.business--halo { --accent:#D3F49C; --button:#B9FF00; --button-ink:#0C1101; }
.halo-hero { display:grid; grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr); gap:clamp(2rem,5vw,5rem); align-items:center; min-height: min(50rem,calc(100svh - 4.5rem)); padding-block:clamp(4rem,8vw,7rem); }
.halo-hero__copy { position:relative; z-index:1; animation:business-entrance 700ms cubic-bezier(.22,1,.36,1) both; }
.halo-hero h1 { max-width:13ch; margin:1.1rem 0 1.5rem; font:650 clamp(3.1rem,5.5vw,6rem)/.97 Archivo,Geist,sans-serif; letter-spacing:-.05em; text-wrap:balance; }
.halo-hero__lede { max-width:53ch; margin:0; color:var(--soft); font-size:clamp(1.05rem,1rem + .42vw,1.3rem); line-height:1.5; }
.halo-hero__actions { display:flex; flex-wrap:wrap; align-items:center; gap:.35rem; margin-top:2rem; }
.halo-hero__status { margin:1.35rem 0 0; color:var(--faint); font:.72rem/1.5 'Geist Mono',ui-monospace,monospace; text-transform:uppercase; letter-spacing:.06em; }
.halo-visual { position:relative; min-height:clamp(28rem,43vw,40rem); overflow:hidden; border:1px solid var(--line-strong); border-radius:28px; background:radial-gradient(circle at 50% 46%,rgb(185 255 0 / .2),transparent 34%), radial-gradient(circle at 90% 0%,rgb(185 131 255 / .16),transparent 46%),#101A13; box-shadow:0 28px 70px rgb(0 0 0 / .24); animation:business-entrance 750ms 100ms cubic-bezier(.22,1,.36,1) both; }
.halo-visual__grid { position:absolute; inset:0; opacity:.45; background-image:linear-gradient(rgb(218 255 223 / .1) 1px,transparent 1px),linear-gradient(90deg,rgb(218 255 223 / .1) 1px,transparent 1px); background-size:2.25rem 2.25rem; mask-image:radial-gradient(circle at center,#000,transparent 80%); }
.halo-visual__orbit { position:absolute; inset:14%; border:1px solid rgb(185 255 0 / .32); border-radius:50%; transform:rotate(-19deg) scaleY(.67); }
.halo-visual__orbit--two { inset:5%; border-color:rgb(185 255 0 / .13); transform:rotate(34deg) scaleY(.85); }
.halo-visual__orbit--one::before,.halo-visual__orbit--two::after { content:""; position:absolute; width:.85rem; height:.85rem; top:13%; left:18%; border-radius:50%; background:#B9FF00; box-shadow:0 0 0 .35rem rgb(185 255 0 / .15),0 0 30px rgb(185 255 0 / .8); }
.halo-visual__orbit--two::after { top:auto; left:auto; right:17%; bottom:14%; width:.5rem; height:.5rem; background:#D9B8FF; box-shadow:0 0 0 .35rem rgb(217 184 255 / .13),0 0 22px rgb(217 184 255 / .7); }
.halo-visual__core { position:absolute; inset:50% auto auto 50%; display:grid; place-content:center; width:clamp(9rem,16vw,13rem); aspect-ratio:1; border:1px solid rgb(185 255 0 / .5); border-radius:50%; background:radial-gradient(circle at 45% 35%,#385A23,#101C13 70%); box-shadow:0 0 0 1.15rem rgb(185 255 0 / .04),0 0 65px rgb(185 255 0 / .15); text-align:center; transform:translate(-50%,-50%); }
.halo-visual__core span { color:#E9FFBD; font:700 clamp(2.1rem,4vw,3.4rem)/1 Archivo,Geist,sans-serif; letter-spacing:.02em; }
.halo-visual__core small { margin-top:.45rem; color:#D5E3CE; font:.58rem/1.3 'Geist Mono',ui-monospace,monospace; text-transform:uppercase; letter-spacing:.08em; }
.halo-visual__signal { position:absolute; z-index:2; padding:.65rem .85rem; border:1px solid rgb(242 255 231 / .24); border-radius:999px; background:rgb(21 32 24 / .82); color:#F7FFF1; box-shadow:0 12px 28px rgb(0 0 0 / .18); backdrop-filter:blur(10px); font:.7rem/1.2 'Geist Mono',ui-monospace,monospace; white-space:nowrap; }
