* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #1a237e;
    --primary-light: #534bae;
    --primary-dark: #000051;
    --secondary: #f5f5f5;
    --accent: #00c853;
    --accent-light: #5efc82;
    --text: #212121;
    --text-light: #757575;
    --surface: #ffffff;
    --surface-dark: #f5f5f5;
    --error: #b71c1c;
    --success: #2e7d32;
}

body {
    background-color: #f8f9fa;
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    background-color: var(--primary);
    color: white;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
}

.logo a {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Button Styles */
.btn {
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.btn a {
    color: white;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: #009624;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 200, 83, 0.3);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

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

.btn-full {
    width: 100%;
}

/* Landing Page Styles */
.landing-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hero {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 80px 0;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 30px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--surface);
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature {
    text-align: center;
    padding: 30px;
    border-radius: 12px;
    background-color: var(--surface-dark);
    transition: transform 0.3s;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary);
}

.feature p {
    color: var(--text-light);
}

/* Demo Account Section */
.demo-account {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: white;
    padding: 80px 0;
    text-align: center;
}

.demo-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.demo-content p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
footer {
    background-color: var(--primary-dark);
    color: white;
    padding: 40px 0 20px;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 600;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.footer-copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--surface);
}

.auth-container {
    display: flex;
    min-height: 80vh;
}

.auth-form {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-header {
    text-align: center;
    margin-bottom: 40px;
}

.auth-header h1 {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 10px;
}

.auth-header p {
    color: var(--text-light);
}

.auth-promo {
    flex: 1;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.promo-content h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.promo-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.promo-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.promo-feature {
    display: flex;
    align-items: center;
    gap: 15px;
}

.promo-feature i {
    font-size: 24px;
    color: var(--accent-light);
}

/* Form Styles */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.password-toggle {
    position: relative;
}

.password-toggle input {
    padding-right: 50px;
}

.toggle-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-light);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.checkbox-group input {
    margin-top: 3px;
}

.checkbox-group label {
    margin-bottom: 0;
    font-weight: normal;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
}

.forgot-password {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.forgot-password:hover {
    text-decoration: underline;
}

.auth-footer {
    text-align: center;
    margin-top: 30px;
    color: var(--text-light);
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-content p {
        font-size: 18px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .auth-container {
        flex-direction: column;
    }
    
    .auth-promo {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 28px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}