:root {
  --bg-color: #0f0c29;
  --bg-gradient: linear-gradient(to right, #24243e, #302b63, #0f0c29);
  --primary-color: #ff00cc;
  --secondary-color: #333399;
  --text-color: #ffffff;
  --text-muted: #b3b3b3;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --accent-gradient: linear-gradient(45deg, #ff00cc, #333399);
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font-main);
  background: var(--bg-color);
  background: var(--bg-gradient);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
}

p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: opacity 0.3s ease;
}

a:hover {
  opacity: 0.8;
}

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

section {
  padding: 5rem 0;
}

/* Header/Hero */
header {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.hero-content {
  z-index: 2;
  max-width: 800px;
}

.app-icon {
  width: 150px;
  height: 150px;
  border-radius: 30px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  margin-bottom: 2rem;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

.btn-download {
  display: inline-block;
  background: var(--text-color);
  color: #000;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.2rem;
  margin-top: 2rem;
  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.2);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(255, 255, 255, 0.3);
}

.btn-download img {
  height: 24px;
  vertical-align: middle;
  margin-right: 10px;
}

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

.feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  padding: 2.5rem;
  border-radius: 20px;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.1);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

/* Footer */
footer {
  background: rgba(0, 0, 0, 0.3);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
  border-top: 1px solid var(--glass-border);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.copyright {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  opacity: 0.6;
}

/* Mobile Tweaks */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  .container { padding: 0 1.5rem; }
}

/* FAQ Section */
.faq-section {
  padding: 5rem 0;
}
.faq-section h2 {
  text-align: center;
  margin-bottom: 3rem;
}
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.faq-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 1.4rem 1.6rem;
}
.faq-item h3 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: #fff;
}
.faq-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}
@media (max-width: 600px) {
  .faq-section { padding: 3.5rem 0; }
  .faq-item { padding: 1.1rem 1.2rem; }
}