/* =========================================================
   PAGE WIDTH — KEEP CONTENT INSIDE QCAASNET SHELL
   ========================================================= */

.site-shell {
    width: min(1560px, calc(100% - 48px));
    margin: 0 auto;
}
/* Keep the original research block inside the page width */
.paper-source {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    box-sizing: border-box;
}

/* =========================================================
   CONSUMABLE DATA VIA QUANTUM COMMUNICATION
   Article-specific diagrams layered on the shared paper system.
   ========================================================= */

.consumability-equation span {
    font-size: clamp(28px, 4vw, 46px);
}

/* =========================================================
   HERO VISUAL
   ========================================================= */

.data-hero-visual {
    position: relative;
    min-height: 390px;
    overflow: hidden;
    border: 1px solid #155b7b;
    border-radius: 12px;
    background:
        radial-gradient(circle at 70% 35%, rgba(25, 199, 183, .20), transparent 24%),
        radial-gradient(circle at 30% 75%, rgba(66, 133, 244, .16), transparent 32%),
        #061321;
}

.data-grid {
    position: absolute;
    inset: 0;
    opacity: .48;
    background-image:
        linear-gradient(rgba(94, 150, 191, .16) 1px, transparent 1px),
        linear-gradient(90deg, rgba(94, 150, 191, .16) 1px, transparent 1px);
    background-size: 44px 44px;
}

.data-packet {
    position: absolute;
    top: 50%;
    left: 14%;
    z-index: 1;
    width: 142px;
    height: 142px;
    transform: translateY(-50%) rotate(-7deg);
    border: 1px solid rgba(144, 213, 239, .72);
    border-radius: 10px;
    background: linear-gradient(145deg, rgba(127, 202, 232, .20), rgba(4, 26, 43, .92));
    box-shadow: 0 0 34px rgba(25, 199, 183, .14);
}

.data-packet span,
.data-packet strong {
    position: absolute;
    left: 18px;
}

.data-packet span {
    top: 20px;
    color: #9bb8cd;
    font-family: monospace;
    font-size: 9px;
    letter-spacing: .14em;
}

.data-packet strong {
    top: 54px;
    color: #e8f5fb;
    font-family: Georgia, serif;
    font-size: 38px;
    font-weight: 400;
}

.data-packet i {
    position: absolute;
    bottom: 18px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #10c8c8;
    box-shadow: 0 0 12px rgba(16, 200, 200, .9);
}

.data-packet i:nth-of-type(1) { left: 20px; }
.data-packet i:nth-of-type(2) { left: 46px; opacity: .65; }
.data-packet i:nth-of-type(3) { left: 72px; opacity: .3; }

.measurement-gate {
    position: absolute;
    top: 50%;
    right: 12%;
    z-index: 1;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
    min-width: 210px;
    padding: 24px 20px;
    transform: translateY(-50%);
    border: 1px solid rgba(25, 199, 183, .55);
    border-radius: 10px;
    background: rgba(3, 18, 30, .88);
}

.measurement-gate span,
.measurement-gate em {
    color: #a8c0d2;
    font-family: monospace;
    font-size: 9px;
    font-style: normal;
    letter-spacing: .12em;
}

.measurement-gate b {
    color: #10c8c8;
    font-size: 25px;
    font-weight: 400;
    text-align: center;
}

.data-caption {
    position: absolute;
    bottom: 22px;
    left: 50%;
    z-index: 1;
    transform: translateX(-50%);
    color: #6f8ba0;
    font-family: monospace;
    font-size: 9px;
    letter-spacing: .16em;
    white-space: nowrap;
}

/* =========================================================
   CONSUMABILITY SCALE
   ========================================================= */

.consumability-scale,
.economics-flow {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
    gap: 12px;
    margin: 42px 0;
}

.consumability-scale > div:not(.scale-arrow),
.economics-flow > div {
    min-height: 124px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: #07111e;
}

.consumability-scale span,
.economics-flow span {
    display: block;
    margin-bottom: 16px;
    color: #718ba1;
    font-family: monospace;
    font-size: 9px;
    letter-spacing: .12em;
}

.consumability-scale strong {
    display: block;
    color: #10c8c8;
    font-family: Georgia, serif;
    font-size: 30px;
    font-weight: 400;
}

.consumability-scale small,
.economics-flow small {
    display: block;
    margin-top: 10px;
    color: #71859c;
    font-size: 12px;
    line-height: 1.45;
}

.scale-arrow,
.economics-flow > i {
    color: #1b6081;
    font-size: 22px;
    font-style: normal;
}

.research-note {
    margin: 0;
    padding: 22px 24px;
    border-left: 2px solid #10c8c8;
    background: rgba(6, 23, 38, .58);
    color: #9eb1c6;
    line-height: 1.65;
}

.research-note strong {
    display: block;
    margin-bottom: 8px;
    color: #10c8c8;
    font-family: monospace;
    font-size: 10px;
    letter-spacing: .1em;
    text-transform: uppercase;
}

/* =========================================================
   COMPARISON AND ECONOMICS FLOW
   ========================================================= */

.comparison-box {
    margin-top: 40px;
    border: 1px solid var(--line);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1.25fr .9fr 1.25fr;
    border-top: 1px solid var(--line);
}

.comparison-row:first-child {
    border-top: 0;
}

.comparison-row > * {
    padding: 17px 20px;
    color: #a7b8c9;
    font-size: 13px;
    line-height: 1.45;
}

.comparison-row strong {
    color: #dfeaf2;
}

.header-row > * {
    color: #70869d;
    font-family: monospace;
    font-size: 9px;
    letter-spacing: .1em;
}

.accent-value {
    color: #10c8c8 !important;
}

.economics-flow > div.active {
    border-color: #155b7b;
    background: rgba(6, 29, 43, .78);
}

.economics-flow strong {
    display: block;
    color: #e6f0f7;
    font-size: 17px;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 900px) {
    .data-hero-visual {
        min-height: 310px;
    }

    .data-packet {
        left: 10%;
    }

    .measurement-gate {
        right: 8%;
    }

    .consumability-scale,
    .economics-flow {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .scale-arrow,
    .economics-flow > i {
        padding: 2px 0;
        text-align: center;
        transform: rotate(90deg);
    }
}

@media (max-width: 600px) {
    .data-hero-visual {
        min-height: 260px;
    }

    .data-packet {
        left: 8%;
        width: 118px;
        height: 118px;
    }

    .data-packet strong {
        top: 49px;
        font-size: 31px;
    }

    .measurement-gate {
        right: 6%;
        min-width: 145px;
        padding: 17px 12px;
    }

    .measurement-gate span,
    .measurement-gate em {
        font-size: 8px;
    }

    .comparison-row {
        grid-template-columns: 1fr;
    }

    .comparison-row > * {
        padding: 13px 15px;
    }
}