/* ============================================================
   CLAIR® UV-C — Professionelle Website 2026
   Design: Senza Aqua International GmbH
   ============================================================ */

:root {
  --blau:       #0047AB;
  --blau-hell:  #005ED4;
  --uvc:        #00B4D8;
  --dunkel:     #0d1b2a;
  --grau:       #f4f6f9;
  --text:       #2c3e50;
  --weiss:      #ffffff;
  --success:    #27ae60;
  --radius:     10px;
  --shadow:     0 4px 24px rgba(0,71,171,0.10);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
}

/* ── NAVIGATION ─────────────────────────────── */
nav {
  position: sticky; top: 0; z-index: 1000;
  background: var(--weiss);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  padding: 0 5%;
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.nav-logo {
  font-size: 1.6rem; font-weight: 800;
  color: var(--blau); text-decoration: none;
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--uvc); }
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a {
  text-decoration: none; color: var(--text);
  font-weight: 500; font-size: 0.95rem;
  transition: color .2s;
}
.nav-links a:hover { color: var(--blau); }
.nav-cta {
  background: var(--blau); color: var(--weiss) !important;
  padding: .55rem 1.3rem; border-radius: 6px;
  font-weight: 600 !important;
  transition: background .2s !important;
}
.nav-cta:hover { background: var(--blau-hell) !important; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; font-size: 1.5rem; }

/* ── HERO ────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--dunkel) 0%, #0a2342 60%, #003580 100%);
  color: var(--weiss);
  padding: 100px 5% 80px;
  display: flex; align-items: center; gap: 4rem;
  min-height: 88vh;
}
.hero-text { flex: 1; max-width: 620px; }
.hero-badge {
  display: inline-block;
  background: rgba(0,180,216,.2); border: 1px solid var(--uvc);
  color: var(--uvc); padding: .3rem .9rem; border-radius: 20px;
  font-size: .85rem; font-weight: 600; margin-bottom: 1.5rem;
  letter-spacing: .5px; text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800; line-height: 1.15;
  margin-bottom: 1.2rem;
}
.hero h1 span { color: var(--uvc); }
.hero p {
  font-size: 1.15rem; opacity: .88;
  margin-bottom: 2rem; max-width: 520px;
}
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
  background: var(--uvc); color: var(--dunkel);
  padding: .85rem 2rem; border-radius: 8px;
  font-weight: 700; font-size: 1rem;
  text-decoration: none; display: inline-block;
  transition: transform .2s, box-shadow .2s;
  border: none; cursor: pointer;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,180,216,.4); }
.btn-secondary {
  background: transparent; color: var(--weiss);
  border: 2px solid rgba(255,255,255,.4);
  padding: .85rem 2rem; border-radius: 8px;
  font-weight: 600; font-size: 1rem;
  text-decoration: none; display: inline-block;
  transition: border-color .2s, background .2s;
}
.btn-secondary:hover { border-color: var(--weiss); background: rgba(255,255,255,.08); }
.hero-stats {
  display: flex; gap: 2.5rem; margin-top: 3rem;
  padding-top: 2rem; border-top: 1px solid rgba(255,255,255,.15);
}
.hero-stat strong {
  display: block; font-size: 2rem; font-weight: 800;
  color: var(--uvc);
}
.hero-stat span { font-size: .85rem; opacity: .7; }
.hero-visual {
  flex: 0 0 360px;
  background: rgba(0,180,216,.08); border: 1px solid rgba(0,180,216,.25);
  border-radius: 20px; padding: 2.5rem;
  text-align: center;
}
.hero-icon { font-size: 6rem; margin-bottom: 1rem; }
.hero-visual h3 { color: var(--uvc); font-size: 1.3rem; margin-bottom: .5rem; }
.hero-visual p { opacity: .75; font-size: .95rem; }

/* ── SECTIONS ────────────────────────────────── */
section { padding: 80px 5%; }
.section-label {
  color: var(--blau); font-size: .8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.5px;
  margin-bottom: .6rem;
}
h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800; margin-bottom: 1rem; color: var(--dunkel);
}
.section-sub { color: #666; font-size: 1.05rem; max-width: 600px; margin-bottom: 3rem; }
.bg-grau { background: var(--grau); }
.bg-dunkel { background: var(--dunkel); color: var(--weiss); }
.bg-dunkel h2 { color: var(--weiss); }
.bg-dunkel .section-label { color: var(--uvc); }
.bg-dunkel .section-sub { color: rgba(255,255,255,.7); }

/* ── VORTEILE GRID ───────────────────────────── */
.vorteile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}
.vorteil-card {
  background: var(--weiss); border-radius: var(--radius);
  padding: 1.8rem; box-shadow: var(--shadow);
  border-left: 4px solid var(--blau);
  transition: transform .2s;
}
.vorteil-card:hover { transform: translateY(-3px); }
.vorteil-icon { font-size: 2rem; margin-bottom: .8rem; }
.vorteil-card h3 { font-size: 1.05rem; margin-bottom: .4rem; color: var(--dunkel); }
.vorteil-card p { font-size: .9rem; color: #666; }

/* ── PRODUKTE ────────────────────────────────── */
.produkte-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.produkt-card {
  background: var(--weiss); border-radius: 14px;
  padding: 2rem; box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .2s;
  border: 2px solid transparent;
}
.produkt-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,71,171,.15); border-color: var(--blau); }
.produkt-badge {
  display: inline-block; background: var(--blau); color: var(--weiss);
  padding: .25rem .8rem; border-radius: 20px; font-size: .8rem;
  font-weight: 700; margin-bottom: 1rem; align-self: flex-start;
}
.produkt-badge.eco { background: var(--success); }
.produkt-badge.space { background: var(--dunkel); }
.produkt-card h3 { font-size: 1.6rem; font-weight: 800; color: var(--dunkel); margin-bottom: .3rem; }
.produkt-card .tagline { color: #777; font-size: .95rem; margin-bottom: 1.5rem; }
.produkt-specs { list-style: none; margin-bottom: 1.5rem; }
.produkt-specs li {
  display: flex; justify-content: space-between;
  padding: .5rem 0; border-bottom: 1px solid #eee;
  font-size: .92rem;
}
.produkt-specs li:last-child { border: none; }
.produkt-specs strong { color: var(--blau); }
.produkt-anwendung { font-size: .85rem; color: #888; margin-bottom: 1.5rem; }
.produkt-cta {
  margin-top: auto;
  background: var(--blau); color: var(--weiss);
  border: none; padding: .75rem 1.5rem;
  border-radius: 8px; font-weight: 600; cursor: pointer;
  width: 100%; text-align: center; text-decoration: none;
  display: block; transition: background .2s;
}
.produkt-cta:hover { background: var(--blau-hell); }

/* ── ZIELGRUPPEN ─────────────────────────────── */
.zielgruppen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.2rem;
}
.zielgruppe-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius); padding: 1.5rem;
  text-align: center; transition: background .2s, border-color .2s;
  cursor: pointer; text-decoration: none; color: var(--weiss);
}
.zielgruppe-card:hover { background: rgba(0,180,216,.15); border-color: var(--uvc); }
.zielgruppe-icon { font-size: 2.5rem; margin-bottom: .7rem; display: block; }
.zielgruppe-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: .3rem; }
.zielgruppe-card p { font-size: .82rem; opacity: .7; }

/* ── TECHNOLOGIE ─────────────────────────────── */
.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
}
.tech-steps { list-style: none; }
.tech-step {
  display: flex; gap: 1.2rem; align-items: flex-start;
  padding: 1.2rem 0; border-bottom: 1px solid #eee;
}
.tech-step:last-child { border: none; }
.step-nr {
  flex: 0 0 42px; height: 42px;
  background: var(--blau); color: var(--weiss);
  border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-weight: 800; font-size: 1rem;
}
.tech-step h4 { font-size: 1rem; margin-bottom: .2rem; }
.tech-step p { font-size: .88rem; color: #666; }
.tech-visual {
  background: var(--grau); border-radius: 16px;
  padding: 2.5rem; text-align: center;
}
.tech-circle {
  width: 200px; height: 200px; margin: 0 auto 1.5rem;
  border-radius: 50%;
  background: radial-gradient(circle, #003580, #0047AB);
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem;
  box-shadow: 0 0 60px rgba(0,180,216,.4);
}
.tech-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.tech-fact {
  background: var(--weiss); border-radius: 8px; padding: 1rem;
  text-align: center; box-shadow: var(--shadow);
}
.tech-fact strong { display: block; font-size: 1.4rem; color: var(--blau); font-weight: 800; }
.tech-fact span { font-size: .8rem; color: #777; }

