:root {
   --primary-color: #14566f;
   --secondary-color: #445168;
}

* {
   margin: 0;
   padding: 0;
   box-sizing: border-box;
}

body {
   font-family: Arial, sans-serif;
   line-height: 1.6;
   background-color: #ffffff;
   color: #333;
   display: flex;
   flex-direction: column;
   min-height: 100vh;
}

/* Header Styles */
.main-header {
   background-color: var(--primary-color);
   padding: 10px;
}

.header-items {
   display: flex;
   align-items: center;
   justify-content: space-between;
   width: 100%;
   max-width: 900px;
   margin: 0 auto;
   padding: 0 10px;
}

.container-logo {
   display: flex;
   align-items: center;
   justify-content: center;
   flex-grow: 1;
}

.logo-header {
   width: 40px;
   height: 40px;
   margin-right: 10px;
   object-fit: contain;
}

.logo {
   color: white;
   font-size: 24px;
   font-weight: normal;
   letter-spacing: 5px;
   margin: 0;
   text-align: center;
   text-transform: uppercase;
}

.menu-icon,
.search-icon {
   background: none;
   border: none;
   cursor: pointer;
   padding: 5px;
   display: flex;
   flex-direction: column;
   justify-content: center;
   align-items: center;
   gap: 4px;
   transition: opacity 0.3s ease;
   min-width: 40px;
}

.menu-icon span {
   display: block;
   width: 25px;
   height: 3px;
   background-color: white;
   border-radius: 2px;
   transition: all 0.3s ease;
}

.search-icon svg {
   width: 24px;
   height: 24px;
}

.menu-icon:hover span,
.search-icon:hover svg {
   opacity: 0.8;
}

.menu-icon:focus,
.search-icon:focus {
   outline: 2px solid white;
   outline-offset: 2px;
}

.main-content {
   flex-grow: 1;
   padding: 1rem 0 4rem;
   width: 100%;
}

.container {
   max-width: 960px;
   margin: 0 auto;
   text-align: center;
}

h1 {
   font-size: 2.25rem;
   margin-bottom: 1.5rem;
   line-height: 1.3;
   text-transform: capitalize;
}

h1 strong {
   border-radius: 10px;
   color: #c10000;
}

.video-wrapper {
   margin-bottom: 1.5rem;
}

.sound-check {
   font-size: 1.1rem;
   font-weight: bold;
   color: #444;
}

.container {
   max-width: 1200px;
   margin: 0 auto;
   padding: 0 20px;
}

/* ===================================
   HEADER
   =================================== */
.header {
   background-color: #fff;
   padding: 20px 0;
   box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.steps-nav {
   display: flex;
   justify-content: center;
   gap: 10px;
}

.step-btn {
   background-color: #1a3d5c;
   color: #fff;
   border: none;
   padding: 10px 25px;
   border-radius: 20px;
   font-size: 14px;
   font-weight: bold;
   cursor: pointer;
   transition: all 0.3s ease;
}

.step-btn.active {
   background-color: #0d2438;
}

.step-btn:hover {
   background-color: #0d2438;
   transform: translateY(-2px);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero-section {
   background: linear-gradient(135deg, #0a5f7d 0%, #0d4a61 100%);
   padding: 50px 0;
   text-align: center;
}

.hero-title {
   color: #fff;
   font-size: 42px;
   font-weight: bold;
   margin-bottom: 20px;
   text-transform: uppercase;
}

.step-number {
   color: #ffc107;
}

.rating-badge {
   display: inline-flex;
   align-items: center;
   gap: 10px;
   background-color: rgba(255, 255, 255, 0.15);
   padding: 10px 20px;
   border-radius: 25px;
}

.rating-text {
   color: #fff;
   font-size: 14px;
}

.stars {
   display: flex;
   gap: 2px;
}

.star {
   color: #ffc107;
   font-size: 16px;
}

/* ===================================
   PACKAGES SECTION
   =================================== */
.packages-section {
   padding: 60px 0;
}

.packages-grid {
   display: grid;
   grid-template-columns: repeat(3, 1fr);
   gap: 30px;
   margin-bottom: 40px;
}

.package-card-wrapper {
   width: 100%;
   display: flex;
   justify-content: center;
   align-items: center;
}

.package-card-image {
   width: 100%;
   height: auto;
   display: block;
   border-radius: 15px;
   transition:
      transform 0.3s ease,
      box-shadow 0.3s ease;
}

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

/* Stock Info */
.stock-info {
   text-align: center;
   padding: 30px 0;
}

.stock-number-original {
   font-size: 24px;
   color: #4caf50;
   margin-bottom: 15px;
}

.stock-number-original strong {
   font-size: 32px;
   transition: all 0.3s ease;
}

.stock-number-original strong.updating {
   color: #ff4444;
   transform: scale(1.1);
}

.shipping-note {
   font-size: 16px;
   color: #333;
   margin-bottom: 5px;
}

.international-note {
   font-size: 14px;
   color: #666;
}

/* ===================================
   GUARANTEE SECTION
   =================================== */
.guarantee-section {
   background-color: #f9f9f9;
   padding: 80px 0;
   border-top: 1px solid #e0e0e0;
}

.guarantee-content {
   max-width: 900px;
   margin: 0 auto;
   text-align: center;
}

.guarantee-badge {
   margin-bottom: 30px;
}

.guarantee-badge-image {
   width: 180px;
   height: auto;
   display: inline-block;
   filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.15));
}

.guarantee-title {
   font-size: 38px;
   font-weight: bold;
   color: #2c3e50;
   margin-bottom: 15px;
   line-height: 1.2;
}

.guarantee-subtitle {
   font-size: 28px;
   font-weight: 600;
   color: #16a085;
   margin-bottom: 30px;
}

.guarantee-text {
   font-size: 16px;
   line-height: 1.8;
   color: #555;
   margin-bottom: 40px;
   text-align: center;
}

.certification-badges {
   display: flex;
   justify-content: center;
   align-items: center;
   gap: 20px;
   flex-wrap: wrap;
}

.cert-badge {
   width: 80px;
   height: 80px;
   object-fit: contain;
   transition: transform 0.3s ease;
}

.cert-badge:hover {
   transform: scale(1.1);
}

/* ===================================
   BENEFITS SECTION
   =================================== */
.benefits-section {
   background-color: #fff;
   padding: 80px 0;
}

.benefits-main-title {
   font-size: 38px;
   font-weight: bold;
   color: #1a3d5c;
   text-align: center;
   margin-bottom: 20px;
}

.benefits-subtitle {
   font-size: 16px;
   color: #555;
   text-align: center;
   margin-bottom: 60px;
   max-width: 800px;
   margin-left: auto;
   margin-right: auto;
}

.benefits-subtitle strong {
   color: #1a3d5c;
   font-weight: bold;
}

.benefits-grid {
   display: grid;
   grid-template-columns: repeat(3, 1fr);
   gap: 40px;
   max-width: 1100px;
   margin: 0 auto;
}

.benefit-card {
   background: #fff;
   padding: 30px 25px;
   border-radius: 10px;
   text-align: center;
   transition: all 0.3s ease;
   border: 1px solid #f0f0f0;
}

.benefit-card:hover {
   transform: translateY(-5px);
   box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
   border-color: #1a3d5c;
}

.benefit-icon {
   margin-bottom: 20px;
   display: flex;
   justify-content: center;
}

.benefit-icon svg {
   transition: transform 0.3s ease;
}

.benefit-card:hover .benefit-icon svg {
   transform: scale(1.1);
}

.benefit-title {
   font-size: 20px;
   font-weight: bold;
   color: #1a3d5c;
   margin-bottom: 15px;
}

