/* ================================================
   SheraAI LMS - ULTRA PREMIUM UI Enhancement
   Author: SheraAI Technologies | Shaheer
   Version: 2.0.0 - Next-Gen Glassmorphic Edition
   ================================================ */

/* ===== Enhanced CSS Variables ===== */
:root {
    /* Enhanced Glassmorphism */
    --glass-blur: 20px;
    --glass-blur-heavy: 40px;
    --glass-bg-ultra: rgba(255, 255, 255, 0.03);
    --glass-bg-premium: rgba(255, 255, 255, 0.07);
    --glass-border-glow: rgba(99, 102, 241, 0.3);
    --glass-shadow-glow: 0 0 60px rgba(99, 102, 241, 0.15);
    
    /* Neon Glow Effects */
    --neon-primary: 0 0 20px rgba(99, 102, 241, 0.5), 0 0 40px rgba(99, 102, 241, 0.3), 0 0 60px rgba(99, 102, 241, 0.1);
    --neon-secondary: 0 0 20px rgba(139, 92, 246, 0.5), 0 0 40px rgba(139, 92, 246, 0.3);
    --neon-accent: 0 0 20px rgba(6, 182, 212, 0.5), 0 0 40px rgba(6, 182, 212, 0.3);
    --neon-white: 0 0 10px rgba(255, 255, 255, 0.3), 0 0 20px rgba(255, 255, 255, 0.1);
    
    /* Enhanced Transitions */
    --transition-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-elastic: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* 3D Depth */
    --depth-1: 0 2px 4px rgba(0, 0, 0, 0.1);
    --depth-2: 0 4px 8px rgba(0, 0, 0, 0.15);
    --depth-3: 0 8px 24px rgba(0, 0, 0, 0.2);
    --depth-4: 0 16px 48px rgba(0, 0, 0, 0.25);
    --depth-glow: 0 20px 60px rgba(99, 102, 241, 0.3);
}

/* ===== Smooth Page Load Animation ===== */
@keyframes pageLoad {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

body {
    animation: pageLoad 0.8s var(--transition-smooth) forwards;
}

/* ===== Enhanced Animated Background ===== */
.animated-bg {
    background: linear-gradient(135deg, #0a0f1a 0%, #0f172a 50%, #1a1f35 100%);
}

.gradient-orb {
    opacity: 0.4;
    mix-blend-mode: screen;
    transition: all 1s ease;
}

.gradient-orb::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: inherit;
    filter: blur(60px);
    opacity: 0.5;
    animation: pulse-glow 4s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
    0% { transform: scale(1); opacity: 0.3; }
    100% { transform: scale(1.2); opacity: 0.6; }
}

/* Enhanced Orb Animations */
.orb-1 {
    animation: float-enhanced-1 25s ease-in-out infinite;
}

.orb-2 {
    animation: float-enhanced-2 30s ease-in-out infinite;
}

.orb-3 {
    animation: float-enhanced-3 20s ease-in-out infinite;
}

@keyframes float-enhanced-1 {
    0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); }
    25% { transform: translate(80px, -60px) scale(1.15) rotate(90deg); }
    50% { transform: translate(-40px, 40px) scale(0.95) rotate(180deg); }
    75% { transform: translate(-60px, -40px) scale(1.1) rotate(270deg); }
}

@keyframes float-enhanced-2 {
    0%, 100% { transform: translate(0, 0) scale(1) rotate(0deg); }
    33% { transform: translate(-70px, 50px) scale(1.1) rotate(120deg); }
    66% { transform: translate(50px, -70px) scale(0.9) rotate(240deg); }
}

@keyframes float-enhanced-3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(60px, -80px) scale(1.2); }
}

/* ===== Premium Glass Cards ===== */
.glass-card {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: all 0.5s var(--transition-smooth);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transition: left 0.8s ease;
    z-index: 1;
}

.glass-card:hover::before {
    left: 100%;
}

.glass-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--glass-border-glow);
    box-shadow: 
        var(--depth-glow),
        0 30px 60px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Glassmorphic Card Variants */
.glass-card-glow {
    position: relative;
}

.glass-card-glow::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    filter: blur(15px);
    transition: opacity 0.5s ease;
}

.glass-card-glow:hover::after {
    opacity: 0.5;
}

/* ===== Premium Buttons ===== */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--transition-smooth);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    transform-style: preserve-3d;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--neon-primary), 0 10px 30px rgba(99, 102, 241, 0.5);
}

.btn-primary:active {
    transform: translateY(-1px) scale(1.02);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: var(--neon-white);
    transform: translateY(-2px);
}

/* Magnetic Button Effect */
.btn-magnetic {
    transition: transform 0.3s var(--transition-elastic);
}

/* ===== Enhanced Navigation ===== */
.navbar {
    transition: all 0.5s var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(10, 15, 26, 0.95);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
    padding: 8px 16px;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all 0.3s var(--transition-elastic);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--primary-light);
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

/* ===== Hero Section Enhancement ===== */
.hero {
    position: relative;
}

.hero-content {
    animation: heroFadeUp 1s var(--transition-smooth) 0.3s forwards;
    opacity: 0;
}

@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 50%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 5s ease infinite;
    background-size: 200% auto;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.hero .highlight {
    position: relative;
    display: inline-block;
}

.hero .highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 3px;
    animation: underlineGlow 2s ease-in-out infinite;
}

@keyframes underlineGlow {
    0%, 100% { box-shadow: 0 0 10px var(--primary); }
    50% { box-shadow: 0 0 25px var(--primary), 0 0 50px var(--primary-light); }
}

/* ===== Feature Cards Enhancement ===== */
.feature-card {
    position: relative;
    transition: all 0.5s var(--transition-smooth);
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-primary);
    border-radius: inherit;
    opacity: 0;
    z-index: -1;
    filter: blur(10px);
    transition: opacity 0.5s ease;
}

.feature-card:hover::before {
    opacity: 0.3;
}

.feature-card .glass-icon {
    transition: all 0.5s var(--transition-bounce);
}

.feature-card:hover .glass-icon {
    transform: scale(1.1) rotateY(10deg);
    box-shadow: var(--neon-primary);
}

/* Icon Float Animation */
.glass-icon {
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ===== Role Cards Enhancement ===== */
.role-card,
.glass-card-role {
    position: relative;
    overflow: hidden;
}

.role-card::after,
.glass-card-role::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--transition-elastic);
}

.role-card:hover::after,
.glass-card-role:hover::after {
    transform: scaleX(1);
}

/* ===== Pricing Cards Enhancement ===== */
.pricing-card {
    position: relative;
    transition: all 0.5s var(--transition-smooth);
}

.pricing-card.featured {
    transform: scale(1.05);
    z-index: 2;
}

.pricing-card.featured::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: var(--gradient-primary);
    border-radius: inherit;
    z-index: -1;
    animation: borderGlow 3s ease-in-out infinite;
}

@keyframes borderGlow {
    0%, 100% { opacity: 0.5; filter: blur(5px); }
    50% { opacity: 0.8; filter: blur(10px); }
}

.pricing-card:hover {
    transform: translateY(-15px) scale(1.02);
}

.pricing-card.featured:hover {
    transform: translateY(-15px) scale(1.08);
}

/* ===== Stats Counter Enhancement ===== */
.stat-item {
    position: relative;
    padding: 2rem;
    background: var(--glass-bg-ultra);
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    transition: all 0.4s ease;
}

.stat-item:hover {
    background: var(--glass-bg-premium);
    border-color: var(--glass-border-glow);
    transform: translateY(-5px);
}

.stat-number {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

/* ===== Section Headers Enhancement ===== */
.section-header {
    position: relative;
}

.section-header h2 {
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 4px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { width: 60px; opacity: 1; }
    50% { width: 100px; opacity: 0.7; }
}

/* ===== Form Enhancement ===== */
input, textarea, select {
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

input:focus, textarea:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2), var(--neon-primary);
    outline: none;
}

/* Input Glow Animation */
.form-group {
    position: relative;
}

.form-group label {
    transition: all 0.3s ease;
}

.form-group:focus-within label {
    color: var(--primary-light);
}

/* ===== Scroll Animations ===== */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--transition-smooth);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s var(--transition-smooth);
}

.fade-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s var(--transition-smooth);
}

.fade-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-up {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s var(--transition-elastic);
}

.scale-up.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger Animation Delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ===== Floating Elements ===== */
.float-element {
    animation: floatUpDown 4s ease-in-out infinite;
}

@keyframes floatUpDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.rotate-element {
    animation: rotateGently 10s linear infinite;
}

@keyframes rotateGently {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== Cursor Glow Effect ===== */
.cursor-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
    transform: translate(-50%, -50%);
}

body:hover .cursor-glow {
    opacity: 1;
}

/* ===== Loading Animation ===== */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Shimmer Effect ===== */
.shimmer {
    position: relative;
    overflow: hidden;
}

.shimmer::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    100% { left: 150%; }
}

/* ===== Text Glow Animation ===== */
.text-glow {
    animation: textGlow 2s ease-in-out infinite alternate;
}

@keyframes textGlow {
    from { text-shadow: 0 0 10px var(--primary-glow); }
    to { text-shadow: 0 0 20px var(--primary-glow), 0 0 40px var(--primary-glow); }
}

/* ===== Ripple Effect ===== */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.3) 10%, transparent 10%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10);
    opacity: 0;
    transition: transform 0.5s, opacity 0.5s;
}

.ripple:active::after {
    transform: scale(0);
    opacity: 1;
    transition: 0s;
}

/* ===== Tilt Card Effect ===== */
.tilt-card {
    transform-style: preserve-3d;
    transition: transform 0.5s ease;
}

.tilt-card:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(5deg);
}

.tilt-card > * {
    transform: translateZ(30px);
}

/* ===== Glitch Text Effect ===== */
.glitch-text {
    position: relative;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch-text::before {
    animation: glitch-1 0.5s infinite;
    color: var(--primary);
    z-index: -1;
}

.glitch-text::after {
    animation: glitch-2 0.5s infinite;
    color: var(--accent);
    z-index: -2;
}

@keyframes glitch-1 {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    20% { clip-path: inset(20% 0 60% 0); transform: translate(-2px, 2px); }
    40% { clip-path: inset(40% 0 40% 0); transform: translate(2px, -2px); }
    60% { clip-path: inset(60% 0 20% 0); transform: translate(-1px, 1px); }
    80% { clip-path: inset(80% 0 0 0); transform: translate(1px, -1px); }
}

@keyframes glitch-2 {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    20% { clip-path: inset(60% 0 20% 0); transform: translate(2px, -2px); }
    40% { clip-path: inset(20% 0 60% 0); transform: translate(-2px, 2px); }
    60% { clip-path: inset(80% 0 0 0); transform: translate(1px, -1px); }
    80% { clip-path: inset(40% 0 40% 0); transform: translate(-1px, 1px); }
}

/* ===== Morphing Background ===== */
.morph-bg {
    background: linear-gradient(-45deg, #0f172a, #1e1b4b, #312e81, #1e293b);
    background-size: 400% 400%;
    animation: morphGradient 15s ease infinite;
}

@keyframes morphGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ===== Footer Enhancement ===== */
.footer {
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.footer a {
    transition: all 0.3s ease;
}

.footer a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

/* ===== Social Links Enhancement ===== */
.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    transition: all 0.4s var(--transition-bounce);
}

.social-link:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--neon-primary);
}

/* ===== Back to Top Enhancement ===== */
.back-to-top {
    background: var(--gradient-primary);
    box-shadow: var(--depth-3);
    transition: all 0.4s var(--transition-bounce);
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--neon-primary);
}

.back-to-top i {
    animation: bounceUp 2s ease-in-out infinite;
}

@keyframes bounceUp {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* ===== Mobile Enhancements ===== */
@media (max-width: 768px) {
    .glass-card:hover {
        transform: translateY(-5px) scale(1.01);
    }
    
    .btn-primary:hover {
        transform: translateY(-2px) scale(1.02);
    }
    
    .cursor-glow {
        display: none;
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== Print Styles ===== */
@media print {
    .animated-bg,
    .gradient-orb,
    .particles,
    .cursor-glow {
        display: none !important;
    }
}

/* ===== Dark/Light Mode Toggle ===== */
.theme-toggle {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: var(--depth-3);
    transition: all 0.4s var(--transition-bounce);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: var(--neon-primary);
}

.theme-toggle i {
    color: white;
    font-size: 1.2rem;
    transition: transform 0.5s ease;
}

.theme-toggle:hover i {
    transform: rotate(360deg);
}

/* Light Mode Variables */
[data-theme="light"] {
    --dark: #f8fafc;
    --dark-light: #e2e8f0;
    --gray-900: #f1f5f9;
    --gray-800: #e2e8f0;
    --gray-700: #cbd5e1;
    --gray-600: #94a3b8;
    --gray-500: #64748b;
    --gray-400: #475569;
    --gray-300: #334155;
    --gray-200: #1e293b;
    --gray-100: #0f172a;
    --white: #0f172a;
    --glass-bg: rgba(0, 0, 0, 0.03);
    --glass-bg-light: rgba(0, 0, 0, 0.06);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-shadow: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .animated-bg {
    background: linear-gradient(135deg, #f0f4ff 0%, #e8ecf7 50%, #dfe5f3 100%);
}

