/* SEO Gösling – seo-websiteoptimierung.de – Gemeinsames CSS */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.6;color:#1e293b;background:#fff;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}

/* Topbar */
.topbar{background:#0f172a;color:#cbd5e1;font-size:.875rem;padding:.625rem 0;display:none}
@media(min-width:1024px){.topbar{display:block}}
.topbar-inner{max-width:80rem;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center}
.topbar a{color:#cbd5e1;display:flex;align-items:center;gap:.5rem;transition:color .2s}
.topbar a:hover{color:#2dd4bf}
.topbar-links{display:flex;gap:1.5rem}

/* Nav */
nav.mainnav{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 1px 3px rgba(0,0,0,.1);transition:all .3s}
.nav-inner{max-width:80rem;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center;height:4.5rem}
.logo-wrap{display:flex;align-items:center;gap:.75rem}
.logo-icon{width:2.5rem;height:2.5rem;background:#0d9488;border-radius:.5rem;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.125rem;flex-shrink:0}
.logo-text{font-size:1.25rem;font-weight:700;color:#0f172a;letter-spacing:-.02em}
.nav-links{display:none;gap:.25rem;align-items:center}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-links a{padding:.5rem 1rem;border-radius:.5rem;font-size:.875rem;font-weight:500;color:#475569;transition:all .2s}
.nav-links a:hover,.nav-links a.active{color:#0f766e;background:#f0fdfa}
.nav-cta{display:none}
@media(min-width:1024px){.nav-cta{display:block}}
.btn-nav{background:#0d9488;color:#fff;font-weight:600;padding:.5rem 1.5rem;border-radius:.375rem;font-size:.875rem;transition:background .2s;border:none;cursor:pointer}
.btn-nav:hover{background:#0f766e}

/* Mobile Menu */
.hamburger{background:none;border:none;cursor:pointer;padding:.5rem;border-radius:.5rem;color:#334155;display:flex}
@media(min-width:1024px){.hamburger{display:none}}
.mobile-menu{position:fixed;top:0;right:0;height:100%;width:20rem;max-width:85vw;background:#fff;z-index:100;transform:translateX(100%);transition:transform .3s ease-out;box-shadow:-4px 0 20px rgba(0,0,0,.15)}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem;border-bottom:1px solid #e2e8f0}
.mobile-menu-header span{font-weight:700;color:#0f172a}
.mobile-close{background:none;border:none;cursor:pointer;padding:.5rem;border-radius:.5rem}
.mobile-menu-links a{display:block;padding:.875rem 1.25rem;font-size:1rem;font-weight:500;color:#334155;transition:all .2s}
.mobile-menu-links a:hover,.mobile-menu-links a.active{background:#f0fdfa;color:#0f766e}
.mobile-menu-footer{padding:1.25rem;border-top:1px solid #e2e8f0}
.mobile-menu-footer .btn-full{display:block;width:100%;text-align:center;background:#0d9488;color:#fff;font-weight:600;padding:.75rem 1rem;border-radius:.5rem;font-size:.875rem;margin-bottom:.75rem}
.mobile-menu-tel{display:flex;justify-content:center;align-items:center;gap:.5rem;font-size:.875rem;color:#64748b}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:90;display:none}
.overlay.show{display:block}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;padding:.75rem 2rem;border-radius:.375rem;border:none;cursor:pointer;transition:all .2s;font-size:1rem;text-decoration:none}
.btn-primary{background:#0d9488;color:#fff}
.btn-primary:hover{background:#0f766e}
.btn-outline{background:transparent;color:#fff;border:2px solid #fff}
.btn-outline:hover{background:#fff;color:#0f766e}
.btn-lg{padding:1rem 2.5rem;font-size:1.0625rem}
.btn-white{background:#fff;color:#0f766e}
.btn-white:hover{background:#f0fdfa}

/* Hero */
.hero{background:#0f172a;color:#fff;padding:6rem 0 5rem;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,#0f172a 0%,#1e293b 50%,rgba(13,148,136,.15) 100%)}
.hero-inner{position:relative;max-width:80rem;margin:0 auto;padding:0 1.5rem}
.hero-badge{display:inline-block;background:rgba(45,212,191,.15);color:#2dd4bf;border:1px solid rgba(45,212,191,.3);border-radius:9999px;padding:.25rem 1rem;font-size:.875rem;font-weight:500;margin-bottom:1.5rem}
.hero h1{font-size:clamp(2.25rem,5vw,3.75rem);font-weight:700;line-height:1.15;margin-bottom:1.5rem;max-width:45rem}
.hero-lead{font-size:1.125rem;color:#cbd5e1;margin-bottom:2rem;max-width:40rem;line-height:1.7}
.hero-sub{color:#94a3b8;margin-bottom:2rem;max-width:40rem;line-height:1.7}
.hero-btns{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:3.5rem}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;padding-top:2.5rem;border-top:1px solid #334155;max-width:28rem}
.stat-num{font-size:1.875rem;font-weight:700;color:#2dd4bf}
.stat-label{font-size:.875rem;color:#94a3b8;margin-top:.25rem}

