/* Core visual reused from the original Meta Sent page. */
.meta-core {
    position: absolute;
    z-index: 7;
    top: calc(50% - var(--meta-core-lift, 0px));
    left: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: var(--meta-core-size);
    height: var(--meta-core-height);
    padding: 28px;
    overflow: visible;
    border: 1px solid rgba(177, 221, 255, 0.26);
    border-radius: 50%;
    background:
        radial-gradient(circle at 34% 22%, rgba(77, 233, 255, 0.16), transparent 38%),
        radial-gradient(circle at 76% 78%, rgba(137, 77, 255, 0.18), transparent 42%),
        radial-gradient(circle at 50% 46%, rgba(19, 36, 55, 0.98), rgba(4, 8, 15, 0.99) 72%);
    box-shadow:
        0 32px 78px rgba(0, 0, 0, 0.58),
        0 0 0 8px rgba(72, 156, 255, 0.035),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
    transform: translate(-50%, -50%);
    isolation: isolate;
}

.meta-core::before {
    content: "";
    position: absolute;
    z-index: 1;
    inset: 17px;
    border: 1px solid rgba(130, 223, 255, 0.12);
    border-radius: 50%;
    pointer-events: none;
}

.meta-core::after {
    content: "";
    position: absolute;
    z-index: 0;
    inset: 15%;
    border-radius: 50%;
    background: radial-gradient(circle at 42% 36%, rgba(101, 236, 255, 0.13), transparent 66%);
    filter: blur(14px);
    pointer-events: none;
}

.meta-core-arc {
    --arc-rgb: 80, 245, 165;
    --arc-head-rgb: 239, 255, 247;
    position: absolute;
    z-index: 3;
    inset: -5px;
    display: block;
    border-radius: 50%;
    pointer-events: none;
    background: conic-gradient(
        from -112deg,
        transparent 0deg,
        transparent 214deg,
        rgba(var(--arc-rgb), 0) 222deg,
        rgba(var(--arc-rgb), 0.05) 238deg,
        rgba(var(--arc-rgb), 0.14) 256deg,
        rgba(var(--arc-rgb), 0.34) 278deg,
        rgba(var(--arc-rgb), 0.62) 304deg,
        rgba(var(--arc-rgb), 0.88) 328deg,
        rgba(var(--arc-head-rgb), 0.98) 344deg,
        rgba(var(--arc-head-rgb), 0.58) 352deg,
        transparent 360deg
    );
    -webkit-mask: radial-gradient(
        farthest-side,
        transparent calc(100% - 7px),
        #000 calc(100% - 6px),
        #000 calc(100% - 2px),
        transparent calc(100% - 1px)
    );
    mask: radial-gradient(
        farthest-side,
        transparent calc(100% - 7px),
        #000 calc(100% - 6px),
        #000 calc(100% - 2px),
        transparent calc(100% - 1px)
    );
    mix-blend-mode: screen;
    filter:
        drop-shadow(0 0 4px rgba(var(--arc-rgb), 0.7))
        drop-shadow(0 0 14px rgba(var(--arc-rgb), 0.42));
    animation: meta-core-arc-spin 9.4s linear infinite;
    will-change: transform;
}

.meta-core-arc::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: conic-gradient(
        from -112deg,
        transparent 0deg,
        transparent 284deg,
        rgba(var(--arc-rgb), 0) 294deg,
        rgba(var(--arc-rgb), 0.18) 308deg,
        rgba(var(--arc-rgb), 0.48) 326deg,
        rgba(var(--arc-head-rgb), 0.9) 343deg,
        rgba(var(--arc-head-rgb), 0.42) 352deg,
        transparent 360deg
    );
    -webkit-mask: radial-gradient(
        farthest-side,
        transparent calc(100% - 9px),
        #000 calc(100% - 8px),
        #000 calc(100% - 2px),
        transparent calc(100% - 1px)
    );
    mask: radial-gradient(
        farthest-side,
        transparent calc(100% - 9px),
        #000 calc(100% - 8px),
        #000 calc(100% - 2px),
        transparent calc(100% - 1px)
    );
    filter: blur(0.35px);
}

.meta-core-arc--violet {
    --arc-rgb: 168, 123, 255;
    --arc-head-rgb: 248, 240, 255;
    animation-delay: -4.7s;
}

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

.meta-core-logo {
    position: relative;
    z-index: 4;
    display: block;
    width: 176px;
    height: 31px;
    overflow: hidden;
    flex: 0 0 auto;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.meta-core-logo img {
    position: absolute;
    top: 1px;
    left: 1px;
    display: block;
    width: 243.4px;
    max-width: none;
    height: auto;
    filter: invert(1) hue-rotate(180deg);
    opacity: 1;
}


/* Public website: normal document flow, independent of animation. */
:root {
  color-scheme: dark;
  --bg: #070a10;
  --surface: #101620;
  --line: #263141;
  --ink: #f2f5fc;
