/* NEXUS home page, premium pass. One rhythm: sections 112px apart (64 on phones), heads 56px above their content.
   One accent surface per screen: hero = the product card, quality = the scan panel, economy = the stage, holders = the lead tile, network = the map. */
section { position: relative; padding: 96px 0 }
.head { margin-bottom: 56px; display: grid; gap: 18px; justify-items: start } .head .eyebrow { margin-bottom: 0 }
.head.row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 24px } .head.row > div { display: grid; gap: 18px; justify-items: start }
h2.sec { font-size: clamp(36px, 5.4vw, 68px); line-height: .98; letter-spacing: -.045em; margin: 0; max-width: 20ch } .lead { color: var(--mut); font-size: clamp(16px, 1.9vw, 19px); max-width: 600px; line-height: 1.55 }
.ln { display: block }
.hero-grid > *, .q-grid > *, .eco-grid > *, .ev-grid > * { min-width: 0 }

/* hero */
.hero { padding: 136px 0 0 }
.hero-grid { display: grid; grid-template-columns: 1.32fr .68fr; gap: 40px; align-items: center }
.hero h1 { font-size: clamp(40px, 5.5vw, 80px); line-height: .96; letter-spacing: -.05em; margin: 28px 0 28px }
.hero h1 .l1 { color: #7C93C6 } .hero h1 .l2 { color: #fff }
.hero h1 .l2 .sp:last-child > i { background: linear-gradient(100deg, #9CC6FF 10%, #29D3FF 90%); -webkit-background-clip: text; background-clip: text; color: transparent }
.hero .sub { font-size: clamp(17px, 2vw, 21px); color: var(--mut); max-width: 520px; line-height: 1.5 }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 36px }

.stage { position: relative; min-height: 740px; display: grid; place-items: end center }
.hero-orbit { inset: 0 -24% 4% -28% }
.hero-tile { position: absolute; z-index: 0; top: 6px; right: -14px; --s: 260px; transform: rotate(8deg); animation: bobt 9s ease-in-out infinite } @keyframes bobt { 50% { transform: rotate(8deg) translateY(-10px) } }
.stage .star4 { left: 6%; top: 10%; z-index: 2 }
.hcard-wrap { position: relative; z-index: 1; width: min(404px, 100%); margin-bottom: 8px; animation: bob 8s ease-in-out infinite } @keyframes bob { 50% { transform: translateY(-8px) } }
.hcard { display: grid; gap: 0; padding: 24px 24px 20px; border-radius: 26px; background: var(--gloss), linear-gradient(160deg, #0B1F68, #061246 72%); box-shadow: inset 0 0 0 1px rgba(160, 205, 255, .26), inset 0 1px 0 rgba(255, 255, 255, .14), 0 50px 90px -40px rgba(30, 107, 255, .75), 0 24px 40px -24px #000 }
.hc-top { display: flex; align-items: center; gap: 14px; padding-bottom: 20px } .hc-top h3 { font-size: 22px } .hc-top .tk { color: var(--mut); font: 500 13px var(--mf) } .hc-top .bdg { margin-left: auto }
.hc-mc { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; padding-bottom: 20px } .hc-mc .k { color: var(--mut); font-size: 13px } .hc-mc b { display: block; font: 600 40px/1.05 var(--bf); letter-spacing: -.045em; font-variant-numeric: tabular-nums } .hc-mc .spark { width: 140px; height: 52px; flex: none }
.hc-scan { display: grid; gap: 0; border-top: 1px solid var(--line) }
.hc-row { display: grid; gap: 8px; padding: 14px 0; border-bottom: 1px solid var(--line) }
.hc-row .l { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap } .hc-row .l b { font-size: 14.5px } .hc-row small { color: var(--mut); font-size: 12.5px }
.hc-kv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 18px 0 16px } .hc-kv .kpi .v { font: 600 18px var(--bf); letter-spacing: -.03em }
.hc-ex { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap } .exlab { font: 600 12px var(--mf); letter-spacing: .08em; text-transform: uppercase; color: var(--mut2) }

