/* ============================================================
   GREENIE POSITIVE — SPPE
   Design direction: "Technical Ledger, Green Edition"
   Static site · no external fonts, scripts or assets.
   ============================================================ */

/* ---------- tokens ---------- */
:root{
  --paper:#F6F7F4; --card:#FFFFFF; --ink:#121A15; --ink-2:#37423B; --mut:#68736B;
  --rule:#D9DFD7; --rule-soft:#E6EAE3; --green:#046322; --green-deep:#0A3A20;
  --green-tint:#EAF2EB; --green-text:#04581F; --paper-on-deep:#F2F5F0;
  --sans:"Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono:"Cascadia Mono", Consolas, ui-monospace, "SF Mono", monospace;
  --wrap:1180px; --r:10px; --shadow:0 1px 2px rgba(18,26,21,.05), 0 8px 28px rgba(18,26,21,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.6;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;letter-spacing:-0.015em}
p{margin:0 0 1em}
a{color:var(--green-text)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--mut)}
.num{font-variant-numeric:tabular-nums lining-nums;font-feature-settings:"tnum"}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:2px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--green-deep);color:#fff;padding:10px 16px;z-index:100;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* geometric pattern on hero + page-head */
.hero, .page-head, .site-footer{position:relative}
.hero::before, .page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='56'%3E%3Cg fill='none' stroke='%23046322' stroke-width='1.4' opacity='0.10'%3E%3Cpath d='M28 18 v20 M18 28 h20'/%3E%3C/g%3E%3C/svg%3E");
  background-size:56px 56px;
  mask-image:linear-gradient(115deg, rgba(0,0,0,.9) 0%, rgba(0,0,0,.25) 45%, transparent 72%);
  -webkit-mask-image:linear-gradient(115deg, rgba(0,0,0,.9) 0%, rgba(0,0,0,.25) 45%, transparent 72%);
}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--paper) 90%, transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--rule)}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand img{width:40px;height:40px;object-fit:contain}
.brand-word{font-weight:650;font-size:1.02rem;letter-spacing:-.01em}
.brand-tag{border:1px solid var(--rule);border-radius:4px;padding:2px 7px;color:var(--green-text)}
.site-nav{display:flex;align-items:center;gap:26px}
.site-nav a{text-decoration:none;color:var(--ink-2);font-size:.94rem;font-weight:500}
.site-nav a:hover{color:var(--green-text)}
.site-nav a.active{color:var(--green-text)}
.site-nav a.active::after{content:"";display:block;height:2px;background:var(--green);margin-top:3px;border-radius:2px}
.site-nav a.btn-primary{color:#fff}
.site-nav a.btn-primary:hover{color:#fff}
.site-nav a.btn-primary.active::after{display:none}
.nav-toggle{display:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:8px;border:1.5px solid transparent;font:inherit;font-weight:600;font-size:.95rem;text-decoration:none;cursor:pointer;transition:background-color .18s ease, color .18s ease, border-color .18s ease}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep)}
.btn-ghost{border-color:var(--rule);color:var(--ink)}
.btn-ghost:hover{border-color:var(--green);color:var(--green-text)}
.btn-paper{background:var(--paper);color:var(--green-deep)}
.btn-paper:hover{background:#fff}
.btn-ghost-inverse{border-color:rgba(242,245,240,.4);color:#fff}
.btn-ghost-inverse:hover{border-color:#fff;color:#fff}
.nav-cta{padding:9px 16px}

/* hero (home) */
.hero{border-bottom:1px solid var(--rule);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding-top:84px;padding-bottom:84px;position:relative}
.kicker{margin:0 0 18px;color:var(--green-text)}
.kicker-inverse{color:color-mix(in srgb, var(--paper) 75%, transparent)}
.hero h1{font-size:clamp(2.1rem, 5vw, 3.6rem);font-weight:700}
.lede{font-size:1.16rem;color:var(--ink-2);max-width:34em;margin-bottom:28px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.trust-strip{list-style:none;display:flex;flex-wrap:wrap;gap:10px 26px;margin:0;padding:14px 0 0;border-top:1px solid var(--rule)}
.trust-strip li{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--mut)}
.trust-strip li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--green)}
.hero-figure{margin:0;background:var(--card);border:1px solid var(--rule);border-radius:var(--r);padding:22px 22px 14px;box-shadow:var(--shadow)}
.hero-figure figcaption{padding-top:10px;border-top:1px dashed var(--rule);margin-top:6px}

