/* =====================================================================
   KÜHLEBRISE – styles.css
   Mobile-first, responsive. Kein Framework, kein Build-Step.
   Farbschema: kühles Blau/Weiß/Grau, Terracotta nur als CTA-Akzent.
   ===================================================================== */

:root{
  /* Basis: kühles Blau / Weiß / Grau */
  --ink:      #16323c;   /* Haupttext */
  --ink-soft: #486070;   /* Sekundärtext */
  --teal:     #1f8a86;   /* Markenfarbe (Logo) */
  --teal-dk:  #17706c;
  --blue:     #2f6f96;   /* Überschriften-Akzent */
  --blue-dk:  #1e4d6b;
  --sky:      #e9f3f8;   /* helle Flächen */
  --sky-2:    #f4f8fb;
  --gray:     #f5f7f9;
  --line:     #dde5ea;
  --white:    #ffffff;

  /* Akzent nur für Call-to-Action */
  --cta:      #d3603f;
  --cta-dk:   #b74e30;

  --ok:       #2e8b57;

  --maxw: 1120px;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(20,50,60,.10);
  --shadow-sm: 0 4px 14px rgba(20,50,60,.08);

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:84px; }
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.65;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:var(--blue); text-decoration:none; }
a:hover{ text-decoration:underline; }

h1,h2,h3{ line-height:1.2; color:var(--ink); font-weight:800; letter-spacing:-.01em; }
h2{ font-size:clamp(1.6rem,3.4vw,2.4rem); margin:0 0 .5em; }
h3{ font-size:1.25rem; margin:0 0 .4em; }
p{ margin:0 0 1em; }

.container{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 20px; }
.section{ padding:72px 0; }
.section--tint{ background:var(--sky-2); }
.section--blue{ background:linear-gradient(160deg,#1e4d6b,#2f6f96); color:#eaf4fb; }
.section--blue h2, .section--blue h3{ color:#fff; }
.lead{ font-size:1.15rem; color:var(--ink-soft); max-width:60ch; }
.center{ text-align:center; }
.center .lead{ margin-left:auto; margin-right:auto; }
.eyebrow{
  display:inline-block; font-size:.8rem; font-weight:700; letter-spacing:.12em;
  text-transform:uppercase; color:var(--teal); margin-bottom:.6em;
}

/* ---- Buttons -------------------------------------------------------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em; justify-content:center;
  font-weight:700; font-size:1rem; line-height:1; cursor:pointer;
  padding:15px 26px; border-radius:999px; border:2px solid transparent;
  transition:.18s ease; text-decoration:none;
}
.btn:hover{ text-decoration:none; transform:translateY(-1px); }
.btn--cta{ background:var(--cta); color:#fff; box-shadow:0 8px 20px rgba(211,96,63,.28); }
.btn--cta:hover{ background:var(--cta-dk); }
.btn--ghost{ background:transparent; color:var(--blue-dk); border-color:var(--line); }
.btn--ghost:hover{ border-color:var(--blue); }
.btn--white{ background:#fff; color:var(--blue-dk); }
.btn--wa{ background:#25d366; color:#0b2e18; }
.btn--wa:hover{ background:#1fbc59; }
.btn--lg{ padding:18px 34px; font-size:1.08rem; }

/* ---- Header --------------------------------------------------------- */
.header{
  position:sticky; top:0; z-index:100; background:rgba(255,255,255,.96);
  backdrop-filter:saturate(1.4) blur(8px);
  border-bottom:1px solid var(--line);
}
.header__row{ display:flex; align-items:center; justify-content:space-between; height:72px; gap:16px; }
.brand{ display:flex; align-items:center; }
.brand img{ height:44px; width:auto; }
.nav{ display:flex; align-items:center; gap:22px; }
.nav a{ color:var(--ink); font-weight:600; font-size:.98rem; }
.nav a:hover{ color:var(--teal); text-decoration:none; }
.header__phone{ display:flex; align-items:center; gap:8px; font-weight:800; color:var(--blue-dk); white-space:nowrap; }
.header__phone .num{ font-size:1.05rem; }
.header__phone small{ display:block; font-size:.66rem; font-weight:600; color:var(--ink-soft); letter-spacing:.04em; }
.burger{
  display:none; background:none; border:0; cursor:pointer; padding:8px;
  width:44px; height:44px;
}
.burger span{ display:block; width:24px; height:2.5px; background:var(--ink); margin:5px auto; border-radius:2px; transition:.2s; }

