/* ============================================================
   Klimaanlagenbau Lars Deutschmann — Website
   Stil: frisch & freundlich, zentriert (Variante 3B)
   ============================================================ */
:root{
  --petrol:#0C5478; --petrol-d:#083A54; --cyan:#2E9DB3; --cyan-l:#54C4D8;
  --ink:#123642; --muted:#5A7683; --line:#DCE6EC; --paper:#FBFDFE;
  --soft:#F4FAFC; --sky:#EAF6FA;
  --wrap:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);
     font-family:"Inter",system-ui,-apple-system,sans-serif;line-height:1.65;
     -webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.brand,.btn{font-family:"Poppins",system-ui,sans-serif;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 26px}

/* ---------- Kopf / Navigation ---------- */
header.top{position:sticky;top:0;z-index:50;background:rgba(251,253,254,.86);
           backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:22px;height:74px}
.nav .brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:16px;color:var(--petrol)}
.nav .brand img{height:40px;width:auto}
.nav .links{margin-left:auto;display:flex;gap:22px;font-size:14.5px;font-weight:500}
.nav .links a{color:var(--muted);transition:color .15s;padding:4px 0;border-bottom:2px solid transparent}
.nav .links a:hover{color:var(--petrol)}
.nav .links a.on{color:var(--petrol);border-bottom-color:var(--cyan)}
.nav .cta{margin-left:6px}
.burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2px;background:var(--petrol);margin:5px 0;border-radius:2px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;
     padding:12px 24px;border-radius:100px;cursor:pointer;border:0;transition:.18s;line-height:1.2}
.btn-primary{background:var(--petrol);color:#fff;box-shadow:0 8px 20px -8px rgba(12,84,120,.6)}
.btn-primary:hover{background:var(--petrol-d);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--petrol);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--cyan);background:var(--soft)}
.btn-light{background:#fff;color:var(--petrol)}
.btn-light:hover{background:var(--sky)}
.arrow{transition:transform .18s}
.btn:hover .arrow{transform:translateX(3px)}

/* ---------- Hero (Startseite) ---------- */
.hero{background:linear-gradient(180deg,var(--sky) 0%,#F4FBFC 55%,var(--paper) 100%);
      padding:74px 0 12px;text-align:center;position:relative;overflow:hidden}
.hero .inner{max-width:780px;margin:0 auto}
.hero-logo{height:96px;width:auto;margin:0 auto 24px;display:block}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--cyan);
      background:#fff;padding:8px 17px;border-radius:100px;margin-bottom:24px;
      box-shadow:0 6px 16px -8px rgba(46,157,179,.5)}
.hero h1{font-size:54px;font-weight:700;line-height:1.08;margin-bottom:20px}
.hero h1 .c{color:var(--cyan)}
.hero p.lead{font-size:19px;color:var(--muted);max-width:560px;margin:0 auto 34px}
.hero .acts{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.play{display:inline-flex;align-items:center;gap:10px;font-family:"Poppins";font-weight:600;
      font-size:14.5px;color:var(--petrol)}
.play i{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
        background:#fff;border-radius:50%;box-shadow:0 6px 14px -6px rgba(0,0,0,.3);font-style:normal;font-size:11px}
.hero .scene{margin:44px auto 0;max-width:260px}
.airflow{stroke:var(--cyan-l);stroke-width:2.6;fill:none;stroke-linecap:round;stroke-dasharray:8 11}
@keyframes drift{0%{stroke-dashoffset:0}100%{stroke-dashoffset:-38}}
.airflow.mv{animation:drift 3s linear infinite}

/* ---------- Seitenkopf (Unterseiten) ---------- */
.pagehead{background:linear-gradient(180deg,var(--sky),var(--paper));padding:60px 0 46px;text-align:center}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.14em;
         text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.pagehead h1{font-size:42px;font-weight:700;margin-bottom:14px}
.pagehead p{font-size:18px;color:var(--muted);max-width:600px;margin:0 auto}

/* ---------- Abschnitte ---------- */
section.block{padding:64px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 44px}
.sec-head .eyebrow{margin-bottom:12px}
.sec-head h2{font-size:34px;font-weight:700;margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:17px}

/* ---------- Karten ---------- */
.cards{display:grid;gap:20px}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;transition:.2s}
.card:hover{border-color:var(--cyan);transform:translateY(-3px);
            box-shadow:0 18px 40px -22px rgba(12,84,120,.35)}
.card .ic{width:56px;height:56px;border-radius:16px;background:var(--sky);
          display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card h3{font-size:20px;font-weight:600;margin-bottom:9px}
.card p{color:var(--muted);font-size:15px}
.card ul{list-style:none;margin-top:12px;display:flex;flex-direction:column;gap:7px}
.card ul li{position:relative;padding-left:24px;font-size:14.5px;color:var(--muted)}
.card ul li::before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:700}

/* ---------- Hervorgehobene Kernleistung ---------- */
.feature{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.feature.single{grid-template-columns:1fr;max-width:820px;margin:0 auto;text-align:center}
.feature.single .feature-txt .eyebrow{margin-bottom:12px}
.feature-txt .eyebrow{margin-bottom:12px}
.feature-txt h2{font-size:34px;font-weight:700;margin-bottom:16px;line-height:1.12}
.feature-txt p{color:var(--muted);font-size:16.5px;margin-bottom:14px}
.feature-card{background:linear-gradient(150deg,var(--petrol),var(--petrol-d));border-radius:24px;
              padding:14px 26px;color:#fff;box-shadow:0 24px 50px -26px rgba(12,84,120,.6)}
.fc-row{display:flex;align-items:center;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.14);
        font-size:16px;font-weight:500;font-family:"Poppins"}
.fc-row.last{border-bottom:0}

/* ---------- Leistungs-Zeilen (kompakt) ---------- */
.rows{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.lrow{display:flex;gap:20px;align-items:flex-start;background:#fff;border:1px solid var(--line);
      border-radius:16px;padding:22px 24px;transition:.18s}
.lrow:hover{border-color:var(--cyan);box-shadow:0 14px 34px -22px rgba(12,84,120,.34)}
.lrow-ic{flex:none;width:52px;height:52px;border-radius:14px;background:var(--sky);
         display:flex;align-items:center;justify-content:center}
.lrow h4{font-family:"Poppins";font-size:18px;font-weight:600;margin-bottom:5px}
.lrow p{color:var(--muted);font-size:15px;margin:0}

/* ---------- Petrol-Band ---------- */
.band{background:linear-gradient(135deg,var(--petrol),var(--petrol-d));color:#fff;
      border-radius:28px;padding:52px;position:relative;overflow:hidden}
.band::after{content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;
             border-radius:50%;background:radial-gradient(circle,rgba(84,196,216,.26),transparent 70%)}
.band .in{position:relative;z-index:1}
.band .eyebrow{color:var(--cyan-l)}
.band h2{font-size:32px;font-weight:700;margin-bottom:14px}
.band p{color:#C4DCE6;font-size:17px;max-width:520px;margin:0 auto 26px}
.band.center{text-align:center}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px;text-align:left}
.step{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:22px}
.step .n{font-family:"Poppins";font-weight:700;color:var(--petrol-d);background:var(--cyan-l);
         width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
         margin-bottom:14px}
.step h4{font-size:16px;font-weight:600;margin-bottom:5px}
.step p{color:#A9C9D5;font-size:14px;margin:0}

/* ---------- Werdegang (Zeitachse) ---------- */
.time{max-width:760px;margin:0 auto;position:relative}
.time::before{content:"";position:absolute;left:19px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tstep{position:relative;padding:0 0 30px 60px}
.tstep:last-child{padding-bottom:0}
.tstep .dot{position:absolute;left:9px;top:2px;width:22px;height:22px;border-radius:50%;
            background:#fff;border:3px solid var(--cyan);z-index:1}
.tstep.now .dot{background:var(--cyan)}
.tstep h3{font-size:18px;font-weight:600;margin-bottom:4px}
.tstep p{color:var(--muted);font-size:15px}

/* ---------- Preistabelle ---------- */
.prices{max-width:760px;margin:0 auto}
.ptab{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);
      border-radius:18px;overflow:hidden}
.ptab th{background:var(--petrol);color:#fff;text-align:left;padding:15px 22px;font-size:14px;
         font-family:"Poppins";font-weight:600}
.ptab th.r,.ptab td.r{text-align:right}
.ptab td{padding:15px 22px;border-top:1px solid var(--line);font-size:15.5px}
.ptab tr:nth-child(even) td{background:var(--soft)}
.ptab .price{font-family:"Poppins";font-weight:700;color:var(--petrol);white-space:nowrap}
.note{background:var(--soft);border-left:4px solid var(--cyan);border-radius:8px;
      padding:14px 18px;font-size:15px;color:var(--ink);margin-top:18px}
.ph{background:#FFF3D6;border:1px dashed #D8A400;border-radius:8px;padding:2px 9px;
    font-size:13px;font-weight:600;color:#9A7400;font-family:"Poppins"}

/* ---------- Galerie (Referenzen) ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.shot{aspect-ratio:4/3;background:var(--sky);border:1px solid var(--line);border-radius:16px;
      display:flex;align-items:center;justify-content:center;color:#9DBCCB;overflow:hidden;position:relative}
.shot img{width:100%;height:100%;object-fit:cover}
.shot .ph-in{text-align:center;font-size:13px;color:#8FB0BF}
.shot .ph-in b{display:block;font-family:"Poppins";font-weight:600;color:var(--petrol);margin-bottom:3px}

/* ---------- Info-Boxen / Prosa ---------- */
.prose{max-width:760px;margin:0 auto}
.prose p{color:var(--muted);font-size:16.5px;margin-bottom:16px}
.prose h3{font-size:21px;font-weight:600;margin:26px 0 10px}
.callout{background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:26px;margin:20px 0}
.callout h3{margin-top:0}

/* ---------- Kontakt / CTA-Fuß ---------- */
.ctaband{text-align:center;padding:60px 0}
.ctaband h2{font-size:32px;font-weight:700;margin-bottom:12px}
.ctaband p{color:var(--muted);font-size:17px;max-width:500px;margin:0 auto 26px}

/* ---------- Footer ---------- */
footer.foot{background:var(--petrol-d);color:#B7D2DD;padding:56px 0 30px;margin-top:30px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px;margin-bottom:36px}
.foot h5{font-family:"Poppins";color:#fff;font-size:15px;margin-bottom:15px;font-weight:600}
.foot .brand{display:flex;align-items:center;gap:11px;color:#fff;font-family:"Poppins";
             font-weight:600;font-size:16px;margin-bottom:13px}
.foot .brand img{height:38px;filter:brightness(0) invert(1)}
.foot a{color:#B7D2DD;display:block;margin-bottom:9px;font-size:14.5px;transition:color .15s}
.foot a:hover{color:var(--cyan-l)}
.foot .muted{font-size:14.5px;max-width:290px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:13px;
             color:#7FA6B4;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- Responsive ---------- */
@media(max-width:860px){
  .wrap{padding:0 20px}
  .nav .links{display:none}
  .nav .links.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;
                   background:#fff;border-bottom:1px solid var(--line);padding:16px 26px;gap:14px;
                   box-shadow:0 12px 24px -12px rgba(0,0,0,.2)}
  .burger{display:block}
  .nav .cta{display:none}
  .hero{padding:48px 0 12px}
  .hero-logo{height:76px}
  .hero h1{font-size:34px}
  .hero p.lead{font-size:17px}
  .pagehead{padding:44px 0 34px}
  .pagehead h1{font-size:30px}
  .pagehead p{font-size:16px}
  section.block{padding:44px 0}
  .sec-head h2,.band h2,.feature-txt h2,.ctaband h2{font-size:26px}
  .cards.c2,.cards.c3,.steps,.gallery,.foot-grid{grid-template-columns:1fr}
  .feature{grid-template-columns:1fr;gap:26px}
  .band{padding:30px 24px}
  .ptab th,.ptab td{padding:12px 14px;font-size:14px}
  .foot-grid{gap:26px}
  .lrow{padding:18px 18px;gap:15px}
}
@media(max-width:480px){
  .wrap{padding:0 16px}
  .hero h1{font-size:29px}
  .hero-logo{height:64px}
  .btn{padding:11px 20px;font-size:14.5px}
  .hero .acts{flex-direction:column;align-items:stretch}
  .hero .acts .btn{justify-content:center}
  .play{justify-content:center}
  .pagehead h1{font-size:26px}
  .sec-head h2,.band h2,.feature-txt h2,.ctaband h2{font-size:23px}
  .card{padding:22px}
  .band{padding:24px 18px}
  .lrow{flex-direction:column;text-align:left}
  .ptab td,.ptab th{padding:10px 11px;font-size:13px}
  .foot-bottom{flex-direction:column;gap:6px}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto}
  .airflow.mv{animation:none}
}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:4px}

