.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    display: inline-block;
    vertical-align: middle;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.parallax-bg {
    transition: transform 0.1s ease-out;
}

/* Corporate theme */
.btn-gold {
    background-color: #D4AF37;
    color: #111827;
    transition: all 0.3s ease;
}

.btn-gold:hover {
    transform: scale(1.02);
    filter: brightness(1.1);
    box-shadow: 0 10px 20px -10px rgba(212, 175, 55, 0.4);
}

.technical-border {
    border: 0.5px solid #334155;
}

.service-card:hover .technical-border {
    border-color: #D4AF37;
}

.nav-link-active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 4px;
    height: 4px;
    background-color: #c0c6db;
    border-radius: 9999px;
}

@keyframes scan {
    0% { top: 0%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* Camera / CCTV surveillance overlay — evokes on-site camera security */
.cam-hud {
    position: absolute;
    inset: 0;
    pointer-events: none;
    font-family: "Inter", sans-serif;
}

.cam-hud::before,
.cam-hud::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    border: 2px solid rgba(212, 175, 55, 0.85);
}

.cam-hud::before {
    top: 12px;
    left: 12px;
    border-width: 2px 0 0 2px;
}

.cam-hud::after {
    bottom: 12px;
    right: 12px;
    border-width: 0 2px 2px 0;
}

.cam-hud__rec {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    background: rgba(11, 15, 16, 0.65);
    backdrop-filter: blur(2px);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: #e0e3e5;
    text-transform: uppercase;
}

.cam-hud__dot {
    width: 8px;
    height: 8px;
    border-radius: 9999px;
    background: #ef4444;
    animation: rec-pulse 1.4s ease-in-out infinite;
}

@keyframes rec-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.35; transform: scale(0.7); }
}

.cam-hud__label {
    position: absolute;
    bottom: 12px;
    left: 12px;
    padding: 4px 8px;
    background: rgba(11, 15, 16, 0.65);
    backdrop-filter: blur(2px);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: rgba(212, 175, 55, 0.95);
    text-transform: uppercase;
}

.cam-hud__marker {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(212, 175, 55, 0.7);
    border-radius: 9999px;
    background: rgba(11, 15, 16, 0.45);
    box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.12);
}

.cam-hud__marker .material-symbols-outlined {
    font-size: 20px;
    color: #D4AF37;
}

.cam-scan {
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.7), transparent);
    position: absolute;
    width: 100%;
    left: 0;
    top: 0;
    animation: scan 4.5s linear infinite;
}

/* Company branding decal on the patrol vehicle */
.vehicle-decal {
    position: absolute;
    padding: 10px 14px;
    background: rgba(16, 20, 21, 0.72);
    backdrop-filter: blur(3px);
    border-left: 3px solid #D4AF37;
    transform: skewX(-6deg);
    line-height: 1.15;
}

.vehicle-decal__name {
    font-family: "Inter", sans-serif;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #e0e3e5;
}

.vehicle-decal__phone {
    font-family: "Inter", sans-serif;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: #D4AF37;
}

/* Mobile menu */
.mobile-menu {
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu-overlay {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

html {
    scroll-behavior: smooth;
}