/* ============================================================
   simulai.net // mission control
   Corporate HUD-overlay · duotone teal/amber
   ============================================================ */

:root {
    --bg-deep: #0A0E14;
    --panel-surface: rgba(14, 20, 32, 0.80);
    --panel-surface-solid: #0E1420;
    --teal: #4AEDC4;
    --teal-muted: #2A8A70;
    --teal-dim: #6A9A8A;
    --text-primary: #D0F0E8;
    --amber: #E4A840;
    --ghost-teal: rgba(74, 237, 196, 0.03);
    --panel-border: rgba(74, 237, 196, 0.15);
    --edge-line: rgba(74, 237, 196, 0.40);

    --font-display: "Exo 2", "Inter", system-ui, sans-serif;
    --font-body: "Barlow", "Inter", system-ui, sans-serif;
    --font-mono: "Overpass Mono", "Space Mono", monospace;

    --hud-margin: 24px;
    --nav-width: 56px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    background: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.75;
    min-height: 100%;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    position: relative;
    background:
        radial-gradient(ellipse at 20% 10%, rgba(74, 237, 196, 0.045), transparent 55%),
        radial-gradient(ellipse at 85% 90%, rgba(228, 168, 64, 0.035), transparent 55%),
        linear-gradient(180deg, #060A10 0%, #0A0E14 100%);
    background-attachment: fixed;
}

/* ------------------------------------------------------------
   Grid underlay — coordinate reference pattern
   ------------------------------------------------------------ */
.grid-underlay {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        repeating-linear-gradient(0deg,
            rgba(74, 237, 196, 0.035) 0,
            rgba(74, 237, 196, 0.035) 1px,
            transparent 1px,
            transparent 60px),
        repeating-linear-gradient(90deg,
            rgba(74, 237, 196, 0.035) 0,
            rgba(74, 237, 196, 0.035) 1px,
            transparent 1px,
            transparent 60px);
    mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.95) 30%, rgba(0,0,0,0.55) 100%);
}

/* ------------------------------------------------------------
   Ambient background layer
   ------------------------------------------------------------ */
.ambient-layer {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.ambient-blob {
    position: absolute;
    width: 60vmax;
    height: 60vmax;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    mix-blend-mode: screen;
}

.blob-a {
    background: radial-gradient(circle, rgba(74, 237, 196, 0.28), transparent 65%);
    top: -20vmax;
    left: -20vmax;
    animation: blob-drift-a 24s ease-in-out infinite alternate;
}

.blob-b {
    background: radial-gradient(circle, rgba(42, 138, 112, 0.25), transparent 65%);
    bottom: -20vmax;
    right: -20vmax;
    animation: blob-drift-b 32s ease-in-out infinite alternate;
}

@keyframes blob-drift-a {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10vmax, 8vmax) scale(1.08); }
}

@keyframes blob-drift-b {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-8vmax, -12vmax) scale(1.05); }
}

.scan-horizontal {
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(74, 237, 196, 0.45) 50%, transparent 100%);
    box-shadow: 0 0 18px rgba(74, 237, 196, 0.35);
    animation: scan-travel 9s linear infinite;
    opacity: 0.7;
}

@keyframes scan-travel {
    0%   { top: -2%; opacity: 0; }
    10%  { opacity: 0.8; }
    90%  { opacity: 0.8; }
    100% { top: 102%; opacity: 0; }
}

/* ------------------------------------------------------------
   HUD Frame — persistent, fixed, never scrolls
   ------------------------------------------------------------ */
.hud-frame {
    position: fixed;
    inset: 0;
    z-index: 40;
    pointer-events: none;
}

.hud-edge {
    position: absolute;
    background: var(--edge-line);
    box-shadow: 0 0 6px rgba(74, 237, 196, 0.25);
}

