/* carstenbender.com - Custom Styles (ergänzt Tailwind CDN) */

:root {
  --bg-base: #0A0A0A;
  --bg-surface: #141414;
  --bg-elevated: #1F1F1F;
  --border-subtle: #262626;
  --border-strong: #404040;
  --text-primary: #FAFAFA;
  --text-secondary: #A1A1A1;
  --text-muted: #737373;
  --accent: #BEF264;
  --accent-hover: #A3E635;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  background: var(--bg-base);
  color: var(--text-primary);
  margin: 0;
  font-feature-settings: 'cv11', 'ss01';
  letter-spacing: -0.01em;
}

::selection {
  background: var(--accent);
  color: var(--bg-base);
}

/* Typography refinements */
h1, h2, h3, h4 {
  letter-spacing: -0.02em;
  font-weight: 600;
}

.mono {
  font-family: 'JetBrains Mono', 'Geist Mono', ui-monospace, monospace;
}

/* Section labels (01 - Wer ich bin etc.) */
.section-label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ============================================================
   Logo monochrome treatment - pro Hintergrund-Typ
   ============================================================

   .logo-mono-light    - Logos mit DUNKLEM Background + HELLEN Elementen
                         (Heartbeat, Sonova, Ninox, Kinderheldin)
                         → mix-blend-mode lichtet dunkle BG-Flächen aus

   .logo-mono-invert   - Logos mit HELLEM Background + DUNKLEN Elementen
                         (Fernarzt, Dr. SAM, BodyFast, Vaay, HY Studio)
                         → invert flippt erst, dann mix-blend-mode räumt auf

   .logo-mono-boost    - Logos mit DUNKLEM Background + DUNKLEN Elementen
                         (Gymondo - Text ist zu dunkel ohne Boost)
                         → brightness lift macht das Logo erst sichtbar

   ============================================================ */

.logo-mono-light,
.logo-mono-invert,
.logo-mono-boost {
  opacity: 0.65;
  transition: opacity 200ms ease-out, filter 200ms ease-out;
}

.logo-mono-light:hover,
.logo-mono-invert:hover,
.logo-mono-boost:hover {
  opacity: 1;
}

.logo-mono-light {
  mix-blend-mode: lighten;
  filter: grayscale(1);
}

.logo-mono-invert {
  mix-blend-mode: lighten;
  filter: invert(1) grayscale(1);
}

.logo-mono-boost {
  mix-blend-mode: lighten;
  filter: grayscale(1) brightness(2.5) contrast(1.1);
}

/* CTA buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: var(--bg-base);
  padding: 0.875rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: background 150ms ease-out, transform 150ms ease-out;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--text-primary);
  padding: 0.875rem 1.5rem;
  border-radius: 6px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--border-strong);
  transition: border-color 150ms ease-out;
}

.btn-secondary:hover {
  border-color: var(--text-primary);
}

/* Service cards */
.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 2rem;
  transition: border-color 200ms ease-out;
}

.service-card:hover {
  border-color: var(--border-strong);
}

.detail-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: 0;
}

.detail-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.detail-box li {
  padding: 0.25rem 0;
}

/* Contact tiles (Email / LinkedIn / WhatsApp) */
.contact-tile {
  display: block;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 2rem 1.75rem;
  text-decoration: none;
  color: var(--text-primary);
  position: relative;
  transition: border-color 200ms ease-out, transform 200ms ease-out, background 200ms ease-out;
}

.contact-tile:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  background: var(--bg-elevated);
}

.contact-tile-icon {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  transition: color 200ms ease-out;
}

.contact-tile:hover .contact-tile-icon {
  color: var(--accent);
}

.contact-tile-label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.contact-tile-value {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.4;
  word-break: break-word;
}

.contact-tile-arrow {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: var(--text-muted);
  transition: color 200ms ease-out, transform 200ms ease-out;
}

.contact-tile:hover .contact-tile-arrow {
  color: var(--accent);
  transform: translate(2px, -2px);
}

/* ============================================================
   Process Steps (vertikal gestapelt)
   ============================================================ */
.process-step {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2.5rem;
  margin-top: 3rem;
}
.process-step:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}
.process-step-number {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.process-step-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.process-step-meta {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
  letter-spacing: 0;
}
.process-step-body {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}
.process-step-body p {
  margin-bottom: 1rem;
}
.process-step-body p:last-child {
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .process-step-title { font-size: 1.875rem; }
}

/* ============================================================
   FAQ Accordion (HTML5 native <details>)
   ============================================================ */
.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}
.faq-item:first-of-type {
  border-top: 1px solid var(--border-subtle);
}

.faq-item summary {
  cursor: pointer;
  padding: 1.5rem 0;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color 200ms ease-out;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::marker { display: none; }

.faq-item summary:hover {
  color: var(--accent);
}

.faq-item summary::after {
  content: '+';
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 1.5rem;
  color: var(--text-muted);
  transition: transform 200ms ease-out, color 200ms ease-out;
  flex-shrink: 0;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: '−';
  color: var(--accent);
}

