:root {
  --ink: #07111f;
  --ink-2: #0b1b2c;
  --ink-3: #10283b;
  --cyan: #4d7cff;
  --mint: #8ac7ff;
  --lime: #ff9f43;
  --paper: #f4f6fb;
  --muted: #9cabc2;
  --line: rgba(255, 255, 255, 0.12);
  --display: "Manrope", sans-serif;
  --body: "DM Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: #eef8f6; background: var(--ink); font: 400 1rem/1.65 var(--body); overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 99; padding: 10px 15px; background: #fff; color: #07111f; transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 20; border-bottom: 1px solid transparent; transition: background .3s, border-color .3s, backdrop-filter .3s; }
.site-header.scrolled { background: rgba(7, 17, 31, .84); border-color: var(--line); backdrop-filter: blur(18px); }
.nav-wrap { height: 82px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; font: 800 1.25rem/1 var(--display); letter-spacing: -.035em; }
.brand > span:last-child > span { color: var(--cyan); }
.brand-mark { position: relative; width: 30px; height: 27px; display: inline-flex; align-items: end; gap: 3px; }
.brand-mark i { width: 7px; background: var(--cyan); transform: skew(-17deg); border-radius: 2px 2px 1px 1px; }
.brand-mark i:nth-child(1) { height: 18px; }
.brand-mark i:nth-child(2) { height: 27px; background: var(--mint); }
.brand-mark i:nth-child(3) { height: 13px; background: var(--lime); }
nav { display: flex; align-items: center; gap: 34px; }
nav a { font-size: .91rem; color: #c6d7da; transition: color .2s; }
nav a:hover, nav a:focus-visible { color: #fff; }
.nav-cta { padding: 11px 18px; border: 1px solid rgba(138, 199, 255, .42); border-radius: 999px; color: var(--mint); }
.menu-toggle { display: none; border: 0; background: none; color: inherit; padding: 8px; }

.hero { position: relative; min-height: 860px; padding-top: 82px; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 240px; background: linear-gradient(transparent, var(--ink)); pointer-events: none; }
.hero-art { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,17,31,.99) 0%, rgba(7,17,31,.88) 32%, rgba(7,17,31,.08) 76%), url("./assets/programmatic-network-cobalt.png") 56% 36% / cover no-repeat; opacity: .9; }
.hero-grid { position: absolute; inset: 0; opacity: .14; background-image: linear-gradient(rgba(138,199,255,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(138,199,255,.18) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to right, black, transparent 75%); }
.hero-inner { position: relative; z-index: 2; min-height: 685px; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 64px; }
.hero-copy { padding-top: 42px; }
.eyebrow, .kicker { color: var(--mint); text-transform: uppercase; letter-spacing: .16em; font-size: .76rem; font-weight: 700; }
.eyebrow { display: flex; align-items: center; gap: 11px; }
.eyebrow span { width: 24px; height: 1px; background: var(--lime); box-shadow: 7px 0 var(--lime); }
h1, h2, h3 { font-family: var(--display); margin: 0; }
h1 { max-width: 780px; font-size: clamp(3.6rem, 7vw, 6.7rem); line-height: .96; letter-spacing: -.067em; font-weight: 700; }
h1 em, h2 span { font-style: normal; color: var(--cyan); }
.hero-lede { max-width: 620px; margin: 30px 0 0; font-size: 1.18rem; line-height: 1.65; color: #b8cbd0; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 53px; padding: 0 24px; font-weight: 700; border-radius: 2px; transition: transform .2s, background .2s, color .2s; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { background: var(--cyan); color: #071225; }
.button-primary:hover { background: var(--mint); }
.text-link { color: #dbe8e7; border-bottom: 1px solid rgba(255,255,255,.35); padding-bottom: 3px; font-weight: 600; }

