/* =============================================================================
   components.css — VBS Component Library
   Buttons, cards, nav, forms, badges, panels, and the AI Brief Builder UI.
   Import after tokens.css, reset.css, and layout.css.
   ============================================================================= */

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  cursor: pointer;
  position: relative;
  transition:
    box-shadow var(--transition-base),
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
  white-space: nowrap;
}

/* Primary — gold fill */
.btn--primary {
  background-color: var(--color-gold);
  color: #FFFFFF;
  border: none;
}

.btn--primary:hover {
  background-color: #B8922A;
  color: #FFFFFF;
}

/* Ghost — navy border, transparent fill */
.btn--ghost {
  background-color: transparent;
  color: var(--color-navy);
  border: 1.5px solid var(--color-navy);
  box-shadow: none;
}

.btn--ghost:hover {
  background-color: var(--color-navy);
  color: #FFFFFF;
}

/* Stronger ghost buttons — same as ghost on light theme */
.btn--ghost-strong {
  background-color: transparent;
  color: var(--color-navy);
  border: 1.5px solid var(--color-navy);
}

.btn--ghost-strong:hover {
  background-color: var(--color-navy);
  color: #FFFFFF;
}

.nav__cta.btn--ghost {
  background-color: rgba(0, 0, 0, 0.65);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.18);
}

.nav__cta.btn--ghost:hover {
  background-color: rgba(0, 0, 0, 0.85);
  color: #ffffff;
  box-shadow: var(--glow-gold);
}

/* Lightbox image frame hover effect */
[onclick*="openImageModal"]:hover {
  border-color: #e8d4a0;
  box-shadow: 0 12px 32px rgba(201, 168, 76, 0.25);
}


/* Secondary — white fill for dark-background hero sections */
.btn--secondary {
  background-color: #FFFFFF;
  color: var(--color-navy);
  border: none;
}

.btn--secondary:hover {
  background-color: rgba(255,255,255,0.88);
  color: var(--color-navy);
}

.btn--cyan {
  background-color: transparent;
  color: var(--color-cyan);
  border: 1px solid var(--color-cyan);
  box-shadow: none;
}

.btn--cyan:hover {
  box-shadow: var(--glow-cyan);
}

/* Disabled state */
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.35;
  cursor: not-allowed;
  box-shadow: none;
  pointer-events: none;
}

/* Large variant */
.btn--lg {
  font-size: var(--text-small);
  padding: 1.1rem 2.6rem;
}

/* Small variant */
.btn--sm {
  padding: 0.55rem 1.2rem;
  font-size: 0.65rem;
}

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

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: 72px;
  display: flex;
  align-items: center;
  transition:
    background-color var(--transition-base),
    backdrop-filter var(--transition-base),
    border-color var(--transition-base);

  /* Transparent on hero — border always present but subtle */
  background-color: transparent;
  border-bottom: 1px solid var(--color-border);
}

/* Scrolled state — light glass — toggled via JS */
.nav.is-scrolled {
  background-color: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border);
}

.nav__inner {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.nav__logo-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: 0.04em;
}

/* Desktop links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-navy);
  opacity: 0.75;
  transition: color var(--transition-fast), opacity var(--transition-fast);
  position: relative;
  padding-bottom: 2px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-gold);
  transition: width var(--transition-base);
}

.nav__link:hover {
  color: var(--color-gold);
  opacity: 1;
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

.nav__link.is-active {
  color: var(--color-gold);
  opacity: 1;
}

/* CTA button in nav */
.nav__cta {
  margin-left: var(--space-md);
}

/* Hamburger — mobile only */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px;
}

.nav__burger-line {
  width: 100%;
  height: 1.5px;
  background-color: var(--color-cream);
  transition:
    transform var(--transition-base),
    opacity var(--transition-fast);
}

/* Burger open state */
.nav__burger.is-open .nav__burger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav__burger.is-open .nav__burger-line:nth-child(2) {
  opacity: 0;
}

.nav__burger.is-open .nav__burger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile overlay nav */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) - 1);
  background-color: var(--color-bg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.nav__mobile.is-open {
  opacity: 1;
  pointer-events: all;
}

