/* ===========================================================
   Performatic Intelligence — Stylesheet
   Design-System-Tokens aus dem Claude-Design-Canvas übernommen
   (Variante 1a — sachlich/zahlengetrieben). Schriften Barlow /
   Barlow Condensed werden lokal selbst gehostet (kein Google-
   Fonts-CDN-Aufruf, aus Datenschutzgründen bewusst so gewählt).
   =========================================================== */

@font-face {
  font-family: 'Barlow';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/barlow-400-latin.woff2") format('woff2');
}
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/barlow-condensed-600-latin.woff2") format('woff2');
}

:root {
  --color-bg: #f2f2f3;
  --color-surface: #e9e9ea;
  --color-text: #1d1f20;
  --color-accent: #5980a6;
  --color-accent-2: #728fab;
  --color-divider: color-mix(in srgb, #1d1f20 16%, transparent);

  --color-neutral-100: #f5f5f8;
  --color-neutral-200: #e7e7ea;
  --color-neutral-300: #d4d4d7;
  --color-neutral-400: #b7b7ba;
  --color-neutral-500: #98989b;
  --color-neutral-600: #7a7a7d;
  --color-neutral-700: #5d5d60;
  --color-neutral-800: #424244;
  --color-neutral-900: #2b2b2d;

  --color-accent-100: #eef6ff;
  --color-accent-200: #d6ebff;
  --color-accent-300: #b5d9fd;
  --color-accent-400: #94bce3;
  --color-accent-500: #749dc4;
  --color-accent-600: #597ea3;
  --color-accent-700: #416180;
  --color-accent-800: #2c455d;
  --color-accent-900: #1d2d3d;

  --font-heading: "Barlow Condensed", system-ui, sans-serif;
  --font-heading-weight: 600;
  --font-body: "Barlow", system-ui, sans-serif;

  --space-1: 3.4px;
  --space-2: 6.8px;
  --space-3: 10.2px;
  --space-4: 13.6px;
  --space-6: 20.4px;
  --space-8: 27.2px;

  --radius-md: 4px;

  --shadow-sm: 0 1px 2px color-mix(in srgb, #2b2b2d 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2b2b2d 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2b2b2d 22%, transparent);

  --max-width: 1180px;
}

* , *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: var(--color-accent-700); text-underline-offset: 3px; }
a:hover { color: var(--color-accent-900); }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.01em; margin: 0 0 var(--space-2);
}
p { margin: 0 0 var(--space-3); }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }

/* — blueprint / corner-marker component (Kernstück des visuellen Stils) — */
.blueprint {
  position: relative;
  border: 1px solid var(--color-divider);
}
.blueprint > .corner {
  position: absolute; width: 11px; height: 11px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.blueprint > .corner::before, .blueprint > .corner::after {
  content: ""; position: absolute; background: currentColor;
}
.blueprint > .corner::before { left: 5px; top: 0; width: 1px; height: 100%; }
.blueprint > .corner::after  { top: 5px; left: 0; width: 100%; height: 1px; }
.blueprint > .corner.tl { top: -6px; left: -6px; }
.blueprint > .corner.tr { top: -6px; right: -6px; }
.blueprint > .corner.bl { bottom: -6px; left: -6px; }
.blueprint > .corner.br { bottom: -6px; right: -6px; }
.blueprint.dashed { border-style: dashed; }

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 15px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid var(--color-divider);
  padding: 11px 20px; border-radius: var(--radius-md);
}
.btn-primary { background: var(--color-accent); color: var(--color-bg); border-color: var(--color-accent); }
.btn-primary:hover { background: var(--color-accent-600); color: var(--color-bg); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-block { width: 100%; }

/* — forms — */
.field > label {
  display: block; font-size: 12px; margin-bottom: 5px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.input {
  width: 100%; min-height: 38px; padding: 8px 12px; font: inherit;
  font-size: 14.5px; color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 90px; resize: vertical; }
.field-dark > label { color: var(--color-accent-200); }
.field-dark .input { background: var(--color-accent-800); border-color: var(--color-accent-700); color: var(--color-bg); }

/* — layout shell — */
.eyebrow {
  font-family: var(--font-heading); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--color-accent-700); margin-bottom: 10px;
}
.eyebrow.on-dark { color: var(--color-accent-300); }

/* — phase banner (Marktsondierungs-Hinweis) — */
.phase-banner { background: var(--color-neutral-900); color: var(--color-neutral-100); }
.phase-banner .container { padding-top: 11px; padding-bottom: 11px; }
.phase-banner p { margin: 0; font-size: 13.5px; text-align: center; font-family: var(--font-body); }
.phase-banner strong { color: #fff; }

/* — header / nav — */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-divider);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.logo {
  font-family: var(--font-heading); font-size: 19px; letter-spacing: 0.05em;
  text-transform: uppercase; text-decoration: none; color: var(--color-text);
}
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a:not(.btn) { color: var(--color-text); text-decoration: none; font-size: 14.5px; }
.main-nav a:not(.btn):hover { color: var(--color-accent-700); }
.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; background: none; border: none; cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--color-text); }

/* — hero — */
.hero { padding: 84px 0 68px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: start; }
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); margin: 6px 0 20px; }
.hero-sub { font-size: 18px; line-height: 1.6; max-width: 48ch; color: var(--color-neutral-800); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.hero-fineprint { font-size: 13px; color: var(--color-neutral-600); margin-top: 16px; }

.datasheet { padding: 26px 24px; }
.datasheet-title {
  font-family: var(--font-heading); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--color-neutral-600); margin-bottom: 16px;
}
.datasheet-row {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 12px 0; border-top: 1px solid var(--color-divider);
  font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-neutral-600);
}
.datasheet-row span.val {
  font-family: var(--font-heading); font-size: 16px; letter-spacing: normal;
  text-transform: none; color: var(--color-text);
}
.datasheet-row.highlight {
  background: var(--color-neutral-900); color: var(--color-neutral-100);
  padding-inline: 14px; margin-inline: -14px; border-bottom: 1px solid var(--color-divider);
}
.datasheet-row.highlight span.val { color: var(--color-neutral-100); }

/* — section shell — */
.section { padding: 60px 0; }
.section-head {
  display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap;
  border-top: 1px solid var(--color-divider); padding-top: 40px; margin-bottom: 30px;
}
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2rem); margin: 0; }
.section-head span { font-size: 14px; color: var(--color-neutral-600); }
.section-first .section-head { border-top: none; padding-top: 0; }

/* — capability / pricing cards (Leistungen & Preise) — */
.card-grid { display: grid; gap: 22px; }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.bp-card { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.bp-card .num { font-family: var(--font-heading); font-size: 12px; letter-spacing: 0.14em; color: var(--color-accent-700); }
.bp-card h3 { font-size: 22px; margin: 0; }
.bp-card p.desc { margin: 0; font-size: 14.5px; color: var(--color-neutral-800); flex: 1; }
.bp-card .price { font-family: var(--font-heading); font-size: 30px; margin: 4px 0 0; }
.bp-card .price span { font-size: 13px; font-weight: 400; color: var(--color-neutral-600); }
.bp-card .soon {
  text-align: center; font-size: 13px; font-weight: 600; color: var(--color-neutral-600);
  border: 1px dashed var(--color-divider); border-radius: var(--radius-md);
  padding: 10px; margin-top: auto;
}

.section-more { margin-top: 22px; text-align: center; font-size: 14px; }
.section-more a { font-weight: 600; }

/* — Starter-Begleitung callout — */
.starter-card { padding: 34px 32px; background: var(--color-accent-100); border-color: var(--color-accent-300); }
.starter-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items: start; }
.starter-card h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
.starter-card .desc { font-size: 15px; color: var(--color-neutral-800); }
.starter-card .soon { display: inline-block; margin-top: 6px; }
.starter-features { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.starter-features li {
  position: relative; padding-left: 26px; font-size: 14.5px; color: var(--color-neutral-800);
}
.starter-features li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--color-accent-700); font-weight: 700;
}

/* — dark contrast band — */
.band-dark {
  background: var(--color-neutral-900); color: var(--color-neutral-100);
  padding: 46px 0;
}
.band-dark h2 { color: var(--color-neutral-100); }
.band-grid { display: grid; grid-template-columns: 1fr 0.9fr; gap: 48px; align-items: center; }
.band-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.band-compare .lbl { font-family: var(--font-heading); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 6px; }
.band-compare .old .lbl { color: var(--color-neutral-400); }
.band-compare .old div.txt { color: var(--color-neutral-300); font-size: 15px; }
.band-compare .new .lbl { color: var(--color-accent-300); }
.band-compare .new div.txt { color: var(--color-neutral-100); font-size: 15px; }

/* — Account-Audit / Kontakt band — */
.band-accent { background: var(--color-accent-900); color: var(--color-bg); padding: 56px 0; }
.band-accent h2 { color: var(--color-bg); }
.band-accent .lede { color: var(--color-accent-200); font-size: 16px; max-width: 50ch; }
.lead-form { display: flex; flex-direction: column; gap: 14px; }
.lead-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.lead-form .full { grid-column: 1 / -1; }
.consent { font-size: 12.5px; color: var(--color-accent-200); }
.consent label { display: flex; gap: 8px; align-items: flex-start; }
.consent a { color: var(--color-accent-100); }
.form-status { text-align: center; margin-top: 6px; font-weight: 600; padding: 10px; border-radius: var(--radius-md); }
.form-status.ok { background: #e4f9d6; color: #2c5b0e; }
.form-status.error { background: #fde2e2; color: #8a1f1f; }

/* — FAQ — */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border: 1px solid var(--color-divider); border-radius: var(--radius-md); padding: 16px 22px; margin-bottom: 10px; }
.faq-item summary { cursor: pointer; font-family: var(--font-heading); font-weight: 600; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; float: right; color: var(--color-accent-700); }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin-top: 10px; color: var(--color-neutral-700); font-size: 14.5px; }

/* — footer — */
.site-footer { padding: 24px 0; font-size: 13px; color: var(--color-neutral-600); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.footer-nav { display: flex; gap: 20px; }
.footer-nav a { color: var(--color-neutral-600); }

/* — responsive — */
@media (max-width: 900px) {
  .hero-grid, .band-grid { grid-template-columns: 1fr; }
  .band-compare { grid-template-columns: 1fr; }
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .card-grid-3 { grid-template-columns: 1fr; }
  .lead-form-grid { grid-template-columns: 1fr; }
  .starter-grid { grid-template-columns: 1fr; gap: 22px; }
}
@media (max-width: 720px) {
  .main-nav {
    position: absolute; top: 74px; left: 0; right: 0;
    background: var(--color-bg); border-bottom: 1px solid var(--color-divider);
    flex-direction: column; align-items: flex-start; padding: 18px 24px 24px; gap: 16px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .card-grid-4 { grid-template-columns: 1fr; }
  .section { padding: 44px 0; }
  .hero { padding: 56px 0 44px; }
  .starter-card { padding: 26px 22px; }
}

/* — Leistungen-Detailseite — */
.page-intro { padding: 56px 0 20px; }
.page-intro .eyebrow { margin-bottom: 10px; }
.page-intro h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 14px; }
.page-intro p { font-size: 17px; max-width: 62ch; color: var(--color-neutral-800); }

.leistung-block {
  display: grid; grid-template-columns: 90px 1fr; gap: 26px;
  border-top: 1px solid var(--color-divider); padding: 36px 0;
}
.leistung-block:first-of-type { border-top: none; }
.leistung-block .num-lg {
  font-family: var(--font-heading); font-size: 44px; color: var(--color-accent-300); line-height: 1;
}
.leistung-block h2 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); margin-bottom: 10px; }
.leistung-block .lede { font-size: 15.5px; color: var(--color-neutral-800); max-width: 68ch; }
.leistung-detail-list { margin: 16px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; max-width: 68ch; }
.leistung-detail-list li { position: relative; padding-left: 22px; font-size: 14.5px; color: var(--color-neutral-800); }
.leistung-detail-list li::before { content: "–"; position: absolute; left: 0; color: var(--color-accent-700); }

.starter-block { background: var(--color-accent-100); border-radius: var(--radius-md); padding: 40px 32px; margin: 30px 0; }
.starter-block .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 22px; }
.starter-block .step { font-size: 14px; }
.starter-block .step .n { font-family: var(--font-heading); font-size: 12px; letter-spacing: 0.12em; color: var(--color-accent-700); display: block; margin-bottom: 4px; }

.tier-block { border-top: 1px solid var(--color-divider); padding: 30px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
.tier-block:first-of-type { border-top: none; }
.tier-block .tier-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.tier-block h3 { font-size: 20px; margin: 0; }
.tier-block .price { font-family: var(--font-heading); font-size: 22px; color: var(--color-accent-700); }
.tier-block .price span { font-size: 12.5px; font-weight: 400; color: var(--color-neutral-600); }
.tier-block .soon-inline { font-size: 12.5px; font-weight: 600; color: var(--color-neutral-600); }
.tier-block p { font-size: 14.5px; color: var(--color-neutral-800); margin: 8px 0 0; }

@media (max-width: 720px) {
  .leistung-block { grid-template-columns: 1fr; }
  .starter-block .steps { grid-template-columns: 1fr; }
  .tier-block { grid-template-columns: 1fr; }
}

/* — Impressum / Datenschutz — */
.legal-page { max-width: 780px; margin: 0 auto; padding: 60px 24px 96px; }
.legal-page h1 { font-size: 1.8rem; }
.legal-page h2 { font-size: 1.1rem; margin-top: 32px; }
.legal-page a.back-link { display: inline-block; margin-bottom: 28px; font-weight: 600; }