/* ==========================================================================
   BRICKCRAFT LAYOUT, BRIGHT HEADER, ROUNDED CARD FOOTER & TACTILE BUTTONS
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4.75rem 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-subtle);
}

.section-legacy {
  background-color: var(--legacy-surface);
  border-top: 1px solid var(--legacy-border);
  border-bottom: 1px solid var(--legacy-border);
}

/* Colorful 4-Brick Accent Bar */
.brick-color-bar {
  height: 5px;
  width: 100%;
  background: linear-gradient(
    90deg,
    var(--brick-red) 0% 25%,
    var(--brick-yellow) 25% 50%,
    var(--brick-green) 50% 75%,
    var(--brick-blue) 75% 100%
  );
}

/* Section Headers — Friendly, Bold & Human */
.section-header {
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.section-header-split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.spec-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--brick-blue);
  background: var(--brick-blue-soft);
  padding: 0.32rem 0.75rem;
  border-radius: var(--radius-pill);
}

.stud-cluster {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.stud-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--brick-blue);
  box-shadow: inset 0 1.5px 1px rgba(255, 255, 255, 0.55), 0 1px 2px var(--stud-shadow);
}

.stud-dot.red { background: var(--brick-red); }
.stud-dot.amber { background: var(--brick-yellow); }
.stud-dot.green { background: var(--brick-green); }
.stud-dot.gold { background: var(--legacy-gold); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.3vw, 2.75rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--ink-primary);
}

.section-lead {
  font-size: 1.06rem;
  color: var(--ink-secondary);
  max-width: 65ch;
  line-height: 1.68;
}

/* Tactile Plastic Brick / Minecraft Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.94rem;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: transform 0.12s var(--ease-snap), background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.12s ease;
  white-space: nowrap;
}

.btn svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  fill: currentColor;
}

.btn-primary {
  background-color: var(--brick-blue);
  color: #ffffff;
  box-shadow: 0 3px 0 var(--brick-blue-deep), 0 8px 18px -6px rgba(0, 108, 183, 0.45);
}

.btn-primary:hover {
  background-color: var(--brick-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 0 var(--brick-blue-deep), 0 12px 22px -6px rgba(0, 108, 183, 0.5);
}

.btn-primary:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--brick-blue-deep);
}

.btn-yellow {
  background-color: var(--brick-yellow);
  color: var(--brick-yellow-ink);
  box-shadow: 0 3px 0 #c9880c, 0 8px 18px -6px rgba(252, 191, 73, 0.55);
}

.btn-yellow:hover {
  background-color: var(--brick-yellow-hover);
  transform: translateY(-1px);
}

.btn-yellow:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #c9880c;
}

.btn-green {
  background-color: var(--brick-green);
  color: #ffffff;
  box-shadow: 0 3px 0 var(--brick-green-deep), 0 8px 18px -6px rgba(34, 160, 91, 0.45);
}

.btn-green:hover {
  background-color: var(--brick-green-hover);
  transform: translateY(-1px);
}

.btn-red {
  background-color: var(--brick-red);
  color: #ffffff;
  box-shadow: 0 3px 0 var(--brick-red-deep), 0 8px 18px -6px rgba(230, 57, 70, 0.45);
}

.btn-red:hover {
  background-color: var(--brick-red-hover);
  transform: translateY(-1px);
}

.btn-plate {
  background-color: var(--bg-plate);
  color: var(--ink-primary);
  border-color: var(--border-default);
  box-shadow: 0 3px 0 #dce1ee, 0 4px 10px rgba(20, 26, 44, 0.05);
}

.btn-plate:hover {
  background-color: var(--bg-plate-hover);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.btn-plate:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #dce1ee;
}

.btn-sm {
  padding: 0.5rem 0.95rem;
  font-size: 0.84rem;
  border-radius: 10px;
}

.btn-lg {
  padding: 0.92rem 1.65rem;
  font-size: 1rem;
  border-radius: 14px;
}

.btn:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Colorful Friendly Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.7rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid var(--border-default);
  background: var(--bg-plate-elevated);
  color: var(--ink-secondary);
}

.badge-blue {
  background: var(--brick-blue-soft);
  color: var(--brick-blue);
  border-color: rgba(0, 108, 183, 0.25);
}

.badge-red {
  background: var(--brick-red-soft);
  color: var(--brick-red);
  border-color: rgba(230, 57, 70, 0.25);
}

.badge-amber {
  background: var(--brick-yellow-soft);
  color: #9e6500;
  border-color: rgba(217, 130, 11, 0.3);
}

.badge-green {
  background: var(--brick-green-soft);
  color: var(--brick-green-deep);
  border-color: rgba(34, 160, 91, 0.28);
}