/* page-head (inner pages) */
.page-head{border-bottom:1px solid var(--rule);overflow:hidden;background:linear-gradient(180deg, var(--paper) 0%, var(--green-tint) 160%)}
.page-head-inner{position:relative;padding:56px 0 48px;max-width:60ch}
.page-head h1{font-size:clamp(1.9rem,4vw,2.9rem);font-weight:700}
.page-head .lede{margin-bottom:22px}
.page-head-cta{display:flex;gap:12px;flex-wrap:wrap}
.page-head-note{margin:0 0 18px;color:var(--green-text)}
.masthead-line{font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--green-text);margin:0 0 14px}

/* diagrams */
.diagram{width:100%;height:auto}
.d-ink{color:var(--ink-2)}.d-mut{color:#9AA69C}.d-green{color:var(--green)}.d-green-soft{color:var(--green)}
.mono-label text{font-family:var(--mono);font-size:11px;letter-spacing:.05em;fill:var(--ink-2)}
.mono-label .d-mut-text{fill:#94A096}.mono-label .d-green-text{fill:var(--green-text)}

/* sections */
.section{padding:80px 0;border-bottom:1px solid var(--rule)}
.section-tint{background:linear-gradient(180deg, var(--paper) 0%, var(--green-tint) 120%)}
.sec-head{max-width:60ch;margin-bottom:40px}
.sec-head h2{font-size:clamp(1.5rem, 3.4vw, 2.2rem)}
.sec-sub{color:var(--ink-2);font-size:1.05rem}

/* fact cards (challenge / evidence highlights) */
.fact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-bottom:10px}
.fact-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--rule);border-top:3px solid var(--green);border-radius:var(--r);padding:24px;box-shadow:var(--shadow)}
.fact-card h3{font-size:1.06rem}
.fact-card p{color:var(--ink-2);font-size:.95rem;margin-bottom:18px}
.fact-card .src{margin-top:auto;padding-top:12px;border-top:1px dashed var(--rule);font-size:.64rem}
.fact-card .src-link{margin-top:auto;padding-top:12px;border-top:1px dashed var(--rule);font-size:.64rem;color:var(--green-text);text-decoration:none}
.fact-card .src-link:hover{text-decoration:underline}
.bridge{font-size:1.1rem;color:var(--ink);margin-top:30px;font-weight:500}

/* compare panels */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-bottom:26px}
.compare-panel{margin:0;background:var(--card);border:1px solid var(--rule);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.compare-panel-green{border-color:color-mix(in srgb, var(--green) 35%, var(--rule))}
.panel-label{display:block;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--rule-soft)}
.compare-panel-green .panel-label{color:var(--green-text)}
.panel-body{margin:14px 0 0;color:var(--ink-2);font-size:.97rem}
.panel-note{margin:14px 0 0;padding-top:12px;border-top:1px dashed var(--rule);color:var(--mut);font-size:.88rem}

/* steps */
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin:0 0 26px;padding:0}
.steps-4{grid-template-columns:repeat(4,1fr)}
.steps li{background:var(--card);border:1px solid var(--rule);border-radius:var(--r);padding:24px;position:relative;box-shadow:var(--shadow)}
.step-no{display:inline-flex;width:34px;height:34px;border-radius:50%;border:1.5px solid var(--green);color:var(--green-text);align-items:center;justify-content:center;font-size:.9rem;margin-bottom:14px}
.steps h3{font-size:1.05rem}
.steps p{margin:0;font-size:.94rem;color:var(--ink-2)}

/* application cards */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.app-card{display:block;background:var(--card);border:1px solid var(--rule);border-radius:var(--r);padding:26px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:border-color .18s ease, transform .18s ease}
.app-card:hover{border-color:var(--green);transform:translateY(-2px)}
.app-ic{width:44px;height:44px;color:var(--green);margin-bottom:16px}
.app-card h3{font-size:1.08rem}
.app-card p{color:var(--ink-2);font-size:.94rem;min-height:2.6em}
.app-cta{color:var(--green-text);font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase}

