hover: 0 20px 44px -10px rgba(0, 119, 182, 0.13), 0 6px 16px -3px rgba(27, 37, 44, 0.06);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --transition-smooth: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-primary);
  background: linear-gradient(145deg, var(--bg-glacier-start) 0%, var(--bg-glacier-mid) 52%, var(--bg-glacier-end) 100%);
  background-attachment: fixed;
  line-height: 1.65;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* ==========================================================================
   Subtiles Molekulares 3D-Kristallgitter (4-6% Deckkraft)
   ========================================================================== */
.mineral-lattice-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240' viewBox='0 0 240 240'%3E%3Cg fill='none' stroke='%230077B6' stroke-width='1.1'%3E%3Cpolygon points='120,20 206,70 206,170 120,220 34,170 34,70'/%3E%3Cpolygon points='120,58 173,89 173,151 120,182 67,151 67,89' stroke-dasharray='3,3'/%3E%3Cline x1='120' y1='20' x2='120' y2='220'/%3E%3Cline x1='34' y1='70' x2='206' y2='170'/%3E%3Cline x1='206' y1='70' x2='34' y2='170'/%3E%3Cline x1='120' y1='20' x2='240' y2='20' stroke-opacity='0.5'/%3E%3Cline x1='120' y1='220' x2='240' y2='220' stroke-opacity='0.5'/%3E%3C/g%3E%3Cg fill='%230077B6'%3E%3Ccircle cx='120' cy='20' r='3.5'/%3E%3Ccircle cx='206' cy='70' r='3.5'/%3E%3Ccircle cx='206' cy='170' r='3.5'/%3E%3Ccircle cx='120' cy='220' r='3.5'/%3E%3Ccircle cx='34' cy='170' r='3.5'/%3E%3Ccircle cx='34' cy='70' r='3.5'/%3E%3Ccircle cx='120' cy='120' r='4.5'/%3E%3Ccircle cx='173' cy='89' r='2.2'/%3E%3Ccircle cx='67' cy='151' r='2.2'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 240px 240px;
}

.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(95px);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow--top {
  width: 540px;
  height: 540px;
  top: -180px;
  right: -120px;
  background: radial-gradient(circle, rgba(0, 150, 199, 0.12) 0%, rgba(240, 247, 250, 0) 70%);
}

.ambient-glow--bottom {
  width: 620px;
  height: 620px;
  bottom: -220px;
  left: -160px;
  background: radial-gradient(circle, rgba(0, 119, 182, 0.09) 0%, rgba(226, 234, 240, 0) 70%);
}

/* ==========================================================================
   Layout & Container
   ========================================================================== */
.site-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Glassmorphism Utilities
   ========================================================================== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-platinum);
  box-shadow: var(--glass-shadow), inset 0 1px 0 var(--border-highlight);
  border-radius: var(--radius-lg);
  transition: transform 0.35s var(--transition-smooth), box-shadow 0.35s var(--transition-smooth), border-color 0.35s ease;
}

.glass-card--interactive:hover {
  transform: translateY(-3px);
  box-shadow: var(--glass-shadow-hover), inset 0 1px 0 #ffffff;
  border-color: var(--accent-aqua);
}

.glass-panel-strong {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-platinum);
  box-shadow: var(--glass-shadow), inset 0 1px 0 #ffffff;
  border-radius: var(--radius-lg);
}

/* ==========================================================================
   Header & Navigation (100% Clean, nur "MineralWissen" im Logo)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(240, 247, 250, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-platinum);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 8px 28px -6px rgba(27, 37, 44, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px 0;
}

.brand-logo__icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent-cobalt), var(--accent-aqua));
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 119, 182, 0.28);
  flex-shrink: 0;
}

.brand-logo__text {
  font-weight: 800;
  background: linear-gradient(120deg, var(--text-primary) 20%, var(--accent-cobalt) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--border-platinum);
  padding: 5px;
  border-radius: 999px;
}

.nav-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.93rem;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.28s var(--transition-smooth);
  white-space: nowrap;
}

.nav-btn:hover {
  color: var(--accent-cobalt);
  background: rgba(0, 119, 182, 0.06);
}

.nav-btn.active {
  background: linear-gradient(135deg, var(--accent-cobalt) 0%, var(--accent-aqua) 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 119, 182, 0.25);
}

