/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --primary-violet: #7C3AED;
  --primary-violet-light: #A855F7;
  --primary-cyan: #06B6D4;
  --primary-cyan-light: #22D3EE;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #06B6D4 0%, #7C3AED 60%, #A855F7 100%);
  --gradient-cta: linear-gradient(135deg, #06B6D4, #7C3AED);
  --gradient-text: linear-gradient(135deg, #06B6D4, #A855F7);
  
  /* Dark Theme */
  --bg-primary: #0C0C0C;
  --bg-secondary: #111115;
  --bg-surface: #1A1A22;
  --bg-card: rgba(26, 26, 34, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.05);
  
  /* Text Colors */
  --text-primary: #FFFFFF;
  --text-secondary: #E7E7EA;
  --text-muted: #A1A1AA;
  --text-accent: #06B6D4;
  
  /* Borders */
  --border-primary: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(6, 182, 212, 0.3);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(6, 182, 212, 0.3);
  --shadow-glow-purple: 0 0 20px rgba(124, 58, 237, 0.3);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Exo 2', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --container-max-width: 1200px;
  --section-padding: 6rem 0;
  --section-padding-sm: 4rem 0;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index */
  --z-loading: 9999;
  --z-navbar: 1000;
  --z-modal: 1050;
  --z-tooltip: 1100;
}

/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-loading);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

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

.loading-moon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-primary);
  margin: 0 auto 1rem;
  animation: pulse 2s infinite;
}

.loading-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: 2rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.loading-progress {
  width: 200px;
  height: 2px;
  background: var(--bg-surface);
  border-radius: 1px;
  overflow: hidden;
  margin: 0 auto;
}

.loading-bar {
  height: 100%;
  background: var(--gradient-primary);
  width: 0;
  animation: loading 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

@keyframes loading {
  0% { width: 0; }
  50% { width: 70%; }
  100% { width: 100%; }
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(12, 12, 12, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-primary);
  z-index: var(--z-navbar);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(12, 12, 12, 0.95);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo .logo-img {
  height: 40px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-normal);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-family: var(--font-primary);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-cta);
  color: var(--text-primary);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-accent);
}

.btn-secondary:hover {
  background: var(--bg-glass);
  border-color: var(--primary-cyan);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-xl {
  padding: 1.25rem 2.5rem;
  font-size: 1.25rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.btn-arrow {
  transition: transform var(--transition-normal);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

.btn-loading {
  display: none;
}

.btn.loading .btn-loading {
  display: block;
}

.btn.loading .btn-icon,
.btn.loading .btn-arrow {
  display: none;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== TYPOGRAPHY ===== */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-accent);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

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

.section {
  padding: var(--section-padding);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-moon-element {
  position: absolute;
  top: 20%;
  right: 10%;
  z-index: -1;
}

.floating-moon {
  width: 300px;
  height: 300px;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.hero-content {
  width: 100%;
  z-index: 1;
}

.hero-text {
  margin-bottom: 3rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.title-line {
  display: block;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-bottom: 3rem;
}

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

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-accent);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--text-muted);
}

.scroll-mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--border-primary);
  border-radius: 12px;
  margin: 0 auto 0.5rem;
  position: relative;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--text-accent);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

.scroll-text {
  font-size: 0.875rem;
}

/* ===== ABOUT SECTION ===== */
.about-section {
  background: var(--bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.about-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.about-info h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.about-info p {
  color: var(--text-secondary);
}

.about-visual {
  position: relative;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 16px;
  padding: 2rem;
  backdrop-filter: blur(20px);
  position: relative;
}

.about-card.floating {
  animation: float 6s ease-in-out infinite;
}

.card-glow {
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  background: var(--gradient-primary);
  border-radius: 16px;
  z-index: -1;
  opacity: 0.3;
  filter: blur(10px);
}

.card-content h4 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
}

/* ===== FEATURES SECTION ===== */
.features-section {
  position: relative;
}

.features-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.3;
}

.features-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 16px;
  padding: 2rem;
  backdrop-filter: blur(20px);
  position: relative;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-accent);
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 1.5rem;
}

