/**
 * 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
 */

/* ============================================
   THEME VARIABLE MAPPING - Quantum Mesh
   ============================================ */
:root.theme-quantum-mesh,
:root[data-theme="quantum-mesh"] {
    /* Global Variable Mapping */
    --primary: #00d9ff;
    --primary-rgb: 0, 217, 255;
    --color-primary: #00d9ff;
    --color-primary-dark: #0099ff;
    --color-primary-light: #00ffff;
    --accent: #9933ff;
    --accent2: #ff0099;
    --color-accent: #9933ff;
    --color-accent2: #ff0099;
    --text: #e8f4f8;
    --color-text: #e8f4f8;
    --muted: #8ab4c4;
    --color-text-muted: #8ab4c4;
    --bg: #0a0e27;
    --color-bg: #0a0e27;
    --color-bg-secondary: #141b2d;
    --color-bg-elevated: #1e2738;
    --line: rgba(0, 217, 255, 0.15);
    --color-line: rgba(0, 217, 255, 0.15);
    --card-bg: rgba(30, 39, 56, 0.9);
    --card-border: rgba(0, 217, 255, 0.15);
    --color-header-bg: rgba(10, 14, 39, 0.75);
}

/* ============================================
   ROOT VARIABLES - Quantum Mesh (Legacy)
   ============================================ */
: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: 0.7rem;      /* 11px */
    --qm-text-sm: 0.8rem;      /* 13px */
    --qm-text-base: 0.9rem;    /* 14px */
    --qm-text-lg: 1rem;        /* 16px */
    --qm-text-xl: 1.1rem;      /* 18px */
    --qm-text-2xl: 1.25rem;    /* 20px */
    --qm-text-3xl: 1.5rem;     /* 24px */
    --qm-text-4xl: 1.75rem;    /* 28px */
    --qm-text-5xl: 2rem;       /* 32px */
    --qm-text-6xl: 2.5rem;     /* 40px */

    /* === SPACING === */
    --qm-space-xs: 0.4rem;     /* 6px */
    --qm-space-sm: 0.75rem;    /* 12px */
    --qm-space-md: 1rem;       /* 16px */
    --qm-space-lg: 1.5rem;     /* 24px */
    --qm-space-xl: 2rem;       /* 32px */
    --qm-space-2xl: 2.5rem;    /* 40px */
    --qm-space-3xl: 3rem;      /* 48px */

    /* === 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;
}

/* ============================================
   STANDARD VARIABLE MAPPINGS (Theme Scoped)
   ============================================ */
.theme-quantum-mesh {
    /* Background Colors */
    --color-bg: var(--qm-primary-deep-space);
    --color-bg-elevated: var(--qm-primary-dark-navy);
    --color-bg-subtle: var(--qm-primary-tech-slate);
    --color-bg-secondary: var(--qm-primary-dark-navy);
    --color-bg-tertiary: var(--qm-primary-tech-slate);
    --background-color: var(--qm-primary-deep-space);
    --bg: var(--qm-primary-deep-space);
    --bg-secondary: var(--qm-primary-dark-navy);

    /* Text Colors */
    --color-text: var(--qm-off-white);
    --color-text-muted: #a0c4d4;
    --color-text-subtle: #7a9aa8;
    --text: var(--qm-off-white);
    --text-color: var(--qm-off-white);
    --muted: #a0c4d4;

    /* Primary Colors - CYAN (not gold!) */
    --color-primary: var(--qm-accent-cyan-bright);
    --color-primary-dark: var(--qm-accent-electric-blue);
    --color-primary-light: var(--qm-accent-cyan-glow);
    --primary: var(--qm-accent-cyan-bright);
    --primary-rgb: 0, 217, 255;

    /* Accent Colors */
    --color-accent: var(--qm-accent-cyan-bright);
    --color-accent2: var(--qm-accent-purple-haze);
    --accent: var(--qm-accent-cyan-bright);
    --accent2: var(--qm-accent-purple-haze);

    /* UI Colors */
    --color-line: rgba(0, 217, 255, 0.15);
    --color-border: rgba(0, 217, 255, 0.2);
    --line: rgba(0, 217, 255, 0.15);
    --border-color: rgba(0, 217, 255, 0.2);

