:root {
  --ink: #070b0d;
  --ink-soft: #0a1013;
  --panel: #0d1417;
  --panel-2: #10191c;
  --line: rgba(169, 196, 193, 0.14);
  --line-strong: rgba(169, 196, 193, 0.25);
  --text: #edf3f1;
  --muted: #8d9c9b;
  --accent: #4eb8ad;
  --accent-bright: #74d0c6;
  --max: 1440px;
  --gutter: clamp(22px, 5vw, 76px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 92px; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }
button { font: inherit; }
p { color: var(--muted); line-height: 1.75; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: "Avenir Next", Inter, "Helvetica Neue", Arial, sans-serif; font-weight: 500; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.section-shell { width: min(100%, var(--max)); margin-inline: auto; padding-inline: var(--gutter); }
.page-grid { position: fixed; inset: 0; pointer-events: none; opacity: .22; background: linear-gradient(90deg, transparent calc(50% - .5px), rgba(113,151,148,.08) 50%, transparent calc(50% + .5px)); }

.site-header {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 30;
  width: min(100%, var(--max));
  height: 78px;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, rgba(7,11,13,.96), rgba(7,11,13,.76));
  border-bottom: 1px solid rgba(174,204,200,.12);
  backdrop-filter: blur(16px);
  transform: translateX(-50%);
}

.brand { display: inline-flex; align-items: center; gap: 11px; flex: none; }
.brand-mark { width: 31px; height: 31px; fill: none; stroke: var(--accent-bright); stroke-width: 1.15; }
.brand-mark path { stroke-linecap: square; stroke-linejoin: miter; }
.brand-mark .brand-node { fill: var(--accent-bright); stroke: none; }
.brand-name { font-family: "Avenir Next", Inter, sans-serif; font-size: 13px; font-weight: 600; letter-spacing: .17em; }
.brand-name b { color: var(--muted); font-weight: 500; }
.brand-logo { display: block; width: auto; max-width: 210px; height: 30px; object-fit: contain; }
.footer-brand .brand-logo { height: 26px; }

.site-nav { display: flex; align-items: center; gap: clamp(13px, 1.6vw, 27px); }
.site-nav a { position: relative; color: #a5b1b0; font-size: 11px; font-weight: 500; letter-spacing: .035em; white-space: nowrap; transition: color .25s ease; }
.site-nav a::after { content: ""; position: absolute; top: 24px; left: 0; width: 0; height: 1px; background: var(--accent); transition: width .25s ease; }
.site-nav a:hover, .site-nav a.active { color: var(--text); }
.site-nav a:hover::after, .site-nav a.active::after { width: 100%; }
.menu-toggle { display: none; width: 40px; height: 40px; padding: 0; border: 0; background: transparent; }
.menu-toggle span:not(.sr-only) { display: block; width: 22px; height: 1px; margin: 6px auto; background: var(--text); transition: transform .25s ease; }

.hero { min-height: 900px; height: min(100vh, 980px); padding-top: 78px; display: grid; grid-template-columns: 50% 50%; position: relative; border-bottom: 1px solid var(--line); }
.hero::before { content: ""; position: absolute; inset: 78px 0 0; background: radial-gradient(circle at 78% 40%, rgba(41, 113, 106, .13), transparent 38%); pointer-events: none; }
.hero-content { align-self: center; position: relative; z-index: 2; padding-right: clamp(26px, 5vw, 90px); }
.eyebrow, .section-index { color: #829492; font-size: 10px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 33px; }
.eyebrow span { width: 26px; height: 1px; background: var(--accent); box-shadow: 0 0 8px rgba(78,184,173,.5); }
.hero h1 { max-width: 720px; margin-bottom: 27px; font-size: clamp(42px, 4.5vw, 70px); line-height: 1.07; letter-spacing: -.045em; }
.hero-lede { max-width: 610px; margin-bottom: 34px; font-size: clamp(16px, 1.4vw, 19px); color: #b1bfbd; line-height: 1.7; }
.primary-button { display: inline-flex; align-items: center; gap: 48px; min-height: 52px; padding: 0 18px 0 21px; background: var(--accent); color: #04100f; font-size: 12px; font-weight: 600; letter-spacing: .06em; transition: background .25s ease, transform .25s ease; }
.primary-button:hover { background: var(--accent-bright); transform: translateY(-2px); }
.primary-button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.company-line { max-width: 590px; margin: 45px 0 0; padding-top: 25px; border-top: 1px solid var(--line); font-size: 12px; line-height: 1.75; }

