/* ================================================================
   kunz² – Kunz & Kunz Gebäudeservice
   Premium Light CSS – Version 4.0
   ================================================================ */

:root {
  --blue:        #2563EB;
  --blue-dark:   #1D4ED8;
  --blue-light:  #EFF6FF;
  --blue-mid:    #DBEAFE;
  --navy:        #1e3a5f;
  --green:       #16A34A;
  --green-light: #F0FDF4;
  --red:         #DC2626;
  --red-light:   #FEF2F2;
  --wa:          #25D366;

  --text-dark:   #0F172A;
  --text-body:   #334155;
  --text-muted:  #64748B;
  --text-light:  #94A3B8;

  --bg-white:    #FFFFFF;
  --bg-light:    #F8FAFC;
  --bg-mid:      #F1F5F9;
  --border:      #E2E8F0;
  --border-dark: #CBD5E1;

  --shadow-xs:   0 1px 2px rgba(0,0,0,.05);
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);
  --shadow-md:   0 4px 6px rgba(0,0,0,.07),0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:   0 10px 15px rgba(0,0,0,.07),0 4px 6px rgba(0,0,0,.05);
  --shadow-xl:   0 20px 25px rgba(0,0,0,.08),0 8px 10px rgba(0,0,0,.05);
  --shadow-blue: 0 8px 24px rgba(37,99,235,.25);

  --font:        'Outfit',system-ui,-apple-system,sans-serif;
  --section-py:  5rem;
  --container:   1200px;
  --r-sm:        .5rem;
  --r-md:        1rem;
  --r-lg:        1.5rem;
  --r-xl:        2rem;
  --ease:        cubic-bezier(.4,0,.2,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--text-body);background:var(--bg-white);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
ul{list-style:none}
button{cursor:pointer;font-family:var(--font);border:none;background:none}
input,select,textarea{font-family:var(--font)}

.container{max-width:var(--container);margin-inline:auto;padding-inline:1.5rem}
.section{padding-block:var(--section-py)}

.section-chip{display:inline-flex;align-items:center;gap:.4rem;font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);background:var(--blue-light);border:1px solid var(--blue-mid);border-radius:100px;padding:.3rem .9rem;margin-bottom:1rem}
.section-chip--green{color:var(--green);background:var(--green-light);border-color:#BBF7D0}
.section-title{font-size:clamp(1.75rem,3.5vw,2.5rem);font-weight:800;color:var(--text-dark);line-height:1.2;letter-spacing:-.02em;margin-bottom:1rem}
.section-title--center{text-align:center}
.section-body{font-size:1.0625rem;color:var(--text-muted);max-width:56ch;line-height:1.7}
.section-body--center{text-align:center;margin-inline:auto}
.section-header{margin-bottom:3rem}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-size:.9375rem;font-weight:700;border-radius:100px;padding:.8rem 1.75rem;transition:all .2s var(--ease);white-space:nowrap;text-decoration:none;border:2px solid transparent}
.btn--primary{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:var(--shadow-blue)}
.btn--primary:hover{background:var(--blue-dark);border-color:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 32px rgba(37,99,235,.35);text-decoration:none;color:#fff}
.btn--outline{background:transparent;color:var(--text-dark);border-color:var(--border-dark)}
.btn--outline:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px);text-decoration:none}
.btn--whatsapp{background:var(--wa);color:#fff;border-color:var(--wa);box-shadow:0 4px 16px rgba(37,211,102,.3)}
.btn--whatsapp:hover{background:#1ebe5d;border-color:#1ebe5d;transform:translateY(-2px);text-decoration:none;color:#fff}
.btn--sm{padding:.6rem 1.25rem;font-size:.875rem}
.btn__icon{flex-shrink:0;transition:transform .2s var(--ease)}
.btn:hover .btn__icon{transform:translateX(3px)}
.btn__spinner{animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* LOADER */
.loader{position:fixed;inset:0;z-index:9999;background:var(--bg-white);display:flex;align-items:center;justify-content:center;transition:opacity .4s,visibility .4s}
.loader.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loader__inner{text-align:center}
.loader__logo-img{height:auto;width:200px;max-width:80%;margin-inline:auto;margin-bottom:1.5rem;opacity:0;animation:fadeUp .5s var(--ease) .1s forwards}
.loader__bar{width:200px;height:4px;background:var(--bg-mid);border-radius:100px;overflow:hidden;margin-inline:auto;margin-bottom:.75rem}
.loader__fill{height:100%;width:0;background:linear-gradient(90deg,var(--blue),#60A5FA);border-radius:100px;transition:width .05s linear}
.loader__text{font-size:.8125rem;color:var(--text-muted);font-weight:500}

