/* Base Styles */
:root {
    --primary-color: #4e54c8;
    --secondary-color: #8f94fb;
    --accent-color: #ff6b6b;
    --text-color: #333;
    --light-text: #777;
    --white: #fff;
    --light-gray: #f5f5f5;
    --border-color: #ddd;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Roboto', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--accent-color);
}

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(78, 84, 200, 0.3);
    color: var(--white);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--light-gray);
    transform: translateY(-2px);
    color: var(--primary-color);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

/* Cookie Consent */
.cookie-banner {
    position: fixed;
    bottom: -100%;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: var(--shadow);
    padding: 20px;
    z-index: 9999;
    transition: var(--transition);
}

.cookie-banner.active {
    bottom: 0;
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.cookie-content p {
    flex: 1;
    margin-right: 20px;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo a {
    display: flex;
    align-items: center;
    color: var(--primary-color);
}

.logo h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-nav {
    display: flex;
}

.main-nav li {
    margin-left: 30px;
}

.main-nav a {
    color: var(--text-color);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.mobile-menu-icon {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 80px 0 40px;
    background: linear-gradient(135deg, rgba(143, 148, 251, 0.1), rgba(78, 84, 200, 0.1));
}

.hero-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--light-text);
}

/* Featured Calculators */
.featured-calculators {
    padding: 80px 0;
}

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

.calculator-card {
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 25px;
    text-align: center;
    transition: var(--transition);
}

.calculator-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.calculator-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    font-size: 1.8rem;
}

.calculator-card h3 {
    margin-bottom: 15px;
    font-weight: 600;
}

.calculator-card p {
    color: var(--light-text);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

/* All Calculators Section */
.all-calculators {
    padding: 80px 0;
    background-color: var(--light-gray);
}

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

.calculator-category h3 {
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 5px;
}

.calculator-category ul li {
    margin-bottom: 10px;
}

.calculator-category ul li a {
    display: block;
    padding: 8px 0;
    transition: var(--transition);
    color: var(--text-color);
}

.calculator-category ul li a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

/* Ad Containers */
.ad-container {
    margin: 20px 0;
    padding: 10px;
    background-color: #f9f9f9;
    border-radius: 4px;
    text-align: center;
    overflow: hidden;
    max-width: 100%;
}

.ad-label {
    display: block;
    text-align: center;
    font-size: 10px;
    color: #999;
    margin-bottom: 5px;
    text-transform: uppercase;
}

/* Desktop ad styles */
.ad-horizontal {
    width: 100%;
    max-width: 970px;
    margin-left: auto;
    margin-right: auto;
}

.ad-sidebar {
    width: 100%;
    max-width: 300px;
}

/* Sticky bottom ad for mobile */
.ad-sticky {
    margin: 0;
    border-radius: 0;
}

/* Hide sticky close button on desktop */
@media (min-width: 769px) {
    .sticky-ad-close {
        display: none;
    }
}

/* Homepage specific ad styles */
.hero .ad-container {
    margin-top: 30px;
}

.featured-calculators .ad-container {
    margin: 30px auto;
}

/* Calculator page ad styles */
.calculator-main .ad-sidebar {
    margin-top: 0;
}

#calculator-side-ad {
    position: sticky;
    top: 20px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .ad-sidebar {
        max-width: 100%;
        margin: 20px auto;
    }
    
    #calculator-side-ad {
        position: static;
    }
    
    .ad-container {
        margin: 15px 0;
    }
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--white);
}

.footer-section p {
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: var(--white);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-5px);
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--white);
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--accent-color);
    margin-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* Calculator Pages */
.calculator-container {
    max-width: 800px;
    margin: 80px auto;
    padding: 30px;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.calculator-header {
    text-align: center;
    margin-bottom: 30px;
}

.calculator-header h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

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

.calculator-form {
    margin-bottom: 30px;
}

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

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

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(78, 84, 200, 0.1);
}

.calculator-result {
    background-color: var(--light-gray);
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 30px;
    display: none;
}

.calculator-result.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    0% { opacity: 0; transform: translateY(-10px); }
    100% { opacity: 1; transform: translateY(0); }
}

.result-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.calculator-description {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.calculator-description h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.calculator-description p {
    margin-bottom: 15px;
    color: var(--light-text);
}

.share-buttons {
    display: flex;
    gap: 10px;
    margin-top: 30px;
}

.share-buttons button {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 15px;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.share-facebook {
    background-color: #3b5998;
    color: var(--white);
}

.share-twitter {
    background-color: #1da1f2;
    color: var(--white);
}

.share-print {
    background-color: var(--light-gray);
    color: var(--text-color);
}

.share-buttons button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: var(--shadow);
        flex-direction: column;
        padding: 20px;
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .main-nav li {
        margin: 10px 0;
    }
    
    .mobile-menu-icon {
        display: block;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .cookie-content {
        flex-direction: column;
    }
    
    .cookie-content p {
        margin-bottom: 15px;
        margin-right: 0;
    }
    
    .ad-sidebar {
        float: none;
        width: 100%;
        height: 300px;
        margin: 40px auto;
    }
    
    .calculator-grid,
    .calculator-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 0 20px;
    }
    
    .hero-content h2 {
        font-size: 1.7rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .featured-calculators,
    .all-calculators {
        padding: 40px 0;
    }
    
    .calculator-container {
        padding: 20px;
        margin: 40px auto;
    }
}