/* ============================================================
   ETHYCO — DESIGN SYSTEM
   Mission-critical dark UI / SCADA-aesthetic
   Version: 1.0
   ============================================================ */

/* ---------------------------------------------------------- */
/* 1. GOOGLE FONTS IMPORT                                      */
/* ---------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---------------------------------------------------------- */
/* 2. CSS CUSTOM PROPERTIES                                    */
/* ---------------------------------------------------------- */
:root {
  /* Colors */
  --color-bg:           #0A0E14;
  --color-bg-elevated:  #0F141C;
  --color-bg-card:      #111822;
  --color-border:       #1A2130;
  --color-border-hover: #2A3550;

  --color-text-primary:   #F5F7FA;
  --color-text-secondary: #8B95A7;
  --color-text-muted:     #5A6478;

  --color-accent:         #00D9FF;
  --color-accent-hover:   #4DE7FF;
  --color-accent-dim:     rgba(0, 217, 255, 0.12);
  --color-accent-glow:    rgba(0, 217, 255, 0.25);

  /* Typography */
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  /* Spacing */
  --spacing-xs:   0.25rem;
  --spacing-sm:   0.5rem;
  --spacing-md:   1rem;
  --spacing-lg:   1.5rem;
  --spacing-xl:   2rem;
  --spacing-2xl:  3rem;
  --spacing-3xl:  4rem;
  --spacing-4xl:  6rem;
  --spacing-5xl:  8rem;

  /* Layout */
  --max-width:     1280px;
  --nav-height:    72px;
  --border-radius: 4px;
  --border-radius-lg: 8px;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Shadows */
  --shadow-card:  0 1px 3px rgba(0, 0, 0, 0.5), 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-glow:  0 0 20px rgba(0, 217, 255, 0.15), 0 0 40px rgba(0, 217, 255, 0.05);
}

/* ---------------------------------------------------------- */
/* 3. RESET & BASE                                             */
/* ---------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------------------------------------------------------- */
/* 4. ACCESSIBILITY                                            */
/* ---------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 9999;
  padding: 0.75rem 1.5rem;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  border-radius: 0 0 var(--border-radius) 0;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------------------------------------------------------- */
/* 5. SCROLL PROGRESS BAR                                      */
/* ---------------------------------------------------------- */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-accent);
  z-index: 10000;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px var(--color-accent-glow);
}

/* ---------------------------------------------------------- */
/* 6. TYPOGRAPHY                                               */
/* ---------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem);  font-weight: 700; }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.625rem); font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 600; }
h5 { font-size: 1rem;     font-weight: 600; }
h6 { font-size: 0.875rem; font-weight: 600; }

p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

strong {
  font-weight: 600;
  color: var(--color-text-primary);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.875em;
  letter-spacing: 0.02em;
}

.label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  display: block;
}

/* ---------------------------------------------------------- */
/* 7. LAYOUT UTILITIES                                         */
/* ---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

@media (max-width: 640px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

.section {
  padding: var(--spacing-5xl) 0;
}

.section--sm {
  padding: var(--spacing-3xl) 0;
}

.section--lg {
  padding: var(--spacing-5xl) 0 calc(var(--spacing-5xl) * 1.5);
}

.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }
}

.flex { display: flex; }
.flex--center { align-items: center; justify-content: center; }
.flex--between { align-items: center; justify-content: space-between; }
.flex--gap { gap: var(--spacing-md); }

.text-center { text-align: center; }
.text-accent  { color: var(--color-accent); }

/* ---------------------------------------------------------- */
/* 8. NAVIGATION                                               */
/* ---------------------------------------------------------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base),
              border-color var(--transition-base);
}

.site-nav--scrolled {
  background: rgba(10, 14, 20, 0.95);
  border-bottom-color: var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

/* Wordmark */
.nav-wordmark {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.nav-wordmark span {
  color: var(--color-accent);
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.01em;
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 2px;
}

