@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Colors */
  --bg-primary: #09090b;      /* AppColors.zinc950 */
  --bg-secondary: #18181b;    /* AppColors.zinc900 */
  --bg-card: #222226;
  --border-color: #27272a;    /* AppColors.zinc800 */
  --text-primary: #f4f4f5;    /* AppColors.zinc100 */
  --text-secondary: #a1a1aa;  /* AppColors.zinc400 */
  --accent-cyan: #06b6d4;     /* AppColors.cyan500 */
  --accent-cyan-hover: #22d3ee; /* AppColors.cyan400 */
  --accent-violet: #8b5cf6;   /* AppColors.violet500 */
  --accent-rose: #f43f5e;     /* AppColors.rose500 */
  --accent-gradient: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet));
  --glow-shadow: 0 0 20px rgba(6, 182, 212, 0.15);

  /* Fonts */
  --font-headings: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing & Borders */
  --border-radius: 12px;
  --transition-speed: 0.3s;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-cyan); /* bot-readable fallback */
  text-decoration: none;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: contain;
  box-shadow: var(--glow-shadow);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-speed) ease;
}

nav a:hover, nav a.active {
  color: var(--accent-cyan);
}

/* App Identity Section — first visible block, clearly states app name & purpose */
.app-identity {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.07), rgba(139, 92, 246, 0.07));
  border-bottom: 1px solid var(--border-color);
  padding: 2.5rem 2rem;
}

.identity-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.identity-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  flex-shrink: 0;
  box-shadow: var(--glow-shadow);
}

.identity-text h1 {
  font-family: var(--font-headings);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--accent-cyan); /* bot-readable fallback */
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.identity-tagline {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 760px;
}

.identity-tagline strong {
  color: var(--text-primary);
}

.identity-tagline code {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-cyan);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

@media (max-width: 600px) {
  .identity-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .identity-text h1 {
    font-size: 1.6rem;
  }
}

/* Hero Section */
.hero {
  padding: 4rem 2rem 4rem 2rem;
  text-align: center;
  background: radial-gradient(circle at top, rgba(6, 182, 212, 0.08), transparent 50%);
  flex: 1 0 auto;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

h1 {
  font-family: var(--font-headings);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  color: var(--text-primary); /* bot-readable fallback */
  background: linear-gradient(to right, #ffffff, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h1 span {
  color: var(--accent-cyan); /* bot-readable fallback */
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--accent-cyan); /* bot-readable fallback */
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-group {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: var(--border-radius);
  font-family: var(--font-headings);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition-speed) ease;
}

.btn-primary {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  box-shadow: var(--glow-shadow);
}

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

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-secondary);
  transform: translateY(-2px);
}

/* Features grid */
.features {
  padding: 4rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius);
  transition: all var(--transition-speed) ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--accent-cyan);
  transition: height var(--transition-speed) ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
  height: 100%;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1.25rem;
  display: inline-block;
  color: var(--accent-cyan); /* bot-readable fallback */
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.feature-card h3 {
  font-family: var(--font-headings);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Content Pages (Privacy Policy, Terms of Service) */
.page-content {
  flex: 1 0 auto;
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.policy-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 3.5rem;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.policy-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2rem;
  margin-bottom: 2.5rem;
}

.policy-header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  background: var(--text-primary);
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
}

.policy-date {
  color: var(--accent-cyan);
  font-weight: 500;
  font-size: 0.95rem;
}

.policy-body h2 {
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem 0;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 0.5rem;
}

.policy-body h3 {
  font-family: var(--font-headings);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem 0;
  color: var(--accent-cyan);
}

.policy-body p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

.policy-body ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.policy-body li {
  margin-bottom: 0.5rem;
}

.policy-body blockquote {
  background: rgba(6, 182, 212, 0.05);
  border-left: 4px solid var(--accent-cyan);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  margin: 1.5rem 0;
}

.policy-body blockquote p {
  margin-bottom: 0;
  color: var(--text-primary);
  font-weight: 500;
}

.policy-body a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

.policy-body a:hover {
  color: var(--accent-cyan-hover);
  text-decoration: underline;
}

/* Footer */
footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem;
  text-align: center;
  flex-shrink: 0;
}

.footer-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

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

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-speed) ease;
}

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

.copyright {
  color: #52525b; /* AppColors.zinc600 */
  font-size: 0.85rem;
}

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

.animate-fade-in {
  animation: fadeInUp 0.8s ease forwards;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  .nav-container {
    flex-direction: column;
    gap: 1rem;
  }
  nav ul {
    gap: 1.25rem;
  }
  .policy-card {
    padding: 2rem 1.5rem;
  }
  .policy-header h1 {
    font-size: 2rem;
  }
}