/* Haumea — green & white proposal theme */
:root {
  --bg: #ffffff;
  --bg-soft: #f6faf6;
  --bg-card: #ffffff;
  --bg-tint: #ecf6ec;
  --line: #e3ebe3;
  --line-bright: #cfdccf;
  --ink: #0c1a0c;
  --ink-strong: #000000;
  --ink-dim: #4a5a4a;
  --ink-mute: #7a8a7a;
  --green: #1f7a3a;
  --green-deep: #0e5a26;
  --green-bright: #2fa258;
  --green-glow: #8fdba6;
  --green-pale: #d6efdc;
  --grad-hero: linear-gradient(180deg, #ffffff 0%, #e8f5ec 50%, #c2e3cc 100%);
  --grad-card: linear-gradient(180deg, #ffffff 0%, #f3faf4 100%);
  --grad-green: linear-gradient(135deg, #1f7a3a 0%, #2fa258 60%, #8fdba6 100%);
  --grad-bar: linear-gradient(90deg, #0e5a26 0%, #2fa258 70%, #8fdba6 100%);

  --mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --serif: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--green-deep); text-decoration: none; border-bottom: 1px dotted var(--line-bright); }
a:hover { color: var(--green-bright); border-bottom-color: var(--green-bright); }

.mono { font-family: var(--mono); letter-spacing: 0.02em; }
.eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--green); }
.eyebrow .dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--green-bright); margin-right: 8px; vertical-align: middle; box-shadow: 0 0 8px var(--green-glow); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 0.5 } 50% { opacity: 1 } }

.shell { max-width: 1280px; margin: 0 auto; padding: 0 32px; }

/* TOPBAR */
.topbar { position: sticky; top: 0; z-index: 50; background: rgba(7,24,18,0.97); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(47,162,88,0.18); }
.topbar-inner { display: flex; align-items: center; height: 58px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 13px; flex-shrink: 0; }
.brand-mark { width: 22px; height: 22px; background: var(--grad-green); clip-path: polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%); }
.brand-name { font-weight: 700; letter-spacing: 0.15em; color: #ffffff; }
.nav-indicator { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--mono); font-size: 11.5px; pointer-events: none; }
.ni-num { color: var(--green-bright); font-weight: 600; letter-spacing: 0.1em; transition: color 0.3s; }
.ni-sep { color: rgba(143,219,166,0.3); }
.ni-title { color: rgba(255,255,255,0.4); letter-spacing: 0.13em; transition: color 0.3s; }
.topbar-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.status-pill { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 10.5px; padding: 4px 10px; border: 1px solid rgba(47,162,88,0.4); border-radius: 100px; color: rgba(143,219,166,0.8); }
.status-pill .led { width: 5px; height: 5px; border-radius: 50%; background: var(--green-bright); box-shadow: 0 0 6px var(--green-bright); animation: led-blink 2.4s ease-in-out infinite; }
@keyframes led-blink { 0%,100%{opacity:1}50%{opacity:0.35} }
.nav-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; background: transparent; border: 1px solid rgba(47,162,88,0.28); border-radius: 6px; padding: 8px 10px; cursor: pointer; transition: border-color 0.2s; }
.nav-toggle:hover,.nav-toggle.open { border-color: rgba(47,162,88,0.7); }
.nt-line { display: block; width: 18px; height: 1.5px; background: rgba(255,255,255,0.65); border-radius: 2px; transition: all 0.22s ease; transform-origin: center; }
.nav-toggle.open .nt-line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open .nt-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open .nt-line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.nav-panel { overflow: hidden; max-height: 0; transition: max-height 0.38s cubic-bezier(0.4,0,0.2,1); background: rgba(4,14,8,0.99); border-bottom: 1px solid rgba(47,162,88,0.12); }
.nav-panel.open { max-height: 200px; }
.nav-panel-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 2px; padding: 14px 0 18px; }
.npa { font-family: var(--mono); font-size: 10.5px; color: rgba(255,255,255,0.38); padding: 9px 12px; border-radius: 5px; transition: all 0.15s; letter-spacing: 0.05em; line-height: 1.4; }
.npa::before { content: attr(data-num) "\A"; white-space: pre; color: rgba(143,219,166,0.45); font-size: 10px; display: block; margin-bottom: 2px; }
.npa:hover { color: rgba(255,255,255,0.85); background: rgba(47,162,88,0.1); }
.npa.active { color: var(--green-bright); }