  --muted: #afbbcd;
  --cyan: #76e1f6;
  --violet: #a895ff;
  --nav-height: 72px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; }
body:has(dialog[open]) { overflow: hidden; }
button, input, textarea, summary { font: inherit; }
button, summary { cursor: pointer; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--cyan); }
button:disabled { opacity: .6; cursor: wait; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
h1, h2, h3 { line-height: 1.3; letter-spacing: -.035em; }
h2 { font-size: clamp(28px, 3.5vw, 44px); font-weight: 650; }
h3 { font-size: 21px; font-weight: 600; }
p, textarea { overflow-wrap: break-word; }
.title-unit { display: inline-block; white-space: nowrap; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 5px; border-radius: 5px; }
[tabindex="-1"]:focus { outline: none; }
.container { width: min(1200px, 100%); margin-inline: auto; padding-inline: 24px; }
.section { position: relative; padding-block: 100px; scroll-margin-top: calc(var(--nav-height) + 24px); }
.has-scroll-journey { position: relative; isolation: isolate; overflow: clip; }
.has-scroll-journey > .section > .container { position: relative; z-index: 2; }
.scroll-journey { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; overflow: clip; }
.scroll-journey path { fill: none; stroke: url(#journeyInk); stroke-linecap: round; }
.journey-track { stroke-width: 1; opacity: .09; }
.journey-glow { stroke-width: 9; opacity: .2; filter: blur(4px); stroke-dasharray: 1; stroke-dashoffset: 1; }
.journey-line { stroke-width: 1.6; opacity: .72; stroke-dasharray: 1; stroke-dashoffset: 1; }
.journey-head { filter: drop-shadow(0 0 9px #ae9df5); }
.journey-halo { fill: #afc4ff18; stroke: #b5c2ff44; stroke-width: 1; }
.journey-spark { fill: #e4f6ff; }
.skip-link { position: fixed; top: -70px; left: 16px; z-index: 100; padding: 12px 20px; background: var(--surface); }
.skip-link:focus { top: 8px; }
.site-nav { position: sticky; top: 0; z-index: 40; border-bottom: 1px solid #ffffff0e; background: #070a10ec; backdrop-filter: blur(18px); }
.nav-inner { height: var(--nav-height); display: flex; align-items: center; gap: 22px; }
.brand { display: flex; min-height: 44px; align-items: center; margin-right: auto; flex-shrink: 0; }
.brand img { width: 174px; height: auto; filter: invert(1); }
.desktop-nav { display: flex; align-items: center; gap: 20px; font-size: 14px; color: var(--muted); }
.desktop-nav a { display: inline-flex; align-items: center; min-height: 44px; white-space: nowrap; flex-shrink: 0; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 11px 23px; border: 1px solid transparent; border-radius: 12px; background: linear-gradient(110deg, #74e5ee, #a091ff); color: #081424; font-size: 15px; line-height: 1.5; font-weight: 650; text-align: center; transition: filter .18s, border-color .18s; }
.button:hover { filter: brightness(1.12); color: #081424; }
.button-secondary { border-color: #3a465b; background: #101925c9; color: #e9eef7; }
.button-secondary:hover { color: white; border-color: var(--cyan); }
.button-small { min-height: 44px; padding: 9px 17px; font-size: 14px; }
.button, .text-link { white-space: nowrap; flex-shrink: 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.text-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--cyan); font-size: 14px; }
.mobile-menu { display: none; }
.mobile-menu summary { min-width: 44px; font-size: 13px; gap: 5px; white-space: nowrap; }
.mobile-menu summary::after { content: none; }
.mobile-menu-panel { position: absolute; top: var(--nav-height); left: 16px; right: 16px; padding: 14px; border: 1px solid #3b4660; border-radius: 12px; background: #111824; box-shadow: 0 20px 45px #0008; }
.mobile-menu-panel a { display: flex; align-items: center; min-height: 44px; padding: 6px 12px; font-size: 14px; white-space: nowrap; }
.eyebrow { display: flex; gap: 9px; align-items: center; color: var(--cyan); font-size: 12px; letter-spacing: .12em; margin-bottom: 20px; }
.signal-dot { width: 6px; height: 6px; border-radius: 50%; background: #7becd5; box-shadow: 0 0 12px #7becd580; }
.gradient-text { background: linear-gradient(105deg, #d0f9ff, #9adefa 48%, #c2b3ff); color: transparent; background-clip: text; -webkit-background-clip: text; }
.section-heading { margin-bottom: 40px; }