.badge-gold {
  background: var(--legacy-gold-soft);
  color: #8c590c;
  border-color: var(--legacy-border);
}

/* ==========================================================================
   STICKY BRIGHT HEADER & NAVIGATION (Original brickcraft.de style)
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 20px rgba(20, 26, 44, 0.04);
}

.header-inner {
  max-width: var(--container-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.brand-link:hover {
  transform: scale(1.02);
}

.brand-wordmark {
  height: 30px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.16rem;
}

.nav-link {
  position: relative;
  padding: 0.46rem 0.68rem;
  border-radius: 10px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-secondary);
  transition: color 0.15s ease, background-color 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--ink-primary);
  background-color: var(--bg-plate-hover);
}

.nav-link.active {
  color: var(--brick-blue);
  background-color: var(--brick-blue-soft);
  font-weight: 700;
}

.nav-link.nav-fix-pill {
  border: 1px solid rgba(217, 130, 11, 0.35);
  background: var(--brick-yellow-soft);
  color: #7d5000;
  font-size: 0.85rem;
  padding: 0.4rem 0.78rem;
  margin-left: 0.3rem;
  border-radius: var(--radius-pill);
}

.nav-link.nav-fix-pill:hover,
.nav-link.nav-fix-pill.active {
  background: var(--brick-yellow);
  color: var(--brick-yellow-ink);
  border-color: #d9930d;
}

.nav-link.nav-fix-pill .fix-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brick-red);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

/* Language Switcher */
.lang-switch {
  display: inline-flex;
  align-items: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
  border-radius: 10px;
  padding: 3px;
}

.lang-btn {
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.28rem 0.58rem;
  border-radius: 7px;
  color: var(--ink-muted);
  transition: all 0.15s ease;
}

.lang-btn:hover {
  color: var(--ink-primary);
}

.lang-btn.active {
  background: var(--bg-plate);
  color: var(--ink-primary);
  box-shadow: 0 2px 5px rgba(20, 26, 44, 0.08);
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border-default);
  background: var(--bg-plate);
  color: var(--ink-primary);
  display: inline-grid;
  place-items: center;
  transition: all 0.15s ease;
}

.icon-btn:hover {
  border-color: var(--border-strong);
  background: var(--bg-plate-hover);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

/* Dark / Light Theme Toggle Button */
.theme-toggle-btn {
  position: relative;
  color: var(--ink-secondary);
}

.theme-toggle-btn:hover {
  color: var(--ink-primary);
}

.theme-toggle-btn .icon-sun {
  display: none;
}

.theme-toggle-btn .icon-moon {
  display: block;
}

[data-theme="dark"] .theme-toggle-btn {
  color: var(--brick-yellow);
  border-color: rgba(252, 191, 73, 0.32);
  background: rgba(252, 191, 73, 0.08);
}

[data-theme="dark"] .theme-toggle-btn:hover {
  background: rgba(252, 191, 73, 0.18);
  border-color: rgba(252, 191, 73, 0.52);
}

[data-theme="dark"] .theme-toggle-btn .icon-sun {
  display: block;
}

[data-theme="dark"] .theme-toggle-btn .icon-moon {
  display: none;
}

/* Dark Mode Layout & Typography Overrides */
[data-theme="dark"] .site-header {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.38);
}

[data-theme="dark"] .brand-wordmark {
  filter: invert(1) brightness(1.06);
}

[data-theme="dark"] .spec-kicker {
  color: #5cb8ff;
}

[data-theme="dark"] .nav-link.active {
  color: #5cb8ff;
}

[data-theme="dark"] .nav-link.nav-fix-pill {
  color: #ffd166;
  border-color: rgba(252, 191, 73, 0.35);
}

[data-theme="dark"] .nav-link.nav-fix-pill:hover,
[data-theme="dark"] .nav-link.nav-fix-pill.active {
  background: var(--brick-yellow);
  color: var(--brick-yellow-ink);
  border-color: #d9930d;
}

[data-theme="dark"] .badge-blue {
  color: #5cb8ff;
  border-color: rgba(92, 184, 255, 0.3);
}

[data-theme="dark"] .badge-amber {
  color: #ffd166;
  border-color: rgba(252, 191, 73, 0.32);
}

[data-theme="dark"] .badge-green {
  color: #4ade80;
  border-color: rgba(74, 222, 128, 0.3);
}

[data-theme="dark"] .badge-red {
  color: #ff7582;
  border-color: rgba(255, 117, 130, 0.32);
}

[data-theme="dark"] .badge-gold {
  color: var(--legacy-gold);
}

[data-theme="dark"] .btn-plate {
  box-shadow: 0 3px 0 #090c13, 0 6px 14px rgba(0, 0, 0, 0.42);
}

