/* =========================================================
   Schares Labs — Tech-Studio Design
   Selbst-enthalten: keine externen Fonts/CDNs/Skripte.
   Light + Dark via prefers-color-scheme.
   ========================================================= */

:root{
  --brand:#4f6bff;         /* Indigo */
  --brand-2:#22d3ee;       /* Cyan   */
  --brand-ink:#3550e0;
  --bg:#f6f8fc;
  --bg-alt:#eef2fb;
  --surface:#ffffff;
  --surface-2:#f2f5fd;
  --ink:#0e1626;
  --ink-soft:#3a465c;
  --muted:#6b7791;
  --border:#e2e8f5;
  --shadow:0 18px 50px rgba(28,42,84,.10);
  --shadow-sm:0 6px 20px rgba(28,42,84,.08);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1120px;
  --curtain:linear-gradient(135deg,#111a35 0%,#0a1226 60%,#111a35 100%);
}
@media (prefers-color-scheme:dark){
  :root{
    --brand:#7c92ff;
    --brand-2:#3ce0f4;
    --brand-ink:#9fb0ff;
    --bg:#080c18;
    --bg-alt:#0c1122;
    --surface:#111830;
    --surface-2:#0e1428;
    --ink:#eaf0ff;
    --ink-soft:#c2ccea;
    --muted:#8b97ba;
    --border:#1e2846;
    --shadow:0 22px 60px rgba(0,0,0,.55);
    --shadow-sm:0 8px 26px rgba(0,0,0,.45);
    --curtain:linear-gradient(135deg,#0a1024 0%,#05080f 60%,#0a1024 100%);
  }
}

/* ===== View Transitions (moderne Browser) ===== */
@view-transition{ navigation:auto; }
.site-header{ view-transition-name:nav; }
.site-footer{ view-transition-name:foot; }
.brand{ view-transition-name:brand; }
::view-transition-group(*){ animation-duration:.55s; animation-timing-function:cubic-bezier(.65,0,.32,1); }
::view-transition-old(root){ animation:vt-fade-out .3s ease both; }
::view-transition-new(root){ animation:vt-fade-in .45s ease both; }
@keyframes vt-fade-out{ to{ opacity:0; transform:translateY(-6px) } }
@keyframes vt-fade-in{ from{ opacity:0; transform:translateY(10px) } }
@media (prefers-reduced-motion:reduce){ @view-transition{ navigation:none; } }

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
h1,h2,h3,h4{line-height:1.12;letter-spacing:-.02em;font-weight:800;color:var(--ink)}
h1{font-size:clamp(2.3rem,6vw,4rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem)}
h3{font-size:1.22rem}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.1rem,4vw,2rem)}
section{padding:clamp(3.4rem,7vw,6rem) 0}
.section-alt{background:var(--bg-alt)}

/* ===== Scroll-Progress ===== */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));z-index:300;transition:width .12s ease}

