:root {
    /* Theme Base */
    --bg-color: #050505;
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(20px);
    
    /* Brand Colors - Muted for Eye Comfort */
    --primary-cyan: #0ea5e9;    /* More professional sky blue */
    --electric-blue: #2563eb;   /* Standard royal blue */
    --neon-purple: #8b5cf6;     /* Softer violet */
    --accent-success: #10b981;  /* Emerald green */
    --success-bg: rgba(16, 185, 129, 0.1);
    --success-border: rgba(16, 185, 129, 0.2);
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;

    /* Theme Transition */
    --theme-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-bg: rgba(10, 10, 15, 0.7);
    --header-border: rgba(255, 255, 255, 0.1);
    --pricing-card-bg: rgba(20, 20, 30, 0.6);
    --pricing-card-shadow: 0 10px 40px rgba(0,0,0,0.5);
    --feature-item-bg: rgba(14, 165, 233, 0.05);
    --logo-invert: 0;
    
    /* Global Title Effects */
    --title-gradient-start: #ffffff;
    --title-glow: rgba(14, 165, 233, 0.4);
    --title-color: #ffffff;
    
    /* Global Component Base */
    --card-bg: rgba(20, 20, 30, 0.4);
    --card-border: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] {
    --bg-color: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #475569;
    --accent-success: #15803d; /* Darker forest green */
    --success-bg: rgba(21, 128, 61, 0.1);
    --success-border: rgba(21, 128, 61, 0.2);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(15, 23, 42, 0.1);
    --glass-blur: blur(10px);
    
    /* Refine brands for light mode if needed */
    --primary-cyan: #0891b2;
    --electric-blue: #2563eb;
    --neon-purple: #9333ea;
    --header-bg: rgba(255, 255, 255, 0.8);
    --header-border: rgba(15, 23, 42, 0.1);
    --pricing-card-bg: #ffffff;
    --pricing-card-shadow: 0 10px 40px rgba(15, 23, 42, 0.1);
    --feature-item-bg: rgba(15, 23, 42, 0.03);
    --logo-invert: 1;
    
    /* Global Component Base */
    --card-bg: #ffffff;
    --card-border: rgba(15, 23, 42, 0.1);
    
    /* Refine Typography for Light Mode */
    --text-main: #020617;
    --text-muted: #334155;

    /* Global Title Effects */
    --title-gradient-start: var(--text-main);
    --title-glow: rgba(14, 165, 233, 0);
    --title-color: var(--text-main);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-main);
    min-height: 100vh;
    width: 100vw;
    /* overflow-x: clip; */
    transition: var(--theme-transition);
}

/* Ultra-Aggressive Light Mode Title Force */
html[data-theme="light"] .hero-title,
html[data-theme="light"] .hero-title *,
html[data-theme="light"] .pricing-title,
html[data-theme="light"] .tool-title,
html[data-theme="light"] .dashboard-title,
html[data-theme="light"] h1,
html[data-theme="light"] h2,
html[data-theme="light"] h3 {
    background: none !important;
    -webkit-text-fill-color: var(--text-main) !important;
    color: var(--text-main) !important;
    text-shadow: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    background-clip: border-box !important;
    -webkit-background-clip: border-box !important;
}

html[data-theme="light"] .gradient-text {
    background: none !important;
    -webkit-text-fill-color: var(--electric-blue) !important;
    color: var(--electric-blue) !important;
}

/* Background Effects */
#techCanvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 0;
}

.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    z-index: 1;
    pointer-events: none;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-cyan);
    top: -100px;
    right: -100px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--neon-purple);
    bottom: -150px;
    left: -150px;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--electric-blue);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Layout */
html {
    max-width: 100vw;
    /* overflow-x: clip; */
}

body {
    max-width: 100vw;
    /* overflow-x: clip; */
}

.main-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 150px 3rem 2rem 3rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: clip;
}

header {
    padding-bottom: clamp(2rem, 5vh, 4rem);
}


.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.logo-vida { color: var(--text-main); }
.logo-nexus { color: var(--primary-cyan); }