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

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

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

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

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text-secondary);
  transition: transform var(--transition-base),
              opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(4.5px, 4.5px);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(4.5px, -4.5px);
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 20, 0.98);
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-2xl);
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }

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

  .nav-links a {
    font-size: 1.25rem;
  }
}

/* ---------------------------------------------------------- */
/* 9. BUTTONS                                                  */
/* ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.625rem 1.375rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background var(--transition-fast),
              border-color var(--transition-fast),
              color var(--transition-fast),
              box-shadow var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

/* Primary: solid cyan */
.btn--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #000;
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #000;
  box-shadow: 0 0 16px var(--color-accent-glow);
}

/* Secondary: transparent with cyan border */
.btn--secondary {
  background: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--secondary:hover {
  background: var(--color-accent-dim);
  color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: 0 0 16px var(--color-accent-glow);
}

/* Ghost */
.btn--ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.btn--ghost:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

/* Large variant */
.btn--lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
}

/* Icon only */
.btn__icon {
  display: inline-flex;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ---------------------------------------------------------- */
/* 10. CARDS                                                   */
/* ---------------------------------------------------------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-slow);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--color-accent);
  transition: height var(--transition-slow);
}

.card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.card:hover::before {
  height: 100%;
}

/* ---------------------------------------------------------- */
/* 11. SECTION DIVIDERS / RULES                               */
/* ---------------------------------------------------------- */
.rule {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

.section-head {
  margin-bottom: var(--spacing-3xl);
}

.section-head p {
  max-width: 52ch;
  margin-top: var(--spacing-md);
}

.section-head--center {
  text-align: center;
}

.section-head--center p {
  margin: var(--spacing-md) auto 0;
}

/* ---------------------------------------------------------- */
/* 12. HERO                                                    */
/* ---------------------------------------------------------- */
.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  /* Gradient: strong on left (text side), fade to transparent right */
  background: linear-gradient(
    105deg,
    rgba(10, 14, 20, 0.92) 0%,
    rgba(10, 14, 20, 0.75) 45%,
    rgba(10, 14, 20, 0.20) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  padding-top: var(--spacing-3xl);
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.hero__eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--color-accent);
}

.hero__headline {
  max-width: 16ch;
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
}

.hero__subhead {
  max-width: 48ch;
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.65;
}

.hero__ctas {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--spacing-2xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
}

.hero__scroll-hint::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* Hero — mobile simplification */
@media (max-width: 640px) {
  .hero__overlay {
    background: rgba(10, 14, 20, 0.82);
  }

  .hero__content {
    padding-top: var(--spacing-xl);
  }

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

/* ---------------------------------------------------------- */
/* 13. STATS BAND (hidden by default — enable when ready)      */
/* NOTE: remove "display:none" override to show               */
/* ---------------------------------------------------------- */
/* .stats-band { display: none; } */   /* UNCOMMENT TO HIDE */

.stats-band {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0;
}

.stats-band__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

@media (max-width: 1024px) {
  .stats-band__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .stats-band__grid { grid-template-columns: 1fr 1fr; }
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg) 0;
}

.stat-item__value {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 500;
  color: var(--color-text-primary);
  line-height: 1;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.stat-item__value .accent { color: var(--color-accent); }

.stat-item__label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Animated counter */
.stat-item__value[data-count] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.stat-item__value.counted {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------------------------------------------------- */
/* 14. SERVICES GRID (HOME)                                    */
/* ---------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .services-grid { grid-template-columns: 1fr; }
}

.service-card {
  padding: var(--spacing-xl);
}

.service-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--spacing-lg);
  color: var(--color-accent);
}

.service-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.service-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-top: var(--spacing-md);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.service-card__link:hover {
  gap: var(--spacing-sm);
  color: var(--color-accent-hover);
}

/* ---------------------------------------------------------- */
/* 15. WHY THIRD-PARTY SECTION                                */
/* ---------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

@media (max-width: 768px) {
  .why-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
}

.why-pillars {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.why-pillar {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.why-pillar__number {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  min-width: 24px;
  padding-top: 3px;
}

.why-pillar__text h4 {
  margin-bottom: var(--spacing-xs);
  font-size: 0.9375rem;
}

.why-pillar__text p {
  font-size: 0.875rem;
}

/* One-line diagram callout */
.diagram-callout {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 2;
}

.diagram-callout__line {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-accent);
}

.diagram-callout__line .value {
  color: var(--color-text-primary);
}

/* ---------------------------------------------------------- */
/* 16. TRUST BAND                                              */
/* ---------------------------------------------------------- */
.trust-band {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0;
}

.trust-band__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3xl);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
}

.trust-item__icon {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
  opacity: 0.7;
  flex-shrink: 0;
}

/* ---------------------------------------------------------- */
/* 17. CTA SECTION                                             */
/* ---------------------------------------------------------- */
.cta-section {
  position: relative;
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(0, 217, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-inner h2 {
  margin-bottom: var(--spacing-lg);
}

.cta-inner p {
  margin-bottom: var(--spacing-2xl);
  font-size: 1.0625rem;
}

.cta-inner .btn-group {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------------------------------------------------------- */
/* 18. SERVICES PAGE                                           */
/* ---------------------------------------------------------- */
.services-page-header {
  padding-top: calc(var(--nav-height) + var(--spacing-4xl));
  padding-bottom: var(--spacing-4xl);
  border-bottom: 1px solid var(--color-border);
}

.services-nav {
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: var(--nav-height);
  z-index: 100;
  overflow-x: auto;
  scrollbar-width: none;
}

.services-nav::-webkit-scrollbar { display: none; }

.services-nav__list {
  display: flex;
  list-style: none;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.services-nav__list a {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.services-nav__list a:hover,
.services-nav__list a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.service-section {
  padding: var(--spacing-4xl) 0;
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: calc(var(--nav-height) + 52px); /* account for sticky services-nav */
}

.service-section:last-of-type {
  border-bottom: none;
}

.service-section__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--spacing-4xl);
  align-items: start;
}

@media (max-width: 768px) {
  .service-section__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
}

.service-section__meta {
  position: sticky;
  top: calc(var(--nav-height) + 68px);
}

.service-section__number {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 500;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: var(--spacing-md);
  user-select: none;
}

.service-section__deliverables {
  margin-top: var(--spacing-xl);
}

.deliverables-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.deliverables-list li {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.deliverables-list li::before {
  content: '→';
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.service-section__content h2 {
  margin-bottom: var(--spacing-lg);
}

.service-section__content p {
  margin-bottom: var(--spacing-lg);
}

/* ---------------------------------------------------------- */
/* 19. PROCESS PAGE                                            */
/* ---------------------------------------------------------- */
.process-header {
  padding-top: calc(var(--nav-height) + var(--spacing-4xl));
  padding-bottom: var(--spacing-3xl);
  border-bottom: 1px solid var(--color-border);
}

.process-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--spacing-3xl);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--spacing-xl);
}

@media (max-width: 768px) {
  .process-layout {
    grid-template-columns: 1fr;
  }
}

/* Sticky left progress tracker */
.process-tracker {
  position: sticky;
  top: calc(var(--nav-height) + var(--spacing-2xl));
  height: fit-content;
  padding: var(--spacing-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
}

.process-tracker__label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  display: block;
}

.process-tracker__steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.tracker-step {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  cursor: pointer;
  transition: color var(--transition-fast);
  text-decoration: none;
}

.tracker-step__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  flex-shrink: 0;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.tracker-step__name {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.tracker-step:hover .tracker-step__dot,
.tracker-step.active .tracker-step__dot {
  background: var(--color-accent);
  box-shadow: 0 0 6px var(--color-accent);
}

.tracker-step:hover .tracker-step__name,
.tracker-step.active .tracker-step__name {
  color: var(--color-accent);
}