/* ===== NAV ===== */
.site-header{position:sticky;top:0;z-index:200;transition:.35s;
  background:color-mix(in srgb,var(--bg) 72%,transparent)}
.site-header.scrolled{background:color-mix(in srgb,var(--surface) 86%,transparent);
  backdrop-filter:blur(14px) saturate(1.2);box-shadow:0 2px 22px rgba(20,32,70,.10);border-bottom:1px solid var(--border)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:.65rem;font-weight:800;font-size:1.12rem;letter-spacing:-.02em}
.logo{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;color:#fff;font-weight:800;font-size:.95rem;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 6px 18px rgba(79,107,255,.4)}
.nav{display:flex;align-items:center;gap:2rem}
.nav a{font-weight:600;font-size:.95rem;color:var(--ink-soft);position:relative;transition:.2s}
.nav a:not(.btn)::after{content:'';position:absolute;left:0;bottom:-6px;height:2px;width:0;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:.28s;border-radius:2px}
.nav a:not(.btn):hover,.nav a.active{color:var(--ink)}
.nav a:not(.btn):hover::after,.nav a.active::after{width:100%}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;z-index:210}
.nav-toggle span{width:26px;height:2.5px;border-radius:3px;background:var(--ink);transition:.3s}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.82rem 1.6rem;border-radius:50px;
  font-weight:600;font-size:.96rem;cursor:pointer;transition:.25s;border:1.5px solid transparent;will-change:transform}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-ink));
  box-shadow:0 10px 26px rgba(79,107,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(79,107,255,.45)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.nav .btn{padding:.55rem 1.25rem;font-size:.9rem}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;padding:clamp(4.5rem,11vw,8rem) 0 clamp(3.5rem,8vw,6rem);text-align:center}
.hero-bg{position:absolute;inset:0;z-index:-1;pointer-events:none}
.hero-bg::before,.hero-bg::after{content:'';position:absolute;border-radius:50%;filter:blur(80px);opacity:.55}
.hero-bg::before{width:520px;height:520px;top:-160px;left:50%;margin-left:-380px;
  background:radial-gradient(circle,var(--brand),transparent 65%)}
.hero-bg::after{width:460px;height:460px;top:-120px;right:50%;margin-right:-360px;
  background:radial-gradient(circle,var(--brand-2),transparent 65%)}
.grid-glow{position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(ellipse 70% 60% at 50% 0%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 0%,#000 30%,transparent 75%)}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;text-transform:uppercase;letter-spacing:.16em;
  font-size:.74rem;font-weight:700;color:var(--brand);padding:.4rem .95rem;border:1px solid var(--border);
  border-radius:50px;background:var(--surface);box-shadow:var(--shadow-sm);margin-bottom:1.4rem}
.eyebrow::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 10px var(--brand-2)}
.hero h1{max-width:15ch;margin:0 auto}
.hero h1 .grad{background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(1.02rem,2vw,1.2rem);color:var(--muted);max-width:640px;margin:1.5rem auto 2.2rem}
.hero-actions{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap}

/* generic section head */
.section-head{text-align:center;max-width:680px;margin:0 auto 2.8rem}
.section-head .kicker{display:block;margin-bottom:.7rem}
.section-head p{color:var(--muted);margin-top:.7rem}
.kicker{text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;font-weight:700;color:var(--brand)}

/* ===== Teaser tiles (home) ===== */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:1rem}
.tile{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.9rem 1.7rem;box-shadow:var(--shadow-sm);transition:.3s;overflow:hidden;display:flex;flex-direction:column;gap:.5rem}
.tile::before{content:'';position:absolute;inset:0;border-radius:var(--radius);padding:1px;opacity:0;transition:.3s;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
.tile:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.tile:hover::before{opacity:1}
.tile .ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;color:#fff;margin-bottom:.4rem;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 8px 20px rgba(79,107,255,.35)}
.tile p{color:var(--muted);font-size:.95rem}
.tile .tlink{margin-top:auto;color:var(--brand);font-weight:600;font-size:.9rem;padding-top:.6rem;transition:.25s}
.tile:hover .tlink{transform:translateX(5px)}

/* ===== Feature cards (leistungen) ===== */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem;margin-top:1rem}
.card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:2rem 1.9rem;box-shadow:var(--shadow-sm);transition:.3s;overflow:hidden}
.card::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;transform:scaleX(0);transform-origin:left;transition:.35s;
  background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card:hover::after{transform:scaleX(1)}
.card .ico{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;color:#fff;margin-bottom:1rem;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 8px 22px rgba(79,107,255,.35)}
.card h3{margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.97rem}
.card ul{list-style:none;margin-top:.9rem;display:flex;flex-wrap:wrap;gap:.5rem}
.card ul li{font-size:.82rem;font-weight:600;color:var(--ink-soft);background:var(--surface-2);
  border:1px solid var(--border);border-radius:50px;padding:.3rem .8rem}