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-top: 2rem; /* Reduced clearance */
}

.badge {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1.25rem;
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-cyan);
    animation: pulse 2s infinite;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-cyan) 0%, var(--electric-blue) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 3rem;
    line-height: 1.6;
}

/* Glass Panels */
.glass-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    border-radius: 24px;
    padding: 2.5rem;
    width: 100%;
    max-width: 800px;
    margin-bottom: 4rem;
    transition: var(--theme-transition);
}

/* Form Styles */
.notify-form {
    display: flex;
    gap: 1rem;
    width: 100%;
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-cyan);
}

input[type="email"], input[type="text"], input[type="password"] {
    width: 100%;
    background: rgba(var(--text-main), 0.05);
    border: 1px solid var(--glass-border);
    padding: 1.25rem 1.25rem 1.25rem 3.5rem;
    border-radius: 12px;
    color: var(--text-main);
    font-family: inherit;
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 15px rgba(14, 165, 233, 0.2);
}

.notify-btn {
    background: linear-gradient(135deg, var(--primary-cyan) 0%, var(--electric-blue) 100%);
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    color: #000;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: transform 0.3s ease;
}

.notify-btn:hover {
    transform: translateY(-2px);
}

/* Feature Chips */
.features-preview {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 4rem;
}

.feature-chip {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.75rem 1.25rem;
    border-radius: 100px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-chip:hover {
    border-color: var(--primary-cyan);
    background: rgba(var(--primary-cyan), 0.1);
}

/* Grid for Home Page */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    width: 100%;
}

.tool-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.tool-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-cyan);
}

.tool-icon {
    width: 60px;
    height: 60px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-cyan);
    margin-bottom: 1.5rem;
}

.tool-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.tool-card p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Animations */
@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.5; }
    100% { transform: scale(1); opacity: 1; }
}

/* Mobile Navigation & Sidebar */
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 2000;
}

/* High-Fidelity Dribbble Theme Toggle */
.theme-switch-dribbble {
    position: relative;
    display: flex;
    align-items: center;
    width: 68px;
    height: 34px;
    cursor: pointer;
}

.theme-switch-dribbble input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    appearance: none;
    -webkit-appearance: none;
}

.dribbble-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #83d8ff; /* Day sky */
    transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 34px;
    overflow: hidden;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dribbble-slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: #ffcf47; /* Sun */
    transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 0 15px rgba(255, 207, 71, 0.4);
}

/* Dark Mode State (Checked) */
input:checked + .dribbble-slider {
    background-color: #2b2b2b; /* Night sky */
}

input:checked + .dribbble-slider:before {
    transform: translateX(34px);
    background-color: #d1d1d1; /* Moon color */
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

/* Craters for Moon */
.dribbble-slider .crater {
    position: absolute;
    background-color: #a5a5a5;
    border-radius: 50%;
    opacity: 0;
    transition: 0.5s;
    z-index: 3;
}

.crater-1 { width: 4px; height: 4px; top: 8px; left: 45px; }
.crater-2 { width: 6px; height: 6px; top: 16px; left: 52px; }
.crater-3 { width: 3px; height: 3px; top: 22px; left: 44px; }

input:checked + .dribbble-slider .crater {
    opacity: 1;
}

/* Stars for Night */
.dribbble-slider .star {
    position: absolute;
    background-color: #ffffff;
    border-radius: 50%;
    opacity: 0;
    transition: 0.5s;
}

.star-1 { width: 2px; height: 2px; top: 8px; left: 15px; }
.star-2 { width: 3px; height: 3px; top: 18px; left: 10px; }
.star-3 { width: 2px; height: 2px; top: 24px; left: 22px; }

input:checked + .dribbble-slider .star {
    opacity: 0.8;
    animation: twinkle 2s infinite alternate;
}

@keyframes twinkle {
    from { opacity: 0.3; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1.1); }
}

/* Cloud for Day */
.dribbble-slider .cloud {
    position: absolute;
    background-color: #ffffff;
    border-radius: 50%;
    opacity: 1;
    transition: 0.5s;
}

.cloud-1 { width: 12px; height: 12px; top: 18px; left: 40px; }
.cloud-2 { width: 10px; height: 10px; top: 10px; left: 46px; }

input:checked + .dribbble-slider .cloud {
    opacity: 0;
    transform: translateX(-20px);
}

.mobile-sidebar {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100vh;
    background: var(--card-bg);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1500;
    padding: 1.75rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-sidebar.active {
    right: 0;
    box-shadow: -20px 0 50px rgba(0, 0, 0, 0.5);
}

.mobile-sidebar a, .mobile-sidebar form button {
    color: var(--text-main);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.2s ease;
    background: none;
    border: none;
    cursor: pointer;
    text-align: center;
    width: 100%;
}

.mobile-sidebar a:hover, .mobile-sidebar form button:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary-cyan);
    transform: translateX(5px);
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    z-index: 1400;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 992px) {
    .desktop-nav { display: none !important; }
    .hamburger { display: block; position: absolute !important; right: 1.25rem !important; top: 50% !important; transform: translateY(-50%) !important; }
    header, #site-header { position: sticky !important; top: 0 !important; z-index: 1000 !important; justify-content: center !important; }
    .header-logo-link { margin: 0 auto !important; display: flex !important; align-items: center !important; justify-content: center !important; }
    
    .hero-title { 
        font-size: clamp(2rem, 8vw, 3.5rem); 
        line-height: 1.1;
    }
    
    .notify-form { flex-direction: column; gap: 1rem; }
    .glass-panel { padding: 1.25rem; border-radius: 20px; }
    
    .main-container { 
        padding: 80px 1rem 2rem; 
    }
    
    .logo-img { height: 32px; }
    .logo-text { font-size: 1.2rem; }
    
    .section-title {
        font-size: clamp(1.8rem, 6vw, 2.8rem);
        margin-bottom: 1rem;
    }
    
    .tool-title { font-size: clamp(1.8rem, 6vw, 2.5rem); }
    .tool-tagline { font-size: 1rem; }
    .pricing-title { font-size: clamp(2rem, 7vw, 3rem); }
    
    .feature-item { padding: 1rem; }
    .tool-description { padding: 1rem; font-size: 0.95rem; line-height: 1.6; }
    
    /* Ensure tool grids stack cleanly */
    .tools-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .features-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .pricing-grid { grid-template-columns: 1fr; gap: 2rem; align-items: stretch; }
}

/* Global Responsive Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Premium Footer */
.app-footer {
    background: var(--card-bg);
    border-top: 1px solid var(--glass-border);
    padding: 5rem 0 2rem;
    margin-top: 6rem;
    position: relative;
    z-index: 10;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-main);
    text-decoration: none;
    margin-bottom: 1.5rem;
}

.footer-logo strong {
    color: var(--primary-cyan);
}

.footer-bio {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-col h4 {
    color: var(--text-main);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--theme-transition);
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--primary-cyan);
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.footer-contact i {
    color: var(--primary-cyan);
    background: rgba(14, 165, 233, 0.1);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: var(--text-muted);
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--theme-transition);
    font-size: 1.2rem;
    text-decoration: none !important;
}

.footer-social a i {
    text-decoration: none !important;
    border: none !important;
}

.footer-social a:hover {
    color: var(--primary-cyan);
    border-color: var(--primary-cyan);
    transform: translateY(-3px);
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}

/* Global Header Components (Extracted from partials) */
.desktop-nav.glass-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    backdrop-filter: var(--glass-blur);
}

.desktop-nav .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.desktop-nav .logo-text {
    color: var(--text-main);
    font-size: 1.4rem;
}

.desktop-nav .logo-text strong {
    color: var(--primary-cyan);
    font-weight: 800;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--theme-transition);
}

