:root{--bg:#070a0d;--panel:#0d1217;--panel2:#111820;--text:#f3f6f8;--muted:#aeb9c3;--line:#26313b;--accent:#4fd1ff;--white:#fff;--max:1220px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.76rem;color:var(--accent);font-weight:700}.display{font-size:clamp(2.8rem,6vw,6.7rem);line-height:.94;letter-spacing:-.055em;margin:.2em 0}.h2{font-size:clamp(2.2rem,4.5vw,4.6rem);line-height:1;letter-spacing:-.045em;margin:.25em 0}.lead{font-size:clamp(1.08rem,1.7vw,1.35rem);color:var(--muted);max-width:800px}.small{font-size:.88rem;color:var(--muted)}
nav{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(7,10,13,.78);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}.navin{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{font-weight:800;letter-spacing:.06em}.brand span{color:var(--accent)}.links{display:flex;gap:25px;align-items:center;font-size:.88rem;color:#d5dde3}.links a:hover{color:var(--accent)}.navcta{border:1px solid #53616d;padding:10px 16px;border-radius:4px}
.hero{min-height:100vh;display:grid;align-items:end;position:relative;overflow:hidden;padding:150px 0 76px;background-image:linear-gradient(90deg,rgba(3,7,10,.88) 0%,rgba(3,7,10,.62) 38%,rgba(3,7,10,.18) 70%,rgba(3,7,10,.12) 100%),linear-gradient(0deg,rgba(3,7,10,.58) 0%,transparent 48%),url("hero.png");background-size:cover;background-position:center center}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,10,13,.12) 1px,transparent 1px),linear-gradient(rgba(7,10,13,.12) 1px,transparent 1px);background-size:56px 56px;opacity:.16}.hero .wrap{position:relative;z-index:2}.hero-copy{max-width:1020px}.hero .lead{max-width:750px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 21px;border-radius:4px;font-weight:700;font-size:.92rem;border:1px solid #53616d}.btn.primary{background:var(--white);color:#070a0d;border-color:var(--white)}.btn:hover{transform:translateY(-1px)}.patentline{margin-top:36px;color:#85929c;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase}
section{padding:110px 0;border-top:1px solid var(--line)}.light{background:#f2f5f6;color:#0a0d10}.light .lead,.light .small{color:#4c5862}.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:end}.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:55px;border:1px solid var(--line)}.card{background:var(--panel);padding:36px;min-height:270px}.light .card{background:white}.card h3{font-size:1.45rem;margin:.25em 0 1em}.card p{color:var(--muted)}.light .card p{color:#59656e}.bigword{font-size:clamp(2rem,3.5vw,3.8rem);line-height:1;font-weight:800;letter-spacing:-.04em}
.diagram{margin-top:50px;border:1px solid var(--line);background:linear-gradient(135deg,#0c1217,#080b0e);padding:36px}.flow{display:grid;grid-template-columns:repeat(5,1fr);align-items:center;gap:12px}.node{min-height:120px;border:1px solid #35424d;padding:22px;display:flex;align-items:center;justify-content:center;text-align:center;font-weight:700;background:#0d1318}.arrow{text-align:center;color:var(--accent);font-size:1.7rem}.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:32px}.step{border-top:2px solid #33414c;padding-top:18px}.step b{display:block;color:var(--accent);font-size:.76rem;letter-spacing:.12em;margin-bottom:8px}.statement{font-size:clamp(2.2rem,5vw,5.5rem);font-weight:800;line-height:.98;letter-spacing:-.05em;margin:70px 0 0}