.mobile-menu-toggle {
  display: none;
  background: var(--glass-bg-strong);
  border: 1px solid var(--border-platinum);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: var(--text-primary);
  cursor: pointer;
}

/* ==========================================================================
   Page Transitions (Fade-in / Page Slide ohne Reload)
   ========================================================================== */
.main-content {
  flex: 1;
  padding: 40px 0 72px;
}

.page-view {
  display: none;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s var(--transition-smooth), transform 0.45s var(--transition-smooth);
}

.page-view.active {
  display: block;
  animation: pageSlideFadeIn 0.48s var(--transition-smooth) forwards;
}

@keyframes pageSlideFadeIn {
  0% {
    opacity: 0;
    transform: translateY(18px) scale(0.995);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ==========================================================================
   Typography & Badges
   ========================================================================== */
.scientific-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-cobalt);
  background: rgba(0, 119, 182, 0.09);
  border: 1px solid rgba(0, 150, 199, 0.28);
  margin-bottom: 16px;
}

.scientific-badge__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-aqua);
  box-shadow: 0 0 8px var(--accent-aqua);
}

.section-header {
  max-width: 780px;
  margin-bottom: 40px;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.45rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent-cobalt) 0%, var(--accent-aqua) 100%);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 22px -4px rgba(0, 119, 182, 0.35);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.28s var(--transition-smooth);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px -4px rgba(0, 150, 199, 0.48);
  filter: brightness(1.04);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--glass-bg-strong);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 13px 24px;
  border-radius: 999px;
  border: 1px solid var(--border-platinum);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.28s var(--transition-smooth);
}

.btn-secondary:hover {
  border-color: var(--accent-cobalt);
  color: var(--accent-cobalt);
  background: #ffffff;
}

/* ==========================================================================
   Hero Block (Startseite)
   ========================================================================== */
.hero-section {
  padding: 16px 0 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 44px;
  align-items: center;
}

.hero-title {
  font-size: clamp(2.1rem, 3.8vw, 3.15rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero-title span {
  background: linear-gradient(120deg, var(--accent-cobalt), var(--accent-aqua));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.12rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.metric-pill {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-platinum);
}

.metric-pill__val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent-cobalt);
  line-height: 1.2;
}

.metric-pill__label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 3px;
}

/* Hero Visual Showcase */
.hero-visual-card {
  position: relative;
  padding: 18px;
  border-radius: var(--radius-xl);
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-platinum);
  aspect-ratio: 4 / 3;
  background: #e9f1f5;
}

.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s var(--transition-smooth);
}

.hero-visual-card:hover .hero-image-frame img {
  transform: scale(1.03);
}

.purity-overlay-badge {
  position: absolute;
  bottom: 32px;
  left: 32px;
  right: 32px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-platinum);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: 0 12px 28px rgba(27, 37, 44, 0.12);
}

.purity-overlay-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.purity-overlay-info p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.purity-formula-tag {
  padding: 8px 14px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-cobalt), var(--accent-aqua));
  color: #ffffff;
  font-weight: 700;
  font-size: 0.85rem;
  white-space: nowrap;
}

/* ==========================================================================
   Zelluläre Balance — Wissenschaftliche Säulen
   ========================================================================== */
.pillars-section {
  padding: 36px 0 68px;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pillar-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pillar-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(0, 119, 182, 0.2);
  color: var(--accent-cobalt);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pillar-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.pillar-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  flex: 1;
}

.pillar-meta {
  padding-top: 12px;
  border-top: 1px solid rgba(186, 196, 200, 0.45);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-cobalt);
}

/* ==========================================================================
   Interaktiver Magnesium-Formen-Selektor / Kalkulator
   ========================================================================== */
.selector-section {
  padding: 36px 0 64px;
}

.selector-shell {
  padding: 36px;
}

.form-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.form-tab-btn {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--border-platinum);
  text-align: left;
  cursor: pointer;
  transition: all 0.28s var(--transition-smooth);
}

.form-tab-btn:hover {
  border-color: var(--accent-aqua);
  background: rgba(255, 255, 255, 0.9);
}

.form-tab-btn.active {
  background: linear-gradient(135deg, var(--accent-cobalt) 0%, var(--accent-aqua) 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 10px 24px -6px rgba(0, 119, 182, 0.4);
}

.form-tab-btn__type {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.8;
  margin-bottom: 4px;
}

.form-tab-btn__name {
  display: block;
  font-size: 1.02rem;
  font-weight: 700;
}

.selector-display-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 32px;
  align-items: stretch;
}

.form-details-pane {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.form-chem-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-platinum);
}

.form-chem-title {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-primary);
}

.form-chem-formula {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-cobalt);
  border: 1px solid rgba(0, 119, 182, 0.2);
}

.form-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.form-attributes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.attr-box {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--border-platinum);
}

.attr-box__label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.attr-box__val {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Balkendiagramm / Indikatoren im Kalkulator */
.form-bars-pane {
  padding: 26px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--border-platinum);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}

.bar-metric {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bar-metric__head {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.bar-metric__score {
  color: var(--accent-cobalt);
  font-weight: 700;
}

.bar-track {
  width: 100%;
  height: 11px;
  background: #DDE6EC;
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-cobalt) 0%, var(--accent-aqua) 100%);
  transition: width 0.55s var(--transition-smooth);
}

/* Bedarfs-Orientierungsrechner */
.dosage-calculator-box {
  margin-top: 28px;
  padding: 24px 28px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 119, 182, 0.06) 0%, rgba(0, 150, 199, 0.11) 100%);
  border: 1px solid rgba(0, 119, 182, 0.25);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
}

.calc-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 12px;
}

.calc-field {
  flex: 1;
  min-width: 180px;
}

.calc-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.calc-select {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-platinum);
  background: #ffffff;
  color: var(--text-primary);
  font-size: 0.94rem;
  font-weight: 500;
}

.calc-result-card {
  padding: 18px 22px;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid var(--border-platinum);
  text-align: center;
}

.calc-result-card__val {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-cobalt);
}

.calc-result-card__hint {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ==========================================================================
   Seite 2: Bioverfügbarkeit & Ernährung
   ========================================================================== */
.nutrition-visual-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.visual-showcase-card {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.visual-showcase-card img {
  width: 100%;
  height: 290px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-platinum);
}

.visual-caption {
  padding: 4px 8px;
}

.visual-caption h3 {
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.visual-caption p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Ernährungstabelle mit Filter */
.food-table-section {
  margin-bottom: 60px;
}

.table-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.filter-chip {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-platinum);
  background: var(--glass-bg-strong);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.filter-chip.active,
.filter-chip:hover {
  background: var(--accent-cobalt);
  color: #ffffff;
  border-color: var(--accent-cobalt);
}

.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-lg);
}

.mineral-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  background: var(--glass-bg-strong);
}

.mineral-table th,
.mineral-table td {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(186, 196, 200, 0.5);
}

.mineral-table th {
  background: rgba(0, 119, 182, 0.07);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  font-weight: 700;
}

.mineral-table tbody tr:hover {
  background: rgba(0, 150, 199, 0.04);
}

.mg-density-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  background: rgba(0, 119, 182, 0.1);
  color: var(--accent-cobalt);
}

/* Interaktive Infografik: Mineralien-Synergie */
.synergy-section {
  margin-bottom: 64px;
}

.synergy-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 32px;
  align-items: center;
  padding: 36px;
}

.synergy-diagram {
  position: relative;
  display: flex;
   flex-direction: column;
  align-items: center;
  gap: 18px;
}

.synergy-core-node {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cobalt), var(--accent-aqua));
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 12px 32px rgba(0, 119, 182, 0.35), 0 0 0 10px rgba(0, 150, 199, 0.1);
  margin-bottom: 12px;
}

.synergy-core-node strong {
  font-size: 1.5rem;
  line-height: 1.1;
}

.synergy-core-node span {
  font-size: 0.8rem;
  opacity: 0.9;
  margin-top: 4px;
}

.synergy-nodes-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: 100%;
}

.synergy-node-btn {
  padding: 16px 12px;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1.5px solid var(--border-platinum);
  cursor: pointer;
  text-align: center;
  transition: all 0.28s var(--transition-smooth);
}

.synergy-node-btn:hover {
  border-color: var(--accent-aqua);
  transform: translateY(-2px);
}

.synergy-node-btn.active {
  background: var(--accent-cobalt);
  color: #ffffff;
  border-color: var(--accent-cobalt);
  box-shadow: 0 8px 20px rgba(0, 119, 182, 0.28);
}

.synergy-node-btn__symbol {
  font-size: 1.2rem;
  font-weight: 800;
  display: block;
  margin-bottom: 4px;
}

.synergy-node-btn__title {
  font-size: 0.85rem;
  font-weight: 600;
}

.synergy-detail-card {
  padding: 28px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border-platinum);
}

.synergy-detail-card h3 {
  font-size: 1.35rem;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.synergy-detail-card p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.synergy-key-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.synergy-key-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--text-primary);
}

.synergy-key-points li::before {
  content: "◆";
  color: var(--accent-cobalt);
  font-size: 0.8rem;
  margin-top: 3px;
}

/* Akkordeon: Mythen & Fakten */
.accordion-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.accordion-item {
  border-radius: var(--radius-md);
  background: var(--glass-bg-strong);
  border: 1px solid var(--border-platinum);
  overflow: hidden;
  transition: border-color 0.25s ease;
}

.accordion-item.open {
  border-color: var(--accent-aqua);
}

.accordion-trigger {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
}

.accordion-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-right: 10px;
  background: rgba(0, 119, 182, 0.1);
  color: var(--accent-cobalt);
}

.accordion-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-cobalt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.accordion-item.open .accordion-icon {
  transform: rotate(45deg);
  background: var(--accent-cobalt);
  color: #ffffff;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--transition-smooth);
}

.accordion-content-inner {
  padding: 0 24px 22px;
  color: var(--text-secondary);
  font-size: 0.96rem;
  border-top: 1px solid rgba(186, 196, 200, 0.35);
  padding-top: 16px;
}

/* ==========================================================================
   Seite 3: Angebot (Produkt-Showcase ohne Preise + Reinheit & Transparenz)
   ========================================================================== */
.product-presentation-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 64px;
}

.product-photo-stage {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.product-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-platinum);
  background: #0d1b24;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.photo-upload-bar {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.78);
  border: 1px dashed var(--accent-cobalt);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.photo-upload-bar p {
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.upload-label-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--accent-cobalt);
  color: #ffffff;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.25s ease;
}

.upload-label-btn:hover {
  background: var(--accent-aqua);
}

.product-specs-card {
  padding: 34px;
}

.spec-list {
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(186, 196, 200, 0.5);
  font-size: 0.95rem;
}

.spec-row span:first-child {
  color: var(--text-secondary);
}

.spec-row span:last-child {
  font-weight: 700;
  color: var(--text-primary);
}

/* Reinheit & Transparenz (Laborprotokolle & GMP/HACCP) */
.purity-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
}

.lab-protocol-card {
  padding: 30px;
}

.protocol-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 18px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-platinum);
}

.status-verified {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.12);
  color: #065f46;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.standards-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.standard-doc-card {
  padding: 22px 24px;
}

.standard-doc-card__code {
  font-family: monospace;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cobalt);
  margin-bottom: 4px;
}

.standard-doc-card h4 {
  font-size: 1.08rem;
  margin-bottom: 6px;
}

.standard-doc-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Seite 4: Kontakt & Impressum (Mit exklusivem Anfrageformular)
   ========================================================================== */
.contact-impressum-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: start;
}

.inquiry-form-card {
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-platinum);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
  font-size: 0.98rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-cobalt);
  box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.15);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 22px 0 26px;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--border-platinum);
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--accent-cobalt);
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-group label {
  font-size: 0.86rem;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1.5;
}

.impressum-card {
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.legal-block h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.legal-block p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Danke-Seite (Vielen Dank für Ihre Anfrage)
   ========================================================================== */
.thankyou-card {
  max-width: 920px;
  margin: 0 auto;
  padding: 44px;
}

.thankyou-banner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--border-platinum);
}

.thankyou-img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-platinum);
}

.thankyou-img-wrap img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.hydration-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.hydration-checklist li {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--border-platinum);
  font-size: 0.92rem;
}

/* ==========================================================================
   Footer & Modals (Impressum, Datenschutz, Cookie-Einstellungen)
   ========================================================================== */
.site-footer {
  background: rgba(226, 234, 240, 0.85);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-platinum);
  padding: 44px 0 32px;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(186, 196, 200, 0.6);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.footer-link-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.2s ease;
}

