@font-face{font-family:"Inter";src:url(fonts/inter-400.woff) format("woff");font-weight:400;font-display:swap}
@font-face{font-family:"Inter";src:url(fonts/inter-600.woff) format("woff");font-weight:600;font-display:swap}
@font-face{font-family:"Inter Display";src:url(fonts/interdisplay-700.woff) format("woff");font-weight:700;font-display:swap}
@font-face{font-family:"Inter Display";src:url(fonts/interdisplay-800.woff) format("woff");font-weight:800;font-display:swap}

:root{
  --navy:#16324F;--navy-2:#1D3F63;--petrol:#2A9D8F;--petrol-d:#0F766E;--petrol-l:#7DD3C8;
  --ink:#1F2937;--muted:#64748B;--light:#F1F5F9;--line:#E2E8F0;--paper:#FAFAF7;
  --input:#FFFBEB;--input-b:#F0E2B6;
  --blue:#2563EB;--violet:#7C3AED;--red:#B42318;
  --r:10px;--max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--paper);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--petrol-d)}
h1,h2,h3{font-family:"Inter Display","Inter",system-ui,sans-serif;color:var(--navy);line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,4.6vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.75rem,3vw,2.4rem);font-weight:800}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.kicker{font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--petrol-d);margin-bottom:.9rem;display:flex;align-items:center;gap:.6rem}
.kicker::before{content:"";width:28px;height:4px;border-radius:2px;background:var(--petrol)}
.lead{font-size:1.15rem;color:#475569;max-width:640px}
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:1rem;padding:.8rem 1.35rem;border-radius:8px;text-decoration:none;border:2px solid transparent;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--petrol);color:#fff}
.btn-primary:hover{background:var(--petrol-d)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2)}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:99}

/* Header */
.top{position:sticky;top:0;z-index:20;background:rgba(250,250,247,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--navy);font-family:"Inter Display",sans-serif;font-weight:800;font-size:1.3rem;letter-spacing:-.02em}
.brand svg{width:34px;height:34px}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.95rem}
.nav a:hover{color:var(--petrol-d)}
.nav .btn{padding:.55rem 1rem;font-size:.92rem;color:#fff}
.menu-btn{display:none;background:none;border:0;font:inherit;font-weight:600;color:var(--navy);cursor:pointer;padding:.5rem}

/* Hero */
.hero{background:var(--navy);color:#CBD5E1;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:6px;background:var(--petrol)}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;padding-top:84px;padding-bottom:96px}
.hero h1{color:#fff}
.hero .kicker{color:var(--petrol-l)}
.hero .kicker::before{background:var(--petrol-l)}
.hero .lead{color:#CBD5E1}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:34px;font-size:.92rem;color:#E2E8F0}
.hero-facts span::before{content:"✓";color:var(--petrol-l);font-weight:700;margin-right:.45rem}
.stack{position:relative}.stack .sheet{position:relative!important}
.stack .sheet{position:absolute;right:0;top:0;width:100%;border-radius:10px;overflow:hidden;box-shadow:0 30px 60px -20px rgba(0,0,0,.55);background:#fff}
.stack .sheet .bar{height:26px;background:#E2E8F0;display:flex;align-items:center;gap:6px;padding:0 10px}
.stack .sheet .bar i{width:9px;height:9px;border-radius:50%;background:#CBD5E1}
.stack .pdf{position:absolute;left:-36px;bottom:-40px;width:30%;border-radius:6px;box-shadow:0 24px 50px -16px rgba(0,0,0,.6);transform:rotate(-3deg)}

/* Strip */
.strip{background:#fff;border-bottom:1px solid var(--line)}
.strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:28px;padding-bottom:28px}
.strip b{display:block;color:var(--navy);font-family:"Inter Display",sans-serif;font-size:1.05rem}
.strip span{font-size:.9rem;color:var(--muted)}