.section-image{width:100%;aspect-ratio:16/8;object-fit:cover;border:1px solid #35424d;margin-top:46px}.image-panel{position:relative;margin-top:46px;overflow:hidden;border:1px solid #35424d}.image-panel img{width:100%;aspect-ratio:16/8;object-fit:cover}.image-panel:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(7,10,13,.46))}.light .image-panel{border-color:#cbd3d8}.steam-visual{margin-top:48px}.steam-visual img{width:100%;aspect-ratio:16/7;object-fit:cover;border:1px solid #cbd3d8}.architecture-visual{margin-top:46px}.architecture-visual img{width:100%;aspect-ratio:16/7;object-fit:cover;border:1px solid #35424d}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:45px}.comparebox{border:1px solid var(--line);padding:36px;background:var(--panel)}.comparebox h3{font-size:1.45rem}.chain{font-size:clamp(1.15rem,2vw,1.65rem);font-weight:700;line-height:1.7}.chain span{color:var(--accent);padding:0 7px}
.steamgrid{display:grid;grid-template-columns:1fr;gap:34px}.architecture{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:10px}.archrow{border:1px solid #cbd3d8;padding:22px 20px;background:#fff;color:#101820;min-height:150px;display:flex;flex-direction:column;justify-content:space-between}.archrow b{display:block;color:#101820;font-size:1rem;letter-spacing:.02em}.archrow p{margin:10px 0 0;color:#5a6670;font-size:.9rem;line-height:1.5}.archrow span{color:#087ea4;font-size:.75rem;font-weight:800;letter-spacing:.14em}.arch-arrow{display:none}
.twocards{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:50px}.feature{min-height:410px;border:1px solid var(--line);padding:42px;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(180deg,rgba(79,209,255,.08),transparent 60%),var(--panel)}.feature h3{font-size:2rem;margin:.3em 0}.feature p{color:var(--muted)}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:48px}.metric{background:var(--panel);padding:34px;min-height:220px}.metric h3{font-size:1.35rem;color:var(--accent);letter-spacing:.04em}.metric p{color:var(--muted)}
.apps{display:grid;grid-template-columns:2fr repeat(2,1fr);gap:14px;margin-top:50px}.app{min-height:260px;border:1px solid var(--line);padding:28px;display:flex;align-items:flex-end;background:linear-gradient(160deg,#121b22,#080b0e)}.app:first-child{grid-row:span 2;min-height:534px}.app h3{font-size:1.5rem;margin:0}
.ipcards{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:50px}.ip{border:1px solid #cbd3d8;padding:38px;background:#fff}.ip h3{font-size:1.8rem;margin:.3em 0}.ip p{color:#4d5962}.ip .number{font-size:.8rem;color:#6d7982;border-top:1px solid #dbe1e5;padding-top:20px;margin-top:25px}
.cta{text-align:center;padding:130px 0}.cta .lead{margin:20px auto}.footer{border-top:1px solid var(--line);padding:45px 0 60px}.footerin{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}.footlinks{display:flex;gap:18px;flex-wrap:wrap;color:#9ba7b0;font-size:.85rem}
@media(max-width:900px){.links a:not(.navcta){display:none}.intro-grid,.steamgrid{grid-template-columns:1fr;gap:30px}.architecture{grid-template-columns:1fr 1fr}.cards3,.metrics{grid-template-columns:1fr 1fr}.flow{grid-template-columns:1fr}.arrow{transform:rotate(90deg)}.steps{grid-template-columns:1fr 1fr}.apps{grid-template-columns:1fr 1fr}.app:first-child{grid-row:auto;grid-column:span 2;min-height:320px}}
@media(max-width:620px){.architecture{grid-template-columns:1fr}.hero{background-position:62% center}.hero:before{content:"";position:absolute;inset:0;background:rgba(3,7,10,.2)}.wrap{width:min(var(--max),calc(100% - 30px))}.cards3,.metrics,.twocards,.compare,.ipcards,.apps,.steps{grid-template-columns:1fr}.app:first-child{grid-column:auto}.hero{padding-bottom:50px}.display{font-size:3.3rem}section{padding:78px 0}.footerin{flex-direction:column}.navcta{padding:9px 11px}}

/* Prominent patent platform section */
