/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Header */
.header {
    padding: 20px 0;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: #000;
}

.cta-button, .hero-cta {
    background: #000;
    color: #fff;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover, .hero-cta:hover {
    background: #333;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    text-align: left;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #000;
}

.hero-subtitle {
    font-size: 24px;
    color: #555;
    margin-bottom: 10px;
}

.hero-description {
    font-size: 18px;
    color: #777;
    margin-bottom: 40px;
}

.hero-cta {
    font-size: 18px;
    padding: 16px 32px;
}

.hero-screenshot {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-screenshot .screenshot-placeholder {
    width: 100%;
    max-width: 650px;
    height: 350px;
    background: #f8f9fa;
    border: 2px dashed #ddd;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-title {
        font-size: 36px;
    }
}

/* Problems Section */
.problems {
    padding: 80px 0;
    background: #fff;
}

.problems h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #000;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.problem-item {
    text-align: center;
    padding: 40px 20px;
    border-radius: 12px;
    background: #f8f9fa;
    transition: transform 0.3s ease;
}

.problem-item:hover {
    transform: translateY(-5px);
}

.problem-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.problem-item h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #000;
}

.problem-item p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* Solution Section */
.solution {
    padding: 80px 0;
    background: #f8f9fa;
}

.solution h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #000;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.solution-item {
    text-align: center;
    padding: 40px 20px;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.solution-item:hover {
    transform: translateY(-5px);
}

.solution-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.solution-item h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #000;
}

.solution-item p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* How it works Section */
.how-it-works {
    padding: 80px 0;
    background: #fff;
}

.how-it-works h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #000;
}

.product-screenshot {
    text-align: center;
    margin-bottom: 60px;
}

.product-screenshot .screenshot-placeholder {
    max-width: 800px;
    height: 400px;
    margin: 0 auto;
    background: #f8f9fa;
    border: 2px dashed #ddd;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.placeholder-icon {
    font-size: 48px;
    opacity: 0.6;
}

.screenshot-placeholder p {
    font-size: 18px;
    font-weight: 600;
    color: #666;
    margin: 0;
}

.screenshot-placeholder small {
    font-size: 14px;
    color: #999;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
    padding: 30px 20px;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #000;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #000;
}

.step p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* How it works steps in pricing section */
.how-it-works-steps {
    max-width: 600px;
    margin: 0 auto 60px;
    padding: 40px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: left;
}

.how-it-works-steps h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 30px;
    color: #000;
    text-align: center;
}

.steps-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.steps-list li {
    position: relative;
    padding: 20px 0 20px 60px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
}

.steps-list li:last-child {
    border-bottom: none;
}

.steps-list li::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    left: 0;
    top: 15px;
    width: 40px;
    height: 40px;
    background: #000;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.steps-list {
    counter-reset: step-counter;
}

.steps-list li:last-child {
    color: #22c55e;
    font-weight: 500;
}

@media (max-width: 768px) {
    .how-it-works-steps {
        padding: 30px 20px;
        margin: 0 auto 40px;
    }
    
    .how-it-works-steps h3 {
        font-size: 24px;
    }
    
    .steps-list li {
        padding: 15px 0 15px 50px;
        font-size: 15px;
    }
    
    .steps-list li::before {
        width: 35px;
        height: 35px;
        top: 12px;
        font-size: 13px;
    }
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: #f8f9fa;
    text-align: center;
}

.pricing h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 40px;
    color: #000;
}

.pricing-card {
    max-width: 400px;
    margin: 0 auto;
    padding: 40px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.pricing-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #000;
}

.price {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
}

.registration-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.registration-form input {
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.registration-form input:focus {
    outline: none;
    border-color: #000;
}

.registration-form button {
    background: #000;
    color: #fff;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.registration-form button:hover {
    background: #333;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    padding: 40px 0;
    background: #000;
    color: #fff;
    text-align: center;
}

.footer p {
    font-size: 14px;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .problems-grid,
    .solution-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .problems h2,
    .solution h2,
    .how-it-works h2,
    .pricing h2 {
        font-size: 28px;
    }
    
    .problem-item,
    .solution-item {
        padding: 30px 15px;
    }
}