/* AIChainWorks — site styles */
@font-face{font-family:"Outfit";src:url(/assets/fonts/outfit-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Outfit";src:url(/assets/fonts/outfit-latin-700-normal.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Outfit";src:url(/assets/fonts/outfit-latin-800-normal.woff2) format("woff2");font-weight:800;font-display:swap}
@font-face{font-family:"Inter";src:url(/assets/fonts/inter-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Inter";src:url(/assets/fonts/inter-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Inter";src:url(/assets/fonts/inter-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}

:root{
  --navy:#1E2A44; --navy-900:#141C2F; --navy-800:#1A2440; --navy-700:#2A3A5E;
  --orange:#F97316; --orange-600:#EA580C; --orange-700:#C2410C; --orange-50:#FFF4EC;
  --ink:#0F172A; --text:#334155; --muted:#5B6678; --line:#E3E7EE; --bg:#FFFFFF; --bg-soft:#F6F7FA;
  --green:#16A34A;
  --radius:14px; --radius-sm:10px;
  --shadow:0 1px 2px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);
  --shadow-lg:0 2px 4px rgba(15,23,42,.06),0 18px 48px rgba(15,23,42,.12);
  --max:1160px;
  --font-head:"Outfit",ui-sans-serif,system-ui,sans-serif;
  --font-body:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;font-family:var(--font-body);font-size:17px;line-height:1.65;color:var(--text);background:var(--bg)}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--orange-700);text-underline-offset:3px}
a:hover{color:var(--orange-600)}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--ink);line-height:1.15;letter-spacing:-.015em;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,5.2vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:700}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1em}
ul,ol{padding-left:1.25em}
code,kbd{font-family:var(--font-mono);font-size:.9em;background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;padding:.1em .35em}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:.6em 1em;z-index:100}
.skip:focus{left:1rem;top:1rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.center{text-align:center}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.eyebrow{display:inline-block;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--orange-700);font-weight:600;margin-bottom:.8rem}
.lead{font-size:1.18rem;color:var(--text);max-width:640px}
.section{padding:84px 0}
.section.soft{background:var(--bg-soft)}
.section.dark{background:var(--navy);color:#C9D2E3}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark .eyebrow{color:#FDBA74}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.brand img{height:32px;width:auto}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:8px 12px;border-radius:8px;color:var(--ink);text-decoration:none;font-weight:500;font-size:.96rem}
.nav-links a:hover{background:var(--bg-soft);color:var(--ink)}
.nav-links a[aria-current="page"]{color:var(--orange-700)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer;color:var(--ink)}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-links{display:none;position:absolute;left:0;right:0;top:68px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 16px 16px;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px}
  .nav-links .btn{text-align:center;margin-top:6px}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-family:var(--font-body);font-weight:600;font-size:1rem;padding:.8em 1.3em;border-radius:10px;border:2px solid transparent;text-decoration:none;cursor:pointer;transition:transform .15s,background .15s,box-shadow .15s;line-height:1.2}
.btn-primary{background:var(--orange);color:#1a0d02;box-shadow:0 6px 18px rgba(249,115,22,.28)}
.btn-primary:hover{background:var(--orange-600);color:#fff;transform:translateY(-1px)}
.nav-links a.btn-primary{color:#1a0d02;padding:9px 16px}
.nav-links a.btn-primary:hover{color:#fff;background:var(--orange-600)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.dark .btn-ghost,.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.28)}
.dark .btn-ghost:hover,.hero .btn-ghost:hover{border-color:#fff;color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* hero */
.hero{position:relative;background:radial-gradient(1200px 500px at 85% -10%,rgba(249,115,22,.22),transparent 60%),linear-gradient(180deg,var(--navy-900),var(--navy));color:#C9D2E3;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(180deg,#000 30%,transparent);pointer-events:none}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-top:88px;padding-bottom:96px}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero .lead{color:#C9D2E3}
.hero .eyebrow{color:#FDBA74}
.hero-note{margin-top:22px;font-size:.92rem;color:#95A3BC;display:flex;align-items:center;gap:8px}
.pulse{width:9px;height:9px;border-radius:50%;background:#22C55E;box-shadow:0 0 0 0 rgba(34,197,94,.6);animation:pulse 2s infinite;flex:none}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.55)}70%{box-shadow:0 0 0 10px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;padding-top:56px;padding-bottom:64px}}

/* flow visual */
.flow{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:22px;box-shadow:0 30px 60px rgba(0,0,0,.25)}
.flow-title{font-family:var(--font-mono);font-size:.78rem;color:#95A3BC;display:flex;justify-content:space-between;margin-bottom:14px}
.flow-step{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-radius:12px;padding:12px 14px;color:#E6EBF4;position:relative}
.flow-step + .flow-step{margin-top:26px}
.flow-step + .flow-step::before{content:"";position:absolute;left:31px;top:-27px;width:2px;height:27px;background:linear-gradient(var(--orange),rgba(249,115,22,.2))}
.flow-step + .flow-step::after{content:"";position:absolute;left:28px;top:-20px;width:8px;height:8px;border-radius:50%;background:var(--orange);animation:drip 2.4s infinite}
.flow-step:nth-child(3)::after{animation-delay:.6s}.flow-step:nth-child(4)::after{animation-delay:1.2s}.flow-step:nth-child(5)::after{animation-delay:1.8s}
@keyframes drip{0%{transform:translateY(-6px);opacity:0}30%{opacity:1}100%{transform:translateY(18px);opacity:0}}
.flow-icon{width:36px;height:36px;border-radius:9px;background:rgba(249,115,22,.16);color:var(--orange);display:grid;place-items:center;flex:none;font-family:var(--font-mono);font-weight:700;font-size:.8rem}
.flow-step b{display:block;color:#fff;font-weight:600;font-size:.95rem}
.flow-step span{font-size:.84rem;color:#95A3BC}
.flow-step .t{margin-left:auto;font-family:var(--font-mono);font-size:.75rem;color:#86EFAC}

/* strip */
.strip{border-bottom:1px solid var(--line);background:#fff}
.strip .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:10px 28px;padding-top:22px;padding-bottom:22px}
.strip-label{font-family:var(--font-mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.chip{display:inline-flex;align-items:center;gap:8px;font-weight:500;color:var(--ink);font-size:.95rem}
.chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}

/* grids & cards */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card h3{margin-bottom:.4em}
.card p:last-child{margin-bottom:0}
.card .icon{width:44px;height:44px;border-radius:11px;background:var(--orange-50);color:var(--orange-700);display:grid;place-items:center;margin-bottom:16px}
.card .icon svg{width:22px;height:22px}
.card.link{text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s,border-color .15s}
.card.link:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#F3C9A8}
.card .more{margin-top:auto;padding-top:14px;font-weight:600;color:var(--orange-700)}
.dark .card{background:var(--navy-800);border-color:rgba(255,255,255,.1);box-shadow:none;color:#C9D2E3}

.price{font-family:var(--font-head);font-size:1.6rem;font-weight:700;color:var(--ink);margin:.2em 0 .6em}
.price small{font-family:var(--font-body);font-size:.85rem;font-weight:500;color:var(--muted)}
.check{list-style:none;padding:0;margin:0 0 1em}
.check li{position:relative;padding-left:28px;margin:.45em 0}
.check li::before{content:"";position:absolute;left:0;top:.42em;width:16px;height:16px;border-radius:50%;background:var(--orange-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.2l2.6 2.6L12 5.4' fill='none' stroke='%23C2410C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.x li::before{background:#FEE2E2 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M5 5l6 6M11 5l-6 6' fill='none' stroke='%23B91C1C' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/11px no-repeat}
.tag{display:inline-block;font-family:var(--font-mono);font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:.25em .6em;border-radius:6px;background:var(--orange-50);color:var(--orange-700);margin:0 6px 6px 0}

/* steps */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media (max-width:980px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding-top:56px}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;top:0;left:0;font-family:var(--font-head);font-weight:800;font-size:2.4rem;color:var(--orange);line-height:1}

/* case study */
.case{display:grid;grid-template-columns:260px 1fr;gap:36px;padding:36px 0;border-top:1px solid var(--line)}
.case:first-of-type{border-top:0}
@media (max-width:820px){.case{grid-template-columns:1fr;gap:12px}}
.case h3{font-size:1.45rem}
.case dl{margin:0;display:grid;grid-template-columns:120px 1fr;gap:10px 18px}
.case dt{font-family:var(--font-mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding-top:.25em}
.case dd{margin:0}
@media (max-width:560px){.case dl{grid-template-columns:1fr}.case dt{padding-top:.6em}}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-family:var(--font-head);font-weight:600;font-size:1.12rem;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--orange-700);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:.8em 0 0}