/* NAVIGATION */
.nav-wrap{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,box-shadow .3s,padding .3s;padding-block:1.25rem}
.nav-wrap.scrolled{background:rgba(255,255,255,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--border),var(--shadow-sm);padding-block:.75rem}
.nav{max-width:var(--container);margin-inline:auto;padding-inline:1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.nav__logo{display:flex;align-items:center}
.nav__logo-img{height:44px;width:auto;display:block;max-width:160px}
.nav__links{display:flex;align-items:center;gap:.25rem;list-style:none}
.nav__link{font-size:.9375rem;font-weight:600;color:var(--text-body);padding:.5rem .9rem;border-radius:var(--r-sm);transition:color .2s,background .2s;text-decoration:none}
.nav__link:hover{color:var(--blue);background:var(--blue-light)}
.nav__link.active{color:var(--blue)}
.nav__link--cta{display:flex;align-items:center;gap:.4rem;background:var(--blue);color:#fff!important;border-radius:100px;padding:.5rem 1.1rem;margin-left:.5rem;box-shadow:var(--shadow-blue)}
.nav__link--cta:hover{background:var(--blue-dark)!important;transform:translateY(-1px);text-decoration:none}
.nav__burger{display:none;padding:.4rem;border-radius:var(--r-sm);color:var(--text-dark);transition:background .2s}
.nav__burger:hover{background:var(--bg-mid)}
@keyframes b1open{to{transform:translateY(8px) rotate(45deg)}}
@keyframes b3open{to{transform:translateY(-8px) rotate(-45deg)}}
@media(max-width:768px){
  .nav__burger{display:flex}
  .nav__links{position:fixed;top:0;right:0;bottom:0;width:min(280px,85vw);flex-direction:column;align-items:flex-start;gap:.25rem;background:var(--bg-white);padding:5rem 1.5rem 2rem;box-shadow:-4px 0 24px rgba(0,0,0,.12);transform:translateX(100%);transition:transform .35s var(--ease);z-index:99}
  .nav__links.open{transform:translateX(0)}
  .nav__link{width:100%;font-size:1.0625rem;padding:.75rem 1rem}
  .nav__link--cta{margin-left:0;margin-top:.5rem;justify-content:center}
}