.patent-platform{background:linear-gradient(180deg,#090d11 0%,#0d1319 100%)}
.patent-intro{max-width:900px;margin-bottom:46px}
.patent-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.patent-panel{background:linear-gradient(145deg,rgba(255,255,255,.045),rgba(255,255,255,.018));border:1px solid #2b3944;border-radius:8px;padding:34px;position:relative;overflow:hidden}
.patent-panel:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent)}
.patent-panel h3{font-size:1.65rem;line-height:1.15;margin:8px 0 10px}
.patent-sub{color:var(--accent);font-size:.88rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:20px}
.patent-panel p{color:var(--muted)}
.patent-flow{margin:26px 0 24px;display:grid;gap:8px}
.patent-flow div{border:1px solid #2b3944;background:#090d11;padding:11px 13px;font-size:.82rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.patent-flow div:not(:last-child):after{content:"↓";display:block;color:var(--accent);height:0;position:relative;top:11px;text-align:center;z-index:2}
.patent-number{margin-top:24px;padding-top:18px;border-top:1px solid #2b3944;color:#d8e1e7;font-size:.8rem;font-weight:700;letter-spacing:.035em}
.patent-bridge{margin-top:28px;border:1px solid #2b3944;background:#080c10;padding:28px 32px;text-align:center;font-size:clamp(1.25rem,2.2vw,1.8rem);line-height:1.35;font-weight:700}
.patent-bridge span{color:var(--accent)}
.patent-note{max-width:900px;margin:22px auto 0;text-align:center;color:#8f9ca6;font-size:.88rem}
@media(max-width:900px){.patent-grid{grid-template-columns:1fr}}
/* Frequency support: prominent, responsive and consistent with the existing design. */
section[id]{scroll-margin-top:90px}
a:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
.hero-patents{color:#d3dce3;max-width:760px}
.frequency-section{background:radial-gradient(ellipse at top right,rgba(79,209,255,.10),transparent 55%),#0a1015}
.frequency-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:44px}
.frequency-card{border:1px solid #33434f;background:rgba(13,19,25,.8);padding:30px}
.frequency-card h3{font-size:1.45rem;line-height:1.25;letter-spacing:-.025em;margin:18px 0}
.frequency-card p{color:var(--muted);margin-bottom:0}
.frequency-result{display:grid;grid-template-columns:1fr 1.4fr;gap:30px;align-items:center;margin-top:26px;padding:28px 32px;border-left:3px solid var(--accent);background:#111c24}
.frequency-result h3{font-size:1.6rem;margin:10px 0 0}
.frequency-result p{font-size:1.13rem;line-height:1.6;margin:10px 0 0}
.frequency-context{max-width:950px;margin-top:24px}
.light .eyebrow{color:#087ea4}
@media(max-width:1100px){.links{gap:14px;font-size:.8rem}}
@media(max-width:900px){.frequency-grid,.frequency-result{grid-template-columns:1fr}.frequency-result{gap:20px}.frequency-card{padding:28px}}
@media(max-width:620px){.display{font-size:clamp(2.4rem,9.5vw,3.3rem)}.frequency-result{padding:25px}.navin{gap:10px}.brand{font-size:.88rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn:hover{transform:none}}

/* Multi-page site additions */
:root{--orange:#ff8a21} body{overflow-x:hidden} .links{flex-wrap:wrap} .links a.active{color:#ff9b42;border-bottom:2px solid #ff8a21;padding-bottom:7px}
.page-hero{padding:115px 0 65px;background:radial-gradient(ellipse at 85% 20%,#183c50 0%,transparent 45%),linear-gradient(135deg,#0a1219,#142531 65%,#0a1219)}
.page-hero .h2{max-width:900px;font-size:clamp(2.5rem,5vw,4.9rem)}.page-hero .lead{max-width:920px}
.section-pad{padding:75px 0}.kicker{font-size:.8rem;text-transform:uppercase;letter-spacing:.16em;color:#ff9b42;font-weight:800;margin-bottom:12px}
