:root {
  color-scheme: dark;
  --bg: #03080d;
  --surface: #07121b;
  --surface-2: #0b1a25;
  --surface-3: #0e202c;
  --line: #173746;
  --line-hot: #1d686d;
  --text: #edf8f6;
  --muted: #91a8b0;
  --dim: #5c7883;
  --teal: #28e1bd;
  --amber: #ffc857;
  --red: #ff6577;
  --max: 1540px;
  font-family: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; overflow-x: hidden; background: var(--bg); color: var(--text); font-size: 16px; }
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; background-image: linear-gradient(rgba(40,225,189,.022) 1px, transparent 1px), linear-gradient(90deg, rgba(40,225,189,.022) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, #000, transparent 80%); }
a { color: inherit; }
.section-pad { width: min(var(--max), calc(100% - 96px)); margin-inline: auto; }
.eyebrow { color: var(--teal); font: 700 12px/1.35 Consolas, monospace; letter-spacing: .18em; }
.muted-title { display: block; color: #8298a0; }

.site-header { position: sticky; top: 0; z-index: 50; min-height: 96px; display: grid; grid-template-columns: minmax(230px,1fr) auto minmax(500px,1fr); align-items: center; gap: 30px; padding: 14px 34px; border-bottom: 1px solid var(--line); background: rgba(3,8,13,.94); backdrop-filter: blur(18px); }
.wordmark { display: inline-flex; align-items: center; gap: 14px; width: max-content; text-decoration: none; }
.wordmark .mark { width: 52px; height: 52px; display: grid; place-items: center; flex: 0 0 auto; filter: drop-shadow(0 0 14px rgba(211,168,72,.18)); }
.wordmark .mark img { display: block; width: 100%; height: 100%; object-fit: contain; }
.wordmark strong, .wordmark small { display: block; }
.wordmark strong { font-size: 18px; letter-spacing: .19em; }
.wordmark small { margin-top: 6px; color: var(--teal); font: 700 12px/1 Consolas, monospace; letter-spacing: .12em; }
.site-header nav { display: flex; justify-content: center; gap: 25px; }
.site-header nav a { padding-block: 11px; color: #aebfc4; text-decoration: none; font: 700 15px/1 Consolas, monospace; letter-spacing: .075em; white-space: nowrap; }
.site-header nav a:hover { color: var(--teal); }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 12px; }
.language-switch { display: flex; align-items: center; gap: 3px; padding: 4px; border: 1px solid var(--line); background: #050d14; }
.language-switch > span { padding: 0 9px; color: var(--dim); font: 700 12px/1 Consolas, monospace; letter-spacing: .1em; }
.language-switch button { min-height: 37px; padding: 0 13px; border: 1px solid transparent; background: transparent; color: #93aab2; cursor: pointer; font: 700 12px/1 Consolas, monospace; letter-spacing: .06em; }
.language-switch button[aria-pressed="true"] { border-color: #28716f; background: rgba(40,225,189,.11); color: var(--teal); }
.header-cta { min-height: 47px; display: inline-flex; align-items: center; justify-content: center; padding: 0 19px; border: 1px solid #2c6172; color: #d8e8e7; text-decoration: none; font: 700 13px/1 Consolas, monospace; letter-spacing: .08em; white-space: nowrap; }
.header-cta:hover { border-color: var(--teal); color: var(--teal); }

.hero { min-height: calc(100vh - 88px); display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(52px, 7vw, 112px); align-items: center; padding-block: 82px; }
.hero h1 { margin: 22px 0 25px; max-width: 800px; font-size: clamp(52px, 5.3vw, 86px); line-height: .98; font-weight: 470; letter-spacing: -.045em; }
.lead { max-width: 700px; margin: 0; color: var(--muted); font-size: clamp(18px, 1.35vw, 21px); line-height: 1.7; }
.hero-actions { display: flex; gap: 12px; margin-top: 36px; }
.primary, .secondary { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 0 22px; text-decoration: none; font: 700 11px/1 Consolas, monospace; letter-spacing: .08em; }
.primary { border: 1px solid #2df0c9; background: linear-gradient(90deg, #24ddb8, #0ead91); color: #02100e; }
.secondary { border: 1px solid #2c5c6e; background: #07131d; color: #d1e0e2; }
.primary:hover, .secondary:hover { filter: brightness(1.12); }
