/* ===================================
   Modern Tech Design System
   Inspired by Stripe, Vercel, Linear
   =================================== */

:root {
    /* Modern Color Palette */
    --bg-primary: #0A0A0A;
    --bg-secondary: #111111;
    --bg-tertiary: #1A1A1A;

    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-tertiary: #6B6B6B;

    --accent-blue: #0070F3;
    --accent-purple: #7928CA;
    --accent-pink: #FF0080;
    --accent-cyan: #50E3C2;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, hsla(267,70%,60%,0.15) 0px, transparent 50%),
                     radial-gradient(at 80% 0%, hsla(189,70%,60%,0.15) 0px, transparent 50%),
                     radial-gradient(at 0% 50%, hsla(335,70%,60%,0.15) 0px, transparent 50%);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.3);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;

    /* Typography */
    --font-display: 'Noto Kufi Arabic', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Noto Kufi Arabic', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===================================
   Reset & Base
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Modern Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
}

p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.lead {
    font-size: 1.375rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }
}

/* ===================================
   Modern Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(20px) saturate(180%);
    background: rgba(10, 10, 10, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    position: relative;
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

/* Hamburger Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu Overlay */
.nav-menu.mobile-active {
    transform: translateX(0) !important;
}

.logo-image {
    height: 45px;
    width: auto;
    transition: opacity 0.3s ease;
}

.logo-image:hover {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    gap: var(--space-xl);
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: width 0.3s ease;
}

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

/* ===================================
   Hero Section - Modern Tech Style
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--space-4xl);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0.4;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: var(--space-2xl) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(10px);
}

.hero-title {
    margin-bottom: var(--space-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Modern Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: var(--font-body);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    box-shadow: 0 4px 14px 0 rgba(0, 112, 243, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(0, 112, 243, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* ===================================
   Features Section
   =================================== */
.features {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.feature-icon i {
    font-size: 1.75rem;
    color: white;
}

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

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

/* ===================================
   Programs Section
   =================================== */
.programs {
    padding: var(--space-4xl) 0;
    position: relative;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--space-xl);
}

.program-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.program-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.program-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
    position: relative;
}

.program-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to top, rgba(10, 10, 10, 0.9), transparent);
}

.program-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.program-card:hover .program-image img {
    transform: scale(1.05);
}

.program-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
    z-index: 10;
}

.program-content {
    padding: var(--space-xl);
}

.program-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-size: 1.75rem;
}

.program-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.program-features {
    list-style: none;
    margin-bottom: var(--space-lg);
}

.program-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.program-features i {
    color: var(--accent-cyan);
    font-size: 1rem;
    margin-top: 0.25rem;
}

.program-footer {
    padding: var(--space-lg) var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.program-info {
    display: flex;
    gap: var(--space-lg);
}

.program-info span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.program-price {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.old-price {
    color: var(--text-tertiary);
    text-decoration: line-through;
    font-size: 0.9375rem;
}

.new-price {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

/* ===================================
   Stats Section
   =================================== */
.stats {
    padding: var(--space-4xl) 0;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
}

.stat-card {
    text-align: center;
    padding: var(--space-xl);
}

.stat-card i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

.stat-card h3 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff, #a0a0a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xs);
}

.stat-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: var(--space-4xl) 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

@media (max-width: 968px) {
    .about-content {
        grid-template-columns: 1fr;
    }
}

.about-text h2 {
    margin-bottom: var(--space-lg);
}

.about-text p {
    margin-bottom: var(--space-md);
}

.about-features {
    margin: var(--space-xl) 0;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.about-feature i {
    color: var(--accent-cyan);
    font-size: 1.25rem;
}

.about-feature span {
    color: var(--text-primary);
    font-weight: 500;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: var(--space-4xl) 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

@media (max-width: 968px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-card {
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.contact-card i {
    font-size: 2rem;
    color: var(--accent-blue);
    margin-bottom: var(--space-md);
}

.contact-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 1.25rem;
}

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

.chat-box {
    padding: var(--space-2xl);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    text-align: center;
}

.chat-box i {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

.chat-box h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.chat-box p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.01);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-section h3,
.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-size: 1.125rem;
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--space-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--space-sm);
}

.footer-section a {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--text-primary);
}

.social-links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* ===================================
   Professional Chat Buttons
   =================================== */

/* Professional Chat Button */
.floating-chat-container {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 999;
}