.hud-edge-top,
.hud-edge-bottom {
    left: var(--hud-margin);
    right: var(--hud-margin);
    height: 1px;
}
.hud-edge-top    { top: var(--hud-margin); }
.hud-edge-bottom { bottom: var(--hud-margin); }

.hud-edge-left,
.hud-edge-right {
    top: var(--hud-margin);
    bottom: var(--hud-margin);
    width: 1px;
}
.hud-edge-left  { left: var(--hud-margin); }
.hud-edge-right { right: var(--hud-margin); }

.hud-corner {
    position: absolute;
    width: 32px;
    height: 32px;
    filter: drop-shadow(0 0 4px rgba(74, 237, 196, 0.45));
}

.hud-corner-tl { top: var(--hud-margin); left: var(--hud-margin); }
.hud-corner-tr { top: var(--hud-margin); right: var(--hud-margin); }
.hud-corner-bl { bottom: var(--hud-margin); left: var(--hud-margin); }
.hud-corner-br { bottom: var(--hud-margin); right: var(--hud-margin); }

/* --- HUD readout clusters --- */
.hud-readout {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--teal);
    text-transform: uppercase;
    line-height: 1.5;
    padding: 10px 14px;
    background: rgba(10, 14, 20, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(74, 237, 196, 0.18);
}

.hud-readout-tl {
    top: calc(var(--hud-margin) + 16px);
    left: calc(var(--hud-margin) + 52px);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
}

.hud-readout-tr {
    top: calc(var(--hud-margin) + 16px);
    right: calc(var(--hud-margin) + 52px);
    min-width: 200px;
}

.hud-readout-bl {
    bottom: calc(var(--hud-margin) + 16px);
    left: calc(var(--hud-margin) + 52px);
    min-width: 220px;
}

.hud-readout-br {
    bottom: calc(var(--hud-margin) + 16px);
    right: calc(var(--hud-margin) + 52px);
    min-width: 210px;
}

.readout-line {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 8px;
    align-items: center;
}

.readout-label {
    color: var(--teal-dim);
    font-size: 10px;
}

.readout-value {
    color: var(--teal);
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* Status cluster */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 10px var(--amber), 0 0 2px var(--amber);
    animation: pulse-dot 1.6s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50%      { transform: scale(1.35); opacity: 0.6; }
}

.status-text {
    color: var(--teal);
    font-size: 11px;
    letter-spacing: 0.22em;
}

.status-sub {
    color: var(--teal-dim);
    font-size: 10px;
    letter-spacing: 0.18em;
    margin-left: 6px;
    padding-left: 10px;
    border-left: 1px solid rgba(74, 237, 196, 0.25);
}

/* Signal strength bars */
.readout-signal { grid-template-columns: 110px 1fr; align-items: center; }

.signal-bars {
    display: inline-flex;
    gap: 3px;
    justify-content: flex-end;
    align-items: flex-end;
    height: 14px;
}

.signal-bars .bar {
    width: 4px;
    background: rgba(74, 237, 196, 0.18);
    transition: background 240ms ease, height 240ms ease;
}

.signal-bars .bar:nth-child(1) { height: 4px; }
.signal-bars .bar:nth-child(2) { height: 6px; }
.signal-bars .bar:nth-child(3) { height: 9px; }
.signal-bars .bar:nth-child(4) { height: 11px; }
.signal-bars .bar:nth-child(5) { height: 14px; }

.signal-bars .bar.on {
    background: var(--teal);
    box-shadow: 0 0 4px rgba(74, 237, 196, 0.6);
}

/* ------------------------------------------------------------
   Progress nav — right edge vertical dots
   ------------------------------------------------------------ */
.progress-nav {
    position: fixed;
    right: calc(var(--hud-margin) + 14px);
    top: 50%;
    transform: translateY(-50%);
    z-index: 45;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    padding: 20px 0;
}

.progress-line {
    position: absolute;
    top: 10px;
    bottom: 10px;
    width: 1px;
    background: linear-gradient(180deg,
        rgba(74, 237, 196, 0.05),
        rgba(74, 237, 196, 0.35),
        rgba(74, 237, 196, 0.05));
    left: 50%;
    transform: translateX(-50%);
}

.progress-dot {
    position: relative;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--bg-deep);
    border: 1px solid rgba(74, 237, 196, 0.45);
    transition: background 260ms ease, box-shadow 260ms ease, border-color 260ms ease, transform 260ms ease;
    pointer-events: auto;
    text-decoration: none;
}

.progress-dot::after {
    content: attr(data-label);
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.2em;
    color: var(--teal-dim);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 240ms ease;
    text-transform: uppercase;
}

.progress-dot:hover::after { opacity: 1; }

.progress-dot.active {
    background: var(--teal);
    border-color: var(--teal);
    box-shadow: 0 0 0 4px rgba(74, 237, 196, 0.12), 0 0 14px rgba(74, 237, 196, 0.7);
    transform: scale(1.2);
}

.progress-dot.active::after {
    opacity: 1;
    color: var(--teal);
}

/* ------------------------------------------------------------
   Main content stream — scrolls behind HUD
   ------------------------------------------------------------ */
.content-stream {
    position: relative;
    z-index: 5;
    padding: calc(var(--hud-margin) + 80px) calc(var(--hud-margin) + 90px) calc(var(--hud-margin) + 80px) calc(var(--hud-margin) + 80px);
    max-width: 1400px;
    margin: 0 auto;
}

.panel-section {
    position: relative;
    min-height: 100vh;
    padding: 40px 0 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.panel-scaffold {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--teal-dim);
    padding-bottom: 14px;
    margin-bottom: 18px;
    border-bottom: 1px solid rgba(74, 237, 196, 0.12);
}

.panel-tag { color: var(--teal); }
.panel-index { color: var(--teal-dim); }

/* ------------------------------------------------------------
   Data Cards — glassmorphic panels
   ------------------------------------------------------------ */
.data-card {
    position: relative;
    background: var(--panel-surface);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--panel-border);
    padding: 0;
    overflow: hidden;
    box-shadow:
        inset 0 0 0 1px rgba(74, 237, 196, 0.04),
        0 30px 60px -30px rgba(0, 0, 0, 0.75);
}

.data-card::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, transparent 0, rgba(74, 237, 196, 0.035) 50%, transparent 100%) 0 0 / 100% 1px no-repeat,
        linear-gradient(90deg, transparent 0, rgba(74, 237, 196, 0.02) 50%, transparent 100%) 0 100% / 100% 1px no-repeat;
}

/* Top-edge highlight (glass light refraction) */
.card-highlight-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(74, 237, 196, 0.05) 15%,
        rgba(74, 237, 196, 0.35) 50%,
        rgba(74, 237, 196, 0.05) 85%,
        transparent 100%);
}

/* Animated horizontal scan line traveling top→bottom */
.data-card::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -2px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(74, 237, 196, 0.5), transparent);
    box-shadow: 0 0 12px rgba(74, 237, 196, 0.45);
    opacity: 0;
    pointer-events: none;
    animation: card-scan 5.6s linear infinite;
}

@keyframes card-scan {
    0%   { top: -2%; opacity: 0; }
    15%  { opacity: 0.9; }
    85%  { opacity: 0.9; }
    100% { top: 102%; opacity: 0; }
}

.card-inner {
    padding: 48px 52px;
    position: relative;
    z-index: 1;
}

.grid-split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 56px;
    align-items: center;
}

.data-card-split.reverse .grid-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
}

/* ------------------------------------------------------------
   Typography within cards
   ------------------------------------------------------------ */
.card-eyebrow {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--teal);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
}

.blink-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--teal);
    box-shadow: 0 0 8px rgba(74, 237, 196, 0.7);
    animation: blink-pulse 1.5s ease-in-out infinite;
}