.hero-readout { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 42px; color: var(--dim); font: 700 10px/1.25 Consolas, monospace; letter-spacing: .1em; }
.hero-readout span:first-child { color: var(--teal); }
.hero-readout b { font: inherit; }
.hero-readout i { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 12px var(--teal); }

.terminal-visual { border: 1px solid var(--line); border-top: 2px solid var(--teal); background: #050d14; box-shadow: 0 30px 100px rgba(0,0,0,.5); }
.visual-top, .visual-strip { display: flex; justify-content: space-between; padding: 14px 17px; color: var(--dim); font: 700 10px/1 Consolas, monospace; letter-spacing: .1em; }
.visual-top { border-bottom: 1px solid var(--line); }
.visual-top strong { color: var(--teal); }
.chart-grid { position: relative; min-height: 420px; overflow: hidden; background-image: linear-gradient(rgba(40,225,189,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(40,225,189,.045) 1px, transparent 1px); background-size: 36px 36px; }
.chart-grid svg { position: absolute; inset: 45px 28px 35px; width: calc(100% - 56px); height: calc(100% - 80px); }
.zone { position: absolute; left: 8%; right: 8%; height: 60px; border: 1px dashed; }
.zone span { position: absolute; right: 8px; top: 7px; font: 700 9px/1 Consolas, monospace; }
.zone.supply { top: 16%; border-color: rgba(255,101,119,.58); background: rgba(255,101,119,.08); color: var(--red); }
.zone.demand { bottom: 13%; border-color: rgba(40,225,189,.58); background: rgba(40,225,189,.08); color: var(--teal); }
.mapper { position: absolute; right: 0; bottom: 0; display: flex; gap: 18px; padding: 11px 14px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); background: #07121b; font: 700 9px/1 Consolas, monospace; }
.mapper span { color: var(--dim); }
.mapper strong { color: var(--teal); }
.visual-strip { gap: 0; padding: 0; border-top: 1px solid var(--line); }
.visual-strip span { width: 25%; padding: 14px; border-right: 1px solid var(--line); text-align: center; }
.visual-strip span:last-child { border: 0; color: var(--teal); }

.signal-band { display: grid; grid-template-columns: 1fr 52px 1fr 52px 1fr 52px 1fr; align-items: center; padding: 27px max(48px, calc((100vw - var(--max)) / 2)); border-block: 1px solid var(--line); background: #061018; }
.signal-band div { display: grid; grid-template-columns: 38px 1fr; column-gap: 13px; }
.signal-band span { grid-row: 1 / 3; color: var(--teal); font: 700 11px/1 Consolas, monospace; }
.signal-band strong { font: 700 12px/1 Consolas, monospace; letter-spacing: .11em; }
.signal-band small { margin-top: 7px; color: var(--dim); font-size: 12px; }
.signal-band > i { height: 1px; background: linear-gradient(90deg, var(--line-hot), transparent); }

.content-section { padding-block: 116px; }
.section-head { display: grid; grid-template-columns: 1fr minmax(330px, 490px); gap: 60px; align-items: end; margin-bottom: 48px; }
.section-head h2, .support-heading h2, .access-band h2, .security-copy h2 { margin: 14px 0 0; font-size: clamp(38px, 3.3vw, 58px); line-height: 1.08; font-weight: 490; letter-spacing: -.035em; }
.section-head > p, .support-heading > p, .access-band p, .security-copy > p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.product-card { position: relative; min-height: 510px; display: flex; flex-direction: column; padding: 29px; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(145deg, #08151f, #050d14); }
.product-card::after { content: ""; position: absolute; right: -64px; top: -64px; width: 132px; height: 132px; border: 1px solid #163947; transform: rotate(45deg); }
.product-card.featured { border-top: 2px solid var(--teal); }
.product-card.utility-card { border-top: 2px solid var(--amber); }
.product-code { color: var(--dim); font: 700 10px/1 Consolas, monospace; letter-spacing: .12em; }
.product-icon { width: 58px; height: 58px; display: grid; place-items: center; margin-top: 36px; border: 1px solid #256274; color: var(--teal); font: 700 14px/1 Consolas, monospace; }
