/* =====================================================================
   scannen-und-archivieren.de — modern stylesheet (self-contained)
   CaRD GmbH product site. No frameworks, no external assets.
   ===================================================================== */

:root {
  --ink:        #0f1b2d;   /* near-black navy text */
  --ink-2:      #3a4a60;   /* secondary text */
  --muted:      #6b7a90;
  --line:       #e4e9f0;
  --bg:         #ffffff;
  --bg-soft:    #f5f8fc;
  --bg-soft-2:  #eef3fa;

  --brand:      #0971b7;   /* CaRD blue */
  --brand-700:  #075a92;
  --brand-900:  #0a3a5e;
  --accent:     #ef6c1a;   /* warm orange accent */
  --accent-700: #cf5708;
  --teal:       #0fa3a3;

  --navy:       #0c2238;   /* deep section background */
  --navy-2:     #102b45;

  --radius:     16px;
  --radius-sm:  10px;
  --shadow:     0 1px 2px rgba(15,27,45,.04), 0 8px 30px rgba(15,27,45,.07);
  --shadow-lg:  0 30px 60px -20px rgba(9,113,183,.35);
  --maxw:       1180px;
  --space:      clamp(64px, 9vw, 120px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: 'Open Sans', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Poppins', system-ui, sans-serif;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 .5em;
  font-weight: 700;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); }
h3 { font-size: 1.3rem; }
p  { margin: 0 0 1rem; color: var(--ink-2); }

a { color: var(--brand-700); text-decoration: none; }
a:hover { color: var(--accent-700); }

img, svg { max-width: 100%; }

.wrap { width: min(var(--maxw), 92vw); margin-inline: auto; }
.section { padding-block: var(--space); }
.section-sm { padding-block: clamp(40px, 6vw, 72px); }
.bg-soft { background: var(--bg-soft); }
.bg-soft-2 { background: linear-gradient(180deg, var(--bg-soft) 0%, #fff 100%); }
.center { text-align: center; }
.lead { font-size: 1.18rem; color: var(--ink-2); max-width: 62ch; }
.center .lead { margin-inline: auto; }

.eyebrow {
  display: inline-block;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand-700);
  margin-bottom: .9rem;
}
.eyebrow.on-dark { color: #6fc3f5; }

/* ---- buttons ---- */
.btn {
  --c: var(--brand);
  display: inline-flex; align-items: center; gap: .55em;
  font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 1rem;
  padding: .85em 1.5em; border-radius: 999px;
  border: 2px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  text-align: center; line-height: 1;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 10px 24px -8px rgba(239,108,26,.6); }
.btn-primary:hover { background: var(--accent-700); color: #fff; transform: translateY(-2px); }
.btn-secondary { background: var(--brand); color: #fff; }
.btn-secondary:hover { background: var(--brand-700); color: #fff; transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-700); }
.btn-ghost.on-dark { color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost.on-dark:hover { border-color: #fff; background: rgba(255,255,255,.08); color:#fff; }
.btn-lg { font-size: 1.05rem; padding: 1em 1.8em; }

.btn-row { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.6rem; }
.center .btn-row { justify-content: center; }

/* =====================================================================
   Header
   ===================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; gap: 1.2rem;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: .6rem; font-family: 'Poppins', sans-serif; font-weight: 700; color: var(--ink); font-size: 1.05rem; }
.brand img { height: 34px; width: auto; display: block; }
.brand .brand-sub { font-weight: 500; color: var(--muted); font-size: .8rem; display:block; line-height:1; margin-top:2px; letter-spacing:.02em; }
.nav-links { display: flex; align-items: center; gap: 1.4rem; margin-left: auto; }
.nav-links a { color: var(--ink-2); font-weight: 600; font-size: .96rem; font-family:'Poppins',sans-serif; }
.nav-links a:hover { color: var(--brand-700); }
.nav-cta { display: flex; align-items: center; gap: .8rem; }
.lang-switch { display: flex; gap: .15rem; font-family:'Poppins',sans-serif; font-size:.85rem; font-weight:600; border:1px solid var(--line); border-radius:999px; padding:3px; }
.lang-switch a { padding: .25em .7em; border-radius: 999px; color: var(--muted); }
.lang-switch a.active { background: var(--brand); color: #fff; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; margin-left: auto; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: .25s; }