/* HERO — dark orbital scene */
.hero { position: relative; min-height: 700px; display: flex; flex-direction: column; overflow: hidden; border-bottom: 1px solid rgba(47,162,88,0.25); background: #071812; }
.hero-scene { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-svg { width: 100%; height: 100%; display: block; }
.hero-content { position: relative; z-index: 1; display: flex; flex-direction: column; justify-content: flex-end; flex: 1; padding-bottom: 64px; }
.hero .eyebrow { color: rgba(143,219,166,0.75); padding-top: 160px; }
.hero .eyebrow .dot { background: rgba(143,219,166,0.9); box-shadow: 0 0 8px rgba(143,219,166,0.5); }
.hero h1 { font-family: var(--sans); font-weight: 700; font-size: clamp(48px, 6vw, 88px); line-height: 0.94; letter-spacing: -0.04em; margin: 18px 0 0; color: #ffffff; }
.hero h1 em { font-style: normal; color: #8fdba6; }
.hero-sub { margin-top: 16px; font-size: 17px; color: rgba(255,255,255,0.5); font-weight: 400; letter-spacing: -0.01em; }
/* hero metric grid */
.hero-metrics { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: rgba(47,162,88,0.2); border: 1px solid rgba(47,162,88,0.25); border-radius: 8px; overflow: hidden; margin-top: 52px; }
.hm-badge { padding: 18px 20px; background: rgba(0,0,0,0.38); opacity: 0; transform: translateY(10px); transition: opacity 0.55s ease, transform 0.55s ease; }
.hm-badge.visible { opacity: 1; transform: translateY(0); }
.hm-val { display: block; font-family: var(--mono); font-size: 26px; font-weight: 500; color: #8fdba6; letter-spacing: -0.02em; line-height: 1; }
.hm-label { display: block; font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.18em; color: rgba(255,255,255,0.38); text-transform: uppercase; margin-top: 7px; }

/* SECTION */
section.block { padding: 110px 0; border-bottom: 1px solid var(--line); position: relative; background: var(--bg); }
section.block.tinted { background: var(--bg-soft); }
section.block::before { content: ""; position: absolute; top: -1px; left: 32px; width: 64px; height: 2px; background: var(--grad-green); border-radius: 2px; }
.section-head { display: flex; align-items: flex-start; gap: 48px; margin-bottom: 56px; }
.section-num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--green); padding-top: 8px; min-width: 80px; }
.section-title { flex: 1; }
.section-title h2 { font-family: var(--sans); font-weight: 700; font-size: clamp(32px, 3.4vw, 50px); line-height: 1.05; letter-spacing: -0.03em; margin: 0; color: var(--ink-strong); text-wrap: balance; }
.section-title h2 em { font-style: italic; background: var(--grad-green); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-title .lead { margin-top: 18px; max-width: 68ch; color: var(--ink-dim); font-size: 16px; line-height: 1.6; }
.section-meta { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--ink-mute); border: 1px solid var(--line); padding: 10px 14px; border-radius: 4px; align-self: flex-start; white-space: nowrap; background: var(--bg-card); }
.section-meta b { color: var(--green-deep); font-weight: 500; }

/* CHIPS / BTNS */
.chip { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 10.5px; padding: 4px 10px; border: 1px solid var(--line-bright); border-radius: 100px; color: var(--ink-dim); background: var(--bg-card); letter-spacing: 0.05em; }
.chip.live { border-color: var(--green-bright); color: var(--green-deep); background: var(--bg-tint); }
.btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; padding: 9px 14px; border: 1px solid var(--line-bright); background: var(--bg-card); color: var(--ink-strong); border-radius: 4px; cursor: pointer; letter-spacing: 0.04em; transition: all 0.15s ease; }
.btn:hover { border-color: var(--green-bright); color: var(--green-deep); background: var(--bg-tint); }
.btn.active { border-color: var(--green-bright); color: var(--green-deep); background: var(--bg-tint); box-shadow: inset 0 0 0 1px var(--green-bright); }

/* KPI */
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.kpi { background: var(--grad-card); padding: 22px 24px; position: relative; }
.kpi .k-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-mute); }
.kpi .k-val { font-family: var(--serif); font-size: 40px; font-weight: 400; line-height: 1.05; margin-top: 8px; letter-spacing: -0.01em; color: var(--ink-strong); }
.kpi .k-val.green { color: var(--green-deep); }
.kpi .k-unit { font-family: var(--mono); font-size: 13px; color: var(--ink-mute); margin-left: 4px; }
.kpi .k-delta { font-family: var(--mono); font-size: 11px; margin-top: 6px; color: var(--green-deep); letter-spacing: 0.04em; }
.kpi .k-icon { position: absolute; top: 18px; right: 20px; color: var(--green-glow); }

/* card */
.card { background: var(--grad-card); border: 1px solid var(--line); border-radius: 8px; }

/* PROBLEM */
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.prob-card { background: var(--grad-card); border: 1px solid var(--line); border-radius: 8px; padding: 32px; position: relative; overflow: hidden; }
.prob-card .prob-icon { width: 64px; height: 64px; display: flex; align-items: center; justify-content: center; background: var(--bg-tint); border-radius: 50%; margin-bottom: 24px; color: var(--green-deep); }
.prob-stat { font-family: var(--serif); font-size: 84px; font-weight: 400; line-height: 0.95; letter-spacing: -0.025em; background: var(--grad-green); -webkit-background-clip: text; background-clip: text; color: transparent; margin: 0 0 12px; }
.prob-stat .unit { font-family: var(--mono); font-size: 18px; color: var(--green-deep); -webkit-text-fill-color: var(--green-deep); margin-left: 6px; letter-spacing: 0.04em; vertical-align: 18px; }
.prob-card h3 { font-size: 18px; font-weight: 600; margin: 0 0 8px; color: var(--ink-strong); letter-spacing: -0.01em; }
.prob-card p { color: var(--ink-dim); font-size: 14px; line-height: 1.6; margin: 0; }
.prob-card ul { list-style: none; padding: 0; margin: 16px 0 0; }
.prob-card ul li { font-family: var(--mono); font-size: 12px; color: var(--ink); padding: 8px 0; border-bottom: 1px dashed var(--line); display: flex; justify-content: space-between; }
.prob-card ul li:last-child { border-bottom: 0; }
.prob-card ul li .pct { color: var(--green-deep); font-weight: 500; }