.faq-item[open] summary {
  color: var(--accent);
}

.faq-answer {
  padding: 0 0 1.75rem 0;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
}
.faq-answer p,
.faq-answer ul {
  margin-bottom: 1rem;
}
.faq-answer p:last-child,
.faq-answer ul:last-child {
  margin-bottom: 0;
}
.faq-answer ul {
  padding-left: 1.5rem;
  list-style: disc;
}
.faq-answer li {
  margin-bottom: 0.4rem;
}
.faq-answer strong {
  color: var(--text-primary);
  font-weight: 600;
}

@media (min-width: 768px) {
  .faq-item summary { font-size: 1.25rem; }
}

/* ============================================================
   Blog / Article
   ============================================================ */
.back-link {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 150ms ease-out;
}
.back-link:hover { color: var(--accent); }

.article-meta {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0;
}

.article { color: var(--text-secondary); }
.article > p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin: 0 0 1.5rem;
}
.article > p.lead {
  font-size: 1.3rem;
  color: var(--text-primary);
  line-height: 1.7;
}
.article h2 {
  font-size: 1.75rem;
  color: var(--text-primary);
  margin: 3.5rem 0 1.25rem;
  letter-spacing: -0.02em;
  scroll-margin-top: 2rem;
}
.article h3 {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin: 2rem 0 0.75rem;
}
.article strong { color: var(--text-primary); font-weight: 600; }
.article a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.article a:hover { color: var(--accent-hover); }
.article ul, .article ol {
  margin: 0 0 1.5rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.8;
}
.article ol { list-style: decimal; }
.article ul { list-style: disc; }
.article li { margin-bottom: 0.6rem; }

/* Blockquotes (Zitate, z. B. One-Liner & Kundensprache) */
.article blockquote {
  margin: 1.5rem 0;
  padding: 0.4rem 0 0.4rem 1.25rem;
  border-left: 3px solid var(--border-strong);
}
.article blockquote p {
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-primary);
}

/* Eingebetteter File-Ausschnitt (sieht aus wie die .md-HTML-Ansicht) */
.md-excerpt {
  margin: 2rem 0;
  padding: 1.75rem 2rem;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
}
.md-excerpt__title {
  display: inline-block;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 0.4rem;
  padding-bottom: 0.55rem;
  border-bottom: 2px solid var(--accent);
}
.md-excerpt__meta { margin: 0 0 1.5rem; font-style: italic; color: var(--text-muted); font-size: 0.9rem; }
.md-excerpt h4 { font-size: 1.1rem; font-weight: 600; color: var(--text-primary); margin: 1.6rem 0 0.5rem; }
.md-excerpt p { font-size: 1rem; line-height: 1.6; margin: 0 0 0.7rem; color: var(--text-secondary); }
.md-excerpt strong { color: var(--text-primary); font-weight: 600; }
.md-excerpt ul { margin: 0 0 0.8rem; padding-left: 1.3rem; font-size: 1rem; color: var(--text-secondary); list-style: disc; }
.md-excerpt li { margin-bottom: 0.3rem; }
@media (max-width: 640px) { .md-excerpt { padding: 1.25rem; } .md-excerpt__title { font-size: 1.4rem; } }

/* Article figures */
.article-figure { margin: 2.5rem 0; }
.article-figure .frame {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1.25rem;
}
.article-figure img { display: block; width: 100%; height: auto; border-radius: 4px; }
.article-figure.stat .frame { display: inline-block; padding: 0; border: none; background: none; }
.article-figure.stat img { max-width: 380px; }
.article-figure figcaption {
  margin-top: 0.85rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Responsive flow diagram (HTML — mobile-friendly, replaces wide SVG) */
.flow { display: flex; gap: 0.75rem; align-items: stretch; margin: 0; }
.flow__step {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 1rem 1.1rem;
}
.flow__step--accent { border-color: var(--accent); }
.flow__num {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.8rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.4rem;
}
.flow__step h4 { font-size: 1.05rem; color: var(--text-primary); margin: 0 0 0.2rem; font-weight: 600; }
.flow__step p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.45; }
.flow__arrow {
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 1.2rem; flex-shrink: 0;
}
.flow__note {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.8rem; color: var(--text-muted);
  text-align: center; margin: 0.85rem 0 0;
}
.flow__cycle {
  display: inline-flex; align-items: center; gap: 0.4rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.78rem;
}

