/* Google Maps Course - Common Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: #1a202c;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #1d4ed8 100%);
    min-height: 100vh;
    font-weight: 400;
}

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

/* Header Styles */
.header {
    text-align: center;
    padding: 50px 0 40px;
    color: white;
}

.header h1 {
    font-size: clamp(2.25rem, 4vw, 3.25rem);
    font-weight: 800;
    margin-bottom: 16px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.header .subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: 500;
    margin-bottom: 20px;
    opacity: 0.95;
    letter-spacing: -0.01em;
}

.header .description {
    font-size: clamp(1rem, 1.8vw, 1.125rem);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto 30px;
    opacity: 0.9;
    line-height: 1.5;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 35px 0 20px;
}

.btn-primary {
    display: inline-block;
    padding: 16px 32px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
    border: none;
    letter-spacing: 0.025em;
    position: relative;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(245, 158, 11, 0.4);
    color: white;
}

.btn-secondary {
    display: inline-block;
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    letter-spacing: 0.025em;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Content Sections */
.content-section {
    background: white;
    border-radius: 24px;
    padding: 60px 50px;
    margin-bottom: 50px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.08);
    border: 1px solid rgba(255,255,255,0.1);
}

.section-title {
    color: #1a202c;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 40px;
    text-align: center;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* Feature Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin: 60px 0;
}

.feature-card {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    display: block;
}

.feature-title {
    color: #1a202c;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.feature-card p {
    color: #64748b;
    font-size: 1.1rem;
    line-height: 1.6;
    font-weight: 400;
}

/* Module Overview Cards */
.modules-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.module-overview {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 35px;
    border-radius: 16px;
    border-left: 6px solid #1e40af;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.module-overview:hover {
    transform: translateX(8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.module-overview h3 {
    color: #1a202c;
    margin-bottom: 20px;
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.module-overview ul {
    list-style: none;
    padding-left: 0;
}

.module-overview li {
    padding: 8px 0;
    color: #475569;
    font-size: 1.05rem;
    font-weight: 400;
}

.module-overview li:before {
    content: "✓ ";
    color: #059669;
    font-weight: 700;
    font-size: 1.1rem;
}

/* Examples/Modules Grid */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.module-card {
    background: white;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease, box-shadow 0.3s ease;
}

.module-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.module-title {
    color: #1e40af;
    font-size: 1.5rem;
    margin-bottom: 15px;
    border-bottom: 3px solid #1e40af;
    padding-bottom: 10px;
    font-weight: 600;
}

.examples-list {
    list-style: none;
}

.examples-list li {
    margin-bottom: 12px;
}

.examples-list a {
    display: block;
    padding: 12px 15px;
    background: #f8f9fa;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.examples-list a:hover {
    background: #1e40af;
    color: white;
    border-left-color: #f59e0b;
    transform: translateX(5px);
}

.example-number {
    font-weight: bold;
    color: #1e40af;
    margin-right: 8px;
}

.examples-list a:hover .example-number {
    color: white;
}

/* Instructor Section */
.instructor-section {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 50px;
    align-items: center;
}

.instructor-avatar {
    justify-self: center;
}

.instructor-info h3 {
    color: #1a202c;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.instructor-bio {
    color: #475569;
    font-size: 1.125rem;
    line-height: 1.7;
    font-weight: 400;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.stat-card {
    text-align: center;
    padding: 40px 30px;
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    color: white;
    border-radius: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(30, 64, 175, 0.3);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(30, 64, 175, 0.4);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1;
}

.stat-label {
    font-size: 1.125rem;
    font-weight: 500;
    opacity: 0.95;
}

/* Final CTA */
.final-cta {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    text-align: center;
    border-radius: 24px;
    padding: 80px 50px;
    margin-bottom: 50px;
}

.final-cta h2 {
    color: white;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 30px;
    letter-spacing: -0.02em;
}

.final-cta p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
    font-weight: 400;
}

/* Footer */
.footer {
    text-align: center;
    color: white;
    margin-top: 40px;
    padding: 20px;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .header {
        padding: 40px 0 30px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        margin: 30px 0 15px;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        text-align: center;
        padding: 14px 28px;
        font-size: 15px;
    }

    .instructor-section {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .content-section {
        padding: 40px 25px;
    }

    .final-cta {
        padding: 60px 30px;
    }

    .features-grid,
    .modules-overview,
    .modules-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .btn-primary,
    .btn-secondary {
        padding: 16px 32px;
        font-size: 16px;
    }
}