:root {
    --bg-color: #050505;
    --gold: #D4AF37;
    --gold-hover: #b5952f;
    --silver: #C0C0C0;
    --white: #FFFFFF;
    --red: #FF3131;
    --yellow: #FFC107;
    --green: #00E676;
    
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(212, 175, 55, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Poppins', sans-serif;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--white);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.text-center { text-align: center; }
.gold-text { color: var(--gold); }
.silver-text { color: var(--silver); }
.red-text { color: var(--red); }
.yellow-text { color: var(--yellow); }
.green-text { color: var(--green); }
.amp-font { 
    font-family: 'Times New Roman', Times, serif;
    font-style: normal;
    font-weight: 900;
    font-size: 1.3em;
    padding: 0 5px;
    color: #ffd700;
    text-shadow: 
        -1px -1px 1px #fff099,
        1px 1px 1px #c59b00,
        2px 2px 1px #997700,
        3px 3px 1px #664f00,
        4px 4px 4px rgba(0,0,0,0.6);
}
.mt-4 { margin-top: 2rem; }

.logo-o {
    position: relative;
    display: inline-block;
}
.logo-o::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0.35em;
    height: 0.4em;
    background-color: var(--red);
    border-radius: 50%;
    z-index: -1;
}

.text-glow {
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

.silver-text.text-glow {
    text-shadow: 0 0 10px rgba(192, 192, 192, 0.3);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    cursor: pointer;
}

.btn-large {
    padding: 15px 40px;
    font-size: 1rem;
}

.btn-gold {
    background: linear-gradient(135deg, #D4AF37, #b5952f);
    color: var(--bg-color);
    border: none;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.btn-gold:hover {
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
    transform: translateY(-2px);
    color: var(--bg-color);
}

.btn-outline-silver {
    background: transparent;
    color: var(--silver);
    border: 2px solid var(--silver);
}

.btn-outline-silver:hover {
    background: rgba(192, 192, 192, 0.1);
    box-shadow: 0 4px 15px rgba(192, 192, 192, 0.2);
    transform: translateY(-2px);
}

/* Glassmorphism */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
}

/* Top Bar */
.top-bar {
    background: #000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 8px 0;
    font-size: 0.85rem;
    color: #999;
}

.top-bar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar i { margin-right: 5px; }

.top-bar-right {
    display: flex;
    gap: 20px;
    align-items: center;
}

.top-bar-right a {
    color: #999;
    text-decoration: none;
    transition: var(--transition);
}

.top-bar-right a:hover { color: var(--gold); }

.social-icons {
    display: flex;
    gap: 15px;
    border-left: 1px solid rgba(255,255,255,0.1);
    padding-left: 20px;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
    padding: 10px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 8px 0;
    background: rgba(5, 5, 5, 0.97);
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 1px;
}

/* RSS brand logo in navbar */
.nav-logo-img {
    height: auto;
    width: 240px;
    max-width: 240px;
    object-fit: contain;
    display: block;
}

/* Small company icon — left of brand name */
.nav-icon-img {
    height: 52px;
    width: 52px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--gold);
    left: 0;
    bottom: -5px;
    transition: var(--transition);
}

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

.nav-links a:hover, .nav-links a.active {
    color: var(--gold);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gold);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: calc(100vh - 110px);
    display: flex;
    align-items: center;
    background: url('https://images.unsplash.com/photo-1449824913935-59a10b8d2000?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(5,5,5,0.95) 0%, rgba(5,5,5,0.8) 40%, rgba(5,5,5,0.4) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    width: 100%;
}

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #ccc;
    margin-bottom: 40px;
    max-width: 90%;
}

.hero-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
}

.hero-features {
    display: flex;
    gap: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 0.95rem;
}

/* 3D Traffic Signal CSS Art */
.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.traffic-signal-3d {
    position: relative;
    transform: rotateY(-15deg) rotateX(5deg);
    transform-style: preserve-3d;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: rotateY(-15deg) rotateX(5deg) translateY(0px); }
    50% { transform: rotateY(-15deg) rotateX(5deg) translateY(-20px); }
    100% { transform: rotateY(-15deg) rotateX(5deg) translateY(0px); }
}

.signal-housing {
    width: 140px;
    height: 380px;
    background: linear-gradient(145deg, #222, #000);
    border-radius: 20px;
    border: 2px solid #444;
    box-shadow: 
        inset 0 0 20px rgba(0,0,0,0.8),
        0 15px 35px rgba(0,0,0,0.5),
        0 0 15px rgba(255,255,255,0.1),
        -5px 0 1px rgba(192,192,192,0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
    position: relative;
    z-index: 2;
}

.light-visor {
    width: 100px;
    height: 100px;
    background: #111;
    border-radius: 50%;
    position: relative;
    box-shadow: inset 0 10px 15px rgba(0,0,0,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #333;
}

.light-visor::before {
    content: '';
    position: absolute;
    top: -15px;
    width: 120%;
    height: 50%;
    background: #111;
    border-radius: 50% 50% 0 0;
    z-index: 3;
    box-shadow: 0 -2px 5px rgba(255,255,255,0.1);
}

.light {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    z-index: 1;
    position: relative;
}

.red-light {
    background: radial-gradient(circle at 30% 30%, #ff6b6b, var(--red));
    box-shadow: 0 0 40px var(--red), inset 0 0 15px rgba(255,0,0,0.8);
    animation: pulse-red 2s infinite alternate;
}

.yellow-light {
    background: radial-gradient(circle at 30% 30%, #ffd966, var(--yellow));
    box-shadow: 0 0 30px var(--yellow), inset 0 0 15px rgba(255,193,7,0.8);
    opacity: 0.3;
}

