/* TIREKIS — Digital Portfolio | Stand 21.10.2026
   Keine externen Fonts, Libraries, Trackingdienste oder Cookies. */
:root {
  color-scheme: light;
  --navy:#11253e; --navy-deep:#0a182b; --ink:#1b2c40; --muted:#5d6c7b;
  --blue:#1557d2; --blue-soft:#e8f0ff; --line:#e2e8ef; --bg:#f6f8fb;
  --white:#fff; --mint:#beecd8; --container:1190px;
  --shadow:0 18px 55px rgba(19,40,70,.07);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.68 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}
body.menu-open{overflow:hidden}
::selection{background:#bfd3fd;color:#11253e}
a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}
a:focus-visible,button:focus-visible{outline:3px solid #77aaff;outline-offset:4px}
button{font:inherit}img,svg{display:block;max-width:100%}
.wrap{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
.skip-link{position:absolute;z-index:100;left:12px;top:-60px;padding:9px 18px;border-radius:8px;background:#fff;color:#111}
.skip-link:focus{top:10px}
.site-header{height:82px;position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(226,232,239,.94)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:25px}
.brand{display:inline-flex;align-items:center;gap:12px;white-space:nowrap;color:var(--navy)}
.brand:hover{color:var(--navy)}
.brand-mark{width:43px;height:43px;border-radius:13px;background:var(--navy);display:grid;place-items:center;box-shadow:0 7px 18px #0b2d5825}
.brand-mark svg{width:29px;height:29px}
.brand-name{font-weight:850;letter-spacing:.065em;font-size:20px;line-height:1.15}
.brand-sub{display:block;font-size:10px;letter-spacing:.19em;color:var(--muted);font-weight:750;margin-top:4px}
.main-nav{display:flex;align-items:center;gap:33px;margin-left:auto}
.main-nav a{font-size:13px;font-weight:750;color:#43536a;transition:color .2s;position:relative}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--blue)}
.main-nav a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-12px;height:2px;background:var(--blue)}
.header-action{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid #dce4ef;background:#fff;border-radius:11px;padding:11px 18px;color:var(--navy);font-weight:750;font-size:13px;white-space:nowrap;transition:transform .2s,box-shadow .2s}
.header-action:hover{color:var(--navy);transform:translateY(-2px);box-shadow:0 8px 20px #10243812}
.icon-arrow{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.mobile-menu-button{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--navy);align-items:center;justify-content:center;cursor:pointer}
.mobile-menu-button svg{width:21px;height:21px}
.hero{position:relative;overflow:hidden;padding:101px 0 105px;background:radial-gradient(ellipse at 83% 18%,#e6efff 0,transparent 31%),radial-gradient(ellipse at 7% 83%,#eef5f1 0,transparent 28%),#f8fafc}
.hero-layout{display:grid;grid-template-columns:1.07fr .93fr;gap:60px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:10px;letter-spacing:.18em;text-transform:uppercase;font-size:11px;font-weight:850;color:var(--blue);margin:0 0 20px}
.eyebrow::before{content:"";display:block;width:21px;height:2px;background:var(--blue)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(44px,5.7vw,76px);line-height:1.08;letter-spacing:-.06em;font-weight:800;color:var(--navy);margin:0 0 27px;max-width:770px}
h1 em,h2 em{font-style:normal;color:var(--blue)}
.hero-lead{font-size:18px;line-height:1.85;color:#536479;max-width:560px;margin-bottom:34px}
.hero-actions,.actions{display:flex;flex-wrap:wrap;gap:13px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:51px;padding:13px 20px;border-radius:10px;font-size:13px;font-weight:790;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 11px 27px #1f62d634}
