/* ============================================================
   KPS-Berlin.de – subpage.css
   Gemeinsame Stile für alle Unterseiten
   ============================================================ */

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding-block: 1rem;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--t-fast);
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep {
  color: var(--text-muted);
  font-size: 0.7rem;
}
.breadcrumb-current { color: var(--accent); font-weight: 500; }

/* ---------- Subpage Hero ---------- */
.sub-hero {
  position: relative;
  padding-block: 5rem 4rem;
  overflow: hidden;
}
.sub-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, var(--accent-glow), transparent 70%);
  pointer-events: none;
}
.sub-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.sub-hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  padding: 0.35rem 0.9rem;
  margin-bottom: 1.5rem;
}
.sub-hero-label svg { flex-shrink: 0; }
.sub-hero-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}
.sub-hero-title .gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sub-hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 640px;
  margin-bottom: 2rem;
}
.sub-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.sub-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-glass-light);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0.35rem 0.75rem;
}
.sub-meta-badge svg { color: var(--accent); }

/* ---------- Subpage Sections ---------- */
.sub-section {
  padding-block: 4rem;
}
.sub-section + .sub-section {
  border-top: 1px solid var(--border);
}
.sub-section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.sub-section-title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.25;
}
.sub-section-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.85;
  max-width: 720px;
}
.sub-section-text + .sub-section-text { margin-top: 1rem; }

/* ---------- Two-Column Layout ---------- */
.sub-two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}
@media (min-width: 768px) {
  .sub-two-col { grid-template-columns: 1fr 1fr; }
  .sub-two-col.wide { grid-template-columns: 3fr 2fr; }
}

/* ---------- Process Steps ---------- */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2rem;
}
.process-step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.25rem;
  position: relative;
  padding-bottom: 2rem;
}
.process-step:last-child { padding-bottom: 0; }
.process-step:last-child .step-line { display: none; }
.step-left {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.step-num {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--accent-subtle);
  border: 2px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-mono);
  flex-shrink: 0;
  z-index: 1;
}
.step-line {
  width: 2px;
  flex: 1;
  background: linear-gradient(to bottom, var(--border-accent), transparent);
  margin-top: 0.5rem;
}
.step-content { padding-top: 0.6rem; }
.step-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}
.step-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ---------- Info Cards (Vorteile/Features) ---------- */
.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2rem;
}
@media (min-width: 480px) { .info-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .info-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; } }
.info-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.4rem;
  transition: border-color var(--t-base), transform var(--t-base);
}
.info-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}
.info-card-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--accent-subtle);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 0.9rem;
}
.info-card-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}
.info-card-text {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- Highlight Box ---------- */
.highlight-box {
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  border-left: 4px solid var(--accent);
  border-radius: var(--r-md);
  padding: 1.5rem 1.75rem;
  margin-block: 2rem;
}
.highlight-box-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.highlight-box-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}
.highlight-box-text strong { color: var(--text-primary); }

/* ---------- FAQ Accordion ---------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
}
.faq-item {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--t-base);
}
.faq-item.open { border-color: var(--border-accent); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font-base);
  transition: color var(--t-fast);
}
.faq-question:hover { color: var(--accent); }
.faq-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform var(--t-base), color var(--t-base);
}
.faq-item.open .faq-chevron { transform: rotate(180deg); color: var(--accent); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding var(--t-base);
}
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer-inner {
  padding: 0 1.4rem 1.25rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ---------- Stat Row ---------- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-top: 2rem;
}
@media (min-width: 640px) { .stat-row { grid-template-columns: repeat(4, 1fr); } }
.stat-cell {
  background: var(--bg-surface);
  padding: 1.5rem 1.25rem;
  text-align: center;
}
.stat-cell-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.stat-cell-value span { color: var(--accent); font-size: 1.2rem; }
.stat-cell-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-accent);
  border-radius: var(--r-xl);
  padding: 2.5rem 2rem;
  text-align: center;
  margin-top: 3rem;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 100%, var(--accent-glow), transparent 70%);
  pointer-events: none;
}
.cta-banner-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  position: relative;
}
.cta-banner-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  position: relative;
}
.cta-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  position: relative;
}

/* ---------- Back Link ---------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--t-base);
  margin-bottom: 0.5rem;
}
.back-link:hover { gap: 0.75rem; }

/* ---------- Tag List ---------- */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.tag-list .tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  padding: 0.3rem 0.75rem;
}

/* ---------- Sibling Nav (Prev/Next) ---------- */
.sibling-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.sibling-link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.1rem 1.25rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color var(--t-base), transform var(--t-base);
}
.sibling-link:hover { border-color: var(--border-accent); transform: translateY(-2px); }
.sibling-link.next { text-align: right; }
.sibling-dir {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.sibling-link.next .sibling-dir { justify-content: flex-end; }
.sibling-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* ---------- AOS for subpages ---------- */
[data-aos] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive Padding ---------- */
@media (min-width: 768px) {
  .sub-hero { padding-block: 7rem 5rem; }
  .sub-section { padding-block: 5rem; }
}


/* ============================================================
   ÜBER-MICH SEITE
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
}

.about-photo-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
  max-width: 340px;
}
.about-photo {
  width: 100%;
  border-radius: 16px;
  object-fit: cover;
  aspect-ratio: 1/1;
  border: 2px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  display: block;
}
.about-photo-badge {
  position: absolute;
  bottom: -12px;
  right: -12px;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 4px 16px rgba(99,102,241,0.4);
  white-space: nowrap;
}
.about-contact-quick {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.75rem;
  flex-wrap: wrap;
}
.about-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  transition: all var(--t-base);
  flex: 1;
  justify-content: center;
}
.about-contact-btn:hover { background: var(--accent); color: #fff; }
.about-contact-btn.secondary { border-color: var(--border); color: var(--text-secondary); }
.about-contact-btn.secondary:hover { border-color: var(--accent); color: var(--accent); }

.about-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  margin-bottom: 1rem;
}
.about-name {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  line-height: 1.2;
}
.about-bio {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
  font-size: 1rem;
}
.about-skills {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}
.about-skill-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color var(--t-base);
}
.about-skill-item:hover { border-color: var(--accent); }
.about-skill-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(99,102,241,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.about-skill-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}
.about-skill-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Info-Alert */
.info-alert {
  display: flex;
  gap: 1.5rem;
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: 16px;
  padding: 2rem;
  align-items: flex-start;
}
@media (max-width: 600px) {
  .info-alert { flex-direction: column; gap: 1rem; }
}
.info-alert-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(99,102,241,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.info-alert-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}
.info-alert-text {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}