/* FL Tech Adventures - Demo Frontend Styles */

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

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #dbeafe;
    --text: #1f2937;
    --text-light: #6b7280;
    --background: #f8fafc;
    --white: #ffffff;
    --border: #e5e7eb;
    --success: #10b981;
    --error: #dc2626;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.tagline {
    color: var(--text-light);
    font-size: 1rem;
}

/* Main Content */
main {
    flex: 1;
}

h1 {
    font-size: 2.5rem;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: 1rem;
}

.intro {
    text-align: center;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-size: 1.125rem;
}

/* Demo Cards */
.demo-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.demo-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.demo-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.demo-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary);
}

.demo-card h2 {
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
}

.demo-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
}

.cta-section h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.cta-section p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.cta-button {
    display: inline-block;
    background: var(--white);
    color: var(--primary);
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Footer */
footer {
    text-align: center;
    padding-top: 2rem;
    margin-top: 3rem;
    border-top: 1px solid var(--border);
    color: var(--text-light);
    font-size: 0.875rem;
}

.footer-links {
    margin-top: 0.5rem;
}

.footer-links a {
    color: var(--primary);
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 640px) {
    .container {
        padding: 1.5rem 1rem;
    }

    h1 {
        font-size: 1.875rem;
    }

    .intro {
        font-size: 1rem;
    }

    .demo-card {
        padding: 1.5rem;
    }

    .cta-section {
        padding: 2rem 1.5rem;
    }
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }