:root{--red:#FD0303;--red-d:#C90000;--gold:#FFD400;--black:#0A0A0A;--ink:#141414;--char:#1F1F1F;--slate:#2B2B2B;--grey:#404040;--mid:#8A8A8A;--line:#E3E3DF;--paper:#F5F5F2;--white:#fff;
--font:'Raleway','IBM Plex Sans Thai','Noto Sans Thai',system-ui,sans-serif;--maxw:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--grey);background:#fff;line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
a{color:inherit}img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
h1,h2,h3,h4{font-family:var(--font);color:var(--black);line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
.kicker{font-size:12px;letter-spacing:.22em;text-transform:uppercase;font-weight:700;color:var(--kick);display:inline-flex;align-items:center;gap:10px}
.kicker:before{content:"";width:28px;height:2px;background:var(--rule)}
.dark .kicker{color:var(--kick-deep)}.dark .kicker:before{background:var(--rule-deep)}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:var(--hdr-bg);backdrop-filter:blur(6px);border-bottom:1px solid var(--hdr-line)}
.hdr .wrap{display:flex;align-items:center;height:72px;gap:28px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--hdr-fg)}
.brand img{height:22px}.brand .ai{font-weight:800;font-size:15px;letter-spacing:.12em;border-left:1px solid var(--hdr-line2);padding-left:14px}.brand .ai b{color:var(--red)}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:var(--hdr-muted);text-decoration:none;font-size:14px;font-weight:600;padding:8px 12px;border-radius:2px}
.nav a:hover,.nav a.on{color:var(--hdr-fg)}.nav a.on{box-shadow:inset 0 -2px 0 var(--red)}
.lang{display:flex;border:1px solid var(--hdr-line2);margin-left:8px}.lang a{padding:4px 9px;font-size:12px;color:var(--hdr-muted);text-decoration:none;font-weight:700}.lang a.on{background:var(--hdr-fg);color:var(--hdr-bg-solid)}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--btn);color:#fff;border:0;padding:14px 26px;font:700 15px var(--font);text-decoration:none;cursor:pointer;letter-spacing:.02em;transition:.15s;border-radius:0}
.btn:hover{background:var(--btn-h)}.btn.ghost{background:transparent;border:1px solid currentColor;color:inherit}.btn.ghost:hover{background:rgba(255,255,255,.08)}
.btn.gold{background:var(--gold);color:#000}.btn.sm{padding:9px 16px;font-size:13px}.btn.dark{background:#000}
.arrow:after{content:"→";font-weight:400}
.burger{display:none;margin-left:auto;background:none;border:0;color:var(--hdr-fg);font-size:26px}
@media(max-width:1020px){.nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--hdr-bg-solid);flex-direction:column;padding:16px;align-items:stretch}.nav.open{display:flex}.burger{display:block}}
/* hero */
.dark{background:var(--deep);color:var(--deep-muted)}.dark h1,.dark h2,.dark h3,.dark h4{color:var(--deep-text)}
.s.dark,.dlbox,.band{background:var(--band)!important;color:var(--band-muted);--deep-text:var(--band-text);--deep-muted:var(--band-muted);--kick-deep:var(--band-kick)}.dlbox h3,.band h3{color:var(--band-text)}
.hero{position:relative;overflow:hidden;padding:110px 0 90px}
.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(900px 500px at 85% 20%,rgba(253,3,3,.18),transparent 60%),radial-gradient(600px 400px at 70% 90%,rgba(255,212,0,.08),transparent 60%)}
.hero .grid-bg{position:absolute;inset:0;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(90deg,transparent,#000 60%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.25fr 1fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(38px,5vw,66px);font-weight:800;margin:22px 0}.hero h1 em{font-style:normal;color:var(--red)}
