/* stromfee.me — Design-System, portiert von stromfee.ai / bess.optimizer.stromfee.ai (Apple-Look) in Stromfee-Blau */
:root{
  --bg:#fcfdff;--bg-soft:#f7faff;--bg-mute:#eef4fd;--surface:#ffffff;
  --text:#0f1115;--text-2:#475063;--text-3:#8a93a6;--text-inv:#fff;
  --border:#e2ebf8;--border-soft:#edf3fc;
  --accent:#116dff;--accent-bright:#5b9bff;--accent-ultra:#cfe0ff;--accent-deep:#0b2f5b;
  --accent-glow:rgba(17,109,255,.30);--accent-dim:rgba(17,109,255,.07);
  --teal:#0fb5a6;--gold:#f59e0b;--danger:#ef4444;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono','SF Mono',ui-monospace,monospace;
  --radius:16px;--radius-sm:11px;--max-w:1240px;--nav-h:62px;
  --ease:cubic-bezier(.4,0,.2,1);
  --shadow:0 1px 2px rgba(11,47,91,.05),0 8px 24px rgba(17,109,255,.06);
  --shadow-hi:0 1px 3px rgba(11,47,91,.06),0 24px 60px rgba(17,109,255,.12),0 0 40px rgba(91,155,255,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent-glow);color:var(--accent-deep)}
.wrap{max-width:var(--max-w);margin:0 auto;padding:0 28px}

/* ---------- Nav (Premium, 2026-06-07e) ---------- */
.nav{position:sticky;top:0;z-index:1000;height:66px;background:rgba(252,253,255,.72);backdrop-filter:saturate(200%) blur(22px);-webkit-backdrop-filter:saturate(200%) blur(22px);border-bottom:1px solid var(--border-soft);box-shadow:inset 0 1px 0 rgba(255,255,255,.7),0 12px 32px -22px rgba(11,47,91,.35)}
.nav .wrap{max-width:var(--max-w);height:66px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}
.brand{display:flex;align-items:center;gap:0;font-weight:800;font-size:1.1rem;letter-spacing:-.02em;color:var(--text);justify-self:start;white-space:nowrap}
.brand b{color:var(--accent);font-weight:800}
.brand::before{content:"";width:28px;height:28px;flex:none;border-radius:9px;background:linear-gradient(135deg,#2f80ff,#0b54d8),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cpath d='M36 8 16 36h12l-4 20 24-30H34l6-18z' fill='white'/%3E%3C/svg%3E") center/15px no-repeat;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cpath d='M36 8 16 36h12l-4 20 24-30H34l6-18z' fill='white'/%3E%3C/svg%3E") center/15px no-repeat,linear-gradient(135deg,#2f80ff,#0b54d8);margin-right:.6rem;box-shadow:0 5px 14px var(--accent-glow),inset 0 1px 0 rgba(255,255,255,.4)}
.nav .links{display:flex;gap:3px;justify-self:center;background:rgba(17,109,255,.055);border:1px solid var(--border-soft);border-radius:999px;padding:4px}
.nav .links a{font-size:.875rem;font-weight:550;color:var(--text-2);padding:.46rem 1rem;border-radius:999px;transition:color .16s var(--ease),background .16s var(--ease),box-shadow .16s var(--ease),transform .16s var(--ease);white-space:nowrap;line-height:1}
.nav .links a:hover{color:var(--accent);background:#fff;box-shadow:0 3px 12px rgba(17,109,255,.14);transform:translateY(-1px)}
.nav .links a.on{color:#fff;background:linear-gradient(135deg,var(--accent),#3f87ff);box-shadow:0 5px 16px var(--accent-glow)}
.nav .cta{justify-self:end;display:inline-flex;align-items:center;gap:.45rem;background:linear-gradient(135deg,var(--accent),#0b54d8);color:#fff;padding:.66rem 1.3rem;border-radius:999px;font-weight:650;font-size:.875rem;line-height:1;box-shadow:0 8px 22px var(--accent-glow),inset 0 1px 0 rgba(255,255,255,.28);transition:transform .18s var(--ease),box-shadow .18s var(--ease)}
.nav .cta::after{content:"→";font-weight:700;transition:transform .18s var(--ease)}
.nav .cta:hover{transform:translateY(-1px);box-shadow:0 12px 30px var(--accent-glow),inset 0 1px 0 rgba(255,255,255,.28)}
.nav .cta:hover::after{transform:translateX(3px)}
@media(max-width:880px){
  .nav{height:auto}
  .nav .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;height:auto;padding:10px 16px 0;gap:6px 10px}
  .nav .links{order:3;width:100%;overflow-x:auto;justify-content:flex-start;border-radius:14px;margin-bottom:9px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .nav .links::-webkit-scrollbar{display:none}
  .nav .links a{font-size:.84rem;padding:.42rem .8rem;flex:none}
  .nav .cta{padding:.55rem 1.05rem;font-size:.82rem}
}

/* ---------- Hero ---------- */
.phero{position:relative;overflow:hidden;background:var(--bg);border-bottom:1px solid var(--border-soft)}
.phero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(60% 75% at 82% -10%,var(--accent-dim),transparent 60%),
  radial-gradient(50% 60% at 8% 110%,rgba(15,181,166,.06),transparent 60%);pointer-events:none}
.phero .grid{position:absolute;inset:0;opacity:.5;background-image:linear-gradient(var(--border-soft) 1px,transparent 1px),linear-gradient(90deg,var(--border-soft) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(72% 80% at 78% 8%,#000,transparent 75%);-webkit-mask-image:radial-gradient(72% 80% at 78% 8%,#000,transparent 75%)}
.phero .wrap{position:relative;z-index:2;padding:7rem 28px 5rem}
.eyebrow{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.28em;text-transform:uppercase;color:var(--accent);margin-bottom:1.5rem}
.phero h1{font-weight:800;letter-spacing:-.038em;line-height:1.04;font-size:clamp(2.4rem,6vw,4.9rem);max-width:18ch;color:var(--text)}
.phero h1 b,.phero h1 .ac{font-weight:800;color:var(--accent)}
.phero .sub{margin-top:1.5rem;max-width:62ch;font-size:clamp(1.05rem,1.5vw,1.28rem);font-weight:400;color:var(--text-2);line-height:1.55}
.cta-row{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:2.2rem}

/* ---------- Stats-Bar ---------- */
.statbar{position:relative;z-index:2;max-width:var(--max-w);margin:0 auto;padding:0 28px}
.statbar .inner{display:flex;flex-wrap:wrap;gap:1.4rem 2.8rem;background:rgba(255,255,255,.72);backdrop-filter:blur(14px);border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem 1.9rem;box-shadow:var(--shadow);margin-top:-1.6rem}
.stat{display:flex;flex-direction:column;gap:.2rem}
.stat .n{font-family:var(--mono);font-weight:700;font-size:1.62rem;letter-spacing:-.02em;color:var(--accent-deep);line-height:1}
.stat .l{font-size:.78rem;color:var(--text-3);font-weight:500}

/* ---------- Content ---------- */
.content{padding:5rem 0 2.5rem}
.kicker{display:block;font-size:.72rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);margin:2.4rem 0 .9rem}
.content h2{font-weight:700;letter-spacing:-.03em;font-size:clamp(1.75rem,3.4vw,2.55rem);line-height:1.12;margin:2.4rem 0 1rem;color:var(--text);max-width:24ch}
.content h2 b,.content h2 .ac{font-weight:700;color:var(--accent)}
.content h3{font-weight:600;font-size:1.28rem;letter-spacing:-.01em;margin:2rem 0 .7rem;color:var(--text)}
.content p{color:var(--text-2);font-size:1.08rem;line-height:1.68;margin:1rem 0;max-width:70ch}
.content a:not(.btn){color:var(--accent);font-weight:500}.content a:not(.btn):hover{text-decoration:underline}
.content ul,.content ol{margin:1rem 0 1rem 0;padding-left:1.3rem;color:var(--text-2);max-width:70ch}
.content li{margin:.5rem 0;font-size:1.05rem;line-height:1.6}
.content li::marker{color:var(--accent)}
.content img{max-width:100%;height:auto;border-radius:14px;margin:1.6rem 0;box-shadow:var(--shadow-hi);border:1px solid var(--border-soft)}

/* ---------- Feature-Cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.2rem;margin:2rem 0}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.7rem 1.6rem;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hi);border-color:var(--accent-ultra)}
.card .ic{font-size:1.5rem;margin-bottom:.7rem}
.card h3{margin:0 0 .4rem;font-size:1.12rem;font-weight:600;color:var(--text)}
.card p{margin:0;font-size:.98rem;color:var(--text-2);line-height:1.55}