.signal-panel { position: relative; min-height: 480px; align-self: center; }
.signal-core { position: absolute; right: 9%; top: 35%; width: 164px; height: 178px; display: grid; place-content: center; text-align: center; border: 1px solid rgba(138,199,255,.55); border-radius: 28px; background: linear-gradient(150deg, rgba(34,77,143,.88), rgba(6,18,42,.9)); box-shadow: 0 24px 70px rgba(17,67,170,.34), inset 0 1px rgba(255,255,255,.18); backdrop-filter: blur(12px); }
.signal-core::before { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(138,199,255,.17); border-radius: 20px; }
.signal-core .core-status { position: absolute; top: 17px; left: 18px; display: flex; align-items: center; gap: 5px; color: #b7cced; font: 600 .52rem var(--body); letter-spacing: .12em; text-transform: uppercase; }
.signal-core .core-status i { width: 5px; height: 5px; border-radius: 50%; background: #ff9f43; box-shadow: 0 0 10px #ff9f43; }
.signal-core b { font: 750 2.6rem/1 var(--display); color: #fff; }
.signal-core small { margin-top: 8px; font: 600 .52rem/1.3 var(--body); letter-spacing: .16em; color: #9fc7ff; }
.signal-core em { margin-top: 13px; color: #d8e7ff; font-size: .55rem; font-style: normal; }
.signal-orbit { position: absolute; right: -5%; top: 16%; width: 410px; aspect-ratio: 1; border: 1px solid rgba(138,199,255,.2); border-radius: 50%; }
.orbit-two { right: 4%; top: 25%; width: 300px; border-style: dashed; }
.signal-chip { position: absolute; display: grid; grid-template-columns: 28px 1fr 7px; align-items: center; gap: 10px; min-width: 230px; padding: 12px 13px; border: 1px solid rgba(138,199,255,.18); border-radius: 10px; background: linear-gradient(100deg, rgba(8,24,51,.9), rgba(31,68,121,.72)); box-shadow: 0 16px 34px rgba(0,0,0,.18); backdrop-filter: blur(14px); color: #dce8f8; }
.signal-chip > span { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid rgba(138,199,255,.25); border-radius: 50%; font-size: .59rem; color: var(--lime); }
.signal-chip b, .signal-chip small { display: block; }.signal-chip b { font: 600 .76rem var(--display); }.signal-chip small { color: #85a0ba; font-size: .57rem; letter-spacing: .03em; }
.signal-chip > i { width: 6px; height: 6px; border-radius: 50%; background: #4d7cff; box-shadow: 0 0 11px rgba(77,124,255,.9); }
.chip-one { top: 21%; left: 3%; }
.chip-two { top: 56%; left: 8%; }
.chip-three { right: -2%; bottom: 10%; }
.trust-strip { position: relative; z-index: 3; display: flex; justify-content: space-between; align-items: center; padding: 28px 0; border-top: 1px solid var(--line); }
.trust-strip > span { color: #7f9ba3; font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; }
.trust-strip div { display: flex; gap: 52px; }
.trust-strip b { color: #b8cccf; font: 500 .87rem var(--display); }

