:root {
    --bg-color: #030712;
    --sidebar-bg: rgba(15, 23, 42, 0.75);
    --card-bg: rgba(255, 255, 255, 0.02);
    --card-hover-bg: rgba(255, 255, 255, 0.06);
    --accent-color: #60a5fa;
    --accent-secondary: #c084fc;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #06b6d4 100%);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(96, 165, 250, 0.15);
    --glass-blur: blur(24px);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.5);
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

body {
    font-family: 'Outfit', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* Aurora background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 70% 60% at 15% 15%, rgba(96, 165, 250, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 85% 80%, rgba(192, 132, 252, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 50% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
    z-index: 0;
    pointer-events: none;
    animation: aurora-flow 25s ease-in-out infinite alternate;
}

@keyframes aurora-flow {
    0% { transform: scale(1) translate(0, 0); opacity: 0.9; }
    50% { transform: scale(1.1) translate(2%, 3%); opacity: 1; }
    100% { transform: scale(1) translate(-1%, -2%); opacity: 0.9; }
}

.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    position: relative;
    z-index: 1;
}

/* Sidebar Styling */
.sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem 1.25rem;
    display: flex;
    flex-direction: column;
    z-index: 10;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    cursor: pointer;
    margin-bottom: 1.25rem;
    padding-left: 0.5rem;
    color: var(--text-primary);
}

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

.logo i {
    font-size: 1.5rem;
    color: #00e5ff;
    filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.6));
}

.nav-group-title {
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
    opacity: 0.5;
    margin: 1rem 0 0.4rem 0.5rem;
}

.nav-group-title:first-of-type {
    margin-top: 0;
}

nav ul {
    list-style: none;
}

nav li {
    padding: 0.65rem 0.85rem;
    border-radius: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 600;
    transition: all 0.35s var(--transition-spring);
    margin-bottom: 0.15rem;
    border: 1px solid transparent;
}

nav li i {
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

nav li:hover {
    background: var(--card-hover-bg);
    color: var(--text-primary);
    transform: translateX(6px);
    border-color: rgba(255, 255, 255, 0.05);
}

nav li.active {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.2) 0%, rgba(192, 132, 252, 0.15) 100%);
    color: var(--text-primary);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 4px 20px rgba(96, 165, 250, 0.15);
    font-weight: 700;
}

/* Glassmorphism Card Utility */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 1.75rem;
    transition: all 0.4s var(--transition-spring);
}

.hover-glow:hover {
    border-color: rgba(96, 165, 250, 0.35);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3), 0 0 25px rgba(96, 165, 250, 0.08);
    background: var(--card-hover-bg);
    transform: translateY(-6px) scale(1.015);
    cursor: pointer;
}

/* Ticker widget styling */
.ticker-widget {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    padding: 0.85rem;
}

.ticker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background-color: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 8px #22c55e;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.ticker-body {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.ticker-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    padding: 0.4rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.ticker-item:last-child {
    border-bottom: none;
}

.ticker-item .label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-primary);
}

.ticker-item .value {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-primary);
}

.ticker-item .change {
    font-size: 0.75rem;
    font-weight: 600;
}

.ticker-item .change.positive { color: #4ade80; }
.ticker-item .change.negative { color: #f87171; }

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding-left: 0.5rem;
    margin-top: 1.5rem;
}



.status-indicator .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-indicator .dot.green {
    background-color: #22c55e;
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
}

/* Main Content Styling */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

.main-header {
    height: 75px;
    padding: 0 2.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(3, 7, 18, 0.5);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    z-index: 5;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
}

.breadcrumb .root-path {
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.breadcrumb .separator {
    font-size: 0.7rem;
    color: var(--text-secondary);
    opacity: 0.5;
}

.breadcrumb .current-path {
    color: var(--text-primary);
    font-weight: 700;
}

.quote-btn {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.15) 0%, rgba(192, 132, 252, 0.1) 100%);
    border: 1px solid rgba(96, 165, 250, 0.4);
    color: var(--text-primary);
    padding: 0.6rem 1.25rem;
    border-radius: 2.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s var(--transition-smooth);
}

