/* Dark mode (default) */
:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --bg-card-hover: #263348;
  --bg-input: #0f172a;
  --border: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.2);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-2: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  --gradient-4: linear-gradient(135deg, #22c55e 0%, #06b6d4 100%);
  --radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-bg: rgba(15, 23, 42, 0.92);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --hero-bg: linear-gradient(180deg, #0f172a 0%, #1e1b4b 100%);
  --section-bg: #0f172a;
  --section-alt-bg: #0c1222;
  --sidebar-bg: #0f172a;
  --topbar-bg: rgba(30, 41, 59, 0.8);
  --table-header-bg: rgba(99, 102, 241, 0.1);
  --table-row-hover: rgba(99, 102, 241, 0.05);
  --btn-outline-bg: transparent;
  --btn-outline-color: var(--text-primary);
}

/* Light mode — Premium Design */
[data-theme="light"] {
  --bg-primary: #fafbff;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f5f3ff;
  --bg-input: #f0f0f8;
  --border: #e0e0ef;
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #8888a8;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-2: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  --gradient-4: linear-gradient(135deg, #22c55e 0%, #06b6d4 100%);
  --nav-bg: rgba(255, 255, 255, 0.85);
  --shadow: 0 4px 24px rgba(99, 102, 241, 0.08);
  --hero-bg: linear-gradient(135deg, #eef2ff 0%, #e8e0ff 35%, #f0ecff 70%, #eef2ff 100%);
  --section-bg: #fafbff;
  --section-alt-bg: #f3f1ff;
  --sidebar-bg: #ffffff;
  --topbar-bg: rgba(255, 255, 255, 0.85);
  --table-header-bg: rgba(99, 102, 241, 0.06);
  --table-row-hover: rgba(99, 102, 241, 0.04);
  --btn-outline-bg: #ffffff;
  --btn-outline-color: #1a1a2e;
}

/* Light mode component overrides */
[data-theme="light"] .landing-nav {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(99, 102, 241, 0.08);
  box-shadow: 0 2px 20px rgba(99, 102, 241, 0.06);
}

[data-theme="light"] .landing-nav .nav-links a {
  color: #4a4a6a;
}

[data-theme="light"] .landing-nav .nav-links a:hover {
  color: #6366f1;
}

[data-theme="light"] .hero {
  background: linear-gradient(135deg, #eef2ff 0%, #e8e0ff 40%, #f0ecff 100%) !important;
}

[data-theme="light"] .hero h1 {
  color: #1a1a2e;
}

[data-theme="light"] .hero h1 .gradient {
  color: #6366f1;
}

[data-theme="light"] .hero p {
  color: #4a4a6a;
}

[data-theme="light"] .hero-badge {
  background: rgba(99, 102, 241, 0.1);
  color: #6366f1;
  border-color: rgba(99, 102, 241, 0.2);
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.1);
}

[data-theme="light"] .hero-grid {
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.06) 1px, transparent 1px);
}

[data-theme="light"] .particle {
  background: rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 6px rgba(99, 102, 241, 0.2);
}

[data-theme="light"] .stat-val {
  color: #1a1a2e;
}

[data-theme="light"] .trust-bar {
  background: #f3f1ff;
  border-color: rgba(99, 102, 241, 0.08);
}

[data-theme="light"] .section {
  background: #fafbff;
}

[data-theme="light"] .section-alt {
  background: #f3f1ff;
}

[data-theme="light"] .feature-card {
  background: #fff;
  border-color: #e0e0ef;
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.06);
}

[data-theme="light"] .feature-card:hover {
  border-color: #6366f1;
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.12);
  transform: translateY(-4px);
}

[data-theme="light"] .plat-card {
  background: #fff;
  border-color: #e0e0ef;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.06);
}

[data-theme="light"] .plat-card:hover {
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.3);
}

[data-theme="light"] .platforms-section {
  background: linear-gradient(180deg, #fafbff 0%, #f3f1ff 100%);
}

[data-theme="light"] .service-card {
  background: #fff;
  border-color: #e0e0ef;
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.05);
}

[data-theme="light"] .service-card:hover {
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.2);
}

[data-theme="light"] .hiw-step-num {
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.15);
}

[data-theme="light"] .hiw-step-content {
  background: #fff;
  border-color: #e0e0ef;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.04);
}

[data-theme="light"] .testimonial-card {
  background: #fff;
  border-color: #e0e0ef;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.05);
}

[data-theme="light"] .testimonial-card:hover {
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.1);
}

[data-theme="light"] .showcase-section {
  background: linear-gradient(135deg, #f3f1ff 0%, #eef2ff 100%);
}

[data-theme="light"] .price-card {
  background: #fff;
  border-color: #e0e0ef;
  box-shadow: 0 2px 16px rgba(99, 102, 241, 0.06);
}

[data-theme="light"] .price-card:hover {
  border-color: #6366f1;
}

[data-theme="light"] .blog-card {
  background: #fff;
  border-color: #e0e0ef;
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.05);
}

[data-theme="light"] .cta-section {
  background: linear-gradient(135deg, #4f46e5, #7c3aed, #6366f1);
}

[data-theme="light"] .disclaimer-box {
  background: rgba(245, 158, 11, 0.06);
  border-color: rgba(245, 158, 11, 0.15);
}

[data-theme="light"] .footer-v2 {
  background: #0f172a;
}

[data-theme="light"] .footer {
  background: #0f172a;
  color: #f1f5f9;
}

[data-theme="light"] .sidebar {
  background: var(--sidebar-bg);
  border-color: #e0e0ef;
}

[data-theme="light"] .topbar {
  background: var(--topbar-bg);
  border-color: #e0e0ef;
}

[data-theme="light"] .stat-card {
  background: #fff;
  border-color: #e0e0ef;
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.06);
}

[data-theme="light"] .btn-outline {
  background: #fff;
  color: #1a1a2e;
  border-color: #d8d8ec;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.05);
}

[data-theme="light"] .btn-outline:hover {
  border-color: #6366f1;
  color: #6366f1;
}

[data-theme="light"] table {
  color: #1a1a2e;
}

[data-theme="light"] table tr {
  border-color: #e0e0ef !important;
}

[data-theme="light"] .auth-card {
  background: #fff;
  border-color: #e0e0ef;
  box-shadow: 0 8px 40px rgba(99, 102, 241, 0.08);
}

[data-theme="light"] .auth-container {
  background: linear-gradient(135deg, #fafbff 0%, #f3f1ff 100%);
}

[data-theme="light"] input,
[data-theme="light"] select,
[data-theme="light"] textarea {
  background: #f0f0f8;
  color: #1a1a2e;
  border-color: #d8d8ec;
}

[data-theme="light"] .nav-item {
  color: #4a4a6a;
}

[data-theme="light"] .nav-item:hover,
[data-theme="light"] .nav-item.active {
  background: rgba(99, 102, 241, 0.08);
  color: #6366f1;
}

[data-theme="light"] .extra-badge {
  background: #fff;
  border-color: #e0e0ef;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.06);
}

[data-theme="light"] .section-title {
  color: #1a1a2e;
}

[data-theme="light"] .section-sub {
  color: #4a4a6a;
}


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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
}

a {
  color: var(--accent);
  text-decoration: none;
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

/* Theme toggle button */
.theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--text-secondary);
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}