/* Tablonaute Website Styles */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --accent: #f59e0b;
  --bg-dark: #1e1b4b;
  --bg-darker: #0f0a1e;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --card-bg: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', Oxygen, Ubuntu, sans-serif;
  background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 50%, #1a1447 100%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  background: rgba(15, 10, 30, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--card-border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text);
}

.logo img {
  width: 40px;
  height: 40px;
}

.logo span {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
}

#language-selector {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  background: #1e1b4b;
  border: 1px solid var(--card-border);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', Oxygen, Ubuntu, sans-serif;
}

#language-selector option {
  background: #1e1b4b;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', Oxygen, Ubuntu, sans-serif;
}

#language-selector:focus {
  outline: 2px solid var(--primary);
}

/* Main Content */
main {
  padding-top: 80px;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 4rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.hero-mascot {
  width: 180px;
  height: 180px;
  margin-bottom: 1.5rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .tagline {
  font-size: 1.5rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero .description {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* Download Buttons */
.download-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Sections */
section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

section h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2.5rem;
  color: var(--accent);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Modes Grid */
.modes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.mode-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.mode-icon {
  font-size: 1.75rem;
  flex-shrink: 0;
}

.mode-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.mode-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Info Sections */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.info-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
}

.info-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

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

/* Footer */
footer {
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid var(--card-border);
  padding: 2rem;
  text-align: center;
}

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

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-publisher {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.footer-contact {
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

/* Privacy & Support Pages */
.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

.page-content h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.page-content .updated {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.page-content h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text);
  text-align: left;
}

.page-content p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.page-content ul {
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.page-content li {
  margin-bottom: 0.5rem;
}

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

/* FAQ */
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.faq-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

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

/* Contact Box */
.contact-box {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  margin-bottom: 2rem;
}

.contact-box h2 {
  margin-bottom: 1rem;
}

.contact-email {
  font-size: 1.25rem;
  color: var(--primary);
  text-decoration: none;
}

.contact-email:hover {
  text-decoration: underline;
}

/* RTL Support */
html[dir="rtl"] .mode-card {
  flex-direction: row-reverse;
}

html[dir="rtl"] .page-content ul {
  padding-left: 0;
  padding-right: 1.5rem;
}

html[dir="rtl"] .page-content h2 {
  text-align: right;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero .tagline {
    font-size: 1.25rem;
  }

  .hero-mascot {
    width: 140px;
    height: 140px;
  }

  section {
    padding: 3rem 1.5rem;
  }

  .header-content {
    padding: 0;
  }

  .logo span {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .download-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}