/* cta band */
.cta-band{background:linear-gradient(120deg,var(--orange-700),var(--orange));color:#fff;border-radius:22px;padding:48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{color:#fff;margin:0 0 .25em}
.cta-band p{margin:0;color:#FFEAD9}
.cta-band .btn{background:#fff;color:var(--orange-700)}
.cta-band .btn:hover{background:var(--navy);color:#fff}

/* forms */
.form{display:grid;gap:16px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:640px){.form .row{grid-template-columns:1fr}}
label{display:block;font-weight:600;color:var(--ink);font-size:.95rem;margin-bottom:6px}
label .opt{font-weight:400;color:var(--muted)}
input[type=text],input[type=email],select,textarea{width:100%;font:inherit;font-size:1rem;padding:.75em .9em;border:1.5px solid #CBD3DF;border-radius:10px;background:#fff;color:var(--ink)}
textarea{min-height:140px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 4px rgba(249,115,22,.18)}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.form-msg{display:none;padding:14px 16px;border-radius:10px;font-weight:500}
.form-msg.ok{display:block;background:#ECFDF3;color:#14532D;border:1px solid #BBF7D0}
.form-msg.err{display:block;background:#FEF2F2;color:#7F1D1D;border:1px solid #FECACA}
.consent{font-size:.88rem;color:var(--muted)}
.inline-form{display:flex;gap:10px;flex-wrap:wrap}
.inline-form input{flex:1 1 240px}
.dark input[type=email]{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.2);color:#fff}
.dark input::placeholder{color:#95A3BC}
.dark .consent{color:#95A3BC}
.dark .consent a{color:#FDBA74}

/* page header */
.page-head{background:linear-gradient(180deg,var(--navy-900),var(--navy));color:#C9D2E3;padding:72px 0 64px}
.page-head h1{color:#fff;font-size:clamp(2rem,4.4vw,3rem)}
.page-head .eyebrow{color:#FDBA74}
.page-head .lead{color:#C9D2E3}

/* prose (legal) */
.prose{max-width:760px}
.prose h2{font-size:1.5rem;margin-top:2em}
.prose h3{font-size:1.15rem;margin-top:1.5em}
.prose li{margin:.35em 0}
.prose table{border-collapse:collapse;width:100%;font-size:.95rem;margin:1em 0}
.prose th,.prose td{border:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}
.prose th{background:var(--bg-soft)}

/* status */
.status-list{display:grid;gap:10px}
.status-item{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px}
.status-item b{color:var(--ink);font-weight:600}
.status-item span{font-size:.9rem;color:var(--muted)}
.status-item img{height:20px;width:auto}

/* diagram */
.diagram{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);overflow-x:auto}
.diagram svg{min-width:680px}

/* cleaner tool */
.tool{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:860px){.tool{grid-template-columns:1fr}}
.tool textarea{min-height:300px;font-family:var(--font-mono);font-size:.9rem;line-height:1.55}
.tool-out{min-height:300px;white-space:pre-wrap;word-break:break-word;font-family:var(--font-mono);font-size:.9rem;line-height:1.55;background:var(--bg-soft);border:1.5px solid #CBD3DF;border-radius:10px;padding:.75em .9em;color:var(--ink)}
.tool-out mark{background:#FFE7D3;color:var(--orange-700);border-radius:4px;padding:0 .2em;font-weight:600}
.toggles{display:flex;flex-wrap:wrap;gap:8px 18px;margin:14px 0}
.toggles label{display:flex;align-items:center;gap:8px;font-weight:500;margin:0;cursor:pointer}
.toggles input{accent-color:var(--orange-600);width:18px;height:18px}
.counts{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.counts span{font-family:var(--font-mono);font-size:.8rem;background:var(--orange-50);color:var(--orange-700);border-radius:6px;padding:.25em .6em}

/* footer */
.site-footer{background:var(--navy-900);color:#95A3BC;padding:64px 0 32px;font-size:.95rem}
.site-footer a{color:#C9D2E3;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-size:.95rem;font-family:var(--font-body);font-weight:600;letter-spacing:.02em;margin-bottom:12px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:.4em 0}
.foot-brand img{height:30px;width:auto;margin-bottom:14px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.86rem}
.status-pill{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.8rem;color:#C9D2E3}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}
.card .tag{align-self:flex-start}
.brand img{height:34px}