.product-card h3 { margin: 29px 0 12px; font-size: 23px; font-weight: 570; }
.product-card > p { min-height: 82px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.product-card ul { display: grid; gap: 12px; padding: 23px 0 27px; margin: 0; border-top: 1px solid var(--line); list-style: none; }
.product-card li { color: #aabcc1; font-size: 13px; line-height: 1.45; }
.product-card li::before { content: "+"; margin-right: 9px; color: var(--teal); font-family: Consolas, monospace; }
.product-card > a { margin-top: auto; color: var(--teal); text-decoration: none; font: 700 11px/1.3 Consolas, monospace; letter-spacing: .07em; }
.product-card > a::after { content: " →"; float: right; }
.future-module { display: flex; justify-content: space-between; gap: 40px; margin-top: 15px; padding: 22px 27px; border: 1px dashed #224857; color: var(--dim); font: 700 11px/1.55 Consolas, monospace; }
.future-module strong { max-width: 760px; color: #91a8b0; text-align: right; }

.capabilities-section { padding-block: 116px; border-top: 1px solid var(--line); background: radial-gradient(circle at 50% 0, rgba(40,225,189,.055), transparent 38%), #03080d; }
.capability-mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.mode-manual { overflow: hidden; border: 1px solid var(--line); background: linear-gradient(145deg, #08151f, #050d14); }
.mode-manual.swing-manual { border-top: 2px solid #8d7be8; }
.mode-manual.scalp-manual { border-top: 2px solid var(--teal); }
.mode-manual > header { min-height: 150px; padding: 28px 30px; border-bottom: 1px solid var(--line); }
.mode-manual > header span { color: var(--teal); font: 700 12px/1 Consolas, monospace; letter-spacing: .12em; }
.mode-manual > header h3 { max-width: 600px; margin: 26px 0 0; font-size: 27px; line-height: 1.25; font-weight: 540; }
.module-list { display: grid; }
.module-list section { min-height: 155px; display: grid; grid-template-columns: 230px 1fr; gap: 28px; padding: 26px 30px; border-bottom: 1px solid var(--line); }
.module-list b { color: #dbe9e8; font: 700 12px/1.55 Consolas, monospace; letter-spacing: .055em; }
.module-list p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.mode-manual > a { min-height: 64px; display: flex; align-items: center; justify-content: space-between; padding: 0 30px; color: var(--teal); text-decoration: none; font: 700 12px/1 Consolas, monospace; letter-spacing: .08em; }
.mode-manual > a::after { content: "→"; font-size: 18px; }
.mode-manual > a:hover { background: rgba(40,225,189,.055); }
.shared-capability-strip { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 18px; border: 1px solid var(--line); background: var(--line); gap: 1px; }
.shared-capability-strip div { min-height: 150px; padding: 27px; background: #061018; }
.shared-capability-strip b, .shared-capability-strip span { display: block; }
.shared-capability-strip b { color: var(--teal); font: 700 12px/1 Consolas, monospace; letter-spacing: .08em; }
.shared-capability-strip span { margin-top: 18px; color: var(--muted); font-size: 14px; line-height: 1.7; }

.platform-section { border-block: 1px solid var(--line); background: linear-gradient(180deg, rgba(7,18,27,.72), rgba(3,8,13,.94)); }
.workspace-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.workspace-column { padding: 20px; border: 1px solid var(--line); background: #050d14; }
.workspace-column > header { min-height: 145px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; align-items: start; padding: 10px 8px 24px; }
.workspace-column > header span { color: var(--teal); font: 700 11px/1 Consolas, monospace; letter-spacing: .11em; }
.workspace-column > header h3 { margin: 13px 0 0; font-size: 28px; font-weight: 540; }
.workspace-column > header p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.workspace-shot { margin: 0 0 16px; overflow: hidden; border: 1px solid var(--line); background: #02070b; }
.workspace-shot:last-child { margin-bottom: 0; }
.workspace-shot img { display: block; width: 100%; aspect-ratio: 1710 / 919; object-fit: cover; }