/* ---- Hero ----------------------------------------------------------- */
.hero{ position:relative; overflow:hidden; background:linear-gradient(180deg,var(--sky),#fff); }
.hero__bg{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:.28; mix-blend-mode:multiply; pointer-events:none; z-index:0;
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 60%);
          mask-image:linear-gradient(90deg, transparent, #000 60%);
}
.hero__grid{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.05fr .95fr; gap:40px; align-items:center;
  padding:64px 0 72px;
}
.hero h1{ font-size:clamp(2rem,5vw,3.3rem); margin:.15em 0 .35em; }
.hero .accent{ color:var(--teal); }
.hero__promise{
  display:inline-flex; align-items:center; gap:10px; background:#fff;
  border:1px solid var(--line); border-left:5px solid var(--cta);
  border-radius:12px; padding:12px 16px; margin:6px 0 20px; box-shadow:var(--shadow-sm);
  font-weight:700; color:var(--ink);
}
.hero__promise .flag{ font-size:.62rem; font-weight:800; letter-spacing:.08em; color:var(--cta-dk);
  background:#fbe7df; padding:3px 7px; border-radius:6px; text-transform:uppercase; }
.hero__promise .flag--ok{ color:#1c6b40; background:#e5f5ec; font-size:.8rem; padding:2px 8px; }
.hero__actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:8px; }
.hero__figure{ position:relative; }
.hero__figure img{ width:100%; aspect-ratio:4/3; object-fit:cover; border-radius:var(--radius); box-shadow:var(--shadow); }
.hero__trust{ display:flex; flex-wrap:wrap; gap:18px 26px; margin-top:22px; color:var(--ink-soft); font-size:.92rem; }
.hero__trust b{ color:var(--ink); }

/* Verknappungs-Banner */
.scarcity{
  display:flex; align-items:center; justify-content:center; gap:10px; flex-wrap:wrap;
  background:var(--blue-dk); color:#eaf4fb; font-weight:600; font-size:.95rem;
  padding:10px 16px; text-align:center;
}
.scarcity b{ color:#fff; }
.scarcity .dot{ width:8px; height:8px; border-radius:50%; background:#7fe3c0; box-shadow:0 0 0 0 rgba(127,227,192,.7); animation:pulse 2s infinite; }
@keyframes pulse{ 70%{ box-shadow:0 0 0 10px rgba(127,227,192,0);} 100%{ box-shadow:0 0 0 0 rgba(127,227,192,0);} }

/* ---- Generische Grids ---------------------------------------------- */
.grid{ display:grid; gap:26px; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
.split{ display:grid; grid-template-columns:1fr 1fr; gap:44px; align-items:center; }
.split img{ border-radius:var(--radius); box-shadow:var(--shadow); }

/* ---- Problem / Lösung ---------------------------------------------- */
.problem__points{ list-style:none; padding:0; margin:0; display:grid; gap:14px; }
.problem__points li{ display:flex; gap:12px; align-items:flex-start; }
.problem__points .ic{ flex:0 0 auto; width:26px; height:26px; border-radius:50%; background:var(--sky);
  color:var(--blue-dk); display:grid; place-items:center; font-weight:800; }