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

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

@media (max-width: 900px) {
    .desktop-nav.glass-panel {
        display: none !important;
    }
    .mobile-header.glass-panel {
        display: flex !important;
    }
}

/* ═══════════════════════════════════════════════════════════════
   PREMIUM BUTTON DESIGN SYSTEM (.vn-btn)
   ═══════════════════════════════════════════════════════════════ */

/* ── Base Button ── */
.vn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1.75rem;
    border-radius: 12px;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    font-size: 0.925rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1.4;
    text-decoration: none;
    cursor: pointer;
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
    white-space: nowrap;
}

.vn-btn:active {
    transform: scale(0.97);
}

/* ── Primary Button ── */
.vn-btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 50%, #1d4ed8 100%);
    color: #fff;
    box-shadow:
        0 1px 2px rgba(37, 99, 235, 0.15),
        0 4px 12px rgba(37, 99, 235, 0.20),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.vn-btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 50%, #1e40af 100%);
    box-shadow:
        0 2px 4px rgba(37, 99, 235, 0.18),
        0 8px 24px rgba(37, 99, 235, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
    color: #fff;
    text-decoration: none;
}

.vn-btn-primary:active {
    transform: translateY(0) scale(0.98);
    box-shadow:
        0 1px 2px rgba(37, 99, 235, 0.12),
        inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* ── Secondary Button ── */
.vn-btn-secondary {
    background: var(--card-bg, rgba(255, 255, 255, 0.06));
    color: var(--text-main, #fff);
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.08));
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.vn-btn-secondary:hover {
    background: var(--glass-bg, rgba(255, 255, 255, 0.1));
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
    color: var(--text-main, #fff);
    text-decoration: none;
}

/* ── Outline Button ── */
.vn-btn-outline {
    background: transparent;
    color: #3b82f6;
    border: 1.5px solid #3b82f6;
    box-shadow: none;
}

.vn-btn-outline:hover {
    background: rgba(59, 130, 246, 0.08);
    color: #2563eb;
    border-color: #2563eb;
    box-shadow: 0 2px 10px rgba(59, 130, 246, 0.15);
    transform: translateY(-1px);
    text-decoration: none;
}

/* ── Ghost Button ── */
.vn-btn-ghost {
    background: transparent;
    color: var(--text-muted, #94a3b8);
    border: none;
    padding: 0.6rem 1.25rem;
}

.vn-btn-ghost:hover {
    background: var(--card-bg, rgba(255, 255, 255, 0.06));
    color: var(--text-main, #fff);
}

/* ── Light Mode Adjustments ── */
html[data-theme="light"] .vn-btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 50%, #1e40af 100%);
    box-shadow:
        0 1px 2px rgba(30, 64, 175, 0.12),
        0 4px 12px rgba(30, 64, 175, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

html[data-theme="light"] .vn-btn-primary:hover {
    box-shadow:
        0 2px 4px rgba(30, 64, 175, 0.15),
        0 8px 24px rgba(30, 64, 175, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

html[data-theme="light"] .vn-btn-secondary {
    background: #fff;
    color: #1e293b;
    border-color: #e2e8f0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

html[data-theme="light"] .vn-btn-secondary:hover {
    background: #f8fafc;
    border-color: #3b82f6;
    color: #1e293b;
}

html[data-theme="light"] .vn-btn-ghost {
    color: #64748b;
}

html[data-theme="light"] .vn-btn-ghost:hover {
    background: #f1f5f9;
    color: #1e293b;
}

/* ── Light Mode: Mobile Sidebar & Hamburger ── */
html[data-theme="light"] .mobile-sidebar {
    background: rgba(255, 255, 255, 0.97);
    border-left: 1px solid rgba(15, 23, 42, 0.1);
    box-shadow: -10px 0 40px rgba(15, 23, 42, 0.1);
}

html[data-theme="light"] .mobile-sidebar.active {
    box-shadow: -20px 0 50px rgba(15, 23, 42, 0.15);
}

html[data-theme="light"] .mobile-sidebar a,
html[data-theme="light"] .mobile-sidebar form button {
    color: #1e293b;
}

html[data-theme="light"] .mobile-sidebar a:hover,
html[data-theme="light"] .mobile-sidebar form button:hover {
    background: rgba(15, 23, 42, 0.05);
    color: var(--primary-cyan);
}

html[data-theme="light"] .mobile-overlay {
    background: rgba(15, 23, 42, 0.3);
}

html[data-theme="light"] .hamburger {
    color: #1e293b;
}

/* ── Global Theme Compatibility & Utilities ── */
html[data-theme="light"] .glass-card,
html[data-theme="light"] .vn-card-glass {
    background: rgba(255, 255, 255, 0.9) !important;
    border-color: rgba(15, 23, 42, 0.08) !important;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05) !important;
}

/* Tailwind Opacity Overrides (Comprehensive) */
html[data-theme="light"] .bg-white\/5,
html[data-theme="light"] .bg-white\/10,
html[data-theme="light"] .bg-white\/3,
html[data-theme="light"] .bg-white\/2,
html[data-theme="light"] .bg-white\/1,
html[data-theme="light"] .bg-white\/\[0\.01\],
html[data-theme="light"] .bg-white\/\[0\.02\],
html[data-theme="light"] .bg-white\/\[0\.03\],
html[data-theme="light"] .bg-white\/\[0\.05\],
html[data-theme="light"] .bg-black\/5,
html[data-theme="light"] .bg-black\/10,
html[data-theme="light"] .bg-black\/40 {
    background-color: rgba(15, 23, 42, 0.04) !important;
}

html[data-theme="light"] .border-white\/5,
html[data-theme="light"] .border-white\/10,
html[data-theme="light"] .border-white\/20,
html[data-theme="light"] .border-black\/10 {
    border-color: rgba(15, 23, 42, 0.08) !important;
}


/* Bootstrap & Common Class Overrides */
html[data-theme="light"] .bg-dark {
    background-color: #ffffff !important;
}

html[data-theme="light"] .text-white {
    color: var(--text-main) !important;
}

html[data-theme="light"] .text-gray-200,
html[data-theme="light"] .text-gray-300 {
    color: #475569 !important;
}

html[data-theme="light"] .text-gray-400 {
    color: #64748b !important;
}

html[data-theme="light"] .text-gray-500 {
    color: #94a3b8 !important;
}

/* Specific Accent Tints */
html[data-theme="light"] .bg-primary-cyan\/10 {
    background-color: rgba(14, 165, 233, 0.1) !important;
}

html[data-theme="light"] .bg-primary-purple\/10 {
    background-color: rgba(147, 51, 234, 0.1) !important;
}

/* Form Elements */
html[data-theme="light"] input::placeholder,
html[data-theme="light"] textarea::placeholder {
    color: #94a3b8 !important;
}

/* Custom Component Fixes from Tools */
html[data-theme="light"] .bg-white-5 {
    background: rgba(15, 23, 42, 0.03) !important;
}

html[data-theme="light"] .keyword-num {
    background: #f8fafc !important;
    border-color: #e2e8f0 !important;
}

html[data-theme="light"] .keyword-row {
    background: #ffffff !important;
}

html[data-theme="light"] .keyword-row:hover {
    background: rgba(14, 165, 233, 0.04) !important;
}

html[data-theme="light"] .keyword-action-btn {
    background: #f8fafc !important;
    border-color: #e2e8f0 !important;
}


/* ── Responsive ── */
@media (max-width: 768px) {
    .vn-btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.875rem;
    }
}