[data-theme="dark"] .btn-plate:active {
  box-shadow: 0 1px 0 #090c13;
}

[data-theme="dark"] .lang-btn.active {
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
}

.mobile-menu-btn {
  display: none;
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  display: none;
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-plate);
  padding: 1rem 1.5rem 1.5rem;
  box-shadow: var(--shadow-elevated);
}

.mobile-drawer.open {
  display: block;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.mobile-nav-list .nav-link {
  padding: 0.72rem 0.9rem;
  font-size: 0.98rem;
}

@media (max-width: 1180px) {
  .main-nav,
  .header-patreon-cta {
    display: none;
  }
  .mobile-menu-btn {
    display: inline-grid;
  }
}

/* ==========================================================================
   ROUNDED CARD FOOTER (Original brickcraft.de 20px White Card Style)
   ========================================================================== */

.site-footer {
  padding: 2rem 0 3rem;
  font-size: 0.92rem;
}

.footer-card {
  background-color: var(--bg-plate);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-plate);
  padding: 3.6rem 2.75rem 2.9rem;
  overflow: hidden;
  position: relative;
}

.footer-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 12%;
  width: 80px;
  height: 38px;
  background-image: url('../images/brand/bricks-overlay.webp');
  background-size: 500px auto;
  background-position: -250px 0px;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 1;
}

.footer-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 32%;
  width: 90px;
  height: 34px;
  background-image: url('../images/brand/bricks-overlay.webp');
  background-size: 500px auto;
  background-position: -122px bottom;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 1;
}

.footer-grid,
.footer-bottom {
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.9fr repeat(4, 1fr);
  gap: 2.25rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 340px;
}

.footer-tagline {
  color: var(--ink-secondary);
  font-size: 0.92rem;
  line-height: 1.62;
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.25rem;
}

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border-default);
  background: var(--bg-plate-elevated);
  color: var(--ink-secondary);
  display: inline-grid;
  place-items: center;
  transition: all 0.15s ease;
}

.social-btn:hover {
  color: #ffffff;
  background: var(--brick-blue);
  border-color: var(--brick-blue);
  transform: translateY(-2px);
}

.social-btn svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-primary);
  margin-bottom: 0.95rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-col a {
  color: var(--ink-secondary);
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: var(--brick-blue);
}

.footer-bottom {
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-disclaimers {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.79rem;
  color: var(--ink-muted);
  max-width: 680px;
  line-height: 1.5;
}

.footer-copy {
  text-align: right;
  font-size: 0.82rem;
  color: var(--ink-muted);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

@media (max-width: 960px) {
  .footer-card {
    padding: 3.45rem 1.5rem 2.75rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand-col {
    grid-column: 1 / -1;
    max-width: 100%;
  }
  .footer-copy {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   FULLSCREEN LIGHTBOX & TOAST NOTIFICATION
   ========================================================================== */

[hidden] {
  display: none !important;
}

.lightbox-backdrop {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: rgba(16, 18, 26, 0.9);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox-backdrop.active {
  display: flex;
}

.lightbox-frame {
  position: relative;
  max-width: min(1280px, 94vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lightbox-frame img,
.lightbox-frame video {
  max-height: 76vh;
  width: auto;
  height: auto;
  max-width: 100%;
  align-self: center;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.65);
  background: #0c0e14;
}

.lightbox-frame video {
  width: min(1040px, 90vw);
}

.lightbox-bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.25rem;
  color: #ffffff;
  font-size: 0.92rem;
  flex-wrap: wrap;
}

.lightbox-copy {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-width: 720px;
}

.lightbox-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
}

.lightbox-desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.82);
}

.lightbox-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.lightbox-action-btn {
  padding: 0.45rem 0.95rem;
  border-radius: 10px;
  background: var(--brick-blue);
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.82rem;
  text-decoration: none;
  transition: filter 0.16s ease, transform 0.16s ease;
}

.lightbox-action-btn:hover {
  filter: brightness(1.1);
  color: #ffffff;
  transform: translateY(-1px);
}

.lightbox-close {
  padding: 0.45rem 0.9rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.82rem;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.28);
}

.toast-notification {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 950;
  background: var(--bg-plate);
  color: var(--ink-primary);
  border: 1px solid var(--border-default);
  border-left: 5px solid var(--brick-green);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-elevated);
  transform: translateY(130%);
  opacity: 0;
  transition: transform 0.25s var(--ease-snap), opacity 0.25s ease;
}

.toast-notification.visible {
  transform: translateY(0);
  opacity: 1;
}