:root {
  --bg-dark: #0a1a3a;
  --bg-card: #112244;
  --accent: #3b82f6;
  --accent-bright: #60a5fa;
  --accent-purple: #818cf8;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: rgba(148, 163, 184, 0.15);
  --gradient: linear-gradient(135deg, #0a1a3a 0%, #1e3a5f 50%, #0f2847 100%);
  --gradient-accent: linear-gradient(135deg, #3b82f6, #818cf8);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --max-width: 1140px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--accent-bright);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #93c5fd;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 26, 58, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img {
  height: 48px;
  width: auto;
  display: block;
}

.logo-footer .logo-img {
  height: 48px;
}

.footer-logo-row {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  margin-bottom: 4px;
}

.footer-logo-row:hover .footer-logo-name {
  color: var(--accent-bright);
}

.footer-logo-icon {
  height: 48px;
  width: auto;
  display: block;
  flex-shrink: 0;
  object-fit: contain;
}

.footer-logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.2;
}

.footer-logo-name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.footer-logo-legal {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--accent-bright);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 16px;
  max-width: 300px;
  line-height: 1.65;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  color: #fff;
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--accent-bright);
  border: 1px solid rgba(59, 130, 246, 0.5);
}

.btn-outline:hover {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-bright);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* Hero */
.hero {
  position: relative;
  padding: 100px 0 120px;
  background: var(--gradient);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(59, 130, 246, 0.25), transparent),
    radial-gradient(circle at 80% 80%, rgba(129, 140, 248, 0.15), transparent);
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 60% 70%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 80% 20%, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(1px 1px at 40% 80%, rgba(255, 255, 255, 0.25), transparent);
  background-size: 200px 200px;
}

.hero-content {
  position: relative;
  max-width: 780px;
}

.hero-company {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 12px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  font-size: 0.8125rem;
  color: var(--accent-bright);
  margin-bottom: 24px;
  font-weight: 500;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  background: linear-gradient(to right, #fff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 640px;
}

/* Sections */
section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.0625rem;
}

.section-alt {
  background: rgba(17, 34, 68, 0.5);
}

/* Value cards */
.value-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
}

.value-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
}

.value-card-icon {
  width: 48px;
  height: 48px;
  background: rgba(59, 130, 246, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.value-card h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.value-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Feature cards (FAB) */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.feature-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

@media (min-width: 768px) {
  .feature-item {
    grid-template-columns: 200px 1fr;
    align-items: start;
  }
}

.feature-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.feature-item h3 {
  font-size: 1.375rem;
  margin-bottom: 20px;
}

.fab-row {
  display: grid;
  gap: 12px;
  margin-bottom: 12px;
}

.fab-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-bright);
  margin-bottom: 4px;
}

.fab-row p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.fab-row.benefit p {
  color: var(--text-primary);
  font-weight: 500;
}

/* Industry tags */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.industry-card {
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(59, 130, 246, 0.05);
}

.industry-card h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--accent-bright);
}

.industry-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Case study */
.case-study {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  max-width: 800px;
  margin: 0 auto;
}

.case-study blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 24px;
  margin: 32px 0;
  font-style: italic;
  color: var(--text-secondary);
  font-size: 1.0625rem;
}

.case-meta {
  display: grid;
  gap: 24px;
  margin-bottom: 24px;
}

.case-meta dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-bright);
  margin-bottom: 6px;
}

.case-meta dd {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.case-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin: 32px 0;
}

.stat-box {
  text-align: center;
  padding: 24px;
  background: rgba(59, 130, 246, 0.08);
  border-radius: var(--radius);
}

.stat-box .stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-bright);
  display: block;
}

.stat-box .stat-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* CTA banner */
.cta-banner {
  text-align: center;
  padding: 64px 48px;
  background: var(--gradient);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.cta-banner h2 {
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.cta-banner p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* Page hero (inner pages) */
.page-hero {
  padding: 64px 0 48px;
  background: var(--gradient);
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--text-secondary);
  max-width: 640px;
  font-size: 1.0625rem;
}

/* Privacy content */
.legal-content {
  max-width: 780px;
}

.legal-content h2 {
  font-size: 1.375rem;
  margin: 40px 0 16px;
  color: var(--text-primary);
}

.legal-content h3 {
  font-size: 1.125rem;
  margin: 24px 0 12px;
}

.legal-content p,
.legal-content li {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 12px;
}

.legal-content ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal-content .updated {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* Team page */
.story-block {
  max-width: 720px;
  margin-bottom: 48px;
}

.story-block h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.story-block p {
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-size: 1rem;
}

.name-meaning {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 32px 0;
}

.name-part {
  flex: 1;
  min-width: 160px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}

.name-part .abbr {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-bright);
  display: block;
  margin-bottom: 8px;
}

.name-part .meaning {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.team-card h3 {
  font-size: 1rem;
  color: var(--accent-bright);
  margin-bottom: 12px;
}

.team-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 640px;
  margin: 48px auto 0;
}

.testimonial-card blockquote {
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 16px;
}

.testimonial-card cite {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: normal;
}

.team-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.team-photo {
  margin: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.team-photo img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

.team-photo figcaption {
  padding: 16px 20px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Contact page */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr 1.2fr;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.info-card h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-bright);
  margin-bottom: 8px;
}

.info-card p,
.info-card a {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.info-card a {
  word-break: break-all;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-group label .required {
  color: var(--accent-bright);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(10, 26, 58, 0.6);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: rgba(59, 130, 246, 0.6);
}

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

.form-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 16px;
}

.form-success {
  display: none;
  padding: 16px;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 8px;
  color: #86efac;
  margin-bottom: 20px;
}

/* FAQ */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}

.faq-item h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Footer */
.site-footer {
  background: rgba(5, 15, 35, 0.8);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.footer-brand p,
.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 12px;
  max-width: 280px;
}

.footer-contact {
  list-style: none;
}

.footer-contact li {
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-contact a {
  color: var(--accent-bright);
  word-break: break-all;
}

.footer-contact a:hover {
  color: #93c5fd;
}

.footer-col h4 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 26, 58, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
  }

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

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 14px 24px;
  }

  .hero {
    padding: 64px 0 80px;
  }

  section {
    padding: 56px 0;
  }

  .case-study,
  .contact-form {
    padding: 28px;
  }

  .cta-banner {
    padding: 40px 24px;
  }
}