.hero p.lead{font-size:19px;max-width:620px;color:var(--deep-muted)}
.askbox{background:#fff;color:var(--grey);padding:28px;box-shadow:0 30px 60px rgba(0,0,0,.4);border-top:4px solid var(--red)}
.askbox h3{font-size:20px}.askbox textarea{width:100%;min-height:96px;border:1px solid var(--line);padding:14px;font:16px var(--font);resize:vertical;margin:8px 0 12px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.chip{border:1px solid var(--line);background:var(--paper);padding:6px 12px;font:600 13px var(--font);cursor:pointer;color:var(--grey)}.chip:hover,.chip.on{border-color:var(--red);color:var(--red);background:#fff}
.hero-stats{display:flex;gap:44px;margin-top:44px;border-top:1px solid var(--deep-line);padding-top:26px}.hero-stats b{display:block;font-size:34px;color:var(--deep-text);font-weight:800}.hero-stats b span{color:var(--gold)}.hero-stats small{font-size:13px;color:var(--deep-muted)}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero{padding:70px 0}}
.hero.hero-solo .wrap{grid-template-columns:1fr}.hero.hero-solo h1{max-width:960px}.hero.hero-solo{padding:100px 0 84px}
.ask-sec .wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}.ask-sec .askbox{box-shadow:0 24px 50px rgba(0,0,0,.08);border:1px solid var(--line);border-top:4px solid var(--red)}
@media(max-width:900px){.ask-sec .wrap{grid-template-columns:1fr;gap:28px}.hero.hero-solo{padding:64px 0 56px}}
/* sections */
section.s{padding:96px 0}.s.paper{background:var(--paper)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:48px}.sec-head h2{font-size:clamp(28px,3.2vw,42px);max-width:760px;margin-top:14px}
.link{font-weight:700;color:var(--kick);text-decoration:none;font-size:15px}.link:hover{text-decoration:underline}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:28px 26px 10px 0}.step .n{font-size:13px;font-weight:800;color:var(--kick);letter-spacing:.1em}.step h4{font-size:19px;margin:10px 0 6px}.step p{margin:0;font-size:15px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cap{background:#fff;border:1px solid var(--line);padding:34px 30px;position:relative;transition:.2s}.cap:hover{border-color:#000;transform:translateY(-3px)}
.cap .ix{font-size:42px;font-weight:800;color:var(--line);line-height:1}.cap h3{font-size:21px;margin:18px 0 10px}.cap p{font-size:15px;margin:0 0 14px}
.cap ul{margin:0;padding-left:18px;font-size:14px}.cap:after{content:"";position:absolute;left:0;top:0;width:48px;height:4px;background:var(--red)}
.dark .cap{background:var(--band2);border-color:var(--band-line)}.dark .cap .ix{color:var(--band-line)}
@media(max-width:900px){.cards,.steps{grid-template-columns:1fr}}
/* article cards */
.acards{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.acards.two{grid-template-columns:repeat(2,1fr)}
.acard{display:flex;flex-direction:column;text-decoration:none;color:inherit;background:#fff;border:1px solid var(--line);transition:.2s}.acard:hover{box-shadow:0 18px 40px rgba(0,0,0,.08)}.acard:hover h3{color:var(--kick)}
.cover{aspect-ratio:16/9;background:#111;position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:20px;color:#fff}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cover.gen{background:var(--cover-grad)}
.cover.gen:before{content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border:1px solid rgba(255,212,0,.35);border-radius:50%}
.cover.gen:after{content:"";position:absolute;right:30px;top:30px;width:90px;height:90px;background:var(--red);opacity:.85;clip-path:polygon(0 0,100% 0,100% 100%)}
