/* REDESDO – keine externen Ressourcen (DSGVO): Systemschriften, keine Webfonts, kein Tracking */
:root {
  --navy-900: #12283f;
  --navy-800: #1d3c5e;
  --navy-700: #2a5079;
  --blue-500: #3d6996;
  --aqua-400: #5cc3e2;
  --aqua-100: #e3f5fb;
  --aqua-50: #f2fafd;
  --ink: #142231;
  --muted: #586979;
  --line: #dce6ee;
  --bg: #ffffff;
  --bg-alt: #f4f8fb;
  --danger: #c43c3c;
  --warn: #c98a12;
  --radius: 16px;
  --max: 1180px;
  --shadow: 0 1px 2px rgba(18,40,63,.04), 0 12px 32px rgba(18,40,63,.07);
  --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "SF Pro Text", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, "SF Pro Display", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg);
  line-height: 1.65; font-size: 16.5px; -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--blue-500); }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; color: var(--navy-800); margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-weight: 750; }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); font-weight: 720; }
h3 { font-weight: 680; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--aqua-400); outline-offset: 2px; border-radius: 4px; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: 104px 0; }
.section.alt { background: var(--bg-alt); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; font-size: .78rem; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase; color: var(--blue-500); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; border-radius: 2px; }
.lead { color: var(--muted); font-size: 1.12rem; max-width: 660px; }
.section-head { margin-bottom: 52px; }
.section-head.center { text-align: center; }
.section-head.center .lead { margin: 0 auto; }
.section-head.center .eyebrow::before { display: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 999px; font: inherit; font-weight: 650; font-size: .98rem;
  text-decoration: none; cursor: pointer; border: 0;
  background: var(--aqua-400); color: var(--navy-900);
  transition: background .2s, transform .2s, box-shadow .2s;
}
.btn:hover { background: #86d6ec; transform: translateY(-1px); box-shadow: 0 8px 20px rgba(92,195,226,.3); }
.btn.dark { background: var(--navy-800); color: #fff; }
.btn.dark:hover { background: var(--navy-700); box-shadow: 0 8px 20px rgba(29,60,94,.25); }
.btn.ghost { background: transparent; color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.45); }
.btn.ghost:hover { background: rgba(255,255,255,.08); box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.8); }
.btn svg { width: 18px; height: 18px; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.9);
  backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.logo { text-decoration: none; display: flex; align-items: center; gap: 12px; }
.logo-img { height: 58px; width: auto; }
.footer-logo { height: 54px; width: auto; }
.logo-mark { width: 38px; height: 38px; flex: none; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-word { font-family: var(--font-display); font-weight: 800; font-size: 1.45rem; letter-spacing: .05em; color: var(--navy-800); }
.logo-word sup { font-size: .45em; color: var(--aqua-400); margin-left: 1px; }
.logo-tag { font-size: .58rem; letter-spacing: .26em; color: var(--blue-500); margin-top: 5px; font-weight: 650; }
.nav { display: flex; gap: 30px; align-items: center; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 550; font-size: .95rem; position: relative; }
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--aqua-400);
  transform: scaleX(0); transition: transform .2s; transform-origin: left;
}
.nav a:not(.btn):hover::after { transform: scaleX(1); }
.nav .btn { padding: 10px 18px; font-size: .92rem; }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; color: var(--navy-800); cursor: pointer; }
.menu-toggle svg { width: 26px; height: 26px; }

/* Hero */
.hero {
  position: relative; color: #fff; overflow: hidden; isolation: isolate;
  background:
    radial-gradient(900px 480px at 80% 10%, rgba(92,195,226,.30), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(61,105,150,.35), transparent 60%),
    linear-gradient(160deg, var(--navy-900) 0%, var(--navy-800) 55%, #2a5079 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background-image: radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to bottom, #000 30%, transparent 90%);
  -webkit-mask-image: linear-gradient(to bottom, #000 30%, transparent 90%);
}
.hero .container { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding-top: 96px; padding-bottom: 140px; }
.hero h1 { color: #fff; font-size: clamp(2.3rem, 5vw, 3.9rem); }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, #a8e3f2, var(--aqua-400)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: #c6dbeb; font-size: 1.16rem; max-width: 560px; }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }
.hero-badge {
  display: inline-flex; gap: 10px; align-items: center; font-size: .85rem; font-weight: 600;
  padding: 7px 14px 7px 8px; border-radius: 999px; background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.14); margin-bottom: 24px; color: #dbeef8;
}
.hero-badge b { background: var(--aqua-400); color: var(--navy-900); border-radius: 999px; padding: 2px 9px; font-size: .78rem; }
.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; filter: drop-shadow(0 30px 50px rgba(0,0,0,.35)); }
.wave { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: 80px; z-index: 1; }

