/* =============================================
   Home Filters — Landing Page Styles
   ============================================= */

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

:root {
  --primary:        #0066b3;
  --primary-dark:   #004d87;
  --secondary:      #00aacc;
  --gradient:       linear-gradient(135deg, #0066b3 0%, #00aacc 100%);
  --dark:           #0f172a;
  --gray-900:       #1e293b;
  --gray-700:       #334155;
  --gray-500:       #64748b;
  --gray-300:       #cbd5e1;
  --gray-200:       #e2e8f0;
  --gray-100:       #f1f5f9;
  --white:          #ffffff;
  --green:          #059669;
  --amber:          #d97706;

  --font:           'Inter', system-ui, -apple-system, sans-serif;
  --radius:         12px;
  --radius-lg:      20px;
  --shadow-sm:      0 1px 4px rgba(0,0,0,0.06);
  --shadow:         0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg:      0 8px 40px rgba(0,0,0,0.12);
  --transition:     0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ── Typography ── */
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; line-height: 1.12; color: var(--white); }
h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 800; color: var(--dark); margin-bottom: 14px; }
h3 { font-size: 1.2rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
h4 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
p  { margin-bottom: 14px; }
p:last-child { margin-bottom: 0; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1.3;
}
.btn-lg  { padding: 14px 30px; font-size: 16px; border-radius: 10px; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,102,179,0.35);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.7);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-dark:hover {
  background: var(--primary);
  color: var(--white);
}

/* ── Section labels ── */
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}
.section-label.light { color: rgba(255,255,255,0.65); }

/* ── Section header ── */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header p {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}
.section-header.light h2 { color: var(--white); }
.section-header.light p  { color: rgba(255,255,255,0.75); }

/* ── Two-col layout ── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }

.col-text { display: flex; flex-direction: column; gap: 16px; }
.col-text h2 { margin-bottom: 0; }
.col-text p  { margin-bottom: 0; }
.col-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.col-visual img { max-height: 360px; }

/* ── Section backgrounds ── */
.section-light   { background: var(--gray-100); padding: 96px 0; }
.section-white   { background: var(--white);    padding: 96px 0; }
.section-tech    { background: var(--gradient); padding: 96px 0; }
.section-contact { background: var(--gradient); padding: 96px 0; }

/* =============================================
   HEADER
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

/* ── Contact bar ── */
.contact-bar {
  background: var(--dark);
  padding: 8px 0;
}
.contact-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.contact-note {
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.02em;
}
.contact-persons {
  display: flex;
  align-items: center;
  gap: 14px;
}
.contact-person {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--white);
  font-size: 13px;
  transition: color var(--transition);
}
.contact-person:hover { color: var(--secondary); }
.cp-name { font-weight: 600; }
.cp-phone { color: var(--secondary); }
.contact-sep { color: rgba(255,255,255,0.25); }

/* ── Navbar ── */
.navbar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo-link { display: flex; align-items: center; flex-shrink: 0; line-height: 0; }
.logo-img  { height: 60px; width: auto; display: block; object-fit: contain; }

.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--primary); }

.nav-cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all var(--transition);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  background: var(--gradient);
  padding: 88px 0 80px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-text { display: flex; flex-direction: column; gap: 20px; }

.hero-perex {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.88);
  margin-bottom: 0;
  line-height: 1.7;
}
.hero-highlight {
  color: var(--white);
  font-weight: 800;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  background: rgba(255,255,255,0.18);
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.25);
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  grid-column: 1 / -1;
  margin-top: 40px;
}

/* ── Hero cards (right column) ── */
.hero-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-self: center;
}
.hero-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 26px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.13);
  transition: transform var(--transition), box-shadow var(--transition);
}
.hero-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.18);
}
.hc-water  { background: linear-gradient(135deg, #e0f2fe, #bae6fd); }
.hc-home   { background: linear-gradient(135deg, #d1fae5, #a7f3d0); }
.hc-shield { background: linear-gradient(135deg, #ede9fe, #c4b5fd); }

