/* ARVARO – Gebäudereinigung & Gebäudeservice
   Keine externen Schriften/Skripte (DSGVO-freundlich) */
:root{
  --green:#004a33;
  --green-900:#00301f;
  --teal:#00a888;
  --teal-600:#008f74;
  --mint:#e8f5f0;
  --mint-2:#f4faf7;
  --ink:#16241f;
  --muted:#52635c;
  --line:#d9e6e0;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 1px 2px rgba(0,48,31,.06),0 8px 24px rgba(0,48,31,.07);
  --font:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.6;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-600)}
a:hover{color:var(--green)}
:focus-visible{outline:3px solid var(--teal);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand .mark{height:40px;width:auto}
.brand .word{height:20px;width:auto}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink);text-decoration:none;font-weight:600;font-size:15px}
.nav-links a:hover{color:var(--teal-600)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:999px;font-weight:700;font-size:16px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s;font-family:inherit}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-600);color:#fff}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:var(--green);color:#fff}
.btn-sm{padding:9px 16px;font-size:15px}
.menu-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--green)}
.menu-toggle svg{width:28px;height:28px}

/* Hero */
.hero{background:linear-gradient(180deg,var(--mint-2),#fff);padding:72px 0 56px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:14px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--teal-600);margin-bottom:14px}
h1,h2,h3{color:var(--green);line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(32px,5vw,50px);letter-spacing:-.02em}
h2{font-size:clamp(26px,3.4vw,36px);letter-spacing:-.01em}
h3{font-size:19px}
.lead{font-size:19px;color:var(--muted);max-width:56ch;margin:0 0 28px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;padding:0;margin:28px 0 0;color:var(--ink);font-weight:600;font-size:15px}
.trust li{display:flex;align-items:center;gap:8px}
.check{width:20px;height:20px;flex:none;color:var(--teal)}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow);text-align:center}
.hero-card img{width:78%;margin:0 auto 12px}
.hero-card .tagline{font-size:18px;color:var(--green);font-weight:600;margin:0;border-top:2px solid var(--teal);padding-top:12px;display:inline-block}

/* Sections */
section{padding:84px 0;scroll-margin-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.section-head{max-width:680px;margin-bottom:40px}
.section-head p{color:var(--muted);margin:0}
.alt{background:var(--mint-2)}

/* Services */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card p{margin:0;color:var(--muted);font-size:16px}
.icon{width:46px;height:46px;border-radius:12px;background:var(--mint);color:var(--green);display:grid;place-items:center;margin-bottom:16px}
.icon svg{width:24px;height:24px}

/* Audience */
.audience{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.audience .card{border-top:4px solid var(--teal)}

/* Note box */
.note{display:flex;gap:18px;align-items:flex-start;background:var(--green);color:#fff;border-radius:var(--radius);padding:28px 30px;margin-top:36px}
.note h3{color:#fff;margin-bottom:6px}
.note p{margin:0;color:#d5ece4}
.note .icon{background:rgba(255,255,255,.12);color:#fff;flex:none;margin:0}

/* Why ARVARO */
.why{background:var(--green);color:#fff}
.why h2,.why h3{color:#fff}
.why .eyebrow{color:#5fd6bb}
.why .section-head p{color:#cfe8df}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px 32px}
.why-item h3{margin-bottom:6px}
.why-item p{margin:0;color:#cfe8df;font-size:16px}
.why-item .icon{background:rgba(255,255,255,.1);color:#5fd6bb}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;list-style:none;padding:0;margin:0}
.steps li{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:56px 22px 24px}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;top:18px;left:22px;width:30px;height:30px;border-radius:50%;background:var(--teal);color:#fff;font-weight:800;display:grid;place-items:center;font-size:15px}
.steps p{margin:0;color:var(--muted);font-size:16px}

/* Area */
.area-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.tags{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.tags li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-weight:600;color:var(--green);font-size:15px}
.tags li.main{background:var(--green);color:#fff;border-color:var(--green)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.contact-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:16px}
.contact-list li{display:flex;gap:14px;align-items:flex-start}
.contact-list .icon{margin:0;width:42px;height:42px}
.contact-list strong{display:block;color:var(--green)}
.contact-list span,.contact-list a{color:var(--muted)}
form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-weight:600;font-size:14px;margin:0 0 6px;color:var(--ink)}
.field{margin-bottom:16px}
input,select,textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 3px rgba(0,168,136,.18)}
textarea{min-height:120px;resize:vertical}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);margin-bottom:18px}
.consent input{width:18px;height:18px;margin-top:3px;flex:none}
.form-hint{font-size:13px;color:var(--muted);margin:12px 0 0}

/* Footer */
.site-footer{background:var(--green-900);color:#cfe3db;padding:48px 0 28px;font-size:15px}
.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px;align-items:flex-start}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.footer-brand .mark{height:34px}
.footer-brand .word{height:17px}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.footer-links{display:flex;gap:22px;list-style:none;padding:0;margin:0}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;font-size:14px;color:#9fbfb3}

/* Legal pages */
.legal{padding:56px 0 80px}
.legal .container{max-width:820px}
.legal h1{font-size:clamp(30px,4vw,40px)}
.legal h2{font-size:22px;margin-top:2em}
.legal h3{font-size:18px;margin-top:1.4em}
.legal p,.legal li{color:#2c3b35}
.todo{background:#fff3b0;padding:0 4px;border-radius:3px}

/* Responsive */
.nav-links a{white-space:nowrap}
@media (max-width:1060px){
  .menu-toggle{display:block}
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);padding:8px 20px 18px}
  .nav-links.open{display:flex}
  .nav-links li a{display:block;padding:12px 0}
  .nav-links .btn{margin-top:8px}
  .nav-links li a.btn{display:flex;padding:12px 22px;color:#fff}
}
@media (max-width:960px){
  .hero-grid,.area-grid,.contact-grid{grid-template-columns:1fr}
  .hero-card{max-width:420px}
  .grid-3,.audience,.why-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:16px}
  .menu-toggle{display:block}
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);padding:8px 20px 18px}
  .nav-links.open{display:flex}
  .nav-links li a{display:block;padding:12px 0}
  .nav-links .btn{margin-top:8px}
  section{padding:60px 0}
  .hero{padding:48px 0 40px}
  .grid-3,.audience,.steps,.row,.why-grid{grid-template-columns:1fr}
  .note{flex-direction:column}
  form{padding:22px}
  .brand .word{height:17px}
}