:root {
  --bg-color: #0b0f19;
  --bg-card: #111827;
  --bg-card-hover: #1f2937;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --border-color: #1f2937;
  --border-light: #374151;
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-emerald: #10b981;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --container-max: 1100px;
}

* {
  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-color);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #38bdf8;
  text-decoration: underline;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
header {
  border-bottom: 1px solid var(--border-color);
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4rem;
}

.brand-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.02em;
}

.brand-logo:hover {
  text-decoration: none;
  opacity: 0.9;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: #fff;
  text-decoration: none;
}

/* Hero Section */
.hero {
  padding: 5rem 0 3.5rem;
  text-align: center;
  background: radial-gradient(circle at 50% 20%, rgba(6, 182, 212, 0.08) 0%, transparent 60%);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  background: rgba(31, 41, 55, 0.7);
  border: 1px solid var(--border-light);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  background: linear-gradient(180deg, #ffffff 0%, #9ca3af 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 2rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #0b0f19;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.35);
  text-decoration: none;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  text-decoration: none;
}

/* Sections */
.section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--border-color);
}

.section-header {
  margin-bottom: 2.5rem;
  text-align: center;
}

.section-title {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Grid & Cards */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: 860px;
  margin: 0 auto;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
}

.app-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.app-card-header {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1rem;
}

/* App Icon: Scaled to clean, modern app store proportions */
.app-icon {
  width: 48px;
  height: 48px;
  border-radius: 11px;
  background: #111827;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.35);
}

.app-icon img,
.app-detail-icon img,
.app-card-header img {
  width: 100% !important;
  height: 100% !important;
  max-width: 100% !important;
  max-height: 100% !important;
  object-fit: cover !important;
  display: block !important;
  flex-shrink: 0 !important;
}

/* Header icon in app detail pages */
.app-detail-icon {
  width: 56px;
  height: 56px;
  border-radius: 13px;
  background: #111827;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.app-detail-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.app-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.15rem;
}

.app-card-category {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.app-card-body {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
  line-height: 1.6;
}

.app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.15rem;
}

.tag {
  background: #1f2937;
  color: #d1d5db;
  font-size: 0.72rem;
  padding: 0.18rem 0.45rem;
  border-radius: 4px;
}

.tag-accent {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.app-card-links {
  display: flex;
  gap: 1rem;
  border-top: 1px solid var(--border-color);
  padding-top: 0.85rem;
  font-size: 0.85rem;
}

/* Content Pages (Privacy, Policy, Doc) */
.doc-content {
  max-width: 800px;
  margin: 3rem auto;
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.doc-content h1 {
  font-size: 1.85rem;
  margin-bottom: 0.5rem;
}

.doc-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.doc-content h2 {
  font-size: 1.35rem;
  margin: 1.75rem 0 0.75rem;
  color: #fff;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.4rem;
}

.doc-content p, .doc-content ul {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.doc-content ul {
  padding-left: 1.5rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
  list-style: none;
}

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

.footer-links a:hover {
  color: #fff;
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 2rem;
  }
  .nav-bar {
    flex-direction: column;
    height: auto;
    padding: 1rem 0;
    gap: 0.75rem;
  }
  .hero-cta {
    flex-direction: column;
  }
  .app-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
  }
  .app-detail-icon {
    width: 48px;
    height: 48px;
    border-radius: 11px;
  }
  .doc-content {
    padding: 1.5rem;
    margin: 1.5rem auto;
  }
}