    /* Component Specific */
    --card-bg: var(--qm-primary-dark-navy);
    --card-background: var(--qm-primary-dark-navy);
    --input-bg: var(--qm-primary-tech-slate);
    --input-background: var(--qm-primary-tech-slate);
    --input-text: var(--qm-off-white);
    --input-border: var(--qm-accent-cyan-bright);
    --button-text: var(--qm-primary-deep-space);

    /* Hero Title (für layout.css) */
    --hero-title-color: var(--qm-accent-cyan-bright);
    --hero-title-fill: var(--qm-accent-cyan-bright);
    --hero-title-gradient: none;

    /* Shadows */
    --shadow-sm: var(--qm-shadow-sm);
    --shadow-md: var(--qm-shadow-md);
    --shadow-lg: var(--qm-shadow-lg);
    --shadow-xl: var(--qm-shadow-xl);

    /* Status Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: var(--qm-accent-cyan-bright);
    --success: #10b981;
    --error: #ef4444;

    color-scheme: dark;
}

/* ============================================
   GLOBAL STYLES (Theme-Scoped)
   ============================================ */
.theme-quantum-mesh {
    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);
    background-attachment: fixed;
    overflow-x: hidden;
    position: relative;
}

/* Mesh Container (Canvas Background) - FULL VIEWPORT - SCOPED to theme */
.theme-quantum-mesh .quantum-mesh-container,
.theme-quantum-mesh #quantum-mesh-bg {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 0 !important;
    pointer-events: none !important;
    background: var(--qm-primary-deep-space) !important;
}

/* Canvas element - NO CSS sizing! Let JavaScript control via attributes - SCOPED to theme */
.theme-quantum-mesh #quantum-mesh-canvas {
    display: block !important;
    /* DO NOT set width/height here - it causes scaling issues! */
    /* The canvas.width and canvas.height attributes are set by JavaScript */
}

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

.theme-quantum-mesh h1 {
    font-size: var(--qm-text-4xl);
    line-height: 1.15;
    margin-bottom: var(--qm-space-lg);
}

.theme-quantum-mesh h2 {
    font-size: var(--qm-text-3xl);
    line-height: 1.2;
    margin-bottom: var(--qm-space-md);
}

.theme-quantum-mesh h3 {
    font-size: var(--qm-text-2xl);
    line-height: 1.3;
    margin-bottom: var(--qm-space-md);
}

/* Quantum Title - Cyber Glow */
.theme-quantum-mesh .quantum-title {
    background: var(--qm-gradient-cyber);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    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 */
.theme-quantum-mesh .holo-text {
    position: relative;
    color: var(--qm-accent-cyan-bright);
    text-shadow: 0 0 10px var(--qm-accent-cyan-glow);
}

.theme-quantum-mesh .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; }
}

/* ============================================
   SPECIAL BUTTONS (Theme-Scoped)
   btn-quantum and btn-mesh are theme-specific classes
   ============================================ */
.theme-quantum-mesh .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);
}

.theme-quantum-mesh .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);
}

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

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

.theme-quantum-mesh .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);
}

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

/* ============================================
   CARDS - Glassmorphic Panels (Theme-Scoped)
   ============================================ */
.theme-quantum-mesh .card,
.theme-quantum-mesh .service-card,
.theme-quantum-mesh .portfolio-card {
    position: relative;
    padding: var(--qm-space-lg);
    background: rgba(20, 27, 45, 0.6);
    border: 1px solid rgba(0, 217, 255, 0.15);
    border-radius: 10px;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

/* Gradient border glow on hover */
.theme-quantum-mesh .card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.3), rgba(153, 51, 255, 0.3));
    border-radius: 11px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.theme-quantum-mesh .card:hover::before {
    opacity: 1;
}

.theme-quantum-mesh .card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 217, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 217, 255, 0.1);
}

/* Scan Line Effect (Theme-Scoped) */
.theme-quantum-mesh .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;
}

.theme-quantum-mesh .card:hover::after {
    opacity: 1;
}

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

/* Card Header (Theme-Scoped) */
.theme-quantum-mesh .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 rgba(0, 217, 255, 0.12);
}

.theme-quantum-mesh .card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.15), rgba(153, 51, 255, 0.15));
    border-radius: 8px;
    border: 1px solid rgba(0, 217, 255, 0.2);
}

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

/* Hero Content (Theme-Scoped) */
.theme-quantum-mesh .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);
}

.theme-quantum-mesh .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);
}

.theme-quantum-mesh .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 (Theme-Scoped)
   ============================================ */
.theme-quantum-mesh .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 (Theme-Scoped) - Overrides global layout.css
   ============================================ */
/* NOTE: Theme-scoped header and nav-link styles are defined
   later in this file at lines 1092+ with proper specificity */

/* ============================================
   SECTION DIVIDERS - Data Stream (Theme-Scoped)
   ============================================ */
.theme-quantum-mesh .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;
}

.theme-quantum-mesh .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 (Theme-Scoped)
   ============================================ */
.theme-quantum-mesh .form-input,
.theme-quantum-mesh .form-textarea,
.theme-quantum-mesh .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 rgba(0, 217, 255, 0.2);
    border-radius: 8px;
    backdrop-filter: blur(8px);
    transition: all 0.25s ease;
}

.theme-quantum-mesh .form-input:focus,
.theme-quantum-mesh .form-textarea:focus,
.theme-quantum-mesh .form-select:focus {
    outline: none;
    border-color: var(--qm-accent-cyan-bright);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1), 0 0 12px rgba(0, 217, 255, 0.15);
    background: rgba(20, 27, 45, 0.8);
}

/* ============================================
   DATA VISUALIZATION - Stats (Theme-Scoped)
   ============================================ */
.theme-quantum-mesh .stat-card {
    position: relative;
    padding: var(--qm-space-lg);
    text-align: center;
    background: rgba(20, 27, 45, 0.6);
    border: 1px solid rgba(0, 217, 255, 0.15);
    border-radius: 10px;
    overflow: hidden;
}

.theme-quantum-mesh .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);
}

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

/* ============================================
   RESPONSIVE - TABLET LANDSCAPE (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {
    .theme-quantum-mesh h1 { font-size: 2.5rem; }
    .theme-quantum-mesh h2 { font-size: 2rem; }
    .theme-quantum-mesh h3 { font-size: 1.5rem; }

    .theme-quantum-mesh .container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .theme-quantum-mesh .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }

    .theme-quantum-mesh .hero-content {
        padding: 2rem 1.5rem;
    }

    .theme-quantum-mesh .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

/* ============================================
   RESPONSIVE - TABLET PORTRAIT (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
    /* Typography */
    .theme-quantum-mesh h1 { font-size: 2rem; }
    .theme-quantum-mesh h2 { font-size: 1.75rem; }
    .theme-quantum-mesh h3 { font-size: 1.25rem; }
    .theme-quantum-mesh h4 { font-size: 1.1rem; }

    /* Header & Navigation */
    .theme-quantum-mesh header.site-header {
        padding: 0.5rem 0;
    }

    .theme-quantum-mesh .header-content {
        flex-wrap: wrap;
    }

    .theme-quantum-mesh .logo-img {
        height: 36px;
        width: auto;
    }

    .theme-quantum-mesh .logo-text {
        font-size: 1.1rem;
    }

    /* Mobile Nav Links */
    .theme-quantum-mesh .nav-link {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(0, 217, 255, 0.1);
    }

    .theme-quantum-mesh .nav-link::after {
        display: none;
    }

    /* Mobile Buttons */
    .theme-quantum-mesh .btn-primary,
    .theme-quantum-mesh .btn-outline {
        padding: 0.75rem 1.25rem;
        font-size: 0.85rem;
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .theme-quantum-mesh .header-actions {
        width: 100%;
        flex-direction: column;
        gap: 0.5rem;
        margin-top: 1rem;
    }

    .theme-quantum-mesh .customer-login-link {
        width: 100%;
        justify-content: center;
    }

    /* Hero Section */
    .theme-quantum-mesh .hero-content {
        padding: 1.5rem 1rem;
        text-align: center;
    }

    .theme-quantum-mesh .hero-title {
        font-size: 1.75rem;
        line-height: 1.3;
    }

    .theme-quantum-mesh .hero-subtitle {
        font-size: 1rem;
    }

    .theme-quantum-mesh .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
    }

    .theme-quantum-mesh .hero-buttons .btn {
        width: 100%;
    }

    /* Portfolio Grid */
    .theme-quantum-mesh .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .theme-quantum-mesh .portfolio-item {
        margin: 0 0.5rem;
    }

    .theme-quantum-mesh .portfolio-image {
        height: 180px;
    }

    .theme-quantum-mesh .portfolio-content {
        padding: 1rem;
    }

    .theme-quantum-mesh .portfolio-title {
        font-size: 1.1rem;
    }

    /* Tech Grid */
    .theme-quantum-mesh .tech-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }

    /* Cards */
    .theme-quantum-mesh .card,
    .theme-quantum-mesh .service-card {
        padding: 1.25rem;
        margin: 0 0.5rem;
    }

    /* Stats */
    .theme-quantum-mesh .stat-number {
        font-size: 2rem;
    }

    /* Section Spacing */
    .theme-quantum-mesh section {
        padding: 2rem 0;
    }

    /* CTA Section */
    .theme-quantum-mesh .cta-section {
        padding: 1.5rem;
        text-align: center;
    }

    .theme-quantum-mesh .cta-section h2 {
        font-size: 1.5rem;
    }

    /* Footer - responsive handled by footer-theme.css */
}

/* ============================================
   RESPONSIVE - MOBILE (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
    /* Typography */
    .theme-quantum-mesh h1 { font-size: 1.6rem; }
    .theme-quantum-mesh h2 { font-size: 1.4rem; }
    .theme-quantum-mesh h3 { font-size: 1.15rem; }

    .theme-quantum-mesh body,
    .theme-quantum-mesh p {
        font-size: 0.9rem;
    }

    /* Container */
    .theme-quantum-mesh .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    /* Header */
    .theme-quantum-mesh .logo-img {
        height: 30px;
    }

    .theme-quantum-mesh .logo-text {
        font-size: 1rem;
    }

    /* Buttons - Larger touch targets */
    .theme-quantum-mesh .btn-primary,
    .theme-quantum-mesh .btn-outline,
    .theme-quantum-mesh .btn {
        padding: 0.875rem 1rem;
        font-size: 0.9rem;
        min-height: 48px;
    }

    /* Nav Links - Larger touch targets */
    .theme-quantum-mesh .nav-link {
        padding: 1rem;
        font-size: 1rem;
        min-height: 48px;
    }

    /* Hero */
    .theme-quantum-mesh .hero-content {
        padding: 1rem 0.75rem;
    }

    .theme-quantum-mesh .hero-title {
        font-size: 1.5rem;
    }

    /* Portfolio */
    .theme-quantum-mesh .portfolio-image {
        height: 160px;
    }

    .theme-quantum-mesh .portfolio-content {
        padding: 0.875rem;
    }

    .theme-quantum-mesh .portfolio-tags {
        gap: 0.375rem;
    }

    .theme-quantum-mesh .portfolio-tag {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }

    /* Cards */
    .theme-quantum-mesh .card,
    .theme-quantum-mesh .service-card,
    .theme-quantum-mesh .portfolio-item {
        border-radius: 8px;
    }

    /* Stats */
    .theme-quantum-mesh .stat-number {
        font-size: 1.75rem;
    }

    /* Section Spacing */
    .theme-quantum-mesh section {
        padding: 1.5rem 0;
    }

    /* WhatsApp Button */
    .theme-quantum-mesh .whatsapp-float {
        bottom: 1rem;
        right: 1rem;
        padding: 0.75rem 1rem;
    }

    .theme-quantum-mesh .whatsapp-float span {
        display: none;
    }

    /* Theme Switcher - Mobile */
    .theme-quantum-mesh .theme-switcher {
        bottom: 1rem;
        left: 1rem;
        transform: scale(0.9);
    }
}

