/* ─── Benefits — Power Circuit (Light) ─── */
.benefits-section {
    padding: 40px 0 80px;
    background: #f0f4f8;
    position: relative;
    overflow: hidden;
    min-height: auto;
}
.benefits-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 800px 400px at 50% 50%, rgba(6,79,189,0.06), transparent),
        repeating-linear-gradient(0deg, transparent, transparent 59px, rgba(6,79,189,0.03) 59px, rgba(6,79,189,0.03) 60px),
        repeating-linear-gradient(90deg, transparent, transparent 59px, rgba(6,79,189,0.03) 59px, rgba(6,79,189,0.03) 60px);
    pointer-events: none;
}
.benefits-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, transparent 30%, rgba(240,244,248,0.4) 100%);
    pointer-events: none;
}

/* ─── HEADER ─── */
.circuit-head {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    z-index: 3;
}
.circuit-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(6,79,189,0.08);
    border: 1px solid rgba(6,79,189,0.15);
    color: #064fbd;
    font-size: 10px;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 999px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.circuit-chip .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #064fbd;
    animation: chipBlink 2s ease-in-out infinite;
}
@keyframes chipBlink {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; box-shadow: 0 0 8px #064fbd; }
}
.circuit-title {
    font-size: clamp(26px, 4vw, 38px);
    font-weight: 800;
    color: #1a2332;
    margin: 0 0 10px;
    letter-spacing: -0.02em;
}
.circuit-title span {
    background: linear-gradient(135deg, #f9d347, #f5a623);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.circuit-sub {
    font-size: 14px;
    color: #5a6a7a;
    max-width: 420px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ─── CIRCUIT CANVAS ─── */
.circuit-board {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    height: 580px;
    z-index: 1;
}

/* SVG traces */
.traces-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}
.trace-base {
    fill: none;
    stroke: rgba(6,79,189,0.12);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.trace-copper {
    fill: none;
    stroke: #8B5A2B;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0.7;
}
.trace-energy {
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 3 14;
    opacity: 0;
    filter: drop-shadow(0 0 4px rgba(6,79,189,0.8));
}
.circuit-board.is-live .trace-energy {
    animation: traceFlow 1.8s linear infinite;
    opacity: 1;
}
@keyframes traceFlow {
    0% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -34; }
}

/* ─── POWER CORE (center gear) ─── */
.power-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
}
.core-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(6,79,189,0.12);
    pointer-events: none;
}
.core-ring-1 { width: 120px; height: 120px; animation: ringPulse 4s ease-in-out infinite; }
.core-ring-2 { width: 160px; height: 160px; animation: ringPulse 4s ease-in-out infinite 0.5s; }
.core-ring-3 { width: 200px; height: 200px; animation: ringPulse 4s ease-in-out infinite 1s; }
@keyframes ringPulse {
    0%, 100% { opacity: 0.2; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.05); }
}

.core-gear {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #064fbd 0%, #003a8c 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: gearSpin 12s linear infinite;
    box-shadow:
        0 0 0 4px rgba(6,79,189,0.12),
        0 0 30px rgba(6,79,189,0.15),
        0 0 60px rgba(6,79,189,0.08);
}
.circuit-board.is-live .core-gear {
    animation-duration: 6s;
    box-shadow:
        0 0 0 4px rgba(6,79,189,0.2),
        0 0 40px rgba(6,79,189,0.25),
        0 0 80px rgba(6,79,189,0.15);
}
.core-gear::before {
    content: '';
    position: absolute;
    inset: -12px;
    border-radius: 50%;
    border: 2px dashed rgba(249,211,71,0.4);
    animation: gearSpin 8s linear infinite reverse;
}
.core-gear::after {
    content: '';
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #f0f4f8;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.15);
}
.core-gear .material-symbols-outlined {
    position: absolute;
    color: #fff;
    font-size: 32px;
    z-index: 1;
}
@keyframes gearSpin { to { transform: rotate(360deg); } }

/* Core label */
.core-label {
    position: absolute;
    top: calc(50% + 56px);
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #7a8a9a;
    opacity: 0.7;
}

/* ─── CIRCUIT NODES (cards) ─── */
.node-card {
    position: absolute;
    width: 160px;
    z-index: 3;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    pointer-events: none;
}
.circuit-board.is-live .node-card {
    opacity: 1;
    pointer-events: auto;
}
.circuit-board.is-live .node-card:nth-child(1) { transition-delay: 0.1s; }
.circuit-board.is-live .node-card:nth-child(2) { transition-delay: 0.2s; }
.circuit-board.is-live .node-card:nth-child(3) { transition-delay: 0.3s; }
.circuit-board.is-live .node-card:nth-child(4) { transition-delay: 0.4s; }
.circuit-board.is-live .node-card:nth-child(5) { transition-delay: 0.5s; }
.circuit-board.is-live .node-card:nth-child(6) { transition-delay: 0.6s; }

