/* ============================================
   SignumEssentials v30 - Components
   ============================================ */

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-semibold);
  line-height: 1;
  text-decoration: none;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  overflow: hidden;
  transition:
    transform var(--transition-spring),
    box-shadow var(--transition-normal);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

/* Button Sizes */
.btn-sm {
  height: var(--btn-height-sm);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-small);
}

.btn-md {
  height: var(--btn-height-md);
}

.btn-lg {
  height: var(--btn-height-lg);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-body);
}

.btn-xl {
  height: var(--btn-height-xl);
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-body-lg);
  border-radius: var(--radius-2xl);
}

/* ========================================
   PRIMARY BUTTON - Gradient with Shine
   ======================================== */

.btn-primary {
  background: var(--gradient-brand);
  background-size: 200% 200%;
  color: white;
  box-shadow: var(--shadow-primary);
}

/* Highlight overlay */
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.25) 0%,
    transparent 50%
  );
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

/* Shine effect */
.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-shine);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-out);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-primary-lg);
  background-position: 100% 50%;
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:hover::after {
  transform: translateX(100%);
}

.btn-primary:hover svg {
  transform: translateX(4px);
}

/* ========================================
   AURORA BUTTON - Signature CTA
   ======================================== */

.btn-aurora {
  background: var(--gradient-aurora);
  background-size: 400% 400%;
  color: white;
  box-shadow: var(--glow-aurora);
  animation: auroraButtonShift 8s ease infinite;
}

@keyframes auroraButtonShift {
  0%, 100% { background-position: 0% 50%; }
  25% { background-position: 50% 100%; }
  50% { background-position: 100% 50%; }
  75% { background-position: 50% 0%; }
}

/* Multi-layer shimmer */
.btn-aurora::before {
  content: '';
  position: absolute;
  inset: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-aurora::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  transform: rotate(45deg) translateY(-100%);
  animation: auroraShimmer 3s infinite;
}

@keyframes auroraShimmer {
  0% { transform: rotate(45deg) translateY(-100%); }
  100% { transform: rotate(45deg) translateY(100%); }
}

.btn-aurora:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow:
    var(--glow-aurora),
    0 20px 40px rgba(124, 58, 237, 0.3);
}

.btn-aurora:hover::before {
  opacity: 1;
}

/* Pulse animation for emphasis */
.btn-pulse {
  animation: btnPulse 2s ease-in-out infinite;
}

@keyframes btnPulse {
  0%, 100% {
    box-shadow: var(--shadow-primary);
  }
  50% {
    box-shadow: var(--shadow-primary-lg), 0 0 40px rgba(124, 58, 237, 0.4);
  }
}

/* ========================================
   SECONDARY BUTTON - Outline Style
   ======================================== */

.btn-secondary {
  background: var(--glass-white);
  color: var(--text-primary);
  border: 1.5px solid var(--border-default);
  backdrop-filter: blur(var(--blur-sm));
  box-shadow: var(--shadow-sm);
}

.btn-secondary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-brand);
  opacity: 0;
  border-radius: inherit;
  transition: opacity var(--transition-normal);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover::before {
  opacity: 0.05;
}

/* ========================================
   GHOST BUTTON
   ======================================== */

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--bg-cloud);
  color: var(--text-primary);
}

/* ========================================
   WHITE BUTTON (for dark backgrounds)
   ======================================== */

.btn-white {
  background: white;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
}

.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

/* ========================================
   ICON BUTTONS
   ======================================== */

.btn-icon {
  width: var(--btn-height-md);
  height: var(--btn-height-md);
  padding: 0;
  border-radius: var(--radius-lg);
}

.btn-icon-sm {
  width: var(--btn-height-sm);
  height: var(--btn-height-sm);
}

.btn-icon-lg {
  width: var(--btn-height-lg);
  height: var(--btn-height-lg);
  border-radius: var(--radius-xl);
}

/* ========================================
   CARDS - Magnetic & Elevated
   ======================================== */

.card {
  position: relative;
  background: var(--bg-pure);
  border: var(--card-border);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  transition:
    transform var(--transition-spring),
    box-shadow var(--transition-normal),
    border-color var(--transition-fast);
}

/* ========================================
   ELEVATED CARD
   ======================================== */

.card-elevated {
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  transition:
    transform var(--transition-spring),
    box-shadow var(--transition-smooth);
}

.card-elevated:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-accent);
}

/* ========================================
   GLASS CARD - Frosted Effect
   ======================================== */

.card-glass {
  background: var(--glass-white);
  backdrop-filter: blur(var(--blur-xl));
  -webkit-backdrop-filter: blur(var(--blur-xl));
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  transition:
    transform var(--transition-spring),
    box-shadow var(--transition-normal);
}

.card-glass:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ========================================
   MAGNETIC CARD - Proximity Responsive
   ======================================== */

.card-magnetic {
  --glow-x: 50%;
  --glow-y: 50%;

  position: relative;
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition:
    transform 0.3s var(--ease-out),
    box-shadow 0.3s var(--ease-out);
}

/* Radial glow that follows cursor */
.card-magnetic::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--glow-x) var(--glow-y),
    rgba(124, 58, 237, 0.1),
    transparent 40%
  );
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.card-magnetic:hover::before {
  opacity: 1;
}

/* ========================================
   FEATURE CARD - With Animated Border
   ======================================== */

.feature-card {
  position: relative;
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition:
    transform var(--transition-spring),
    box-shadow var(--transition-normal),
    border-color var(--transition-fast);
}

/* Top gradient bar */
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-accent);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-soft);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-5);
  color: var(--accent-primary);
  transition:
    transform var(--transition-spring),
    background var(--transition-normal);
}

.feature-card:hover .feature-card-icon {
  transform: scale(1.1) rotate(-5deg);
  background: var(--gradient-brand);
  color: white;
}

.feature-card-title {
  font-size: var(--text-h4);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.feature-card-description {
  font-size: var(--text-body-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.feature-card-stat {
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--accent-primary);
}

/* Feature card icon */
.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-soft);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-5);
  color: var(--accent-primary);
  transition:
    transform var(--transition-spring),
    background var(--transition-normal);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
  background: var(--gradient-brand);
  color: white;
}

.feature-title {
  font-size: var(--text-h4);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.feature-description {
  font-size: var(--text-body-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

/* Feature mini demos */
.feature-mini-demo {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mini gauge */
.mini-gauge {
  position: relative;
  width: 100%;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mini-gauge-fill {
  position: absolute;
  left: 0;
  top: 50%;
  height: 6px;
  width: var(--fill, 50%);
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  transform: translateY(-50%);
}

.mini-gauge-value {
  position: relative;
  font-size: var(--text-small);
  font-weight: var(--weight-bold);
  color: var(--accent-primary);
  margin-left: auto;
}

/* Framework wheel */
.framework-wheel {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}

.fw-item {
  padding: var(--space-1) var(--space-2);
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.feature-card:hover .fw-item {
  border-color: var(--border-accent);
  color: var(--accent-primary);
}

/* Mini quadrant */
.mini-quadrant {
  position: relative;
  width: 100%;
  height: 50px;
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.mq-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  transform: translate(-50%, -50%);
  transition: all var(--transition-fast);
}

.feature-card:hover .mq-dot {
  transform: translate(-50%, -50%) scale(1.3);
}

/* Mini docs */
.mini-docs {
  display: flex;
  gap: var(--space-2);
}

.mini-doc {
  width: 30px;
  height: 40px;
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.feature-card:hover .mini-doc {
  transform: translateY(-4px);
}

.feature-card:hover .mini-doc:nth-child(1) {
  transition-delay: 0s;
}

.feature-card:hover .mini-doc:nth-child(2) {
  transition-delay: 0.05s;
}

.feature-card:hover .mini-doc:nth-child(3) {
  transition-delay: 0.1s;
}

/* Mini chart */
.mini-chart {
  width: 100%;
  height: 40px;
}

.mini-chart svg {
  width: 100%;
  height: 100%;
}

/* Mini integrations */
.mini-integrations {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  position: relative;
}

.int-dot {
  width: 10px;
  height: 10px;
  background: var(--bg-mist);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.feature-card:hover .int-dot {
  background: var(--gradient-brand);
}

.int-center {
  width: 20px;
  height: 20px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
}

/* ========================================
   TESTIMONIAL CARD
   ======================================== */

.testimonial-card {
  position: relative;
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  transition:
    transform var(--transition-spring),
    box-shadow var(--transition-normal);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.testimonial-quote {
  font-size: var(--text-body-lg);
  font-style: italic;
  color: var(--text-primary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.testimonial-quote::before {
  content: '"';
  font-size: var(--text-display);
  font-family: Georgia, serif;
  color: var(--accent-primary-lighter);
  line-height: 0;
  display: block;
  margin-bottom: var(--space-2);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-soft);
  overflow: hidden;
}

.testimonial-info {
  flex: 1;
}

.testimonial-name {
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
}

.testimonial-role {
  font-size: var(--text-small);
  color: var(--text-muted);
}

.testimonial-metric {
  text-align: right;
}

.testimonial-metric-value {
  font-size: var(--text-h4);
  font-weight: var(--weight-bold);
  color: var(--success);
  display: block;
}

.testimonial-metric-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* ========================================
   PRICING CARD - Holographic Border
   ======================================== */

.pricing-card {
  position: relative;
  background: var(--bg-pure);
  border-radius: var(--radius-3xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
}

/* Holographic border effect */
.pricing-card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  background: var(--gradient-holographic);
  background-size: 300% 300%;
  border-radius: inherit;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: holographicBorder 6s linear infinite;
}

@keyframes holographicBorder {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

.pricing-card-badge {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  padding: var(--space-1) var(--space-3);
  background: var(--gradient-brand);
  color: white;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
}

.pricing-amount {
  font-size: var(--text-display);
  font-weight: var(--weight-black);
  color: var(--text-primary);
  line-height: 1;
}

.pricing-currency {
  font-size: var(--text-h3);
  font-weight: var(--weight-bold);
  vertical-align: top;
}

.pricing-period {
  font-size: var(--text-body);
  font-weight: var(--weight-normal);
  color: var(--text-muted);
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  color: var(--text-secondary);
}

.pricing-feature svg {
  width: 20px;
  height: 20px;
  color: var(--success);
  flex-shrink: 0;
}

/* ========================================
   BADGES
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1-5);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
}

.badge-primary {
  background: var(--violet-100);
  color: var(--violet-700);
}

.badge-secondary {
  background: var(--cyan-100);
  color: var(--cyan-700);
}

.badge-success {
  background: rgba(5, 150, 105, 0.1);
  color: var(--success);
}

.badge-warning {
  background: rgba(217, 119, 6, 0.1);
  color: var(--warning);
}

.badge-danger {
  background: rgba(220, 38, 38, 0.1);
  color: var(--danger);
}

.badge-gradient {
  background: var(--gradient-brand);
  color: white;
}

/* Live badge with pulse */
.badge-live {
  background: rgba(5, 150, 105, 0.1);
  color: var(--success);
}

.badge-live::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: var(--radius-full);
  animation: livePulse 2s ease-in-out infinite;
}

@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

/* ========================================
   FORM INPUTS
   ======================================== */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  height: var(--input-height);
  padding: 0 var(--space-4);
  background: var(--bg-pure);
  border: var(--input-border);
  border-radius: var(--input-radius);
  font-size: var(--text-body);
  color: var(--text-primary);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:hover {
  border-color: var(--border-medium);
}

.form-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
  outline: none;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

.form-textarea {
  height: auto;
  min-height: 120px;
  padding: var(--space-4);
  resize: vertical;
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: var(--z-fixed);
  background: transparent;
  transition:
    background var(--transition-normal),
    box-shadow var(--transition-normal),
    border-bottom var(--transition-normal),
    backdrop-filter var(--transition-normal),
    transform var(--transition-normal);
}

.navbar.scrolled {
  background: var(--bg-primary);
  backdrop-filter: blur(var(--navbar-blur));
  -webkit-backdrop-filter: blur(var(--navbar-blur));
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid var(--border-light);
}

/* Override container width for navbar to allow wider spread */
.navbar .container {
  max-width: 100%;
  padding: 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 clamp(2rem, 6vw, 5rem);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  text-decoration: none;
}

.nav-logo-img {
  height: 32px;
  width: auto;
  max-width: 180px;
  flex-shrink: 0;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  position: relative;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-lg);
  transition:
    color var(--transition-fast),
    background var(--transition-fast);
}

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

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

/* Animated underline */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: calc(100% - var(--space-8));
}

/* Nav Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-link-dropdown {
  display: flex;
  align-items: center;
  gap: 4px;
}

.dropdown-arrow {
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-arrow,
.nav-dropdown.dropdown-open .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 360px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
  margin-top: var(--space-2);
  z-index: 1000;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.dropdown-open .dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.dropdown-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.dropdown-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.dropdown-column-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-1);
}

.dropdown-item {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-body-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.dropdown-item:hover {
  background: var(--bg-cloud);
  color: var(--accent-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-mobile-toggle .hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

/* ========================================
   ACCORDION
   ======================================== */

.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.accordion-item {
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.accordion-item:hover {
  border-color: var(--border-default);
}

.accordion-item.active {
  border-color: var(--border-accent);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  transition: background var(--transition-fast);
}

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

.accordion-title {
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
}

.accordion-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition-normal);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  color: var(--accent-primary);
}

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

.accordion-item.active .accordion-content {
  max-height: 500px;
}

.accordion-content p {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.accordion-body {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ========================================
   SCROLL PROGRESS BAR
   ======================================== */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: var(--z-max);
  background: transparent;
}

.scroll-progress-bar {
  height: 100%;
  background: var(--gradient-brand);
  transform-origin: left;
  transform: scaleX(0);
}

/* ========================================
   TOOLTIPS
   ======================================== */

.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-space);
  color: white;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  border-radius: var(--radius-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
}

.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-12px);
}

/* ========================================
   LOADING STATES
   ======================================== */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-cloud) 0%,
    var(--bg-soft) 50%,
    var(--bg-cloud) 100%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes skeletonShimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--bg-cloud);
  border-top-color: var(--accent-primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner-lg {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

/* ========================================
   MOBILE MENU
   ======================================== */

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(400px, 90vw);
  background: var(--bg-pure);
  box-shadow: var(--shadow-2xl);
  z-index: var(--z-modal);
  padding: var(--space-8);
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.mobile-menu.is-open {
  transform: translateX(0);
  visibility: visible;
  transition: transform var(--duration-500) var(--ease-out), visibility 0s 0s;
}

.mobile-menu-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-h3);
  color: var(--text-muted);
  background: var(--bg-soft);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-menu-close:hover {
  background: var(--bg-mist);
  color: var(--text-primary);
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-12);
  flex: 1;
}

.mobile-menu-link {
  display: block;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-body-lg);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.mobile-menu-link:hover {
  background: var(--gradient-soft);
  color: var(--accent-primary);
}

/* Mobile menu dropdowns */
.mobile-menu-dropdown-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.mobile-menu-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
  stroke: currentColor;
}

.mobile-menu-dropdown.is-open .mobile-menu-chevron {
  transform: rotate(180deg);
}

.mobile-menu-dropdown-content {
  display: none;
  padding-left: var(--space-4);
  padding-bottom: var(--space-2);
}

.mobile-menu-dropdown.is-open .mobile-menu-dropdown-content {
  display: block;
}

.mobile-menu-sublabel {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: var(--space-2) var(--space-4);
  margin-top: var(--space-2);
}

.mobile-menu-sublabel:first-child {
  margin-top: 0;
}

.mobile-menu-sublink {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-menu-sublink:hover {
  color: var(--accent-primary);
  background: var(--bg-soft);
}

.mobile-menu-cta {
  margin-top: auto;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-light);
}

/* Mobile menu overlay */
.mobile-menu::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  z-index: -1;
}

.mobile-menu.is-open::before {
  opacity: 1;
  left: -100vw;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-space);
  color: white;
  border-radius: var(--radius-md);
  z-index: var(--z-max);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Badge dot */
.badge-dot {
  width: 6px;
  height: 6px;
  background: currentColor;
  border-radius: var(--radius-full);
  animation: pulse 2s ease-in-out infinite;
}