/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #00FF88;
    --color-primary-dark: #00CC66;
    --color-success: #00FF88;
    --color-text: #FFFFFF;
    --color-text-secondary: #E0E0E0;
    --color-bg: #000000;
    --color-bg-secondary: #0A0A0A;
    --color-bg-card: #111111;
    --color-border: #222222;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 16px;
    --shadow-sm: 0 4px 24px rgba(0, 255, 136, 0.15);
    --shadow-md: 0 8px 32px rgba(0, 255, 136, 0.2);
    --shadow-lg: 0 16px 48px rgba(0, 255, 136, 0.25);
    --glow-green: 0 0 20px rgba(0, 255, 136, 0.5);
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-weight: 500;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 80px 0;
    background: var(--color-bg);
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 255, 136, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-content {
    max-width: 100%;
}

.badge {
    display: inline-block;
    padding: 10px 24px;
    background: rgba(0, 255, 136, 0.15);
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 700;
    border-radius: 100px;
    margin-bottom: 32px;
    border: 2px solid var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--glow-green);
}

.hero h1 {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 32px;
    letter-spacing: -1px;
    color: #FFFFFF;
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

.hero-subtitle {
    font-size: clamp(16px, 2.5vw, 22px);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 48px;
    font-weight: 500;
}

.hero-stats {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    text-shadow: var(--glow-green);
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Form Card */
.hero-form {
    width: 100%;
}

.form-card {
    background: var(--color-bg-card);
    border-radius: var(--radius);
    padding: 48px;
    box-shadow: 0 0 0 2px var(--color-border), var(--shadow-lg);
    position: relative;
    width: 100%;
}

.form-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary);
    border-radius: var(--radius) var(--radius) 0 0;
}

.form-card h2 {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 800;
    margin-bottom: 12px;
    color: #FFFFFF;
    letter-spacing: -0.5px;
}

.form-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: 36px;
    font-size: clamp(14px, 2vw, 16px);
    font-weight: 500;
}

.lead-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group label {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    padding: 16px 20px;
    font-size: 16px;
    font-weight: 500;
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    transition: all 0.3s;
    font-family: var(--font-primary);
    color: #FFFFFF;
    width: 100%;
}

.form-group input::placeholder {
    color: #666666;
    font-weight: 400;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(0, 255, 136, 0.2), var(--glow-green);
    background: #000000;
}

.btn-primary {
    background: var(--color-primary);
    color: #000000;
    border: none;
    padding: 18px 36px;
    font-size: 17px;
    font-weight: 800;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md), var(--glow-green);
    background: var(--color-primary-dark);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-secondary:hover {
    background: rgba(0, 255, 136, 0.1);
    box-shadow: var(--glow-green);
}

.form-privacy {
    font-size: 13px;
    color: var(--color-text-secondary);
    text-align: center;
    margin-top: 12px;
    font-weight: 500;
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    animation: spin 0.8s linear infinite;
}

.spinner circle {
    stroke-dasharray: 50;
    stroke-dashoffset: 0;
    animation: dash 1.5s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes dash {
    0% { stroke-dashoffset: 50; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -50; }
}

/* Success Message */
.success-message {
    text-align: center;
    padding: 40px;
}

.success-icon {
    width: 72px;
    height: 72px;
    color: var(--color-success);
    margin: 0 auto 32px;
    stroke-width: 3;
    filter: drop-shadow(0 0 15px var(--color-success));
}

.success-message h3 {
    font-size: clamp(20px, 4vw, 28px);
    margin-bottom: 12px;
    color: #FFFFFF;
    font-weight: 800;
}

.success-message p {
    color: var(--color-text-secondary);
    margin-bottom: 28px;
    font-size: clamp(14px, 2vw, 16px);
    font-weight: 500;
}

