:root {
  --bg: #f5f8ff;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --text: #0f172a;
  --muted: #5b6780;
  --primary: #1148c8;
  --primary-deep: #0b3190;
  --secondary: #56c4ff;
  --contrast-start: rgba(10, 18, 67, 0.97);
  --contrast-end: rgba(17, 72, 200, 0.92);
  --contrast-glow: rgba(86, 196, 255, 0.22);
  --contrast-shadow: 0 32px 70px rgba(10, 18, 67, 0.28);
  --line: rgba(15, 23, 42, 0.08);
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.1);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1240px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(86, 196, 255, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(17, 72, 200, 0.12), transparent 24%),
    linear-gradient(180deg, #f9fbff 0%, #edf3ff 44%, #f8fbff 100%);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.03em;
}

p {
  color: var(--muted);
  line-height: 1.75;
}

a,
a:hover,
a:focus {
  text-decoration: none;
}

.site-shell {
  position: relative;
}

.section {
  position: relative;
  z-index: 1;
  padding: 88px 0;
}

.container-xxl {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.main-nav {
  background: rgba(248, 251, 255, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.05);
  padding: 16px 0;
}

.brand-lockup img {
  display: block;
  height: 72px;
  width: auto;
}

.navbar-collapse {
  align-items: center;
}

.navbar-nav {
  align-items: center;
}

.navbar-nav .nav-link {
  color: var(--text);
  font-weight: 700;
  font-size: 16px;
  margin: 0 6px;
  padding: 11px 14px !important;
  border-radius: 999px;
  transition: 0.25s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link.active,
.navbar-nav .show > .nav-link {
  color: var(--primary);
  background: rgba(17, 72, 200, 0.08);
}

.service-dropdown .dropdown-toggle::after {
  margin-left: 8px;
}

.dropdown-menu.mega-menu {
  min-width: 680px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 28px 70px rgba(15, 23, 42, 0.14);
  backdrop-filter: blur(18px);
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.mega-item {
  display: block;
  padding: 16px 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, #f9fbff 0%, #f3f7ff 100%);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.mega-item:hover,
.mega-item:focus {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
}

.mega-item.active {
  background: linear-gradient(135deg, rgba(17, 72, 200, 0.14), rgba(86, 196, 255, 0.18));
  box-shadow: 0 18px 36px rgba(17, 72, 200, 0.12);
}

.mega-item .menu-title {
  display: block;
  color: var(--text);
  font-size: 16px;
  font-weight: 800;
}

.mega-item .menu-copy {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.nav-cta,
.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  font-weight: 800;
  transition: 0.25s ease;
}

.nav-cta,
.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff;
  box-shadow: 0 18px 36px rgba(17, 72, 200, 0.22);
}

.nav-cta {
  min-height: 52px;
  padding: 0 24px;
}

.button-primary,
.button-secondary {
  min-height: 56px;
  padding: 0 28px;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.84);
  color: var(--text);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.button-primary:hover,
.button-secondary:hover,
.nav-cta:hover {
  transform: translateY(-2px);
}

.button-primary:hover,
.nav-cta:hover {
  color: #fff;
}

.page-hero {
  padding-top: 150px;
  padding-bottom: 72px;
}

.hero-grid,
.feature-grid,
.stack-grid,
.engagement-grid,
.footer-grid {
  display: grid;
  gap: 22px;
}

.hero-grid {
  grid-template-columns: 1.08fr 0.92fr;
  align-items: stretch;
}

.hero-card,
.info-card,
.feature-card,
.stack-card,
.engagement-card,
.cta-panel {
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero-card,
.info-card,
.stack-card,
.engagement-card,
.cta-panel {
  padding: 32px;
}

.hero-card {
  background:
    radial-gradient(circle at top left, rgba(86, 196, 255, 0.24), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(244, 248, 255, 0.94));
}

.hero-side {
  position: relative;
  overflow: hidden;
  color: #ffffff;
  background:
    radial-gradient(circle at top right, rgba(86, 196, 255, 0.18), transparent 30%),
    linear-gradient(135deg, #09122f 0%, #0b3190 100%);
}

.stack-content {
  position: relative;
  z-index: 2;
  padding: 20px 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(5, 4, 18, 0.18), rgba(5, 4, 18, 0.08));
  backdrop-filter: blur(6px);
}

.stack-network {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.stack-network-canvas {
  position: absolute;
  inset: 0;
  opacity: 0.56;
  filter: blur(6px);
}

.stack-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(18px);
  opacity: 0.7;
}

.stack-glow.one {
  width: 170px;
  height: 170px;
  top: -18px;
  right: -22px;
  background: rgba(86, 196, 255, 0.18);
}

.stack-glow.two {
  width: 220px;
  height: 220px;
  left: -80px;
  bottom: -90px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-side h3,
.hero-side p,
.hero-side li,
.hero-side .section-kicker {
  color: #ffffff;
  text-shadow: 0 6px 18px rgba(5, 4, 18, 0.28);
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 12px;
}

.hero-title {
  font-size: clamp(34px, 4.5vw, 60px);
  margin-bottom: 18px;
}

.hero-copy {
  max-width: 760px;
  font-size: 18px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.section-intro {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  margin-bottom: 34px;
}

.section-intro h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 3.8vw, 50px);
  max-width: 760px;
}

.section-intro p {
  max-width: 470px;
  margin-bottom: 0;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
  padding: 28px;
  min-height: 100%;
}

