:root {
  --primary-color: #f27c36;
  --bg-color: #f1f1f1;
  --dark-text: #1c1c1c;
  --light-text: #555555;
  --white-color: #ffffff;
  --font-title: "League Spartan", sans-serif;
  --font-body: "Poppins", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--dark-text);
  background-color: var(--bg-color);
  padding-top: 30px;
  overflow-x: hidden;
}

.container {
  max-width: 960px;
  margin: auto;
  padding: 0 1.5rem;
}

header {
  padding: 20px 0;
  margin-bottom: 120px;
}
.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo-image {
  height: 50px;
  width: auto;
}
.header-cta {
  font-family: var(--font-title);
  font-weight: 700;
  background-color: var(--dark-text);
  color: var(--white-color);
  padding: 10px 20px;
  border-radius: 50px;
  text-decoration: none;
  transition: background-color 0.3s;
}
.header-cta:hover {
  background-color: var(--primary-color);
}

#vsl-hero {
  padding-top: 30px;
  padding-bottom: 60px;
  text-align: center;
}
#vsl-hero h1 {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
  margin-bottom: 25px;
}
.highlight-box {
  background-color: var(--primary-color);
  color: var(--white-color);
  padding: 0.1em 0.3em;
  border-radius: 8px;
}
#vsl-hero .sub-headline {
  font-size: 1.1rem;
  color: var(--light-text);
  max-width: 600px;
  margin: 0 auto 40px auto;
}
.video-wrapper {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}
.video-frame {
  border: 4px solid var(--primary-color);
  padding: 5px;
  border-radius: 20px;
  background-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
.video-frame video {
  width: 100%;
  display: block;
  border-radius: 15px;
  cursor: pointer;
}
#vsl-hero .cta-button {
  margin-top: 50px;
}

.video-controls {
  position: absolute;
  bottom: 15px;
  left: 15px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
}
.control-button {
  background: rgba(0, 0, 0, 0.5);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background-color 0.2s;
}
.control-button:hover {
  background: rgba(0, 0, 0, 0.8);
}
.control-button svg {
  width: 20px;
  height: 20px;
  fill: white;
}
.volume-control {
  display: flex;
  align-items: center;
}
#volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 0;
  height: 5px;
  background: #555;
  border-radius: 5px;
  outline: none;
  opacity: 0;
  visibility: hidden;
  transition: width 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
  margin-left: 5px;
}
.volume-control:hover #volume-slider {
  width: 80px;
  opacity: 1;
  visibility: visible;
}
#volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px;
  height: 15px;
  background: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
}
#volume-slider::-moz-range-thumb {
  width: 15px;
  height: 15px;
  background: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}
#volume-slider::-moz-range-track {
  background: #555;
  height: 5px;
  border-radius: 5px;
}

.content-section {
  padding: 60px 0;
}

.content-wrapper {
  background-color: var(--white-color);
  padding: 60px;
  border-radius: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.how-it-works-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.how-it-works-text h2 {
  font-family: "Poppins", sans-serif;
  font-size: 2.5rem;
  text-align: left;
  margin: 10px 0;
  line-height: 1.3;
}
.how-it-works-text h2 span {
  color: var(--primary-color);
}
.how-it-works-text p {
  color: var(--light-text);
  font-size: 1.1rem;
  line-height: 1.6;
}
.how-it-works-text .cta-button {
  margin-top: 40px;
}
.feature-tag {
  font-family: var(--font-title);
  color: var(--primary-color);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block;
}
.feature-list-vertical {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.feature-item-vertical {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}
.feature-icon-vertical {
  color: var(--primary-color);
  flex-shrink: 0;
}
.feature-icon-vertical svg {
  width: 32px;
  height: 32px;
}
.feature-text-vertical h4 {
  font-size: 1.2rem;
  margin-bottom: 5px;
  color: var(--dark-text);
  font-weight: 600;
}
.feature-text-vertical p {
  color: var(--light-text);
  font-size: 1rem;
  line-height: 1.5;
}
.hiw-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.07;
  z-index: 1;
  animation: subtlePulseAndRotate 12s ease-in-out infinite alternate;
}
.hiw-shape-1 {
  width: 250px;
  height: 250px;
  background-color: var(--primary-color);
  top: -80px;
  left: -100px;
}
.hiw-shape-2 {
  width: 150px;
  height: 150px;
  background-color: var(--dark-text);
  bottom: -60px;
  right: 40px;
  animation-delay: -6s;
}

.tech-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}
.tech-image-composition {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 450px;
}
.tech-image-composition .shape {
  position: absolute;
  z-index: 1;
  border-radius: 30px;
  transition: all 0.5s ease-out;
}
.tech-image-composition .shape-1 {
  background-color: var(--primary-color);
  width: 55%;
  height: 80%;
  border-radius: 80px;
  left: 0;
  animation: slowFloat 8s ease-in-out infinite;
}
.tech-image-composition .shape-2 {
  background-color: var(--bg-color);
  width: 65%;
  height: 90%;
  right: 0;
  top: 0;
  border-radius: 40px;
  animation: slowFloat2 10s ease-in-out infinite;
}
.main-tech-photo {
  position: relative;
  z-index: 2;
  width: 95%;
  border-radius: 20px;
  transform: scale(1.1);
}
.tech-text-content .feature-tag {
  font-family: var(--font-title);
  color: var(--primary-color);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.tech-text-content h2 {
  font-family: "Poppins", sans-serif;
  font-size: 2.5rem;
  text-align: left;
  line-height: 1.3;
  margin-top: 10px;
  margin-bottom: 20px;
}
.tech-text-content h2 span {
  color: var(--primary-color);
}
.tech-text-content p {
  color: var(--light-text);
  margin-bottom: 30px;
}
.tech-benefits-list {
  list-style: none;
  margin-bottom: 30px;
}
.tech-benefits-list li {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}
.tech-benefits-list .check-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background-color: var(--primary-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tech-benefits-list .check-icon svg {
  width: 16px;
  height: 16px;
  stroke: var(--white-color);
  stroke-width: 3;
}

