:root{--navy:#0E3652;--blue:#4C96D1;--blue2:#4DAEE2;--red:#ED1E24;--orange:#FF5B2A;--ink:#0E3652;--muted:#5E7482;--soft:#F4F8FA;--line:#D9E6EC;--white:#fff;--radius:18px;--shadow:0 12px 34px rgba(14,54,82,.08)}
html{scroll-behavior:smooth}body{font-family:Aptos,Arial,sans-serif;color:var(--navy);font-size:17px;line-height:1.55;background:#fff}p{font-weight:400}h1,h2,h3{font-family:Aptos,Arial,sans-serif;color:var(--navy);font-weight:600;letter-spacing:-.035em;line-height:1.05}.shell{width:min(1220px,calc(100% - 40px));margin-inline:auto}.section{padding:76px 0}.section-soft{background:var(--soft)}.section-blue{background:#eef8fc}.section-dark{background:#17496a}.eyebrow{font-size:13px;line-height:1.3;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);font-weight:800;margin:0 0 14px}h1{font-size:clamp(42px,5.2vw,66px);max-width:850px}h2{font-size:clamp(32px,3.6vw,46px)}h3{font-size:23px;font-weight:650}.lead{font-size:clamp(18px,2vw,21px);line-height:1.5;color:var(--muted);max-width:760px}.button{border-radius:999px;padding:15px 24px;font-weight:750}.button-primary{background:var(--red);box-shadow:0 10px 28px rgba(237,30,36,.14)}.button-ghost{background:#fff;border-color:var(--line)}.text-link{color:var(--navy)}
.site-topbar{background:#2496c5;color:#fff;font-size:13px}.topbar-inner{min-height:31px}.site-header{position:sticky;top:0;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);backdrop-filter:none}.header-inner{min-height:82px;gap:24px}.header-brand{flex:0 0 170px}.aktie-logo{max-width:150px;max-height:62px}.primary-nav ul{gap:24px}.primary-nav a{font-size:15px;font-weight:650}.header-cta{padding:14px 22px!important}.brand-fallback{display:none!important}
.hero{padding:62px 0 52px;background:linear-gradient(90deg,#f7fbfd 0%,#fff 56%)}.hero-grid{grid-template-columns:1fr 1.04fr;gap:46px;align-items:center}.hero h1{font-size:clamp(44px,5.2vw,70px);font-weight:500;line-height:1.01;letter-spacing:-.048em}.hero .lead{margin-top:12px}.hero-proof{margin-top:28px}.hero-wheel-wrap{position:relative;min-height:515px;display:grid;place-items:center}.hero-wheel{position:relative;width:min(500px,100%);aspect-ratio:1/1;margin:auto}.hero-wheel::before,.hero-wheel::after{content:"";position:absolute;inset:86px;border:1px solid rgba(77,174,226,.25);border-radius:50%}.hero-wheel::after{inset:138px}.hero-wheel .wheel-center{width:154px;height:154px;left:50%;top:50%;border-radius:50%;padding:25px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 34px rgba(14,54,82,.07)}.hero-wheel .wheel-center .aktie-logo{max-width:116px;max-height:86px}.hero-wheel .discipline-tile{width:114px;height:82px;padding:10px;border-radius:15px;box-shadow:0 8px 24px rgba(14,54,82,.07);font-size:13px;gap:5px}.hero-wheel .discipline-icon{width:27px;height:27px}.hero-wheel .discipline-icon svg{width:25px;height:25px;stroke-width:1.7}.hero-wheel .slot-1{left:50%;top:0;transform:translateX(-50%)}.hero-wheel .slot-2{right:32px;top:68px}.hero-wheel .slot-3{right:0;top:205px}.hero-wheel .slot-4{right:48px;bottom:45px}.hero-wheel .slot-5{left:50%;bottom:0;transform:translateX(-50%)}.hero-wheel .slot-6{left:48px;bottom:45px}.hero-wheel .slot-7{left:0;top:205px}.hero-wheel .slot-8{left:32px;top:68px}.hero-wheel .slot-9{left:15px;top:145px}.hero-wheel .discipline-tile:hover{transform:translateY(-2px);border-color:var(--blue2)}.hero-wheel .slot-1:hover,.hero-wheel .slot-5:hover{transform:translateX(-50%) translateY(-2px)}
.discipline-summary{display:grid;grid-template-columns:1fr 1.8fr;gap:56px;align-items:start}.discipline-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.discipline-links a{border:1px solid var(--line);border-radius:999px;padding:10px 14px;text-decoration:none;font-size:14px;font-weight:650;background:#fff}.discipline-links a:hover{border-color:var(--blue2)}
.card-grid-4{grid-template-columns:repeat(4,1fr)}.info-card,.audience-card,.route-grid article,.business-card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;box-shadow:none}.info-card:hover,.audience-card:hover,.route-grid article:hover{box-shadow:var(--shadow);transform:translateY(-2px);transition:.2s ease}.audience-grid{grid-template-columns:repeat(4,1fr)}.audience-card>span{background:#eaf7fc;color:var(--navy)}.process-grid{gap:22px}.process-grid li{border-top:2px solid var(--blue2)}.route-grid{grid-template-columns:repeat(4,1fr)}.problem-list a{border-color:var(--line);padding:18px 20px}.region-card{border-color:var(--line);box-shadow:none}
.energy-feature{background:#174f6d;color:#fff}.energy-feature h2,.energy-feature h3,.energy-feature .eyebrow{color:#fff}.energy-feature .eyebrow{color:#7fd8ff}.energy-feature .lead,.energy-feature p{color:#fff}.energy-feature .feature-grid{align-items:center}.energy-flow{grid-template-columns:repeat(2,1fr)}.energy-flow a{min-height:92px;border-radius:15px;border:1px solid rgba(255,255,255,.22);display:flex;flex-direction:column;justify-content:center;padding:18px 20px;text-decoration:none;color:#fff;background:rgba(255,255,255,.05);font-weight:650}.energy-flow a strong{font-size:17px}.energy-flow a small{font-size:13px;font-weight:400;opacity:.9}.energy-flow a:hover{background:#fff;color:var(--navy)}
.tools-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.tool-entry{display:block;text-decoration:none;border:1px solid var(--line);border-radius:18px;background:#fff;padding:22px;min-height:185px;position:relative}.tool-entry:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.tool-entry .tool-number{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#eaf7fc;color:var(--navy);font-weight:800;margin-bottom:18px}.tool-entry h3{font-size:20px}.tool-entry p{color:var(--muted);font-size:15px}.tool-entry .arrow{position:absolute;right:18px;top:18px;color:var(--red);font-weight:800}
.page-hero{background:linear-gradient(90deg,#f7fbfd,#fff);padding:58px 0 48px}.page-hero h1{font-size:clamp(40px,4.8vw,62px);font-weight:500}.rich-page{font-family:Aptos,Arial,sans-serif}.rich-hero{padding:64px 0;background:linear-gradient(90deg,#f7fbfd,#fff 62%)}.rich-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}.rich-hero h1{font-size:clamp(42px,5vw,64px);font-weight:500;line-height:1.02;letter-spacing:-.045em}.rich-hero-panel{border:1px solid var(--line);border-radius:0 0 0 60px;background:linear-gradient(145deg,#dff4fb,#eff7fa 65%,#fff);padding:34px;min-height:310px;display:flex;flex-direction:column;justify-content:center}.trust-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:17px 0;font-size:14px;font-weight:650}.rich-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.rich-card{border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff}.rich-card p{color:var(--muted)}.rich-card a{text-decoration:none}.rich-number{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#eaf7fc;font-weight:800;margin-bottom:18px}.rich-split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}.rich-note{border-left:4px solid var(--orange);background:#fff7f3;padding:18px 20px;border-radius:0 12px 12px 0;color:#714532}.route-links{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.route-links a{border:1px solid var(--line);border-radius:18px;padding:22px;background:#fff;text-decoration:none;min-height:135px}.route-links a:hover{box-shadow:var(--shadow)}
.product-intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}.product-family-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.product-family-card{border:1px solid var(--line);border-radius:18px;background:#fff;padding:24px}.product-family-card h3{font-size:21px}.product-family-card p{color:var(--muted)}.spec-list{list-style:none;padding:0;margin:18px 0}.spec-list li{padding:10px 0;border-bottom:1px solid var(--line)}.product-cta{background:#eef9fd;border:1px solid var(--line);border-radius:22px;padding:32px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
.site-footer{background:#123f5c;padding-top:54px}.footer-grid{grid-template-columns:1.35fr repeat(6,1fr);gap:26px}.footer-brand h2{font-size:20px;font-weight:600}.footer-links a{font-size:14px}.footer-column h2{font-size:14px;letter-spacing:.01em}.footer-bottom{margin-top:38px}.footer-logo{max-width:135px;filter:none}.knowledge-bank-content{margin-top:42px}.knowledge-blocks{margin-top:42px}.knowledge-blocks .rich-grid{grid-template-columns:repeat(2,1fr)}
.aktie-tools{font-family:Aptos,Arial,sans-serif!important}.aktie-tools h2,.aktie-tools h3{font-weight:600!important}.aktie-tools .aktie-tool-card,.aktie-tools .tool-card{border-color:var(--line)!important;border-radius:18px!important}.aktie-tools button,.aktie-tools .button{border-radius:999px!important}
@media(max-width:1100px){.hero-grid,.rich-hero-grid,.discipline-summary,.product-intro-grid{grid-template-columns:1fr}.hero-wheel-wrap{min-height:520px}.audience-grid,.card-grid-4{grid-template-columns:repeat(2,1fr)}.tools-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.2fr repeat(3,1fr)}.product-family-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.shell{width:min(100% - 28px,1220px)}.section{padding:58px 0}.rich-split,.product-cta{grid-template-columns:1fr}.rich-grid,.route-links{grid-template-columns:1fr}.primary-nav{padding:18px}.site-topbar .topbar-inner span:first-child{display:none}.hero-wheel-wrap{min-height:430px}.hero-wheel{transform:scale(.83);transform-origin:center}.discipline-links{grid-template-columns:repeat(2,1fr)}.knowledge-blocks .rich-grid{grid-template-columns:1fr}}
@media(max-width:560px){body{font-size:16px}.hero h1,.rich-hero h1,.page-hero h1{font-size:42px}.hero-wheel-wrap{min-height:390px;margin-inline:-18px}.hero-wheel{transform:scale(.72)}.hero-wheel .discipline-tile{font-size:12px}.audience-grid,.card-grid-4,.tools-grid,.product-family-grid,.discipline-links{grid-template-columns:1fr}.energy-flow{grid-template-columns:1fr}.button-row .button{width:100%}.site-footer{padding-top:40px}}