/* css/style.css */
:root {
  --bg-dark: #0a0a0a;
  --bg-darker: #050505;
  --bg-light: #1a1a1a;
  --text-main: #f0f0f0;
  --text-muted: #a0a0a0;
  --accent: #ffffff;
  --accent-glow: rgba(255, 255, 255, 0.2);
  --border-color: #333333;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--accent-glow); }
  70% { box-shadow: 0 0 0 15px rgba(255,255,255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255, 0); }
}

.fade-in {
  animation: fadeIn 1s ease-out forwards;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(5, 5, 5, 0.8);
  backdrop-filter: blur(10px);
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--text-muted);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 20px;
  background: radial-gradient(circle at center, var(--bg-light) 0%, var(--bg-darker) 100%);
  position: relative;
}

/* Dynamic background dots */
.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 1rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.cta-button {
  display: inline-block;
  padding: 1rem 3rem;
  background-color: var(--accent);
  color: var(--bg-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: 50px;
  transition: all 0.3s;
  animation: pulse 2s infinite;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(255,255,255,0.2);
}

/* General Sections */
section {
  padding: 5rem 5%;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  font-weight: 700;
}

/* Advantages Grid */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.advantage-card {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: center;
}

.advantage-card:hover {
  transform: translateY(-10px);
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(255,255,255,0.05);
}

.advantage-card h3 {
  margin: 1rem 0;
  font-size: 1.5rem;
}

/* Pricing Section */
.pricing-grid {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.pricing-card {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 2.5rem 2rem;
  width: 320px;
  text-align: center;
  transition: all 0.3s;
  position: relative;
}

.pricing-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
}

.pricing-card.hot {
  border-color: rgba(255,255,255,0.5);
  box-shadow: 0 0 30px rgba(255,255,255,0.05);
}

.pricing-card h3 {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.pricing-card .price {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--accent); /* In image they are cyan/teal, but user requested black/white theme */
}

.pricing-card .price span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: normal;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2.5rem;
  text-align: left;
}

.pricing-features li {
  margin-bottom: 0.8rem;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li::before {
  content: "✓";
  color: #fff;
  font-weight: bold;
}

.btn-buy {
  display: block;
  width: 100%;
  padding: 1rem;
  background-color: var(--accent);
  color: var(--bg-dark);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: background 0.3s;
}

.btn-buy:hover {
  background-color: #e0e0e0;
}

/* Status Section */
.status-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-light);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  padding: 2rem;
}

.status-row {
  display: flex;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

.status-row:last-child {
  border-bottom: none;
}

.status-indicator {
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: #4caf50;
  border-radius: 50%;
  margin-right: 10px;
  box-shadow: 0 0 8px #4caf50;
}

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

.review-card {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.review-author {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.review-stars {
  color: #fff;
  margin-bottom: 1rem;
}

/* FAQ Section */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: var(--bg-light);
  color: var(--text-main);
  padding: 1.5rem;
  font-size: 1.1rem;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 0 1.5rem;
  background: var(--bg-darker);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
}

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

.faq-item.active .faq-question {
  border-bottom: 1px solid var(--border-color);
}

/* Knowledge Base */
.kb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.kb-card {
  display: block;
  background: var(--bg-light);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  text-decoration: none;
  color: var(--text-main);
  transition: all 0.3s;
}

.kb-card:hover {
  border-color: var(--accent);
  background: rgba(255,255,255,0.05);
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem 5%;
  border-top: 1px solid var(--border-color);
  background: var(--bg-darker);
}

/* Article Page */
.article-container {
  max-width: 800px;
  margin: 100px auto 50px;
  padding: 2rem;
  background: var(--bg-light);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.article-container h1 {
  margin-bottom: 1.5rem;
}

.article-container p {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.article-container a {
  color: var(--accent);
  text-decoration: underline;
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* simple mobile fix */
  }
  .hero h1 {
    font-size: 2.5rem;
  }
}