/* Trust bar */
.trust { margin-top: -56px; position: relative; z-index: 2; }
.trust-inner {
  background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow);
  display: grid; grid-template-columns: repeat(4, minmax(0,1fr));
}
.trust-item { padding: 24px 26px; display: flex; gap: 14px; align-items: center; }
.trust-item + .trust-item { border-left: 1px solid var(--line); }
.trust-item strong { display: block; font-family: var(--font-display); font-size: 1.05rem; color: var(--navy-800); line-height: 1.25; }
.trust-item span { font-size: .86rem; color: var(--muted); }
.trust-icon { width: 42px; height: 42px; border-radius: 12px; background: var(--aqua-100); color: var(--blue-500); display: grid; place-items: center; flex: none; }
.trust-icon svg { width: 22px; height: 22px; }

/* Core services */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.core {
  position: relative; display: flex; flex-direction: column; text-decoration: none; color: inherit;
  background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 34px 30px 30px; overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.core:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #c4d8e6; }
.core .num { font-family: var(--font-display); font-weight: 800; font-size: .9rem; color: var(--aqua-400); letter-spacing: .1em; }
.core h3 { font-size: 1.4rem; margin: 18px 0 10px; }
.core p { color: var(--muted); flex: 1; }
.core .more { font-weight: 650; color: var(--blue-500); display: inline-flex; gap: 6px; align-items: center; }
.core .more::after { content: "→"; transition: transform .2s; }
.core:hover .more::after { transform: translateX(4px); }
.core-icon { width: 60px; height: 60px; border-radius: 16px; display: grid; place-items: center; background: linear-gradient(140deg, var(--navy-800), var(--blue-500)); color: #fff; margin-top: 18px; }
.core-icon svg { width: 30px; height: 30px; }
.core.featured { background: linear-gradient(160deg, var(--navy-800), var(--navy-700)); border-color: transparent; color: #fff; }
.core.featured h3 { color: #fff; }
.core.featured p { color: #bcd3e4; }
.core.featured .more { color: var(--aqua-400); }
.core.featured .core-icon { background: var(--aqua-400); color: var(--navy-900); }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.split.top { align-items: start; }

/* Steps */
.steps { list-style: none; margin: 0; padding: 0; counter-reset: s; position: relative; }
.steps::before { content: ""; position: absolute; left: 21px; top: 10px; bottom: 10px; width: 2px; background: linear-gradient(var(--aqua-400), var(--line)); }
.steps li { counter-increment: s; position: relative; padding: 0 0 26px 66px; }
.steps li:last-child { padding-bottom: 0; }
.steps li::before {
  content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: -4px; width: 44px; height: 44px;
  border-radius: 50%; background: #fff; border: 2px solid var(--aqua-400); color: var(--navy-800);
  display: grid; place-items: center; font-weight: 750; font-size: .88rem; font-family: var(--font-display);
}
.steps h4 { font-size: 1.08rem; margin: 0 0 4px; }
.steps p { margin: 0; color: var(--muted); font-size: .97rem; }

.checklist { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.checklist li { padding-left: 34px; position: relative; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--aqua-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233d6996' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat;
}

.media-card {
  border-radius: 24px; overflow: hidden; background: linear-gradient(160deg, var(--aqua-50), var(--aqua-100));
  border: 1px solid var(--line); padding: 28px;
}
.media-card svg { width: 100%; height: auto; }
.note { margin-top: 18px; display: flex; gap: 12px; padding: 16px 18px; background: #fff; border-radius: 14px; border: 1px solid var(--line); font-size: .93rem; color: var(--muted); }
.note strong { color: var(--navy-800); }

