:root{--bg:#071117;--panel:#0d171d;--panel2:#111d24;--line:#3b4e58;--text:#e9f0f3;--muted:#9eb1bb;--accent:#2db8ff;--accent2:#6de1ff;--shadow:0 18px 40px rgba(0,0,0,.45)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--text);background:radial-gradient(circle at 50% 0,#123444 0,transparent 30%),linear-gradient(180deg,#071117 0,#030608 100%)}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
body::before{content:'';position:fixed;inset:0;pointer-events:none;background:repeating-linear-gradient(90deg,transparent 0 130px,rgba(255,255,255,.02) 130px 132px,transparent 132px 260px),repeating-linear-gradient(0deg,transparent 0 110px,rgba(255,255,255,.02) 110px 112px,transparent 112px 220px);opacity:.35}
.shell{width:min(1460px,calc(100% - 24px));margin:0 auto;padding:12px 0 30px;position:relative}
.panel{position:relative;background:linear-gradient(180deg,rgba(25,39,47,.96),rgba(7,12,15,.98));border:2px solid var(--line);box-shadow:inset 0 0 0 2px rgba(255,255,255,.03), inset 0 0 40px rgba(0,0,0,.4), var(--shadow);margin-bottom:14px;overflow:hidden}
.panel::before,.panel::after{content:'';position:absolute;width:12px;height:12px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#bfcbd2 0 20%,#576771 22% 48%,#0f1519 50% 100%);top:10px;box-shadow:0 0 0 2px rgba(0,0,0,.5)}.panel::before{left:10px}.panel::after{right:10px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 18px;background:linear-gradient(180deg,#18252c,#081015);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:12px}.brand img{height:50px}.brand span{font:700 24px 'Barlow Condensed',Arial,sans-serif;letter-spacing:.08em}
.main-nav{display:flex;gap:20px;flex-wrap:wrap}.main-nav a{font:600 15px 'Barlow Condensed',Arial,sans-serif;letter-spacing:.12em;color:#d7e3e9}.main-nav a:hover{color:white}
.languages{display:flex;gap:6px}.languages button,.menu-toggle{background:#0b151a;border:1px solid #45606b;color:#ddecf3;border-radius:8px;padding:8px 10px;cursor:pointer}.languages button.active{background:#15313e;color:#fff;border-color:#76b7d1}.menu-toggle{display:none}
.hero{display:grid;grid-template-columns:1.1fr .9fr;min-height:560px;background:linear-gradient(90deg,rgba(0,0,0,.45),rgba(0,0,0,.15)), radial-gradient(circle at 70% 40%, rgba(31,131,173,.22), transparent 35%), linear-gradient(180deg,#0b161c,#071015)}
.hero::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,.55),transparent 12%,transparent 88%,rgba(0,0,0,.55))}
.hero-copy{padding:72px 48px 48px;z-index:1}.eyebrow{margin:0 0 10px;font:600 13px 'Barlow Condensed',Arial,sans-serif;letter-spacing:.24em;color:var(--accent2);text-transform:uppercase}.hero h1{font:800 clamp(54px,8vw,110px) 'Barlow Condensed',Arial,sans-serif;line-height:.9;margin:0 0 12px;text-transform:uppercase}.hero h1 em{font-style:normal;color:var(--accent2)}.hero p.lead{max-width:620px;color:#d8e6eb;font-size:18px;line-height:1.65;margin:0 0 24px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:10px;border:1px solid #5187a0;font:700 14px 'Barlow Condensed',Arial,sans-serif;letter-spacing:.1em;text-transform:uppercase}.button.primary{background:linear-gradient(180deg,#1d8fcb,#135f87);border-color:#66caf5}.button.secondary,.button.ghost{background:rgba(11,21,26,.7)}.button.small{padding:10px 14px;font-size:13px}
.hero-visual{position:relative;display:grid;place-items:center;padding:40px 40px 60px;z-index:1}.hero-visual::before{content:'';position:absolute;inset:30px;border:22px solid #1d2a31;border-radius:50%;box-shadow:inset 0 0 0 4px #6f818a,inset 0 0 0 10px #0a1014,0 0 0 3px #000;opacity:.95}.hero-visual::after{content:'';position:absolute;inset:70px;border-radius:50%;background:radial-gradient(circle at 50% 45%,rgba(30,135,181,.55),rgba(3,8,10,.45) 58%,rgba(2,5,7,.85) 80%)}.hero-visual img{position:relative;z-index:1;max-height:420px;object-fit:contain;filter:drop-shadow(0 20px 40px rgba(0,0,0,.6))}
