/* Website – eigenständig, ohne externe Abrufe (Schrift liegt lokal) */
@font-face { font-family: 'Inter'; font-weight: 100 900; font-display: swap; src: url(../fonts/inter-latin-wght-normal.woff2) format('woff2'); }

:root {
  --ink: #0e1622; --ink-2: #16212f; --ink-3: #1f2c3d;
  --paper: #ffffff; --tint: #f3f6fa; --line: #dfe5ec; --line-dark: #2a3747;
  --fg: #141a22; --fg-2: #4a5462; --fg-3: #7a8491; --fg-inv: #eef2f6; --fg-inv-2: #a9b4c1;
  --accent: #2f8fe0; --accent-2: #6db6f2; --accent-ink: #ffffff; --accent-soft: #e5f1fc; --accent-text: #1f6fb8; --accent-hover: #2479c4;
  --ok: #24a36b; --bad: #d4553f;
  --r: 18px; --r-sm: 12px;
  --shadow: 0 20px 50px -20px rgba(8, 14, 24, .35);
  --wrap: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: Inter, system-ui, -apple-system, 'Segoe UI', sans-serif; color: var(--fg); background: var(--paper); line-height: 1.6; font-size: 17px; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 750; }
h3, .h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; }
.muted { color: var(--fg-3); }
.center { text-align: center; }
.mt { margin-top: 1.6rem; }
.skip { position: absolute; left: -9999px; } .skip:focus { left: 12px; top: 12px; z-index: 100; background: #fff; padding: 8px 12px; border-radius: 8px; }

/* Kopf */
.top { position: sticky; top: 0; z-index: 50; background: rgba(14, 22, 34, .88); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid rgba(255,255,255,.06); color: var(--fg-inv); }
.top-in { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 1.15rem; letter-spacing: -.01em; }
.logo svg { height: 30px; width: auto; display: block; }
.logo-foot svg { height: 28px; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav a { text-decoration: none; color: var(--fg-inv-2); font-size: .95rem; font-weight: 500; padding: 8px 12px; border-radius: 10px; transition: color .15s, background .15s; }
.nav a:hover { color: #fff; background: rgba(255,255,255,.06); }
body[data-nav="anbindung"] .nav a[data-k="anbindung"], body[data-nav="funktionen"] .nav a[data-k="funktionen"], body[data-nav="kontakt"] .nav a[data-k="kontakt"], body[data-nav="branchen"] .nav a[data-k="branchen"] { color: #fff; }
.nav .nav-cta { color: var(--accent-ink); margin-left: 8px; }
.nav .nav-cta:hover { color: var(--accent-ink); background: var(--accent-hover); }
.menu { display: none; margin-left: auto; background: none; border: 0; width: 44px; height: 44px; padding: 10px; cursor: pointer; }
.menu span { display: block; height: 2px; background: #fff; margin: 6px 0; border-radius: 2px; transition: transform .2s, opacity .2s; }

/* Knöpfe */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--accent); color: var(--accent-ink); font-weight: 700; text-decoration: none; border: 0; border-radius: 12px; padding: 12px 20px; font-size: 1rem; cursor: pointer; transition: background .15s, transform .15s; font-family: inherit; }
.btn:hover { background: var(--accent-hover); }
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 8px 14px; font-size: .92rem; }
.btn-lg { padding: 15px 26px; font-size: 1.05rem; }
.btn-ghost { background: transparent; color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.28); }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-ghost-dark { background: transparent; color: var(--fg); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn-ghost-dark:hover { background: var(--tint); }
.link { color: var(--accent-text); font-weight: 600; text-decoration: none; } .link:hover { text-decoration: underline; }

