/**
 * Quantum Mesh Theme
 * ===================
 * Tech-Forward Design mit Partikel-Netzwerk für HENX3D
 *
 * Features:
 * - Interaktive Mesh-Grid Animation
 * - Particle System mit Verbindungslinien
 * - Holographische Scan-Effekte
 * - Cyan/Neon Blue Farbpalette
 * - Futuristische Typografie
 *
 * @version 1.0.0
 * @created 2026-01-05
 */

/* ============================================
   ROOT VARIABLES - Quantum Mesh
   ============================================ */
:root {
    /* === FARBPALETTE === */
    /* Primärfarben - Tech/Cyber */
    --qm-primary-deep-space: #0a0e27;      /* Dunkler Weltraum */
    --qm-primary-dark-navy: #141b2d;       /* Dark Navy */
    --qm-primary-tech-slate: #1e2738;      /* Tech Slate */

    /* Sekundärfarben - Holographisch */
    --qm-secondary-steel-blue: #2d3e50;    /* Steel Blue */
    --qm-secondary-slate-gray: #3d4f66;    /* Slate Gray */

    /* Akzentfarben - Neon/Cyan */
    --qm-accent-cyan-bright: #00d9ff;      /* Bright Cyan ⭐ Primary */
    --qm-accent-cyan-glow: #00ffff;        /* Cyan Glow */
    --qm-accent-electric-blue: #0099ff;    /* Electric Blue */
    --qm-accent-purple-haze: #9933ff;      /* Purple Haze */
    --qm-accent-quantum-pink: #ff0099;     /* Quantum Pink */

    /* Neutrale Farben */
    --qm-white: #ffffff;
    --qm-off-white: #e8f4f8;               /* Leicht bläulich */
    --qm-black: #000000;

    /* === TYPOGRAFIE === */
    --qm-font-heading: 'Orbitron', 'Exo 2', sans-serif;  /* Futuristisch */
    --qm-font-body: 'Outfit', 'Inter', sans-serif;
    --qm-font-mono: 'JetBrains Mono', 'Consolas', monospace;

    /* Font Sizes */
    --qm-text-xs: 0.75rem;     /* 12px */
    --qm-text-sm: 0.875rem;    /* 14px */
    --qm-text-base: 1rem;      /* 16px */
    --qm-text-lg: 1.125rem;    /* 18px */
    --qm-text-xl: 1.25rem;     /* 20px */
    --qm-text-2xl: 1.5rem;     /* 24px */
    --qm-text-3xl: 1.875rem;   /* 30px */
    --qm-text-4xl: 2.25rem;    /* 36px */
    --qm-text-5xl: 3rem;       /* 48px */
    --qm-text-6xl: 3.75rem;    /* 60px */

    /* === SPACING === */
    --qm-space-xs: 0.5rem;     /* 8px */
    --qm-space-sm: 1rem;       /* 16px */
    --qm-space-md: 1.5rem;     /* 24px */
    --qm-space-lg: 2rem;       /* 32px */
    --qm-space-xl: 3rem;       /* 48px */
    --qm-space-2xl: 4rem;      /* 64px */
    --qm-space-3xl: 6rem;      /* 96px */

    /* === SHADOWS === */
    --qm-shadow-sm: 0 2px 8px rgba(0, 217, 255, 0.1);
    --qm-shadow-md: 0 4px 16px rgba(0, 217, 255, 0.15);
    --qm-shadow-lg: 0 8px 32px rgba(0, 217, 255, 0.2);
    --qm-shadow-xl: 0 16px 48px rgba(0, 217, 255, 0.25);

    /* Glow Shadows */
    --qm-glow-cyan: 0 0 20px rgba(0, 217, 255, 0.6),
                     0 0 40px rgba(0, 217, 255, 0.3);
    --qm-glow-purple: 0 0 20px rgba(153, 51, 255, 0.6),
                       0 0 40px rgba(153, 51, 255, 0.3);
    --qm-glow-pink: 0 0 20px rgba(255, 0, 153, 0.6),
                     0 0 40px rgba(255, 0, 153, 0.3);

    /* === BORDERS === */
    --qm-border-width: 1px;
    --qm-border-color: var(--qm-accent-cyan-bright);
    --qm-border-radius: 2px;
    --qm-border-radius-lg: 4px;

    /* === GRADIENTS === */
    --qm-gradient-cyber: linear-gradient(135deg,
        var(--qm-accent-cyan-bright) 0%,
        var(--qm-accent-electric-blue) 50%,
        var(--qm-accent-purple-haze) 100%
    );

    --qm-gradient-mesh: linear-gradient(135deg,
        var(--qm-primary-deep-space) 0%,
        var(--qm-primary-dark-navy) 50%,
        var(--qm-primary-tech-slate) 100%
    );

    --qm-gradient-hologram: linear-gradient(90deg,
        transparent 0%,
        rgba(0, 217, 255, 0.3) 50%,
        transparent 100%
    );

    /* === TRANSITIONS === */
    --qm-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --qm-transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --qm-transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* === Z-INDEX === */
    --qm-z-mesh: 1;
    --qm-z-content: 10;
    --qm-z-header: 100;
    --qm-z-modal: 1000;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */
body {
    font-family: var(--qm-font-body);
    font-size: var(--qm-text-base);
    line-height: 1.6;
    color: var(--qm-off-white);
    background: var(--qm-primary-deep-space);
    overflow-x: hidden;
}

/* Mesh Container (Canvas Background) */
.quantum-mesh-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--qm-z-mesh);
    pointer-events: none;
}

#quantum-mesh-canvas {
    width: 100%;
    height: 100%;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--qm-font-heading);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--qm-white);
}

h1 {
    font-size: var(--qm-text-6xl);
    line-height: 1.1;
    margin-bottom: var(--qm-space-lg);
}

h2 {
    font-size: var(--qm-text-5xl);
    line-height: 1.2;
    margin-bottom: var(--qm-space-md);
}

h3 {
    font-size: var(--qm-text-4xl);
    line-height: 1.3;
    margin-bottom: var(--qm-space-md);
}

/* Quantum Title - Cyber Glow */
.quantum-title {
    background: var(--qm-gradient-cyber);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: var(--qm-glow-cyan);
    animation: quantum-pulse 3s ease-in-out infinite;
}

@keyframes quantum-pulse {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.3); }
}

/* Holographic Text */
.holo-text {
    position: relative;
    color: var(--qm-accent-cyan-bright);
    text-shadow: 0 0 10px var(--qm-accent-cyan-glow);
}

.holo-text::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    color: var(--qm-accent-purple-haze);
    opacity: 0.5;
    transform: translateX(-2px);
    animation: holo-glitch 5s infinite;
}

@keyframes holo-glitch {
    0%, 90%, 100% { transform: translateX(0); opacity: 0; }
    92% { transform: translateX(-2px); opacity: 0.5; }
    94% { transform: translateX(2px); opacity: 0.7; }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary,
.btn-quantum {
    position: relative;
    padding: var(--qm-space-sm) var(--qm-space-lg);
    font-family: var(--qm-font-heading);
    font-size: var(--qm-text-base);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--qm-primary-deep-space);
    background: var(--qm-accent-cyan-bright);
    border: 2px solid var(--qm-accent-cyan-bright);
    border-radius: var(--qm-border-radius);
    cursor: pointer;
    overflow: hidden;
    transition: all var(--qm-transition-base);
    box-shadow: var(--qm-glow-cyan);
}

.btn-quantum::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -100%;
    width: 100%;
    height: calc(100% + 4px);
    background: var(--qm-gradient-hologram);
    transition: left var(--qm-transition-slow);
}

.btn-quantum:hover::before {
    left: 100%;
}

.btn-quantum:hover {
    background: transparent;
    color: var(--qm-accent-cyan-bright);
    box-shadow: var(--qm-glow-cyan), inset var(--qm-glow-cyan);
}

/* Secondary Button - Outlined */
.btn-secondary,
.btn-mesh {
    padding: var(--qm-space-sm) var(--qm-space-lg);
    font-family: var(--qm-font-heading);
    font-size: var(--qm-text-base);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--qm-accent-cyan-bright);
    background: transparent;
    border: 2px solid var(--qm-accent-cyan-bright);
    border-radius: var(--qm-border-radius);
    cursor: pointer;
    transition: all var(--qm-transition-base);
    box-shadow: var(--qm-shadow-sm);
}

.btn-mesh:hover {
    background: rgba(0, 217, 255, 0.1);
    box-shadow: var(--qm-glow-cyan);
    transform: translateY(-2px);
}

/* ============================================
   CARDS - Holographic Panels
   ============================================ */
.card,
.service-card,
.portfolio-card {
    position: relative;
    padding: var(--qm-space-lg);
    background: rgba(20, 27, 45, 0.8);
    border: 1px solid var(--qm-accent-cyan-bright);
    border-radius: var(--qm-border-radius-lg);
    backdrop-filter: blur(10px);
    box-shadow: var(--qm-shadow-md);
    transition: all var(--qm-transition-base);
}

/* Holographic Border Animation */
.card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: var(--qm-gradient-cyber);
    border-radius: var(--qm-border-radius-lg);
    opacity: 0;
    transition: opacity var(--qm-transition-base);
    z-index: -1;
}

.card:hover::before {
    opacity: 0.3;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--qm-shadow-xl), var(--qm-glow-cyan);
    border-color: var(--qm-accent-cyan-glow);
}

/* Scan Line Effect */
.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--qm-gradient-hologram);
    opacity: 0;
    animation: scan-line 3s linear infinite;
}

.card:hover::after {
    opacity: 1;
}

@keyframes scan-line {
    0% { transform: translateY(0); }
    100% { transform: translateY(300px); }
}