.btn-primary:hover{background:#0e48b9;color:#fff;box-shadow:0 14px 32px #1f62d647}
.btn-secondary{background:#fff;color:var(--navy);border:1px solid #dce4ee}
.btn-secondary:hover{color:var(--navy);box-shadow:0 10px 25px #142f5311}
.hero-caption{font-size:12px;color:#8592a2;margin-top:38px;display:flex;gap:14px;align-items:center}
.hero-caption i{display:block;width:8px;height:8px;background:#3ba58a;border-radius:50%;box-shadow:0 0 0 5px #e2f6ef}
.hero-visual{position:relative;min-height:497px;display:flex;align-items:center;justify-content:center}
.visual-backdrop{position:absolute;inset:35px 0 20px 20px;border-radius:32px;background:linear-gradient(135deg,#102744,#0b192c 74%);overflow:hidden;box-shadow:0 37px 65px #152e4b30}
.visual-backdrop::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 20%,#326fca66,transparent 28%),linear-gradient(135deg,#ffffff08,transparent 42%)}
.visual-backdrop::after{content:"";position:absolute;width:360px;height:360px;right:-145px;bottom:-150px;border:1px solid #ffffff24;border-radius:50%;box-shadow:0 0 0 58px #ffffff07,0 0 0 116px #ffffff06}
.visual-top{position:absolute;top:79px;left:61px;right:40px;display:flex;justify-content:space-between;align-items:center;color:#d5e2f9;gap:15px;font-size:10px;letter-spacing:.22em;font-weight:750;z-index:2}
.visual-top span:last-child{color:#8fafdc}
.visual-title{position:absolute;top:120px;left:60px;right:30px;z-index:2;color:#fff;font-weight:750;font-size:27px;line-height:1.35;letter-spacing:-.035em;max-width:320px}
.visual-title small{color:#bcd0e9;font-size:13px;line-height:1.6;display:block;font-weight:400;letter-spacing:0;margin-top:8px}
.visual-network{position:absolute;top:240px;left:60px;right:38px;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:11px}
.visual-tile{border:1px solid #ffffff20;border-radius:13px;padding:17px 15px;min-height:90px;background:#ffffff11;backdrop-filter:blur(12px);color:#fff}
.visual-tile .v-title{font-size:15px;font-weight:790;letter-spacing:-.02em}
.visual-tile .v-desc{font-size:11px;color:#a6c2e0;margin-top:6px}
.visual-tile .v-dot{width:9px;height:9px;border-radius:50%;background:#bfe9d3;float:right;box-shadow:0 0 0 4px #bfe9d318}
.visual-vertical{position:absolute;right:-6px;top:50%;transform:translateY(-50%) rotate(90deg);color:#8298b3;letter-spacing:.32em;font-size:10px;font-weight:900}
.metrics-band{border-top:1px solid #e5ebf1;border-bottom:1px solid #e5ebf1;background:#fff}
.metrics-inner{display:grid;grid-template-columns:repeat(3,1fr);padding:27px 0;gap:20px}
.metric{display:flex;align-items:center;gap:15px;min-width:0}
.metric:not(:last-child){border-right:1px solid #e6eaf0}
.metric-icon{display:grid;place-items:center;background:#eef3fb;color:var(--blue);width:43px;height:43px;flex:0 0 43px;border-radius:12px}
.metric-icon svg{width:20px;height:20px}
.metric strong{display:block;color:var(--navy);font-size:14px;line-height:1.3}
.metric small{color:var(--muted);font-size:12px;line-height:1.4;display:block;margin-top:3px}
.section{padding:100px 0}
.section-white{background:#fff}
.section-head{display:flex;gap:25px;align-items:end;justify-content:space-between;margin-bottom:35px}
.section-head h2,.section-heading h2{font-size:clamp(30px,3.9vw,47px);letter-spacing:-.05em;line-height:1.17;color:var(--navy);margin:0 0 14px;max-width:760px}
.section-head p,.section-heading p{color:var(--muted);margin:0;max-width:640px;font-size:15px}
.text-link{display:inline-flex;align-items:center;gap:9px;font-weight:760;font-size:13px;color:var(--blue);white-space:nowrap}
.text-link:hover{gap:14px}
