:root {
    --bg-dark: #070B19;
    --bg-card: rgba(20, 26, 45, 0.7);
    --primary: #0052FF;
    --primary-hover: #0043D1;
    --text-main: #FFFFFF;
    --text-muted: #9CA3AF;
    --border-color: rgba(255, 255, 255, 0.1);
    --success: #10B981;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3 {
    font-weight: 800;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 40px;
    text-align: center;
}

.highlight {
    background: linear-gradient(135deg, #00C6FF 0%, #0072FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons */
.primary-btn {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 18px 40px;
    font-size: 1.125rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(0, 82, 255, 0.3);
    width: 100%;
    max-width: 400px;
}

.primary-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0, 82, 255, 0.4);
}

.secondary-btn {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.secondary-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Navbar */
.navbar {
    padding: 24px 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.nav-btn {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.2s;
}

.nav-btn:hover {
    background-color: white;
    color: var(--bg-dark);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    background: radial-gradient(circle at 50% 0%, rgba(0, 82, 255, 0.15) 0%, transparent 70%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.badge {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 30px;
    font-size: clamp(0.65rem, 3vw, 0.875rem);
    white-space: nowrap;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.pulse {
    width: 8px;
    height: 8px;
    background-color: #EF4444;
    border-radius: 50%;
    margin-right: 10px;
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    animation: pulse-red 2s infinite;
}

@keyframes pulse-red {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.guarantee {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* How it works */
.how-it-works {
    padding: 100px 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 64px;
}

.step-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    padding: 40px 30px;
    border-radius: 24px;
    position: relative;
    transition: transform 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 82, 255, 0.5);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 30px;
    font-size: 4rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
    line-height: 1;
}

.step-icon {
    color: var(--primary);
    margin-bottom: 24px;
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.step-card p {
    color: var(--text-muted);
}

/* FAQ */
.faq {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(255,255,255,0.02) 100%);
}

.faq-box {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 48px;
    border-radius: 24px;
}

.faq-box h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: #F87171;
}

.faq-box p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.faq-box p:last-child {
    margin-bottom: 0;
}

/* Bottom CTA */
.bottom-cta {
    padding: 120px 0;
    text-align: center;
}

.bottom-cta p {
    color: var(--text-muted);
    font-size: 1.25rem;
    margin-bottom: 40px;
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

footer p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: #111827;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 450px;
    border-radius: 24px;
    position: relative;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.close-modal {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
}

.close-modal:hover {
    color: white;
}

.modal-header {
    padding: 32px 32px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.modal-header p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.modal-body {
    padding: 32px;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 1.125rem;
}

hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.fake-stripe-form {
    margin-bottom: 24px;
}

.fake-stripe-form label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.input-field {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 14px 16px;
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    margin-bottom: 16px;
    font-family: 'Inter', sans-serif;
}

.input-field:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 82, 255, 0.05);
}

.row {
    display: flex;
    gap: 16px;
}

.half {
    width: 50%;
}

.pay-btn {
    width: 100%;
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 16px;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.pay-btn:hover {
    background-color: var(--primary-hover);
}

.stripe-badge {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 16px;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.modal-content.success {
    text-align: center;
    padding: 48px 32px;
}

.modal-content.success h3 {
    margin-bottom: 16px;
    color: var(--success);
}

.small-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 24px;
    margin-bottom: 24px;
}

/* Responsive */
@media (max-width: 768px) {
    .faq-box {
        padding: 32px 24px;
    }
    
    .modal-content {
        width: 95%;
    }
    
    .hero {
        padding-top: 120px;
        padding-bottom: 60px;
    }

    .how-it-works, .faq, .bottom-cta {
        padding: 60px 0;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
        margin-bottom: 32px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .step-card {
        padding: 30px 20px;
    }

    .step-number {
        font-size: 3.5rem;
        left: 20px;
        top: -20px;
    }
    
    .modal-body {
        padding: 24px;
    }
}

.highlight-red {
    color: #EF4444;
    font-weight: 800;
}