/* ============================================
   RESPONSIVE - TOUCH DEVICE OPTIMIZATIONS
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .theme-quantum-mesh .portfolio-item:hover {
        transform: none;
    }

    .theme-quantum-mesh .card:hover,
    .theme-quantum-mesh .service-card:hover {
        transform: none;
    }

    /* Ensure good tap targets */
    .theme-quantum-mesh .nav-link,
    .theme-quantum-mesh .btn,
    .theme-quantum-mesh a {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
}

/* ============================================
   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); }
}

/* ============================================
   QUANTUM MESH - TRANSPARENT SECTIONS
   ============================================
   All sections must be transparent so the
   quantum mesh canvas shows through
   ============================================ */

/* Make ALL sections transparent for quantum-mesh theme */
.theme-quantum-mesh section,
.theme-quantum-mesh .section {
    background: transparent !important;
    background-color: transparent !important;
}

/* Hero section special handling */
.theme-quantum-mesh .hero {
    background: transparent;
    min-height: auto;
}

/* Cards should be semi-transparent with blur */
.theme-quantum-mesh .card,
.theme-quantum-mesh .service-card,
.theme-quantum-mesh .portfolio-card {
    background: rgba(10, 14, 39, 0.65) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Container/wrapper backgrounds */
.theme-quantum-mesh .container,
.theme-quantum-mesh #page-content,
.theme-quantum-mesh main {
    background: transparent !important;
}

.theme-quantum-mesh #page-content {
    position: relative;
    z-index: 1;
    padding-top: 70px;
}

/* Footer - glasmorphism with subtle border */
.theme-quantum-mesh .site-footer {
    background: rgba(10, 14, 39, 0.92) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border-top: 1px solid rgba(0, 217, 255, 0.12);
    z-index: 100 !important;
}

/* ============================================
   THEME-SCOPED HEADER OVERRIDES
   Glasmorphism Header with multi-color accents
   ============================================ */
.theme-quantum-mesh .site-header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    background: rgba(10, 14, 39, 0.55) !important;
    backdrop-filter: blur(4px) saturate(1.3) !important;
    -webkit-backdrop-filter: blur(4px) saturate(1.3) !important;
    border-bottom: 1px solid rgba(0, 217, 255, 0.08) !important;
    box-shadow:
        0 1px 0 rgba(153, 51, 255, 0.05),
        0 4px 20px rgba(0, 0, 0, 0.25) !important;
    z-index: 1000 !important;
}

/* Logo styling */
.theme-quantum-mesh .logo {
    color: var(--qm-off-white);
    text-decoration: none;
}

.theme-quantum-mesh .logo-text {
    color: var(--qm-off-white);
    font-family: var(--qm-font-heading);
    font-weight: 700;
    letter-spacing: 0.08em;
    font-size: 1.1rem;
}

/* Nav links - clean, with animated underline */
.theme-quantum-mesh .nav-link {
    color: rgba(232, 244, 248, 0.7);
    text-decoration: none;
    padding: 0.5rem 0.85rem;
    font-family: var(--qm-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: none;
    border: none;
    border-radius: 6px;
    box-shadow: none;
    position: relative;
    transition: color 0.25s ease, background 0.25s ease;
}

/* Animated underline on hover/active */
.theme-quantum-mesh .nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--qm-accent-cyan-bright), var(--qm-accent-purple-haze));
    border-radius: 1px;
    transition: width 0.3s ease, left 0.3s ease;
}

.theme-quantum-mesh .nav-link:hover {
    color: var(--qm-off-white);
    background: rgba(0, 217, 255, 0.06);
}

.theme-quantum-mesh .nav-link:hover::after {
    width: 60%;
    left: 20%;
}

/* Active page - persistent underline + glow */
.theme-quantum-mesh .nav-link.active {
    color: var(--qm-accent-cyan-bright);
    background: rgba(0, 217, 255, 0.08);
}

.theme-quantum-mesh .nav-link.active::after {
    width: 70%;
    left: 15%;
    background: linear-gradient(90deg, var(--qm-accent-cyan-bright), var(--qm-accent-electric-blue));
    box-shadow: 0 0 8px rgba(0, 217, 255, 0.4);
}

