/* ==========================================================================
   Vienna.i.Lab - Design System & Styles
   FCPS Flagship Innovation Center Presentation Site
   ========================================================================== */

/* Font Import - the ONE acceptable external resource */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ==========================================================================
   Custom Properties (Design Tokens)

   WCAG AA Color Contrast Audit (Phase 5):
   -------------------------------------------------------
   Primary text (#f0f0f5) on primary bg (#0a0a0f): ~18.1:1  -- PASS
   Secondary text (#a0a0b8) on primary bg (#0a0a0f): ~7.1:1  -- PASS (4.5:1 required)
   Secondary text (#a0a0b8) on secondary bg (#12121a): ~6.5:1 -- PASS
   Secondary text (#a0a0b8) on surface bg (#1a1a2e): ~5.5:1   -- PASS
   Accent cyan (#00d4ff) on primary bg (#0a0a0f): ~10.3:1     -- PASS
   Accent cyan (#00d4ff) on surface bg (#1a1a2e): ~8.5:1      -- PASS
   Accent violet (#7c3aed) on primary bg (#0a0a0f): ~3.6:1    -- FAILS body text, PASSES large text (3:1)
   Accent violet text (#9f6eff) on primary bg (#0a0a0f): ~5.2:1 -- PASS (used for small violet text)
   Nav links (#a0a0b8) on solid nav bg (rgba(10,10,15,0.92)): adequate -- PASS
   ========================================================================== */

:root {
  /* Colors - Dark primary palette with bold accents */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-bg-surface: #1a1a2e;
  --color-text-primary: #f0f0f5;
  --color-text-secondary: #a0a0b8;
  --color-accent: #00d4ff;
  --color-accent-secondary: #7c3aed;
  --color-accent-secondary-text: #9f6eff; /* Brighter violet for small text -- WCAG AA compliant (~5.2:1 on #0a0a0f) */
  --color-accent-glow: rgba(0, 212, 255, 0.15);
  --color-divider: rgba(255, 255, 255, 0.08);

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

  /* Font Sizes - fluid scaling via clamp */
  --font-size-hero: clamp(3rem, 6vw, 5.5rem);
  --font-size-h1: clamp(2rem, 4vw, 3.5rem);
  --font-size-h2: clamp(1.5rem, 3vw, 2.5rem);
  --font-size-body: clamp(1rem, 1.2vw, 1.125rem);
  --font-size-small: 0.875rem;
  --font-size-nav: 0.8125rem;

  /* Spacing */
  --spacing-section: clamp(2.5rem, 5vw, 4rem);
  --spacing-lg: 3rem;
  --spacing-md: 1.5rem;
  --spacing-sm: 0.75rem;
  --spacing-xs: 0.375rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 64px;
  --progress-height: 3px;
  --border-radius: 8px;
  --transition-speed: 0.3s;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

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

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

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ==========================================================================
   Progress Bar
   ========================================================================== */

.progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--progress-height);
  z-index: 1001;
  background: transparent;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
  transition: width 0.1s linear;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  position: fixed;
  top: var(--progress-height);
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background var(--transition-speed), border-color var(--transition-speed);
  border-bottom: 1px solid transparent;
}

.nav--transparent {
  background: transparent;
}

.nav--solid {
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom-color: var(--color-divider);
}

.nav__inner {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0 var(--spacing-md);
}

.nav__logo {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.nav__links {
  display: flex;
  gap: var(--spacing-xs);
  margin-left: auto;
  align-items: center;
}

.nav__link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-nav);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  transition: color var(--transition-speed), background-color var(--transition-speed);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
  white-space: nowrap;
}

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

.nav__link--active {
  background: var(--color-accent-glow);
  color: var(--color-accent);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  width: 24px;
  height: 24px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  transition: transform var(--transition-speed), opacity var(--transition-speed);
  border-radius: 1px;
}

/* Hamburger active state (X animation) */
.nav__hamburger--active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger--active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger--active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu overlay backdrop */
.nav__overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-speed);
}

.nav__overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   Sections - Base Layout
   ========================================================================== */

.section {
  padding: var(--spacing-section) var(--spacing-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.section--fullvp {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  max-width: none;
  padding: 0 var(--spacing-md);
}