.green-light {
    background: radial-gradient(circle at 30% 30%, #69f0ae, var(--green));
    box-shadow: 0 0 30px var(--green), inset 0 0 15px rgba(0,230,118,0.8);
    opacity: 0.3;
}

@keyframes pulse-red {
    0% { box-shadow: 0 0 20px var(--red), inset 0 0 15px rgba(255,0,0,0.8); }
    100% { box-shadow: 0 0 50px var(--red), inset 0 0 25px rgba(255,0,0,0.9); }
}

.signal-pole {
    width: 30px;
    height: 150px;
    background: linear-gradient(90deg, #333, #666, #222);
    margin: 0 auto;
    position: relative;
    top: -10px;
    z-index: 1;
    border-radius: 0 0 10px 10px;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.8);
}

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

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-subtitle {
    color: #aaa;
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.title-separator {
    height: 3px;
    width: 60px;
    background: var(--gold);
    margin: 0 auto 50px;
    border-radius: 2px;
}

/* Services */
.services {
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0MDAiIGhlaWdodD0iNDAwIj48ZGVmcz48cGF0dGVybiBpZD0icCIgd2lkdGg9IjQwIiBoZWlnaHQ9IjQwIiBwYXR0ZXJuVW5pdHM9InVzZXJTcGFjZU9uVXNlIj48cGF0aCBkPSJNMjAgMEwyMCA0ME0wIDIwTDQwIDIwIiBzdHJva2U9InJnYmEoMjU1LDI1NSwyNTUsMC4wMikiIHN0cm9rZS13aWR0aD0iMSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwKSIvPjwvc3ZnPg==') var(--bg-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    padding: 40px 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    box-shadow: 0 15px 40px rgba(0,0,0,0.6), 0 0 20px rgba(212, 175, 55, 0.1);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: 2px solid var(--gold);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    color: var(--gold);
    margin-bottom: 25px;
    background: rgba(212, 175, 55, 0.05);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--gold);
    color: var(--bg-color);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.service-card p {
    color: #aaa;
    margin-bottom: 25px;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

.read-more {
    color: var(--gold);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

.read-more i {
    transition: var(--transition);
}

.read-more:hover i {
    transform: translateX(5px);
}

/* Statistics */
.statistics {
    background: linear-gradient(rgba(5,5,5,0.9), rgba(5,5,5,0.9)), url('https://images.unsplash.com/photo-1570125909232-eb263c188f78?q=80&w=2071&auto=format&fit=crop') center/cover fixed;
    padding: 80px 0;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.stats-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.stat-icon {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 15px;
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.4));
}

.stat-item h3 {
    font-family: var(--font-heading);
    font-size: 3rem;
    display: inline-block;
    color: var(--white);
    margin-bottom: 5px;
}

.stat-item .plus {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--gold);
}

.stat-item p {
    color: #bbb;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

.stat-separator {
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, rgba(212, 175, 55, 0.3), transparent);
}

/* About Section */
.about {
    position: relative;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-description {
    color: #aaa;
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.about-check-list {
    list-style: none;
    margin-bottom: 30px;
}

.about-check-list li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.image-wrapper {
    position: relative;
    border-radius: 20px;
    padding: 10px;
    height: 500px;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: var(--gold);
    border: none;
    border-radius: 50%;
    color: var(--bg-color);
    font-size: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 2;
    padding-left: 5px; /* Visual center for play icon */
}

.pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--gold);
    animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
    z-index: -1;
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.why-us-card {
    padding: 30px;
}

.why-us-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 25px;
    text-align: center;
    color: var(--gold);
}

.why-us-list {
    list-style: none;
}

.why-us-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.why-us-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.icon-box {
    width: 40px;
    height: 40px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--gold);
    font-size: 1.1rem;
}

/* Process Section */
.process {
    background: radial-gradient(circle at center, #111 0%, var(--bg-color) 100%);
}

.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding-top: 40px;
}

.timeline-line {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    z-index: 1;
}

.timeline-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.timeline-step {
    text-align: center;
    width: 150px;
}

.step-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    background: var(--bg-color);
    border: 2px solid var(--gold);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
    transition: var(--transition);
}

.timeline-step:hover .step-icon-wrapper {
    transform: scale(1.1);
    background: var(--gold);
}

.timeline-step:hover .step-icon-wrapper i {
    color: var(--bg-color);
}

.timeline-step h4 {
    font-family: var(--font-heading);
    margin-bottom: 5px;
    color: var(--white);
}

.timeline-step p {
    color: #888;
    font-size: 0.9rem;
}

/* Footer */
footer {
    padding: 30px 0;
    background: #000;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    color: #666;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1200px) {
    .about-container {
        grid-template-columns: 1fr 1fr;
    }
    .about-right {
        grid-column: span 2;
    }
}

@media (max-width: 1024px) {
    .hero-title { font-size: 3.5rem; }
    .hero-container { gap: 20px; }
    
    .stats-container {
        justify-content: center;
    }
    .stat-separator { display: none; }
    .stat-item { flex: 0 0 45%; margin-bottom: 30px; }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(5,5,5,0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }
    
    .nav-links.active { left: 0; }
    .hamburger { display: block; }
    .navbar .btn-gold { display: none; }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 50px;
    }
    
    .hero-left {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-features { justify-content: center; flex-wrap: wrap; }
    
    .traffic-signal-3d {
        transform: scale(0.8);
        margin-top: 30px;
    }
    
    .about-container { grid-template-columns: 1fr; }
    .about-right { grid-column: span 1; }
    
    .timeline-line { display: none; }
    .timeline-steps {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
}

/* ── Hero Logo Image ── */
.hero-logo-img {
    margin-bottom: 30px;
    animation: heroFadeIn 1s ease forwards;
}

.hero-logo-img img {
    max-width: 420px;
    width: 100%;
    height: auto;
}

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