:root {
  color-scheme: dark light;
  --graphite: #0d1117;
  --navy: #f4f6f9;
  --steel: #e9edf3;
  --offwhite: #ffffff;
  --muted: #5c6673;
  --cyan: #2f6f86;
  --cyan-soft: rgba(47, 111, 134, 0.12);
  --border: rgba(15, 20, 30, 0.08);
  --glow: rgba(47, 111, 134, 0.12);
  --shadow: rgba(15, 20, 30, 0.08);
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: "Inter", "Space Grotesk", system-ui, sans-serif;
}

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

body {
  font-family: var(--sans);
  background: var(--offwhite);
  color: var(--graphite);
  line-height: 1.7;
  font-size: 18px;
}

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
}

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

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width 0.3s ease;
}

a:hover::after {
  width: 100%;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.logo {
  font-family: "Space Grotesk", var(--sans);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.main-nav {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 1rem;
}

.nav-close {
  display: none;
  border: none;
  background: transparent;
  font-size: 1.4rem;
  font-weight: 600;
  cursor: pointer;
  align-self: flex-end;
}

.nav-link {
  font-weight: 600;
}

.nav-cta {
  display: inline-flex;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  background: var(--offwhite);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(15, 20, 30, 0.08);
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.75rem;
  position: relative;
}

.nav-backdrop {
  display: none;
}

.nav-toggle-icon {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--graphite);
  border-radius: 999px;
}

.nav-toggle-label {
  font-weight: 700;
  color: var(--graphite);
}

.cta {
  border: 1px solid var(--cyan);
  padding: 14px 26px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  background: transparent;
  color: var(--graphite);
  cursor: pointer;
  transition: color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.cta.primary {
  background: var(--cyan);
  color: var(--offwhite);
}

.cta.secondary {
  border-color: var(--graphite);
}

.cta.ghost {
  border-color: var(--border);
  color: var(--muted);
}

.cta:hover {
  transform: translateY(-2px);
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  color: #434c57;
  margin-bottom: 12px;
}

.hero {
  padding: 100px 0 80px;
  background: var(--offwhite);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 60px;
  align-items: center;
}

.hero h1,
.page-hero h1 {
  font-size: clamp(2.8rem, 4.2vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.subtext {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 28px;
  max-width: 68ch;
}

.support-line {
  font-size: 1rem;
  color: #3d4652;
  margin-bottom: 28px;
  max-width: 70ch;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-metrics {
  display: grid;
  gap: 20px;
  max-width: 64ch;
}

.metric {
  font-family: "Space Grotesk", var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--cyan);
}

.service-hub-panel {
  display: grid;
  gap: 20px;
}

.service-hub-panel h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}

section {
  padding: 80px 0;
}

.section-title {
  margin-bottom: 40px;
}

.section-title h2 {
  font-size: clamp(2.1rem, 3vw, 3rem);
  letter-spacing: -0.02em;
}

.pillars {
  background: var(--navy);
}

.service-hub {
  background: var(--navy);
}

.service-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-hub-panel .service-hub-grid {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.service-card {
  display: grid;
  gap: 12px;
  padding: 20px 18px;
  border: 1px solid var(--border);
  background: var(--offwhite);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
  border-color: rgba(47, 111, 134, 0.4);
  background: #f7f9fc;
  transform: translateY(-2px);
}

.service-card h3 {
  font-size: 1.15rem;
}

.service-card ul {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.outcomes {
  background: var(--offwhite);
}

.outcome-summary {
  max-width: 70ch;
  color: var(--muted);
  margin-bottom: 20px;
}

.outcome-actions {
  display: flex;
  gap: 12px;
}

.outcome-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px 24px;
  color: var(--graphite);
  font-weight: 600;
}

.approach {
  background: var(--navy);
}

.approach-text {
  max-width: 72ch;
  font-size: 1.05rem;
  color: #3d4652;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}

.pillar {
  padding-top: 10px;
}

.pillar h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.muted {
  color: var(--muted);
}

.architecture {
  background: var(--offwhite);
}

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: start;
  background: #f7f9fc;
  padding: 32px;
  border-radius: 6px;
}

