:root{
  --bg:#070910;
  --bg-soft:#0d111c;
  --panel:rgba(17,22,35,.78);
  --panel-strong:#121827;
  --line:rgba(255,255,255,.09);
  --text:#f5f7fb;
  --muted:#aab3c5;
  --accent:#6ee7ff;
  --accent-2:#8b5cf6;
  --accent-3:#22c55e;
  --warning:#f59e0b;
  --shadow:0 22px 70px rgba(0,0,0,.42);
  --radius:24px;
  --shell:min(1180px, calc(100% - 36px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 10% 0%,rgba(107,114,255,.09),transparent 35%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit}
.shell{width:var(--shell);margin-inline:auto}
.ambient{position:fixed;z-index:-1;filter:blur(90px);opacity:.22;border-radius:50%;pointer-events:none}
.ambient-one{width:380px;height:380px;background:#00d4ff;right:-130px;top:15%}
.ambient-two{width:430px;height:430px;background:#7c3aed;left:-190px;top:52%}
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,9,16,.72);backdrop-filter:blur(18px);border-bottom:1px solid transparent;transition:.25s ease}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 12px 40px rgba(0,0,0,.22)}
.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.03em}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#05070d;font-size:.94rem;box-shadow:0 10px 28px rgba(110,231,255,.14)}
.brand-copy{display:flex;flex-direction:column;line-height:1.05}
.brand-copy strong{font-size:1.03rem}.brand-copy small{margin-top:5px;color:var(--muted);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav>a{padding:10px 14px;color:var(--muted);font-size:.93rem;border-radius:999px;transition:.2s ease}
.main-nav>a:hover,.main-nav>a.is-active{color:#fff;background:rgba(255,255,255,.06)}
.main-nav .nav-cta{color:#071018;background:linear-gradient(135deg,var(--accent),#b9f5ff);font-weight:800;padding-inline:18px}
.main-nav .nav-cta:hover{background:linear-gradient(135deg,#b9f5ff,var(--accent));color:#071018}
.nav-toggle{display:none;width:46px;height:42px;border:1px solid var(--line);background:rgba(255,255,255,.03);border-radius:12px;padding:10px;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:#fff;margin:5px 0;border-radius:99px}
.hero{padding:88px 0 64px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:8px 12px;border:1px solid rgba(110,231,255,.22);background:rgba(110,231,255,.06);border-radius:999px;color:#c8f8ff;font-size:.8rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 18px var(--accent)}
h1,h2,h3{line-height:1.1;letter-spacing:-.04em;margin-top:0}
h1{font-size:clamp(3rem,7vw,6.4rem);margin:20px 0 24px;max-width:900px}
h1 .gradient-text,h2 .gradient-text{background:linear-gradient(90deg,#fff 0%,#a9efff 45%,#a78bfa 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:clamp(1.05rem,2vw,1.28rem);color:var(--muted);max-width:720px;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 20px;border-radius:14px;border:1px solid var(--line);font-weight:800;transition:.2s ease}
.btn-primary{background:linear-gradient(135deg,var(--accent),#a7f3d0);color:#061015;border:0;box-shadow:0 14px 36px rgba(110,231,255,.14)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-secondary{background:rgba(255,255,255,.04)}
.btn-secondary:hover{background:rgba(255,255,255,.08)}
.hero-card{position:relative;padding:26px;border-radius:30px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));box-shadow:var(--shadow);overflow:hidden}
.hero-card::after{content:"";position:absolute;inset:auto -20% -40% 10%;height:220px;background:radial-gradient(circle,rgba(110,231,255,.16),transparent 65%)}
.device-stack{display:grid;gap:14px;position:relative;z-index:1}
.device-mini{border:1px solid var(--line);border-radius:18px;padding:16px;background:#0b101b;display:grid;grid-template-columns:70px 1fr auto;gap:14px;align-items:center}
.device-icon{height:46px;border-radius:9px;background:linear-gradient(145deg,#171e2c,#090d15);border:1px solid rgba(255,255,255,.12);position:relative;box-shadow:inset 0 0 0 4px rgba(255,255,255,.015)}
.device-icon::before{content:"";position:absolute;width:24px;height:12px;border-radius:3px;background:#a7f3d0;left:9px;top:9px;box-shadow:0 0 16px rgba(167,243,208,.25)}
