/* ==========================================================================
   GEOLORIEN - Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-bg-primary: #FAF8F5;
  --color-bg-secondary: #FFFFFF;
  --color-text-primary: #2D2D2D;
  --color-text-secondary: #6B6B6B;
  --color-accent: #3D3D3D;
  --color-accent-hover: #1A1A1A;
  --color-border: #E5E5E5;
  --color-success: #059669;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --line-height-base: 1.6;
  --line-height-heading: 1.2;

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

  /* Layout */
  --max-width: 1200px;
  --max-width-content: 800px;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

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

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

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-heading);
}

h1 {
  font-size: var(--font-size-3xl);
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-xl);
}

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

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

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

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

/* --------------------------------------------------------------------------
   5. Components
   -------------------------------------------------------------------------- */

/* 5.1 Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-bg-primary);
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
}

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

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

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: var(--space-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: var(--transition-fast);
}

.nav-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg-secondary);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  flex-direction: column;
  gap: var(--space-md);
}

.nav-menu.is-open {
  display: flex;
}

.nav-link {
  font-weight: var(--font-weight-medium);
  padding: var(--space-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    display: flex;
    position: static;
    flex-direction: row;
    background: none;
    padding: 0;
    box-shadow: none;
    gap: var(--space-xl);
  }

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

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

/* 5.2 Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-md);
  border: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg-secondary);
}

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

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

.btn-secondary:hover {
  border-color: var(--color-accent);
}

/* 5.3 Cards */
.card {
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

/* 5.4 Forms */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-family: inherit;
  font-size: var(--font-size-base);
  background: var(--color-bg-secondary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(61, 61, 61, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

/* 5.5 Footer */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) 0;
  margin-top: var(--space-3xl);
}

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

.footer-logo img {
  height: 32px;
  width: auto;
}

.footer-nav {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  justify-content: center;
}

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

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

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

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

/* --------------------------------------------------------------------------
   6. Page-Specific Styles
   -------------------------------------------------------------------------- */

/* 6.1 Home - Hero */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-4xl) var(--space-lg);
  margin-top: 60px;
}

.hero-content {
  max-width: 600px;
}

.hero-logo {
  width: 150px;
  height: auto;
  margin: 0 auto var(--space-xl);
}

.hero-title {
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xl);
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* 6.1 Home - Features */
.features {
  background: var(--color-bg-secondary);
}

.features-grid {
  display: grid;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

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

.feature-card {
  text-align: center;
  padding: var(--space-xl);
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  color: var(--color-accent);
}

.feature-card h3 {
  margin-bottom: var(--space-sm);
}

/* 6.1 Home - Apps Preview */
.apps-preview {
  padding: var(--space-3xl) 0;
}

.apps-preview-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.apps-preview-header h2 {
  margin-bottom: var(--space-sm);
}

.apps-grid {
  display: grid;
  gap: var(--space-xl);
}

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

.app-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.app-card-image {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  background: var(--color-border);
  aspect-ratio: 2/1;
}

.app-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-card h3 {
  margin-bottom: var(--space-xs);
}

.app-card-link {
  color: var(--color-accent);
  font-weight: var(--font-weight-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.app-card-link:hover {
  text-decoration: underline;
}

/* 6.2 Apps Page */
.page-header {
  text-align: center;
  padding: var(--space-4xl) 0 var(--space-2xl);
  margin-top: 60px;
}

.page-header h1 {
  margin-bottom: var(--space-md);
}

.page-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: var(--font-size-lg);
}

.app-showcase {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.app-showcase:last-of-type {
  border-bottom: none;
}

.app-showcase-content {
  display: grid;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .app-showcase-content {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .app-showcase-content > * {
    min-width: 0;
  }
}

.app-showcase-info h2 {
  margin-bottom: var(--space-md);
}

.app-showcase-info p {
  margin-bottom: var(--space-lg);
}

.app-platforms {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.platform-badge {
  font-size: var(--font-size-sm);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-primary);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-secondary);
}

.app-features-list {
  margin-bottom: var(--space-xl);
}

.app-features-list li {
  padding: var(--space-sm) 0;
  padding-left: var(--space-lg);
  position: relative;
  color: var(--color-text-secondary);
}

.app-features-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
}

.app-store-links {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.store-badge {
  height: 40px;
  width: auto;
}

.app-showcase-visual {
  display: flex;
  justify-content: center;
  min-width: 0;
  overflow: hidden;
}

@media (min-width: 768px) {
  .app-showcase-visual {
    margin-top: 5.5rem;
  }
}

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

/* Screenshot Gallery */
.screenshot-gallery {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-md);
  width: 100%;
  max-width: 100%;
}

.screenshot-gallery .app-screenshot {
  flex-shrink: 0;
  scroll-snap-align: start;
  max-height: 400px;
  width: auto;
}

.screenshot-gallery::-webkit-scrollbar {
  height: 6px;
}

.screenshot-gallery::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

/* 6.3 About Page */
.about-content {
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.about-section {
  margin-bottom: var(--space-3xl);
}

.about-section h2 {
  margin-bottom: var(--space-lg);
}

.about-section p {
  margin-bottom: var(--space-md);
}

.cta-banner {
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  text-align: center;
}

.cta-banner h2 {
  margin-bottom: var(--space-md);
}

.cta-banner p {
  margin-bottom: var(--space-xl);
}

/* 6.4 Contact Page */
.contact-content {
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.contact-form {
  background: var(--color-bg-secondary);
  padding: var(--space-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.success-message {
  text-align: center;
  padding: var(--space-2xl);
}

.success-message svg {
  color: var(--color-success);
  margin-bottom: var(--space-lg);
}

.success-message h3 {
  margin-bottom: var(--space-md);
  color: var(--color-success);
}

.contact-alt {
  margin-top: var(--space-2xl);
  text-align: center;
}

.contact-alt h3 {
  margin-bottom: var(--space-md);
}

.contact-email {
  font-size: var(--font-size-lg);
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   7. Animations
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

.animate-fade-in {
  animation: fadeIn 0.6s ease-out both;
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out both;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* Scroll animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   8. Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}