:root {
  --black: #0b0b0b;
  --dark: #141414;
  --gold: #c9a86a;
  --gray: #9aa0a6;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", system-ui, sans-serif;
}

body {
  color: #eee;
  background-image: url('src/bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-color: #0b0b0b;
  position: relative;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: -1;
}

header {
  background: var(--black);
  border-bottom: 1px solid #222;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
}

.nav {
  max-width: 2200px;
  margin: auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav {
  display: flex;
  align-items: center;
  gap: 25px;
}

nav a {
  color: #eee;
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s ease;
}

nav a:hover {
  color: var(--gold);
}

.container {
  max-width: 2200px;
  margin: 100px auto 60px;
  padding: 0 24px;
}

/* Hero Section */
.product-hero {
  text-align: center;
  padding: 60px 20px;
  margin-bottom: 40px;
}

.product-hero img {
  max-width: 250px;
  margin-bottom: 30px;
}

.product-hero h1 {
  font-size: 3rem;
  background: linear-gradient(135deg, var(--gold), #f4e4c1);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.product-subtitle {
  color: var(--gray);
  font-size: 1.2rem;
  line-height: 1.8;
  max-width: 900px;
  margin: 0 auto;
}

.divider {
  width: 50%;
  height: 1px;
  background: var(--gold);
  margin: 60px auto;
  opacity: 0.3;
}

/* Simple and Easy Interface Section */
.interface-section {
  margin: 60px 0;
}

.interface-section h2 {
  font-size: 2.5rem;
  text-align: center;
  color: #ffffff;
  margin-bottom: 30px;
  letter-spacing: 2px;
}

.interface-description {
  text-align: center;
  color: #ddd;
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 1100px;
  margin: 0 auto 50px;
}

/* Two Column Comparison - Matching Original Layout */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin: 60px 0;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

.comparison-item {
  text-align: center;
}

.comparison-item h3 {
  color: #ffffff;
  font-size: 1.5rem;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.comparison-item img {
  width: 100%;
  max-width: 600px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  display: block;
  margin: 0 auto;
}

/* Three Versions Section */
.versions-section {
  margin: 60px 0;
}

.versions-section h2 {
  font-size: 2.5rem;
  text-align: center;
  color: #ffffff;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.versions-description {
  text-align: center;
  color: #ddd;
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 1000px;
  margin: 0 auto 50px;
}

.versions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin: 40px 0;
  max-width: 1600px;
  margin-left: auto;
  margin-right: auto;
}

.version-card {
  text-align: center;
}

.version-card img {
  width: 100%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  margin-bottom: 20px;
  display: block;
}

.version-card h3 {
  color: #ffffff;
  font-size: 1.3rem;
  margin-bottom: 15px;
  letter-spacing: 1px;
}

.version-card p {
  color: #ddd;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Programs Section */
.programs-section {
  margin: 60px 0;
}

.programs-section h2 {
  font-size: 2.5rem;
  text-align: center;
  color: #ffffff;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.programs-description {
  text-align: center;
  color: #ddd;
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 1100px;
  margin: 0 auto 50px;
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin: 40px 0;
  max-width: 1600px;
  margin-left: auto;
  margin-right: auto;
}

.program-card {
  text-align: center;
}

.program-card img {
  width: 100%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  margin-bottom: 15px;
  display: block;
}

.program-card h3 {
  color: #ffffff;
  font-size: 1.3rem;
  margin-top: 10px;
}

/* Video Section */
.content-box {
  background: rgba(20, 20, 20, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 40px;
  border-radius: 10px;
  backdrop-filter: blur(10px);
  margin: 40px 0;
}

.content-box h2 {
  color: var(--gold);
  font-size: 2rem;
  margin-bottom: 20px;
  text-align: center;
  text-transform: none;
  letter-spacing: 2px;
}

.video-placeholder {
  position: relative;
  width: 40%;
  padding-bottom: 25.25%;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  overflow: hidden;
  margin-left: auto;
  margin-right: auto;
}

.video-placeholder iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Download Section with Ads */
.download-three-column {
  display: grid;
  grid-template-columns: 0.8fr 4fr 0.8fr;
  gap: 20px;
  align-items: start;
  margin: 60px 0;
}

/* Ad Column Styling */
.fixed-column {
  position: relative;
  height: fit-content;
}


