/* ============================================================
   NSQ WAVE — Main Stylesheet
   Design System: Dark / 90% neutral / 10% signal
   ============================================================ */

:root {
  --midnight: #0B0F14;
  --graphite: #1A1F26;
  --graphite-light: #2A3139;
  --steel: #D6DEE6;
  --steel-muted: rgba(214, 222, 230, 0.7);
  --electric: #2F6BFF;
  --electric-dim: rgba(47, 107, 255, 0.15);
  --cyan: #00A8B5;
  --violet: #7A5CFF;
  --amber: #F5A623;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --max-width: 1200px;
  --radius: 4px;
}

/* === RESET === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--midnight);
  color: var(--steel);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--electric); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--cyan); }

/* === NAVIGATION === */
#site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(11, 15, 20, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--graphite-light);
  z-index: 1000;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 3px;
  color: var(--electric);
  text-decoration: none;
}
.nav-logo:hover { color: var(--steel); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--steel);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  letter-spacing: 0.03em;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background-color: var(--electric);
  transition: var(--transition);
}

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

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

/* === HAMBURGER === */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 36px;
  height: 36px;
}

.hamburger-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--steel);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.is-active .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.is-active .hamburger-bar:nth-child(2) {
  opacity: 0;
}
.hamburger.is-active .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* === FOOTER === */
.site-footer {
  border-top: 1px solid var(--graphite-light);
  padding: 2rem;
  margin-top: 4rem;
}
.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}
.footer-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.footer-nav a {
  color: var(--steel-muted);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}
.footer-nav a:hover { color: var(--electric); }

.footer-brand {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--electric);
  margin-bottom: 0.5rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--steel-muted);
  letter-spacing: 0.05em;
}

/* === UTILITY === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--steel);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--steel-muted);
  line-height: 1.6;
  max-width: 600px;
}

/* === CTA BUTTONS === */
.cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 32px;
  background-color: var(--electric);
  color: var(--midnight);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  border-radius: var(--radius);
  border: 2px solid var(--electric);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}
.cta-primary:hover {
  background-color: transparent;
  color: var(--electric);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(47, 107, 255, 0.25);
}

.cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 32px;
  background-color: transparent;
  color: var(--steel);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  border-radius: var(--radius);
  border: 2px solid var(--graphite-light);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}
.cta-secondary:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

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

/* === CTA INLINE === */
.cta-inline {
  display: inline-flex;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--electric);
  letter-spacing: 0.03em;
  margin-top: 1.5rem;
}
.cta-inline:hover { color: var(--cyan); }

/* === TRUST STRIP === */
.trust-strip {
  background-color: var(--graphite);
  border-top: 1px solid var(--graphite-light);
  border-bottom: 1px solid var(--graphite-light);
  padding: 1rem 0;
}

.trust-strip p {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-muted);
  text-align: center;
  margin: 0;
}

/* === MAIN LAYOUT === */
main { margin-top: 64px; }

/* === OPENER / HERO === */
.opener {
  padding: 100px 2rem 80px;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  background: linear-gradient(135deg, var(--midnight) 0%, rgba(26, 31, 38, 0.4) 100%);
  border-bottom: 1px solid rgba(47, 107, 255, 0.1);
  overflow: hidden;
}

.opener::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(0deg, transparent 24%, rgba(47, 107, 255, 0.02) 25%, rgba(47, 107, 255, 0.02) 26%, transparent 27%),
    linear-gradient(90deg, transparent 24%, rgba(47, 107, 255, 0.02) 25%, rgba(47, 107, 255, 0.02) 26%, transparent 27%);
  background-size: 50px 50px;
  pointer-events: none;
}

.opener-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.opener h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: var(--steel);
}

.opener h1 .accent { color: var(--electric); }

.gradient-text {
  background: linear-gradient(135deg, var(--electric) 0%, var(--cyan) 50%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: 1.3rem;
  color: var(--steel);
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.opener p {
  font-size: 1.15rem;
  color: var(--steel-muted);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

/* === HOMEPAGE SECTIONS === */

/* Choose Your Path */
.section-paths {
  padding: 80px 0;
  border-bottom: 1px solid var(--graphite-light);
}