.cover.c1:after{background:var(--gold)}.cover.c2:after{clip-path:circle(50%)}.cover.c3:after{clip-path:polygon(50% 0,100% 100%,0 100%)}
.cover .tag{position:relative;z-index:2;font-size:11px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;background:rgba(0,0,0,.55);padding:5px 10px;border-left:3px solid var(--rule-deep)}
.acard .body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}.acard h3{font-size:20px;transition:.15s}.acard p{font-size:15px;margin:0 0 18px;flex:1}
.meta{font-size:13px;color:var(--mid);display:flex;gap:14px;align-items:center}.meta .dl{color:var(--kick);font-weight:700}
@media(max-width:900px){.acards,.acards.two{grid-template-columns:1fr}}
/* page head */
.phead{padding:80px 0 60px}.phead h1{font-size:clamp(34px,4.4vw,56px);font-weight:800;margin-top:16px;max-width:900px}.phead p{font-size:19px;max-width:760px;color:var(--deep-muted)}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px}.filters a{padding:8px 16px;border:1px solid var(--line);text-decoration:none;font-size:14px;font-weight:600}.filters a.on{background:var(--band);color:#fff;border-color:var(--band)}
/* article */
.art-hero{padding:80px 0 56px}.art-hero h1{font-size:clamp(30px,4vw,50px);font-weight:800;max-width:980px;margin:18px 0}.art-hero .sum{font-size:20px;color:var(--deep-muted);max-width:860px}
.art-hero .meta{color:var(--deep-muted);margin-top:26px}
.art-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:70px;padding:70px 0}
.prose{font-size:18px;line-height:1.85}.prose h2{font-size:29px;margin:2em 0 .6em;padding-top:.6em;border-top:1px solid var(--line)}.prose h2:first-child{margin-top:0;border:0;padding:0}
.prose h3{font-size:22px;margin:1.6em 0 .5em}.prose strong{color:var(--black)}.prose li{margin:.35em 0}
.prose blockquote{margin:1.5em 0;padding:18px 24px;border-left:4px solid var(--rule);background:var(--paper);font-size:16px}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;display:block;overflow-x:auto}.prose th{background:var(--band);color:#fff;text-align:left;padding:10px 12px;font-weight:700}.prose td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.prose em{color:var(--mid)}
.side{position:sticky;top:100px;align-self:start}
.dlbox{padding:30px;border-top:4px solid var(--red)}.dlbox h3{font-size:21px}.dlbox .file{display:flex;gap:14px;align-items:center;background:rgba(255,255,255,.07);padding:14px;margin:16px 0 20px;font-size:14px;color:#ddd}
.fileicon{width:42px;height:52px;background:var(--red);color:#fff;font-size:11px;font-weight:800;display:flex;align-items:flex-end;justify-content:center;padding-bottom:6px;clip-path:polygon(0 0,72% 0,100% 22%,100% 100%,0 100%);flex:none}
@media(max-width:980px){.art-grid{grid-template-columns:1fr}.side{position:static}}
/* forms */
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form label{display:block;font-size:13px;font-weight:700;color:var(--black);margin:12px 0 5px}.form label small{color:var(--mid);font-weight:500}
.form input,.form select,.form textarea{width:100%;padding:12px 13px;border:1px solid #cfcfcb;font:15px var(--font);background:#fff;color:#111;border-radius:0}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--gold);border-color:#000}
.form .consent{display:flex;gap:10px;font-size:13px;margin:16px 0;align-items:flex-start;font-weight:500}.form .consent input{width:auto;margin-top:4px}
.form .err{color:var(--red);font-size:14px;margin:8px 0;display:none}.form .invalid{border-color:var(--red)!important}.hp{position:absolute;left:-9999px}