section{padding:96px 0}
.sec-head{max-width:720px;margin-bottom:44px}

/* Register tabs (Produkte) */
.tabs{display:flex;gap:6px;flex-wrap:wrap;position:relative;z-index:1}
.tab{appearance:none;font:inherit;font-weight:600;font-size:.98rem;padding:.85rem 1.3rem .75rem;border:1px solid var(--line);border-bottom:none;border-radius:10px 10px 0 0;background:#fff;color:var(--muted);cursor:pointer;border-top:4px solid #CBD5E1;margin-bottom:-1px}
.tab[aria-selected="true"]{color:var(--navy);border-top-color:var(--c);background:var(--t)}
.tab:hover{color:var(--navy)}
.panel{border:1px solid var(--line);border-radius:0 12px 12px 12px;background:var(--t);padding:44px}
.panel[hidden]{display:none}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.price{display:flex;align-items:baseline;gap:.6rem;margin:1.2rem 0 1.4rem}
.price b{font-family:"Inter Display",sans-serif;font-size:2.2rem;color:var(--navy)}
.price span{color:var(--muted);font-size:.9rem}
.checks{list-style:none;padding:0;margin:0 0 1.2rem}
.checks li{position:relative;padding-left:1.7rem;margin-bottom:.55rem}
.checks li::before{content:"";position:absolute;left:0;top:.42em;width:14px;height:14px;border-radius:4px;background:var(--c)}
.checks li::after{content:"";position:absolute;left:4px;top:.62em;width:6px;height:3px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}
.shot{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 14px 30px -18px rgba(22,50,79,.35)}
.shot+.shot{margin-top:16px}
.pages{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.pages img{border:1px solid var(--line);border-radius:6px;box-shadow:0 10px 24px -16px rgba(22,50,79,.4);background:#fff}
.files{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 1.4rem}
.files span{font-size:.82rem;font-weight:600;background:#fff;border:1px solid var(--line);border-radius:6px;padding:.3rem .6rem;color:var(--navy)}

/* Excel feature rows */
.feature{display:grid;grid-template-columns:.9fr 1.4fr;gap:48px;align-items:center;padding:36px 0;border-top:1px solid var(--line)}
.feature:first-of-type{border-top:0}
.feature .lbl{display:inline-block;font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:.25rem .6rem;border-radius:5px;margin-bottom:.8rem;color:#fff;background:var(--c)}

/* Chapters */
.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.chapters{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:8px 0 40px}
.chap{border-radius:8px;padding:14px 14px 16px;background:#fff;border:1px solid var(--line);border-top:5px solid var(--c);font-size:.92rem}
.chap small{display:block;font-weight:600;color:var(--c);font-size:.75rem;letter-spacing:.08em}
.chap b{color:var(--navy);font-weight:600}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:40px;height:40px;border-radius:10px;background:var(--navy);color:#fff;font-family:"Inter Display",sans-serif;font-weight:800;margin-bottom:16px}
.field{display:inline-block;background:var(--input);border:1px solid var(--input-b);color:#1E3A8A;padding:0 .4rem;border-radius:4px;font-weight:600}

/* Privacy */
.privacy{background:var(--navy);color:#CBD5E1}
.privacy h2{color:#fff}
.privacy .kicker{color:var(--petrol-l)}.privacy .kicker::before{background:var(--petrol-l)}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:36px}
.pgrid div{border-top:2px solid rgba(125,211,200,.5);padding-top:18px}
.pgrid b{display:block;color:#fff;font-family:"Inter Display",sans-serif;font-size:1.1rem;margin-bottom:.35rem}
.pgrid span{font-size:.95rem}

/* FAQ */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:600;color:var(--navy);font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--petrol-d)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:.8rem 0 0;color:#475569}

/* Contact */
.contact{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:44px}
.mail{font-family:"Inter Display",sans-serif;font-weight:700;font-size:1.5rem;color:var(--navy);text-decoration:none}

/* Footer */
footer{background:#0F2236;color:#94A3B8;padding:48px 0;font-size:.92rem}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:center}
footer a{color:#CBD5E1;text-decoration:none;margin-left:20px}
footer a:hover{color:#fff}
footer .brand{color:#fff}

/* Legal pages */
.legal{max-width:780px;padding:64px 24px 96px;margin:0 auto}
.legal h1{font-size:2.4rem}
.legal h2{font-size:1.3rem;margin-top:2em}
.legal p,.legal li{color:#334155}

@media (max-width:960px){
  .hero .wrap,.panel-grid,.feature,.contact{grid-template-columns:1fr}
  .stack{min-height:0;margin-bottom:30px}.stack .sheet{position:relative}.stack .pdf{width:34%;left:-6px;bottom:-30px}
  .strip .wrap,.pgrid{grid-template-columns:1fr 1fr}
  .chapters{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .panel{padding:26px}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:flex-start;background:#fff;padding:20px 24px;border-bottom:1px solid var(--line);gap:1rem}
  .nav.open{display:flex}
  .menu-btn{display:block}
  section{padding:68px 0}
  footer a{margin:0 16px 0 0}
}
@media (max-width:560px){
  .strip .wrap,.pgrid{grid-template-columns:1fr}
  .tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}.tab{padding:.7rem .75rem .6rem;font-size:.85rem;white-space:nowrap;flex:0 0 auto}
  .pages{grid-template-columns:repeat(3,1fr);gap:6px}
}