/* Chlordioxid band */
.band {
  position: relative; overflow: hidden; color: #fff; isolation: isolate;
  background: linear-gradient(150deg, var(--navy-900), var(--navy-800) 50%, #2f5a86);
}
.band::after {
  content: ""; position: absolute; right: -200px; top: -200px; width: 600px; height: 600px; z-index: -1;
  background: radial-gradient(circle, rgba(92,195,226,.28), transparent 65%);
}
.band h2 { color: #fff; }
.band .lead { color: #bcd3e4; }
.band .eyebrow { color: var(--aqua-400); }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.feature {
  padding: 24px; border-radius: 16px; background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1); transition: background .2s;
}
.feature:hover { background: rgba(255,255,255,.08); }
.feature h4 { color: #fff; font-size: 1.05rem; margin: 14px 0 6px; }
.feature p { color: #a9c3d8; font-size: .94rem; margin: 0; }
.feature-icon { width: 40px; height: 40px; border-radius: 10px; background: rgba(92,195,226,.15); color: var(--aqua-400); display: grid; place-items: center; }
.feature-icon svg { width: 22px; height: 22px; }
.formula {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 28px; padding: 18px 20px;
  border-radius: 14px; background: rgba(255,255,255,.06); border: 1px dashed rgba(255,255,255,.2); font-size: .95rem; color: #cfe3f1;
}
.chem { font-weight: 700; color: #fff; background: rgba(92,195,226,.18); padding: 4px 10px; border-radius: 8px; }
.chem.out { background: var(--aqua-400); color: var(--navy-900); }

/* Products */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.chip {
  font: inherit; font-size: .92rem; font-weight: 600; padding: 9px 18px; border-radius: 999px; cursor: pointer;
  background: #fff; color: var(--ink); border: 1px solid var(--line); transition: all .2s;
}
.chip:hover { border-color: var(--blue-500); }
.chip[aria-pressed="true"] { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }
.products { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.product {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 24px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.product:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #c4d8e6; }
.product[hidden] { display: none; }
.product-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.cat { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--blue-500); }
.signal { font-size: .72rem; font-weight: 700; padding: 3px 9px; border-radius: 6px; white-space: nowrap; }
.signal.gefahr { background: #fdeaea; color: var(--danger); }
.signal.achtung { background: #fdf3df; color: var(--warn); }
.product h3 { font-size: 1.2rem; margin: 0 0 6px; }
.product p { color: var(--muted); font-size: .94rem; flex: 1; margin-bottom: 16px; }
.agent { display: inline-block; font-size: .82rem; color: var(--navy-800); background: var(--aqua-50); border: 1px solid var(--aqua-100); padding: 4px 10px; border-radius: 8px; margin-bottom: 18px; align-self: flex-start; }
.combo { display: inline-block; font-size: .82rem; font-weight: 650; color: var(--blue-500); margin: -8px 0 18px; align-self: flex-start; }
.sdb-link {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px;
  border-radius: 12px; background: var(--bg-alt); text-decoration: none; color: var(--navy-800); font-weight: 600; font-size: .9rem;
  transition: background .2s;
}
.sdb-link:hover { background: var(--aqua-100); }
.sdb-link .pdf { font-size: .68rem; font-weight: 800; color: #fff; background: var(--danger); border-radius: 5px; padding: 3px 6px; margin-right: 8px; }
.sdb-link small { color: var(--muted); font-weight: 500; }
.products-foot { margin-top: 28px; font-size: .9rem; color: var(--muted); }

/* More services */
.more-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 14px; }
.mini { padding: 22px 20px; border-radius: 16px; background: #fff; border: 1px solid var(--line); }
.mini h4 { font-size: 1rem; margin: 12px 0 4px; }
.mini p { font-size: .87rem; color: var(--muted); margin: 0; }
.mini .trust-icon { width: 38px; height: 38px; }

/* Contact */
.contact-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: stretch; }
.contact-info {
  border-radius: 24px; padding: 40px; color: #fff;
  background: linear-gradient(160deg, var(--navy-800), var(--navy-700));
}
.contact-info h2 { color: #fff; }
.contact-info .lead { color: #bcd3e4; }
.contact-line { display: flex; gap: 14px; align-items: flex-start; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.1); }
.contact-line:first-of-type { margin-top: 24px; }
.contact-line .feature-icon { flex: none; }
.contact-line small { display: block; color: #8fb0c9; font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 600; }
.contact-line a, .contact-line span { color: #fff; text-decoration: none; font-weight: 600; }
.contact-line a:hover { color: var(--aqua-400); }