.pipeline {
  display: grid;
  gap: 12px;
}

.pipeline-step {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.8rem;
  color: var(--muted);
}

.pipeline-step.highlight {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.architecture-notes {
  display: grid;
  gap: 24px;
}

.architecture-notes h3 {
  margin-bottom: 8px;
}

.page-hero {
  padding: 90px 0 60px;
  background: var(--navy);
}

.about-detail,
.process-grid,
.contact-section {
  background: var(--offwhite);
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

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

.work-step {
  padding: 16px 0;
  border-top: 1px solid var(--border);
}

.step-label {
  font-family: var(--mono);
  color: var(--cyan);
  font-size: 0.85rem;
}

.services-main {
  background: var(--offwhite);
}

.services-hero {
  padding-top: 90px;
}

.services-explorer {
  padding-top: 40px;
}

.explorer-grid {
  display: grid;
  grid-template-columns: minmax(220px, 260px) 1fr;
  gap: 30px;
}

.services-nav {
  display: grid;
  gap: 10px;
  position: sticky;
  top: 120px;
  align-self: start;
  border-left: 1px solid var(--border);
  padding-left: 16px;
}

.nav-item {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 14px 0 14px 16px;
  text-align: left;
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
  position: relative;
}

.nav-item:hover,
.nav-item.active {
  color: var(--graphite);
  background: rgba(47, 111, 134, 0.2);
}

.nav-item.active::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--cyan);
}

.services-content {
  padding-left: 20px;
}

.content-panel {
  display: grid;
  gap: 24px;
  transition: opacity 0.3s ease, transform 0.3s ease;
  max-width: 72ch;
}

.content-panel.fade-out {
  opacity: 0;
  transform: translateY(10px);
}

.content-panel.fade-in {
  opacity: 1;
  transform: translateY(0);
}

.content-header h2 {
  font-size: clamp(2.1rem, 3vw, 2.9rem);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.content-grid ul {
  display: grid;
  gap: 12px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
  padding-left: 1.2rem;
  margin: 0;
  list-style-position: outside;
}

.content-grid li {
  padding-left: 0.2rem;
}

.architecture-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.flow-diagram {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.flow-node {
  padding: 6px 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.flow-node.highlight {
  color: var(--cyan);
}

.flow-connector {
  width: 24px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.5;
  animation: connectorPulse 5s infinite ease-in-out;
}

@keyframes connectorPulse {
  0%,
  100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.9;
  }
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 16px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-form input,
.contact-form textarea {
  background: transparent;
  border: 1px solid var(--border);
  padding: 12px;
  color: var(--graphite);
  font-family: var(--sans);
}

.contact-details {
  display: grid;
  gap: 20px;
}

.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  background: #f7f8fb;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  align-items: center;
}

.footer-links {
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.nav-open {
  overflow: hidden;
}

@media (max-width: 900px) {
  body {
    font-size: 17px;
  }

  .header-inner {
    padding: 16px 0;
  }

  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(15, 20, 30, 0.2);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 35;
  }

  .nav-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 18px;
    width: min(320px, 88vw);
    height: 100vh;
    background: var(--offwhite);
    padding: 32px;
    position: fixed;
    top: 0;
    right: 0;
    z-index: 40;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -12px 0 30px rgba(15, 20, 30, 0.08);
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .main-nav .nav-link {
    font-size: 1.2rem;
  }

  .nav-cta {
    display: inline-flex;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-close {
    display: inline-flex;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2.2rem, 8vw, 3rem);
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .service-hub-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    width: 100%;
  }

  .architecture-grid {
    padding: 24px;
  }

  .outcome-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .service-hub-panel {
    gap: 16px;
  }

  .service-hub-panel .service-hub-grid {
    grid-template-columns: 1fr;
  }

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

  .services-content {
    padding-left: 0;
    border-left: none;
  }

  .services-nav {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    padding: 4px 0 12px;
    border-left: none;
    border-bottom: 1px solid var(--border);
  }

  .nav-item {
    white-space: normal;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: #f5f6f9;
    text-transform: none;
    letter-spacing: 0.03em;
    font-size: 0.85rem;
    text-align: center;
    line-height: 1.3;
  }

  .nav-item.active::before {
    content: none;
  }
}