/* ============================================================
   globaltonecheck.com v2 // Avant-garde HUD diagnostic overlay
   Palette
     Ocean Deep       #0A1A3A  primary dark background
     Diagnostic Cyan  #00D4FF  primary HUD accent
     Optimist Gold    #FFD23F  secondary bright accent
     Alert Pink       #FF3366  emphasis / warning
     Marble White     #E8E4DC  text + marble zones
     Grid Blue        #1A3A5A  mid-tone structural
     Scan Green       #39FF8A  positive / success indicator
   Fonts
     Syne        display / headlines
     Work Sans   body
     Space Mono  HUD data
   ============================================================ */

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

:root {
    --ocean-deep: #0A1A3A;
    --ocean-deeper: #060f24;
    --diagnostic-cyan: #00D4FF;
    --optimist-gold: #FFD23F;
    --alert-pink: #FF3366;
    --marble-white: #E8E4DC;
    --grid-blue: #1A3A5A;
    --scan-green: #39FF8A;

    --cyan-20: rgba(0, 212, 255, 0.20);
    --cyan-40: rgba(0, 212, 255, 0.40);
    --cyan-50: rgba(0, 212, 255, 0.50);
    --cyan-70: rgba(0, 212, 255, 0.70);
    --white-30: rgba(232, 228, 220, 0.30);
    --white-60: rgba(232, 228, 220, 0.60);
    --white-80: rgba(232, 228, 220, 0.80);

    --font-display: 'Syne', 'Work Sans', system-ui, sans-serif;
    --font-body: 'Work Sans', system-ui, sans-serif;
    --font-hud: 'Space Mono', 'Courier New', monospace;

    --size-display: clamp(44px, 9vw, 140px);
    --size-title: clamp(28px, 4vw, 52px);
    --size-body: clamp(15px, 1.15vw, 17px);
    --size-hud: 11px;

    --notch: 14px;
    --panel-border: rgba(0, 212, 255, 0.5);
    --panel-bg: rgba(10, 26, 58, 0.55);
}

html, body {
    background: var(--ocean-deep);
    color: var(--marble-white);
    font-family: var(--font-body);
    font-size: var(--size-body);
    line-height: 1.75;
    font-weight: 400;
    overflow-x: hidden;
    min-height: 100%;
}

body {
    position: relative;
    background:
        radial-gradient(ellipse at 15% 10%, rgba(0, 212, 255, 0.06), transparent 55%),
        radial-gradient(ellipse at 85% 80%, rgba(255, 210, 63, 0.05), transparent 55%),
        linear-gradient(180deg, var(--ocean-deep) 0%, var(--ocean-deeper) 100%);
}

/* Global grid + scan-line overlay --------------------------- */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(26, 58, 90, 0.25) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(26, 58, 90, 0.25) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
    z-index: 1;
    mix-blend-mode: screen;
    opacity: 0.5;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0,
        transparent 3px,
        rgba(0, 212, 255, 0.025) 3px,
        rgba(0, 212, 255, 0.025) 4px
    );
    pointer-events: none;
    z-index: 2;
}

/* ============================================================
   HUD overlay chrome (persistent)
   ============================================================ */
.hud-overlay-chrome {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 50;
}

.chrome-corner {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-hud);
    font-size: 10px;
    letter-spacing: 0.15em;
    color: var(--cyan-70);
    text-transform: uppercase;
}

.chrome-tl { top: 18px; left: 22px; }
.chrome-tr { top: 18px; right: 22px; flex-direction: row-reverse; }
.chrome-bl { bottom: 18px; left: 22px; }
.chrome-br { bottom: 18px; right: 22px; flex-direction: row-reverse; }

.chrome-mark {
    width: 10px;
    height: 10px;
    border: 1px solid var(--diagnostic-cyan);
    display: inline-block;
    position: relative;
}
.chrome-mark::before, .chrome-mark::after {
    content: '';
    position: absolute;
    background: var(--diagnostic-cyan);
}
.chrome-mark::before { inset: 3px 0; height: 1px; top: 50%; }
.chrome-mark::after  { inset: 0 3px; width: 1px; left: 50%; }