.workspace-shot figcaption { min-height: 88px; display: grid; grid-template-columns: 190px 1fr; gap: 18px; align-items: center; padding: 18px 20px; border-top: 1px solid var(--line); }
.workspace-shot figcaption strong { color: var(--teal); font: 700 11px/1.4 Consolas, monospace; letter-spacing: .08em; }
.workspace-shot figcaption span { color: var(--muted); font-size: 13px; line-height: 1.55; }
.swing-column { border-top: 2px solid #8d7be8; }
.scalp-column { border-top: 2px solid var(--teal); }

.security-showcase { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(55px, 7vw, 105px); align-items: center; }
.security-copy h2 { max-width: 670px; }
.security-copy > p { max-width: 670px; margin-top: 24px; }
.security-points { display: grid; gap: 1px; margin: 34px 0; background: var(--line); }
.security-points > div { display: grid; grid-template-columns: 42px 185px 1fr; gap: 14px; align-items: start; padding: 18px; background: var(--surface); }
.security-points span { color: var(--teal); font: 700 10px/1.5 Consolas, monospace; }
.security-points strong { color: #dce9e8; font: 700 11px/1.5 Consolas, monospace; letter-spacing: .06em; }
.security-points p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.login-preview { margin: 0; border: 1px solid var(--line); border-top: 2px solid var(--teal); background: #02070b; box-shadow: 0 32px 90px rgba(0,0,0,.42); }
.preview-label { display: flex; justify-content: space-between; padding: 15px 18px; border-bottom: 1px solid var(--line); font: 700 10px/1 Consolas, monospace; letter-spacing: .1em; }
.preview-label span { color: var(--dim); }
.preview-label strong { color: var(--teal); }
.login-preview img { display: block; width: 100%; height: auto; }

.workflow-timeline { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.workflow-timeline article { min-height: 260px; padding: 27px; border-right: 1px solid var(--line); background: linear-gradient(145deg, #08151f, #050d14); }
.workflow-timeline article:last-child { border-right: 0; }
.workflow-timeline span { color: var(--teal); font: 700 11px/1 Consolas, monospace; }
.workflow-timeline h3 { margin: 48px 0 13px; font-size: 20px; font-weight: 550; }
.workflow-timeline p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }

.support-section { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(60px, 8vw, 130px); border-top: 1px solid var(--line); }
.support-heading > p { margin-top: 25px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: grid; grid-template-columns: 55px 1fr auto; align-items: center; padding: 28px 8px; cursor: pointer; list-style: none; color: #dce9e8; font-size: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; justify-self: end; color: var(--teal); font: 700 17px/1 Consolas, monospace; }
details[open] summary::after { content: "−"; }
summary span { color: var(--dim); font: 700 11px/1.5 Consolas, monospace; }
summary b { font-weight: 550; }
details > p { margin: -6px 46px 28px 63px; color: var(--muted); font-size: 14px; line-height: 1.75; }

.access-band { display: flex; align-items: center; justify-content: space-between; gap: 60px; padding: 72px max(48px, calc((100vw - var(--max)) / 2)); border-block: 1px solid var(--line); background: linear-gradient(90deg, #07131d, #092129); }
.access-band h2 { font-size: clamp(34px, 2.8vw, 48px); }
.access-band p { max-width: 820px; margin-top: 15px; }
.access-band .primary { flex: 0 0 auto; }
footer { min-height: 165px; display: grid; grid-template-columns: 1fr 2fr 1fr; gap: 40px; align-items: center; padding: 34px 42px; color: var(--dim); font-size: 12px; }
footer p { text-align: center; line-height: 1.65; }
footer > span { text-align: right; font-family: Consolas, monospace; }
.wordmark.compact .mark { width: 38px; height: 38px; }

/* Installation guide */
.guide-hero { min-height: 660px; display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(60px, 8vw, 130px); align-items: center; padding-block: 95px; }