.form { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 40px; display: grid; gap: 16px; box-shadow: var(--shadow); }
.form h3 { font-size: 1.4rem; margin: 0; }
.form label { font-size: .86rem; font-weight: 650; color: var(--navy-800); display: grid; gap: 6px; }
.form input, .form textarea, .form select {
  font: inherit; font-size: 1rem; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--bg-alt); color: var(--ink); transition: border-color .2s, background .2s;
}
.form input:focus, .form textarea:focus, .form select:focus { outline: none; border-color: var(--blue-500); background: #fff; box-shadow: 0 0 0 4px rgba(61,105,150,.12); }
.form textarea { min-height: 130px; resize: vertical; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form .privacy-note { font-size: .82rem; color: var(--muted); margin: 0; }
.form .hp { position: absolute; left: -9999px; }

/* Locations */
.loc { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 28px; }
.loc h3 { font-size: 1.2rem; display: flex; justify-content: space-between; align-items: center; }
.loc .tag { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--blue-500); background: var(--aqua-100); padding: 4px 10px; border-radius: 999px; }
.loc address { font-style: normal; color: var(--muted); margin-bottom: 14px; }
.loc dl { display: grid; grid-template-columns: 70px 1fr; gap: 6px 12px; margin: 0 0 16px; font-size: .95rem; }
.loc dt { color: var(--muted); }
.loc dd { margin: 0; }
.loc dd a { text-decoration: none; color: var(--navy-800); font-weight: 600; }
.loc .route { font-weight: 650; text-decoration: none; font-size: .93rem; }
.hours { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: .95rem; }

/* Footer */
.footer { background: var(--navy-900); color: #93afc6; padding: 72px 0 32px; font-size: .93rem; }
.footer .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer h4 { color: #fff; margin: 0 0 14px; font-size: 1rem; }
.footer a { color: #c4d9e9; text-decoration: none; }
.footer a:hover { color: var(--aqua-400); }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer .logo-word { color: #fff; }
.footer .logo-tag { color: var(--aqua-400); }
.footer .bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 48px; padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .86rem; }

/* Legal pages */
.page-hero { background: linear-gradient(160deg, var(--navy-900), var(--navy-800)); color: #fff; padding: 72px 0 64px; }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4vw, 2.8rem); margin: 0; }
.page-hero p { color: #a9c3d8; margin: 10px 0 0; }
.legal { max-width: 800px; }
.legal h2 { font-size: 1.35rem; margin: 2.2em 0 .6em; padding-top: 1.2em; border-top: 1px solid var(--line); }
.legal h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.legal h3 { font-size: 1.08rem; margin: 1.6em 0 .4em; }
.legal ul { padding-left: 1.2em; }
.legal li { margin-bottom: .35em; }
.legal .box { padding: 20px 22px; background: var(--bg-alt); border-radius: 14px; border: 1px solid var(--line); }
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px; }
.toc a { font-size: .86rem; padding: 6px 12px; border-radius: 999px; background: var(--bg-alt); border: 1px solid var(--line); text-decoration: none; color: var(--navy-800); }
.toc a:hover { border-color: var(--blue-500); }

/* Reveal animation (reduced-motion safe) */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
  .js .reveal.in { opacity: 1; transform: none; }
  .ripple { animation: ripple 6s ease-in-out infinite; }
  .bubble { animation: bubble 5s ease-in infinite; }
}
@keyframes ripple { 0%,100% { transform: translateX(0); } 50% { transform: translateX(-30px); } }
@keyframes bubble { 0% { transform: translateY(0); opacity: 0; } 15% { opacity: .9; } 100% { transform: translateY(-70px); opacity: 0; } }

/* Responsive */
@media (max-width: 1080px) {
  .more-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .products { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .hero .container, .split, .contact-wrap { grid-template-columns: 1fr; }
  .split { gap: 44px; }
  .hero-art { max-width: 560px; }
  .grid-3 { grid-template-columns: 1fr; }
  .trust-inner { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .trust-item:nth-child(3) { border-left: 0; }
  .trust-item:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 1060px) {
  .menu-toggle { display: block; }
  .nav {
    display: none; position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 20px; gap: 0; box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .nav a:not(.btn)::after { display: none; }
  .nav .btn { margin-top: 14px; border-bottom: 0; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  .section { padding: 72px 0; }
  .hero .container { padding-top: 56px; padding-bottom: 110px; gap: 28px; }
  .hero .actions .btn { flex: 1 1 100%; }
  .trust-inner { grid-template-columns: 1fr; }
  .trust-item + .trust-item { border-left: 0; border-top: 1px solid var(--line); }
  .grid-2, .feature-grid, .products, .form .row { grid-template-columns: 1fr; }
  .more-grid { grid-template-columns: 1fr 1fr; }
  .contact-info, .form { padding: 26px 20px; }
  .footer .cols { grid-template-columns: 1fr; }
  .steps li { padding-left: 60px; }
  .logo-img { height: 40px; }
}

/* Brunnenregenerierung */
.well-box {
  display: grid; grid-template-columns: auto 1fr auto; gap: 22px; align-items: center;
  padding: 26px 28px; margin-bottom: 32px; border-radius: 20px;
  background: linear-gradient(135deg, var(--aqua-50), var(--aqua-100)); border: 1px solid #cbe9f3;
}
.well-box .core-icon { margin: 0; }
.well-box h3 { font-size: 1.2rem; margin-bottom: 4px; }
.well-box p { margin: 0; color: var(--muted); font-size: .96rem; }
.combo.well { color: var(--navy-700); }
@media (max-width: 760px) {
  .well-box { grid-template-columns: 1fr; padding: 22px 20px; }
}

/* UV-Anlagen */
.uv-visual { border-radius: 24px; padding: 36px 28px; background: linear-gradient(160deg, #ffffff, #f1edff 60%, var(--aqua-50)); border: 1px solid var(--line); box-shadow: var(--shadow); }
.uv-visual svg { width: 100%; height: auto; }
@media (prefers-reduced-motion: no-preference) {
  .uv-glow { animation: uvpulse 3.2s ease-in-out infinite; }
}
@keyframes uvpulse { 0%,100% { opacity: .75; } 50% { opacity: 1; } }
@media (max-width: 1080px) { .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 640px) { .grid-4 { grid-template-columns: 1fr; } }

/* Hero-Grafik: Schrift & Bewegung */
.hero-art text { font-family: var(--font); }
@media (prefers-reduced-motion: no-preference) {
  .flow { stroke-dasharray: 4 12; animation: flow 1.1s linear infinite; }
  .flow-slow { stroke-dasharray: 3 6; animation: flow 1.6s linear infinite; }
  .spin { transform-box: fill-box; transform-origin: center; animation: spin 2.4s linear infinite; }
}
@media (prefers-reduced-motion: reduce) {
  .flow { opacity: 0; }
  .flow-slow { stroke-dasharray: 3 6; }
}
@keyframes flow { to { stroke-dashoffset: -16; } }
@keyframes spin { to { transform: rotate(360deg); } }

/* Hero: Text oben, großes Schaubild darunter */
.hero .container { display: block; padding-top: 80px; padding-bottom: 130px; }
.hero-intro { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: end; }
.hero-intro h1 { margin-bottom: 0; }
.hero-side p { margin-bottom: 0; }
.hero-side .actions { margin-top: 24px; }
.hero-art { margin-top: 56px; max-width: none; }
.hero-art svg { filter: drop-shadow(0 30px 60px rgba(0,0,0,.35)); }
@media (max-width: 960px) {
  .hero-intro { grid-template-columns: 1fr; gap: 20px; }
  .hero-art { max-width: none; margin-top: 40px; }
}
@media (max-width: 640px) {
  .hero .container { padding-top: 48px; padding-bottom: 100px; }
  .hero-art { margin: 32px -8px 0; }
}

