/* ==============================================
   MSSP Customer Maturity Framework - Main Styles
   Distinctive, Technical, Professional Design
   ============================================== */

:root {
  /* Color Palette - Technical Blues & Grays */
  --color-primary: #1a2332;
  --color-secondary: #2c3e50;
  --color-accent: #3498db;
  --color-highlight: #2ecc71;
  --color-dark: #0f1419;
  --color-gray-900: #1c1c1e;
  --color-gray-800: #2c2c2e;
  --color-gray-700: #3a3a3c;
  --color-gray-600: #48484a;
  --color-gray-500: #636366;
  --color-gray-400: #8e8e93;
  --color-gray-300: #aeaeb2;
  --color-gray-200: #c7c7cc;
  --color-gray-100: #e5e5ea;
  --color-gray-50: #f2f2f7;
  --color-white: #ffffff;
  
  /* Typography */
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-medium: 300ms ease;
  --transition-slow: 500ms ease;
}

/* ==============================================
   RESET & BASE STYLES
   ============================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ==============================================
   NAVIGATION
   ============================================== */

.navigation {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-100);
  transition: all var(--transition-medium);
}

.navigation.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-xs);
}

.brand-mono {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.brand-text {
  font-weight: 300;
  font-size: 0.9rem;
  color: var(--color-gray-600);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-links a {
  text-decoration: none;
  color: var(--color-gray-600);
  font-size: 0.9rem;
  font-weight: 400;
  transition: color var(--transition-fast);
  position: relative;
}

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

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

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

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

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl) var(--spacing-lg);
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px),
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px);
  opacity: 0.5;
}

.hero-content {
  max-width: 1200px;
  text-align: center;
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease forwards;
}

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

.hero-tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-gray-900);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 2px;
  margin-bottom: var(--spacing-lg);
  animation: fadeIn 1s ease 0.2s forwards;
  opacity: 0;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.03em;
  animation: fadeIn 1s ease 0.4s forwards;
  opacity: 0;
}

.hero-title .highlight {
  font-weight: 600;
  background: linear-gradient(135deg, var(--color-accent), var(--color-highlight));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--color-gray-600);
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  font-weight: 300;
  animation: fadeIn 1s ease 0.6s forwards;
  opacity: 0;
}

.hero-metrics {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  animation: fadeIn 1s ease 0.8s forwards;
  opacity: 0;
}

.metric {
  text-align: center;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--color-gray-600);
  margin-top: var(--spacing-xs);
  font-weight: 400;
}

.cta-button {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  background-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  border-radius: 4px;
  transition: all var(--transition-medium);
  animation: fadeIn 1s ease 1s forwards;
  opacity: 0;
}

.cta-button:hover {
  background-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.hero-visual {
  margin-top: var(--spacing-2xl);
  animation: fadeIn 1s ease 1.2s forwards;
  opacity: 0;
}

.framework-diagram-mini {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.engine-box-mini {
  background-color: rgba(255, 255, 255, 0.9);
  padding: var(--spacing-lg);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  min-width: 200px;
  text-align: center;
  border: 2px solid var(--color-gray-200);
}

.engine-box-mini.growth {
  border-top: 4px solid var(--color-accent);
}

.engine-box-mini.fulfilment {
  border-top: 4px solid var(--color-highlight);
}

.engine-box-mini span {
  display: block;
  font-weight: 500;
  color: var(--color-primary);
}

.engine-box-mini small {
  display: block;
  font-size: 0.85rem;
  color: var(--color-gray-600);
  margin-top: var(--spacing-xs);
  font-family: var(--font-mono);
}

.arrow-mini {
  font-size: 2rem;
  color: var(--color-gray-400);
}

/* ==============================================
   PROBLEM SECTION
   ============================================== */

.problem-section {
  padding: var(--spacing-3xl) var(--spacing-lg);
  background-color: var(--color-white);
}

