:root{--midnight:#061522;--deep:#081b2b;--slate:#0b2338;--pgs-blue:#00427f;--electric:#169bff;--cyan:#35c5ff;--white:#f4f7fa;--silver:#aeb9c4;--charcoal:#26323d;--muted:#536272;--line:#29445d;--light-line:#d5dfe7;--heading:"Montserrat",Arial,sans-serif;--body:"Inter",Arial,sans-serif;--mono:"IBM Plex Mono",monospace;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;background:var(--midnight);color:var(--white);font:16px/1.62 var(--body)}img{max-width:100%}a{color:inherit}h1,h2,h3{font-family:var(--heading);text-wrap:balance}.wrap{width:min(calc(100% - 40px),var(--max));margin:auto}
header{position:sticky;top:0;z-index:30;background:rgba(247,249,251,.97);border-bottom:1px solid #d7e0e8;backdrop-filter:blur(16px)}nav{height:112px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;text-decoration:none;flex:0 0 auto}.brand-logo{display:block;width:clamp(390px,36vw,470px);height:auto}.navlinks{display:flex;align-items:center;gap:20px}.navlinks a{color:#24384b;text-decoration:none;font-size:.84rem;font-weight:750}.navlinks a:hover{color:var(--pgs-blue)}.nav-cta{padding:9px 14px;border:1px solid #8296a8;border-radius:4px}.mobile-toggle{display:none;background:none;border:0;color:#0b2742;font-size:1.35rem}
.hero{position:relative;overflow:hidden;min-height:720px;border-bottom:1px solid var(--line)}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(53,197,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(53,197,255,.045) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to right,transparent,black 34%,black)}.hero:after{content:"";position:absolute;width:560px;height:560px;right:-210px;top:-220px;border-radius:50%;background:rgba(22,155,255,.13);filter:blur(90px)}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center;padding:94px 0}.eyebrow,.kicker,.card-num,.step-num,.label{font:700 .75rem/1.4 var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--cyan)}.hero h1{max-width:820px;margin:18px 0 0;font-size:clamp(3.2rem,6.2vw,6.15rem);line-height:.93;letter-spacing:-.06em}.hero h1 span{color:var(--electric)}.lede{max-width:760px;margin:28px 0 32px;color:#bdcad6;font-size:clamp(1.06rem,1.75vw,1.28rem)}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:4px;text-decoration:none;font-weight:800;font-size:.92rem}.btn-primary{background:var(--electric);color:#04121e}.btn-primary:hover{background:var(--cyan)}.btn-secondary{border:1px solid #53718c;color:#e5eef6}.btn-secondary:hover{border-color:var(--cyan)}.light .btn-secondary{border-color:#71879a;color:#0b2943}.light .btn-secondary:hover{border-color:var(--pgs-blue)}
.intercept-visual{position:relative;min-height:510px;margin:0;overflow:hidden;border:1px solid #365069;background:#06101c;box-shadow:0 35px 80px rgba(0,0,0,.42)}.intercept-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:64% center}.intercept-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,21,34,.25),transparent 42%),linear-gradient(0deg,rgba(6,21,34,.84),transparent 38%)}.visual-label{position:absolute;z-index:2;left:22px;bottom:18px;color:#d8e8f3;font:700 .7rem/1.4 var(--mono);letter-spacing:.1em;text-transform:uppercase}.visual-label span{color:var(--cyan)}
section{padding:96px 0;border-bottom:1px solid var(--line)}.section-head{display:grid;grid-template-columns:.52fr 1.48fr;gap:64px;margin-bottom:50px}.section-head h2{margin:0;font-size:clamp(2.2rem,4.5vw,4.35rem);line-height:1.02;letter-spacing:-.045em}.section-head p{max-width:780px;margin:20px 0 0;color:var(--silver);font-size:1.05rem}.light{background:var(--white);color:var(--charcoal);border-bottom-color:var(--light-line)}.light .section-head p,.light .card p,.light .muted,.light .source-note{color:var(--muted)}.light .kicker,.light .card-num,.light .label{color:var(--pgs-blue)}