/* Hero */
.hero { background: radial-gradient(1200px 600px at 85% -10%, rgba(47,143,224,.22), transparent 60%), radial-gradient(900px 500px at -10% 110%, rgba(43,120,200,.18), transparent 60%), var(--ink); color: var(--fg-inv); padding: 72px 0 40px; overflow: hidden; }
.hero-in { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 700; color: var(--accent-text); margin: 0 0 .9rem; }
.hero .eyebrow, .hero-sub .eyebrow, .sec-dark .eyebrow, .cta .eyebrow { color: var(--accent-2); }
.hl { background: linear-gradient(90deg, var(--accent-2), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 1.2rem; color: var(--fg-inv-2); max-width: 40em; }
.lead-sm { font-size: 1.08rem; color: var(--fg-2); max-width: 46em; }
.note { margin-top: 18px; font-size: .9rem; color: var(--fg-2); border-left: 3px solid var(--accent); padding: 4px 0 4px 12px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 0; margin: 0; list-style: none; color: var(--fg-inv-2); font-size: .95rem; }
.hero-points li::before { content: '✓'; color: var(--accent); font-weight: 800; margin-right: 8px; }
.hero-visual { position: relative; min-height: 420px; }
.shot { margin: 0; line-height: 0; border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow); background: var(--ink-2); }
.shot-desk { border: 1px solid rgba(255,255,255,.08); }
.hero-visual .shot-desk { width: 118%; max-width: none; }
.shot-phone { width: 210px; border-radius: 30px; border: 6px solid #0a0f17; box-shadow: 0 30px 60px -20px rgba(0,0,0,.6); }
.hero-visual .shot-phone { position: absolute; right: -10px; bottom: -30px; }
.shot-light { background: #fff; border: 1px solid var(--line); }
.shot-tilt { transform: rotate(1.2deg); }
.shot-center { margin: 0 auto; }
.protocols { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 64px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.08); }
.protocols span { font-size: .85rem; color: var(--fg-inv-2); padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); }

.hero-sub { padding: 64px 0 56px; }
.hero-sub h1 { font-size: clamp(2rem, 4vw, 3rem); max-width: 26ch; }
.hero-plain { padding: 48px 0 36px; }
.back { display: inline-block; color: var(--fg-inv-2); text-decoration: none; font-size: .92rem; margin-bottom: 18px; } .back:hover { color: #fff; }
.sub-head { display: flex; gap: 22px; align-items: flex-start; }
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.toc a { text-decoration: none; font-size: .9rem; color: var(--fg-inv); padding: 7px 14px; border-radius: 999px; background: rgba(255,255,255,.07); } .toc a:hover { background: rgba(255,255,255,.14); }

/* Abschnitte */
.sec { padding: 88px 0; }
.sec-tight { padding: 40px 0 64px; }
.sec-tint { background: var(--tint); }
.sec-dark { background: var(--ink); color: var(--fg-inv); }
.sec-dark .lead-sm, .sec-dark p { color: var(--fg-inv-2); }
.sec-head { max-width: 760px; margin-bottom: 44px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split-rev > :first-child { order: 2; }

.ico { width: 46px; height: 46px; border-radius: 13px; display: inline-grid; place-items: center; background: var(--accent-soft); color: #1f6fb8; flex: none; }
.ico svg { width: 24px; height: 24px; }
.ico-lg { width: 64px; height: 64px; border-radius: 18px; } .ico-lg svg { width: 32px; height: 32px; }
.sec-dark .ico, .hero .ico { background: rgba(109,182,242,.14); color: var(--accent-2); }

.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
.flow-step { position: relative; padding: 26px 22px; border-radius: var(--r); background: var(--tint); }
.flow-step h3 { margin-top: 14px; }
.flow-step p { color: var(--fg-2); font-size: .97rem; margin: 0; }
.flow-step::after { counter-increment: s; content: counter(s); position: absolute; top: 18px; right: 20px; font-weight: 800; font-size: 2rem; color: #e7e2da; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { display: flex; flex-direction: column; gap: 10px; text-decoration: none; padding: 24px; border-radius: var(--r); background: var(--ink-2); border: 1px solid var(--line-dark); transition: transform .18s, border-color .18s, background .18s; }
.card:hover { transform: translateY(-3px); border-color: rgba(232,137,43,.5); background: var(--ink-3); }
.card h3 { margin: 6px 0 0; color: #fff; font-size: 1.08rem; }
.card p { color: var(--fg-inv-2); font-size: .93rem; margin: 0; flex: 1; }
.card .more { color: var(--accent-2); font-weight: 600; font-size: .9rem; }

.list { list-style: none; padding: 0; margin: 0 0 1.4em; display: grid; gap: 10px; }
.list li { position: relative; padding-left: 30px; }
.list-check li::before { content: ''; position: absolute; left: 0; top: .32em; width: 18px; height: 18px; border-radius: 6px; background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231f6fb8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-9'/%3E%3C/svg%3E") center/12px no-repeat; }
.sec-dark .list-check li::before { background-color: rgba(232,137,43,.16); }
.list-x li::before { content: '–'; position: absolute; left: 6px; color: var(--fg-3); font-weight: 700; }
.list-x li { color: var(--fg-2); }
.two-col { grid-template-columns: 1fr 1fr; gap: 14px 28px; }

.phones { display: flex; gap: 22px; justify-content: center; align-items: flex-start; }
.phones .shot-phone:nth-child(2) { margin-top: 60px; }

.feat { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px 24px; }
.feat h3 { margin: 14px 0 6px; font-size: 1.05rem; }
.feat p { color: var(--fg-2); font-size: .95rem; margin: 0; }

.ways { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.way { padding: 34px; border-radius: 22px; background: var(--ink-2); border: 1px solid var(--line-dark); }
.way h3 { font-size: 1.5rem; color: #fff; margin-top: 14px; }
.badge { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 5px 11px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); }
.badge-alt { background: #2b78c8; color: #fff; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; counter-reset: st; }
.steps li { background: #fff; border-radius: var(--r); padding: 22px; border: 1px solid var(--line); }
.steps li::before { counter-increment: st; content: counter(st); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 800; margin-bottom: 12px; }
.steps b { display: block; margin-bottom: 4px; }
.steps span { color: var(--fg-2); font-size: .93rem; }

details { border-bottom: 1px solid var(--line); padding: 4px 0; }
summary { cursor: pointer; font-weight: 650; padding: 16px 32px 16px 0; list-style: none; position: relative; font-size: 1.05rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 4px; top: 12px; font-size: 1.5rem; color: var(--accent); transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--fg-2); margin: 0 0 18px; }

.cta { background: linear-gradient(120deg, #1a2433, var(--ink)); color: #fff; padding: 64px 0; }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta h2 { margin-bottom: .3em; }
.cta p { color: var(--fg-inv-2); margin: 0; max-width: 44em; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-block; text-decoration: none; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); font-size: .92rem; font-weight: 500; }
a.chip:hover { border-color: var(--accent); color: #1f6fb8; }
.chip-soft { background: var(--tint); border-color: transparent; }
.results { gap: 16px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); }
.res { display: flex; align-items: center; gap: 12px; padding: 20px 22px; background: #fff; border-radius: var(--r); font-weight: 650; border: 1px solid var(--line); }
.res-ico { color: var(--ok); width: 26px; height: 26px; flex: none; } .res-ico svg { width: 26px; height: 26px; }

/* Anbindung */
.proto { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.proto .p { padding: 24px; border-radius: var(--r); border: 1px solid var(--line); background: #fff; display: flex; flex-direction: column; }
.proto .p h3 { margin-bottom: 6px; }
.proto .p p { color: var(--fg-2); font-size: .95rem; flex: 1; }
.tag { align-self: flex-start; font-size: .8rem; font-weight: 600; color: #1f6fb8; background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; }
.p-more { background: var(--tint) !important; border-style: dashed !important; }
.diagram { display: grid; grid-template-columns: auto auto 1fr auto 1fr; align-items: center; gap: 12px; }
.dg-col { display: grid; gap: 8px; }
.dg-col span { font-size: .85rem; padding: 7px 12px; border-radius: 10px; background: var(--ink-2); border: 1px solid var(--line-dark); color: var(--fg-inv); white-space: nowrap; }
.dg-arrow { color: var(--accent); font-size: 1.6rem; font-weight: 800; }
.dg-box { padding: 18px; border-radius: 14px; background: var(--ink-3); border: 1px solid var(--line-dark); text-align: center; font-weight: 600; font-size: .92rem; color: var(--fg-inv); }
.dg-main { background: linear-gradient(145deg, var(--accent-2), var(--accent)); color: var(--accent-ink); border: 0; font-size: 1.05rem; font-weight: 800; }
.dg-main small { display: block; font-weight: 600; font-size: .78rem; opacity: .8; margin-top: 4px; }

/* Kontakt */
.contact { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: start; }
.form { display: grid; gap: 16px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: .92rem; }
.form input, .form select, .form textarea { font: inherit; font-weight: 400; padding: 12px 14px; border-radius: 12px; border: 1.5px solid var(--line); background: #fff; color: var(--fg); width: 100%; min-width: 0; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.hint { font-size: .85rem; color: var(--fg-3); margin: 0; }
.form-err { color: var(--bad); font-weight: 600; margin: 0; }
.form .btn { justify-self: start; }
.card-contact { padding: 28px; border-radius: 22px; background: var(--tint); }
.card-contact .big { font-size: 1.15rem; font-weight: 700; text-decoration: none; }
.card-contact hr { border: 0; border-top: 1px solid var(--line); margin: 22px 0; }

.legal h2 { font-size: 1.2rem; margin-top: 2rem; }
.legal a { color: #1f6fb8; }

/* Fuß */
.foot { background: #0a1019; color: var(--fg-inv-2); padding: 56px 0 24px; font-size: .95rem; }
.foot-in { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.foot h4 { color: #fff; font-size: .95rem; margin-bottom: 12px; }
.foot a, .foot span { display: block; text-decoration: none; margin-bottom: 6px; }
.foot a:hover { color: #fff; }
.logo-foot { color: #fff; margin-bottom: 12px; display: inline-flex !important; }
.foot .muted { color: var(--fg-inv-2); }
.foot-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,.08); margin-top: 36px; padding-top: 18px; font-size: .85rem; }
.foot-bottom span { display: inline; margin: 0; }

/* Responsiv */
@media (max-width: 1080px) {
  .cards, .feat { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .proto { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .menu { display: block; }
  .nav { position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 16px 20px; background: var(--ink); border-bottom: 1px solid var(--line-dark); transform: translateY(-120%); transition: transform .25s; max-height: calc(100dvh - 68px); overflow: auto; }
  .nav a { padding: 14px 12px; font-size: 1.05rem; }
  .nav .nav-cta { margin: 10px 0 0; justify-content: center; }
  body.nav-open .nav { transform: none; }
  body.nav-open .menu span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  body.nav-open .menu span:nth-child(2) { opacity: 0; }
  body.nav-open .menu span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .hero-in, .split, .ways, .contact { grid-template-columns: 1fr; gap: 36px; }
  .split-rev > :first-child { order: 0; }
  .hero { padding-top: 48px; }
  .hero-visual { min-height: 0; padding-bottom: 40px; }
  .hero-visual .shot-desk { width: 100%; }
  .hero-visual .shot-phone { width: 140px; right: 8px; bottom: 0; border-width: 4px; border-radius: 22px; }
  .cta-in { flex-direction: column; align-items: flex-start; }
  .foot-in { grid-template-columns: 1fr 1fr; }
  .diagram { grid-template-columns: 1fr; text-align: center; }
  .dg-col { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
  .dg-arrow { transform: rotate(90deg); justify-self: center; }
  .grid3 { grid-template-columns: 1fr; }
  .sec { padding: 64px 0; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .cards, .feat, .flow, .steps, .proto, .row2, .two-col { grid-template-columns: 1fr; }
  .foot-in { grid-template-columns: 1fr; }
  .phones .shot-phone { width: 46%; } .phones .shot-phone:nth-child(2) { margin-top: 40px; }
  .shot-tilt { transform: none; }
  .sub-head { flex-direction: column; gap: 14px; }
  .btn-lg { width: 100%; }
  .hero-cta .btn { width: 100%; }
  .protocols { margin-top: 40px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }