/* ============================================
   HASINDER - 404 SAYFASI (404.css)
   Branded, arama destekli, popüler kurullar
   ============================================ */

.error-page {
  min-height: calc(100vh - var(--header-height) - 200px);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-12) var(--container-padding);
  background: var(--gray-50);
  position: relative;
  overflow: hidden;
}
.error-page::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(212,175,55,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.error-page::after {
  content: '';
  position: absolute;
  bottom: -200px; left: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(27,54,93,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.error-container {
  max-width: 800px;
  width: 100%;
  text-align: center;
  position: relative;
  z-index: 1;
}

.error-visual {
  position: relative;
  margin-bottom: var(--space-8);
  display: inline-block;
}
.error-code {
  font-size: clamp(120px, 20vw, 220px);
  font-weight: 900;
  line-height: 1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -5px;
  filter: drop-shadow(0 4px 20px rgba(27,54,93,0.2));
}
.error-icon {
  position: absolute;
  top: 20%; left: 50%;
  transform: translateX(-50%);
  width: 100px; height: 100px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-dark);
  font-size: 48px;
  box-shadow: var(--shadow-gold);
  animation: errorBounce 2s ease-in-out infinite;
}
@keyframes errorBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-15px); }
}

.error-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--space-3);
  line-height: 1.2;
}
.error-description {
  font-size: var(--text-lg);
  color: var(--gray-600);
  margin-bottom: var(--space-8);
  max-width: 540px;
  margin-left: auto; margin-right: auto;
  line-height: var(--leading-relaxed);
}

/* === SEARCH === */
.error-search {
  max-width: 480px;
  margin: 0 auto var(--space-10);
  position: relative;
}
.error-search input {
  width: 100%;
  padding: var(--space-4) var(--space-4) var(--space-4) var(--space-12);
  background: white;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  outline: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow);
}
.error-search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(212,175,55,0.15);
}
.error-search button {
  position: absolute;
  left: 6px; top: 50%;
  transform: translateY(-50%);
  width: 40px; height: 40px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition-fast);
}
.error-search button:hover { transform: translateY(-50%) scale(1.1); }
.error-search-icon {
  position: absolute; left: 18px; top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
  display: none; /* buton üstüne alındı */
}

/* === ACTIONS === */
.error-actions {
  display: flex; gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}
.error-btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-weight: 600; font-size: var(--text-base);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all var(--transition-base);
}
.error-btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-lg);
}
.error-btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-xl); }
.error-btn-secondary {
  background: white;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.error-btn-secondary:hover { background: var(--primary); color: white; transform: translateY(-2px); }

/* === POPULAR KURULLAR === */
.error-suggestions {
  background: white;
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  text-align: left;
  max-width: 600px;
  margin: 0 auto;
}
.error-suggestions-title {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--gray-200);
}
.error-suggestions-title i { color: var(--accent); }
.suggestion-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  list-style: none; padding: 0;
}
.suggestion-item a {
  display: flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3);
  color: var(--gray-700);
  text-decoration: none;
  border-radius: var(--radius);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}
.suggestion-item a:hover {
  background: var(--primary-50);
  color: var(--primary);
  transform: translateX(4px);
}
.suggestion-item i { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }

@media (max-width: 640px) {
  .suggestion-list { grid-template-columns: 1fr; }
  .error-actions { flex-direction: column; }
  .error-btn { width: 100%; justify-content: center; }
}