/* displaysync.de — nach ARENJA Brand Guidelines „Sharp Light“ (v3): Weiß, schwarze Schrift,
   Teal nur als Akzent, Kanten 0–4 px, Rahmen statt Schatten, Inter. Kein Dark Mode.
   Abweichung mit Grund: Knöpfe in --primary-dark statt --primary — weiße Schrift auf #00c9a7
   hat nur 2,1:1 Kontrast (WCAG verlangt 3:1 für große Schrift), auf #009b7d 3,5:1. Teal als
   Textfarbe nur als --teal-text (5,8:1). */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/fonts/inter-latin-wght-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/fonts/inter-latin-ext-wght-normal.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg: #ffffff;
  --surface: #f5f6f7;
  --surface-2: #eeeff1;
  --ink: #0a0a0a;
  --ink-2: #3f3f46;
  --muted: #6b7280;
  --line: #e4e4e7;
  --primary: #00c9a7;
  --primary-hover: #00b396;
  --primary-dark: #009b7d;
  --primary-deep: #007f67;
  --primary-tint: #e6faf6;
  --teal-text: #00735e;
  --error: #dc2626;
  --success: #059669;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: ui-monospace, 'JetBrains Mono', SFMono-Regular, Menlo, monospace;
  --wrap: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body { margin: 0; background: var(--bg); color: var(--ink-2); font: 400 1rem/1.6 var(--font); text-rendering: optimizeLegibility; }
img, svg { max-width: 100%; height: auto; display: block; }
figure { margin: 0; }
a { color: var(--teal-text); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
h1, h2, h3 { color: var(--ink); letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); font-weight: 800; line-height: 1.07; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); font-weight: 700; line-height: 1.12; }
h3 { font-size: 1.25rem; font-weight: 700; line-height: 1.25; }
p { margin: 0; }
ul { margin: 0; padding: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: #fff; padding: 10px 14px; z-index: 100; }
.skip:focus { left: 8px; }

/* ── Kopf ─────────────────────────────────────────────────────────────── */
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); }
.header-row { display: flex; align-items: center; gap: 28px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; flex-shrink: 0; }
.logo-mark { flex-shrink: 0; }
.brand-name { font-weight: 800; font-size: 1.2rem; letter-spacing: -0.02em; }
.nav-desktop { margin-left: auto; }
.nav-desktop ul { display: flex; gap: 4px; list-style: none; }
.nav-desktop a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; color: var(--ink); text-decoration: none; font-weight: 500; font-size: 0.97rem; border-bottom: 2px solid transparent; }
.nav-desktop a:hover { border-bottom-color: var(--primary); color: var(--ink); }
.nav-desktop a[aria-current="page"] { border-bottom-color: var(--ink); font-weight: 650; }
.nav-mobile { display: none; margin-left: auto; position: relative; }
.nav-mobile summary { list-style: none; display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 12px; border: 1.5px solid var(--ink); border-radius: 4px; cursor: pointer; font-weight: 600; color: var(--ink); }
.nav-mobile summary::-webkit-details-marker { display: none; }
.burger, .burger::before, .burger::after { display: block; width: 18px; height: 2px; background: var(--ink); position: relative; content: ''; }
.burger::before { position: absolute; top: -6px; }
.burger::after { position: absolute; top: 6px; }
.nav-mobile[open] summary { background: var(--ink); color: #fff; }
.nav-mobile[open] .burger, .nav-mobile[open] .burger::before, .nav-mobile[open] .burger::after { background: #fff; }
.nav-mobile nav { position: absolute; right: 0; top: calc(100% + 8px); width: min(88vw, 320px); background: #fff; border: 1.5px solid var(--ink); border-radius: 4px; box-shadow: 0 4px 16px rgba(10, 10, 10, 0.08); padding: 6px; }
.nav-mobile ul { list-style: none; }
.nav-mobile a { display: flex; align-items: center; min-height: 48px; padding: 0 14px; color: var(--ink); text-decoration: none; font-weight: 600; border-bottom: 1px solid var(--line); }
.nav-mobile li:last-child a { border-bottom: none; }
.header-cta { white-space: nowrap; }
@media (max-width: 1080px) {
  .nav-desktop { display: none; }
  .nav-mobile { display: block; margin-left: 0; }
  .header-row { gap: 12px; }
  /* Knopf rechts neben „Menü“ statt direkt hinter dem Logo (Tablet-Ansicht). */
  .header-cta { margin-left: auto; }
}
/* Höhere Spezifität: .btn (weiter unten) setzt display und gewann sonst — der Knopf drückte am
   Handy das Menü aus dem Bild. */
@media (max-width: 520px) { .site-header .header-cta { display: none; } .site-header .nav-mobile { margin-left: auto; } }

.crumbs { display: flex; gap: 8px; padding-top: 22px; font-size: 0.875rem; color: var(--muted); }
.crumbs a { color: var(--muted); }

/* ── Knöpfe ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; min-height: 52px; padding: 0 1.5rem;
  font: 700 1.1875rem/1.2 var(--font); letter-spacing: -0.01em; border-radius: 4px; border: 1.5px solid transparent;
  text-decoration: none; cursor: pointer; transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn--primary { background: var(--primary-dark); color: #fff; }
.btn--primary:hover { background: var(--primary-deep); color: #fff; }
.btn--secondary { background: #fff; color: var(--ink); border-color: var(--ink); }
.btn--secondary:hover { background: var(--ink); color: #fff; }
.btn--sm { min-height: 44px; padding: 0 1rem; font-size: 1rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ── Abschnitte ───────────────────────────────────────────────────────── */
.section { padding: 88px 0; border-top: 1px solid var(--line); }
.section--surface { background: var(--surface); }
.section--tight { padding: 56px 0; }
.eyebrow { display: inline-block; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--teal-text); margin-bottom: 14px; }
.lead { font-size: 1.2rem; line-height: 1.55; color: var(--ink-2); max-width: 720px; }
.section-head { display: flex; flex-direction: column; gap: 14px; margin-bottom: 44px; max-width: 760px; }
.prose { max-width: 760px; }
.prose p + p, .prose p + ul, .prose ul + p { margin-top: 1rem; }
.prose h2 { margin: 2.2rem 0 0.8rem; font-size: 1.6rem; }
.prose h3 { margin: 1.6rem 0 0.5rem; }
.prose ul { padding-left: 1.2rem; }
.prose li + li { margin-top: 0.35rem; }

/* ── Kopfbereich (Hero) ───────────────────────────────────────────────── */
.hero { padding: 64px 0 72px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.hero h1 { margin-bottom: 20px; }
.hero .lead { margin-bottom: 30px; }
.hero-figure { border: 1px solid var(--line); border-radius: 4px; background: #fff; }
.trust { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 56px; border: 1px solid var(--line); border-radius: 4px; }
.trust li { list-style: none; padding: 18px 20px; border-left: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; }
.trust li:first-child { border-left: none; }
.trust strong { color: var(--ink); font-size: 0.98rem; }
.trust span { font-size: 0.9rem; color: var(--muted); }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .trust { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust li:nth-child(3) { border-left: none; }
  .trust li:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 520px) {
  .trust { grid-template-columns: minmax(0, 1fr); }
  .trust li { border-left: none; border-top: 1px solid var(--line); }
  .trust li:first-child { border-top: none; }
}

/* ── Karten und Raster ────────────────────────────────────────────────── */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .grid-2, .grid-3 { grid-template-columns: minmax(0, 1fr); } }
.card { background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: 26px; display: flex; flex-direction: column; gap: 10px; }
a.card { text-decoration: none; color: var(--ink-2); }
a.card:hover { border-color: var(--primary); color: var(--ink-2); }
.card h3 { font-size: 1.15rem; }
.card .more { margin-top: auto; padding-top: 8px; color: var(--teal-text); font-weight: 600; }
.icon { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border: 1.5px solid var(--ink); border-radius: 4px; color: var(--ink); background: #fff; }
.icon svg { width: 24px; height: 24px; }
.card--figure { padding: 0; overflow: hidden; }
.card--figure .card-body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 8px; }
.card--figure img { border-bottom: 1px solid var(--line); }

/* Zweispaltig: Text + Bild */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.split + .split { margin-top: 88px; }
.split--flip > :first-child { order: 2; }
.split figure { margin: 0; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; background: #fff; }
.split figcaption { padding: 10px 14px; font-size: 0.85rem; color: var(--muted); border-top: 1px solid var(--line); }
@media (max-width: 900px) {
  .split { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .split--flip > :first-child { order: 0; }
}
.checks { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-top: 22px; }
.checks li { position: relative; padding-left: 32px; }
.checks li::before { content: ''; position: absolute; left: 0; top: 5px; width: 18px; height: 18px; border: 1.5px solid var(--ink); border-radius: 2px; background: var(--primary-tint); }
.checks li::after { content: ''; position: absolute; left: 5px; top: 8px; width: 8px; height: 5px; border-left: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(-45deg); }
.checks strong { color: var(--ink); }

/* Schritte */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 4px; background: #fff; }
.steps li { list-style: none; counter-increment: step; padding: 26px 24px; border-left: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; }
.steps li:first-child { border-left: none; }
.steps li::before { content: counter(step, decimal-leading-zero); font: 700 0.95rem var(--mono); color: var(--teal-text); }
@media (max-width: 900px) {
  .steps { grid-template-columns: minmax(0, 1fr); }
  .steps li { border-left: none; border-top: 1px solid var(--line); }
  .steps li:first-child { border-top: none; }
}

/* FAQ */
.faq { border-top: 1.5px solid var(--ink); max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 4px; font-weight: 650; color: var(--ink); font-size: 1.08rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font: 400 1.6rem/1 var(--font); color: var(--ink); flex-shrink: 0; }
.faq details[open] summary::after { content: '−'; }
.faq .answer { padding: 0 4px 22px; max-width: 760px; }
.faq .answer p + p { margin-top: 0.8rem; }

/* Aufruf am Ende */
.cta-band { border: 2px solid var(--ink); border-radius: 4px; padding: 44px; display: flex; justify-content: space-between; align-items: center; gap: 28px; flex-wrap: wrap; background: #fff; }
.cta-band h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.cta-band p { margin-top: 8px; }
@media (max-width: 640px) { .cta-band { padding: 26px 22px; } }

/* Hinweis-Kästen */
.note { border: 1px solid var(--line); border-left: 4px solid var(--primary); background: var(--surface); padding: 16px 18px; border-radius: 2px; }

/* ── Formular ─────────────────────────────────────────────────────────── */
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; }
.form .span-2 { grid-column: 1 / -1; }
@media (max-width: 640px) { .form { grid-template-columns: minmax(0, 1fr); } }
.field { display: flex; flex-direction: column; gap: 7px; font-weight: 600; color: var(--ink); font-size: 0.95rem; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 50px; padding: 0.7rem 0.9rem; background: var(--surface); color: var(--ink);
  border: 1px solid #c9ccd1; border-radius: 2px; font: 400 1rem var(--font);
}
.field textarea { min-height: 150px; resize: vertical; line-height: 1.5; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary-dark); background: #fff; box-shadow: inset 0 0 0 1px var(--primary-dark); }
.field .hint { font-weight: 400; color: var(--muted); font-size: 0.85rem; }
.consent { display: flex; gap: 12px; align-items: flex-start; font-size: 0.95rem; color: var(--ink-2); }
.consent input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--primary-dark); flex-shrink: 0; }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.form-status { padding: 14px 16px; border-radius: 2px; font-weight: 600; }
.form-status[hidden] { display: none; }
.form-status--ok { background: var(--primary-tint); border: 1px solid var(--primary-dark); color: var(--ink); }
.form-status--err { background: #fef2f2; border: 1px solid var(--error); color: #991b1b; }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 48px; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } }
.contact-card { border: 1px solid var(--line); border-radius: 4px; padding: 26px; display: flex; flex-direction: column; gap: 14px; background: var(--surface); }
.contact-card a { font-weight: 600; }

/* ── Fuß ──────────────────────────────────────────────────────────────── */
.site-footer { border-top: 1.5px solid var(--ink); margin-top: 88px; padding: 56px 0 28px; font-size: 0.95rem; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)); gap: 32px; }
.footer-brand p { margin-top: 14px; max-width: 360px; }
.footer-title { font-weight: 700; color: var(--ink); margin-bottom: 10px; text-transform: uppercase; font-size: 0.78rem; letter-spacing: 0.08em; }
.site-footer ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.site-footer a { color: var(--ink-2); text-decoration: none; }
.site-footer a:hover { color: var(--ink); text-decoration: underline; }
.footer-bottom { position: relative; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 44px; padding-top: 20px; color: var(--muted); font-size: 0.875rem; }
.footer-bottom::before { content: ''; position: absolute; left: 20px; right: 20px; top: 0; border-top: 1px solid var(--line); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: minmax(0, 1fr); } }

/* ── Kleinkram ────────────────────────────────────────────────────────── */
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.center { text-align: center; }
.mt-lg { margin-top: 44px; }
.mt-sm { margin-top: 14px; }
.small { font-size: 0.875rem; }
.h-card { font-size: 1.3rem; }
.page-head { padding: 28px 0 56px; }
.page-head h1 { margin: 6px 0 18px; max-width: 900px; }
.legal h2 { font-size: 1.35rem; margin: 2rem 0 0.6rem; }
.legal h3 { font-size: 1.1rem; margin: 1.4rem 0 0.4rem; }
.legal p, .legal li { max-width: 780px; }
.legal ul { padding-left: 1.2rem; }
.legal p + p { margin-top: 0.8rem; }
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero { padding: 36px 0 48px; }
  .lead { font-size: 1.08rem; }
  .btn { width: 100%; }
  .btn-row { flex-direction: column; }
  .header-cta.btn { width: auto; }
}