/* Base Styles */
:root {
    --primary-blue: #3b5adb;
    --primary-green: #00c875;
    --text-navy: #1e2c60;
    --light-purple-1: #f0f2ff;
    --light-purple-2: #e6e9ff;
    --light-gray: #f5f7fa;
    --medium-gray: #e0e0e0;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --border-radius: 8px;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-navy);
    line-height: 1.6;
    background: linear-gradient(135deg, var(--light-purple-1), var(--light-purple-2));
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* Header Styles */
header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, var(--primary-blue), #4d6ae4);
    color: var(--white);
}

.logo-container {
    margin-bottom: 20px;
}

.logo {
    height: 80px;
    width: auto;
    background-color: white;
    padding: 10px;
    border-radius: var(--border-radius);
}

h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1rem;
    font-weight: 400;
    opacity: 0.9;
}

/* Main Content Styles */
main {
    padding: 30px 20px;
}

h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-blue);
}

h3 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 15px;
    color: var(--text-navy);
}

/* Calculator Container */
.calculator-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

/* Input Section */
.input-section {
    flex: 1;
    min-width: 300px;
    background-color: var(--light-gray);
    padding: 25px;
    border-radius: var(--border-radius);
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

input[type="number"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s;
}

input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(59, 90, 219, 0.2);
}

/* Results Section */
.results-section {
    flex: 1.5;
    min-width: 300px;
    padding: 25px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.results-group {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--medium-gray);
}

.results-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.result-label {
    font-weight: 400;
}

.result-value {
    font-weight: 600;
}

/* Summary Section */
.summary-section {
    margin-bottom: 40px;
    text-align: center;
}

.summary-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.summary-item {
    flex: 1;
    min-width: 250px;
    padding: 25px;
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.summary-item.total {
    background-color: var(--primary-green);
    color: var(--white);
}

.summary-item.total h3 {
    color: var(--white);
}

.summary-value {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 10px;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background-color: #2d49c2;
}

.btn-secondary {
    background-color: var(--light-gray);
    color: var(--text-navy);
    border: 1px solid var(--medium-gray);
}

.btn-secondary:hover {
    background-color: var(--medium-gray);
}

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

.btn-cta:hover {
    background-color: #00b369;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background-color: var(--light-gray);
    color: var(--text-navy);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .calculator-container {
        flex-direction: column;
    }
    
    .summary-container {
        flex-direction: column;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.2rem;
    }
    
    .summary-value {
        font-size: 1.8rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}