/* =========================================
   BASE STYLES + THEME
========================================= */
:root {
  --accent: #0078ff;
  --bg-light: #f9fafc;
  --bg-white: #ffffff;
  --text-dark: #1b1b1b;
  --fade: rgba(0, 0, 0, 0.08);
}

body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-light);
  color: var(--text-dark);
  scroll-behavior: smooth;
}

/* =========================================
   HEADER / HERO
========================================= */
.hero {
  background: linear-gradient(135deg, #111 0%, #1f1f1f 40%, #0078ff 120%);
  color: white;
  padding: 60px 20px;
  text-align: center;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
}

.hero-content h1 {
  margin: 0;
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  animation: fadeSlide 0.8s ease-out forwards;
}

.gradient-text {
  background: linear-gradient(90deg, #00d0ff, #0078ff, #00ffa1);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-content p {
  margin-top: 10px;
  font-size: 1.05rem;
  opacity: 0.85;
}

/* =========================================
   CONTROLS
========================================= */
.controls {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 25px auto 20px;
}

#categorySelect, #langToggle {
  padding: 10px 14px;
  font-size: 0.95rem;
  border-radius: 8px;
  border: 1px solid #ccc;
  background: var(--bg-white);
  cursor: pointer;
  transition: all 0.25s ease;
}

#categorySelect:hover, #langToggle:hover {
  background: #eef4ff;
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(0, 120, 255, 0.2);
}

/* =========================================
   SECTION HEADERS
========================================= */
.sectionTitle {
  font-weight: 600;
  font-size: 1.15rem;
  margin: 25px auto 10px;
  text-align: center;
  color: #111;
}
.sectionTitle span {
  font-size: 1.3rem;
}

/* =========================================
   QUESTIONS GRID + CARD STYLE
========================================= */
.question-grid {
  max-width: 900px;
  margin: auto;
  display: grid;
  gap: 16px;
  padding: 0 15px 40px;
}

.questionCard {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-white);
  border-radius: 14px;
  padding: 20px;
  border: 1px solid #e5e5e5;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  transform: translateY(15px);
  opacity: 0;
  animation: fadeSlide 0.5s ease-out forwards;
  transition: all 0.25s ease;
}

.questionCard:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.12);
}

.questionCard h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: #111;
}

.questionCard p {
  color: #555;
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 10px;
}

.readMore {
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
  font-size: 0.9rem;
}

.readMore:hover {
  text-decoration: underline;
}

/* =========================================
   LOAD MORE BUTTON
========================================= */
#loadMoreBtn {
  display: none;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px 24px;
  font-size: 1rem;
  cursor: pointer;
  margin: 15px auto 40px;
  display: block;
  transition: 0.25s ease;
}
#loadMoreBtn:hover {
  background: #005ecf;
  transform: translateY(-2px);
}

/* =========================================
   FOOTER
========================================= */
footer {
  background: #111;
  color: #ddd;
  text-align: center;
  padding: 18px;
  font-size: 0.9rem;
}

/* =========================================
   ANIMATIONS
========================================= */
@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in {
  opacity: 0;
  transform: translateY(10px);
  animation: fadeSlide 0.6s forwards;
}

/* =========================================
   RESPONSIVE DESIGN
========================================= */
@media (max-width: 600px) {
  .hero { padding: 40px 15px; }
  .hero-content h1 { font-size: 1.6rem; }
  .questionCard { padding: 16px; }
}