/* HERO */
.hero{min-height:100svh;display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(135deg,#F0F7FF 0%,#EFF6FF 40%,#F8FAFC 100%);padding-top:5rem}
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero__content{position:relative;z-index:2;max-width:var(--container);margin-inline:auto;padding-inline:1.5rem;padding-block:4rem 6rem}
.hero__eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.8125rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--blue);margin-bottom:1.5rem}
.eyebrow__dot{width:8px;height:8px;border-radius:50%;background:var(--blue);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(1.3)}}
.hero__headline{font-size:clamp(2.5rem,6vw,4.5rem);font-weight:900;color:var(--text-dark);line-height:1.1;letter-spacing:-.03em;margin-bottom:1.5rem}
.hero__line{display:block}
.hero__line--2{display:flex;align-items:baseline;flex-wrap:wrap;gap:.3em}
.hero__word-swap{position:relative;display:inline-block;min-width:6ch;color:var(--blue)}
.hero__word-swap .word{position:absolute;left:0;top:0;opacity:0;transform:translateY(20px);transition:opacity .4s var(--ease),transform .4s var(--ease);white-space:nowrap}
.hero__word-swap .word.active{position:relative;opacity:1;transform:translateY(0)}
.hero__sub{font-size:clamp(1rem,2vw,1.125rem);color:var(--text-muted);max-width:52ch;line-height:1.7;margin-bottom:2rem}
.hero__sub em{color:var(--text-body);font-style:normal;font-weight:600}
.hero__actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:2.5rem}
.hero__trust-bar{display:flex;flex-wrap:wrap;gap:.75rem}
.trust-pill{display:inline-flex;align-items:center;gap:.4rem;font-size:.8125rem;font-weight:600;color:var(--text-body);background:rgba(255,255,255,.8);border:1px solid var(--border);border-radius:100px;padding:.4rem .9rem;backdrop-filter:blur(4px)}
.trust-pill svg{color:var(--green);flex-shrink:0}
.hero__scroll-hint{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.5rem;font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);animation:fadeIn 1s var(--ease) 1s both}
.scroll-mouse{width:22px;height:36px;border:2px solid var(--border-dark);border-radius:100px;display:flex;justify-content:center;padding-top:6px}
.scroll-mouse__wheel{width:4px;height:8px;background:var(--blue);border-radius:100px;animation:scrollWheel 1.6s ease-in-out infinite}
@keyframes scrollWheel{0%{transform:translateY(0);opacity:1}80%{transform:translateY(10px);opacity:0}100%{transform:translateY(0);opacity:0}}

/* PROBLEM */
.problem{background:var(--bg-light)}
.problem__grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem}
@media(max-width:768px){.problem__grid{grid-template-columns:1fr;gap:2rem}}
.problem__list{display:flex;flex-direction:column;gap:.75rem;margin-top:1.5rem}
.problem__item{display:flex;align-items:flex-start;gap:.75rem;font-size:.9375rem;font-weight:500;padding:.75rem 1rem;border-radius:var(--r-md);transition:transform .2s var(--ease)}
.problem__item:hover{transform:translateX(4px)}
.problem__item--bad{background:var(--red-light);color:#7F1D1D;border:1px solid #FECACA}
.problem__item--good{background:var(--green-light);color:#14532D;border:1px solid #BBF7D0}
.item-icon{font-size:1rem;font-weight:900;flex-shrink:0;width:20px;text-align:center;margin-top:.05em}
.item-icon--bad{color:var(--red)}
.item-icon--good{color:var(--green)}

/* LEISTUNGEN */
.leistungen{background:var(--bg-white)}
.service-tabs{display:flex;gap:.5rem;margin-bottom:2.5rem;flex-wrap:wrap}
.tab-btn{font-size:.875rem;font-weight:700;padding:.5rem 1.25rem;border-radius:100px;border:2px solid var(--border);color:var(--text-muted);background:var(--bg-white);transition:all .2s var(--ease)}
.tab-btn:hover{border-color:var(--blue);color:var(--blue)}
.tab-btn.active{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:var(--shadow-blue)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
@media(max-width:1024px){.services-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.services-grid{grid-template-columns:1fr}}