/* Process steps vertical timeline */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-step {
  position: relative;
  padding: var(--spacing-2xl) 0 var(--spacing-2xl) var(--spacing-3xl);
  border-left: 1px solid var(--color-border);
  scroll-margin-top: calc(var(--nav-height) + var(--spacing-2xl));
}

.process-step::before {
  content: '';
  position: absolute;
  left: -5px;
  top: var(--spacing-2xl);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.process-step.active::before {
  border-color: var(--color-accent);
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent-glow);
}

.process-step__tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.process-step__title {
  margin-bottom: var(--spacing-md);
}

.process-step__desc {
  font-size: 0.9375rem;
  max-width: 60ch;
  margin-bottom: var(--spacing-lg);
}

.deliverables-box {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
}

.deliverables-box__label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.deliverables-box ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.deliverables-box li {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.deliverables-box li::before {
  content: '—';
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .process-tracker {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
  }

  .process-tracker__label {
    width: 100%;
    margin-bottom: var(--spacing-sm);
  }

  .tracker-step__dot { display: none; }

  .tracker-step {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
  }

  .process-layout {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
}

/* ---------------------------------------------------------- */
/* 20. PROJECTS PAGE                                           */
/* ---------------------------------------------------------- */
.projects-header {
  padding-top: calc(var(--nav-height) + var(--spacing-4xl));
  padding-bottom: var(--spacing-4xl);
  border-bottom: 1px solid var(--color-border);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .projects-grid { grid-template-columns: 1fr; }
}

.project-card {
  display: flex;
  flex-direction: column;
}

.project-card__badge {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 3px 8px;
  background: var(--color-accent-dim);
  color: var(--color-accent);
  border-radius: 2px;
  display: inline-block;
  margin-bottom: var(--spacing-md);
}

.project-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.project-card__scope {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.project-card__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.project-stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.project-stat__value {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-text-primary);
  font-weight: 500;
}

.project-stat__label {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.project-card__outcome {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(0, 217, 255, 0.04);
  border-left: 2px solid var(--color-accent);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

/* PLACEHOLDER label overlay */
.placeholder-notice {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--color-text-muted);
  background: rgba(255, 200, 0, 0.06);
  border: 1px dashed rgba(255, 200, 0, 0.3);
  padding: 2px 6px;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: var(--spacing-sm);
}

/* ---------------------------------------------------------- */
/* 21. ABOUT PAGE                                              */
/* ---------------------------------------------------------- */
.about-header {
  padding-top: calc(var(--nav-height) + var(--spacing-4xl));
  padding-bottom: var(--spacing-4xl);
  border-bottom: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: start;
}

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: var(--spacing-2xl); }
}

.values-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.value-item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-base);
}

.value-item:hover {
  border-color: var(--color-accent);
}

.value-item__icon {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 1rem;
}

.value-item__title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.value-item__desc {
  font-size: 0.875rem;
}

.veteran-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-accent-dim);
  border: 1px solid rgba(0, 217, 255, 0.3);
  border-radius: var(--border-radius);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-2xl);
}

/* ---------------------------------------------------------- */
/* 22. CONTACT PAGE                                            */
/* ---------------------------------------------------------- */
.contact-header {
  padding-top: calc(var(--nav-height) + var(--spacing-4xl));
  padding-bottom: var(--spacing-4xl);
  border-bottom: 1px solid var(--color-border);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--spacing-4xl);
  padding: var(--spacing-4xl) 0;
}

@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; gap: var(--spacing-2xl); }
}

.contact-info h3 {
  margin-bottom: var(--spacing-md);
}

.contact-info p {
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-xl);
}

.contact-email-display {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--spacing-xl);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-email-display:hover {
  color: var(--color-accent-hover);
}

.contact-detail {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-detail:last-of-type {
  border-bottom: none;
}

