/* ==============================================================================
 * A.R-ECHNER NEXT-GEN DESIGN SYSTEM & STYLING (V4.4 - Comprehensive Analysis)
 * ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-dark: #070a12;
    --bg-surface: #0c1220;
    --bg-card: rgba(15, 23, 42, 0.75);
    --bg-card-hover: rgba(22, 34, 60, 0.9);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(0, 240, 255, 0.35);

    --accent-cyan: #00f0ff;
    --accent-blue: #0072ff;
    --accent-gradient: linear-gradient(135deg, #00f0ff 0%, #0072ff 100%);
    --accent-glow: 0 0 30px rgba(0, 240, 255, 0.4);
    
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 26px;
    --radius-full: 9999px;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    color-scheme: dark;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(0, 240, 255, 0.07) 0%, transparent 45%),
        radial-gradient(circle at 85% 65%, rgba(0, 114, 255, 0.08) 0%, transparent 50%);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #38bdf8;
}

.container {
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Glass Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(7, 10, 18, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition);
}

.navbar .nav-container {
    max-width: 1460px;
    padding: 0 1.5rem;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    font-size: 1.5rem;
    font-weight: 800;
    white-space: nowrap;
    flex-shrink: 0;
}

.brand-logo img {
    height: 56px;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.35));
    transition: var(--transition);
}

.brand-logo:hover img {
    transform: scale(1.06);
}

.brand-logo .accent-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    list-style: none;
    margin: 0 0.75rem;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.88rem;
    position: relative;
    padding: 0.5rem 0;
    white-space: nowrap;
    display: flex;
    align-items: center;
    height: 40px;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-shrink: 0;
}

.exo7-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    height: 42px;
    padding: 0 1.1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.84rem;
    white-space: nowrap;
    transition: var(--transition);
}

.exo7-badge:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.08);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.exo7-badge img {
    height: 20px;
    width: 20px;
    object-fit: contain;
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* Glowing Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    height: 44px;
    padding: 0 1.75rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #000;
    box-shadow: 0 4px 25px rgba(0, 240, 255, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 35px rgba(0, 240, 255, 0.55);
    color: #000;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
}

.btn-outline:hover {
    background: rgba(0, 240, 255, 0.12);
    transform: translateY(-2px);
    color: var(--accent-cyan);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Hero Section */
.hero {
    padding: 175px 0 90px 0;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-full);
    color: var(--accent-cyan);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: fit-content;
}

.hero-title {
    font-size: 3.25rem;
    line-height: 1.15;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-glass);
}

.stat-item h3 {
    font-size: 1.8rem;
    color: var(--accent-cyan);
}

.stat-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Hero Slideshow Frame */
.hero-preview {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-img-wrapper {
    position: relative;
    width: 100%;
    max-width: 540px;
    height: 380px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--border-accent);
    box-shadow: 0 15px 45px rgba(0, 240, 255, 0.3);
    background: #04060b;
}

.hero-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.4s ease-in-out;
}

.hero-slideshow-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1rem 1.25rem;
    background: linear-gradient(0deg, rgba(7,10,18,0.95) 0%, transparent 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-slide-caption {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.hero-slide-controls {
    display: flex;
    gap: 0.5rem;
}

.hero-slide-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0, 240, 255, 0.2);
    border: 1px solid var(--accent-cyan);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    transition: var(--transition);
}

.hero-slide-btn:hover {
    background: var(--accent-cyan);
    color: #000;
}

/* ==============================================================================
 * ANDRE PERSONAL BUILDER SHOWCASE SECTION
 * ============================================================================== */
.builder-personal-section {
    padding: 80px 0;
    background: linear-gradient(180deg, rgba(12, 18, 32, 0.75) 0%, rgba(7, 10, 18, 0.95) 100%);
    border-y: 1px solid var(--border-glass);
}

.personal-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    align-items: center;
}

.personal-img-container {
    position: relative;
    display: flex;
    justify-content: center;
    width: fit-content;
}

.personal-img-wrapper {
    position: relative;
    width: 100%;
    max-width: 260px;
    height: 310px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--border-accent);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.25);
    background: #050810;
}

.personal-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    transition: var(--transition);
}

.personal-img-wrapper:hover img {
    transform: scale(1.05);
}

.personal-floating-badge {
    position: absolute;
    bottom: -10px;
    right: -10px;
    background: var(--accent-gradient);
    color: #000;
    font-weight: 800;
    font-size: 0.8rem;
    padding: 0.45rem 1rem;
    border-radius: var(--radius-full);
    box-shadow: 0 8px 25px rgba(0, 240, 255, 0.4);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
    z-index: 10;
}

.personal-content {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.personal-title {
    font-size: 2.2rem;
    line-height: 1.2;
}

.personal-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.65;
}

.personal-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 0.25rem 0 0.75rem 0;
}

.personal-feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.personal-feature-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(0, 240, 255, 0.15);
    border: 1px solid var(--border-accent);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

/* Brands Section */
.brands-section {
    padding: 2.5rem 0;
    border-y: 1px solid var(--border-glass);
    background: rgba(12, 18, 32, 0.6);
}