/* ---- BTU-Rechner ---------------------------------------------------- */
.calc{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  box-shadow:var(--shadow); padding:28px; display:grid; grid-template-columns:1fr 1fr; gap:28px;
}
.calc__form label{ display:block; font-weight:700; margin:14px 0 6px; font-size:.95rem; }
.calc__form input[type=range]{ width:100%; }
.calc__form select, .calc__form input[type=number]{
  width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:10px;
  font-size:1rem; font-family:inherit; background:#fff; color:var(--ink);
}
.rangewrap{ display:flex; align-items:center; gap:14px; }
.rangewrap output{ font-weight:800; color:var(--blue-dk); min-width:64px; text-align:right; }
.check{ display:flex; align-items:center; gap:10px; margin:10px 0; font-weight:600; }
.check input{ width:20px; height:20px; accent-color:var(--teal); }
.calc__result{
  background:linear-gradient(160deg,var(--sky),#fff); border:1px solid var(--line);
  border-radius:12px; padding:24px; display:flex; flex-direction:column; justify-content:center;
}
.calc__big{ font-size:2.6rem; font-weight:800; color:var(--blue-dk); line-height:1; }
.calc__big span{ font-size:1rem; font-weight:600; color:var(--ink-soft); }
.calc__rec{ margin-top:14px; padding:14px; background:#fff; border-radius:10px; border:1px solid var(--line); }
.calc__rec b{ color:var(--teal-dk); }
.disclaimer{ font-size:.82rem; color:var(--ink-soft); margin-top:14px; }

/* ---- Produktkarten -------------------------------------------------- */
.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow-sm); display:flex; flex-direction:column;
  transition:.2s; position:relative;
}
.card:hover{ box-shadow:var(--shadow); transform:translateY(-3px); }
.card__media{ background:var(--gray); aspect-ratio:4/3; overflow:hidden; }
.card__media img{ width:100%; height:100%; object-fit:cover; }
.card__badge{ position:absolute; top:14px; left:14px; background:var(--teal); color:#fff;
  font-size:.72rem; font-weight:700; padding:6px 11px; border-radius:999px; letter-spacing:.03em; }
.card__body{ padding:20px 22px 24px; display:flex; flex-direction:column; flex:1; }
.card__specs{ list-style:none; padding:0; margin:6px 0 16px; display:grid; gap:7px; font-size:.93rem; color:var(--ink-soft); }
.card__specs li{ display:flex; gap:8px; }
.card__specs li::before{ content:"✓"; color:var(--teal); font-weight:800; }
.chips{ display:flex; flex-wrap:wrap; gap:6px; margin:2px 0 12px; }
.chip{ font-size:.72rem; font-weight:700; padding:4px 10px; border-radius:999px; background:var(--sky); color:var(--blue-dk); }
.chip--r290{ background:#e5f5ec; color:#1c6b40; }
.price{ margin-top:auto; }
.price .amount{ font-size:1.7rem; font-weight:800; color:var(--ink); }
.price .from{ font-size:.85rem; color:var(--ink-soft); font-weight:600; }
.price .star{ font-size:.75rem; color:var(--ink-soft); margin-top:2px; }
.card .btn{ margin-top:16px; }

/* ---- Warum Kühlebrise (3 Gründe) ----------------------------------- */
.reason{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:26px; box-shadow:var(--shadow-sm); }
.reason .num{ font-size:.85rem; font-weight:800; color:var(--cta); letter-spacing:.1em; }
.reason h3{ margin-top:6px; }

/* ---- Ablauf-Schritte ----------------------------------------------- */
.steps{ counter-reset:step; display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.step{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-sm); }
.step__media{ aspect-ratio:16/10; overflow:hidden; background:var(--gray); }
.step__media img{ width:100%; height:100%; object-fit:cover; }
.step__body{ padding:22px; position:relative; }
.step__body::before{ counter-increment:step; content:counter(step); position:absolute; top:-26px; left:22px;
  width:44px; height:44px; border-radius:50%; background:var(--cta); color:#fff; font-weight:800;
  display:grid; place-items:center; font-size:1.2rem; box-shadow:var(--shadow-sm); }

/* ---- Zielgruppen / Räume ------------------------------------------- */
.rooms{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.room{ position:relative; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-sm); aspect-ratio:3/4; }
.room img{ width:100%; height:100%; object-fit:cover; transition:.3s; }
.room:hover img{ transform:scale(1.05); }
.room figcaption{ position:absolute; inset:auto 0 0 0; padding:26px 16px 14px; color:#fff; font-weight:700;
  background:linear-gradient(transparent, rgba(10,30,40,.82)); }
.room figcaption small{ display:block; font-weight:500; font-size:.8rem; opacity:.9; }