.guide-hero h1 { margin: 22px 0 26px; font-size: clamp(50px, 5vw, 82px); line-height: .98; font-weight: 470; letter-spacing: -.045em; }
.guide-checklist { padding: 31px; border: 1px solid var(--line); border-top: 2px solid var(--teal); background: linear-gradient(145deg, #08151f, #050d14); }
.guide-checklist > span { color: var(--teal); font: 700 11px/1 Consolas, monospace; letter-spacing: .13em; }
.guide-checklist ol { display: grid; gap: 0; margin: 25px 0 0; padding: 0; list-style: none; counter-reset: checklist; }
.guide-checklist li { counter-increment: checklist; display: grid; grid-template-columns: 46px 1fr; gap: 15px; padding: 18px 0; border-top: 1px solid var(--line); color: #afc0c5; font-size: 14px; line-height: 1.6; }
.guide-checklist li::before { content: "0" counter(checklist); color: var(--teal); font: 700 11px/1.5 Consolas, monospace; }
.guide-chapter { display: grid; grid-template-columns: 230px 1fr; gap: clamp(55px, 8vw, 125px); padding-block: 105px; border-top: 1px solid var(--line); }
.chapter-index { color: var(--teal); font: 700 11px/1.45 Consolas, monospace; letter-spacing: .12em; }
.chapter-copy h2 { margin: -9px 0 20px; max-width: 950px; font-size: clamp(38px, 3.4vw, 58px); line-height: 1.07; font-weight: 490; letter-spacing: -.035em; }
.chapter-copy > p { max-width: 950px; margin: 0 0 32px; color: var(--muted); font-size: 16px; line-height: 1.75; }
.file-map { border: 1px solid var(--line); background: #050d14; }
.file-row { min-height: 74px; display: grid; grid-template-columns: 1.42fr .63fr 1fr; gap: 24px; align-items: center; padding: 15px 20px; border-top: 1px solid var(--line); }
.file-row:first-child { border-top: 0; }
.file-row code { overflow-wrap: anywhere; color: #d9e8e7; font: 600 13px/1.5 Consolas, monospace; }
.file-row span { color: var(--muted); font-size: 13px; line-height: 1.55; }
.file-head { min-height: 46px; background: #0a1822; }
.file-head span { color: var(--dim); font: 700 10px/1 Consolas, monospace; letter-spacing: .09em; }
.guide-warning { display: grid; grid-template-columns: 165px 1fr; gap: 20px; margin-top: 20px; padding: 20px 22px; border-left: 2px solid var(--amber); background: rgba(255,200,87,.055); }
.guide-warning strong { color: var(--amber); font: 700 11px/1.5 Consolas, monospace; letter-spacing: .07em; }
.guide-warning span { color: #abbabc; font-size: 13px; line-height: 1.65; }
.numbered-actions { display: grid; gap: 1px; margin: 38px 0 0; padding: 0; background: var(--line); list-style: none; counter-reset: actions; }
.numbered-actions li { counter-increment: actions; display: grid; grid-template-columns: minmax(220px,.45fr) 1fr; gap: 28px; padding: 23px; background: var(--surface); }
.numbered-actions b::before { content: "0" counter(actions) " / "; color: var(--teal); font-family: Consolas, monospace; }
.numbered-actions b { color: #dce9e8; font-size: 14px; }
.numbered-actions span { color: var(--muted); font-size: 14px; line-height: 1.65; }
.permission-grid, .mode-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 15px; }
.permission-grid article, .mode-grid article { min-height: 230px; padding: 28px; border: 1px solid var(--line); background: linear-gradient(145deg, #08151f, #050d14); }
.permission-grid article > span, .mode-grid article > span { color: var(--teal); font: 700 11px/1 Consolas, monospace; letter-spacing: .1em; }
.permission-grid h3, .mode-grid h3 { margin: 30px 0 13px; font-size: 22px; font-weight: 560; }
.permission-grid p, .mode-grid p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.permission-grid .server-url { grid-column: 1 / -1; min-height: 200px; }
.server-url code { display: block; width: max-content; max-width: 100%; margin: 0 0 14px; padding: 13px 16px; overflow-wrap: anywhere; border: 1px solid #24505d; background: #03090e; color: var(--teal); font: 600 13px/1.5 Consolas, monospace; }
.activation-flow { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.activation-flow li { display: grid; grid-template-columns: 76px 1fr; gap: 24px; padding: 29px 8px; border-bottom: 1px solid var(--line); }
