/* ============================================================
   CUSTODY ADVISORY SITE — DESIGN SYSTEM & STYLES
   Premium dark-mode, institutional aesthetic
   ============================================================ */

/* ---------- RESET & BASE ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Background layers */
  --bg-base: #0a0e1a;
  --bg-surface: #111827;
  --bg-card: #161d2f;
  --bg-card-hover: #1c2540;
  --bg-elevated: #1e2743;

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Accent — Indigo/Violet */
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.25);
  --accent-surface: rgba(99, 102, 241, 0.08);

  /* Status */
  --red: #f87171;
  --red-surface: rgba(248, 113, 113, 0.12);
  --amber: #fbbf24;
  --amber-surface: rgba(251, 191, 36, 0.12);
  --violet: #a78bfa;
  --violet-surface: rgba(167, 139, 250, 0.12);
  --blue: #60a5fa;
  --blue-surface: rgba(96, 165, 250, 0.12);
  --green: #34d399;
  --green-surface: rgba(52, 211, 153, 0.12);

  /* Border */
  --border: rgba(148, 163, 184, 0.1);
  --border-hover: rgba(148, 163, 184, 0.2);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px var(--accent-glow);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 0.3s;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

img,
svg {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  font-family: inherit;
}

/* ---------- ANIMATIONS ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes pulse-glow {

  0%,
  100% {
    box-shadow: 0 0 20px var(--accent-glow);
  }

  50% {
    box-shadow: 0 0 40px var(--accent-glow), 0 0 80px rgba(99, 102, 241, 0.1);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

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

  100% {
    background-position: 200% 0;
  }
}

.animate-in {
  animation: fadeInUp 0.7s var(--ease) both;
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--duration) var(--ease),
    box-shadow var(--duration) var(--ease),
    padding var(--duration) var(--ease);
}

.navbar.scrolled {
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
  padding: 10px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--duration) var(--ease);
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width var(--duration) var(--ease);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--accent);
  color: var(--text-primary) !important;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background var(--duration) var(--ease), transform 0.15s var(--ease);
}

.nav-cta:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

.nav-cta::after {
  display: none !important;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--duration) var(--ease);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
}

.hero-bg-accent {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-surface);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s var(--ease) both;
}

.hero-headline {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  animation: fadeInUp 0.7s var(--ease) 0.1s both;
}

.hero-sub {
  margin-top: 20px;
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.7;
  animation: fadeInUp 0.7s var(--ease) 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s var(--ease) 0.3s both;
}

.hero-msg {
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--amber);
  min-height: 1.4em;
}

/* Buttons (shared) */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-sm), 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 30px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
}

/* Hero risk cards */
.hero-visual {
  animation: fadeInUp 0.8s var(--ease) 0.3s both;
}

.risk-card-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.risk-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--duration) var(--ease);
}

.risk-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.risk-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.risk-icon--red {
  background: var(--red-surface);
  color: var(--red);
}

.risk-icon--amber {
  background: var(--amber-surface);
  color: var(--amber);
}

.risk-icon--violet {
  background: var(--violet-surface);
  color: var(--violet);
}

.risk-icon--blue {
  background: var(--blue-surface);
  color: var(--blue);
}

.risk-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.risk-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ---------- SECTIONS (shared) ---------- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-surface);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-sub {
  margin-top: 12px;
  color: var(--text-secondary);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1rem;
}

/* ---------- PROBLEM ---------- */
.problem {
  padding-top: 60px;
  padding-bottom: 60px;
  background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-surface) 100%);
}

/* ---------- SERVICES ---------- */
.services {
  background: var(--bg-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--duration) var(--ease);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

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

.service-card--wide {
  grid-column: 1 / -1;
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-surface);
  border-radius: var(--radius-md);
  color: var(--accent-light);
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.service-outcome {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.service-outcome span {
  font-weight: 600;
  color: var(--accent-light);
}

/* ---------- PROCESS ---------- */
.process {
  background: var(--bg-base);
}

.process-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.process-step {
  flex: 1;
  max-width: 260px;
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--duration) var(--ease);
}

.process-step:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.process-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--accent-surface);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 14px;
}

.process-step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-step p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
}

.process-deliverable {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--accent-surface);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-light);
}

.process-connector {
  display: flex;
  align-items: center;
  padding-top: 48px;
  color: var(--text-muted);
  flex-shrink: 0;
  padding-left: 8px;
  padding-right: 8px;
}

/* ---------- WHY US ---------- */
.why-us {
  background: var(--bg-surface);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.why-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--duration) var(--ease);
}

.why-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.why-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-surface);
  border-radius: var(--radius-md);
  color: var(--accent-light);
  margin-bottom: 14px;
}

.why-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.why-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ---------- INDUSTRIES ---------- */
.industries {
  background: var(--bg-base);
  padding-top: 80px;
  padding-bottom: 80px;
}

.industries-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.industry-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--duration) var(--ease);
}

.industry-pill:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.industry-pill svg {
  color: var(--accent-light);
  flex-shrink: 0;
}

/* ---------- TRUST ---------- */
.trust {
  background: var(--bg-surface);
}

.trust-inner {
  max-width: 800px;
  margin: 0 auto;
}

.trust-grid {
  display: grid;
  gap: 16px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--duration) var(--ease);
}

.trust-item:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.trust-item svg {
  flex-shrink: 0;
  color: var(--green);
}

/* ---------- CTA BANNER ---------- */
.cta-banner {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}

.cta-bg-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  animation: pulse-glow 4s ease-in-out infinite;
}

.cta-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.cta-text h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.cta-text p {
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding-top: 40px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.footer-logo {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-right {
  text-align: right;
}

.footer-contact {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.8rem;
  transition: color var(--duration) var(--ease);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-dot {
  color: var(--text-muted);
  margin: 0 6px;
}

.footer-bottom {
  padding: 20px 0;
  margin-top: 24px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.78rem;
  text-align: center;
}

/* ---------- MODAL ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration) var(--ease);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  width: 100%;
  max-width: 560px;
  margin: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.97);
  transition: transform var(--duration) var(--ease);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-overlay.active .modal-card {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: all var(--duration) var(--ease);
}

.modal-close:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.modal-desc {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 24px;
}

/* Form */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.required {
  color: var(--red);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  transition: all var(--duration) var(--ease);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.form-group input.error,
.form-group textarea.error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-surface);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
}

.form-note {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.btn-submit {
  flex-shrink: 0;
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Modal success */
.modal-success {
  display: none;
  text-align: center;
  padding: 24px 0;
}

.modal-success.show {
  display: block;
  animation: fadeIn 0.5s var(--ease);
}

.success-icon {
  color: var(--green);
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
}

.modal-success h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.modal-success p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .process-grid {
    flex-wrap: wrap;
    gap: 16px;
  }

  .process-connector {
    display: none;
  }

  .process-step {
    max-width: 100%;
    flex: 1 1 calc(50% - 8px);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  /* nav */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 14, 26, 0.97);
    backdrop-filter: blur(16px);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-headline {
    font-size: 2rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .process-step {
    flex: 1 1 100%;
  }

  .cta-inner {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-right {
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-footer {
    flex-direction: column;
  }

  .modal-card {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 100px 0 48px;
  }

  .hero-headline {
    font-size: 1.7rem;
  }

  .industries-row {
    flex-direction: column;
    align-items: center;
  }

  .industry-pill {
    width: 100%;
    justify-content: center;
  }
}

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ---------- SELECTION ---------- */
::selection {
  background: var(--accent);
  color: #fff;
}

/* ---------- FOCUS VISIBLE (accessibility) ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- BACKGROUND GRID OVERLAY ---------- */
.bg-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 30%, transparent 70%);
}

/* ---------- HERO STATS BAR ---------- */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 36px;
  padding: 20px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  animation: fadeInUp 0.7s var(--ease) 0.45s both;
}

.hero-stat {
  flex: 1;
  text-align: center;
}

.hero-stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-light) 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

.hero-stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
  flex-shrink: 0;
}

/* ---------- SCROLL TO TOP ---------- */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 90;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--duration) var(--ease);
  box-shadow: var(--shadow-sm);
}

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

.scroll-top:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

/* ---------- ENHANCED PROCESS CONNECTOR ---------- */
.process-connector {
  position: relative;
}

.process-connector::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 28px;
  height: 28px;
  background: var(--accent-surface);
  border-radius: 50%;
  border: 1px solid rgba(99, 102, 241, 0.15);
}

/* ---------- RESPONSIVE: HERO STATS ---------- */
@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: 16px;
    padding: 20px;
  }

  .hero-stat-divider {
    width: 60%;
    height: 1px;
  }

  .scroll-top {
    bottom: 20px;
    right: 20px;
  }
}