/* ===== Product page ===== */
.product{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.product .tag{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand);background:var(--surface);border:1px solid var(--border);border-radius:50px;padding:.35rem .9rem;margin-bottom:1.1rem}
.product h2{margin-bottom:.9rem}
.product p{color:var(--muted);margin-bottom:1rem}
.product .checks{list-style:none;margin:1.2rem 0 1.6rem;display:flex;flex-direction:column;gap:.55rem}
.product .checks li{position:relative;padding-left:2rem;color:var(--ink-soft)}
.product .checks li::before{content:'✓';position:absolute;left:0;top:.15rem;width:1.35rem;height:1.35rem;border-radius:50%;
  display:grid;place-items:center;font-size:.75rem;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.product-visual{position:relative;aspect-ratio:1;border-radius:24px;display:grid;place-items:center;
  background:linear-gradient(135deg,color-mix(in srgb,var(--brand) 18%,var(--surface)),color-mix(in srgb,var(--brand-2) 16%,var(--surface)));
  border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden}
.product-visual::before{content:'';position:absolute;inset:0;opacity:.4;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:40px 40px}
.product-visual .emoji{font-size:clamp(5rem,16vw,9rem);position:relative;filter:drop-shadow(0 14px 30px rgba(0,0,0,.25))}

/* ===== Steps / how ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:1rem}
.step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.9rem;transition:.3s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm)}
.step .num{font-size:2.4rem;font-weight:800;line-height:1;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.step h3{margin:.6rem 0 .3rem}
.step p{color:var(--muted);font-size:.94rem}

/* ===== CTA band ===== */
.cta-band{text-align:center}
.cta-inner{position:relative;background:linear-gradient(135deg,var(--brand-ink),#1b2b7a);border-radius:26px;
  padding:clamp(2.6rem,6vw,4rem);box-shadow:var(--shadow);overflow:hidden;color:#fff}
.cta-inner::before{content:'';position:absolute;width:400px;height:400px;border-radius:50%;filter:blur(70px);opacity:.5;
  top:-140px;right:-80px;background:var(--brand-2)}
.cta-inner h2{color:#fff;position:relative}
.cta-inner p{color:rgba(255,255,255,.82);max-width:560px;margin:.9rem auto 1.7rem;position:relative}
.cta-inner .hero-actions{position:relative}
.cta-inner .btn-primary{background:#fff;color:var(--brand-ink)}
.cta-inner .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.cta-inner .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ===== Kontakt ===== */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,3.4rem);align-items:start}
.contact-info h2{margin-bottom:1rem}
.contact-info>p{color:var(--muted);margin-bottom:1.6rem}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:1rem}
.contact-list li{display:flex;align-items:center;gap:.9rem;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:1rem 1.2rem;box-shadow:var(--shadow-sm);transition:.25s}
.contact-list li:hover{transform:translateX(4px);border-color:var(--brand)}
.contact-list .ci-ico{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;color:#fff;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.contact-list .lbl{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700}
.contact-list a,.contact-list span.val{color:var(--ink);font-weight:600}
.contact-list a:hover{color:var(--brand)}

.contact-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:clamp(1.6rem,4vw,2.2rem);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:1rem}
.contact-form label{display:flex;flex-direction:column;gap:.4rem;font-size:.82rem;font-weight:700;color:var(--ink-soft)}
.contact-form input,.contact-form textarea{font-family:inherit;font-size:1rem;padding:.8rem .95rem;color:var(--ink);
  border:1.5px solid var(--border);border-radius:11px;background:var(--surface-2);transition:.2s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--brand);
  box-shadow:0 0 0 4px color-mix(in srgb,var(--brand) 18%,transparent);background:var(--surface)}
.contact-form textarea{resize:vertical;min-height:120px}
.form-note{font-size:.78rem;color:var(--muted);text-align:center;font-weight:500}

/* ===== Legal ===== */
.legal{padding:clamp(2.4rem,6vw,4rem) 0}
.legal .container{max-width:820px}
.legal .back{display:inline-block;color:var(--brand);font-weight:600;font-size:.9rem;margin-bottom:1.4rem}
.legal .back:hover{text-decoration:underline}
.legal h1{font-size:clamp(1.9rem,4vw,2.6rem);margin-bottom:1.4rem}
.legal h2{font-size:1.2rem;margin:1.9rem 0 .5rem;color:var(--ink)}
.legal p,.legal address,.legal li{color:var(--ink-soft);font-size:.97rem}
.legal address{font-style:normal;line-height:1.8}
.legal ul{margin:.4rem 0 .4rem 1.3rem}
.legal li{margin:.2rem 0}
.legal a{color:var(--brand);word-break:break-word}
.legal a:hover{text-decoration:underline}
.legal .muted{color:var(--muted);font-size:.92rem}
.legal strong{color:var(--ink)}

/* ===== FOOTER ===== */
.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:2.2rem 0}
.site-footer .container{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between}
.site-footer .copyright{color:var(--muted);font-size:.9rem}
.foot-links{display:flex;gap:1.4rem}
.foot-links a{color:var(--muted);font-size:.9rem;font-weight:600;transition:.2s}
.foot-links a:hover{color:var(--brand)}

/* ===== ToTop ===== */
.totop{position:fixed;bottom:22px;right:22px;width:46px;height:46px;border:0;border-radius:50%;cursor:pointer;
  color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-ink));box-shadow:0 10px 26px rgba(79,107,255,.4);
  opacity:0;pointer-events:none;transform:translateY(10px);transition:.3s;z-index:150;font-size:1rem}
.totop.show{opacity:1;pointer-events:auto;transform:none}
.totop:hover{transform:translateY(-3px)}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(28px);transition:.75s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.tiles>.reveal:nth-child(2),.grid>.reveal:nth-child(2),.steps>.reveal:nth-child(2){transition-delay:.1s}
.tiles>.reveal:nth-child(3),.grid>.reveal:nth-child(3),.steps>.reveal:nth-child(3){transition-delay:.2s}
.grid>.reveal:nth-child(4){transition-delay:.3s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}

/* ===== Curtain fallback ===== */
.curtain{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;
  background:var(--curtain);transform:translateY(100%);will-change:transform;pointer-events:none}
.curtain::before{content:'';position:absolute;left:0;right:0;bottom:100%;height:4px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.curtain .c-logo{display:flex;align-items:center;gap:.7rem;color:#fff;font-weight:800;font-size:1.5rem;letter-spacing:-.02em;
  opacity:0;transform:scale(.9);transition:opacity .35s ease,transform .55s cubic-bezier(.2,.7,.3,1)}
.curtain .c-logo .logo{width:48px;height:48px;border-radius:14px;font-size:1.1rem}
.curtain.cover{transform:translateY(0);transition:transform .5s cubic-bezier(.76,0,.24,1)}
.curtain.cover .c-logo{opacity:1;transform:none}
html.nav-arrive::before{content:'';position:fixed;inset:0;z-index:9999;transform:translateY(0);
  background:var(--curtain);transition:transform .6s cubic-bezier(.76,0,.24,1)}
html.nav-reveal::before{transform:translateY(-100%)}
@media (prefers-reduced-motion:reduce){
  .curtain{display:none!important}
  html.nav-arrive::before{display:none!important}
}

/* ===== Responsive ===== */
@media (max-width:900px){
  .tiles,.steps{grid-template-columns:1fr}
  .product,.contact-grid{grid-template-columns:1fr}
  .product-visual{max-width:360px;margin:0 auto}
}
@media (max-width:760px){
  .grid{grid-template-columns:1fr}
  .nav{position:fixed;top:0;right:0;height:100dvh;width:80%;max-width:320px;flex-direction:column;
    justify-content:center;gap:2rem;background:var(--surface);box-shadow:-16px 0 50px rgba(0,0,0,.25);
    border-left:1px solid var(--border);transform:translateX(105%);
    transition:transform .35s cubic-bezier(.76,0,.24,1);overflow-y:auto}
  .nav.open{transform:translateX(0)}
  .nav a{font-size:1.15rem}
  .nav .btn{font-size:1.05rem;padding:.7rem 1.6rem}
  .nav-toggle{display:flex}
  .nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
  .site-footer .container{flex-direction:column;text-align:center}
}