/* 3D Flip Card */
.service-card-3d{perspective:1000px;height:280px;opacity:0;transform:translateY(24px);transition:opacity .5s var(--ease) calc(var(--i)*.08s),transform .5s var(--ease) calc(var(--i)*.08s)}
.service-card-3d.visible{opacity:1;transform:translateY(0)}
.service-card-3d.hidden-card{display:none}
.card-3d__inner{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .6s var(--ease);border-radius:var(--r-lg)}
.service-card-3d:hover .card-3d__inner{transform:rotateY(180deg)}
.card-3d__front,.card-3d__back{position:absolute;inset:0;border-radius:var(--r-lg);padding:1.75rem;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.card-3d__front{background:var(--bg-white);border:1px solid var(--border);box-shadow:var(--shadow-md);display:flex;flex-direction:column;gap:.75rem;transition:box-shadow .2s}
.service-card-3d:hover .card-3d__front{box-shadow:var(--shadow-xl)}
.card-3d__front h3{font-size:1.0625rem;font-weight:800;color:var(--text-dark)}
.card-3d__front p{font-size:.875rem;color:var(--text-muted);line-height:1.6;flex:1}
.card-3d__back{background:linear-gradient(135deg,var(--blue) 0%,var(--blue-dark) 100%);color:#fff;transform:rotateY(180deg);display:flex;flex-direction:column;gap:.75rem}
.card-3d__back h3{font-size:1.0625rem;font-weight:800}
.card-3d__back ul{flex:1;display:flex;flex-direction:column;gap:.4rem}
.card-3d__back ul li{font-size:.8125rem;display:flex;align-items:center;gap:.5rem;opacity:.9}
.card-3d__back ul li::before{content:'✓';font-weight:900;color:#93C5FD;flex-shrink:0}
.card-3d__icon{width:52px;height:52px;border-radius:var(--r-md);background:var(--blue-light);display:flex;align-items:center;justify-content:center;color:var(--blue);flex-shrink:0}
.card-3d__tag{display:inline-flex;align-items:center;font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--blue);background:var(--blue-light);border-radius:100px;padding:.2rem .7rem;align-self:flex-start}
.card-3d__tag--white{color:var(--blue);background:rgba(255,255,255,.9)}
.card-3d__flip-hint{font-size:.75rem;color:var(--text-light);font-weight:600;margin-top:auto}

/* Wide card */
.service-card-wide{grid-column:1/-1;display:flex;align-items:center;gap:2rem;background:linear-gradient(135deg,var(--blue-light) 0%,#EFF6FF 100%);border:1px solid var(--blue-mid);border-radius:var(--r-lg);padding:2rem 2.5rem;opacity:0;transform:translateY(24px);transition:opacity .5s var(--ease) calc(var(--i)*.08s),transform .5s var(--ease) calc(var(--i)*.08s)}
.service-card-wide.visible{opacity:1;transform:translateY(0)}
.service-card-wide__icon{width:72px;height:72px;border-radius:var(--r-lg);background:var(--blue);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}
.service-card-wide__body{flex:1}
.service-card-wide__body h3{font-size:1.125rem;font-weight:800;color:var(--text-dark);margin-bottom:.4rem}
.service-card-wide__body p{font-size:.9375rem;color:var(--text-muted);line-height:1.6}
@media(max-width:640px){.service-card-wide{flex-direction:column;text-align:center;gap:1rem}}

/* ÜBER UNS */
.ueber{background:var(--bg-light)}
.ueber__grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
@media(max-width:900px){.ueber__grid{grid-template-columns:1fr;gap:2.5rem}}
.ueber__img-wrap{position:relative;border-radius:var(--r-xl);overflow:visible;box-shadow:var(--shadow-xl)}
.ueber__img-wrap>img:first-child{width:100%;height:520px;object-fit:cover;display:block;transition:transform .6s var(--ease);border-radius:var(--r-xl)}
.ueber__img-wrap:hover>img:first-child{transform:scale(1.03)}
.ueber__img-badge{position:absolute;bottom:1.5rem;right:1.5rem;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-radius:var(--r-md);padding:1rem 1.25rem;box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:center;max-width:180px}
.ueber__img-badge--logo-only{padding:.875rem 1.25rem}
.ueber-badge__logo-img{height:auto;width:110px;max-width:100%;display:block}
.ueber__img-badge span{font-size:.75rem;font-weight:600;color:var(--text-muted)}
.ueber__quote{font-size:1.0625rem;font-style:italic;color:var(--text-body);border-left:3px solid var(--blue);padding-left:1rem;margin-bottom:1.25rem;line-height:1.7}
.ueber__pillars{display:flex;flex-direction:column;gap:1rem;margin-top:1.5rem}
.pillar{display:flex;align-items:flex-start;gap:1rem}
.pillar__icon{width:40px;height:40px;border-radius:var(--r-sm);background:var(--blue-light);display:flex;align-items:center;justify-content:center;color:var(--blue);flex-shrink:0}
.pillar strong{display:block;font-size:.9375rem;font-weight:700;color:var(--text-dark);margin-bottom:.2rem}
.pillar p{font-size:.875rem;color:var(--text-muted);line-height:1.6}

/* PROZESS */
.prozess{background:var(--bg-white)}
.prozess-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;position:relative}
@media(max-width:768px){.prozess-steps{grid-template-columns:1fr}}
.prozess-step{position:relative;text-align:center;padding:2.5rem 1.5rem;background:var(--bg-light);border:1px solid var(--border);border-radius:var(--r-xl);transition:transform .3s var(--ease),box-shadow .3s var(--ease);opacity:0;transform:translateY(24px)}
.prozess-step.visible{opacity:1;transform:translateY(0)}
.prozess-step:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl)}
.prozess-step__num{font-size:.75rem;font-weight:900;letter-spacing:.1em;color:var(--blue);background:var(--blue-light);border-radius:100px;padding:.25rem .75rem;display:inline-block;margin-bottom:1rem}
.prozess-step__icon{width:72px;height:72px;border-radius:var(--r-lg);background:var(--blue);display:flex;align-items:center;justify-content:center;color:#fff;margin-inline:auto;margin-bottom:1.25rem;box-shadow:var(--shadow-blue)}
.prozess-step h3{font-size:1.0625rem;font-weight:800;color:var(--text-dark);margin-bottom:.5rem}
.prozess-step p{font-size:.875rem;color:var(--text-muted);line-height:1.6}
@media(min-width:769px){
  .prozess-step:not(:last-child)::after{content:'→';position:absolute;top:50%;right:-1.25rem;transform:translateY(-50%);font-size:1.5rem;color:var(--blue);font-weight:900;z-index:1}
}