/* ── VERGLEICH TABELLE ───────────────────────── */
.vergleich-table { width: 100%; border-collapse: collapse; margin-top: 2rem; }
.vergleich-table th {
  background: var(--blau); color: var(--weiss);
  padding: 1rem 1.2rem; font-size: .9rem; text-align: left;
}
.vergleich-table th:first-child { background: #f4f6f9; color: var(--text); }
.vergleich-table td { padding: .85rem 1.2rem; font-size: .9rem; border-bottom: 1px solid #eee; }
.vergleich-table tr:nth-child(even) td { background: #f9fafb; }
.v-ja { color: var(--success); font-weight: 700; }
.v-nein { color: #e74c3c; }
.highlight-col { background: rgba(0,71,171,.05) !important; font-weight: 600; }

/* ── REFERENZEN / SOCIAL PROOF ───────────────── */
.referenzen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.referenz-card {
  background: var(--weiss); border-radius: 12px;
  padding: 1.8rem; box-shadow: var(--shadow);
}
.referenz-text { font-style: italic; color: #444; margin-bottom: 1rem; font-size: .95rem; line-height: 1.6; }
.referenz-autor { display: flex; align-items: center; gap: .8rem; }
.referenz-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--blau); color: var(--weiss);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1rem;
}
.referenz-autor strong { display: block; font-size: .9rem; }
.referenz-autor span { font-size: .8rem; color: #888; }
.sterne { color: #f39c12; letter-spacing: 2px; }

/* ── KONTAKT ─────────────────────────────────── */
.kontakt-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem; align-items: start;
}
.kontakt-info h2 { margin-bottom: 1rem; }
.kontakt-punkt {
  display: flex; gap: 1rem; margin-bottom: 1.5rem; align-items: flex-start;
}
.kontakt-punkt-icon {
  font-size: 1.4rem; flex: 0 0 40px;
}
.kontakt-punkt h4 { font-size: .9rem; font-weight: 700; margin-bottom: .2rem; }
.kontakt-punkt p, .kontakt-punkt a { font-size: .9rem; color: #666; text-decoration: none; }
.kontakt-punkt a:hover { color: var(--blau); }
.kontakt-form-wrap {
  background: var(--weiss); border-radius: 16px;
  padding: 2.5rem; box-shadow: 0 8px 40px rgba(0,71,171,.12);
}
.kontakt-form-wrap h3 { margin-bottom: 1.5rem; color: var(--dunkel); font-size: 1.3rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .4rem; color: var(--dunkel); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: .75rem 1rem;
  border: 2px solid #e0e7f0; border-radius: 8px;
  font-size: .95rem; font-family: inherit;
  transition: border-color .2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--blau); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-submit {
  width: 100%; padding: 1rem;
  background: var(--blau); color: var(--weiss);
  border: none; border-radius: 8px;
  font-size: 1rem; font-weight: 700;
  cursor: pointer; transition: background .2s, transform .2s;
}
.form-submit:hover { background: var(--blau-hell); transform: translateY(-1px); }
.form-hinweis { font-size: .8rem; color: #999; margin-top: .8rem; text-align: center; }

/* ── CTA BANNER ──────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--blau), #002d72);
  color: var(--weiss); text-align: center; padding: 80px 5%;
}
.cta-banner h2 { color: var(--weiss); font-size: 2rem; margin-bottom: 1rem; }
.cta-banner p { opacity: .85; margin-bottom: 2rem; font-size: 1.05rem; }
.cta-banner .btn-primary { background: var(--weiss); color: var(--blau); font-size: 1.05rem; padding: 1rem 2.5rem; }
.cta-banner .btn-primary:hover { box-shadow: 0 8px 30px rgba(255,255,255,.3); }

/* ── FOOTER ──────────────────────────────────── */
footer {
  background: var(--dunkel); color: rgba(255,255,255,.7);
  padding: 60px 5% 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem; margin-bottom: 3rem;
}
.footer-brand { font-size: 1.5rem; font-weight: 800; color: var(--weiss); margin-bottom: .8rem; }
.footer-brand span { color: var(--uvc); }
.footer-tagline { font-size: .9rem; opacity: .6; max-width: 260px; }
.footer-col h4 { color: var(--weiss); font-size: .95rem; margin-bottom: 1rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: .5rem; }
.footer-col ul a { text-decoration: none; color: rgba(255,255,255,.6); font-size: .88rem; transition: color .2s; }
.footer-col ul a:hover { color: var(--uvc); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 1.5rem; display: flex;
  justify-content: space-between; align-items: center;
  font-size: .82rem; opacity: .5;
}

