:root {
   --primary-color: #4a6fa5;
   --secondary-color: #166088;
   --accent-color: #4fc3f7;
   --text-color: #333;
   --light-bg: #f8f9fa;
   --dark-bg: #343a40;
   --transition: all 0.3s ease;
 }

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

 body {
   color: var(--text-color);
   line-height: 1.6;
   overflow-x: hidden;
 }

 /* Header styles */
 header {
   background-color: white;
   box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
   position: fixed;
   width: 100%;
   top: 0;
   z-index: 1000;
   padding: 1rem 2rem;
 }

 .header-container {
   display: flex;
   justify-content: space-between;
   align-items: center;
   max-width: 1200px;
   margin: 0 auto;
 }

 .logo {
   font-size: 1.8rem;
   font-weight: 700;
   color: var(--primary-color);
   text-decoration: none;
 }

 .logo span {
   color: var(--secondary-color);
 }

 nav ul {
   display: flex;
   list-style: none;
 }

 nav ul li {
   margin-left: 2rem;
 }

 nav ul li a {
   text-decoration: none;
   color: var(--text-color);
   font-weight: 500;
   transition: var(--transition);
   position: relative;
 }

 nav ul li a:hover {
   color: var(--primary-color);
 }

 nav ul li a::after {
   content: '';
   position: absolute;
   width: 0;
   height: 2px;
   background: var(--primary-color);
   bottom: -5px;
   left: 0;
   transition: var(--transition);
 }

 nav ul li a:hover::after {
   width: 100%;
 }

 .burger {
   display: none;
   cursor: pointer;
 }

 .burger div {
   width: 25px;
   height: 3px;
   background-color: var(--text-color);
   margin: 5px;
   transition: var(--transition);
 }

 /* Hero section */
 .hero {
   height: 100vh;
   background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1450101499163-c8848c66ca85?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
   color: white;
   display: flex;
   align-items: center;
   padding: 0 2rem;
   margin-top: 80px;
 }

 .hero-content {
   max-width: 1200px;
   margin: 0 auto;
   animation: fadeIn 1.5s ease;
 }

 @keyframes fadeIn {
   from {
     opacity: 0;
     transform: translateY(20px);
   }

   to {
     opacity: 1;
     transform: translateY(0);
   }
 }

 .hero h1 {
   font-size: 3.5rem;
   margin-bottom: 1rem;
   line-height: 1.2;
 }

 .hero p {
   font-size: 1.2rem;
   max-width: 700px;
   margin-bottom: 2rem;
 }

 .btn {
   display: inline-block;
   background: var(--primary-color);
   color: white;
   padding: 0.8rem 1.8rem;
   border: none;
   border-radius: 50px;
   text-decoration: none;
   font-weight: 600;
   transition: var(--transition);
   cursor: pointer;
 }

 .btn:hover {
   background: var(--secondary-color);
   transform: translateY(-3px);
   box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
 }

 /* Main content */
 .container {
   max-width: 1200px;
   margin: 0 auto;
   padding: 4rem 2rem;
 }

 section {
   margin-bottom: 1rem;
   padding: 2rem 0;
 }

 h2 {
   font-size: 2.5rem;
   margin-bottom: 2rem;
   color: var(--primary-color);
   position: relative;
   display: inline-block;
 }

 h2::after {
   content: '';
   position: absolute;
   width: 50%;
   height: 4px;
   background: var(--accent-color);
   bottom: -10px;
   left: 0;
   border-radius: 2px;
 }

 h3 {
   font-size: 1.8rem;
   margin: 1.5rem 0;
   color: #4fc3f7;
 }

 p {
   margin-bottom: 1.5rem;
   font-size: 1.1rem;
 }

 /* About section */
 .about-content {
   display: flex;
   align-items: center;
   gap: 3rem;
 }

 .about-text {
   flex: 1;
 }

 .about-image {
   flex: 1;
   border-radius: 10px;
   overflow: hidden;
   box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
   transition: var(--transition);
 }

