/* ============================================
   24a.solutions — Editorial Dark Design v5
   ============================================ */
:root{
  --wine:#6b0e12;
  --wine-bright:#8a1a1e;
  --wine-glow:rgba(107,14,18,.45);
  --ink:#0d0c0f;
  --ink-2:#17161c;
  --ink-3:#211f26;
  --cream:#f7f4ee;
  --text:#eceae6;
  --text-2:#b9b6b0;
  --text-3:#8b8880;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --serif:'Instrument Serif',Georgia,serif;
  --sans:'Inter',system-ui,sans-serif;
  --mono:'JetBrains Mono',monospace;
  --r:14px; --r-lg:22px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);background:var(--ink);color:var(--text-2);
  line-height:1.7;font-size:16px;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
.container{max-width:1200px;margin:0 auto;padding:0 36px}
img{max-width:100%;display:block}

/* ---------- Header (floating pill) ---------- */
header{position:fixed;top:16px;left:0;right:0;z-index:100;pointer-events:none}
.nav{
  pointer-events:auto;max-width:1200px;margin:0 auto;padding:12px 24px;
  display:flex;justify-content:space-between;align-items:center;
  background:rgba(23,22,28,.72);backdrop-filter:blur(20px) saturate(160%);
  -webkit-backdrop-filter:blur(20px) saturate(160%);
  border:1px solid var(--line);border-radius:100px;
  box-shadow:0 8px 32px rgba(0,0,0,.45);
}
.logo{display:flex;align-items:center;text-decoration:none}
.logo img{height:24px;display:block;border-radius:5px}
.nav-links{display:flex;gap:28px;list-style:none;align-items:center}
.nav-links a{color:var(--text-2);text-decoration:none;font-size:13.5px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--wine-bright)}
.nav-cta{
  background:linear-gradient(120deg,var(--wine),var(--wine-bright));
  color:#fff!important;padding:9px 20px;border-radius:100px;font-size:13px;font-weight:600;
  box-shadow:0 4px 20px var(--wine-glow);transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 28px var(--wine-glow)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:200px 0 0;min-height:100vh;display:flex;flex-direction:column;justify-content:flex-start}
.hero-bg{position:absolute;inset:0;overflow:hidden;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.40}
.hero-bg::before{content:'';position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(13,12,15,.55) 0%,rgba(13,12,15,.78) 55%,var(--ink) 100%)}
.hero-bg::after{content:'';position:absolute;inset:0;z-index:1;
  background:radial-gradient(ellipse 60% 50% at 25% 40%,rgba(107,14,18,.35),transparent 70%)}
.hero-inner{position:relative;z-index:2;max-width:900px}
.hero-eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:#d9a3aa;display:inline-flex;align-items:center;gap:10px;margin-bottom:34px;
}
.hero-eyebrow::before{content:'';width:32px;height:1px;background:linear-gradient(90deg,var(--wine-bright),transparent)}
.hero h1{
  font-family:var(--serif);font-weight:400;font-size:64px;line-height:1.08;
  letter-spacing:-.015em;color:var(--text);margin-bottom:30px;
}
.hero h1 em{font-style:italic;color:#d9a3aa}
.hero .sub{font-size:18.5px;color:var(--text-2);max-width:640px;margin-bottom:46px}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:100px;
  text-decoration:none;font-size:14.5px;font-weight:600;transition:all .25s ease;
}
.btn-primary{
  background:linear-gradient(120deg,var(--wine),var(--wine-bright));color:#fff;
  box-shadow:0 6px 30px var(--wine-glow),inset 0 1px 0 rgba(255,255,255,.18);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 40px var(--wine-glow)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--text);border:1px solid var(--line-strong)}
.btn-ghost:hover{border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.08)}

.hero-stats{
  position:relative;z-index:2;margin-top:96px;padding:36px 0 42px;
  border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
}
.hs b{font-family:var(--serif);font-weight:400;font-size:30px;color:var(--text);letter-spacing:-.01em;display:block;margin-bottom:4px}
.hs i{font-style:normal;font-size:13px;color:var(--text-3);line-height:1.5}