.section-content {
  max-width: 1200px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slow);
}

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

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  letter-spacing: -0.02em;
}

.section-intro {
  text-align: center;
  font-size: 1.1rem;
  color: var(--color-gray-600);
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
  font-weight: 300;
}

.scqr-pyramid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin: var(--spacing-2xl) 0;
}

.pyramid-level {
  background-color: var(--color-gray-800);
  color: var(--color-white);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: 4px;
  text-align: center;
  transition: all var(--transition-medium);
  cursor: default;
}

.pyramid-level:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.pyramid-level.situation {
  background-color: var(--color-gray-900);
  width: min(90%, 300px);
}

.pyramid-level.complication {
  background-color: var(--color-gray-800);
  width: min(90%, 450px);
}

.pyramid-level.question {
  background-color: var(--color-gray-700);
  width: min(90%, 600px);
}

.pyramid-level.resolution {
  background-color: var(--color-gray-600);
  width: min(90%, 750px);
}

.level-content strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-xs);
  opacity: 0.8;
}

.level-content p {
  font-size: 0.95rem;
  font-weight: 400;
}

.problem-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.detail-card {
  background-color: var(--color-gray-50);
  padding: var(--spacing-xl);
  border-radius: 8px;
  border-left: 4px solid var(--color-accent);
  transition: all var(--transition-medium);
}

.detail-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.detail-card h3 {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.detail-card p {
  color: var(--color-gray-700);
  line-height: 1.7;
}

/* ==============================================
   DUAL ENGINE SECTION
   ============================================== */

.dual-engine-section {
  padding: var(--spacing-3xl) var(--spacing-lg);
  background: linear-gradient(to bottom, var(--color-white), var(--color-gray-50));
}

.engine-selector {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.engine-btn {
  flex: 1;
  max-width: 400px;
  min-width: 280px;
  padding: var(--spacing-lg);
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-medium);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.engine-btn:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.engine-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.engine-btn.active .engine-name,
.engine-btn.active .engine-duration,
.engine-btn.active .engine-goal {
  color: var(--color-white);
}

.engine-name {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-primary);
}

.engine-duration {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-gray-600);
}

.engine-goal {
  font-size: 0.9rem;
  color: var(--color-gray-600);
  font-weight: 400;
  margin-top: var(--spacing-xs);
}

.phases-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.phase-card {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: 8px;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-medium);
  animation: slideInUp 0.5s ease forwards;
  opacity: 0;
}

.phase-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--color-accent);
}

.phase-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.phase-number {
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 600;
  flex-shrink: 0;
}

.phase-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.phase-duration {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-gray-600);
}

.phase-description {
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.phase-deliverables {
  background-color: var(--color-gray-50);
  padding: var(--spacing-md);
  border-radius: 4px;
  border-left: 3px solid var(--color-accent);
}

.phase-deliverables strong {
  font-size: 0.85rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.phase-deliverables ul {
  margin: var(--spacing-sm) 0 0 var(--spacing-md);
  color: var(--color-gray-700);
}

.phase-deliverables li {
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
}

/* ==============================================
   IMPLEMENTATION SECTION
   ============================================== */

.implementation-section {
  padding: var(--spacing-3xl) var(--spacing-lg);
  background-color: var(--color-white);
}

.stakeholders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.stakeholder-card {
  background-color: var(--color-gray-50);
  padding: var(--spacing-xl);
  border-radius: 8px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-medium);
  border: 2px solid transparent;
  animation: fadeIn 0.5s ease forwards;
  opacity: 0;
}

.stakeholder-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--color-accent);
}

.stakeholder-card.expanded {
  background-color: var(--color-white);
  border-color: var(--color-accent);
}

.stakeholder-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.stakeholder-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.stakeholder-value {
  color: var(--color-gray-700);
  font-size: 0.95rem;
  line-height: 1.6;
}

.stakeholder-details {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-gray-200);
  text-align: left;
}

.stakeholder-details strong {
  display: block;
  font-size: 0.85rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.stakeholder-details ul {
  margin-left: var(--spacing-md);
  color: var(--color-gray-700);
}

.stakeholder-details li {
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
}

.success-metrics {
  background-color: var(--color-gray-50);
  padding: var(--spacing-2xl);
  border-radius: 8px;
  margin-top: var(--spacing-2xl);
}

.success-metrics h3 {
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
}

.metric-card {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: 8px;
  text-align: center;
  border: 2px solid var(--color-gray-200);
  transition: all var(--transition-medium);
}

.metric-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.metric-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.metric-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.metric-card p {
  color: var(--color-gray-700);
  font-size: 0.9rem;
  line-height: 1.5;
}

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

.about-section {
  padding: var(--spacing-3xl) var(--spacing-lg);
  background: linear-gradient(to bottom, var(--color-gray-50), var(--color-white));
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.about-text h3 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.about-role {
  font-size: 1.1rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xl);
  font-weight: 500;
}

.about-bio {
  font-size: 1.05rem;
  color: var(--color-gray-700);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.highlight-item {
  background-color: var(--color-gray-50);
  padding: var(--spacing-lg);
  border-radius: 8px;
  border-left: 4px solid var(--color-accent);
}

.highlight-item strong {
  display: block;
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.highlight-item p {
  color: var(--color-gray-700);
  line-height: 1.7;
}

.credentials h4 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.competencies-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.competencies-tags span {
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.competencies-tags span:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ==============================================
   CONTACT SECTION
   ============================================== */

.contact-section {
  padding: var(--spacing-3xl) var(--spacing-lg);
  background-color: var(--color-gray-50);
}

.contact-intro {
  text-align: center;
  font-size: 1.1rem;
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto var(--spacing-2xl);
}

.contact-box {
  max-width: 600px;
  margin: 0 auto var(--spacing-2xl);
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

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

.contact-icon {
  font-size: 3rem;
  flex-shrink: 0;
}

.contact-details h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.email-link {
  display: block;
  font-size: 1.1rem;
  color: var(--color-accent);
  text-decoration: none;
  margin-bottom: var(--spacing-md);
  font-family: var(--font-mono);
  transition: color var(--transition-fast);
}

.email-link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.copy-button {
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-gray-100);
  color: var(--color-primary);
  border: 1px solid var(--color-gray-300);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  margin-bottom: var(--spacing-sm);
}

.copy-button:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.contact-note {
  font-size: 0.85rem;
  color: var(--color-gray-600);
  font-style: italic;
}

.framework-note {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--color-white);
  border-radius: 8px;
  border: 1px solid var(--color-gray-200);
}

.framework-note p {
  color: var(--color-gray-700);
  line-height: 1.7;
  font-size: 0.95rem;
}

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

.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-brand .brand {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.8;
  font-weight: 300;
}

.footer-info {
  text-align: right;
}

.footer-info p {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: 4px;
}

.footer-note {
  font-size: 0.85rem !important;
  font-style: italic;
}

/* ==============================================
   ANIMATIONS
   ============================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==============================================
   RESPONSIVE DESIGN
   ============================================== */

@media (max-width: 768px) {
  .nav-links {
    display: none; /* Mobile menu would go here in production */
  }

  .hero-section {
    min-height: auto;
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  .hero-metrics {
    gap: var(--spacing-md);
  }

  .metric-value {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .pyramid-level {
    padding: var(--spacing-md);
  }

  .engine-selector {
    flex-direction: column;
  }

  .stakeholders-grid,
  .phases-container,
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-info {
    text-align: center;
  }

  .contact-method {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }

  .nav-container {
    padding: var(--spacing-md);
  }

  .brand-text {
    display: none;
  }
}

/* ==============================================
   UTILITY CLASSES
   ============================================== */

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }