:root {
    --primary-color: #3a56e4;
    --primary-dark: #2a46d4;
    --primary-light: #617beb;
    --secondary-color: #ff6b6b;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --body-bg: #f8f9fa;
    --text-color: #333;
    --card-bg: #fff;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --section-padding: 80px 0;
}

/* Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: var(--text-color);
    background-color: var(--body-bg);
    line-height: 1.6;
}

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

a:hover {
    color: var(--primary-dark);
}

/* Header & Navigation */
header {
    background-color: var(--primary-color);
}

.navbar {
    padding: 1rem 0;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
}

.logo-img {
    height: 40px;
    width: auto;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    padding: 0.5rem 1rem;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: white;
}

.auth-buttons .btn {
    padding: 0.5rem 1.5rem;
    font-weight: 600;
}

/* Section Styles */
.section-title {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: #6c757d;
    margin-bottom: 2rem;
}

/* Hero Section */
.hero-section {
    padding: 100px 0;
}

.hero-section h1 {
    font-weight: 800;
    color: var(--dark-color);
}

.hero-section .lead {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Features Section */
.feature-card {
    border: none;
    transition: var(--transition);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    color: var(--primary-color);
}

/* Advertisers & Publishers Sections */
.feature-list {
    list-style: none;
    padding-left: 0;
}

.feature-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.feature-list li i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.check-list {
    list-style: none;
    padding-left: 0;
}

.check-list li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.check-list li:before {
    content: "\f00c";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* CTA Section */
.cta-card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
    color: white;
}

/* Contact Page */
.contact-icon {
    color: var(--primary-color);
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f8f9fa;
    color: var(--primary-color);
    transition: var(--transition);
    margin-right: 0.5rem;
}

.social-link:hover {
    background-color: var(--primary-color);
    color: white;
}

.map-container {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: #ecf0f1;
    padding: 60px 0 20px;
}

.footer-heading {
    color: white;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer a {
    color: #ecf0f1;
    transition: var(--transition);
}

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

.footer .social-links {
    margin-top: 1.5rem;
}

.footer .social-link {
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    margin-right: 0.5rem;
}

.footer .social-link:hover {
    background-color: var(--primary-color);
}

.footer-policies .list-inline-item:not(:last-child) {
    margin-right: 1.5rem;
}

/* Team Section */
.team-card {
    border: none;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Values Section */
.value-card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Testimonials */
.testimonial-card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

/* Targeting List */
.targeting-list {
    list-style: none;
    padding-left: 0;
}

.targeting-list li {
    margin-bottom: 0.75rem;
    font-weight: 500;
}

/* Ad Format Icons */
.format-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
}

/* Benefits Cards */
.benefit-card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
    color: var(--primary-color);
}

/* Responsive Adjustments */
@media (max-width: 992px) {
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 40px 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}