.hc-icon {
  font-size: 1.9rem;
  width: 58px;
  height: 58px;
  flex-shrink: 0;
  background: rgba(255,255,255,0.6);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.hc-body { display: flex; flex-direction: column; gap: 4px; }
.hc-body strong { font-size: 1rem; font-weight: 700; color: var(--dark); }
.hc-body span   { font-size: 13px; color: var(--gray-500); font-weight: 400; }

/* =============================================
   CENTERED NARROW LAYOUT HELPERS
   ============================================= */

/* Narrow centered wrapper used by #nezistoty and #servis */
.section-narrow {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* #voda — centered column layout */
.voda-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 28px;
  max-width: 680px;
  margin: 0 auto;
}
.voda-header { display: flex; flex-direction: column; gap: 12px; }
.voda-header p { text-align: left; color: var(--gray-700); }
.voda-layout .vis-card { width: 100%; text-align: left; }
.voda-layout .fact-grid { width: 100%; text-align: left; }
.voda-body { text-align: left; color: var(--gray-700); align-self: stretch; }

/* #technologie — single centered column */
.tech-centered {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  max-width: 740px;
  margin: 0 auto;
}
.tech-centered .section-header { margin-bottom: 0; }
.tech-centered .vis-card { width: 100%; }
.tech-centered .tech-text { width: 100%; display: flex; flex-direction: column; gap: 20px; }
.tech-centered .tech-text > p { color: rgba(255,255,255,0.85); }

/* =============================================
   FACT GRID
   ============================================= */
.fact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 8px;
}
.fact-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-sm);
}
.fact-card strong {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.fact-card span { font-size: 13px; color: var(--gray-500); }

/* =============================================
   CONTAMINANT LIST
   ============================================= */
.contaminant-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 8px;
}
.contaminant-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.cl-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 1px; }
.contaminant-list li div { display: flex; flex-direction: column; gap: 2px; }
.contaminant-list strong { font-size: 14px; color: var(--dark); }
.contaminant-list span   { font-size: 13px; color: var(--gray-500); }

/* =============================================
   METHOD GRID
   ============================================= */
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.method-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.method-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.method-icon { font-size: 2.2rem; margin-bottom: 16px; }
.method-card p { font-size: 14px; color: var(--gray-500); margin-bottom: 0; }
.method-card strong { color: var(--dark); }

/* =============================================
   MINERAL COMPARE
   ============================================= */
.mineral-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 8px;
}
.mineral-col {
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mineral-col.good    { background: #ecfdf5; border: 1px solid #a7f3d0; }
.mineral-col.neutral { background: #fefce8; border: 1px solid #fde68a; }
.mineral-col h4      { margin-bottom: 0; font-size: 14px; }
.mineral-col.good    h4 { color: #065f46; }
.mineral-col.neutral h4 { color: #92400e; }
.mineral-col p       { font-size: 13px; margin-bottom: 0; color: var(--gray-500); }
.mineral-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  width: fit-content;
}
.mineral-badge.good    { background: #d1fae5; color: #065f46; }
.mineral-badge.neutral { background: #fef3c7; color: #92400e; }

/* =============================================
   TECHNOLOGY / SCALE CHART
   ============================================= */
.tech-text { display: flex; flex-direction: column; gap: 20px; }
.tech-text > p { color: rgba(255,255,255,0.85); }

.scale-chart {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.scale-row {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 14px;
  align-items: center;
}
.scale-label {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  white-space: nowrap;
}
.scale-track {
  background: rgba(255,255,255,0.12);
  border-radius: 4px;
  height: 18px;
  overflow: hidden;
}
.scale-bar {
  height: 100%;
  border-radius: 4px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.scale-bar.membrane { width: 4%;  background: rgba(255,255,255,0.5); }
.scale-bar.virus     { width: 48%; background: #fcd34d; }
.scale-bar.bacteria  { width: 80%; background: #f87171; }