.project-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.project-card{display:flex;flex-direction:column;min-height:274px;padding:29px;border:1px solid #e4eaf1;border-radius:16px;background:#fff;transition:transform .22s,border-color .22s,box-shadow .22s}
.project-card:hover{transform:translateY(-5px);border-color:#c6d8f5;box-shadow:var(--shadow)}
.project-card.is-hidden{display:none}
.project-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:22px}
.project-symbol{height:51px;width:51px;border-radius:14px;background:var(--tile-bg,#e8f0ff);color:var(--tile-ink,#205ec5);display:grid;place-items:center;font-weight:860;font-size:21px;letter-spacing:-.06em;flex-shrink:0}
.project-symbol svg{width:26px;height:26px}
.project-type{font-size:10px;letter-spacing:.12em;font-weight:800;text-transform:uppercase;color:#8290a1}
.project-card h3{font-size:21px;letter-spacing:-.035em;color:var(--navy);line-height:1.3;margin:0 0 9px}
.project-card p{font-size:13px;line-height:1.75;color:var(--muted);margin:0 0 21px;flex:1}
.project-visit{font-size:12px;font-weight:780;color:var(--blue);display:flex;align-items:center;gap:9px}
.project-visit svg{width:15px;height:15px}
.filters{display:flex;gap:9px;flex-wrap:wrap;margin:-5px 0 29px}
.filter{border:1px solid #dae3ed;padding:9px 15px;color:#53647a;background:#fff;font-size:12px;font-weight:760;border-radius:100px;cursor:pointer;transition:background .2s,color .2s}
.filter:hover{border-color:#afc6f5;color:var(--blue)}
.filter[aria-pressed="true"]{color:#fff;background:var(--navy);border-color:var(--navy)}
.filter-count{color:#687b8e;font-size:12px;margin-top:18px}
.split-layout{display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:90px}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}
.feature{padding-top:22px;border-top:1px solid #dfe6ef}
.feature-number{display:block;color:var(--blue);font-size:11px;letter-spacing:.12em;font-weight:860;margin-bottom:8px}
.feature strong{display:block;font-size:16px;color:var(--navy);margin-bottom:8px}
.feature p{font-size:13px;line-height:1.7;color:var(--muted);margin:0}
.showcase-art{position:relative;min-height:432px;border-radius:25px;background:#e6edf7;padding:33px;overflow:hidden}
.showcase-art::before{content:"";position:absolute;width:320px;height:320px;border:1px solid #cad8eb;border-radius:50%;top:-80px;right:-130px;box-shadow:0 0 0 45px #eff3fc,0 0 0 91px #dfe9f7}
.showcase-panel{position:relative;margin:auto;background:var(--navy);border-radius:17px;color:#fff;padding:29px;min-height:360px;max-width:490px;box-shadow:0 24px 45px #102c5240}
.showcase-panel-head{font-size:11px;letter-spacing:.15em;color:#a2b8d4;text-transform:uppercase;border-bottom:1px solid #ffffff23;padding-bottom:17px}
.showcase-mono{font-size:clamp(60px,8vw,108px);font-weight:850;letter-spacing:-.085em;line-height:1.4;color:#fff}
.showcase-mono span{color:#92b8f9}
.showcase-panel p{max-width:290px;color:#a7bfd8;font-size:13px;line-height:1.8;margin:5px 0 0}
.showcase-stamp{position:absolute;bottom:24px;right:24px;border:1px solid #ffffff3a;border-radius:8px;padding:9px 11px;color:#b7cbe2;font-size:10px;letter-spacing:.14em}
.statement{position:relative;background:var(--navy);color:white;overflow:hidden;padding:76px 0}
.statement::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 45%,#396eb048,transparent 38%)}
.statement .wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px}
.statement h2{font-size:clamp(29px,3.8vw,45px);letter-spacing:-.04em;line-height:1.2;margin:0 0 12px;max-width:650px;color:white}
.statement p{color:#bccce0;max-width:620px;margin:0;font-size:14px}
