/* ============================================
   BribeYourselfFit Landing Page Styles
   Created: 2025
   
   COLOR PALETTE:
   - Primary Purple: #667eea
   - Secondary Purple: #764ba2
   - Dark Text: #2d3748
   - Light Text: #718096
   - White: #ffffff
   
   This file uses CSS Grid and Flexbox for layout.
   Mobile-first responsive design.
   ============================================ */

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #2d3748;
    line-height: 1.6;
    background: #f7fafc;
}

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

/* ============================================
   HERO SECTION - First thing visitors see
   ============================================ */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0 4rem;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.hero .tagline {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 300;
}

.hero .subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Call-to-Action Buttons */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: white;
    color: #667eea;
}

.btn-primary:hover {
    background: #f7fafc;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    padding: 4rem 0;
    background: white;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2d3748;
}

/* Grid layout for feature cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    border-radius: 12px;
    background: #f7fafc;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #2d3748;
}

.feature-card p {
    color: #718096;
    line-height: 1.7;
}

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */
.how-it-works {
    padding: 4rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: white;
    color: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

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

.step p {
    opacity: 0.9;
}

/* ============================================
   STORAGE OPTIONS SECTION
   ============================================ */
.storage-options {
    padding: 4rem 0;
    background: white;
}

.storage-options h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2d3748;
}

.section-intro {
    text-align: center;
    font-size: 1.2rem;
    color: #718096;
    margin-bottom: 3rem;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.option-card {
    padding: 2rem;
    border-radius: 12px;
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.option-card:hover {
    border-color: #667eea;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

/* Highlighted card (Firebase) */
.option-card.highlighted {
    border-color: #667eea;
    background: linear-gradient(135deg, #667eea10 0%, #764ba210 100%);
}

.option-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: #2d3748;
}

.option-tag {
    font-size: 0.9rem;
    color: #667eea;
    font-weight: 600;
    margin-bottom: 1rem;
    display: block;
}

.option-card ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.option-card ul li {
    padding: 0.5rem 0;
    color: #718096;
}

/* Checkmark bullets */
.option-card ul li:before {
    content: "✓ ";
    color: #48bb78;
    font-weight: bold;
    margin-right: 0.5rem;
}

.option-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.option-link:hover {
    color: #764ba2;
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats {
    padding: 4rem 0;
    background: #f7fafc;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat {
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: #718096;
}

/* ============================================
   FINAL CTA SECTION
   ============================================ */
.final-cta {
    padding: 4rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.final-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.final-cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.footnote {
    margin-top: 1.5rem !important;
    font-size: 1rem !important;
    opacity: 0.7 !important;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    padding: 2rem 0;
    background: #2d3748;
    color: white;
    text-align: center;
}

footer p {
    margin: 0.5rem 0;
}

footer a {
    color: #667eea;
    text-decoration: none;
}

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

/* ============================================
   RESPONSIVE DESIGN - Mobile Adjustments
   ============================================ */

/* Tablets and smaller */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero .tagline {
        font-size: 1.2rem;
    }
    
    .hero .subtitle {
        font-size: 1rem;
    }
    
    .features h2,
    .how-it-works h2,
    .storage-options h2,
    .final-cta h2 {
        font-size: 2rem;
    }
    
    .feature-grid,
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile phones */
@media (max-width: 480px) {
    .hero {
        padding: 4rem 0 3rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}