/* ==========================================================================
   GALVIN SANJAY - UI COMPONENTS
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Navigation Bar
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  padding: 0.85rem 0;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #ffffff;
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.35rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--grad-primary);
  border-radius: 2px;
  transition: width var(--transition-base);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  gap: 5px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: all var(--transition-base);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 360px;
  height: 100vh;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid var(--border-medium);
  padding: 5.5rem 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 999;
  transition: right var(--transition-smooth);
}

.mobile-menu.open {
  right: 0;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-link {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

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

.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-menu-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 960px) {
  .nav-links {
    display: none;
  }
  .nav-actions .btn-nav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
}

/* --------------------------------------------------------------------------
   2. Buttons & Interactive Links
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-primary {
  background: var(--grad-primary);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.55);
  color: #ffffff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-bright);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-outline-glow {
  background: rgba(6, 182, 212, 0.05);
  color: var(--accent-cyan-light);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.btn-outline-glow:hover {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
  transform: translateY(-2px);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent-cyan);
  transition: gap var(--transition-fast);
}

.link-arrow:hover {
  color: var(--accent-cyan-light);
  gap: 0.65rem;
}

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

.link-arrow:hover svg {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   3. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(80px + var(--space-2xl));
  padding-bottom: var(--space-3xl);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.hero-title {
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.hero-supporting-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  border-left: 3px solid var(--accent-blue);
  padding-left: 1rem;
}

.hero-copy {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.65;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

/* Hero Trust Indicators Credibility Row */
.hero-trust-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding-top: var(--space-xl);
  margin-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

.trust-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.trust-label {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.trust-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.3;
}

/* Hero Right Interactive Visual Canvas / Network Container */
.hero-visual-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 520px;
  margin: 0 auto;
}

.hero-canvas-container {
  width: 100%;
  height: 100%;
  position: relative;
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at center, rgba(19, 27, 46, 0.8) 0%, rgba(7, 10, 17, 0.95) 100%);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), inset 0 0 40px rgba(59, 130, 246, 0.05);
}

#hero-network-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-visual-badge {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(13, 18, 31, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-medium);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  pointer-events: none;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.status-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse-dot 2s infinite;
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  .hero-visual-wrapper {
    max-width: 440px;
  }
  .hero-section {
    padding-top: calc(80px + var(--space-xl));
  }
}

@media (max-width: 640px) {
  .hero-trust-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   4. SEO Intro Section
   -------------------------------------------------------------------------- */
.seo-intro-card {
  padding: clamp(2rem, 1.5rem + 2vw, 3.5rem);
  background: linear-gradient(145deg, rgba(16, 23, 39, 0.75) 0%, rgba(9, 13, 22, 0.9) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.seo-intro-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-primary);
}

.seo-lead-text {
  font-size: var(--text-xl);
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: var(--space-2xl);
  max-width: 1040px;
}

.seo-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.seo-feature-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.seo-feature-item:hover {
  background: rgba(59, 130, 246, 0.05);
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.seo-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.25rem;
}

.seo-feature-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
}

.seo-feature-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .seo-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .seo-features-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   5. About Section
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-photo-wrapper {
  position: relative;
  max-width: 440px;
  margin: 0 auto;
}

.about-photo-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-medium);
  background: var(--bg-tertiary);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(59, 130, 246, 0.15);
}

.about-img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
  filter: contrast(1.03) brightness(0.98);
  transition: transform var(--transition-smooth);
}

.about-photo-card:hover .about-img {
  transform: scale(1.02);
}

.about-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(7, 10, 17, 0.85) 100%);
  pointer-events: none;
}

.about-photo-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  background: rgba(13, 18, 31, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-medium);
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.badge-name {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.badge-location {
  font-size: var(--text-xs);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.about-story {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-paragraph {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

.about-quote-box {
  margin-top: var(--space-md);
  padding: 1.5rem;
  background: rgba(59, 130, 246, 0.05);
  border-left: 3px solid var(--accent-cyan);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: var(--text-base);
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.6;
}

@media (max-width: 960px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

/* --------------------------------------------------------------------------
   6. Expertise Section (4 Cards)
   -------------------------------------------------------------------------- */
.expertise-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--grad-card-border);
  transition: background var(--transition-base);
}

.expertise-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(59, 130, 246, 0.15);
}

.expertise-card:hover::before {
  background: var(--grad-primary);
}

.expertise-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.expertise-index {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.08);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.expertise-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.expertise-title {
  font-size: var(--text-xl);
  margin-bottom: 0.85rem;
}

.expertise-desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.expertise-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tag-pill {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  padding: 0.3rem 0.65rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.tag-pill:hover {
  background: rgba(59, 130, 246, 0.1);
  color: var(--text-primary);
  border-color: var(--border-accent);
}

.expertise-card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

/* --------------------------------------------------------------------------
   7. Unique Value Proposition (UVP)
   -------------------------------------------------------------------------- */
.uvp-wrapper {
  background: linear-gradient(160deg, rgba(16, 23, 39, 0.8) 0%, rgba(7, 10, 17, 0.95) 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 1.5rem + 3vw, 4rem);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.uvp-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-3xl);
}

