html, body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  font-family: 'Roboto', sans-serif;
  scroll-behavior: smooth;
  background-color: #fff;
  color: #222;
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body.dark-mode {
  background-color: #121212;
  color: #ddd;
}

.hero-split {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem;
  min-height: 100vh;
  background: linear-gradient(to right, #f8f9fa, #ffffff);
  gap: 4rem;
  flex-wrap: wrap;
}

.hero-text {
  flex: 1 1 450px;
  max-width: 600px;
  animation: slideFade 1s ease-in-out forwards;
}

.hero-text h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: #d7001f;
  font-weight: 800;
  margin-bottom: 1rem;
}

.hero-text p {
  font-size: 1.25rem;
  color: #444;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-image {
  flex: 1 1 400px;
  text-align: center;
  animation: floatIn 1.2s ease-in-out forwards;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

body.dark-mode .hero-split {
  background: linear-gradient(to right, #1a1a1a, #111);
}

body.dark-mode .hero-text h1 {
  color: #ff4a5a;
}

body.dark-mode .hero-text p {
  color: #ccc;
}

body.dark-mode .hero-image img {
  box-shadow: 0 10px 30px rgba(255, 74, 90, 0.25);
}

section {
  padding: 5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 900;
  color: #d7001f;
  margin-bottom: 2rem;
  border-bottom: 4px solid #d7001f;
  display: inline-block;
  padding-bottom: 0.25rem;
  user-select: none;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.dark-mode .section-title {
  color: #ff4a5a;
  border-color: #ff4a5a;
}

.grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
}

.card {
  background: #fff;
  border-radius: 20px;
  padding: 2rem;
  width: 300px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.07);
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  user-select: none;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 50px rgba(215, 0, 31, 0.3);
}

.card h4 {
  font-size: 1.6rem;
  color: #d7001f;
  font-weight: 900;
  margin-bottom: 1rem;
}

.card p {
  font-size: 1.1rem;
  color: #444;
  line-height: 1.6;
}

body.dark-mode .card {
  background: #222;
  box-shadow: 0 10px 30px rgba(255, 74, 90, 0.2);
  color: #eee;
}

body.dark-mode .card h4 {
  color: #ff4a5a;
}

body.dark-mode .card p {
  color: #ccc;
}

.cta-button {
  background-color: #d7001f;
  color: white;
  font-weight: 800;
  font-size: 1.2rem;
  padding: 0.85rem 2.5rem;
  border: none;
  border-radius: 50px;
  box-shadow: 0 8px 20px rgba(215, 0, 31, 0.85);
  cursor: pointer;
  transition: background-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
}

.cta-button:hover {
  background-color: #b5001a;
  box-shadow: 0 10px 25px rgba(181, 0, 26, 0.95);
  transform: scale(1.05);
}

.faq-section {
  background: #fefefe;
  padding: 5rem 2rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.06);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 800;
  font-size: 1.4rem;
  padding: 1.5rem 2rem;
  color: #d7001f;
  position: relative;
  list-style: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 2rem;
  font-size: 2rem;
  color: #666;
  transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
  content: "–";
  color: #d7001f;
}

.faq-item p {
  padding: 0 2rem 2rem;
  font-size: 1.1rem;
  line-height: 1.65;
  color: #333;
}

body.dark-mode .faq-section {
  background: #121212;
}

body.dark-mode .faq-item {
  background: #1a1a1a;
  box-shadow: 0 10px 30px rgba(255, 74, 90, 0.1);
}

body.dark-mode .faq-item summary {
  color: #ff4a5a;
}

body.dark-mode .faq-item summary::after {
  color: #aaa;
}

body.dark-mode .faq-item[open] summary::after {
  color: #ff4a5a;
}

body.dark-mode .faq-item p {
  color: #ccc;
}

#darkModeBtn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background-color: #d7001f;
  border: none;
  color: white;
  font-weight: 900;
  padding: 0.75rem 1.75rem;
  border-radius: 40px;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(215,0,31,0.85);
  z-index: 9999;
  transition: background-color 0.3s ease, box-shadow 0.3s ease, transform 0.15s ease;
}

#darkModeBtn:hover,
#darkModeBtn:focus {
  background-color: #b5001a;
  outline: none;
  box-shadow: 0 10px 30px rgba(181,0,26,0.95);
  transform: scale(1.05);
}

.foot {
  background-color: #222;
  color: #eee;
  text-align: center;
  padding: 2.5rem 1rem;
  font-size: 1rem;
  user-select: none;
}

.foot a {
  color: #d7001f;
  text-decoration: none;
  font-weight: 700;
  transition: color 0.3s ease;
}

.foot a:hover,
.foot a:focus {
  text-decoration: underline;
  outline: none;
  color: #ff4a5a;
}

/* .custom-arrow {
  background-color: red;
  border: none;
} */

.custom-arrow .carousel-control-prev-icon,
.custom-arrow .carousel-control-next-icon {
  background-color: red;
  opacity: 50%;
}

@keyframes slideFade {
  0% { transform: translateX(-30px); opacity: 0; }
  100% { transform: translateX(0); opacity: 1; }
}

@keyframes floatIn {
  0% { transform: translateY(30px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

@media (max-width: 768px) {
  .hero-split {
    flex-direction: column;
    text-align: center;
    padding: 3rem 1.5rem;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .grid {
    display: block;
  }

  .card {
    width: 90%;
    margin: 1rem auto;
  }

  .faq-list {
    padding: 0 1rem;
  }
}