/* numbers strip under the hero: four big mono figures separated by hairlines */
.numbers { display: grid; grid-template-columns: repeat(4, 1fr); margin: 72px 0 0; padding: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line) }
.numbers > div { display: grid; gap: 6px; padding: 28px 0 28px 28px; border-left: 1px solid var(--line) } .numbers > div:first-child { border-left: 0; padding-left: 0 }
.numbers dt { color: var(--mut2); font-size: 13px; font-weight: 500; letter-spacing: .02em } .numbers dd { margin: 0 } .numbers b { font: 600 clamp(30px, 3.6vw, 48px)/1 var(--bf); letter-spacing: -.045em; font-variant-numeric: tabular-nums }

/* quality: a text list on the left (no cards), the scan as the one product surface on the right */
.q-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 40px; align-items: start }
.q-left { display: grid; gap: 16px } .q-blocks { display: grid; gap: 0; border-top: 1px solid var(--line) }
.qblock { position: relative; display: flex; align-items: flex-start; gap: 16px; width: 100%; padding: 22px 12px 22px 0; text-align: left; border: 0; border-bottom: 1px solid var(--line); background: transparent; transition: background .25s, padding .3s var(--ease) }
.qblock::before { content: ''; position: absolute; left: 0; top: -1px; bottom: -1px; width: 2px; background: linear-gradient(180deg, var(--b), var(--c)); transform: scaleY(0); transform-origin: 50% 0; transition: transform .4s var(--ease) }
.qblock b { display: block; font: 700 20px var(--hf); letter-spacing: -.03em; margin-bottom: 4px; color: var(--mut); transition: color .25s } .qblock small { display: block; color: var(--mut2); font-size: 14.5px; line-height: 1.5; max-width: 46ch }
.qi { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; margin-top: 2px; flex: none; color: var(--mut2); transition: color .25s } .qi .ic { width: 22px; height: 22px }
.qblock:hover b { color: var(--ink) }
.qblock[aria-selected=true] { padding-left: 22px } .qblock[aria-selected=true]::before { transform: scaleY(1) } .qblock[aria-selected=true] b { color: #fff } .qblock[aria-selected=true] small { color: var(--mut) } .qblock[aria-selected=true] .qi { color: var(--c) }
.q-panel { padding: 0; overflow: hidden; border-radius: 24px; box-shadow: var(--edge), 0 50px 90px -50px var(--glow) }
.q-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 14px 20px; border-bottom: 1px solid var(--line); background: rgba(1, 7, 34, .35) }
.q-body { padding: 24px 24px 22px; min-height: 380px; display: grid; gap: 22px; align-content: start }
.qin { display: grid; grid-template-columns: 1.4fr 1fr 1.1fr; gap: 0; border-bottom: 1px solid var(--line); padding-bottom: 18px } .qin > div { display: grid; gap: 4px; padding: 0 16px; border-left: 1px solid var(--line); min-width: 0 } .qin > div:first-child { border-left: 0; padding-left: 0 } .qin small { color: var(--mut2); font: 600 12px var(--mf); letter-spacing: .08em; text-transform: uppercase } .qin b { font: 600 16px var(--bf); overflow: hidden; text-overflow: ellipsis; white-space: nowrap }
.scanning { display: grid; gap: 12px; padding: 26px 4px 10px; color: var(--mut); font-size: 14.5px } .scanning .bar { height: 4px } .scanning .bar i { width: 0; animation: scan 1.1s var(--ease) forwards } @keyframes scan { to { width: 100% } }
.q-res { display: grid; gap: 22px; animation: rin .6s var(--ease) both } @keyframes rin { from { opacity: 0; transform: translateY(10px) } }
.q-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap }
.q-head .bdg { height: 32px; padding: 0 14px; font-size: 13px } .q-score { display: flex; align-items: baseline; gap: 10px } .q-score b { font: 600 60px/1 var(--bf); letter-spacing: -.05em; font-variant-numeric: tabular-nums } .q-score span { color: var(--mut2); font: 600 12px var(--mf); letter-spacing: .08em; text-transform: uppercase }
.q-bars { display: grid; gap: 14px } .q-b { display: grid; grid-template-columns: 112px 1fr 52px; align-items: center; gap: 14px; font-size: 14px } .q-b .n { color: var(--mut); font-weight: 600 } .q-b .p { text-align: right; font: 600 13px var(--mf) } .q-b.focus .n { color: var(--ink) } .q-b.na .p { color: var(--mut2) }
.q-ev { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line) } .q-ev li { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: start; padding: 13px 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: none; font-size: 14.5px; color: #CFDDF7; line-height: 1.5 } .q-ev .bdg { height: 22px; font-size: 12px; padding: 0 8px; margin-top: 1px }
.q-formula { color: var(--mut2); font-size: 13px; line-height: 1.55 } .q-formula b { color: var(--mut) }
.q-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-bottom: 1px solid var(--line); padding-bottom: 18px } .q-stats > div { padding: 0 16px; border: 0; border-left: 1px solid var(--line); background: none; border-radius: 0 } .q-stats > div:first-child { border-left: 0; padding-left: 0 } .q-stats .v { font: 600 26px var(--bf); letter-spacing: -.035em } .q-stats .k { color: var(--mut); font-size: 13px }
.wchips { display: flex; flex-wrap: wrap; gap: 6px } .wchips .mono { display: inline-flex; align-items: center; height: 26px; padding: 0 9px; border-radius: 8px; background: rgba(255, 107, 134, .11); border: 0; color: #FFB3C1; font-size: 12px }