.device-icon::after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:#94a3b8;right:10px;top:10px;box-shadow:0 14px 0 #94a3b8, -15px 14px 0 #94a3b8}
.device-mini strong{display:block;font-size:1rem}.device-mini span{color:var(--muted);font-size:.82rem}.device-mini time{font-weight:900;color:#c8f8ff;font-size:.9rem}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px;position:relative;z-index:1}
.stat{padding:16px;border-radius:16px;background:rgba(255,255,255,.035);border:1px solid var(--line)}
.stat strong{display:block;font-size:1.35rem}.stat span{font-size:.76rem;color:var(--muted)}
.section{padding:72px 0}.section-tight{padding:40px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:34px}
.section-head h2{font-size:clamp(2rem,4.5vw,3.7rem);margin-bottom:10px}.section-head p{max-width:640px;color:var(--muted);margin:0}
.kicker{color:var(--accent);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;margin-bottom:12px}
.timeline{position:relative;display:grid;gap:18px}.timeline::before{content:"";position:absolute;left:27px;top:24px;bottom:24px;width:1px;background:linear-gradient(var(--accent),var(--accent-2),transparent)}
.timeline-item{display:grid;grid-template-columns:56px 1fr;gap:20px;position:relative}
.timeline-dot{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:#0c1320;border:1px solid rgba(110,231,255,.28);font-weight:900;color:#d9fbff;z-index:1;box-shadow:0 10px 28px rgba(0,0,0,.25)}
.timeline-card{border:1px solid var(--line);background:var(--panel);border-radius:22px;padding:24px 26px;box-shadow:0 16px 46px rgba(0,0,0,.16)}
.timeline-card .year{font-size:.78rem;color:var(--accent);font-weight:900;letter-spacing:.08em;text-transform:uppercase}.timeline-card h3{font-size:1.45rem;margin:7px 0 9px}.timeline-card p{color:var(--muted);margin:0}.timeline-card .note{margin-top:14px;padding:12px 14px;border-radius:12px;background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.18);color:#f8d89b;font-size:.88rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature-card{padding:24px;border-radius:22px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));min-height:210px}
.feature-card .icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:rgba(110,231,255,.08);border:1px solid rgba(110,231,255,.16);font-size:1.1rem;margin-bottom:24px}.feature-card h3{font-size:1.16rem;margin-bottom:10px}.feature-card p{color:var(--muted);margin:0;font-size:.94rem}
.callout{padding:30px;border-radius:26px;background:linear-gradient(120deg,rgba(110,231,255,.10),rgba(139,92,246,.10));border:1px solid rgba(255,255,255,.11);display:grid;grid-template-columns:1fr auto;align-items:center;gap:22px}.callout h3{font-size:1.8rem;margin-bottom:8px}.callout p{margin:0;color:var(--muted)}
.page-hero{padding:74px 0 42px}.page-hero h1{font-size:clamp(2.8rem,6vw,5.2rem);max-width:980px}.page-hero p{font-size:1.12rem;color:var(--muted);max-width:760px}
.comparison-grid{display:grid;grid-template-columns:repeat(5,minmax(210px,1fr));gap:14px;overflow:auto;padding:4px 2px 12px;scrollbar-width:thin}
.product-card{min-width:210px;padding:20px;border-radius:22px;background:var(--panel);border:1px solid var(--line);position:relative}.product-card.is-featured{border-color:rgba(110,231,255,.35);box-shadow:0 12px 44px rgba(110,231,255,.08)}
.product-card .badge{position:absolute;top:14px;right:14px;padding:5px 8px;border-radius:999px;background:rgba(110,231,255,.1);color:#cbf9ff;border:1px solid rgba(110,231,255,.18);font-size:.68rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.product-card h3{font-size:1.25rem;margin:34px 0 8px}.product-card p{color:var(--muted);font-size:.88rem;min-height:64px}.mini-specs{display:grid;gap:8px;margin-top:18px}.mini-specs div{display:flex;justify-content:space-between;gap:14px;padding-top:8px;border-top:1px solid var(--line);font-size:.82rem}.mini-specs span{color:var(--muted)}.mini-specs strong{text-align:right}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:24px;background:rgba(8,12,20,.78);box-shadow:var(--shadow)}