 .about-image:hover {
   transform: scale(1.02);
 }

 .about-image img {
   width: 100%;
   height: auto;
   display: block;
 }

 /* Risk factors section */
 .factors-grid {
   display: grid;
   grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
   gap: 2rem;
 }

 .factor-card {
   background: white;
   border-radius: 10px;
   padding: 2rem;
   box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
   transition: var(--transition);
 }

 .factor-card:hover {
   transform: translateY(-10px);
   box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
 }

 .factor-card i {
   font-size: 2.5rem;
   color: var(--primary-color);
   margin-bottom: 1rem;
   display: inline-block;
 }

 /* Gallery section */
 .gallery {
   background: var(--light-bg);
   padding: 4rem 0;
 }

 .swiper-container {
   width: 100%;
   height: 400px;
   margin: 3rem 0;
 }

 .swiper-slide {
   display: flex;
   justify-content: center;
   align-items: center;
   background-position: center;
   background-size: cover;
   border-radius: 10px;
   overflow: hidden;
   position: relative;
 }

 .swiper-slide img {
   width: 100%;
   height: 100%;
   object-fit: cover;
 }

 .swiper-slide::after {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
   background: rgba(0, 0, 0, 0.3);
 }

 .swiper-slide-content {
   position: absolute;
   bottom: 20px;
   left: 20px;
   color: white;
   z-index: 10;
   max-width: 80%;
 }

 .swiper-button-next,
 .swiper-button-prev {
   color: white !important;
 }

 /* Testimonials section */
 .testimonials {
   background: var(--dark-bg);
   color: white;
   padding: 4rem 0;
 }

 .testimonials h2 {
   color: white;
 }

 .testimonials h2::after {
   background: var(--accent-color);
 }

 .testimonial-slider {
   margin-top: 3rem;
 }

 .testimonial-card {
   background: rgba(255, 255, 255, 0.1);
   padding: 2rem;
   border-radius: 10px;
   margin: 1rem;
 }

 .testimonial-author {
   display: flex;
   align-items: center;
   margin-top: 1.5rem;
 }

 .testimonial-author img {
   width: 60px;
   height: 60px;
   border-radius: 50%;
   object-fit: cover;
   margin-right: 1rem;
 }

 /* Book download section */
 .download-section {
   background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
   color: white;
   padding: 4rem 0;
   text-align: center;
 }

 .download-section h2 {
   color: white;
 }

 .download-section h2::after {
   background: var(--accent-color);
 }

 .download-form {
   max-width: 600px;
   margin: 2rem auto 0;
   background: white;
   padding: 2rem;
   border-radius: 10px;
   box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
 }

 .form-group {
   margin-bottom: 1.5rem;
   text-align: left;
 }

 .form-group label {
   display: block;
   margin-bottom: 0.5rem;
   color: var(--text-color);
   font-weight: 500;
 }

 .form-group input {
   width: 100%;
   padding: 0.8rem;
   border: 1px solid #ddd;
   border-radius: 5px;
   font-size: 1rem;
 }

 .download-btn {
   background: var(--primary-color);
   color: white;
   border: none;
   padding: 1rem 2rem;
   font-size: 1.1rem;
   border-radius: 50px;
   cursor: pointer;
   transition: var(--transition);
   width: 100%;
   font-weight: 600;
 }

 .download-btn:hover {
   background: var(--secondary-color);
   transform: translateY(-3px);
   box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
 }

 /* FAQ section */
 .faq-item {
   margin-bottom: 1rem;
   border: 1px solid #ddd;
   border-radius: 5px;
   overflow: hidden;
 }

 .faq-question {
   padding: 1.5rem;
   background: var(--light-bg);
   font-weight: 600;
   cursor: pointer;
   display: flex;
   justify-content: space-between;
   align-items: center;
 }

 .faq-question::after {
   content: '+';
   font-size: 1.5rem;
 }

 .faq-question.active::after {
   content: '-';
 }

 .faq-answer {
   padding: 0 1.5rem;
   max-height: 0;
   overflow: hidden;
   transition: max-height 0.3s ease;
 }

 .faq-answer.show {
   padding: 1.5rem;
   max-height: 500px;
 }

 /* Contact section */
 .contact-grid {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
   gap: 2rem;
 }