.fixed-placeholder {
  width: 400px;
  height: 400px; /* Skyscraper height */
  background: rgba(255, 255, 255, 0.05);
  border: 1px dashed var(--gray);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 14px;
  text-align: center;
}

.fixed-box {
  width: 420px;
}

.fixed-column-inline {
  display: flex;
  justify-content: center;
}

.fixed-placeholder-inline {
  width: 350px;
  height: 300px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px dashed var(--gray);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 14px;
  text-align: center;
}

/* Tabbed Box */
.tabbed-box {
  background: rgba(20, 20, 20, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.tab-navigation {
  display: flex;
  border-bottom: 1px solid var(--gold);
}

.tab-button {
  flex: 1;
  background: black;
  border: none;
  padding: 20px;
  color: #aaa;
  font-weight: bold;
  text-transform: none;
  cursor: pointer;
  transition: all 0.3s ease;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 1rem;
}

.tab-button:last-child {
  border-right: none;
}

.tab-button:hover {
  background: #1a1a1a;
  color: var(--gold);
}

.tab-button.active {
  background: #2a2a2a;
  color: var(--gold);
  border-bottom: 3px solid var(--gold);
}

.tab-content-wrapper {
  padding: 40px;
}

.tab-pane {
  display: none;
  opacity: 0;
  height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease;
}

.tab-pane.active {
  display: block;
  opacity: 1;
  height: auto;
  overflow: visible;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.download-links {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 15px;
  background: rgba(255, 255, 255, 0.05);
  padding: 20px;
  border-radius: 8px;
  box-sizing: border-box;
}

.download-links h3 {
  color: var(--gold);
  margin-bottom: 15px;
  font-size: 1.3rem;
}

.download-links a {
  color: #00bffe;
  text-decoration: none;
  transition: color 0.3s ease;
  padding: 2px 5px;
  display: inline-block;
}

.download-links a:hover {
  color: var(--gold);
}

.version-info {
  background: rgba(201, 168, 106, 0.1);
  border-left: 4px solid var(--gold);
  padding: 20px;
  margin: 20px 0;
  border-radius: 5px;
}

/* Footer */
footer {
    background: var(--black);
    color: #ddd;
    padding: 50px 24px;
    margin-top: 80px;
}

.footer-grid {
    max-width: 2200px;
    margin: auto;
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 40px;
    margin-bottom: 0;
}

.footer-links a {
  display: block;
  color: #9aa0a6;
  text-decoration: none;
  margin-bottom: 8px;
  font-size: 18px;
}
.footer-links a:hover {
  color: var(--gold);
}
.footer-links p {
  font-size: 22px;
  margin-bottom: 15px;
}
.policy {
  font-size: 16px;
  line-height: 1.6;
  color: #aaa;
}
.footer-bottom {
  margin-top: 40px;
  text-align: center;
  font-size: 16px;
  color: #777;
  border-top: 1px solid #333;
  padding-top: 20px;
}
.requestlink {
  color: var(--gold);
  text-decoration: none;
  font-weight: bold;
}
.contact-area {
  text-align: center;
  padding: 40px;
  background: rgba(20, 20, 20, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  border-top: 2px solid var(--gold);
  margin-top: 20px;
  margin-bottom: 0px;
}
.social-grid {
  display: flex;
  justify-content: center;
  gap: 50px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.social-item {
  text-decoration: none;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: transform 0.3s;
}
.social-item img {
  width: 45px;
  height: 45px;
}
.social-item:hover {
  transform: translateY(-5px);
  color: var(--gold);
} 

/* Responsive Design */
@media (max-width: 1200px) {
  .versions-grid,
  .programs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .comparison-grid,
  .versions-grid,
  .programs-grid {
    grid-template-columns: 1fr;
  }

  .download-three-column {
    grid-template-columns: 1fr;
  }

  .ad-box {
    order: 2;
    min-height: auto;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
  }

  nav {
    display: none;
  }

  .tab-button {
    font-size: 0.75rem;
    padding: 15px 10px;
  }

  .interface-section h2,
  .versions-section h2,
  .programs-section h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 600px) {
  .product-hero h1 {
    font-size: 1.5rem;
  }

  .product-subtitle,
  .interface-description,
  .versions-description,
  .programs-description {
    font-size: 1rem;
  }

  .tab-button {
    font-size: 0.65rem;
    padding: 12px 8px;
  }
}