/* ============================================
   REVENUE SYNERGY — SUBPAGE & COMPONENT STYLES
   Dropdown nav, page heroes, service/specialty pages
   ============================================ */

/* --- Nav Dropdowns --- */
.nav__dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.nav__dropdown > .nav__link {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 36px;
}

/* Small dropdown (About) */
.nav__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  padding: 0.75rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  z-index: 100;
  min-width: 240px;
}

.nav__dropdown:hover > .nav__dropdown-menu,
.nav__dropdown:hover > .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown-menu--compact a {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  transition: background 0.15s ease;
}

.nav__dropdown-menu--compact a:hover {
  background: var(--blue-50);
}

.nav__dropdown-menu--compact a strong {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
}

/* ---- Mega Panel (Services & Who We Serve) ---- */
.mega-panel {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: 0 20px 60px rgba(0,0,0,0.1), 0 4px 16px rgba(0,0,0,0.06);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.3s ease;
  z-index: 100;
}

.mega-panel__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 2rem 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
}

.mega-panel__inner--services {
  grid-template-columns: 1fr 240px 240px;
}

/* RevSyn AI column */
.mega-panel__ai-col {
  display: flex;
  align-items: stretch;
}

.mega-panel__heading {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gray-400);
  margin-bottom: 0.75rem;
  padding-left: 0.5rem;
}

.mega-panel__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  transition: background 0.15s ease;
  text-decoration: none;
}

.mega-panel__item:hover {
  background: var(--blue-50);
}

.mega-panel__icon {
  position: relative;
  min-width: 36px;
  width: 36px;
  min-height: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: #EFF6FF;
  color: #1E3A8A;
  flex-shrink: 0;
}

.mega-panel__icon svg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 18px;
  height: 18px;
  stroke: #1E3A8A;
}

.mega-panel__item:hover .mega-panel__icon {
  background: #DBEAFE;
}

.mega-panel__item:hover .mega-panel__icon svg {
  stroke: #1E40AF;
}

.mega-panel__item strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-900);
  line-height: 1.3;
}

.mega-panel__item span {
  display: block;
  font-size: 0.75rem;
  color: var(--gray-400);
  line-height: 1.3;
  margin-top: 1px;
}

/* CTA sidebar in Services panel */
.mega-panel__cta-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}

.mega-panel__cta-card {
  background: linear-gradient(135deg, #F0F9FF, #EFF6FF);
  border: 1px solid #DBEAFE;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  text-align: center;
}

.mega-panel__cta-card svg {
  margin-bottom: 0.75rem;
}

.mega-panel__cta-card strong {
  display: block;
  font-size: 0.95rem;
  color: var(--blue-900);
  margin-bottom: 0.5rem;
}

.mega-panel__cta-card p {
  font-size: 0.8rem;
  color: var(--gray-500);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.mega-panel__cta-card .btn {
  width: 100%;
  justify-content: center;
}

.mega-panel__phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  color: var(--gray-500);
  font-size: 0.8rem;
}

.mega-panel__phone strong {
  color: var(--blue-900);
}

/* RevSyn AI promo card in Services mega panel */
.mega-panel__ai-card {
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, #1E3A8A, #1E40AF);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}

.mega-panel__ai-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.2);
}

.mega-panel__ai-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.mega-panel__ai-card-header strong {
  font-size: 0.85rem;
  color: #38BDF8;
  font-weight: 700;
}

.mega-panel__ai-card p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.mega-panel__ai-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: #38BDF8;
  transition: color 0.15s ease;
}

.mega-panel__ai-card:hover .mega-panel__ai-link {
  color: #7DD3FC;
}

/* Mobile nav accordion */
.mobile-nav__accordion {
  border-bottom: 1px solid var(--gray-100);
}

.mobile-nav__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.875rem 1.25rem;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-700);
  cursor: pointer;
  font-family: inherit;
}

.mobile-nav__toggle svg {
  transition: transform 0.25s ease;
}

.mobile-nav__toggle.open svg {
  transform: rotate(180deg);
}

.mobile-nav__sub a {
  display: flex;
  align-items: center;
  padding: 0.625rem 0.75rem;
  min-height: 44px;
  font-size: 0.9rem;
  color: var(--gray-500);
  transition: color 0.15s ease;
}

