/* ==========================================================================
   RETICLE DESIGN SYSTEM · ZUGGU
   Exact Theme: Reticle (https://www.reticle.sh/)
   Aesthetic: Warm Off-White Canvas, Obsidian Charcoal Typography,
              Pill Buttons, Highlight Marker, Illustrated Architecture Cards
   ========================================================================== */

:root {
  /* Typography Scale & Family */
  --font-family-primary: 'Geist', 'GeistSans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'Geist Mono', 'SFMono-Regular', Menlo, Monaco, Consolas, monospace;

  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-md: 14px;
  --font-size-lg: 15px;
  --font-size-xl: 16px;
  --font-size-2xl: 18px;
  --font-size-3xl: 21px;
  --font-size-4xl: 24px;
  --font-size-5xl: 32px;
  --font-size-6xl: 44px;
  --font-size-hero: clamp(36px, 5.5vw, 64px);

  --font-weight-base: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --line-height-base: 24px;
  --line-height-tight: 1.15;
  --line-height-snug: 1.35;
  --line-height-relaxed: 1.65;

  /* Reticle Light Theme Palette */
  --color-canvas-base: #faf9f6;          /* Reticle warm off-white cream background */
  --color-canvas-subtle: #f4f3ef;
  --color-surface-card: #ffffff;         /* Pure white cards */
  --color-surface-card-hover: #ffffff;
  --color-surface-diagram: #fbfbf9;      /* Diagram illustration background */
  --color-surface-overlay: rgba(14, 17, 22, 0.6);

  --color-text-primary: #0e1116;         /* Deep Obsidian Black */
  --color-text-secondary: #4b5563;       /* Balanced dark charcoal */
  --color-text-muted: #6b7280;           /* Soft muted grey */
  --color-text-tertiary: #ffffff;        /* White text for dark buttons */
  --color-text-brand: #4f46e5;           /* Reticle Indigo kicker */
  --color-text-link: #2563eb;            /* Subtle link blue */

  /* Reticle Highlight Coral/Peach Marker */
  --color-highlight-coral: #fed7aa;      /* Warm peach marker */
  --color-highlight-pink: #fecdd3;       /* Rose marker */
  --color-highlight-yellow: #fef08a;     /* Soft yellow marker */

  /* Brand Accents */
  --color-brand-primary: #0e1116;        /* Primary CTA is obsidian black */
  --color-brand-hover: #1f2937;
  --color-brand-accent: #6366f1;

  --color-accent-amber: #f59e0b;
  --color-accent-teal: #0d9488;
  --color-accent-emerald: #10b981;
  --color-accent-purple: #7c3aed;

  /* Borders & Dividers */
  --color-border-subtle: #e7e5e0;
  --color-border-card: #e5e4de;
  --color-border-medium: #d6d3cb;
  --color-border-focus: #0e1116;

  /* Spacing Scale */
  --space-1: 6px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Radius & Motion */
  --radius-xs: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-pill: 9999px;                 /* Reticle Signature Pill */

  --motion-duration-instant: 150ms;
  --transition-fast: all var(--motion-duration-instant) cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.03), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-card-hover: 0 10px 25px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
  --shadow-dropdown: 0 12px 30px rgba(0, 0, 0, 0.08);

  /* Layout */
  --container-max-width: 1180px;
  --container-padding: var(--space-6);
  --header-height: 70px;
}

/* ==========================================================================
   RESET & FOUNDATIONS
   ========================================================================== */

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

html {
  font-size: var(--font-size-xl);
  scroll-behavior: smooth;
}

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

/* Strict Focus-Visible Styling (WCAG 2.2 AA) */
:focus {
  outline: none;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ==========================================================================
   CONTAINER & SECTION ARCHITECTURE
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  position: relative;
}

.section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
  position: relative;
}

.section-header {
  text-align: left;
  max-width: 800px;
  margin-bottom: var(--space-12);
}

.section-header.text-center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* Reticle Signature Monospace Kicker Tag */
.kicker-tag {
  display: inline-block;
  color: var(--color-text-brand);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-family-mono);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.2;
  color: var(--color-text-primary);
  letter-spacing: -0.035em;
  margin-bottom: var(--space-3);
}

/* Reticle Marker Highlight Effect */
.marker-highlight {
  background-color: var(--color-highlight-coral);
  color: var(--color-text-primary);
  padding: 2px 10px;
  border-radius: var(--radius-xs);
  display: inline-block;
  line-height: 1.2;
}

.marker-highlight.teal {
  background-color: #ccfbf1;
}

.marker-highlight.pink {
  background-color: var(--color-highlight-pink);
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 680px;
}

/* ==========================================================================
   SITE HEADER & NAVIGATION
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(250, 249, 246, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
  z-index: 100;
  transition: var(--transition-fast);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Official Zuggu Emblem & Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: var(--font-weight-extrabold);
  font-size: var(--font-size-3xl);
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
}

.brand-logo-img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  object-fit: contain;
  display: block;
  background: #ffffff;
  border: 1px solid var(--color-border-card);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  padding: 3px;
}

.brand-logo-img-horizontal {
  height: 38px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
  display: block;
  transition: transform var(--transition-fast);
}

.brand-logo:hover .brand-logo-img-horizontal {
  transform: scale(1.02);
}

.brand-logo .brand-text {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
}

.brand-logo .brand-name {
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: 22px;
}

.brand-logo .group-tag {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-brand);
  text-transform: uppercase;
  font-family: var(--font-family-mono);
}

.hero-motto-tag {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  font-family: var(--font-family-mono);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--space-6);
}

.nav-link {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition-fast);
}

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

.nav-chevron {
  font-size: 10px;
  color: var(--color-text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-xs);
  padding: var(--space-2);
  color: var(--color-text-primary);
  cursor: pointer;
}

/* ==========================================================================
   BUTTON SYSTEM (RETICLE SIGNATURE PILLS)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 8px 18px;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid transparent;
  white-space: nowrap;
  line-height: 1.2;
}

/* Primary Pill: Obsidian Black */
.btn-primary {
  background-color: var(--color-text-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #27272a;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Pill: White / Subtle Border */
.btn-secondary {
  background-color: #ffffff;
  color: var(--color-text-primary);
  border-color: var(--color-border-card);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.btn-secondary:hover {
  background-color: #f9fafb;
  border-color: var(--color-border-medium);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-sm {
  padding: 6px 14px;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 12px 26px;
  font-size: var(--font-size-lg);
}

.btn-full {
  width: 100%;
}

.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-20);
}

.hero-content {
  text-align: left;
  max-width: 960px;
}

.hero-kicker-row {
  margin-bottom: var(--space-4);
}

.hero-title {
  font-size: var(--font-size-hero);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.15;
  letter-spacing: -0.04em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: clamp(17px, 2vw, 22px);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 820px;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

/* Reticle Ecosystem Strip */
.ecosystem-strip-wrapper {
  background: #ffffff;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  box-shadow: var(--shadow-card);
}

.strip-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-family-mono);
}

.strip-items {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.strip-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.strip-item:hover {
  color: var(--color-text-brand);
  transform: translateY(-1px);
}

.strip-item .dot-badge {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.dot-legal { background-color: var(--color-accent-amber); }
.dot-edtech { background-color: var(--color-accent-teal); }
.dot-ai { background-color: var(--color-brand-accent); }
.dot-cloud { background-color: var(--color-accent-purple); }

/* ==========================================================================
   ABOUT ZUGGU SECTION
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: stretch;
}

.about-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.about-card h3 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.about-card p {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-md);
}

.entity-highlight-box {
  background: var(--color-canvas-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xs);
  padding: var(--space-4);
  margin: var(--space-3) 0;
}

.entity-highlight-box strong {
  color: var(--color-text-primary);
  display: block;
  font-size: var(--font-size-md);
  margin-bottom: 2px;
}

.entity-highlight-box span {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.principles-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.principle-item {
  background: var(--color-canvas-subtle);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border-subtle);
}

.principle-item h4 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.principle-item p {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.4;
}

/* ==========================================================================
   OUR COMPANIES / PORTFOLIO (RETICLE 3-COLUMN ILLUSTRATED CARDS)
   ========================================================================== */

.portfolio-filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.filter-btn {
  background: #ffffff;
  border: 1px solid var(--color-border-card);
  color: var(--color-text-secondary);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.filter-btn.active {
  background: var(--color-text-primary);
  border-color: var(--color-text-primary);
  color: #ffffff;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