/* characteristics grid (SPPE) */
.char-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-bottom:26px}
.char{background:var(--card);border:1px solid var(--rule);border-radius:var(--r);padding:24px 26px;box-shadow:var(--shadow)}
.char .n{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;color:var(--green-text);display:block;margin-bottom:10px}
.char h3{font-size:1.06rem}
.char p{margin:0;color:var(--ink-2);font-size:.95rem}

/* checklist ledger */
.check-list{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink);max-width:780px;counter-reset:cl}
.check-list li{display:flex;gap:16px;align-items:baseline;padding:14px 4px;border-bottom:1px solid var(--rule);color:var(--ink-2);counter-increment:cl}
.check-list li::before{content:counter(cl,decimal-leading-zero);font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--green-text)}

/* FAQ */
.faq{border-top:2px solid var(--ink);max-width:840px}
.faq-item{padding:24px 4px;border-bottom:1px solid var(--rule)}
.faq-item h3{font-size:1.06rem;margin-bottom:.4em}
.faq-item p{margin:0;color:var(--ink-2);font-size:.97rem;max-width:66ch}

/* timeline */
.timeline{list-style:none;margin:8px 0 0;padding:0 0 0 2px;max-width:780px}
.timeline li{position:relative;padding:0 0 26px 30px;border-left:2px solid color-mix(in srgb, var(--green) 45%, var(--rule))}
.timeline li:last-child{padding-bottom:6px}
.timeline li::before{content:"";position:absolute;left:-7px;top:5px;width:10px;height:10px;border-radius:50%;background:var(--paper);border:2.5px solid var(--green)}
.timeline .t-year{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;color:var(--green-text);display:block;margin-bottom:3px}
.timeline p{margin:0;color:var(--ink-2);font-size:.98rem;max-width:62ch}

/* note panel */
.ev-note{background:var(--card);border:1px solid var(--rule);border-left:4px solid var(--green);border-radius:0 var(--r) var(--r) 0;padding:20px 24px;margin-top:8px}
.ev-note p{margin-bottom:14px}
.ev-note p:last-child{margin-bottom:0}

/* data table (references) */
.table-scroll{overflow-x:auto;margin:8px 0 18px}
.data-table{width:100%;min-width:520px;border-collapse:collapse;border-top:2px solid var(--ink)}
.data-table th{text-align:left;font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);font-weight:600;padding:12px 14px 10px 4px;border-bottom:1px solid var(--ink)}
.data-table td{padding:15px 14px 15px 4px;border-bottom:1px solid var(--rule);color:var(--ink-2);font-size:.97rem;vertical-align:top}
.data-table td.num{font-weight:650;color:var(--ink);white-space:nowrap}

/* reference source list */
.ref-list{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink);max-width:840px}
.ref-list li{padding:14px 4px;border-bottom:1px solid var(--rule);font-size:.97rem;color:var(--ink-2)}
.ref-list a{font-weight:600}

/* company / about */
.company-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:start}
.prose p{max-width:60ch}
.prose h3{margin-top:1.6em;font-size:1.12rem}

/* portfolio list */
.portfolio-list{border-left:2px solid var(--green);padding:6px 0 6px 26px;margin:8px 0 0;list-style:none}
.portfolio-list li{padding:12px 0;border-bottom:1px solid var(--rule)}
.portfolio-list li:last-child{border-bottom:0}
.portfolio-list strong{display:block;color:var(--green-deep);font-size:1rem;margin-bottom:2px}
.portfolio-list span{color:var(--ink-2);font-size:.93rem}
.portfolio-list a{font-family:var(--mono);font-size:.66rem;letter-spacing:.05em;text-transform:uppercase;margin-left:6px}
.portfolio-label{margin-bottom:14px}

/* contact intents */
.intent-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:8px 0 32px}
.intent{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--rule);border-radius:var(--r);padding:20px 22px;box-shadow:var(--shadow)}
.intent .n{font-family:var(--mono);color:var(--green-text);font-size:.8rem;padding-top:2px}
.intent h3{font-size:1.04rem;margin:0 0 .2em}
.intent p{margin:0;color:var(--ink-2);font-size:.92rem}
.contact-meta{display:flex;flex-wrap:wrap;gap:14px 40px;padding-top:20px;border-top:1px solid var(--rule)}
.contact-meta div{min-width:200px}
.contact-meta .mono{margin-bottom:4px}