@keyframes blink-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.4; transform: scale(1.3); }
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2rem, 5vw, 3.8rem);
    line-height: 1.05;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 28px;
}

.hero-title em {
    font-style: normal;
    color: var(--amber);
    position: relative;
}

.hero-title em::before,
.hero-title em::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 10px;
    border-color: var(--amber);
    border-style: solid;
}

.hero-title em::before {
    left: -14px;
    border-width: 1px 0 1px 1px;
}

.hero-title em::after {
    right: -14px;
    border-width: 1px 1px 1px 0;
}

.hero-sub {
    font-size: 17px;
    color: var(--text-primary);
    max-width: 64ch;
    line-height: 1.7;
    margin-bottom: 44px;
    opacity: 0.82;
}

.data-card h2 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.5rem, 3vw, 2.3rem);
    line-height: 1.15;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.data-card p {
    color: var(--text-primary);
    opacity: 0.78;
    max-width: 58ch;
    margin-bottom: 24px;
}

.card-lead {
    font-size: 17px;
    line-height: 1.7;
    max-width: 72ch;
    margin-bottom: 36px !important;
}

/* ------------------------------------------------------------
   Hero metrics row
   ------------------------------------------------------------ */
.hero-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px;
    padding-top: 28px;
    border-top: 1px solid rgba(74, 237, 196, 0.12);
}

.metric {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-left: 16px;
    border-left: 1px solid rgba(74, 237, 196, 0.22);
}

.metric-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--teal-dim);
    text-transform: uppercase;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 600;
    color: var(--teal);
    letter-spacing: 0.04em;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.metric-unit {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    color: var(--teal-dim);
    text-transform: uppercase;
}

.metric-amber .metric-value { color: var(--amber); }
.metric-amber { border-left-color: rgba(228, 168, 64, 0.45); }

/* ------------------------------------------------------------
   Meta lists (topology, radar, etc.)
   ------------------------------------------------------------ */
.meta-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 22px;
    margin-top: 18px;
    padding-top: 24px;
    border-top: 1px solid rgba(74, 237, 196, 0.12);
}

.meta-list li {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 6px 0;
    border-bottom: 1px dashed rgba(74, 237, 196, 0.08);
}

.meta-key { color: var(--teal-dim); }
.meta-val { color: var(--teal); font-variant-numeric: tabular-nums; }
.meta-val.big { font-size: 1.4rem; letter-spacing: 0.04em; }
.meta-val.amber { color: var(--amber); }

/* ------------------------------------------------------------
   Path-SVG visual containers
   ------------------------------------------------------------ */
.split-visual {
    position: relative;
    padding: 20px;
    background: rgba(10, 14, 20, 0.55);
    border: 1px solid rgba(74, 237, 196, 0.10);
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.split-visual::before,
.split-visual::after {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    border-color: var(--teal);
    border-style: solid;
    opacity: 0.55;
}

.split-visual::before {
    top: 6px;
    left: 6px;
    border-width: 1px 0 0 1px;
}

.split-visual::after {
    bottom: 6px;
    right: 6px;
    border-width: 0 1px 1px 0;
}

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

.dash-path {
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
}

.dash-path.area-path {
    stroke: none;
}

.dash-path.drawn {
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 2.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.node-pulse {
    opacity: 0;
    transform-origin: center;
    transform-box: fill-box;
}

.node-pulse.visible {
    opacity: 1;
    animation: node-pulse 2.4s ease-in-out infinite;
    transition: opacity 500ms ease;
}

@keyframes node-pulse {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 2px rgba(74, 237, 196, 0.6)); }
    50%      { transform: scale(1.4); filter: drop-shadow(0 0 6px rgba(74, 237, 196, 0.9)); }
}

.node-pulse.node-amber.visible {
    animation-name: node-pulse-amber;
}

@keyframes node-pulse-amber {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 3px rgba(228, 168, 64, 0.7)); }
    50%      { transform: scale(1.5); filter: drop-shadow(0 0 10px rgba(228, 168, 64, 1)); }
}

