.concept-page { --maxw: 1400px; }
.concept-page::before { opacity: .28; }
.concept-page .site-header { border-bottom-color: color-mix(in srgb,var(--border) 65%,transparent); }
.concept-hero { padding: 72px 0 0; overflow: hidden; position: relative; }
.concept-hero-grid { display: grid; grid-template-columns: .94fr 1.16fr; align-items: center; gap: 8px; min-height: 560px; }
.concept-copy { z-index: 1; padding-bottom: 38px; }
.concept-kicker { font: 10px/1.7 var(--mono); letter-spacing: .16em; color: var(--mute); display: flex; align-items: center; gap: 12px; }
.concept-kicker > span:first-child { width: 22px; height: 2px; background: linear-gradient(90deg,var(--it) 50%,var(--accent) 50%); }
.concept-copy h1 { font-size: clamp(44px,4.3vw,66px); line-height: 1.09; letter-spacing: -.055em; margin: 25px 0 25px; font-weight: 600; white-space: nowrap; }
.concept-blue { color: var(--it); }
.concept-orange { color: var(--accent); }
.concept-lead { color: var(--text); font-size: clamp(17px,1.42vw,20px); line-height: 1.65; letter-spacing: -.02em; }
.concept-description { color: var(--mute); font-size: 14px; line-height: 1.8; margin-top: 16px; }
.concept-actions { display: flex; align-items: center; gap: 26px; margin-top: 30px; }
.concept-actions .concept-primary { background: var(--surface-2); padding: 14px 22px; border: 1px solid var(--border-2); box-shadow: inset 0 1px 0 rgba(255,255,255,.04); border-radius: 9px; font-size: 13px; }
.concept-primary span { color: var(--accent); }
.concept-text-link { font-size: 12px; color: var(--dim); display: inline-flex; align-items: center; gap: 14px; }
.concept-text-link:hover { color: var(--text); }
.concept-audience { margin-top: 41px; padding-left: 15px; border-left: 1px solid var(--border-2); }
.concept-audience > span { font: 8px var(--mono); letter-spacing: .18em; color: var(--mute); }
.concept-audience p { color: var(--dim); font-size: 12px; margin-top: 6px; }
.concept-system { position: relative; min-width: 0; align-self: stretch; padding-top: 5px; }
.concept-art-label { display: flex; align-items: center; gap: 17px; font: 8px var(--mono); letter-spacing: .18em; padding-inline: 38px 22px; color: var(--mute); }
.concept-art-line { flex: 1; height: 1px; background: var(--border); }
.concept-art { position: relative; margin-top: 8px; }
.concept-art-glow { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse 28% 42% at 28% 50%,rgba(103,169,243,.07),transparent 100%),radial-gradient(ellipse 28% 42% at 72% 50%,rgba(255,134,47,.065),transparent 100%); }
.concept-system-svg { width: 100%; overflow: visible; }
.rack-side { fill: var(--bg-2); stroke: var(--it-line); stroke-width: 1; }
.rack-front { fill: url(#concept-rack-face); stroke: var(--it); stroke-opacity: .6; stroke-width: 1.25; }
.rack-edge { fill: none; stroke: var(--it); stroke-opacity: .35; stroke-width: 1; }
.rack-unit rect { fill: var(--bg-2); stroke: var(--it); stroke-opacity: .4; stroke-width: 1; }
.rack-unit path { fill: none; stroke: var(--it); stroke-opacity: .35; }
.rack-vents { stroke-width: 2.5; }
.rack-led, .rack-beacon { fill: var(--it); animation: concept-led 5s ease-in-out infinite; animation-delay: calc(var(--unit,0) * -.6s); }
.rack-led.warm { fill: var(--accent); }
.rack-brand { font: 9px var(--mono); fill: var(--dim); letter-spacing: 1.8px; }
.flow-base { stroke-width: 1; opacity: .3; }
.flow-signal { stroke-width: 2; stroke-dasharray: 26 360; animation: concept-flow 5s linear infinite; animation-delay: var(--phase,0s); }
.concept-neurons { fill: var(--bg); stroke: var(--accent); stroke-width: 1.5; }
.concept-neurons circle { animation: concept-neuron 5s ease-in-out infinite; }
.concept-neurons circle:nth-child(2n) { animation-delay: -1.5s; }
.concept-art-caption { font: 8px var(--mono); letter-spacing: 1.5px; fill: var(--mute); }
