/* ============================================================
   VILLESTA INVEST – Design-System
   Farbsystem, Typografie, Komponentenbibliothek
   ============================================================ */
:root{
  --petrol:#006C78;          /* Primärfarbe */
  --petrol-dark:#00545E;     /* Button-Hover */
  --petrol-deep:#0A3F47;     /* dunkle Flächen */
  --petrol-tint:#EAF3F4;     /* zarte Petrol-Fläche */
  --petrol-mid:#2E8C97;      /* Logo-Akzent */
  --ink:#28313D;             /* Anthrazit – Sekundärfarbe */
  --grey:#5A6572;            /* Fließtext gedämpft */
  --steel:#6B7683;           /* Logo-Grau */
  --bg:#FFFFFF;
  --bg-soft:#F5F7F8;
  --line:#E2E8EA;
  --radius:14px;
  --shadow:0 10px 30px rgba(10,63,71,.08);
  --font-head:'Montserrat',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --w:1140px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:600;line-height:1.18;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(2rem,5.4vw,3.3rem)}
h2{font-size:clamp(1.55rem,3.6vw,2.25rem)}
h3{font-size:1.2rem}
p{color:var(--grey)}
a{color:var(--petrol);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{display:block;max-width:100%}
img{height:auto}
:focus-visible{outline:3px solid var(--petrol);outline-offset:2px;border-radius:4px}

.container{max-width:var(--w);margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section.soft{background:var(--bg-soft)}
.section.deep{background:var(--petrol-deep)}
.section.deep h2{color:#fff}
.section.deep p{color:#C9DDE0}
.lead{font-size:1.11rem;max-width:62ch}
.center{text-align:center}
.center .lead{margin-inline:auto}

/* Abschnitts-Auftakt: kurzer Petrol-Strich + Zeile in Satzschrift */
.kicker{display:flex;align-items:center;gap:12px;font-family:var(--font-head);font-weight:600;font-size:.92rem;color:var(--petrol);margin-bottom:14px}
.kicker::before{content:"";width:34px;height:3px;background:var(--petrol);border-radius:2px}
.center .kicker{justify-content:center}
.sec-head{margin-bottom:40px}
.sec-head p{margin-top:12px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-head);font-weight:600;font-size:1rem;
  background:var(--petrol);color:#fff;border:2px solid var(--petrol);
  padding:14px 28px;border-radius:999px;cursor:pointer;
  transition:background .18s,border-color .18s,color .18s;
  text-decoration:none;
}
.btn:hover{background:var(--petrol-dark);border-color:var(--petrol-dark);text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn.light{background:#fff;color:var(--petrol);border-color:#fff}
.btn.light:hover{background:var(--petrol-tint);border-color:var(--petrol-tint)}
.btn.sm{padding:9px 18px;font-size:.9rem}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-word{line-height:1}
.logo-word b{font-family:var(--font-head);font-weight:700;font-size:1.28rem;letter-spacing:.14em;color:var(--ink)}
.logo-word span{display:block;font-size:.62rem;letter-spacing:.34em;color:var(--petrol);font-weight:600;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none}
.nav-links>li{position:relative}
.nav-links a{color:var(--ink);font-weight:500;font-size:.97rem}
.nav-links a:hover{color:var(--petrol);text-decoration:none}
.dropdown-menu{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:10px;min-width:250px;display:none;list-style:none;
}
.dropdown-menu a{display:block;padding:9px 14px;border-radius:8px;font-size:.94rem}
.dropdown-menu a:hover{background:var(--petrol-tint);color:var(--petrol)}
.has-dropdown:hover .dropdown-menu,.has-dropdown:focus-within .dropdown-menu{display:block}
.nav-cta{white-space:nowrap}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}
.mobile-panel{display:none;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 24px}
.mobile-panel a{display:block;padding:11px 4px;color:var(--ink);font-weight:500;border-bottom:1px solid var(--bg-soft)}
.mobile-panel a:hover{color:var(--petrol);text-decoration:none}
.mobile-panel .btn{margin-top:16px;width:100%}
.mobile-panel .group{font-family:var(--font-head);font-weight:600;font-size:.8rem;color:var(--steel);padding:14px 4px 4px}
body.menu-open .mobile-panel{display:block}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,var(--bg-soft) 0%,#fff 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:64px 0 72px}
.hero p.lead{margin-top:18px}
.hero-visual{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.hero-note{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hero-note div{font-size:.9rem;color:var(--grey)}
.hero-note b{display:block;font-family:var(--font-head);color:var(--ink);font-size:1.05rem}

/* ---------- USP ---------- */
.usp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.usp{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px}
.usp .ico{width:52px;height:52px;border-radius:12px;background:var(--petrol-tint);display:grid;place-items:center;margin-bottom:16px}
.usp h3{font-size:1.05rem;margin-bottom:8px}
.usp p{font-size:.94rem}