/* ------------------------------------------------------------
   Radar section
   ------------------------------------------------------------ */
.radar-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    max-width: 360px;
    margin: 0 auto;
}

.radar-svg {
    width: 100%;
    height: 100%;
    display: block;
    filter: drop-shadow(0 0 16px rgba(74, 237, 196, 0.25));
}

.radar-sweep-group {
    transform-origin: 150px 150px;
    animation: radar-spin 3s linear infinite;
}

@keyframes radar-spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.radar-target {
    opacity: 0.4;
    transition: opacity 200ms ease, filter 200ms ease;
    transform-origin: center;
    transform-box: fill-box;
}

.radar-target.flash {
    opacity: 1;
    filter: drop-shadow(0 0 8px rgba(74, 237, 196, 1));
    animation: target-flash 1400ms ease-out;
}

@keyframes target-flash {
    0%   { opacity: 1; transform: scale(1.6); filter: drop-shadow(0 0 14px rgba(74, 237, 196, 1)); }
    100% { opacity: 0.4; transform: scale(1); filter: drop-shadow(0 0 0 rgba(74, 237, 196, 0)); }
}

.radar-labels {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.radar-label { color: var(--teal); }
.radar-label.dim { color: var(--teal-dim); }
.radar-label.dim span { color: var(--teal); }

/* ------------------------------------------------------------
   Flows section
   ------------------------------------------------------------ */
.flow-visual {
    margin: 32px 0 28px;
    padding: 24px;
    background: rgba(10, 14, 20, 0.5);
    border: 1px solid rgba(74, 237, 196, 0.10);
    position: relative;
}

.flow-visual::before,
.flow-visual::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    border-color: var(--teal);
    border-style: solid;
}

.flow-visual::before {
    top: 4px; left: 4px;
    border-width: 1px 0 0 1px;
    opacity: 0.55;
}

.flow-visual::after {
    bottom: 4px; right: 4px;
    border-width: 0 1px 1px 0;
    opacity: 0.55;
}

.flow-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    padding-top: 22px;
    border-top: 1px solid rgba(74, 237, 196, 0.12);
}

.flow-meta-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-left: 16px;
    border-left: 1px solid rgba(74, 237, 196, 0.22);
}

/* ------------------------------------------------------------
   Convergence section — telemetry grid
   ------------------------------------------------------------ */
.telemetry-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 28px;
}

.tg-cell {
    position: relative;
    padding: 14px 16px;
    background: rgba(10, 14, 20, 0.7);
    border: 1px solid rgba(74, 237, 196, 0.12);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tg-cell.active {
    border-color: rgba(228, 168, 64, 0.5);
    background: rgba(228, 168, 64, 0.06);
    box-shadow: inset 0 0 24px rgba(228, 168, 64, 0.05);
}

.tg-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    color: var(--teal-dim);
    text-transform: uppercase;
}

.tg-value {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--teal);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
}

.tg-cell.active .tg-value { color: var(--amber); }

.tg-marker {
    position: absolute;
    top: 10px;
    right: 12px;
    font-family: var(--font-mono);
    font-size: 8px;
    letter-spacing: 0.25em;
    color: var(--amber);
    text-transform: uppercase;
    padding: 2px 6px;
    border: 1px solid rgba(228, 168, 64, 0.5);
}

.tg-marker::before {
    content: "";
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--amber);
    margin-right: 4px;
    vertical-align: middle;
    animation: pulse-dot 1.2s ease-in-out infinite;
}

/* ------------------------------------------------------------
   Archive / ticker section
   ------------------------------------------------------------ */
.ticker {
    margin: 24px 0;
    padding: 20px 22px;
    background: rgba(10, 14, 20, 0.65);
    border: 1px solid rgba(74, 237, 196, 0.12);
    max-height: 320px;
    overflow: hidden;
    position: relative;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
}