/* ── SEITEN-HEADER ───────────────────────────── */
.page-header {
  background: linear-gradient(135deg, var(--dunkel), #0a2342);
  color: var(--weiss); padding: 70px 5% 60px; text-align: center;
}
.page-header .section-label { color: var(--uvc); }
.page-header h1 { color: var(--weiss); font-size: clamp(1.8rem, 3vw, 2.8rem); margin-bottom: 1rem; }
.page-header p { opacity: .8; max-width: 600px; margin: 0 auto; font-size: 1.05rem; }

/* ── SUCCESS MESSAGE ─────────────────────────── */
.success-msg {
  display: none;
  background: #d4edda; border: 1px solid #27ae60;
  color: var(--success); padding: 1rem 1.5rem;
  border-radius: 8px; margin-top: 1rem; font-weight: 600;
}

/* ── RESPONSIVE ──────────────────────────────── */
@media (max-width: 900px) {
  .hero { flex-direction: column; padding: 60px 5%; min-height: auto; }
  .hero-visual { flex: none; width: 100%; max-width: 400px; }
  .tech-grid { grid-template-columns: 1fr; }
  .tech-visual { order: -1; }
  .kontakt-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  nav { padding: 0 4%; }
  .nav-links { display: none; position: absolute; top: 70px; left: 0; right: 0;
    background: var(--weiss); flex-direction: column; padding: 1rem;
    box-shadow: 0 8px 20px rgba(0,0,0,.1); gap: .5rem; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero-stats { flex-wrap: wrap; gap: 1.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: .5rem; text-align: center; }
  .vergleich-table { font-size: .8rem; }
  .vergleich-table th, .vergleich-table td { padding: .6rem .7rem; }
  .zg-problem-loesung { grid-template-columns: 1fr; }
  .produkt-detail-header { flex-direction: column; gap: 1.5rem; }
  .produkt-preis-box { flex-direction: row; gap: 1rem; }
  .config-grid { grid-template-columns: 1fr; }
  .zweispaltig { grid-template-columns: 1fr; }
  .sicherheit-grid { grid-template-columns: 1fr; }
  .wissenschaft-fakten { grid-template-columns: 1fr 1fr; }
  .faq-list--2col { column-count: 1; }
  .kontakt-grid { grid-template-columns: 1fr; }
}

/* ── PAGE HERO ────────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--dunkel) 0%, #0a2342 60%, #003580 100%);
  color: var(--weiss);
  padding: 80px 5% 70px;
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; margin: 1rem 0;
}
.page-hero p { opacity: .85; max-width: 640px; margin: 0 auto; font-size: 1.1rem; }
.page-hero--tech { background: linear-gradient(135deg, #001a3a 0%, var(--dunkel) 60%, #002d5c 100%); }
.page-hero--kontakt { background: linear-gradient(135deg, #002244 0%, var(--dunkel) 60%, var(--blau) 100%); }

/* ── STATS STRIP ──────────────────────────────── */
.stats-strip {
  background: var(--blau);
  color: var(--weiss);
  display: flex; justify-content: space-around; flex-wrap: wrap;
  padding: 2.5rem 5%;
  gap: 1.5rem;
}
.stat-item { text-align: center; }
.stat-item strong { display: block; font-size: 2.2rem; font-weight: 800; color: var(--uvc); }
.stat-item span { font-size: .9rem; opacity: .85; }

/* ── VERGLEICH KARTEN ─────────────────────────── */
.vergleich-karten {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem;
  margin-top: 2.5rem;
}
.vk { padding: 2rem; border-radius: var(--radius); }
.vk--nein { background: #fff5f5; border: 1.5px solid #e74c3c; }
.vk--ja { background: #f0fff4; border: 1.5px solid var(--success); }
.vk h3 { margin-bottom: 1rem; font-size: 1.1rem; }
.vk ul { list-style: none; }
.vk ul li { padding: .4rem 0; border-bottom: 1px solid rgba(0,0,0,.07); font-size: .95rem; }
.vk ul li:last-child { border: none; }
@media (max-width: 700px) { .vergleich-karten { grid-template-columns: 1fr; } }

/* ── HERO DEVICE VISUAL ───────────────────────── */
.hero-visual { flex: 0 0 320px; }
.hero-device { position: relative; text-align: center; }
.device-glow {
  position: absolute; top: 10%; left: 50%; transform: translateX(-50%);
  width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,180,216,.35) 0%, transparent 70%);
  animation: pulse-glow 3s ease-in-out infinite;
}
@keyframes pulse-glow { 0%,100%{opacity:.6;transform:translateX(-50%) scale(1)} 50%{opacity:1;transform:translateX(-50%) scale(1.15)} }
.device-body {
  position: relative; z-index: 1;
  background: linear-gradient(180deg, #1a2a4a 0%, #0d1b2a 100%);
  border: 2px solid rgba(0,180,216,.4);
  border-radius: 60px; width: 100px; height: 320px;
  margin: 0 auto;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1rem; box-shadow: 0 0 40px rgba(0,180,216,.3);
}
.uvc-beam {
  width: 60px; height: 60px; border-radius: 50%;
  background: radial-gradient(circle, var(--uvc) 0%, rgba(0,180,216,.2) 70%);
  animation: beam 2s ease-in-out infinite;
}
@keyframes beam { 0%,100%{box-shadow:0 0 15px var(--uvc)} 50%{box-shadow:0 0 40px var(--uvc), 0 0 80px rgba(0,180,216,.4)} }
.device-label { color: var(--weiss); font-size: .75rem; font-weight: 700; letter-spacing: 1px; }
.device-spec { color: var(--uvc); font-size: .65rem; }
.device-stats {
  display: flex; gap: 1.5rem; justify-content: center; margin-top: 1.5rem;
}
.dstat { text-align: center; }
.dstat span { display: block; color: var(--uvc); font-size: 1.3rem; font-weight: 800; }
.dstat small { color: rgba(255,255,255,.7); font-size: .7rem; }

/* ── HERO BADGES ──────────────────────────────── */
.hero-badges {
  display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.8rem;
}
.hero-badges span {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  padding: .3rem .8rem; border-radius: 20px; font-size: .82rem;
}

/* ── PRODUKT CARD ERGÄNZUNGEN ─────────────────── */
.produkt-card--highlight {
  border-color: var(--uvc);
  box-shadow: 0 8px 32px rgba(0,180,216,.2);
  position: relative;
}
.produkt-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--uvc); color: var(--weiss);
  padding: .2rem .9rem; border-radius: 20px; font-size: .8rem; font-weight: 700;
}
.produkt-fuer { color: var(--blau); font-size: .9rem; font-weight: 600; margin-bottom: 1rem; }
.produkt-specs { border-top: 1px solid #eee; border-bottom: 1px solid #eee; padding: .8rem 0; margin: 1rem 0; }
.spec { display: flex; justify-content: space-between; padding: .25rem 0; font-size: .88rem; }
.spec-label { color: #666; }
.spec-val { font-weight: 600; }
.produkt-preis { font-size: 1.15rem; font-weight: 800; color: var(--blau); margin: .5rem 0 .2rem; }
.produkt-miete { font-size: .85rem; color: #666; margin-bottom: 1rem; }
.btn-link { display: inline-block; margin-top: .5rem; color: var(--blau); font-size: .9rem; text-decoration: none; font-weight: 600; }
.btn-link:hover { text-decoration: underline; }
.produkte-hinweis { text-align: center; margin-top: 2.5rem; }

/* ── ZIELGRUPPEN GRID ─────────────────────────── */
.zielgruppen-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 2rem;
}
.zg-card {
  background: var(--weiss); border: 1.5px solid #e8ecf0;
  border-radius: var(--radius); padding: 2rem 1.5rem;
  text-decoration: none; color: var(--text);
  transition: transform .2s, box-shadow .2s, border-color .2s;
  display: block;
}
.zg-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blau); }
.zg-icon { font-size: 2.2rem; margin-bottom: .8rem; }
.zg-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: .5rem; color: var(--blau); }
.zg-card p { font-size: .88rem; color: #555; margin-bottom: 1rem; }
.zg-link { color: var(--uvc); font-size: .85rem; font-weight: 600; }
@media (max-width: 900px) { .zielgruppen-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .zielgruppen-grid { grid-template-columns: 1fr; } }

/* ── VORTEILE GRID ────────────────────────────── */
.vorteile-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 2rem;
}
.vorteil { background: var(--weiss); padding: 2rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.vorteil-icon { font-size: 2rem; margin-bottom: 1rem; }
.vorteil h3 { font-size: 1rem; font-weight: 700; margin-bottom: .5rem; color: var(--blau); }
.vorteil p { font-size: .9rem; color: #555; }
@media (max-width: 900px) { .vorteile-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .vorteile-grid { grid-template-columns: 1fr; } }