.split-tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin:34px 0}.tile{padding:30px;border:1px solid #355064;background:#101d28}.tile h3{font-size:1.5rem;margin:0 0 12px}.tile p{color:#b9c8d1;line-height:1.7}
.feature-image{width:100%;display:block;border-radius:3px;border:1px solid #344654}.image-caption{font-size:.84rem;color:#9fb0bb;margin-top:11px}
.highlight-strip{border-left:4px solid #ff8a21;background:#13222e;padding:25px 30px;margin:30px 0;font-size:1.2rem;line-height:1.6}
.diagram{display:flex;align-items:stretch;gap:12px;flex-wrap:wrap;margin:34px 0}.diagram div{flex:1;min-width:150px;background:#142938;border:1px solid #35556a;padding:25px 15px;text-align:center;font-weight:700}.diagram span{color:#ff8a21;align-self:center;font-size:1.5rem}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.mini-grid article{border:1px solid #2d4555;padding:25px;background:#111f2a}.mini-grid h3{margin:0 0 12px;font-size:1.3rem}.mini-grid p{color:#b6c4cc}
.copy-note{font-size:.88rem;color:#a8b8c2;line-height:1.6}.site-footer{padding:35px 0;border-top:1px solid #324250;background:#081017;color:#a7b6c0}.site-footer a{color:#d9e4ea}
@media(max-width:850px){.mini-grid,.split-tiles{grid-template-columns:1fr}.page-hero{padding:90px 0 48px}.links{gap:9px}.navin{align-items:flex-start}.diagram span{display:none}}

/* Self-contained original illustrations, October 2026 */
.hero{background-image:linear-gradient(90deg,rgba(3,7,10,.94) 0%,rgba(3,7,10,.78) 42%,rgba(3,7,10,.12) 100%),url("hero.jpg")}
.visual-banner{display:block;width:100%;height:clamp(260px,35vw,480px);object-fit:cover;border:1px solid #304454;border-radius:6px;margin:30px 0 18px}
.visual-banner.small{height:clamp(230px,26vw,350px)}
.image-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:35px}
.image-grid figure{margin:0;background:#101b24;border:1px solid #2d404e;border-radius:5px;overflow:hidden}
.image-grid img{width:100%;height:200px;object-fit:cover}
.image-grid figcaption{padding:14px 16px;color:#e7edf2;font-weight:650}
.visual-caption{font-size:.83rem;color:#9aabb8;margin:0 0 25px}
@media(max-width:720px){.image-grid{grid-template-columns:1fr}.image-grid img{height:230px}}

/* 2026 visual asset update */
img{max-width:100%;height:auto}
.visual-banner{display:block;width:100%;height:auto;max-height:540px;object-fit:cover;object-position:center}
.visual-banner.small{max-height:420px;object-fit:contain;background:#09121c}
.image-grid img{width:100%;height:240px;object-fit:cover;object-position:center}
.uca-feature-image{margin:32px 0 20px}
.uca-feature-image img{display:block;width:100%;height:auto;max-height:680px;object-fit:contain;border:1px solid #294252;border-radius:5px}
.uca-feature-image figcaption{font-size:.82rem;color:#9aaebc;margin-top:10px}
.patent-illustration{width:100%;height:auto;display:block;margin:18px 0;border:1px solid #284355;border-radius:5px}
@media(max-width:700px){.image-grid img{height:220px}.visual-banner{max-height:none}}

/* Non-cropping responsive images; preserves September 21 styling */
.image-grid figure{min-width:0;margin:0;overflow:hidden}.image-grid img{display:block;width:100%;height:260px;object-fit:contain;object-position:center;background:#0b131b}.visual-banner{width:100%;max-height:480px;object-fit:contain;object-position:center;background:#0b131b}.feature-image{width:100%;height:auto;max-height:680px;object-fit:contain}.uca-feature-image img{width:100%;height:auto;max-height:680px;object-fit:contain}.image-grid figcaption{padding:10px 14px} @media(max-width:720px){.image-grid img{height:220px}.visual-banner{max-height:340px}}