.systems-map { align-self: center; position: relative; z-index: 2; min-height: 645px; border-left: 1px solid var(--line); border-right: 1px solid var(--line); background: rgba(11,18,21,.37); overflow: hidden; }
.map-topline { height: 44px; padding: 0 17px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); color: #7d8e8d; font-size: 8px; letter-spacing: .18em; }
.map-context { display: flex; align-items: center; gap: 7px; color: #9fbcba; }
.map-context i { width: 5px; height: 5px; border-radius: 50%; background: var(--accent-bright); box-shadow: 0 0 10px var(--accent-bright); }
.network { display: block; width: 100%; height: 530px; }
.topography { opacity: .14; }
.routes { stroke: #5aa69f; stroke-width: 1; opacity: .47; }
.pulse-routes { stroke: #8ce0d6; stroke-width: 1.2; stroke-dasharray: 2 22; animation: signalFlow 10s linear infinite; opacity: .8; }
.map-node .halo { fill: url(#nodeGlow); }
.map-node .ring, .map-node .outer { fill: #0b1517; stroke: #67c8be; stroke-width: 1; }
.map-node .outer { fill: none; stroke-dasharray: 3 4; opacity: .75; }
.map-node .core { fill: #80ddd3; filter: drop-shadow(0 0 5px #5bc8bd); }
.map-node.primary .outer { animation: slowSpin 24s linear infinite; transform-origin: center; }
.map-label rect { fill: rgba(7,14,16,.92); stroke: rgba(105,197,188,.45); stroke-width: 1; }
.map-label text { fill: #75928f; font-family: Inter, "Helvetica Neue", Arial, sans-serif; font-size: 7px; letter-spacing: .15em; }
.map-label .value { fill: #b5cfcc; font-size: 8px; }
.map-pillars { height: 70px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.map-pillars div { min-width: 0; padding: 15px 12px; border-right: 1px solid var(--line); }
.map-pillars div:last-child { border: 0; }
.map-pillars span, .map-pillars small { display: block; }
.map-pillars span { color: #cad8d6; font-family: "Avenir Next", Inter, sans-serif; font-size: 8px; line-height: 1.3; letter-spacing: .07em; overflow-wrap: anywhere; }
.map-pillars small { margin-top: 3px; color: #617573; font-size: 7px; letter-spacing: .15em; }

@keyframes signalFlow { to { stroke-dashoffset: -120; } }
@keyframes slowSpin { to { transform: rotate(360deg); } }

.thesis { min-height: 480px; display: grid; grid-template-columns: 21% 64% 15%; align-items: center; border-bottom: 1px solid var(--line); }
.thesis-copy { padding: 75px clamp(25px, 5vw, 75px); border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.thesis h2 { max-width: 820px; margin-bottom: 30px; font-size: clamp(31px, 3.2vw, 49px); line-height: 1.2; letter-spacing: -.035em; }
.thesis p { max-width: 730px; margin: 0; font-size: 15px; }
.signal-mark { justify-self: center; position: relative; width: 74px; height: 74px; display: grid; place-items: center; }
.signal-mark i { position: absolute; border: 1px solid rgba(79,184,173,.24); border-radius: 50%; }
.signal-mark i:nth-child(1) { width: 22px; height: 22px; }
.signal-mark i:nth-child(2) { width: 44px; height: 44px; }
.signal-mark i:nth-child(3) { width: 70px; height: 70px; }
.signal-mark span { width: 5px; height: 5px; background: var(--accent-bright); border-radius: 50%; box-shadow: 0 0 10px var(--accent); }