/* FAQ */
.faq-wrap{max-width:720px;margin-inline:auto}
.faq-title{font-size:1.25rem;font-weight:800;color:var(--text-dark);margin-bottom:1.25rem;text-align:center}
.faq-list{display:flex;flex-direction:column;gap:.5rem}
.faq-item{border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;background:var(--bg-white);transition:border-color .2s}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.25rem;font-size:.9375rem;font-weight:700;color:var(--text-dark);text-align:left;transition:background .2s,color .2s}
.faq-q:hover{background:var(--bg-light)}
.faq-q[aria-expanded="true"]{color:var(--blue)}
.faq-q__icon{flex-shrink:0;transition:transform .3s var(--ease)}
.faq-q[aria-expanded="true"] .faq-q__icon{transform:rotate(180deg)}
.faq-a{padding:0 1.25rem 1rem;font-size:.9rem;color:var(--text-muted);line-height:1.7;animation:fadeDown .25s var(--ease)}
@keyframes fadeDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* KONTAKT */
.kontakt{background:var(--bg-light)}
.kontakt__grid{display:grid;grid-template-columns:1fr 1.2fr;gap:4rem;align-items:start}
@media(max-width:900px){.kontakt__grid{grid-template-columns:1fr;gap:2.5rem}}
.kinfo-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.75rem;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:1.25rem;margin-bottom:1.5rem}
.kinfo-item{display:flex;align-items:flex-start;gap:1rem}
.kinfo-icon{width:44px;height:44px;border-radius:var(--r-sm);background:var(--blue-light);display:flex;align-items:center;justify-content:center;color:var(--blue);flex-shrink:0}
.kinfo-item strong{display:block;font-size:.875rem;font-weight:700;color:var(--text-dark);margin-bottom:.2rem}
.kinfo-item p,.kinfo-item a{font-size:.9375rem;color:var(--text-muted)}
.kinfo-item a:hover{color:var(--blue)}
.kinfo-promise{display:flex;flex-direction:column;gap:1rem}
.kinfo-promise__title{font-size:.9375rem;font-weight:800;color:var(--text-dark);margin-bottom:.25rem}
.promise-item{display:flex;align-items:flex-start;gap:1rem}
.promise-num{font-size:.75rem;font-weight:900;color:var(--blue);background:var(--blue-light);border-radius:100px;padding:.2rem .6rem;flex-shrink:0;margin-top:.15rem}
.promise-item strong{display:block;font-size:.875rem;font-weight:700;color:var(--text-dark);margin-bottom:.15rem}
.promise-item p{font-size:.8125rem;color:var(--text-muted);line-height:1.5}
.kontakt__form-wrap{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--r-xl);padding:2.5rem;box-shadow:var(--shadow-lg)}
.kontakt__form{display:flex;flex-direction:column;gap:1rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media(max-width:640px){.form-row{grid-template-columns:1fr}}
.form-field{display:flex;flex-direction:column;gap:.4rem}
.form-field--full{grid-column:1/-1}
.form-field label{font-size:.8125rem;font-weight:700;color:var(--text-dark)}
.form-field input,.form-field select,.form-field textarea{padding:.75rem 1rem;border:1.5px solid var(--border);border-radius:var(--r-md);font-size:.9375rem;color:var(--text-dark);background:var(--bg-white);transition:border-color .2s,box-shadow .2s;outline:none}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.form-field input.invalid,.form-field textarea.invalid{border-color:var(--red);box-shadow:0 0 0 3px rgba(220,38,38,.1)}
.form-field textarea{min-height:120px;resize:vertical}
.form-success,.form-error{display:flex;align-items:flex-start;gap:.75rem;padding:1rem 1.25rem;border-radius:var(--r-md);animation:fadeUp .3s var(--ease)}
.form-success[hidden],.form-error[hidden]{display:none!important}
.form-success{background:var(--green-light);border:1px solid #BBF7D0;color:#14532D}
.form-error{background:var(--red-light);border:1px solid #FECACA;color:#7F1D1D}
.form-success svg{color:var(--green);flex-shrink:0;margin-top:.1rem}
.form-error svg{color:var(--red);flex-shrink:0;margin-top:.1rem}
.form-success strong,.form-error strong{display:block;font-size:.9rem;font-weight:700;margin-bottom:.2rem}
.form-success p,.form-error p{font-size:.8125rem;line-height:1.5}
.btn--submit{width:100%;justify-content:center}
.form-note{font-size:.75rem;color:var(--text-light);line-height:1.5;text-align:center}

/* FOOTER */
.footer{background:var(--text-dark);color:rgba(255,255,255,.7)}
.footer__top{padding-block:3.5rem}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:3rem}
@media(max-width:768px){.footer__grid{grid-template-columns:1fr;gap:2rem}}
.footer__logo-img{height:auto;width:160px;max-width:100%;margin-bottom:1rem;opacity:.95}
.footer__tagline{font-size:.875rem;line-height:1.7;color:rgba(255,255,255,.65)}
.footer__col strong{display:block;font-size:.8125rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.65);margin-bottom:1rem}
.footer__col ul{display:flex;flex-direction:column;gap:.5rem}
.footer__col li,.footer__col a{font-size:.875rem;color:rgba(255,255,255,.75);transition:color .2s;text-decoration:none}
.footer__col a:hover{color:#fff}
.footer__bottom{border-top:1px solid rgba(255,255,255,.08);padding-block:1.25rem}
.footer__bottom p{font-size:.8125rem;color:rgba(255,255,255,.6);text-align:center}

/* MODALS */
.modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem}
.modal[hidden]{display:none}
.modal__backdrop{position:absolute;inset:0;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);animation:fadeIn .2s var(--ease)}
.modal__box{position:relative;background:var(--bg-white);border-radius:var(--r-xl);padding:2.5rem;max-width:640px;width:100%;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-xl);animation:modalIn .3s var(--ease-spring)}
@keyframes modalIn{from{opacity:0;transform:scale(.95) translateY(16px)}to{opacity:1;transform:scale(1) translateY(0)}}
.modal__close{position:absolute;top:1rem;right:1rem;width:36px;height:36px;border-radius:50%;background:var(--bg-mid);color:var(--text-body);font-size:1.25rem;display:flex;align-items:center;justify-content:center;transition:background .2s}
.modal__close:hover{background:var(--border)}
.modal__box h2{font-size:1.5rem;font-weight:800;color:var(--text-dark);margin-bottom:1.5rem}
.modal__box h3{font-size:1rem;font-weight:700;color:var(--text-dark);margin-top:1.5rem;margin-bottom:.5rem}
.modal__box p{font-size:.9rem;color:var(--text-muted);line-height:1.7;margin-bottom:.5rem}
.modal__box a{color:var(--blue)}