.concept-system-bottom { display: flex; align-items: center; justify-content: space-between; padding: 0 22px 0 38px; margin-top: -5px; }
.concept-mode-controls { display: inline-flex; gap: 3px; border-bottom: 1px solid var(--border); }
.concept-mode-controls button { background: none; border: 0; border-bottom: 1px solid transparent; padding: 9px 14px; color: var(--mute); font-size: 11px; margin-bottom: -1px; }
.concept-mode-controls button[aria-pressed="true"] { color: var(--text); border-bottom-color: var(--accent); }
.concept-motion { background: transparent; color: var(--mute); border: 1px solid var(--border); border-radius: 50%; width: 29px; height: 29px; font-size: 11px; }
.concept-system-note { padding: 14px 22px 0 38px; color: var(--mute); font-size: 11px; min-height: 38px; }
.concept-rack,.concept-brain,.concept-flow { transition: opacity .5s ease; }
[data-system-mode="it"] .concept-brain { opacity: .25; }
[data-system-mode="ai"] .concept-rack { opacity: .25; }
.concept-path { display: flex; align-items: center; margin-top: 30px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding-block: 21px; }
.concept-path a { display: flex; align-items: center; gap: 11px; font-size: 12px; white-space: nowrap; color: var(--dim); flex: 1; }
.concept-path a:hover { color: var(--text); }
.concept-path a .ui-icon { width: 20px; height: 20px; flex: none; opacity: .85; }
.concept-path-connector { width: 45px; margin: 0 20px; height: 1px; background: var(--border); }
.concept-directions { padding-top: 94px; padding-bottom: 65px; }
.concept-directions-head { display: grid; grid-template-columns: 1fr 2fr; gap: 32px; align-items: start; margin-bottom: 46px; }
.concept-directions-head .concept-kicker { margin-top: 8px; }
.concept-directions-head h2 { font-size: clamp(27px,2.7vw,38px); font-weight: 500; line-height: 1.3; letter-spacing: -.04em; }
.concept-directions-head h2 span { color: var(--mute); }
.concept-service { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--border); border-radius: 16px; background: linear-gradient(120deg,var(--bg-2),var(--bg)); overflow: hidden; margin-bottom: 24px; position: relative; }
.concept-service::before { content: ""; position: absolute; top: 0; left: 0; right: 40%; height: 1px; background: linear-gradient(90deg,transparent,var(--it),transparent); opacity: .65; }
.concept-ai::before { left: 40%; right: 0; background: linear-gradient(90deg,transparent,var(--accent),transparent); }
.concept-service-copy { padding: 42px 0 38px 42px; position: relative; z-index: 1; }
.concept-service-copy .concept-kicker .ui-icon { width: 23px; height: 23px; }
.concept-service h2 { font-size: clamp(26px,2.6vw,37px); line-height: 1.23; letter-spacing: -.045em; margin: 20px 0 16px; font-weight: 500; }
.concept-service-lead { font-size: 14px; color: var(--dim); max-width: 46ch; line-height: 1.75; }
.concept-service-tabs { margin-top: 26px; max-width: 440px; }
.concept-service-tabs button { width: 100%; display: flex; align-items: center; gap: 15px; text-align: left; padding: 13px 10px 13px 0; background: transparent; border: 0; border-top: 1px solid var(--border); }
.concept-service-tabs .ui-icon { width: 24px; height: 24px; opacity: .55; }
.concept-service-tabs button > span { flex: 1; font-size: 13px; color: var(--dim); }
.concept-service-tabs small { display: block; font-size: 11px; color: var(--mute); margin-top: 3px; }
.concept-service-tabs b { color: var(--mute); font-size: 15px; font-weight: 400; }
.concept-service-tabs [aria-pressed="true"] > span { color: var(--text); }
.concept-service-tabs [aria-pressed="true"] .ui-icon { opacity: 1; }
.concept-service-tabs [aria-pressed="true"] b { color: var(--it); }
.concept-service-tabs button:hover > span { color: var(--it); }