.benefit-description {
   font-size: 15px;
   line-height: 1.6;
   color: #666;
}

/* ===================================
   INGREDIENTS SECTION
   =================================== */
.ingredients-section {
   background-color: #f5f8fa;
   padding: 80px 0;
}

.ingredients-title {
   font-size: 38px;
   font-weight: bold;
   color: #1a3d5c;
   text-align: center;
   margin-bottom: 60px;
}

.ingredients-grid {
   display: grid;
   grid-template-columns: repeat(3, 1fr);
   gap: 30px;
   max-width: 1100px;
   margin: 0 auto;
}

.ingredient-card {
   background: #fff;
   padding: 35px 30px;
   border-radius: 10px;
   text-align: center;
   transition: all 0.3s ease;
   border: 2px solid #e8e8e8;
}

.ingredient-card:hover {
   transform: translateY(-5px);
   box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
   border-color: #0a5f7d;
   background: linear-gradient(135deg, #0a5f7d 0%, #0d4a61 100%);
}

.ingredient-name {
   font-size: 22px;
   font-weight: bold;
   color: #1a3d5c;
   margin-bottom: 15px;
   transition: color 0.3s ease;
}

.ingredient-card:hover .ingredient-name {
   color: #fff;
}

.ingredient-description {
   font-size: 15px;
   line-height: 1.6;
   color: #666;
   transition: color 0.3s ease;
}

.ingredient-card:hover .ingredient-description {
   color: rgba(255, 255, 255, 0.95);
}

/* ===================================
   FAQ SECTION
   =================================== */
.faq-section {
   background-color: #fff;
   padding: 80px 0;
}

.faq-title {
   font-size: 38px;
   font-weight: bold;
   color: #1a3d5c;
   text-align: center;
   margin-bottom: 60px;
}

.faq-container {
   max-width: 900px;
   margin: 0 auto;
}

.faq-item {
   background: #fff;
   border: 2px solid #e8e8e8;
   border-radius: 10px;
   margin-bottom: 15px;
   overflow: hidden;
   transition: all 0.3s ease;
}

.faq-item:hover {
   border-color: #0a5f7d;
}

.faq-question {
   width: 100%;
   background: none;
   border: none;
   padding: 25px 30px;
   text-align: left;
   font-size: 18px;
   font-weight: bold;
   color: #1a3d5c;
   cursor: pointer;
   display: flex;
   justify-content: space-between;
   align-items: center;
   transition: all 0.3s ease;
}

.faq-question:hover {
   color: #0a5f7d;
}

.faq-icon {
   font-size: 28px;
   font-weight: bold;
   color: #0a5f7d;
   transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
   transform: rotate(45deg);
}

.faq-answer {
   max-height: 0;
   overflow: hidden;
   transition:
      max-height 0.4s ease,
      padding 0.4s ease;
   padding: 0 30px;
}

.faq-item.active .faq-answer {
   max-height: 500px;
   padding: 0 30px 25px 30px;
}

.faq-answer p {
   font-size: 16px;
   line-height: 1.8;
   color: #555;
   margin: 0;
}

/* ===================================
   FREE SHIPPING CTA SECTION
   =================================== */
.free-shipping-section {
   background: linear-gradient(135deg, #0a5f7d 0%, #0d4a61 100%);
   padding: 80px 0;
   text-align: center;
   position: relative;
   overflow: hidden;
}

.free-shipping-section::before {
   content: "";
   position: absolute;
   top: -50%;
   left: -50%;
   width: 200%;
   height: 200%;
   background: radial-gradient(
      circle,
      rgba(255, 255, 255, 0.1) 0%,
      transparent 70%
   );
   animation: pulse-bg 8s ease-in-out infinite;
}

@keyframes pulse-bg {
   0%,
   100% {
      transform: scale(1);
      opacity: 0.5;
   }
   50% {
      transform: scale(1.1);
      opacity: 0.8;
   }
}

.free-shipping-title {
   font-size: 42px;
   font-weight: bold;
   color: #fff;
   margin-bottom: 20px;
   line-height: 1.3;
   position: relative;
   z-index: 1;
}

.highlight-text {
   color: #ffc107;
   text-decoration: underline;
   text-decoration-thickness: 3px;
   text-underline-offset: 5px;
}

.free-shipping-subtitle {
   font-size: 18px;
   color: #fff;
   margin-bottom: 15px;
   position: relative;
   z-index: 1;
}

.free-shipping-warning {
   font-size: 20px;
   color: #ffc107;
   font-weight: bold;
   margin-bottom: 40px;
   position: relative;
   z-index: 1;
}

.product-showcase {
   margin: 40px 0;
   position: relative;
   z-index: 1;
}

.product-showcase-image {
   max-width: 100%;
   width: 800px;
   height: auto;
   display: inline-block;
   filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
   animation: float 3s ease-in-out infinite;
}

@keyframes float {
   0%,
   100% {
      transform: translateY(0px);
   }
   50% {
      transform: translateY(-15px);
   }
}

.cta-main-title {
   font-size: 36px;
   font-weight: bold;
   color: #fff;
   margin-bottom: 15px;
   position: relative;
   z-index: 1;
}

.cta-urgency {
   font-size: 24px;
   color: #ffc107;
   font-weight: bold;
   margin-bottom: 20px;
   position: relative;
   z-index: 1;
}

.arrow-down {
   margin: 20px 0;
   animation: bounce 2s ease-in-out infinite;
   position: relative;
   z-index: 1;
}

@keyframes bounce {
   0%,
   20%,
   50%,
   80%,
   100% {
      transform: translateY(0);
   }
   40% {
      transform: translateY(-15px);
   }
   60% {
      transform: translateY(-10px);
   }
}

.btn-cta-large {
   display: inline-block;
   background: linear-gradient(135deg, #ffa726 0%, #ff9800 100%);
   color: #fff;
   font-size: 28px;
   font-weight: bold;
   padding: 20px 60px;
   border-radius: 50px;
   text-decoration: none;
   text-transform: uppercase;
   box-shadow: 0 8px 25px rgba(255, 152, 0, 0.4);
   transition: all 0.3s ease;
   position: relative;
   z-index: 1;
   border: none;
   cursor: pointer;
}

.btn-cta-large:hover {
   background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
   transform: translateY(-3px);
   box-shadow: 0 12px 35px rgba(255, 152, 0, 0.6);
}

.btn-cta-large:active {
   transform: translateY(-1px);
   box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4);
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */
.testimonials-section {
   background-color: #fff;
   padding: 80px 0;
}

.testimonials-main-title {
   font-size: 38px;
   font-weight: bold;
   color: #1a3d5c;
   text-align: center;
   margin-bottom: 10px;
}

.testimonials-subtitle {
   font-size: 32px;
   font-weight: bold;
   color: #1a3d5c;
   text-align: center;
   margin-bottom: 60px;
}

/* Photos Grid */
.testimonials-photos-grid {
   display: flex;
   justify-content: center;
   margin-bottom: 60px;
}

.testimonial-photo {
   width: 100%;
}

/* Testimonials List */
.testimonials-list {
   max-width: 900px;
   margin: 0 auto;
}

.testimonial-item {
   display: flex;
   gap: 25px;
   margin-bottom: 40px;
   padding-bottom: 40px;
   border-bottom: 1px solid #e8e8e8;
}

.testimonial-item:last-child {
   border-bottom: none;
   padding-bottom: 0;
   margin-bottom: 0;
}