/* ---------- Prozess-Timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;position:relative}
.timeline::before{content:"";position:absolute;top:26px;left:8%;right:8%;height:2px;background:var(--line)}
.t-step{position:relative;padding-top:70px}
.t-step::before{
  counter-increment:step;content:counter(step);
  position:absolute;top:0;left:0;width:52px;height:52px;border-radius:50%;
  background:var(--petrol);color:#fff;font-family:var(--font-head);font-weight:700;font-size:1.15rem;
  display:grid;place-items:center;box-shadow:0 0 0 6px #fff;
}
.section.soft .t-step::before{box-shadow:0 0 0 6px var(--bg-soft)}
.t-step h3{margin-bottom:8px;font-size:1.08rem}
.t-step p{font-size:.94rem}

/* ---------- Leistungs-Kacheln ---------- */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.tile{
  position:relative;display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;color:var(--ink);text-decoration:none;
  transition:border-color .18s,transform .18s,box-shadow .18s;
}
.tile:hover{border-color:var(--petrol);box-shadow:var(--shadow);transform:translateY(-3px);text-decoration:none}
.tile .ico{width:46px;height:46px;border-radius:11px;background:var(--petrol-tint);display:grid;place-items:center}
.tile h3{font-size:1.02rem}
.tile p{font-size:.9rem}
.tile .more{margin-top:auto;font-family:var(--font-head);font-weight:600;font-size:.88rem;color:var(--petrol)}

/* ---------- Vorher/Nachher-Slider ---------- */
.ba{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);user-select:none;touch-action:pan-y;aspect-ratio:16/9;background:var(--bg-soft)}
.ba svg{position:absolute;inset:0;width:100%;height:100%}
.ba .after-wrap{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos,50%)) 0 0)}
.ba-handle{
  position:absolute;top:0;bottom:0;left:var(--pos,50%);width:0;
  border-left:3px solid #fff;filter:drop-shadow(0 0 6px rgba(0,0,0,.35));
}
.ba-knob{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:46px;height:46px;border-radius:50%;background:#fff;color:var(--petrol);
  display:grid;place-items:center;font-weight:700;font-size:1.05rem;letter-spacing:.05em;
  box-shadow:0 4px 14px rgba(0,0,0,.25);cursor:ew-resize;
}
.ba-tag{position:absolute;bottom:14px;font-family:var(--font-head);font-weight:600;font-size:.8rem;color:#fff;background:rgba(40,49,61,.75);padding:6px 13px;border-radius:999px}
.ba-tag.before{left:14px}
.ba-tag.after{right:14px;background:rgba(0,108,120,.85)}
.ba-caption{margin-top:16px;font-size:.94rem;color:var(--grey)}

/* ---------- Partner ---------- */
.partner-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.partner{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;display:flex;flex-direction:column;gap:10px;
}
.partner .p-logo{font-family:var(--font-head);font-weight:700;font-size:1.35rem;color:var(--ink)}
.partner .p-logo em{font-style:normal;color:var(--petrol)}
.partner .p-role{font-size:.85rem;font-weight:600;color:var(--petrol);font-family:var(--font-head)}
.partner p{font-size:.94rem}

/* ---------- CTA-Band ---------- */
.cta-band{background:var(--petrol);border-radius:var(--radius);padding:52px 40px;color:#fff;display:grid;grid-template-columns:1.4fr auto;gap:28px;align-items:center}
.cta-band h2{color:#fff}
.cta-band p{color:#CFE7EA;margin-top:10px}

/* ---------- Formulare ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.section.soft .form-card,.section.deep .form-card{border:none}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--font-head);font-weight:600;font-size:.9rem;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;
  font-family:var(--font-body);font-size:1rem;color:var(--ink);background:#fff;
  transition:border-color .15s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--petrol);outline:none}
.field textarea{min-height:110px;resize:vertical}
.field .hint{font-size:.82rem;color:var(--steel);margin-top:5px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.form-grid .full{grid-column:1/-1}

/* Auswahl-Chips (smartes Formular) */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;inset:0;cursor:pointer}
.chip span{
  display:inline-block;padding:11px 20px;border:1.5px solid var(--line);border-radius:999px;
  font-weight:500;font-size:.95rem;color:var(--ink);cursor:pointer;transition:all .15s;background:#fff;
}
.chip input:checked + span{background:var(--petrol);border-color:var(--petrol);color:#fff}
.chip input:focus-visible + span{outline:3px solid var(--petrol);outline-offset:2px}
.chip span:hover{border-color:var(--petrol)}

/* Wizard */
.wizard-progress{display:flex;gap:8px;margin-bottom:30px}
.wizard-progress i{height:5px;flex:1;border-radius:3px;background:var(--line)}
.wizard-progress i.on{background:var(--petrol)}
.wizard-step{display:none}
.wizard-step.on{display:block}
.wizard-step h3{margin-bottom:6px}
.wizard-step .q-sub{font-size:.94rem;margin-bottom:20px}
.wizard-nav{display:flex;justify-content:space-between;gap:14px;margin-top:28px}
.success-box{text-align:center;padding:30px 10px}
.success-box .ok{width:70px;height:70px;border-radius:50%;background:var(--petrol-tint);display:grid;place-items:center;margin:0 auto 20px}