.section-paths .section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.paths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.path-card {
  background-color: var(--graphite);
  border: 1px solid var(--graphite-light);
  padding: 2rem;
  border-radius: var(--radius);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.path-card:hover {
  border-color: var(--electric);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(47, 107, 255, 0.12);
}

.path-card-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--electric);
}

.path-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--steel);
}

.path-card p {
  font-size: 0.95rem;
  color: var(--steel-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 1.5rem;
}

.path-card-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--electric);
  letter-spacing: 0.03em;
}
.path-card-link:hover { color: var(--cyan); }

/* System Flow */
.section-flow {
  padding: 80px 0;
  border-bottom: 1px solid var(--graphite-light);
  text-align: center;
}

.flow-pipeline {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 2.5rem;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background-color: var(--graphite);
  border: 1px solid var(--graphite-light);
  min-width: 120px;
  position: relative;
}

.flow-step-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--electric);
  margin-bottom: 0.4rem;
}

.flow-step-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--steel);
}

.flow-arrow {
  font-size: 1.2rem;
  color: var(--electric);
  padding: 0 0.5rem;
  opacity: 0.6;
}

.flow-tagline {
  margin-top: 2rem;
  color: var(--steel-muted);
  font-size: 0.95rem;
}

/* Lab Preview */
.section-lab-preview {
  padding: 80px 0;
  border-bottom: 1px solid var(--graphite-light);
}

.lab-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}

.lab-preview-item {
  background-color: var(--graphite);
  border: 1px solid var(--graphite-light);
  padding: 1.25rem;
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}

.lab-preview-item:hover {
  border-color: var(--cyan);
}

.lab-preview-item span {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.lab-preview-cta {
  margin-top: 2rem;
}

.lab-preview-count {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--steel);
  margin-top: 0.25rem;
}

/* === CONTENT LAB PAGE === */
.lab-hero {
  padding: 100px 2rem 60px;
  background: linear-gradient(135deg, var(--midnight) 0%, rgba(26, 31, 38, 0.4) 100%);
  border-bottom: 1px solid rgba(47, 107, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.lab-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(0deg, transparent 24%, rgba(47, 107, 255, 0.02) 25%, rgba(47, 107, 255, 0.02) 26%, transparent 27%),
    linear-gradient(90deg, transparent 24%, rgba(47, 107, 255, 0.02) 25%, rgba(47, 107, 255, 0.02) 26%, transparent 27%);
  background-size: 50px 50px;
  pointer-events: none;
}

.lab-hero .container { position: relative; z-index: 1; }

.lab-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

/* Lane Filter */
.lab-filter-section {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--graphite-light);
  position: sticky;
  top: 64px;
  background: rgba(11, 15, 20, 0.95);
  backdrop-filter: blur(10px);
  z-index: 50;
}

.lane-filter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.lane-filter-btn {
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: 1px solid var(--graphite-light);
  border-radius: 20px;
  background: transparent;
  color: var(--steel-muted);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.lane-filter-btn:hover {
  border-color: var(--steel);
  color: var(--steel);
}

.lane-filter-btn.active {
  background-color: var(--electric);
  border-color: var(--electric);
  color: var(--midnight);
}

.lane-filter-btn[data-lane]:not([data-lane="all"]).active {
  background-color: var(--lane-color);
  border-color: var(--lane-color);
}

/* Kanban Board */
.lab-board-section {
  padding: 2rem 0;
}

.lab-board {
  display: flex;
  gap: 1rem;
  padding: 0 2rem;
  max-width: 1400px;
  margin: 0 auto;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}

.lab-column {
  flex: 0 0 260px;
  min-width: 260px;
  scroll-snap-align: start;
}

.lab-column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  border-bottom: 2px solid var(--electric);
}

.lab-column-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}

.lab-column-count {
  font-size: 0.75rem;
  font-weight: 700;
  background-color: var(--electric-dim);
  color: var(--electric);
  padding: 2px 8px;
  border-radius: 10px;
}

.lab-column-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Lab Card */
.lab-card {
  background-color: var(--graphite);
  border: 1px solid var(--graphite-light);
  border-radius: var(--radius);
  padding: 1rem;
  transition: var(--transition);
  position: relative;
}