.section-description { margin-top: 20px; max-width: 650px; color: var(--muted); font-size: 16px; }
.hero { min-height: calc(100svh - var(--nav-height)); padding-block: 38px 28px; overflow: clip; background: radial-gradient(ellipse at 50% 65%, #13234270, transparent 55%); }
.hero-inner { min-height: calc(100svh - var(--nav-height) - 66px); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.hero-copy { width: 100%; }
.hero-copy .eyebrow { justify-content: center; margin-bottom: 16px; }
.hero h1 { font-size: clamp(32px, 4.6vw, 56px); font-weight: 700; line-height: 1.25; }
.hero-description { color: var(--muted); max-width: 680px; margin: 20px auto 0; font-size: 15px; }
.hero-visual { --meta-core-size: clamp(190px, 20vw, 238px); --meta-core-height: var(--meta-core-size); position: relative; flex-shrink: 0; width: min(900px,100%); height: clamp(280px, 39svh, 380px); margin: 16px auto 24px; }
.meta-system { position: absolute; inset: 0; }
.meta-core { top: 52%; }
.meta-core-logo { transform: scale(.8); }
.meta-module { position: absolute; top: 52%; transform: translateY(-50%); font-size: clamp(25px, 3.7vw, 45px); font-weight: 750; letter-spacing: -.04em; color: #b9eaf7; text-shadow: 0 0 25px #79daf540; white-space: nowrap; }
.meta-module-left { right: calc(50% + var(--meta-core-size) / 2 + 36px); }
.meta-module-right { left: calc(50% + var(--meta-core-size) / 2 + 36px); color: #cfb9f6; text-shadow: 0 0 25px #a77cf540; }
.meta-engine-name { position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); color: #c0d7ef; font-size: 18px; font-weight: 600; white-space: nowrap; letter-spacing: .1em; }
.meta-hero-wavefield { position: absolute; top: 14%; left: 50%; width: 130%; height: 76%; transform: translateX(-50%); opacity: .65; mask-image: linear-gradient(90deg, transparent, black 20%, black 80%, transparent); }
.meta-hero-wavefield svg { width: 100%; height: 100%; }
.meta-wave-group path { fill: none; stroke-width: 1.1; stroke-dasharray: 12 26 46 18; animation: wave-drift 9s linear infinite; }
.meta-wave-group--left path { stroke: #58ddec88; }
.meta-wave-group--right path { stroke: #a182fb88; animation-direction: reverse; }
.meta-wave-group path:nth-child(2) { opacity: .5; }
.meta-wave-group path:nth-child(3) { opacity: .25; }
@keyframes wave-drift { to { stroke-dashoffset: -190; } }
.hero-actions { justify-content: center; }
.emotion-lab { overflow: clip; padding-block: 100px; background: radial-gradient(ellipse at center, #13253570, transparent 64%); }
.emotion-particle-canvas { position: absolute; inset: 0; pointer-events: none; opacity: .7; }
.emotion-lab-inner { position: relative; z-index: 1; max-width: 950px; text-align: center; }
.emotion-lab .eyebrow { justify-content: center; }
.emotion-lab .section-description { margin-inline: auto; }
.emotion-dialog-form { margin: 34px 0 20px; padding: 20px 22px 16px; border: 1px solid #3b526b; border-radius: 20px; text-align: left; background: #0c1622e8; box-shadow: 0 18px 60px #0004; backdrop-filter: blur(12px); }
.emotion-dialog-form:focus-within { border-color: var(--cyan); }
label { display: block; font-size: 13px; color: #cbd7e8; margin-bottom: 10px; }
textarea { display: block; width: 100%; resize: vertical; min-height: 100px; background: #0b131e; border: 1px solid var(--line); border-radius: 10px; padding: 14px; color: var(--ink); line-height: 1.8; }
textarea::placeholder { color: #9caac0; opacity: 1; }
#emotionPrompt { border: none; background: transparent; padding: 0; min-height: 90px; max-height: 300px; }
#emotionPrompt:focus-visible { outline: none; }
.form-bottom { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-top: 16px; }
#inputCount { font-size: 12px; color: #b2bfd2; font-variant-numeric: tabular-nums; }
.input-examples { display: flex; align-items: center; gap: 10px; justify-content: center; flex-wrap: wrap; font-size: 13px; }
.input-examples > span { color: #b2bfd2; }
.input-examples button { min-height: 44px; padding: 8px 15px; border: 1px solid #39465b; border-radius: 24px; background: #111827de; font-size: 13px; }
.input-examples button:hover { border-color: var(--cyan); }
.form-status { font-size: 14px; margin-top: 16px; min-height: 24px; color: #ceebf3; }
.disclaimer { margin-top: 14px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.notice { color: #bce0dd; font-size: 14px; padding: 16px 20px; border-left: 2px solid #5dbab0; background: #12232180; border-radius: 0 10px 10px 0; margin-top: 24px; }
.notice-error { border-color: #f58c94; background: #351b2480; color: #ffd2d6; }
.notice-error .actions { margin-top: 16px; }
.notice-warning { color: #f1d1a4; background: #33281a80; border-color: #ca9f68; }
.analysis-report { background: radial-gradient(ellipse at 10% 30%, #0c34284d, transparent 55%), #080d12; border-block: 1px solid #223830; }
.report-heading { margin-bottom: 26px; }
.report-status { color: var(--cyan); font-size: 14px; scroll-margin-top: calc(var(--nav-height) + 24px); }
.report-status:empty { display: none; }
.report-status[data-loading="true"]::before { content: ""; display: inline-block; width: 13px; height: 13px; margin-right: 10px; border: 2px solid #365354; border-top-color: var(--cyan); border-radius: 50%; animation: loader-spin 1s linear infinite; vertical-align: -2px; }
@keyframes loader-spin { to { transform: rotate(360deg); } }
#analysisTitle { scroll-margin-top: calc(var(--nav-height) + 24px); }
#analysisTitle, #analysisStepTitle { overflow-wrap: anywhere; }
.empty-report { margin-top: 20px; }
.empty-report .button { margin-top: 20px; }
.diagnosis { font-size: 21px; line-height: 1.7; margin: 30px 0; max-width: 950px; }
.analysis-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.analysis-summary article { border: 1px solid #294239; border-radius: 14px; padding: 24px; background: #0d1c19a8; }
.analysis-summary article > span { color: #96d6c0; font-size: 12px; letter-spacing: .1em; }
.analysis-summary p { margin-top: 12px; color: #ddeae5; font-size: 15px; }
.report-subtitle { margin: 32px 0 16px; font-size: 16px; }
.analysis-tags { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
.emotion-tag { padding: 16px; border: 1px solid #2b353e; border-radius: 12px; background: #10181d; }
.tag-heading { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; }
.tag-heading strong { font-size: 15px; }
.tag-heading small { color: #9dccbf; font-size: 11px; }
.emotion-tag p { color: #b8c8c5; font-size: 13px; margin-top: 8px; }
.analysis-workspace { margin-top: 32px; border: 1px solid #2d453f; border-radius: 18px; overflow: clip; }
.analysis-step-nav { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: #2d453f; }
.analysis-step { min-height: 65px; padding: 14px; background: #111d1c; border: 0; color: #b0c4be; }
.analysis-step small { margin-right: 12px; opacity: .8; font-variant-numeric: tabular-nums; }
.analysis-step[aria-selected="true"] { background: #203d34; color: #c0ffe1; box-shadow: inset 0 -2px #82e8b9; }
.analysis-step:focus-visible { outline-offset: -5px; }
.analysis-step-panel { padding: 32px; background: #0d1715; }
.analysis-step-panel .eyebrow { color: #91d5b5; margin-bottom: 12px; }
#analysisStepExplanation { color: #bdd0c9; margin-top: 18px; font-size: 15px; line-height: 1.9; }
.analysis-step-items { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; margin-top: 24px; }
.step-item { border-top: 1px solid #2c423a; padding-top: 16px; }
.step-item strong { color: #b2dfcb; font-size: 14px; }
.step-item p { color: #c4d1cb; font-size: 14px; margin-top: 8px; }
.analysis-output { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 25px; padding-top: 20px; border-top: 1px solid #2c423a; font-size: 14px; }
.analysis-output span { color: #97baaa; }
.analysis-output strong { font-weight: 500; }
.report-actions { margin-top: 26px; }
#copyStatus { color: var(--cyan); font-size: 13px; margin-top: 14px; }
#reportCopyFallback { margin-top: 15px; }
/* Three illustrated product stories. */
.visual-section { border-top: 1px solid #ffffff0a; }
.standards-section { background: radial-gradient(ellipse at 85% 45%,#15384035,transparent 55%),#0a0f17; }
.feedback-section { background: radial-gradient(ellipse at 50% 70%,#30245138,transparent 60%),#080c14; }
.assets-section { background: radial-gradient(ellipse at 10% 50%,#29234240,transparent 60%),#0b1019; }
.diagram-symbols { position: absolute; overflow: hidden; pointer-events: none; }
.visual-layout { display: grid; grid-template-columns: .9fr 1.4fr; gap: 56px; align-items: center; }
.visual-copy { min-width: 0; }
.visual-description { max-width: 390px; color: var(--muted); font-size: 16px; line-height: 1.9; margin-top: 24px; }
.visual-tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 24px 0; }
.visual-tags li { border: 1px solid #34515e; border-radius: 7px; color: #bcdae0; padding: 5px 10px; font-size: 12px; white-space: nowrap; }
.visual-details { max-width: 360px; padding-block: 8px; border-block: 1px solid #2a3848; margin-top: 28px; }
.visual-details p { color: var(--muted); font-size: 14px; padding-block: 8px; }
summary { min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 16px; list-style: none; font-size: 14px; color: #cad7ea; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--cyan); font-size: 20px; font-weight: 400; flex-shrink: 0; }
details[open] > summary::after { content: "−"; }
.proof-link { display: flex; align-items: center; gap: 14px; margin-top: 28px; padding: 9px 12px 9px 9px; border: 1px solid #334052; border-radius: 12px; background: #131c28; text-align: left; max-width: 100%; min-height: 62px; }
.proof-link:hover { border-color: #85becd; background: #182536; }
.proof-link img { width: 66px; height: 44px; flex: 0 0 66px; object-fit: cover; object-position: right top; border: 1px solid #3b4558; border-radius: 5px; }
.proof-link > span { font-size: 13px; }
.proof-link small { display: block; color: #a6b5c9; font-size: 10px; margin-top: 2px; }
.proof-link > span:last-child { margin-left: 8px; color: var(--cyan); }
.visual-board { min-width: 0; border: 1px solid #334254; border-radius: 24px; background: linear-gradient(145deg,#182432,#0e1622); box-shadow: 0 30px 75px #0003; overflow: hidden; }
.board-toolbar { display: flex; align-items: center; gap: 8px; padding: 16px 20px; border-bottom: 1px solid #34445580; font-size: 11px; color: #bed0e3; }
.board-toolbar small { margin-left: auto; color: #97abbe; font-size: 10px; white-space: nowrap; }
.board-dot { width: 5px; height: 5px; border-radius: 50%; background: #92e2d6; box-shadow: 0 0 8px #78d8cc60; }
.visual-board figcaption { text-align: center; font-size: 11px; color: #a1b2c7; padding: 14px 16px 18px; }
.shoot-canvas { position: relative; margin: 14px 18px 0; border: 1px solid #40586980; border-radius: 12px; background: #10202d; overflow: hidden; }
.shoot-canvas > svg { display: block; width: 100%; height: auto; }
.scene-label { position: absolute; font-size: 10px; color: #b7d9da; letter-spacing: .05em; }
.scene-label-light { left: 22%; top: 16%; }
.scene-label-subject { left: 48%; top: 7%; }
.scene-label-space { right: 5%; top: 30%; }
.story-strip { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; margin: 12px 18px; }
.story-strip > div { position: relative; overflow: hidden; border-radius: 7px; border: 1px solid #3d4b60; background: #1b2a38; }
.story-strip svg { display: block; width: 100%; height: 64px; }
.story-strip span { position: absolute; bottom: 5px; left: 8px; font-size: 10px; color: #e2eef5; padding: 1px 5px; background: #0a1328bb; border-radius: 3px; }
.edit-tracks { display: grid; grid-template-columns: 28px minmax(0,1fr); gap: 6px 10px; margin: 0 18px; align-items: center; color: #acbed1; font-size: 10px; }
.clip-track { display: flex; height: 20px; gap: 3px; }
.clip-track i { flex: 1; border: 1px solid #669bb0; background: #284958; border-radius: 3px; }
.clip-track i:nth-child(2) { flex: 1.7; background: #385a68; }
.clip-track i:nth-child(3) { flex: .7; }
.clip-track i:nth-child(4) { flex: 1.4; background: #494669; border-color: #8780ad; }
.audio-track { height: 14px; border-radius: 3px; border: 1px solid #7762a1; background: repeating-linear-gradient(90deg,#a794cb80 0 2px,transparent 2px 6px),#352a4a; }
.visual-header { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 40px; }
.visual-header .visual-description { max-width: 365px; margin: 0; }
.feedback-board { padding: 28px 26px 0; background: radial-gradient(ellipse at 60% 0,#34285150,transparent 60%),#101824; }
.feedback-steps { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 24px; }
.loop-step { position: relative; min-width: 0; padding: 18px 14px; border: 1px solid #394052; border-radius: 14px; background: #151d2bd9; }
.loop-step:not(:last-child)::after { content: ""; position: absolute; right: -17px; top: 50%; width: 7px; height: 7px; border-top: 1px solid #9e8ec2; border-right: 1px solid #9e8ec2; transform: rotate(45deg); }
.node-heading { display: flex; align-items: center; gap: 9px; }
.node-heading > span { font-size: 10px; color: #a39ebc; font-variant-numeric: tabular-nums; }
.node-heading h3 { font-size: 17px; letter-spacing: 0; white-space: nowrap; }
.step-art { height: 152px; margin: 20px 0 16px; position: relative; }
.node-note { color: #aebed0; font-size: 11px; text-align: center; }
.feedback-document { position: absolute; width: 75px; height: 96px; top: 25px; left: 10%; padding: 10px; border: 1px solid #53788f; border-radius: 9px; background: linear-gradient(135deg,#243b4b,#182533); transform: rotate(-8deg); color: #9acee0; }
.feedback-document svg { width: 100%; height: 100%; }
.feedback-art > span { position: absolute; right: 4%; border: 1px solid #466473; background: #1f3542; padding: 4px 13px; border-radius: 6px; font-size: 11px; color: #bde1e6; }
.feedback-art > span:nth-child(2) { top: 18px; }
.feedback-art > span:nth-child(3) { top: 64px; right: 0; }
.feedback-art > span:nth-child(4) { top: 110px; }
.dissect-art, .versions-art { display: flex; align-items: center; justify-content: center; gap: 5px; }
.dissect-art > div, .versions-art > div { min-width: 0; flex: 1; max-width: 72px; border: 1px solid #425970; border-radius: 6px; overflow: hidden; background: linear-gradient(135deg,#2a414e,#182332); }
.dissect-art svg, .versions-art svg { display: block; width: 100%; height: 94px; }
.dissect-art span, .versions-art span { display: block; padding: 4px 1px; background: #121c29; color: #bdc9df; font-size: 10px; text-align: center; white-space: nowrap; }
.versions-art > div { border-color: #67577f; background: linear-gradient(135deg,#3e3550,#202133); }
.versions-art > div:first-child { transform: translateY(9px); }
.versions-art > div:last-child { transform: translateY(-9px); }
.formula-art { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; }
.formula-art span { width: 80%; max-width: 126px; border: 1px solid #736397; border-radius: 7px; padding: 4px; text-align: center; background: #352d49; color: #e0d0f4; font-size: 13px; }
.formula-art i { font-style: normal; color: #b099d1; font-size: 12px; line-height: 16px; }
.feedback-return { position: relative; height: 65px; color: #9684b6; text-align: center; }
.feedback-return svg { position: absolute; inset: 0; width: 100%; height: 44px; }
.feedback-return span { display: inline-block; position: relative; margin-top: 20px; padding: 0 14px; background: #101824; color: #bdaccf; font-size: 12px; }
.feedback-board figcaption { padding-top: 0; }
.visual-layout-reverse { grid-template-columns: 1.4fr .9fr; }
.visual-layout-reverse .visual-copy { grid-column: 2; grid-row: 1; }
.visual-layout-reverse .visual-board { grid-column: 1; grid-row: 1; }
.knowledge-map { background: radial-gradient(ellipse at 50% 50%,#36315466,transparent 70%),#131b29; }
.knowledge-sources { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; padding: 28px 24px 0; }
.knowledge-sources > div { display: grid; justify-items: center; gap: 10px; border: 1px solid #43506b; border-radius: 12px; padding: 16px 4px; background: #202a3c; box-shadow: 0 5px 0 #161f30,0 6px 0 #394259; }
.knowledge-sources svg { width: 36px; height: 42px; color: #a6b8e0; }
.knowledge-sources > div:nth-child(2) { background: #2b2640; border-color: #5b4d79; }
.knowledge-sources > div:nth-child(2) svg { color: #bba9db; }
.knowledge-sources span { color: #d0daed; font-size: 12px; white-space: nowrap; }
.converge-lines { height: 48px; padding-inline: 24px; color: #7a6c9c; }
.converge-lines svg { display: block; width: 100%; height: 100%; }
.asset-hub { display: grid; grid-template-columns: 55px minmax(0,1fr); align-items: center; gap: 4px 18px; width: 70%; margin: 0 auto; padding: 22px; border: 1px solid #8d7aaf; border-radius: 16px; background: radial-gradient(at 0 0,#61547766,transparent 80%),#2b263e; box-shadow: 0 0 30px #8672b71a; }
.asset-hub svg { width: 55px; height: 48px; grid-row: 1 / 3; }
.asset-hub strong { font-size: 18px; font-weight: 550; color: #e1d8f1; white-space: nowrap; }
.asset-hub > span { font-size: 11px; color: #bbaed2; white-space: nowrap; }
.reuse-projects { position: relative; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; margin: 40px 24px 0; }
.reuse-projects::before { content: ""; position: absolute; width: 1px; height: 40px; left: 50%; bottom: 100%; background: #7a6c9c; }
.reuse-projects::after { content: ""; position: absolute; left: 16%; right: 16%; top: -14px; border-top: 1px solid #7a6c9c; }
.reuse-projects span { position: relative; padding: 9px 2px; border: 1px solid #454059; border-radius: 6px; text-align: center; background: #1a2030; color: #beb7d0; font-size: 11px; white-space: nowrap; }
.reuse-projects span::before { content: ""; position: absolute; width: 1px; height: 14px; left: 50%; bottom: 100%; background: #7a6c9c; }
.production-path { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 24px; padding: 26px 0 0; margin: 48px 0 0; list-style: none; border-top: 1px solid #33364a; }
.production-path li { position: relative; display: flex; align-items: center; gap: 12px; min-height: 36px; font-size: 14px; color: #c5d2e1; white-space: nowrap; }
.production-path li > span { color: #9b8db9; font-size: 11px; font-variant-numeric: tabular-nums; }
.production-path li:not(:last-child)::after { content: "→"; position: absolute; right: 4px; color: #7a7394; }
#ctaDescription:empty { display: none; }
.faq-section { background: #0c1119; border-block: 1px solid #202a3b; }
.faq-layout { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; }
.faq-list details { padding: 14px 0; border-bottom: 1px solid #2c3648; }
.faq-list details:first-child { padding-top: 0; }
.faq-list summary { font-size: 16px; color: #e0e7f2; }
.faq-list p { margin: 10px 28px 12px 0; font-size: 14px; color: var(--muted); line-height: 1.9; }
.cta-section { text-align: center; background: radial-gradient(ellipse at 50% 100%, #2825557a, transparent 65%); }
.cta-section .eyebrow, .cta-section .actions { justify-content: center; }
.cta-section .section-description { margin-inline: auto; }
.cta-section .actions { margin-top: 28px; }
.contact-card { max-width: 680px; margin: 32px auto 0; padding: 28px; border: 1px solid #424064; border-radius: 16px; text-align: center; }
.contact-card p { font-size: 14px; color: var(--muted); }
#contactText { color: white; font-size: 18px; white-space: pre-wrap; margin-top: 18px; }
#contactStatus { margin-top: 12px; color: var(--cyan); }
.site-footer { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding-block: 25px; color: #9fabc1; font-size: 12px; }
.site-footer > span { font-size: 17px; color: #d1d9e9; }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; }
dialog { background: #0f1520; color: var(--ink); border: 1px solid #425068; border-radius: 18px; width: min(1200px, calc(100% - 32px)); max-height: calc(100svh - 32px); padding: 20px; }
dialog::backdrop { background: #02050be8; backdrop-filter: blur(8px); }
.preview-toolbar { display: flex; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 15px; }
.preview-toolbar h2 { font-size: 18px; }
dialog img { width: 100%; border-radius: 8px; }
dialog > p { color: var(--muted); font-size: 12px; margin-top: 12px; }
@media (max-width: 1023px) {
  .desktop-nav { display: none; }
  .mobile-menu { display: block; }
  .nav-inner { gap: 16px; }
  .brand img { width: 150px; }
  .visual-layout, .visual-layout-reverse { grid-template-columns: 1fr 1.2fr; gap: 30px; }
  .visual-layout-reverse { grid-template-columns: 1.2fr 1fr; }
  .feedback-steps { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .loop-step:nth-child(2)::after { content: none; }
  .faq-layout { grid-template-columns: 1fr 1.5fr; gap: 30px; }
  .analysis-tags { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 767px) {
  :root { --nav-height: 64px; }
  .container { padding-inline: 16px; }
  .section { padding-block: 64px; }
  .brand img { width: 130px; }
  .nav-inner { gap: 10px; }
  .nav-experience { font-size: 13px; padding-inline: 12px; gap: 5px; }
  .mobile-menu summary { font-size: 12px; gap: 5px; }
  .hero { padding-block: 32px 28px; }
  .hero-inner { min-height: calc(100svh - var(--nav-height) - 60px); }
  .hero h1 { font-size: clamp(27px, 4.3vw + 13px, 37px); line-height: 1.4; }
  .hero-description { font-size: 13px; margin-top: 17px; max-width: 460px; }
  .hero-visual { --meta-core-size: clamp(108px, 35vw, 136px); height: 240px; margin-block: 22px; }
  .meta-core-logo { transform: scale(.59); width: 176px; min-width: 176px; }
  .meta-core { padding: 0; }
  .meta-module { font-size: clamp(15px, 4.2vw, 18px); }
  .meta-module-left { right: calc(50% + var(--meta-core-size) / 2 + 14px); }
  .meta-module-right { left: calc(50% + var(--meta-core-size) / 2 + 14px); }
  .meta-engine-name { font-size: 14px; bottom: 3px; }
  .hero-actions { gap: 9px; }
  .hero-actions .button { padding: 11px 15px; font-size: 13px; }
  .emotion-lab { padding-block: 70px; }
  .section-description { font-size: 14px; }
  .emotion-dialog-form { padding: 18px 16px 16px; border-radius: 16px; margin-top: 26px; }
  #emotionPrompt { font-size: 15px; min-height: 138px; }
  .input-examples { gap: 7px; }
  .input-examples > span { flex-basis: 100%; }
  .input-examples button { padding-inline: 11px; font-size: 12px; }
  .disclaimer { font-size: 12px; }
  .section-heading { margin-bottom: 28px; }
  .analysis-summary, .analysis-tags, .analysis-step-items { grid-template-columns: 1fr; }
  .analysis-summary article { padding: 20px; }
  .analysis-step-nav { grid-template-columns: repeat(2,1fr); }
  .analysis-step { min-height: 54px; font-size: 14px; }
  .analysis-step-panel { padding: 22px 18px; }
  .diagnosis { font-size: 18px; }
  .notice { padding: 14px; font-size: 13px; }
  .report-actions .button { padding-inline: 15px; font-size: 14px; }
  .visual-layout, .visual-layout-reverse, .faq-layout { grid-template-columns: 1fr; }
  .visual-layout { gap: 30px; }
  .visual-layout-reverse .visual-copy, .visual-layout-reverse .visual-board { grid-column: auto; grid-row: auto; }
  .visual-description { font-size: 14px; margin-top: 18px; max-width: 460px; }
  .visual-tags { margin-block: 18px; }
  .visual-details { margin-top: 20px; max-width: none; }
  .proof-link { margin-top: 20px; }
  .visual-board { border-radius: 18px; }
  .board-toolbar { padding: 13px 14px; font-size: 10px; }
  .shoot-canvas { margin: 12px 12px 0; }
  .scene-label { font-size: 9px; }
  .story-strip { margin: 10px 12px; gap: 6px; }
  .story-strip svg { height: 50px; }
  .edit-tracks { margin-inline: 12px; }
  .visual-header { display: block; margin-bottom: 28px; }
  .visual-header .visual-description { margin-top: 18px; }
  .feedback-board { padding: 14px 14px 0; }
  .feedback-steps { grid-template-columns: 1fr; gap: 20px; }
  .loop-step { display: grid; grid-template-columns: minmax(0,1fr) 140px; grid-template-rows: 1fr 1fr; column-gap: 10px; padding: 14px; }
  .node-heading { align-self: end; flex-wrap: wrap; gap: 5px 8px; padding-bottom: 8px; }
  .node-heading h3 { font-size: 16px; }
  .step-art { grid-column: 2; grid-row: 1 / 3; height: 130px; margin: 0; }
  .node-note { grid-column: 1; text-align: left; font-size: 10px; }
  .loop-step:not(:last-child)::after { content: ""; top: auto; bottom: -15px; right: calc(50% - 4px); transform: rotate(135deg); }
  .feedback-document { width: 60px; height: 82px; top: 25px; left: 0; }
  .feedback-art > span { padding: 3px 10px; }
  .feedback-art > span:nth-child(2) { top: 7px; }
  .feedback-art > span:nth-child(3) { top: 50px; }
  .feedback-art > span:nth-child(4) { top: 94px; }
  .dissect-art svg, .versions-art svg { height: 76px; }
  .feedback-return { height: auto; padding: 16px 0; }
  .feedback-return svg { display: none; }
  .feedback-return span { margin: 0; padding: 0; font-size: 11px; }
  .feedback-return span::before { content: "↺ "; }
  .knowledge-sources { padding: 22px 16px 0; gap: 8px; }
  .knowledge-sources > div { padding-block: 12px; }
  .knowledge-sources span { font-size: 11px; }
  .converge-lines { padding-inline: 16px; height: 38px; }
  .asset-hub { width: 80%; padding: 16px; gap: 4px 10px; grid-template-columns: 44px minmax(0,1fr); }
  .asset-hub svg { width: 44px; }
  .asset-hub strong { font-size: 16px; }
  .asset-hub > span { font-size: 10px; }
  .reuse-projects { margin: 34px 16px 0; gap: 8px; }
  .reuse-projects::before { height: 34px; }
  .production-path { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px 20px; margin-top: 32px; padding-top: 20px; }
  .production-path li { gap: 9px; font-size: 13px; }
  .production-path li:nth-child(2)::after { content: none; }
  .faq-layout { gap: 10px; }
  .site-footer { flex-direction: column; gap: 6px; text-align: center; }
  .preview-toolbar h2 { font-size: 15px; }
  dialog { padding: 14px; }
}
@media (max-width: 359px) {
  .nav-inner { gap: 6px; }
  .brand img { width: 112px; }
  .nav-experience { padding-inline: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .scroll-journey { display: none; }
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}