.chat-button-pro {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, #0070F3, #7928CA);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 112, 243, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: var(--font-body);
}

.chat-button-pro:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 112, 243, 0.6);
}

.chat-icon {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-icon i {
    font-size: 1.25rem;
}

.chat-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #FF0080;
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.125rem 0.375rem;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Professional WhatsApp Button */
.whatsapp-button-pro {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
}

.whatsapp-button-pro:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.6);
}

.whatsapp-icon {
    position: relative;
}

.whatsapp-icon i {
    font-size: 2rem;
    color: white;
}

.online-badge {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 14px;
    height: 14px;
    background: #00FF00;
    border: 3px solid #128C7E;
    border-radius: 50%;
    animation: pulse-online 2s infinite;
}

@keyframes pulse-online {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

/* Mobile Responsive for Chat Buttons */
@media (max-width: 768px) {
    .floating-chat-container {
        bottom: 1rem;
        left: 1rem;
    }

    .chat-button-pro {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }

    .chat-text {
        display: none;
    }

    .chat-button-pro {
        width: 56px;
        height: 56px;
        padding: 0;
        border-radius: 50%;
        justify-content: center;
    }

    .whatsapp-button-pro {
        bottom: 5rem;
        right: 1rem;
        width: 56px;
        height: 56px;
    }

    .whatsapp-icon i {
        font-size: 1.75rem;
    }
}

/* ===================================
   Utilities
   =================================== */
.text-gradient {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 968px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .header-cta {
        display: none;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        max-width: 320px;
        height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        border-left: 1px solid rgba(255, 255, 255, 0.1);
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        gap: 0.5rem;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        overflow-y: auto;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-link {
        display: block;
        padding: 1rem;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.05);
        font-size: 1rem;
    }

    .nav-link:hover {
        background: rgba(255, 255, 255, 0.08);
    }
}

@media (max-width: 768px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

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

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* ===================================
   Preloader
   =================================== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease;
}

.preloader-content {
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto var(--space-md);
}

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

.preloader-content p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ===================================
   Additional Enhancements
   =================================== */

/* Testimonials Section */
.testimonials {
    padding: var(--space-4xl) 0;
    position: relative;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.testimonial-card {
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -20px;
    right: var(--space-lg);
    font-size: 6rem;
    font-family: Georgia, serif;
    color: rgba(0, 112, 243, 0.2);
    line-height: 1;
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.testimonial-rating {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.testimonial-rating i {
    color: #FFB800;
    font-size: 1rem;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
    font-size: 1rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
}

.testimonial-author-info h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.testimonial-author-info p {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* FAQ Section */
.faq {
    padding: var(--space-4xl) 0;
    background: rgba(255, 255, 255, 0.01);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

.faq-question {
    padding: var(--space-lg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
}

.faq-question h4 {
    color: var(--text-primary);
    font-size: 1.125rem;
    margin: 0;
}

.faq-question i {
    color: var(--accent-blue);
    font-size: 1.25rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 var(--space-lg) var(--space-lg);
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
}

/* CTA Section */
.cta-section {
    padding: var(--space-4xl) 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 112, 243, 0.1), rgba(121, 40, 202, 0.1));
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: var(--space-md);
}

.cta-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Enhanced Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced Hero Stats */
.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    justify-content: center;
    margin-top: var(--space-2xl);
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff, #a0a0a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xs);
}

.hero-stat-label {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* Enhanced Program Cards */
.program-card-premium {
    position: relative;
    overflow: hidden;
}

.program-card-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.5s ease;
}

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

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    z-index: 9999;
    transition: width 0.1s ease;
}

/* Enhanced Footer */
.footer-enhanced {
    position: relative;
}

.footer-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

/* Mobile Menu Enhancement */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-2xl);
    transition: right 0.3s ease;
    z-index: 9999;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-close {
    position: absolute;
    top: var(--space-lg);
    left: var(--space-lg);
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-menu-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.03) 25%, rgba(255, 255, 255, 0.05) 50%, rgba(255, 255, 255, 0.03) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}


/* ===================================
   Additional Improvements
   =================================== */

/* WhatsApp Float Button - Removed and replaced with professional version */

/* Partners/Logos Section */
.partners {
    padding: var(--space-3xl) 0;
    background: rgba(255, 255, 255, 0.01);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-xl);
    align-items: center;
}

.partner-logo {
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    transition: all 0.3s ease;
    filter: grayscale(100%) opacity(0.6);
}