.footer-link-btn:hover {
  color: var(--accent-cobalt);
}

.footer-disclaimer {
  padding-top: 20px;
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

/* Legal Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(27, 37, 44, 0.45);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-window {
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 32px;
  background: #F5FAFC;
  border: 1px solid var(--border-platinum);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(27, 37, 44, 0.22);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-platinum);
}

.modal-close-btn {
  background: var(--glass-bg-strong);
  border: 1px solid var(--border-platinum);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
}

/* ==========================================================================
   Interaktive Standort- & Quartierskarten (Friedrichstraße 114A, 10117 Berlin)
   ========================================================================== */
.location-map-section {
  margin-top: 44px;
}

.map-cards-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 28px;
  align-items: stretch;
}

.map-stage-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.map-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.map-view-tabs {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--border-platinum);
}

.map-tab-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.map-tab-btn.active {
  background: linear-gradient(135deg, var(--accent-cobalt), var(--accent-aqua));
  color: #ffffff;
  box-shadow: 0 3px 10px rgba(0, 119, 182, 0.25);
}

.map-zoom-controls {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.map-ctrl-btn {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid var(--border-platinum);
  background: rgba(255, 255, 255, 0.88);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.map-ctrl-btn:hover {
  border-color: var(--accent-cobalt);
  color: var(--accent-cobalt);
  background: #ffffff;
}

.map-viewport {
  position: relative;
  width: 100%;
  height: 410px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-platinum);
  background: #E7F0F5;
  overflow: hidden;
  box-shadow: inset 0 2px 10px rgba(27, 37, 44, 0.06);
}

.map-canvas-layer {
  width: 100%;
  height: 100%;
  transition: transform 0.4s var(--transition-smooth);
  transform-origin: center center;
}

.map-canvas-layer svg {
  width: 100%;
  height: 100%;
  display: block;
}

.map-poi-group {
  cursor: pointer;
  transition: transform 0.25s ease;
}

.map-poi-group:hover {
  filter: drop-shadow(0 4px 10px rgba(0, 119, 182, 0.35));
}

.map-pulse-ring {
  animation: mapPinPulse 2.4s infinite ease-out;
  transform-origin: 420px 210px;
}

@keyframes mapPinPulse {
  0% {
    transform: scale(0.85);
    opacity: 0.85;
  }
  70% {
    transform: scale(1.85);
    opacity: 0;
  }
  100% {
    transform: scale(1.85);
    opacity: 0;
  }
}

.map-overlay-card {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-platinum);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  box-shadow: 0 10px 24px rgba(27, 37, 44, 0.1);
}

.map-overlay-card__title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-primary);
}

.map-overlay-card__sub {
  font-size: 0.83rem;
  color: var(--text-secondary);
}

.map-coords-badge {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 11px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-cobalt);
  border: 1px solid rgba(0, 119, 182, 0.22);
  white-space: nowrap;
}

/* Zweite Karte / Standort-Detailspalte */
.map-details-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.micro-map-card {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.micro-map-preview {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-platinum);
  overflow: hidden;
  background: #DCE8F0;
  height: 185px;
}

.micro-map-preview svg {
  width: 100%;
  height: 100%;
  display: block;
}

.transit-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.transit-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(186, 196, 200, 0.6);
  font-size: 0.86rem;
}

.transit-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--accent-cobalt);
  color: #ffffff;
  margin-right: 6px;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid,
  .selector-display-grid,
  .dosage-calculator-box,
  .synergy-layout,
  .product-presentation-grid,
  .purity-grid,
  .contact-impressum-grid,
  .map-cards-grid,
  .thankyou-banner {
    grid-template-columns: 1fr;
  }

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

  .form-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    top: 78px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    border-radius: var(--radius-md);
    padding: 12px;
    background: rgba(245, 250, 252, 0.96);
    box-shadow: 0 16px 36px rgba(27, 37, 44, 0.12);
    display: none;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-btn {
    width: 100%;
    text-align: left;
  }

  .nutrition-visual-banner,
  .hero-metrics,
  .form-attributes-grid,
  .synergy-nodes-row {
    grid-template-columns: 1fr;
  }

  .selector-shell,
  .synergy-layout,
  .inquiry-form-card,
  .impressum-card,
  .thankyou-card {
    padding: 22px;
  }
}