/* ============================================
   MemDex100 Components — components.css
   Navigation, buttons, cards, modals, footer
   ============================================ */

/* =============================================
   EARLY ACCESS PROMO BAR (top of nav)
   ============================================= */
.promo-bar {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  text-decoration: none;
  background: linear-gradient(90deg, #0017A8 0%, #0029FE 28%, #0E5099 62%, #209EE0 100%);
  background-size: 220% 100%;
  animation: promoGradient 9s ease-in-out infinite;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 2px 14px rgba(0, 41, 254, 0.4), 0 1px 0 0 rgba(255, 255, 255, 0.12) inset;
}

@keyframes promoGradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.promo-bar-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0.55rem var(--space-xl);
  flex-wrap: wrap;
}

.promo-bar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.28);
  padding: 0.22rem 0.62rem;
  border-radius: var(--radius-full);
}

.promo-bar-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--radioactive-grass);
  box-shadow: 0 0 8px var(--radioactive-grass);
  animation: promoPulse 1.8s ease-in-out infinite;
}

@keyframes promoPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.65); }
}

.promo-bar-text {
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.promo-bar-text strong {
  color: #fff;
  font-weight: 700;
}

.promo-bar-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  background: #fff;
  color: #0029FE;
  font-size: 0.84rem;
  font-weight: 700;
  padding: 0.42rem 1rem;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.28);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.promo-bar:hover .promo-bar-cta {
  transform: translateY(-1px);
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.38);
}

.promo-bar-cta svg {
  transition: transform var(--transition-fast);
  animation: promoArrowNudge 1.6s ease-in-out infinite;
}

@keyframes promoArrowNudge {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(4px); }
}

.promo-bar:hover .promo-bar-cta svg {
  animation: none;
  transform: translateX(4px);
}

/* Light sweep across the bar */
.promo-bar-sheen {
  position: absolute;
  top: 0;
  left: -60%;
  width: 45%;
  height: 100%;
  z-index: 1;
  transform: skewX(-20deg);
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.22), transparent);
  animation: promoSheen 7s ease-in-out infinite;
}

@keyframes promoSheen {
  0% { left: -60%; }
  40%, 100% { left: 140%; }
}

@media (max-width: 768px) {
  .promo-bar-content {
    gap: 0.55rem;
    padding: 0.45rem var(--space-md);
  }
  .promo-bar-badge { display: none; }
  .promo-bar-text { font-size: 0.78rem; }
  .promo-bar-cta { font-size: 0.78rem; padding: 0.36rem 0.8rem; }
}

@media (max-width: 480px) {
  .promo-bar-text { font-size: 0.72rem; }
}

@media (prefers-reduced-motion: reduce) {
  .promo-bar { animation: none; }
  .promo-bar-sheen { animation: none; display: none; }
  .promo-bar-dot { animation: none; }
  .promo-bar-cta svg { animation: none; }
}

/* =============================================
   CRYPTO TICKER BAR (inside nav)
   ============================================= */
.ticker-bar {
  width: 100%;
  background: rgba(1, 4, 16, 0.7);
  border-top: none;
  border-image: linear-gradient(90deg, transparent, rgba(32, 158, 224, 0.6), rgba(255, 255, 255, 0.3), rgba(32, 158, 224, 0.6), transparent) 1;
  border-top-width: 1px;
  border-top-style: solid;
  overflow: hidden;
  padding-top: var(--space-xs);
  max-height: 200px;
  transition: max-height 0.4s ease, padding 0.4s ease, border-top-width 0.4s ease;
}

.ticker-bar.ticker-hidden {
  max-height: 0;
  padding-top: 0;
  border-top-width: 0;
}

.ticker-row {
  line-height: 0;
}

.ticker-row gecko-coin-price-marquee-widget,
.ticker-row .livecoinwatch-widget-5 {
  display: block;
}

.ticker-row + .ticker-row {
  margin-top: -4px;
}

/* Mobile tickers — full-width with glassmorphism */
@media (max-width: 768px) {
  .ticker-bar {
    padding: var(--space-xs) 0;
    background: linear-gradient(
      135deg,
      rgba(4, 12, 40, 0.6) 0%,
      rgba(0, 1, 24, 0.5) 50%,
      rgba(6, 40, 80, 0.3) 100%
    );
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-top: 1px solid rgba(32, 158, 224, 0.12);
  }

  .ticker-row {
    width: 100%;
    overflow: hidden;
    line-height: 0;
    margin-top: -2px;
    margin-bottom: -2px;
  }
}

/* =============================================
   NAVIGATION
   ============================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: auto;
  display: flex;
  flex-direction: column;
  /* Glassmorphism */
  background: linear-gradient(
    135deg,
    rgba(4, 12, 40, 0.65) 0%,
    rgba(0, 1, 24, 0.55) 50%,
    rgba(6, 40, 80, 0.25) 100%
  );
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  /* 3D depth: top highlight + bottom shadow */
  border-top: 1px solid rgba(32, 158, 224, 0.15);
  border-bottom: none;
  /* Bottom gradient line added via .nav-inner::after */
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, 0.05) inset,
    0 -1px 0 0 rgba(0, 0, 0, 0.2) inset,
    0 4px 16px rgba(0, 0, 0, 0.35),
    0 1px 4px rgba(0, 41, 254, 0.1);
  transition: background var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-base);
}

@media (max-width: 768px) {
  .nav {
    background: linear-gradient(
      135deg,
      rgba(4, 12, 40, 0.45) 0%,
      rgba(0, 1, 24, 0.35) 50%,
      rgba(6, 40, 80, 0.15) 100%
    );
  }
  .nav.nav-hidden {
    transform: translateY(-100%);
  }
}

.nav-scrolled {
  background: linear-gradient(
    135deg,
    rgba(4, 12, 40, 0.85) 0%,
    rgba(0, 1, 24, 0.8) 50%,
    rgba(6, 40, 80, 0.4) 100%
  );
  border-bottom-color: rgba(0, 41, 254, 0.35);
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, 0.07) inset,
    0 -1px 0 0 rgba(0, 0, 0, 0.25) inset,
    0 8px 32px rgba(0, 0, 0, 0.45),
    0 2px 8px rgba(0, 41, 254, 0.2),
    0 0 20px rgba(0, 41, 254, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-xl);
  min-height: auto;
  position: relative;
}

.nav-inner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(32, 158, 224, 0.6), rgba(255, 255, 255, 0.3), rgba(32, 158, 224, 0.6), transparent);
}

/* Nav Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.nav-logo img {
  height: 56px;
  width: auto;
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-primary);
  white-space: nowrap;
}

.nav-logo-text span {
  color: var(--color-accent-primary);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav-link {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
  transition: width var(--transition-base), left var(--transition-base);
  border-radius: 1px;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
  left: 0;
}

/* Nav CTA */
.nav-cta {
  flex-shrink: 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  z-index: 1010;
  margin-right: var(--space-md);
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base),
              opacity var(--transition-base);
  transform-origin: center;
}

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

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

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

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  background: rgba(1, 4, 16, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  max-width: 85vw;
  height: 100%;
  background: var(--color-bg-secondary);
  border-left: 1px solid var(--color-border);
  padding: calc(var(--nav-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}

.mobile-menu.open .mobile-menu-panel {
  transform: translateX(0);
}

.mobile-menu-link {
  display: block;
  padding: var(--space-md) 0;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-menu-link:hover {
  color: var(--color-accent-primary);
  padding-left: var(--space-sm);
}

.mobile-menu-cta {
  margin-top: var(--space-xl);
}

/* Nav responsive */
@media (max-width: 1024px) {
  .nav-links {
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .nav-inner {
    padding: var(--space-sm) var(--space-md);
    min-height: auto;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }
}

/* Body padding to offset fixed nav (set dynamically by main.js) */
body {
  padding-top: var(--nav-height);
}

/* Prevent scroll when modal/menu is open */
body.modal-open {
  overflow: hidden;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  user-select: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
}

/* Primary Button — gradient blue */
.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--steel-blue) 50%, var(--blue-bell) 100%);
  color: var(--color-text-primary);
  border-color: transparent;
  box-shadow: 0 2px 12px rgba(0, 41, 254, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--blue-bell) 0%, var(--steel-blue) 50%, var(--blue) 100%);
  box-shadow: 0 0 24px rgba(32, 158, 224, 0.5), 0 0 48px rgba(0, 41, 254, 0.2);
  transform: translateY(-1px);
  color: var(--color-text-primary);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0, 41, 254, 0.3);
}

/* Secondary Button — transparent with gradient border effect */
.btn-secondary {
  background: transparent;
  color: var(--color-accent-primary);
  border-color: var(--steel-azure);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, rgba(0, 41, 254, 0.12) 0%, rgba(32, 158, 224, 0.08) 100%);
  border-color: var(--blue-bell);
  color: var(--blue-bell);
  transform: translateY(-1px);
}

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

/* Ghost Button — no border, text only */
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
  padding: 0.75rem 1rem;
}

.btn-ghost:hover {
  color: var(--color-accent-primary);
  background: rgba(0, 41, 254, 0.1);
}

/* Gold/Green Button (CTA accent) */
.btn-gold {
  background: linear-gradient(135deg, var(--radioactive-grass) 0%, #00D4FF 100%);
  color: var(--ink-black);
  border-color: transparent;
  box-shadow: 0 2px 12px rgba(11, 228, 4, 0.3);
  font-weight: 700;
}

.btn-gold:hover {
  box-shadow: 0 0 24px rgba(11, 228, 4, 0.45), 0 0 48px rgba(11, 228, 4, 0.15);
  transform: translateY(-1px);
  color: var(--ink-black);
}

/* Button Sizes */
.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

/* Full-width button */
.btn-block {
  width: 100%;
}

/* Button with icon */
.btn-icon {
  padding: 0.85rem;
  width: 52px;
  height: 52px;
}

/* Button group */
.btn-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    width: 100%;
  }
}

/* =============================================
   CARDS
   ============================================= */

/* Base Card */
.card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: transform var(--transition-base),
              box-shadow var(--transition-slow),
              border-color var(--transition-slow);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 41, 254, 0.2), 0 0 0 1px rgba(32, 158, 224, 0.1);
  border-color: var(--color-border-hover);
}

/* Feature Card — icon/image top, heading, description */
.feature-card {
  background: linear-gradient(160deg, rgba(6, 16, 46, 0.95) 0%, rgba(0, 1, 24, 0.8) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  transition: transform var(--transition-base),
              box-shadow var(--transition-slow),
              border-color var(--transition-slow);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 41, 254, 0.2), 0 0 0 1px rgba(32, 158, 224, 0.15);
  border-color: rgba(32, 158, 224, 0.4);
}

.feature-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0, 41, 254, 0.2), rgba(32, 158, 224, 0.12));
  border: 1px solid rgba(14, 80, 153, 0.5);
  font-size: 1.75rem;
}

.feature-card h3,
.feature-card h4 {
  margin-bottom: var(--space-sm);
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Product Card */
.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-width: 0;
  transition: transform var(--transition-base);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-hover);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.product-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--color-bg-secondary);
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
  transform: scale(1.05);
}

.product-card-badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: linear-gradient(135deg, var(--radioactive-grass) 0%, #00D4FF 100%);
  color: var(--ink-black);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}

.product-card-body {
  padding: var(--space-lg);
  min-width: 0;
  overflow: hidden;
}

.product-card-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-card-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent-primary);
  margin-bottom: var(--space-md);
}

.product-card-price .original-price {
  font-size: 0.9rem;
  color: var(--color-text-dim);
  text-decoration: line-through;
  margin-left: var(--space-sm);
  font-weight: 400;
}

.product-card-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.product-card-actions .btn {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
}

/* Stat Card */
.stat-card {
  background: linear-gradient(160deg, rgba(6, 16, 46, 0.7) 0%, rgba(0, 1, 24, 0.5) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Shimmer glare effect */
.stat-card-shimmer {
  position: relative;
  overflow: hidden;
}

.stat-card-shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent 0%,
    transparent 30%,
    rgba(255, 255, 255, 0.06) 42%,
    rgba(255, 255, 255, 0.14) 50%,
    rgba(255, 255, 255, 0.06) 58%,
    transparent 70%,
    transparent 100%
  );
  transition: left 0.5s ease;
  pointer-events: none;
}

.stat-card-shimmer:hover::after {
  left: 100%;
}

.stat-card-shimmer:hover {
  border-color: rgba(32, 158, 224, 0.3);
  box-shadow: 0 0 20px rgba(0, 41, 254, 0.15);
  transition: border-color 0.3s, box-shadow 0.3s;
}

/* Card universal shine sweep on hover */
.card::after,
.feature-card::after,
.step-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent 0%,
    transparent 35%,
    rgba(255, 255, 255, 0.04) 45%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.04) 55%,
    transparent 65%,
    transparent 100%
  );
  transition: left 0.6s ease;
  pointer-events: none;
  border-radius: inherit;
}

.card:hover::after,
.feature-card:hover::after,
.step-card:hover::after {
  left: 100%;
}

.card,
.feature-card,
.step-card {
  position: relative;
  overflow: hidden;
}

.stat-card-value {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--color-accent-primary);
  line-height: 1.1;
  margin-bottom: var(--space-sm);
}

.stat-card-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Info Card — horizontal layout */
.info-card {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  /* Only transform on hover-off (no reverse glare on border) */
  transition: transform var(--transition-base);
}

.info-card:hover {
  border-color: var(--color-border-hover);
  transition: transform var(--transition-base),
              border-color var(--transition-base);
}

.info-card-icon {
  flex-shrink: 0;
}

.info-card-content h4 {
  margin-bottom: var(--space-xs);
}

.info-card-content p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* =============================================
   MODALS
   ============================================= */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  z-index: 1;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 600px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.95);
  transition: transform var(--transition-base);
}

.modal.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  color: var(--color-text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-text-primary);
}

.modal-header {
  margin-bottom: var(--space-xl);
  padding-right: var(--space-2xl);
}

.modal-header h3 {
  margin-bottom: var(--space-sm);
}

.modal-body {
  margin-bottom: var(--space-xl);
}

.modal-footer {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
}

@media (max-width: 640px) {
  .modal-content {
    width: 95%;
    padding: var(--space-xl);
    margin: var(--space-md);
  }
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: linear-gradient(180deg, var(--prussian-blue) 0%, var(--ink-black) 100%);
  border-top: 1px solid rgba(14, 80, 153, 0.3);
  padding-top: var(--space-4xl);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 15%;
  right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(32, 158, 224, 0.3), transparent);
}

.footer::after {
  content: '';
  position: absolute;
  top: -20px;
  left: 20%;
  right: 20%;
  height: 40px;
  background: radial-gradient(ellipse at center, rgba(0, 41, 254, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

/* Footer brand column */
.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.footer-logo img {
  height: 36px;
  width: auto;
}

.footer-logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* Footer nav columns */
.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent-primary);
  padding-left: var(--space-xs);
}

/* Social links */
.social-links {
  display: flex;
  gap: var(--space-md);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 41, 254, 0.15) 0%, rgba(14, 80, 153, 0.1) 100%);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-bell) 100%);
  border-color: var(--blue-bell);
  color: var(--color-text-primary);
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 4px 20px rgba(0, 41, 254, 0.45), 0 0 40px rgba(32, 158, 224, 0.15);
}

.social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Footer bottom bar */
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

.footer-legal a {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.footer-legal a:hover {
  color: var(--color-text-secondary);
}

/* Footer responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
    max-width: none;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }
}

/* =============================================
   BACK TO TOP BUTTON
   ============================================= */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue), var(--blue-bell));
  color: var(--color-text-primary);
  border: 1px solid rgba(32, 158, 224, 0.3);
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(0, 41, 254, 0.3);
  z-index: 900;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* =============================================
   FORMS
   ============================================= */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(32, 158, 224, 0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-dim);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238899AA' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin-top: var(--space-xs);
}

.form-error {
  font-size: 0.8rem;
  color: #FF5555;
  margin-top: var(--space-xs);
}

.form-input.error,
.form-textarea.error {
  border-color: #FF5555;
}

/* =============================================
   TABS
   ============================================= */
.tabs {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-xl);
  overflow-x: auto;
}

.tab {
  padding: var(--space-md) var(--space-lg);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.tab:hover {
  color: var(--color-text-secondary);
}

.tab.active {
  color: var(--color-accent-primary);
  border-bottom-color: var(--color-accent-primary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* =============================================
   ACCORDION
   ============================================= */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: none;
  color: var(--color-text-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast);
}

.accordion-header:hover {
  background: var(--color-bg-card-hover);
}

.accordion-icon {
  font-size: 1.25rem;
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.accordion-item.open .accordion-icon {
  transform: rotate(45deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.accordion-item.open .accordion-body {
  max-height: none;
}

.accordion-body-inner {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* =============================================
   ALERT / NOTICE
   ============================================= */
.alert {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  font-size: 0.95rem;
  line-height: 1.6;
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.alert-info {
  border-color: rgba(32, 158, 224, 0.3);
  background: rgba(0, 41, 254, 0.08);
}

.alert-warning {
  border-color: rgba(11, 228, 4, 0.3);
  background: rgba(11, 228, 4, 0.08);
}

.alert-success {
  border-color: rgba(0, 200, 83, 0.3);
  background: rgba(0, 200, 83, 0.08);
}

.alert-error {
  border-color: rgba(255, 85, 85, 0.3);
  background: rgba(255, 85, 85, 0.08);
}

/* =============================================
   TOOLTIP
   ============================================= */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 100;
}

.tooltip:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* =============================================
   LOADING SPINNER
   ============================================= */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 4px;
}

/* =============================================
   PROSE — Long-form content styling
   ============================================= */
.prose {
  max-width: 800px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.prose p {
  margin-bottom: var(--space-lg);
}

.prose ul,
.prose ol {
  padding-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.prose ul {
  list-style: disc;
}

.prose ol {
  list-style: decimal;
}

.prose li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

.prose a {
  color: var(--color-accent-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.prose a:hover {
  color: var(--color-accent-secondary);
}

.prose blockquote {
  border-left: 3px solid var(--color-accent-primary);
  padding-left: var(--space-lg);
  margin: var(--space-xl) 0;
  color: var(--color-text-muted);
  font-style: italic;
}

.prose code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.9em;
  padding: 0.15em 0.4em;
  background: rgba(0, 41, 254, 0.12);
  border-radius: var(--radius-sm);
  color: var(--blue-bell);
}

.prose pre {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  overflow-x: auto;
  margin: var(--space-xl) 0;
}

.prose pre code {
  padding: 0;
  background: none;
  border-radius: 0;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-2xl) 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-xl) 0;
}

.prose th,
.prose td {
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  text-align: left;
}

.prose th {
  background: var(--color-bg-card);
  font-weight: 600;
  color: var(--color-text-primary);
}

.prose td {
  color: var(--color-text-secondary);
}

.prose img {
  border-radius: var(--radius-md);
  margin: var(--space-xl) 0;
}

.prose strong {
  color: var(--color-text-primary);
}