.chrome-label { white-space: nowrap; }

.scan-sweep {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan-70), transparent);
    opacity: 0.55;
    transform: translateY(0);
    animation: sweepDown 8s linear infinite;
    mix-blend-mode: screen;
}

@keyframes sweepDown {
    0%   { transform: translateY(0); opacity: 0; }
    5%   { opacity: 0.6; }
    95%  { opacity: 0.6; }
    100% { transform: translateY(100vh); opacity: 0; }
}

/* ============================================================
   Hero viewport
   ============================================================ */
.hero-viewport {
    position: relative;
    min-height: 100vh;
    padding: 120px 48px 96px;
    display: grid;
    place-items: center;
    overflow: hidden;
    isolation: isolate;
    z-index: 3;
}

/* Concentric rings */
.hud-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(92vmin, 900px);
    height: min(92vmin, 900px);
    transform: translate(-50%, -50%);
    z-index: 1;
    opacity: 0.85;
    animation: ringsFadeIn 1.4s ease-out both;
    animation-delay: 0.2s;
}

.hud-ring {
    fill: none;
    stroke: var(--cyan-50);
    stroke-width: 1;
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    animation: drawRing 1.6s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
    transform-origin: 450px 450px;
}
.ring-1 { animation-delay: 0.4s; stroke: var(--cyan-70); }
.ring-2 { animation-delay: 0.6s; }
.ring-3 { animation-delay: 0.8s; stroke: rgba(0, 212, 255, 0.35); }
.ring-4 { animation-delay: 1.0s; stroke: rgba(0, 212, 255, 0.22); }

.ring-group { animation: ringRotate 60s linear infinite; transform-origin: 450px 450px; }

@keyframes drawRing { to { stroke-dashoffset: 0; } }
@keyframes ringsFadeIn { from { opacity: 0; } to { opacity: 0.85; } }
@keyframes ringRotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.ring-ticks line {
    stroke: var(--cyan-40);
    stroke-width: 1;
}

.hud-cross {
    stroke: var(--diagnostic-cyan);
    stroke-width: 1;
    opacity: 0.8;
}

.ring-anchor {
    font-family: var(--font-hud);
    font-size: 11px;
    fill: var(--cyan-70);
    letter-spacing: 0.15em;
}

.diagnostic-blip {
    transform: translate(450px, 260px);
    animation: blipOrbit 14s linear infinite;
    transform-origin: 450px 450px;
}
.blip-dot { fill: var(--optimist-gold); }
.blip-halo { fill: none; stroke: var(--optimist-gold); stroke-width: 1; opacity: 0.45; animation: halopulse 2.2s ease-in-out infinite; }

@keyframes blipOrbit {
    from { transform: rotate(0deg) translate(285px) rotate(0deg); }
    to   { transform: rotate(360deg) translate(285px) rotate(-360deg); }
}
@keyframes halopulse { 0%, 100% { r: 10; opacity: 0.55; } 50% { r: 18; opacity: 0.12; } }

/* Binary data stream column */
.hero-datastream {
    position: absolute;
    top: 110px;
    right: 70px;
    width: 150px;
    height: min(55vh, 460px);
    font-family: var(--font-hud);
    font-size: 10px;
    color: var(--cyan-50);
    line-height: 1.6;
    overflow: hidden;
    white-space: pre;
    text-align: left;
    letter-spacing: 0.1em;
    z-index: 2;
    mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent);
}

/* Data readouts */
.hud-readout {
    position: absolute;
    font-family: var(--font-hud);
    font-size: var(--size-hud);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    z-index: 4;
    color: var(--cyan-70);
    display: flex;
    flex-direction: column;
    gap: 4px;
    opacity: 0;
    animation: readoutIn 0.6s ease-out forwards;
    animation-delay: 1.4s;
}

.hud-readout-tl { top: 110px; left: 60px; }
.hud-readout-tr { top: 110px; right: 60px; text-align: right; }
.hud-readout-ml { top: 50%; left: 60px; transform: translateY(-50%); }
.hud-readout-mr { top: 50%; right: 60px; text-align: right; transform: translateY(-50%); }
.hud-readout-bl { bottom: 140px; left: 60px; }
.hud-readout-br { bottom: 140px; right: 60px; text-align: right; }

.readout-key {
    color: var(--white-60);
    font-size: 10px;
}

.readout-val {
    color: var(--diagnostic-cyan);
    font-weight: 700;
    font-size: 12px;
}

@keyframes readoutIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.hud-readout-ml, .hud-readout-mr {
    animation-name: readoutIn;
}

/* Hero title */
.hero-title-wrap {
    position: relative;
    z-index: 5;
    text-align: center;
    max-width: 1100px;
    padding: 0 20px;
    will-change: transform;
}

.pre-title {
    display: inline-block;
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.28em;
    color: var(--optimist-gold);
    text-transform: uppercase;
    margin-bottom: 28px;
    padding: 6px 14px;
    border: 1px solid rgba(255, 210, 63, 0.45);
    background: rgba(255, 210, 63, 0.05);
    opacity: 0;
    animation: preTitleIn 0.6s ease-out forwards;
    animation-delay: 1.2s;
}
@keyframes preTitleIn { from { opacity: 0; letter-spacing: 0.4em; } to { opacity: 1; letter-spacing: 0.28em; } }

.hero-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: var(--size-display);
    line-height: 0.92;
    letter-spacing: -0.03em;
    color: var(--marble-white);
    text-transform: uppercase;
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.title-line {
    display: block;
    transform: translate(0, 0);
    transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
    background: linear-gradient(180deg, var(--marble-white) 0%, rgba(232, 228, 220, 0.7) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 40px rgba(0, 212, 255, 0.12);
    will-change: transform;
    opacity: 0;
    animation: titleLineIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.title-line:nth-child(1) { animation-delay: 1.5s; }
.title-line:nth-child(2) { animation-delay: 1.7s; color: transparent; background: linear-gradient(180deg, var(--diagnostic-cyan) 0%, rgba(0, 212, 255, 0.6) 100%); -webkit-background-clip: text; background-clip: text; }
.title-line:nth-child(3) { animation-delay: 1.9s; }

@keyframes titleLineIn {
    from { opacity: 0; transform: translateY(28px); letter-spacing: 0.05em; }
    to   { opacity: 1; transform: translateY(0); letter-spacing: -0.03em; }
}

.hero-subtitle {
    max-width: 620px;
    margin: 0 auto 22px;
    color: var(--white-80);
    font-size: clamp(15px, 1.25vw, 18px);
    line-height: 1.6;
    opacity: 0;
    animation: readoutIn 0.7s ease-out forwards;
    animation-delay: 2.1s;
}

.hero-caption {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--scan-green);
    text-transform: uppercase;
    opacity: 0;
    animation: readoutIn 0.7s ease-out forwards;
    animation-delay: 2.3s;
}
.caption-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--scan-green);
    box-shadow: 0 0 12px var(--scan-green);
    animation: dotPulse 1.6s ease-in-out infinite;
}
@keyframes dotPulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.45; transform: scale(0.8); } }

.scroll-prompt {
    position: absolute;
    bottom: 42px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-family: var(--font-hud);
    font-size: 10px;
    letter-spacing: 0.3em;
    color: var(--cyan-70);
    text-transform: uppercase;
    z-index: 4;
    opacity: 0;
    animation: readoutIn 0.7s ease-out forwards;
    animation-delay: 2.6s;
}

.prompt-arrow {
    width: 1px;
    height: 48px;
    background: linear-gradient(180deg, var(--diagnostic-cyan), transparent);
    position: relative;
    animation: promptBob 2.4s ease-in-out infinite;
}
.prompt-arrow::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    width: 8px; height: 8px;
    border-right: 1px solid var(--diagnostic-cyan);
    border-bottom: 1px solid var(--diagnostic-cyan);
    transform: translate(-50%, 50%) rotate(45deg);
}
@keyframes promptBob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* ============================================================
   Section header
   ============================================================ */
.section-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 48px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.section-index {
    font-family: var(--font-hud);
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--optimist-gold);
}
.section-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(22px, 2.6vw, 34px);
    letter-spacing: 0.01em;
    color: var(--marble-white);
    text-transform: uppercase;
}
.section-rule {
    flex: 1;
    min-width: 60px;
    height: 1px;
    background: linear-gradient(to right, var(--cyan-50), transparent);
}
.section-note {
    flex-basis: 100%;
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.15em;
    color: var(--white-60);
    text-transform: uppercase;
    padding-left: 0;
}

/* ============================================================
   Dimensional lattice section
   ============================================================ */
.dimensions-section {
    position: relative;
    padding: 140px 0 120px;
    z-index: 3;
}

.lattice-stage {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    padding: 0 48px;
}

.lattice-background {
    position: absolute;
    inset: -40px;
    background:
        radial-gradient(circle at 30% 20%, rgba(0, 212, 255, 0.08), transparent 60%),
        radial-gradient(circle at 70% 80%, rgba(255, 210, 63, 0.05), transparent 60%);
    pointer-events: none;
    z-index: -1;
}

/* HUD Panel with notched corners */
.hud-panel {
    position: relative;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    padding: 32px 36px;
    clip-path: polygon(
        14px 0, calc(100% - 14px) 0, 100% 14px,
        100% calc(100% - 14px), calc(100% - 14px) 100%,
        14px 100%, 0 calc(100% - 14px), 0 14px
    );
    overflow: hidden;
    transition: transform 0.4s ease, border-color 0.4s ease;
    min-height: 320px;
    opacity: 0;
    transform: translateY(30px);
}

.hud-panel.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.hud-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0,
        transparent 2px,
        rgba(0, 212, 255, 0.03) 2px,
        rgba(0, 212, 255, 0.03) 3px
    );
    pointer-events: none;
    z-index: 0;
}

.hud-panel:hover {
    border-color: var(--diagnostic-cyan);
    transform: translateY(-2px);
}

.panel-corner {
    position: absolute;
    font-family: var(--font-hud);
    font-size: 10px;
    letter-spacing: 0.15em;
    color: var(--cyan-70);
    text-transform: uppercase;
    z-index: 3;
}
.corner-tl { top: 12px; left: 18px; color: var(--optimist-gold); }
.corner-tr { top: 12px; right: 18px; }
.corner-bl { bottom: 12px; left: 18px; color: var(--scan-green); }
.corner-br { bottom: 12px; right: 18px; }

.panel-scan {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan-70), transparent);
    animation: panelScan 3s linear infinite;
    opacity: 0;
    z-index: 2;
}

.hud-panel.is-visible .panel-scan {
    opacity: 0.8;
    animation-delay: 0.8s;
}

@keyframes panelScan {
    0%   { transform: translateY(0); opacity: 0; }
    10%  { opacity: 0.8; }
    90%  { opacity: 0.8; }
    100% { transform: translateY(320px); opacity: 0; }
}

.panel-body {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 24px;
    align-items: center;
    padding-top: 18px;
    padding-bottom: 18px;
}

.crystal-shape {
    width: 150px;
    height: 150px;
    transition: transform 0.3s ease;
}

.crystal-poly {
    fill: none;
    stroke: var(--diagnostic-cyan);
    stroke-width: 1.25;
    opacity: 0.85;
    transform-origin: center;
}

.crystal-core { fill: var(--optimist-gold); }

.hud-panel[data-dimension="warmth"]   .crystal-poly { stroke: var(--alert-pink); }
.hud-panel[data-dimension="authority"] .crystal-poly { stroke: var(--optimist-gold); }
.hud-panel[data-dimension="clarity"]  .crystal-poly { stroke: var(--diagnostic-cyan); }
.hud-panel[data-dimension="empathy"]  .crystal-poly { stroke: var(--scan-green); }

