/* ==========================================================================
   SERVICES PAGE — Zeta IT Consulting
   Page-specific styles for the services page.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. ANCHOR NAVIGATION (sticky below site header)
   -------------------------------------------------------------------------- */

.service-nav {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background-color: rgba(15, 17, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding-block: var(--space-3);
}

.service-nav-list {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.service-nav-list::-webkit-scrollbar {
    display: none;
}

.service-nav-link {
    white-space: nowrap;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    transition:
        color var(--duration-fast) var(--ease-out),
        background-color var(--duration-fast) var(--ease-out);
}

.service-nav-link:hover {
    color: var(--color-text);
    background-color: var(--color-bg-hover);
}

.service-nav-link.is-active {
    color: #fff;
    background-color: rgba(99, 102, 241, 0.15);
}


/* --------------------------------------------------------------------------
   2. SERVICE SECTION LAYOUT
   -------------------------------------------------------------------------- */

.service-section {
    scroll-margin-top: 4rem;
}

.service-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

/* Flip layout on even sections */
.service-section:nth-of-type(even) .service-layout {
    direction: rtl;
}

.service-section:nth-of-type(even) .service-layout > * {
    direction: ltr;
}

.service-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    flex-shrink: 0;
    background: var(--gradient-accent);
    border-radius: var(--radius-md);
    color: #fff;
}

.service-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.service-title {
    font-size: var(--text-3xl);
    font-weight: 700;
}

.service-description {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    line-height: var(--leading-normal);
    margin-bottom: var(--space-6);
}

.service-offerings {
    margin-bottom: var(--space-6);
}

.service-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.service-offerings li {
    padding: var(--space-2) 0;
    padding-left: var(--space-6);
    position: relative;
    color: var(--color-text-muted);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
}

.service-offerings li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.75em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
}


/* --------------------------------------------------------------------------
   3. SERVICE VISUAL (inline SVG illustrations)
   -------------------------------------------------------------------------- */

.service-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-graphic {
    width: 100%;
    max-width: 20rem;
}

.service-graphic svg {
    width: 100%;
    height: auto;
    display: block;
}


/* --------------------------------------------------------------------------
   3b. SVG ILLUSTRATION ANIMATIONS
   -------------------------------------------------------------------------- */

/* Build: code lines shimmer in a wave */
.svg-code-line {
    opacity: 0.45;
    animation: codeShimmer 1.5s ease-in-out infinite;
}

@keyframes codeShimmer {
    0%, 100% { opacity: 0.15; }
    50% { opacity: 1; }
}

/* Connect: data flow along lines */
.svg-data-flow {
    stroke-dasharray: 4 6;
    animation: dataFlow 0.8s linear infinite;
}

@keyframes dataFlow {
    to { stroke-dashoffset: -20; }
}

/* Connect: node inner circle pulse */
.svg-node-pulse {
    opacity: 0.7;
    animation: nodePulse 1.4s ease-in-out infinite;
    transform-box: fill-box;
    transform-origin: center;
}

@keyframes nodePulse {
    0%, 100% { transform: scale(0.8); opacity: 0.3; }
    50% { transform: scale(2); opacity: 1; }
}

/* Connect: center hub pulse */
.svg-hub-pulse {
    opacity: 0.8;
    animation: hubPulse 1.2s ease-in-out infinite;
    transform-box: fill-box;
    transform-origin: center;
}

@keyframes hubPulse {
    0%, 100% { transform: scale(0.8); opacity: 0.4; }
    50% { transform: scale(1.6); opacity: 1; }
}

/* Automate: large gear rotates clockwise */
.svg-gear-lg {
    animation: gearSpin 5s linear infinite;
    transform-box: fill-box;
    transform-origin: center;
}

@keyframes gearSpin {
    to { transform: rotate(360deg); }
}

/* Automate: small gear rotates counter-clockwise */
.svg-gear-sm {
    animation: gearSpinReverse 3.5s linear infinite;
    transform-box: fill-box;
    transform-origin: center;
}

@keyframes gearSpinReverse {
    to { transform: rotate(-360deg); }
}

/* Analyze: trend line draws itself */
.svg-trend-draw {
    stroke-dasharray: 200;
    animation: trendDraw 1.8s ease-in-out infinite;
}

@keyframes trendDraw {
    0% { stroke-dashoffset: 200; }
    50%, 100% { stroke-dashoffset: 0; }
}

/* Analyze: data points pulse in sequence */
.svg-point-pulse {
    opacity: 0.8;
    animation: pointPulse 1.4s ease-in-out infinite;
    transform-box: fill-box;
    transform-origin: center;
}

@keyframes pointPulse {
    0%, 100% { transform: scale(0.8); opacity: 0.3; }
    50% { transform: scale(2); opacity: 1; }
}

/* Innovate: inner bulb glow breathes */
.svg-bulb-glow {
    animation: bulbGlow 1.6s ease-in-out infinite;
}

@keyframes bulbGlow {
    0%, 100% { opacity: 0.15; fill-opacity: 0.02; }
    50% { opacity: 1; fill-opacity: 0.2; }
}

/* Innovate: circuit endpoint nodes twinkle */
.svg-circuit-pulse {
    animation: circuitPulse 1.4s ease-in-out infinite;
    transform-box: fill-box;
    transform-origin: center;
}

@keyframes circuitPulse {
    0%, 100% { opacity: 0.1; transform: scale(0.7); }
    50% { opacity: 1; transform: scale(1.8); }
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .svg-code-line,
    .svg-data-flow,
    .svg-node-pulse,
    .svg-hub-pulse,
    .svg-gear-lg,
    .svg-gear-sm,
    .svg-trend-draw,
    .svg-point-pulse,
    .svg-bulb-glow,
    .svg-circuit-pulse {
        animation: none;
    }
}


/* --------------------------------------------------------------------------
   4. RESPONSIVE
   -------------------------------------------------------------------------- */

@media (max-width: 48em) {
    .service-layout {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    /* Reset direction flip on mobile — always content first */
    .service-section:nth-of-type(even) .service-layout {
        direction: ltr;
    }

    .service-visual {
        order: -1;
    }

    .service-graphic {
        max-width: 12rem;
    }
}

@media (max-width: 40em) {
    .service-nav-list {
        justify-content: flex-start;
        padding-inline: var(--space-2);
    }

    .service-visual {
        display: none;
    }
}