.activation-flow li > span { color: var(--teal); font: 700 11px/1.5 Consolas, monospace; }
.activation-flow h3 { margin: 0 0 8px; font-size: 18px; }
.activation-flow p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.session-rules { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 27px; }
.session-rules div { min-height: 145px; padding: 21px; border: 1px solid var(--line); background: #07121b; }
.session-rules strong, .session-rules span { display: block; }
.session-rules strong { color: var(--teal); font: 700 11px/1.4 Consolas, monospace; letter-spacing: .07em; }
.session-rules span { margin-top: 13px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.guide-finish { display: flex; align-items: center; justify-content: space-between; gap: 45px; padding: 72px max(48px, calc((100vw - var(--max)) / 2)); border-block: 1px solid var(--line); background: linear-gradient(90deg, #07131d, #092129); }
.guide-finish h2 { margin: 13px 0 0; font-size: clamp(34px, 2.8vw, 48px); font-weight: 490; letter-spacing: -.03em; }

/* Professional brand framework and full product manual */
.brand-framework { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(50px,7vw,110px); align-items: center; padding-block: 88px; border-top: 1px solid var(--line); }
.brand-framework-head h2 { margin: 16px 0 20px; }
.brand-framework-head h2 span { display: block; font-size: clamp(44px,4.5vw,72px); font-weight: 350; letter-spacing: .13em; }
.brand-framework-head h2 small { display: block; margin-top: 18px; color: #c2d0d2; font-size: 20px; line-height: 1.45; font-weight: 520; letter-spacing: 0; }
.brand-framework-head p { max-width: 600px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.acronym-grid { display: grid; grid-template-columns: repeat(5,1fr); border: 1px solid var(--line); background: var(--line); gap: 1px; }
.acronym-grid article { min-height: 205px; display: flex; flex-direction: column; padding: 23px 18px; background: linear-gradient(145deg,#08151f,#050d14); }
.acronym-grid b { color: var(--teal); font: 500 34px/1 Consolas,monospace; }
.acronym-grid strong { margin-top: 38px; color: #dbe8e8; font: 700 11px/1 Consolas,monospace; letter-spacing: .1em; }
.acronym-grid span { margin-top: 13px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.chapter-intro { background: radial-gradient(circle at 55% 0,rgba(40,225,189,.045),transparent 36%); }
.workspace-anatomy { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid var(--line); background: var(--line); gap: 1px; }
.workspace-anatomy article { min-height: 210px; padding: 25px; background: #061018; }
.workspace-anatomy span { color: var(--teal); font: 700 11px/1 Consolas,monospace; }
.workspace-anatomy h3 { margin: 39px 0 15px; font: 700 13px/1 Consolas,monospace; letter-spacing: .08em; }
.workspace-anatomy p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.feature-chapter { padding-block: 125px; }
.feature-manual { display: grid; gap: 18px; }
.feature-group { border: 1px solid var(--line); background: #050d14; }
.feature-group > header { display: grid; grid-template-columns: 70px 1fr; gap: 20px; padding: 25px 27px; border-bottom: 1px solid var(--line); background: #091722; }
.feature-group > header > span { color: var(--teal); font: 700 12px/1.4 Consolas,monospace; }
.feature-group h3 { margin: 0 0 8px; font-size: 20px; font-weight: 580; letter-spacing: .035em; }
.feature-group header p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.feature-group dl { margin: 0; }
.feature-group dl > div { display: grid; grid-template-columns: 250px 1fr; gap: 30px; padding: 19px 27px; border-top: 1px solid #102934; }
.feature-group dl > div:first-child { border-top: 0; }
.feature-group dt { color: #d8e7e7; font: 700 12px/1.55 Consolas,monospace; letter-spacing: .045em; }
.feature-group dd { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.67; }
.subchapter-title { margin: 65px 0 22px; font-size: 30px; font-weight: 520; letter-spacing: -.025em; }
.control-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 15px; }