.partner-logo:hover {
    filter: grayscale(0%) opacity(1);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

/* Video Section */
.video-section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.video-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.video-container video,
.video-container iframe {
    width: 100%;
    aspect-ratio: 16/9;
    display: block;
}

/* Pricing Table Enhancement */
.pricing-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.pricing-card {
    padding: var(--space-2xl);
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    border-color: var(--accent-blue);
    background: rgba(0, 112, 243, 0.05);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.15);
}

.pricing-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.pricing-price {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff, #a0a0a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: var(--space-md) 0;
}

.pricing-features {
    list-style: none;
    margin: var(--space-xl) 0;
    text-align: right;
}

.pricing-features li {
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.pricing-features li i {
    color: var(--accent-cyan);
}

/* Newsletter Enhanced */
.newsletter-section {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, rgba(0, 112, 243, 0.1), rgba(121, 40, 202, 0.1));
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-form {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-body);
}

.newsletter-form input::placeholder {
    color: var(--text-tertiary);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.08);
}

/* Back to Top Button Enhancement */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 998;
    box-shadow: 0 4px 14px rgba(0, 112, 243, 0.4);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 112, 243, 0.6);
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--accent-blue);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Success Message */
.success-message {
    padding: var(--space-md) var(--space-lg);
    background: rgba(0, 200, 150, 0.1);
    border: 1px solid rgba(0, 200, 150, 0.3);
    border-radius: var(--radius-md);
    color: #00C896;
    text-align: center;
    margin-top: var(--space-md);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive Improvements */
@media (max-width: 768px) {
    .newsletter-form {
        flex-direction: column;
    }

    .scroll-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

/**
 * ===================================
 * NouFlow.cloud - Advanced Animations
 * Professional CSS Animations & Effects
 * Version: 2.0.0
 * ===================================
 */

/* ===================================
   CUSTOM SCROLLBAR
   =================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #7986f0 0%, #8656b5 100%);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: #667eea var(--bg-secondary);
}

/* ===================================
   TEXT SELECTION
   =================================== */
::selection {
    background: rgba(102, 126, 234, 0.3);
    color: #ffffff;
}

::-moz-selection {
    background: rgba(102, 126, 234, 0.3);
    color: #ffffff;
}

/* ===================================
   SCROLL PROGRESS BAR
   =================================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #0070F3, #7928CA, #FF0080);
    z-index: 10000;
    transition: width 0.1s ease-out;
    box-shadow: 0 0 10px rgba(0, 112, 243, 0.5);
}

/* ===================================
   PRELOADER ENHANCEMENTS
   =================================== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease;
}

.preloader-content {
    text-align: center;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(102, 126, 234, 0.1);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.progress-container {
    width: 200px;
    height: 4px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
    overflow: hidden;
    margin: 1rem auto;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #0070F3, #7928CA);
    border-radius: 10px;
    transition: width 0.3s ease;
    animation: shimmer 2s infinite;
}

.progress-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

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

@keyframes shimmer {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #0070F3, #7928CA);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 998;
    box-shadow: 0 4px 14px rgba(0, 112, 243, 0.4);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.scroll-top:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 8px 24px rgba(0, 112, 243, 0.6);
}

.scroll-top:active {
    transform: translateY(-2px) scale(1.05);
}

/* ===================================
   REVEAL ANIMATIONS
   =================================== */
.reveal-element {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-element.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animations */
.reveal-element:nth-child(1) { transition-delay: 0s; }
.reveal-element:nth-child(2) { transition-delay: 0.1s; }
.reveal-element:nth-child(3) { transition-delay: 0.2s; }
.reveal-element:nth-child(4) { transition-delay: 0.3s; }
.reveal-element:nth-child(5) { transition-delay: 0.4s; }
.reveal-element:nth-child(6) { transition-delay: 0.5s; }

/* ===================================
   TYPING ANIMATION
   =================================== */
.typing-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: #667eea;
    margin-left: 4px;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ===================================
   CUSTOM CURSOR
   =================================== */
.custom-cursor,
.custom-cursor-follower {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
}

.custom-cursor {
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s ease;
}

.custom-cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.custom-cursor.hover,
.custom-cursor-follower.hover {
    transform: scale(1.5);
}

@media (max-width: 768px) {
    .custom-cursor,
    .custom-cursor-follower {
        display: none;
    }
}

/* ===================================
   PARTICLE CANVAS
   =================================== */
.particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.6;
}

/* ===================================
   RIPPLE EFFECT
   =================================== */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ===================================
   GLASSMORPHISM EFFECTS
   =================================== */
.glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ===================================
   ADVANCED CARD EFFECTS
   =================================== */
.feature-card,
.program-card,
.pricing-card,
.testimonial-card,
.blog-card,
.use-case-card {
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.feature-card::before,
.program-card::before,
.pricing-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 0.5s ease;
}

.feature-card:hover::before,
.program-card:hover::before,
.pricing-card:hover::before {
    left: 100%;
}

/* 3D Transform Effects */
.feature-card:hover,
.program-card:hover,
.pricing-card:hover {
    transform: translateY(-8px) rotateX(2deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Glow Effect on Hover */
.feature-card:hover,
.pricing-card:hover {
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.4),
                0 20px 40px rgba(0, 0, 0, 0.3);
}

/* ===================================
   MORPHING GRADIENTS
   =================================== */
.gradient-morph {
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb);
    background-size: 400% 400%;
    animation: gradient-shift 15s ease infinite;
}

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

/* ===================================
   FLOATING ANIMATION
   =================================== */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.float-animation {
    animation: float 6s ease-in-out infinite;
}

/* ===================================
   PULSE ANIMATION
   =================================== */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

/* ===================================
   BOUNCE IN ANIMATION
   =================================== */
@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3) translateY(50px);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* ===================================
   SLIDE IN ANIMATIONS
   =================================== */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

/* ===================================
   FADE IN ANIMATIONS
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===================================
   FORM FIELD ANIMATIONS
   =================================== */
.form-group input,
.form-group textarea,
.form-group select {
    transition: all 0.3s ease;
    position: relative;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #ff4757;
    animation: shake 0.5s ease;
}

.form-group input.valid,
.form-group textarea.valid {
    border-color: #2ed573;
}

.error-message {
    display: block;
    color: #ff4757;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    animation: slideInUp 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* ===================================
   TOAST NOTIFICATIONS
   =================================== */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 4px solid #667eea;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast-success {
    border-left-color: #2ed573;
}

.toast-error {
    border-left-color: #ff4757;
}

.toast-warning {
    border-left-color: #ffa502;
}

.toast-info {
    border-left-color: #667eea;
}

/* ===================================
   TOOLTIP SYSTEM
   =================================== */
.custom-tooltip {
    position: fixed;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
}

.custom-tooltip::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid var(--bg-tertiary);
}

.custom-tooltip.visible {
    opacity: 1;
    visibility: visible;
}

/* ===================================
   LOADING SKELETON
   =================================== */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.05) 25%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.05) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 2rem;
    margin-bottom: 1rem;
    width: 60%;
}

.skeleton-image {
    height: 200px;
    width: 100%;
}

/* ===================================
   BUTTON ENHANCEMENTS
   =================================== */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn:active {
    transform: translateY(0);
}

/* ===================================
   HEADER ENHANCEMENTS
   =================================== */
.header {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* ===================================
   IMAGE LAZY LOADING
   =================================== */
img[data-src] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[data-src].loaded {
    opacity: 1;
}

/* ===================================
   HOVER GLOW EFFECT
   =================================== */
.glow-on-hover {
    position: relative;
}

.glow-on-hover::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.4) 0%, transparent 70%);
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: all 0.5s ease;
    pointer-events: none;
    border-radius: inherit;
}

.glow-on-hover:hover::after {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 1;
}

/* ===================================
   TEXT GRADIENT ANIMATION
   =================================== */
.text-gradient-animated {
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb, #667eea);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 8s ease infinite;
}

/* ===================================
   CARD TILT EFFECT
   =================================== */
.card-tilt {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

.card-tilt:hover {
    transform: perspective(1000px) rotateX(2deg) rotateY(2deg);
}

/* ===================================
   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 30%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 70%
    );
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        left: -200%;
    }
    100% {
        left: 200%;
    }
}

/* ===================================
   BOUNCE EFFECT
   =================================== */
.bounce {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

/* ===================================
   SCALE HOVER EFFECT
   =================================== */
.scale-hover {
    transition: transform 0.3s ease;
}

.scale-hover:hover {
    transform: scale(1.05);
}

/* ===================================
   ROTATE HOVER EFFECT
   =================================== */
.rotate-hover {
    transition: transform 0.3s ease;
}

.rotate-hover:hover {
    transform: rotate(5deg);
}

/* ===================================
   NEON GLOW EFFECT
   =================================== */
.neon-glow {
    text-shadow:
        0 0 5px rgba(102, 126, 234, 0.5),
        0 0 10px rgba(102, 126, 234, 0.5),
        0 0 20px rgba(102, 126, 234, 0.5),
        0 0 40px rgba(102, 126, 234, 0.5);
    animation: neon-flicker 2s infinite alternate;
}

@keyframes neon-flicker {
    0%, 100% {
        text-shadow:
            0 0 5px rgba(102, 126, 234, 0.5),
            0 0 10px rgba(102, 126, 234, 0.5),
            0 0 20px rgba(102, 126, 234, 0.5),
            0 0 40px rgba(102, 126, 234, 0.5);
    }
    50% {
        text-shadow:
            0 0 2px rgba(102, 126, 234, 0.3),
            0 0 5px rgba(102, 126, 234, 0.3),
            0 0 10px rgba(102, 126, 234, 0.3),
            0 0 20px rgba(102, 126, 234, 0.3);
    }
}

/* ===================================
   RESPONSIVE ADJUSTMENTS
   =================================== */
@media (max-width: 768px) {
    .scroll-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }

    .toast {
        bottom: 1rem;
        left: 1rem;
        right: 1rem;
        transform: translateX(0) translateY(100px);
    }

    .toast.show {
        transform: translateX(0) translateY(0);
    }
}

/* ===================================
   ENHANCED HERO SECTION
   =================================== */

/* Animated Background Orbs */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.25;
    animation: float-orb 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 112, 243, 0.5), transparent);
    top: -15%;
    right: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(121, 40, 202, 0.5), transparent);
    bottom: -15%;
    left: -10%;
    animation-delay: 7s;
}

.orb-3 {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(80, 227, 194, 0.4), transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float-orb {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(60px, -60px) scale(1.15);
    }
    66% {
        transform: translate(-40px, 40px) scale(0.85);
    }
}

/* Particles Canvas */
#particlesCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.6;
}

/* Enhanced Badge */
.hero-badge {
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.hero-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(102, 126, 234, 0.5);
}

.badge-icon {
    font-size: 1.25rem;
    animation: rotate-star 10s linear infinite;
}

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

.badge-text {
    font-size: 0.9375rem;
    font-weight: 600;
}

/* Enhanced Title */
.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem) !important;
    font-weight: 900 !important;
    margin-bottom: 1.5rem !important;
    line-height: 1.1 !important;
    background: linear-gradient(135deg, #ffffff 0%, #a78bfa 50%, #818cf8 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    background-size: 200% 200% !important;
    animation: gradient-shift 8s ease infinite !important;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.typing-cursor {
    animation: blink-cursor 1s step-end infinite;
    color: #818cf8;
    font-weight: 300;
}

@keyframes blink-cursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    padding: 1.5rem 0;
}

.hero-stat {
    text-align: center;
    transition: transform 0.3s ease;
}

.hero-stat:hover {
    transform: translateY(-4px);
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.375rem;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Enhanced Buttons */
.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.0625rem;
    position: relative;
    overflow: hidden;
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
    pointer-events: none;
}

.btn:hover .btn-shine {
    left: 100%;
}

/* Trust Badges */
.trust-badges {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    flex-wrap: wrap;
    padding-top: 1.5rem;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.trust-badge:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.trust-badge i {
    color: var(--accent-cyan);
    font-size: 1.25rem;
}

/* Fade In Delays */
.fade-in-delay {
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

.fade-in-delay-3 {
    animation: fadeInUp 0.8s ease-out 0.7s both;
}

.fade-in-delay-4 {
    animation: fadeInUp 0.8s ease-out 0.9s both;
}

/* Hero Section Responsive */
@media (max-width: 768px) {
    .hero {
        padding-top: 100px;
        min-height: 90vh;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .trust-badges {
        gap: 1rem;
        padding-top: 1rem;
    }

    .gradient-orb {
        filter: blur(80px);
        opacity: 0.2;
    }

    .orb-1, .orb-2, .orb-3 {
        width: 350px;
        height: 350px;
    }

    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

/* ===================================
   PRINT STYLES
   =================================== */
@media print {
    .scroll-progress,
    .scroll-top,
    .custom-cursor,
    .custom-cursor-follower,
    .particle-canvas,
    .toast {
        display: none !important;
    }
}