/* Form */
.contact-form {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}

label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
  letter-spacing: 0.01em;
}

label .required {
  color: var(--color-accent);
  margin-left: 2px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
select,
textarea {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 0.625rem 0.875rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  outline: none;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

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

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

select {
  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 d='M1 1l5 5 5-5' stroke='%238B95A7' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}

.form-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

.form-submit {
  margin-top: var(--spacing-xl);
}

.form-feedback {
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  margin-top: var(--spacing-md);
  display: none;
}

.form-feedback--success {
  background: rgba(0, 217, 255, 0.08);
  border: 1px solid rgba(0, 217, 255, 0.3);
  color: var(--color-accent);
  display: block;
}

.form-feedback--error {
  background: rgba(255, 60, 60, 0.08);
  border: 1px solid rgba(255, 60, 60, 0.3);
  color: #ff6b6b;
  display: block;
}

/* ---------------------------------------------------------- */
/* 23. PAGE HEADERS (inner pages)                              */
/* ---------------------------------------------------------- */
.page-header {
  padding-top: calc(var(--nav-height) + var(--spacing-4xl));
  padding-bottom: var(--spacing-3xl);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -100px;
  transform: translateY(-50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(0, 217, 255, 0.04) 0%, transparent 65%);
  pointer-events: none;
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  margin-bottom: var(--spacing-md);
}

.page-header p {
  max-width: 55ch;
  font-size: 1.0625rem;
}

/* ---------------------------------------------------------- */
/* 24. FOOTER                                                  */
/* ---------------------------------------------------------- */
.site-footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--spacing-3xl);
  padding-bottom: var(--spacing-3xl);
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand__wordmark {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
  text-decoration: none;
  display: inline-block;
  margin-bottom: var(--spacing-md);
}

.footer-brand__wordmark span {
  color: var(--color-accent);
}

.footer-brand__tagline {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  max-width: 28ch;
  margin-bottom: var(--spacing-lg);
}

.veteran-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 4px 10px;
  background: var(--color-accent-dim);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.footer-col__heading {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

.footer-col__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-col__links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-col__links a:hover {
  color: var(--color-text-secondary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-xl);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer-bottom__links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-bottom__links a {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-bottom__links a:hover {
  color: var(--color-text-secondary);
}

/* ---------------------------------------------------------- */
/* 25. REVEAL ON SCROLL                                         */
/* ---------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 100ms; }
.reveal--delay-2 { transition-delay: 200ms; }
.reveal--delay-3 { transition-delay: 300ms; }
.reveal--delay-4 { transition-delay: 400ms; }
.reveal--delay-5 { transition-delay: 500ms; }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html { scroll-behavior: auto; }

  .hero__scroll-hint { animation: none; }

  #scroll-progress { transition: none; }
}

/* ---------------------------------------------------------- */
/* 26. UTILITY & MISC                                          */
/* ---------------------------------------------------------- */
.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;
}

.divider {
  width: 40px;
  height: 2px;
  background: var(--color-accent);
  margin: var(--spacing-lg) 0;
}

.text-mono {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  background: var(--color-accent-dim);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* breadcrumb / inner page nav */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover { color: var(--color-accent); }

.breadcrumb__sep {
  color: var(--color-border);
}

/* Print */
@media print {
  .site-nav,
  #scroll-progress,
  .hero__scroll-hint,
  .skip-link {
    display: none !important;
  }
}

/* ═══ FALLBACK FIX 2026-07-24 22:xx UTC ═══
   IntersectionObserver reveal wasnt firing on some browsers; ensure content is
   always visible. Reveal effect still runs when observer works. */
.reveal { opacity: 1 !important; transform: none !important; }

/* ═══ MOBILE FIX 2026-07-24 ═══
   On mobile, disable sticky meta panel so it doesnt overlap the content
   that flows below it in the stacked grid. */
@media (max-width: 768px) {
  .service-section__meta {
    position: static !important;
    top: auto !important;
  }
  .service-section__number {
    font-size: 2.5rem;
  }
}