.halo-visual__signal--one { top:19%; left:6%; }.halo-visual__signal--two { top:30%; right:5%; }.halo-visual__signal--three { left:13%; bottom:19%; }
.halo-visual__foot { position:absolute; right:1.25rem; bottom:1rem; color:#BDD0BA; font:.61rem/1.3 'Geist Mono',ui-monospace,monospace; text-align:right; }
.halo-thesis { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,.72fr); gap:1rem clamp(2rem,8vw,9rem); align-items:end; padding-block:clamp(4rem,8vw,8rem); border-top:1px solid var(--line); }
.halo-thesis .eyebrow { grid-column:1/-1; }
.halo-thesis h2 { max-width:18ch; margin:0; font:650 clamp(2.5rem,4.3vw,4.8rem)/1.04 Archivo,Geist,sans-serif; letter-spacing:-.045em; text-wrap:balance; }
.halo-thesis > p:last-child { max-width:48ch; margin:0 0 .35rem; color:var(--soft); font-size:clamp(1rem,1vw + .55rem,1.2rem); }
.halo-use__grid { grid-template-columns:repeat(4,minmax(0,1fr)); }
.halo-use .model-step { min-height:18rem; }
.halo-principle { display:grid; grid-template-columns:6rem minmax(0,1fr); gap:clamp(1.5rem,4vw,5rem); align-items:start; padding-block:clamp(4rem,8vw,8rem); border-top:1px solid var(--line); }
.halo-principle__mark { display:grid; place-items:center; width:5rem; aspect-ratio:1; border:1px solid var(--accent); border-radius:50%; color:var(--accent); font:700 2.4rem/1 Archivo,Geist,sans-serif; }
.halo-principle h2 { max-width:24ch; margin:.75rem 0 1.3rem; font:650 clamp(2.2rem,4vw,4.1rem)/1.05 Archivo,Geist,sans-serif; letter-spacing:-.04em; text-wrap:balance; }
.halo-principle p:last-child { max-width:67ch; margin:0; color:var(--soft); }
.halo-contact { display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:clamp(2rem,6vw,7rem); padding-block:clamp(4rem,8vw,8rem); border-top:1px solid var(--line); scroll-margin-top:5rem; }
.halo-contact__copy h2 { max-width:12ch; margin:.7rem 0 1.2rem; font:650 clamp(2.4rem,4vw,4.3rem)/1.05 Archivo,Geist,sans-serif; letter-spacing:-.045em; }
.halo-contact__copy > p:not(.eyebrow) { max-width:46ch; color:var(--soft); }
.halo-contact__copy ul { display:grid; gap:.85rem; margin:2rem 0 0; padding:0; list-style:none; }
.halo-contact__copy li { padding-left:1.25rem; position:relative; color:var(--ink); }
.halo-contact__copy li::before { content:""; position:absolute; left:0; top:.55rem; width:.42rem; height:.42rem; border-radius:50%; background:var(--accent); }
@media(max-width:1100px) { .halo-use__grid { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media(max-width:940px) { .halo-hero,.halo-thesis,.halo-contact { grid-template-columns:1fr; } .halo-hero { min-height:0; } .halo-visual { min-height:30rem; } .halo-thesis .eyebrow { grid-column:auto; } }
@media(max-width:650px) { .halo-hero { padding-top:3.2rem; } .halo-hero h1 { font-size:clamp(3rem,12vw,4.2rem); } .halo-visual { min-height:25rem; } .halo-visual__signal { font-size:.58rem; } .halo-visual__signal--one { top:13%; }.halo-visual__signal--two { top:29%; right:3%; }.halo-visual__signal--three { left:5%; bottom:20%; } .halo-use__grid { grid-template-columns:1fr; }.halo-use .model-step { min-height:0; } .halo-principle { grid-template-columns:1fr; } }
@media(prefers-reduced-motion:reduce) { .halo-hero__copy,.halo-visual { animation:none; } }