/**
 * RS Reprogrammation V2 - Dark Tuning Theme GREEN
 * Modern dark automotive/tuning design with neon green accents
 */

/* ===========================
   Dark Mode Base & Variables
   =========================== */
:root {
    --rs-dark-bg: #0a0e17;
    --rs-dark-surface: #141824;
    --rs-dark-elevated: #1a1f2e;
    --rs-dark-border: #2a3142;
    
    --rs-neon-green: #00ff88;
    --rs-neon-lime: #39ff14;
    --rs-neon-emerald: #50c878;
    --rs-neon-red: #ff0055;
    --rs-neon-orange: #ff6b00;
    --rs-neon-electric: #00ff00;
    --rs-neon-purple: #a855f7;
    
    --rs-accent-primary: var(--rs-neon-lime);
    --rs-accent-secondary: var(--rs-neon-orange);
    
    --rs-text-primary: #ffffff;
    --rs-text-secondary: #b4bcd0;
    --rs-text-muted: #7f8c9e;
    
    --rs-glow-sm: 0 0 10px rgba(57, 255, 20, 0.3);
    --rs-glow-md: 0 0 20px rgba(57, 255, 20, 0.4);
    --rs-glow-lg: 0 0 30px rgba(57, 255, 20, 0.5);
}

/* ===========================
   Reset & Base Styles
   =========================== */
.rs-reprogrammation-page {
    background: var(--rs-dark-bg) !important;
}

.rs-full-content {
    background: var(--rs-dark-bg);
    min-height: 100vh;
    padding: 25px 0;
}

.rs-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.rs-wrapper {
    background: transparent;
    border-radius: 0;
    box-shadow: none;
}

/* ===========================
   Typography - Bold & Modern
   =========================== */
.rs-page-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--rs-text-primary);
    margin: 0 0 10px 0;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--rs-neon-lime) 0%, var(--rs-neon-green) 50%, var(--rs-neon-emerald) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: var(--rs-glow-sm);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

.rs-page-subtitle {
    font-size: 1rem;
    color: var(--rs-text-secondary);
    margin: 0;
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.rs-section-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--rs-text-primary);
    margin: 35px 0 20px 0;
    display: flex;
    align-items: center;
    gap: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding-left: 20px;
}

.rs-section-title::before {
    content: '';
    position: absolute;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, var(--rs-neon-lime), var(--rs-neon-green));
    box-shadow: var(--rs-glow-sm);
}

/* ===========================
   Breadcrumb - Racing Style
   =========================== */
.rs-breadcrumb {
    padding: 15px 25px;
    background: var(--rs-dark-surface);
    border-radius: 12px;
    margin-bottom: 30px;
    border: 1px solid var(--rs-dark-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.rs-breadcrumb-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

.rs-breadcrumb-item {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    color: var(--rs-text-secondary);
}

.rs-breadcrumb-item:not(:last-child)::after {
    content: '›';
    margin-left: 15px;
    color: var(--rs-neon-lime);
    font-size: 1.2rem;
    font-weight: bold;
}

.rs-breadcrumb-item a {
    color: var(--rs-neon-lime);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    text-shadow: var(--rs-glow-sm);
}

.rs-breadcrumb-item a:hover {
    color: var(--rs-neon-green);
    text-shadow: var(--rs-glow-md);
}

.rs-breadcrumb-item.active span {
    color: var(--rs-text-primary);
    font-weight: 600;
}

/* ===========================
   Page Headers - High Impact
   =========================== */
.rs-page-header {
    padding: 40px 30px;
    background: linear-gradient(135deg, var(--rs-dark-surface) 0%, var(--rs-dark-elevated) 100%);
    border: 2px solid var(--rs-dark-border);
    border-radius: 20px;
    margin-bottom: 35px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
}

.rs-page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(57, 255, 20, 0.1), transparent);
    animation: scan 3s infinite;
}

@keyframes scan {
    0% { left: -100%; }
    100% { left: 200%; }
}

.rs-manufacturer-header,
.rs-model-header,
.rs-version-header {
    display: flex;
    align-items: center;
    gap: 40px;
}

.rs-manufacturer-header-logo,
.rs-engine-header-logo {
    flex-shrink: 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 2px solid var(--rs-dark-border);
}

.rs-manufacturer-header-logo img,
.rs-engine-header-logo img {
    max-width: 60px;
    max-height: 60px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(57, 255, 20, 0.3));
}