.ticker::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 60px;
    background: linear-gradient(180deg, transparent, rgba(10, 14, 20, 0.95));
    pointer-events: none;
}

.ticker-line {
    display: grid;
    grid-template-columns: 80px 70px 1fr;
    gap: 14px;
    padding: 8px 0;
    border-bottom: 1px dashed rgba(74, 237, 196, 0.08);
    color: var(--text-primary);
    opacity: 0;
    animation: ticker-enter 600ms ease-out forwards;
}

@keyframes ticker-enter {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 0.85; transform: translateY(0); }
}

.t-time { color: var(--teal-dim); }
.t-tag {
    text-align: center;
    padding: 2px 6px;
    font-size: 10px;
    letter-spacing: 0.18em;
    align-self: center;
}

.t-tag.ok {
    color: var(--teal);
    border: 1px solid rgba(74, 237, 196, 0.3);
}

.t-tag.warn {
    color: var(--amber);
    border: 1px solid rgba(228, 168, 64, 0.45);
}

.t-msg { color: var(--text-primary); opacity: 0.85; }

.archive-footer {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    padding-top: 22px;
    border-top: 1px solid rgba(74, 237, 196, 0.12);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.archive-kv {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-left: 14px;
    border-left: 1px solid rgba(74, 237, 196, 0.22);
}

/* ------------------------------------------------------------
   Reveal-on-scroll base state
   ------------------------------------------------------------ */
.data-card {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 900ms ease, transform 900ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.panel-section.visible .data-card {
    opacity: 1;
    transform: translateY(0);
}

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 1100px) {
    .content-stream { padding: calc(var(--hud-margin) + 70px) calc(var(--hud-margin) + 60px); }
    .grid-split { grid-template-columns: 1fr; gap: 36px; }
    .data-card-split.reverse .grid-split { grid-template-columns: 1fr; }
    .hero-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .telemetry-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .flow-meta { grid-template-columns: 1fr; }
    .archive-footer { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
    :root { --hud-margin: 14px; }
    .content-stream {
        padding: calc(var(--hud-margin) + 150px) calc(var(--hud-margin) + 16px) calc(var(--hud-margin) + 150px);
    }
    .card-inner { padding: 32px 24px; }
    .hud-readout {
        font-size: 9px;
        padding: 6px 10px;
    }
    .hud-readout-tl {
        left: calc(var(--hud-margin) + 40px);
        top: calc(var(--hud-margin) + 10px);
        padding: 6px 10px;
    }
    .status-sub { display: none; }
    .hud-readout-tr {
        top: calc(var(--hud-margin) + 56px);
        right: calc(var(--hud-margin) + 10px);
        min-width: 160px;
    }
    .hud-readout-bl,
    .hud-readout-br {
        min-width: 150px;
        left: calc(var(--hud-margin) + 10px);
        right: auto;
    }
    .hud-readout-br {
        bottom: calc(var(--hud-margin) + 130px);
    }
    .hud-readout-bl {
        bottom: calc(var(--hud-margin) + 10px);
    }
    .readout-line { grid-template-columns: 80px 1fr; }
    .progress-nav { display: none; }
    .hero-metrics { grid-template-columns: 1fr 1fr; gap: 18px; }
    .telemetry-grid { grid-template-columns: 1fr 1fr; }
    .archive-footer { grid-template-columns: 1fr; }
    .ticker-line { grid-template-columns: 64px 54px 1fr; gap: 8px; font-size: 10px; }
}

/* ------------------------------------------------------------
   Hero origin node special pulse
   ------------------------------------------------------------ */
.node-origin.visible {
    animation: node-origin-pulse 2.4s ease-in-out infinite;
}

@keyframes node-origin-pulse {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 4px rgba(74, 237, 196, 0.8)); }
    50%      { transform: scale(1.3); filter: drop-shadow(0 0 14px rgba(74, 237, 196, 1)); }
}