.panel-section { padding-top: 120px; padding-bottom: 120px; background: rgba(13,20,23,.7); border-bottom: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 9vw, 150px); align-items: end; margin-bottom: 70px; }
.section-heading .section-index, .about-heading .section-index, .approach-copy .section-index, .contact .section-index { margin-bottom: 26px; }
.section-heading h2, .approach h2, .about h2 { max-width: 720px; margin: 0; font-size: clamp(32px, 3.5vw, 52px); line-height: 1.16; letter-spacing: -.035em; }
.section-heading > p { max-width: 570px; margin: 0; }
.section-heading.compact h2 { font-size: clamp(32px, 3vw, 46px); }
.mission-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.mission-grid article { position: relative; min-height: 325px; padding: 28px; border-right: 1px solid var(--line); background: linear-gradient(145deg, rgba(19,29,32,.65), rgba(8,13,15,.4)); }
.mission-grid article:last-child { border-right: 0; }
.card-code { color: #637573; font-size: 8px; letter-spacing: .15em; }
.mission-grid svg { display: block; width: 52px; height: 52px; margin: 56px 0 39px; fill: none; stroke: var(--accent); stroke-width: 1; }
.mission-grid h3 { margin-bottom: 10px; font-size: 21px; }
.mission-grid p { max-width: 300px; margin: 0; font-size: 13px; }

.why, .applications { padding-top: 130px; padding-bottom: 130px; border-bottom: 1px solid var(--line); }
.split-line { padding-bottom: 65px; border-bottom: 1px solid var(--line); }
.pressure-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.pressure-grid article { min-height: 275px; padding: 45px 28px 30px; border-right: 1px solid var(--line); }
.pressure-grid article:first-child { padding-left: 0; }
.pressure-grid article:last-child { border-right: 0; }
.pressure-grid strong, .application-grid > article > span, .partner-list > article > span { color: var(--accent); font-size: 9px; font-weight: 500; letter-spacing: .12em; }
.pressure-grid h3 { margin: 74px 0 15px; font-size: 18px; }
.pressure-grid p { margin: 0; font-size: 12px; }

.work { overflow: hidden; }
.sequence { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.sequence::before { content: ""; position: absolute; left: 0; top: -1px; width: 75%; height: 1px; background: linear-gradient(90deg, var(--accent), rgba(78,184,173,.2)); }
.sequence li { position: relative; min-height: 325px; padding: 30px 25px 20px 0; border-right: 1px solid var(--line); display: flex; flex-direction: column; justify-content: space-between; }
.sequence li:not(:first-child) { padding-left: 25px; }
.sequence li:last-child { border: 0; }
.sequence li::before { content: ""; position: absolute; top: -4px; left: -3px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent-bright); box-shadow: 0 0 12px rgba(89,200,189,.8); }
.sequence li > span { font-family: "Avenir Next", Inter, sans-serif; color: #637573; font-size: 36px; font-weight: 400; letter-spacing: -.05em; }
.sequence small { color: #5e706f; font-size: 8px; letter-spacing: .14em; }
.sequence h3 { margin: 9px 0 12px; font-size: 18px; }
.sequence p { margin: 0; font-size: 12px; }

.application-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.application-grid article { min-height: 290px; padding: 25px 26px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s ease; }
.application-grid article:nth-child(3n) { border-right: 0; }
.application-grid article:nth-child(n+4) { border-bottom: 0; }
.application-grid article:hover { background: rgba(24,48,48,.24); }
.app-icon { position: relative; width: 68px; height: 68px; margin: 45px 0 32px; border: 1px solid rgba(92,158,153,.38); background: linear-gradient(135deg, rgba(67,153,145,.12), transparent); }
.app-icon::before, .app-icon::after { content: ""; position: absolute; }
.app-icon::before { inset: 16px; border: 1px solid var(--accent); }
.app-icon::after { width: 5px; height: 5px; top: 31px; left: 31px; border-radius: 50%; background: var(--accent-bright); box-shadow: 0 0 10px var(--accent); }
.app-icon.remote::before { border-radius: 50%; border-style: dashed; }
.app-icon.base::before { transform: rotate(45deg); }
.app-icon.mobile::before { inset: 21px 11px; border-left-width: 6px; border-right-width: 6px; }
.app-icon.production::before { inset: 24px 12px 10px; border-top: 7px double var(--accent); }
.app-icon.data::before { inset: 12px 18px; border-top-width: 5px; border-bottom-width: 5px; }
.app-icon.critical::before { inset: 12px 22px; border-radius: 20px 20px 4px 4px; }
.application-grid h3 { margin-bottom: 9px; font-size: 17px; }
.application-grid p { margin: 0; font-size: 12px; }