/* ===========================
   Vehicle Type Tabs - Neon Style
   =========================== */
.rs-vehicle-types {
    display: flex;
    gap: 15px;
    padding: 30px;
    background: var(--rs-dark-surface);
    border-radius: 15px;
    margin: 0 0 50px 0;
    flex-wrap: wrap;
    justify-content: center;
    border: 1px solid var(--rs-dark-border);
}

.rs-tab-btn {
    padding: 18px 32px;
    background: var(--rs-dark-elevated);
    border: 2px solid var(--rs-dark-border);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--rs-text-secondary);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.rs-tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(57, 255, 20, 0.2), transparent);
    transition: left 0.5s ease;
}

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

.rs-tab-btn:hover {
    background: var(--rs-dark-elevated);
    border-color: var(--rs-neon-lime);
    color: var(--rs-neon-lime);
    box-shadow: var(--rs-glow-md);
    transform: translateY(-2px);
}

.rs-tab-btn.active {
    background: linear-gradient(135deg, rgba(57, 255, 20, 0.15), rgba(0, 255, 136, 0.15));
    border-color: var(--rs-neon-lime);
    color: var(--rs-neon-lime);
    box-shadow: var(--rs-glow-lg), inset 0 0 20px rgba(57, 255, 20, 0.1);
}

/* ===========================
   Tab Content
   =========================== */
.rs-tab-content {
    display: none;
    padding: 20px 0;
}

.rs-tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===========================
   Grid Layouts - Racing Cards
   =========================== */
.rs-grid,
.rs-models-grid,
.rs-engines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 18px;
    margin-bottom: 35px;
}

/* ===========================
   Manufacturer Cards - Glowing
   =========================== */
.rs-manufacturer-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 25px 18px;
    background: var(--rs-dark-surface);
    border: 2px solid var(--rs-dark-border);
    border-radius: 15px;
    text-decoration: none;
    color: var(--rs-text-primary);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.rs-manufacturer-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(57, 255, 20, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.rs-manufacturer-card:hover::before {
    opacity: 1;
}

.rs-manufacturer-card:hover {
    border-color: var(--rs-neon-lime);
    box-shadow: var(--rs-glow-lg), 0 10px 40px rgba(0, 0, 0, 0.8);
    transform: translateY(-5px) scale(1.02);
    background: var(--rs-dark-elevated);
}

.rs-manufacturer-logo {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.rs-manufacturer-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: brightness(1.2) drop-shadow(0 0 15px rgba(57, 255, 20, 0.3));
    transition: filter 0.3s ease;
}

.rs-manufacturer-card:hover .rs-manufacturer-logo img {
    filter: brightness(1.5) drop-shadow(0 0 25px rgba(57, 255, 20, 0.6));
}

.rs-manufacturer-name {
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===========================
   Model/Version/Engine Cards
   =========================== */
.rs-model-card,
.rs-version-card,
.rs-engine-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    background: var(--rs-dark-surface);
    border: 2px solid var(--rs-dark-border);
    border-left: 4px solid var(--rs-neon-lime);
    border-radius: 12px;
    text-decoration: none;
    color: var(--rs-text-primary);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-bottom: 8px;
}

.rs-model-card::before,
.rs-version-card::before,
.rs-engine-card::before {
    content: '';
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(57, 255, 20, 0.1), transparent);
    transition: left 0.5s ease;
}

.rs-model-card:hover::before,
.rs-version-card:hover::before,
.rs-engine-card:hover::before {
    left: 100%;
}

.rs-model-card:hover,
.rs-version-card:hover,
.rs-engine-card:hover {
    border-color: var(--rs-neon-lime);
    background: var(--rs-dark-elevated);
    transform: translateX(10px);
    box-shadow: var(--rs-glow-md), -5px 0 20px rgba(57, 255, 20, 0.2);
}

.rs-model-name,
.rs-version-name,
.rs-engine-name {
    font-size: 1rem;
    font-weight: 700;
    flex-grow: 1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rs-engine-power {
    font-size: 1.1rem;
    color: var(--rs-neon-orange);
    font-weight: 800;
    margin-left: 15px;
    text-shadow: var(--rs-glow-sm);
}

.rs-model-arrow,
.rs-version-arrow {
    color: var(--rs-text-muted);
    transition: all 0.3s ease;
}

