/* ==========================================================================
   Logo — Echo-SG (1:1 aus logo-reference.html)
   ========================================================================== */

.sg-logo {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--s, 30px) * 0.6);
  text-decoration: none;
}

/* Lade-Animation: Logo-Block blendet per reinem CSS mit Fade + leichtem Rise ein
   (funktioniert auch ohne JavaScript), danach folgen Vordergrund/Echo1/Echo2
   gestaffelt per JS (siehe logo.js). Reduced-motion wird global in base.css abgefangen. */
.sg-logo--animate {
  animation-name: sg-logo-reveal;
  animation-duration: 1000ms;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
  animation-fill-mode: both;
}

@keyframes sg-logo-reveal {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.sg-logo--animate .sg-icon span {
  transition-property: opacity;
  transition-duration: 600ms;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.sg-icon {
  --s: 30px;
  position: relative;
  width: calc(var(--s) * 2.22);
  height: calc(var(--s) * 1.69);
  flex-shrink: 0;
}

.sg-icon span {
  position: absolute;
  font-family: var(--sg-font-ui);
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: var(--s);
  line-height: calc(var(--s) * 1.13);
  color: var(--sg-ink);
  transition: opacity var(--sg-transition);
}

.sg-icon .sg-fg {
  left: 0;
  top: 0;
  z-index: 3;
}

.sg-icon .sg-e2 {
  left: calc(var(--s) * 0.54);
  top: calc(var(--s) * 0.46);
  opacity: 0.1;
  z-index: 1;
}

.sg-icon .sg-e1 {
  left: calc(var(--s) * 0.27);
  top: calc(var(--s) * 0.23);
  opacity: 0.3;
  z-index: 2;
}

.sg-icon.sg-icon--bronze .sg-e1 {
  color: var(--sg-bronze);
  opacity: 0.65;
}

.sg-icon.sg-icon--bronze .sg-e2 {
  color: var(--sg-bronze);
  opacity: 0.25;
}

.sg-on-dark .sg-icon span {
  color: var(--sg-paper);
}

.sg-on-dark .sg-icon.sg-icon--bronze .sg-e1 {
  color: var(--sg-bronze-light);
  opacity: 0.7;
}

.sg-on-dark .sg-icon.sg-icon--bronze .sg-e2 {
  color: var(--sg-bronze-light);
  opacity: 0.28;
}

.sg-name {
  font-family: var(--sg-font-script);
  font-size: calc(var(--s, 30px) * 1.2);
  line-height: 1;
  white-space: nowrap;
  color: var(--sg-ink);
}

.sg-on-dark .sg-name {
  color: var(--sg-paper);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.sg-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--sg-radius);
  font-size: 15px;
  font-weight: 700;
  border: 1.5px solid var(--sg-bronze);
  color: var(--sg-ink);
  background: transparent;
  cursor: pointer;
  transition: background var(--sg-transition-fast), color var(--sg-transition-fast), border-color var(--sg-transition-fast), transform var(--sg-transition-fast);
}

.sg-btn:hover,
.sg-btn:focus-visible {
  background: var(--sg-bronze-deep);
  border-color: var(--sg-bronze-deep);
  color: var(--sg-white);
}

.sg-btn:active {
  transform: translateY(1px);
}

.sg-btn--solid {
  background: var(--sg-bronze-deep);
  border-color: var(--sg-bronze-deep);
  color: var(--sg-white);
}

.sg-btn--solid:hover,
.sg-btn--solid:focus-visible {
  background: var(--sg-ink);
  border-color: var(--sg-ink);
}

.sg-on-dark .sg-btn {
  color: var(--sg-paper);
  border-color: var(--sg-bronze-light);
}

.sg-on-dark .sg-btn:hover,
.sg-on-dark .sg-btn:focus-visible {
  background: var(--sg-bronze-light);
  border-color: var(--sg-bronze-light);
  color: var(--sg-ink);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.sg-card {
  background: var(--sg-white);
  border: 1px solid var(--sg-border);
  border-radius: var(--sg-radius);
}

.sg-on-dark .sg-card {
  background: rgba(250, 249, 247, 0.05);
  border-color: var(--sg-border-dark);
}

.sg-on-dark .sg-card--transparent {
  background: rgba(250, 249, 247, 0.06);
  backdrop-filter: none;
}

.sg-link-underline {
  position: relative;
  transition: color var(--sg-transition-fast);
}

.sg-link-underline:hover,
.sg-link-underline:focus-visible {
  color: var(--sg-bronze-deep);
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */

.sg-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--sg-border);
}

.sg-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.sg-nav {
  display: none;
}

.sg-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
}

.sg-nav a {
  font-size: 14px;
  font-weight: 600;
  color: var(--sg-ink);
  transition: color var(--sg-transition-fast);
}

.sg-nav a:hover,
.sg-nav a:focus-visible {
  color: var(--sg-bronze-deep);
}

.sg-nav .sg-btn {
  padding: 10px 20px;
  font-size: 13px;
}

.sg-nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--sg-border);
  border-radius: var(--sg-radius);
}

.sg-nav-toggle span,
.sg-nav-toggle span::before,
.sg-nav-toggle span::after {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: var(--sg-ink);
  position: relative;
  transition: transform var(--sg-transition-fast), opacity var(--sg-transition-fast);
}

.sg-nav-toggle span::before {
  position: absolute;
  top: -6px;
}

.sg-nav-toggle span::after {
  position: absolute;
  top: 6px;
}

.sg-nav-toggle[aria-expanded='true'] span {
  background: transparent;
}

.sg-nav-toggle[aria-expanded='true'] span::before {
  transform: translateY(6px) rotate(45deg);
}

.sg-nav-toggle[aria-expanded='true'] span::after {
  transform: translateY(-6px) rotate(-45deg);
}

.sg-mobile-nav {
  display: none;
  border-top: 1px solid var(--sg-border);
  padding: 20px var(--sg-section-pad-x) 28px;
}

.sg-mobile-nav.is-open {
  display: block;
}

.sg-mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sg-mobile-nav a {
  font-size: 16px;
  font-weight: 600;
}

.sg-mobile-nav .sg-btn {
  margin-top: 8px;
}

@media (min-width: 860px) {
  .sg-nav {
    display: flex;
    align-items: center;
    gap: 32px;
  }

  .sg-nav-toggle {
    display: none;
  }

  .sg-mobile-nav {
    display: none !important;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.sg-footer {
  background: var(--sg-ink);
  color: var(--sg-paper);
}

.sg-footer a {
  transition: color var(--sg-transition-fast);
}

.sg-footer a:hover,
.sg-footer a:focus-visible {
  color: var(--sg-bronze-light);
}

.sg-footer__top {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-top: 64px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--sg-border-dark);
}

.sg-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 14px;
  color: var(--sg-text-muted-dark);
}

.sg-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
  padding-bottom: 32px;
  font-size: 13px;
  color: var(--sg-text-muted-dark);
}

@media (min-width: 640px) {
  .sg-footer__top {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .sg-footer__bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* ==========================================================================
   Badges / Pills (Genre-Filter)
   ========================================================================== */

.sg-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--sg-border);
  font-size: 13px;
  font-weight: 600;
  color: var(--sg-ink);
  background: var(--sg-white);
  cursor: pointer;
  transition: background var(--sg-transition-fast), border-color var(--sg-transition-fast), color var(--sg-transition-fast);
}

.sg-pill:hover,
.sg-pill:focus-visible {
  border-color: var(--sg-bronze);
}

.sg-pill.is-active {
  background: var(--sg-ink);
  border-color: var(--sg-ink);
  color: var(--sg-paper);
}

.sg-on-dark .sg-pill {
  background: transparent;
  border-color: var(--sg-border-dark);
  color: var(--sg-paper);
}

.sg-on-dark .sg-pill:hover,
.sg-on-dark .sg-pill:focus-visible {
  border-color: var(--sg-bronze-light);
}

.sg-on-dark .sg-pill.is-active {
  background: var(--sg-bronze-light);
  border-color: var(--sg-bronze-light);
  color: var(--sg-ink);
}

/* ==========================================================================
   Icons (Leistungen)
   ========================================================================== */

.sg-icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--sg-radius);
  border: 1px solid var(--sg-border);
  color: var(--sg-bronze-deep);
  margin-bottom: 20px;
}

.sg-icon-badge svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
}