.concept-section-link { display: flex; align-items: center; gap: 30px; margin-top: 26px; font-size: 12px; font-weight: 600; }
.concept-section-link span { color: var(--it); transition: transform .2s; }
.concept-ai .concept-section-link span { color: var(--accent); }
.concept-section-link:hover span { transform: translate(2px,-2px); }
.concept-equipment,.concept-neural-visual { min-width: 0; padding: 33px 32px 26px; display: flex; flex-direction: column; justify-content: space-between; align-items: center; }
.concept-visual-overline { color: var(--mute); font: 8px/1.5 var(--mono); letter-spacing: .12em; text-align: center; }
.concept-equipment-stage { position: relative; width: min(100%,400px); margin: -4px auto -15px; }
.concept-equipment-stage img { position: relative; width: 100%; height: auto; z-index: 1; filter: drop-shadow(0 20px 32px rgba(0,0,0,.2)); }
.concept-equipment-orbit { position: absolute; inset: 10%; border-radius: 50%; background: radial-gradient(circle,rgba(103,169,243,.065),transparent 65%); }
.concept-equipment-caption { align-self: stretch; padding-top: 16px; border-top: 1px solid var(--border); display: flex; gap: 11px; align-items: start; }
.concept-caption-dot { width: 5px; height: 5px; background: var(--it); border-radius: 50%; margin-top: 7px; }
.concept-equipment-caption strong { font-size: 12px; font-weight: 500; }
.concept-equipment-caption p { font-size: 11px; color: var(--mute); margin-top: 4px; }
.concept-ai .concept-service-copy { order: 2; padding: 42px 36px 38px 14px; }
.concept-ai-tabs { display: flex; gap: 7px; margin-top: 29px; flex-wrap: wrap; }
.concept-ai-tabs button { border: 1px solid var(--border); border-radius: 7px; background: transparent; color: var(--mute); font-size: 11px; padding: 9px 12px; }
.concept-ai-tabs button[aria-pressed="true"] { color: var(--text); background: var(--accent-soft); border-color: var(--accent-line); }
.concept-ai-description { margin-top: 22px; min-height: 112px; max-width: 43ch; }
.concept-ai-description h3 { font-size: 16px; font-weight: 500; line-height: 1.5; }
.concept-ai-description p { color: var(--mute); font-size: 13px; line-height: 1.75; margin-top: 10px; }
.concept-neural-stage { position: relative; width: min(100%,405px); margin: -8px 0 10px; flex-shrink: 0; }
.concept-neural-stage img { width: 100%; height: auto; }
.concept-neural-dot { position: absolute; width: 8px; height: 8px; border-radius: 50%; border: 1px solid var(--accent); background: var(--bg); box-shadow: 0 0 0 5px var(--accent-soft); transition: all .4s; }
.n1 { left: 28%; top: 28%; }.n2 { left: 66%; top: 40%; }.n3 { left: 44%; top: 71%; }
[data-ai-visual="documents"] .n1,[data-ai-visual="assistant"] .n2,[data-ai-visual="local"] .n3 { background: var(--accent); box-shadow: 0 0 0 7px var(--accent-soft),0 0 20px var(--accent-line); }
.concept-scenario-label { flex: none; max-width: 100%; margin: 0 0 18px; font: 11px/1.5 var(--mono); text-align: center; padding: 9px 15px; background: var(--surface); border: 1px solid var(--accent-line); border-radius: 6px; color: var(--text); }
.concept-neural-process { display: flex; justify-content: center; align-items: center; gap: 17px; border-top: 1px solid var(--border); padding-top: 17px; align-self: stretch; font-size: 10px; color: var(--mute); }
.concept-neural-process i { color: var(--accent); font-style: normal; }.concept-neural-process strong { font-weight: 500; color: var(--text); }


.concept-page .section { padding-block: 75px; }
.concept-page :focus-visible { outline: 2px solid var(--it); outline-offset: 5px; }
.concept-is-paused .concept-system * { animation-play-state: paused !important; }
[data-theme="light"] .concept-page .rack-edge,
[data-theme="light"] .concept-page .rack-unit path,
[data-theme="light"] .concept-page .rack-unit rect { stroke-opacity: .7; }
[data-theme="light"] .concept-page .flow-base { opacity: .55; }
[data-theme="light"] #concept-wire stop { stop-color: var(--it); }
[data-theme="light"] #concept-wire stop:last-child { stop-color: var(--accent); }
@keyframes concept-flow { to { stroke-dashoffset: -386; } }
@keyframes concept-led { 0%,60%,100% { opacity: .9; } 65%,75% { opacity: .25; } }
@keyframes concept-neuron { 0%,65%,100% { fill: var(--bg); } 72%,82% { fill: var(--accent); } }
@media(min-width:1500px) { .concept-hero { padding-top: 90px; }.concept-hero-grid { min-height: 650px; }.concept-copy h1 { font-size: 69px; } }
@media(max-width:1100px) { .concept-hero { padding-top: 48px; }.concept-hero-grid { min-height: 510px; }.concept-copy h1 { font-size: 45px; }.concept-actions { gap: 15px; }.concept-text-link { font-size: 11px; }.concept-art-label { font-size: 7px; padding-inline: 20px 0; }.concept-system { align-self: center; }.concept-service-copy { padding: 30px 0 30px 28px; }.concept-ai .concept-service-copy { padding: 30px 25px 30px 5px; }.concept-service h2 { font-size: 29px; }.concept-path-connector { width: 18px; margin: 0 12px; }.concept-path a { font-size: 10px; }.concept-equipment,.concept-neural-visual { padding-inline: 24px; } }
@media(max-width:800px) {
 .concept-hero { padding-top: 40px; }.concept-hero-grid { grid-template-columns: 1fr; gap: 22px; }.concept-copy { padding-bottom: 0; }.concept-copy h1 { font-size: clamp(38px,7.8vw,58px); margin: 20px 0; white-space: normal; }.concept-kicker { font-size: 9px; }.concept-lead { font-size: 17px; }.concept-description { font-size: 13px; }.desktop-break { display: none; }.concept-actions { gap: 25px; }.concept-audience { display: none; }.concept-system { max-width: 620px; width: 100%; margin-inline: auto; }.concept-art-label { padding-inline: 14px; font-size: 7px; }.concept-system-bottom { padding-inline: 14px; }.concept-system-note { padding-inline: 14px; }.concept-path { margin-top: 30px; flex-wrap: wrap; padding-block: 7px; }.concept-path a { flex-basis: 100%; padding-block: 12px; font-size: 12px; }.concept-path a+a { border-top: 1px solid var(--border); }.concept-path-connector { display: none; }
 .concept-directions { padding-top: 54px; padding-bottom: 25px; }.concept-directions-head { grid-template-columns: 1fr; gap: 18px; margin-bottom: 27px; }.concept-directions-head .concept-kicker br { display: none; }.concept-directions-head h2 { font-size: 27px; }.concept-service { grid-template-columns: 1fr; border-radius: 12px; }.concept-service-copy,.concept-ai .concept-service-copy { padding: 27px 25px 0; order: 0; }.concept-service h2 { font-size: 29px; }.concept-service-lead { font-size: 14px; }.concept-service-tabs { max-width: none; }.concept-service-tabs button > span { font-size: 14px; }.concept-section-link { font-size: 12px; }.concept-equipment,.concept-neural-visual { padding: 28px 25px 24px; }.concept-visual-overline { display: none; }.concept-equipment-stage { max-width: 330px; margin-top: -24px; margin-bottom: 12px; flex-shrink: 0; }.concept-neural-stage { max-width: 330px; margin-top: -12px; margin-bottom: 12px; flex-shrink: 0; }.concept-ai-description { min-height: 110px; }.concept-page .section { padding-block: 50px; }
}

@media(max-width:360px) { .concept-actions { gap: 14px; }.concept-actions .concept-primary { padding: 12px 14px; font-size: 12px; }.concept-text-link { font-size: 10px; gap: 5px; }.concept-service-copy,.concept-ai .concept-service-copy { padding-inline: 18px; }.concept-service h2 { font-size: 25px; }.concept-ai-tabs { gap: 5px; }.concept-ai-tabs button { padding: 8px; font-size: 10px; }.concept-copy h1 { font-size: 36px; } }
@media(prefers-reduced-motion:reduce) { .concept-page *, .concept-page *::before, .concept-page *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }