/* rohr-verwaltung.ch - Auftraggeber-Portal */
:root{
  --navy:#0f2238; --navy2:#16314d; --accent:#14b8a6; --accent2:#0d9488;
  --blue:#2563eb; --blue2:#1d4ed8;
  --bg:#f4f7fb; --card:#ffffff; --ink:#16263a; --muted:#5b6b80; --muted2:#7d8ba0;
  --line:#e2e9f1; --soft:#eef3f9;
  --radius:14px; --maxw:1120px; --shadow:0 18px 44px rgba(16,38,64,.1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.rv{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:"Archivo",system-ui,sans-serif;line-height:1.1;margin:0 0 .4em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.6vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800}
h3{font-size:1.1rem;font-weight:700}
p{margin:0 0 1rem}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:12px;background:var(--blue);color:#fff;padding:8px 14px;border-radius:8px;z-index:200}
.accent{color:var(--accent)}

/* Brand */
.brand{display:inline-flex;align-items:center;gap:9px;font-family:"Archivo",sans-serif;font-weight:800;font-size:1.12rem}
.brand .mark{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--blue))}
.brand .tld{color:var(--accent)}
.brand.foot{color:var(--ink)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-family:"Archivo",sans-serif;font-size:1rem;
  padding:.8rem 1.35rem;border-radius:10px;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s,border-color .15s}
.btn:hover{transform:translateY(-2px)}
.btn-sm{padding:.55rem 1rem;font-size:.95rem}
.btn-primary{background:linear-gradient(180deg,var(--blue),var(--blue2));color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.3)}
.btn-primary:hover{box-shadow:0 16px 32px rgba(37,99,235,.42)}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn.wide{width:100%;justify-content:center}

/* Header */
header.site{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:18px;min-height:70px}
.nav{display:flex;gap:22px;margin-left:auto;font-weight:600;font-size:.96rem;color:var(--muted)}
.nav a:hover{color:var(--blue2)}
.bar .btn-primary{margin-left:6px}

/* Hero */
.hero{background:radial-gradient(900px 400px at 85% -10%,rgba(20,184,166,.25),transparent 60%),linear-gradient(160deg,var(--navy),var(--navy2));
  color:#fff;padding:70px 0 64px}
.hero .eyebrow{display:inline-block;color:#9fe7df;font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem;
  border:1px solid rgba(255,255,255,.18);padding:.4rem .9rem;border-radius:999px;margin:0 0 1rem;background:rgba(255,255,255,.04)}
.hero h1{max-width:18ch}
.lead{color:#c7d4e4;font-size:1.18rem;max-width:60ch}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin:1.5rem 0 1.4rem}
.trust{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;padding:0;margin:1.2rem 0 0;color:#aab9cc;font-size:.95rem}
.trust li{display:inline-flex;align-items:center;gap:.5rem}
.trust svg{color:var(--accent);width:20px;height:20px}

/* Sections */
section{padding:66px 0}
.kicker{color:var(--blue2);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.76rem;margin:0 0 .5rem}
.section-lead{color:var(--muted);font-size:1.05rem;max-width:60ch}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:28px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 6px 18px rgba(16,38,64,.05);transition:transform .18s,box-shadow .18s,border-color .18s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(37,99,235,.35)}
.card .ico{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;margin-bottom:12px;color:var(--blue2);background:var(--soft)}
.card p{color:var(--muted);margin:0;font-size:.95rem}

/* Ablauf */
.ablauf{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.steps li{position:relative;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.steps .num{font-family:"Archivo";font-weight:800;font-size:1.4rem;color:var(--accent);display:block;margin-bottom:.2rem}
.steps p{color:var(--muted);margin:0;font-size:.92rem}

/* Vorteile */
.vorteile-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:start}
.ticks{list-style:none;padding:0;margin:1.2rem 0 0;display:grid;gap:11px}
.ticks li{position:relative;padding-left:32px;color:var(--ink)}
.ticks li::before{content:"";position:absolute;left:0;top:2px;width:21px;height:21px;border-radius:50%;background:rgba(20,184,166,.14);border:1px solid var(--accent)}
.ticks li::after{content:"";position:absolute;left:7px;top:7px;width:7px;height:4px;border-left:2px solid var(--accent2);border-bottom:2px solid var(--accent2);transform:rotate(-45deg)}
.netbox{background:linear-gradient(160deg,var(--navy),var(--navy2));color:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.netbox .card-kicker{color:#9fe7df;font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.76rem;margin:0 0 .5rem}
.netbox p{color:#c7d4e4;margin:0}

/* Auftrag */
.auftrag{background:var(--bg)}
.auftrag-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:30px;align-items:start}
.contact-list{list-style:none;padding:0;margin:1.2rem 0 0;display:grid;gap:12px}
.contact-list li{display:flex;flex-direction:column;border-top:1px solid var(--line);padding-top:10px}
.contact-list span{color:var(--muted2);font-size:.8rem;text-transform:uppercase;letter-spacing:.06em}
.contact-list a{font-size:1.1rem;font-weight:700;color:var(--ink)}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.field{margin-bottom:13px}
.field.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.3rem;font-weight:600}
input,textarea,select{width:100%;background:#fff;border:1px solid var(--line);border-radius:9px;color:var(--ink);padding:.7rem .8rem;font:inherit;transition:border-color .15s,box-shadow .15s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
textarea{resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.fineprint{color:var(--muted2);font-size:.8rem;margin:.8rem 0 0}
.note{border-radius:9px;padding:.8rem 1rem;margin-bottom:14px;font-weight:600}
.note.ok{background:#e7f8f1;border:1px solid #9fe0c7;color:#0b7a53}
.note.err{background:#fdeaea;border:1px solid #f2b8bd;color:#b1202a}

/* Footer */
.site-foot{background:#fff;border-top:1px solid var(--line);padding:44px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px;align-items:start}
.site-foot h4{font-size:.95rem;margin:0 0 .5rem}
.site-foot .brand.foot{margin-bottom:8px}
.site-foot a:hover{color:var(--blue2)}
.muted{color:var(--muted2)}
.foot-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:26px;padding-top:16px;color:var(--muted2);font-size:.85rem}
.foot-bottom p{margin:0}

/* Reveal (progressive enhancement) */
.reveal{transition:opacity .6s ease,transform .6s ease}
.js .reveal{opacity:0;transform:translateY(16px)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

@media (max-width:960px){
  .cards{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}
  .vorteile-grid,.auftrag-grid{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .nav{display:none}.cards,.steps{grid-template-columns:1fr}.field.two{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}section{padding:50px 0}.hero{padding:52px 0 48px}
}