.compare-table{width:100%;border-collapse:collapse;min-width:980px}.compare-table th,.compare-table td{padding:17px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.compare-table thead th{position:sticky;top:0;background:#111827;z-index:2;font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;color:#dce3ef}.compare-table tbody th{width:180px;color:#e9eef7;font-size:.9rem;background:rgba(255,255,255,.018)}.compare-table td{color:var(--muted);font-size:.9rem}.compare-table tr:last-child td,.compare-table tr:last-child th{border-bottom:0}.yes{color:#9ef0b6;font-weight:800}.partial{color:#f9d58a;font-weight:800}.no{color:#8d96a8}
.legend{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:.82rem;margin-top:12px}.legend b{font-weight:900}
.source-list{display:grid;gap:14px}.source{padding:20px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.028)}.source strong{display:block;margin-bottom:7px}.source p{margin:0 0 12px;color:var(--muted);font-size:.92rem}.source a{color:#b8f4ff;text-decoration:underline;text-decoration-color:rgba(184,244,255,.35);text-underline-offset:4px;word-break:break-word}
.info-box{padding:22px;border-radius:18px;border:1px solid rgba(245,158,11,.22);background:rgba(245,158,11,.07);color:#efd7a6}.info-box strong{color:#fff}.info-box p:last-child{margin-bottom:0}
.faq{display:grid;gap:12px}.faq details{border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.025);padding:0 18px}.faq summary{cursor:pointer;font-weight:800;padding:18px 4px;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq details p{margin:0 4px 18px;color:var(--muted)}
.site-footer{margin-top:50px;padding:48px 0 28px;border-top:1px solid var(--line);background:rgba(3,5,10,.55)}
.footer-grid{display:grid;grid-template-columns:1.5fr .7fr 1fr;gap:34px}.footer-grid>div{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.footer-grid p{color:var(--muted);font-size:.88rem;margin:0;max-width:450px}.footer-grid a:not(.brand){color:var(--muted);font-size:.88rem}.footer-grid a:hover{color:#fff}.footer-bottom{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:#7f899d;font-size:.76rem}.footer-brand{margin-bottom:10px}
.reveal{opacity:0;transform:translateY(18px);transition:.6s cubic-bezier(.2,.8,.2,1)}.reveal.visible{opacity:1;transform:none}
@media(max-width:980px){.hero-grid{grid-template-columns:1fr}.hero-card{max-width:720px}.grid-3{grid-template-columns:1fr 1fr}.comparison-grid{grid-template-columns:repeat(5,240px)}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:760px){:root{--shell:min(100% - 24px,1180px)}.nav-toggle{display:block}.main-nav{display:none;position:absolute;left:12px;right:12px;top:68px;flex-direction:column;align-items:stretch;padding:12px;background:#0d121d;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.main-nav.open{display:flex}.main-nav>a{text-align:center}.hero{padding-top:56px}.hero-actions .btn{width:100%}.stat-row{grid-template-columns:1fr}.section{padding:54px 0}.section-head{align-items:flex-start;flex-direction:column}.grid-3{grid-template-columns:1fr}.callout{grid-template-columns:1fr}.callout .btn{width:100%}.timeline::before{left:20px}.timeline-item{grid-template-columns:42px 1fr;gap:14px}.timeline-dot{width:42px;height:42px;border-radius:13px;font-size:.8rem}.timeline-card{padding:20px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.page-hero{padding-top:54px}}

/* ET312.de additions */
.hero-home{padding-top:96px}
.hero-proof{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-proof span{display:inline-flex;align-items:center;gap:7px;padding:8px 11px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.025);color:var(--muted);font-size:.78rem}
.hero-proof b{color:#fff}
.et-device-card{padding:28px}
.device-render{position:relative;min-height:300px;padding:28px;border-radius:26px;background:linear-gradient(145deg,#1a2130,#090d15 72%);border:1px solid rgba(255,255,255,.13);box-shadow:inset 0 1px rgba(255,255,255,.04),0 26px 70px rgba(0,0,0,.36);overflow:hidden}
.device-render::before{content:"";position:absolute;inset:10px;border:1px solid rgba(255,255,255,.045);border-radius:20px;pointer-events:none}
.device-render::after{content:"ET312 DIGITAL POWER UNIT";position:absolute;right:18px;bottom:12px;color:rgba(255,255,255,.18);font-size:.63rem;letter-spacing:.16em;font-weight:800}
.device-screen{position:relative;width:64%;min-height:82px;margin:16px auto 50px;padding:13px 15px;border-radius:8px;background:linear-gradient(180deg,#c8f7dc,#8bbca5);border:5px solid #06090e;color:#11231b;box-shadow:0 0 28px rgba(167,243,208,.12);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.device-screen span{display:block;font-size:1.1rem;font-weight:900;letter-spacing:.14em}.device-screen small{font-size:.58rem;letter-spacing:.1em}
.device-leds{display:flex;justify-content:center;gap:46px;margin-bottom:21px}.device-leds i{width:9px;height:9px;border-radius:50%;background:#7dd3fc;box-shadow:0 0 16px rgba(125,211,252,.65)}
.device-controls{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:0 12px}.device-controls i{display:block;width:58px;height:58px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#596273 0 10%,#252b35 40%,#090c11 70%);border:2px solid #606979;box-shadow:0 12px 20px rgba(0,0,0,.35),inset 0 2px 3px rgba(255,255,255,.15)}
.device-controls i:nth-child(2){width:48px;height:48px}
.device-labels{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:10px;text-align:center;color:#7f899d;font-size:.55rem;letter-spacing:.08em}
.fact-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.025);overflow:hidden}
.fact-strip>div{padding:21px 22px;border-right:1px solid var(--line)}.fact-strip>div:last-child{border-right:0}.fact-strip span{display:block;color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em}.fact-strip strong{display:block;margin-top:5px;font-size:1rem}
.accent-section{position:relative}.accent-section::before{content:"";position:absolute;inset:5% 0;background:linear-gradient(90deg,rgba(110,231,255,.025),rgba(139,92,246,.045),rgba(110,231,255,.025));border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04);z-index:-1}
.split-feature{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}.split-feature h2{font-size:clamp(2.2rem,4.5vw,3.8rem);margin-bottom:18px}.split-feature p{color:var(--muted);font-size:1.03rem}.text-link{display:inline-flex;margin-top:16px;color:#b8f4ff;font-weight:800}
.model-cards{display:grid;grid-template-columns:1fr 1fr;gap:15px}.model-cards article{padding:27px;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.025);min-height:190px}.model-cards article span{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);font-weight:900}.model-cards h3{margin:18px 0 8px;font-size:1.6rem}.model-cards p{font-size:.9rem;margin:0}.model-cards .model-primary{background:linear-gradient(160deg,rgba(110,231,255,.09),rgba(139,92,246,.08));border-color:rgba(110,231,255,.25)}
.history-preview{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.history-step{position:relative;padding:24px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.026)}.history-step::before{content:"";position:absolute;left:24px;right:24px;top:0;height:2px;background:linear-gradient(90deg,var(--accent),transparent)}.history-step>span{display:inline-block;margin-bottom:30px;color:var(--accent);font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.history-step h3{font-size:1.12rem;margin-bottom:9px}.history-step p{margin:0;color:var(--muted);font-size:.9rem}.narrow{max-width:900px}
@media(max-width:980px){.fact-strip{grid-template-columns:1fr 1fr}.fact-strip>div:nth-child(2){border-right:0}.fact-strip>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.split-feature{grid-template-columns:1fr}.history-preview{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.device-render{min-height:260px;padding:20px}.device-screen{width:78%;margin-bottom:40px}.device-controls{gap:14px}.device-controls i{width:50px;height:50px}.fact-strip{grid-template-columns:1fr}.fact-strip>div{border-right:0;border-bottom:1px solid var(--line)!important}.fact-strip>div:last-child{border-bottom:0!important}.model-cards{grid-template-columns:1fr}.history-preview{grid-template-columns:1fr}}