.problem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.problem-card{min-height:205px;padding:27px;background:#081827}.problem-card h3{margin:42px 0 9px;font-size:1.13rem}.problem-card p{margin:0;color:var(--silver);font-size:.92rem}
.concept-compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}.concept-card{position:relative;overflow:hidden;padding:28px;border:1px solid #35526a;background:#081827}.concept-card.predictive{border-color:var(--electric);background:linear-gradient(145deg,#0b3150,#081827)}.concept-card h3{margin:10px 0 20px;font-size:1.35rem}.concept-card p{margin:18px 0 0;color:var(--silver)}.concept-path{position:relative;height:92px;border-bottom:1px dashed #526d83}.concept-path:before{content:"";position:absolute;left:12%;right:13%;top:53%;height:2px;background:linear-gradient(90deg,#70879a,var(--cyan));transform:rotate(-8deg);transform-origin:center}.concept-path.reactive:before{background:linear-gradient(90deg,#70879a,#94a6b5)}.target-dot,.prediction-dot,.interceptor-dot{position:absolute;z-index:2;width:15px;height:15px;border-radius:50%;box-shadow:0 0 0 5px rgba(53,197,255,.12)}.target-dot{right:12%;top:20%;background:var(--cyan)}.prediction-dot{right:4%;top:3%;width:12px;height:12px;border:2px solid var(--cyan);background:#081827}.interceptor-dot{left:12%;bottom:5%;background:#aeb9c4;box-shadow:0 0 0 5px rgba(174,185,196,.1)}.concept-note{margin:16px 0 0;color:#8fa3b4;font-size:.8rem}
.guide-strip{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.guide-copy{padding:38px;border:1px solid #cbd7e0;background:#fff}.guide-copy h3{margin:10px 0 16px;font-size:clamp(1.8rem,3vw,3rem);line-height:1.05;color:#0a1c2d}.guide-copy p{margin:0;color:var(--muted)}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat{min-height:150px;padding:24px;background:#eaf0f5;border-top:4px solid var(--electric)}.stat strong{display:block;color:var(--pgs-blue);font-family:var(--heading);font-size:clamp(1.7rem,3vw,2.6rem);line-height:1}.stat span{display:block;margin-top:12px;color:#475969;font-size:.88rem}.record-link{display:inline-flex;margin-top:24px;color:var(--pgs-blue);font-weight:800;text-decoration:none}.record-link:hover{text-decoration:underline}
.architecture{display:grid;grid-template-columns:1fr 44px 1.15fr 44px 1fr 44px 1fr;align-items:stretch}.arch-node{min-height:180px;padding:25px;border:1px solid #35526a;background:#081827;display:flex;flex-direction:column;justify-content:space-between}.arch-node.core{background:linear-gradient(145deg,#0a4678,#09253d);border-color:var(--cyan);box-shadow:0 20px 50px rgba(0,0,0,.22)}.arch-node h3{margin:26px 0 0;font-size:1.1rem}.arch-node p{margin:10px 0 0;color:#b6c6d3;font-size:.89rem}.arch-arrow{display:grid;place-items:center;color:var(--cyan);font-size:1.7rem}.architecture-note{max-width:880px;margin:28px auto 0;color:var(--silver);text-align:center}
.test-panel{display:grid;grid-template-columns:.88fr 1.12fr;gap:20px}.test-callout{padding:38px;background:linear-gradient(145deg,#0c2940,#071725);border:1px solid #37607c}.test-callout h3{margin:16px 0 18px;font-size:clamp(2.2rem,4vw,4rem);line-height:1.02}.test-callout p{margin:0;color:#bbc9d6}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:12px}.comparison-card{padding:26px;border:1px solid var(--line);background:var(--slate)}.comparison-card strong{display:block;color:var(--cyan);font-family:var(--heading);font-size:1.12rem}.comparison-card p{margin:10px 0 0;color:var(--silver);font-size:.91rem}.same-bar{grid-column:1/-1;padding:20px 24px;background:#0d2d46;border-left:4px solid var(--electric);font-weight:800}.metrics{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}.metric{padding:7px 10px;border:1px solid #45627b;border-radius:999px;color:#c6d4df;font-size:.78rem}
