:root { --blue: #2563eb; --blue-light: #91bdff; }
.hero { padding: 160px 0 0; min-height: 0; background: radial-gradient(ellipse at 87% 32%, #154698 0%, transparent 46%), #061426; }
.hero::before { opacity: .15; background-size: 58px 58px; }
.hero-grid { grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
h1 { font-size: clamp(3.4rem, 5.9vw, 5.3rem); line-height: 1.02; letter-spacing: -.055em; }
.hero-copy > p:not(.eyebrow) { font-size: 1.12rem; line-height: 1.7; color: #b8c9df; }
.eyebrow, .card-label, .step span, .principle-index, .focus-row span:first-child { font-size: .875rem; }
.hero .eyebrow { letter-spacing: .09em; }
.button { border-radius: 6px; }
.commercial-system { min-width: 0; border: 1px solid #5388d84d; border-radius: 20px; background: linear-gradient(145deg,#102a4de8,#07172cee); box-shadow: 0 38px 90px #0005,0 0 65px #2869ff18; padding: 25px 20px 20px; }
.system-heading { display: flex; justify-content: space-between; gap: 12px; padding: 0 5px; align-items: center; }
.motion-control { padding: 6px 8px; background: transparent; border: 1px solid #77a8f23d; border-radius: 5px; color: #b8c9df; font: inherit; font-size: .8125rem; cursor: pointer; flex-shrink: 0; }
.motion-control:hover { background: #ffffff12; color: #fff; }
:focus-visible { outline: 2px solid #87b4ff; outline-offset: 5px; }
.card-label { color: #b8c9df; letter-spacing: .09em; }
.system-index { color: #91bdff; font-size: .875rem; }
.system-map { position: relative; margin-top: 24px; padding: 35px 0 18px; display: flex; flex-direction: column; }
.connections { position: absolute; inset: 0; width: 100%; height: 100%; fill: none; }
.track { stroke: #6a9de73d; stroke-width: 1.5; }
.flow { stroke: #91bdff; stroke-width: 2.5; stroke-linecap: round; stroke-dasharray: 8 22; opacity: .7; animation: data-flow 4s linear infinite; }
.flow-two { animation-delay: -1.3s; }
.flow-three { animation-delay: -2.6s; }
.flow-four { stroke: #c0dbff; animation-duration: 3s; }
.flow-return { stroke: #5287db; stroke-width: 1.5; }
.source-nodes { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; position: relative; }
.source-node { min-height: 78px; padding: 12px 5px; border: 1px solid #77a8f23d; border-radius: 10px; background: #102846; text-align: center; }
.source-node b { display: block; font-size: .92rem; overflow-wrap: anywhere; }
.source-node > span:last-child { display: block; color: #b8c9df; font-size: .875rem; margin-top: 4px; }
.node-symbol { display: none; }
.ai-node { position: relative; margin: 58px 10% 0; min-height: 92px; display: flex; align-items: center; gap: 16px; padding: 18px; border: 1px solid #77a8f29c; border-radius: 14px; background: linear-gradient(125deg,#1755bb,#153a75); box-shadow: 0 0 36px #347bff35; }
.ai-label { position: relative; flex-shrink: 0; width: 52px; height: 52px; display: grid; place-items: center; border: 1px solid #ffffff80; border-radius: 50%; font-size: 1.45rem; font-weight: 760; }
.ai-orbit { display: none; }
.ai-node b { font-size: 1rem; line-height: 1.35; display: block; }
.ai-node div > span { display: block; font-size: .875rem; line-height: 1.4; color: #d0e1ff; margin-top: 5px; }
.sales-node { position: relative; margin: 18px 0 0 13%; padding: 17px; display: flex; align-items: center; gap: 13px; border: 1px solid #77a8f24d; border-radius: 10px; background: #0c2542; }
.sales-symbol { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; color: #91bdff; background: #205095; font-size: 1.15rem; }
.sales-node b { display: block; font-size: 1rem; }
.sales-node div > span { display: block; font-size: .875rem; color: #b8c9df; }
.feedback-label { position: relative; align-self: flex-start; margin: 20px 0 0 7%; font-size: .875rem; color: #91bdff; background: #0c203a; padding: 3px 6px; }
.system-caption { margin: 0; padding: 17px 5px 0; border-top: 1px solid #77a8f229; color: #b8c9df; font-size: .92rem; }
.proof-strip { margin-top: 65px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-top: 1px solid #ffffff26; padding: 25px 0; color: #b8c9df; }
.proof-strip p { margin: 0; font-size: .94rem; }
.proof-strip p:first-child { display: flex; align-items: center; gap: 13px; }
.proof-strip strong { color: #fff; font-size: 2rem; letter-spacing: -.04em; }
.ai-node { animation: ai-focus 5s ease-in-out infinite; }
.motion-paused *, .motion-paused *::before, .motion-paused *::after { animation-play-state: paused !important; }
.service-grid { gap: 0; border-top: 1px solid var(--line); }
.service { display: flex; flex-direction: column; min-height: 350px; border: 0; border-radius: 0; border-bottom: 1px solid var(--line); background: #fff; padding: 38px; }
.service:nth-child(odd) { border-right: 1px solid var(--line); }
.service:nth-child(2) { background: #edf4ff; }
.service h3 { margin: 40px 0 17px; font-size: 1.7rem; max-width: 380px; }
.service-number { border-radius: 50%; background: #e8f0ff; color: #1853b6; font-size: .875rem; }
.service p { font-size: 1rem; line-height: 1.7; }
.service .service-output { border-top: 1px solid var(--line); padding-top: 17px; margin-top: 25px; color: #1853b6; font-size: .875rem; font-weight: 650; }
.service:hover { transform: none; box-shadow: none; background: #f3f7ff; }
.section-head { align-items: start; }
.section-head > div { max-width: 650px; }
.section-head > p { padding-top: 36px; font-size: 1rem; line-height: 1.7; }
.section-title { font-size: clamp(2.2rem,4.3vw,3.8rem); line-height: 1.08; }
.method { background: linear-gradient(130deg,#061426,#0d2850); }
.method .section-head p, .step p { color: #b8c9df; }
.step h3 { font-size: 1.55rem; line-height: 1.2; }
.step { padding-bottom: 15px; }
.intro { gap: 70px; }
.principles { border: 0; border-radius: 0; background: transparent; }
.principle { background: transparent; border-top: 1px solid var(--line); padding: 24px 0; }
.principle p { font-size: 1rem; }
.fit-description { color: var(--muted); margin: 25px 0 0; font-size: 1rem; line-height: 1.7; }
#fit { background: #fff; }
.focus-panel { border-radius: 12px; background: #e9f1ff; border: 1px solid #2563eb20; }
.focus-panel h3 { line-height: 1.25; }
.focus-row { grid-template-columns: 100px 1fr; }
.focus-row span:last-child { font-size: 1rem; }
.closing { background: #fff; padding-bottom: 80px; }
.closing-card { border-radius: 14px; }
.footer-row { font-size: .875rem; }
.nav { flex-wrap: wrap; }
.nav-actions { margin-left: auto; }
.reveal { opacity: 1; transform: none; }
@keyframes data-flow { to { stroke-dashoffset: -120; } }
@keyframes ai-focus { 0%,100% { box-shadow: 0 0 28px #347bff25; } 50% { box-shadow: 0 0 48px #347bff50; } }
@media(max-width: 1050px) { .hero-grid { gap: 32px; } .hero .eyebrow { font-size: .8rem; } }
@media(max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 48px; } .hero-copy { max-width: 690px; } .commercial-system { width: min(100%,620px); } .proof-strip { margin-top: 45px; } .service:nth-child(odd) { border-right: 0; } .section-head > p { padding-top: 0; } }
@media(max-width: 620px) { .hero { padding: 132px 0 0; } h1 { font-size: clamp(2.9rem,12vw,4.4rem); } .hero .eyebrow { letter-spacing: .035em; } .commercial-system { padding: 20px 12px 18px; } .card-label { font-size: .8125rem; } .motion-control { font-size: .8125rem; padding: 6px; } .system-heading { gap: 10px; } .source-nodes { gap: 7px; } .source-node b { font-size: .875rem; } .source-node > span:last-child { font-size: .875rem; } .ai-node { left: 5%; right: 5%; padding: 14px; gap: 10px; } .ai-label { width: 43px; height: 43px; } .feedback-label { left: 6%; } .proof-strip { align-items: flex-start; flex-direction: column; gap: 10px; } .service { padding: 30px 10px; min-height: 0; } .service h3 { margin-top: 25px; } .focus-row { grid-template-columns: 1fr; } }
@media(prefers-reduced-motion: reduce) { .flow, .ai-node { animation: none; } .motion-control { display: none; } }
@media(max-width:620px) { .ai-node { margin-right: 5%; margin-left: 5%; } .system-heading { flex-wrap: wrap; } .nav { gap: 14px; } .brand { gap: 8px; } .brand img { width: 32px; height: 32px; } }