.note{margin-top:10px;color:#a8bbc4;font-size:13px}
.section-head{padding:26px 26px 6px}.section-head h2{margin:0;font:800 clamp(34px,5vw,56px) 'Barlow Condensed',Arial,sans-serif;letter-spacing:.04em;text-transform:uppercase}.section-head p{margin:12px 0 0;color:#d6e1e6;line-height:1.75}
.product-grid{padding:10px 22px 24px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.product-card{background:linear-gradient(180deg,#1a272e,#0a1014);border:1px solid #41545e;box-shadow:inset 0 0 0 2px rgba(255,255,255,.03);overflow:hidden}.product-image{background:radial-gradient(circle at 50% 40%,#143140,#05090b 66%);aspect-ratio:1/1;display:grid;place-items:center;padding:10px}.product-image img{max-height:240px;width:auto}.product-body{padding:14px}.family{display:inline-block;margin-bottom:6px;color:#84d6ff;font:700 12px 'Barlow Condensed',Arial,sans-serif;letter-spacing:.18em;text-transform:uppercase}.product-card h3{margin:0 0 8px;font-size:20px}.price{margin:0 0 14px;color:#d9e7ec;font-weight:600}.actions{display:flex;gap:8px;flex-wrap:wrap}
.sub-section{padding:0 24px 26px}.text-block{padding:0 2px 10px;max-width:1120px}.text-block p{color:#d5e2e7;line-height:1.86;margin:0 0 18px;font-size:17px}
.helium-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:center}.diagram{position:relative;min-height:320px;background:radial-gradient(circle at 18% 45%,rgba(24,144,198,.16),transparent 30%),linear-gradient(180deg,#0f181d,#06090b);border:2px solid #40535c;overflow:hidden}.case-wall{position:absolute;left:22px;top:50%;transform:translateY(-50%);width:58%;height:160px;background:linear-gradient(180deg,#788992,#2a353b);border:2px solid #95a5ad}.case-wall::after{content:'';position:absolute;right:-88px;top:32px;width:120px;height:96px;background:linear-gradient(180deg,#b1bcc2,#4d5a61);border:2px solid #98a8b0;border-left:0;border-radius:0 52px 52px 0}.spring{position:absolute;right:90px;top:50%;width:76px;height:28px;transform:translateY(-50%);border-top:5px solid #dae4e8;border-bottom:5px solid #dae4e8;background:repeating-linear-gradient(90deg,transparent 0 6px,#dae4e8 6px 10px)}.piston{position:absolute;right:158px;top:50%;transform:translateY(-50%);width:70px;height:40px;background:linear-gradient(180deg,#c5d0d6,#728089);border:2px solid #8e9aa1}.seal{position:absolute;right:240px;top:50%;transform:translateY(-50%);width:12px;height:80px;background:#0a0f12;border:1px solid #6c7c84}.flush-cap{position:absolute;right:42px;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;background:radial-gradient(circle,#dbe4e8 0,#7c8b93 45%,#313c42 70%,#0b1012 100%);border:2px solid #aebbc1}.gas-left,.gas-right{position:absolute;display:flex;gap:8px;flex-wrap:wrap;width:160px}.gas-left{left:36px;top:70px}.gas-right{right:24px;top:70px}.gas-left i,.gas-right i{width:10px;height:10px;border-radius:50%;background:#4cc7ff;box-shadow:0 0 10px #4cc7ff;animation:float 2.4s infinite ease-in-out}.gas-right i{animation-name:floatOut}.gas-left i:nth-child(2),.gas-right i:nth-child(2){animation-delay:.4s}.gas-left i:nth-child(3),.gas-right i:nth-child(3){animation-delay:.8s}.gas-left i:nth-child(4),.gas-right i:nth-child(4){animation-delay:1.2s}.flow{position:absolute;right:140px;top:50%;transform:translateY(-50%);display:flex;gap:10px;color:#6de1ff;font-size:30px;letter-spacing:4px;animation:pulse 1.5s infinite}.diagram .label{position:absolute;font:700 12px 'Barlow Condensed',Arial,sans-serif;letter-spacing:.16em;color:#d9e7ed;text-transform:uppercase}.label.cap{right:26px;bottom:24px}.label.inner{left:28px;bottom:24px}.label.pressure{right:106px;top:32px}
@keyframes float{0%,100%{transform:translate(0,0);opacity:.7}50%{transform:translate(10px,-12px);opacity:1}}@keyframes floatOut{0%,100%{transform:translate(0,0);opacity:.7}50%{transform:translate(14px,-10px);opacity:1}}@keyframes pulse{0%,100%{opacity:.4}50%{opacity:1}}