.quote-btn:hover {
    border-color: rgba(96, 165, 250, 0.8);
    box-shadow: 0 0 15px rgba(96, 165, 250, 0.2);
    transform: translateY(-1px);
}

/* Scrollable Container for sections */
.scroll-container {
    flex: 1;
    overflow-y: auto;
    padding: 2.5rem;
    position: relative;
}

/* Scrollbar Customization */
.scroll-container::-webkit-scrollbar {
    width: 6px;
}
.scroll-container::-webkit-scrollbar-track {
    background: transparent;
}
.scroll-container::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}
.scroll-container::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Section Common */
.content-section {
    width: 100%;
    animation: fadeInUp 0.6s var(--transition-smooth) forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Section: Company Intro - Hero Banner */
.hero-banner {
    width: 100%;
    min-height: 380px;
    padding: 4rem 3.5rem;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 3rem;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('assets/concept_car.jpg') no-repeat center center/cover;
    opacity: 0.15;
    z-index: 0;
    filter: brightness(0.6) contrast(1.1);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(3, 7, 18, 0.95) 30%, rgba(3, 7, 18, 0.3) 100%);
    z-index: 1;
}

.hero-text-wrap {
    position: relative;
    z-index: 2;
    max-width: 650px;
}

.hero-text-wrap .badge {
    background: rgba(96, 165, 250, 0.2);
    border: 1px solid rgba(96, 165, 250, 0.4);
    color: #93c5fd;
    padding: 0.35rem 0.85rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    display: inline-block;
    margin-bottom: 1.25rem;
}

.hero-text-wrap h2 {
    font-size: 2.75rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    letter-spacing: -0.03em;
}

.hero-text-wrap p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.primary-btn {
    background: var(--accent-gradient);
    border: none;
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    transition: all 0.3s var(--transition-smooth);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.8rem 1.8rem;
    border-radius: 2.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Grid & Layout Utilities */
.section-title-wrap {
    margin-bottom: 2rem;
}

.section-title-wrap h3 {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.section-title-wrap p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.core-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.value-card {
    padding: 2.25rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.value-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.value-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
    flex-grow: 1;
}

.icon-wrap {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.gold-glow { background: rgba(212, 175, 55, 0.15); color: #ffd700; border: 1px solid rgba(212, 175, 55, 0.3); }
.auto-glow { background: rgba(0, 229, 255, 0.15); color: #00e5ff; border: 1px solid rgba(0, 229, 255, 0.3); }
.global-glow { background: rgba(168, 85, 247, 0.15); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }

.link-span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Stat Dashboard Widget */
.stat-section {
    display: flex;
    justify-content: space-around;
    padding: 2.5rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.stat-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 150px;
}

.stat-val {
    font-size: 2.25rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
}

/* Product Showcase Layout */
.product-showcase {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.product-showcase.reverse {
    grid-template-columns: 0.9fr 1.1fr;
}

.product-media {
    position: relative;
    border-radius: 1.25rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.showcase-img {
    width: 100%;
    display: block;
    transition: transform 0.6s var(--transition-smooth);
}

.product-media:hover .showcase-img {
    transform: scale(1.03);
}

.img-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.8));
    color: white;
    font-size: 0.8rem;
    font-weight: 500;
    text-align: center;
}

.product-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.category-tag {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.4rem 0.9rem;
    border-radius: 2rem;
    align-self: flex-start;
}

.gold-tag { background: rgba(255, 215, 0, 0.15); color: #ffd700; border: 1px solid rgba(255, 215, 0, 0.3); }
.aluminum-tag { background: rgba(229, 229, 229, 0.15); color: #f1f5f9; border: 1px solid rgba(229, 229, 229, 0.3); }
.copper-tag { background: rgba(255, 127, 80, 0.15); color: #ff7f50; border: 1px solid rgba(255, 127, 80, 0.3); }
.coal-tag { background: rgba(100, 116, 139, 0.15); color: #94a3b8; border: 1px solid rgba(100, 116, 139, 0.3); }