@media(max-width:600px){.form .row{grid-template-columns:1fr}}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}.modal.open{display:flex}
.modal .box{background:#fff;max-width:620px;width:100%;max-height:92vh;overflow:auto;padding:38px;position:relative;border-top:5px solid var(--red)}
.modal .x{position:absolute;right:14px;top:10px;background:none;border:0;font-size:28px;cursor:pointer;color:#888}
.done{text-align:center;padding:20px 0}.done .ok{width:64px;height:64px;border-radius:50%;background:#000;color:var(--gold);font-size:32px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px}
/* entry modes */
.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--band-line);border:1px solid var(--band-line)}
.mode{background:var(--band2);padding:36px;text-decoration:none;color:#ccc;transition:.2s}.mode:hover{filter:brightness(1.15)}.mode .n{color:var(--band-kick);font-weight:800;font-size:13px;letter-spacing:.15em}.mode h3{font-size:23px;margin:14px 0 8px}.mode p{font-size:15px}.mode .link{color:var(--red)}
@media(max-width:900px){.modes{grid-template-columns:1fr}}
.quote{font-size:clamp(24px,2.6vw,34px);font-weight:700;color:var(--deep-text);line-height:1.35;max-width:980px}.quote em{color:var(--band-kick);font-style:normal}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:50px;border-top:1px solid var(--band-line)}.fact{padding:26px 20px 0 0}.fact b{font-size:40px;color:var(--deep-text);font-weight:800;display:block;line-height:1.1}.fact b i{color:var(--red);font-style:normal}.fact small{font-size:14px;color:var(--deep-muted);display:block;margin-top:8px}.fact .src{font-size:11px;color:#666}
@media(max-width:900px){.facts{grid-template-columns:1fr 1fr}}
.cta{background:var(--cta-bg);color:#fff;padding:80px 0}.cta h2{color:#fff;font-size:clamp(28px,3.4vw,44px);max-width:820px}.cta p{font-size:18px;max-width:700px;opacity:.92}.cta .btn{background:var(--cta-btn)}.cta .btn:hover{filter:brightness(1.3)}
/* footer */
.ftr{background:var(--ftr-bg);color:var(--ftr-muted);padding:70px 0 30px;font-size:14px}.ftr .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}.ftr h4{color:#fff;font-size:13px;letter-spacing:.15em;text-transform:uppercase}.ftr a{color:var(--ftr-link);text-decoration:none;display:block;margin:6px 0}.ftr a:hover{color:#fff}
.ftr .bottom{border-top:1px solid var(--ftr-line);margin-top:50px;padding-top:24px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px}
@media(max-width:800px){.ftr .cols{grid-template-columns:1fr 1fr}}
/* floating agent */
.fab{position:fixed;right:24px;bottom:24px;z-index:60;background:var(--band);color:#fff;text-decoration:none;display:flex;align-items:center;gap:10px;padding:12px 18px 12px 12px;box-shadow:0 12px 30px rgba(0,0,0,.35);font-weight:700;font-size:14px;border-left:4px solid var(--red)}
.fab .dot{width:34px;height:34px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff 0 3px,transparent 4px),radial-gradient(circle at 65% 35%,#fff 0 3px,transparent 4px),var(--red);}
/* advisor / readiness */
.tool{max-width:900px;margin:0 auto}.panel{background:#fff;border:1px solid var(--line);padding:40px;box-shadow:0 20px 50px rgba(0,0,0,.06)}
.progress{height:4px;background:var(--line);margin-bottom:30px}.progress i{display:block;height:100%;background:var(--red);transition:.3s}
.opts{display:grid;gap:10px;margin:20px 0}.opt{width:100%;text-align:left;background:#fff;color:inherit;font:inherit;font-weight:600;display:flex;gap:14px;align-items:center;border:1px solid var(--line);padding:14px 18px;cursor:pointer;font-weight:600;transition:.15s}.opt:hover{border-color:#000}.opt.on{border-color:var(--red);background:#fff5f5}.opt .r{width:18px;height:18px;border:2px solid #bbb;border-radius:50%;flex:none}.opt.on .r{border:6px solid var(--red)}