/* legal prose (privacy) */
.legal{max-width:72ch}
.legal h2{font-size:1.28rem;margin-top:1.9em}
.legal h2:first-of-type{margin-top:.4em}
.legal p{color:var(--ink-2)}
.legal .effective{font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--mut);margin-bottom:26px}

/* CTA band */
.cta-band{background:var(--green-deep);color:var(--paper-on-deep);padding:72px 0}
.cta-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,3.2vw,2.1rem)}
.cta-sub{color:color-mix(in srgb, var(--paper-on-deep) 82%, transparent);margin:0}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-actions .row{display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .mono{color:color-mix(in srgb, var(--paper-on-deep) 62%, transparent);text-transform:none;letter-spacing:.03em}
.cta-actions .mono a{color:#fff}

/* 404 */
.notfound{padding:110px 0 130px;border-bottom:1px solid var(--rule)}
.notfound-inner{max-width:60ch}
.notfound .code{font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--green-text);margin:0 0 14px}
.notfound h1{font-size:clamp(2rem,4.5vw,3rem)}
.notfound .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}

/* footer */
.site-footer{background:var(--ink);color:var(--paper);padding:48px 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;gap:12px;align-items:flex-start}
.footer-brand img{background:var(--paper);border-radius:8px;padding:5px}
.footer-brand .brand-word{margin:0;color:#fff}
.footer-mission{margin:6px 0 0;color:#C6CEC7;font-size:.9rem;max-width:36ch}
.footer-fine{margin:10px 0 0;color:#98A29A;font-size:.78rem;max-width:40ch}
.footer-email{display:inline-block;margin-top:10px;color:#C6CEC7;font-size:.9rem}
.footer-email:hover{color:#fff}
.footer-col h4{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:#8A958C;margin:0 0 12px}
.footer-col a{display:block;color:#C6CEC7;text-decoration:none;font-size:.9rem;padding:4px 0}
.footer-col a:hover{color:#fff}
.footer-col .footer-plain{display:block;color:#C6CEC7;font-size:.9rem;padding:4px 0}
.footer-disclaimer{border-top:1px solid #263029;margin-top:28px;padding-top:16px;color:#8A958C;font-size:.78rem}
.footer-disclaimer p{margin:0}
.footer-bottom{margin-top:14px;color:#8A958C;font-size:.78rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* reveal */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease, transform .5s ease}
.reveal.is-in{opacity:1;transform:none}
.no-js .reveal, html.no-observer .reveal{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none}}

/* responsive */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr;gap:40px;padding-top:52px;padding-bottom:52px}
  .compare{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.steps-4{grid-template-columns:1fr}
  .apps{grid-template-columns:1fr}.fact-cards{grid-template-columns:1fr}.char-grid{grid-template-columns:1fr}
  .company-grid{grid-template-columns:1fr;gap:36px}.cta-grid{grid-template-columns:1fr}
  .intent-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
}
@media (min-width: 981px) and (max-width: 1120px){
  .steps-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 860px){
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:1px solid var(--rule);flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 18px;box-shadow:var(--shadow)}
  .site-nav.open{display:flex}
  .site-nav a{padding:12px 0;width:100%;border-bottom:1px solid var(--rule-soft);font-size:1rem}
  .site-nav a:last-child{border-bottom:0}
  .site-nav a.active::after{display:none}
  .nav-cta{margin-top:10px;justify-content:center}
  .nav-toggle{display:inline-flex;align-items:center;gap:10px;background:none;border:1px solid var(--rule);border-radius:8px;padding:8px 14px;cursor:pointer;color:var(--ink)}
  .nav-toggle-box{display:inline-flex;flex-direction:column;gap:5px;width:18px}
  .nav-toggle-box span{height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease}
  .nav-toggle[aria-expanded="true"] .nav-toggle-box span:first-child{transform:translateY(3.5px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] .nav-toggle-box span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
  .header-row{position:relative}
}
@media (max-width: 480px){
  body{font-size:16px}.hero h1{font-size:2rem}.section{padding:56px 0}
  .btn{width:100%}.hero-ctas .btn,.page-head-cta .btn,.cta-actions .row .btn,.notfound .actions .btn{width:auto;flex:1}
}