/* Weitere Leistungen */
.svc-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 20px; }
.svc {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 26px 24px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.svc:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #c4d8e6; }
.svc-icon { width: 48px; height: 48px; border-radius: 14px; background: var(--aqua-100); color: var(--blue-500); display: grid; place-items: center; margin-bottom: 18px; flex: none; }
.svc-icon svg { width: 24px; height: 24px; }
.svc h3 { font-size: 1.1rem; margin-bottom: 8px; }
.svc p { color: var(--muted); font-size: .94rem; margin: 0; flex: 1; }
.svc-link { margin-top: 14px; font-weight: 650; font-size: .9rem; text-decoration: none; }
.advice {
  margin-top: 28px; display: grid; grid-template-columns: auto 1fr auto; gap: 22px; align-items: center;
  padding: 26px 30px; border-radius: 20px; color: #fff; background: linear-gradient(135deg, var(--navy-800), var(--navy-700));
}
.advice .svc-icon { margin: 0; background: rgba(92,195,226,.18); color: var(--aqua-400); }
.advice h3 { color: #fff; font-size: 1.2rem; margin-bottom: 4px; }
.advice p { color: #bcd3e4; margin: 0; }
@media (max-width: 1080px) { .svc-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 640px) { .svc-grid, .advice { grid-template-columns: 1fr; } .advice { padding: 24px 20px; } }

/* Membrandosierpumpen: Membran pulsiert im Hubtakt */
@media (prefers-reduced-motion: no-preference) {
  .membrane { transform-box: fill-box; transform-origin: left center; animation: stroke-pulse 1.1s ease-in-out infinite; }
  .mpump:nth-of-type(2n) .membrane { animation-delay: -.55s; }
}
@keyframes stroke-pulse { 0%,100% { transform: scaleX(.25); } 50% { transform: scaleX(1); } }

/* WhatsApp (nur Link, kein eingebettetes Skript) */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  display: inline-flex; align-items: center; gap: 10px; padding: 12px 18px 12px 14px;
  border-radius: 999px; background: #25d366; color: #fff; text-decoration: none; font-weight: 700; font-size: .95rem;
  box-shadow: 0 10px 28px rgba(18,40,63,.28); transition: transform .2s, box-shadow .2s;
}
.wa-float:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(18,40,63,.34); color: #fff; }
.wa-float svg { width: 26px; height: 26px; }
.contact-line .feature-icon svg { width: 22px; height: 22px; }
@media (max-width: 640px) {
  .wa-float { right: 14px; bottom: 14px; padding: 13px; }
  .wa-float span { display: none; }
}
@media print { .wa-float { display: none; } }

/* Bestellformular */
.order { display: grid; gap: 28px; max-width: 1000px; margin: 0 auto; }
.order-step { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 32px; box-shadow: var(--shadow); }
.order-step h2 { font-size: 1.35rem; display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.num-badge { width: 32px; height: 32px; border-radius: 50%; background: var(--navy-800); color: #fff; display: grid; place-items: center; font-size: .95rem; flex: none; }
.hint-text { color: var(--muted); font-size: .94rem; margin: -6px 0 18px; }
.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.choice { cursor: pointer; position: relative; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice-box {
  display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 14px; align-items: center;
  padding: 20px; border: 2px solid var(--line); border-radius: 16px; transition: border-color .2s, background .2s, box-shadow .2s;
}
.choice-icon { grid-row: span 2; width: 46px; height: 46px; border-radius: 12px; background: var(--aqua-100); color: var(--blue-500); display: grid; place-items: center; }
.choice-icon svg { width: 24px; height: 24px; }
.choice-box strong { color: var(--navy-800); font-size: 1.05rem; }
.choice-box small { color: var(--muted); }
.choice input:checked + .choice-box { border-color: var(--blue-500); background: var(--aqua-50); box-shadow: 0 0 0 4px rgba(61,105,150,.1); }
.choice input:checked + .choice-box .choice-icon { background: var(--navy-800); color: #fff; }
.choice input:focus-visible + .choice-box { outline: 3px solid var(--aqua-400); outline-offset: 2px; }