.section--hero {
  background: linear-gradient(rgba(10, 10, 15, 0.55), rgba(10, 10, 15, 0.7)),
    url('../images/Lab learning space rendering.png') center / cover no-repeat;
  position: relative;
}

.section--ask {
  background: var(--color-bg-primary);
}

/* Alternating section backgrounds for visual rhythm */
.section--alt {
  position: relative;
}

.section--alt::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100%;
  background: var(--color-bg-secondary);
  z-index: -1;
}

/* Facility section — atrium rendering with parallax scroll */
#facility-design {
  background: linear-gradient(rgba(18, 18, 26, 0.82), rgba(18, 18, 26, 0.88)),
    url('../images/Lab atrium entryway rendering.png') center / cover no-repeat fixed;
}

#facility-design p,
#facility-design .section__lead {
  color: var(--color-text-primary);
}

/* Section titles */
.section--content h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-h1);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* Section subheadings */
.section--content h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.section--content h3:first-child,
.section__body h3:first-child {
  margin-top: 0;
}

/* Section body text */
.section--content p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-body);
  max-width: 100%;
  line-height: 1.8;
}

/* ==========================================================================
   Section Dividers
   ========================================================================== */

.section--content + .section--content {
  position: relative;
}

.section--content + .section--content::before {
  content: "";
  display: block;
  width: 80%;
  max-width: 600px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-divider), transparent);
  margin: 0 auto var(--spacing-section);
}

/* ==========================================================================
   Strategic Case & Content Blocks
   ========================================================================== */

.section__lead {
  color: var(--color-text-primary);
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  max-width: 100%;
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-divider);
}

.stat-callouts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  width: 100%;
}

.stat-callout {
  text-align: center;
  padding: var(--spacing-md);
}

.stat-callout__number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-callout__label {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--spacing-xs);
}

.section__body {
  max-width: 100%;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.section__body p {
  margin-bottom: var(--spacing-md);
  max-width: 100%;
}

.section__body p:last-child {
  margin-bottom: 0;
}

.pull-quote {
  border-left: 4px solid var(--color-accent);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  max-width: 700px;
  box-shadow: -4px 0 15px rgba(0, 212, 255, 0.08);
}

.pull-quote p {
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  font-weight: 500;
  color: var(--color-text-primary);
  font-style: italic;
  line-height: 1.6;
  max-width: 700px;
}

/* ==========================================================================
   Media Validation Cards
   ========================================================================== */

.media-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  width: 100%;
}

.media-card {
  display: block;
  background: var(--color-bg-surface);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--color-divider);
}

.media-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.3);
}

.media-card__thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.media-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-card__placeholder-label {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  opacity: 0.5;
  letter-spacing: 0.05em;
}

.media-card__source {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  background: var(--color-accent);
  color: var(--color-bg-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.media-card__body {
  padding: var(--spacing-md);
}

.media-card__title {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
}

.media-card__desc {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.media-cards__note {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-sm);
  opacity: 0.7;
}

/* ==========================================================================
   Current Impact Gallery
   ========================================================================== */

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  width: 100%;
}

.gallery__item {
  background: var(--color-bg-surface);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--color-divider);
}

/* Legacy placeholder styles -- retained for reference. Real photos use .gallery__photo class. */
.gallery__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--color-bg-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  color: var(--color-text-secondary);
  opacity: 0.5;
  font-size: var(--font-size-small);
}

.gallery__image-icon {
  font-size: 2rem;
  opacity: 0.4;
}

.gallery__photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.gallery__caption {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: 1.5;
  border-top: 1px solid var(--color-divider);
}

.gallery__note {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-sm);
  opacity: 0.7;
  font-style: italic;
}

/* ==========================================================================
   Zone Map Diagram
   ========================================================================== */

.zone-map {
  width: 100%;
  margin-top: var(--spacing-lg);
}

.zone-map h3 {
  margin-top: 0;
}

.zone-map__level {
  margin-bottom: var(--spacing-lg);
}

.zone-map__level:last-child {
  margin-bottom: 0;
}

.zone-map__level-label {
  font-family: var(--font-heading);
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.zone-map__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.zone-map__zone {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
}

.zone-map__zone h4 {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
}

.zone-map__zone p {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: none;
}

.zone-map__zone--highlight {
  border-color: rgba(0, 212, 255, 0.3);
  border-left: 3px solid var(--color-accent);
}

