/* ============================================================
   COMPONENTS – Banner, Header, Nav, Buttons, Cards, Footer
   ============================================================ */

/* ---- Prototype Banner ------------------------------------ */

.prototype-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  height: var(--banner-height);
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  text-align: center;
  padding: 7px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
}

/* ---- Site Header ----------------------------------------- */

.site-header {
  position: fixed;
  top: var(--banner-height);
  left: 0;
  right: 0;
  z-index: 1000;
  min-height: var(--header-height);
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 24px;
}

/* ---- Logo ------------------------------------------------ */

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  flex-shrink: 0;
  transition: opacity var(--transition);
}

.logo:hover {
  opacity: 0.8;
}

/* ---- Desktop Navigation ---------------------------------- */

.main-nav {
  display: none;
}

@media (min-width: 768px) {
  .main-nav {
    display: flex;
    align-items: center;
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-dark);
  position: relative;
  transition: color var(--transition);
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ---- Hamburger Button ------------------------------------ */

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.hamburger:hover {
  background: var(--color-light);
}

.hamburger span {
  display: block;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), width var(--transition);
  transform-origin: center;
}

.hamburger span:nth-child(1) { width: 22px; }
.hamburger span:nth-child(2) { width: 16px; }
.hamburger span:nth-child(3) { width: 22px; }

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  width: 22px;
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  width: 22px;
}

@media (min-width: 768px) {
  .hamburger {
    display: none;
  }
}

/* ---- Mobile Nav Overlay ---------------------------------- */

.mobile-nav-overlay {
  position: fixed;
  top: calc(var(--banner-height) + var(--header-height));
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  z-index: 999;
  padding: 24px var(--container-pad) 48px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--transition), transform var(--transition);
}

.mobile-nav-overlay.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-dark);
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
  letter-spacing: -0.02em;
  transition: color var(--transition);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
}

/* ---- Buttons --------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(54, 52, 253, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-light);
  box-shadow: 0 4px 14px rgba(54, 52, 253, 0.15);
}

.btn-full {
  width: 100%;
}

/* ---- Eyebrow Labels -------------------------------------- */

.eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-wood);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.eyebrow-dark {
  display: block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

/* ---- Leistung Cards -------------------------------------- */

.leistung-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.leistung-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  display: block;
  font-size: 2rem;
  margin-bottom: 20px;
  line-height: 1;
}

.leistung-card h3 {
  color: var(--color-dark);
  margin-bottom: 10px;
}

.leistung-card p {
  font-size: 0.9375rem;
  color: var(--color-mid);
  line-height: 1.65;
}

/* ---- Referenz Cards -------------------------------------- */

.referenz-card {
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-light);
}

.referenz-img-wrap {
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.referenz-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}

.referenz-card:hover .referenz-img-wrap img {
  transform: scale(1.04);
}

.referenz-title {
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark);
}

/* ---- Team Cards ------------------------------------------ */

.team-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
  margin-bottom: 28px;
}

.team-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  flex: 1;
  min-width: 200px;
}

.team-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.team-card strong {
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-dark);
}

.team-card span {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-mid);
  margin-top: 2px;
}

/* ---- Innung Badge ---------------------------------------- */

.innung-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* ---- Contact Form ---------------------------------------- */

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.optional {
  font-weight: 400;
  color: var(--color-mid);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-dark);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #b0b0b0;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(54, 52, 253, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.6;
}

/* ---- Site Footer ----------------------------------------- */

.site-footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 36px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  align-items: center;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.footer-copy {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-link {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
}

.footer-link:hover {
  color: var(--color-white);
}

.footer-divider {
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.875rem;
}

/* ---- Scroll Reveal --------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}