/* Layout CSS - Shared Layout and Component Styles */

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--header-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--color-text);
  text-decoration: none;
}

.header-logo img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  position: fixed;
  top: 0;
  right: max(var(--spacing-lg), calc((100vw - 1200px) / 2 + var(--spacing-lg)));
  height: 64px;
  z-index: var(--z-header);
}

.header-nav a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

/* Mobile Menu Button */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  color: var(--color-text);
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .header-nav {
    display: flex;
    position: fixed;
    top: 64px;
    left: 100%;
    right: auto;
    width: 100%;
    height: auto;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: var(--spacing-xl);
    gap: var(--spacing-lg);
    transition: left var(--transition-base);
    z-index: var(--z-header);
    border-bottom: 1px solid var(--header-border);
  }

  .header-nav.active {
    left: 0;
  }

  .header-nav a {
    font-size: var(--font-size-lg);
  }
}

@media (max-width: 768px) and (prefers-color-scheme: dark) {
  .header-nav {
    background: rgba(13, 13, 13, 0.85);
  }
}

/* Main Content */
main {
  padding-top: 64px;
}

/* Hero Section */
.hero {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  padding: var(--spacing-4xl) 0;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.hero-text {
  max-width: 560px;
}

.hero-icon {
  width: 80px;
  height: 80px;
  border-radius: 18px;
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.5;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-screenshot {
  max-width: 300px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    max-width: 100%;
    order: 1;
  }

  .hero-icon {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-image {
    order: 2;
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
}

/* App Store Badge */
.app-store-badge {
  height: 54px;
  margin: 0 auto;
  transition: opacity var(--transition-fast);
}

.app-store-badge:hover {
  opacity: 0.85;
}

/* Sections */
.section {
  padding: var(--spacing-4xl) 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

@media (max-width: 968px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* Feature Card */
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  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;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* Screenshots Section */
.screenshots-grid {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.screenshots-grid picture {
  flex: 0 1 auto;
  max-width: 280px;
  cursor: pointer;
}

.screenshot {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base);
}

.screenshot:hover {
  transform: scale(1.02);
}

@media (max-width: 968px) {
  .screenshots-grid picture {
    max-width: 240px;
  }
}

@media (max-width: 480px) {
  .screenshots-grid {
    flex-direction: column;
    align-items: center;
  }

  .screenshots-grid picture {
    max-width: 280px;
  }
}

/* Screenshot Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  cursor: pointer;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.lightbox.active img {
  transform: scale(1);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  line-height: 1;
}

.lightbox-close {
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  font-size: 24px;
  padding-bottom: 5px;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  font-size: 28px;
  font-weight: 300;
  padding-bottom: 6px;
}

.lightbox-prev {
  left: var(--spacing-lg);
  padding-right: 3px;
}

.lightbox-next {
  right: var(--spacing-lg);
  padding-left: 3px;
}

@media (max-width: 480px) {
  .lightbox-prev,
  .lightbox-next {
    top: auto;
    bottom: var(--spacing-xl);
    transform: none;
  }

  .lightbox-prev {
    left: calc(50% - 60px);
  }

  .lightbox-next {
    right: calc(50% - 60px);
  }
}

/* CTA Section */
.cta-section {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-4xl) var(--spacing-xl);
  text-align: center;
}

.cta-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.cta-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
}

/* Footer */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-3xl) 0;
  margin-top: var(--spacing-4xl);
}

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

.footer-links {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline; 
}

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

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

.footer-logo {
  height: 1.2em;
  width: auto;
  opacity: 0.75;
  transition: opacity var(--transition-fast);
}

.footer-logo:hover {
  opacity: 1;
}

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

/* Legal Pages */
.legal-page {
  padding: var(--spacing-4xl) 0;
}

.legal-content {
  max-width: 720px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-xl);
}

.legal-content h2 {
  font-size: var(--font-size-2xl);
  margin-top: var(--spacing-3xl);
  margin-bottom: var(--spacing-md);
}

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

.legal-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.legal-content ul, .legal-content ol {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

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

.legal-content a {
  color: var(--color-primary);
}

.legal-updated {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xl);
}

/* Support Page */
.support-page {
  padding: var(--spacing-4xl) 0;
}

.support-content {
  max-width: 720px;
  margin: 0 auto;
}

.support-content h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.support-intro {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-3xl);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
}

.faq-question {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.faq-answer {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.contact-section {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
  text-align: center;
}

.contact-section h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

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

.contact-email {
  color: var(--color-primary);
  font-weight: 500;
}

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

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

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

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

.btn-secondary:hover {
  background: var(--color-bg-tertiary);
}

/* Back Link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xl);
}

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

.back-link svg {
  width: 16px;
  height: 16px;
}