.scale-value {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  white-space: nowrap;
  font-weight: 500;
}

.tech-note {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.08);
  border-left: 3px solid rgba(255,255,255,0.4);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 0;
}
.tech-note strong { color: var(--white); }

/* =============================================
   PRODUCTS
   ============================================= */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.product-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.product-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary), var(--shadow);
}
.product-name {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}
.product-name span { font-size: 13px; color: var(--gray-500); font-weight: 500; }
.product-name strong { font-size: 1.5rem; font-weight: 800; color: var(--dark); }
.product-card p { font-size: 14px; color: var(--gray-500); flex: 1; margin-bottom: 0; }

.product-illustration {
  text-align: center;
}
.product-illustration img { max-height: 280px; margin: 0 auto; }

/* =============================================
   SERVICE LIST
   ============================================= */
.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.service-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.sl-icon { font-size: 1.15rem; flex-shrink: 0; margin-top: 1px; }
.service-list li div { display: flex; flex-direction: column; gap: 2px; }
.service-list strong { font-size: 14px; color: var(--dark); display: block; }
.service-list span   { font-size: 13px; color: var(--gray-500); }

/* =============================================
   HOW IT WORKS — STEPS
   ============================================= */
.steps {
  display: flex;
  align-items: stretch;
  gap: 12px;
}
.step {
  flex: 1;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
}
.step-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 16px;
}
.step h4 { margin-bottom: 10px; }
.step p   { font-size: 14px; color: var(--gray-500); margin-bottom: 0; }
.step-arrow {
  font-size: 1.5rem;
  color: var(--gray-300);
  align-self: center;
  flex-shrink: 0;
  padding: 0 4px;
}

/* =============================================
   CONTACT SECTION
   ============================================= */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 56px;
  align-items: start;
}

/* Form */
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--dark); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-size: 15px;
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,102,179,0.12);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-note { font-size: 12px; color: var(--gray-500); margin-bottom: 0; }

/* Honeypot – vizuálně skryté, ale přítomné v DOM pro boty */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Select placeholder stejná barva jako input placeholder */
.form-group select:has(option[value=""]:checked) { color: var(--gray-500); }

.form-success {
  text-align: center;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.form-success.hidden { display: none; }
.success-icon { font-size: 3rem; }
.form-success h3 { color: var(--dark); }
.form-success p  { color: var(--gray-500); margin: 0; }

/* Contact info panel */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-info h3   { color: var(--white); margin-bottom: 0; }
.contact-response  { font-size: 13px; color: rgba(255,255,255,0.6); margin-bottom: 0; }
.contact-region    { font-size: 13px; color: rgba(255,255,255,0.6); margin-bottom: 0; }

.contact-person-card {
  display: flex;
  gap: 14px;
  align-items: center;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.cp-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cp-details { display: flex; flex-direction: column; gap: 3px; }
.cp-details strong { font-size: 14px; color: var(--white); display: block; }
.cp-details a {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: color var(--transition);
}
.cp-details a:hover { color: var(--white); }
.cp-details a[href^="tel"] { font-weight: 600; color: var(--white); }

/* =============================================
   REVIEWS
   ============================================= */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.review-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.review-stars { color: #f59e0b; font-size: 1rem; letter-spacing: 2px; line-height: 1; }
.review-text  { font-size: 14px; color: var(--gray-500); flex: 1; margin: 0; line-height: 1.7; }
.review-author {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-top: 1px solid var(--gray-200);
  padding-top: 14px;
}
.review-author strong { font-size: 14px; color: var(--dark); font-weight: 600; }
.review-author span   { font-size: 13px; color: var(--gray-500); }

/* =============================================
   FOOTER
   ============================================= */
.footer { background: var(--dark); }
.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-top: 64px;
  padding-bottom: 48px;
}