.comparison-wide,.decision-line{grid-column:1/-1}.decision-line{padding:17px 22px;background:var(--electric);color:#04121e;font:850 1rem var(--heading);letter-spacing:.01em}
.success-grid,.market-grid,.evidence-grid,.platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{padding:28px;border:1px solid #cfd9e2;background:white}.card h3{margin:28px 0 10px;color:#0a1c2d;font-size:1.22rem}.card p{margin:0}.dark-card{border-color:var(--line);background:var(--slate)}.dark-card h3{color:var(--white)}.dark-card p{color:var(--silver)}.card-link{display:inline-flex;margin-top:18px;color:var(--cyan);font-weight:800;text-decoration:none;font-size:.88rem}.light .card-link{color:var(--pgs-blue)}.card-link:hover{text-decoration:underline}.disclaimer-note{margin:26px 0 0;color:#9fb0bf;font-size:.82rem}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.time-step{min-height:190px;padding:24px;background:#081827}.time-step h3{margin:38px 0 8px;font-size:1rem}.time-step p{margin:0;color:var(--silver);font-size:.86rem}.principle-copy{max-width:900px;margin:30px auto 0;color:var(--silver);text-align:center;font-size:1.05rem}
.gap-panel{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#cbd7e0;border:1px solid #cbd7e0}.gap-panel>div{padding:30px;background:#fff}.gap-panel h3{margin:10px 0 10px;color:#0a1c2d;font-size:1.35rem}.gap-panel p{margin:0;color:var(--muted)}
.platform-intro{max-width:900px;margin:-18px 0 38px;color:var(--silver)}.platform-grid .card{border-top:4px solid var(--electric)}.license-band{display:flex;align-items:center;justify-content:space-between;gap:28px;margin-top:28px;padding:28px 32px;background:#dfe9f1;border-left:4px solid var(--pgs-blue)}.license-band strong{color:var(--pgs-blue);font-family:var(--heading);font-size:1.25rem}.license-band span{color:#435565}
.contact{position:relative;overflow:hidden;text-align:center;background:linear-gradient(145deg,#0b2338,#0a1b2b)}.contact:after{content:"";position:absolute;width:480px;height:480px;left:-220px;bottom:-330px;border-radius:50%;background:rgba(22,155,255,.14);filter:blur(70px)}.contact .wrap{position:relative;z-index:1}.contact h2{max-width:940px;margin:14px auto 24px;font-size:clamp(2.7rem,5.4vw,5.2rem);line-height:.98;letter-spacing:-.05em}.contact p{max-width:780px;margin:0 auto 32px;color:#b6c5d2;font-size:1.08rem}.contact .actions{justify-content:center}.email{display:inline-block;margin-top:24px;color:var(--cyan);font-weight:800;text-decoration:none}.email:hover{text-decoration:underline}
.subhero{padding:84px 0 72px;background:radial-gradient(circle at 82% 0,rgba(22,155,255,.15),transparent 33%),var(--deep)}.subhero h1{max-width:920px;margin:16px 0;font-size:clamp(3rem,6vw,6rem);line-height:.94;letter-spacing:-.055em}.subhero p{max-width:790px;margin:0;color:#bccad6;font-size:1.1rem}.breadcrumb{color:var(--cyan);font:700 .75rem var(--mono);letter-spacing:.12em;text-transform:uppercase;text-decoration:none}.record-section{background:var(--white);color:var(--charcoal)}.record-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}.record-layout aside{position:sticky;top:120px;align-self:start}.record-layout aside p{color:var(--muted)}.record-body h2{margin:0 0 22px;font-size:clamp(2.15rem,4vw,3.8rem);line-height:1.03}.record-body h3{margin:36px 0 10px;font-size:1.35rem}.record-body p,.record-body li{color:var(--muted)}.record-body