/* ==================== LEISTUNGEN ==================== */
.sf-service-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(82,174,50,0.12);
  border-radius: 1rem;
  padding: 1.75rem 1.5rem;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.sf-service-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(82,174,50,0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(82,174,50,0.08);
}
.sf-service-card-emergency {
  border-color: rgba(249,115,22,0.2);
}
.sf-service-card-emergency:hover {
  border-color: rgba(249,115,22,0.4);
  box-shadow: 0 12px 40px rgba(249,115,22,0.1);
}
.sf-service-icon {
  width: 48px;
  height: 48px;
  border-radius: 0.75rem;
  background: rgba(82,174,50,0.1);
  border: 1px solid rgba(82,174,50,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.sf-service-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--sf-text);
  margin: 0 0 0.5rem 0;
}
.sf-service-desc {
  font-size: 0.85rem;
  color: var(--sf-text-muted);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}
.sf-service-price {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--sf-green);
  margin-top: 0.75rem;
}

/* ==================== KNX-VORTEILE ACCORDION ==================== */
.sf-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.sf-accordion-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(82,174,50,0.1);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: all 0.3s ease;
}
.sf-accordion-item:hover {
  border-color: rgba(82,174,50,0.2);
}
.sf-accordion-item.open {
  background: rgba(82,174,50,0.05);
  border-color: rgba(82,174,50,0.25);
}
.sf-accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.25rem;
  background: none;
  border: none;
  color: var(--sf-text);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: color 0.2s;
}
.sf-accordion-header:hover {
  color: var(--sf-green);
}
.sf-accordion-icon {
  width: 36px;
  height: 36px;
  border-radius: 0.5rem;
  background: rgba(82,174,50,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sf-accordion-arrow {
  color: var(--sf-text-muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.sf-accordion-item.open .sf-accordion-arrow {
  transform: rotate(180deg);
  color: var(--sf-green);
}
.sf-accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 1.25rem;
}
.sf-accordion-item.open .sf-accordion-body {
  max-height: 200px;
  padding: 0 1.25rem 1.25rem 1.25rem;
}
.sf-accordion-body p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--sf-text-muted);
  line-height: 1.7;
  padding-left: 3.25rem;
}

/* ==================== UEBER SVEN ==================== */
.sf-about-point {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--sf-text-muted);
}
.sf-about-point svg {
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .sf-about-grid {
    grid-template-columns: 1fr !important;
    text-align: center;
  }
  .sf-about-grid > div:first-child {
    order: -1;
  }
  .sf-about-point {
    justify-content: center;
  }
}

/* ==================== REFERENZEN ==================== */
.sf-ref-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(82,174,50,0.12);
  border-radius: 1rem;
  padding: 1.75rem 1.5rem;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.sf-ref-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(82,174,50,0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(82,174,50,0.08);
}
.sf-ref-icon {
  width: 56px;
  height: 56px;
  border-radius: 0.75rem;
  background: rgba(82,174,50,0.08);
  border: 1px solid rgba(82,174,50,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.sf-ref-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sf-green);
  border: 1px solid rgba(82,174,50,0.25);
  background: rgba(82,174,50,0.06);
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  margin-bottom: 0.75rem;
  width: fit-content;
}
.sf-ref-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--sf-text);
  margin: 0 0 0.5rem 0;
}
.sf-ref-desc {
  font-size: 0.85rem;
  color: var(--sf-text-muted);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}
.sf-ref-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--sf-text-muted);
  margin-top: 0.75rem;
}

/* Testimonial */
.sf-testimonial {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(82,174,50,0.12);
  border-radius: 1rem;
  padding: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}
.sf-testimonial::before {
  content: "\201C";
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 4rem;
  color: rgba(82,174,50,0.15);
  font-family: Georgia, serif;
  line-height: 1;
}

/* ==================== PARTNER ==================== */
.sf-knx-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(82,174,50,0.06);
  border: 1px solid rgba(82,174,50,0.2);
  border-radius: 0.75rem;
  padding: 0.75rem 1.5rem;
}
.sf-partner-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}
.sf-partner-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 1rem 1.5rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(82,174,50,0.08);
  border-radius: 0.75rem;
  min-width: 100px;
  transition: all 0.3s ease;
}
.sf-partner-item:hover {
  border-color: rgba(82,174,50,0.25);
  background: rgba(255,255,255,0.06);
}
.sf-partner-logo {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--sf-text);
  letter-spacing: 0.02em;
}
.sf-partner-sub {
  font-size: 0.65rem;
  color: var(--sf-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 767px) {
  .sf-partner-bar {
    gap: 0.75rem;
  }
  .sf-partner-item {
    padding: 0.75rem 1rem;
    min-width: 80px;
  }
  .sf-partner-logo {
    font-size: 0.9rem;
  }
}

/* ==================== KONTAKTFORMULAR ==================== */
.sf-input {
  width: 100%;
  padding: 0.65rem 0.9rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(82,174,50,0.15);
  border-radius: 0.5rem;
  color: var(--sf-text);
  font-size: 0.9rem;
  font-family: inherit;
  transition: all 0.2s ease;
  box-sizing: border-box;
}
.sf-input:focus {
  outline: none;
  border-color: var(--sf-green);
  box-shadow: 0 0 0 3px rgba(82,174,50,0.15);
  background: rgba(255,255,255,0.07);
}
.sf-input::placeholder {
  color: rgba(156,163,175,0.5);
}

/* Cyan Button (Portal) */
.sf-btn-cyan {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6,182,212,0.15);
  color: #22D3EE;
  border: 1px solid rgba(6,182,212,0.3);
  padding: 0.6rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  font-family: inherit;
}
.sf-btn-cyan:hover {
  background: rgba(6,182,212,0.25);
  border-color: rgba(6,182,212,0.5);
  transform: translateY(-1px);
}

/* Spinner animation */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Contact Grid responsive */
@media (max-width: 767px) {
  .sf-contact-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Contact Grid Desktop */
.sf-contact-grid {
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 767px) {
  .sf-contact-grid {
    grid-template-columns: 1fr !important;
  }
}