/* ==========================================================================
   LSG Mercury – Design System
   Monochrom. Gold ausschließlich als Akzent (<2% Fläche).
   Schrift: Jost, lokal gehostet.
   ========================================================================== */

:root{
  --ink:        #1d1d1f;
  --ink-2:      #6e6e73;
  --ink-3:      #86868b;
  --rule:       #d2d2d7;
  --rule-soft:  #e8e8ed;
  --bg:         #ffffff;
  --bg-2:       #f5f5f7;
  --gold:       #C9A84C;
  --gold-dark:  #9A7428;
  --maxw:       1080px;
  --gut:        clamp(24px, 5vw, 64px);
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; }

body{
  font-family:'Jost', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  font-weight:400;
  font-size:17px;
  line-height:1.6;
  color:var(--ink);
  background:var(--bg);
  letter-spacing:0.002em;
}

img{ display:block; max-width:100%; }

a{ color:var(--ink); text-decoration:none; }
a.link{ color:var(--gold-dark); border-bottom:1px solid rgba(201,168,76,.45); padding-bottom:1px; transition:border-color .2s; }
a.link:hover{ border-color:var(--gold-dark); }

::selection{ background:rgba(201,168,76,.22); }

/* ---------- Layout ------------------------------------------------------ */

.wrap{ max-width:var(--maxw); margin:0 auto; padding-left:var(--gut); padding-right:var(--gut); }
.sec{ padding:clamp(72px,11vw,140px) 0; }
.sec--gray{ background:var(--bg-2); }
.sec--tight{ padding:clamp(56px,8vw,96px) 0; }
.hr{ height:1px; background:var(--rule); border:0; }

/* ---------- Typografie -------------------------------------------------- */

.eyebrow{
  font-size:12px; font-weight:500; letter-spacing:.16em;
  text-transform:uppercase; color:var(--ink-3); margin-bottom:20px;
}

h1, .h1{
  font-size:clamp(40px,6.4vw,76px);
  font-weight:500; line-height:1.04; letter-spacing:-.03em;
}
h2, .h2{
  font-size:clamp(28px,4vw,46px);
  font-weight:500; line-height:1.1; letter-spacing:-.025em;
}
h3, .h3{
  font-size:19px; font-weight:500; line-height:1.3; letter-spacing:-.01em;
}

.lead{
  font-size:clamp(19px,2.1vw,26px);
  font-weight:300; line-height:1.42; letter-spacing:-.012em;
  max-width:34ch;
}
.lead--wide{ max-width:52ch; }

p{ max-width:64ch; }
.muted{ color:var(--ink-2); }
.small{ font-size:15px; line-height:1.65; color:var(--ink-2); }
.statement{
  font-size:clamp(22px,2.9vw,34px);
  font-weight:300; line-height:1.28; letter-spacing:-.02em; max-width:22ch;
}

/* ---------- Navigation -------------------------------------------------- */

nav{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--rule-soft);
}
.nav-in{
  max-width:var(--maxw); margin:0 auto; height:52px;
  padding:0 var(--gut);
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.nav-logo{ display:flex; align-items:baseline; gap:7px; }
.nav-logo b{ font-weight:600; letter-spacing:-.01em; font-size:17px; }
.nav-logo span{ font-weight:300; font-size:17px; color:var(--ink-2); letter-spacing:-.01em; }
.nav-links{ display:flex; gap:28px; list-style:none; }
.nav-links a{ font-size:13px; color:var(--ink-2); transition:color .18s; }
.nav-links a:hover{ color:var(--ink); }
.nav-cta{
  font-size:13px; padding:6px 15px; border-radius:980px;
  background:var(--ink); color:#fff !important;
}
.nav-cta:hover{ opacity:.85; }
.nav-back{ font-size:13px; color:var(--ink-2); }
.nav-back:hover{ color:var(--ink); }
.burger{ display:none; background:none; border:0; font-size:20px; color:var(--ink); cursor:pointer; }