/* ---------- CTA-Box ---------- */
.ctabox{position:relative;overflow:hidden;border-radius:24px;color:#eaf2ff;background:radial-gradient(120% 150% at 85% 8%,#1a55b8,var(--accent-deep) 55%,#06203f);padding:3.4rem 2.8rem;text-align:center;margin:3rem auto 5rem;box-shadow:var(--shadow-hi)}
.ctabox h2{color:#fff;margin:0 auto;font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:600;letter-spacing:-.02em;max-width:24ch}
.ctabox p{color:#c3d6f5;margin:.9rem auto 1.7rem;max-width:48ch;font-size:1.05rem}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:.95rem;padding:.9rem 1.7rem;border-radius:var(--radius-sm);transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s}
.btn-primary,.ctabox .btn{background:var(--accent);color:#fff;box-shadow:0 8px 22px var(--accent-glow)}
.ctabox .btn{background:#fff;color:var(--accent-deep);box-shadow:0 12px 30px rgba(0,0,0,.22)}
.btn-primary:hover,.ctabox .btn:hover{transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.6);border:1px solid var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:#fff}

/* ---------- Footer ---------- */
footer{background:#0a1322;color:#9fb0cc;padding:3.2rem 0 2.6rem;font-size:.92rem;margin-top:2rem}
footer .wrap{max-width:var(--max-w);display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap}
footer .b{color:#fff;margin-bottom:.6rem;font-size:1.08rem;font-weight:700}
footer a:hover{color:#fff}
footer .legal{display:flex;gap:1.2rem;flex-wrap:wrap}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- Blog-Post (migriert von apple-techblog v1 → blue v2, 2026-06-07) ---------- */
.post{max-width:800px;margin:0 auto;padding:3.2rem 24px 1.5rem}
.crumbs{font-size:.85rem;color:var(--text-3);margin-bottom:1.1rem}
.crumbs a{color:var(--accent);font-weight:600}
.crumbs a:hover{text-decoration:underline}
.post h1{font-size:clamp(1.9rem,4.6vw,3rem);font-weight:800;letter-spacing:-.035em;line-height:1.1;margin-bottom:.9rem;color:var(--text)}
.meta{font-size:.88rem;color:var(--text-3);margin-bottom:1.7rem;padding-bottom:1.4rem;border-bottom:1px solid var(--border)}
.meta b{color:var(--accent)}
.article{font-size:1.09rem;color:var(--text-2);line-height:1.7}
.article h2{font-size:1.6rem;font-weight:700;letter-spacing:-.02em;margin:2.4rem 0 .8rem;color:var(--text)}
.article h3{font-size:1.22rem;font-weight:600;margin:1.8rem 0 .6rem;color:var(--text)}
.article p{margin:0 0 1.1rem}
.article ul,.article ol{margin:0 0 1.1rem;padding-left:1.4rem}
.article li{margin-bottom:.5rem}
.article li::marker{color:var(--accent)}
.article a{color:var(--accent);font-weight:500;text-decoration:underline;text-underline-offset:2px}
.article img{width:100%;height:auto;border-radius:14px;margin:1.5rem 0;border:1px solid var(--border-soft);box-shadow:var(--shadow)}
.tldr{background:var(--accent-dim);border:1px solid var(--accent-ultra);border-left:4px solid var(--accent);border-radius:0 12px 12px 0;padding:1rem 1.3rem;margin:0 0 1.5rem;font-size:1rem;color:var(--text-2)}
.post .ctabox{margin:3rem 0 1.2rem;padding:2.6rem 2rem}

/* ---------- Themenseiten: Hero-Bild, FAQ, Feature-Zeilen (2026-06-07) ---------- */
.phero .heroimg{margin-top:2.6rem;border-radius:var(--radius);box-shadow:var(--shadow-hi);border:1px solid var(--border-soft);width:100%;height:auto;display:block}
.faq{max-width:860px;margin:1.5rem auto 0}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:.6rem;overflow:hidden;transition:border-color .2s}
.faq details[open]{border-color:var(--accent-ultra);box-shadow:var(--shadow)}
.faq summary{cursor:pointer;padding:1rem 1.2rem;font-weight:600;font-size:1.02rem;color:var(--text);list-style:none;display:flex;gap:.8rem;align-items:baseline}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";color:var(--accent);font-weight:700;font-family:var(--mono);width:1rem;flex:none}
.faq details[open] summary::before{content:"−"}
.faq .a{padding:0 1.2rem 1.1rem 3rem;color:var(--text-2);font-size:.99rem;line-height:1.65}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:2.6rem;align-items:center;margin:3rem 0}
.frow:nth-child(even){direction:rtl}.frow:nth-child(even)>*{direction:ltr}
.frow img{width:100%;height:auto;border-radius:var(--radius);box-shadow:var(--shadow-hi);border:1px solid var(--border-soft)}
.frow h3{font-size:1.35rem;font-weight:700;letter-spacing:-.015em;margin-bottom:.6rem;color:var(--text)}
.frow p{color:var(--text-2);font-size:1.02rem;line-height:1.65;margin:0}
@media(max-width:760px){.frow{grid-template-columns:1fr;gap:1.2rem}.frow:nth-child(even){direction:ltr}}