.approach { min-height: 720px; padding-top: 120px; padding-bottom: 120px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 25% 50%, rgba(42,111,105,.11), transparent 32%); }
.approach-visual { position: relative; width: min(90%, 540px); aspect-ratio: 1; justify-self: center; }
.orbit { position: absolute; inset: 10%; border: 1px solid rgba(82,154,148,.22); border-radius: 50%; }
.orbit-two { inset: 22%; }
.orbit-three { inset: 34%; }
.orbit::before, .orbit::after { content: ""; position: absolute; background: rgba(99,162,157,.18); }
.orbit::before { left: 50%; top: -10%; width: 1px; height: 120%; }
.orbit::after { top: 50%; left: -10%; height: 1px; width: 120%; }
.orbit i { position: absolute; width: 7px; height: 7px; border: 1px solid var(--accent-bright); background: var(--ink); border-radius: 50%; }
.orbit-one i { left: 14%; top: 14%; }
.orbit-two i { right: 5%; bottom: 28%; }
.orbit-three i { left: 5%; bottom: 28%; }
.approach-core { position: absolute; inset: 42%; z-index: 2; border: 1px solid var(--accent); background: var(--ink-soft); display: grid; place-content: center; text-align: center; box-shadow: 0 0 45px rgba(52,150,141,.12); }
.approach-core span { font-size: 11px; font-weight: 600; letter-spacing: .14em; }
.approach-core small { margin-top: 5px; color: #66817e; font-size: 6px; letter-spacing: .1em; }
.orbit-label { position: absolute; padding: 8px 10px; border: 1px solid var(--line); background: var(--ink); color: #7d9391; font-size: 7px; line-height: 1.3; letter-spacing: .15em; white-space: nowrap; }
.label-one { top: 9%; left: 50%; transform: translateX(-50%); }.label-two { top: 45%; right: 1%; }.label-three { bottom: 8%; left: 50%; transform: translateX(-50%); }.label-four { top: 45%; left: 0; }
.approach-copy { padding-left: clamp(20px, 6vw, 100px); border-left: 1px solid var(--line); }
.approach-copy p { max-width: 540px; margin: 30px 0 45px; }
.approach-copy ul { max-width: 540px; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.approach-copy li { display: flex; align-items: center; gap: 24px; padding: 17px 0; border-bottom: 1px solid var(--line); color: #bdc9c7; font-size: 13px; }
.approach-copy li span { color: var(--accent); font-size: 8px; letter-spacing: .12em; }

.partner-list { border-top: 1px solid var(--line); }
.partner-list article { position: relative; min-height: 130px; display: grid; grid-template-columns: 8% 28% 1fr 30px; align-items: center; gap: 24px; border-bottom: 1px solid var(--line); transition: background .25s ease; }
.partner-list article:hover { background: rgba(26,45,46,.22); }
.partner-list h3 { margin: 0; font-size: 18px; }
.partner-list p { max-width: 540px; margin: 0; font-size: 13px; }
.partner-list i { position: relative; width: 28px; height: 28px; border: 1px solid var(--line-strong); border-radius: 50%; }
.partner-list i::before, .partner-list i::after { content: ""; position: absolute; background: var(--accent); }
.partner-list i::before { width: 8px; height: 1px; left: 9px; top: 13px; }
.partner-list i::after { width: 1px; height: 8px; left: 13px; top: 9px; }

