/* --- Global Reset & Variables --- */
:root {
    /* Key Color Palette */
    --color-base-dark: #0A0A0A;
    --color-midnight-blue: #001F3F;
    --color-dark-purple: #2A0A2A;
    
    --color-accent-blue: #00FFFF; /* Electric Blue */
    --color-accent-pink: #FF00FF; /* Cyber Pink */
    --color-accent-green: #39FF14; /* Neon Green */
    --color-text-light: #FFFFFF;
    --color-text-subtle: #808080;

    /* Typography */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Roboto Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
    /* For parallax/scroll effects later */
    overflow-x: hidden; 
}

body {
    background-color: var(--color-base-dark);
    color: var(--color-text-light);
    font-family: var(--font-body);
    line-height: 1.6;
    /* Subtle background texture/noise effect */
    background-image: radial-gradient(circle at 50% 50%, rgba(10, 10, 10, 0.8) 0%, rgba(0, 0, 0, 1) 70%);
}

/* --- Typography Styles --- */
h1, h2, h3 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.main-catchphrase {
    font-size: 4.5rem;
    text-shadow: 0 0 10px var(--color-accent-blue), 0 0 20px var(--color-accent-blue);
    line-height: 1.1;
}

.section-title {
    font-size: 3rem;
    color: var(--color-accent-pink);
    text-shadow: 0 0 5px var(--color-accent-pink);
}

.section-subtitle {
    font-family: var(--font-body);
    color: var(--color-text-subtle);
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* --- Layout & Structure --- */
.content-section {
    padding: 100px 5%;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 10; /* Ensure content is above background effects */
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

/* --- Navigation (HUD Style) --- */
#navigation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(10, 10, 10, 0.7);
    backdrop-filter: blur(5px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
    z-index: 100;
}

.logo {
    font-family: var(--font-heading);
    color: var(--color-accent-green);
    font-size: 1.4rem;
    text-shadow: 0 0 5px var(--color-accent-green);
}

#navigation nav a {
    color: var(--color-text-subtle);
    text-decoration: none;
    margin-left: 30px;
    font-size: 0.9rem;
    transition: color 0.3s, text-shadow 0.3s;
}

#navigation nav a:hover {
    color: var(--color-accent-blue);
    text-shadow: 0 0 8px var(--color-accent-blue);
}

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

.hero-content {
    z-index: 20;
    max-width: 800px;
    padding: 0 20px;
}

.sub-catchphrase {
    font-size: 1.3rem;
    color: var(--color-text-light);
    margin: 20px 0 40px 0;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

/* --- CTA Button Styling (Neon Glow) --- */
.cta-button {
    font-family: var(--font-heading);
    padding: 15px 40px;
    border: 2px solid var(--color-accent-blue);
    background: transparent;
    color: var(--color-accent-blue);
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    letter-spacing: 0.15em;
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    background: var(--color-accent-blue);
    color: var(--color-base-dark);
    box-shadow: 0 0 20px var(--color-accent-blue), 0 0 40px var(--color-accent-blue);
    border-color: var(--color-accent-blue);
}

.cta-button.large-cta {
    padding: 20px 60px;
    font-size: 1.2rem;
}

/* --- Feature Grid Styling --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.feature-item {
    padding: 30px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.4);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 255, 255, 0.3);
    border-color: var(--color-accent-blue);
}

.feature-icon {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-accent-green);
    margin-bottom: 15px;
    text-shadow: 0 0 10px var(--color-accent-green);
}

.feature-item h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--color-text-light);
}

.feature-item p {
    color: var(--color-text-subtle);
    font-size: 0.95rem;
}

/* --- CTA Closing Section --- */
.cta-closing {
    text-align: center;
    padding: 150px 5%;
    background: var(--color-midnight-blue);
    border-top: 3px solid var(--color-accent-pink);
}

.offer-text {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--color-accent-pink);
    text-shadow: 0 0 5px var(--color-accent-pink);
}

#timer {
    font-weight: bold;
    color: var(--color-accent-green);
    text-shadow: 0 0 8px var(--color-accent-green);
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 40px 5%;
    border-top: 1px solid rgba(255, 0, 255, 0.1);
    font-size: 0.85rem;
    color: var(--color-text-subtle);
}

footer a {
    color: var(--color-text-subtle);
    text-decoration: none;
    transition: color 0.2s;
}

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

.social-icons span {
    margin: 0 10px;
    transition: color 0.2s;
    cursor: pointer;
}