/* Sections */
.section{padding:5rem 0}
.section-light{background:#f8fafc}
.section-dark{background:#0f172a;color:#fff}
.section-teal{background:#0d9488;color:#fff}
.container{max-width:80rem;margin:0 auto;padding:0 1.5rem}
.container-sm{max-width:48rem;margin:0 auto;padding:0 1.5rem}
.section-title{font-size:clamp(1.75rem,3.5vw,2.25rem);font-weight:700;color:#0f172a;margin-bottom:1rem}
.section-lead{color:#64748b;font-size:1.0625rem;line-height:1.7;margin-bottom:3.5rem}
.text-center{text-align:center}

/* Cards */
.card-grid{display:grid;gap:2rem}
@media(min-width:768px){.card-grid-2{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.card-grid-3{grid-template-columns:repeat(3,1fr)}.card-grid-4{grid-template-columns:repeat(4,1fr)}}
.card{background:#fff;border:1px solid #e2e8f0;border-radius:.75rem;padding:2rem;transition:all .3s}
.card:hover{border-color:#99f6e4;box-shadow:0 10px 25px rgba(13,148,136,.1)}
.card-icon{width:3rem;height:3rem;color:#0d9488;margin-bottom:1.25rem}
.card h3{font-size:1.25rem;font-weight:700;color:#0f172a;margin-bottom:.75rem}
.card p{color:#64748b;font-size:.9375rem;line-height:1.7;margin-bottom:1.25rem}
.card-link{display:inline-flex;align-items:center;gap:.25rem;font-size:.875rem;font-weight:600;color:#0d9488}
.card-link:hover{color:#0f766e}
.card-check-list{list-style:none;margin-bottom:1.25rem}
.card-check-list li{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:#64748b;padding:.375rem 0}
.card-check-list li::before{content:'✓';color:#0d9488;font-weight:700;flex-shrink:0}

/* Feature boxes */
.feature-box{display:flex;gap:1rem;background:#fff;padding:1.25rem;border-radius:.75rem;border:1px solid #e2e8f0}
.feature-icon{color:#0d9488;flex-shrink:0;margin-top:.125rem}
.feature-box h4{font-size:1rem;font-weight:600;color:#0f172a;margin-bottom:.25rem}
.feature-box p{font-size:.875rem;color:#64748b;line-height:1.6}

/* Steps */
.step-num{font-size:3rem;font-weight:700;color:#ccfbf1;margin-bottom:.75rem;line-height:1}
.step h3{font-size:1.125rem;font-weight:600;color:#0f172a;margin-bottom:.5rem}
.step p{font-size:.875rem;color:#64748b;line-height:1.7}

/* Tags */
.tag{display:inline-block;background:#f0fdfa;color:#0f766e;padding:.25rem .75rem;border-radius:9999px;font-size:.875rem}

/* FAQ */
.faq-item{background:#fff;border:1px solid #e2e8f0;border-radius:.75rem;overflow:hidden;margin-bottom:.75rem}
.faq-summary{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;cursor:pointer;font-weight:500;color:#0f172a;list-style:none;user-select:none;gap:1rem}
.faq-summary::-webkit-details-marker{display:none}
.faq-summary .faq-icon{width:2rem;height:2rem;background:#f1f5f9;border-radius:9999px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .2s}
details[open] .faq-icon{background:#ccfbf1}
.faq-icon svg{transition:transform .2s;color:#64748b}
details[open] .faq-icon svg{transform:rotate(180deg);color:#0d9488}
.faq-answer{padding:0 1.5rem 1.25rem;color:#64748b;line-height:1.7;font-size:.9375rem}

/* Testimonials */
.testi{background:#1e293b;border:1px solid #334155;border-radius:.75rem;padding:1.5rem}
.stars{display:flex;gap:.125rem;margin-bottom:1rem}
.star{color:#f59e0b;font-size:1.125rem}
.testi-text{color:#cbd5e1;font-style:italic;line-height:1.7;margin-bottom:1.5rem}
.testi-author{border-top:1px solid #334155;padding-top:1rem}
.testi-name{font-weight:600;color:#fff}
.testi-role{font-size:.875rem;color:#94a3b8}

/* CTA Banner */
.cta-section{padding:5rem 0;text-align:center}
.cta-section h2{font-size:clamp(1.75rem,3.5vw,2.25rem);font-weight:700;margin-bottom:1rem}
.cta-section p{font-size:1.125rem;margin-bottom:2rem;opacity:.9}
.cta-btns{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}