.mobile-nav__sub a:hover {
  color: var(--blue-700);
}

.nav__link.active {
  color: var(--blue-900);
  font-weight: 600;
}

/* --- Page Hero (subpages) --- */
.page-hero {
  background: var(--grad-dark);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(14, 165, 233, 0.12) 0%, transparent 60%);
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.4);
  margin-bottom: 1.5rem;
}

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

.page-hero__breadcrumb a:hover { color: var(--teal-300); }
.page-hero__breadcrumb span { color: rgba(255,255,255,0.25); }

.page-hero__tag {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal-300);
  background: rgba(14, 165, 233, 0.12);
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.page-hero h1 {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 1rem;
  max-width: 800px;
  letter-spacing: -0.02em;
}

.page-hero__subtitle {
  font-size: var(--font-size-xl);
  color: rgba(255,255,255,0.65);
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.page-hero__stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.page-hero__stat {
  display: flex;
  flex-direction: column;
}

.page-hero__stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--white);
}

.page-hero__stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.45);
}

.page-hero__ctas {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

/* --- Content Sections (subpages) --- */
.content-section {
  padding: 5rem 0;
}

.content-section--alt {
  background: var(--gray-50);
}

.content-section--dark {
  background: var(--grad-dark);
  color: var(--white);
}

.content-section__header {
  max-width: 680px;
  margin-bottom: 3rem;
}

.content-section__header.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.content-section__tag {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal-500);
  margin-bottom: 0.75rem;
}

.content-section__title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.content-section--dark .content-section__title {
  color: var(--white);
}

.content-section__subtitle {
  font-size: var(--font-size-lg);
  color: var(--gray-500);
  line-height: 1.7;
}

/* --- Feature Grid (services/specialty pages) --- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-900);
  margin-bottom: 1.25rem;
}

.feature-card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.feature-card__desc {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.6;
}

/* --- Process Steps --- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}

.process-step {
  position: relative;
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  counter-increment: step;
}

.process-step::before {
  content: counter(step, decimal-leading-zero);
  font-size: var(--font-size-4xl);
  font-weight: 900;
  color: var(--blue-50);
  line-height: 1;
  margin-bottom: 1rem;
  display: block;
}

.process-step__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.process-step__desc {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.6;
}

/* --- Two Column Content --- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.two-col--reverse { direction: rtl; }
.two-col--reverse > * { direction: ltr; }

.two-col__content h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.two-col__content p {
  color: var(--gray-500);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.two-col__content ul {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 1.5rem;
}

.two-col__content ul li {
  font-size: var(--font-size-base);
  color: var(--gray-600);
  padding-left: 1.5rem;
  position: relative;
}

.two-col__content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal-500);
}

.two-col__visual {
  background: var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  position: relative;
  overflow: hidden;
}

.two-col__visual--dark {
  background: var(--grad-dark);
}

/* --- Stat Banner (inline stats row) --- */
.stat-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 3rem 0;
}

.stat-banner__item {
  text-align: center;
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
}

.stat-banner__value {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--blue-900);
}

.stat-banner__label {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  margin-top: 0.25rem;
}

/* --- FAQ Accordion --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-900);
  text-align: left;
  transition: background var(--transition-fast);
}

.faq-question:hover { background: var(--gray-50); }

.faq-question svg {
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer__inner {
  padding: 0 1.5rem 1.25rem;
  font-size: var(--font-size-base);
  color: var(--gray-500);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

/* --- CTA Banner (shared across subpages) --- */
.cta-banner {
  background: var(--grad-dark);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.cta-banner__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(14, 165, 233, 0.1) 0%, transparent 60%);
}

.cta-banner__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.cta-banner__content h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.cta-banner__content p {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.6);
  max-width: 500px;
}

.cta-banner__actions {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* --- Team Grid --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.team-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-base);
}

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

.team-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--grad-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--white);
  margin: 0 auto 1rem;
}

.team-card__name {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--gray-900);
}

.team-card__role {
  font-size: var(--font-size-sm);
  color: var(--gray-400);
}

.team-grid--leaders {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
  align-items: stretch;
}

.team-grid--leaders .team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2.5rem 1.75rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.team-grid--leaders .team-card__avatar {
  width: 88px;
  height: 88px;
  font-size: 1.6rem;
  margin: 0 auto 1.25rem;
  flex-shrink: 0;
}

.team-grid--leaders .team-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.team-grid--leaders .team-card__role {
  color: var(--teal-500) !important;
  font-weight: 600;
  font-size: var(--font-size-sm);
  margin-bottom: 1rem;
}

.team-grid--leaders .team-card p:last-child {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .team-grid--leaders { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .team-grid--leaders .team-card { padding: 2rem 1.25rem; }
}

@media (max-width: 768px) {
  .team-grid--leaders { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
}

/* --- Blog Card (enhanced for blog index) --- */
.blog-grid--full {
  grid-template-columns: repeat(3, 1fr);
}

/* --- Case Study Detail --- */
.case-detail__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.case-detail__metric {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  text-align: center;
}

.case-detail__metric-label {
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  margin-bottom: 0.5rem;
  display: block;
}

.case-detail__metric-before {
  font-size: var(--font-size-lg);
  color: var(--gray-400);
  text-decoration: line-through;
}

.case-detail__metric-arrow {
  color: var(--green-500);
  margin: 0 0.5rem;
}

.case-detail__metric-after {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--green-500);
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}

.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.contact-form .form-group {
  margin-bottom: 1rem;
}

.contact-form label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.375rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--gray-900);
  transition: border-color var(--transition-fast);
  background: var(--white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--teal-500);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info__card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

.contact-info__card h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.contact-info__card p, .contact-info__card a {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.6;
}

.contact-info__card a:hover { color: var(--blue-900); }

/* --- Responsive subpages --- */
@media (max-width: 1024px) {
  .nav__dropdown-menu { display: none !important; }
  .mega-panel { display: none !important; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; gap: 2rem; }
  .two-col--reverse { direction: ltr; }
  .stat-banner { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-banner__inner { flex-direction: column; text-align: center; }
  .cta-banner__content p { margin: 0 auto; }
  .cta-banner__actions { justify-content: center; }
  .page-hero h1 { font-size: var(--font-size-4xl); }
}

@media (max-width: 768px) {
  .page-hero { padding: 100px 0 50px; text-align: center; }
  .page-hero h1 { font-size: var(--font-size-3xl); }
  .page-hero__subtitle { font-size: var(--font-size-base); }
  .page-hero__breadcrumb { justify-content: center; }
  .page-hero__stats { gap: 1.5rem; justify-content: center; flex-wrap: wrap; }
  .page-hero__ctas { justify-content: center; flex-direction: column; align-items: center; }
  .page-hero__ctas .btn { width: 100%; justify-content: center; }
  .feature-grid { grid-template-columns: 1fr; gap: 1rem; }
  .feature-card { padding: 1.25rem; }
  .process-steps { grid-template-columns: 1fr; gap: 1.5rem; }
  .process-step { padding: 1.25rem; }
  .stat-banner { grid-template-columns: repeat(2, 1fr); gap: 1rem; padding: 2rem 1rem; }
  .stat-banner__value { font-size: var(--font-size-2xl); }
  .team-grid { grid-template-columns: 1fr; }
  .contact-form .form-row { grid-template-columns: 1fr; }
  .case-detail__metrics { grid-template-columns: 1fr; }
  .faq-question { font-size: var(--font-size-base); padding: 1rem; }
  .faq-answer__inner { padding: 0 1rem 1rem; }
  .content-section { padding: 3rem 0; }
  .content-section__header { text-align: center; }
  .two-col__visual { display: none; }
  .breadcrumbs { justify-content: center; font-size: var(--font-size-xs); }
}

@media (max-width: 480px) {
  .page-hero { padding: 90px 0 40px; }
  .page-hero h1 { font-size: var(--font-size-2xl); }
  .page-hero__tag { font-size: 0.7rem; }
  .stat-banner { grid-template-columns: 1fr; }
  .feature-card__title { font-size: var(--font-size-base); }
}