.feature-card.feature-link {
  display: block;
  color: inherit;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card.feature-link:hover,
.feature-card.feature-link:focus {
  transform: translateY(-4px);
  box-shadow: 0 22px 44px rgba(15, 23, 42, 0.12);
  color: inherit;
}

.feature-card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(17, 72, 200, 0.1), rgba(86, 196, 255, 0.16));
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.stack-grid,
.engagement-grid,
.footer-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stack-list,
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-list span,
.stack-list span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(17, 72, 200, 0.08);
  color: var(--primary-deep);
  font-weight: 800;
  font-size: 14px;
}

.hero-side .tag-list span {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.check-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
  color: var(--muted);
  font-weight: 600;
}

.check-list li::before {
  content: "\e64c";
  font-family: themify;
  position: absolute;
  left: 0;
  top: 0;
  color: var(--secondary);
}

.info-card h3,
.stack-card h3,
.engagement-card h3,
.cta-panel h2 {
  margin-bottom: 14px;
}

.service-path-grid,
.stats-grid {
  display: grid;
  gap: 22px;
}

.service-path-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.path-card,
.stats-card {
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.path-card {
  display: block;
  padding: 28px;
  color: inherit;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.path-card:hover,
.path-card:focus {
  transform: translateY(-4px);
  box-shadow: 0 22px 44px rgba(15, 23, 42, 0.12);
  color: inherit;
}

.path-card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(17, 72, 200, 0.1), rgba(86, 196, 255, 0.18));
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 18px;
}

.path-card h3,
.stats-card h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.path-card .path-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--primary);
  font-weight: 800;
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stats-card {
  padding: 26px;
}

.stats-card .stat-number {
  display: block;
  font-size: 36px;
  line-height: 1;
  font-weight: 800;
  color: var(--primary-deep);
  margin-bottom: 12px;
}

.split-panel {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 22px;
}

.info-card p:last-child,
.stack-card p:last-child,
.engagement-card p:last-child {
  margin-bottom: 0;
}

.cta-panel {
  background:
    radial-gradient(circle at top right, var(--contrast-glow), transparent 32%),
    linear-gradient(135deg, var(--contrast-start), var(--contrast-end)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0));
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: var(--contrast-shadow);
}

.cta-panel,
.cta-panel h2,
.cta-panel h3,
.cta-panel p {
  color: #ffffff;
}

.cta-panel .section-kicker {
  color: rgba(255, 255, 255, 0.72);
}

.cta-panel .button-primary {
  background: rgba(255, 255, 255, 0.96);
  color: var(--primary-deep);
  box-shadow: 0 18px 36px rgba(5, 4, 18, 0.24);
}

.cta-panel .button-primary:hover,
.cta-panel .button-primary:focus {
  color: var(--primary-deep);
}

.cta-panel .button-secondary {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.cta-panel .button-secondary:hover,
.cta-panel .button-secondary:focus {
  color: #ffffff;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.faq-item {
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 28px;
  color: var(--text);
  font-size: 19px;
  font-weight: 800;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--primary);
  font-size: 24px;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item p {
  margin: 0;
  padding: 0 28px 24px;
}

.footer-block {
  margin-top: 24px;
  padding: 0 0 34px;
  background: #ffffff;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.footer-wrap {
  padding-top: 38px;
}

.footer-grid {
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
  align-items: start;
}

.footer-brand .brand-lockup {
  display: inline-flex;
  margin-bottom: 18px;
}

.footer-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.footer-title {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 800;
}

.footer-item {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.75;
}

.footer-item strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-item a {
  color: var(--text);
  font-weight: 600;
}

.footer-bottom {
  margin-top: 28px;
  padding: 16px 24px;
  border-radius: 18px;
  background: var(--primary-deep);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  color: #ffffff;
  font-size: 14px;
}

@media (min-width: 992px) {
  .navbar-expand-lg .navbar-collapse {
    flex: 1 1 auto;
    display: flex !important;
    justify-content: center;
  }

  .navbar-expand-lg .navbar-nav {
    margin: 0 auto;
    gap: 2px;
  }

  .navbar-expand-lg .navbar-nav .nav-item {
    display: flex;
    align-items: center;
  }

  .navbar-expand-lg .navbar-nav .nav-item.ml-lg-2 {
    margin-left: 18px !important;
  }

  .service-dropdown:hover > .dropdown-menu.mega-menu {
    display: block;
  }

  .dropdown-menu.mega-menu {
    margin-top: 12px;
  }
}

@media (max-width: 1199px) {
  .hero-grid,
  .feature-grid,
  .stack-grid,
  .engagement-grid,
  .footer-grid,
  .service-path-grid,
  .stats-grid,
  .split-panel,
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 991px) {
  .brand-lockup img {
    height: 56px;
  }

  .navbar-collapse {
    background: rgba(255, 255, 255, 0.96);
    border-radius: 22px;
    padding: 16px;
    margin-top: 14px;
    box-shadow: var(--shadow);
  }

  .dropdown-menu.mega-menu {
    min-width: 100%;
    box-shadow: none;
    border-radius: 18px;
  }

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

  .nav-cta {
    margin-top: 12px;
    width: 100%;
  }

  .section-intro {
    display: block;
  }

  .section-intro p {
    margin-top: 14px;
  }
}

@media (max-width: 767px) {
  .section {
    padding: 74px 0;
  }

  .page-hero {
    padding-top: 132px;
  }

  .hero-card,
  .info-card,
  .stack-card,
  .engagement-card,
  .cta-panel {
    padding: 24px;
  }

  .hero-copy {
    font-size: 17px;
  }

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

  .button-primary,
  .button-secondary {
    width: 100%;
  }
}