/* solution 3-way comparison */
.compare-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.compare-col { background: var(--bg-card); padding: 32px 28px; }
.compare-col.deploy { background: var(--grad-card); position: relative; }
.compare-col.deploy::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--grad-green); }
.compare-col .ctag { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; color: var(--ink-mute); text-transform: uppercase; }
.compare-col.deploy .ctag { color: var(--green-deep); }
.compare-col h4 { margin: 6px 0 18px; font-family: var(--serif); font-weight: 400; font-size: 26px; letter-spacing: -0.01em; color: var(--ink-strong); }
.compare-col.deploy h4 { color: var(--green-deep); }
.compare-row { display: grid; grid-template-columns: 1fr auto; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 13px; }
.compare-row:last-child { border-bottom: 0; }
.compare-row .cl { color: var(--ink-mute); font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; }
.compare-row .cv { color: var(--ink-strong); font-family: var(--mono); font-size: 12.5px; font-weight: 500; }
.compare-col.deploy .compare-row .cv { color: var(--green-deep); }

/* PROSE GRID */
.prose-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.prose-grid.three { grid-template-columns: repeat(3, 1fr); }
.prose-card { background: var(--grad-card); border: 1px solid var(--line); border-radius: 8px; padding: 28px; }
.prose-card .pc-icon { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: var(--bg-tint); border-radius: 12px; margin-bottom: 18px; color: var(--green-deep); }
.prose-card h3 { margin: 0 0 8px; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; color: var(--ink-strong); }
.prose-card .pc-num { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; color: var(--green); display: block; margin-bottom: 6px; }
.prose-card p { margin: 0 0 12px; color: var(--ink-dim); font-size: 13.5px; line-height: 1.6; }
.prose-card ul { list-style: none; padding: 0; margin: 12px 0 0; }
.prose-card ul li { font-size: 13px; color: var(--ink); padding: 6px 0 6px 18px; position: relative; line-height: 1.5; }
.prose-card ul li::before { content: ""; position: absolute; left: 0; top: 14px; width: 8px; height: 8px; border-radius: 50%; background: var(--green-bright); }
.prose-card .uplift { font-family: var(--mono); font-size: 11px; color: var(--green-deep); background: var(--bg-tint); padding: 6px 10px; border-radius: 4px; margin-top: 14px; display: inline-block; letter-spacing: 0.04em; }

/* MODEL DIAGRAM */
.model-shell { display: grid; grid-template-columns: 1fr 340px; gap: 24px; }
.model-canvas { background: var(--grad-card); border: 1px solid var(--line); border-radius: 8px; min-height: 540px; padding: 28px; position: relative; overflow-x: auto; overflow-y: hidden; }
.model-canvas .grid-bg { position: absolute; inset: 0; background-image: linear-gradient(transparent 0 calc(100% - 1px), rgba(31,122,58,0.05) 100%) 0 0 / 100% 28px, linear-gradient(90deg, transparent 0 calc(100% - 1px), rgba(31,122,58,0.05) 100%) 0 0 / 28px 100%; pointer-events: none; }
.model-tabs { display: flex; gap: 4px; margin-bottom: 20px; align-items: center; }
.layer { position: absolute; border: 1px solid var(--line-bright); background: var(--bg-card); border-radius: 6px; padding: 10px 12px; font-family: var(--mono); font-size: 11px; cursor: pointer; transition: all 0.18s ease; display: flex; flex-direction: column; gap: 4px; }
.layer .l-icon { color: var(--green); }
.layer .l-name { color: var(--ink-strong); font-weight: 500; letter-spacing: 0.02em; font-size: 11.5px; }
.layer .l-shape { color: var(--ink-mute); font-size: 10px; letter-spacing: 0.04em; }
.layer:hover, .layer.active { border-color: var(--green-bright); background: var(--bg-tint); box-shadow: 0 0 0 1px var(--green-bright), 0 4px 18px rgba(47,162,88,0.18); }
.layer.active .l-name { color: var(--green-deep); }
.layer.input { border-color: var(--line-bright); border-style: dashed; }
.layer.output { border-color: var(--green-bright); background: linear-gradient(135deg, #fff 0%, #ecf6ec 100%); }
.layer.output .l-name { color: var(--green-deep); }
.layer.highlight .l-name { color: var(--green-deep); }
.layer-row { display: flex; align-items: center; justify-content: space-between; }

.inspector { background: var(--grad-card); border: 1px solid var(--line); border-radius: 8px; padding: 24px; }
.inspector h4 { margin: 0 0 4px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; color: var(--green-deep); font-weight: 500; }
.inspector .ins-sub { font-family: var(--mono); font-size: 10.5px; color: var(--ink-mute); letter-spacing: 0.06em; margin-bottom: 16px; }
.inspector p { font-size: 13px; line-height: 1.6; color: var(--ink-dim); margin: 0 0 12px; }
.inspector .ins-stat { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed var(--line); font-family: var(--mono); font-size: 11.5px; }
.inspector .ins-stat:last-child { border-bottom: 0; }
.inspector .ins-stat .l { color: var(--ink-mute); }
.inspector .ins-stat .v { color: var(--ink-strong); }