.lab-card:hover {
  border-color: var(--electric);
  box-shadow: 0 4px 16px rgba(47, 107, 255, 0.08);
}

.lab-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.lane-badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 2px;
  background-color: color-mix(in srgb, var(--badge-color) 15%, transparent);
  color: var(--badge-color);
  border: 1px solid color-mix(in srgb, var(--badge-color) 30%, transparent);
}

.lab-card-date {
  font-size: 0.75rem;
  color: var(--steel-muted);
}

.lab-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--steel);
  margin-bottom: 0.5rem;
}

.lab-card-summary {
  font-size: 0.85rem;
  color: var(--steel-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.lab-card-expanded {
  display: none;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--graphite-light);
}

.lab-card.expanded .lab-card-expanded {
  display: block;
}

.lab-card.expanded .lab-card-summary {
  -webkit-line-clamp: unset;
  overflow: visible;
}

.lab-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.lab-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 2px;
  background-color: var(--electric-dim);
  color: var(--electric);
  letter-spacing: 0.03em;
}

.lab-card-source {
  font-size: 0.8rem;
  color: var(--steel-muted);
  margin-bottom: 0.35rem;
}

.lab-card-source a { color: var(--electric); }

.lab-card-scores {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--steel-muted);
}

.lab-card-toggle {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  background: none;
  border: 1px solid var(--graphite-light);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--steel-muted);
  font-size: 0.9rem;
  transition: var(--transition);
  font-family: inherit;
}

.lab-card-toggle:hover {
  border-color: var(--electric);
  color: var(--electric);
}

.lab-cta-section {
  padding: 60px 0;
  border-top: 1px solid var(--graphite-light);
}

/* Author / Trust */
.section-author {
  padding: 80px 0;
}

.author-block {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
  max-width: 860px;
  margin: 0 auto;
}

.author-text h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.author-text p {
  color: var(--steel-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

/* === ABOUT PAGE === */
.about-hero {
  padding: 100px 2rem 60px;
  background: linear-gradient(135deg, var(--midnight) 0%, rgba(26, 31, 38, 0.4) 100%);
  border-bottom: 1px solid rgba(47, 107, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.about-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(0deg, transparent 24%, rgba(47, 107, 255, 0.02) 25%, rgba(47, 107, 255, 0.02) 26%, transparent 27%),
    linear-gradient(90deg, transparent 24%, rgba(47, 107, 255, 0.02) 25%, rgba(47, 107, 255, 0.02) 26%, transparent 27%);
  background-size: 50px 50px;
  pointer-events: none;
}

.about-hero .container { position: relative; z-index: 1; }

.about-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.about-role {
  font-size: 1.15rem;
  color: var(--steel-muted);
  margin-bottom: 1rem;
}

.about-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 4px 12px;
  border: 1px solid var(--electric);
  color: var(--electric);
  border-radius: 2px;
}

/* Timeline */
.about-timeline-section {
  padding: 80px 0;
  border-bottom: 1px solid var(--graphite-light);
}

.timeline {
  margin-top: 2.5rem;
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--electric), var(--cyan));
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
  padding-left: 1.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.4rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--electric);
  border: 2px solid var(--midnight);
  margin-left: -4px;
}

.timeline-year {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--electric);
  margin-bottom: 0.25rem;
}

.timeline-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--steel);
}

.timeline-content p {
  font-size: 0.95rem;
  color: var(--steel-muted);
  line-height: 1.6;
}

/* Pillars */
.about-pillars-section {
  padding: 80px 0;
  border-bottom: 1px solid var(--graphite-light);
}

.pillar-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.pillar-card {
  background-color: var(--graphite);
  border: 1px solid var(--graphite-light);
  padding: 2rem;
  border-radius: var(--radius);
  transition: var(--transition);
}

.pillar-card:hover {
  border-color: var(--electric);
  box-shadow: 0 8px 24px rgba(47, 107, 255, 0.1);
}

.pillar-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--steel);
}

.pillar-card p {
  font-size: 0.95rem;
  color: var(--steel-muted);
  line-height: 1.6;
}

/* Stats */
.about-stats-section {
  padding: 60px 0;
  border-bottom: 1px solid var(--graphite-light);
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--electric);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-muted);
}