.res-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:20px 0}.rec{border:1px solid var(--line);padding:20px;border-left:4px solid var(--red)}.rec h4{margin:0 0 6px;font-size:17px}.rec p{margin:0;font-size:14px}
.impact{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}.imp{background:var(--paper);padding:18px;text-align:center}.imp b{display:block;font-size:22px;color:var(--black)}.imp small{font-size:12px}
.bars .bar{margin:12px 0}.bars .bar div{height:10px;background:var(--line)}.bars .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--red),var(--gold))}.bars .bar span{display:flex;justify-content:space-between;font-weight:700;font-size:14px;color:#000}
.score{font-size:72px;font-weight:800;color:#000;line-height:1}.score small{font-size:20px;color:var(--mid)}
@media(max-width:700px){.res-grid,.impact{grid-template-columns:1fr 1fr}.panel{padding:24px}}
.fade{animation:fade .35s ease}@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1}}
.notice{background:#fffbe6;border-left:4px solid var(--gold);padding:12px 16px;font-size:14px}
.dlbox .form label,.dlbox .form .consent{color:var(--band-text)}.dlbox .form label small{color:#999}.dlbox .form .consent a{color:var(--gold)}
.done .dlbtn{font-size:17px;padding:16px 30px;margin:10px 0 6px}.done .dlnote{font-size:13px;color:var(--mid)}.done h3{font-size:24px}.dlbox .done .dlnote{color:#bbb}
/* ===== Use cases ===== */
.acards.uc4{grid-template-columns:repeat(4,1fr)}@media(max-width:1100px){.acards.uc4{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.acards.uc4{grid-template-columns:1fr}}
.uccard .cover:not(.gen){background:var(--paper)}.uccard .cover img{object-fit:cover;object-position:left top}
.uccard .meta .link{font-size:14px}
.uc-prose img{border:1px solid var(--line);background:#fff;width:auto;max-width:100%;height:auto;display:block}
.uc-prose p>img+em,.uc-prose p>em:only-child{display:block;font-size:13px;color:var(--mid);margin-top:8px;font-style:normal}
.uc-prose h3{margin-top:1.6em}
.arch{margin:34px 0;padding:28px;border:1px solid var(--line);background:#fff}
.arch-hd h3{margin:10px 0 22px;font-size:22px}
.arch-grid{display:grid;grid-template-columns:1fr 230px;gap:16px}
.arch-layers{display:flex;flex-direction:column;gap:12px}
.arch-layer{display:grid;grid-template-columns:150px 1fr;gap:12px;align-items:center;padding:14px;background:#F6F7F9;border-left:3px solid #9AA5B5}
.arch-layer.plat{background:#FFF1F1;border-left-color:var(--red)}
.arch-layer.app{border-left-color:var(--gold)}
.arch-lbl{font-weight:800;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--black)}
.arch-items{display:grid;grid-template-columns:repeat(auto-fill,minmax(122px,1fr));gap:8px}
.arch-items span{background:#fff;border:1px solid #DADDE3;padding:9px 8px;font-size:13px;line-height:1.3;text-align:center;color:#2B2B2B;display:flex;align-items:center;justify-content:center;min-height:46px}
.arch-gov{background:#0A0A0A;color:#D6D6D6;padding:18px}.arch-gov .arch-lbl{color:#FFD400}
.arch-gov p{font-size:13px;margin:8px 0 12px;color:#D6D6D6}
.arch-gov ol{list-style:none;margin:0;padding:0}.arch-gov li{font-size:13.5px;padding:6px 0;border-top:1px solid #2A2A2A;color:#fff}.arch-gov li b{color:#FD0303;display:inline-block;width:32px}
.arch-orig{margin-top:16px;font-size:14px}.arch-orig summary{cursor:pointer;font-weight:700;color:var(--kick)}.arch-orig img{margin-top:12px}