/* Card Header */
.card-header {
    display: flex;
    align-items: center;
    gap: var(--qm-space-sm);
    margin-bottom: var(--qm-space-md);
    padding-bottom: var(--qm-space-sm);
    border-bottom: 1px solid var(--qm-accent-cyan-bright);
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--qm-gradient-cyber);
    border-radius: var(--qm-border-radius);
    box-shadow: var(--qm-glow-cyan);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--qm-gradient-mesh);
    overflow: hidden;
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: var(--qm-z-content);
    text-align: center;
    max-width: 1200px;
    padding: var(--qm-space-2xl) var(--qm-space-lg);
}

.hero-tagline {
    font-family: var(--qm-font-mono);
    font-size: var(--qm-text-lg);
    color: var(--qm-accent-cyan-bright);
    margin-bottom: var(--qm-space-md);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    text-shadow: var(--qm-glow-cyan);
}

.hero-subtitle {
    font-size: var(--qm-text-2xl);
    color: var(--qm-off-white);
    margin-bottom: var(--qm-space-xl);
    line-height: 1.4;
}

/* ============================================
   GRID LAYOUT - Tech Grid
   ============================================ */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--qm-space-lg);
    padding: var(--qm-space-2xl) var(--qm-space-lg);
}

/* ============================================
   NAVIGATION
   ============================================ */
header.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--qm-accent-cyan-bright);
    box-shadow: var(--qm-shadow-lg);
    z-index: var(--qm-z-header);
    transition: all var(--qm-transition-base);
}

.nav-link {
    position: relative;
    padding: var(--qm-space-sm) var(--qm-space-md);
    color: var(--qm-off-white);
    text-decoration: none;
    font-family: var(--qm-font-heading);
    font-size: var(--qm-text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color var(--qm-transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--qm-gradient-cyber);
    box-shadow: var(--qm-glow-cyan);
    transition: width var(--qm-transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--qm-accent-cyan-bright);
    text-shadow: var(--qm-glow-cyan);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* ============================================
   SECTION DIVIDERS - Data Stream
   ============================================ */
.section-divider {
    width: 100%;
    height: 1px;
    background: var(--qm-gradient-cyber);
    margin: var(--qm-space-3xl) 0;
    box-shadow: var(--qm-glow-cyan);
    position: relative;
}

.section-divider::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    width: 10%;
    height: 5px;
    background: var(--qm-accent-cyan-bright);
    box-shadow: var(--qm-glow-cyan);
    animation: data-stream 2s linear infinite;
}

@keyframes data-stream {
    0% { left: 0; width: 10%; }
    50% { left: 45%; width: 20%; }
    100% { left: 100%; width: 10%; }
}

/* ============================================
   FORMS
   ============================================ */
.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--qm-space-sm) var(--qm-space-md);
    font-family: var(--qm-font-body);
    font-size: var(--qm-text-base);
    color: var(--qm-white);
    background: rgba(20, 27, 45, 0.5);
    border: 1px solid var(--qm-accent-cyan-bright);
    border-radius: var(--qm-border-radius);
    backdrop-filter: blur(5px);
    transition: all var(--qm-transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--qm-accent-cyan-glow);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.2), var(--qm-glow-cyan);
    background: rgba(20, 27, 45, 0.8);
}

/* ============================================
   DATA VISUALIZATION - Stats
   ============================================ */
.stat-card {
    position: relative;
    padding: var(--qm-space-lg);
    text-align: center;
    background: rgba(20, 27, 45, 0.6);
    border: 1px solid var(--qm-accent-cyan-bright);
    border-radius: var(--qm-border-radius-lg);
    overflow: hidden;
}

.stat-number {
    font-family: var(--qm-font-heading);
    font-size: var(--qm-text-6xl);
    font-weight: 700;
    color: var(--qm-accent-cyan-bright);
    text-shadow: var(--qm-glow-cyan);
    margin-bottom: var(--qm-space-sm);
}

.stat-label {
    font-size: var(--qm-text-lg);
    color: var(--qm-off-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    h1 { font-size: var(--qm-text-4xl); }
    h2 { font-size: var(--qm-text-3xl); }
    h3 { font-size: var(--qm-text-2xl); }

    .hero-content {
        padding: var(--qm-space-xl) var(--qm-space-md);
    }

    .tech-grid {
        grid-template-columns: 1fr;
        gap: var(--qm-space-md);
        padding: var(--qm-space-xl) var(--qm-space-md);
    }

    .stat-number {
        font-size: var(--qm-text-4xl);
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.text-quantum {
    color: var(--qm-accent-cyan-bright);
}

.text-glow {
    text-shadow: var(--qm-glow-cyan);
}

.bg-quantum {
    background: var(--qm-gradient-cyber);
}

.glow-quantum {
    box-shadow: var(--qm-glow-cyan);
}

/* Loading Animation */
.quantum-loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--qm-primary-tech-slate);
    border-top: 3px solid var(--qm-accent-cyan-bright);
    border-radius: 50%;
    animation: quantum-spin 1s linear infinite;
}

@keyframes quantum-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}