.mission-grid{padding:0 22px 24px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mission-card{background:#0a1014;border:1px solid #41545e;overflow:hidden}.mission-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.mission-card.wide{grid-column:span 2}.mission-card figcaption{padding:10px 12px;color:#d7e4ea;font-size:14px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:0 22px 22px}.info-box{background:#0a1014;border:1px solid #41545e;padding:18px}.info-box h3{margin:0 0 14px;font:700 26px 'Barlow Condensed',Arial,sans-serif;letter-spacing:.06em;text-transform:uppercase}.info-box p,.info-box li{color:#d4e1e6;line-height:1.75;font-size:16px;margin:0 0 10px}.info-box ul{margin:0;padding-left:18px}
.footer{padding:20px 22px 24px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:16px;margin-bottom:18px}.footer-top img{height:48px}.footer-top nav{display:flex;gap:16px;flex-wrap:wrap}.footer-top nav a{font:600 14px 'Barlow Condensed',Arial,sans-serif;letter-spacing:.12em}.legal-accordions details{background:#0a1014;border:1px solid #41545e;padding:14px 16px;margin-bottom:12px}.legal-accordions summary{cursor:pointer;font:700 18px 'Barlow Condensed',Arial,sans-serif;letter-spacing:.08em;text-transform:uppercase}.legal-accordions p,.legal-accordions li{color:#d4e1e6;line-height:1.75}.legal-accordions ul{margin:0;padding-left:18px}.copy{color:#93a9b3;font-size:13px;margin-top:8px}
@media (max-width:1100px){.product-grid{grid-template-columns:repeat(3,1fr)}.helium-wrap{grid-template-columns:1fr}.mission-grid{grid-template-columns:repeat(2,1fr)}.contact-grid{grid-template-columns:1fr}}
@media (max-width:820px){.menu-toggle{display:inline-flex}.main-nav{display:none;position:absolute;top:76px;left:12px;right:12px;background:#071015;border:1px solid #41545e;padding:12px;flex-direction:column}.main-nav.open{display:flex}.hero{grid-template-columns:1fr}.hero-copy{padding:58px 26px 12px}.hero-visual{padding:12px 16px 30px}.hero-visual::before{inset:18px}.hero-visual::after{inset:50px}.product-grid{grid-template-columns:repeat(2,1fr)}.mission-grid{grid-template-columns:1fr}.mission-card.wide{grid-column:auto}.shell{width:calc(100% - 12px)}.topbar{padding:10px 12px}.brand img{height:42px}.brand span{font-size:20px}}
@media (max-width:560px){.languages{display:none}.product-grid{grid-template-columns:1fr}.hero h1{font-size:64px}.section-head h2{font-size:36px}.contact-grid{padding:0 14px 16px}.sub-section,.section-head,.product-grid,.mission-grid{padding-left:14px;padding-right:14px}}


/* ===== DEUTLICHES U-BOOT-INNENRAUM-DESIGN ===== */
body{padding:0 42px;background:
  radial-gradient(circle at 50% -5%,rgba(22,94,122,.8),transparent 28%),
  linear-gradient(90deg,#020405 0,#09151b 4%,#071016 96%,#020405 100%);
}
.submarine-frame{position:fixed;inset:0;pointer-events:none;z-index:-1;overflow:hidden}
.hull-rib{position:absolute;top:0;bottom:0;width:46px;background:linear-gradient(90deg,#010203,#4a5960 12%,#111a1e 27%,#050809 48%,#2f3c42 70%,#020304);border-left:2px solid #607078;border-right:3px solid #000;box-shadow:0 0 35px #000,inset 10px 0 14px rgba(255,255,255,.03)}
.hull-rib-left{left:0}.hull-rib-right{right:0;transform:scaleX(-1)}
.overhead-pipe{position:absolute;top:18px;height:28px;border:3px solid #65747b;background:linear-gradient(#75858c 0,#2b383e 38%,#071014 48%,#354249 72%,#111a1e 100%);box-shadow:0 7px 20px #000,inset 0 2px 0 rgba(255,255,255,.35)}
.overhead-pipe::before,.overhead-pipe::after{content:'';position:absolute;top:-10px;width:24px;height:42px;border:3px solid #78868c;background:#172228;box-shadow:inset 0 0 0 4px #05090b}
.pipe-a{left:2%;width:38%;transform:rotate(-1deg)}.pipe-b{right:2%;width:38%;transform:rotate(1deg)}.pipe-a::before,.pipe-b::before{left:18%}.pipe-a::after,.pipe-b::after{right:18%}
.ceiling-console{position:absolute;top:10px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:10px;padding:8px 18px;background:linear-gradient(#172126,#040708);border:2px solid #64737a;box-shadow:0 0 0 4px #010203,0 10px 22px #000}
.ceiling-console i{width:10px;height:10px;border-radius:50%;background:#7d1d0b;box-shadow:0 0 10px #ff3c17}.ceiling-console i:nth-child(2){background:#a16813;box-shadow:0 0 10px #ff9d22}.ceiling-console i:nth-child(3){background:#195e40;box-shadow:0 0 9px #2be796}.ceiling-console i:nth-child(4){background:#184e69;box-shadow:0 0 9px #38bcff}.ceiling-console span{font:700 11px 'Barlow Condensed',Arial,sans-serif;letter-spacing:.2em;color:#9db1ba}
.shell{padding-top:62px}
.panel{border:3px solid #4f6068;border-radius:4px;background:
 linear-gradient(90deg,rgba(255,255,255,.025),transparent 10%,transparent 90%,rgba(255,255,255,.02)),
 linear-gradient(180deg,#152229 0,#071014 55%,#030607 100%);
 box-shadow:inset 0 0 0 4px #020405,inset 0 0 0 6px rgba(115,137,147,.18),inset 0 -35px 70px rgba(0,0,0,.4),0 20px 60px #000;
}
.panel::before,.panel::after{width:14px;height:14px;top:9px;background:radial-gradient(circle at 32% 28%,#e0e6e8 0 8%,#6b7a81 22%,#252f34 52%,#020304 75%);box-shadow:0 0 0 2px #050809}
.topbar{border-radius:8px 8px 2px 2px;background:linear-gradient(#26343a 0,#121c20 45%,#040709 50%,#111b20 100%);box-shadow:inset 0 2px 0 rgba(255,255,255,.12),inset 0 -5px 0 #000,0 14px 36px #000}
.hero{margin-top:15px;border-radius:120px 120px 5px 5px;min-height:620px;border-width:5px;background:
 radial-gradient(circle at 72% 48%,rgba(8,105,149,.35),transparent 34%),
 repeating-linear-gradient(90deg,#0b151a 0 112px,#1c2a30 114px 119px,#030607 121px 126px);
 box-shadow:inset 0 0 0 8px #050809,inset 0 0 0 13px #47565d,inset 0 0 100px #000,0 26px 72px #000}
.hero::before{content:'';position:absolute;left:24px;right:24px;top:18px;height:150px;border:18px solid #202e34;border-bottom:0;border-radius:110px 110px 0 0;box-shadow:inset 0 0 0 4px #6a7980,0 0 0 4px #020405;z-index:1;pointer-events:none}
.hero-copy{padding-top:120px}.hero-visual{padding-top:94px}.hero-visual::before{border-width:28px;box-shadow:inset 0 0 0 5px #839199,inset 0 0 0 13px #071014,0 0 0 4px #000,0 15px 30px #000}.hero-visual::after{background:radial-gradient(circle at 50% 45%,rgba(35,150,196,.62),rgba(2,8,11,.2) 57%,rgba(1,4,6,.86) 82%)}
.porthole-rim{position:absolute;inset:0;pointer-events:none}.porthole-rim::before,.porthole-rim::after{content:'';position:absolute;left:50%;transform:translateX(-50%);width:22px;height:22px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#e0e6e9 0 10%,#68777f 24%,#182126 55%,#010203 77%);box-shadow:0 0 0 3px #020304;z-index:4}.porthole-rim::before{top:38px}.porthole-rim::after{bottom:38px}
.depth-console{position:absolute;right:28px;bottom:28px;z-index:5;width:104px;height:104px;border-radius:50%;display:grid;place-content:center;text-align:center;background:radial-gradient(circle,#17242a 0,#05090b 64%,#000 100%);border:9px solid #2a373d;box-shadow:inset 0 0 0 3px #708089,0 0 0 3px #000,0 10px 20px #000}.depth-console strong{font:700 26px 'Barlow Condensed';line-height:.85}.depth-console small{color:#8ca0aa}.dial-needle{position:absolute;left:50%;bottom:50%;width:3px;height:36px;background:#ff4a2a;transform-origin:bottom;transform:rotate(48deg);box-shadow:0 0 6px #ff3a1d}.dial-needle::after{content:'';position:absolute;bottom:-6px;left:-4px;width:11px;height:11px;border-radius:50%;background:#e9eef0}
.bridge-label{position:absolute;left:50%;bottom:9px;transform:translateX(-50%);z-index:5;padding:7px 18px;border:1px solid #53656e;background:#05090b;font:700 11px 'Barlow Condensed';letter-spacing:.18em;color:#8ea5af}