.zone-map__zone--connector {
  border-color: rgba(124, 58, 237, 0.3);
  border-left: 3px solid var(--color-accent-secondary);
}

/* ==========================================================================
   Academic Model Pathways
   ========================================================================== */

.pathways {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  width: 100%;
}

.pathway {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.pathway__header {
  background: var(--color-bg-secondary);
  padding: var(--spacing-md);
  font-family: var(--font-heading);
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  font-weight: 700;
  color: var(--color-text-primary);
}

.pathway__subtitle {
  padding: 0 var(--spacing-md);
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-small);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.pathway__list {
  padding: var(--spacing-md);
  list-style: none;
}

.pathway__list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-body);
  line-height: 1.6;
}

.pathway__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ==========================================================================
   Equity by Design Stats
   ========================================================================== */

.equity-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  width: 100%;
  text-align: center;
}

.equity-stat {
  padding: var(--spacing-md);
}

.equity-stat__number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.03em;
}

.equity-stat__label {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--spacing-xs);
}

/* ==========================================================================
   Budget Chart (Horizontal Bar Chart)
   ========================================================================== */

.budget-chart {
  width: 100%;
  margin: var(--spacing-lg) 0;
  max-width: 800px;
}

.budget-chart__row {
  display: grid;
  grid-template-columns: 200px 1fr 100px;
  gap: var(--spacing-sm);
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.budget-chart__label {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  text-align: right;
}

.budget-chart__bar {
  height: 32px;
  background: var(--color-bg-surface);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.budget-chart__fill {
  height: 100%;
  width: var(--bar-width);
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
  border-radius: 4px;
  transition: width 1s ease-out;
}

.budget-chart__value {
  font-family: var(--font-heading);
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-accent);
}

.budget-chart--operating .budget-chart__fill {
  background: linear-gradient(90deg, var(--color-accent-secondary), var(--color-accent));
}

.stat-callouts--single {
  grid-template-columns: 1fr;
}

/* ==========================================================================
   Five-Year Timeline
   ========================================================================== */

.timeline {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: var(--spacing-lg) 0;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-secondary));
}

.timeline__entry {
  position: relative;
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-md);
}

.timeline__entry:last-child {
  margin-bottom: 0;
}

.timeline__marker {
  position: absolute;
  left: calc(-40px + 8px);
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-bg-surface);
  border: 2px solid var(--color-accent);
  z-index: 1;
}

.timeline__entry--current .timeline__marker {
  background: var(--color-accent);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
  width: 20px;
  height: 20px;
  left: calc(-40px + 6px);
}

.timeline__badge {
  position: absolute;
  left: 28px;
  top: -2px;
  background: var(--color-accent);
  color: var(--color-bg-primary);
  font-size: 0.625rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.timeline__year {
  font-family: var(--font-heading);
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-xs);
}

.timeline__title {
  font-family: var(--font-heading);
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  margin-top: 0;
}

.timeline__milestones {
  list-style: none;
  padding: 0;
}

.timeline__milestones li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-secondary);
  font-size: var(--font-size-body);
  line-height: 1.6;
}

.timeline__milestones li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ==========================================================================
   Outcome Cards
   ========================================================================== */

.outcome-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  width: 100%;
}

.outcome-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
}

.outcome-card__number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-sm);
}

.outcome-card__title {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 1.3vw, 1.25rem);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  margin-top: 0;
}

.outcome-card__desc {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: none;
}

/* ==========================================================================
   Risk Mitigation Cards
   ========================================================================== */

.risk-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  width: 100%;
}

.risk-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.risk-card__label {
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-accent-secondary-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.risk-card__risk {
  color: var(--color-text-secondary);
  font-size: var(--font-size-body);
  line-height: 1.6;
  max-width: none;
}

.risk-card__solution-label {
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.risk-card__solution {
  color: var(--color-text-primary);
  font-size: var(--font-size-body);
  line-height: 1.6;
  max-width: none;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero__content {
  max-width: var(--max-width);
  padding: 0 var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__logo {
  width: clamp(200px, 25vw, 350px);
  height: auto;
  margin-bottom: var(--spacing-lg);
  filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.15));
}