.panel-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(22px, 2.2vw, 30px);
    letter-spacing: 0.02em;
    color: var(--marble-white);
    text-transform: uppercase;
    margin-bottom: 10px;
}

.panel-desc {
    color: var(--white-80);
    font-size: 15px;
    line-height: 1.65;
    margin-bottom: 18px;
}

.metric-row {
    display: grid;
    grid-template-columns: 60px 1fr 50px;
    align-items: center;
    gap: 12px;
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--cyan-70);
    text-transform: uppercase;
    margin-bottom: 14px;
}

.metric-bar {
    height: 4px;
    background: rgba(0, 212, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.metric-fill {
    position: absolute;
    inset: 0 100% 0 0;
    background: linear-gradient(90deg, var(--diagnostic-cyan), var(--optimist-gold));
    transition: right 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.hud-panel[data-dimension="warmth"]   .metric-fill { background: linear-gradient(90deg, var(--alert-pink), var(--optimist-gold)); }
.hud-panel[data-dimension="authority"] .metric-fill { background: linear-gradient(90deg, var(--optimist-gold), var(--alert-pink)); }
.hud-panel[data-dimension="empathy"]  .metric-fill { background: linear-gradient(90deg, var(--scan-green), var(--diagnostic-cyan)); }

.metric-val {
    color: var(--marble-white);
    font-weight: 700;
    text-align: right;
}

.metric-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    display: inline-block;
    font-family: var(--font-hud);
    font-size: 10px;
    letter-spacing: 0.12em;
    padding: 4px 10px;
    border: 1px solid var(--cyan-40);
    color: var(--cyan-70);
    text-transform: uppercase;
}

.tag-alt {
    border-color: rgba(255, 210, 63, 0.4);
    color: var(--optimist-gold);
}

/* ============================================================
   Spectrum section
   ============================================================ */
.spectrum-section {
    position: relative;
    padding: 100px 0 120px;
    z-index: 3;
}

.spectrum-stage {
    padding: 0 48px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
}

.spectrum-bars {
    position: relative;
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 220px;
    padding: 18px 22px;
    background:
        linear-gradient(180deg, rgba(10, 26, 58, 0.6), rgba(10, 26, 58, 0.2)),
        repeating-linear-gradient(to right, transparent 0, transparent 79px, rgba(26, 58, 90, 0.4) 79px, rgba(26, 58, 90, 0.4) 80px);
    border: 1px solid var(--cyan-40);
    clip-path: polygon(
        14px 0, calc(100% - 14px) 0, 100% 14px,
        100% calc(100% - 14px), calc(100% - 14px) 100%,
        14px 100%, 0 calc(100% - 14px), 0 14px
    );
    overflow: hidden;
}

.spectrum-bar {
    flex: 1;
    min-width: 4px;
    background: linear-gradient(to top, var(--diagnostic-cyan), rgba(0, 212, 255, 0.35));
    transition: height 320ms cubic-bezier(0.22, 1, 0.36, 1);
    height: 10%;
}

.spectrum-bar.bar-gold { background: linear-gradient(to top, var(--optimist-gold), rgba(255, 210, 63, 0.35)); }
.spectrum-bar.bar-pink { background: linear-gradient(to top, var(--alert-pink), rgba(255, 51, 102, 0.35)); }
.spectrum-bar.bar-green { background: linear-gradient(to top, var(--scan-green), rgba(57, 255, 138, 0.35)); }

.spectrum-legend {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    font-family: var(--font-hud);
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--white-60);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid rgba(26, 58, 90, 0.8);
    background: rgba(10, 26, 58, 0.45);
}

.legend-swatch {
    width: 14px;
    height: 14px;
    display: inline-block;
    flex-shrink: 0;
}

.swatch-cyan  { background: var(--diagnostic-cyan); box-shadow: 0 0 8px var(--cyan-50); }
.swatch-gold  { background: var(--optimist-gold); box-shadow: 0 0 8px rgba(255, 210, 63, 0.5); }
.swatch-pink  { background: var(--alert-pink);   box-shadow: 0 0 8px rgba(255, 51, 102, 0.45); }
.swatch-green { background: var(--scan-green);   box-shadow: 0 0 8px rgba(57, 255, 138, 0.45); }