.about { min-height: 720px; padding-top: 140px; padding-bottom: 140px; display: grid; grid-template-columns: minmax(0, 47fr) minmax(0, 53fr); gap: clamp(50px, 8vw, 130px); border-bottom: 1px solid var(--line); }
.about-heading, .about-copy { min-width: 0; }
.about-copy { padding-top: 60px; }
.large-copy { color: #c3cfcd; font-family: "Avenir Next", Inter, sans-serif; font-size: clamp(20px, 2vw, 27px); line-height: 1.55; letter-spacing: -.015em; }
.about-copy > p:not(.large-copy) { max-width: 650px; margin-top: 35px; }
.registry { margin-top: 55px; padding: 18px clamp(12px, 1.5vw, 20px); display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: #617471; font-size: 7px; letter-spacing: .13em; }
.registry span { min-width: 0; }
.registry span:first-child { flex: 0 0 auto; }
.registry span:last-child { flex: 1 1 auto; text-align: right; overflow-wrap: break-word; }

.contact { position: relative; min-height: 570px; display: grid; place-items: center; overflow: hidden; border-bottom: 1px solid var(--line); background: radial-gradient(circle at center, rgba(36,115,108,.18), transparent 52%), #091013; }
.contact-grid { position: absolute; inset: 0; opacity: .4; background-image: linear-gradient(rgba(105,161,157,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(105,161,157,.08) 1px, transparent 1px); background-size: 54px 54px; mask-image: radial-gradient(circle, #000, transparent 70%); }
.contact-inner { position: relative; z-index: 1; width: 100%; max-width: 850px; padding: 100px 0; text-align: center; }
.contact h2 { margin-bottom: 25px; font-size: clamp(36px, 4.7vw, 66px); line-height: 1.1; letter-spacing: -.045em; }
.contact p { max-width: 650px; margin: 0 auto 44px; }
.contact-email { display: inline-flex; align-items: center; gap: 18px; padding-bottom: 8px; border-bottom: 1px solid var(--accent); color: var(--accent-bright); font-family: "Avenir Next", Inter, sans-serif; font-size: clamp(15px, 1.6vw, 20px); }
.contact-email svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.25; }

.site-footer { min-height: 130px; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; }
.site-footer > * { min-width: 0; }
.site-footer p { margin: 0; color: #536360; font-size: 9px; letter-spacing: .09em; text-transform: uppercase; }
.site-footer p:nth-child(2) { text-align: center; }
.site-footer p:last-child { text-align: right; }

@media (max-width: 1100px) {
  .site-header { height: 70px; }
  .menu-toggle { display: block; position: relative; z-index: 2; }
  .site-nav { position: absolute; top: 69px; left: 0; right: 0; padding: 22px var(--gutter) 30px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; background: rgba(7,11,13,.98); border-bottom: 1px solid var(--line); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: .25s ease; }
  .site-nav a { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .site-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }
  .hero { height: auto; min-height: auto; padding-top: 145px; padding-bottom: 90px; grid-template-columns: 1fr; gap: 64px; }
  .hero::before { inset: 70px 0 0; background: radial-gradient(circle at 70% 55%, rgba(41, 113, 106, .13), transparent 42%); }
  .hero-content { max-width: 780px; padding-right: 0; }
  .company-line { margin-bottom: 0; }
  .systems-map { min-height: 590px; }
  .network { height: 475px; }
  .pressure-grid { grid-template-columns: repeat(2, 1fr); }
  .pressure-grid article:nth-child(2) { border-right: 0; }
  .pressure-grid article:nth-child(n+3) { border-top: 1px solid var(--line); }
  .pressure-grid article:nth-child(3) { padding-left: 0; }
  .sequence { grid-template-columns: repeat(2, 1fr); }
  .sequence::before { width: 100%; }
  .sequence li:nth-child(2) { border-right: 0; }
  .sequence li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .application-grid { grid-template-columns: repeat(2, 1fr); }
  .application-grid article:nth-child(3n) { border-right: 1px solid var(--line); }
  .application-grid article:nth-child(2n) { border-right: 0; }
  .application-grid article:nth-child(n+4) { border-bottom: 1px solid var(--line); }
  .application-grid article:nth-child(n+5) { border-bottom: 0; }
  .approach { min-height: auto; grid-template-columns: 1fr; gap: 80px; }
  .approach-visual { width: min(74vw, 540px); }
  .approach-copy { max-width: 760px; padding-left: 0; border-left: 0; }
  .about { grid-template-columns: 1fr; min-height: auto; }
  .about-heading h2 { max-width: 850px; }
  .about-copy { max-width: 760px; padding-top: 0; }
}