section{padding:0 0 52px;margin:0 0 52px;border-bottom:1px solid var(--light-line)}.record-body section:last-child{margin-bottom:0;border-bottom:0}.record-timeline{display:grid;gap:10px}.record-event{display:grid;grid-template-columns:110px 1fr;gap:22px;padding:20px;border:1px solid var(--light-line);background:#fff}.record-event time{color:var(--pgs-blue);font:800 .83rem var(--mono)}.record-event strong{display:block;color:#13283b}.record-event p{margin:5px 0 0;font-size:.92rem}.result-band{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}.result{padding:22px;background:#eaf0f5;border-top:4px solid var(--electric)}.result strong{display:block;color:var(--pgs-blue);font-size:1.7rem;font-family:var(--heading)}.result span{color:#536272;font-size:.85rem}.source-buttons{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.source-button{display:inline-flex;padding:11px 14px;border:1px solid #72879a;color:#103551;text-decoration:none;font-weight:800;font-size:.86rem}.source-button:hover{border-color:var(--pgs-blue);color:var(--pgs-blue)}
.evidence-layers{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.evidence-layer{padding:22px;border:1px solid var(--light-line);background:#fff}.evidence-layer h3{margin:8px 0 10px;font-size:1.08rem}.evidence-layer p{margin:0;font-size:.88rem}.source-library{display:grid;gap:12px}.source-item{padding:22px;border:1px solid var(--light-line);background:#fff}.source-item h3{margin:8px 0 8px}.source-item p{margin:6px 0}.source-meta{color:var(--pgs-blue);font:800 .75rem var(--mono);letter-spacing:.08em;text-transform:uppercase}.source-limit{font-size:.84rem}.provenance{margin-top:24px;padding:20px 22px;border-left:4px solid var(--electric);background:#0b2c46;color:#d2e0ea}.provenance strong{color:var(--cyan)}
footer{padding:40px 0;background:var(--white);color:#536272}.foot{display:flex;align-items:center;justify-content:space-between;gap:48px}.footer-logo{display:block;width:440px;height:auto}.fine{max-width:670px;margin:0;font-size:.8rem}
@media(max-width:1050px){.navlinks{gap:14px}.navlinks a:not(.nav-cta){display:none}.hero-grid,.test-panel,.guide-strip{grid-template-columns:1fr}.intercept-visual{min-height:430px}.success-grid,.market-grid,.evidence-grid,.platform-grid{grid-template-columns:repeat(2,1fr)}.architecture{grid-template-columns:1fr}.arch-arrow{min-height:42px;transform:rotate(90deg)}.timeline{grid-template-columns:repeat(2,1fr)}.record-layout{grid-template-columns:1fr}.record-layout aside{position:static}}
@media(max-width:700px){html{scroll-padding-top:82px}.wrap{width:min(calc(100% - 28px),var(--max))}nav{height:82px}.brand-logo{width:min(78vw,300px);height:auto}.navlinks{display:none;position:absolute;left:0;right:0;top:82px;padding:24px;background:#f7f9fb;border-bottom:1px solid #d7e0e8;flex-direction:column;align-items:flex-start}.navlinks a:not(.nav-cta){display:block}.mobile-toggle{display:block}.hero{min-height:auto}.hero-grid{padding:68px 0}.hero h1{font-size:clamp(3rem,13vw,4.25rem)}.section-head{grid-template-columns:1fr;gap:14px}.problem-grid,.success-grid,.market-grid,.evidence-grid,.platform-grid,.comparison,.stat-grid,.timeline,.result-band,.concept-compare,.gap-panel,.evidence-layers{grid-template-columns:1fr}.problem-card,.card,.time-step{min-height:auto}.problem-card h3,.card h3,.time-step h3{margin-top:22px}.same-bar,.comparison-wide,.decision-line{grid-column:auto}.license-band,.foot{align-items:flex-start;flex-direction:column}.footer-logo{width:min(100%,360px);height:auto}section{padding:74px 0}.architecture-note{text-align:left}.record-event{grid-template-columns:1fr}.subhero{padding:64px 0}}