.testimonial-avatar {
   flex-shrink: 0;
}

.avatar-circle {
   width: 70px;
   height: 70px;
   border-radius: 50%;
   background: linear-gradient(135deg, #0a5f7d 0%, #0d4a61 100%);
   color: #fff;
   display: flex;
   align-items: center;
   justify-content: center;
   font-size: 24px;
   font-weight: bold;
   box-shadow: 0 4px 15px rgba(10, 95, 125, 0.3);
}

.testimonial-content {
   flex: 1;
}

.testimonial-title {
   font-size: 20px;
   font-weight: bold;
   color: #1a3d5c;
   margin-bottom: 10px;
}

.testimonial-stars {
   display: flex;
   align-items: center;
   gap: 5px;
   margin-bottom: 15px;
}

.star-filled {
   color: #ffc107;
   font-size: 18px;
}

.verified-badge {
   background-color: #2ecc71;
   color: #fff;
   padding: 4px 12px;
   border-radius: 12px;
   font-size: 12px;
   font-weight: bold;
   margin-left: 10px;
}

.testimonial-text {
   font-size: 16px;
   line-height: 1.8;
   color: #555;
   margin-bottom: 15px;
   font-style: italic;
}

.testimonial-author {
   font-size: 14px;
   color: #1a3d5c;
   font-weight: bold;
}

/* ===================================
   RESPONSIVE - TABLET
   =================================== */
@media (max-width: 992px) {
   .packages-grid {
      grid-template-columns: 1fr;
      gap: 40px;
   }

   .benefits-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
   }

   .guarantee-title {
      font-size: 30px;
   }

   .benefits-main-title {
      font-size: 32px;
   }

   .ingredients-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 25px;
   }

   .testimonials-photos-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
   }
}

/* ===================================
   RESPONSIVE - MOBILE
   =================================== */
@media (max-width: 768px) {
   /* Hero */
   .hero-title {
      font-size: 28px;
   }

   .steps-nav {
      justify-content: center;
   }

   /* Stock Info */
   .stock-number-original {
      font-size: 20px;
   }

   .stock-number-original strong {
      font-size: 28px;
   }

   /* Guarantee */
   .guarantee-section {
      padding: 50px 0;
   }

   .guarantee-badge-image {
      width: 140px;
   }

   .guarantee-title {
      font-size: 26px;
   }

   .guarantee-subtitle {
      font-size: 20px;
   }

   .guarantee-text {
      font-size: 15px;
      padding: 0 10px;
   }

   .certification-badges {
      gap: 15px;
   }

   .cert-badge {
      width: 60px;
      height: 60px;
   }

   /* Benefits */
   .benefits-section {
      padding: 50px 0;
   }

   .benefits-grid {
      grid-template-columns: 1fr;
      gap: 25px;
   }

   .benefits-main-title {
      font-size: 26px;
   }

   /* Ingredients */
   .ingredients-section {
      padding: 50px 0;
   }

   .ingredients-title {
      font-size: 28px;
      margin-bottom: 40px;
   }

   .ingredients-grid {
      grid-template-columns: 1fr;
      gap: 20px;
   }

   .ingredient-card {
      padding: 25px 20px;
   }

   /* FAQ */
   .faq-section {
      padding: 50px 0;
   }

   .faq-title {
      font-size: 28px;
      margin-bottom: 40px;
   }

   .faq-question {
      padding: 20px;
      font-size: 16px;
   }

   .faq-answer p {
      font-size: 15px;
   }

   /* Free Shipping CTA */
   .free-shipping-section {
      padding: 50px 0;
   }

   .free-shipping-title {
      font-size: 28px;
      padding: 0 15px;
   }

   .free-shipping-subtitle {
      font-size: 16px;
   }

   .free-shipping-warning {
      font-size: 17px;
      padding: 0 15px;
   }

   .product-showcase-image {
      max-width: 100%;
      padding: 0 20px;
   }

   .cta-main-title {
      font-size: 26px;
   }

   .cta-urgency {
      font-size: 20px;
   }

   .btn-cta-large {
      font-size: 22px;
      padding: 18px 40px;
   }

   /* Testimonials */
   .testimonials-section {
      padding: 50px 0;
   }

   .testimonials-main-title {
      font-size: 28px;
   }

   .testimonials-subtitle {
      font-size: 24px;
      margin-bottom: 40px;
   }

   .testimonials-photos-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 15px;
   }