.statement .btn{background:#fff;color:var(--navy);white-space:nowrap}
.statement .btn:hover{color:var(--navy)}
.site-footer{background:#091729;color:#aebdd0;padding:67px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:70px;padding-bottom:63px}
.site-footer .brand{color:#fff}
.site-footer .brand-mark{background:#fff}
.site-footer .brand-mark svg path{stroke:var(--navy)}
.site-footer .brand-sub{color:#8ca0b9}
.footer-about{max-width:340px;margin:20px 0 0;font-size:13px;line-height:1.85;color:#a3b4c7}
.site-footer h3{font-size:11px;text-transform:uppercase;letter-spacing:.17em;color:white;margin:8px 0 19px}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.site-footer li a{font-size:13px;color:#a6b6cb}.site-footer li a:hover{color:#fff}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;border-top:1px solid #ffffff1c;padding:24px 0;font-size:11px;color:#8698b0}
.footer-bottom-links{display:flex;gap:24px}.footer-bottom a{color:#a6b6cb}.footer-bottom a:hover{color:#fff}
.page-hero{background:radial-gradient(ellipse at 90% -20%,#e0ecff,transparent 44%),#f7f9fc;padding:84px 0 70px;border-bottom:1px solid #e5eaf0}
.page-hero h1{font-size:clamp(43px,5.2vw,67px);max-width:880px;margin-bottom:20px}
.page-hero p:not(.eyebrow){font-size:16px;max-width:740px;color:#5c6d81;margin:0;line-height:1.9}
.breadcrumb{font-size:12px;color:#7e8da1;margin-bottom:27px}
.breadcrumb a{color:#55657a}.breadcrumb span{padding:0 9px;color:#abb5c1}
.content-section{padding:76px 0 108px}
.page-intro{font-size:17px;line-height:1.9;max-width:830px;color:#53657b;margin-bottom:35px}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px}
.info-card{border:1px solid var(--line);border-radius:16px;background:#fff;padding:34px}
.info-card .num{display:block;color:var(--blue);font-weight:850;letter-spacing:.14em;font-size:11px;margin-bottom:18px}
.info-card h2,.info-card h3{font-size:23px;line-height:1.3;letter-spacing:-.04em;color:var(--navy);margin-bottom:12px}
.info-card p{font-size:14px;color:var(--muted);line-height:1.85;margin:0}
.address-layout{display:grid;grid-template-columns:1fr 1fr;gap:27px}
.address-card{padding:38px;background:var(--navy);color:#fff;border-radius:17px}
.address-card .eyebrow{color:#b7d2ff}.address-card .eyebrow::before{background:#b7d2ff}
.address-card h2{font-size:28px;color:#fff;letter-spacing:-.04em;margin-bottom:22px}
.address-card address{font-style:normal;color:#d1dcec;line-height:2;font-size:15px}
.note-card{padding:38px;border-radius:17px;background:#fff;border:1px solid var(--line)}
.note-card h2{font-size:24px;letter-spacing:-.035em;color:var(--navy)}
.note-card p{color:var(--muted);font-size:14px}
.legal-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:65px;align-items:start}
.legal-sidebar{position:sticky;top:112px;padding:21px;background:#fff;border-radius:14px;border:1px solid var(--line)}
.legal-sidebar strong{display:block;color:var(--navy);font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
.legal-sidebar a{display:block;color:#5d6d80;font-size:12px;padding:7px 0}.legal-sidebar a:hover{color:var(--blue)}
.legal-content{background:#fff;border:1px solid var(--line);border-radius:17px;padding:42px 48px;max-width:870px;overflow-wrap:anywhere}
.legal-content section+section{margin-top:39px;padding-top:33px;border-top:1px solid var(--line)}
.legal-content h2{color:var(--navy);font-size:23px;line-height:1.3;letter-spacing:-.035em;margin:0 0 16px}
.legal-content h3{color:var(--navy);font-size:16px;margin:22px 0 8px}
.legal-content p,.legal-content li{font-size:14px;line-height:1.86;color:#526274}
.legal-content p:last-child{margin-bottom:0}
.legal-content ul{padding-left:20px}