/* Reticle Signature Illustrated Tech Card */
.company-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-card);
  transition: var(--transition-fast);
}

.company-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-medium);
}

/* Diagram Illustration Container */
.card-diagram-box {
  background: var(--color-surface-diagram);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  height: 190px;
  padding: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  overflow: hidden;
  position: relative;
}

.card-diagram-box svg {
  max-width: 100%;
  height: auto;
}

.company-card h3,
.company-card h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.company-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-5);
  flex-grow: 1;
}

.company-description a {
  color: var(--color-text-link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.card-footer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
}

.card-leadership-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.card-leadership-note strong {
  color: var(--color-text-primary);
  display: block;
}

/* ==========================================================================
   LEADERSHIP SECTION
   ========================================================================== */

.leadership-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.leader-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  text-align: left;
  transition: var(--transition-fast);
}

.leader-card:hover {
  box-shadow: var(--shadow-card-hover);
}

.leader-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-canvas-subtle);
  border: 1px solid var(--color-border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.leader-card h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.leader-role {
  font-size: var(--font-size-sm);
  color: var(--color-text-brand);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-3);
  font-family: var(--font-family-mono);
}

.leader-bio {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   IMPACT & LIVE NUMBERS SECTION
   ========================================================================== */

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.impact-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: left;
  box-shadow: var(--shadow-card);
  transition: var(--transition-fast);
}

.impact-card:hover {
  border-color: var(--color-border-medium);
}

.impact-number {
  font-size: clamp(34px, 3.5vw, 48px);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: -0.04em;
}

.impact-label {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.impact-sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   CAREERS & JOB LISTINGS
   ========================================================================== */

.careers-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--space-6);
  align-items: start;
}

.careers-info-box {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
}

.job-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.job-item-card {
  background: #ffffff;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-card);
  transition: var(--transition-fast);
}

.job-item-card:hover {
  border-color: var(--color-border-medium);
  box-shadow: var(--shadow-card-hover);
}

.job-info h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.job-meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.job-tag {
  background: var(--color-canvas-subtle);
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  font-family: var(--font-family-mono);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

/* ==========================================================================
   CONTACT SECTION & FORM
   ========================================================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--space-6);
  align-items: start;
}

.contact-info-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
}

.contact-form-container {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: #ffffff;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-xs);
  color: var(--color-text-primary);
  font-size: var(--font-size-md);
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-text-primary);
  box-shadow: 0 0 0 3px rgba(14, 17, 22, 0.08);
}

.form-control.is-invalid {
  border-color: var(--color-error);
}

.form-status-alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-xs);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  display: none;
}

.form-status-alert.active-success {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}

.form-status-alert.active-error {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-16);
  padding-bottom: var(--space-10);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.footer-brand p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-top: var(--space-3);
  margin-bottom: var(--space-4);
  max-width: 320px;
}

.footer-col h5 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
  font-family: var(--font-family-mono);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: var(--space-4);
  font-family: var(--font-family-mono);
}

/* ==========================================================================
   MODAL DIALOG
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-surface-overlay);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: #ffffff;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  padding: var(--space-8);
  box-shadow: var(--shadow-dropdown);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close-btn {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  background: transparent;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

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

/* ==========================================================================
   FOUNDER'S STATEMENT / CONVICTION (RETICLE THEME)
   ========================================================================== */
.founder-statement-section {
  padding-top: var(--space-8);
  padding-bottom: var(--space-12);
}

.founder-statement-card {
  position: relative;
  max-width: 1040px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-lg);
  padding: 52px 56px 44px 56px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.founder-statement-card:hover {
  border-color: var(--color-border-medium);
  box-shadow: var(--shadow-card-hover);
}

.founder-quote-glyph {
  position: absolute;
  top: -24px;
  right: 36px;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 190px;
  line-height: 1;
  font-weight: 700;
  color: rgba(14, 17, 22, 0.035);
  pointer-events: none;
  user-select: none;
}

.founder-statement-top {
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 2;
}

.founder-kicker-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.founder-kicker-row .kicker-tag {
  margin-bottom: 0;
}

.founder-vision-tag {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.founder-quote-text {
  font-family: var(--font-family-primary);
  font-size: clamp(21px, 2.3vw, 28px);
  line-height: 1.55;
  font-weight: 500;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-8) 0;
  position: relative;
  z-index: 2;
}

