:root {
    /* Color System */
    --clr-bg-base: #07090F;
    --clr-bg-surface: #0f1422;
    --clr-bg-surface-elevated: #1a233a;
    
    --clr-accent-primary: #e85d22;
    --clr-accent-hover: #ff7438;
    --clr-accent-glow: rgba(232, 93, 34, 0.4);
    
    --clr-text-primary: #f8fafc;
    --clr-text-muted: #94a3b8;
    --clr-text-dim: #64748b;
    
    --clr-border: #334155;
    --clr-border-light: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Effects */
    --glass-bg: rgba(15, 20, 34, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 4px 6px -1px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(232, 93, 34, 0.2);
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 1rem;
    --space-4: 1.5rem;
    --space-6: 2rem;
    --space-8: 4rem;
    --space-12: 8rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--clr-bg-base);
    color: var(--clr-text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* Background Effects */
.site-background {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-size: 40px 40px;
    background-image: linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
    mask-image: radial-gradient(circle at center, black, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black, transparent 80%);
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.5;
    z-index: -1;
    animation: float 20s ease-in-out infinite alternate;
}

.primary-orb {
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--clr-accent-glow), transparent 70%);
}

.secondary-orb {
    bottom: -20%;
    left: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(51, 65, 85, 0.4), transparent 70%);
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-50px, 50px); }
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gradient-text {
    background: linear-gradient(135deg, #fff 0%, var(--clr-accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-3) var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--clr-text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.brand-icon {
    color: var(--clr-accent-primary);
}

.brand-accent {
    color: var(--clr-accent-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav-link {
    color: var(--clr-text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-heading);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--clr-text-primary);
    cursor: pointer;
}

/* Buttons */
.btn-primary, .btn-primary-outline, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    text-decoration: none;
    border-radius: 2px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--clr-accent-primary);
    color: #000;
    padding: var(--space-3) var(--space-6);
    border: 1px solid var(--clr-accent-primary);
}

.btn-primary:hover {
    background: var(--clr-accent-hover);
    border-color: var(--clr-accent-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-primary-outline {
    background: transparent;
    color: var(--clr-accent-primary);
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--clr-accent-primary);
}

.btn-primary-outline:hover {
    background: var(--clr-accent-glow);
    color: #fff;
}

.btn-secondary {
    background: var(--clr-bg-surface-elevated);
    color: var(--clr-text-primary);
    padding: var(--space-3) var(--space-6);
    border: 1px solid var(--clr-border);
}

.btn-secondary:hover {
    background: var(--clr-border);
}

.size-lg {
    font-size: 1.1rem;
    padding: var(--space-4) var(--space-8);
}

/* Layout */
.section-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section-header {
    margin-bottom: var(--space-8);
    position: relative;
    padding-left: var(--space-4);
    border-left: 4px solid var(--clr-accent-primary);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-2);
}

.section-desc {
    color: var(--clr-text-muted);
    font-size: 1.1rem;
    max-width: 600px;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: var(--space-12) var(--space-6) var(--space-8);
    max-width: 1280px;
    margin: 0 auto;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: var(--space-2) var(--space-3);
    border-radius: 100px;
    margin-bottom: var(--space-6);
    opacity: 0;
    animation: fadeUp 0.8s forwards;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--clr-accent-primary);
    box-shadow: 0 0 10px var(--clr-accent-primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
    100% { opacity: 1; transform: scale(1); }
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    margin-bottom: var(--space-4);
    opacity: 0;
    animation: fadeUp 0.8s forwards;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--clr-text-muted);
    margin-bottom: var(--space-8);
    max-width: 600px;
    opacity: 0;
    animation: fadeUp 0.8s forwards;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    opacity: 0;
    animation: fadeUp 0.8s forwards;
}

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

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

.hero-visual {
    position: absolute;
    right: 2%;
    top: 50%;
    transform: translateY(-50%);
    width: 45%;
    max-width: 600px;
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    animation: fadeIn 1s forwards;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.hero-image-wrapper {
    position: relative;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-glow);
    background: var(--glass-bg);
    padding: var(--space-2);
    transform: rotate(2deg);
    transition: transform 0.4s ease;
}

.hero-img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

.glass-marquee {
    background: var(--glass-bg);
    backdrop-filter: blur(4px);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-3) 0;
    white-space: nowrap;
    overflow: hidden;
    transform: rotate(-3deg);
    width: 120%;
    margin-left: -10%;
}

.marquee-content {
    display: inline-block;
    animation: scroll 30s linear infinite;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--clr-border);
}

.separator {
    color: var(--clr-accent-primary);
    margin: 0 var(--space-4);
}

@keyframes scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* Services & Manuals Section */
.services-section, .manuals-section {
    padding: var(--space-12) 0;
    position: relative;
    border-top: 1px solid rgba(255,255,255,0.02);
}