.uvp-subheadline {
  font-size: var(--text-xl);
  color: var(--accent-cyan);
  font-weight: 600;
  margin-top: 0.5rem;
}

/* Interactive Pipeline Visual */
.uvp-pipeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  align-items: center;
  position: relative;
  margin-bottom: var(--space-3xl);
}

.pipeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 1rem;
  background: rgba(13, 18, 31, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  position: relative;
  transition: all var(--transition-base);
  cursor: pointer;
}

.pipeline-step:hover,
.pipeline-step.active {
  background: rgba(22, 33, 56, 0.95);
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(6, 182, 212, 0.2);
}

.pipeline-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.pipeline-step.active .pipeline-step-num {
  background: var(--grad-primary);
  color: #ffffff;
  border-color: transparent;
}

.pipeline-step-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
}

.pipeline-step-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.4;
}

.pipeline-connector {
  position: absolute;
  top: 50%;
  right: -12px;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  z-index: 2;
  pointer-events: none;
}

.uvp-growth-step {
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.06);
}
.uvp-growth-step:hover,
.uvp-growth-step.active {
  border-color: var(--accent-emerald);
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.25);
}

.uvp-narrative-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
}

.uvp-narrative-card {
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.uvp-narrative-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.uvp-narrative-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .uvp-pipeline {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .pipeline-connector {
    top: auto;
    bottom: -14px;
    right: 50%;
    transform: translateX(50%) rotate(90deg);
  }
  .uvp-narrative-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .uvp-narrative-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   8. SEO Services in Chennai & Local Authority
   -------------------------------------------------------------------------- */
.seo-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.service-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(59, 130, 246, 0.1);
}

.service-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  color: var(--accent-cyan-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.service-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.service-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Local Authority Card */
.chennai-authority-card {
  padding: clamp(2rem, 1.5rem + 2vw, 3rem);
  background: linear-gradient(135deg, rgba(16, 23, 39, 0.8) 0%, rgba(13, 18, 31, 0.9) 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-2xl);
  align-items: center;
}

.chennai-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.chennai-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.chennai-stat-box {
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
}

.chennai-stat-val {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.chennai-stat-lbl {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

@media (max-width: 1024px) {
  .seo-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .chennai-authority-card {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .seo-services-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   9. AI Marketing Interactive Workflow Simulator
   -------------------------------------------------------------------------- */
.workflow-simulator-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.simulator-header {
  padding: 1.5rem 2rem;
  background: rgba(13, 18, 31, 0.95);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.simulator-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.simulator-stage-track {
  display: flex;
  align-items: center;
  overflow-x: auto;
  padding: 1.5rem 2rem;
  background: rgba(7, 10, 17, 0.6);
  border-bottom: 1px solid var(--border-subtle);
  gap: 0.5rem;
  scrollbar-width: thin;
}

.workflow-node {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.workflow-node:hover,
.workflow-node.active {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--accent-blue-light);
  color: #ffffff;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.workflow-node-arrow {
  color: var(--text-dim);
  display: flex;
  align-items: center;
}

.simulator-body {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  min-height: 380px;
}

.simulator-terminal {
  background: #06090e;
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: #93c5fd;
  border-right: 1px solid var(--border-subtle);
  overflow-y: auto;
  max-height: 420px;
  line-height: 1.6;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.simulator-details {
  padding: 2rem;
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.agent-preset-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.agent-preset-btn {
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.agent-preset-btn:hover,
.agent-preset-btn.active {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--accent-cyan);
  color: #ffffff;
}

@media (max-width: 960px) {
  .simulator-body {
    grid-template-columns: 1fr;
  }
  .simulator-terminal {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
}

/* --------------------------------------------------------------------------
   10. The AI Lab & Experiments
   -------------------------------------------------------------------------- */
.lab-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.lab-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.lab-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  background: var(--bg-card-hover);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 25px rgba(139, 92, 246, 0.15);
}

.lab-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.lab-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald-light);
}

.lab-status-badge.status-prototype {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--accent-blue-light);
}

.lab-status-badge.status-research {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.3);
  color: var(--accent-violet-light);
}

.lab-title {
  font-size: var(--text-xl);
  margin-bottom: 0.75rem;
}

.lab-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

@media (max-width: 1024px) {
  .lab-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .lab-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   11. Selected Work & Portfolio
   -------------------------------------------------------------------------- */
.filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-3xl);
}

.filter-btn {
  padding: 0.5rem 1.15rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--grad-primary);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

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

.project-media-placeholder {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, rgba(19, 27, 46, 0.9) 0%, rgba(10, 15, 26, 0.95) 100%);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
  position: relative;
}

.project-media-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--accent-blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.project-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.project-category {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-cyan);
  margin-bottom: 0.4rem;
}

.project-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.project-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.project-pill {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 0.2rem 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   12. Case Studies (Challenge / Strategy / Execution / Result)
   -------------------------------------------------------------------------- */
.case-studies-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.case-study-card {
  padding: clamp(2rem, 1.5rem + 2vw, 3rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.case-study-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-lg);
}

.case-study-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: var(--space-xl);
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.case-study-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pillar-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pillar-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
}

.pillar-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.pillar-result-box {
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-emerald-light);
}

@media (max-width: 1024px) {
  .case-study-pillars {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .case-study-pillars {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   13. Personal Philosophy
   -------------------------------------------------------------------------- */
.philosophy-banner {
  padding: clamp(2.5rem, 2rem + 3vw, 4.5rem);
  background: linear-gradient(135deg, rgba(16, 23, 39, 0.85) 0%, rgba(9, 13, 22, 0.95) 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.philosophy-headline {
  font-size: clamp(1.75rem, 1.4rem + 1.8vw, 2.75rem);
  font-weight: 800;
  max-width: 860px;
  margin: 0 auto var(--space-3xl);
  line-height: 1.25;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  text-align: left;
}

.philosophy-card {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.philosophy-card:hover {
  background: rgba(59, 130, 246, 0.05);
  border-color: var(--border-accent);
  transform: translateY(-3px);
}

.philosophy-card-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.philosophy-card-title {
  font-size: var(--text-xl);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.philosophy-card-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 860px) {
  .philosophy-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   14. Insights / Articles
   -------------------------------------------------------------------------- */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.insight-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-base);
  cursor: pointer;
}

.insight-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-lg);
}

.insight-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.insight-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.08);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.insight-read-time {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.insight-title {
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.insight-excerpt {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

@media (max-width: 1024px) {
  .insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .insights-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   15. FAQ Section (Accordion & Search)
   -------------------------------------------------------------------------- */
.faq-search-box {
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
  position: relative;
}

.faq-search-input {
  width: 100%;
  padding: 0.85rem 1.25rem 0.85rem 2.85rem;
  background: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.faq-search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
  outline: none;
}

.faq-search-icon {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.faq-question {
  width: 100%;
  padding: 1.35rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
}

.faq-icon-chevron {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item.active .faq-icon-chevron {
  transform: rotate(180deg);
  color: var(--accent-cyan);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth);
}

.faq-answer-inner {
  padding: 0 1.5rem 1.5rem;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  border-top: 1px solid transparent;
}

.faq-item.active .faq-answer-inner {
  border-top-color: var(--border-subtle);
  padding-top: 1rem;
}

/* --------------------------------------------------------------------------
   16. Testimonials
   -------------------------------------------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.testimonial-card {
  padding: 2.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-quote-icon {
  color: var(--accent-blue-light);
  margin-bottom: 1rem;
  opacity: 0.6;
}

.testimonial-text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 1.75rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.author-avatar-placeholder {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent-blue-light);
}

.author-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
}

.author-role {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   17. Final CTA Banner
   -------------------------------------------------------------------------- */
.final-cta-card {
  padding: clamp(3rem, 2.5rem + 4vw, 5.5rem);
  background: radial-gradient(circle at center, rgba(30, 41, 69, 0.85) 0%, rgba(9, 13, 22, 0.98) 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 50px rgba(59, 130, 246, 0.15);
}

.final-cta-headline {
  font-size: clamp(2.25rem, 1.8rem + 2.2vw, 3.5rem);
  font-weight: 800;
  max-width: 800px;
  margin: 0 auto 1.25rem;
  line-height: 1.15;
}

.final-cta-copy {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   18. Contact Section & Social Hub
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-3xl);
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-lbl {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
}

.contact-detail-val {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 0.15rem;
}

/* Social links pill list */
.social-pills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.social-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.social-pill:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--accent-blue-light);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Contact Form */
.contact-form-card {
  padding: clamp(2rem, 1.5rem + 2vw, 3rem);
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.form-label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1.15rem;
  background: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.25);
  outline: none;
  background: rgba(13, 18, 31, 0.95);
}

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

.form-intent-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.intent-radio {
  display: none;
}

.intent-label {
  display: block;
  padding: 0.65rem 0.85rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.intent-radio:checked + .intent-label {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--accent-blue-light);
  color: #ffffff;
}

@media (max-width: 960px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   19. Footer
   -------------------------------------------------------------------------- */
.footer {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-2xl);
  background: #04060a;
  border-top: 1px solid var(--border-subtle);
  position: relative;
  z-index: 1;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.7fr 0.7fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 320px;
  line-height: 1.6;
}

.footer-col-title {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

@media (max-width: 960px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}
@media (max-width: 600px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   20. Modal Viewer (Insights & Case Studies Reader)
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content-card {
  width: 100%;
  max-width: 720px;
  max-height: 85vh;
  overflow-y: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 1.5rem + 2vw, 3rem);
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.modal-overlay.open .modal-content-card {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* --------------------------------------------------------------------------
   21. Form Feedback & Helper States
   -------------------------------------------------------------------------- */
.form-feedback-box {
  font-size: var(--text-sm);
  line-height: 1.5;
  transition: all var(--transition-base);
}

.feedback-success {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
}

.feedback-error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #f87171;
}

.animate-spin {
  animation: spin-loop 1s linear infinite;
}

@keyframes spin-loop {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}