/* COMPRESSION */
.comp-shell { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; }
.comp-panel { background: var(--grad-card); border: 1px solid var(--line); border-radius: 8px; padding: 28px; display: flex; flex-direction: column; }
.precision-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding: 4px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px; margin-bottom: 24px; }
.precision-tab { font-family: var(--mono); font-size: 11.5px; padding: 12px 12px; border-radius: 4px; cursor: pointer; text-align: center; color: var(--ink-mute); border: 1px solid transparent; transition: all 0.15s; letter-spacing: 0.05em; }
.precision-tab:hover { color: var(--ink-strong); }
.precision-tab.active { background: #fff; border-color: var(--line-bright); color: var(--ink-strong); }
.precision-tab.active.recommend { color: var(--green-deep); border-color: var(--green-bright); background: var(--bg-tint); }

.bar-row { display: grid; grid-template-columns: 130px 1fr 90px; align-items: center; gap: 14px; margin: 10px 0; font-family: var(--mono); font-size: 11.5px; }
.bar-row .b-label { color: var(--ink); letter-spacing: 0.04em; display: flex; align-items: center; gap: 8px; }
.bar-row .b-track { height: 26px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 4px; position: relative; overflow: hidden; }
.bar-row .b-fill { position: absolute; left: 0; top: 0; bottom: 0; transition: width 0.6s cubic-bezier(0.2, 0.8, 0.2, 1); border-radius: 3px; }
.bar-row.cur .b-fill { background: linear-gradient(90deg, #d4d4d4, #a8a8a8); }
.bar-row.base .b-fill { background: linear-gradient(90deg, var(--green-glow), var(--green-pale)); }
.bar-row.deploy .b-fill { background: var(--grad-bar); }
.bar-row .b-val { color: var(--ink-strong); text-align: right; font-weight: 500; }

.uplink-vis { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px; padding: 20px; margin-top: 22px; }
.uplink-row { display: grid; grid-template-columns: 100px 1fr 90px; gap: 14px; align-items: center; margin: 8px 0; font-family: var(--mono); font-size: 11px; }
.uplink-row .u-track { height: 18px; background: var(--bg-card); border: 1px solid var(--line); border-radius: 100px; position: relative; overflow: hidden; }
.uplink-row .u-fill { position: absolute; left: 0; top: 0; bottom: 0; background: repeating-linear-gradient(90deg, var(--green-bright) 0 8px, var(--green-glow) 8px 16px); animation: uplink-flow 1.4s linear infinite; border-radius: 100px; }
.uplink-row .u-fill.fast { animation-duration: 0.45s; }
.uplink-row .u-fill.slow { background: repeating-linear-gradient(90deg, #aaa 0 8px, #ccc 8px 16px); animation-duration: 3s; }
.uplink-row .u-time { color: var(--ink-strong); text-align: right; letter-spacing: 0.04em; font-weight: 500; }
@keyframes uplink-flow { from { background-position: 0 0; } to { background-position: 16px 0; } }

.weight-grid { display: grid; gap: 2px; margin: 12px 0 0; }
.weight-cell { font-family: var(--mono); font-size: 9px; text-align: center; padding: 5px 0; background: var(--bg-soft); border-radius: 2px; color: var(--ink); letter-spacing: 0.02em; transition: all 0.3s ease; border: 1px solid var(--line); }
.bytes-vis { display: flex; gap: 3px; height: 32px; margin-top: 8px; }
.byte { border-radius: 2px; flex: 1; transition: all 0.4s ease; }
.byte.cur { background: linear-gradient(180deg, #888, #ccc); }
.byte.base { background: linear-gradient(180deg, var(--green-glow), var(--green-pale)); }
.byte.deploy { background: var(--grad-bar); }
.byte.empty { background: transparent; border: 1px dashed var(--line-bright); }

/* PIPELINE diagram */
.pipeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; align-items: stretch; }
.pipe-step { background: var(--grad-card); border: 1px solid var(--line); border-radius: 8px; padding: 22px 18px; text-align: center; position: relative; }
.pipe-step::after { content: ""; position: absolute; right: -10px; top: 50%; width: 8px; height: 8px; border-top: 1.5px solid var(--green-bright); border-right: 1.5px solid var(--green-bright); transform: translate(0, -50%) rotate(45deg); z-index: 2; }
.pipe-step:last-child::after { display: none; }
.pipe-step .pi { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; background: var(--bg-tint); border-radius: 50%; color: var(--green-deep); }
.pipe-step .pn { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.18em; color: var(--green); text-transform: uppercase; }
.pipe-step .pl { font-size: 14px; font-weight: 600; color: var(--ink-strong); margin: 4px 0 6px; letter-spacing: -0.01em; }
.pipe-step .pd { font-size: 11.5px; color: var(--ink-dim); line-height: 1.5; font-family: var(--mono); }

