/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 1rem;
}

.btn-primary {
  background: var(--brand-primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-colored);
}

.btn-primary:hover {
  background: var(--brand-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 25px 40px -10px rgba(255, 140, 0, 0.4);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  transform: translateY(-2px);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  transition: all var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.logo-img {
  height: 80px;
  width: auto;
  display: block;
  object-fit: contain;
}

.logo-icon-wrap {
  width: 40px;
  height: 40px;
  background: var(--brand-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
}

.nav-links a {
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand-primary);
  transition: width var(--transition);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
}

/* Footer */
.site-footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
  color: var(--text-inverse);
  margin-bottom: var(--space-md);
}

.footer-brand p {
  max-width: 300px;
  margin-bottom: var(--space-md);
}

.footer-socials {
  display: flex;
  gap: var(--space-md);
}

.footer-socials a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
}

.footer-socials a:hover {
  background: var(--brand-primary);
  transform: translateY(-2px);
}

.footer-title {
  color: var(--text-inverse);
  margin-bottom: var(--space-lg);
  font-size: 1.125rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a:hover {
  color: var(--brand-primary);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-lg);
}

/* Feature Cards */
.feature-card {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid var(--gray-100);
  position: relative;
  overflow: hidden;
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-primary);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--bg-light);
  color: var(--brand-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.feature-card h3 {
  margin-bottom: var(--space-sm);
}

.feature-card p {
  color: var(--text-secondary);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.badge-primary {
  background: rgba(255, 140, 0, 0.1);
  color: var(--brand-primary);
}

/* Responsive */
@media (max-width: 992px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.625rem; /* increased size */
    color: var(--text-primary);
    padding: 6px;
    transition: transform var(--transition), color var(--transition);
  }

  .mobile-menu-btn:hover {
    color: var(--brand-primary);
    transform: scale(1.08);
  }

  .mobile-menu-btn:active {
    transform: scale(0.95);
  }

  /* Reduce Open App button size on mobile header */
  .site-header .header-actions .btn {
    padding: 8px 16px; /* reduced padding */
    font-size: 0.875rem; /* reduced font-size */
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  /* Brand spans full width; the 3 nav columns stay side by side with a smaller gap */
  .footer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-md); /* reduced from 48px to 16px */
    margin-bottom: var(--space-xl);
  }

  .footer-brand {
    grid-column: 1 / -1; /* full width */
    margin-bottom: var(--space-md);
  }

  .footer-title {
    font-size: 0.95rem; /* slightly smaller headers */
    margin-bottom: var(--space-sm);
  }

  .footer-links {
    gap: var(--space-xs); /* tighter vertical gap */
  }

  .footer-links a {
    font-size: 0.8125rem; /* smaller font size for mobile links */
    word-break: break-word; /* prevent overflow */
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
    padding-top: var(--space-lg);
  }

  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xs) var(--space-md); /* smaller row gap, reasonable col gap */
    font-size: 0.8125rem;
  }
}