/* ============================================
   Love Tales AI - Romantic Stars Theme
   ============================================ */

/* CSS Variables */
:root {
  --color-primary: #FF6F7D;
  --color-secondary: #F6E6D3;
  --color-accent: #5A1A2C;
  --color-background: #FFF7F3;
  --color-text: #5A1A2C;
  --color-text-light: #8B6B7A;
  --color-border: #E8D5CC;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --shadow-sm: 0 2px 8px rgba(90, 26, 44, 0.08);
  --shadow-md: 0 4px 16px rgba(90, 26, 44, 0.12);
  --shadow-lg: 0 8px 32px rgba(90, 26, 44, 0.16);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition: all 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-secondary) 100%);
  min-height: 100vh;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* Canvas Background - Sakura Scene */
#starry-sky {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

/* Ensure content is readable over the canvas */
.site-main {
  position: relative;
  z-index: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-accent);
  line-height: 1.3;
}

h1 { font-size: 3rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  color: var(--color-text);
}

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

a:hover {
  color: var(--color-accent);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: #FF5A6A;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: white;
}

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

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

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 247, 243, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(232, 213, 204, 0.5);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.logo-emoji {
  font-size: 1.75rem;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-accent);
}

.main-nav {
  display: flex;
  gap: 32px;
}

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switcher select {
  appearance: none;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 32px 8px 12px;
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
}

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

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease-out;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary) 0%, #FF8E9E 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: 40px;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* Tools Section */
.tools-section {
  padding: 100px 24px;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
  font-size: 2.5rem;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.tool-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  text-decoration: none;
}

.tool-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.tool-emoji {
  font-size: 4rem;
  margin-bottom: 20px;
  transition: var(--transition);
}

.tool-card:hover .tool-emoji {
  transform: scale(1.1);
}

.tool-card h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--color-accent);
}

.tool-card p {
  color: var(--color-text-light);
  margin: 0;
}

/* CTA Section */
.cta-section {
  padding: 100px 24px;
  text-align: center;
  background: linear-gradient(135deg, var(--color-accent) 0%, #7A2A3C 100%);
  color: white;
}

.cta-section h2 {
  color: white;
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: 40px;
}

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

.cta-section .btn-primary:hover {
  background: var(--color-secondary);
}

/* Footer */
.site-footer {
  background: var(--color-accent);
  color: white;
  padding: 60px 24px 30px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.footer-logo .logo-text {
  color: white;
}

.footer-desc {
  color: rgba(255, 255, 255, 0.8);
}

.footer-links h4 {
  color: white;
  margin-bottom: 20px;
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

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

/* Responsive */
@media (max-width: 768px) {
  .main-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}