.nav__mobile-link {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 600;
  color: var(--color-cream);
  letter-spacing: 0.04em;
  transition: color var(--transition-fast);
}

.nav__mobile-link:hover,
.nav__mobile-link.is-active {
  color: var(--color-gold);
}

@media (max-width: 768px) {
  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__burger,
  .nav__mobile {
    display: flex;
  }
}

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

.card {
  background: var(--color-surface);
  border: var(--card-border);
  box-shadow: var(--glow-card);
  padding: var(--space-md);
  position: relative;
  overflow: hidden;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.card:hover {
  border-color: var(--color-gold);
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

/* Card variants */
.card--flat {
  transform: none;
}

.card--flat:hover {
  border-color: var(--color-gold);
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  transform: none;
}

.card--cyan {
  border-color: rgba(0, 212, 255, 0.2);
}

.card--cyan:hover {
  border-color: rgba(0, 212, 255, 0.5);
  box-shadow: var(--glow-cyan);
}

/* Card internal elements */
.card__label {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: var(--space-xs);
}

.card__body {
  font-size: var(--text-small);
  color: var(--color-cream);
  opacity: 0.7;
  line-height: 1.6;
}

/* =============================================================================
   PROJECT CARDS  (used in rail and grid)
   ============================================================================= */

.project-card {
  background: var(--card-bg);
  border: var(--card-border);
  padding: var(--space-md);
  width: 340px;
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
  will-change: transform;
}

.project-card:hover,
.project-card.is-active {
  border-color: var(--color-gold);
  box-shadow: var(--glow-gold);
}

.project-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.project-card__client {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 600;
  color: var(--color-cream);
}

.project-card__summary {
  font-size: var(--text-small);
  color: var(--color-cream);
  opacity: 0.65;
  line-height: 1.5;
  margin-top: var(--space-xs);
}

.project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-gold-20);
}

/* =============================================================================
   SECTOR TILES
   ============================================================================= */

.sector-tile {
  background: var(--card-bg);
  border: var(--card-border);
  padding: var(--space-md) var(--space-md) var(--space-lg);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
  text-decoration: none;
  display: block;
}

.sector-tile:hover {
  border-color: rgba(201, 168, 76, 0.5);
  box-shadow: var(--glow-gold);
}

.sector-tile__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  opacity: 0.8;
}

.sector-tile__name {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 500;
  color: var(--color-cream);
  margin-bottom: var(--space-xs);
}

.sector-tile__desc {
  font-size: var(--text-small);
  color: var(--color-cream);
  opacity: 0.65;
  line-height: 1.55;
}

/* Hover reveal text */
.sector-tile__hover-text {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(to top, var(--color-navy), transparent);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.08em;
  color: var(--color-gold);
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity var(--transition-base),
    transform var(--transition-base);
}

.sector-tile:hover .sector-tile__hover-text {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================================================
   PRODUCT SWITCHER
   ============================================================================= */

.product-switcher {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-lg);
  align-items: start;
}

@media (max-width: 900px) {
  .product-switcher {
    grid-template-columns: 1fr;
  }
}

/* Left nav */
.product-nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--color-gold-20);
}

.product-nav__item {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-cream);
  opacity: 0.5;
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition:
    opacity var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    color var(--transition-fast);
}

.product-nav__item:hover {
  opacity: 0.8;
  color: var(--color-cream);
}

.product-nav__item.is-active {
  opacity: 1;
  color: var(--color-gold);
  border-left-color: var(--color-gold);
  box-shadow: -4px 0 20px rgba(201, 168, 76, 0.25);
}

/* Right panel */
.product-panel {
  background: var(--card-bg);
  border: var(--card-border);
  padding: var(--space-lg);
  min-height: 380px;
  position: relative;
  overflow: hidden;
}

.product-panel__inner {
  transition:
    opacity var(--transition-base),
    transform var(--transition-base);
}

.product-panel__inner.is-entering {
  opacity: 0;
  transform: translateX(12px);
}

.product-panel__name {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: 700;
  color: var(--color-cream);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.product-panel__tagline {
  font-size: var(--text-body);
  color: var(--color-cream);
  opacity: 0.65;
  margin-bottom: var(--space-md);
  max-width: 55ch;
}