/* Anmelden Button */
.theme-quantum-mesh .customer-login-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1rem;
    font-family: var(--qm-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-decoration: none;
    color: var(--qm-accent-purple-haze);
    background: transparent;
    border: 1px solid rgba(153, 51, 255, 0.4);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.theme-quantum-mesh .customer-login-link:hover {
    background: rgba(153, 51, 255, 0.1);
    border-color: var(--qm-accent-purple-haze);
    box-shadow: 0 0 12px rgba(153, 51, 255, 0.3);
}

.theme-quantum-mesh .customer-login-link .customer-icon {
    font-size: 1rem;
}

/* Portfolio Items - Quantum Mesh Style */
.theme-quantum-mesh .portfolio-item {
    background: rgba(10, 14, 39, 0.7);
    border: 1px solid rgba(0, 217, 255, 0.15);
    border-radius: 10px;
    overflow: hidden;
    backdrop-filter: blur(12px);
}

.theme-quantum-mesh .portfolio-item:hover {
    border-color: rgba(0, 217, 255, 0.35);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 217, 255, 0.1);
}

.theme-quantum-mesh .portfolio-image {
    background: rgba(20, 27, 45, 0.5);
    height: 220px;
    overflow: hidden;
}

.theme-quantum-mesh .portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.theme-quantum-mesh .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Advantage box - dark text on bright gradient */
.theme-quantum-mesh .advantage-box {
    background: linear-gradient(135deg, var(--qm-accent-cyan-bright), var(--qm-accent-electric-blue)) !important;
}

.theme-quantum-mesh .advantage-box h3,
.theme-quantum-mesh .advantage-box .advantage-title {
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: var(--qm-primary-deep-space) !important;
    background-clip: unset !important;
    color: var(--qm-primary-deep-space) !important;
}

.theme-quantum-mesh .advantage-box p,
.theme-quantum-mesh .advantage-box .advantage-description {
    color: var(--qm-primary-deep-space) !important;
    -webkit-text-fill-color: var(--qm-primary-deep-space) !important;
    opacity: 0.85;
}

/* Hero overlay removal */
.theme-quantum-mesh .hero::before,
.theme-quantum-mesh .hero-overlay {
    display: none !important;
}

/* Section wrappers - transparent */
.theme-quantum-mesh .section-wrapper,
.theme-quantum-mesh .content-wrapper,
.theme-quantum-mesh .page-wrapper,
.theme-quantum-mesh .main-content {
    background: transparent !important;
}

/* Section titles - gradient text with cyan-to-purple */
.theme-quantum-mesh .section-title,
.theme-quantum-mesh .hero-title {
    background: linear-gradient(135deg, var(--qm-accent-cyan-bright) 0%, var(--qm-accent-electric-blue) 60%, var(--qm-accent-purple-haze) 100%) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    color: transparent !important;
    -webkit-text-fill-color: transparent !important;
}

/* Hero subtitle */
.theme-quantum-mesh .hero-subtitle {
    color: rgba(232, 244, 248, 0.85) !important;
    -webkit-text-fill-color: rgba(232, 244, 248, 0.85) !important;
}

/* Buttons - gradient primary with glow */
.theme-quantum-mesh .btn-primary {
    padding: 0.55rem 1.2rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    background: linear-gradient(135deg, var(--qm-accent-cyan-bright) 0%, var(--qm-accent-electric-blue) 100%);
    color: var(--qm-primary-deep-space);
    border: none;
    border-radius: 6px;
    box-shadow: 0 2px 12px rgba(0, 217, 255, 0.25);
    transition: all 0.3s ease;
}

.theme-quantum-mesh .btn-primary:hover {
    background: linear-gradient(135deg, var(--qm-accent-cyan-glow) 0%, var(--qm-accent-cyan-bright) 100%);
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.4), 0 0 30px rgba(0, 217, 255, 0.15);
    transform: translateY(-1px);
}

/* Header CTA Button - passend zum Glasmorphism-Header */
.theme-quantum-mesh .header-actions .btn-primary {
    background: transparent;
    color: var(--qm-accent-cyan-bright, #00d9ff);
    border: 1px solid rgba(0, 217, 255, 0.35);
    box-shadow: none;
    padding: 0.45rem 1rem;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 6px;
    backdrop-filter: blur(4px);
    letter-spacing: 0.03em;
}

.theme-quantum-mesh .header-actions .btn-primary:hover {
    background: rgba(0, 217, 255, 0.1);
    border-color: rgba(0, 217, 255, 0.6);
    color: #fff;
    box-shadow: 0 0 16px rgba(0, 217, 255, 0.15);
    transform: none;
}

.theme-quantum-mesh .header-actions .btn-primary.active {
    background: rgba(0, 217, 255, 0.12);
    border-color: rgba(0, 217, 255, 0.7);
    color: #fff;
    box-shadow: 0 0 12px rgba(0, 217, 255, 0.2);
}

/* Outline button - purple accent for contrast */
.theme-quantum-mesh .btn-outline,
.theme-quantum-mesh .btn-secondary {
    padding: 0.55rem 1.2rem;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    background: transparent;
    color: var(--qm-accent-cyan-bright);
    border: 1px solid rgba(0, 217, 255, 0.35);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.theme-quantum-mesh .btn-outline:hover,
.theme-quantum-mesh .btn-secondary:hover {
    background: rgba(0, 217, 255, 0.08);
    border-color: var(--qm-accent-cyan-bright);
    box-shadow: 0 0 16px rgba(0, 217, 255, 0.2);
}

/* Button Large */
.theme-quantum-mesh .btn-lg {
    padding: 0.75rem 1.6rem !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    border-radius: 8px !important;
}

/* Button White */
.theme-quantum-mesh .btn-white {
    background: rgba(232, 244, 248, 0.95) !important;
    color: var(--qm-primary-deep-space) !important;
    border: 1px solid rgba(232, 244, 248, 0.3) !important;
    border-radius: 6px !important;
}

.theme-quantum-mesh .btn-white:hover {
    background: var(--qm-off-white) !important;
    color: var(--qm-primary-deep-space) !important;
    box-shadow: 0 4px 16px rgba(232, 244, 248, 0.2) !important;
}

/* Ensure mesh canvas stays behind all content */
.theme-quantum-mesh .quantum-mesh-container,
.theme-quantum-mesh #quantum-mesh-bg {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 0 !important;
    pointer-events: none !important;
    background: var(--qm-primary-deep-space) !important;
}

.theme-quantum-mesh #quantum-mesh-canvas {
    display: block !important;
}

/* ============================================
   ADDITIONAL TRANSPARENT BACKGROUNDS
   ============================================ */
.theme-quantum-mesh .section-compact,
.theme-quantum-mesh .section-services,
.theme-quantum-mesh .seo-content-section,
.theme-quantum-mesh .seo-content-wrapper,
.theme-quantum-mesh .process-timeline,
.theme-quantum-mesh .process-step,
.theme-quantum-mesh .process-connector,
.theme-quantum-mesh .section-content,
.theme-quantum-mesh .section-header {
    background: transparent !important;
}

/* Cards with glassmorphism */
.theme-quantum-mesh .testimonials,
.theme-quantum-mesh .testimonial-card,
.theme-quantum-mesh .review-card {
    background: rgba(10, 14, 39, 0.65) !important;
    backdrop-filter: blur(12px) !important;
}

/* ============================================
   FOOTER & LAYOUT - Flex structure
   ============================================ */
.theme-quantum-mesh .site-footer {
    background: rgba(10, 14, 39, 0.92) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border-top: 1px solid rgba(0, 217, 255, 0.12) !important;
}

.theme-quantum-mesh #page-content > *:last-child {
    margin-bottom: 0 !important;
    padding-bottom: 2rem !important;
}

.theme-quantum-mesh #page-content {
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
}

/* Flex layout for proper footer positioning */
html.theme-quantum-mesh {
    height: auto !important;
    min-height: 100vh !important;
    overflow-x: hidden !important;
}

body.theme-quantum-mesh {
    min-height: 100vh !important;
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    overflow-x: hidden !important;
    background: var(--qm-primary-deep-space) !important;
}

.theme-quantum-mesh main,
.theme-quantum-mesh #page-content {
    flex: 1 0 auto !important;
    position: relative !important;
    z-index: 1 !important;
    width: 100% !important;
}

body.theme-quantum-mesh::after,
html.theme-quantum-mesh::after {
    display: none !important;
    content: none !important;
}

/* ============================================
   FAQ / ACCORDION - Semi-transparent with blur
   ============================================ */
.theme-quantum-mesh .faq-category,
.theme-quantum-mesh .faq-accordion,
.theme-quantum-mesh .faq-section {
    background: transparent !important;
}

.theme-quantum-mesh .faq-category-title {
    /* Fix: Use theme variables for gradient text */
    color: var(--qm-accent-cyan-bright) !important;
    background: linear-gradient(90deg, var(--qm-accent-cyan-bright), var(--qm-accent-purple-haze)) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    color: transparent !important;
    -webkit-text-fill-color: transparent !important;
    border-bottom: 2px solid var(--qm-accent-cyan-bright) !important;
    padding-bottom: 0.5rem !important;
}

.theme-quantum-mesh .faq-item,
.theme-quantum-mesh .layout-modern .faq-item {
    background: rgba(10, 14, 39, 0.7) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(0, 217, 255, 0.3) !important;
}

.theme-quantum-mesh .faq-item:hover,
.theme-quantum-mesh .layout-modern .faq-item:hover {
    border-color: var(--qm-accent-cyan-bright) !important;
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.2) !important;
}

.theme-quantum-mesh .faq-question {
    color: var(--qm-off-white) !important;
}

.theme-quantum-mesh .faq-question::before {
    color: var(--qm-accent-cyan-bright) !important;
}

.theme-quantum-mesh .faq-answer {
    color: var(--qm-off-white) !important;
    opacity: 0.85;
}

/* ============================================
   ANY REMAINING ELEMENTS WITH BACKGROUNDS
   ============================================ */
.theme-quantum-mesh .bg-elevated,
.theme-quantum-mesh .bg-subtle,
.theme-quantum-mesh .bg-secondary,
.theme-quantum-mesh [class*="bg-"] {
    background: transparent !important;
    background-color: transparent !important;
}

/* Service cards, feature cards etc - semi-transparent */
.theme-quantum-mesh .service-item,
.theme-quantum-mesh .feature-item,
.theme-quantum-mesh .stat-item,
.theme-quantum-mesh .team-member,
.theme-quantum-mesh .pricing-card,
.theme-quantum-mesh .blog-card {
    background: rgba(10, 14, 39, 0.7) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(0, 217, 255, 0.2) !important;
}

/* ============================================
   MODALS, ALERTS, POPUPS - SOLID BACKGROUNDS
   These must NOT be transparent!
   ============================================ */
.theme-quantum-mesh .modal,
.theme-quantum-mesh .modal-content,
.theme-quantum-mesh .modal-dialog,
.theme-quantum-mesh .alert,
.theme-quantum-mesh .popup,
.theme-quantum-mesh .toast,
.theme-quantum-mesh .notification,
.theme-quantum-mesh .dropdown-menu,
.theme-quantum-mesh .account-dropdown,
.theme-quantum-mesh [role="dialog"],
.theme-quantum-mesh [role="alertdialog"] {
    background: var(--qm-primary-dark-navy, #141b2d) !important;
    border: 1px solid rgba(0, 217, 255, 0.2) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 217, 255, 0.1) !important;
}

/* Modal/Popup Overlay */
.theme-quantum-mesh .modal-backdrop,
.theme-quantum-mesh .modal-overlay,
.theme-quantum-mesh .popup-overlay {
    background: rgba(0, 0, 0, 0.8) !important;
}

/* Exit Intent Popup */
.theme-quantum-mesh .exit-intent-popup,
.theme-quantum-mesh .exit-popup {
    background: var(--qm-primary-dark-navy, #141b2d) !important;
    border: 1px solid rgba(0, 217, 255, 0.25) !important;
}