.legal-content a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.legal-content address{font-style:normal;color:var(--ink);line-height:1.9;font-size:15px}
.legal-note{border-left:3px solid #b4c9ef;padding:12px 17px;background:#f4f8ff;border-radius:0 8px 8px 0;font-size:13px;color:#4b5c73;margin:21px 0}
.legal-alert{border:1px solid #edcf96;background:#fff9ea;color:#74531c;padding:15px 17px;border-radius:9px;font-size:13px;line-height:1.75;margin:18px 0}
.legal-alert strong{color:#694a14}
.empty-message{padding:22px 0;font-size:14px;color:var(--muted)}
@media(max-width:1040px){.hero-layout{gap:30px}.hero-visual{min-height:450px}.visual-backdrop{inset:35px 0 15px 0}.visual-top{left:35px;top:76px}.visual-title{left:35px;top:115px}.visual-network{left:35px;right:24px;top:230px}.split-layout{gap:38px}.project-card{padding:23px}.footer-grid{gap:35px}}
@media(max-width:800px){.site-header{height:73px}.header-action{margin-left:auto}.mobile-menu-button{display:inline-flex}.main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;padding:16px 24px 28px;border-bottom:1px solid var(--line);box-shadow:0 22px 35px #132e4b18;flex-direction:column;align-items:stretch;gap:0}.main-nav.is-open{display:flex}.main-nav a{padding:12px 0;font-size:15px;border-bottom:1px solid #ecf0f5}.main-nav a[aria-current="page"]::after{display:none}.hero{padding:63px 0 78px}.hero-layout,.split-layout{grid-template-columns:1fr}.hero-visual{min-height:430px;margin-top:15px}.visual-backdrop{inset:14px 0 0}.visual-top{top:52px}.visual-title{top:95px}.visual-network{top:217px}.project-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section{padding:75px 0}.split-layout{gap:34px}.showcase-art{min-height:360px}.statement .wrap{align-items:start;flex-direction:column}.footer-grid{grid-template-columns:1.3fr 1fr;gap:42px}.footer-grid>div:first-child{grid-column:1/-1}.legal-layout{grid-template-columns:1fr;gap:22px}.legal-sidebar{position:static;display:flex;flex-wrap:wrap;gap:0 18px}.legal-sidebar strong{flex-basis:100%}.legal-content{padding:34px}.address-layout{grid-template-columns:1fr}.page-hero{padding:62px 0}}
@media(max-width:560px){.wrap{width:min(calc(100% - 32px),var(--container))}.brand-mark{width:39px;height:39px;border-radius:11px}.brand-name{font-size:17px}.brand-sub{font-size:8px}.header-action{display:none}.hero{padding:60px 0 58px}.hero-lead{font-size:16px}.hero-actions .btn{width:100%}.hero-caption{margin-top:25px}.hero-visual{min-height:392px}.visual-backdrop{border-radius:20px}.visual-title{font-size:24px;top:88px;left:23px}.visual-top{left:23px;right:18px;top:47px;font-size:9px}.visual-network{left:21px;right:19px;top:200px;gap:8px}.visual-tile{padding:13px 11px;min-height:80px}.visual-tile .v-title{font-size:12px}.visual-tile .v-desc{font-size:10px}.metrics-inner{grid-template-columns:1fr;padding:20px 0;gap:17px}.metric:not(:last-child){border-right:0;padding-bottom:14px;border-bottom:1px solid #ebeff4}.section{padding:64px 0}.section-head{align-items:start;flex-direction:column;gap:12px}.project-grid,.about-grid,.feature-list{grid-template-columns:1fr}.project-card{min-height:240px}.showcase-art{padding:18px}.showcase-panel{min-height:330px}.showcase-mono{font-size:72px}.footer-grid{grid-template-columns:1fr;gap:29px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{align-items:start;flex-direction:column}.footer-bottom-links{gap:18px;flex-wrap:wrap}.page-hero{padding:48px 0}.content-section{padding:52px 0 80px}.legal-content{padding:23px 20px}.legal-content h2{font-size:20px}.note-card,.address-card,.info-card{padding:26px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}