.section { padding: 130px 0; }
.section-heading { display: grid; grid-template-columns: 1.35fr .65fr; align-items: end; gap: 80px; margin-bottom: 66px; }
.section-heading .kicker { grid-column: 1 / -1; margin: 0 0 -52px; }
h2 { font-size: clamp(2.6rem, 5vw, 4.9rem); line-height: 1.04; letter-spacing: -.055em; font-weight: 650; }
.section-heading > p:last-child { color: #6e8389; font-size: 1.05rem; margin: 0 0 7px; }
.intro { color: #0a1a25; background: var(--paper); }
.intro .kicker, .about .kicker { color: #456de6; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.capability-card { position: relative; min-width: 0; min-height: 452px; padding: 32px; border: 1px solid #d5deed; border-radius: 16px; background: #fff; overflow: hidden; box-shadow: 0 18px 50px rgba(19, 40, 82, .04); }
.capability-card.featured { color: #eef4ff; background: linear-gradient(155deg, #102944, #07182a); border-color: rgba(77,124,255,.36); transform: translateY(-18px); box-shadow: 0 28px 60px rgba(19,46,88,.18); }
.capability-card::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 3px; background: var(--cyan); transition: width .35s; }
.capability-card:hover::after { width: 100%; }
.card-number { position: absolute; top: 29px; right: 30px; color: #819397; font-size: .72rem; }
.capability-graphic { position: relative; width: 154px; height: 116px; margin: 4px 0 42px; padding: 13px 14px 25px; border: 1px solid #d8e2f3; border-radius: 12px; background: linear-gradient(145deg, #f9fbff, #edf3ff); overflow: hidden; }
.capability-graphic::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(77,124,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(77,124,255,.055) 1px, transparent 1px); background-size: 16px 16px; pointer-events: none; }
.capability-graphic svg { position: relative; display: block; width: 100%; height: 70px; overflow: visible; }
.capability-graphic svg * { vector-effect: non-scaling-stroke; }
.capability-graphic svg circle, .capability-graphic svg rect { fill: #fff; stroke: var(--cyan); stroke-width: 1.4; }
.capability-graphic .soft-line { fill: none; stroke: #8fa8d6; stroke-width: 1.4; stroke-dasharray: 3 4; }
.capability-graphic .bright-line { fill: none; stroke: #4d7cff; stroke-width: 2; }
.capability-graphic .axis-line { fill: none; stroke: #9fb0cc; stroke-width: 1; }
.capability-graphic .solid-node, .capability-graphic .accent-bar { fill: var(--cyan); stroke: var(--cyan); }
.capability-graphic .pulse-ring { fill: none; stroke: #ff9f43; stroke-width: 1; stroke-dasharray: 2 3; }
.capability-graphic .arrow-tip { fill: none; stroke: #ff9f43; stroke-width: 1.5; }
.capability-graphic > span { position: absolute; left: 12px; bottom: 7px; color: #6c7f9f; font-size: .61rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.featured .capability-graphic { border-color: rgba(138,199,255,.2); background: linear-gradient(145deg, rgba(48,84,148,.22), rgba(7,17,31,.38)); }
.featured .capability-graphic::before { background-image: linear-gradient(rgba(138,199,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(138,199,255,.06) 1px, transparent 1px); }
.featured .capability-graphic > span { color: #8ac7ff; }
.featured .capability-graphic svg circle { fill: var(--ink-2); }
.capability-card h3 { font-size: 1.35rem; letter-spacing: -.025em; }
.capability-card p { color: #60767d; margin: 18px 0 22px; }
.capability-card.featured p { color: #9fb4ba; }
.capability-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: flex-start; gap: 6px; max-width: 100%; }
.capability-card li { max-width: 100%; padding: 5px 9px; background: #edf1fb; color: #48556f; font-size: .72rem; overflow-wrap: anywhere; }
.capability-card.featured li { background: rgba(138,199,255,.09); color: var(--mint); }

.approach { background: #091625; }
.approach-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 110px; align-items: center; }
.approach-visual { position: relative; aspect-ratio: 1; max-width: 540px; overflow: hidden; border: 1px solid rgba(138,199,255,.19); background: radial-gradient(circle at 50% 50%, rgba(77,124,255,.2), transparent 38%), linear-gradient(rgba(138,199,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(138,199,255,.035) 1px, transparent 1px), #071421; background-size: auto, 30px 30px, 30px 30px; box-shadow: inset 0 0 70px rgba(5, 12, 27, .48), 0 28px 70px rgba(0,0,0,.18); }
.approach-visual::after { content: ""; position: absolute; inset: 54px; border: 1px solid rgba(138,199,255,.08); border-radius: 50%; pointer-events: none; }
.visual-caption { position: absolute; z-index: 5; inset: 20px 22px auto; display: flex; justify-content: space-between; color: #7f9fb5; font-size: .65rem; text-transform: uppercase; letter-spacing: .13em; }
.visual-caption b { display: flex; align-items: center; gap: 7px; color: #ffad5e; font-weight: 600; }
.visual-caption b i { width: 6px; height: 6px; border-radius: 50%; background: #ff9f43; box-shadow: 0 0 12px rgba(255,159,67,.8); }
.loop-paths { position: absolute; inset: 55px 34px 38px; width: calc(100% - 68px); height: calc(100% - 93px); overflow: visible; }
.loop-paths > path { fill: none; stroke: rgba(138,199,255,.52); stroke-width: 1.5; stroke-dasharray: 5 7; animation: flow 12s linear infinite; }
.loop-paths marker path { fill: #8ac7ff; }
.loop-center { position: absolute; z-index: 3; left: 50%; top: 50%; width: 146px; height: 146px; transform: translate(-50%,-50%); display: grid; place-content: center; text-align: center; border: 1px solid rgba(138,199,255,.58); border-radius: 28px; background: linear-gradient(145deg, rgba(77,124,255,.92), rgba(36,90,205,.78)); box-shadow: 0 20px 60px rgba(22,76,188,.32), inset 0 1px rgba(255,255,255,.22); color: #fff; }
.loop-center::before { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(255,255,255,.17); border-radius: 20px; }
.loop-center .engine-pulse { position: absolute; right: 16px; top: 16px; width: 7px; height: 7px; border-radius: 50%; background: #ffb25f; box-shadow: 0 0 13px rgba(255,159,67,.9); }
.loop-center b { font: 800 1.12rem var(--display); letter-spacing: .1em; }.loop-center small { color: #dbeafe; font-size: .52rem; letter-spacing: .14em; }
.loop-center em { margin-top: 11px; color: #eaf2ff; font-size: .55rem; font-style: normal; }
.loop-node { position: absolute; z-index: 4; display: grid; grid-template-columns: 28px 1fr; gap: 9px; align-items: center; width: 164px; min-height: 66px; padding: 11px 12px; border: 1px solid rgba(138,199,255,.18); background: rgba(6,18,35,.92); box-shadow: 0 14px 34px rgba(0,0,0,.2); backdrop-filter: blur(10px); }
.loop-node > span { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid rgba(138,199,255,.36); border-radius: 50%; color: #ffad5e; font-size: .58rem; }
.loop-node b, .loop-node small { display: block; }.loop-node b { font: 650 .8rem var(--display); }.loop-node small { color: #7894a7; font-size: .6rem; }
.node-a { left: 7%; top: 21%; }.node-b { right: 5%; top: 23%; }.node-c { left: 50%; bottom: 10%; transform: translateX(-50%); }
.loop-status { position: absolute; z-index: 4; left: 20px; bottom: 18px; display: flex; align-items: center; gap: 8px; color: #637e91; font-size: .57rem; letter-spacing: .05em; }
.loop-status span { width: 28px; height: 1px; background: linear-gradient(90deg, #4d7cff, #ff9f43); }
.approach-copy > p:nth-of-type(2) { color: #95aab0; font-size: 1.08rem; margin: 28px 0 36px; }
.principles { border-top: 1px solid var(--line); }
.principles > div { display: grid; grid-template-columns: 48px 1fr; padding: 20px 0; border-bottom: 1px solid var(--line); }
.principles span { color: var(--lime); font-size: .7rem; }
.principles p { margin: 0; color: #859da3; }.principles b { color: #fff; display: block; font-family: var(--display); margin-bottom: 2px; }