/* Features Section */
.features {
    padding: clamp(60px, 10vw, 120px) 0;
    background: var(--color-bg);
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    text-align: center;
    margin-bottom: clamp(40px, 8vw, 72px);
    letter-spacing: -1px;
    color: #FFFFFF;
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 36px;
    background: var(--color-bg-card);
    border-radius: var(--radius);
    border: 2px solid var(--color-border);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.feature-icon {
    font-size: clamp(40px, 7vw, 56px);
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px var(--color-primary));
}

.feature-card h3 {
    font-size: clamp(18px, 3vw, 22px);
    font-weight: 800;
    margin-bottom: 12px;
    color: #FFFFFF;
    letter-spacing: -0.5px;
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: clamp(14px, 2vw, 16px);
    line-height: 1.7;
    font-weight: 500;
}

/* Chapters Section */
.chapters {
    padding: clamp(60px, 10vw, 120px) 0;
    background: var(--color-bg-secondary);
}

.chapters-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.chapter-item {
    display: flex;
    align-items: flex-start;
    gap: 28px;
    padding: 28px;
    background: var(--color-bg-card);
    border-radius: var(--radius);
    border: 2px solid var(--color-border);
    transition: all 0.3s;
}

.chapter-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transform: translateX(8px);
}

.chapter-number {
    font-size: clamp(24px, 5vw, 32px);
    font-weight: 900;
    color: var(--color-primary);
    min-width: 56px;
    text-shadow: var(--glow-green);
    flex-shrink: 0;
}

.chapter-content {
    flex: 1;
    min-width: 0;
}

.chapter-content h3 {
    font-size: clamp(16px, 3vw, 20px);
    font-weight: 800;
    margin-bottom: 8px;
    color: #FFFFFF;
    letter-spacing: -0.3px;
}

.chapter-content p {
    color: var(--color-text-secondary);
    font-size: clamp(13px, 2vw, 15px);
    font-weight: 500;
}

/* CTA Section */
.cta {
    padding: clamp(60px, 10vw, 120px) 0;
    background: var(--color-bg);
    color: white;
    position: relative;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.15) 0%, transparent 70%);
    filter: blur(80px);
}

.cta-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    margin-bottom: 20px;
    color: #FFFFFF;
    letter-spacing: -1px;
}

.cta p {
    font-size: clamp(16px, 2.5vw, 20px);
    margin-bottom: 40px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.cta .btn-primary {
    background: #FFFFFF;
    color: #000000;
    display: inline-flex;
    width: auto;
}

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

/* Footer */
.footer {
    padding: clamp(40px, 6vw, 56px) 0;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 15px;
    font-weight: 600;
    border-top: 2px solid var(--color-border);
    background: var(--color-bg);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .hero .container {
        gap: 60px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
        margin: 0 auto;
    }
    
    .hero {
        padding: 60px 0;
        min-height: auto;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .hero::after {
        width: 80%;
        opacity: 0.5;
    }
    
    .badge {
        font-size: 12px;
        padding: 8px 18px;
        margin: 0 auto 24px;
    }
    
    .hero-stats {
        gap: 32px;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .feature-card {
        text-align: center;
    }
    
    .form-card {
        padding: 32px 24px;
        margin: 0 auto;
    }
    
    .chapter-item {
        gap: 20px;
        padding: 20px;
        text-align: left;
    }
    
    .chapter-number {
        min-width: 44px;
    }
    
    .cta-content {
        padding: 0 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
        margin: 0 auto;
    }
    
    .hero {
        padding: 40px 0;
    }
    
    .hero .container {
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .hero-stats {
        gap: 24px;
        justify-content: center;
    }
    
    .form-card {
        padding: 24px 20px;
        margin: 0 auto;
    }
    
    .btn-primary {
        padding: 16px 28px;
        font-size: 15px;
    }
    
    .feature-card {
        padding: 28px;
        text-align: center;
    }
    
    .chapter-item {
        flex-direction: column;
        gap: 12px;
        padding: 20px;
        text-align: center;
    }
    
    .chapter-number {
        min-width: auto;
        margin: 0 auto;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .hero::after,
    .cta::before {
        display: none;
    }
}