/* V1C Codex-independent refinement: premium industrial ledger */
:root{
  --paper:#F3F5F0;--card:#FCFDFB;--ink:#0D1711;--ink-2:#304038;--mut:#5C6C63;
  --rule:#CCD5CC;--rule-soft:#DFE5DE;--green:#08742B;--green-deep:#062D1B;
  --green-black:#071B12;--green-tint:#E4EEE5;--green-mist:#F0F5EF;--green-text:#056323;
  --signal:#43C96C;--paper-on-deep:#F4F8F3;--wrap:1240px;--r:3px;
  --shadow:0 1px 0 rgba(6,45,27,.07),0 14px 36px rgba(13,23,17,.07);
  --shadow-lift:0 2px 0 rgba(6,45,27,.09),0 20px 48px rgba(13,23,17,.11)
}
body{background:radial-gradient(circle at 8% 18%,rgba(8,116,43,.055),transparent 28rem),linear-gradient(90deg,transparent calc(50% - .5px),rgba(8,116,43,.035) 50%,transparent calc(50% + .5px)),var(--paper);letter-spacing:-.006em}
.wrap{padding-inline:clamp(20px,4vw,42px)}h1,h2,h3{letter-spacing:-.032em}h1{max-width:18ch}h2{max-width:24ch}p{max-width:72ch}
.mono,.masthead-line{font-weight:650;letter-spacing:.105em}
:focus-visible{outline:3px solid var(--signal);outline-offset:4px;box-shadow:0 0 0 2px var(--green-black);border-radius:2px}.skip-link{min-height:44px;display:flex;align-items:center;font-weight:700}

.site-header{background:rgba(243,245,240,.94);border-bottom:1px solid var(--ink);backdrop-filter:blur(14px) saturate(120%)}
.header-row{min-height:76px;position:relative}.header-row::after{content:"";position:absolute;left:0;bottom:-1px;width:82px;height:3px;background:linear-gradient(90deg,var(--green),var(--signal))}
.brand{gap:12px}.brand img{width:42px;height:42px}.brand-word{font-size:1rem;font-weight:750}.brand-tag{border-color:var(--green);background:var(--green-tint);border-radius:2px;padding:3px 8px}
.site-nav{gap:clamp(16px,2.2vw,30px)}.site-nav a{min-height:44px;display:inline-flex;align-items:center;font-family:var(--mono);font-size:.69rem;letter-spacing:.065em;text-transform:uppercase;font-weight:650}.site-nav a.active::after{height:3px;margin-top:-5px}.nav-cta{min-height:44px;padding:10px 17px!important}

.btn{min-height:46px;border-radius:2px;padding:12px 20px;font-weight:720;box-shadow:0 1px 0 rgba(13,23,17,.08);position:relative;overflow:hidden}
.btn::after{content:"";position:absolute;inset:auto 0 0;height:2px;background:currentColor;opacity:.22;transform:scaleX(0);transform-origin:left;transition:transform .2s ease}.btn:hover::after{transform:scaleX(1)}
.btn-primary{background:var(--green);border-color:var(--green);color:#fff}.btn-primary:hover{background:var(--green-deep);border-color:var(--green-deep)}
.btn-ghost{background:rgba(255,255,255,.44);border-color:var(--ink);color:var(--ink)}.btn-ghost:hover{background:#fff;border-color:var(--green)}.btn-paper{background:#fff;border-color:#fff;color:var(--green-deep)}