.channels { background: #0d2030; }
.split-heading { grid-template-columns: 1.25fr .55fr; }
.split-heading .kicker { grid-column: auto; margin: 0 0 13px; }
.channel-list { border-top: 1px solid rgba(255,255,255,.16); }
.channel-list article { position: relative; display: grid; grid-template-columns: 46px minmax(230px,.9fr) minmax(260px,1.15fr) minmax(180px,.75fr); align-items: center; gap: 22px; min-height: 126px; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.12); transition: background .25s, padding .25s; }
.channel-list article:hover { background: linear-gradient(90deg, rgba(77,124,255,.075), transparent); padding-inline: 16px; }
.channel-number { color: var(--lime); font-size: .7rem; }
.channel-name { display: flex; align-items: center; gap: 15px; min-width: 0; }
.channel-name h3 { font-size: 1.15rem; line-height: 1.25; }
.channel-icon { flex: 0 0 44px; display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid rgba(138,199,255,.16); border-radius: 11px; background: rgba(77,124,255,.06); color: #8ac7ff; }
.channel-icon svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.channel-list article > p { color: #859ca3; }
.channel-use { display: flex; flex-wrap: wrap; gap: 6px; }
.channel-use span { padding: 5px 8px; border: 1px solid rgba(138,199,255,.12); border-radius: 999px; color: #8ba8ba; font-size: .64rem; white-space: nowrap; }

