/* Variables */
:root {
    --primary-color: #1a73e8;
    --secondary-color: #34a853;
    --danger-color: #ea4335;
    --dark-gray: #202124;
    --light-gray: #f8f9fa;
    --border-color: #dadce0;
}

/* Base Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
    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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

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

.hero-title {
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    opacity: 0.9;
}

/* Phone Mockup */
.phone-mockup {
    max-width: 300px;
    margin: 0 auto;
    position: relative;
}

.phone-frame {
    background: var(--dark-gray);
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    border: 2px solid #444;
}

.phone-screen {
    background: white;
    border-radius: 20px;
    min-height: 400px;
    position: relative;
    overflow: hidden;
}

.login-form .input-group {
    margin-bottom: 20px;
}

.login-form .input-group-text {
    background: var(--light-gray);
    border: none;
}

.login-form .form-control {
    background: var(--light-gray);
    border: none;
}

.login-form .form-control::placeholder {
    color: #999;
}

.login-form .divider {
    position: relative;
    margin: 20px 0;
    text-align: center;
}

.login-form .divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #ddd;
    z-index: 1;
}

.login-form .divider span {
    background: white;
    padding: 0 15px;
    color: #999;
    font-size: 12px;
    position: relative;
    z-index: 2;
}

/* Feature Cards */
.feature-card {
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15) !important;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

/* Stats Section */
.stat-number {
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #666;
}

/* Security Badge */
.security-badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
    background: var(--secondary-color);
    color: white;
}

/* Animations */
.floating-animation {
    animation: float 6s ease-in-out infinite;
}

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* Responsive Adjustments */
@media (max-width: 992px) {
    .hero-section {
        padding: 80px 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .phone-mockup {
        max-width: 250px;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2rem !important;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 40px 0;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .download-btn {
        width: 100%;
    }
}