.hero{background:var(--green-black);color:var(--paper-on-deep);border-bottom:0;isolation:isolate}
.hero::before{background-image:linear-gradient(rgba(67,201,108,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(67,201,108,.09) 1px,transparent 1px),radial-gradient(circle,rgba(67,201,108,.22) 1px,transparent 1.5px);background-size:44px 44px,44px 44px,22px 22px;mask-image:linear-gradient(100deg,#000 0%,rgba(0,0,0,.9) 52%,transparent 96%);opacity:.8}
.hero::after{content:"SPPE / FIELD NOTE 01";position:absolute;right:24px;top:24px;color:rgba(244,248,243,.46);font:650 .62rem/1 var(--mono);letter-spacing:.12em;writing-mode:vertical-rl}
.hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(360px,.78fr);gap:clamp(46px,7vw,94px);padding-top:clamp(74px,8vw,112px);padding-bottom:clamp(74px,9vw,124px)}
.hero-grid::before{content:"";position:absolute;left:clamp(20px,4vw,42px);top:42px;width:74px;height:4px;background:var(--signal);box-shadow:88px 0 0 rgba(67,201,108,.35),176px 0 0 rgba(67,201,108,.14)}
.hero .kicker{color:var(--signal)}.hero h1{font-size:clamp(2.65rem,5.8vw,5rem);line-height:.98;color:#fff;font-weight:760;text-wrap:balance}.hero .lede{font-size:clamp(1.08rem,1.45vw,1.28rem);color:#D4E1D7;max-width:39rem}
.hero .btn-ghost{border-color:rgba(244,248,243,.62);background:transparent;color:#fff}.hero .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);color:#fff}
.trust-strip{border-top-color:rgba(244,248,243,.22);padding-top:20px}.trust-strip li{color:#AFC0B4;font-size:.66rem}.trust-strip li::before{background:var(--signal);box-shadow:0 0 0 4px rgba(67,201,108,.13)}
.hero-figure{background:linear-gradient(145deg,#F8FBF7,#E9F1E9);border:0;border-left:5px solid var(--signal);padding:26px 26px 16px;box-shadow:0 30px 80px rgba(0,0,0,.34),0 0 0 1px rgba(255,255,255,.18);transform:translateY(8px)}.hero-figure figcaption{color:var(--ink-2);border-top-color:#C7D4C9}

.page-head{background:linear-gradient(90deg,rgba(8,116,43,.075) 1px,transparent 1px),linear-gradient(rgba(8,116,43,.075) 1px,transparent 1px),linear-gradient(135deg,#F8FAF6 0%,#E4EEE5 100%);background-size:48px 48px,48px 48px,auto;border-bottom:1px solid var(--ink)}
.page-head::before{background:none;mask-image:none;border-left:clamp(8px,1vw,14px) solid var(--green);opacity:1}.page-head::after{content:"TECHNICAL BRIEF";position:absolute;right:clamp(20px,4vw,42px);top:28px;font:650 .62rem/1 var(--mono);letter-spacing:.14em;color:var(--green-text);padding:8px 10px;border:1px solid var(--green);background:rgba(255,255,255,.58)}
.page-head-inner{padding:clamp(74px,8vw,106px) 0 clamp(60px,7vw,88px);max-width:72ch}.page-head h1{font-size:clamp(2.25rem,5vw,4.35rem);line-height:1.02;font-weight:760;text-wrap:balance}.page-head .lede{font-size:clamp(1.05rem,1.4vw,1.22rem);max-width:58ch}

.section{padding:clamp(72px,8vw,112px) 0;border-bottom:1px solid var(--rule);position:relative}.section::before{content:"";position:absolute;top:-1px;left:max(20px,calc((100% - var(--wrap))/2 + 42px));width:54px;height:3px;background:var(--green)}
.section-tint{background:linear-gradient(135deg,rgba(8,116,43,.055),transparent 42%),var(--green-mist)}.sec-head{max-width:68ch;margin-bottom:clamp(38px,5vw,62px)}.sec-head h2{font-size:clamp(1.85rem,3.6vw,3.1rem);line-height:1.04;text-wrap:balance}.sec-sub{font-size:clamp(1rem,1.25vw,1.14rem);max-width:62ch}
.kicker{display:flex;align-items:center;gap:12px;margin-bottom:20px}.kicker::before{content:"";width:26px;height:2px;background:currentColor}