/* ---- R290 / Info-Box ------------------------------------------------ */
.infobox{ background:#fff; border:1px solid var(--line); border-left:5px solid var(--teal);
  border-radius:12px; padding:22px 24px; box-shadow:var(--shadow-sm); }
.badgelist{ list-style:none; padding:0; margin:0; display:grid; gap:12px; }
.badgelist li{ display:flex; gap:12px; align-items:flex-start; }
.badgelist .ic{ flex:0 0 auto; width:30px; height:30px; border-radius:8px; background:#e5f5ec; color:#1c6b40;
  display:grid; place-items:center; font-weight:800; }

.note{ font-size:.86rem; color:var(--ink-soft); background:var(--gray); border:1px dashed var(--line);
  border-radius:10px; padding:12px 14px; }

/* ---- Blog-Teaser ---------------------------------------------------- */
.postcard{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
  box-shadow:var(--shadow-sm); display:flex; flex-direction:column; transition:.2s; }
.postcard:hover{ box-shadow:var(--shadow); transform:translateY(-3px); text-decoration:none; }
.postcard__media{ aspect-ratio:16/9; overflow:hidden; background:var(--gray); }
.postcard__media img{ width:100%; height:100%; object-fit:cover; }
.postcard__body{ padding:22px; }
.postcard__body .tag{ font-size:.75rem; font-weight:700; color:var(--teal); text-transform:uppercase; letter-spacing:.08em; }
.postcard__body h3{ color:var(--ink); margin:.4em 0; }
.postcard__body p{ color:var(--ink-soft); margin:0; }

/* ---- Kontakt / Formular -------------------------------------------- */
.form{ display:grid; gap:14px; }
.form .field{ display:grid; gap:6px; }
.form label{ font-weight:700; font-size:.92rem; }
.form input, .form select, .form textarea{
  padding:13px 15px; border:1px solid var(--line); border-radius:10px; font-size:1rem;
  font-family:inherit; background:#fff; color:var(--ink); width:100%;
}
.form textarea{ min-height:120px; resize:vertical; }
.form .row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.form .consent{ display:flex; gap:10px; align-items:flex-start; font-size:.86rem; color:var(--ink-soft); }
.form .consent input{ width:20px; height:20px; margin-top:2px; accent-color:var(--teal); }
.form__ok{ background:#e5f5ec; border:1px solid #bfe6cf; color:#1c6b40; padding:14px; border-radius:10px; font-weight:600; display:none; }
.contact__alt{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:26px; box-shadow:var(--shadow-sm); }
.contact__alt a.big{ font-size:1.3rem; font-weight:800; color:var(--blue-dk); }

/* ---- Footer --------------------------------------------------------- */
.footer{ background:#12303a; color:#c6d6de; padding:56px 0 26px; font-size:.92rem; }
.footer a{ color:#c6d6de; }
.footer a:hover{ color:#fff; }
.footer__grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:30px; }
.footer h4{ color:#fff; font-size:.95rem; margin:0 0 12px; letter-spacing:.02em; }
.footer ul{ list-style:none; padding:0; margin:0; display:grid; gap:8px; }
.footer .brandline img{ height:42px; margin-bottom:12px; filter:brightness(0) invert(1); opacity:.95; }
.footer__todo{ font-size:.78rem; color:#f0b8a5; background:rgba(211,96,63,.14); border:1px dashed rgba(211,96,63,.5);
  border-radius:8px; padding:8px 12px; margin-top:10px; }
.footer__bottom{ border-top:1px solid rgba(255,255,255,.12); margin-top:36px; padding-top:20px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; color:#8fa6b1; font-size:.85rem; }

/* ---- Sticky Call (Mobile) ------------------------------------------ */
.sticky-call{ display:none; }

/* ---- Rechtsseiten (Impressum etc.) --------------------------------- */
.legal{ max-width:820px; }
.legal h1{ font-size:2rem; margin-bottom:.4em; }
.legal h2{ font-size:1.3rem; margin-top:1.4em; }
.legal .placeholder{ background:#fff4ef; border:1px dashed var(--cta); color:var(--cta-dk);
  padding:2px 6px; border-radius:5px; font-weight:700; }
.legal .todo-banner{ background:#fff4ef; border:1px solid var(--cta); color:var(--cta-dk);
  border-radius:10px; padding:14px 18px; font-weight:600; margin-bottom:26px; }

/* ---- Blog-Artikel --------------------------------------------------- */
.article{ max-width:760px; }
.article .meta{ color:var(--ink-soft); font-size:.9rem; margin-bottom:20px; }
.article h1{ font-size:clamp(1.8rem,4vw,2.6rem); }
.article h2{ margin-top:1.6em; }
.article h3{ margin-top:1.2em; }
.article table{ width:100%; border-collapse:collapse; margin:20px 0; font-size:.95rem; }
.article th, .article td{ border:1px solid var(--line); padding:10px 12px; text-align:left; }
.article th{ background:var(--sky); color:var(--blue-dk); }
.article tr:nth-child(even) td{ background:var(--sky-2); }
.article .callout{ background:var(--sky-2); border-left:5px solid var(--teal); border-radius:10px; padding:16px 20px; margin:22px 0; }
.article img{ border-radius:var(--radius); box-shadow:var(--shadow-sm); margin:20px 0; }
.breadcrumb{ font-size:.85rem; color:var(--ink-soft); margin-bottom:14px; }
.article .backlinks{ margin-top:40px; padding-top:24px; border-top:1px solid var(--line); display:flex; gap:16px; flex-wrap:wrap; }

/* ---- Trust-Leiste --------------------------------------------------- */
.trustbar{ background:#fff; border-bottom:1px solid var(--line); }
.trustbar__row{ display:flex; flex-wrap:wrap; justify-content:center; gap:14px 30px; padding:16px 20px; }
.trustitem{ display:flex; align-items:center; gap:8px; font-weight:700; font-size:.92rem; color:var(--ink); }
.trustitem__ic{ font-size:1.05rem; }

/* ---- Value-Stack ---------------------------------------------------- */
.valuestack{ background:linear-gradient(160deg,var(--sky),#fff); border:1px solid var(--line);
  border-radius:var(--radius); box-shadow:var(--shadow-sm); padding:30px; text-align:center; }
.valuestack__head h3{ font-size:1.4rem; margin:0; }
.valuestack__head p{ color:var(--ink-soft); margin:.3em 0 18px; }
.valuestack__list{ list-style:none; padding:0; margin:0 auto 22px; max-width:720px;
  display:grid; grid-template-columns:repeat(2,1fr); gap:10px 26px; text-align:left; }
.valuestack__list li{ display:flex; gap:10px; font-weight:600; }
.valuestack__list li::before{ content:"✓"; color:var(--teal); font-weight:800; }

/* ---- Preis: Komplettpaket + Gerät ----------------------------------- */
.price__pkg .from{ font-size:.85rem; color:var(--ink-soft); font-weight:600; }
.price__dev{ font-size:.82rem; color:var(--ink-soft); margin-top:2px; }

/* ---- Formular-Trust + Honeypot -------------------------------------- */
.form__trust{ font-size:.85rem; color:var(--teal-dk); font-weight:600; margin:4px 0 0; }
.hp{ position:absolute !important; left:-9999px; }

/* ---- FAQ (native details/summary) ----------------------------------- */
.faq{ max-width:820px; margin:0 auto; display:grid; gap:12px; }
.faq__item{ background:#fff; border:1px solid var(--line); border-radius:12px; box-shadow:var(--shadow-sm); overflow:hidden; }
.faq__item summary{ cursor:pointer; list-style:none; padding:18px 22px; font-weight:700; color:var(--ink);
  display:flex; justify-content:space-between; align-items:center; gap:12px; }
.faq__item summary::-webkit-details-marker{ display:none; }
.faq__item summary::after{ content:"+"; font-size:1.5rem; line-height:1; color:var(--teal); font-weight:800; flex:0 0 auto; }
.faq__item[open] summary::after{ content:"\2013"; }
.faq__a{ padding:0 22px 20px; color:var(--ink-soft); }
.faq__a p{ margin:0; }

/* ---- Zwei Kaufwege --------------------------------------------------- */
.wege{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.weg{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:24px; box-shadow:var(--shadow-sm); }
.weg--primary{ border-color:var(--cta); border-width:2px; box-shadow:0 8px 24px rgba(211,96,63,.14); }
.weg__num{ display:inline-block; font-size:.75rem; font-weight:800; letter-spacing:.08em; color:var(--cta); margin-bottom:6px; }
.weg--primary .weg__num{ color:var(--cta-dk); }
.weg h3{ margin:.2em 0 .4em; }
.weg p{ color:var(--ink-soft); margin:0 0 .6em; }
.weg__note{ font-size:.84rem; background:var(--gray); border-radius:8px; padding:10px 12px; margin:0 !important; }

/* ---- Produktkarten: zwei CTAs --------------------------------------- */
.card__actions{ display:flex; flex-direction:column; gap:10px; margin-top:16px; }
.card__actions .btn{ width:100%; margin-top:0; }
.card__soon{ font-size:.78rem; color:var(--ink-soft); text-align:center; margin:8px 0 0; }

/* ---- Kontakt: Schnellkontakt + Formularkarte ------------------------ */
.cq-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; max-width:820px; margin:0 auto 24px; }
.cq{ display:flex; align-items:center; gap:12px; background:#fff; border:1px solid var(--line);
  border-radius:12px; padding:14px 18px; box-shadow:var(--shadow-sm); color:var(--ink); transition:.18s; }
.cq:hover{ text-decoration:none; transform:translateY(-2px); box-shadow:var(--shadow); border-color:var(--teal); }
.cq__ic{ font-size:1.3rem; flex:0 0 auto; }
.cq small{ display:block; font-size:.72rem; color:var(--ink-soft); font-weight:600; letter-spacing:.03em; }
.cq b{ font-size:1rem; color:var(--blue-dk); }
.cq--wa b{ color:#1c7d43; }

.form--card{ max-width:680px; margin:0 auto; background:#fff; border:1px solid var(--line);
  border-radius:var(--radius); box-shadow:var(--shadow); padding:28px; }
.form--card button[type=submit]{ width:100%; }
.form .opt{ font-weight:400; color:var(--ink-soft); font-size:.85em; }
.form__trust{ text-align:center; }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 900px){
  .hero__grid{ grid-template-columns:1fr; gap:28px; padding:40px 0 52px; }
  .hero__figure{ order:-1; }
  .split{ grid-template-columns:1fr; gap:26px; }
  .grid-3, .grid-4, .steps, .rooms{ grid-template-columns:repeat(2,1fr); }
  .calc{ grid-template-columns:1fr; }
  .footer__grid{ grid-template-columns:1fr 1fr; }

  /* Mobile-Nav */
  .burger{ display:block; }
  .nav{
    position:fixed; inset:72px 0 auto 0; flex-direction:column; align-items:stretch;
    background:#fff; border-bottom:1px solid var(--line); padding:12px 20px 22px; gap:2px;
    transform:translateY(-120%); transition:transform .25s ease; box-shadow:var(--shadow); z-index:99;
  }
  .nav.open{ transform:translateY(0); }
  .nav a{ padding:13px 4px; border-bottom:1px solid var(--gray); font-size:1.05rem; }
  .brand img{ height:34px; }
  .header__phone .num{ display:none; }
  .header__phone{ font-size:0; }
  .header__phone::after{ content:"Anrufen"; font-size:.95rem; }

  /* Sticky Call Button */
  .sticky-call{
    display:flex; position:fixed; left:0; right:0; bottom:0; z-index:90;
    gap:10px; padding:10px 14px; background:rgba(255,255,255,.97);
    border-top:1px solid var(--line); box-shadow:0 -6px 20px rgba(20,50,60,.10);
  }
  .sticky-call .btn{ flex:1; padding:14px; }
  body{ padding-bottom:70px; }
}
@media (max-width: 560px){
  .grid-3, .grid-4, .steps, .rooms, .footer__grid, .form .row{ grid-template-columns:1fr; }
  .section{ padding:52px 0; }
  .rooms{ grid-template-columns:repeat(2,1fr); }
  .valuestack__list{ grid-template-columns:1fr; }
  .trustbar__row{ gap:10px 18px; }
  .trustitem{ font-size:.84rem; }
  .wege{ grid-template-columns:1fr; }
  .brand img{ height:30px; }
  .cq-row{ grid-template-columns:1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto; }
}