.order-list { display: grid; gap: 10px; }
.order-row {
  display: grid; grid-template-columns: 1fr 150px 210px; gap: 16px; align-items: center;
  padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; transition: border-color .2s, background .2s;
}
.order-row.active { border-color: var(--blue-500); background: var(--aqua-50); }
.order-prod { display: grid; gap: 2px; }
.order-prod strong { color: var(--navy-800); }
.order-prod small { color: var(--muted); font-size: .82rem; }
.order-row label, .order-fields label, .order-extra { font-size: .8rem; font-weight: 650; color: var(--navy-800); display: grid; gap: 5px; }
.order input, .order textarea, .order select {
  font: inherit; font-size: .98rem; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-alt); color: var(--ink); width: 100%;
}
.order input:focus, .order textarea:focus, .order select:focus { outline: none; border-color: var(--blue-500); background: #fff; box-shadow: 0 0 0 4px rgba(61,105,150,.12); }
.stepper { display: grid; grid-template-columns: 36px 1fr 36px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--bg-alt); }
.order .stepper input { border: 0; border-radius: 0; text-align: center; background: transparent; padding: 9px 0; -moz-appearance: textfield; }
.stepper input::-webkit-outer-spin-button, .stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.order .stepper input:focus { box-shadow: none; }
.step { border: 0; background: transparent; font-size: 1.2rem; font-weight: 700; color: var(--blue-500); cursor: pointer; }
.step:hover { background: var(--aqua-100); }
.order-extra { margin-top: 18px; }
.order-error { margin: 14px 0 0; padding: 12px 16px; border-radius: 10px; background: #fdeaea; color: #b02a2a; font-weight: 600; font-size: .92rem; }
.order-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.order-fields .span-2 { grid-column: span 2; }
.opt { font-weight: 400; color: var(--muted); }
.check { display: flex; gap: 12px; align-items: flex-start; margin-top: 20px; font-size: .93rem; color: var(--ink); cursor: pointer; }
.order .check input { width: 20px; height: 20px; margin-top: 2px; flex: none; accent-color: var(--navy-800); }

.order-send { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.order-summary { background: var(--bg-alt); border-radius: 16px; padding: 22px; }
.order-summary strong { color: var(--navy-800); display: block; margin-bottom: 10px; }
.order-summary ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; font-size: .93rem; }
.order-summary li { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 8px; border-bottom: 1px dashed var(--line); }
.order-summary li b { color: var(--blue-500); white-space: nowrap; }
.order-summary li.empty { color: var(--muted); border: 0; }
.send-box h2 { margin-bottom: 10px; }
.send-buttons { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.send-buttons .btn { flex: 1 1 200px; }
.btn.wa { background: #25d366; color: #fff; }
.btn.wa:hover { background: #1fb959; box-shadow: 0 8px 20px rgba(37,211,102,.3); }
.btn.wa svg { width: 20px; height: 20px; }
.order .privacy-note { font-size: .82rem; color: var(--muted); margin: 0; }
.order .hp { position: absolute; left: -9999px; }

/* Bestell-Links auf der Startseite */
.order-link { display: block; text-align: center; margin-top: 10px; padding: 10px; border-radius: 12px; font-weight: 650; font-size: .9rem; text-decoration: none; color: var(--navy-800); border: 1.5px solid var(--line); transition: border-color .2s, background .2s; }
.order-link:hover { border-color: var(--blue-500); background: var(--aqua-50); }
.order-cta { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between; padding: 24px 28px; border-radius: 20px; background: var(--aqua-50); border: 1px solid #cbe9f3; }
.order-cta h3 { margin: 0 0 4px; font-size: 1.2rem; }
.order-cta p { margin: 0; color: var(--muted); }

@media (max-width: 760px) {
  .order-step { padding: 22px 18px; }
  .choice-grid, .order-fields, .order-send { grid-template-columns: 1fr; }
  .order-fields .span-2 { grid-column: auto; }
  .order-row { grid-template-columns: 1fr 1fr; }
  .order-prod { grid-column: span 2; }
}

.nav a { white-space: nowrap; }
@media (min-width: 1061px) and (max-width: 1240px) { .nav { gap: 20px; } }

.packs { font-size: .82rem; color: var(--muted); margin: -10px 0 16px; }
.packs::before { content: "▣ "; color: var(--blue-500); }

.order-pack { align-content: start; }
.order-pack .pack-other { margin-top: 6px; }

/* Sprunglink für Tastatur- und Screenreader-Nutzer */
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--navy-800); color: #fff; font-weight: 600; border-radius: 8px; text-decoration: none; }
.skip:focus { top: 12px; color: #fff; }

/* Platz für den WhatsApp-Button, damit er die Fußzeile nicht verdeckt */
.footer { padding-bottom: 88px; }