.rs-model-card:hover .rs-model-arrow,
.rs-version-card:hover .rs-version-arrow {
    transform: translateX(8px);
    color: var(--rs-neon-lime);
    filter: drop-shadow(0 0 5px var(--rs-neon-lime));
}

/* ===========================
   Engine Page - Performance
   =========================== */
.rs-engine-page {
    padding: 0;
}

.rs-engine-header {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 35px 30px;
    background: linear-gradient(135deg, #1a1f2e 0%, #0f1419 100%);
    color: #fff;
    border-radius: 20px;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
    border: 2px solid var(--rs-dark-border);
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.8);
}

.rs-engine-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--rs-neon-lime), var(--rs-neon-green), var(--rs-neon-lime));
    box-shadow: var(--rs-glow-md);
}

.rs-engine-header-title h1 {
    color: #fff;
    margin: 0;
    font-size: 1.8rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.rs-engine-header-stages {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-left: auto;
}

.rs-stage-badge {
    height: 50px;
    cursor: pointer;
    transition: all 0.4s ease;
    opacity: 0.4;
    filter: grayscale(100%) brightness(0.7);
    border-radius: 8px;
    padding: 5px;
    background: rgba(255, 255, 255, 0.05);
}

.rs-stage-badge.active,
.rs-stage-badge:hover {
    opacity: 1;
    filter: grayscale(0%) brightness(1.2);
    transform: scale(1.15);
    box-shadow: 0 0 25px rgba(57, 255, 20, 0.5);
}

/* ===========================
   Stage Description
   =========================== */
.rs-stage-description {
    display: none;
    padding: 30px;
    background: var(--rs-dark-surface);
    border-radius: 15px;
    margin-bottom: 40px;
    line-height: 1.8;
    color: var(--rs-text-secondary);
    border: 1px solid var(--rs-dark-border);
    border-left: 4px solid var(--rs-neon-lime);
}

.rs-stage-description.active {
    display: block;
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===========================
   Performance Section
   =========================== */
.rs-performance-section {
    margin-bottom: 40px;
}

.rs-stage-selector {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 30px;
    justify-content: center;
    padding: 20px;
    background: var(--rs-dark-surface);
    border-radius: 15px;
    border: 1px solid var(--rs-dark-border);
}

.rs-stage-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    background: var(--rs-dark-elevated);
    border: 2px solid var(--rs-dark-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--rs-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.rs-stage-btn img {
    height: 35px;
    filter: brightness(0.8);
    transition: filter 0.3s ease;
}

.rs-stage-btn:hover {
    border-color: var(--rs-neon-green);
    background: var(--rs-dark-elevated);
    color: var(--rs-neon-green);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    transform: translateY(-3px);
}

.rs-stage-btn:hover img {
    filter: brightness(1.3);
}

.rs-stage-btn.active {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), rgba(57, 255, 20, 0.2));
    border-color: var(--rs-neon-green);
    color: var(--rs-neon-green);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5), inset 0 0 20px rgba(0, 255, 136, 0.1);
}

.rs-stage-btn.active img {
    filter: brightness(1.5) drop-shadow(0 0 10px rgba(0, 255, 136, 0.8));
}

/* ===========================
   Performance Tables - Racing Style
   =========================== */
.rs-performance-table {
    display: none;
    margin-bottom: 40px;
}

.rs-performance-table.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.rs-performance-table table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--rs-dark-surface);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
    border: 2px solid var(--rs-dark-border);
}

.rs-performance-table thead {
    background: linear-gradient(135deg, rgba(57, 255, 20, 0.2), rgba(0, 255, 136, 0.2));
    border-bottom: 2px solid var(--rs-neon-lime);
}

.rs-performance-table th {
    padding: 15px;
    text-align: left;
    font-weight: 800;
    font-size: 0.95rem;
    color: var(--rs-text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.rs-performance-table td {
    padding: 15px;
    border-bottom: 1px solid var(--rs-dark-border);
    color: var(--rs-text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.rs-performance-table tbody tr {
    transition: background 0.3s ease;
}

.rs-performance-table tbody tr:hover {
    background: rgba(57, 255, 20, 0.05);
}

.rs-performance-table tbody tr:last-child td {
    border-bottom: none;
}

.rs-performance-table td strong {
    color: var(--rs-neon-lime);
    font-size: 1.1rem;
    font-weight: 900;
    text-shadow: var(--rs-glow-sm);
}

.rs-gain {
    color: var(--rs-neon-green);
    font-weight: 800;
    font-size: 1rem;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.rs-table-action {
    text-align: center;
    background: linear-gradient(135deg, rgba(57, 255, 20, 0.1), rgba(0, 255, 136, 0.1));
    padding: 30px 20px !important;
}

.rs-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--rs-neon-lime), var(--rs-neon-green));
    color: #000;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 800;
    transition: all 0.3s ease;
    margin-right: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--rs-glow-md);
}

.rs-contact-btn:hover {
    background: linear-gradient(135deg, var(--rs-neon-green), var(--rs-neon-emerald));
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 30px rgba(57, 255, 20, 0.6);
}

.rs-price {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--rs-neon-green);
    margin-right: 20px;
    text-shadow: var(--rs-glow-sm);
}

.rs-payment-logo {
    height: 45px;
    vertical-align: middle;
    opacity: 0.8;
}

/* ===========================
   Features Section
   =========================== */

.rs-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.rs-feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 25px 18px;
    background: var(--rs-dark-surface);
    border: 2px solid var(--rs-dark-border);
    border-radius: 15px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.rs-feature-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.rs-feature-item:hover::before {
    opacity: 1;
}

.rs-feature-item:hover {
    border-color: var(--rs-neon-green);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
    transform: translateY(-5px);
}

.rs-feature-item img {
    height: 55px;
    margin-bottom: 15px;
    filter: brightness(1.2) drop-shadow(0 0 10px rgba(0, 255, 136, 0.3));
}

.rs-feature-item p {
    margin: 0;
    line-height: 1.7;
    color: var(--rs-text-secondary);
    font-size: 0.9rem;
}

/* ===========================
   Additional Options
   =========================== */
.rs-additional-options {
    margin: 40px 0;
    padding: 35px;
    background: var(--rs-dark-surface);
    border-radius: 20px;
    border: 2px solid var(--rs-dark-border);
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.6);
}

.rs-additional-options h2 {
    font-size: 1.8rem;
    color: var(--rs-text-primary);
    margin-bottom: 10px;
    text-transform: uppercase;
    font-weight: 900;
    background: linear-gradient(135deg, var(--rs-neon-green) 0%, var(--rs-neon-lime) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.rs-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.rs-option-item {
    background: var(--rs-dark-elevated);
    padding: 22px;
    border-radius: 15px;
    border: 2px solid var(--rs-dark-border);
    transition: all 0.4s ease;
}

.rs-option-item:hover {
    border-color: var(--rs-neon-green);
    box-shadow: 0 0 25px rgba(0, 255, 136, 0.3);
    transform: translateY(-3px);
}

.rs-option-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.rs-option-header img {
    height: 40px;
    filter: brightness(1.3) drop-shadow(0 0 10px rgba(0, 255, 136, 0.3));
}

.rs-option-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--rs-text-primary);
    font-weight: 800;
    text-transform: uppercase;
}

.rs-option-item p {
    margin: 0;
    line-height: 1.7;
    color: var(--rs-text-secondary);
    font-size: 0.9rem;
}

/* ===========================
   Empty & Error Messages
   =========================== */
.rs-empty-message,
.rs-error-message {
    padding: 60px 40px;
    text-align: center;
    color: var(--rs-text-muted);
    background: var(--rs-dark-surface);
    border-radius: 15px;
    border: 2px dashed var(--rs-dark-border);
}

.rs-error-message {
    background: rgba(255, 0, 85, 0.1);
    border-color: var(--rs-neon-red);
    color: var(--rs-neon-red);
}

/* ===========================
   Fuel Icons
   =========================== */
.rs-fuel-icon {
    display: inline-block;
    vertical-align: middle;
    margin-right: 12px;
    filter: drop-shadow(0 0 5px var(--rs-neon-lime));
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .rs-page-title {
        font-size: 2.8rem;
    }

    .rs-section-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .rs-full-content {
        padding: 20px 0;
    }

    .rs-page-title {
        font-size: 2.2rem;
    }

    .rs-section-title {
        font-size: 1.5rem;
    }

    .rs-vehicle-types {
        flex-direction: column;
        padding: 20px;
    }

    .rs-tab-btn {
        width: 100%;
        justify-content: center;
    }

    .rs-grid,
    .rs-models-grid,
    .rs-engines-grid {
        grid-template-columns: 1fr;
    }