.article{overflow-wrap:anywhere}

/* ---------- Nav-Dropdowns (Original-Wix-Kategorien, 2026-06-07g) ---------- */
.nav .links .dd{position:relative;display:flex}
.nav .links .dd>a::after{content:"▾";font-size:.7em;margin-left:.35rem;opacity:.6}
.nav .links .dd .menu{position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(-6px);background:rgba(255,255,255,.96);backdrop-filter:blur(18px);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-hi);padding:.45rem;min-width:300px;display:flex;flex-direction:column;gap:1px;opacity:0;visibility:hidden;transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;z-index:1001}
.nav .links .dd:hover .menu,.nav .links .dd:focus-within .menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav .links .dd .menu a{display:block;border-radius:10px;padding:.55rem .9rem;font-size:.875rem;white-space:nowrap}
.nav .links .dd .menu a:hover{transform:none}
.nav .links .dd .menu .sep{height:1px;background:var(--border-soft);margin:.3rem .6rem}
@media(max-width:880px){
  .nav .links .dd{display:contents}
  .nav .links .dd>a::after{content:""}
  .nav .links .dd .menu{display:contents;position:static;opacity:1;visibility:visible;transform:none;border:0;box-shadow:none;background:none;padding:0}
  .nav .links .dd .menu a{white-space:nowrap;border-radius:999px}
  .nav .links .dd .menu .sep{display:none}
}

/* ---------- Mobile-Politur (2026-06-07h, Holger: schöne mobile Version) ---------- */
@media(max-width:880px){
  .nav .links{mask-image:linear-gradient(90deg,#000 0,#000 90%,transparent);-webkit-mask-image:linear-gradient(90deg,#000 0,#000 90%,transparent)}
}
@media(max-width:760px){
  .phero .wrap{padding:3rem 20px 2.4rem}
  .phero h1{font-size:clamp(1.85rem,8vw,2.6rem)}
  .phero .sub{font-size:1.02rem}
  .phero .heroimg{margin-top:1.8rem;border-radius:14px}
  .cta-row .btn{width:100%;justify-content:center}
  .content{padding:2.6rem 0 1.4rem}
  .wrap{padding:0 20px}
  .content h2{font-size:1.55rem}
  .cards{grid-template-columns:1fr;gap:.9rem}
  .frow{margin:2rem 0}
  .faq .a{padding-left:1.2rem}
  .ctabox{padding:2.2rem 1.3rem;border-radius:18px;margin:2rem 0 2.6rem}
  .statbar .inner{gap:.9rem 1.6rem;padding:1.1rem 1.2rem;margin-top:-1rem}
  .stat .n{font-size:1.3rem}
  footer .wrap{flex-direction:column;gap:1.3rem}
  footer .legal{gap:.9rem}
  .post{padding:2.2rem 20px 1rem}
  .post h1{font-size:clamp(1.6rem,7.5vw,2.2rem)}
}

/* ---------- Apps-Promo-Band (apps.stromfee.ai) ---------- */
.apps-promo{position:relative;overflow:hidden;background:radial-gradient(130% 160% at 80% -20%,#1a55b8,#0b2f5b 55%,#06203f);color:#eaf2ff;border-radius:22px;padding:2.1rem 1.9rem;margin:2.5rem auto;max-width:var(--max-w);display:flex;align-items:center;gap:1.4rem;flex-wrap:wrap;box-shadow:var(--shadow-hi)}
.apps-promo .ic{font-size:2.2rem;flex:none}
.apps-promo .tx{flex:1;min-width:230px}
.apps-promo .tx b{display:block;font-size:1.15rem;font-weight:800;letter-spacing:-.02em;margin-bottom:.25rem}
.apps-promo .tx span{color:#c3d6f5;font-size:.93rem;line-height:1.5}
.apps-promo .go{flex:none;display:inline-flex;align-items:center;gap:.45rem;background:#fff;color:#0b2f5b;padding:.72rem 1.35rem;border-radius:999px;font-weight:700;font-size:.9rem;box-shadow:0 10px 26px rgba(0,0,0,.28);transition:transform .18s var(--ease)}
.apps-promo .go:hover{transform:translateY(-2px)}
.apps-promo-wrap{padding:0 24px}
@media(max-width:760px){.apps-promo{padding:1.6rem 1.3rem;border-radius:16px;text-align:left}.apps-promo .go{width:100%;justify-content:center}}