.legend-key {
    color: var(--marble-white);
    font-weight: 700;
}
.legend-val { color: var(--white-60); }

/* ============================================================
   Marble findings
   ============================================================ */
.findings-section {
    position: relative;
    padding: 100px 0 120px;
    z-index: 3;
}

.marble-stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    padding: 0 48px;
}

.marble-panel {
    position: relative;
    padding: 36px 32px;
    min-height: 260px;
    overflow: hidden;
    clip-path: polygon(
        14px 0, calc(100% - 14px) 0, 100% 14px,
        100% calc(100% - 14px), calc(100% - 14px) 100%,
        14px 100%, 0 calc(100% - 14px), 0 14px
    );
    background: var(--marble-white);
    color: var(--ocean-deep);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.marble-panel.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.marble-texture {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(255, 255, 255, 0.9) 0%, transparent 40%),
        radial-gradient(ellipse at 80% 70%, rgba(230, 220, 200, 0.7) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 50%, rgba(200, 190, 170, 0.3) 0%, transparent 60%),
        radial-gradient(ellipse at 10% 90%, rgba(255, 255, 255, 0.7) 0%, transparent 45%),
        radial-gradient(ellipse at 90% 10%, rgba(210, 200, 180, 0.6) 0%, transparent 45%),
        linear-gradient(135deg, #E8E4DC 0%, #D6D0C4 50%, #E8E4DC 100%);
    z-index: 0;
}

.marble-overlay {
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            45deg,
            transparent 0, transparent 2px,
            rgba(140, 130, 110, 0.05) 2px,
            rgba(140, 130, 110, 0.05) 3px
        ),
        repeating-linear-gradient(
            -30deg,
            transparent 0, transparent 80px,
            rgba(90, 80, 70, 0.07) 80px,
            rgba(90, 80, 70, 0.07) 82px
        );
    z-index: 0;
}

.marble-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: 14px;
}

.marble-index {
    font-family: var(--font-hud);
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--grid-blue);
    text-transform: uppercase;
}

.marble-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(20px, 2vw, 28px);
    color: var(--ocean-deep);
    letter-spacing: -0.01em;
    line-height: 1.1;
    text-transform: uppercase;
}

.marble-body {
    color: rgba(10, 26, 58, 0.82);
    font-size: 15px;
    line-height: 1.7;
    flex: 1;
}

.marble-meta {
    display: flex;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid rgba(10, 26, 58, 0.25);
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--grid-blue);
}
.meta-val { color: var(--alert-pink); font-weight: 700; }

/* ============================================================
   Composite profile
   ============================================================ */
.profile-section {
    position: relative;
    padding: 100px 0 120px;
    z-index: 3;
}

.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 0 48px;
    align-items: center;
}

.profile-visual {
    position: relative;
    aspect-ratio: 1 / 1;
    max-width: 520px;
    justify-self: center;
    width: 100%;
    padding: 12px;
    border: 1px solid var(--cyan-40);
    clip-path: polygon(
        14px 0, calc(100% - 14px) 0, 100% 14px,
        100% calc(100% - 14px), calc(100% - 14px) 100%,
        14px 100%, 0 calc(100% - 14px), 0 14px
    );
    background: rgba(10, 26, 58, 0.55);
}

.composite-svg {
    width: 100%;
    height: 100%;
    display: block;
    animation: compositeSpin 80s linear infinite;
    transform-origin: center;
}

@keyframes compositeSpin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.composite-grid circle {
    fill: none;
    stroke: var(--cyan-40);
    stroke-width: 0.75;
    stroke-dasharray: 2 3;
}

.composite-axes line {
    stroke: var(--cyan-50);
    stroke-width: 0.75;
}

.composite-poly {
    fill: rgba(0, 212, 255, 0.08);
    stroke: var(--diagnostic-cyan);
    stroke-width: 1.5;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.35));
}

