:root {
    /* Theme tokens */
    --color-primary: #00C6FF; /* Cyan Electric */
    --color-secondary: #0072FF; /* Azure Shift */
    --color-accent: #B8F0FF; /* Silver Pulse */
    --color-bg: #000A12; /* Tech Black */
    --color-surface: #00121F; /* Midnight Alloy */
    --color-border: rgba(0,255,255,0.15);
    --color-text: rgba(220,240,255,0.92);
    --color-glow: rgba(0,198,255,0.35);
    --radius-lg: 14px;
    --radius-md: 10px;
    --transition-fast: 180ms;
    --container-max: 95%;
}

/* -----------------------
   Base & typography
   -----------------------*/
* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    color: var(--color-text);
    background: radial-gradient(circle at 30% 30%, #000A12 0%, #00121F 100%);
    font-family: "Rajdhani", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

    /* semi-transparent metallic overlay */
    body::before {
        content: "";
        position: fixed;
        inset: 0;
        pointer-events: none;
        background: linear-gradient(180deg, rgba(255,255,255,0.015), rgba(0,198,255,0.012));
        mix-blend-mode: screen;
        z-index: 0;
    }

/* faint cyan circuit grid overlay (animated) */
@keyframes circuit-move {
    from {
        background-position: 0 0, 0 0;
    }

    to {
        background-position: 1600px 0, -1600px 0;
    }
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(0deg, rgba(0,198,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0,198,255,0.03) 1px, transparent 1px);
    background-size: 120px 120px, 120px 120px;
    opacity: 0.35;
    filter: blur(0.6px) contrast(1.05);
    mix-blend-mode: overlay;
    z-index: 0;
    animation: circuit-move 30s linear infinite;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    body::after {
        animation: none;
    }
}

/* Headings & brand typography */
h1, h2, h3, button, .brand {
    font-family: "Orbitron", sans-serif;
    text-transform: uppercase;
    letter-spacing: 1.6px;
    margin: 0;
}

/* a metallic holographic text treatment helper */
.holo-text {
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
}

/* Holo-shine animation */
@keyframes holo-shine {
    0% {
        background-position: 0% 50%;
    }

    100% {
        background-position: 100% 50%;
    }
}

.holo-animated {
    animation: holo-shine 8s linear infinite;
}

/* Paragraphs / UI text */
p, li, nav, small {
    font-family: "Rajdhani", sans-serif;
    letter-spacing: 0.6px;
    color: var(--color-text);
}

/* code / numeric */
.code-mono, .kpi-value {
    font-family: "Share Tech Mono", monospace;
    letter-spacing: 1px;
}

/* -----------------------
   Layout helpers
   -----------------------*/
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.25rem;
    position: relative;
    z-index: 1;
}

/* header baseline - translucent metallic */
.site-header {
    background: rgba(5,15,25,0.65);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,255,255,0.12);
    z-index: 30;
}

/* link default */
a {
    color: var(--color-primary);
    text-decoration: none;
}

/* -----------------------
   Buttons
   -----------------------*/
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1rem;
    border-radius: 50px;
    border: 1px solid rgba(0,255,255,0.12);
    cursor: pointer;
    transition: transform var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
    box-shadow: 0 6px 20px rgba(0,198,255,0.05);
    -webkit-backdrop-filter: blur(2px);
    will-change: transform;
}

/* primary gradient button */
.btn-primary {
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
    color: #00121F;
    box-shadow: 0 8px 30px var(--color-glow);
    border: 1px solid rgba(0,255,255,0.28);
    font-weight: 700;
}

    .btn-primary:hover {
        transform: translateY(-4px);
        box-shadow: 0 18px 48px rgba(0,198,255,0.55);
    }

/* outline variant */
.btn-outline {
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,198,255,0.02));
    color: var(--color-accent);
    border: 1px solid rgba(0,255,255,0.18);
}

.btn-ghost {
    background: transparent;
    color: var(--color-accent);
    border: none;
}

/* -----------------------
   Cards & surfaces
   -----------------------*/
.card, .service-card, .success-card, .testimonial {
    background: linear-gradient(160deg, rgba(255,255,255,0.03), rgba(0,198,255,0.02));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.1rem;
    box-shadow: 0 10px 30px rgba(0,198,255,0.04);
    transition: transform var(--transition-fast) ease, box-shadow var(--transition-fast) ease, border-color var(--transition-fast) ease;
}

    /* card hover: metallic pop */
    .card:hover, .service-card:hover, .success-card:hover, .testimonial:hover {
        transform: translateY(-8px);
        box-shadow: 0 30px 80px rgba(0,198,255,0.10);
        border-color: rgba(0,198,255,0.22);
    }

/* -----------------------
   Hero text holo treatment
   -----------------------*/
.hero-copy h1, .hero-copy h2, .hero-copy h3 {
    color: var(--color-accent);
    font-weight: 700;
}

    .hero-copy h1.holo {
        /* apply holographic gradient to main headings */
        background: linear-gradient(90deg, var(--color-accent), var(--color-primary), var(--color-secondary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-size: 200% auto;
        animation: holo-shine 8s linear infinite;
    }

/* -----------------------
   Footer tweaks (uses theme)
   -----------------------*/
.site-footer {
    background: linear-gradient(180deg, #000A12 0%, #00121F 100%);
    color: var(--color-text);
    border-top: 1px solid rgba(0,255,255,0.06);
}

    /* footer brand gradient */
    .site-footer .company strong {
        background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

/* -----------------------
   Accessibility
   -----------------------*/
:focus {
    outline: 2px solid rgba(0,198,255,0.32);
    outline-offset: 2px;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .holo-animated, body::after, .card, .service-card, .success-card, .testimonial {
        animation: none !important;
        transition: none !important;
        transform: none !important;
    }
}