:root {
    --primary-color: #4f46e5;
    --primary-dark: #3730a3;
    --secondary-color: #06b6d4;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-color: #1f2937;
    --light-color: #f8fafc;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/><circle cx="900" cy="800" r="80" fill="url(%23a)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    text-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
    font-weight: 400;
}

/* Feature Cards */
.feature-card {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-lg);
}

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

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: white;
    padding: 4rem 0;
}

.cta-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    color: white;
    box-shadow: var(--shadow-xl);
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Buttons */
.btn-primary-custom {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--primary-color);
}

.btn-outline-custom {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    margin-left: 1rem;
}

.btn-outline-custom:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Stats Section */
.stats-section {
    background: var(--light-color);
    padding: 4rem 0;
}

.stat-item {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-element {
    position: absolute;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    width: 60px;
    height: 60px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    width: 80px;
    height: 80px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    width: 40px;
    height: 40px;
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

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

/* Navigation */
.navbar-custom {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white !important;
}

.nav-link {
    color: rgba(255,255,255,0.9) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: white !important;
}

.btn-login {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-login:hover {
    background: white;
    color: var(--primary-color);
}

/* Features Section Heading */
.features-heading {
    color: white !important;
}

.features-subtitle {
    color: white !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .btn-outline-custom {
        margin-left: 0;
        margin-top: 1rem;
        display: block;
    }
}