@media (max-width: 760px) {
  :root { --gutter: 21px; }
  html { scroll-padding-top: 70px; }
  .brand-name { font-size: 11px; }
  .hero { min-height: auto; padding-top: 130px; padding-bottom: 70px; display: block; }
  .hero::before { inset: 70px 0 0; }
  .hero h1 { font-size: clamp(39px, 12.5vw, 56px); }
  .hero-content { padding-right: 0; }
  .company-line { margin-bottom: 50px; }
  .systems-map { min-height: 470px; margin-inline: calc(var(--gutter) * -1); border-right: 0; }
  .network { height: 390px; }
  .map-pillars { height: 64px; }
  .map-pillars div { padding: 12px 6px; }
  .map-pillars span { font-size: 6.5px; letter-spacing: .045em; }
  .map-pillars small { font-size: 6px; letter-spacing: .08em; }
  .thesis { min-height: auto; padding-top: 90px; padding-bottom: 90px; display: block; }
  .thesis > .section-index { margin-bottom: 30px; }
  .thesis-copy { padding: 0; border: 0; }
  .thesis h2 { font-size: 32px; }
  .signal-mark { display: none; }
  .panel-section, .why, .applications, .approach, .about { padding-top: 90px; padding-bottom: 90px; }
  .section-heading { grid-template-columns: 1fr; gap: 26px; margin-bottom: 50px; }
  .section-heading h2, .approach h2, .about h2 { font-size: 34px; }
  .mission-grid { grid-template-columns: 1fr; }
  .mission-grid article { min-height: 250px; border-right: 0; border-bottom: 1px solid var(--line); }
  .mission-grid article:last-child { border-bottom: 0; }
  .mission-grid svg { margin: 35px 0 28px; }
  .split-line { padding-bottom: 48px; }
  .pressure-grid { grid-template-columns: 1fr; }
  .pressure-grid article, .pressure-grid article:nth-child(3) { min-height: 225px; padding: 32px 0; border-right: 0; border-top: 1px solid var(--line); }
  .pressure-grid article:first-child { border-top: 0; }
  .pressure-grid h3 { margin-top: 48px; }
  .sequence { grid-template-columns: 1fr; }
  .sequence li, .sequence li:not(:first-child) { min-height: 260px; padding: 30px 0; border-right: 0; border-top: 1px solid var(--line); }
  .sequence li:first-child { border-top: 0; }
  .sequence li::before { left: 0; }
  .application-grid { grid-template-columns: 1fr; }
  .application-grid article, .application-grid article:nth-child(3n), .application-grid article:nth-child(n+4) { min-height: 250px; border-right: 0; border-bottom: 1px solid var(--line); }
  .application-grid article:last-child { border-bottom: 0; }
  .app-icon { margin: 34px 0 26px; }
  .approach { min-height: auto; grid-template-columns: 1fr; gap: 75px; }
  .approach-visual { width: 100%; }
  .approach-copy { padding-left: 0; border-left: 0; }
  .partner-list article { min-height: 170px; padding: 25px 0; grid-template-columns: 35px 1fr 28px; gap: 15px; }
  .partner-list article p { grid-column: 2 / 4; }
  .partner-list i { grid-column: 3; grid-row: 1; }
  .about { gap: 40px; }
  .about-copy { padding: 0; }
  .registry { display: grid; gap: 10px; padding-inline: 12px; }
  .registry span:last-child { text-align: left; }
  .contact { min-height: 610px; }
  .contact h2 { font-size: 40px; }
  .contact-email { font-size: 14px; }
  .site-footer { padding-top: 40px; padding-bottom: 40px; grid-template-columns: 1fr; gap: 20px; }
  .site-footer p:nth-child(2), .site-footer p:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}