/* project economy: a tall track, a sticky stage, scroll position picks the stage (never longer than ~2 screens of scrolling) */
.eco { padding: 40px 0 }
.eco-track { position: relative; height: calc(190vh + 560px) }
.eco-stick { position: sticky; top: 84px; padding: 16px 0 }
.eco-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 64px; align-items: center }
.esteps { display: grid; gap: 0; margin: 32px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line) }
.estep { position: relative; display: grid; grid-template-columns: 44px 1fr; gap: 14px; padding: 22px 0 22px 20px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: none; opacity: .38; transition: opacity .4s, transform .5s var(--ease) }
.estep::before { content: ''; position: absolute; left: 0; top: -1px; bottom: -1px; width: 2px; background: linear-gradient(180deg, var(--b), var(--c)); transform: scaleY(0); transform-origin: 50% 0; transition: transform .45s var(--ease) }
.estep.on { opacity: 1 } .estep.on::before { transform: scaleY(1) } .estep.past { opacity: .7 }
.en { display: inline-flex; align-items: flex-start; justify-content: flex-start; padding-top: 4px; font: 600 15px var(--mf); letter-spacing: .02em; color: var(--mut2) } .estep.on .en { color: var(--c) }
.estep h3 { font-size: 24px; margin-bottom: 4px; letter-spacing: -.035em } .estep p { color: var(--mut); font-size: 15px; max-width: 44ch }
.eco-prog { height: 2px; border-radius: 2px; background: var(--line); margin-top: 28px; overflow: hidden } .eco-prog i { display: block; height: 100%; background: linear-gradient(90deg, var(--b), var(--c)); transform: scaleX(0); transform-origin: 0 50% }
.eco-stage { display: grid; justify-items: stretch; gap: 0; padding: 20px; border-radius: 28px; background: var(--gloss), linear-gradient(160deg, #09206A, #04113F 72%); box-shadow: inset 0 0 0 1px rgba(160, 205, 255, .2), inset 0 1px 0 rgba(255, 255, 255, .1), 0 60px 100px -54px var(--glow) }
.lay { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 16px; border: 0; background: rgba(1, 7, 34, .5); opacity: .25; transform: translateY(8px) scale(.985); transition: opacity .5s var(--ease), transform .6s var(--ease), box-shadow .5s } .lay.on { opacity: 1; transform: none } .lay.cur { box-shadow: inset 0 0 0 1px var(--b3), 0 0 0 4px rgba(30, 107, 255, .16) }
.lay b { font: 700 18px var(--hf); letter-spacing: -.03em; display: block } .lay small { color: var(--mut); font-size: 13.5px; display: block } .lay .bdg { margin-left: auto }
.lay-ic { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 13px; overflow: hidden; flex: none; background: rgba(30, 107, 255, .2); color: var(--b3) } .lay-ic.sm { width: 40px; height: 40px } .lay-ic img { width: 100%; height: 100% }
.conn { position: relative; display: block; width: 2px; height: 18px; margin: 0 auto; background: var(--line2); overflow: hidden } .conn::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, var(--b3), var(--c)); transform: scaleY(0); transform-origin: 50% 0; transition: transform .6s var(--ease) } .conn.on::after { transform: scaleY(1) }
.lay1 { justify-content: space-between } .tre-top { display: flex; align-items: center; gap: 14px } .tre-num b { font: 600 34px/1 var(--bf); letter-spacing: -.045em; font-variant-numeric: tabular-nums }
.lay2 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 10px }
.act { display: grid; justify-items: start; gap: 4px; padding: 12px; border-radius: 12px; border: 0; background: rgba(106, 165, 255, .08); opacity: .35; transform: scale(.96); transition: opacity .4s var(--ease), transform .5s var(--ease); transition-delay: calc(var(--k, 0) * 90ms) } .lay.on .act { opacity: 1; transform: none } .act .ic { width: 22px; height: 22px; color: var(--c) } .act b { font-size: 15px } .act small { font-size: 12.5px; line-height: 1.3 }
.lay3 { display: grid; gap: 4px; padding: 10px 16px 12px; justify-items: center }
.eorb { position: relative; width: 100%; height: 100px } .eorb .o-r { position: absolute; left: 6%; right: 6%; top: 8px; bottom: 8px; border-radius: 50%; border: 1.2px solid rgba(190, 222, 255, .3) }
.eorb .av { position: absolute; left: var(--x); top: var(--y); margin: -16px 0 0 -16px; width: 32px; height: 32px; font-size: 12px; transform: scale(.2); opacity: 0; transition: transform .6s var(--ease), opacity .5s; transition-delay: calc(var(--k, 0) * 110ms) } .lay.on .eorb .av { transform: none; opacity: 1 }
.egrow { display: flex; align-items: baseline; justify-content: center; gap: 8px 10px; flex-wrap: wrap; color: var(--mut); font-size: 14px } .egrow b { font: 600 28px var(--bf); color: var(--ink); letter-spacing: -.04em }