.fact-cards,.apps,.char-grid,.steps,.intent-grid{gap:clamp(16px,2.2vw,28px)}
.fact-card,.steps li,.app-card,.char,.intent,.compare-panel{border-color:var(--rule);border-radius:var(--r);box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.fact-card:hover,.steps li:hover,.app-card:hover,.char:hover,.intent:hover,.compare-panel:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--green) 58%,var(--rule));box-shadow:var(--shadow-lift)}
.fact-card{padding:28px;border-top:0;position:relative}.fact-card::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:linear-gradient(var(--green),var(--signal))}.fact-card h3{font-size:1.14rem}.fact-card .src,.fact-card .src-link{color:var(--green-text);letter-spacing:.08em}
.bridge{border-left:3px solid var(--green);padding:14px 18px;background:rgba(255,255,255,.48)}.compare{gap:clamp(20px,3vw,34px)}.compare-panel{padding:28px}.compare-panel-green{background:linear-gradient(145deg,#F8FCF7,var(--green-tint));border-color:var(--green)}.panel-label{font-weight:700;letter-spacing:.11em}
.steps li{padding:28px;border-top:3px solid var(--ink)}.step-no{border-radius:2px;background:var(--green-black);border-color:var(--green-black);color:var(--signal);font-family:var(--mono);font-weight:700}
.app-card{padding:30px;border-bottom:4px solid var(--green)}.app-card:hover{transform:translateY(-4px)}.app-ic{width:50px;height:50px;padding:9px;background:var(--green-tint);border:1px solid var(--green);border-radius:50%}.app-cta{display:inline-flex;align-items:center;gap:8px;margin-top:8px}.app-cta::after{content:"↗";font-size:.9rem}
.char{padding:28px;border-top:1px solid var(--ink);position:relative}.char .n{font-size:.78rem;color:var(--green-text)}.char .n::after{content:"";display:block;width:36px;height:2px;background:var(--signal);margin-top:9px}

.check-list li,.faq-item,.ref-list li{padding-block:18px}.check-list li::before{min-width:30px;font-weight:700}.faq-item{padding:26px 18px;transition:background .18s ease}.faq-item:hover{background:rgba(255,255,255,.62)}
.timeline{padding-left:10px}.timeline li{padding-left:38px;padding-bottom:34px;border-left-width:3px}.timeline li::before{left:-8px;width:13px;height:13px;background:var(--card)}.timeline .t-year{display:inline-flex;background:var(--green-black);color:var(--signal);padding:5px 8px;margin-bottom:8px}
.ev-note{background:linear-gradient(120deg,#fff,var(--green-mist));border:1px solid var(--green);border-left:7px solid var(--green);padding:26px 30px;box-shadow:var(--shadow)}
.table-scroll{border:1px solid var(--rule);background:var(--card);box-shadow:var(--shadow)}.data-table{border-top:0}.data-table th{background:var(--green-black);color:#D9E5DC;padding:15px 18px}.data-table td{padding:17px 18px}.data-table tbody tr:nth-child(even){background:var(--green-mist)}
.ref-list li{display:flex;align-items:baseline;gap:12px}.ref-list li::before{content:"↗";color:var(--green);font-weight:800}.company-grid{gap:clamp(44px,7vw,90px)}
.portfolio-list{border-left-width:5px;background:rgba(255,255,255,.52);padding:12px 22px 12px 30px;box-shadow:inset 0 0 0 1px var(--rule)}.portfolio-list li{padding-block:16px}
.intent{padding:24px;border-left:4px solid var(--green)}.intent .n{font-weight:800;background:var(--green-tint);padding:5px 7px}.contact-meta{border-top:2px solid var(--ink);padding:24px;background:rgba(255,255,255,.46)}
.legal{max-width:74ch;background:rgba(255,255,255,.54);border-left:4px solid var(--rule);padding:clamp(24px,4vw,52px)}.legal h2{padding-top:1.1em;border-top:1px solid var(--rule)}.legal h2:first-of-type{border-top:0;padding-top:0}

.cta-band{position:relative;overflow:hidden;background:var(--green-deep);padding:clamp(72px,8vw,106px) 0}.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(67,201,108,.08) 1px,transparent 1px),linear-gradient(rgba(67,201,108,.08) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(90deg,transparent,#000)}
.cta-grid{position:relative;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:clamp(42px,7vw,92px)}.cta-band h2{font-size:clamp(2rem,4vw,3.45rem);line-height:1.03}
.site-footer{background:var(--green-black);padding:64px 0 34px;border-top:1px solid rgba(67,201,108,.35)}.site-footer::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(67,201,108,.05),transparent 40%);pointer-events:none}
.footer-grid{position:relative;grid-template-columns:1.45fr .72fr 1fr;gap:clamp(32px,5vw,72px)}.footer-brand img{border-radius:2px;padding:6px}.footer-col h4{color:var(--signal)}.footer-col a,.footer-col .footer-plain{min-height:32px;color:#C8D6CC}.footer-disclaimer{border-top-color:#294135;padding-top:22px}.footer-bottom{border-top:1px solid #20372C;padding-top:18px;margin-top:18px}