.product-info h2 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.product-info .description {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.7;
}

.feature-bullets {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.bullet-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.bullet-item i {
    color: #10b981;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.bullet-item span {
    font-size: 0.92rem;
    line-height: 1.5;
    color: var(--text-primary);
}

/* Specs Table styling */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    font-size: 0.85rem;
}

.specs-table th {
    border-bottom: 2px solid var(--border-color);
    padding: 0.75rem;
    text-align: left;
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.specs-table td {
    padding: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
}

.specs-table tr:last-child td {
    border-bottom: none;
}

/* Section: Automotive Styling */
.auto-hero {
    position: relative;
    border-radius: 1.75rem;
    overflow: hidden;
    width: 100%;
    min-height: 480px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.auto-hero-img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
}

.auto-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(3, 7, 18, 0) 30%, rgba(3, 7, 18, 0.95) 100%);
}

.auto-hero-text {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3.5rem;
    z-index: 2;
    max-width: 800px;
}

.auto-badge {
    background: rgba(6, 182, 212, 0.1) !important;
    border: 1px solid rgba(6, 182, 212, 0.2) !important;
    color: #0891b2 !important;
    font-weight: 800;
    padding: 0.35rem 0.85rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    display: inline-block;
    margin-bottom: 1rem;
}

.auto-hero-text h2 {
    font-size: 2.75rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.auto-hero-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

.auto-tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.tech-card {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tech-icon {
    font-size: 2rem;
    color: #00e5ff;
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
    margin-bottom: 0.5rem;
}

.tech-card h4 {
    font-size: 1.15rem;
    font-weight: 700;
}

.tech-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
}

.performance-stats {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 2.25rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.perf-metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 160px;
}

.metric-num {
    font-size: 2.25rem;
    font-weight: 900;
    color: #00e5ff;
    text-shadow: 0 0 12px rgba(0, 229, 255, 0.25);
    text-align: center;
}

.metric-lbl {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-align: center;
}

.perf-divider {
    width: 1px;
    height: 50px;
    background: var(--border-color);
}

/* Contact Layout Styling */
.contact-layout {
    display: grid;
    grid-template-columns: 0.90fr 1.10fr;
    gap: 2.5rem;
}

.contact-info-panel {
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info-panel h2 {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.contact-info-panel p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.contact-channels {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.channel-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.channel-item i {
    width: 40px;
    height: 40px;
    background: rgba(96, 165, 250, 0.15);
    border: 1px solid rgba(96, 165, 250, 0.3);
    color: var(--accent-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-top: 0.2rem;
}

.channel-item h5 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.channel-item p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin: 0;
}

.contact-form-panel {
    padding: 3rem 2.5rem;
}

.form-row {
    display: flex;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex: 1;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 0.85rem;
    padding: 0.8rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s var(--transition-smooth);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: rgba(96, 165, 250, 0.6);
    box-shadow: 0 0 12px rgba(96, 165, 250, 0.15);
    background: rgba(0, 0, 0, 0.35);
}

.form-group select option {
    background-color: #0c1017;
    color: var(--text-primary);
}

.submit-btn {
    width: 100%;
    background: var(--accent-gradient);
    border: none;
    color: white;
    padding: 1rem;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    transition: all 0.3s var(--transition-smooth);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

/* Modal Overlay Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(4, 6, 10, 0.8);
    backdrop-filter: blur(8px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s var(--transition-smooth);
}

.modal-card {
    max-width: 450px;
    padding: 3rem 2.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    animation: scaleIn 0.3s var(--transition-spring);
}

.success-icon {
    font-size: 3.5rem;
    color: #10b981;
    filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.3));
}

.modal-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
}

.modal-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .product-showcase, 
    .product-showcase.reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .product-showcase.reverse .product-media {
        grid-row: 1;
    }
    .contact-layout {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: auto;
        flex-shrink: 0;
        padding: 1rem 1rem 0.5rem 1rem;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        background: rgba(10, 14, 23, 0.95);
    }
    .logo {
        margin-bottom: 0.75rem;
        justify-content: center;
        font-size: 1.5rem;
    }
    .nav-group-title {
        display: none;
    }
    nav ul {
        display: flex;
        gap: 0.4rem;
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
    }
    nav ul::-webkit-scrollbar {
        display: none;
    }
    nav li {
        margin-bottom: 0;
        padding: 0.5rem 0.85rem;
        font-size: 0.82rem;
        flex-shrink: 0;
    }
    nav li:hover {
        transform: none;
    }
    .ticker-widget, .status-indicator {
        display: none;
    }
    .main-header {
        height: 60px;
        padding: 0 1rem;
    }
    .breadcrumb .root-path,
    .breadcrumb .separator {
        display: none;
    }
    .quote-btn {
        padding: 0.45rem 0.9rem;
        font-size: 0.75rem;
    }
    .scroll-container {
        padding: 1rem;
    }
    .hero-banner {
        padding: 2rem 1.25rem;
        min-height: auto;
        border-radius: 1rem;
    }
    .hero-text-wrap h2 {
        font-size: 1.4rem;
        line-height: 1.3;
    }
    .hero-text-wrap p {
        font-size: 0.85rem;
        margin-bottom: 1.5rem;
        line-height: 1.5;
    }
    .hero-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }
    .hero-buttons button {
        width: 100%;
        padding: 0.7rem 1.5rem;
    }
    .section-title-wrap h3 {
        font-size: 1.2rem;
    }
    .section-title-wrap p {
        font-size: 0.8rem;
    }
    .stat-section {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        padding: 1.5rem;
        gap: 1.5rem;
        border-radius: 1rem;
    }
    .stat-box {
        min-width: auto;
    }
    .stat-val {
        font-size: 1.6rem;
    }
    .showcase-img {
        max-height: 220px;
        object-fit: cover;
    }
    .product-info h2 {
        font-size: 1.35rem;
        line-height: 1.3;
    }
    .product-info .description {
        font-size: 0.85rem;
        line-height: 1.6;
    }
    .bullet-item span {
        font-size: 0.82rem;
    }
    .specs-table th {
        font-size: 0.72rem;
        padding: 0.5rem;
    }
    .specs-table td {
        font-size: 0.78rem;
        padding: 0.5rem;
    }
    .auto-hero {
        min-height: auto;
        border-radius: 1rem;
    }
    .auto-hero-img {
        height: 220px;
    }
    .auto-hero-text {
        padding: 1.5rem;
    }
    .auto-hero-text h2 {
        font-size: 1.35rem;
    }
    .auto-hero-text p {
        font-size: 0.85rem;
    }
    .tech-card {
        padding: 1.5rem;
    }
    .tech-card h4 {
        font-size: 1rem;
    }
    .tech-card p {
        font-size: 0.8rem;
    }
    .performance-stats {
        flex-direction: column;
        padding: 1.5rem;
        border-radius: 1rem;
    }
    .perf-divider {
        width: 80%;
        height: 1px;
    }
    .metric-num {
        font-size: 1.75rem;
    }
    .metric-lbl {
        font-size: 0.72rem;
    }
    .contact-info-panel,
    .contact-form-panel {
        padding: 2rem 1.5rem;
        border-radius: 1rem;
    }
    .contact-info-panel h2 {
        font-size: 1.35rem;
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}

/* Language Selector */
.lang-selector {
    display: flex;
    padding: 0.25rem;
    gap: 0.2rem;
    border-radius: 2rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.35rem 0.65rem;
    border-radius: 1.5rem;
    font-size: 0.75rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.25s var(--transition-smooth);
}

.lang-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.lang-btn.active {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.25);
}

@media (max-width: 768px) {
    .lang-selector {
        padding: 0.15rem;
    }
    .lang-btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.7rem;
    }
}

/* Global Footer styling */
.main-footer {
    margin-top: 4rem;
    padding: 2rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background: rgba(15, 23, 42, 0.4);
    border-radius: 1.25rem;
    transition: all 0.3s var(--transition-smooth);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    align-items: flex-start;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.footer-address {
    font-size: 0.78rem;
    color: var(--text-secondary);
    opacity: 0.85;
}