/* About Content */
.about-content {
  padding: 60px 0;
  border-bottom: 1px solid var(--graphite-light);
}

.about-prose {
  max-width: 760px;
}

.about-prose h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 2rem 0 0.75rem;
  color: var(--steel);
}

.about-prose h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
  color: var(--steel);
}

.about-prose p {
  color: var(--steel-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.about-prose ul, .about-prose ol {
  color: var(--steel-muted);
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.about-prose li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.about-prose strong { color: var(--steel); }

/* About CTA */
.about-cta-section {
  padding: 60px 0;
}

/* === BUILD PAGE === */
.build-page main { margin-top: 64px; }

.build-opener {
  padding: 100px 2rem 80px;
  background: linear-gradient(135deg, var(--midnight) 0%, rgba(26, 31, 38, 0.4) 100%);
  border-bottom: 1px solid rgba(47, 107, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.build-opener::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(0deg, transparent 24%, rgba(47, 107, 255, 0.02) 25%, rgba(47, 107, 255, 0.02) 26%, transparent 27%),
    linear-gradient(90deg, transparent 24%, rgba(47, 107, 255, 0.02) 25%, rgba(47, 107, 255, 0.02) 26%, transparent 27%);
  background-size: 50px 50px;
  pointer-events: none;
}

.build-opener-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.build-opener h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.build-opener h1 .accent { color: var(--electric); }

.build-opener .value-statement {
  font-size: 1.15rem;
  color: var(--steel-muted);
  margin-bottom: 2.5rem;
  line-height: 1.6;
  max-width: 560px;
}

/* Services */
.build-services {
  padding: 80px 0;
  border-bottom: 1px solid var(--graphite-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.service-card {
  background-color: var(--graphite);
  border: 1px solid var(--graphite-light);
  padding: 2rem;
  border-radius: var(--radius);
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--electric);
  box-shadow: 0 8px 24px rgba(47, 107, 255, 0.1);
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--steel);
}

.service-card p {
  font-size: 0.95rem;
  color: var(--steel-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.service-card .service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.service-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 2px;
  background-color: var(--electric-dim);
  color: var(--electric);
  letter-spacing: 0.04em;
}

/* Pricing */
.build-pricing {
  padding: 80px 0;
  border-bottom: 1px solid var(--graphite-light);
  text-align: center;
}

.pricing-note {
  margin-top: 2rem;
  font-size: 1.1rem;
  color: var(--steel-muted);
}

.pricing-note strong { color: var(--steel); }

.pricing-anchor {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 1rem 2rem;
  background-color: var(--graphite);
  border: 1px solid var(--graphite-light);
  border-radius: var(--radius);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--electric);
}

/* Intake Form */
.build-intake {
  padding: 80px 0;
}

.intake-form-wrapper {
  max-width: 680px;
  margin: 0 auto;
}

.intake-form {
  background-color: var(--graphite);
  border: 1px solid var(--graphite-light);
  padding: 2.5rem;
  border-radius: var(--radius);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 0.5rem;
}

.form-group select,
.form-group textarea,
.form-group input {
  width: 100%;
  background-color: var(--midnight);
  border: 1px solid var(--graphite-light);
  color: var(--steel);
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  transition: var(--transition);
  appearance: none;
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%232F6BFF' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group select:focus,
.form-group textarea:focus,
.form-group input:focus {
  outline: none;
  border-color: var(--electric);
  box-shadow: 0 0 0 3px rgba(47, 107, 255, 0.15);
}

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

.form-group select option {
  background-color: var(--graphite);
}

.form-submit {
  width: 100%;
  min-height: 52px;
  background-color: var(--electric);
  color: var(--midnight);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  border: 2px solid var(--electric);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.form-submit:hover {
  background-color: transparent;
  color: var(--electric);
}

.form-error {
  display: none;
  font-size: 0.8rem;
  color: #E85D3A;
  margin-top: 0.35rem;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #E85D3A;
}

.form-group.has-error .form-error {
  display: block;
}

.form-success {
  display: none;
  text-align: center;
  padding: 2rem;
}

.form-success h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--electric);
}