/* PRICING & UPGRADE CARDS */
.pricing-grid {
    align-items: stretch;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    max-width: 1400px;
    margin: 0 auto 6rem;
    padding: 0 1rem;
}
.pricing-card {
    background: var(--pricing-card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 0; /* Changed to 0 to allow header to span full width */
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    box-shadow: var(--pricing-card-shadow);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}
.plan-header {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, transparent 100%);
    padding: 2rem 1.25rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 1.5rem;
}
.plan-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.25rem;
    background: var(--feature-item-bg);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-cyan);
    position: relative;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
}
.plan-icon i {
    filter: drop-shadow(0 0 8px rgba(14, 165, 233, 0.4));
}
.pricing-card.recommended-card .plan-icon {
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary-cyan);
    border-color: rgba(14, 165, 233, 0.3);
}
.pricing-card.popular-card .plan-icon {
    background: rgba(191, 0, 255, 0.1);
    color: #bf00ff;
    border-color: rgba(191, 0, 255, 0.3);
}
.pricing-card.popular-card .plan-icon i {
    filter: drop-shadow(0 0 8px rgba(191, 0, 255, 0.4));
}
.pricing-card.elite-card .plan-icon { /* for eventual elite class */
    background: rgba(255, 204, 0, 0.1);
    color: #ffcc00;
    border-color: rgba(255, 204, 0, 0.3);
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-cyan);
    box-shadow: 0 20px 40px rgba(14, 165, 233, 0.1);
}
.pricing-card.popular-card:hover {
    border-color: #bf00ff;
    box-shadow: 0 20px 40px rgba(191, 0, 255, 0.1);
}

.plan-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 6px;
    backdrop-filter: blur(10px);
    z-index: 10;
    border: 1px solid rgba(255,255,255,0.1);
    animation: badgeFloat 3s ease-in-out infinite;
}
@keyframes badgeFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}
.badge-recommended {
    background: rgba(14, 165, 233, 0.15);
    color: var(--primary-cyan);
    border-color: rgba(14, 165, 233, 0.3);
}
.badge-popular {
    background: rgba(191, 0, 255, 0.15);
    color: #bf00ff;
    border-color: rgba(191, 0, 255, 0.3);
}
.badge-current {
    background: rgba(0, 255, 170, 0.15);
    color: var(--accent-success);
    border-color: rgba(0, 255, 170, 0.3);
    top: 15px;
    right: 15px;
}

.plan-name {
    font-size: 1.4rem;
    font-family: var(--font-heading);
    color: var(--text-main);
    margin-bottom: 0.25rem;
}
.plan-price {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
    margin: 0;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.4rem;
}
.plan-price span {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 400;
}
.plan-body {
    padding: 0 1.5rem 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.plan-credits {
    color: var(--primary-cyan);
    font-size: 0.85rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    display: inline-block;
    background: var(--feature-item-bg);
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.feature-category {
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 800;
    margin: 1.25rem 0 0.75rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 6px;
    text-align: left;
}
.feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}
.feature-list li {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 0.6rem;
}
.feature-item-main {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    text-align: left;
}
.feature-item-main i {
    color: var(--primary-cyan);
    font-size: 0.8rem;
    margin-top: 4px;
    flex-shrink: 0;
}
.feature-name {
    font-size: 0.85rem;
    line-height: 1.4;
    color: var(--text-muted);
}
.feature-list li .limit {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    white-space: nowrap;
    margin-top: 2px;
}
.limit-unlimited {
    background: rgba(0, 255, 170, 0.1) !important;
    color: var(--accent-success) !important;
}

.plan-footer {
    margin-top: auto;
    padding-top: 1.5rem;
}
.btn-select {
    display: block;
    width: 100%;
    padding: 1.2rem;
    text-align: center;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-family: var(--font-heading);
    letter-spacing: 1px;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}
.btn-outline {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}
.btn-outline:hover {
    border-color: var(--primary-cyan);
    background: rgba(14, 165, 233,0.05);
    color: var(--primary-cyan);
}
.btn-solid {
    background: linear-gradient(135deg, var(--neon-purple), var(--primary-cyan));
    border: none;
    color: var(--text-main);
    box-shadow: 0 10px 20px rgba(191, 0, 255, 0.3);
}
.btn-solid:hover {
    box-shadow: 0 15px 30px rgba(191, 0, 255, 0.5);
    transform: translateY(-3px);
}