.footer-copyright {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.5;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
    }
    .footer-links {
        gap: 1rem;
        flex-wrap: wrap;
    }
}

/* PDF Profile Extended Styles */
.margin-top-md {
    margin-top: 2rem;
}

.margin-top-sm {
    margin-top: 1rem;
}

/* CEO Card */
.ceo-card {
    padding: 2.2rem 2.5rem;
    border-left: 4px solid var(--accent-color);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.8) 100%);
    border-radius: 1.25rem;
}

.ceo-info .sub-badge {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--accent-color);
    text-transform: uppercase;
}

.ceo-info h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin: 0.6rem 0;
    color: var(--text-primary);
}

.ceo-info p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}

.ceo-signature {
    display: inline-block;
    margin-top: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.95rem;
}

/* Subsidiaries Grid */
.subsidiary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 1rem;
}

.sub-card {
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: transform 0.3s var(--transition-smooth);
}

.sub-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 229, 255, 0.4);
}

.sub-name {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.4rem;
}

.sub-detail {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Category & Volume Badges */
.category-tag.oil-tag {
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.3);
}

.volume-badge {
    display: inline-block;
    margin-top: 0.75rem;
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

/* Military Contract Card */
.military-card {
    padding: 2rem 2.2rem;
    border-radius: 1.25rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(15, 23, 42, 0.7) 100%);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.military-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 800;
    background: #10b981;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.military-card h3 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.military-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.roadmap-pills {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1.25rem;
}

.roadmap-pills .pill {
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-color);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Partner Brands List */
.brand-badges-list {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.brand-badge {
    padding: 0.5rem 1.1rem;
    border-radius: 10px;
    background: rgba(0, 229, 255, 0.08);
    border: 1px solid rgba(0, 229, 255, 0.25);
    color: #00e5ff;
    font-size: 0.85rem;
    font-weight: 700;
}

/* Energy & Special Mobility Grid */
.energy-banner {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.15) 0%, rgba(10, 14, 23, 0.9) 100%);
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.energy-badge {
    background: rgba(168, 85, 247, 0.2);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.4);
}

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

.special-card {
    padding: 2rem 1.5rem;
    border-radius: 1.25rem;
    transition: transform 0.3s var(--transition-smooth), border-color 0.3s var(--transition-smooth);
}

.special-card:hover {
    transform: translateY(-6px);
    border-color: rgba(168, 85, 247, 0.5);
}

.special-icon {
    font-size: 2rem;
    color: #c084fc;
    margin-bottom: 1rem;
}

.special-card h4 {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.special-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Timeline Container (PDF Milestones) */
.timeline-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    padding: 2rem;
    margin-top: 1rem;
    border-radius: 1.25rem;
}

.timeline-item {
    padding: 1.25rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-left: 3px solid #00e5ff;
    border-radius: 0 0.8rem 0.8rem 0;
    transition: transform 0.3s var(--transition-smooth);
}

.timeline-item:hover {
    transform: translateX(4px);
    background: rgba(0, 229, 255, 0.06);
}

.tl-year {
    font-size: 0.8rem;
    font-weight: 800;
    color: #00e5ff;
    display: block;
    margin-bottom: 0.35rem;
    text-transform: uppercase;
}

.tl-text {
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.5;
}

/* Partners Grid Wrap */
.partners-grid-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    padding: 2rem;
    margin-top: 1rem;
    border-radius: 1.25rem;
}

.partner-pill {
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: all 0.3s var(--transition-smooth);
}

.partner-pill:hover {
    border-color: #38bdf8;
    background: rgba(56, 189, 248, 0.12);
    color: #38bdf8;
    transform: translateY(-2px);
}

/* Dealer Table Wrap */
.dealer-table-wrap {
    padding: 1.5rem;
    margin-top: 1rem;
    border-radius: 1.25rem;
}

.margin-bottom-lg {
    margin-bottom: 3rem;
}