.product-panel__price {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.1em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.product-panel__caps {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

/* =============================================================================
   BADGES & TAGS
   ============================================================================= */

/* Sector badge */
.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border: 1px solid currentColor;
}

.badge--gold {
  color: var(--color-gold);
  border-color: var(--color-gold-35);
}

.badge--cyan {
  color: var(--color-cyan);
  border-color: var(--color-cyan-30);
}

.badge--cream {
  color: var(--color-cream);
  border-color: rgba(242, 237, 227, 0.25);
  opacity: 0.7;
}

/* Status badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
}

.status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-badge--live {
  color: #166534;
  background: #DCFCE7;
  border: 1px solid #BBF7D0;
}

.status-badge--live::before {
  background-color: #166534;
}

.status-badge--in-build {
  color: #854D0E;
  background: #FEF9C3;
  border: 1px solid #FDE68A;
}

.status-badge--in-build::before {
  background-color: #854D0E;
  animation: pulse-dot 2s ease-in-out infinite;
}

.status-badge--scoped {
  color: #4A5568;
  background: #EEF0F4;
  border: 1px solid rgba(0,31,77,0.15);
}

.status-badge--scoped::before {
  background-color: #4A5568;
}

/* Capability tag */
.cap-tag {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.08em;
  color: var(--color-navy);
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface-2);
}

/* Live dot overline (hero section) */
.live-dot {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-cream);
  opacity: 0.65;
}

.live-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-gold);
  box-shadow: 0 0 8px rgba(201, 168, 76, 0.7);
  animation: pulse-dot 2.4s ease-in-out infinite;
  flex-shrink: 0;
}

/* =============================================================================
   FORMS
   ============================================================================= */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.form-input,
.form-textarea,
.form-select {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-body);
  padding: 0.85rem var(--space-sm);
  border-radius: var(--border-radius);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  width: 100%;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 1;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-light);
  outline: none;
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%23C9A84C' stroke-width='1.5' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-select option {
  background-color: var(--color-surface);
  color: var(--color-text);
}

/* =============================================================================
   SLIDE-IN PANEL  (project detail, etc.)
   ============================================================================= */

.slide-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(560px, 100vw);
  background-color: var(--color-surface);
  border-left: 3px solid var(--color-gold);
  color: var(--color-text);
  z-index: var(--z-panel);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -8px 0 40px rgba(0, 0, 0, 0.6);
}

.slide-panel.is-open {
  transform: translateX(0);
}

.slide-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-gold-20);
  flex-shrink: 0;
}

.slide-panel__close {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.1em;
  color: var(--color-cream);
  opacity: 0.5;
  cursor: pointer;
  padding: 0.4rem;
  transition: opacity var(--transition-fast), color var(--transition-fast);
  background: none;
  border: none;
  text-transform: uppercase;
}

.slide-panel__close:hover {
  opacity: 1;
  color: var(--color-gold);
}

.slide-panel__body {
  padding: var(--space-md);
  flex: 1;
}

/* Overlay backdrop */
.panel-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 13, 26, 0.7);
  z-index: calc(var(--z-panel) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.panel-backdrop.is-visible {
  opacity: 1;
  pointer-events: all;
}

/* =============================================================================
   BENEFITS STRIP
   ============================================================================= */

.benefits-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
}

.benefits-strip__item {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-sm) var(--space-md);
  white-space: nowrap;
}

/* Gold vertical divider between items */
.benefits-strip__item + .benefits-strip__item {
  border-left: 1px solid var(--color-gold-35);
}

@media (max-width: 768px) {
  .benefits-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .benefits-strip__item + .benefits-strip__item {
    border-left: none;
    border-top: 1px solid var(--color-gold-20);
  }
}

/* =============================================================================
   AI BRIEF BUILDER
   ============================================================================= */

.brief-builder {
  background: var(--color-surface);
  border: var(--card-border);
  box-shadow: var(--glow-card);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

/* Step indicator */
.brief-steps {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.brief-step {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.brief-step.is-active {
  color: var(--color-navy);
}

