/* ============================================
   CourseraVoyant Inc. — Component Styles
   Header · Footer · Nav · Buttons · Cards ·
   Forms · Breadcrumbs · Back-to-Top
   ============================================ */

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: var(--z-header);
  background-color: rgba(10, 31, 61, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: height var(--transition-base), background-color var(--transition-base), box-shadow var(--transition-base);
  border-bottom: 1px solid rgba(197, 165, 114, 0.15);
}

.site-header--scrolled {
  height: var(--header-height-scrolled);
  background-color: rgba(10, 31, 61, 0.98);
  box-shadow: var(--shadow-lg);
}

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

/* ---- Logo ---- */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3xs);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: 1.25rem;
  line-height: 1;
  letter-spacing: var(--ls-tight);
  transition: opacity var(--transition-fast);
}

.logo:hover {
  color: var(--color-white);
  opacity: 0.9;
}

.logo__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  flex-shrink: 0;
}

.logo__icon svg,
.logo__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo__name {
  font-size: 1.125rem;
  color: var(--color-white);
}

.logo__tagline {
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-gold-light);
}

/* ---- Main Nav ---- */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  list-style: none;
  padding: 0;
  margin: 0;
}

.main-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: var(--ls-wide);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.main-nav__link:hover {
  color: var(--color-gold);
  background-color: rgba(255, 255, 255, 0.06);
}

.main-nav__link--active {
  color: var(--color-gold);
}

.main-nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background-color: var(--color-gold);
  border-radius: var(--radius-full);
}

.main-nav__item {
  position: relative;
}

/* ---- CTA Button in Header ---- */
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-navy);
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  border-radius: var(--radius-full);
  letter-spacing: var(--ls-wide);
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  margin-left: var(--space-sm);
}

.header-cta:hover {
  color: var(--color-navy);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

/* ---- Mobile Menu Toggle ---- */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle--active .menu-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle--active .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle--active .menu-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- Mobile Nav Drawer ---- */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: var(--color-navy);
  z-index: var(--z-header);
  padding: var(--space-xl) var(--container-padding);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

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

.mobile-nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav__item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-md) 0;
  font-size: var(--fs-body-lg);
  font-weight: var(--fw-medium);
  color: var(--color-white);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-nav__link:hover,
.mobile-nav__link--active {
  color: var(--color-gold);
  padding-left: var(--space-sm);
}

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

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background-color: var(--color-navy);
  color: rgba(255, 255, 255, 0.7);
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-xl);
  border-top: 1px solid rgba(197, 165, 114, 0.15);
}

.footer-top {
  display: flex;
  justify-content: center;
  text-align: center;
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 720px;
}

.footer-brand__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xs);
  margin-bottom: var(--space-lg);
}

.footer-brand__logo .logo__name {
  font-size: 1.4rem;
}

.footer-brand__desc {
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: rgba(255, 255, 255, 0.6);
  margin: 0 auto;
  max-width: 680px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  font-size: var(--fs-body-sm);
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom__legal {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-bottom__legal a {
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer-bottom__legal a:hover {
  color: var(--color-gold);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-navy);
  box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
  color: var(--color-navy);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(197, 165, 114, 0.45);
}

.btn--secondary {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.btn--secondary:hover {
  color: var(--color-white);
  background-color: var(--color-navy-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

.btn--outline:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.btn--outline-light {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--outline-light:hover {
  color: var(--color-white);
  border-color: var(--color-gold);
  background-color: rgba(197, 165, 114, 0.1);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-navy);
  padding-left: var(--space-sm);
  padding-right: var(--space-sm);
}

.btn--ghost:hover {
  color: var(--color-gold);
}

.btn--lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--fs-body-lg);
}

.btn--sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--fs-body-sm);
}

.btn--block {
  width: 100%;
  display: flex;
}

.btn--icon {
  padding: var(--space-sm);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid var(--color-border);
}

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

/* ---- Service Card ---- */
.service-card {
  position: relative;
  padding: var(--space-2xl);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gold-light);
}

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

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(197, 165, 114, 0.12), rgba(197, 165, 114, 0.04));
  color: var(--color-gold);
  margin-bottom: var(--space-lg);
}

.service-card__icon svg {
  width: 32px;
  height: 32px;
}

.service-card__number {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: var(--fw-bold);
  color: var(--color-bg-alt);
  line-height: 1;
  z-index: 0;
}

.service-card__title {
  font-size: var(--fs-h4);
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 1;
}

.service-card__desc {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  position: relative;
  z-index: 1;
}

.service-card__features {
  list-style: none;
  padding: 0;
  margin: var(--space-lg) 0 0;
}

.service-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.service-card__features li svg {
  width: 18px;
  height: 18px;
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---- Insight Card ---- */
.insight-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  height: 100%;
}

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

.insight-card__image {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.insight-card__image svg {
  width: 100%;
  height: 100%;
}

.insight-card__category {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  padding: var(--space-3xs) var(--space-sm);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-white);
  background-color: var(--color-navy);
  border-radius: var(--radius-sm);
}

.insight-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-lg);
}

.insight-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.insight-card__meta svg {
  width: 14px;
  height: 14px;
}

.insight-card__title {
  font-size: var(--fs-body-lg);
  font-weight: var(--fw-semibold);
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
  line-height: var(--lh-snug);
  transition: color var(--transition-fast);
}

.insight-card:hover .insight-card__title {
  color: var(--color-gold);
}

.insight-card__excerpt {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-md);
  flex: 1;
}

.insight-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-gold);
  letter-spacing: var(--ls-wide);
  margin-top: auto;
}

.insight-card__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.insight-card:hover .insight-card__link svg {
  transform: translateX(4px);
}

/* ---- Value Card ---- */
.value-card {
  padding: var(--space-2xl);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  height: 100%;
}

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

.value-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-light));
  color: var(--color-gold-light);
  margin-bottom: var(--space-lg);
}

.value-card__icon svg {
  width: 36px;
  height: 36px;
}

.value-card__title {
  font-size: var(--fs-h4);
  margin-bottom: var(--space-sm);
}

.value-card__desc {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

/* ---- Feature Card ---- */
.feature-card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.feature-card:hover {
  border-color: var(--color-gold-light);
  box-shadow: var(--shadow-md);
}

.feature-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: rgba(197, 165, 114, 0.1);
  color: var(--color-gold);
  flex-shrink: 0;
}

.feature-card__icon svg {
  width: 24px;
  height: 24px;
}

.feature-card__title {
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-2xs);
}

.feature-card__desc {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-normal);
}

/* ---- Team Card ---- */
.team-card {
  text-align: center;
  padding: var(--space-xl);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.team-card__avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto var(--space-lg);
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold-light);
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: var(--fw-bold);
  border: 3px solid var(--color-gold-light);
}

.team-card__name {
  font-size: var(--fs-body-lg);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-2xs);
}

.team-card__role {
  font-size: var(--fs-body-sm);
  color: var(--color-gold);
  font-weight: var(--fw-medium);
  margin-bottom: var(--space-sm);
}

.team-card__bio {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

/* ============================================
   METRICS / STATS
   ============================================ */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.metric-item {
  text-align: center;
  padding: var(--space-xl);
  position: relative;
}

.metric-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: calc(var(--space-xl) / -2);
  top: 20%;
  height: 60%;
  width: 1px;
  background-color: rgba(197, 165, 114, 0.2);
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: var(--fw-bold);
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.metric-value__suffix {
  font-size: 1.5rem;
  color: var(--color-gold-light);
}

.metric-label {
  font-size: var(--fs-body-sm);
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

.metric-item--light .metric-value {
  color: var(--color-navy);
}

.metric-item--light .metric-value__suffix {
  color: var(--color-gold);
}

.metric-item--light .metric-label {
  color: var(--color-text-secondary);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-label {
  display: block;
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
  letter-spacing: var(--ls-wide);
}