.section-label {
    text-align: center;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.brand-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.brand-text-item {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    cursor: default;
}

.brand-text-item:hover {
    color: var(--accent-cyan);
    text-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
    transform: scale(1.05);
}

/* Section Common */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem auto;
}

.section-title {
    font-size: 2.5rem;
    margin-top: 0.5rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-top: 0.5rem;
}

/* Services Grid */
.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.5rem;
    backdrop-filter: blur(16px);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-8px);
    border-color: var(--border-accent);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

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

.card-icon {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.15) 0%, rgba(0, 114, 255, 0.15) 100%);
    border: 1px solid var(--border-accent);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

.card-body h3 {
    font-size: 1.25rem;
    margin-bottom: 0.6rem;
}

.card-body p {
    color: var(--text-secondary);
    font-size: 0.92rem;
}

/* HARDWARE KNOWLEDGE HUB */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.knowledge-card {
    background: linear-gradient(180deg, rgba(20, 30, 52, 0.8) 0%, rgba(12, 18, 32, 0.9) 100%);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 2.25rem 1.75rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(16px);
    transition: var(--transition);
}

.knowledge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition);
}

.knowledge-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-cyan);
    box-shadow: 0 15px 40px rgba(0, 240, 255, 0.25);
}

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

.knowledge-badge-tag {
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--border-accent);
    color: var(--accent-cyan);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}

.knowledge-icon-large {
    width: 80px;
    height: 80px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2) 0%, rgba(0, 114, 255, 0.2) 100%);
    border: 1px solid var(--accent-cyan);
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
    color: var(--accent-cyan);
    margin: 0.5rem 0;
    transition: var(--transition);
}

.knowledge-card:hover .knowledge-icon-large {
    transform: scale(1.1) rotate(4deg);
    box-shadow: 0 0 35px rgba(0, 240, 255, 0.5);
}

.knowledge-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.3rem;
}

.knowledge-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* BUILDER STYLING & VECTOR COMPONENT CARDS */
.builder-section {
    padding: 100px 0;
    scroll-margin-top: 80px;
}

.builder-header-bar {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 1.25rem 2rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.builder-title-badge {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.step-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.step-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.step-pill.active {
    background: rgba(0, 240, 255, 0.15);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.builder-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2rem;
    align-items: start;
}

.builder-main {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 2rem;
    min-height: 600px;
}

.step-intro {
    margin-bottom: 1.75rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.step-intro-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: 1rem;
}

.step-intro h3 {
    font-size: 1.4rem;
    color: var(--accent-cyan);
}

/* STEP 0 - SOFTWARE TAGS & PURPOSE STYLING */
.software-tags-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag-checkbox-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.88rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
}

.tag-checkbox-pill input {
    display: none;
}

.tag-checkbox-pill:hover {
    border-color: var(--accent-cyan);
    color: #fff;
    background: rgba(0, 240, 255, 0.08);
}

.tag-checkbox-pill.active {
    background: var(--accent-gradient);
    color: #000;
    font-weight: 700;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

.custom-textarea {
    width: 100%;
    min-height: 90px;
    background: rgba(7, 10, 18, 0.8);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.1rem;
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.92rem;
    outline: none;
    transition: var(--transition);
    resize: vertical;
}

.custom-textarea:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.selection-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}

.comp-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.comp-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-4px);
    background: var(--bg-card-hover);
}

.comp-card.selected {
    border: 2px solid var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
    background: rgba(0, 240, 255, 0.08);
}

.comp-icon-box {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.15) 0%, rgba(0, 114, 255, 0.15) 100%);
    border: 1px solid var(--border-accent);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.comp-card-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--accent-gradient);
    color: #000;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-full);
}

.comp-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    line-height: 1.3;
}

.comp-specs {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.comp-price {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--accent-cyan);
    margin-top: auto;
}

/* Custom Form Box for "Sonstiges" Option */
.custom-form-box {
    background: rgba(7, 10, 18, 0.95);
    border: 1px dashed var(--accent-cyan);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-top: 1rem;
    grid-column: 1 / -1;
    box-shadow: 0 8px 25px rgba(0,0,0,0.5);
}

.custom-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.custom-form-grid label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 0.3rem;
}

.custom-form-grid input, .custom-form-grid select {
    width: 100%;
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 0.55rem 0.75rem;
    color: #fff;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

.custom-form-grid input:focus, .custom-form-grid select:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
}

/* ECOSYSTEM POOL SWITCHER & FAN COUNTER STYLES */
.ecosystem-switcher-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.eco-tab-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 1rem 1.25rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.eco-tab-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--text-primary);
    background: rgba(0, 240, 255, 0.05);
}

.eco-tab-btn.active {
    background: rgba(0, 240, 255, 0.15);
    border: 2px solid var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
}

.fan-counter-box {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(0, 240, 255, 0.06);
    border: 1px solid var(--border-accent);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.88rem;
    font-weight: 600;
}

.fan-qty-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.fan-qty-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent-gradient);
    border: none;
    color: #000;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.fan-qty-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

.fan-qty-val {
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--accent-cyan);
    min-width: 28px;
    text-align: center;
}

/* SYSTEM ANALYSIS STEP 7 STYLING (V4.4) */
.analysis-spec-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 0.5rem;
    margin: 1rem 0 1.5rem 0;
}

.analysis-spec-table tr {
    background: rgba(15, 23, 42, 0.7);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.analysis-spec-table tr:hover {
    background: rgba(0, 240, 255, 0.08);
}

.analysis-spec-table td {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
}

.analysis-spec-table td:first-child {
    border-left: 1px solid var(--border-glass);
    border-top-left-radius: var(--radius-sm);
    border-bottom-left-radius: var(--radius-sm);
    font-weight: 700;
    color: var(--accent-cyan);
    width: 150px;
}

.analysis-spec-table td:last-child {
    border-right: 1px solid var(--border-glass);
    border-top-right-radius: var(--radius-sm);
    border-bottom-right-radius: var(--radius-sm);
    text-align: right;
    font-weight: 700;
}

/* Performance Rating Progress Bars */
.perf-rating-box {
    background: rgba(12, 18, 32, 0.85);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1.75rem;
}

.perf-bar-item {
    margin-bottom: 1.1rem;
}

.perf-bar-item:last-child {
    margin-bottom: 0;
}

.perf-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.88rem;
    margin-bottom: 0.4rem;
}

.perf-bar-title {
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.perf-bar-track {
    height: 10px;
    width: 100%;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-glass);
}

.perf-bar-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    box-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
    transition: width 1s ease-in-out;
}

/* Builder Fazit Summary Card */
.builder-fazit-card {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(0, 114, 255, 0.1) 100%);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-top: 1.5rem;
    box-shadow: 0 8px 30px rgba(0, 240, 255, 0.15);
}

.builder-fazit-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.85rem;
}

.builder-fazit-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
    object-position: top;
    border: 2px solid var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.builder-fazit-text {
    font-size: 0.95rem;
    color: #f0f9ff;
    line-height: 1.65;
}

.builder-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-glass);
}

/* Sidebar Summary */
.builder-sidebar {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    position: sticky;
    top: 110px;
}

.sidebar-title {
    font-size: 1.2rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.summary-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-bottom: 1.5rem;
}

.summary-slot {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.88rem;
}

.summary-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(0, 240, 255, 0.1);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.summary-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.summary-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.summary-val {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-totals {
    border-top: 1px dashed var(--border-glass);
    padding-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.total-row.grand-price-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    margin-top: 0.5rem;
}

.grand-price-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.grand-price-val {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent-cyan);
    align-self: flex-end;
}

.grand-price-subtext {
    font-size: 0.75rem;
    color: var(--text-muted);
    align-self: flex-end;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    padding: 2.5rem;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.4rem;
    cursor: pointer;
}

/* Footer */
.footer {
    background: #05080e;
    border-top: 1px solid var(--border-glass);
    padding: 4rem 0 2rem 0;
    margin-top: 5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-socials {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--accent-cyan);
    color: #000;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-glass);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive Media Queries */
@media (max-width: 1200px) {
    .nav-menu {
        gap: 1rem;
    }
    .nav-link {
        font-size: 0.88rem;
    }
}

@media (max-width: 992px) {
    .personal-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .personal-img-container {
        margin: 0 auto;
    }
    .personal-features {
        align-items: center;
    }
    .grid-3 {
        grid-template-columns: 1fr;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-actions, .hero-stats {
        justify-content: center;
    }
    .builder-layout {
        grid-template-columns: 1fr;
    }
    .builder-sidebar {
        position: static;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 90px;
        left: 0;
        width: 100%;
        background: var(--bg-surface);
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid var(--border-glass);
    }
    .nav-menu.active {
        display: flex;
    }
    .mobile-toggle {
        display: block;
    }
    .exo7-badge span {
        display: none;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .ecosystem-switcher-bar {
        grid-template-columns: 1fr;
    }
}

/* FPS Live Estimator Grid & Cards */
.fps-estimator-box {
    background: rgba(12, 18, 32, 0.95);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-top: 1.5rem;
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.08);
}

.fps-games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.fps-game-card {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 1.1rem 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0.75rem;
    transition: var(--transition);
}

.fps-game-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 240, 255, 0.15);
}

/* Exo7-style Header Banner Cards for Configurator */
.panel-header-banner {
    position: relative;
    width: 100%;
    height: 125px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 240, 255, 0.4);
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.18);
}

.panel-header-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.85) contrast(1.15);
    transition: transform 0.6s ease;
}

.panel-header-banner:hover img {
    transform: scale(1.04);
}

.panel-header-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(12, 18, 32, 0.15) 0%, rgba(12, 18, 32, 0.92) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    box-sizing: border-box;
}

.panel-header-banner-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.95), 0 0 12px rgba(0, 240, 255, 0.7);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-header-banner-badge {
    background: rgba(0, 240, 255, 0.15);
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-sm);
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}