:root {
  --bg-dark: #121214;
  --bg-card: #1c1c20;
  --bg-card-hover: #26262b;
  --primary: #f5a623;
  --primary-hover: #e0951c;
  --text-main: #f2f2f2;
  --text-muted: #a0a0a5;
  --border: #333338;
  --radius: 12px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background-color: rgba(18, 18, 20, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 0.5px;
}

.brand img {
  height: 32px;
  border-radius: 8px;
}

.nav-links {
  display: none;
  gap: 24px;
  font-size: 15px;
  color: var(--text-muted);
}

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

.header-cta {
  display: none;
  background-color: var(--primary);
  color: #000;
  padding: 8px 20px;
  border-radius: 20px;
  font-weight: bold;
  font-size: 14px;
  transition: background 0.3s;
}

.header-cta:hover {
  background-color: var(--primary-hover);
}

/* Hero Section */
.hero {
  padding: 60px 0 40px;
  text-align: center;
  background: linear-gradient(180deg, rgba(245, 166, 35, 0.1) 0%, var(--bg-dark) 100%);
}

.hero h1 {
  font-size: 32px;
  line-height: 1.3;
  margin-bottom: 16px;
  font-weight: 800;
}

.hero p {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-btn {
  display: inline-block;
  background-color: var(--primary);
  color: #000;
  padding: 14px 40px;
  border-radius: 30px;
  font-size: 18px;
  font-weight: bold;
  transition: transform 0.2s, background-color 0.3s;
}

.hero-btn:hover {
  transform: translateY(-2px);
  background-color: var(--primary-hover);
}

/* Sections General */
section {
  padding: 60px 0;
}

.section-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title::before {
  content: "";
  display: block;
  width: 4px;
  height: 20px;
  background-color: var(--primary);
  border-radius: 2px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 32px;
}

/* Grid Layouts */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

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

/* Cards */
.card {
  background-color: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s, background-color 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  background-color: var(--bg-card-hover);
}

.card-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.card-info {
  padding: 12px;
}

.card-title {
  font-size: 15px;
  font-weight: bold;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--primary);
  background-color: rgba(245, 166, 35, 0.15);
  padding: 2px 8px;
  border-radius: 4px;
}

/* Feature Box */
.feature-box {
  background-color: var(--bg-card);
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.feature-box h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--primary);
}

.feature-box p {
  font-size: 14px;
  color: var(--text-muted);
}

/* FAQ Section */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--bg-card);
  padding: 20px;
  border-radius: var(--radius);
}

.faq-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.faq-item p {
  font-size: 14px;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 40px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

.site-footer p {
  margin-bottom: 8px;
}

.site-footer a {
  color: var(--text-muted);
  transition: color 0.3s;
}

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

/* Responsive */
@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
  .header-cta {
    display: inline-block;
  }
  .hero h1 {
    font-size: 44px;
  }
  .hero p {
    font-size: 18px;
  }
  .grid-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .grid-features {
    grid-template-columns: repeat(2, 1fr);
  }
  .faq-list {
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .hero {
    padding: 80px 0 60px;
  }
  .grid-cards {
    grid-template-columns: repeat(5, 1fr);
  }
  .grid-features {
    grid-template-columns: repeat(3, 1fr);
  }
}