:root {
    --primary: #4361ee;
    --primary-light: #4895ef;
    --secondary: #3f37c9;
    --accent: #f72585;
    --dark: #212529;
    --light: #f8f9fa;
    --success: #4cc9f0;
    --warning: #f8961e;
    --danger: #ef233c;
    --gray: #adb5bd;
    --gray-light: #e9ecef;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark);
    line-height: 1.6;
    background-color: var(--light);
    padding-top: 80px;
}

/* Sticky Header */
header {
    background: white;
    box-shadow: 0 6px 60px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    padding: 4rem 5%;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    min-height: 80vh;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    margin-bottom: 2rem;
    color: #495057;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    border: none;
}

.btn-primary:hover {
    background-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

.hero-image {
    flex: 1;
}

/* Poster Animation */
.poster-container {
    position: relative;
    width: 100%;
    height: 250px;
}

.poster {
    position: absolute;
    top: 0;
    left: 0;
    width: 400px;
    height: 330px;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    background-size: cover;
    background-position: center;
}

.poster.active {
    opacity: 1;
}

/* Features Section */
.features {
    padding: 4rem 5%;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary);
}

.feature-card {
    width : 50% ;
    background: var(--light);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-20px);
}

/* Quiz Section */
.quiz {
    padding: 4rem 5%;
    background: linear-gradient(135deg, var(--primary-light), var(--success));
    color: white;
}

.quiz-container {
    background: white;
    color: var(--dark);
    border-radius: 20px;
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.quiz-question {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.quiz-options {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.quiz-option {
    padding: 1rem;
    background: var(--gray-light);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.quiz-option:hover {
    background: var(--primary);
    color: white;
}

.quiz-feedback {
    font-weight: bold;
    margin-bottom: 1rem;
    min-height: 24px;
}

.quiz-progress {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.quiz-results {
    display: none;
    text-align: center;
    padding: 2rem;
}

.star-rating {
    font-size: 2rem;
    color: gold;
    margin: 1rem 0;
}

/* Simulator Section */
.simulator {
    padding: 4rem 5%;
    background: white;
}

.simulator-container {
    display: flex;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.control-panel {
    flex: 0 0 300px;
    background: var(--light);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.control-group {
    margin-bottom: 1.5rem;
}

.control-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.control-group input[type="range"] {
    width: 100%;
    margin-bottom: 0.5rem;
}

.value-display {
    display: block;
    text-align: right;
    font-weight: 600;
    color: var(--primary);
}

.results-dashboard {
    flex: 1;
    background: var(--light);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    margin: 0.5rem 0;
}

.positive {
    color: var(--success);
}

.negative {
    color: var(--danger);
}

.warning {
    color: var(--warning);
}

.main-chart {
    height: 300px;
    margin-top: 2rem;
}

/* Resources Section */
.resources {
    padding: 4rem 5%;
    background: var(--light);
}

.resource-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.resource-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    text-decoration: none;
    color: var(--dark);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.resource-card h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

/* Debt Calculator Section */
.debt-calculator {
    padding: 4rem 5%;
    background: white;
}

.calculator-container {
    display: flex;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
    background: var(--light);
    border-radius: 12px;
    padding: 2rem;
}

.calculator-inputs {
    flex: 1;
}

.calculator-results {
    flex: 1;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.input-group input {
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--gray);
}

.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--gray-light);
}

.result-item span:last-child {
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .simulator-container {
        flex-direction: column;
    }
    
    .control-panel {
        flex: 1;
        width: 100%;
    }
    
    .hero-image {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
    }
    
    .calculator-container {
        flex-direction: column;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}