/* Aegis Marketing Site - Main Stylesheet */

/* ============================================
   Design Tokens
   ============================================ */
:root {
  /* Colors - matching Aegis app theme */
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-primary-light: #60a5fa;
  --color-primary-lighter: #93c5fd;

  --color-bg-dark: #0f172a;
  --color-bg-card: #1e293b;
  --color-bg-card-hover: #334155;
  --color-border: #334155;

  --color-text-light: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-text-dark: #64748b;

  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Layout */
  --max-width: 1200px;
  --header-height: 64px;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-light);
  background-color: var(--color-bg-dark);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary);
  color: white;
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

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

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

a:hover {
  color: var(--color-primary-lighter);
}

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-light);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

@media (min-width: 768px) {
  h1 { font-size: var(--font-size-5xl); }
}

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

/* ============================================
   Layout
   ============================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

section {
  padding: var(--spacing-3xl) 0;
}

@media (min-width: 768px) {
  section {
    padding: var(--spacing-4xl) 0;
  }
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-light);
}

.logo:hover {
  color: var(--color-text-light);
}

.logo img,
.logo svg {
  width: 32px;
  height: 32px;
}

.nav {
  display: none;
  align-items: center;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }
}

.nav a {
  color: var(--color-text-muted);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav a:hover {
  color: var(--color-text-light);
}

.nav-github {
  display: flex;
  align-items: center;
}

.nav-github svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
  background: none;
  border: none;
  cursor: pointer;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-light);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-bg-dark);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  flex-direction: column;
  gap: var(--spacing-md);
  z-index: 99;
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
  padding: var(--spacing-sm) 0;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: white;
}

.btn-secondary {
  background: var(--color-bg-card);
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-card-hover);
  color: var(--color-text-light);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* Download Buttons */
.download-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding-top: calc(var(--header-height) + var(--spacing-3xl));
  padding-bottom: var(--spacing-3xl);
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-dark) 0%, #0c1222 100%);
}

@media (min-width: 768px) {
  .hero {
    padding-top: calc(var(--header-height) + var(--spacing-4xl));
    padding-bottom: var(--spacing-4xl);
  }
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: var(--font-size-xl);
  }
}

.hero-cta {
  margin-bottom: var(--spacing-2xl);
}

.hero-image {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
}

.hero-image img {
  width: 100%;
}

/* Placeholder for missing images */
.image-placeholder {
  background: var(--color-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  padding: var(--spacing-3xl);
  aspect-ratio: 16/10;
}

/* ============================================
   Challenges Section
   ============================================ */
.challenges {
  background: linear-gradient(180deg, #0c1222 0%, var(--color-bg-dark) 100%);
}

.challenges-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 640px) {
  .challenges-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .challenges-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.challenge-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.challenge-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.challenge-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary-light);
}

.challenge-icon.warning {
  background: rgba(245, 158, 11, 0.1);
}

.challenge-icon.warning svg {
  color: var(--color-warning);
}

.challenge-icon.danger {
  background: rgba(239, 68, 68, 0.1);
}

.challenge-icon.danger svg {
  color: var(--color-error);
}

.challenge-icon.emotional {
  background: rgba(168, 85, 247, 0.1);
}

.challenge-icon.emotional svg {
  color: #a855f7;
}

.challenge-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.challenge-card p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ============================================
   Trust Indicators
   ============================================ */
.trust-indicators {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

@media (min-width: 768px) {
  .trust-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.trust-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.trust-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary-light);
  margin-bottom: var(--spacing-xs);
}

@media (min-width: 768px) {
  .trust-value {
    font-size: var(--font-size-3xl);
  }
}

.trust-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-2xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
}

.section-header p {
  color: var(--color-text-muted);
  margin-bottom: 0;
}

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

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary-light);
}

.feature-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ============================================
   How It Works Section
   ============================================ */
.how-it-works {
  background: linear-gradient(180deg, var(--color-bg-dark) 0%, #0c1222 100%);
}

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 64px;
  height: 64px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin: 0 auto var(--spacing-md);
}

.step h3 {
  margin-bottom: var(--spacing-sm);
}

.step p {
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* Arrow between steps */
@media (min-width: 768px) {
  .step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 32px;
    right: -30px;
    width: 60px;
    height: 2px;
    background: var(--color-border);
  }
}

/* ============================================
   Platforms Section
   ============================================ */
.platforms {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.platforms-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .platforms-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.platform-group h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
}

.platform-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.platform-tag {
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
  background: var(--color-bg-dark);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
}

.testimonial-text {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

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

.testimonial-avatar {
  width: 48px;
  height: 48px;
  background: var(--color-bg-card-hover);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

.testimonial-info {
  display: flex;
  flex-direction: column;
}

.testimonial-name {
  font-weight: 600;
  color: var(--color-text-light);
}

.testimonial-role {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.testimonials-placeholder {
  text-align: center;
  color: var(--color-text-muted);
  font-style: italic;
  padding: var(--spacing-lg);
}

/* ============================================
   Download CTA Section
   ============================================ */
.download-cta {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #1e40af 100%);
  text-align: center;
}

.download-cta h2 {
  margin-bottom: var(--spacing-md);
}

.download-cta p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-xl);
}

.download-cta .download-buttons {
  margin-bottom: var(--spacing-lg);
}

.download-cta .btn-primary {
  background: white;
  color: var(--color-primary-dark);
}

.download-cta .btn-primary:hover {
  background: var(--color-text-light);
}

.github-link {
  color: rgba(255, 255, 255, 0.8);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.github-link:hover {
  color: white;
}

.github-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--color-text-light);
  font-size: var(--font-size-lg);
  font-weight: 500;
}

.faq-question:hover {
  color: var(--color-primary-light);
}

.faq-question:focus {
  outline: none;
  color: var(--color-primary-light);
}

.faq-icon {
  width: 24px;
  height: 24px;
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding-bottom: var(--spacing-lg);
  color: var(--color-text-muted);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

@media (min-width: 768px) {
  .footer-brand {
    align-items: flex-start;
  }
}

.footer-brand .logo {
  font-size: var(--font-size-lg);
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.footer-links {
  display: flex;
  gap: var(--spacing-xl);
}

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

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

.footer-license {
  color: var(--color-text-dark);
  font-size: var(--font-size-xs);
}

/* ============================================
   Privacy Page Styles
   ============================================ */
.privacy-page {
  padding-top: calc(var(--header-height) + var(--spacing-2xl));
  padding-bottom: var(--spacing-2xl);
}

.privacy-content {
  max-width: 800px;
  margin: 0 auto;
}

.privacy-content h1 {
  margin-bottom: var(--spacing-sm);
}

.privacy-meta {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2xl);
}

.privacy-content h2 {
  font-size: var(--font-size-xl);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.privacy-content h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.privacy-content h3 {
  font-size: var(--font-size-lg);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.privacy-content p {
  color: var(--color-text-muted);
}

.privacy-content ul {
  color: var(--color-text-muted);
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.privacy-content li {
  margin-bottom: var(--spacing-sm);
}

.privacy-content strong {
  color: var(--color-text-light);
}

.privacy-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
}

.privacy-content th,
.privacy-content td {
  padding: var(--spacing-md);
  text-align: left;
  border: 1px solid var(--color-border);
}

.privacy-content th {
  background: var(--color-bg-card);
  color: var(--color-text-light);
}

.privacy-content td {
  color: var(--color-text-muted);
}

/* ============================================
   Utility Classes
   ============================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.text-muted {
  color: var(--color-text-muted);
}