    .rs-engine-header {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
    }

    .rs-engine-header-stages {
        margin-left: 0;
        justify-content: center;
    }

    .rs-stage-selector {
        flex-direction: column;
        padding: 20px;
    }

    .rs-stage-btn {
        width: 100%;
        justify-content: center;
    }

    .rs-performance-table table {
        font-size: 0.9rem;
    }

    .rs-performance-table th,
    .rs-performance-table td {
        padding: 12px;
    }

    .rs-contact-btn {
        margin-bottom: 15px;
    }

    .rs-features-grid,
    .rs-options-grid {
        grid-template-columns: 1fr;
    }

    .rs-manufacturer-header,
    .rs-model-header,
    .rs-version-header {
        flex-direction: column;
        text-align: center;
    }

    .rs-additional-options {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .rs-container {
        padding: 0 15px;
    }

    .rs-page-header {
        padding: 40px 20px;
    }

    .rs-stage-badge {
        height: 45px;
    }

    .rs-page-title {
        font-size: 1.8rem;
    }
}

/* ===========================
   Animations & Effects
   =========================== */
@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(57, 255, 20, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(57, 255, 20, 0.6);
    }
}

.rs-animate-glow {
    animation: glow-pulse 2s ease-in-out infinite;
}

/* Racing stripes effect */
.rs-racing-lines {
    position: relative;
    overflow: hidden;
}

.rs-racing-lines::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 10px,
        rgba(57, 255, 20, 0.1) 10px,
        rgba(57, 255, 20, 0.1) 20px
    );
    animation: race-lines 20s linear infinite;
}

@keyframes race-lines {
    0% { transform: translateX(0); }
    100% { transform: translateX(50%); }
}

.wrapper .inner-intro .container {
    display: none;
}

.inner-intro {
    height: 140px !important;
}

table td, table th {
    border: none !important;
}

/* ===========================
   Engineers Notes
   =========================== */
.rs-engineers-notes {
    margin: 25px 0;
    padding: 20px;
    background: var(--rs-dark-surface);
    border-radius: 12px;
    border: 2px solid var(--rs-dark-border);
    border-left: 4px solid var(--rs-neon-green);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.rs-engineers-notes h4 {
    margin: 0 0 15px 0;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--rs-neon-green);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid var(--rs-neon-green);
    padding-bottom: 10px;
    text-align: center;
}

.rs-engineers-notes-content {
    color: var(--rs-text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ===========================
   Engine Options with Tooltips
   =========================== */
.rs-engine-options {
    margin: 25px 0;
    padding: 20px;
    background: var(--rs-dark-surface);
    border-radius: 12px;
    border: 2px solid var(--rs-dark-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.rs-engine-options h4 {
    margin: 0 0 20px 0;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--rs-neon-green);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid var(--rs-neon-green);
    padding-bottom: 10px;
    text-align: center;
}

.rs-options-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.rs-option-tooltip {
    position: relative;
    display: inline-block;
    background: linear-gradient(135deg, var(--rs-neon-green), var(--rs-neon-emerald));
    color: #000;
    padding: 10px 18px;
    border-radius: 25px;
    box-shadow: 0 4px 12px rgba(0, 255, 136, 0.3);
    font-weight: 700;
    font-size: 0.9rem;
    border: 2px solid var(--rs-neon-green);
    cursor: help;
    transition: all 0.3s ease;
    text-shadow: none;
}

.rs-option-tooltip:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 255, 136, 0.5);
}

.rs-tooltip-text {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    z-index: 100;
    bottom: 125%;
    left: 50%;
    margin-left: -150px;
    width: 300px;
    background-color: var(--rs-dark-elevated);
    color: var(--rs-text-primary);
    text-align: center;
    border-radius: 12px;
    padding: 15px;
    transition: opacity 0.3s, visibility 0.3s;
    font-size: 0.85rem;
    font-weight: 400;
    line-height: 1.6;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
    border: 2px solid var(--rs-neon-green);
}

.rs-option-tooltip:hover .rs-tooltip-text {
    visibility: visible;
    opacity: 1;
}

.rs-tooltip-arrow {
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -8px;
    border-width: 8px;
    border-style: solid;
    border-color: var(--rs-neon-green) transparent transparent transparent;
}

@media (max-width: 768px) {
    .rs-tooltip-text {
        width: 250px;
        margin-left: -125px;
        font-size: 0.8rem;
    }
}

.rs-section-subtitle {
    color: white;
}