@media(max-width:900px){.arch{padding:16px}.arch-grid{grid-template-columns:1fr}.arch-layer{grid-template-columns:1fr}.arch-items{grid-template-columns:repeat(2,1fr)}}
.adv-uc{margin-top:26px}.adv-uc .ucl{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-top:10px}
.adv-uc a{display:block;border:1px solid var(--line);padding:14px 16px;text-decoration:none;color:var(--black);font-weight:700;font-size:15px;background:#fff}.adv-uc a:hover{border-color:var(--red)}.adv-uc a small{display:block;color:var(--mid);font-weight:600;font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.arch-sec{padding:70px 0}.arch-sec .arch{margin:0}
.arch-sec .arch-items{grid-template-columns:repeat(6,1fr)}.arch-sec .arch-layer.app .arch-items,.arch-sec .arch-layer.infra .arch-items{grid-template-columns:repeat(4,1fr)}.arch-sec .arch-layer.data .arch-items{grid-template-columns:repeat(5,1fr)}
.arch-sec .arch-grid{grid-template-columns:1fr 260px}
@media(max-width:1100px){.arch-sec .arch-items,.arch-sec .arch-layer .arch-items{grid-template-columns:repeat(3,1fr)!important}}
@media(max-width:900px){.arch-sec .arch-grid{grid-template-columns:1fr}.arch-sec .arch-items,.arch-sec .arch-layer .arch-items{grid-template-columns:repeat(2,1fr)!important}}
.uccard p{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}

/* ===== ROI calculator ===== */
.roi-wrap{max-width:1080px;margin:0 auto}
.stepper{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin:0 0 30px;counter-reset:s}
.stepper li{list-style:none;position:relative;padding:14px 0 0;border-top:3px solid var(--line);font-size:13px;font-weight:700;color:var(--mid);cursor:pointer}
.stepper li b{display:block;font-size:11px;letter-spacing:.18em;color:var(--mid)}
.stepper li.done{border-color:#000;color:var(--black)}.stepper li.on{border-color:var(--red);color:var(--black)}.stepper li.on b{color:var(--kick)}
.panel h2{font-size:28px;margin:8px 0 6px}.panel .sub{margin:0 0 24px;font-size:16px}
.ucgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.uc{border:1px solid var(--line);padding:18px 18px 16px;cursor:pointer;background:#fff;transition:.15s;position:relative}
.uc:hover{border-color:#000}.uc.on{border-color:var(--red);box-shadow:inset 0 0 0 1px var(--red);background:#FFF7F7}
.uc small{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mid);font-weight:700}
.uc h4{margin:6px 0 4px;font-size:17px}.uc p{margin:0;font-size:13.5px;line-height:1.5}
.uc.on:after{content:"✓";position:absolute;right:12px;top:10px;color:var(--red);font-weight:800}
.uc.other{border-style:dashed}
.field{margin:22px 0}.field>label{display:block;font-size:13px;font-weight:800;color:var(--black);letter-spacing:.02em;margin-bottom:8px}
.field .hint{font-size:13px;color:var(--mid);margin-top:6px}
.chipset{display:flex;flex-wrap:wrap;gap:8px}
.chipset button{border:1px solid #cfcfcb;background:#fff;padding:9px 15px;font:600 14px var(--font);cursor:pointer;color:var(--grey)}
.chipset button:hover{border-color:#000}.chipset button.on{background:var(--black);color:#fff;border-color:var(--black)}
.chipset.scen button.on{background:var(--red);border-color:var(--red)}
.num{display:inline-flex;align-items:stretch;border:1px solid #cfcfcb;background:#fff}
.num button{width:42px;border:0;background:var(--paper);font-size:20px;cursor:pointer;color:var(--black)}
.num input{width:110px;border:0;text-align:center;font:700 18px var(--font);color:var(--black);padding:10px 4px}
.num .u{align-self:center;padding:0 12px;font-size:13px;color:var(--mid);border-left:1px solid var(--line)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px 40px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px 30px}
.autobar{display:flex;gap:18px;align-items:center;background:var(--band);color:var(--band-muted);padding:18px 22px;margin:4px 0 8px;flex-wrap:wrap}
.autobar .btn{background:var(--gold);color:#000}.autobar .btn:hover{background:#ffe14d}.autobar p{margin:0;flex:1;min-width:240px;font-size:14px}
.autobar b{color:#fff}
.est{display:none;background:#FFFBE6;border-left:4px solid var(--gold);padding:12px 16px;font-size:14px;margin:12px 0}.est.show{display:block}
.filled{animation:fl 1.2s}.filled input{background:#FFFBE6}@keyframes fl{0%{box-shadow:0 0 0 3px var(--gold)}100%{box-shadow:none}}
.range{width:100%;accent-color:var(--red)}.rangeval{font-size:30px;font-weight:800;color:var(--black)}.rangeval small{font-size:14px;color:var(--mid);font-weight:600;margin-left:6px}
.nav2{display:flex;justify-content:space-between;align-items:center;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}
.nav2 .back{background:none;border:0;font:700 15px var(--font);color:var(--grey);cursor:pointer}
.summary{font-size:13px;color:var(--mid)}
.example{display:inline-block;background:var(--gold);color:#000;font-size:11px;font-weight:800;letter-spacing:.14em;padding:3px 8px;text-transform:uppercase;vertical-align:middle;margin-left:10px}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);margin:22px 0}
.kpi{padding:22px 22px 18px;border-right:1px solid var(--line)}.kpi:last-child{border-right:0}
.kpi small{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--mid);text-transform:uppercase}
.kpi b{display:block;font-size:34px;font-weight:800;color:var(--black);line-height:1.15;margin:8px 0 2px}.kpi b i{font-style:normal;font-size:16px;color:var(--mid);margin-left:4px}
.kpi.hl{background:var(--black)}.kpi.hl small{color:#bbb}.kpi.hl b{color:var(--gold)}.kpi.hl b i{color:#bbb}
.kpi span{font-size:12.5px;color:var(--mid)}
.dash{display:grid;grid-template-columns:1.35fr 1fr;gap:26px}
.card2{border:1px solid var(--line);padding:22px}.card2 h4{margin:0 0 4px;font-size:16px}.card2 .hint{font-size:12.5px;color:var(--mid);margin:0 0 12px}
.legend{display:flex;gap:16px;font-size:12.5px;margin-top:8px}.legend i{display:inline-block;width:12px;height:12px;margin-right:6px;vertical-align:-1px}
.scen-tbl{width:100%;border-collapse:collapse;font-size:14px}.scen-tbl th,.scen-tbl td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:right}.scen-tbl th:first-child,.scen-tbl td:first-child{text-align:left}
.scen-tbl thead th{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--mid)}.scen-tbl .base{background:#FFF4F4;font-weight:800;color:var(--black)}
.disc{font-size:13px;color:var(--mid);border-left:3px solid var(--gold);padding:10px 14px;background:var(--paper);margin:20px 0}
.howto{border:1px solid var(--line);margin-top:16px}.howto summary{padding:14px 18px;font-weight:800;cursor:pointer;color:var(--black)}.howto div{padding:0 18px 16px;font-size:14px}
.howto code{background:var(--paper);padding:2px 6px;font-size:13px}
.ctabar{display:flex;gap:20px;align-items:center;background:var(--band);color:var(--band-muted);padding:26px 28px;margin-top:22px;flex-wrap:wrap}
.ctabar h3{color:#fff;margin:0 0 4px;font-size:20px}.ctabar p{margin:0;font-size:14px}.ctabar>div{flex:1;min-width:260px}
.lock{font-size:12.5px;color:var(--band-muted)}