/* Responsive vertical pipeline (HTML) */
.pipeline { display: flex; flex-direction: column; gap: 0.5rem; margin: 0; }
.pipeline__step {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 0.9rem 1.1rem;
  display: flex; gap: 0.85rem; align-items: flex-start;
}
.pipeline__num {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  color: var(--text-secondary); font-size: 0.85rem; flex-shrink: 0;
  line-height: 1.6;
}
.pipeline__step h4 { font-size: 1rem; margin: 0 0 0.15rem; color: var(--text-primary); font-weight: 600; }
.pipeline__step p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.45; }
.pipeline__gate {
  align-self: center; max-width: 100%;
  border: 1px solid var(--accent); border-radius: 999px;
  padding: 0.35rem 1.1rem;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.78rem; color: var(--accent);
  letter-spacing: 0.03em; text-align: center;
}
.pipeline__live {
  align-self: center; background: var(--accent); color: var(--bg-base);
  font-family: 'JetBrains Mono', ui-monospace, monospace; font-weight: 600;
  border-radius: 6px; padding: 0.5rem 1.6rem; font-size: 0.85rem; margin-top: 0.15rem;
}

/* Mobile: stack flows, drop figure-frame padding so images get bigger */
@media (max-width: 640px) {
  .flow { flex-direction: column; gap: 0.5rem; }
  .flow__arrow { transform: rotate(90deg); padding: 0.15rem 0; }
  .article-figure .frame { padding: 0; }
}

/* Article table */
.article-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  margin: 2rem 0;
  font-size: 1rem;
}
.article-table th, .article-table td {
  text-align: left;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  line-height: 1.5;
}
.article-table thead th {
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  font-weight: 600;
}
.article-table tbody tr:last-child td { border-bottom: none; }
.article-table td:first-child { color: var(--accent); font-weight: 600; white-space: nowrap; }
.article-table .cmp { font-family: 'JetBrains Mono', ui-monospace, monospace; color: var(--text-secondary); }

/* Mobile: Tabellen als gestapelte Karten (kein horizontales Scrollen) */
@media (max-width: 640px) {
  .article-table { border: none; background: none; border-radius: 0; }
  .article-table thead { display: none; }
  .article-table tr {
    display: block;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 0.35rem 0;
    margin-bottom: 0.75rem;
  }
  .article-table td {
    display: block;
    border-bottom: none;
    padding: 0.45rem 1.1rem;
    white-space: normal;
  }
  .article-table td:first-child { white-space: normal; }
  .article-table td::before {
    content: attr(data-label);
    display: block;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.15rem;
  }
}

/* Callout */
.callout {
  background: var(--bg-surface);
  border-left: 3px solid var(--border-strong);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.callout--insight { border-left-color: var(--accent); }
.callout__label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.6rem;
}
.callout p { margin: 0; color: var(--text-primary); font-size: 1.1rem; line-height: 1.7; }

/* Sources list */
.article .sources { font-size: 0.95rem; line-height: 1.7; }
.article .sources li { margin-bottom: 0.5rem; color: var(--text-secondary); }

/* Author box (E-E-A-T) */
.author-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1.5rem 1.75rem;
  margin: 2.5rem 0 0;
}
.author-box__label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-muted); margin: 0 0 0.6rem;
}
.author-box p:last-child { margin: 0; color: var(--text-secondary); font-size: 1rem; line-height: 1.7; }
.author-box strong { color: var(--text-primary); }

/* Blog index post cards */
.post-card {
  display: block;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 2rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: border-color 200ms ease-out, transform 200ms ease-out;
}
.post-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.post-card .post-meta {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}
.post-card h3 { font-size: 1.4rem; margin: 0 0 0.75rem; color: var(--text-primary); }
.post-card:hover h3 { color: var(--accent); }
.post-card p { color: var(--text-secondary); line-height: 1.6; margin: 0; font-size: 1rem; }

/* Marquee for mobile proof strip */
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-track {
  display: flex;
  gap: 3rem;
  animation: marquee 40s linear infinite;
  width: max-content;
}

/* ============================================================
   Landing: Audit-Scope-Grid + Formular
   ============================================================ */
.audit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 640px) { .audit-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .audit-grid { grid-template-columns: repeat(3, 1fr); } }

.audit-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1.5rem;
  transition: border-color 200ms ease-out, transform 200ms ease-out;
}
.audit-item:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.audit-item__num {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.7rem;
}
.audit-item h3 { font-size: 1.1rem; color: var(--text-primary); margin: 0 0 0.4rem; font-weight: 600; }
.audit-item p { margin: 0; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.55; }

/* Formular */
.audit-form { display: grid; gap: 1.25rem; max-width: 640px; }
.form-row { display: grid; gap: 0.5rem; }
.form-row label {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-row input,
.form-row textarea {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1rem;
  letter-spacing: -0.01em;
  transition: border-color 150ms ease-out;
}
.form-row input::placeholder,
.form-row textarea::placeholder { color: var(--text-muted); }
.form-row input:focus,
.form-row textarea:focus { outline: none; border-color: var(--accent); }
.form-row textarea { resize: vertical; min-height: 120px; line-height: 1.6; }
.form-hp { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-submit { justify-self: start; border: none; cursor: pointer; font-size: 1rem; }
.form-note { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; margin: 0; }
.form-note a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}