/* ---------- Buttons ----------------------------------------------------- */

.btn{
  display:inline-block; font-size:16px; font-weight:400;
  padding:11px 22px; border-radius:980px; transition:opacity .18s, background .18s;
}
.btn-primary{ background:var(--ink); color:#fff; }
.btn-primary:hover{ opacity:.85; }
.btn-ghost{ color:var(--gold-dark); border:1px solid var(--rule); }
.btn-ghost:hover{ border-color:var(--gold); }
.actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top:34px; }

/* ---------- Bilder ------------------------------------------------------ */

.bleed{ width:100%; overflow:hidden; background:var(--bg-2); }
.bleed img{
  width:100%; height:clamp(260px,42vw,560px); object-fit:cover;
  filter:grayscale(1) contrast(1.04);
}
.bleed--soft img{ filter:grayscale(.82) contrast(1.02); }
figcaption{
  max-width:var(--maxw); margin:14px auto 0; padding:0 var(--gut);
  font-size:12px; letter-spacing:.05em; color:var(--ink-3);
}

/* ---------- Raster ------------------------------------------------------ */

.grid{ display:grid; gap:clamp(32px,4vw,52px) clamp(24px,3.4vw,44px); }
.g2{ grid-template-columns:repeat(2,1fr); }
.g3{ grid-template-columns:repeat(3,1fr); }
.cell h3{ margin-bottom:9px; }
.cell p{ font-size:15px; line-height:1.6; color:var(--ink-2); max-width:none; }

.split{ display:grid; grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr); gap:clamp(32px,6vw,80px); align-items:start; }

/* ---------- Schritte ---------------------------------------------------- */

.steps{ border-top:1px solid var(--rule); }
.step{
  display:grid; grid-template-columns:64px 1fr; gap:8px;
  padding:26px 0; border-bottom:1px solid var(--rule); align-items:start;
}
.step .n{ font-size:22px; font-weight:300; color:var(--ink-3); letter-spacing:-.02em; line-height:1.25; }
.step h3{ margin-bottom:7px; }
.step p{ font-size:15px; color:var(--ink-2); max-width:62ch; }

/* ---------- Vergleich --------------------------------------------------- */

.cmp{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(24px,3vw,40px); }
.cmp-col{ border-top:2px solid var(--rule); padding-top:22px; }
.cmp-col.is-us{ border-top-color:var(--gold); }
.cmp-label{ font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-3); margin-bottom:12px; }
.cmp-col h3{ margin-bottom:18px; }
.cmp-col ul{ list-style:none; }
.cmp-col li{
  font-size:14.5px; line-height:1.55; color:var(--ink-2);
  padding:9px 0 9px 20px; border-top:1px solid var(--rule-soft); position:relative;
}
.cmp-col li:first-child{ border-top:0; }
.cmp-col li::before{ content:'–'; position:absolute; left:0; color:var(--ink-3); }
.cmp-col.is-us li::before{ content:'+'; color:var(--gold-dark); }

/* ---------- Rechner ----------------------------------------------------- */

.calc{ display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(32px,5vw,64px); align-items:start; }
.calc-row{ padding:16px 0; border-bottom:1px solid var(--rule); }
.calc-row:first-child{ border-top:1px solid var(--rule); }
.calc-head{ display:flex; justify-content:space-between; align-items:baseline; font-size:15px; color:var(--ink-2); margin-bottom:10px; }
.calc-head strong{ font-size:17px; font-weight:500; color:var(--ink); }
input[type=range]{
  -webkit-appearance:none; appearance:none; width:100%; height:2px;
  background:var(--rule); border-radius:2px; outline:none;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none; width:20px; height:20px; border-radius:50%;
  background:#fff; border:1px solid var(--rule); box-shadow:0 1px 4px rgba(0,0,0,.14); cursor:pointer;
}
input[type=range]::-moz-range-thumb{
  width:20px; height:20px; border-radius:50%; background:#fff;
  border:1px solid var(--rule); box-shadow:0 1px 4px rgba(0,0,0,.14); cursor:pointer;
}
.calc-out{ border-top:1px solid var(--rule); padding-top:26px; }
.calc-out + .calc-out{ margin-top:30px; }
.calc-k{ font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-3); margin-bottom:8px; }
.calc-v{ font-size:clamp(38px,5.4vw,60px); font-weight:300; letter-spacing:-.03em; line-height:1; }
.calc-n{ font-size:14px; color:var(--ink-2); margin-top:10px; }

/* ---------- Kontakt / Footer -------------------------------------------- */

.contact-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:clamp(28px,4vw,56px); }
.kv .k{ font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-3); margin-bottom:10px; }
.kv .v{ font-size:16px; line-height:1.75; color:var(--ink-2); }

footer{ border-top:1px solid var(--rule); padding:36px 0 44px; }
.foot-in{
  max-width:var(--maxw); margin:0 auto; padding:0 var(--gut);
  display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap;
}
.foot-brand{ font-size:14px; }
.foot-brand b{ font-weight:600; }
.foot-brand span{ font-weight:300; color:var(--ink-2); }
.foot-links{ display:flex; gap:22px; list-style:none; }
.foot-links a{ font-size:13px; color:var(--ink-3); }
.foot-links a:hover{ color:var(--ink); }

/* ---------- Inhaltsseiten (Recht, FAQ) ---------------------------------- */

.page-hero{ padding:clamp(56px,8vw,96px) 0 clamp(32px,4vw,48px); border-bottom:1px solid var(--rule); }
.content{ max-width:760px; margin:0 auto; padding:clamp(48px,7vw,88px) var(--gut) clamp(72px,10vw,120px); }
.content h2{
  font-size:22px; font-weight:500; letter-spacing:-.012em;
  margin:52px 0 14px; padding-bottom:11px; border-bottom:1px solid var(--rule);
}
.content h2:first-child{ margin-top:0; }
.content p{ font-size:16px; color:var(--ink-2); line-height:1.72; margin-bottom:12px; max-width:none; }
.content a{ color:var(--gold-dark); border-bottom:1px solid rgba(201,168,76,.4); }
.content ul{ list-style:none; margin:12px 0; }
.content ul li{
  font-size:16px; color:var(--ink-2); line-height:1.72;
  padding:5px 0 5px 20px; position:relative;
}
.content ul li::before{ content:'·'; position:absolute; left:4px; color:var(--ink-3); }
.highlight, .green-box{
  background:var(--bg-2); border-left:2px solid var(--rule);
  padding:18px 22px; margin:22px 0; border-radius:0 4px 4px 0;
}
.green-box{ border-left-color:var(--gold); }
.highlight p, .green-box p{ margin:0; font-size:15px; }
.legal-note{
  font-size:13px; color:var(--ink-3); margin-top:52px;
  padding-top:22px; border-top:1px solid var(--rule);
}
.milestone-grid{ margin:24px 0; border-top:1px solid var(--rule); }
.ms-row{ display:grid; grid-template-columns:1fr 2.4fr 1fr; gap:16px; padding:13px 0; border-bottom:1px solid var(--rule); }
.ms-row.ms-header .ms-cell{ font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-3); }
.ms-cell{ font-size:15px; color:var(--ink-2); }

/* ---------- Reveal ------------------------------------------------------ */

.reveal{ opacity:0; transform:translateY(14px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
}

/* ---------- Responsive -------------------------------------------------- */

@media (max-width:900px){
  .g3, .cmp{ grid-template-columns:1fr 1fr; }
  .split, .calc{ grid-template-columns:1fr; }
}
@media (max-width:720px){
  body{ font-size:16px; }
  .nav-links{ display:none; }
  .burger{ display:block; }
  .nav-links.open{
    display:flex; position:absolute; top:52px; left:0; right:0;
    flex-direction:column; gap:0; background:#fff;
    border-bottom:1px solid var(--rule); padding:8px var(--gut) 16px;
  }
  .nav-links.open li{ padding:11px 0; border-bottom:1px solid var(--rule-soft); }
  .nav-links.open a{ font-size:16px; color:var(--ink); }
  .g2, .g3, .cmp, .contact-grid{ grid-template-columns:1fr; }
  .lead{ max-width:none; }
  .step{ grid-template-columns:44px 1fr; }
  .ms-row{ grid-template-columns:1fr; gap:4px; }
  .foot-in{ flex-direction:column; align-items:flex-start; }
}

/* ---------- Akkordeon (native details/summary) --------------------------- */

.acc{ border-top:1px solid var(--rule); }
.acc details{ border-bottom:1px solid var(--rule); }
.acc summary{
  list-style:none; cursor:pointer; padding:20px 40px 20px 0; position:relative;
  font-size:17px; font-weight:400; letter-spacing:-.01em; color:var(--ink);
}
.acc summary::-webkit-details-marker{ display:none; }
.acc summary::after{
  content:''; position:absolute; right:6px; top:50%; width:9px; height:9px;
  border-right:1.5px solid var(--ink-3); border-bottom:1.5px solid var(--ink-3);
  transform:translateY(-70%) rotate(45deg); transition:transform .22s ease;
}
.acc details[open] summary::after{ transform:translateY(-30%) rotate(-135deg); }
.acc summary:hover{ color:var(--gold-dark); }
.acc .ans{ padding:0 40px 24px 0; }
.acc .ans p{ font-size:15.5px; line-height:1.68; color:var(--ink-2); max-width:70ch; }
.acc .ans p + p{ margin-top:12px; }
.acc .ans a{ color:var(--gold-dark); border-bottom:1px solid rgba(201,168,76,.4); }

/* ---------- Kennzahlen --------------------------------------------------- */

.stats{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(28px,4vw,48px); }
.stat{ border-top:1px solid var(--rule); padding-top:20px; }
.stat .num{ font-size:clamp(44px,6vw,72px); font-weight:300; letter-spacing:-.04em; line-height:1; }
.stat .num em{ font-style:normal; font-size:.42em; color:var(--ink-3); margin-left:4px; letter-spacing:0; }
.stat p{ font-size:14.5px; color:var(--ink-2); line-height:1.55; margin-top:14px; max-width:none; }

/* ---------- Tabelle ------------------------------------------------------ */

.tbl{ width:100%; border-collapse:collapse; }
.tbl th{
  text-align:left; font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--ink-3); font-weight:500; padding:0 16px 12px 0; border-bottom:1px solid var(--rule);
}
.tbl td{
  font-size:15px; color:var(--ink-2); padding:15px 16px 15px 0;
  border-bottom:1px solid var(--rule-soft); vertical-align:top; line-height:1.55;
}
.tbl td:first-child{ color:var(--ink); }

/* ---------- Formel ------------------------------------------------------- */

.formula{ display:flex; align-items:stretch; gap:14px; flex-wrap:wrap; }
.fpart{ flex:1 1 160px; border-top:1px solid var(--rule); padding-top:16px; }
.fpart .v{ font-size:19px; font-weight:400; letter-spacing:-.01em; }
.fpart .l{ font-size:13px; color:var(--ink-3); margin-top:7px; }
.fop{ align-self:center; font-size:22px; font-weight:300; color:var(--ink-3); padding-top:16px; }
.fpart.is-total{ border-top-color:var(--gold); }

@media (max-width:900px){ .stats{ grid-template-columns:1fr; } }
@media (max-width:720px){
  .tbl thead{ display:none; }
  .tbl tr{ display:block; border-bottom:1px solid var(--rule); padding:14px 0; }
  .tbl td{ display:block; border:0; padding:2px 0; }
  .tbl td:first-child{ font-weight:500; }
  .formula{ flex-direction:column; }
  .fop{ padding-top:0; }
}