.footer-brand { display: flex; flex-direction: column; gap: 10px; }
.footer-brand-row {
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 0;
}
.footer-icon {
  height: 62px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}
.footer-brand-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.footer-tagline { font-size: 14px; color: #94a3b8; line-height: 1.6; margin: 0; }

.footer-company-inline { display: flex; flex-direction: column; gap: 2px; margin-top: 4px; }
.footer-company-name   { font-size: 13px; color: #94a3b8; font-weight: 600; margin: 0; }
.footer-company-detail { font-size: 12px; color: #475569; margin: 0; line-height: 1.5; }

.footer-contacts,
.footer-nav { display: flex; flex-direction: column; gap: 8px; }

.footer .footer-inner,
.footer .footer-bottom-inner {
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
}

.footer-contacts h5,
.footer-nav h5 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #475569;
  margin-bottom: 6px;
}

.footer-response { font-size: 12px; color: #475569; margin: 0; }

.footer-person {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: color var(--transition);
  margin-top: 8px;
}
.footer-person strong { font-size: 14px; color: #e2e8f0; }
.footer-person span   { font-size: 13px; color: var(--secondary); }
.footer-person:hover strong { color: var(--white); }

.footer-email {
  font-size: 13px;
  color: #64748b;
  text-decoration: none;
  transition: color var(--transition);
  margin-bottom: 4px;
}
.footer-email:hover { color: #94a3b8; }

.footer-nav a {
  font-size: 14px;
  color: #94a3b8;
  text-decoration: none;
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: #475569;
}

/* =============================================
   VIS-CARDS — CSS illustration panels
   ============================================= */
.vis-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
}
.vis-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
}
.vis-title.light { color: rgba(255,255,255,0.65); }
.vis-note {
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.5;
  margin: 0;
  padding-top: 8px;
  border-top: 1px solid var(--gray-200);
}

/* Water body bars */
.vis-bars {
  display: flex;
  gap: 32px;
  align-items: flex-end;
  justify-content: center;
  min-height: 160px;
}
.vis-bar-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.vis-bar-track {
  width: 56px;
  height: 140px;
  background: var(--gray-100);
  border-radius: 10px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border: 1px solid var(--gray-200);
}
.vis-bar-fill {
  width: 100%;
  background: linear-gradient(180deg, var(--secondary), var(--primary));
  border-radius: 10px;
  transition: height 1s ease;
}
.vis-bar-fill.vis-bar-accent {
  background: linear-gradient(180deg, #34d399, #10b981);
}
.vis-bar-group strong { font-size: 1.4rem; font-weight: 800; color: var(--primary); }
.vis-bar-group span   { font-size: 12px; color: var(--gray-500); }

/* Contaminant badges */
.vis-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.vis-badge {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
}

/* Mineral absorption */
.vis-absorb { display: flex; flex-direction: column; gap: 16px; }
.vis-absorb-item {
  padding: 16px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.vis-absorb-good    { background: #ecfdf5; border: 1px solid #a7f3d0; }
.vis-absorb-neutral { background: #fefce8; border: 1px solid #fde68a; }
.vai-header { display: flex; align-items: center; gap: 8px; }
.vai-icon   { font-size: 1.2rem; }
.vai-header strong { font-size: 14px; color: var(--dark); }
.vis-absorb-good    .vai-header strong { color: #065f46; }
.vis-absorb-neutral .vai-header strong { color: #92400e; }
.vai-sub  { font-size: 12px; color: var(--gray-500); }
.vai-bar-track {
  height: 8px;
  background: rgba(0,0,0,0.07);
  border-radius: 4px;
  overflow: hidden;
}
.vai-bar {
  height: 100%;
  border-radius: 4px;
}
.vis-absorb-good    .vai-bar { background: #10b981; }
.vis-absorb-neutral .vai-bar { background: #f59e0b; }
.vai-pct { font-size: 11px; font-weight: 600; }
.vis-absorb-good    .vai-pct { color: #059669; }
.vis-absorb-neutral .vai-pct { color: #d97706; }