.notfound{position:relative;overflow:hidden;padding:clamp(100px,12vw,170px) 0;background:linear-gradient(90deg,rgba(8,116,43,.07) 1px,transparent 1px),linear-gradient(rgba(8,116,43,.07) 1px,transparent 1px);background-size:52px 52px}.notfound::after{content:"404";position:absolute;right:4vw;top:50%;transform:translateY(-50%);font:800 clamp(8rem,24vw,22rem)/.8 var(--mono);color:rgba(8,116,43,.07);pointer-events:none}.notfound-inner{position:relative;z-index:1;border-left:8px solid var(--green);padding-left:clamp(22px,4vw,48px)}.notfound h1{font-size:clamp(2.5rem,6vw,5rem)}

/* Never hide meaningful content while awaiting scroll; the movement is optional polish. */
.reveal,.reveal.is-in,.no-js .reveal,html.no-observer .reveal{opacity:1;transform:none}
.notfound::after{right:7vw;z-index:0;font-size:clamp(9rem,20vw,18rem)}
.notfound-inner{max-width:52ch;background:rgba(243,245,240,.92);padding:clamp(28px,4vw,48px);border:1px solid var(--green);border-left-width:8px;box-shadow:var(--shadow)}

@media (max-width:980px){.hero-grid{grid-template-columns:1fr;gap:56px}.hero-figure{max-width:680px;transform:none}.cta-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.25fr .75fr;gap:36px}.footer-grid .footer-col:last-child{grid-column:1/-1}}
@media (max-width:860px){.header-row{min-height:68px}.site-nav{top:calc(100% + 1px);padding:14px 20px 22px;background:rgba(243,245,240,.985);border-bottom:2px solid var(--ink);box-shadow:0 24px 50px rgba(7,27,18,.16)}.site-nav a{min-height:48px;padding:13px 4px;border-bottom-color:var(--rule);font-size:.78rem}.site-nav .nav-cta{margin-top:14px;background:var(--green);color:#fff;border:0;padding-inline:16px!important}.nav-toggle{min-width:88px;min-height:44px;justify-content:center;border-color:var(--ink);border-radius:2px;font:650 .68rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase}.page-head::after{right:20px;top:20px}}
@media (max-width:640px){.wrap{padding-inline:20px}.brand-word{font-size:.91rem}.brand-tag{font-size:.6rem}.hero::after,.page-head::after,.notfound::after{display:none}.hero-grid{padding-top:72px;padding-bottom:76px}.hero-grid::before{left:20px;top:34px}.hero h1{font-size:clamp(2.45rem,12vw,3.5rem)}.hero-ctas,.page-head-cta{display:grid;grid-template-columns:1fr}.hero-ctas .btn,.page-head-cta .btn{width:100%}.trust-strip{display:grid;gap:12px}.page-head-inner{padding:72px 0 60px}.page-head h1{font-size:clamp(2.25rem,11vw,3.35rem)}.section::before{left:20px}.fact-card,.steps li,.app-card,.char,.intent,.compare-panel{padding:24px}.ref-list li{align-items:flex-start}.legal{margin-inline:-4px;padding:24px 20px}.footer-grid{grid-template-columns:1fr}.footer-grid .footer-col:last-child{grid-column:auto}.cta-actions .row,.notfound .actions{display:grid;grid-template-columns:1fr;width:100%}.cta-actions .row .btn,.notfound .actions .btn{width:100%}.notfound-inner{padding:28px 22px}}
@media (max-width:360px){.brand img{width:36px;height:36px}.brand{gap:8px}.brand-word{font-size:.84rem}.brand-tag{display:none}.nav-toggle{min-width:76px;padding-inline:10px}.hero h1{font-size:2.35rem}.page-head h1{font-size:2.18rem}.btn{padding-inline:15px}.fact-card,.steps li,.app-card,.char,.intent,.compare-panel{padding:21px}}