/* Color Palette */
:root {
    --saffron: #FF9933;
    --white: #FFFFFF;
    --green: #138808;
    --dark-green: #0D5C06;
    --light-saffron: #FFB366;
    --light-green: #1FAB11;
    --bg-light: #F5F5F5;
    --text-dark: #333333;
    --border-color: #DDDDDD;
    --shadow: rgba(0, 0, 0, 0.1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--saffron) 0%, var(--light-saffron) 100%);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
    box-shadow: 0 4px 6px var(--shadow);
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 1.3rem;
    font-weight: 300;
}

/* Navigation Styles */
.navigation {
    background: linear-gradient(135deg, var(--green) 0%, var(--light-green) 100%);
    padding: 15px 0;
    box-shadow: 0 2px 4px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navigation .container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.nav-btn {
    background-color: var(--white);
    color: var(--green);
    border: 2px solid var(--white);
    padding: 12px 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background-color: var(--green);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

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

/* Main Content */
main {
    padding: 40px 0;
}

/* Content Sections */
.content-section {
    display: none;
    background-color: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 8px var(--shadow);
    margin-bottom: 30px;
    animation: fadeIn 0.5s ease-in;
}

.content-section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-section h2 {
    color: var(--saffron);
    font-size: 2.5rem;
    margin-bottom: 25px;
    border-bottom: 4px solid var(--green);
    padding-bottom: 15px;
}

.content-section h3 {
    color: var(--green);
    font-size: 1.8rem;
    margin-top: 30px;
    margin-bottom: 15px;
}

.content-section h4 {
    color: var(--dark-green);
    font-size: 1.3rem;
    margin-top: 20px;
    margin-bottom: 10px;
}

.content-section p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

/* Info Box */
.info-box {
    background: linear-gradient(135deg, #FFF5E6 0%, #E8F5E8 100%);
    border-left: 5px solid var(--saffron);
    padding: 20px;
    margin: 20px 0;
    border-radius: 8px;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.benefit-card {
    background: linear-gradient(135deg, var(--green) 0%, var(--light-green) 100%);
    color: var(--white);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 6px var(--shadow);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px var(--shadow);
}

.benefit-card h4 {
    color: var(--white);
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.benefit-card p {
    font-size: 1rem;
}

/* Steps Container */
.steps-container {
    margin: 30px 0;
}

.step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    padding: 20px;
    background-color: var(--bg-light);
    border-radius: 10px;
    border-left: 5px solid var(--saffron);
    transition: all 0.3s ease;
}

.step:hover {
    box-shadow: 0 6px 12px var(--shadow);
    transform: translateX(5px);
}

.step-number {
    background: linear-gradient(135deg, var(--saffron) 0%, var(--light-saffron) 100%);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-right: 20px;
    flex-shrink: 0;
}

.step-content h3 {
    color: var(--green);
    font-size: 1.4rem;
    margin-top: 0;
    margin-bottom: 10px;
}

.step-content p {
    margin-bottom: 0;
}

/* Ad Type Styles */
.ad-type {
    margin-bottom: 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.ad-type:hover {
    border-color: var(--saffron);
    box-shadow: 0 4px 8px var(--shadow);
}

.ad-type-header {
    background: linear-gradient(135deg, var(--green) 0%, var(--light-green) 100%);
    color: var(--white);
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.ad-type-header:hover {
    background: linear-gradient(135deg, var(--dark-green) 0%, var(--green) 100%);
}

.ad-type-header h3 {
    margin: 0;
    color: var(--white);
    font-size: 1.4rem;
}

.toggle-icon {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.ad-type-content {
    padding: 25px;
    background-color: var(--white);
    display: none;
    animation: slideDown 0.3s ease;
}

.ad-type-content.show {
    display: block;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 1000px;
    }
}

.ad-type-content p {
    margin-bottom: 12px;
}

.ad-type-content strong {
    color: var(--green);
}

/* Metric Cards */
.metric-card {
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 2px 4px var(--shadow);
    transition: all 0.3s ease;
}

.metric-card:hover {
    border-color: var(--saffron);
    box-shadow: 0 6px 12px var(--shadow);
    transform: translateY(-3px);
}

.metric-card h3 {
    color: var(--saffron);
    margin-top: 0;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--green);
}

.metric-content p {
    margin-bottom: 15px;
}

.metric-content strong {
    color: var(--green);
    font-weight: 600;
}

/* Example Box */
.example-box {
    background: linear-gradient(135deg, #FFF5E6 0%, #E8F5E8 100%);
    border: 2px solid var(--saffron);
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
}

.example-box h4 {
    color: var(--saffron);
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.example-box p {
    margin-bottom: 8px;
    font-size: 1rem;
}

.example-box .result {
    background-color: var(--green);
    color: var(--white);
    padding: 12px;
    border-radius: 6px;
    margin-top: 15px;
    font-weight: 600;
}

/* Calculator Styles */
.calculator-intro {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.calculator-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.calculator-section {
    background: linear-gradient(135deg, #FFF5E6 0%, #E8F5E8 100%);
    border: 2px solid var(--saffron);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 6px var(--shadow);
}

.calculator-section h3 {
    color: var(--saffron);
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.5rem;
    text-align: center;
    border-bottom: 2px solid var(--green);
    padding-bottom: 10px;
}

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

.input-group label {
    display: block;
    color: var(--green);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 1rem;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--saffron);
    box-shadow: 0 0 0 3px rgba(255, 153, 51, 0.1);
}

.calc-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--green) 0%, var(--light-green) 100%);
    color: var(--white);
    border: none;
    padding: 14px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.calc-btn:hover {
    background: linear-gradient(135deg, var(--dark-green) 0%, var(--green) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--shadow);
}

.calc-btn:active {
    transform: translateY(0);
}

.calc-result {
    margin-top: 20px;
    padding: 15px;
    background-color: var(--white);
    border-radius: 8px;
    border-left: 4px solid var(--saffron);
    font-size: 1rem;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calc-result.success {
    background-color: var(--green);
    color: var(--white);
    font-weight: 600;
    font-size: 1.1rem;
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--saffron) 0%, var(--light-saffron) 100%);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
    margin-top: 50px;
}

footer p {
    margin-bottom: 10px;
}

.disclaimer {
    font-size: 0.9rem;
    font-style: italic;
    max-width: 900px;
    margin: 20px auto 0;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .content-section {
        padding: 20px;
    }

    .content-section h2 {
        font-size: 1.8rem;
    }

    .content-section h3 {
        font-size: 1.4rem;
    }

    .nav-btn {
        padding: 10px 15px;
        font-size: 0.9rem;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .step {
        flex-direction: column;
    }

    .step-number {
        margin-bottom: 15px;
    }

    .calculator-container {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}