/* Membrane filter diagram */
.vis-membrane-diagram {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
}
.vis-filter-list { display: flex; flex-direction: column; gap: 10px; }
.vfl-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 10px;
}
.vfl-blocked { background: rgba(248,113,113,0.12); border: 1px solid rgba(248,113,113,0.25); }
.vfl-pass    { background: rgba(52,211,153,0.12);  border: 1px solid rgba(52,211,153,0.25); }
.vfl-icon    { font-size: 1rem; font-weight: 800; flex-shrink: 0; margin-top: 1px; }
.vfl-blocked .vfl-icon { color: #f87171; }
.vfl-pass    .vfl-icon { color: #34d399; }
.vfl-info    { display: flex; flex-direction: column; gap: 2px; }
.vfl-info strong { font-size: 13px; color: rgba(255,255,255,0.95); }
.vfl-info span   { font-size: 12px; color: rgba(255,255,255,0.6); }
.vfl-divider {
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 0;
  border-top: 1px dashed rgba(255,255,255,0.2);
  border-bottom: 1px dashed rgba(255,255,255,0.2);
}

/* Service checklist */
.vis-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.vis-checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--dark);
  padding: 9px 12px;
  background: var(--gray-100);
  border-radius: 8px;
}
.vck-icon { font-size: 1rem; flex-shrink: 0; }

/* =============================================
   COOKIE BANNER
   ============================================= */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 9999;
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 -4px 32px rgba(0,0,0,0.3);
  transform: translateY(110%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  -webkit-transform: translateY(110%);
  -webkit-transition: -webkit-transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.cookie-banner.cookie-visible {
  transform: translateY(0);
  -webkit-transform: translateY(0);
}
.cookie-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cookie-text {
  flex: 1;
  min-width: 220px;
}
.cookie-text strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.cookie-text p {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin: 0;
  line-height: 1.5;
}
.cookie-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  align-items: center;
}
.cookie-btn-decline {
  background: transparent;
  color: rgba(255,255,255,0.75);
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  padding: 11px 22px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.cookie-btn-decline:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}

/* footer-bottom links */
.footer-bottom a {
  color: #475569;
  text-decoration: none;
  transition: color var(--transition);
}
.footer-bottom a:hover { color: #94a3b8; }

@media (max-width: 600px) {
  .cookie-inner { flex-direction: column; align-items: stretch; gap: 14px; }
  .cookie-actions { width: 100%; }
  .cookie-actions .btn,
  .cookie-actions .cookie-btn-decline { flex: 1; text-align: center; justify-content: center; }
}

/* =============================================
   ANCHOR SCROLL OFFSET (sticky header compensation)
   ============================================= */
#voda, #nezistoty, #uprava, #mineraly,
#technologie, #proc-my, #servis, #recenze, #konzultace, #kontakt {
  scroll-margin-top: 124px;
}

@media (max-width: 768px) {
  #voda, #nezistoty, #uprava, #mineraly,
  #technologie, #proc-my, #servis, #recenze, #konzultace, #kontakt {
    scroll-margin-top: 96px;
  }
}

/* =============================================
   SCROLL ANIMATIONS
   ============================================= */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   MEMBRÁNA — INFOGRAFIKA
   ============================================= */
.membrane-figure {
  margin: 0 auto 32px;
  max-width: 560px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
}
.membrane-figure picture,
.membrane-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

@media (max-width: 600px) {
  .membrane-figure { padding: 12px; max-width: 100%; }
}

/* =============================================
   VODA / CONTAMINANT — CLOSING PARAGRAPHS
   ============================================= */
.voda-closing {
  margin-top: 32px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-700, #374151);
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.contaminant-closing {
  margin-top: 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray-700, #374151);
  background: var(--gray-50, #f9fafb);
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
}

/* =============================================
   PROČ MY
   ============================================= */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.why-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.why-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.why-icon {
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 4px;
}
.why-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0;
  line-height: 1.3;
}
.why-card p {
  font-size: 14px;
  color: var(--gray-500);
  margin: 0;
  line-height: 1.55;
}