/* ---------- Kontakt-Info ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:36px;align-items:start}
.contact-info h3{margin:22px 0 6px}
.contact-info h3:first-of-type{margin-top:0}
.contact-line{display:flex;gap:12px;align-items:center;padding:8px 0;color:var(--ink);font-weight:500}
.contact-line .ci{width:38px;height:38px;border-radius:50%;background:var(--petrol);display:grid;place-items:center;flex:none}

/* ---------- Unterseiten ---------- */

.subhero{background:var(--petrol-deep);color:#fff;padding:64px 0}
.subhero .kicker{color:#7FC4CC}
.subhero .kicker::before{background:#7FC4CC}
.subhero h1{color:#fff;max-width:20ch}
.subhero p{color:#C9DDE0;max-width:62ch;margin-top:16px;font-size:1.08rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split .visual{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.checklist{list-style:none;display:grid;gap:12px}
.checklist li{display:flex;gap:12px;align-items:flex-start;color:var(--ink)}
.checklist li::before{
  content:"✓";flex:none;width:24px;height:24px;border-radius:50%;
  background:var(--petrol-tint);color:var(--petrol);font-weight:700;font-size:.85rem;
  display:grid;place-items:center;margin-top:2px;
}
.product-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.p-tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:8px}
.p-tile h3{font-size:.98rem}
.p-tile p{font-size:.86rem}
.p-tile .btn{margin-top:auto}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;text-align:center}
.stat b{display:block;font-family:var(--font-head);font-weight:700;font-size:2rem;color:var(--petrol)}
.stat span{font-size:.92rem;color:var(--grey)}

/* ---------- Styleguide ---------- */
.swatches{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}
.swatch{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.swatch i{display:block;height:84px}
.swatch div{padding:12px 14px;font-size:.84rem}
.swatch b{display:block;font-family:var(--font-head)}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:#B9C2CC;padding:56px 0 30px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding-bottom:34px;border-bottom:1px solid #3A4450}
footer h4{color:#fff;font-size:.95rem;margin-bottom:14px}
footer a{color:#B9C2CC;display:block;padding:4px 0;font-size:.92rem}
footer a:hover{color:#fff;text-decoration:none}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:.85rem}
.foot-logo b{font-family:var(--font-head);font-weight:700;letter-spacing:.14em;color:#fff;font-size:1.15rem}
.foot-logo span{display:block;font-size:.6rem;letter-spacing:.32em;color:#7FC4CC;font-weight:600;margin-top:2px}
footer .slogan{margin-top:14px;font-size:.95rem;color:#7FC4CC;font-family:var(--font-head);font-weight:600}

/* ---------- Fotos ---------- */
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split .visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.ba.r43{aspect-ratio:4/3}
.ba.r34{aspect-ratio:3/4;max-width:440px;margin-inline:auto}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stack{display:grid;gap:22px}
figure{margin:0}
.photo{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.gallery .photo img{aspect-ratio:3/4}
figcaption{margin-top:12px;font-size:.92rem;color:var(--grey)}
figcaption b{display:block;font-family:var(--font-head);color:var(--ink);font-size:.98rem;margin-bottom:2px}
.ba + figcaption,.ba + .ba-caption{margin-top:14px}

.contact-info.compact{font-size:.92rem}
.contact-info.compact h3{font-size:1rem;margin:16px 0 2px}
.contact-info.compact p{font-size:.9rem}
.contact-info.compact .contact-line{padding:3px 0;gap:10px;font-size:.9rem}
.contact-info.compact .ci{width:28px;height:28px}
.contact-info.compact .ci svg{width:14px;height:14px}
/* ---------- Rechtstexte ---------- */
.legal{max-width:820px}
.legal h1{font-size:clamp(1.8rem,4vw,2.4rem);margin-bottom:28px}
.legal h2{font-size:1.4rem;margin:44px 0 12px}
.legal h3{font-size:1.12rem;margin:30px 0 8px}
.legal h4{font-size:1rem;margin:22px 0 6px}
.legal p{margin-bottom:14px;overflow-wrap:anywhere}
.legal ul{margin:0 0 14px 22px;color:var(--grey)}
.legal li{margin-bottom:8px;overflow-wrap:anywhere}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .usp-grid,.tiles,.timeline{grid-template-columns:repeat(2,1fr)}
  .timeline::before{display:none}
  .product-tiles{grid-template-columns:repeat(2,1fr)}
  .hero-grid,.split,.contact-grid,.partner-grid,.grid-2{grid-template-columns:1fr}
  .hero-grid{padding:44px 0 56px}
  .cta-band{grid-template-columns:1fr;padding:40px 28px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .burger{display:block}
  .nav-cta{display:none}
}
@media (max-width:560px){
  .usp-grid,.tiles,.timeline,.product-tiles,.form-grid,.gallery{grid-template-columns:1fr}
  .section{padding:52px 0}
  .stat-row{grid-template-columns:1fr;gap:14px}
  .btn{width:100%}
  .btn-row .btn{width:100%}
  .wizard-nav .btn{width:auto;flex:1}
}