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

:root {
    /* Sigma Dark Theme Colors */
    --background: hsl(220, 13%, 7%);
    --foreground: hsl(0, 0%, 98%);
    --primary: hsl(213, 100%, 55%);
    --accent: hsl(0, 85%, 55%);
    --secondary: hsl(220, 13%, 15%);
    --muted: hsl(220, 13%, 12%);
    --border: hsl(220, 13%, 20%);
    
    /* Brand Colors */
    --neon-blue: hsl(213, 100%, 55%);
    --neon-red: hsl(0, 85%, 55%);
    --steel-gray: hsl(220, 9%, 55%);
    --dark-steel: hsl(220, 13%, 15%);
    --void-black: hsl(220, 13%, 7%);
    
    /* Effects */
    --gradient-primary: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-red) 100%);
    --shadow-neon: 0 0 20px hsla(213, 100%, 55%, 0.3);
    --shadow-red: 0 0 20px hsla(0, 85%, 55%, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Typography */
.hero-title {
    font-family: 'Orbitron', monospace;
    font-size: 4rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 1rem;
    animation: pulse-neon 2s ease-in-out infinite alternate;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--steel-gray);
    text-align: center;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--foreground);
}

.section-text {
    font-size: 1.2rem;
    color: var(--steel-gray);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem auto;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

.section.dark {
    background-color: var(--dark-steel);
}

/* Hero Section */
.hero-section {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--void-black) 0%, var(--dark-steel) 100%);
    background-image: 
        radial-gradient(circle at 20% 50%, hsla(213, 100%, 55%, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, hsla(0, 85%, 55%, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

/* Buttons */
.cta-button, .submit-button {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--void-black);
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-neon);
}

.cta-button:hover, .submit-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-neon), 0 10px 30px -10px hsla(220, 13%, 7%, 0.8);
}

/* Grid Layouts */
.mindset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.traits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Cards */
.mindset-card, .trait-card, .philosophy-card {
    background: var(--secondary);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    transition: var(--transition);
}

.mindset-card:hover, .trait-card:hover, .philosophy-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px -10px hsla(220, 13%, 7%, 0.8);
    border-color: var(--neon-blue);
}

.mindset-card h3, .trait-card h3, .philosophy-card h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--neon-blue);
}

.trait-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

/* Testimonials */
.testimonial {
    background: var(--secondary);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    border-left: 4px solid var(--neon-red);
}

.testimonial p {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.testimonial cite {
    color: var(--neon-red);
    font-weight: 600;
}

/* Newsletter */
.newsletter-text {
    text-align: center;
    color: var(--steel-gray);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.newsletter-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.email-input {
    flex: 1;
    min-width: 250px;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    background: var(--secondary);
    color: var(--foreground);
    font-size: 1rem;
    transition: var(--transition);
}

.email-input:focus {
    outline: none;
    border-color: var(--neon-blue);
    box-shadow: var(--shadow-neon);
}

.submit-button {
    white-space: nowrap;
}

/* Messages */
.success-message {
    background: linear-gradient(135deg, hsla(120, 100%, 25%, 0.2), hsla(120, 100%, 35%, 0.1));
    border: 1px solid hsla(120, 100%, 35%, 0.3);
    color: hsl(120, 100%, 80%);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.error-message {
    background: linear-gradient(135deg, hsla(0, 85%, 55%, 0.2), hsla(0, 85%, 65%, 0.1));
    border: 1px solid hsla(0, 85%, 55%, 0.3);
    color: var(--neon-red);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

/* Footer */
.footer {
    background: var(--void-black);
    padding: 2rem 0;
    border-top: 1px solid var(--border);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.social-links {
    display: flex;
    gap: 2rem;
}

.social-link {
    color: var(--steel-gray);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--neon-blue);
}

/* Animations */
@keyframes pulse-neon {
    from {
        text-shadow: 0 0 5px var(--neon-blue), 0 0 10px var(--neon-blue), 0 0 15px var(--neon-blue);
    }
    to {
        text-shadow: 0 0 10px var(--neon-blue), 0 0 20px var(--neon-blue), 0 0 30px var(--neon-blue);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .email-input {
        min-width: 100%;
    }
    
    .footer .container {
        flex-direction: column;
        text-align: center;
    }
    
    .container {
        padding: 0 1rem;
    }
}