.control-grid.three-up { grid-template-columns: repeat(3,1fr); }
.control-grid article { min-height: 210px; padding: 26px; border: 1px solid var(--line); background: linear-gradient(145deg,#08151f,#050d14); }
.control-grid h4 { margin: 0 0 20px; color: var(--teal); font: 700 12px/1.35 Consolas,monospace; letter-spacing: .07em; }
.control-grid p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.72; }
.logic-callout,.bcm-logic { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 0 0 30px; }
.logic-callout > div,.bcm-logic article { padding: 27px; border: 1px solid var(--line); background: #07131c; }
.logic-callout strong,.logic-callout span,.bcm-logic span { display: block; }
.logic-callout strong,.bcm-logic > article > span { color: var(--teal); font: 700 12px/1.4 Consolas,monospace; letter-spacing: .07em; }
.logic-callout span { margin-top: 16px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.step-sequence { display: grid; grid-template-columns: repeat(2,1fr); gap: 15px; }
.step-sequence article { min-height: 245px; padding: 27px; border: 1px solid var(--line); background: linear-gradient(145deg,#08151f,#050d14); }
.step-sequence > article > span { color: var(--teal); font: 700 12px/1 Consolas,monospace; }
.step-sequence h3,.bcm-logic h3 { margin: 34px 0 14px; font-size: 22px; font-weight: 550; }
.step-sequence p,.bcm-logic p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.72; }
.control-table { margin-top: 22px; border: 1px solid var(--line); background: #050d14; }
.control-row { min-height: 72px; display: grid; grid-template-columns: 250px 1fr; gap: 28px; align-items: center; padding: 17px 22px; border-top: 1px solid var(--line); }
.control-row:first-child { border-top: 0; }
.control-row b,.control-row strong { color: #d9e8e7; font: 700 12px/1.45 Consolas,monospace; letter-spacing: .05em; }
.control-row span { color: var(--muted); font-size: 15px; line-height: 1.65; }
.control-head { min-height: 45px; background: #0a1822; }
.control-head strong { color: var(--dim); font-size: 10px; letter-spacing: .1em; }
.bcm-logic { margin-bottom: 22px; }
.bcm-logic article { min-height: 280px; }
.safety-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; }
.safety-grid article { min-height: 360px; padding: 28px; border: 1px solid var(--line); border-top: 2px solid var(--teal); background: linear-gradient(145deg,#08151f,#050d14); }
.safety-grid article > span { color: var(--teal); font: 700 11px/1 Consolas,monospace; letter-spacing: .1em; }
.safety-grid h4 { margin: 42px 0 16px; color: #dce9e8; font-size: 23px; line-height: 1.2; font-weight: 550; }
.safety-grid p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.72; }
.shortcut-groups { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; }
.shortcut-groups article { border: 1px solid var(--line); background: #050d14; }
.shortcut-groups header { display: grid; grid-template-columns: 42px 1fr; gap: 12px; align-items: center; min-height: 72px; padding: 18px 20px; border-bottom: 1px solid var(--line); background: #091722; }
.shortcut-groups header span { color: var(--teal); font: 700 11px/1 Consolas,monospace; }
.shortcut-groups h3 { margin: 0; color: #dce9e8; font: 700 12px/1.2 Consolas,monospace; letter-spacing: .08em; }
.shortcut-groups dl { margin: 0; }
.shortcut-groups dl > div { display: grid; grid-template-columns: minmax(95px,.7fr) 1.3fr; gap: 14px; min-height: 58px; align-items: center; padding: 12px 18px; border-top: 1px solid #102934; }
.shortcut-groups dl > div:first-child { border-top: 0; }
.shortcut-groups dt { color: var(--teal); font: 700 12px/1.35 Consolas,monospace; }
.shortcut-groups dd { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.45; }
.numpad-map { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; padding: 16px; border: 1px solid var(--line); background: #03090e; }
.numpad-key { min-height: 100px; display: flex; flex-direction: column; justify-content: space-between; gap: 16px; padding: 18px; border: 1px solid #173541; background: linear-gradient(145deg,#091923,#050d14); }