[data-theme="light"] .gradient-orb {
    opacity: 0.3;
}

[data-theme="light"] .glass-nav {
    background: rgba(255, 255, 255, 0.8);
}

[data-theme="light"] .glass-card {
    background: rgba(255, 255, 255, 0.7);
    border-color: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .footer {
    background: rgba(0, 0, 0, 0.02);
}

/* ===== Premium Shine Effect ===== */
.shine-effect {
    position: relative;
    overflow: hidden;
}

.shine-effect::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 45%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 55%
    );
    transform: translateX(-100%) rotate(45deg);
    animation: shine 4s ease-in-out infinite;
}

@keyframes shine {
    0%, 100% { transform: translateX(-100%) rotate(45deg); }
    50% { transform: translateX(100%) rotate(45deg); }
}

/* ===== Gradient Border Effect ===== */
.gradient-border {
    position: relative;
    background: var(--dark);
    z-index: 1;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-primary);
    border-radius: inherit;
    z-index: -1;
}

/* ===== Floating Action Button Enhancement ===== */
.fab-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

/* ===== Notification Badge Animation ===== */
.notification-badge {
    position: relative;
}

.notification-badge::after {
    content: '';
    position: absolute;
    top: -2px;
    right: -2px;
    width: 10px;
    height: 10px;
    background: var(--danger);
    border-radius: 50%;
    animation: notificationPulse 2s ease-in-out infinite;
}

@keyframes notificationPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

/* ===== Smooth Text Selection ===== */
::selection {
    background: var(--primary);
    color: white;
}

::-moz-selection {
    background: var(--primary);
    color: white;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--primary), var(--secondary));
    border-radius: 10px;
    border: 2px solid var(--dark);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(var(--primary-light), var(--secondary));
}

/* ===== Image Hover Zoom ===== */
.img-zoom {
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.img-zoom img {
    transition: transform 0.5s var(--transition-smooth);
}

.img-zoom:hover img {
    transform: scale(1.1);
}

/* ===== Gradient Text ===== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Blur Background on Modal ===== */
.blur-backdrop {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* ===== Smooth Underline Animation ===== */
.underline-animation {
    position: relative;
    display: inline-block;
}

.underline-animation::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.underline-animation:hover::after {
    width: 100%;
}

/* ===== Card Stack Effect ===== */
.card-stack {
    position: relative;
}

.card-stack::before,
.card-stack::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: inherit;
    border-radius: inherit;
    z-index: -1;
    transition: all 0.3s ease;
}

.card-stack::before {
    top: 10px;
    left: 10px;
    opacity: 0.3;
}

.card-stack::after {
    top: 20px;
    left: 20px;
    opacity: 0.1;
}

.card-stack:hover::before {
    top: 15px;
    left: 15px;
}

.card-stack:hover::after {
    top: 30px;
    left: 30px;
}

/* ===== Tooltip Enhancement ===== */
[data-tooltip] {
    position: relative;
    cursor: pointer;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-5px);
    padding: 8px 16px;
    background: var(--dark-light);
    color: var(--gray-100);
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: var(--depth-2);
}

[data-tooltip]:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-10px);
}

/* ===== Focus Visible Enhancement ===== */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

/* ===== Page Transition Effect ===== */
.page-transition {
    animation: pageSlideIn 0.5s var(--transition-smooth) forwards;
}

@keyframes pageSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== Enhanced Hero Phone Mockup ===== */
.phone-mockup {
    position: relative;
    animation: phoneFloat 6s ease-in-out infinite;
}

@keyframes phoneFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-15px) rotate(2deg); }
    50% { transform: translateY(-5px) rotate(0deg); }
    75% { transform: translateY(-20px) rotate(-2deg); }
}

.phone-mockup::before {
    content: '';
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 20px;
    background: rgba(99, 102, 241, 0.3);
    filter: blur(20px);
    border-radius: 50%;
    animation: phoneShadow 6s ease-in-out infinite;
}

@keyframes phoneShadow {
    0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.3; }
    25% { transform: translateX(-50%) scale(0.8); opacity: 0.5; }
    50% { transform: translateX(-50%) scale(0.9); opacity: 0.4; }
    75% { transform: translateX(-50%) scale(0.75); opacity: 0.6; }
}