/* Opervanta GmbH — Design System
   Farbwelt: "Vanta" Tiefschwarz/Anthrazit + warmes Kupfer als Vertrauens-Akzent */
:root{
  --ink:#0c0e12;          /* Grundschwarz */
  --ink-2:#14171e;        /* Karten */
  --ink-3:#1c212b;        /* Linien/Hover */
  --line:#262c38;
  --paper:#f7f6f3;        /* helle Sektionen */
  --paper-2:#efece6;
  --text:#e9eaee;
  --text-dim:#a8aebd;
  --text-ink:#171a20;
  --text-ink-dim:#565e6d;
  --accent:#c98a48;       /* Kupfer */
  --accent-2:#e0a866;
  --accent-soft:rgba(201,138,72,.14);
  --ok:#5fa87a;
  --radius:14px;
  --radius-lg:22px;
  --wrap:1200px;
  --shadow:0 24px 60px -28px rgba(0,0,0,.55);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
body{overflow-x:clip}
body{
  margin:0;background:var(--ink);color:var(--text);
  font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:clamp(1rem,.97rem + .18vw,1.075rem);line-height:1.72;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%}
a{color:inherit}
h1,h2,h3,h4{font-family:Fraunces,Georgia,serif;font-weight:700;line-height:1.14;letter-spacing:-.015em;margin:0 0 .5em}
h1{font-size:clamp(2.05rem,1.35rem + 2.9vw,3.9rem)}
h2{font-size:clamp(1.6rem,1.15rem + 1.85vw,2.65rem)}
h3{font-size:clamp(1.15rem,1.02rem + .5vw,1.42rem);line-height:1.3}
h4{font-size:1.03rem;font-family:Inter,sans-serif;font-weight:600;letter-spacing:0}
p{margin:0 0 1.1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(18px,4vw,36px)}
.narrow{max-width:820px}
.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:#fff;padding:10px 16px;z-index:200}
.skip:focus{left:12px;top:12px}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:6px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:100;background:rgba(12,14,18,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex:0 0 auto}
.brand .mark{width:32px;height:32px;color:var(--accent);flex:0 0 auto}
.wordmark{display:flex;flex-direction:column;font-family:Fraunces,serif;font-weight:700;font-size:1.16rem;letter-spacing:-.02em;line-height:1.05}
.wordmark small{font-family:Inter,sans-serif;font-weight:500;font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-dim);margin-top:3px}
.wordmark.big{font-size:1.5rem}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-item{position:relative}
.nav-item>a{display:flex;align-items:center;gap:5px;text-decoration:none;color:var(--text-dim);font-size:.9rem;font-weight:500;padding:9px 11px;border-radius:9px;white-space:nowrap;transition:.18s}
.nav-item>a:hover,.nav-item>a.active{color:var(--text);background:var(--ink-3)}
.sub{position:absolute;top:100%;left:0;min-width:250px;background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);padding:7px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:none}
.sub a{display:block;padding:9px 12px;border-radius:9px;text-decoration:none;color:var(--text-dim);font-size:.88rem}
.sub a:hover{background:var(--ink-3);color:var(--text)}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.langs{display:flex;gap:4px}
.lang{display:flex;align-items:center;gap:5px;padding:5px 9px 5px 6px;border-radius:8px;border:1px solid var(--line);text-decoration:none;font-size:.75rem;font-weight:600;color:var(--text-dim);letter-spacing:.04em}
.lang img{border-radius:2px;display:block}
.lang.on,.lang:hover{color:var(--text);border-color:var(--accent);background:var(--accent-soft)}
.nav-cta{white-space:nowrap;font-size:.85rem;padding:10px 17px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:9px 4px;cursor:pointer;margin-left:auto}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.2s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 26px;border-radius:11px;text-decoration:none;font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:.18s;font-family:inherit;line-height:1.2}
.btn-primary{background:linear-gradient(180deg,var(--accent-2),var(--accent));color:#1a1204;box-shadow:0 10px 26px -12px rgba(201,138,72,.7)}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px)}
.btn-ghost{border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);background:var(--accent-soft)}
.btn-ink{background:var(--text-ink);color:#fff}
.btn-ink:hover{background:#000}
.btn-lg{padding:16px 30px;font-size:1rem}

/* ---------- sections ---------- */
section{padding:clamp(56px,7vw,104px) 0}
.sec-light{background:var(--paper);color:var(--text-ink)}
.sec-light h1,.sec-light h2,.sec-light h3{color:var(--text-ink)}
.sec-light p{color:var(--text-ink-dim)}
.sec-alt{background:var(--ink-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.74rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent)}
.sec-head{max-width:760px;margin-bottom:clamp(32px,4vw,52px)}
.sec-head p{color:var(--text-dim);font-size:1.06rem}
.sec-light .sec-head p{color:var(--text-ink-dim)}
.lead{font-size:clamp(1.06rem,1rem + .35vw,1.24rem);color:var(--text-dim);line-height:1.65}
.sec-light .lead{color:var(--text-ink-dim)}

/* ---------- hero ---------- */
.hero{position:relative;padding:clamp(60px,8vw,120px) 0 clamp(56px,7vw,100px);overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% 30% 40% -20%;background:radial-gradient(ellipse at center,rgba(201,138,72,.16),transparent 65%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;opacity:.22;mask-image:radial-gradient(ellipse at 70% 20%,#000,transparent 72%);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,64px);align-items:center}
.hero p.lead{max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-note{margin-top:22px;font-size:.88rem;color:var(--text-dim);display:flex;flex-wrap:wrap;gap:8px 20px}
.hero-note span{display:flex;align-items:center;gap:7px}
.hero-note svg{color:var(--accent);flex:0 0 auto}
.page-hero{padding:clamp(48px,6vw,88px) 0 clamp(36px,4vw,60px);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:-60% 50% 30% -25%;background:radial-gradient(ellipse at center,rgba(201,138,72,.13),transparent 66%);pointer-events:none}
.page-hero .wrap{position:relative;z-index:1}
.crumbs{font-size:.8rem;color:var(--text-dim);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:7px}
.crumbs a{text-decoration:none;color:var(--text-dim)}
.crumbs a:hover{color:var(--accent)}
.crumbs span{opacity:.45}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:clamp(16px,2vw,22px)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(22px,2.4vw,30px);transition:.2s;position:relative}
.card h3{margin-bottom:.4em}
.card p{color:var(--text-dim);margin-bottom:0;font-size:.97rem}
.sec-light .card{background:#fff;border-color:rgba(0,0,0,.08);box-shadow:0 2px 12px -6px rgba(0,0,0,.12)}
.sec-light .card p{color:var(--text-ink-dim)}
a.card{text-decoration:none;display:block}
a.card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow)}
.card .icon{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:18px}
.card .more{display:inline-flex;align-items:center;gap:7px;margin-top:16px;color:var(--accent);font-weight:600;font-size:.9rem}
.card .num{position:absolute;top:22px;right:26px;font-family:Fraunces,serif;font-size:2.4rem;color:var(--line);line-height:1}
.sec-light .card .num{color:rgba(0,0,0,.08)}

/* Pillar-Kacheln Startseite */
.pillars{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.pillars>a:nth-child(1),.pillars>a:nth-child(2),.pillars>a:nth-child(3){grid-column:span 2}
.pillars>a:nth-child(4),.pillars>a:nth-child(5){grid-column:span 3}

/* ---------- Listen ---------- */
.ticks{list-style:none;padding:0;margin:0 0 1.2em;display:grid;gap:11px}
.ticks li{position:relative;padding-left:30px;color:var(--text-dim)}
.sec-light .ticks li{color:var(--text-ink-dim)}
.ticks li::before{content:"";position:absolute;left:0;top:.52em;width:16px;height:9px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.ticks strong{color:var(--text);font-weight:600}
.sec-light .ticks strong{color:var(--text-ink)}
.arrows{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.arrows li{position:relative;padding-left:24px;color:var(--text-dim)}
.arrows li::before{content:"→";position:absolute;left:0;color:var(--accent)}

/* ---------- Prozess ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
.step{position:relative;padding:0 24px 0 0}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:Fraunces,serif;font-size:.95rem;color:var(--accent);display:block;margin-bottom:14px;letter-spacing:.1em}
.step::after{content:"";position:absolute;left:0;top:-18px;right:0;height:1px;background:var(--line)}
.step h3{font-size:1.1rem}
.step p{color:var(--text-dim);font-size:.94rem;margin:0}
.sec-light .step p{color:var(--text-ink-dim)}
.sec-light .step::after{background:rgba(0,0,0,.12)}

/* ---------- Split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4.5vw,64px);align-items:center}
.split.wide-left{grid-template-columns:1.2fr .8fr}
.panel{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(24px,3vw,38px)}
.sec-light .panel{background:#fff;border-color:rgba(0,0,0,.08)}

/* ---------- Stats / Trust ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat{border-left:2px solid var(--accent);padding-left:18px}
.stat b{display:block;font-family:Fraunces,serif;font-size:clamp(1.7rem,1.3rem + 1.4vw,2.4rem);line-height:1.05}
.stat span{font-size:.88rem;color:var(--text-dim)}
.sec-light .stat span{color:var(--text-ink-dim)}

/* ---------- Preise ---------- */
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.price{background:#fff;border:1px solid rgba(0,0,0,.09);border-radius:var(--radius-lg);padding:30px;position:relative}
.price.feat{border-color:var(--accent);box-shadow:0 20px 50px -26px rgba(201,138,72,.55)}
.price .tag{position:absolute;top:-12px;left:30px;background:var(--accent);color:#1a1204;font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:5px 12px;border-radius:99px}
.price .amount{font-family:Fraunces,serif;font-size:2.5rem;line-height:1;color:var(--text-ink);display:flex;align-items:baseline;gap:6px;margin:6px 0 4px}
.price .amount small{font-family:Inter,sans-serif;font-size:.86rem;font-weight:500;color:var(--text-ink-dim)}
.price .scope{font-size:.9rem;color:var(--text-ink-dim);margin-bottom:20px}
.price .btn{width:100%;margin-top:22px}
.price-note{font-size:.9rem;color:var(--text-ink-dim)}
table.rates{width:100%;border-collapse:collapse;margin:0 0 1.2em;font-size:.95rem}
table.rates th,table.rates td{text-align:left;padding:12px 14px;border-bottom:1px solid rgba(0,0,0,.1)}
table.rates th{font-weight:600;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--text-ink-dim)}
table.rates td:last-child,table.rates th:last-child{text-align:right;white-space:nowrap}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:10px;max-width:880px}
.faq details{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.sec-light .faq details{background:#fff;border-color:rgba(0,0,0,.09)}
.faq summary{cursor:pointer;padding:18px 52px 18px 22px;font-weight:600;position:relative;list-style:none;font-size:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--accent);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 22px 20px;color:var(--text-dim);font-size:.97rem}
.sec-light .faq .a{color:var(--text-ink-dim)}

/* ---------- CTA-Band ---------- */
.cta-band{background:linear-gradient(135deg,#171b23,#0e1116);border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:auto -10% -80% 40%;height:300px;background:radial-gradient(ellipse at center,rgba(201,138,72,.2),transparent 62%)}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between}
.cta-inner h2{margin:0 0 .35em;max-width:20ch}
.cta-inner p{color:var(--text-dim);margin:0;max-width:52ch}

/* ---------- Prosa (SEO-Text) ---------- */
.prose{max-width:78ch}
.prose h2{margin-top:1.8em}
.prose h3{margin-top:1.6em}
.prose ul{padding-left:1.15em;color:var(--text-dim)}
.sec-light .prose ul{color:var(--text-ink-dim)}
.prose li{margin-bottom:.5em}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}

/* ---------- Formular ---------- */
.form{display:grid;gap:16px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:.85rem;font-weight:600;color:var(--text)}
.sec-light .field label{color:var(--text-ink)}
.field input,.field select,.field textarea{
  background:var(--ink);border:1px solid var(--line);border-radius:10px;padding:13px 15px;
  color:var(--text);font-family:inherit;font-size:.97rem;width:100%
}
.sec-light .field input,.sec-light .field select,.sec-light .field textarea{background:#fff;border-color:rgba(0,0,0,.15);color:var(--text-ink)}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);outline:none}
.consent{display:flex;gap:11px;align-items:flex-start;font-size:.85rem;color:var(--text-dim)}
.sec-light .consent{color:var(--text-ink-dim)}
.consent input{width:18px;height:18px;flex:0 0 auto;margin-top:2px;accent-color:var(--accent)}
.hp{position:absolute;left:-9999px}
.form-msg{padding:14px 16px;border-radius:10px;font-size:.92rem;display:none}
.form-msg.ok{display:block;background:rgba(95,168,122,.15);border:1px solid rgba(95,168,122,.45);color:#8fd0ac}
.form-msg.err{display:block;background:rgba(214,96,96,.14);border:1px solid rgba(214,96,96,.42);color:#e8a2a2}
.sec-light .form-msg.ok{color:#2f6b4a}
.sec-light .form-msg.err{color:#9c3535}
.cal-embed{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;min-height:640px;background:var(--ink-2)}
.cal-embed iframe{width:100%;min-height:640px;border:0;display:block}
.cal-fallback{padding:38px;text-align:center;color:var(--text-dim)}

/* ---------- Sticky CTA ---------- */
.sticky-cta{position:fixed;right:22px;bottom:22px;z-index:90;background:linear-gradient(180deg,var(--accent-2),var(--accent));color:#1a1204;padding:13px 22px;border-radius:99px;text-decoration:none;font-weight:600;font-size:.9rem;box-shadow:0 16px 36px -14px rgba(0,0,0,.75);opacity:0;transform:translateY(14px);pointer-events:none;transition:.25s;max-width:calc(100% - 44px);white-space:normal;text-align:center}
.sticky-cta.show{opacity:1;transform:none;pointer-events:auto}

/* ---------- Footer ---------- */
.site-foot{background:#080a0d;border-top:1px solid var(--line);padding-top:clamp(48px,6vw,76px)}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr .9fr;gap:clamp(28px,4vw,56px);padding-bottom:44px}
.foot-brand p{color:var(--text-dim);font-size:.93rem;margin-top:16px}
.foot-adr{font-size:.9rem;line-height:1.7}
.foot-nav{display:flex;flex-direction:column;gap:7px}
.foot-nav a{text-decoration:none;color:var(--text-dim);font-size:.92rem}
.foot-nav a:hover{color:var(--accent)}
.foot-nav .f-top{color:var(--text);font-weight:600;margin-top:12px}
.foot-nav .f-top:first-child{margin-top:0}
.foot-contact h3{font-size:1rem;font-family:Inter,sans-serif;font-weight:600}
.foot-contact a{display:block;text-decoration:none;color:var(--text-dim);font-size:.94rem;margin-bottom:7px}
.foot-contact a:hover{color:var(--accent)}
.foot-contact .btn{margin-top:18px;color:#1a1204}
.hours{font-size:.86rem;color:var(--text-dim);margin-top:14px}
.foot-bar{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:22px;padding-bottom:26px;font-size:.85rem;color:var(--text-dim)}
.foot-bar nav{display:flex;gap:20px}
.foot-bar a{text-decoration:none;color:var(--text-dim)}
.foot-bar a:hover{color:var(--accent)}

/* ---------- responsive ---------- */

@media(min-width:1181px) and (max-width:1420px){
  .nav{gap:10px}
  .nav-item>a{font-size:.79rem;padding:7px 6px;gap:4px}
  .nav-cta{font-size:.78rem;padding:9px 12px}
  .wordmark{font-size:1.05rem}
  .lang{padding:4px 7px 4px 5px;font-size:.7rem}
}
@media(max-width:1180px){
  .nav-links{position:fixed;top:72px;left:0;right:0;height:calc(100dvh - 72px);flex-direction:column;align-items:stretch;gap:2px;background:var(--ink);border-top:1px solid var(--line);padding:18px clamp(18px,4vw,36px) 40px;overflow-y:auto;transform:translateX(100%);transition:transform .25s,visibility 0s .25s;margin:0;z-index:99;visibility:hidden}
  .nav-links.open{transform:none;visibility:visible;transition:transform .25s}
  .nav-item>a{font-size:1.02rem;padding:13px 8px;justify-content:space-between}
  .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;border:0;border-left:1px solid var(--line);border-radius:0;margin:0 0 8px 12px;padding:0 0 0 8px;display:block}
  .nav-right{margin-left:auto}
  .nav-cta{display:none}
  .burger{display:flex;margin-left:8px}
  body.nav-open{overflow:hidden}
}
@media(max-width:980px){
  .g4,.stats{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .pillars{grid-template-columns:repeat(2,1fr)}
  .pillars>a{grid-column:span 1!important}
  .steps{grid-template-columns:repeat(2,1fr);gap:30px 24px}
  .split,.hero-grid,.foot-grid{grid-template-columns:1fr}
  .split.wide-left{grid-template-columns:1fr}
  .prices{grid-template-columns:1fr}
  .price.feat{order:-1}
}
@media(max-width:640px){
  .g2,.g3,.g4,.pillars,.stats{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:26px}
  .row2{grid-template-columns:1fr}
  .sticky-cta{left:50%;right:auto;bottom:14px;padding:10px 16px;font-size:.82rem;line-height:1.3;display:inline-block;width:auto;max-width:min(230px,calc(100vw - 32px));transform:translateX(-50%) translateY(14px)}
  .sticky-cta.show{transform:translateX(-50%)}
  .wordmark small{display:none}
  .lang span{display:none}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}