@media(max-width:900px){.ucgrid{grid-template-columns:1fr 1fr}.kpis{grid-template-columns:1fr 1fr}.kpi:nth-child(2){border-right:0}.kpi:nth-child(-n+2){border-bottom:1px solid var(--line)}.dash{grid-template-columns:1fr}.grid2,.grid3{grid-template-columns:1fr}.stepper li{font-size:0}.stepper li b{font-size:11px}.panel{padding:22px}}
@media(max-width:560px){.ucgrid{grid-template-columns:1fr}.kpi b{font-size:26px}.kpi{padding:16px}}
.uc.on{background:#FFF7F7}.roi-teaser{display:flex;gap:30px;align-items:center;justify-content:space-between;flex-wrap:wrap}.roi-teaser p{max-width:640px}

/* ROI v2: sliders + Recommend */
.slv{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.slv .range{flex:1;min-width:220px;height:28px}
.slbox input{width:170px;border:1px solid #cfcfcb;background:#fff;text-align:right;font:800 20px var(--font);color:var(--black);padding:10px 12px}
.slbox input:focus,.range:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.chipset.scen4 button[data-v=rec]{border-style:dashed}.chipset.scen4 button[data-v=rec].on{background:var(--black);border-color:var(--black);border-style:solid}
.chipset.scen4 button[data-v=rec]:before{content:"★ ";color:var(--gold)}
.recbox{border:1px solid var(--line);border-left:4px solid var(--gold);background:#FFFDF2;padding:18px 22px;margin:22px 0 0}
.recbox.neg{border-left-color:var(--red);background:#FFF6F6}.recbox .rec-head{margin:0 0 6px;font-size:15.5px;color:var(--black)}.recbox .rec-head b{display:inline-block;width:22px;height:22px;text-align:center;line-height:22px;background:var(--black);color:var(--gold);margin-right:6px;font-size:13px}
.recbox h4{margin:12px 0 8px;font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--mid)}
.recbox .adj{list-style:none;margin:0;padding:0}.recbox .adj li{display:grid;grid-template-columns:200px 1fr;gap:2px 16px;padding:8px 0;border-top:1px solid var(--line);font-size:14.5px}
.recbox .adj li b{color:var(--black)}.recbox .adj li small{grid-column:2;color:var(--mid);font-size:12.5px}.recbox .rec-note{margin:12px 0 0;font-size:13px;color:var(--mid)}
@media(max-width:560px){.recbox .adj li{grid-template-columns:1fr}.recbox .adj li small{grid-column:1}.slv{flex-direction:column;align-items:stretch;gap:10px}.slv .range{min-width:0;width:100%}.slbox input{width:100%;box-sizing:border-box}.scen-tbl{font-size:12.5px}.scen-tbl th,.scen-tbl td{padding:8px 4px}}
@media(max-width:560px){.nav2 .summary{display:none}}

.opt .ot{flex:1}.opt kbd{font:600 11px/1 inherit;color:var(--mid);border:1px solid var(--line);padding:3px 6px;border-radius:3px}.opt:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.rnav{display:flex;justify-content:space-between;gap:12px;margin-top:8px}.rnav .btn[disabled]{opacity:.4;cursor:not-allowed}
.rres{display:grid;grid-template-columns:240px 1fr;gap:40px;margin-top:20px;align-items:center}@media(max-width:720px){.rres{grid-template-columns:1fr;gap:18px}.opt kbd{display:none}#rdy{padding-bottom:80px}}
/* FAB mobile: compact icon-only circle, safe-area aware, content clearance, auto-hide on overlap */
.fab{transition:opacity .2s,transform .2s}
.fab.away{opacity:0;transform:translateY(16px) scale(.85);pointer-events:none}
@media(max-width:720px){
 .fab{right:14px;bottom:calc(14px + env(safe-area-inset-bottom,0px));padding:6px;border-left:0;border-radius:50%;gap:0;font-size:0;box-shadow:0 8px 22px rgba(0,0,0,.35)}
 .fab .dot{width:40px;height:40px}
 .fab .lbl{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
 body{padding-bottom:calc(76px + env(safe-area-inset-bottom,0px))}
}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr!important;gap:32px!important}}