 .contact-info {
   background: var(--light-bg);
   padding: 2rem;
   border-radius: 10px;
 }

 .contact-info h3 {
   margin-bottom: 1.5rem;
 }

 .contact-info p {
   margin-bottom: 1rem;
   display: flex;
   align-items: center;
 }

 .contact-info i {
   margin-right: 1rem;
   color: var(--primary-color);
   font-size: 1.2rem;
 }

 .contact-form {
   background: white;
   padding: 2rem;
   border-radius: 10px;
   box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
 }

 /* Footer */
 footer {
   background: var(--dark-bg);
   color: white;
   padding: 4rem 0 2rem;
 }

 .footer-container {
   max-width: 1200px;
   margin: 0 auto;
   padding: 0 2rem;
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
   gap: 2rem;
 }

 .footer-column h3 {
   color: white;
   margin-bottom: 1.5rem;
   font-size: 1.3rem;
 }

 .footer-column ul {
   list-style: none;
 }

 .footer-column ul li {
   margin-bottom: 0.8rem;
 }

 .footer-column ul li a {
   color: #ccc;
   text-decoration: none;
   transition: var(--transition);
 }

 .footer-column ul li a:hover {
   color: white;
   padding-left: 5px;
 }

 .social-links {
   display: flex;
   gap: 1rem;
   margin-top: 1rem;
 }

 .social-links a {
   color: white;
   background: rgba(255, 255, 255, 0.1);
   width: 40px;
   height: 40px;
   border-radius: 50%;
   display: flex;
   align-items: center;
   justify-content: center;
   transition: var(--transition);
   text-decoration: none;
 }

 .social-links a:hover {
   background: var(--primary-color);
   transform: translateY(-3px);
 }

 .footer-bottom {
   text-align: center;
   padding-top: 2rem;
   margin-top: 2rem;
   border-top: 1px solid rgba(255, 255, 255, 0.1);
 }

 /* Cookie banner */
 .cookie-banner {
   position: fixed;
   bottom: 0;
   left: 0;
   right: 0;
   background: var(--dark-bg);
   color: white;
   padding: 1.5rem;
   display: flex;
   justify-content: space-between;
   align-items: center;
   z-index: 1000;
   transform: translateY(100%);
   transition: transform 0.3s ease;
 }

 .cookie-banner.show {
   transform: translateY(0);
 }

 .cookie-banner p {
   margin-bottom: 0;
   max-width: 80%;
 }

 .cookie-btn {
   background: var(--primary-color);
   color: white;
   border: none;
   padding: 0.5rem 1.5rem;
   border-radius: 5px;
   cursor: pointer;
   transition: var(--transition);
 }

 .cookie-btn:hover {
   background: var(--secondary-color);
 }

 /* Animations */
 @keyframes float {
   0% {
     transform: translateY(0px);
   }

   50% {
     transform: translateY(-10px);
   }

   100% {
     transform: translateY(0px);
   }
 }

 .floating {
   animation: float 3s ease-in-out infinite;
 }

 /* Mobile styles */
 @media (max-width: 768px) {
   nav ul {
     position: fixed;
     top: 80px;
     left: 0;
     width: 100%;
     background: white;
     flex-direction: column;
     align-items: center;
     padding: 2rem 0;
     box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
     transform: translateY(-150%);
     transition: var(--transition);
     z-index: 999;
   }

   nav ul.show {
     transform: translateY(0);
   }

   nav ul li {
     margin: 1rem 0;
   }

   .burger {
     display: block;
   }

   .hero h1 {
     font-size: 2.5rem;
   }

   .hero p {
     font-size: 1rem;
   }

   .about-content {
     flex-direction: column;
   }

   .header-container,
   .container {
     padding: 1rem;
   }

   section {
     padding: 2rem 1rem;
   }

   h2 {
     font-size: 2rem;
   }

   .swiper-container {
     height: 300px;
   }

   .cookie-banner {
     flex-direction: column;
     text-align: center;
   }

   .cookie-banner p {
     max-width: 100%;
     margin-bottom: 1rem;
   }
 }