/* CYPHER_SYSTEMS - Matrix/Cyberpunk Main Stylesheet
   For ASP.NET implementation: Place in /wwwroot/css/site.css
   ============================================================ */

/* ==================== RESET & BASE ==================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--matrix-black);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: var(--leading-normal);
    font-size: var(--text-base);
    min-height: 100vh;
    position: relative;
}

/* ==================== BACKGROUND EFFECTS ==================== */

.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-background);
    opacity: 0.15;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        var(--scanline) 2px,
        var(--scanline) 4px
    );
}

.matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-background);
    opacity: 0.3;
    pointer-events: none;
}

/* Scanline Effect */
.scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: var(--z-overlay);
    animation: scanlineMove 8s linear infinite;
}

@keyframes scanlineMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(10px); }
}

/* Terminal Cursor Blink */
@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

.cursor {
    display: inline-block;
    width: 10px;
    height: 20px;
    background: var(--matrix-green-bright);
    margin-left: 5px;
    animation: blink 1s infinite;
}

/* ==================== TYPOGRAPHY ==================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--weight-black);
    line-height: var(--leading-tight);
    text-transform: uppercase;
}

h1 {
    font-size: var(--text-6xl);
    letter-spacing: var(--tracking-wide);
    color: var(--matrix-green-bright);
    text-shadow: var(--text-glow-lg);
}

h2 {
    font-size: var(--text-4xl);
    letter-spacing: var(--tracking-wider);
    color: var(--matrix-green-bright);
    text-shadow: var(--text-glow-md);
}

h3 {
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-wide);
}

a {
    color: var(--neon-cyan);
    text-decoration: none;
    transition: all var(--duration-normal) var(--ease-default);
}

a:hover {
    color: var(--matrix-green-bright);
    text-shadow: var(--text-glow-sm);
}

/* Glitch Effect */
.glitch {
    position: relative;
    display: inline-block;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--neon-cyan);
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--neon-magenta);
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(21px, 9999px, 61px, 0); }
    20% { clip: rect(85px, 9999px, 99px, 0); }
    40% { clip: rect(43px, 9999px, 19px, 0); }
    60% { clip: rect(67px, 9999px, 88px, 0); }
    80% { clip: rect(12px, 9999px, 55px, 0); }
    100% { clip: rect(90px, 9999px, 33px, 0); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(65px, 9999px, 100px, 0); }
    20% { clip: rect(10px, 9999px, 45px, 0); }
    40% { clip: rect(78px, 9999px, 23px, 0); }
    60% { clip: rect(34px, 9999px, 89px, 0); }
    80% { clip: rect(56px, 9999px, 12px, 0); }
    100% { clip: rect(44px, 9999px, 77px, 0); }
}

/* ==================== NAVIGATION ==================== */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}
nav {
    position: sticky;
    top: 0;
    z-index: var(--z-nav);
    padding: 1.5rem var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: var(--border-primary);
    background: rgba(13, 2, 8, 0.95);
    box-shadow: var(--shadow-green);
    animation: glitchIn var(--duration-slower) ease-out;
}

@keyframes glitchIn {
    0% { 
        transform: translateY(-100%) skewX(-10deg);
        opacity: 0;
        filter: blur(5px);
    }
    70% {
        transform: translateY(5px) skewX(5deg);
    }
    100% { 
        transform: translateY(0) skewX(0);
        opacity: 1;
        filter: blur(0);
    }
}

.logo {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: var(--weight-black);
    letter-spacing: var(--tracking-wider);
    color: var(--matrix-green-bright);
    text-shadow: var(--text-glow-md);
}

.logo::before {
    content: '> ';
    color: var(--neon-cyan);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    transition: all var(--duration-normal) var(--ease-default);
    position: relative;
}

.nav-links a::before {
    content: '[';
    color: var(--neon-cyan);
    margin-right: 5px;
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-default);
}

.nav-links a::after {
    content: ']';
    color: var(--neon-cyan);
    margin-left: 5px;
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-default);
}

.nav-links a:hover {
    color: var(--matrix-green-bright);
    text-shadow: var(--text-glow-sm);
}

.nav-links a:hover::before,
.nav-links a:hover::after {
    opacity: 1;
}

.nav-links a.active {
    color: var(--matrix-green-bright);
}

/* ==================== LAYOUT CONTAINERS ==================== */

.container {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    position: relative;
    z-index: var(--z-content);
    padding: var(--spacing-xl) 0;
}

/* ==================== BUTTONS ==================== */

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    text-decoration: none;
    border: var(--border-primary);
    background: transparent;
    color: var(--matrix-green-bright);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    transition: all var(--duration-normal) var(--ease-default);
    clip-path: var(--clip-corner-sm);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--matrix-green);
    transition: left var(--duration-normal) var(--ease-default);
    z-index: -1;
}

.btn:hover {
    color: var(--matrix-black);
    box-shadow: var(--shadow-green), var(--shadow-inset);
}