.brief-step.is-done {
  color: var(--color-gold);
}

/* Sector selection tiles */
.brief-sectors {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

@media (max-width: 700px) {
  .brief-sectors {
    grid-template-columns: repeat(2, 1fr);
  }
}

.brief-sector-tile {
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  padding: var(--space-sm);
  text-align: center;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--color-text-sec);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.brief-sector-tile:hover {
  border-color: var(--color-gold);
  background: var(--color-gold-light);
  color: var(--color-navy);
}

.brief-sector-tile.is-selected {
  border-color: var(--color-navy);
  background: rgba(0,31,77,0.06);
  color: var(--color-navy);
  font-weight: 600;
}

/* Question area */
.brief-question {
  margin-bottom: var(--space-lg);
  animation: fade-in 0.3s ease-out;
}

.brief-question__prompt {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--color-cyan);
  margin-bottom: var(--space-sm);
}

.brief-question__options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.brief-option {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.06em;
  color: var(--color-text-sec);
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.brief-option:hover {
  border-color: var(--color-navy);
  color: var(--color-navy);
  background: var(--color-gold-light);
}

.brief-option.is-selected {
  border-color: var(--color-navy);
  color: var(--color-navy);
  background-color: rgba(0,31,77,0.06);
}

/* Output panel */
.brief-output {
  background-color: var(--color-surface-2);
  border: 1px solid var(--color-border-gold);
  padding: var(--space-md);
  position: relative;
}

.brief-output__heading {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
}

.brief-output__text {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--color-text);
  line-height: 1.8;
  white-space: pre-wrap;
}

/* Typing cursor */
.brief-output__text::after {
  content: '▊';
  animation: blink-cursor 1s step-end infinite;
  opacity: 1;
}

.brief-output__text.is-done::after {
  display: none;
}

.brief-output__actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

/* Loading state */
.brief-loading {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.brief-loading::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-cyan);
  animation: pulse-dot 1.2s ease-in-out infinite;
  flex-shrink: 0;
}

/* =============================================================================
   FILTER BUTTONS  (projects page)
   ============================================================================= */

.filter-btn {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-sec);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0.4rem 0;
  cursor: pointer;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.filter-btn:hover {
  color: var(--color-navy);
}

.filter-btn.is-active {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

/* =============================================================================
   PROJECT TICKER RAIL
   ============================================================================= */

.ticker-track {
  overflow: hidden;
  position: relative;
  padding-block: var(--space-sm);
  cursor: grab;
}

.ticker-track.is-dragging {
  cursor: grabbing;
}

.ticker-rail {
  display: flex;
  gap: var(--space-md);
  will-change: transform;
  transition: none;
  width: max-content;
}

.ticker-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  justify-content: flex-end;
}

.ticker-arrow {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-gold-35);
  color: var(--color-gold);
  cursor: pointer;
  transition:
    box-shadow var(--transition-base),
    border-color var(--transition-fast);
  background: none;
}

.ticker-arrow:hover {
  box-shadow: var(--glow-gold);
  border-color: var(--color-gold);
}

.ticker-arrow:disabled {
  opacity: 0.2;
  cursor: default;
  box-shadow: none;
}

/* =============================================================================
   FOOTER
   ============================================================================= */

.footer {
  background-color: var(--color-navy);
  border-top: 1px solid var(--color-gold-20);
  padding-block: var(--space-xl) var(--space-lg);
  color: rgba(255,255,255,0.85);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
}

@media (max-width: 600px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: rgba(255,255,255,0.92);
  margin-bottom: var(--space-xs);
}

.footer__tagline {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.1em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.footer__col-heading {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__link {
  font-size: var(--text-small);
  color: rgba(255,255,255,0.6);
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.footer__link:hover {
  opacity: 1;
  color: var(--color-gold);
}

.footer__base {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-gold-20);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__legal {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.35);
}

/* Ghost button inside the dark footer */
.footer .btn--ghost {
  border-color: rgba(255,255,255,0.4);
  color: rgba(255,255,255,0.85);
}

.footer .btn--ghost:hover {
  background-color: rgba(255,255,255,0.1);
  color: #FFFFFF;
  border-color: rgba(255,255,255,0.7);
}