/* ========================================
   CSS Variables - VEPATime Color Palette
   ======================================== */
:root {
  /* Primary Colors */
  --french-gray: #c9cad9;
  --periwinkle: #d1d2f9;
  --jordy-blue: #a3bcf9;
  --vista-blue: #7796cb;
  --ultra-violet: #576490;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #576490, #7796cb, #a3bcf9);
  --gradient-accent: linear-gradient(45deg, #d1d2f9, #a3bcf9);

  /* Functional Colors */
  --bg-primary: #576490;
  --bg-secondary: #454d6b;
  --bg-card: #626a8e;
  --text-primary: #ffffff;
  --text-secondary: #c9cad9;
  --accent-primary: #a3bcf9;
  --accent-secondary: #d1d2f9;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;

  /* Typography */
  --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
}

/* ========================================
   Global Styles
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

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

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-secondary);
  text-decoration: underline;
}

/* ========================================
   Buttons
   ======================================== */
button {
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  padding: 0.875rem 2rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--ultra-violet);
  box-shadow: 0 4px 12px rgba(163, 188, 249, 0.3);
}

.btn-primary:hover {
  background: var(--gradient-accent);
  color: var(--ultra-violet);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(163, 188, 249, 0.4);
}

.btn-primary:disabled {
  background: linear-gradient(135deg, #c0c0c0 0%, #e0e0e0 100%);
  color: #888;
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
  pointer-events: none;
}

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

.btn-secondary:hover {
  background: rgba(163, 188, 249, 0.1);
  border-color: var(--accent-secondary);
}

.btn-large {
  padding: 1.25rem 3rem;
  font-size: 1.125rem;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(69, 77, 107, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  height: 50px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--accent-primary);
  text-decoration: none;
}

.nav-links button {
  padding: 0.625rem 1.5rem;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  background: var(--gradient-primary);
  min-height: 90vh;
  display: flex;
  flex-direction: column;
}

.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.hero-title {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  justify-content: center;
}

.hero-visual {
  margin-top: var(--spacing-md);
  width: 100%;
  max-width: 900px;
}

.placeholder-visual {
  background: rgba(255, 255, 255, 0.1);
  border: 2px dashed var(--accent-primary);
  border-radius: 12px;
  padding: var(--spacing-xl);
  font-size: 1.5rem;
  color: var(--text-secondary);
  backdrop-filter: blur(5px);
}

/* ========================================
   Section Styles
   ======================================== */
section {
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.section-intro {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
  text-align: center;
}

section h2 {
  text-align: center;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

/* ========================================
   Problem Section
   ======================================== */
.problem-section {
  background: var(--bg-secondary);
}

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

.pain-point {
  background: var(--bg-card);
  padding: var(--spacing-md);
  border-radius: 12px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pain-point:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

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

.pain-point h3 {
  color: var(--accent-primary);
  margin-bottom: var(--spacing-sm);
}

.pain-point p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ========================================
   Solution Section
   ======================================== */
.solution-section {
  background: var(--bg-primary);
}

.benefits-list {
  max-width: 900px;
  margin: 0 auto var(--spacing-lg);
}

.benefit {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  border-radius: 8px;
  transition: background 0.3s ease;
}

.benefit:hover {
  background: rgba(163, 188, 249, 0.05);
}

.benefit-icon {
  font-size: 1.5rem;
  color: var(--accent-primary);
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(163, 188, 249, 0.15);
  border-radius: 50%;
}

.benefit-content h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.benefit-content p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

.cta-container {
  text-align: center;
  margin-top: var(--spacing-lg);
}

/* ========================================
   Features Section
   ======================================== */
.features-section {
  background: var(--bg-secondary);
}

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

.feature {
  background: var(--bg-card);
  padding: var(--spacing-md);
  border-radius: 12px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.feature.visible {
  animation: fadeInUp 0.6s ease forwards;
}

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

.feature:nth-child(2).visible {
  animation-delay: 0.1s;
}

.feature:nth-child(3).visible {
  animation-delay: 0.2s;
}

.feature:nth-child(4).visible {
  animation-delay: 0.3s;
}

.feature:nth-child(5).visible {
  animation-delay: 0.4s;
}

.feature:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(163, 188, 249, 0.2);
}

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

.feature h3 {
  color: var(--accent-primary);
  margin-bottom: var(--spacing-sm);
}

.feature p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ========================================
   Social Proof Section
   ======================================== */
.social-proof-section {
  background: var(--bg-primary);
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.testimonial {
  background: var(--bg-card);
  padding: var(--spacing-md);
  border-radius: 12px;
  border-left: 4px solid var(--accent-primary);
}

.testimonial-text {
  font-style: italic;
  color: var(--text-secondary);
  font-size: 1.0625rem;
  margin-bottom: var(--spacing-sm);
}