.feature-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.feature-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.feature-benefits {
  list-style: none;
}

.feature-benefits li {
  padding: 0.25rem 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.feature-glow {
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  background: var(--gradient-primary);
  border-radius: 16px;
  z-index: -1;
  opacity: 0;
  filter: blur(20px);
  transition: opacity var(--transition-normal);
}

.feature-card:hover .feature-glow {
  opacity: 0.2;
}

/* ===== METRICS SECTION ===== */
.metrics-section {
  background: var(--bg-secondary);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.metric-card {
  text-align: center;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 16px;
  backdrop-filter: blur(20px);
  transition: all var(--transition-normal);
}

.metric-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.metric-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.metric-number {
  display: block;
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-accent);
  margin-bottom: 0.5rem;
}

.metric-label {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.metric-description {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ===== ROI CALCULATOR ===== */
.roi-section {
  background: var(--bg-surface);
}

.roi-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.roi-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  margin-bottom: 1rem;
}

.roi-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

.calculator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 16px;
  padding: 2rem;
  backdrop-filter: blur(20px);
}

.calculator-input {
  margin-bottom: 1.5rem;
}

.calculator-input label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.calculator-input input {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-primary);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
}

.calculator-input input:focus {
  outline: none;
  border-color: var(--border-accent);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.calculator-result {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--bg-surface);
  border-radius: 8px;
}

.result-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.result-label {
  color: var(--text-secondary);
}

.result-value {
  font-weight: 700;
  color: var(--text-accent);
}

/* ===== CTA SECTION ===== */
.cta-section {
  position: relative;
  text-align: center;
}

.cta-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.3;
}

.cta-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
}

.cta-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.cta-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.guarantee-icon {
  color: var(--text-accent);
}

/* ===== CONTACT SECTION ===== */
.contact-section {
  background: var(--bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 12px;
  backdrop-filter: blur(20px);
  transition: all var(--transition-normal);
}

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

.contact-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-details h4 {
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.contact-details a {
  color: var(--text-accent);
  text-decoration: none;
}

.contact-details a:hover {
  text-decoration: underline;
}

.contact-form-container {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 16px;
  padding: 2rem;
  backdrop-filter: blur(20px);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-primary);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--border-accent);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-consent {
  margin-bottom: 2rem;
}

.consent-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}

.consent-checkbox input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-primary);
  border-radius: 4px;
  position: relative;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.consent-checkbox input[type="checkbox"]:checked + .checkmark {
  background: var(--gradient-cta);
  border-color: var(--primary-cyan);
}

.consent-checkbox input[type="checkbox"]:checked + .checkmark::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: bold;
}

.consent-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.consent-text a {
  color: var(--text-accent);
  text-decoration: none;
}

.consent-text a:hover {
  text-decoration: underline;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-primary);
  padding: 3rem 0 1rem;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 2rem;
}

.footer-brand {
  max-width: 400px;
}

.footer-logo {
  height: 40px;
  margin-bottom: 1rem;
}

.footer-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.footer-badges {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-primary);
  border-radius: 20px;
  font-size: 0.875rem;
}

.badge-icon {
  font-size: 1rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 0.5rem;
}

.footer-column a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--text-accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-primary);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.875rem;
}

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

.fade-in {
  animation: fadeInUp 0.6s ease forwards;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .section-title {
    font-size: 2.5rem;
  }
  
  .about-content,
  .roi-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero-moon-element {
    right: 5%;
    top: 30%;
  }
  
  .floating-moon {
    width: 200px;
    height: 200px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .cta-title {
    font-size: 2.5rem;
  }
  
  .cta-actions {
    flex-direction: column;
  }
  
  .hero-moon-element {
    display: none;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .nav-container {
    padding: 0 1rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .btn-lg,
  .btn-xl {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }

.hidden { display: none; }
.visible { display: block; }

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
.btn:focus,
input:focus,
textarea:focus,
.nav-link:focus {
  outline: 2px solid var(--primary-cyan);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-primary: rgba(255, 255, 255, 0.3);
    --border-accent: rgba(6, 182, 212, 0.8);
  }
}