/**
 * Component Styles
 * Reusable UI components: navigation, buttons, cards, forms, theme toggle
 */

/* ============================================
   Navigation
   ============================================ */

nav {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.nav-container {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 40px;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-container:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}

.logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  position: relative;
  padding: 6px 0;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

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

/* Theme Toggle Button */
.theme-toggle {
  width: 36px;
  height: 36px;
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  color: white;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.theme-toggle:hover {
  transform: rotate(180deg) scale(1.1);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 400px;
  height: 400px;
}

.btn span {
  position: relative;
  z-index: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 4px 14px rgba(0, 97, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 97, 255, 0.6);
}

.btn-primary:active {
  transform: translateY(-2px) scale(1.02);
}

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

.btn-secondary:hover {
  background: var(--bg-tertiary);
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-lg);
}

.show-more-btn {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
  font-family: 'Inter', sans-serif;
}

.show-more-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.show-more-btn:active {
  transform: translateY(0);
}

/* ============================================
   Forms
   ============================================ */

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 0.9rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
}

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

.form-btn {
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 14px rgba(0, 97, 255, 0.4);
}

.form-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 97, 255, 0.5);
}

.form-btn:active {
  transform: translateY(0);
}

/* ============================================
   Footer
   ============================================ */

footer {
  padding: 60px 40px 40px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-section h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-section p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-light);
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-4px) rotate(5deg);
  box-shadow: var(--shadow-lg);
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

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

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

.footer-links a {
  color: var(--text-light);
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--primary);
  transform: translateX(5px);
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-lighter);
  font-size: 0.9rem;
}

/* ============================================
   Responsive Navigation
   ============================================ */

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

  .nav-container {
    gap: 20px;
  }
}

@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}