#personalization h2 {
  font-family: var(--font-title);
  font-size: 2.8rem;
  text-align: center;
  margin-bottom: 15px;
}
#personalization .section-subtitle {
  color: var(--light-text);
  max-width: 500px;
  margin: 0 auto 50px auto;
  text-align: center;
}
.personalization-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}
.personalization-choices,
.personalization-display {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  height: 100%;
}
.personalization-choices h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.personalization-choices p {
  color: var(--light-text);
  margin-bottom: 30px;
}
.pendant-selector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.pendant-choice {
  background: var(--white-color);
  padding: 20px;
  border-radius: 16px;
  border: 2px solid #e5e7eb;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}
.pendant-choice:hover,
.pendant-choice.active {
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}
.pendant-icon img {
  height: 60px;
  margin-bottom: 10px;
}
.pendant-name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
}
.mockup-viewer {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}
#mockup-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 20px;
}
.mockup-info {
  margin-top: 20px;
  text-align: center;
}
#pendant-title {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 5px;
}
#pendant-description {
  color: var(--light-text);
  min-height: 48px;
}

.section-cta {
  text-align: center;
  margin-top: 50px;
}
.cta-button {
  display: inline-block;
  background: var(--primary-color);
  color: var(--white-color);
  padding: 15px 40px;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-transform: uppercase;
}
.cta-button:hover {
  transform: translateY(-3px);
}

#signup {
  background-color: var(--dark-text);
  color: var(--white-color);
  padding: 80px 0;
  text-align: center;
}
#signup h2 {
  font-family: var(--font-title);
  font-size: 2.8rem;
  text-align: center;
  margin-bottom: 15px;
  color: var(--white-color);
}
#signup p {
  color: #ccc;
  margin-bottom: 30px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.signup-form {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.signup-form input {
  padding: 15px;
  width: 300px;
  border-radius: 50px;
  border: 2px solid #555;
  background: #333;
  color: var(--white-color);
  font-size: 1rem;
}
#signup-message {
  margin-top: 20px;
  font-weight: 600;
  min-height: 24px;
}

footer {
  padding: 30px 0;
  text-align: center;
  color: var(--light-text);
}

.dynamic-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
}
.bg-shape {
  position: absolute;
  opacity: 0.03;
  will-change: transform;
}
.shape-circle-lg {
  width: 200px;
  height: 200px;
  background: var(--primary-color);
  top: 10%;
  left: 5%;
  border-radius: 50%;
  animation: pulse 15s ease-in-out infinite alternate;
}
.shape-circle-sm {
  width: 120px;
  height: 120px;
  background: var(--dark-text);
  bottom: 15%;
  right: 10%;
  border-radius: 50%;
  animation: pulse 12s ease-in-out infinite alternate;
  animation-delay: -6s;
}
.shape-square {
  width: 80px;
  height: 80px;
  background: var(--primary-color);
  top: 25%;
  right: 15%;
  animation: float 25s ease-in-out infinite alternate;
}
.shape-plus {
  width: 60px;
  height: 60px;
  bottom: 40%;
  left: 10%;
  animation: spin 30s linear infinite;
}
.shape-plus::before,
.shape-plus::after {
  content: "";
  position: absolute;
  background: var(--dark-text);
}
.shape-plus::before {
  width: 100%;
  height: 10px;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}
.shape-plus::after {
  width: 10px;
  height: 100%;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}

@keyframes float {
  from { transform: translateY(0px) rotate(0deg); }
  to { transform: translateY(-30px) rotate(25deg); }
}
@keyframes pulse {
  from { transform: scale(1); }
  to { transform: scale(1.15); }
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes slowFloat {
  0% { transform: translateY(0) rotate(-15deg); }
  50% { transform: translateY(-15px) rotate(-13deg); }
  100% { transform: translateY(0) rotate(-15deg); }
}
@keyframes slowFloat2 {
  0% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(10px) rotate(2deg); }
  100% { transform: translateY(0) rotate(0deg); }
}
@keyframes subtlePulseAndRotate {
  0% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.05) rotate(5deg); }
  100% { transform: scale(1) rotate(0deg); }
}
.fade-in-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

@media (max-width: 900px) {
  .tech-layout-grid,
  .how-it-works-grid,
  .personalization-layout {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .personalization-display {
    display: flex;
    flex-direction: column;
  }
  .mockup-info {
    order: -1;
    margin-bottom: 20px;
  }
  .tech-image-composition {
    order: -1;
    min-height: 350px;
  }
  .tech-text-content h2,
  .tech-text-content,
  .how-it-works-text {
    text-align: center;
  }
  .personalization-choices {
    text-align: center;
  }
  .tech-benefits-list {
    display: inline-block;
    text-align: left;
  }
  .content-wrapper {
    padding: 40px;
  }
}
@media (max-width: 768px) {
  body {
    padding-top: 20px;
  }
  header {
    margin-bottom: 20px;
  }
  .header-cta {
    padding: 8px 15px;
    font-size: 0.85rem;
  }
  #vsl-hero {
    padding-top: 20px;
  }
  .content-section h2,
  #personalization h2,
  .feature-title-block h2,
  .how-it-works-text h2 {
    font-size: 2.2rem;
  }
  .how-it-works-text .cta-button {
    margin-top: 20px;
  }
  .content-wrapper {
    padding: 40px 20px;
  }
  .dynamic-background {
    display: none;
  }
}