.btn:hover::before {
    left: 0;
}

.btn-secondary {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}

.btn-secondary::before {
    background: var(--neon-cyan);
}

/* ==================== HERO SECTION ==================== */

.hero {
    position: relative;
    z-index: var(--z-content);
    padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-xl);
    animation: terminalBoot 1.5s ease-out;
}

@keyframes terminalBoot {
    0% { 
        opacity: 0;
        transform: scale(0.95);
    }
    100% { 
        opacity: 1;
        transform: scale(1);
    }
}

.terminal-header {
    font-family: var(--font-terminal);
    font-size: 1.1rem;
    color: var(--text-dim);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.terminal-header span {
    color: var(--neon-cyan);
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    max-width: 800px;
    margin-bottom: 3rem;
    line-height: var(--leading-relaxed);
}

.hero-subtitle::before {
    content: '$ ';
    color: var(--neon-orange);
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* ==================== SECTION HEADERS ==================== */

.section-header {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-header::before {
    content: '// ACCESSING DATA';
    font-family: var(--font-terminal);
    font-size: var(--text-sm);
    color: var(--text-dim);
    display: block;
    margin-bottom: 0.5rem;
}

.section-header h2::before {
    content: '>> ';
    color: var(--neon-cyan);
}

/* ==================== CARDS ==================== */

.service-card {
    background: var(--surface);
    border: var(--border-primary);
    padding: var(--spacing-md);
    position: relative;
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-default);
    clip-path: var(--clip-corner-md);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-default);
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.15), transparent);
    transition: left var(--duration-slow) var(--ease-default);
    z-index: -1;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-green), var(--shadow-inset);
    border-color: var(--matrix-green-bright);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover::after {
    left: 100%;
}

.service-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--matrix-green-bright);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.service-title::before {
    content: '▸ ';
    color: var(--neon-cyan);
}

.service-card p {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

/* ==================== SERVICES GRID ==================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

/* ==================== TERMINAL BOX ==================== */

.terminal-box {
    background: var(--surface-dark);
    border: var(--border-primary);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    font-family: var(--font-terminal);
    font-size: 1.2rem;
    color: var(--text-secondary);
    position: relative;
}

.terminal-box::before {
    content: '● ● ●';
    position: absolute;
    top: 0.5rem;
    left: 1rem;
    color: var(--matrix-green-dim);
    font-size: 0.8rem;
}

.terminal-box p {
    margin: 0.5rem 0;
}

.terminal-box strong {
    color: var(--matrix-green-bright);
}

/* ==================== PROCESS LIST ==================== */

.process-list {
    background: var(--surface-glow);
    border-left: 3px solid var(--matrix-green);
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-md) 0;
}

.process-list ol {
    list-style: none;
    counter-reset: process-counter;
}

.process-list li {
    counter-increment: process-counter;
    margin-bottom: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: var(--text-lg);
}

.process-list li::before {
    content: '[' counter(process-counter) ']';
    font-family: var(--font-display);
    color: var(--neon-cyan);
    margin-right: 1rem;
    font-weight: var(--weight-bold);
}

.process-list li strong {
    color: var(--matrix-green-bright);
    text-shadow: var(--text-glow-sm);
}

/* ==================== STATS ==================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--surface);
    border: var(--border-primary);
    clip-path: var(--clip-corner-sm);
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: var(--weight-black);
    color: var(--matrix-green-bright);
    text-shadow: var(--text-glow-md);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-family: var(--font-body);
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: var(--text-sm);
    letter-spacing: var(--tracking-wider);
}

/* ==================== FOOTER ==================== */

footer {
    position: relative;
    z-index: var(--z-content);
    border-top: var(--border-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    background: rgba(13, 2, 8, 0.95);
    box-shadow: var(--shadow-green);
    margin-top: var(--spacing-xl);
}

footer p {
    color: var(--text-secondary);
    font-family: var(--font-terminal);
    font-size: 1.1rem;
}

footer p::before {
    content: '> ';
    color: var(--neon-cyan);
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 768px) {
    nav {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav-links {
        gap: var(--spacing-sm);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero {
        padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    }
    
    h1 {
        font-size: var(--text-4xl);
    }
    
    .section {
        padding: var(--spacing-md) 0;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section-header h2 {
        font-size: var(--text-3xl);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* ==================== ACCESSIBILITY ==================== */

a:focus,
button:focus,
.btn:focus {
    outline: 2px solid var(--neon-cyan);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .scanline {
        animation: none;
    }
}


/* Scroll to Top Button */
#scrollUp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: rgba(15, 15, 15, 0.9); /* Matching glass-bg [cite: 51] */
    border: 1px solid #00ff41; /* matrix-green [cite: 64] */
    color: #00ff41;
    display: none; /* Controlled by JS */
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border-radius: 4px; /* Terminal style square-ish button */
    z-index: 1000;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

    #scrollUp:hover {
        background: #00ff41;
        color: #050505;
        box-shadow: 0 0 15px #00ff41;
    }

@media (max-width: 768px) {
    #scrollUp {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}