/* ---------- Section framework ---------- */
section{padding:120px 0;position:relative}
.band-alt{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kicker{
  font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--wine-bright);margin-bottom:22px;display:flex;align-items:center;gap:12px;
}
.kicker::before{content:'';width:32px;height:1px;background:var(--wine-bright)}
h2.section-title{
  font-family:var(--serif);font-weight:400;font-size:44px;letter-spacing:-.015em;
  line-height:1.15;color:var(--text);margin-bottom:20px;
}
.section-sub{font-size:17px;color:var(--text-3);max-width:640px;margin-bottom:70px}

/* ---------- Branch cards ---------- */
.branch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.branch-card{
  background:var(--ink-3);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform .3s ease,border-color .3s,box-shadow .3s;
}
.branch-card:hover{transform:translateY(-6px);border-color:rgba(138,26,30,.4);
  box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 0 1px rgba(138,26,30,.15)}
.branch-img{height:200px;overflow:hidden;position:relative}
.branch-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;filter:saturate(.85)}
.branch-card:hover .branch-img img{transform:scale(1.06)}
.branch-img::after{content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(23,22,28,.85) 100%)}
.branch-body{padding:28px 28px 30px}
.branch-body h3{font-size:19px;font-weight:600;color:var(--text);margin-bottom:6px;letter-spacing:-.01em}
.branch-body .scope{font-size:12.5px;color:var(--text-3);font-style:italic;margin-bottom:18px;font-family:var(--serif)}
.branch-body .pain{font-size:14px;color:var(--text-2);padding-bottom:20px;margin-bottom:20px;border-bottom:1px solid var(--line)}
.branch-body ul{list-style:none}
.branch-body ul li{font-size:13.5px;color:var(--text-2);padding:6px 0 6px 22px;position:relative}
.branch-body ul li::before{content:'';position:absolute;left:0;top:13px;width:9px;height:1.5px;background:var(--wine-bright)}

/* ---------- Principles ---------- */
.principle{
  display:grid;grid-template-columns:220px 1fr;gap:56px;padding:46px 0;
  border-bottom:1px solid var(--line);align-items:start;
}
.principle:last-child{border-bottom:none}
.p-num{font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;color:var(--wine-bright);padding-top:6px}
.principle h3{font-family:var(--serif);font-weight:400;font-size:26px;color:var(--text);margin-bottom:12px;letter-spacing:-.01em}
.principle p{font-size:15.5px;color:var(--text-2);max-width:740px}

/* ---------- Troubleshooting ---------- */
.ts-wrap{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line)}
.ts-bg{position:absolute;inset:0}
.ts-bg img{width:100%;height:100%;object-fit:cover;opacity:.28;filter:saturate(.7)}
.ts-bg::before{content:'';position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(13,12,15,.94) 0%,rgba(13,12,15,.75) 55%,rgba(107,14,18,.35) 100%)}
.ts-content{position:relative;z-index:2;padding:64px 60px;display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:start}
.ts-list{list-style:none;margin-top:8px}
.ts-list li{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.09);font-size:14.5px;color:#c9c6c0}
.ts-list li:last-child{border-bottom:none}
.ts-list li b{color:#fff;font-weight:600;display:block;margin-bottom:5px;font-size:15.5px}
.sla-box{
  background:rgba(255,255,255,.04);border:1px solid var(--line-strong);
  border-radius:var(--r-lg);padding:36px;backdrop-filter:blur(10px);
}
.sla-box h3{font-family:var(--serif);font-weight:400;font-size:24px;color:#fff;margin-bottom:20px;letter-spacing:-.01em}
.sla-row{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-top:1px solid var(--line);font-size:13.5px}
.sla-row span:first-child{color:var(--text-3)}
.sla-row span:last-child{color:#fff;font-weight:600;text-align:right}
.sla-box p{font-size:13.5px;color:var(--text-2)}
.sla-box .btn-primary{margin-top:20px}

/* ---------- Deploy-Varianten ---------- */
.deploy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:64px}
.deploy-card{
  background:var(--ink-3);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 30px;transition:all .25s;position:relative;
}
.deploy-card:hover{border-color:rgba(138,26,30,.4);transform:translateY(-4px)}
.deploy-card.featured-deploy{border-color:rgba(138,26,30,.5);background:linear-gradient(160deg,rgba(107,14,18,.15),rgba(33,31,38,.6))}
.deploy-tag{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--wine-bright);margin-bottom:14px;display:inline-block;
  border:1px solid rgba(138,26,30,.35);padding:4px 11px;border-radius:100px;background:rgba(107,14,18,.12);
}
.deploy-card h3{font-family:var(--serif);font-weight:400;font-size:26px;color:var(--text);margin-bottom:6px;letter-spacing:-.01em}
.deploy-sub{font-size:13.5px;color:var(--text-3);font-style:italic;font-family:var(--serif);margin-bottom:20px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.deploy-card ul{list-style:none}
.deploy-card ul li{font-size:13.5px;color:var(--text-2);padding:6px 0 6px 22px;position:relative}
.deploy-card ul li::before{content:'';position:absolute;left:0;top:13px;width:9px;height:1.5px;background:var(--wine-bright)}

/* ---------- OSS ---------- */
.oss-lead{max-width:800px;font-size:17px;color:var(--text-2);margin-bottom:64px}
.oss-lead strong{color:var(--text);font-weight:600}
.compare{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;margin-bottom:80px}
.cmp{padding:44px 40px}
.cmp.left{background:linear-gradient(150deg,rgba(107,14,18,.14),rgba(107,14,18,.03));border-right:1px solid var(--line)}
.cmp.right{background:var(--ink-3)}
.cmp-tag{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:14px}
.cmp.left .cmp-tag{color:var(--wine-bright)}
.cmp.right .cmp-tag{color:var(--text-3)}
.cmp h3{font-family:var(--serif);font-weight:400;font-size:28px;color:var(--text);margin-bottom:22px;letter-spacing:-.01em}
.cmp ul{list-style:none}
.cmp ul li{font-size:14px;color:var(--text-2);padding:9px 0 9px 28px;position:relative}
.cmp.left ul li::before{content:'+';position:absolute;left:0;top:8px;color:var(--wine-bright);font-family:var(--mono);font-weight:500;font-size:15px}
.cmp.right ul li::before{content:'−';position:absolute;left:0;top:8px;color:var(--text-3);font-family:var(--mono);font-size:15px}

.lifecycle{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:80px}
.lc-card{
  background:var(--ink-3);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:38px 32px;transition:border-color .25s, transform .25s;position:relative;overflow:hidden;
}
.lc-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--wine),transparent);opacity:.8}
.lc-card:hover{border-color:rgba(138,26,30,.35);transform:translateY(-4px)}
.lc-stage{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--wine-bright);margin-bottom:16px;display:block}
.lc-card h3{font-size:18px;font-weight:600;color:var(--text);margin-bottom:10px}
.lc-card p{font-size:14px;color:var(--text-2)}

.stack-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:44px;flex-wrap:wrap}
.stack-photo{flex:0 0 380px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);position:relative;aspect-ratio:4/3}
.stack-photo img{width:100%;height:100%;object-fit:cover;filter:saturate(.8) brightness(.9)}
.stack-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stack-item{
  background:var(--ink-3);border:1px solid var(--line);border-radius:var(--r);
  padding:24px 20px;transition:border-color .2s,background .2s;
}
.stack-item:hover{border-color:rgba(138,26,30,.35);background:var(--ink-2)}
.stack-item .s-name{font-size:14.5px;font-weight:600;color:var(--text);margin-bottom:4px}
.stack-item .s-lic{font-family:var(--mono);font-size:10.5px;color:var(--wine-bright);margin-bottom:8px;letter-spacing:.08em}
.stack-item .s-role{font-size:12.5px;color:var(--text-3)}