.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
}

.service-card {
    background: var(--clr-bg-surface);
    border: 1px solid var(--clr-border);
    padding: var(--space-6);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--clr-accent-primary);
    transition: height 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    background: var(--clr-bg-surface-elevated);
    border-color: var(--clr-border-light);
    box-shadow: var(--shadow-sm);
}

.service-card:hover::before {
    height: 100%;
}

.card-icon {
    background: rgba(232, 93, 34, 0.1);
    color: var(--clr-accent-primary);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-2);
}

.card-desc {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    margin-bottom: var(--space-4);
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--clr-text-dim);
    padding-top: var(--space-4);
    border-top: 1px dashed var(--clr-border);
}

.manuals-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

.manual-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    background: var(--clr-bg-surface);
    border: 1px solid var(--clr-border);
    transition: all 0.2s;
    cursor: pointer;
}

.manual-item:hover {
    background: var(--clr-bg-surface-elevated);
    border-color: var(--clr-accent-primary);
}

.manual-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.manual-icon {
    color: var(--clr-text-muted);
}

.manual-item:hover .manual-icon {
    color: var(--clr-accent-primary);
}

/* Service Card Images */
.has-img {
    padding: 0;
    display: flex;
    flex-direction: column;
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--clr-border);
    transition: transform 0.4s ease;
}

.has-img:hover .card-img {
    transform: scale(1.05);
}

.card-content {
    padding: var(--space-6);
    position: relative;
    background: var(--clr-bg-surface);
    flex-grow: 1;
    z-index: 2;
}

.has-img:hover .card-content {
    background: var(--clr-bg-surface-elevated);
}

/* CTA Section */
.cta-section {
    padding: var(--space-12) var(--space-6);
    max-width: 1000px;
    margin: 0 auto;
}

.cta-glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: var(--space-8);
    text-align: center;
    backdrop-filter: blur(10px);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.cta-glass-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--clr-accent-primary), transparent);
}

.cta-glass-card h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-4);
}

.cta-glass-card p {
    color: var(--clr-text-muted);
    font-size: 1.2rem;
    margin-bottom: var(--space-6);
}

/* Footer */
.footer {
    border-top: 1px solid var(--clr-border);
    padding: var(--space-8) 0 var(--space-6);
    background: var(--clr-bg-surface);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.footer-brand p {
    color: var(--clr-text-dim);
    margin-top: var(--space-2);
}

.footer-copy {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--clr-text-dim);
}

/* Modal */
.document-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.document-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
}

.modal-dialog {
    position: relative;
    background: var(--clr-bg-surface);
    border: 1px solid var(--clr-border);
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    border-radius: 4px;
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

.document-modal.active .modal-dialog {
    transform: scale(1);
}

.modal-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--clr-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--clr-bg-surface-elevated);
}

.modal-title {
    font-size: 1.5rem;
    color: var(--clr-text-primary);
}

.modal-subtitle {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--clr-accent-primary);
    margin-top: var(--space-1);
}

.btn-close {
    background: transparent;
    color: var(--clr-text-muted);
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    transition: color 0.2s;
}

.btn-close:hover {
    color: #fff;
}

.modal-body {
    padding: var(--space-6);
    overflow-y: auto;
    font-family: var(--font-body);
}

/* Markdown Rendering Styles */
.modal-body h1, .modal-body h2, .modal-body h3 {
    font-family: var(--font-heading);
    margin-top: var(--space-6);
    margin-bottom: var(--space-4);
    color: var(--clr-text-primary);
    border-bottom: 1px solid var(--clr-border);
    padding-bottom: var(--space-2);
}

.modal-body p {
    margin-bottom: var(--space-4);
    color: var(--clr-text-muted);
}

.modal-body ul, .modal-body ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
    color: var(--clr-text-muted);
}

.modal-body li {
    margin-bottom: var(--space-2);
}

.modal-body code {
    font-family: var(--font-mono);
    background: var(--clr-bg-base);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-size: 0.9em;
    color: var(--clr-accent-primary);
}

.modal-body pre {
    background: var(--clr-bg-base);
    padding: var(--space-4);
    border: 1px solid var(--clr-border);
    overflow-x: auto;
    margin-bottom: var(--space-4);
}

.modal-body pre code {
    background: transparent;
    padding: 0;
    color: var(--clr-text-primary);
}

.modal-body blockquote {
    border-left: 4px solid var(--clr-accent-primary);
    padding-left: var(--space-4);
    margin-bottom: var(--space-4);
    color: var(--clr-text-dim);
    font-style: italic;
}

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    color: var(--clr-text-muted);
    font-family: var(--font-mono);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 2px solid var(--clr-border);
    border-top-color: var(--clr-accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-4);
}

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

@media (max-width: 768px) {
    .nav-menu { display: none; }
    .mobile-menu-btn { display: block; }
    .hero-cta { flex-direction: column; }
    .footer-container { flex-direction: column; gap: var(--space-4); align-items: flex-start; }
}