/* Prose */
.prose h2{font-size:1.5rem;font-weight:700;color:#0f172a;margin:2rem 0 1rem}
.prose h3{font-size:1.25rem;font-weight:600;color:#0f172a;margin:1.5rem 0 .75rem}
.prose p{color:#475569;line-height:1.75;margin-bottom:1.25rem}
.prose a{color:#0d9488;text-decoration:underline}
.prose ul{margin:1rem 0 1.25rem 1.5rem;color:#475569}
.prose li{margin-bottom:.5rem;line-height:1.7}

/* Blog */
.blog-img{width:100%;height:12rem;background:linear-gradient(135deg,#0d9488,#0369a1);border-radius:.75rem .75rem 0 0;display:flex;align-items:center;justify-content:center;font-size:3rem}
.blog-date{font-size:.8125rem;color:#94a3b8;margin-bottom:.5rem}
.blog-card h3{font-size:1.125rem;font-weight:700;color:#0f172a;margin-bottom:.75rem}
.blog-card p{font-size:.875rem;color:#64748b;line-height:1.6;margin-bottom:1rem}

/* Footer */
footer{background:#0f172a;color:#94a3b8;padding:4rem 0 0}
.footer-grid{display:grid;gap:2.5rem;margin-bottom:3rem}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.footer-logo{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem}
.footer-logo-icon{width:2.25rem;height:2.25rem;background:#0d9488;border-radius:.5rem;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;flex-shrink:0}
.footer-logo span{font-size:1.125rem;font-weight:700;color:#fff}
footer p{font-size:.875rem;line-height:1.7;margin-bottom:1rem}
.footer-contact{font-size:.875rem}
.footer-contact a{display:flex;align-items:center;gap:.5rem;color:#94a3b8;margin-bottom:.5rem;transition:color .2s}
.footer-contact a:hover{color:#2dd4bf}
.footer-contact .ico{color:#0d9488;flex-shrink:0;font-size:1rem}
footer h4{color:#fff;font-weight:600;margin-bottom:1rem}
.footer-links{list-style:none}
.footer-links li{margin-bottom:.625rem}
.footer-links a{font-size:.875rem;color:#94a3b8;transition:color .2s}
.footer-links a:hover{color:#2dd4bf}
.footer-cta-text{font-size:.875rem;margin-bottom:1rem}
.footer-cta-btn{display:inline-block;background:#0d9488;color:#fff;font-weight:600;padding:.625rem 1.25rem;border-radius:.5rem;font-size:.875rem;transition:background .2s}
.footer-cta-btn:hover{background:#0f766e}
.footer-bottom{border-top:1px solid #1e293b;padding:1.25rem 0}
.footer-bottom-inner{max-width:80rem;margin:0 auto;padding:0 1.5rem;display:flex;flex-direction:column;gap:.75rem;align-items:center;font-size:.875rem;color:#64748b}
@media(min-width:640px){.footer-bottom-inner{flex-direction:row;justify-content:space-between}}
.footer-legal{display:flex;gap:1rem}
.footer-legal a{color:#64748b;transition:color .2s}
.footer-legal a:hover{color:#2dd4bf}

/* Responsive helpers */
@media(max-width:767px){
  .hero{padding:4rem 0 3.5rem}
  .section{padding:3.5rem 0}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:1rem}
}

/* Highlight text */
strong{font-weight:600;color:#0f172a}
.text-teal{color:#0d9488}
.text-muted{color:#64748b}
.bg-light{background:#f8fafc}

/* Utility */
.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mb-8{margin-bottom:2rem}.mb-12{margin-bottom:3rem}.mb-14{margin-bottom:3.5rem}
.mt-4{margin-top:1rem}.mt-6{margin-top:1.5rem}.mt-8{margin-top:2rem}.mt-14{margin-top:3.5rem}
.gap-2{gap:.5rem}.gap-4{gap:1rem}.gap-6{gap:1.5rem}
.flex{display:flex}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}
.grid{display:grid}
.w-full{width:100%}
.rounded{border-radius:.375rem}.rounded-lg{border-radius:.75rem}.rounded-xl{border-radius:1rem}.rounded-full{border-radius:9999px}
.bg-white{background:#fff}
.border{border:1px solid #e2e8f0}
.shadow{box-shadow:0 2px 8px rgba(0,0,0,.06)}
.p-6{padding:1.5rem}.p-8{padding:2rem}
.font-bold{font-weight:700}.font-semibold{font-weight:600}
.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.text-2xl{font-size:1.5rem}.text-3xl{font-size:1.875rem}
.text-white{color:#fff}
.opacity-90{opacity:.9}

/* Schema / JSON-LD hidden */
script[type="application/ld+json"]{display:none}