/* ── REFERENZEN ───────────────────────────────── */
.referenzen-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; margin-top: 2rem; }
.referenz-card { background: var(--weiss); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); }
.referenz-sterne { color: #f39c12; font-size: 1.1rem; margin-bottom: .8rem; }
.referenz-card blockquote { font-style: italic; color: #444; font-size: .95rem; line-height: 1.7; margin-bottom: 1rem; }
.referenz-autor strong { color: var(--blau); font-size: .9rem; }
.referenz-autor span { color: #888; font-size: .82rem; }
@media (max-width: 900px) { .referenzen-grid { grid-template-columns: 1fr; } }

/* ── FAQ ──────────────────────────────────────── */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid #e0e6ed; }
.faq-question {
  width: 100%; text-align: left; background: none; border: none;
  padding: 1.2rem 0; cursor: pointer; font-size: 1rem; font-weight: 600;
  color: var(--text); display: flex; justify-content: space-between;
  align-items: center;
}
.faq-question::after { content: '+'; font-size: 1.4rem; color: var(--blau); flex-shrink: 0; }
.faq-item.open .faq-question::after { content: '−'; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer p { padding: 0 0 1.2rem; color: #555; font-size: .95rem; }
.faq-list--2col { column-count: 2; column-gap: 3rem; }
.faq-list--2col .faq-item { break-inside: avoid; }
@media (max-width: 700px) { .faq-list--2col { column-count: 1; } }

/* ── PRODUKT DETAIL ───────────────────────────── */
.produkt-detail { position: relative; }
.produkt-detail-badge {
  display: inline-block; background: var(--uvc); color: var(--weiss);
  padding: .3rem 1rem; border-radius: 20px; font-size: .85rem;
  font-weight: 700; margin-bottom: 1.5rem;
}
.produkt-detail-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 2rem; margin-bottom: 2.5rem;
}
.produkt-detail-header h2 { font-size: 2rem; color: var(--blau); margin: .5rem 0; }
.produkt-tagline { color: #555; font-size: 1.02rem; max-width: 560px; }
.produkt-preis-box {
  display: flex; gap: 1.5rem; flex-shrink: 0;
  background: var(--grau); padding: 1.5rem; border-radius: var(--radius);
}
.preis-kauf, .preis-miete { text-align: center; }
.preis-label { display: block; font-size: .78rem; color: #888; margin-bottom: .3rem; text-transform: uppercase; }
.preis-kauf strong, .preis-miete strong { font-size: 1.1rem; color: var(--blau); }
.preis-kauf small, .preis-miete small { color: #888; font-size: .82rem; }

.produkt-detail-body { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
@media (max-width: 800px) { .produkt-detail-body { grid-template-columns: 1fr; } }

.specs-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.specs-table td { padding: .6rem .5rem; border-bottom: 1px solid #eee; }
.specs-table td:first-child { color: #666; width: 50%; }

.highlight-list { list-style: none; margin: 1rem 0; }
.highlight-list li { padding: .45rem 0; border-bottom: 1px solid #f0f0f0; font-size: .9rem; }

.ideal-fuer { margin: 1.5rem 0; }
.ideal-fuer h4 { margin-bottom: .7rem; font-size: .9rem; color: #888; text-transform: uppercase; }
.ideal-tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.ideal-tags span {
  background: #e8f4ff; color: var(--blau);
  padding: .2rem .7rem; border-radius: 20px; font-size: .8rem; font-weight: 600;
}

/* ── MIETE CARDS ──────────────────────────────── */
.miete-vorteile { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; margin-top: 2rem; }
.miete-card { background: var(--weiss); padding: 1.8rem; border-radius: var(--radius); box-shadow: var(--shadow); text-align: center; }
.miete-icon { font-size: 2rem; margin-bottom: .8rem; }
.miete-card h3 { font-size: 1rem; font-weight: 700; color: var(--blau); margin-bottom: .5rem; }
.miete-card p { font-size: .88rem; color: #555; }
@media (max-width: 900px) { .miete-vorteile { grid-template-columns: 1fr 1fr; } }

/* ── VERGLEICH TABLE ERGÄNZUNGEN ──────────────── */
.th-highlight { background: var(--blau) !important; color: var(--weiss) !important; }
.td-highlight { background: rgba(0,71,171,.05); font-weight: 700; }
.table-scroll { overflow-x: auto; }

/* ── TECHNOLOGIE ──────────────────────────────── */
.tech-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
@media (max-width: 800px) { .tech-intro { grid-template-columns: 1fr; } }

.uvc-spectrum { list-style: none; margin: 1.5rem 0; }
.uvc-spectrum li { padding: .5rem 0; border-bottom: 1px solid #eee; }
.badge-uva, .badge-uvb, .badge-uvc {
  display: inline-block; padding: .15rem .6rem; border-radius: 4px;
  font-size: .8rem; font-weight: 700; margin-right: .5rem;
}
.badge-uva { background: #ffe5b4; color: #b7600a; }
.badge-uvb { background: #ffd6d6; color: #c0392b; }
.badge-uvc { background: #d6f0ff; color: var(--blau); }

.spektrum-diagram { background: var(--grau); padding: 2rem; border-radius: var(--radius); }
.spektrum-bar { display: flex; border-radius: 8px; overflow: hidden; height: 80px; }
.s-uva, .s-uvb, .s-uvc {
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; text-align: center; padding: .5rem;
}
.s-uva { background: #ffe5b4; color: #b7600a; flex: 2; }
.s-uvb { background: #ffd6d6; color: #c0392b; flex: 1; }
.s-uvc { background: var(--uvc); color: var(--weiss); flex: 1; }
.s-uvc.active { background: var(--blau); box-shadow: 0 0 20px rgba(0,71,171,.4); }
.spektrum-label { margin-top: .8rem; font-size: .78rem; color: #888; text-align: center; }

.wirkung-schritte { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 2rem; }
@media (max-width: 700px) { .wirkung-schritte { grid-template-columns: 1fr; } }
.wirkung-step { display: flex; gap: 1.5rem; align-items: flex-start; }
.step-num {
  flex-shrink: 0; width: 48px; height: 48px; border-radius: 50%;
  background: var(--blau); color: var(--weiss);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem;
}
.step-content h3 { font-size: 1rem; color: var(--blau); margin-bottom: .4rem; }
.step-content p { font-size: .9rem; color: #555; }

.zweispaltig { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
@media (max-width: 800px) { .zweispaltig { grid-template-columns: 1fr; } }
.problem-liste, .vorteil-liste { list-style: none; margin: 1rem 0; }
.problem-liste li, .vorteil-liste li { padding: .5rem 0; border-bottom: 1px solid #eee; font-size: .9rem; }

.hinweis-box {
  background: #fff8e1; border-left: 4px solid #f39c12;
  padding: 1rem 1.2rem; border-radius: 4px; font-size: .88rem; color: #555; margin-top: 1.5rem;
}

.sicherheit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
@media (max-width: 700px) { .sicherheit-grid { grid-template-columns: 1fr; } }
.sicherheit-karte { padding: 2rem; border-radius: var(--radius); border: 1.5px solid #e8ecf0; }
.sicherheit-karte--gruen { border-color: var(--success); background: #f0fff4; }
.sicherheit-karte h3 { margin-bottom: 1rem; }
.sicherheit-karte ul { list-style: none; }
.sicherheit-karte ul li { padding: .4rem 0; border-bottom: 1px solid rgba(0,0,0,.06); font-size: .9rem; }

.wissenschaft-fakten { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }
@media (max-width: 900px) { .wissenschaft-fakten { grid-template-columns: 1fr 1fr; } }
.wiss-fakt { text-align: center; padding: 1.5rem; background: var(--weiss); border-radius: var(--radius); box-shadow: var(--shadow); }
.wiss-icon { font-size: 2.5rem; margin-bottom: .8rem; }
.wiss-fakt h3 { font-size: .95rem; color: var(--blau); margin-bottom: .5rem; }
.wiss-fakt p { font-size: .85rem; color: #555; }

