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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    overflow-x: hidden;
}

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: -2;
}

.floating-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.floating-circle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

.floating-circle:nth-child(1) { 
    width: 80px; 
    height: 80px; 
    top: 10%; 
    left: 10%; 
    animation-delay: 0s; 
}

.floating-circle:nth-child(2) { 
    width: 120px; 
    height: 120px; 
    top: 70%; 
    right: 10%; 
    animation-delay: -5s; 
}

.floating-circle:nth-child(3) { 
    width: 60px; 
    height: 60px; 
    bottom: 20%; 
    left: 80%; 
    animation-delay: -10s; 
}

.floating-circle:nth-child(4) { 
    width: 100px; 
    height: 100px; 
    top: 40%; 
    left: 60%; 
    animation-delay: -15s; 
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
    }
    50% { 
        transform: translateY(-20px) rotate(180deg); 
    }
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all 0.3s ease;
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #1a1a1a;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #667eea;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: #667eea;
    transition: all 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
    left: 0;
}

.cta-nav {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white !important;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.cta-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.cta-nav::after {
    display: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #1a1a1a;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
}

.hero-content {
    max-width: 900px;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease-out;
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    margin-bottom: 2.5rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.3s both;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
    min-width: 180px;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: transparent;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

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

/* Features Section */
.features {
    padding: 6rem 2rem;
    background: white;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.section-subtitle {
    text-align: center;
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: #666;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.8rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.feature-card p {
    color: #666;
    line-height: 1.7;
}

/* Stats Section */
.stats {
    padding: 6rem 2rem;
    background: #f8f9ff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.2rem;
    color: #666;
    font-weight: 500;
}

/* CTA Section */
.cta-section {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
footer {
    background: #1a1a1a;
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: #667eea;
    font-size: 1.3rem;
}

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

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

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #667eea;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid #333;
    color: #999;
}

/* Mobile Responsive - Enhanced */
@media (max-width: 768px) {
    /* Navigation */
    nav {
        padding: 1rem;
    }
    
    .logo {
        font-size: 1.3rem;
    }
    
    .logo-icon {
        width: 28px;
        height: 28px;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 3rem;
        transition: left 0.3s ease;
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links a {
        font-size: 1.5rem;
        padding: 1rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
        z-index: 1001;
    }
    
    /* Hero Section */
    .hero {
        padding: 6rem 1rem 3rem;
        min-height: 100vh;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        padding: 1.2rem 2rem;
        font-size: 1.1rem;
    }
    
    /* Floating circles - optimized for mobile */
    .floating-circle:nth-child(1) { width: 40px; height: 40px; }
    .floating-circle:nth-child(2) { width: 60px; height: 60px; }
    .floating-circle:nth-child(3) { width: 30px; height: 30px; }
    .floating-circle:nth-child(4) { width: 50px; height: 50px; }
    
    /* Features Section */
    .features {
        padding: 4rem 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .feature-card {
        padding: 2rem 1.5rem;
    }
    
    .feature-card:hover {
        transform: translateY(-5px);
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    /* Stats Section */
    .stats {
        padding: 4rem 1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .stat-item {
        padding: 1.5rem 1rem;
    }
    
    /* CTA Section */
    .cta-section {
        padding: 4rem 1rem;
    }
    
    /* Footer */
    footer {
        padding: 3rem 1rem 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .hero {
        padding: 5rem 0.5rem 2rem;
    }
    
    .features,
    .stats,
    .cta-section {
        padding: 3rem 0.5rem;
    }
    
    .feature-card {
        padding: 1.5rem 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .btn {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Further optimize floating elements */
    .floating-circle:nth-child(1) { width: 25px; height: 25px; }
    .floating-circle:nth-child(2) { width: 35px; height: 35px; }
    .floating-circle:nth-child(3) { width: 20px; height: 20px; }
    .floating-circle:nth-child(4) { width: 30px; height: 30px; }
}

/* Tablet landscape and small laptops */
@media (min-width: 769px) and (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .nav-links {
        gap: 1.5rem;
    }
    
    .hero-content {
        max-width: 700px;
    }
}

/* Large laptops and desktops */
@media (min-width: 1025px) and (max-width: 1440px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hero h1 {
        font-size: 4rem;
    }
    
    .hero p {
        font-size: 1.3rem;
    }
}

/* Extra large screens */
@media (min-width: 1441px) {
    .container,
    .footer-content,
    nav {
        max-width: 1600px;
    }
    
    .hero h1 {
        font-size: 4.5rem;
    }
    
    .hero p {
        font-size: 1.4rem;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
}