.form-label .required {
  color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-md) var(--space-md);
  font-size: var(--fs-body);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  font-family: var(--font-body);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(197, 165, 114, 0.15);
}

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

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

.form-select {
  appearance: none;
  -webkit-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='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-hint {
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  margin-top: var(--space-2xs);
}

.form-error {
  font-size: var(--fs-caption);
  color: var(--color-error);
  margin-top: var(--space-2xs);
  display: none;
}

.form-error--visible {
  display: block;
}

.form-input--error,
.form-textarea--error,
.form-select--error {
  border-color: var(--color-error);
}

/* ---- Form Status Messages ---- */
.form-message {
  display: none;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--fs-body-sm);
  margin-bottom: var(--space-lg);
}

.form-message--success {
  display: block;
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-message--error {
  display: block;
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ---- Checkbox & Radio ---- */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.form-check__input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-gold);
  cursor: pointer;
}

.form-check__label {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-normal);
  cursor: pointer;
}

/* ============================================
   BREADCRUMBS
   ============================================ */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-md) 0;
  font-size: var(--fs-body-sm);
}

.breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  color: var(--color-text-secondary);
}

.breadcrumbs__item:not(:last-child)::after {
  content: '/';
  color: var(--color-text-muted);
  margin-left: var(--space-2xs);
}

.breadcrumbs__link {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumbs__link:hover {
  color: var(--color-gold);
}

.breadcrumbs__current {
  color: var(--color-navy);
  font-weight: var(--fw-medium);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-navy);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
  z-index: var(--z-sticky);
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.back-to-top svg {
  width: 22px;
  height: 22px;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  margin-top: var(--space-3xl);
}

.pagination__item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-sm);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination__item:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.pagination__item--active {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.pagination__item--active:hover {
  color: var(--color-white);
}

.pagination__item--disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ============================================
   FILTER TABS
   ============================================ */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.filter-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-lg);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.filter-tab--active {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.filter-tab--active:hover {
  color: var(--color-white);
}

/* ============================================
   BADGE
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-3xs) var(--space-sm);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}

.badge--gold {
  background-color: rgba(197, 165, 114, 0.15);
  color: var(--color-gold-dark);
}

.badge--navy {
  background-color: rgba(10, 31, 61, 0.1);
  color: var(--color-navy);
}

.badge--success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

/* ============================================
   TIMELINE / PROCESS
   ============================================ */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light), var(--color-gold));
  z-index: 0;
}

.process-step {
  position: relative;
  text-align: center;
  z-index: 1;
}

.process-step__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  border-radius: 50%;
  background-color: var(--color-white);
  border: 3px solid var(--color-gold);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  color: var(--color-navy);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base);
}

.process-step:hover .process-step__number {
  transform: scale(1.1);
  background-color: var(--color-gold);
  color: var(--color-white);
}

.process-step__title {
  font-size: var(--fs-body-lg);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-xs);
}

.process-step__desc {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

/* ============================================
   SHARE BUTTONS
   ============================================ */
.share-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.share-buttons__label {
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  margin-right: var(--space-xs);
}

.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-light);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.share-btn:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
  transform: translateY(-2px);
}

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

/* ============================================
   CONTACT INFO BLOCK
   ============================================ */
.contact-info-block {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-info-block:hover {
  border-color: var(--color-gold-light);
  box-shadow: var(--shadow-sm);
}

.contact-info-block__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-light));
  color: var(--color-gold-light);
  flex-shrink: 0;
}

.contact-info-block__icon svg {
  width: 24px;
  height: 24px;
}

.contact-info-block__label {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xs);
}

.contact-info-block__value {
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  color: var(--color-navy);
  line-height: var(--lh-snug);
}

/* ============================================
   LOADER / SPINNER
   ============================================ */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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