.founder-quote-text strong {
  font-weight: 700;
  color: var(--color-text-primary);
}

.founder-statement-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.founder-profile {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.founder-avatar-initials {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-pill);
  background: var(--color-text-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(14, 17, 22, 0.15);
}

.founder-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.founder-verified-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-brand-accent);
  color: #ffffff;
  font-size: 9px;
  font-weight: 800;
}

.founder-title {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

.founder-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ==========================================================================
   GLOBAL ENHANCEMENTS: SELECTION & CUSTOM SCROLLBAR
   ========================================================================== */
::selection {
  background: var(--color-highlight-coral);
  color: var(--color-text-primary);
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-canvas-base);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-medium);
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-canvas-base);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS & MOBILE ARCHITECTURE
   ========================================================================== */

/* Large Tablets & Small Desktops (<= 1024px) */
@media (max-width: 1024px) {
  :root {
    --container-padding: var(--space-5);
  }
  .founder-statement-card {
    padding: 44px 36px 36px 36px;
  }
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .leadership-grid, .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid, .careers-grid, .contact-layout {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

/* Tablets & Mobile Navigation Drawer (<= 960px) */
@media (max-width: 960px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(250, 249, 246, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6) var(--space-6) var(--space-8);
    gap: var(--space-2);
    border-bottom: 1px solid var(--color-border-subtle);
    transform: translateY(-15px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, visibility 0.2s;
    z-index: 99;
    overflow-y: auto;
  }

  .nav-menu.open {
    display: flex;
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-menu li {
    width: 100%;
    border-bottom: 1px solid var(--color-border-subtle);
    padding: var(--space-2) 0;
  }

  .nav-menu li:last-child {
    border-bottom: none;
  }

  .nav-link {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
  }

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

  .header-actions .btn-secondary {
    display: none;
  }
}

/* Mobile & Phablets (<= 768px) */
@media (max-width: 768px) {
  :root {
    --container-padding: var(--space-4);
  }

  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  .section-header {
    margin-bottom: var(--space-8);
  }

  .section-title {
    font-size: clamp(26px, 6vw, 34px);
  }

  .portfolio-grid, .leadership-grid, .impact-grid {
    grid-template-columns: 1fr;
  }

  .about-card {
    padding: var(--space-6);
  }

  .founder-statement-card {
    padding: 32px 20px 28px 20px;
    border-radius: 16px;
  }

  .founder-quote-glyph {
    display: none;
  }

  .founder-quote-text {
    font-size: 19px;
    line-height: 1.5;
    margin-bottom: 24px;
  }

  .founder-statement-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .founder-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .founder-actions .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .job-item-card {
    padding: var(--space-4);
  }

  .contact-info-card,
  .contact-form-container {
    padding: var(--space-6);
  }

  .card-footer-actions {
    flex-wrap: wrap;
    gap: 12px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .modal-card {
    padding: var(--space-6) var(--space-4);
  }
}

/* Compact Phones (<= 480px) */
@media (max-width: 480px) {
  .hero-section {
    padding-top: var(--space-10);
    padding-bottom: var(--space-12);
  }

  .hero-title {
    font-size: 27px;
    line-height: 1.25;
  }

  .hero-subtitle {
    font-size: 14px;
    line-height: 1.6;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .header-actions #nav-cta-btn {
    display: none;
  }

  .brand-logo-img-horizontal {
    height: 32px;
    max-width: 125px;
  }

  .ecosystem-strip-wrapper {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    gap: var(--space-3);
  }

  .strip-items {
    width: 100%;
    gap: 8px 12px;
  }

  .strip-item {
    font-size: 12px;
  }

  .principles-row {
    grid-template-columns: 1fr;
  }

  .job-item-card {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .job-item-card .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .card-footer-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .card-footer-actions > div:last-child {
    width: 100%;
    display: flex;
    gap: 8px;
  }

  .card-footer-actions > div:last-child .btn {
    flex: 1;
    text-align: center;
    justify-content: center;
  }

  .founder-quote-text {
    font-size: 16px;
    line-height: 1.5;
  }

  .founder-statement-top {
    margin-bottom: 16px;
  }

  .portfolio-filter-bar {
    gap: 6px;
  }

  .filter-btn {
    padding: 4px 12px;
    font-size: 12px;
  }
}