.social-icons span:hover {
    color: var(--color-accent-blue);
}

/* --- Responsive Design (Mobile First adjustments for PC layout) --- */
@media (max-width: 1024px) {
    .main-catchphrase {
        font-size: 3rem;
    }
    .section-title {
        font-size: 2.2rem;
    }
    .sub-catchphrase {
        font-size: 1rem;
    }
    #navigation {
        padding: 15px 20px;
    }
    #navigation nav a {
        margin-left: 15px;
        font-size: 0.8rem;
    }
    .content-section {
        padding: 80px 4%;
    }
}

@media (max-width: 768px) {
    .main-catchphrase {
        font-size: 2.5rem;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .sub-catchphrase {
        font-size: 0.9rem;
    }
    #navigation {
        flex-direction: column;
        padding: 15px 10px;
        background: rgba(10, 10, 10, 0.95);
    }
    #navigation nav {
        margin-top: 10px;
    }
    #navigation nav a {
        margin: 0 8px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .cta-button.large-cta {
        padding: 15px 40px;
        font-size: 1rem;
    }
    footer {
        font-size: 0.75rem;
    }
}

/* --- Visual Overlay & Animation Hooks --- */
.visual-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.1),
        rgba(0, 0, 0, 0.1) 1px,
        transparent 1px,
        transparent 3px
    );
    opacity: 0.3;
    z-index: 1;
    /* Setup for Parallax effect via JS */
    transform: translateZ(0); 
    will-change: transform;
}

/* --- Scroll Animation Hooks (Fade In Up) --- */
.fade-in-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.content-section.is-visible .fade-in-up {
    opacity: 1;
    transform: translateY(0);
}

/* Ensure Hero content is visible immediately */
#hero .hero-content {
    opacity: 1;
    transform: none;
}

/* Ensure Hero visual overlay starts visible but can be moved by JS */
#hero .visual-overlay {
    opacity: 0.3;
}

/* --- Enhanced CTA Hover Effect (Subtle Glitch/Scanline on Hover) --- */
.cta-button:hover {
    background: var(--color-accent-blue);
    color: var(--color-base-dark);
    box-shadow: 0 0 20px var(--color-accent-blue), 0 0 40px var(--color-accent-blue);
    border-color: var(--color-accent-blue);
    /* Add a subtle scanline overlay on hover */
    position: relative;
    overflow: hidden;
}

.cta-button:hover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.1) 1px,
        transparent 1px,
        transparent 2px
    );
    opacity: 0.5;
    animation: scanline-flicker 0.5s infinite alternate;
}

@keyframes scanline-flicker {
    from { background-position: 0 0; }
    to { background-position: 0 10px; }
}

/* --- Navigation Active State --- */
#navigation nav a.active {
    color: var(--color-accent-blue);
    text-shadow: 0 0 12px var(--color-accent-blue), 0 0 5px var(--color-accent-blue);
}

/* --- Glitch Effect Enhancement for Headline --- */
.main-catchphrase {
    animation: glitch-text 10s infinite linear alternate;
}

@keyframes glitch-text {
>>>>>>> APPEND_NEW_CONTENT
    0% { text-shadow: 2px 2px var(--color-accent-pink), -2px -2px var(--color-accent-blue); }
    25% { text-shadow: -1px 1px var(--color-accent-green), 1px -1px var(--color-accent-pink); }
    50% { text-shadow: 3px -3px var(--color-accent-blue), -3px 3px var(--color-accent-green); }
    75% { text-shadow: -2px 2px var(--color-accent-pink), 2px -2px var(--color-accent-blue); }
    100% { text-shadow: 2px 2px var(--color-accent-pink), -2px -2px var(--color-accent-blue); }
}

/* --- Particle Effect (Subtle Digital Dust) --- */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5; /* Above body background, below content */
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 255, 255, 0.5) 1px, transparent 1px),
        radial-gradient(circle at 80% 90%, rgba(255, 0, 255, 0.5) 1px, transparent 1px),
        radial-gradient(circle at 40% 60%, rgba(57, 255, 20, 0.5) 1px, transparent 1px),
        radial-gradient(circle at 60% 30%, rgba(255, 255, 255, 0.3) 1px, transparent 1px);
    background-size: 500px 500px;
    animation: particle-drift 60s linear infinite;
}

@keyframes particle-drift {
    0% { background-position: 0 0; }
    100% { background-position: 500px 500px; }
}
    0% { text-shadow: 2px 2px var(--color-accent-pink), -2px -2px var(--color-accent-blue); }
    25% { text-shadow: -1px 1px var(--color-accent-green), 1px -1px var(--color-accent-pink); }
    50% { text-shadow: 3px -3px var(--color-accent-blue), -3px 3px var(--color-accent-green); }
    75% { text-shadow: -2px 2px var(--color-accent-pink), 2px -2px var(--color-accent-blue); }
    100% { text-shadow: 2px 2px var(--color-accent-pink), -2px -2px var(--color-accent-blue); }
}