/* holders: a bento, one lead tile and three supporting ones, instead of four equal cards */
.grid.hold-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px }
.hcol { display: grid; gap: 14px; align-content: start; padding: 30px; transition: box-shadow .3s, transform .3s var(--ease) } .hcol:hover { box-shadow: inset 0 0 0 1px rgba(120, 175, 255, .4), inset 0 1px 0 rgba(255, 255, 255, .08) }
.hcol:nth-child(1) { grid-column: span 7; background: radial-gradient(70% 90% at 100% 0%, rgba(30, 107, 255, .26), transparent 70%), var(--gloss), var(--panel); padding: 36px }
.hcol:nth-child(2) { grid-column: span 5 } .hcol:nth-child(3) { grid-column: span 5 } .hcol:nth-child(4) { grid-column: span 7 }
.hcol .hi { display: inline-flex; align-items: center; justify-content: flex-start; width: 28px; height: 28px; color: var(--c) } .hcol .hi .ic { width: 26px; height: 26px }
.hcol h3 { font-size: 28px; letter-spacing: -.04em } .hcol:nth-child(1) h3 { font-size: 36px } .hcol > p { color: var(--mut); font-size: 15px; max-width: 46ch } .hcol .ex { margin-top: 10px; display: grid; gap: 12px; padding: 18px 0 0; border: 0; border-top: 1px solid var(--line); border-radius: 0; background: none } .hcol .ex .exlab { display: block }
.hcol ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; font-size: 14px; color: #CFDDF7 } .hcol li { display: flex; gap: 10px; align-items: flex-start } .hcol li .ic { width: 15px; height: 15px; margin-top: 4px; color: var(--ok); stroke-width: 2.4 }
.pp { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px 16px } .pp .kpi .v { font: 600 24px var(--bf); letter-spacing: -.035em } .pp .kpi .k { font-size: 12px }

/* network */
.net-panel { padding: 22px 22px 16px; overflow: hidden; border-radius: 24px }
.net-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; padding: 2px 4px 14px } .net-stats { display: flex; gap: 16px; color: var(--mut); font-size: 14px } .net-stats b { color: var(--ink) }
.net-box { height: 500px; border-radius: 16px; background: radial-gradient(60% 80% at 50% 50%, rgba(30, 107, 255, .14), transparent 75%), rgba(1, 6, 30, .5); box-shadow: inset 0 0 0 1px var(--line) }
.net-note { color: var(--mut2); font-size: 13px; padding: 12px 4px 2px }

/* events */
.ev-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start } .ev-copy { position: sticky; top: 104px; display: grid; gap: 18px; justify-items: start } .ev-copy .eyebrow { margin-bottom: 0 } .ev-copy .sec { margin: 0 }
.live-tag { display: inline-flex; align-items: center; gap: 10px; color: var(--mut); font-size: 13.5px; font-weight: 500 }

/* final cta: the one big accent surface of the page bottom */
.cta-sec { padding-top: 40px }
.cta-band { position: relative; overflow: hidden; text-align: center; padding: 104px 22px; border: 0; border-radius: 32px; background: radial-gradient(60% 120% at 50% 0%, rgba(30, 107, 255, .34), transparent 70%), var(--gloss), var(--panel); box-shadow: var(--edge), 0 60px 120px -70px var(--glow) }
.cta-band > :not(.orbit) { position: relative; z-index: 1 } .cta-band h2 { font-size: clamp(38px, 6vw, 76px); max-width: 13ch; margin: 0 auto 20px; letter-spacing: -.05em } .cta-band .lead { margin: 0 auto }
.cta-orbit { inset: 12% -8% -30% -8% }

@media (max-width: 1100px) { .grid.hold-grid { grid-template-columns: 1fr 1fr } .hcol:nth-child(n) { grid-column: span 1 } .hcol:nth-child(1) { grid-column: 1 / -1 } .q-stats { grid-template-columns: repeat(2, 1fr); row-gap: 16px } .q-stats > div:nth-child(3) { border-left: 0; padding-left: 0 } }
@media (max-width: 1240px) { .hero-grid { grid-template-columns: 1.15fr .85fr } .hero h1 { font-size: clamp(38px, 4.9vw, 64px) } }
@media (max-width: 1020px) {
  .hero h1 { font-size: clamp(42px, 9vw, 76px) } .hero { padding-top: 112px }
  .hero-grid, .q-grid, .ev-grid { grid-template-columns: 1fr; gap: 44px } .ev-copy { position: static }
  .stage { min-height: 740px; place-items: end center } .hero-orbit { inset: 2% -6% 4% -6% } .hero-tile { right: 6% }
  .numbers { margin-top: 56px }
}
@media (max-width: 900px) {
  /* mobile: no pinned scene, every stage shown */
  .eco { padding: 40px 0 } .eco-track { height: auto } .eco-stick { position: static } .eco-grid { grid-template-columns: 1fr; gap: 36px } .estep, .estep.past { opacity: 1 } .estep.on { transform: none } .eco-prog { display: none }
  .estep::before { transform: scaleY(1); opacity: .35 }
  .qblock[aria-selected=true] { padding-left: 18px }
}
@media (max-width: 640px) {
  section { padding: 72px 0 } .hero { padding: 100px 0 0 } .head { margin-bottom: 36px; gap: 14px }
  .hero h1 { margin: 22px 0 22px } .hero .sub { font-size: 17px } .cta { margin-top: 28px }
  .numbers { grid-template-columns: 1fr 1fr; margin-top: 44px } .numbers > div { padding: 22px 0 22px 20px } .numbers > div:nth-child(odd) { border-left: 0; padding-left: 0 } .numbers > div:nth-child(n+3) { border-top: 1px solid var(--line) }
  .grid.hold-grid { grid-template-columns: 1fr } .hcol:nth-child(n) { grid-column: 1 / -1; padding: 26px 22px } .hcol:nth-child(1) h3 { font-size: 30px } .pp { grid-template-columns: 1fr 1fr } .net-box { height: 400px } .cta-band { padding: 64px 18px; border-radius: 26px }
  .stage { min-height: 650px } .hero-tile { --s: 190px; right: 2% } .hcard { padding: 20px 18px 16px } .hc-mc b { font-size: 32px } .hc-mc .spark { width: 110px }
  .qin { grid-template-columns: 1fr 1fr; row-gap: 14px } .qin > div:first-child { grid-column: 1 / -1 } .qin > div:nth-child(2) { border-left: 0; padding-left: 0 } .q-b { grid-template-columns: 90px 1fr 44px } .q-body { padding: 20px 18px } .q-stats { grid-template-columns: 1fr 1fr } .q-score b { font-size: 46px }
  .lay2 { grid-template-columns: repeat(2, 1fr) } .eco-stage { padding: 14px } .lay { flex-wrap: wrap } .lay .bdg { margin-left: 0 } .lay1 { justify-content: flex-start } .tre-num b { white-space: nowrap; font-size: 28px }
  .qblock { padding-top: 18px; padding-bottom: 18px } .qblock b { font-size: 18px } .estep h3 { font-size: 22px }
  .cta { flex-direction: column } .cta .btn { width: 100% }
}