.numpad-key b { color: var(--teal); font: 700 13px/1 Consolas,monospace; }
.numpad-key span { color: #d8e7e7; font: 700 12px/1.35 Consolas,monospace; letter-spacing: .045em; }
.numpad-key small { display: block; margin-top: 7px; color: var(--amber); font-size: 9px; }
.numpad-key.reserved { opacity: .62; }
.shortcut-safety { margin-top: 22px; }

@media (max-width: 1350px) {
  .site-header { grid-template-columns: minmax(210px,1fr) auto; }
  .site-header nav { display: none; }
  .product-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 1050px) {
  .section-pad { width: min(var(--max), calc(100% - 52px)); }
  .hero, .security-showcase, .guide-hero { grid-template-columns: 1fr; min-height: auto; }
  .terminal-visual, .login-preview { max-width: 900px; }
  .workspace-compare, .capability-mode-grid { grid-template-columns: 1fr; }
  .shared-capability-strip { grid-template-columns: 1fr; }
  .workflow-timeline { grid-template-columns: repeat(2,1fr); }
  .workflow-timeline article:nth-child(2) { border-right: 0; }
  .workflow-timeline article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .support-section, .guide-chapter, .brand-framework { grid-template-columns: 1fr; }
  .guide-chapter { gap: 36px; }
  .acronym-grid { grid-template-columns: repeat(5,1fr); }
  .workspace-anatomy { grid-template-columns: repeat(2,1fr); }
  .control-grid.three-up { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .section-pad { width: min(100% - 32px, var(--max)); }
  .site-header { min-height: 76px; padding: 10px 16px; }
  .wordmark .mark { width: 38px; height: 38px; }
  .wordmark strong { font-size: 12px; }
  .wordmark small { font-size: 8px; }
  .header-actions { gap: 6px; }
  .language-switch > span, .header-cta { display: none; }
  .language-switch button { padding-inline: 8px; }
  .hero { padding-block: 65px; }
  .hero h1, .guide-hero h1 { font-size: clamp(42px,12vw,60px); }
  .hero-actions { flex-direction: column; }
  .chart-grid { min-height: 300px; }
  .signal-band { grid-template-columns: 1fr 1fr; gap: 24px; padding: 24px 20px; }
  .signal-band > i { display: none; }
  .content-section, .guide-chapter { padding-block: 82px; }
  .section-head { grid-template-columns: 1fr; gap: 22px; }
  .product-grid, .workflow-timeline, .permission-grid, .mode-grid, .session-rules, .acronym-grid, .workspace-anatomy, .control-grid, .control-grid.three-up, .logic-callout, .bcm-logic, .step-sequence, .safety-grid, .shortcut-groups { grid-template-columns: 1fr; }
  .product-card { min-height: 0; }
  .workspace-column { padding: 12px; }
  .workspace-column > header, .workspace-shot figcaption { grid-template-columns: 1fr; min-height: 0; }
  .module-list section { grid-template-columns: 1fr; min-height: 0; padding: 22px; }
  .workspace-shot figcaption { gap: 8px; }
  .security-points > div { grid-template-columns: 38px 1fr; }
  .security-points p { grid-column: 2; }
  .workflow-timeline article, .workflow-timeline article:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .workflow-timeline article:last-child { border-bottom: 0; }
  .access-band, .guide-finish { align-items: flex-start; flex-direction: column; padding-inline: 22px; }
  .access-band .primary, .guide-finish .primary { width: 100%; }
  footer { grid-template-columns: 1fr; text-align: center; }
  footer .wordmark { margin-inline: auto; }
  footer > span { text-align: center; }
  .file-row { grid-template-columns: 1fr; gap: 8px; padding-block: 19px; }
  .file-head { display: none; }
  .permission-grid .server-url { grid-column: auto; }
  .guide-warning, .numbered-actions li { grid-template-columns: 1fr; }
  .activation-flow li { grid-template-columns: 44px 1fr; gap: 13px; }
  .feature-group dl > div, .control-row { grid-template-columns: 1fr; gap: 8px; }
  .feature-group > header { grid-template-columns: 42px 1fr; }
  .numpad-map { grid-template-columns: 1fr; }
  .future-module { flex-direction: column; }
  .future-module strong { text-align: left; }
}