/* invoycr Landingpage – Markenfarben: Rot #B32428, Weiß, Schwarz/Grau */
:root{
  --red:#b32428; --red-700:#87191d; --ink:#16181d; --ink-2:#23262d;
  --text:#20242b; --muted:#6b7280; --border:#e7e9ee; --gray-50:#f8f9fb; --gray-100:#f3f4f6;
  --tint:#fbeded; --white:#fff; --radius:14px; --header-h:70px;
  --ease:cubic-bezier(.4,0,.2,1);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--white);
  line-height:1.65;font-size:1.0625rem;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--red);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--red-700)}
h1,h2,h3{color:var(--ink);line-height:1.15;margin:0 0 .6em;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem)}
h2{font-size:clamp(1.7rem,3vw,2.4rem)}
h3{font-size:1.2rem}
p{margin:0 0 1rem}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:3px solid var(--red);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1180px;margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2rem)}
.section{padding-block:clamp(3.2rem,6vw,5.5rem)}
.bg-gray{background:var(--gray-50)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:0;top:0;z-index:1000;background:var(--ink);color:#fff;padding:.75rem 1.25rem}

/* Kopf */
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-size:.8rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--red);margin:0 0 1rem}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--red)}
.section-head{max-width:720px;margin-bottom:clamp(2rem,4vw,3rem)}
.section-head p{color:var(--muted);font-size:1.1rem;margin-bottom:0}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.55rem;padding:.85rem 1.6rem;font-size:1rem;
  font-weight:600;line-height:1;border-radius:999px;border:2px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 8px 22px rgba(179,36,40,.28)}
.btn-primary:hover{background:var(--red-700);color:#fff;box-shadow:0 12px 28px rgba(179,36,40,.34)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--border)}
.btn-outline:hover{color:var(--red);border-color:var(--red)}
.btn-sm{padding:.62rem 1.2rem;font-size:.92rem}
.arrow{transition:transform .2s var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:var(--header-h);gap:1.5rem}
.wordmark{font-size:1.6rem;font-weight:800;color:var(--red);letter-spacing:-.03em;line-height:1}
.wordmark small{display:block;font-size:.62rem;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:1.6rem}
.main-nav .nav-links a{color:var(--ink);font-weight:600;font-size:.95rem}
.main-nav .nav-links a:hover{color:var(--red)}
.nav-links{display:flex;gap:1.6rem}
@media (max-width:860px){.nav-links{display:none}}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;
  padding-block:clamp(3.5rem,8vw,6rem)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-overlay{position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(13,14,17,.93) 0%,rgba(13,14,17,.7) 50%,rgba(13,14,17,.35) 100%)}
.hero .container{position:relative;z-index:2;max-width:860px}
.hero .eyebrow{color:#fff}
.hero h1{color:#fff;text-shadow:0 2px 16px rgba(0,0,0,.4)}
.hero h1 .brand{color:var(--red);display:block;font-size:1.28em;letter-spacing:-.04em}
.hero-lead{font-size:clamp(1.05rem,1.6vw,1.28rem);color:rgba(255,255,255,.92);max-width:62ch;
  margin-bottom:2rem;text-shadow:0 1px 10px rgba(0,0,0,.45)}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem}

/* Fristen */
.fristen{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.frist{background:var(--gray-100);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem}
.frist.is-now{background:var(--tint)}
.frist .jahr{font-size:1.5rem;font-weight:800;color:var(--red);line-height:1}
.frist h3{font-size:1.05rem;margin:.6rem 0 .4rem}
.frist p{color:var(--text);font-size:.95rem;margin:0}

/* Duo */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.duo-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:2rem;
  box-shadow:0 1px 3px rgba(16,18,22,.06)}
.tag{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--red);margin-bottom:.6rem}
.duo-card h3{font-size:1.35rem;margin-bottom:.75rem}

/* Checkliste */
.checklist{list-style:none;margin:0;padding:0;display:grid;gap:.7rem}
.checklist li{position:relative;padding-left:1.9rem;color:var(--text);font-size:.98rem}
.checklist li::before{content:"";position:absolute;left:0;top:.2em;width:1.15rem;height:1.15rem;
  border-radius:50%;background:var(--red);
  -webkit-mask:no-repeat center/64% url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
  mask:no-repeat center/64% url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E")}

/* Karten-Raster */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.6rem}
.card h3{font-size:1.1rem;margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.95rem;margin:0}

/* Chips */
.chips{display:flex;flex-wrap:wrap;gap:.6rem}
.chip{background:#fff;border:1px solid var(--red);color:var(--red-700);font-size:.9rem;
  font-weight:600;padding:.45rem .95rem;border-radius:999px}

/* FAQ */
.faq{display:grid;gap:.75rem;max-width:880px}
.faq details{background:#fff;border:1px solid var(--border);border-radius:10px;padding:0 1.25rem}
.faq summary{cursor:pointer;list-style:none;padding:1.1rem 0;font-weight:600;color:var(--ink);
  display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--red);font-size:1.5rem;line-height:1;transition:transform .2s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details>p{color:var(--muted);margin:0;padding:0 0 1.1rem}

/* CTA */
.cta{background:linear-gradient(135deg,var(--ink) 0%,#2a1314 60%,var(--red-700) 140%);color:#fff}
.cta-inner{text-align:center;max-width:740px;margin-inline:auto;padding-block:clamp(3.2rem,6vw,5rem)}
.cta h2{color:#fff}
.cta p{color:#c9cdd4;font-size:1.1rem;margin-bottom:2rem}
.cta-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* Footer */
.site-footer{background:var(--ink);color:#b9bdc6;padding-block:2.5rem 1.5rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem}
.site-footer h3{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:1rem}
.site-footer a{color:#b9bdc6}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.5rem}
.footer-logo{margin-bottom:1rem;width:150px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:2rem;padding-top:1.2rem;
  font-size:.88rem;color:#777c86;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}

/* Rechtstexte */
.legal{max-width:820px}
.legal h2{font-size:1.4rem;margin-top:2.2rem}
.legal h3{font-size:1.1rem;margin-top:1.6rem}
.legal p,.legal li{color:var(--muted)}
.legal ul{padding-left:1.25rem}
.legal address{font-style:normal;line-height:1.8;color:var(--text)}

@media (max-width:980px){.grid{grid-template-columns:repeat(2,1fr)}.fristen{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){
  .duo,.grid,.grid.cols-3,.fristen{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}