/* FLOATING */
.btt{position:fixed;bottom:1.5rem;right:1.5rem;z-index:90;width:44px;height:44px;border-radius:50%;background:var(--bg-white);border:1.5px solid var(--border);color:var(--text-dark);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);opacity:0;transform:translateY(8px);transition:opacity .3s,transform .3s,background .2s;pointer-events:none}
.btt.visible{opacity:1;transform:translateY(0);pointer-events:auto}
.btt:hover{background:var(--blue);color:#fff;border-color:var(--blue)}


/* REVEAL */
.reveal-up,.reveal-left,.reveal-right{opacity:0;transition:opacity .6s var(--ease),transform .6s var(--ease);transition-delay:var(--delay,0s)}
.reveal-up{transform:translateY(32px)}
.reveal-left{transform:translateX(-32px)}
.reveal-right{transform:translateX(32px)}
.reveal-up.visible,.reveal-left.visible,.reveal-right.visible{opacity:1;transform:translate(0)}

/* ANIMATIONS */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

/* RESPONSIVE */
@media(max-width:480px){
  :root{--section-py:3.5rem}
  .hero__headline{font-size:2.25rem}
  .hero__actions{flex-direction:column}
  .hero__actions .btn{justify-content:center}
  .kontakt__form-wrap{padding:1.5rem}
  .ueber__img-wrap img{height:320px}
}

@media print{
  .loader,.nav-wrap,.btt,.wa-float,.hero__canvas,.hero__scroll-hint,.modal{display:none!important}
}

/* ================================================================
   BEFORE / AFTER SLIDER
   ================================================================ */
.ba-section { background: var(--bg-light); }
.ba-slider {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin-inline: auto;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  cursor: col-resize;
  user-select: none;
  -webkit-user-select: none;
  aspect-ratio: 16/9;
}
.ba-before, .ba-after {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.ba-before img, .ba-after img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}
.ba-after {
  clip-path: inset(0 50% 0 0);
  transition: clip-path 0s;
}
.ba-label {
  position: absolute;
  bottom: 1rem;
  font-size: .8125rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .35rem .9rem;
  border-radius: 100px;
  backdrop-filter: blur(8px);
}
.ba-label--before {
  left: 1rem;
  background: rgba(0,0,0,.55);
  color: #fff;
}
.ba-label--after {
  right: 1rem;
  background: rgba(37,99,235,.85);
  color: #fff;
}
.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 10;
  cursor: col-resize;
  touch-action: none;
}
.ba-handle__line--top,
.ba-handle__line--bottom {
  flex: 1;
  width: 2px;
  background: rgba(255,255,255,.85);
}
.ba-handle__circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 16px rgba(0,0,0,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  flex-shrink: 0;
  transition: transform .2s var(--ease-spring);
}
.ba-handle:hover .ba-handle__circle,
.ba-handle:active .ba-handle__circle {
  transform: scale(1.15);
}
.ba-hint {
  text-align: center;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 1.25rem;
}
@media(max-width:640px) {
  .ba-slider { aspect-ratio: 4/3; }
}

/* ================================================================
   SERVICE FILTER – hidden class
   ================================================================ */
.service-card-3d.hidden-filter,
.service-card-wide.hidden-filter {
  display: none;
}

/* ================================================================
   PROZESS STEP – connector arrow fix
   ================================================================ */
.prozess-step__connector { display: none; }