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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --dark: #0f172a;
    --dark-blue: #1e293b;
    --darker-blue: #0a1628;
    --light: #f8fafc;
    --gray: #94a3b8;
    --success: #10b981;
    --card-bg: #1e293b;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--light);
    background: var(--darker-blue);
}

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

/* Header */
header {
    background: var(--darker-blue);
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(99, 102, 241, 0.4);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-large {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: var(--dark-blue);
    color: white;
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 14px 50px;
    font-size: 18px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    box-shadow: 0 8px 32px 0 rgba(99, 102, 241, 0.5);
    font-weight: 700;
    border-radius: 50px;
    color: #fff;
    text-shadow: 0 2px 8px rgba(30, 41, 59, 0.25);
}

.btn-large:focus, .btn-large:active {
    outline: none;
    box-shadow: 0 0 0 4px var(--primary-color), 0 8px 32px 0 rgba(99, 102, 241, 0.5);
}

.btn-large:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.6);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: white;
    padding: 25px 20px 35px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 15px;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 8px;
    font-weight: 900;
    letter-spacing: -2px;
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 15px;
    margin-bottom: 20px;
    opacity: 0.8;
    font-weight: 400;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-features span {
    font-size: 14px;
    opacity: 0.8;
}

/* Features Section */
.features {
    padding: 35px 20px;
    background: var(--dark);
}

.features h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 30px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature {
    text-align: center;
    padding: 20px;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: var(--card-bg);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.feature:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.feature h3 {
    font-size: 18px;
    margin-bottom: 6px;
}

.feature p {
    color: var(--gray);
    font-size: 13px;
}

/* Pricing Section */
.pricing {
    padding: 35px 20px;
    background: var(--darker-blue);
}

.pricing h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 25px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}

.plan {
    background: var(--card-bg);
    padding: 25px 20px;
    border-radius: 12px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
    border: 2px solid rgba(99, 102, 241, 0.2);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.plan:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.plan.popular {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.plan.best-value {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.08);
}

.plan.best-value .plan-badge {
    background: var(--success);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.plan-period {
    font-size: 18px;
    font-weight: 700;
    color: white;
}

.plan-price {
    font-size: 34px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.plan-save {
    font-size: 13px;
    color: var(--success);
    font-weight: 600;
}

.btn-plan {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    display: inline-block;
    margin-top: auto;
    font-size: 14px;
}

.btn-plan:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.5);
}

.pricing-note {
    text-align: center;
    margin-top: 20px;
    color: var(--gray);
    font-size: 13px;
}

/* How It Works Section */
.how-it-works {
    padding: 35px 20px;
    background: var(--dark);
}

.how-it-works h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 30px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 25mplate-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.step {
    text-align: center;
}

.step-numbe45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    margin: 0 auto 12px;
}

.step h3 {
    font-size: 18px;
    margin-bottom: 6px;
}

.step p {
    color: var(--gray);
    font-size: 13px;
}

/* CTA Section */
.cta {
    padding: 45px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 32px;
    margin-bottom: 12px;
}

.cta p {
    font-size: 16px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta .btn-large {
    background: white !important;
    color: var(--primary-color) !important;
    border: 3px solid white !important;
    box-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.4), 0 0 0 4px rgba(255, 255, 255, 0.15) !important;
    font-weight: 700;
    text-shadow: none !important;
}

.cta .btn-large:hover {
    background: var(--light) !important;
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.5) !important;
}

/* Footer */
footer {
    background: var(--darker-blue);
    color: var(--light);
    padding: 30px 20px;
    text-align: center;
    border-top: 1px solid rgba(99, 102, 241, 0.2);
}

footer p {
    margin: 0;
    font-size: 14px;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--secondary-color);
}

/* Setup Guides Section */
.setup-guides {
    padding: 35px 20px;
    background: var(--darker-blue);
}

.setup-guides h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 10px;
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 30px;
}

.platforms-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.platform-tab {
    background: var(--card-bg);
    border: 2px solid rgba(99, 102, 241, 0.2);
    color: var(--light);
    padding: 12px 20px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.platform-tab:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.platform-tab.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: var(--primary-color);
    color: white;
}

.platform-icon {
    font-size: 20px;
}

.platform-content {
    display: none;
    max-width: 900px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.platform-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.platform-content h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.guide-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.guide-step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    flex-shrink: 0;
}

.guide-step-content {
    flex: 1;
}

.guide-step-content h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: white;
}

.guide-step-content p {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 12px;
    line-height: 1.6;
}

.guide-step-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.guide-step-content a:hover {
    text-decoration: underline;
}

.screenshot-placeholder {
    background: rgba(99, 102, 241, 0.1);
    border: 1px dashed rgba(99, 102, 241, 0.3);
    border-radius: 8px;
    padding: 15px;
    color: var(--gray);
    font-size: 13px;
    text-align: center;
    font-style: italic;
}

.guide-screenshot {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 8px;
    border: 1px solid rgba(99, 102, 241, 0.3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.guide-screenshot.mobile {
    max-width: 400px;
}

.guide-footer {
    margin-top: 30px;
    padding: 20px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 10px;
    text-align: center;
}

.guide-footer p {
    margin: 0;
    font-size: 14px;
}

.guide-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .hero {
        padding: 40px 20px 35px;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 15px;
    }
    
    .subtitle {
        font-size: 14px;
    }
    
    .features h2, .pricing h2, .how-it-works h2, .setup-guides h2 {
        font-size: 28px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .platform-tab {
        padding: 10px 15px;
        font-size: 13px;
    }
    
    .platform-content {
        padding: 20px;
    }
    
    .guide-step {
        flex-direction: column;
        gap: 12px;
    }
}