* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-image: url('/static/images/background.jpg');
  background-size: cover;
  background-attachment: fixed;
  background-position: center;
  min-height: 100vh;
  padding-top: 80px;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.btn-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 20px 0;
}

.blue-button {
  padding: 12px 24px;
  background-color: #2563eb;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  transition: background-color 0.2s ease;
}

.blue-button:hover {
  background-color: #1d4ed8;
}

.blue-button:active {
  background-color: #1e40af;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.navbar-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo {
  height: 40px;
  border-radius: 8px;
}

.navbar-text {
  font-size: 1.2rem;
  font-weight: bold;
}

.menu-toggle {
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.hero {
  text-align: center;
  padding: 5rem 0;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(90deg, #ff0000, #ffff00, #00ff00, #00ffff, #0000ff, #ff00ff, #ff0000);
  background-size: 400% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: rgbShift 15s linear infinite;
}

@keyframes rgbShift {
  0% { background-position: 0% 50%; }
  100% { background-position: 400% 50%; }
}

.hero-desc {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  max-width: 600px;
  margin: 0 auto;
}

.features {
  padding: 3rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-img {
  height: 200px;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  position: relative; 
  overflow: hidden;
}

.feature-img img {
  position: absolute; 
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%); 
  max-width: 100%;
  max-height: 100%;
}

.glass {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.testimonials {
  padding: 3rem 0;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
}

.carousel-container {
  position: relative;
  overflow: hidden;
}

.carousel {
  display: flex;
  transition: transform 0.5s ease-in-out;
  gap: 1rem;
  padding: 1rem 0;
}

.testimonial-card {
  min-width: 100%;
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
}

@media (min-width: 768px) {
  .testimonial-card {
    min-width: calc(50% - 0.5rem);
  }
}

@media (min-width: 1024px) {
  .testimonial-card {
    min-width: calc(25% - 0.75rem);
  }
}

.user-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #eee;
  margin: 0 auto 1rem;
  display: block;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.8);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
}

.prev-btn {
  left: 10px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.next-btn {
  right: 10px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.faq {
  padding: 3rem 0;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-card {
  border-radius: 1rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  text-align: left;
  font-weight: 600;
  cursor: pointer;
}

.faq-question i {
  transition: transform 0.3s ease;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 1rem;
}

.faq-answer p {
  padding: 1rem 0;
}

.faq-blue {
  background: rgba(59, 130, 246, 0.1);
}

.faq-green {
  background: rgba(16, 185, 129, 0.1);
}

.faq-yellow {
  background: rgba(245, 158, 11, 0.1);
}

.faq-purple {
  background: rgba(139, 92, 246, 0.1);
}

.footer {
  text-align: center;
  padding: 2rem 0;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
}