.uboat-section{padding-top:18px}.uboat-section::after{content:'';position:absolute;left:20px;right:20px;top:55px;height:2px;background:linear-gradient(90deg,transparent,#4d6069 12%,#4d6069 88%,transparent)}
.bulkhead-title{position:absolute;top:12px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:9px;z-index:3;padding:5px 14px;background:#05090b;border:1px solid #53666f;color:#8fa6b0;font:700 11px 'Barlow Condensed';letter-spacing:.18em}.bulkhead-title span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;border:1px solid #70818a;color:#d6e0e5}.bulkhead-title b{font-weight:700}
.section-head{padding-top:58px}
.product-grid,.mission-grid,.contact-grid,.about-layout,.sub-section{position:relative;z-index:2}
.product-grid{background:linear-gradient(#030607,#0b1419);margin:0 18px 24px;padding:15px;border:2px solid #33464f;box-shadow:inset 0 0 0 4px #020405}
.product-card{position:relative;border:2px solid #455860;box-shadow:inset 0 0 0 2px #020405,0 9px 18px #000}.product-card::before,.product-card::after{content:'';position:absolute;top:6px;width:7px;height:7px;border-radius:50%;background:#6c7b82;box-shadow:inset 0 0 0 2px #050809;z-index:4}.product-card::before{left:6px}.product-card::after{right:6px}
.about-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:20px;padding:0 24px 28px}.about-copy{max-width:none;padding:0}.about-photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.instrument-photo{margin:0;background:#05090b;border:3px solid #465961;box-shadow:inset 0 0 0 3px #020405,0 12px 25px #000;position:relative}.instrument-photo::before,.instrument-photo::after{content:'';position:absolute;top:7px;width:8px;height:8px;border-radius:50%;background:#697a82;box-shadow:inset 0 0 0 2px #050708;z-index:2}.instrument-photo::before{left:7px}.instrument-photo::after{right:7px}.instrument-photo img{width:100%;height:310px;object-fit:cover}.instrument-photo figcaption{padding:12px 13px;display:flex;flex-direction:column;gap:4px}.instrument-photo figcaption b{font:700 20px 'Barlow Condensed';letter-spacing:.07em;text-transform:uppercase}.instrument-photo figcaption span{font-size:13px;color:#a9bbc4}
.diagram{border:3px solid #4b5f68;box-shadow:inset 0 0 0 4px #020405,inset 0 0 50px #000,0 12px 24px #000;background:radial-gradient(circle at 18% 45%,rgba(25,146,198,.25),transparent 32%),linear-gradient(180deg,#111e24,#030607)}
.mission-grid{margin:0 18px 24px;padding:12px;border:2px solid #354850;background:#030607;box-shadow:inset 0 0 0 4px #101a1f}.mission-card{border:2px solid #41555e;box-shadow:inset 0 0 0 2px #020405,0 8px 18px #000}
.info-box,.legal-accordions details{border:2px solid #41555d;box-shadow:inset 0 0 0 2px #020405}
.footer{border-top:6px solid #465861;background:linear-gradient(#17242a,#05090b)}
@media(max-width:1100px){.about-layout{grid-template-columns:1fr}.about-photo-grid{grid-template-columns:1fr 1fr}}
@media(max-width:820px){body{padding:0 8px}.hull-rib{width:10px}.overhead-pipe,.ceiling-console{display:none}.shell{padding-top:10px}.hero{border-radius:55px 55px 4px 4px;min-height:auto}.hero::before{height:80px;border-width:10px;border-radius:50px 50px 0 0}.hero-copy{padding-top:78px}.hero-visual{padding-top:25px}.bulkhead-title{position:relative;top:auto;left:auto;transform:none;margin:0 auto;width:max-content}.uboat-section::after{display:none}.section-head{padding-top:25px}.about-photo-grid{grid-template-columns:1fr}.instrument-photo img{height:auto}}

.mobile-languages{display:none;gap:6px;flex-wrap:wrap;padding-top:10px;border-top:1px solid rgba(255,255,255,.1)}
.mobile-languages button{background:#0b151a;border:1px solid #45606b;color:#ddecf3;border-radius:7px;padding:7px 10px;cursor:pointer}.mobile-languages button.active{background:#15313e;border-color:#76b7d1}
@media(max-width:820px){.mobile-languages{display:flex}.languages{display:none!important}}