:root {
    --bg-color: #0a0a0a;       
    --surface-color: #161616;  
    --text-main: #e0e0e0;      
    --text-muted: #a0a0a0;     
    --accent-red: #d32f2f;     
    --accent-hover: #b71c1c;   
    --border-color: #333;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
}


header {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--accent-red);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1000px; 
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
}

.logo {
    font-weight: bold;
    font-family: 'Courier New', monospace;
    color: var(--accent-red);
    font-size: 1.2rem;
    letter-spacing: -1px;
}
.logo a {
    text-decoration: none;
    color: inherit;
}

nav {
    display: flex;
    gap: 1rem;
}

.nav-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.nav-btn:hover {
    color: white;
}

.nav-btn.active {
    color: white;
    background-color: var(--accent-red);
    border-radius: 4px;
}


.content-container {
    max-width: 1000px; 
    margin: 3rem auto;
    padding: 0 1rem;
    min-height: 60vh;
}


.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}


.hero {
    text-align: center;
    margin-top: 2rem;
    margin-bottom: 2rem; 
}

h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}


.info-section {
    text-align: center;
}

.divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 2rem auto 3rem auto;
    max-width: 200px;
}

.info-intro {
    max-width: 640px;
    margin: 0 auto 2rem auto;
    color: var(--text-muted);
}

h2 {
    border-bottom: 1px solid var(--border-color);
    display: inline-block;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    color: white;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
    text-align: center; 
}

.feature-card {
    background: var(--surface-color);
    padding: 1.5rem;
    border-radius: 6px;
    border-left: 3px solid var(--accent-red);
    text-align: center; 
}

.feature-card h3 {
    margin-bottom: 0.75rem; 
    font-size: 1.5rem;      
    color: white;           
}


.cta-section {
    margin-top: 4rem; 
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #1a1a1a; 
}

.buy-btn {
    display: block;
    width: 100%;
    max-width: 210px;
    margin: 0 auto;
    background-color: var(--accent-red);
    color: white;
    border: none;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.buy-btn:hover {
    background-color: var(--accent-hover);
}

.sub-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}


.faq-item {
    margin-bottom: 2rem;
}

.faq-item h3 {
    color: var(--accent-red);
    margin-bottom: 0.5rem;
}

.contact-box {
    background: var(--surface-color);
    padding: 2rem;
    text-align: center;
    border-radius: 6px;
}

.email-link {
    display: block;
    font-size: 1.5rem;
    color: white;
    text-decoration: none;
    margin: 1rem 0;
}

.email-link:hover {
    text-decoration: underline;
    color: var(--accent-red);
}


footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

.legal-links {
    margin-top: 1rem;
    font-size: 0.8rem;
}

.legal-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.legal-links a:hover {
    color: var(--accent-red);
    text-decoration: underline;
}

.separator {
    margin: 0 0.5rem;
    color: var(--border-color);
}