@media (max-width: 1080px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; margin-left: 0; }
  .nav-cta { margin-left: auto; }
  .site-header.open .nav-links {
    display: flex; flex-direction: column; align-items: flex-start;
    position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 1.2rem 4vw; gap: 1rem; margin: 0;
  }
  .site-header.open .nav-toggle span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .site-header.open .nav-toggle span:nth-child(2){ opacity: 0; }
  .site-header.open .nav-toggle span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
  .site-header.open .nav-links .btn-primary { display: none; }
}
@media (max-width: 560px) {
  .nav-cta .btn-primary { display: none; }
  .brand .brand-sub { display: none; }
}

/* =====================================================================
   Hero
   ===================================================================== */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(9,113,183,.12), transparent 60%),
    radial-gradient(800px 400px at 0% 110%, rgba(239,108,26,.08), transparent 55%),
    var(--bg);
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center; padding-block: clamp(56px, 8vw, 96px);
}
.hero h1 span { color: var(--brand); }
.hero .lead { margin-top: 1.2rem; }
.hero-badges { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.6rem; }
.pill {
  display: inline-flex; align-items: center; gap: .45em;
  background: var(--bg-soft-2); color: var(--brand-900);
  border: 1px solid var(--line); border-radius: 999px;
  padding: .4em .9em; font-size: .85rem; font-weight: 600; font-family:'Poppins',sans-serif;
}
.pill svg { width: 16px; height: 16px; color: var(--teal); }

@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 460px; margin-inline: auto; }
}

/* hero illustration card */
.hero-art { position: relative; }
.flowcard {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 1.4rem;
}
.flowcard svg { width: 100%; height: auto; display: block; }

/* photographic hero shot + showcase images */
.hero-shot {
  width: 100%; height: auto; display: block; aspect-ratio: 1672 / 941;
  border-radius: var(--radius); border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}
.shot-figure { margin: 0; }
.shot-figure img {
  width: 100%; height: auto; display: block; aspect-ratio: 1672 / 941;
  border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.shot-figure:hover img { transform: translateY(-4px); box-shadow: 0 24px 48px -20px rgba(15,27,45,.3); }
.shot-figure figcaption {
  margin-top: .9rem; color: var(--ink-2); font-size: .95rem;
  font-family: 'Poppins', sans-serif; font-weight: 600;
}

/* =====================================================================
   Trust bar
   ===================================================================== */
.trustbar { border-block: 1px solid var(--line); background: var(--bg-soft); }
.trustbar .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding-block: 2.2rem; text-align: center; }
.trustbar .num { font-family:'Poppins',sans-serif; font-weight: 800; font-size: clamp(1.7rem, 3vw, 2.3rem); color: var(--brand); line-height:1; }
.trustbar .lbl { color: var(--muted); font-size: .9rem; margin-top: .35rem; }
@media (max-width: 640px){ .trustbar .wrap { grid-template-columns: repeat(2,1fr); gap:1.6rem 1rem; } }

/* =====================================================================
   Section heads
   ===================================================================== */
.sec-head { max-width: 64ch; }
.center .sec-head { margin-inline: auto; }

/* =====================================================================
   Feature / product cards
   ===================================================================== */
.grid { display: grid; gap: 1.4rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px){ .grid-3, .grid-4 { grid-template-columns: repeat(2,1fr);} }
@media (max-width: 620px){ .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr;} }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -18px rgba(15,27,45,.22); border-color: #cfe0f1; }
.card h3 { margin-top: .2rem; }
.card p { margin-bottom: 0; font-size: .97rem; }
.ico {
  width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-900)); color: #fff;
  margin-bottom: 1rem;
}
.ico.accent { background: linear-gradient(135deg, var(--accent), var(--accent-700)); }
.ico.teal { background: linear-gradient(135deg, var(--teal), #0b7c7c); }
.ico svg { width: 26px; height: 26px; }

.card-tag { font-size:.72rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--accent-700); }

/* =====================================================================
   Split feature blocks
   ===================================================================== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4rem); align-items: center; }
.split.reverse .split-media { order: 2; }
@media (max-width: 880px){ .split { grid-template-columns: 1fr; } .split.reverse .split-media { order: 0; } }

.checklist { list-style: none; padding: 0; margin: 1.2rem 0 0; display: grid; gap: .8rem; }
.checklist li { display: flex; gap: .7rem; align-items: flex-start; color: var(--ink-2); }
.checklist li::before {
  content: ""; flex: 0 0 22px; height: 22px; margin-top: 2px; border-radius: 50%;
  background:
    var(--brand) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/13px no-repeat;
}
.checklist.accent li::before { background-color: var(--accent); }

/* =====================================================================
   CaRD Connector highlight
   ===================================================================== */
.connector {
  background:
    radial-gradient(900px 500px at 90% 0%, rgba(111,195,245,.16), transparent 55%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #dce6f2;
}
.connector h2, .connector h3 { color: #fff; }
.connector p { color: #b6c6da; }
.connector .card { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.12); box-shadow:none; }
.connector .card:hover { border-color: rgba(111,195,245,.5); }
.connector .card h3 { color:#fff; }
.connector .card p { color:#aebfd4; }
.connector .checklist li { color:#dce6f2; }
.badge-strip { display:flex; flex-wrap:wrap; gap:.6rem; margin-top:1.4rem; }
.badge-strip span {
  border:1px solid rgba(255,255,255,.18); border-radius:999px; padding:.4em .9em;
  font-size:.84rem; font-weight:600; font-family:'Poppins',sans-serif; color:#cfe0f1;
}

/* =====================================================================
   Logo / partner band
   ===================================================================== */
.cardlogo-lockup { text-align: center; margin-bottom: 2.6rem; }
.cardlogo-lockup img { height: 54px; width: auto; }
.cardlogo-lockup .k {
  display: block; margin-top: .9rem; color: var(--muted);
  font-family: 'Poppins', sans-serif; font-weight: 600; font-size: .92rem;
}
.logo-band {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: clamp(1.6rem, 4.5vw, 3.4rem);
}
.logo-band img { width: auto; object-fit: contain; display: block; }
.logo-band.badges img { height: 58px; }
.logo-band.platforms img { height: 34px; opacity: .82; transition: opacity .2s ease; }
.logo-band.platforms img:hover { opacity: 1; }
.logo-band-label {
  text-align: center; margin: 2.8rem 0 1.4rem;
  font-family: 'Poppins', sans-serif; font-weight: 600; font-size: .78rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
}
@media (max-width: 520px){
  .logo-band.badges img { height: 46px; }
  .logo-band.platforms img { height: 28px; }
}

/* =====================================================================
   Compatibility matrix
   ===================================================================== */
.compat { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (max-width: 720px){ .compat { grid-template-columns: 1fr; } }
.compat-item {
  display:flex; gap:.9rem; align-items:flex-start;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:1.1rem 1.2rem;
}
.compat-item .dot { flex:0 0 10px; height:10px; border-radius:50%; background:var(--teal); margin-top:8px; }
.compat-item strong { font-family:'Poppins',sans-serif; display:block; color:var(--ink); }
.compat-item span { font-size:.92rem; color:var(--muted); }

/* =====================================================================
   Steps
   ===================================================================== */
.steps { counter-reset: step; display:grid; grid-template-columns:repeat(4,1fr); gap:1.4rem; }
@media (max-width: 900px){ .steps { grid-template-columns:repeat(2,1fr);} }
@media (max-width: 520px){ .steps { grid-template-columns:1fr;} }
.step { position:relative; padding-top:.5rem; }
.step .n {
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--bg-soft-2);color:var(--brand-700);font-family:'Poppins',sans-serif;font-weight:800;font-size:1.2rem;
  border:1px solid var(--line); margin-bottom:.8rem;
}
.step h3 { font-size:1.1rem; }
.step p { font-size:.95rem; margin-bottom:0; }

/* =====================================================================
   FAQ
   ===================================================================== */
.faq { max-width: 820px; margin-inline:auto; }
.faq details {
  border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:.2rem 1.2rem; margin-bottom:.8rem; background:#fff;
}
.faq details[open] { border-color:#cfe0f1; box-shadow:var(--shadow); }
.faq summary {
  list-style:none; cursor:pointer; padding:1rem 0; font-family:'Poppins',sans-serif;
  font-weight:600; color:var(--ink); display:flex; justify-content:space-between; gap:1rem; align-items:center;
}
.faq summary::-webkit-details-marker { display:none; }
.faq summary::after { content:"+"; font-size:1.5rem; color:var(--brand); transition:transform .2s; line-height:1; }
.faq details[open] summary::after { transform:rotate(45deg); }
.faq details p { padding-bottom:1rem; margin:0; }

/* =====================================================================
   Contact
   ===================================================================== */
.contact-grid { display:grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem,5vw,3.5rem); align-items:start; }
@media (max-width: 880px){ .contact-grid { grid-template-columns:1fr; } }
.contact-info .ci-item { display:flex; gap:.8rem; align-items:flex-start; margin-bottom:1.1rem; }
.contact-info .ci-item svg { width:22px;height:22px;color:var(--brand); flex:0 0 22px; margin-top:3px; }
.contact-info a { color:var(--ink-2); font-weight:600; }

.form { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding: clamp(1.4rem, 3vw, 2.2rem); box-shadow:var(--shadow); }
.form .field { margin-bottom: 1.1rem; }
.form label { display:block; font-weight:600; font-family:'Poppins',sans-serif; font-size:.9rem; margin-bottom:.4rem; color:var(--ink); }
.form input, .form select, .form textarea {
  width:100%; padding:.8em .9em; border:1px solid var(--line); border-radius:var(--radius-sm);
  font:inherit; color:var(--ink); background:var(--bg-soft); transition:border-color .15s, box-shadow .15s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline:none; border-color:var(--brand); box-shadow:0 0 0 3px rgba(9,113,183,.15); background:#fff;
}
.form textarea { resize:vertical; min-height:130px; }
.form .row2 { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
@media (max-width:520px){ .form .row2 { grid-template-columns:1fr; } }
.hp { position:absolute !important; left:-9999px !important; width:1px; height:1px; overflow:hidden; }
.consent { display:flex; gap:.6rem; align-items:flex-start; font-size:.9rem; color:var(--ink-2); }
.consent input { width:auto; margin-top:5px; }
.form-note { font-size:.85rem; color:var(--muted); margin-top:.8rem; }
.alert { padding:.9rem 1.1rem; border-radius:var(--radius-sm); margin-bottom:1.2rem; font-size:.95rem; }
.alert-ok { background:#e7f7ee; color:#0d6b3f; border:1px solid #b6e6cb; }
.alert-err { background:#fdecec; color:#b3261e; border:1px solid #f6c5c2; }

/* =====================================================================
   Footer
   ===================================================================== */
.site-footer { background: var(--navy); color:#aebfd4; padding-block: clamp(48px,7vw,80px) 2rem; }
.site-footer h4 { color:#fff; font-size:1rem; margin-bottom:1rem; }
.footer-grid { display:grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap:2rem; }
@media (max-width:860px){ .footer-grid { grid-template-columns:1fr 1fr; gap:2rem 1.4rem; } }
@media (max-width:520px){ .footer-grid { grid-template-columns:1fr; } }
.site-footer a { color:#aebfd4; }
.site-footer a:hover { color:#fff; }
.site-footer ul { list-style:none; padding:0; margin:0; display:grid; gap:.6rem; }
.footer-brand img { height:34px; margin-bottom:1rem; }
.footer-cardlogo {
  display:inline-block; background:#fff; border-radius:10px;
  padding:12px 16px; margin-bottom:1.1rem; line-height:0;
}
.footer-cardlogo img { height:30px; width:auto; margin:0; }
.footer-brand p { color:#90a3bd; font-size:.93rem; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.1); margin-top:2.5rem; padding-top:1.5rem; display:flex; flex-wrap:wrap; gap:.6rem 1.5rem; justify-content:space-between; font-size:.85rem; color:#7e92ae; }
.footer-bottom a { color:#7e92ae; }
.footer-legal-note { font-size:.78rem; color:#62748f; margin-top:1rem; max-width:80ch; }

/* page hero for legal pages */
.page-hero { background: linear-gradient(160deg, var(--navy), var(--navy-2)); color:#fff; padding-block: clamp(56px,8vw,90px); }
.page-hero h1 { color:#fff; }
.page-hero .crumbs { color:#9fb6d2; font-size:.9rem; margin-bottom:.8rem; }
.page-hero .crumbs a { color:#cfe0f1; }
.prose { max-width: 820px; }
.prose h2 { margin-top:2rem; }
.prose h3 { margin-top:1.6rem; }
.prose p, .prose li { color:var(--ink-2); }

/* reveal-on-scroll */
.reveal { opacity:0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .reveal { opacity:1; transform:none; transition:none; } html{scroll-behavior:auto;} }