.oss-banner{
  margin-top:60px;border:1px solid rgba(138,26,30,.3);border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(107,14,18,.18),rgba(13,12,15,.4));
  padding:44px;display:grid;grid-template-columns:1.4fr .6fr;gap:40px;align-items:center;
}
.oss-banner h3{font-family:var(--serif);font-weight:400;font-size:27px;color:var(--text);margin-bottom:12px;letter-spacing:-.01em}
.oss-banner p{font-size:14.5px;color:var(--text-2)}
.oss-banner .banner-img{border-radius:var(--r);overflow:hidden;height:170px}
.oss-banner .banner-img img{width:100%;height:100%;object-fit:cover;opacity:.85}

/* ---------- Steps ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step-card{
  background:var(--ink-3);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
}
.step-card.featured{border-color:rgba(138,26,30,.45);box-shadow:0 0 0 1px rgba(138,26,30,.2),0 20px 50px rgba(0,0,0,.35)}
.step-media{height:190px;position:relative;overflow:hidden}
.step-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.75)}
.step-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(23,22,28,.92) 100%)}
.step-media .s-num{
  position:absolute;bottom:14px;left:22px;z-index:2;font-family:var(--serif);font-style:italic;
  font-size:46px;color:#fff;line-height:1;text-shadow:0 4px 20px rgba(0,0,0,.6);
}
.step-body{padding:30px 28px 34px;display:flex;flex-direction:column;flex:1}
.step-body h3{font-size:19px;font-weight:600;color:var(--text);margin-bottom:6px;letter-spacing:-.01em}
.step-body .s-hint{font-family:var(--mono);font-size:12px;color:var(--wine-bright);margin-bottom:16px;letter-spacing:.04em}
.step-body p{font-size:14px;color:var(--text-2);margin-bottom:22px;flex:1}
.step-eq{background:rgba(107,14,18,.09);border-left:2px solid var(--wine-bright);border-radius:0 9px 9px 0;padding:15px 18px;font-size:13.5px;color:var(--text-2)}
.step-eq strong{color:var(--text);font-weight:600}

/* ---------- Region ---------- */
.region-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.region-card{
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--ink-3);
  position:relative;
}
.region-photo{height:220px;position:relative}
.region-photo img{width:100%;height:100%;object-fit:cover;filter:saturate(.85)}
.region-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,12,15,.1),rgba(23,22,28,.95) 100%)}
.region-body{padding:30px 32px 36px;margin-top:-56px;position:relative;z-index:2}
.region-body h3{font-family:var(--serif);font-weight:400;font-size:26px;color:#fff;margin-bottom:14px;letter-spacing:-.01em}
.region-body p{font-size:14.5px;color:var(--text-2);margin-bottom:22px}
.region-tags{display:flex;gap:10px;flex-wrap:wrap}
.region-tags span{
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;padding:6px 14px;
  border:1px solid var(--line-strong);border-radius:100px;color:var(--text-2);
  background:rgba(255,255,255,.03);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{padding:26px 0;display:flex;justify-content:space-between;align-items:center;cursor:pointer;user-select:none;gap:28px}
.faq-q h3{font-weight:500;font-size:17px;color:var(--text);letter-spacing:-.01em}
.faq-q .arrow{
  width:32px;height:32px;border:1px solid var(--line-strong);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--wine-bright);
  font-size:13px;transition:all .25s;flex-shrink:0;
}
.faq-item.open .arrow{transform:rotate(180deg);background:rgba(107,14,18,.15);border-color:rgba(138,26,30,.4)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:2px 52px 30px 0;font-size:15px;color:var(--text-2)}
.faq-a-inner ul{margin:12px 0 4px 18px}
.faq-a-inner li{margin-bottom:6px;font-size:14px}
.faq-a-inner strong{color:var(--text);font-weight:600}

/* ---------- Contact ---------- */
.contact-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;
  background:var(--ink-3);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.contact-photo{position:relative;min-height:520px}
.contact-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.85)}
.contact-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,12,15,.15),transparent 60%)}
.contact-body{padding:64px 60px}
.contact-body h2{font-family:var(--serif);font-weight:400;font-size:38px;color:var(--text);margin-bottom:16px;letter-spacing:-.015em;line-height:1.15}
.contact-body .sub{font-size:16px;color:var(--text-3);margin-bottom:36px}
.contact-points{list-style:none;margin-bottom:38px}
.contact-points li{display:flex;align-items:center;gap:14px;padding:9px 0;font-size:14.5px;color:var(--text-2)}
.cp-dot{width:7px;height:7px;border-radius:50%;background:var(--wine-bright);flex-shrink:0;box-shadow:0 0 12px var(--wine-glow)}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:14px 18px;background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:11px;font-size:14.5px;margin-bottom:13px;font-family:inherit;color:var(--text);
  transition:border-color .2s,background .2s;
}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--text-3)}
.form-row select{color:var(--text-2)}
.form-row select option{color:#222}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{outline:none;border-color:var(--wine-bright);background:rgba(255,255,255,.07)}
.form-row textarea{resize:vertical;min-height:96px}
.captcha-row{background:rgba(107,14,18,.08);border:1px solid rgba(138,26,30,.25);border-radius:11px;padding:16px;margin-bottom:14px}
.captcha-row label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.captcha-row input{margin-bottom:0;background:rgba(255,255,255,.06)}
.form-btn{
  width:100%;background:linear-gradient(120deg,var(--wine),var(--wine-bright));color:#fff;
  padding:16px;border:none;border-radius:11px;font-weight:600;font-size:14.5px;cursor:pointer;
  font-family:inherit;box-shadow:0 6px 24px var(--wine-glow);transition:transform .2s,box-shadow .2s;
}
.form-btn:hover{transform:translateY(-1px);box-shadow:0 10px 32px var(--wine-glow)}
.form-btn:disabled{opacity:.6;cursor:not-allowed}
.form-note{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.5}
.form-status{margin-top:14px;padding:14px;border-radius:9px;font-size:14px;display:none}
.form-status.ok{display:block;background:rgba(80,180,120,.12);border:1px solid rgba(80,180,120,.35);color:#a4d9b8}
.form-status.err{display:block;background:rgba(138,26,30,.12);border:1px solid rgba(138,26,30,.4);color:#d9a3aa}

footer{padding:48px 0;border-top:1px solid var(--line)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-note{color:var(--text-3);font-size:13px}
.footer-note a{color:var(--text-2);text-decoration:none}
.footer-note a:hover{color:var(--text)}
.footer-links{display:flex;gap:24px}
.footer-links a{color:var(--text-3);text-decoration:none;font-size:13px;transition:color .2s}
.footer-links a:hover{color:var(--text)}

@media(max-width:1020px){
  .nav-links{display:none}
  h1{font-size:38px!important}
  h2.section-title{font-size:30px!important}
  section{padding:80px 0}
  .hero{padding:150px 0 0;min-height:auto}
  .hero-stats{grid-template-columns:1fr 1fr;gap:24px;margin-top:60px}
  .branch-grid,.lifecycle,.steps-grid,.region-grid,.compare,.deploy-grid,.stack-grid{grid-template-columns:1fr 1fr}
  .ts-content,.oss-banner{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .cmp.left{border-right:none;border-bottom:1px solid var(--line)}
  .principle{grid-template-columns:1fr;gap:10px}
  .ts-content{padding:44px 30px}
  .contact-wrap{grid-template-columns:1fr}
  .contact-body{padding:44px 30px}
  .contact-photo{min-height:280px}
}
@media(max-width:640px){
  .branch-grid,.deploy-grid,.stack-grid,.lifecycle,.steps-grid,.region-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr}
}
/* S3-Schwerpunkt-Box */
.s3-box{
  border:1px solid rgba(138,26,30,.4);border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(107,14,18,.22),rgba(13,12,15,.5));
  padding:38px 40px;
}
.s3-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.s3-icon{font-size:26px}
.s3-box h3{font-family:var(--serif);font-weight:400;font-size:25px;color:var(--text);letter-spacing:-.01em}
.s3-box p{font-size:14.5px;color:var(--text-2);max-width:900px}

.infra-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:36px}
.oss-apps-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:10px}

/* ---------- UHH-artige Karten: Logo oben rechts (Design: dark + bordeaux) ---------- */

.infra-card,.oss-app{
  background:var(--ink-3);border:1px solid var(--line);border-radius:20px;
  padding:30px 30px 26px;transition:all .25s;display:flex;flex-direction:column;
}
.infra-card:hover,.oss-app:hover{border-color:rgba(138,26,30,.45);transform:translateY(-4px);box-shadow:0 18px 44px rgba(0,0,0,.45)}

.ic-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:16px}
.ic-title h3{font-size:17px;font-weight:600;color:var(--text);letter-spacing:-.01em;margin-bottom:3px}
.ic-sub{font-family:var(--serif);font-style:italic;font-size:13px;color:var(--text-3)}
.ic-logo{
  width:40px;height:40px;flex-shrink:0;object-fit:contain;
  filter:brightness(0) invert(1);opacity:.9;
}
.ic-logo[src$="twenty.png"]{filter:none;border-radius:8px;width:40px;height:40px}

.infra-card ul,.oss-app ul{list-style:none;margin-top:2px}
.infra-card ul li,.oss-app ul li{
  font-size:13.5px;color:var(--text-2);padding:5px 0 5px 20px;position:relative;line-height:1.55;
}
.infra-card ul li::before,.oss-app ul li::before{
  content:'';position:absolute;left:0;top:13px;width:9px;height:1.5px;background:var(--wine-bright);
}




/* ============================================
   MOBILE-OPTIMIERUNG (Desktop unangetastet)
   ============================================ */

/* ---------- Tablet <= 1020px ---------- */
@media(max-width:1020px){
  .nav{margin:0 16px;padding:10px 18px}
  .container{padding:0 22px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:22px}
  .hs b{font-size:22px}
  .hero h1{font-size:40px}
  .hero .sub{font-size:16.5px}
  .kicker{font-size:11px;letter-spacing:.14em}
  .branch-grid,.lifecycle,.steps-grid,.region-grid,.deploy-grid{grid-template-columns:1fr 1fr}
  .stack-grid{grid-template-columns:repeat(3,1fr)}
  .infra-grid{grid-template-columns:1fr 1fr}
  .oss-apps-grid{grid-template-columns:1fr}
  .stack-photo{flex:none;width:100%;max-width:480px}
  .s3-box{padding:30px 26px}
  .sla-box{padding:28px}
  .sla-row{flex-direction:column;gap:2px}
  .sla-row span:last-child{text-align:left}
  .ts-content{padding:40px 28px}
  .contact-body{padding:40px 30px}
  .cmp{padding:32px 26px}
  .oss-banner{padding:32px 26px}
  .oss-banner .banner-img{display:none}
  .principle{grid-template-columns:1fr;gap:8px;padding:34px 0}
  .region-body{margin-top:-40px;padding:24px 22px 28px}
  .lc-card{padding:30px 24px}
  .step-body{padding:24px 22px 28px}
  .branch-body{padding:24px 22px 26px}
}

/* ---------- Phablet <= 780px ---------- */
@media(max-width:780px){
  header{top:10px}
  .nav{padding:9px 14px}
  .nav-cta{padding:8px 14px;font-size:12px}
  .logo img{height:20px}
  .hero{padding:130px 0 0}
  .hero h1{font-size:32px}
  .hero-eyebrow{font-size:10.5px;letter-spacing:.12em;padding:5px 12px}
  .hero-ctas{flex-direction:column;width:100%}
  .hero-ctas .btn{width:100%;justify-content:center}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px;margin-top:48px;padding-top:28px}
  section{padding:64px 0}
  h2.section-title{font-size:26px}
  .section-sub{font-size:15px;margin-bottom:44px}
  .infra-grid,.branch-grid,.lifecycle,.steps-grid,.region-grid,.deploy-grid{grid-template-columns:1fr}
  .stack-grid{grid-template-columns:1fr 1fr}
  .ic-head{gap:12px}
  .ic-logo{width:34px;height:34px}
  .compare{grid-template-columns:1fr}
  .cmp.left{border-right:none;border-bottom:1px solid var(--line)}
  .contact-wrap{grid-template-columns:1fr}
  .contact-photo{min-height:240px}
  .stack-head{flex-direction:column;align-items:stretch}
  .oss-banner{grid-template-columns:1fr}
  .ts-content{grid-template-columns:1fr;gap:36px}
  .faq-q{padding:20px 0;gap:16px}
  .faq-q h3{font-size:15.5px}
  .faq-a-inner{padding-right:0}
  .hero-meta{gap:20px}
}