.why-cta {
  text-align: center;
  background: linear-gradient(135deg, var(--primary-soft, #eef2ff), var(--white));
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
}
.why-cta p {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
  margin: 0 0 18px 0;
}
.why-cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 1024px) {
  .two-col   { gap: 48px; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-info { flex-direction: row; flex-wrap: wrap; gap: 16px; }
  .contact-info h3,
  .contact-response,
  .contact-region { flex-basis: 100%; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .review-grid  { grid-template-columns: 1fr 1fr; }
  .why-grid     { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  /* Header */
  .contact-bar-inner { justify-content: center; }
  .contact-note { display: none; }

  /* Navbar logo */
  .logo-img { height: 32px; }

  /* Navbar */
  .nav-links { display: none; flex-direction: column; gap: 0; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    z-index: 100;
    padding: 8px 0;
  }
  .nav-links.open a {
    padding: 13px 24px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 15px;
  }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .navbar { position: relative; }

  /* Hero */
  .hero { padding: 56px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-cards { flex-direction: row; flex-wrap: wrap; }
  .hero-card  { flex: 1 1 calc(50% - 8px); min-width: 200px; }


  /* Two-col — text always stacks above illustration */
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .two-col.reverse { direction: ltr; }
  /* In reversed sections, col-visual is first in DOM — push it below text */
  .two-col.reverse .col-visual { order: 1; }

  /* Method grid */
  .method-grid { grid-template-columns: 1fr; }

  /* Steps */
  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); align-self: center; }

  /* Products */
  .product-grid { grid-template-columns: 1fr; }

  /* Proč my */
  .why-grid { grid-template-columns: 1fr; }
  .why-cta-actions .btn { width: 100%; }

  /* Reviews */
  .review-grid  { grid-template-columns: 1fr; }

  /* Scale chart */
  .scale-row { grid-template-columns: 100px 1fr auto; gap: 8px; }
  .scale-label { white-space: normal; font-size: 12px; }
  .scale-value { font-size: 11px; }

  /* Contact form */
  .contact-form-wrap { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }

  /* Mineral compare */
  .mineral-compare { grid-template-columns: 1fr; }

  /* Fact grid */
  .fact-grid { grid-template-columns: 1fr 1fr; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; gap: 32px; padding-top: 48px; }
  .footer-bottom-inner { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  .section-light,
  .section-white,
  .section-tech,
  .section-contact { padding: 64px 0; }
  .contact-persons { flex-direction: column; gap: 6px; }
  .contact-sep { display: none; }
  .fact-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Konverzní prvky — ujišťující microcopy + mobilní CTA lišta
   ============================================================ */

/* Ujišťující text pod hero CTA */
.hero-reassure {
  grid-column: 1 / -1;
  text-align: center;
  margin: 14px 0 0;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.92);
}

/* Ujišťující text pod tlačítkem formuláře */
.form-reassure {
  margin: 14px 0 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--green);
  text-align: center;
}

/* ── Mobilní plovoucí CTA lišta ── */
.mobile-cta-bar { display: none; }

@media (max-width: 768px) {
  .mobile-cta-bar {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 900;
    gap: 10px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(8px);
    box-shadow: 0 -2px 16px rgba(0,0,0,0.12);
  }
  .mcb-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 12px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition);
  }
  .mcb-btn:active { transform: scale(0.98); }
  .mcb-call {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(0,102,179,0.35);
  }
  .mcb-form {
    background: var(--gray-100);
    color: var(--primary-dark);
    border: 1px solid var(--gray-200);
  }
  .mcb-icon { font-size: 18px; }

  /* Místo pro lištu, ať nepřekrývá obsah patičky */
  body { padding-bottom: 76px; }
  /* Cookie banner posadit nad lištu */
  .cookie-banner.cookie-visible { margin-bottom: 72px; }
}