.composite-points circle {
    fill: var(--optimist-gold);
}

.composite-core {
    fill: var(--alert-pink);
    filter: drop-shadow(0 0 6px rgba(255, 51, 102, 0.7));
}

.composite-labels text {
    font-family: var(--font-hud);
    font-size: 12px;
    fill: var(--marble-white);
    letter-spacing: 0.18em;
}

.profile-meta {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.profile-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 14px 18px;
    border: 1px solid rgba(0, 212, 255, 0.25);
    background: rgba(10, 26, 58, 0.4);
    font-family: var(--font-hud);
    font-size: 12px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    clip-path: polygon(10px 0, calc(100% - 10px) 0, 100% 10px, 100% calc(100% - 10px), calc(100% - 10px) 100%, 10px 100%, 0 calc(100% - 10px), 0 10px);
}
.profile-key { color: var(--white-60); }
.profile-val { font-weight: 700; color: var(--marble-white); }
.accent-gold  { color: var(--optimist-gold); }
.accent-cyan  { color: var(--diagnostic-cyan); }
.accent-green { color: var(--scan-green); }
.accent-pink  { color: var(--alert-pink); }

.profile-note {
    color: var(--white-80);
    font-size: 15px;
    line-height: 1.7;
    margin-top: 10px;
}
.profile-note strong {
    color: var(--optimist-gold);
    font-weight: 600;
}

.profile-console {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 14px;
    padding: 16px 18px;
    background: rgba(6, 15, 36, 0.85);
    border-left: 2px solid var(--diagnostic-cyan);
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--cyan-70);
}
.console-line { display: block; }
.console-prompt {
    color: var(--optimist-gold);
    margin-right: 8px;
}
.console-ok { color: var(--scan-green); }
.console-ok .console-prompt { color: var(--scan-green); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    position: relative;
    padding: 60px 48px;
    z-index: 3;
}

.footer-line {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--cyan-50), transparent);
    margin-bottom: 28px;
}

.footer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 18px;
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--white-60);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-mark {
    width: 12px;
    height: 12px;
    background: var(--diagnostic-cyan);
    box-shadow: 0 0 10px var(--diagnostic-cyan);
    display: inline-block;
    transform: rotate(45deg);
}

.brand-name {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--marble-white);
    font-size: 14px;
    letter-spacing: 0.12em;
}

.footer-meta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.meta-sep { color: var(--cyan-40); }
.meta-item { color: var(--white-60); }

.footer-status {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--scan-green);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--scan-green);
    box-shadow: 0 0 10px var(--scan-green);
    animation: dotPulse 1.6s ease-in-out infinite;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
    .lattice-stage { grid-template-columns: 1fr; }
    .profile-grid { grid-template-columns: 1fr; }
    .marble-stack { grid-template-columns: 1fr; }
    .spectrum-legend { grid-template-columns: repeat(2, 1fr); }
    .hero-datastream { display: none; }
    .hud-readout-ml, .hud-readout-mr { display: none; }
}

@media (max-width: 720px) {
    .section-header { padding: 0 24px; }
    .hero-viewport { padding: 110px 24px 96px; }
    .dimensions-section, .spectrum-section, .findings-section, .profile-section { padding-left: 0; padding-right: 0; }
    .lattice-stage, .spectrum-stage, .marble-stack, .profile-grid { padding: 0 24px; }
    .site-footer { padding: 40px 24px; }
    .panel-body { grid-template-columns: 1fr; text-align: left; }
    .crystal-shape { width: 130px; height: 130px; margin: 0 auto; }
    .hud-readout-tl, .hud-readout-bl { left: 22px; }
    .hud-readout-tr, .hud-readout-br { right: 22px; }
    .hud-readout-tl, .hud-readout-tr { top: 70px; }
    .hud-readout-bl, .hud-readout-br { bottom: 90px; }
    .spectrum-legend { grid-template-columns: 1fr; }
    .footer-row { flex-direction: column; align-items: flex-start; }
}