/* ---------- Phone <= 480px ---------- */
@media(max-width:480px){
  .container{padding:0 18px}
  .nav{margin:0 10px;padding:8px 12px;border-radius:100px}
  .logo img{height:18px}
  .nav-cta{padding:7px 12px;font-size:11.5px}
  .hero{padding:120px 0 0}
  .hero h1{font-size:27px;letter-spacing:-.01em}
  .hero .sub{font-size:15px;margin-bottom:36px}
  .hero-eyebrow{font-size:10px;letter-spacing:.1em}
  .hero-stats{grid-template-columns:1fr;gap:14px;margin-top:40px;padding-top:24px}
  .hs b{font-size:18px}
  .hs i{font-size:12px}
  section{padding:52px 0}
  h2.section-title{font-size:23px}
  .section-sub{font-size:14.5px;margin-bottom:36px}
  .kicker{font-size:10.5px}
  .branch-img,.region-photo,.step-media{height:160px}
  .infra-grid,.oss-apps-grid,.stack-grid{grid-template-columns:1fr}
  .infra-card,.oss-app{padding:24px 20px}
  .ic-title h3{font-size:15.5px}
  .ic-sub{font-size:12px}
  .infra-card ul li,.oss-app ul li{font-size:12.5px}
  .branch-body .pain{font-size:13px}
  .branch-body ul li{font-size:12.5px}
  .step-media .s-num{font-size:38px}
  .step-body .s-hint{font-size:10.5px}
  .step-eq{font-size:12.5px}
  .ts-list li{font-size:13px;padding:14px 0}
  .ts-list li b{font-size:14px}
  .sla-row{font-size:12.5px}
  .cmp{padding:26px 20px}
  .cmp ul li{font-size:13px}
  .s3-box{padding:24px 20px}
  .s3-box h3{font-size:20px}
  .s3-box p{font-size:13px}
  .oss-banner h3{font-size:21px}
  .oss-banner p{font-size:13px}
  .region-tags span{font-size:10px;padding:5px 11px}
  .contact-body{padding:32px 22px}
  .form-row input,.form-row textarea,.form-row select{font-size:14px;padding:12px 14px}
  .footer-inner{flex-direction:column;text-align:center;gap:10px}
  .footer-note{font-size:11.5px}
  .deploy-card h3{font-size:21px}
  .deploy-sub{font-size:12.5px}
}

/* ---------- Kleinstgeräte <= 360px ---------- */
@media(max-width:360px){
  .hero h1{font-size:24px}
  .nav-cta{display:none}
  .stack-grid{grid-template-columns:1fr}
}

/* ---------- Touch-Anpassungen ---------- */
@media(hover:none) and (pointer:coarse){
  .branch-card:hover,.oss-app:hover,.infra-card:hover,.lc-card:hover,.step-card:hover{transform:none;box-shadow:none}
  .faq-q{padding:24px 0}
  .arrow{width:38px;height:38px}
  .nav-links a{font-size:16px}
  .btn{padding:16px 28px}
}

/* ---------- Landscape-Handy ---------- */
@media(max-height:480px) and (orientation:landscape){
  .hero{padding:100px 0 60px}
  .hero h1{font-size:26px}
  .hero .sub{display:none}
  .hero-stats{display:none}
}