/* ===================================
   Global Styles & Reset
   =================================== */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
}

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

section {
    padding: 30px 0;
}

h1, h2, h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
}

h3 {
    font-size: 1.3rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
    color: #555;
}

/* ===================================
   Button Styles
   =================================== */

.cta-button {
    display: inline-block;
    padding: 14px 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.hero-text {
    flex: 1;
    min-width: 300px;
}

.hero h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero .cta-button {
    background: white;
    color: #667eea;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.hero .cta-button:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* ===================================
   Phone Mockup (CSS-only)
   =================================== */

.hero-mockup {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 280px;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: #333;
    border-radius: 3px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 30px;
    overflow: hidden;
}

.mockup-content {
    padding: 30px 20px 20px;
    height: 100%;
}

.mockup-header {
    width: 100%;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    margin-bottom: 20px;
}

.mockup-body {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mockup-card {
    width: 100%;
    height: 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
    border-radius: 12px;
}

/* ===================================
   Content Cards
   =================================== */

.content-card {
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.content-card h2 {
    color: #667eea;
    margin-bottom: 1.5rem;
}

.content-card p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

/* ===================================
   Section Titles
   =================================== */

.section-title {
    text-align: center;
    color: #2c3e50;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

/* ===================================
   Features Section
   =================================== */

.features-section {
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.feature-card h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}

/* ===================================
   How It Works Section
   =================================== */

.how-it-works-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.how-it-works-section .section-title {
    color: white;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.step-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, background 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
}

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

.step-card h3 {
    color: white;
    margin-bottom: 1rem;
}

.step-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* ===================================
   Benefits Section
   =================================== */

.benefits-section {
    background: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border: 2px solid #667eea;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.benefit-card h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: #666;
    line-height: 1.6;
}

/* ===================================
   Free Section
   =================================== */

.free-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
}

.highlight-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.highlight-card h2 {
    color: white;
    font-size: 2.5rem;
}

.highlight-card p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.15rem;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.highlight-card .cta-button {
    background: white;
    color: #667eea;
    margin-top: 1rem;
}

/* ===================================
   FAQ Section
   =================================== */

.faq-section {
    background: white;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.faq-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.faq-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.faq-card h3 {
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.faq-card p {
    color: #666;
    margin-bottom: 0;
    line-height: 1.6;
}

/* ===================================
   Final CTA Section
   =================================== */

.final-cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 0;
}

.cta-card {
    text-align: center;
    color: white;
}

.cta-card h2 {
    color: white;
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}

.cta-card p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.cta-card .cta-button {
    background: white;
    color: #667eea;
    font-size: 1.2rem;
    padding: 16px 40px;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(102, 126, 234, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 60% 70%, rgba(118, 75, 162, 0.2) 0%, transparent 40%),
        linear-gradient(135deg, 
            transparent 0%, 
            transparent 25%,
            rgba(102, 126, 234, 0.1) 25%,
            rgba(102, 126, 234, 0.1) 50%,
            transparent 50%,
            transparent 75%,
            rgba(118, 75, 162, 0.1) 75%,
            rgba(118, 75, 162, 0.1) 100%
        );
    background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%, 80px 80px;
    z-index: 1;
}

.footer .container {
    position: relative;
    z-index: 2;
}

.footer p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
    font-size: 1rem;
}

/* ===================================
   Mobile Responsive Styles
   =================================== */

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero {
        padding: 60px 0;
        min-height: auto;
    }
    
    .hero-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .phone-mockup {
        width: 240px;
        height: 480px;
    }
    
    .content-card {
        padding: 30px 25px;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .features-grid,
    .benefits-grid,
    .steps-grid,
    .faq-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-card,
    .benefit-card,
    .step-card,
    .faq-card {
        padding: 25px;
    }
    
    .cta-card h2 {
        font-size: 2rem;
    }
    
    .cta-card p {
        font-size: 1.1rem;
    }
    
    .highlight-card h2 {
        font-size: 1.8rem;
    }
    
    section {
        padding: 20px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 12px 24px;
        font-size: 1rem;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
    
    .content-card {
        padding: 25px 20px;
    }
}