.hero__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-hero);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text-primary);
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-family: var(--font-heading);
  font-size: var(--font-size-h2);
  font-weight: 300;
  color: var(--color-text-secondary);
  margin-top: var(--spacing-md);
  max-width: 700px;
  line-height: 1.4;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-secondary);
  animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator__text {
  font-size: var(--font-size-small);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

.scroll-indicator__arrow {
  font-size: 1.25rem;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ==========================================================================
   The Ask Section
   ========================================================================== */

.ask__content {
  max-width: var(--max-width);
  padding: 0 var(--spacing-md);
}

.ask__content h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-h1);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.ask__lead {
  color: var(--color-text-secondary);
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  max-width: 700px;
  line-height: 1.8;
  margin: 0 auto var(--spacing-lg);
  text-align: center;
}

.ask-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  max-width: 900px;
  width: 100%;
  margin: 0 auto var(--spacing-lg);
}

.ask-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: left;
  position: relative;
  border-top: 3px solid var(--color-accent);
}

.ask-card:nth-child(2) {
  border-top: 3px solid var(--color-accent);
  position: relative;
  overflow: hidden;
}

.ask-card:nth-child(2)::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
}

.ask-card:nth-child(3) {
  border-top-color: var(--color-accent-secondary);
}

.ask-card__number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.3;
  line-height: 1;
  display: block;
  margin-bottom: var(--spacing-sm);
}

.ask-card:nth-child(2) .ask-card__number {
  color: var(--color-accent-secondary);
}

.ask-card:nth-child(3) .ask-card__number {
  color: var(--color-accent-secondary);
}

.ask-card__title {
  font-family: var(--font-heading);
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

.ask-card__desc {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: none;
}

.ask__closing {
  color: var(--color-text-primary);
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  font-weight: 500;
  font-style: italic;
  max-width: 700px;
  line-height: 1.6;
  margin: 0 auto var(--spacing-md);
  text-align: center;
}

.ask__signature {
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
  text-align: center;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Placeholder Elements
   ========================================================================== */

.card-placeholder {
  background: var(--color-bg-surface);
  border: 1px dashed var(--color-divider);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
}

.image-placeholder {
  background: var(--color-bg-surface);
  border: 1px dashed var(--color-divider);
  border-radius: var(--border-radius);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
}

.placeholder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  width: 100%;
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
  padding: var(--spacing-lg) var(--spacing-md);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
  border-top: none;
  background: linear-gradient(to bottom, var(--color-bg-secondary), var(--color-bg-primary));
  line-height: 1.8;
  position: relative;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-divider), transparent);
}

/* ==========================================================================
   Card Hover States (consistent pattern for non-interactive cards)
   ========================================================================== */

.risk-card,
.outcome-card,
.zone-map__zone,
.pathway,
.gallery__item {
  transition: border-color var(--transition-speed);
}

.risk-card:hover,
.outcome-card:hover,
.zone-map__zone:hover,
.pathway:hover,
.gallery__item:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

/* Preserve highlight/connector zone borders on hover */
.zone-map__zone--highlight:hover {
  border-color: rgba(0, 212, 255, 0.4);
}

.zone-map__zone--connector:hover {
  border-color: rgba(124, 58, 237, 0.4);
}

/* ==========================================================================
   Stat Number Glow (subtle cyan glow on large stat numbers)
   ========================================================================== */

.stat-callout__number,
.equity-stat__number,
.outcome-card__number {
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
}

/* ==========================================================================
   Budget Chart Reveal Animation
   ========================================================================== */

.budget-chart__fill {
  width: 0;
}

.reveal--visible .budget-chart__fill {
  width: var(--bar-width);
}

/* ==========================================================================
   Scroll Reveal Animations
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.reveal--delay-1 {
  transition-delay: 0.15s;
}

.reveal--delay-2 {
  transition-delay: 0.3s;
}

.reveal--delay-3 {
  transition-delay: 0.45s;
}

.reveal--scale {
  opacity: 0;
  transform: scale(0.95);
}

.reveal--scale.reveal--visible {
  opacity: 1;
  transform: scale(1);
}

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

  .reveal--scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================================
   Adaptive Nav - Compact mode (triggered by JS when links overflow)
   ========================================================================== */