.testimonial-author {
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 0;
}

.trust-indicators {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(163, 188, 249, 0.2);
}

.trust-stat {
  font-size: 1.125rem;
  color: var(--accent-secondary);
  font-weight: 600;
  margin-bottom: 0;
}

/* ========================================
   Personas Section
   ======================================== */
.personas-section {
  background: var(--bg-secondary);
}

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

.persona {
  background: var(--bg-card);
  padding: var(--spacing-md);
  border-radius: 12px;
  transition: transform 0.3s ease;
}

.persona:hover {
  transform: translateY(-5px);
}

.persona h3 {
  color: var(--accent-primary);
  margin-bottom: var(--spacing-sm);
}

.persona-tagline {
  font-style: italic;
  color: var(--accent-secondary);
  font-size: 1.0625rem;
  margin-bottom: var(--spacing-sm);
}

.persona p:last-child {
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing-section {
  background: var(--bg-primary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
  max-width: 900px;
  margin: var(--spacing-lg) auto;
}

.pricing-card {
  background: var(--bg-card);
  padding: var(--spacing-lg);
  border-radius: 16px;
  text-align: center;
  border: 2px solid transparent;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-primary);
  box-shadow: 0 12px 32px rgba(163, 188, 249, 0.2);
}

.pricing-card.featured {
  border-color: var(--accent-primary);
  background: linear-gradient(135deg, rgba(163, 188, 249, 0.1), rgba(119, 150, 203, 0.1));
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-accent);
  color: var(--ultra-violet);
  padding: 0.375rem 1.25rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.plan-name {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.plan-price {
  margin-bottom: var(--spacing-md);
}

.price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.period {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.plan-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.plan-features {
  list-style: none;
  text-align: left;
  margin-bottom: var(--spacing-lg);
}

.plan-features li {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  padding-left: 0.5rem;
}

.pricing-note {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-top: var(--spacing-md);
  margin-bottom: 0;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-section {
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
  margin-top: var(--spacing-lg);
}

.faq-item {
  background: var(--bg-card);
  border-radius: 12px;
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.faq-item:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  transition: color 0.3s ease;
}

.faq-question:hover {
  color: var(--accent-primary);
  transform: none;
  box-shadow: none;
}

.faq-toggle {
  font-size: 1.5rem;
  color: var(--accent-primary);
  font-weight: 300;
  flex-shrink: 0;
  margin-left: var(--spacing-sm);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 var(--spacing-md);
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 var(--spacing-md) var(--spacing-md);
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
}

/* ========================================
   Final CTA Section
   ======================================== */
.final-cta-section {
  background: var(--gradient-primary);
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}

.final-cta-section h2 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.final-cta-section > p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.trial-signup-form {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  max-width: 600px;
  margin: 0 auto var(--spacing-sm);
}

.email-input {
  flex: 1;
  min-width: 280px;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  font-family: var(--font-family);
  border: 2px solid var(--accent-primary);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--ultra-violet);
  transition: all 0.3s ease;
}

.email-input::placeholder {
  color: rgba(87, 100, 144, 0.6);
}

.email-error {
  display: none;
  color: #dc3545;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  text-align: center;
  width: 100%;
  font-weight: 500;
}

.email-input:focus {
  outline: none;
  border-color: var(--accent-secondary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(163, 188, 249, 0.2);
}

.email-input:invalid {
  border-color: var(--accent-primary);
}

.cta-subtext {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--bg-secondary);
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
  border-top: 1px solid rgba(163, 188, 249, 0.1);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-lg);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: var(--spacing-sm);
}

.footer-brand p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

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

.footer-column {
  display: flex;
  flex-direction: column;
}

.footer-column h4 {
  color: var(--accent-primary);
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
}

.footer-column a {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.footer-column a:hover {
  color: var(--accent-primary);
  text-decoration: none;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(163, 188, 249, 0.1);
}

.footer-bottom p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }

  .navbar {
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
  }

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

  .hero-ctas button {
    width: 100%;
    max-width: 300px;
  }

  .trial-signup-form {
    flex-direction: column;
    width: 100%;
  }

  .email-input,
  .trial-signup-form .btn-large {
    width: 100%;
    max-width: 400px;
  }

  .pain-points,
  .features-grid,
  .testimonials,
  .personas-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand {
    align-items: center;
  }

  .footer-links {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .trust-indicators {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  section {
    padding: var(--spacing-md) var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .price {
    font-size: 2.25rem;
  }

  .faq-question {
    font-size: 1rem;
  }
}

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

  html {
    scroll-behavior: auto;
  }
}

/* Focus States for Keyboard Navigation */
button:focus,
a:focus,
.faq-question:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --accent-primary: #b3d1ff;
  }
}