/* SATELLITE FILTER */
.split-vs { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; }
.split-card { padding: 32px; border-radius: 8px; }
.split-card.before { background: #f5f5f4; border: 1px solid #e0dfdc; }
.split-card.after { background: var(--grad-card); border: 1px solid var(--green-bright); position: relative; overflow: hidden; }
.split-card.after::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--grad-green); }
.split-card .ttag { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; }
.split-card.before .ttag { color: #888; }
.split-card.after .ttag { color: var(--green-deep); }
.split-card h4 { margin: 6px 0 16px; font-family: var(--serif); font-weight: 400; font-size: 28px; letter-spacing: -0.01em; color: var(--ink-strong); }
.split-stat { font-family: var(--serif); font-size: 64px; line-height: 1; letter-spacing: -0.02em; margin: 16px 0 6px; }
.split-card.before .split-stat { color: #555; }
.split-card.after .split-stat { background: var(--grad-green); -webkit-background-clip: text; background-clip: text; color: transparent; }
.split-card .sds { font-family: var(--mono); font-size: 11px; color: var(--ink-mute); letter-spacing: 0.06em; }
.split-card ul { list-style: none; padding: 0; margin: 24px 0 0; }
.split-card ul li { padding: 8px 0 8px 22px; position: relative; font-size: 13.5px; line-height: 1.5; color: var(--ink); border-bottom: 1px dashed #ddd; }
.split-card ul li::before { content: "✓"; position: absolute; left: 0; top: 8px; color: var(--green-bright); font-weight: 600; }
.split-card.before ul li::before { content: "✕"; color: #aaa; }

/* SGIIN diagram */
.sgiin { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; align-items: stretch; }
.sg-node { background: var(--grad-card); border: 1px solid var(--line); border-radius: 8px; padding: 22px; text-align: center; position: relative; }
.sg-node::after { content: ""; position: absolute; right: -8px; top: 50%; transform: translate(0, -50%); width: 18px; height: 1.5px; background: var(--green-bright); }
.sg-node:last-child::after { display: none; }
.sg-node .si { width: 64px; height: 64px; margin: 0 auto 14px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--grad-green); color: #fff; }
.sg-node h4 { margin: 0 0 6px; font-size: 14px; font-weight: 600; color: var(--ink-strong); }
.sg-node p { margin: 0; font-size: 12px; color: var(--ink-dim); line-height: 1.5; font-family: var(--mono); letter-spacing: 0.02em; }

/* ROADMAP */
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; position: relative; }
.timeline::before { content: ""; position: absolute; top: 50px; left: 8%; right: 8%; height: 2px; background: linear-gradient(90deg, var(--green-bright), var(--green-glow), var(--green-pale)); border-radius: 2px; }
.tl-card { background: var(--grad-card); border: 1px solid var(--line); border-radius: 8px; padding: 28px; position: relative; }
.tl-dot { width: 18px; height: 18px; border-radius: 50%; background: var(--green-bright); position: absolute; top: -10px; left: 50%; transform: translate(-50%, 0); border: 4px solid #fff; box-shadow: 0 0 0 1px var(--green-bright); }
.tl-card .tl-when { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em; color: var(--green-deep); margin-bottom: 6px; text-align: center; padding-top: 14px; }
.tl-card h4 { margin: 6px 0 10px; font-size: 17px; font-weight: 600; color: var(--ink-strong); text-align: center; }
.tl-card p { margin: 0; color: var(--ink-dim); font-size: 13px; line-height: 1.6; text-align: center; }

/* PLACEHOLDER */
.placeholder { background: repeating-linear-gradient(135deg, rgba(47,162,88,0.06) 0 12px, transparent 12px 24px), var(--bg-card); border: 1.5px dashed var(--green-bright); border-radius: 8px; padding: 56px 32px; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 8px; min-height: 220px; color: var(--ink-mute); text-align: center; }
.placeholder .ph-tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--green-deep); }
.placeholder .ph-text { font-family: var(--mono); font-size: 13px; color: var(--ink-dim); max-width: 56ch; line-height: 1.6; }
.placeholder .ph-rec { font-family: var(--mono); font-size: 10.5px; color: var(--green-deep); margin-top: 12px; padding: 8px 14px; background: var(--bg-tint); border-radius: 4px; letter-spacing: 0.04em; }

/* references */
.refs { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px; padding: 28px 32px; }
.refs h3 { margin: 0 0 16px; font-size: 14px; font-weight: 600; letter-spacing: 0.04em; color: var(--ink-strong); font-family: var(--mono); text-transform: uppercase; }
.refs ol { margin: 0; padding: 0 0 0 22px; columns: 2; column-gap: 32px; }
.refs ol li { font-size: 12.5px; line-height: 1.55; color: var(--ink-dim); padding: 6px 0; break-inside: avoid; }
.refs ol li a { color: var(--green-deep); }

/* FOOTER */
footer.foot { border-top: 1px solid var(--line); padding: 40px 0 56px; font-family: var(--mono); font-size: 11px; color: var(--ink-mute); letter-spacing: 0.06em; background: var(--bg-soft); }
.foot-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }

/* TEAM */
.team-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.team-card { background: var(--grad-card); border: 1px solid var(--line); border-radius: 12px; padding: 32px; display: flex; gap: 24px; align-items: flex-start; }
.team-avatar { width: 56px; height: 56px; border-radius: 50%; background: var(--grad-green); display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: 16px; font-weight: 700; color: #fff; flex-shrink: 0; }
.team-info h3 { margin: 0 0 4px; font-size: 18px; font-weight: 600; color: var(--ink-strong); letter-spacing: -0.01em; }
.team-role { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--green-deep); text-transform: uppercase; }
.team-info ul { list-style: none; padding: 0; margin: 16px 0 0; }
.team-info ul li { font-size: 13.5px; color: var(--ink-dim); padding: 5px 0 5px 18px; position: relative; line-height: 1.5; }
.team-info ul li::before { content: "·"; position: absolute; left: 0; color: var(--green-bright); font-weight: 700; }
.team-card-placeholder { background: var(--bg-soft); border: 1.5px dashed var(--line-bright); border-radius: 12px; padding: 32px; display: flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: 12px; color: var(--ink-mute); letter-spacing: 0.06em; min-height: 160px; }

@media (max-width: 960px) {
  .model-shell, .comp-shell, .prose-grid, .prose-grid.three, .pipeline, .split-vs, .sgiin, .timeline, .compare-3, .problem-grid, .team-grid, .mdv-models-grid, .cv-body { grid-template-columns: 1fr; }
  .mdv-col { border-right: none; border-bottom: 1px solid var(--line); }
  .cv-right { border-top: 1px solid var(--line); }
  .hero-metrics { grid-template-columns: repeat(3, 1fr); }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .section-head { flex-direction: column; gap: 16px; }
  .pipe-step::after, .sg-node::after, .timeline::before { display: none; }
  .refs ol { columns: 1; }
}

/* ═══════════════════════════════════════════════════════════════════
   MODEL DIAGRAM  (mdv-*)
═══════════════════════════════════════════════════════════════════ */
.mdv-shell { display: flex; flex-direction: column; gap: 0; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }

/* input node */
.mdv-input-node { display: flex; align-items: center; gap: 14px; padding: 18px 24px; background: var(--bg-card); border-bottom: 1px solid var(--line); transition: background 0.3s, box-shadow 0.3s; }
.mdv-input-node.pulse { animation: mdv-glow 1.2s ease-in-out infinite alternate; }
.mdv-input-node.active { background: var(--bg-tint); box-shadow: inset 0 -2px 0 var(--green-bright); }
@keyframes mdv-glow { from { box-shadow: inset 0 -2px 0 transparent; } to { box-shadow: inset 0 -2px 0 var(--green-glow); } }
.mdv-input-icon { width: 36px; height: 36px; border-radius: 8px; background: var(--grad-green); display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0; }
.mdv-input-label { font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: 0.12em; color: var(--green-deep); }
.mdv-input-sub { font-size: 12px; color: var(--ink-mute); margin-top: 2px; }

/* split row */
.mdv-split { display: flex; align-items: center; padding: 10px 24px; gap: 0; position: relative; background: var(--bg-card); border-bottom: 1px solid var(--line); }
.mdv-split-label { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); font-family: var(--mono); font-size: 9px; letter-spacing: 0.18em; color: var(--ink-mute); background: var(--bg-card); padding: 0 8px; }
.mdv-split-line { flex: 1; height: 2px; background: var(--line); transition: background 0.3s; }
.mdv-split-line.active { background: var(--green-bright); }
.mdv-split-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line-bright); border: 2px solid var(--bg-card); transition: background 0.3s; flex-shrink: 0; margin: 0 6px; }
.mdv-split-dot.pulse { animation: mdv-dot-pulse 0.9s ease-in-out infinite alternate; }
.mdv-split-dot.active { background: var(--green-bright); }
@keyframes mdv-dot-pulse { from { box-shadow: 0 0 0 0 rgba(47,162,88,0.4); } to { box-shadow: 0 0 0 6px rgba(47,162,88,0); } }

/* two-column grid */
.mdv-models-grid { display: grid; grid-template-columns: 1fr 1fr; }

/* column */
.mdv-col { padding: 0 0 16px; border-right: 1px solid var(--line); }
.mdv-col:last-child { border-right: none; }
.mdv-col.ltae .mdv-col-name { color: var(--green-deep); }
.mdv-col.lstm .mdv-col-name { color: #1a4a7a; }
.mdv-col-badge { padding: 12px 20px 10px; background: var(--bg-tint); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 2px; }
.mdv-col.lstm .mdv-col-badge { background: #eaf1fb; }
.mdv-col-name { font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: 0.1em; }
.mdv-col-meta { font-size: 11px; color: var(--ink-mute); font-family: var(--mono); }

/* layers */
.mdv-layers { display: flex; flex-direction: column; padding: 8px 0; }
.mdv-layer { display: flex; align-items: flex-start; gap: 10px; padding: 10px 20px; border-left: 3px solid transparent; transition: all 0.25s; cursor: default; }
.mdv-layer.done { opacity: 0.55; border-left-color: var(--green-glow); }
.mdv-layer.active { background: rgba(47,162,88,0.06); border-left-color: var(--green-bright); }
.mdv-col.lstm .mdv-layer.active { background: rgba(26,74,122,0.06); border-left-color: #4a8fd4; }
.mdv-col.lstm .mdv-layer.done { border-left-color: #a0c0e8; }
.mdv-layer.core .mdv-layer-name { color: var(--green-deep); }
.mdv-col.lstm .mdv-layer.core .mdv-layer-name { color: #1a4a7a; }
.mdv-layer.out-layer { border-top: 1px dashed var(--line); margin-top: 4px; }
.mdv-layer-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green-bright); flex-shrink: 0; margin-top: 5px; box-shadow: 0 0 0 3px rgba(47,162,88,0.2); }
.mdv-col.lstm .mdv-layer-dot { background: #4a8fd4; box-shadow: 0 0 0 3px rgba(74,143,212,0.2); }
.mdv-layer-name { font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 2px; }
.mdv-layer-detail { font-family: var(--mono); font-size: 10.5px; color: var(--ink-mute); line-height: 1.5; }

/* output */
.mdv-output-area { padding: 0 20px 20px; border-top: 1px solid var(--line); opacity: 0; transform: translateY(6px); transition: opacity 0.4s, transform 0.4s; pointer-events: none; }
.mdv-output-area.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.mdv-merge-lines { display: flex; justify-content: center; gap: 40%; height: 18px; padding-top: 0; }
.mdv-merge-line { width: 2px; background: linear-gradient(180deg, var(--green-bright), var(--green-glow)); }
.mdv-output-cards { display: flex; align-items: stretch; gap: 12px; margin-top: 4px; }
.mdv-out-plus { display: flex; align-items: center; font-size: 20px; font-weight: 300; color: var(--ink-mute); padding: 0 4px; }
.mdv-out-card { flex: 1; border-radius: 8px; padding: 14px 16px; border: 1.5px solid; }
.mdv-out-card.ltae-out { background: rgba(14,90,38,0.04); border-color: var(--green-glow); }
.mdv-out-card.lstm-out { background: rgba(26,74,122,0.04); border-color: #a0c0e8; }
.mdv-out-tag { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.16em; color: var(--ink-mute); margin-bottom: 6px; }
.mdv-out-val { font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.mdv-out-f1 { font-family: var(--mono); font-size: 11px; color: var(--green-deep); }
.mdv-out-card.lstm-out .mdv-out-f1 { color: #1a4a7a; }
.mdv-out-lat { font-family: var(--mono); font-size: 10px; color: var(--ink-mute); margin-top: 4px; }
.mdv-json-row { display: flex; align-items: center; gap: 8px; margin-top: 12px; padding: 10px 14px; background: var(--bg-tint); border-radius: 6px; opacity: 0; transform: translateY(4px); transition: opacity 0.35s 0.1s, transform 0.35s 0.1s; }
.mdv-json-row.visible { opacity: 1; transform: translateY(0); }
.mdv-json-code { font-family: var(--mono); font-size: 12px; color: var(--ink); }
.jk { color: var(--green-deep); font-weight: 500; }
.jv { color: #c17a24; }
.jn { color: #1a6aa8; }
.mdv-json-meta { font-family: var(--mono); font-size: 10.5px; color: var(--ink-mute); margin-left: 4px; }

/* ═══════════════════════════════════════════════════════════════════
   COMPRESSION VIZ  (cv-*)
═══════════════════════════════════════════════════════════════════ */
.cv-shell { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }

/* tabs */
.cv-tabs { display: flex; border-bottom: 1px solid var(--line); background: var(--bg-card); }
.cv-tab { flex: 1; display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 12px 18px; background: none; border: none; border-right: 1px solid var(--line); border-bottom: 3px solid transparent; cursor: pointer; transition: all 0.2s; }
.cv-tab:last-child { border-right: none; }
.cv-tab:hover { background: var(--bg-tint); }
.cv-tab.active { border-bottom-color: var(--green-bright); background: rgba(47,162,88,0.04); }
.cv-tab.is-deploy.active { border-bottom-color: var(--green-deep); background: rgba(14,90,38,0.06); }
.cv-tab-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; color: var(--ink-mute); font-weight: 500; text-align: left; }
.cv-tab.active .cv-tab-label { color: var(--green-deep); }
.cv-tab-size { font-size: 20px; font-weight: 700; color: var(--ink); font-family: var(--mono); line-height: 1.1; }
.cv-tab.is-deploy.active .cv-tab-size { color: var(--green-deep); }

/* body layout */
.cv-body { display: grid; grid-template-columns: 1fr 1.4fr; gap: 0; }

/* cards */
.cv-cards { display: flex; flex-direction: column; padding: 16px; gap: 10px; border-right: 1px solid var(--line); }
.cv-card { padding: 14px 16px; border-radius: 8px; border: 1.5px solid var(--line); background: var(--bg-card); cursor: pointer; transition: all 0.2s; }
.cv-card:hover { border-color: var(--green-glow); }
.cv-card.active { border-color: var(--green-bright); background: rgba(47,162,88,0.04); }
.cv-card.is-deploy.active { border-color: var(--green-deep); background: rgba(14,90,38,0.06); }
.cv-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.cv-card-name { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; color: var(--ink-mute); font-weight: 500; }
.cv-card.active .cv-card-name { color: var(--green-deep); }
.cv-card-badge { font-family: var(--mono); font-size: 9px; padding: 2px 7px; border-radius: 10px; font-weight: 600; letter-spacing: 0.1em; background: var(--green-deep); color: #fff; }
.cv-card-badge.alt { background: var(--green-glow); color: var(--green-deep); }
.cv-card-size { font-size: 28px; font-weight: 700; font-family: var(--mono); color: var(--ink); line-height: 1; margin-bottom: 8px; }
.cv-card-size span { font-size: 14px; font-weight: 400; color: var(--ink-mute); margin-left: 2px; }
.cv-card.is-deploy.active .cv-card-size { color: var(--green-deep); }
.cv-bar-track { height: 5px; background: var(--line); border-radius: 3px; margin-bottom: 10px; overflow: hidden; }
.cv-bar-fill { height: 100%; border-radius: 3px; transition: width 0.5s ease; }
.cv-card-stats { display: flex; flex-direction: column; gap: 4px; }
.cv-stat { display: flex; justify-content: space-between; font-size: 11.5px; }
.cv-stat-l { color: var(--ink-mute); font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; }
.cv-stat-v { font-family: var(--mono); font-size: 11.5px; font-weight: 500; color: var(--ink-dim); }
.cv-stat-v.good { color: var(--green-deep); font-weight: 600; }

/* right column */
.cv-right { padding: 16px 20px; display: flex; flex-direction: column; gap: 14px; }
.cv-pipeline-title { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--ink-mute); padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.cv-pipeline { display: flex; flex-direction: column; gap: 8px; }
.cv-pipe-row { display: grid; grid-template-columns: 180px 1fr 56px; align-items: center; gap: 10px; }
.cv-pipe-labelwrap { display: flex; flex-direction: column; gap: 1px; }
.cv-pipe-name { font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--ink); }
.cv-pipe-note { font-family: var(--mono); font-size: 9.5px; color: var(--ink-mute); }
.cv-pipe-track { height: 18px; background: rgba(0,0,0,0.05); border-radius: 3px; overflow: hidden; }
.cv-pipe-bar { height: 100%; border-radius: 3px; transition: width 0.4s ease; }
.cv-pipe-mb { font-family: var(--mono); font-size: 11px; font-weight: 600; color: var(--ink); text-align: right; }
.cv-result-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding-top: 12px; border-top: 1px solid var(--line); }
.cv-result-kpi { background: var(--bg-card); border: 1px solid var(--line); border-radius: 6px; padding: 10px 10px 8px; text-align: center; }
.cv-kpi-val { font-family: var(--mono); font-size: 17px; font-weight: 700; color: var(--green-deep); line-height: 1.1; }
.cv-kpi-label { font-family: var(--mono); font-size: 9px; color: var(--ink-mute); letter-spacing: 0.06em; margin-top: 3px; }
.cv-system-note { font-size: 12.5px; color: var(--ink-dim); line-height: 1.6; padding: 10px 12px; background: var(--bg-tint); border-radius: 6px; min-height: 44px; }

/* ═══════════════════════════════════════════════════════════════════
   INNOVATION CARDS  (innov-*)
═══════════════════════════════════════════════════════════════════ */
.innov-card { transition: transform 0.28s cubic-bezier(0.2,0,0.2,1), box-shadow 0.28s; overflow: hidden; position: relative; }
.innov-card::before { content: ""; position: absolute; top: -100%; left: 0; right: 0; height: 100%; background: linear-gradient(180deg, rgba(47,162,88,0.07) 0%, transparent 100%); transition: top 0.5s ease; pointer-events: none; }
.innov-card:hover { transform: translateY(-5px); box-shadow: 0 12px 36px rgba(14,90,38,0.13); }
.innov-card:hover::before { top: 0; }
.innov-card:hover .uplift { background: var(--green-deep); color: #fff; }

/* icon-a: orbital spin */
.innov-icon-a { animation: innov-orbit 7s linear infinite; }
@keyframes innov-orbit { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.innov-card:hover .innov-icon-a { animation-duration: 2s; }

/* icon-b: compress pulse */
.innov-icon-b { animation: innov-compress 3s ease-in-out infinite; }
@keyframes innov-compress { 0%,100% { transform: scale(1); } 40% { transform: scaleX(0.7) scaleY(1.15); } 60% { transform: scaleX(0.55) scaleY(1.3); } }
.innov-card:hover .innov-icon-b { animation-duration: 1.2s; }

/* icon-c: wave */
.innov-icon-c { animation: innov-wave 4s ease-in-out infinite; }
@keyframes innov-wave { 0%,100% { transform: translateX(0); } 30% { transform: translateX(3px); } 60% { transform: translateX(-3px); } }
.innov-card:hover .innov-icon-c { animation-duration: 1.5s; }

/* ═══════════════════════════════════════════════════════════════════
   MOBILE  (640px)
═══════════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .nav-panel-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .hero-metrics { grid-template-columns: repeat(2, 1fr); }
  .kpi-row { grid-template-columns: 1fr; }
  .mdv-models-grid { grid-template-columns: 1fr; }
  .mdv-col { border-right: none; border-bottom: 1px solid var(--line); }
  .cv-body { grid-template-columns: 1fr; }
  .cv-right { border-top: 1px solid var(--line); }
  .cv-pipe-row { grid-template-columns: 120px 1fr 50px; }
  .cv-result-row { grid-template-columns: repeat(2, 1fr); }
  .cv-tabs .cv-tab { padding: 10px 12px; }
  .cv-tab-size { font-size: 16px; }
  .compare-3 { grid-template-columns: 1fr; }
  .split-vs { grid-template-columns: 1fr; }
  h2 { font-size: 24px !important; }
  .hero h1 { font-size: 32px !important; }
}