/* ── ZIELGRUPPEN DETAIL ───────────────────────── */
.zg-detail { display: flex; gap: 2.5rem; align-items: flex-start; }
.zg-detail-icon { font-size: 3.5rem; flex-shrink: 0; }
.zg-lead { font-size: 1.05rem; color: #444; margin-bottom: 2rem; max-width: 680px; }
.zg-problem-loesung { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin: 1.5rem 0 2rem; }
@media (max-width: 700px) { .zg-problem-loesung { grid-template-columns: 1fr; } .zg-detail { flex-direction: column; } }
.zg-problem, .zg-loesung { padding: 1.5rem; border-radius: var(--radius); }
.zg-problem { background: #fff5f5; border: 1px solid #ffc5c5; }
.zg-loesung { background: #f0fff4; border: 1px solid #b2e5c1; }
.zg-problem h3, .zg-loesung h3 { margin-bottom: .8rem; font-size: .95rem; }
.zg-problem ul, .zg-loesung ul { list-style: none; }
.zg-problem ul li, .zg-loesung ul li { padding: .35rem 0; font-size: .88rem; border-bottom: 1px solid rgba(0,0,0,.06); }

.zg-empfehlung { margin: 1.5rem 0; }
.zg-empfehlung h3 { margin-bottom: 1rem; font-size: 1rem; color: var(--blau); }
.config-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
@media (max-width: 700px) { .config-grid { grid-template-columns: 1fr; } }
.config-item { background: var(--grau); padding: 1rem; border-radius: 8px; }
.config-item strong { display: block; font-size: .88rem; color: var(--blau); margin-bottom: .3rem; }
.config-item span { display: block; font-size: .88rem; }
.config-preis { color: var(--success); font-weight: 700 !important; margin-top: .3rem; }

/* ── KONTAKT ──────────────────────────────────── */
.kontakt-grid { display: grid; grid-template-columns: 1fr 420px; gap: 3rem; align-items: start; }
@media (max-width: 1000px) { .kontakt-grid { grid-template-columns: 1fr; } }

.kontakt-formular h2 { font-size: 1.6rem; color: var(--blau); margin-bottom: .5rem; }
.kontakt-formular > p { color: #666; margin-bottom: 2rem; }

.form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label { font-size: .88rem; font-weight: 600; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
  padding: .75rem 1rem; border: 1.5px solid #d0d9e6;
  border-radius: 8px; font-size: .95rem; color: var(--text);
  font-family: inherit; transition: border-color .2s;
  background: var(--weiss);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--blau);
  box-shadow: 0 0 0 3px rgba(0,71,171,.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.form-group--checkbox { flex-direction: row; align-items: flex-start; gap: .5rem; }
.checkbox-label { display: flex; gap: .6rem; align-items: flex-start; cursor: pointer; font-size: .88rem; }
.checkbox-label input { margin-top: 3px; accent-color: var(--blau); }
.checkbox-label a { color: var(--blau); }

.btn-submit { margin-top: .5rem; font-size: 1rem; }
.form-hinweis { font-size: .8rem; color: #999; margin-top: .3rem; }
.form-message {
  padding: .8rem 1.2rem; border-radius: 8px; font-weight: 600; font-size: .95rem;
  margin-top: .5rem;
}
.form-message--success { background: #d4edda; color: #155724; border: 1px solid #b2dfdb; }
.form-message--error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

.kontakt-info { display: flex; flex-direction: column; gap: 1.5rem; }
.kontakt-box { background: var(--grau); padding: 1.8rem; border-radius: var(--radius); }
.kontakt-box h3 { font-size: 1.05rem; color: var(--blau); margin-bottom: 1.2rem; }
.kontakt-box--uvc { background: linear-gradient(135deg, #e8f4ff, #f0f8ff); border: 1.5px solid var(--blau); }
.kontakt-box--uvc ul { list-style: none; margin-bottom: 1rem; }
.kontakt-box--uvc ul li { padding: .35rem 0; font-size: .9rem; border-bottom: 1px solid rgba(0,71,171,.1); }

.kontakt-detail { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1rem; }
.kd-icon { font-size: 1.4rem; flex-shrink: 0; }
.kontakt-detail strong { display: block; font-size: .85rem; color: #888; text-transform: uppercase; margin-bottom: .2rem; }
.kontakt-detail a, .kontakt-detail span { font-size: .95rem; color: var(--text); text-decoration: none; }
.kontakt-detail a:hover { color: var(--blau); }

.ablauf-liste { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.ablauf-liste li { display: flex; gap: 1rem; align-items: flex-start; }
.ablauf-num {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%;
  background: var(--blau); color: var(--weiss);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .85rem;
}
.ablauf-liste strong { display: block; font-size: .9rem; margin-bottom: .2rem; }
.ablauf-liste p { font-size: .85rem; color: #666; }

/* ── SCROLL REVEAL ────────────────────────────── */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible { opacity: 1; transform: none; }