/* ============================================
   AIVO Support Page Styles
   Modern, Clean, Responsive Design
   ============================================ */

:root {
  --color-bg: #0a0a0f;
  --color-surface: #14141f;
  --color-primary: #6366f1;
  --color-primary-glow: rgba(99, 102, 241, 0.3);
  --color-accent: #8b5cf6;
  --color-text: #e4e4e7;
  --color-text-muted: #71717a;
  --color-border: #27272a;
  --font-main: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
}

/* Background Gradient Effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60vh;
  background: radial-gradient(ellipse at 50% 0%, var(--color-primary-glow) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lang-switch {
  display: flex;
  gap: 8px;
}

.lang-switch a {
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.lang-switch a:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

.lang-switch a.active {
  color: var(--color-primary);
  background: rgba(99, 102, 241, 0.1);
}

/* Main Content */
main {
  padding: 48px 0;
}

section {
  margin-bottom: 56px;
}

.hero {
  text-align: center;
  padding: 48px 0;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--color-text), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text);
}

p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

/* Contact Section */
.email-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: white;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px var(--color-primary-glow);
}

.email-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--color-primary-glow);
}

/* FAQ Section */
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
  transition: all 0.2s ease;
}

.faq-item:hover {
  border-color: var(--color-primary);
}

.faq-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.faq-item p {
  margin-bottom: 0;
  font-size: 0.9375rem;
}

/* Links Section */
.link-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.link-group a {
  color: var(--color-primary);
  text-decoration: none;
  padding: 12px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

.link-group a:hover {
  background: var(--color-surface);
  border-color: var(--color-primary);
}

/* Footer */
footer {
  text-align: center;
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

footer p {
  margin-bottom: 4px;
}

/* Responsive Design */
@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }
  
  .hero h1 {
    font-size: 1.875rem;
  }
  
  header {
    flex-direction: column;
    gap: 16px;
  }
  
  .lang-switch {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .link-group {
    flex-direction: column;
  }
  
  .link-group a {
    text-align: center;
  }
}

/* Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

section {
  animation: fadeIn 0.6s ease-out forwards;
  opacity: 0;
}

section:nth-child(1) { animation-delay: 0.1s; }
section:nth-child(2) { animation-delay: 0.2s; }
section:nth-child(3) { animation-delay: 0.3s; }
section:nth-child(4) { animation-delay: 0.4s; }
section:nth-child(5) { animation-delay: 0.5s; }