/* Abschluss eines Abschnitts: Knopf deutlich abgesetzt, damit er nicht untergeht */
.mehr-leistungen{
  text-align:center; margin-top:34px; padding-top:30px;
  border-top:1px solid var(--line);
}
.mehr-leistungen .btn{ font-size:16px; padding:14px 26px; }

/* Adresse im Fuß ist Text, kein Link */
/* Adresse im Fuß: gleiche Darstellung wie die Kontaktzeilen daneben,
   nur eben als Text statt als Link */
.foot .adresse{ color:#B7D2DD; display:block; margin-bottom:9px; font-size:14.5px; line-height:1.55; }

/* Weiterführender Textlink innerhalb einer Karte */
.mehrlink{ font-size:14px; font-weight:600; color:var(--petrol); text-decoration:none; }
.mehrlink:hover{ text-decoration:underline; }

/* Selbstmontage: Überschrift und Einleitung mittig über den Schritten */
.band .in > .eyebrow,
.band .in > h2,
.band .in > p{ text-align:center; }
.band .in > .eyebrow{ display:block; }
.band .in > p{ max-width:640px; margin-left:auto; margin-right:auto; }

@media(max-width:980px){
  .steps{ grid-template-columns:repeat(2,1fr); }
}
@media(max-width:560px){
  .steps{ grid-template-columns:1fr; }
}

/* Rechtliche Links in der Schlusszeile: nebeneinander, ohne Trennpunkt */
.foot-recht{ display:inline-flex; gap:22px; }
.foot-recht a{ display:inline; margin:0; }
@media(max-width:560px){
  .foot-recht{ gap:16px; }
}

/* Selbstmontage: Ablauf als Zeitstrahl – die Schritte folgen sichtbar aufeinander */
/* Anzahl der Spalten richtet sich nach der Anzahl der Schritte,
   damit der Zeitstrahl symmetrisch endet */
.steps{ position:relative; display:grid;
        grid-template-columns:repeat(auto-fit, minmax(0, 1fr)); gap:14px; }
.steps::before{
  content:""; position:absolute; top:34px; height:2px; z-index:0;
  /* endet mittig über der ersten und letzten Zahl – unabhängig von der Anzahl */
  left:calc(50% / var(--anz, 4)); right:calc(50% / var(--anz, 4));
  background:linear-gradient(90deg, var(--cyan-l), rgba(255,255,255,.28));
}
.steps:has(.step:nth-child(3):last-child){ --anz:3; }
.steps:has(.step:nth-child(4):last-child){ --anz:4; }
.steps:has(.step:nth-child(2):last-child){ --anz:2; }
.step{ background:transparent; border:0; padding:0 10px; text-align:center;
       position:relative; z-index:1; }
.step .n{
  width:52px; height:52px; font-size:22px; border-radius:50%; margin:0 auto 16px;
  display:flex; align-items:center; justify-content:center;
  background:var(--cyan-l); color:var(--petrol-d);
  box-shadow:0 0 0 7px rgba(12,84,120,.55);
}
.step h4{ font-size:17px; margin-bottom:7px; }
.step p{ font-size:14px; line-height:1.55; }

/* Schmalere Bildschirme: Zeitstrahl auflösen, Schritte als Karten untereinander */
@media(max-width:980px){
  .steps{ grid-template-columns:repeat(2,1fr) !important; gap:16px; }
  .steps::before{ display:none; }
  .step{ background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.16);
         border-radius:16px; padding:20px; }
}
@media(max-width:620px){
  .steps{ grid-template-columns:1fr !important; }
  /* Zahl neben der Überschrift, Text darunter – nichts bricht mehr um */
  .step{ text-align:left; padding:18px 20px;
         display:grid; grid-template-columns:44px 1fr; gap:6px 14px; align-items:center; }
  .step .n{ margin:0; width:44px; height:44px; font-size:19px;
            border-radius:12px; box-shadow:none; grid-row:1; }
  .step h4{ margin:0; grid-column:2; grid-row:1; }
  .step p{ margin:0; grid-column:1 / -1; }
}