.node-inner {
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(6,79,189,0.12);
    border-radius: 12px;
    padding: 18px 14px 14px;
    text-align: center;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.node-inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #064fbd, transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.circuit-board.is-live .node-inner::before {
    opacity: 1;
}
.node-card:hover .node-inner {
    border-color: rgba(6,79,189,0.25);
    box-shadow: 0 8px 24px rgba(6,79,189,0.1);
    transform: translateY(-2px);
}

/* Node connector dot */
.node-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #064fbd;
    box-shadow: 0 0 8px rgba(6,79,189,0.4);
    opacity: 0;
    transition: opacity 0.4s ease 0.3s;
}
.circuit-board.is-live .node-dot { opacity: 1; }

.node-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(6,79,189,0.12), rgba(6,79,189,0.03));
    border: 1px solid rgba(6,79,189,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    color: #064fbd;
    font-size: 18px;
}
.node-card:hover .node-icon {
    background: linear-gradient(135deg, rgba(6,79,189,0.2), rgba(6,79,189,0.08));
    border-color: rgba(6,79,189,0.3);
}

.node-card h3 {
    font-size: 12px;
    font-weight: 700;
    color: #1a2332;
    margin: 0 0 4px;
    letter-spacing: -0.01em;
}
.node-card p {
    font-size: 10px;
    color: #5a6a7a;
    line-height: 1.4;
    margin: 0;
}

/* Node positions — spread wide */
.node-card.n1 { top: 0; left: 50%; transform: translate(-50%, 0) scale(0.8); }
.node-card.n2 { top: 12%; right: 4%; transform: scale(0.8); }
.node-card.n3 { bottom: 12%; right: 4%; transform: scale(0.8); }
.node-card.n4 { bottom: 0; left: 50%; transform: translate(-50%, 0) scale(0.8); }
.node-card.n5 { bottom: 12%; left: 4%; transform: scale(0.8); }
.node-card.n6 { top: 12%; left: 4%; transform: scale(0.8); }

.circuit-board.is-live .n1 { transform: translate(-50%, 0) scale(1); }
.circuit-board.is-live .n2 { transform: scale(1); }
.circuit-board.is-live .n3 { transform: scale(1); }
.circuit-board.is-live .n4 { transform: translate(-50%, 0) scale(1); }
.circuit-board.is-live .n5 { transform: scale(1); }
.circuit-board.is-live .n6 { transform: scale(1); }

/* Node connector positions */
.n1 .node-dot { bottom: -4px; left: 50%; transform: translateX(-50%); }
.n2 .node-dot { left: -4px; top: 50%; transform: translateY(-50%); }
.n3 .node-dot { left: -4px; top: 50%; transform: translateY(-50%); }
.n4 .node-dot { top: -4px; left: 50%; transform: translateX(-50%); }
.n5 .node-dot { right: -4px; top: 50%; transform: translateY(-50%); }
.n6 .node-dot { right: -4px; top: 50%; transform: translateY(-50%); }

/* ─── STATUS BAR ─── */
.status-bar {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 16px;
    background: rgba(255,255,255,0.8);
    border: 1px solid rgba(6,79,189,0.1);
    border-radius: 999px;
    z-index: 4;
}
.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #9ca3af;
    transition: all 0.4s ease;
}
.circuit-board.is-live .status-dot {
    background: #22c55e;
    box-shadow: 0 0 8px rgba(34,197,94,0.4);
    animation: statusPulse 2s ease-in-out infinite;
}
@keyframes statusPulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}
.status-text {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #7a8a9a;
    transition: color 0.4s ease;
}
.circuit-board.is-live .status-text { color: #064fbd; }

/* ─── ELECTRIC STRIKE ANIMATION ─── */
.elec-dot {
    opacity: 0;
    filter: drop-shadow(0 0 8px #f9d347) drop-shadow(0 0 16px rgba(249,211,71,0.6));
}
.elec-dot.strike {
    animation: elecPulse 0.6s ease-out forwards;
}
@keyframes elecPulse {
    0% { opacity: 1; r: 5; }
    50% { opacity: 1; r: 8; }
    100% { opacity: 0; r: 4; }
}

/* Card strike flash */
.node-card .node-inner {
    transition: all 0.35s ease;
}
.node-card.elec-hit .node-inner {
    animation: cardFlash 1s ease-out;
    border-color: rgba(249,211,71,0.6);
    box-shadow: 0 0 25px rgba(249,211,71,0.3), 0 0 50px rgba(249,211,71,0.2);
}
@keyframes cardFlash {
    0% { box-shadow: 0 0 0 rgba(249,211,71,0); border-color: rgba(6,79,189,0.12); }
    25% { box-shadow: 0 0 40px rgba(249,211,71,0.4), 0 0 80px rgba(249,211,71,0.2); border-color: rgba(249,211,71,0.7); }
    50% { box-shadow: 0 0 30px rgba(249,211,71,0.25), 0 0 60px rgba(249,211,71,0.15); }
    100% { box-shadow: 0 2px 8px rgba(0,0,0,0.04); border-color: rgba(6,79,189,0.12); }
}

/* Electric trail along trace */
.trace-strike {
    fill: none;
    stroke: #f9d347;
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0;
    filter: drop-shadow(0 0 6px #f9d347) drop-shadow(0 0 12px rgba(249,211,71,0.5));
}
.trace-strike.active {
    animation: traceStrike 2.5s ease-in-out forwards;
}
@keyframes traceStrike {
    0% { opacity: 0; stroke-dashoffset: 800; stroke-dasharray: 0 800; }
    10% { opacity: 0.9; }
    80% { opacity: 0.6; }
    100% { opacity: 0; stroke-dashoffset: 0; stroke-dasharray: 800 0; }
}

/* ─── LIGHTNING STRIKE ─── */
.trace-lightning {
    fill: none;
    stroke: #f9d347;
    stroke-width: 5;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0;
    filter: drop-shadow(0 0 8px #f9d347) drop-shadow(0 0 20px rgba(249,211,71,0.8));
}
.trace-lightning.striking {
    animation: lightningStrike 0.6s ease-out;
}
@keyframes lightningStrike {
    0% { opacity: 0; stroke-width: 5; }
    5% { opacity: 1; stroke-width: 8; }
    10% { opacity: 0.3; stroke-width: 4; }
    15% { opacity: 1; stroke-width: 7; }
    20% { opacity: 0.5; stroke-width: 5; }
    30% { opacity: 1; stroke-width: 6; }
    50% { opacity: 0.8; stroke-width: 5; }
    100% { opacity: 0; stroke-width: 5; }
}

/* Lightning glow effect on core */
.core-gear.lightning-flash {
    animation: coreFlash 0.4s ease-out;
}
@keyframes coreFlash {
    0% { box-shadow: 0 0 0 4px rgba(6,79,189,0.12), 0 0 30px rgba(6,79,189,0.15); }
    30% { box-shadow: 0 0 0 8px rgba(249,211,71,0.4), 0 0 60px rgba(249,211,71,0.5), 0 0 100px rgba(249,211,71,0.3); }
    100% { box-shadow: 0 0 0 4px rgba(6,79,189,0.12), 0 0 30px rgba(6,79,189,0.15); }
}

/* Card hit flash */
.node-card.lightning-hit .node-inner {
    animation: cardLightning 0.5s ease-out;
    border-color: rgba(249,211,71,0.7);
}
@keyframes cardLightning {
    0% { box-shadow: 0 0 0 rgba(249,211,71,0); }
    15% { box-shadow: 0 0 40px rgba(249,211,71,0.6), 0 0 80px rgba(249,211,71,0.3); }
    30% { box-shadow: 0 0 20px rgba(249,211,71,0.3); }
    50% { box-shadow: 0 0 30px rgba(249,211,71,0.4), 0 0 60px rgba(249,211,71,0.2); }
    100% { box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
}

/* ─── Benefits Tablet Responsive ─── */
@media (max-width: 1024px) {
    .circuit-board {
        height: 500px;
    }

    .node-card {
        width: 140px;
    }

    .node-card h3 {
        font-size: 11px;
    }

    .node-card p {
        font-size: 9px;
    }

    .core-gear {
        width: 70px;
        height: 70px;
    }

    .core-gear .material-symbols-outlined {
        font-size: 28px;
    }
}

/* ─── Benefits Mobile Responsive ─── */
@media (max-width: 768px) {
    .circuit-board {
        height: 600px;
        overflow: visible;
    }

    .node-card {
        width: 130px;
        position: relative;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
        transform: none !important;
        margin: 8px;
    }

    .circuit-board.is-live .node-card {
        transform: none !important;
    }

    .node-inner {
        padding: 14px 12px 12px;
    }

    .node-icon {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    .node-card h3 {
        font-size: 11px;
    }

    .node-card p {
        font-size: 9px;
    }

    .power-core {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        margin: 0 auto 20px;
    }

    .core-ring-1 { width: 100px; height: 100px; }
    .core-ring-2 { width: 130px; height: 130px; }
    .core-ring-3 { width: 160px; height: 160px; }

    .core-gear {
        width: 60px;
        height: 60px;
    }

    .core-gear .material-symbols-outlined {
        font-size: 24px;
    }

    .core-label {
        top: calc(50% + 46px);
        font-size: 8px;
    }

    .status-bar {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        margin: 20px auto 0;
    }
}