.use-cases { display: grid; grid-template-columns: 1.05fr repeat(3, 1fr); gap: 12px; margin-top: 76px; }
.use-case-intro { padding: 26px 26px 26px 0; }
.use-case-intro .kicker { margin: 0 0 15px; }.use-case-intro h3 { font-size: 1.55rem; line-height: 1.25; letter-spacing: -.03em; }.use-case-intro > p:last-child { color: #708b9d; font-size: .76rem; }
.use-case-card { min-width: 0; padding: 24px; border: 1px solid rgba(138,199,255,.14); border-radius: 14px; background: linear-gradient(150deg, rgba(33,68,102,.62), rgba(7,22,38,.62)); transition: transform .25s, border-color .25s; }
.use-case-card:hover { transform: translateY(-5px); border-color: rgba(138,199,255,.34); }
.use-case-label { display: inline-flex; padding: 4px 8px; border-radius: 999px; background: rgba(255,159,67,.09); color: #ffb66f; font-size: .61rem; letter-spacing: .08em; text-transform: uppercase; }
.use-case-card h4 { min-height: 58px; margin: 19px 0 13px; font: 650 1rem/1.4 var(--display); }
.use-case-card > p { color: #7994a7; font-size: .76rem; line-height: 1.6; }
.journey { display: flex; align-items: center; gap: 5px; margin: 0 0 15px; overflow: hidden; }
.journey span { padding: 4px 6px; border-radius: 4px; background: rgba(77,124,255,.1); color: #9ccaff; font-size: .58rem; white-space: nowrap; }.journey i { color: #ff9f43; font-size: .65rem; font-style: normal; }

.about { color: #101b36; background: #edf1f8; }
.about-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 120px; }
.about-body .lead { margin-top: 53px; font: 600 1.45rem/1.5 var(--display); letter-spacing: -.02em; }
.about-body p:last-child { color: #5c7177; font-size: 1.05rem; }

.contact { position: relative; padding: 125px 0; overflow: hidden; background: linear-gradient(125deg, #4d7cff, #5f91f2 55%, #75b7f2); color: #071225; }
.contact::after { content: "M"; position: absolute; right: 6%; top: -45%; font: 800 32rem/1 var(--display); color: rgba(7,17,31,.055); }
.contact-glow { position: absolute; left: -8%; bottom: -80%; width: 600px; height: 600px; border-radius: 50%; border: 1px solid rgba(7,17,31,.13); box-shadow: 0 0 0 90px rgba(7,17,31,.03), 0 0 0 180px rgba(7,17,31,.02); }
.contact-inner { position: relative; z-index: 2; text-align: center; }
.contact .kicker { color: #162c73; }.contact h2 span { color: #182c78; }.contact-inner > p:nth-of-type(2) { max-width: 610px; margin: 28px auto 36px; font-size: 1.08rem; }
.button-light { background: #07111f; color: #fff; }

footer { position: relative; background: #050c15; overflow: hidden; }
footer::before { content: ""; position: absolute; right: -180px; top: -260px; width: 560px; height: 560px; border: 1px solid rgba(77,124,255,.08); border-radius: 50%; box-shadow: 0 0 0 90px rgba(77,124,255,.025), 0 0 0 180px rgba(77,124,255,.015); }
.footer-main { position: relative; display: grid; grid-template-columns: 1.25fr .55fr 1fr auto; gap: 64px; min-height: 265px; padding: 66px 0 58px; border-bottom: 1px solid var(--line); }
.footer-brand p { margin: 24px 0 0; color: #718695; font-size: .9rem; line-height: 1.7; }
.footer-nav, .footer-contact { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.footer-nav > p, .footer-contact > p { margin: 0 0 8px; color: #5e7483; font-size: .65rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.footer-nav a { color: #a6b7c3; font-size: .84rem; transition: color .2s, transform .2s; }.footer-nav a:hover { color: #fff; transform: translateX(3px); }
.footer-contact > a { display: inline-flex; align-items: center; gap: 13px; padding-bottom: 5px; border-bottom: 1px solid rgba(138,199,255,.35); color: #9bcaff; font: 600 1rem var(--display); }
.footer-contact small { max-width: 230px; margin-top: 8px; color: #617887; font-size: .7rem; }
.back-top { display: flex; flex-direction: column; align-items: center; gap: 8px; color: #7e99aa; font-size: .65rem; text-transform: uppercase; letter-spacing: .1em; }
.back-top span { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid rgba(138,199,255,.18); border-radius: 50%; color: #8ac7ff; font-size: 1rem; transition: transform .2s, border-color .2s; }.back-top:hover span { transform: translateY(-4px); border-color: rgba(138,199,255,.5); }
.footer-bottom { position: relative; display: flex; justify-content: space-between; align-items: center; padding: 21px 0 28px; color: #526976; font-size: .68rem; }
.footer-bottom div { display: flex; gap: 36px; }.footer-bottom div span:first-child { color: #687f8d; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes flow { to { stroke-dashoffset: -72; } }