.form-success p {
  color: var(--steel-muted);
}

/* === CHAT WIDGET === */
.chat-widget {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
}

.chat-widget.open {
  display: flex;
  justify-content: flex-end;
}

.chat-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.chat-panel {
  position: relative;
  width: 420px;
  height: 100vh;
  background-color: var(--midnight);
  border-left: 1px solid var(--graphite-light);
  display: flex;
  flex-direction: column;
  animation: chatSlideIn 0.3s ease-out;
}

@keyframes chatSlideIn {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--graphite-light);
  background-color: var(--graphite);
}

.chat-header-title {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--electric);
}

.chat-close {
  background: none;
  border: none;
  color: var(--steel-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  font-family: inherit;
}
.chat-close:hover { color: var(--steel); }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-message {
  max-width: 85%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-wrap;
}

.chat-message.bot {
  align-self: flex-start;
  background-color: var(--graphite);
  color: var(--steel);
}

.chat-message.user {
  align-self: flex-end;
  background-color: var(--electric);
  color: var(--midnight);
}

.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 0.75rem 1rem;
  align-items: center;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--steel-muted);
  animation: typingDot 1.2s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingDot {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

.chat-input-area {
  border-top: 1px solid var(--graphite-light);
  padding: 1rem 1.25rem;
  background-color: var(--graphite);
}

.chat-buttons, .chat-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chat-option-btn {
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--graphite-light);
  border-radius: 20px;
  background: transparent;
  color: var(--steel);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.chat-option-btn:hover {
  border-color: var(--electric);
  color: var(--electric);
}

.chat-text-input {
  display: flex;
  gap: 0.5rem;
}

.chat-input {
  flex: 1;
  background-color: var(--midnight);
  border: 1px solid var(--graphite-light);
  color: var(--steel);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
}

.chat-input:focus {
  outline: none;
  border-color: var(--electric);
}

.chat-send {
  background-color: var(--electric);
  color: var(--midnight);
  border: none;
  border-radius: var(--radius);
  padding: 0.6rem 1rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

.chat-contact-fields {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}

.chat-field {
  width: 100%;
  background-color: var(--midnight);
  border: 1px solid var(--graphite-light);
  color: var(--steel);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
}

.chat-field:focus {
  outline: none;
  border-color: var(--electric);
}

.build-chat-trigger {
  padding: 40px 0;
  border-bottom: 1px solid var(--graphite-light);
}

/* === MEDIA QUERIES === */
@media (max-width: 900px) {
  .paths-grid {
    grid-template-columns: 1fr;
  }

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

  .pillar-cards {
    grid-template-columns: 1fr;
  }

  .author-block {
    flex-direction: column;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background-color: rgba(11, 15, 20, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
    border-bottom: 1px solid var(--graphite-light);
  }

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

  .nav-links li {
    border-bottom: 1px solid rgba(42, 49, 57, 0.5);
  }

  .nav-links a {
    display: block;
    padding: 1rem 2rem;
    font-size: 1rem;
  }

  .nav-links a::after { display: none; }

  .opener { padding: 80px 1.5rem 60px; min-height: auto; }
  .opener h1 { font-size: 2.2rem; }

  .cta-group { flex-direction: column; align-items: stretch; }
  .cta-primary, .cta-secondary { text-align: center; }

  .build-opener { padding: 80px 1.5rem 60px; }

  .flow-pipeline { flex-direction: column; align-items: stretch; gap: 0.5rem; }
  .flow-arrow { transform: rotate(90deg); text-align: center; padding: 0.25rem 0; }

  .lab-preview-grid { grid-template-columns: repeat(2, 1fr); }

  .intake-form { padding: 1.5rem; }

  .container { padding: 0 1.25rem; }

  .chat-panel { width: 100%; border-left: none; }

  .lab-hero { padding: 80px 1.5rem 40px; }
  .lab-board { padding: 0 1.25rem; gap: 0.75rem; }
  .lab-column { flex: 0 0 240px; min-width: 240px; }
  .lab-filter-section { top: 64px; }
}

@media (max-width: 480px) {
  .lab-preview-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.6rem; }
  .lab-column { flex: 0 0 220px; min-width: 220px; }
}