   .testimonial-photo {
      height: 150px;
   }

   .testimonial-item {
      flex-direction: column;
      gap: 15px;
      margin-bottom: 30px;
      padding-bottom: 30px;
   }

   .avatar-circle {
      width: 60px;
      height: 60px;
      font-size: 20px;
      margin: 0 auto;
   }

   .testimonial-content {
      text-align: center;
   }

   .testimonial-stars {
      justify-content: center;
   }

   .testimonial-title {
      font-size: 18px;
   }

   .testimonial-text {
      font-size: 15px;
   }
}

/* =============================
   SCIENTIFIC REFERENCES SECTION
   ============================= */

.scientific-section {
   /* background-color: #f5f6f7; */
   padding: 60px 20px;
   margin-top: 40px;
}

.scientific-container {
   max-width: 1100px;
   margin: 0 auto;
   text-align: center;
}

.scientific-title {
   font-size: 28px;
   font-weight: 700;
   margin-bottom: 30px;
   color: #152e54;
}

.scientific-logos {
   display: flex;
   justify-content: center;
   flex-wrap: wrap;
   gap: 35px;
   margin-bottom: 40px;
}

.logo-item {
   font-size: 26px;
   font-weight: 700;
   color: #1a1a1a;
   border: 2px solid #dfe3e8;
   padding: 14px 28px;
   border-radius: 12px;
   background: white;
   box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.reference-list {
   text-align: left;
   margin: 0 auto;
   max-width: 900px;
   font-size: 16px;
   line-height: 1.6;
   color: #152e54;
   padding: 1rem;
}

.reference-list li {
   margin-bottom: 12px;
}

/* MOBILE */
@media (max-width: 600px) {
   .logo-item {
      font-size: 20px;
      padding: 10px 20px;
   }

   .scientific-title {
      font-size: 22px;
   }

   .reference-list {
      font-size: 14px;
   }
}

/* Footer */
footer {
   background-color: var(--primary-color);
   padding: 40px 20px 20px;
   text-align: center;
   color: #fff;
}

.footer-brand {
   margin-bottom: 20px;
}

footer p {
   margin-bottom: 10px;
   font-size: 18px;
}

.logo-footer {
   width: 80px;
   height: auto;
   margin: 15px auto 0;
   display: block;
   object-fit: contain;
}

.footnote {
   font-size: 16px;
   line-height: 1.6;
   max-width: 800px;
   margin: 10px auto;
   padding: 0 20px;
}

.footer-links {
   margin-top: 20px;
   font-size: 16px;
}

.footer-links a {
   color: #fff;
   text-decoration: none;
   transition: opacity 0.3s ease;
}

.footer-links a:hover {
   text-decoration: underline;
   opacity: 0.8;
}

.footer-links a:focus {
   outline: 2px solid white;
   outline-offset: 2px;
}

@media (max-width: 600px) {
   h1 {
      font-size: 1.75rem;
   }

   .logo {
      font-size: 16px;
      letter-spacing: 2px;
   }

   .logo-header {
      width: 30px;
      height: 30px;
      margin-right: 8px;
   }

   .menu-icon span {
      width: 20px;
   }

   .search-icon svg {
      width: 20px;
      height: 20px;
   }

   footer {
      padding: 30px 15px 15px;
   }

   .footnote {
      font-size: 14px;
      padding: 0 10px;
   }

   .footer-links {
      font-size: 14px;
      line-height: 1.8;
   }

   .logo-footer {
      width: 60px;
   }

   .plan.featured {
      transform: scale(1);
   }

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