@media (max-width: 980px) {
  .menu-toggle { display: grid; gap: 5px; }
  .menu-toggle > span:not(.sr-only) { display: block; width: 25px; height: 1px; background: #fff; }
  nav { position: absolute; left: 0; right: 0; top: 82px; padding: 26px 24px 32px; background: rgba(7,17,31,.97); border-bottom: 1px solid var(--line); display: none; flex-direction: column; align-items: flex-start; gap: 22px; }
  nav.open { display: flex; }
  .hero { min-height: 900px; }
  .hero-inner { grid-template-columns: 1fr; align-content: center; }
  .signal-panel { position: absolute; right: -60px; bottom: -40px; width: 430px; opacity: .62; }
  .hero-copy { position: relative; z-index: 2; max-width: 720px; }
  .hero-art { background-position: 44% 50%; opacity: .65; }
  .trust-strip { margin-top: 56px; }
  .section-heading, .approach-grid, .about-grid { grid-template-columns: 1fr; gap: 42px; }
  .section-heading .kicker { margin: 0 0 -30px; }
  .capability-grid { grid-template-columns: 1fr; }.capability-card { min-height: 330px; }.capability-card.featured { transform: none; }
  .approach-visual { margin-inline: auto; width: 100%; }.approach-copy { max-width: 680px; }
  .split-heading { grid-template-columns: 1fr; }.split-heading .kicker { margin: 0 0 13px; }
  .channel-list article { grid-template-columns: 40px minmax(220px, .8fr) 1fr; }.channel-use { grid-column: 3; }.use-cases { grid-template-columns: 1fr 1fr; }.use-case-intro { padding-left: 0; }
  .about-body .lead { margin-top: 0; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 46px; }.back-top { position: absolute; right: 0; top: 62px; }.footer-contact { grid-column: 2; }
}

@media (max-width: 680px) {
  .shell { width: min(100% - 32px, 1180px); }
  .nav-wrap { height: 70px; }.site-header nav { top: 70px; }
  .hero { padding-top: 70px; min-height: 810px; }
  .hero-inner { min-height: 640px; }
  .hero-copy { padding-top: 26px; }
  h1 { font-size: clamp(3.15rem, 15vw, 4.7rem); }
  .hero-lede { font-size: 1.03rem; max-width: 95%; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .signal-panel { display: none; }
  .trust-strip { align-items: flex-start; gap: 16px; flex-direction: column; padding-bottom: 22px; }
  .trust-strip div { flex-wrap: wrap; gap: 10px 24px; }
  .section { padding: 90px 0; }
  h2 { font-size: 2.75rem; }
  .section-heading { margin-bottom: 44px; }.section-heading .kicker { margin: 0 0 -20px; }
  .capability-card { padding: 27px; }.capability-graphic { margin-bottom: 34px; }
  .approach-grid { gap: 58px; }.loop-center { width: 120px; height: 120px; border-radius: 23px; }.loop-node { width: 132px; grid-template-columns: 24px 1fr; gap: 7px; padding: 9px; }.loop-node > span { width: 24px; height: 24px; }.node-a { left: 3%; }.node-b { right: 3%; }.node-c { bottom: 9%; }
  .approach-visual { aspect-ratio: .86; border-radius: 16px; }
  .loop-center { top: 54%; width: 110px; height: 110px; }
  .loop-node { width: 124px; border-radius: 10px; }
  .node-a, .node-b { top: 17%; }
  .node-c { bottom: 9%; }
  .visual-caption { inset: 19px 15px auto; font-size: .53rem; letter-spacing: .08em; }
  .channel-list article { grid-template-columns: 30px 1fr; gap: 9px 12px; padding: 22px 0; }
  .channel-name { gap: 11px; }.channel-icon { flex-basis: 39px; width: 39px; height: 39px; }
  .channel-list article > p { grid-column: 2; margin: 3px 0; }.channel-use { grid-column: 2; }
  .use-cases { grid-template-columns: 1fr; margin-top: 54px; }.use-case-intro { padding: 0 0 10px; }.use-case-card h4 { min-height: 0; }
  .about-grid { gap: 30px; }
  .contact { padding: 90px 0; }.contact::after { display: none; }
  .footer-main { grid-template-columns: 1fr; min-height: auto; gap: 36px; padding: 54px 0 44px; }.footer-contact { grid-column: 1; }.back-top { right: 0; top: 48px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 10px; }.footer-bottom div { flex-direction: column; gap: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}