.nav--compact .nav__links {
  display: none;
  flex-direction: column;
  position: fixed;
  top: calc(var(--nav-height) + var(--progress-height));
  right: 0;
  background: rgba(10, 10, 15, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  width: 280px;
  padding: var(--spacing-md);
  border-left: 1px solid var(--color-divider);
  height: calc(100vh - var(--nav-height) - var(--progress-height));
  overflow-y: auto;
  gap: var(--spacing-xs);
}

.nav--compact .nav__links--open {
  display: flex;
}

.nav--compact .nav__link {
  padding: 0.625rem 0.75rem;
  border-radius: var(--border-radius);
}

.nav--compact .nav__hamburger {
  display: flex;
}

/* ==========================================================================
   Responsive - Tablet (768px and below)
   ========================================================================== */

@media (max-width: 768px) {

  /* Section padding adjustments */
  .section {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }

  .section--fullvp {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }

  .hero__content,
  .ask__content {
    padding: 0 var(--spacing-sm);
  }

  .nav__inner {
    padding: 0 var(--spacing-sm);
  }

  /* Stat callouts single column on mobile */
  .stat-callouts {
    grid-template-columns: 1fr;
  }

  /* Pull quote reduced padding on mobile */
  .pull-quote {
    padding-left: var(--spacing-sm);
  }

  /* Media cards single column on mobile */
  .media-cards {
    grid-template-columns: 1fr;
  }

  /* Gallery single column on tablet */
  .gallery {
    grid-template-columns: 1fr;
  }

  /* Placeholder grid single column on small screens */
  .placeholder-grid {
    grid-template-columns: 1fr;
  }

  /* Pathway cards single column on tablet */
  .pathways {
    grid-template-columns: 1fr;
  }

  /* Equity stats 2-column on tablet */
  .equity-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Zone map single column on tablet */
  .zone-map__grid {
    grid-template-columns: 1fr;
  }

  /* Risk cards single column on tablet */
  .risk-cards {
    grid-template-columns: 1fr;
  }

  /* Budget chart stacked on tablet */
  .budget-chart__row {
    grid-template-columns: 1fr;
  }

  .budget-chart__label {
    text-align: left;
  }

  /* Timeline compact on tablet */
  .timeline {
    padding-left: 30px;
  }

  .timeline::before {
    left: 10px;
  }

  .timeline__marker {
    left: calc(-30px + 4px);
  }

  .timeline__entry--current .timeline__marker {
    left: calc(-30px + 2px);
  }

  /* Outcome cards single column on tablet */
  .outcome-cards {
    grid-template-columns: 1fr;
  }

  /* Ask cards single column on tablet */
  .ask-cards {
    grid-template-columns: 1fr;
  }

  /* Divider adjustments */
  .section--content + .section--content::before {
    width: 90%;
  }
}

/* ==========================================================================
   Responsive - Small mobile (480px and below)
   ========================================================================== */

@media (max-width: 480px) {
  .nav__links {
    width: 100%;
  }

  .hero__subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  }

  /* Equity stats single column on small mobile */
  .equity-stats {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Print Stylesheet
   Transforms dark-themed presentation into clean, professional leave-behind
   document suitable for printing or PDF export.
   ========================================================================== */

@media print {
  /* 1. Override dark theme to white background / dark text */
  :root {
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8f8fa;
    --color-bg-surface: #f0f0f5;
    --color-text-primary: #1a1a2e;
    --color-text-secondary: #4a4a5e;
    --color-accent: #0077aa;           /* Darker cyan for print */
    --color-accent-secondary: #5a2daa; /* Darker violet for print */
    --color-divider: rgba(0, 0, 0, 0.12);
    --color-accent-glow: transparent;
  }

  body {
    background: #ffffff;
    color: #1a1a2e;
    font-size: 11pt;
    line-height: 1.5;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* 2. Hide interactive/non-print elements */
  .progress-container,
  .nav,
  .nav__overlay,
  .scroll-indicator,
  .media-cards__note,
  .gallery__note {
    display: none !important;
  }

  /* 3. Remove all animations and scroll-reveal states */
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  /* 4. Section layout for print */
  .section {
    padding: 1.5rem 0;
    max-width: 100%;
    page-break-inside: avoid;
  }

  .section--fullvp {
    min-height: auto;
    padding: 2rem 0;
  }

  /* 5. Hero compact for print */
  .hero__logo {
    width: 100px;
    filter: none;
  }

  .section--bg-image::before {
    display: none;
  }

  .hero__title {
    font-size: 28pt;
    /* Remove text gradient for print */
    background: none;
    -webkit-background-clip: initial;
    -webkit-text-fill-color: var(--color-text-primary);
    background-clip: initial;
    color: var(--color-text-primary);
  }

  .hero__subtitle {
    font-size: 14pt;
    color: var(--color-text-secondary);
  }

  /* 6. Section headings */
  .section--content h2 {
    font-size: 18pt;
    page-break-after: avoid;
  }

  .section--content h3 {
    font-size: 13pt;
    page-break-after: avoid;
  }

  /* 7. Typography for print */
  p, li {
    font-size: 11pt;
    orphans: 3;
    widows: 3;
  }

  .section__lead {
    font-size: 12pt;
    border-bottom-color: rgba(0, 0, 0, 0.1);
  }

  .pull-quote {
    border-left-color: var(--color-accent);
    box-shadow: none;
    page-break-inside: avoid;
  }

  .pull-quote p {
    font-size: 12pt;
  }

  /* 8. Cards and grids - compact for print */
  .stat-callouts {
    grid-template-columns: repeat(3, 1fr);
  }

  .stat-callout__number,
  .equity-stat__number,
  .outcome-card__number {
    text-shadow: none;
    color: var(--color-accent);
  }

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

  .media-card {
    page-break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--color-divider);
  }

  .media-card:hover {
    transform: none;
    box-shadow: none;
  }

  .media-card__thumb {
    aspect-ratio: 16 / 9;
  }

  /* 9. Gallery: compact 3-col for print */
  .gallery {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery__item {
    page-break-inside: avoid;
  }

  /* 10. Zone map compact */
  .zone-map__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }

  .zone-map__zone {
    padding: 0.5rem;
    page-break-inside: avoid;
  }

  .zone-map__zone--highlight,
  .zone-map__zone--connector {
    border-left-color: var(--color-accent);
  }

  /* 11. Pathways side by side */
  .pathways {
    grid-template-columns: repeat(2, 1fr);
  }

  .pathway {
    page-break-inside: avoid;
  }

  /* 12. Budget charts */
  .budget-chart__fill {
    width: var(--bar-width) !important; /* Override reveal animation */
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    background: var(--color-accent) !important;
  }

  .budget-chart--operating .budget-chart__fill {
    background: var(--color-accent-secondary) !important;
  }

  .budget-chart__row {
    grid-template-columns: 180px 1fr 80px;
  }

  /* 13. Timeline */
  .timeline {
    page-break-inside: avoid;
  }

  .timeline::before {
    background: var(--color-accent);
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .timeline__entry {
    page-break-inside: avoid;
  }

  .timeline__entry--current .timeline__marker {
    background: var(--color-accent);
    box-shadow: none;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* 14. Risk cards compact */
  .risk-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .risk-card {
    page-break-inside: avoid;
  }

  /* 15. Outcome cards */
  .outcome-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .outcome-card {
    page-break-inside: avoid;
  }

  /* 16. Ask cards */
  .ask-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .ask-card {
    page-break-inside: avoid;
    border-top-color: var(--color-accent);
  }

  .ask-card:nth-child(2)::before {
    display: none; /* Gradient pseudo-element not reliable in print */
  }

  .ask-card:nth-child(3) {
    border-top-color: var(--color-accent-secondary);
  }

  /* 17. Equity stats */
  .equity-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  /* 18. Footer for print */
  footer {
    border-top: 1px solid var(--color-divider);
    padding-top: 1rem;
    margin-top: 2rem;
    font-size: 9pt;
    background: none;
  }

  footer::before {
    display: none;
  }

  /* 19. Links: show URL for reference */
  .media-card::after {
    content: " (" attr(href) ")";
    display: block;
    font-size: 8pt;
    color: var(--color-text-secondary);
    padding: 0 0.5rem 0.5rem;
    word-break: break-all;
  }

  /* 20. Alternating section backgrounds for print */
  .section--alt::after {
    background: var(--color-bg-secondary) !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* 21. Page margins */
  @page {
    margin: 1.5cm;
    size: letter;
  }

  /* 22. Avoid page breaks after section titles */
  h2, h3 {
    page-break-after: avoid;
  }
}