/* SystemAIse — hand-built design system */
:root{
  --navy:#102A43; --navy-2:#1E4258; --teal:#148A84; --teal-bright:#2BC4BB;
  --amber:#D99A2B; --slate:#52667A; --slate-light:#9FB3C8; --bg:#F7FAFC; --white:#fff;
  --radius:14px; --shadow:0 6px 24px rgba(16,42,67,.08); --shadow-lg:0 12px 40px rgba(16,42,67,.14);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --maxw:1120px;
}
*,*::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(--font);color:var(--navy);background:var(--bg);line-height:1.6;font-size:1.0625rem}
img,svg{max-width:100%;height:auto}
a{color:var(--teal)}a:hover{color:var(--navy)}
:focus-visible{outline:3px solid var(--teal-bright);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:.6rem 1rem;z-index:100;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,250,252,.92);backdrop-filter:blur(8px);border-bottom:1px solid rgba(16,42,67,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:.85rem 0;gap:1rem}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--navy);font-weight:800;font-size:1.25rem;letter-spacing:.03em}
.brand .ai{color:var(--teal)}
.brand svg{flex:0 0 auto}
.nav-links{display:flex;gap:1.4rem;align-items:center;list-style:none;margin:0;padding:0}
.nav-links a{text-decoration:none;color:var(--navy);font-weight:600;font-size:.95rem;padding:.3rem 0;border-bottom:2px solid transparent}
.nav-links a:hover,.nav-links a[aria-current="page"]{border-bottom-color:var(--teal);color:var(--navy)}
.nav-cta{background:var(--teal);color:#fff!important;padding:.55rem 1.1rem!important;border-radius:999px;border-bottom:none!important}
.nav-cta:hover{background:var(--navy);}
.menu-btn{display:none;background:none;border:2px solid var(--navy);border-radius:8px;padding:.4rem .6rem;font:inherit;font-weight:700;color:var(--navy);cursor:pointer}
@media(max-width:820px){
  .menu-btn{display:block}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);flex-direction:column;padding:1rem 1.25rem 1.4rem;gap:.9rem;border-bottom:1px solid rgba(16,42,67,.1);box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
}
/* hero */
.hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 70%,#173B52 100%);color:#fff;padding:4.5rem 0 4rem;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(43,196,187,.18),transparent 65%)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center}
.hero h1{font-size:clamp(2rem,4.5vw,3.1rem);line-height:1.12;margin:0 0 1rem;letter-spacing:-.01em}
.hero h1 .accent{color:var(--teal-bright)}
.hero p.lede{font-size:1.2rem;color:var(--slate-light);max-width:34rem;margin:0 0 1.8rem}
.hero .sub{color:#c9d6e2;font-size:.98rem;margin-top:1.2rem}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero-art{max-width:460px;margin:0 auto}}
/* buttons */
.btn{display:inline-block;background:var(--teal);color:#fff;text-decoration:none;font-weight:700;padding:.85rem 1.7rem;border-radius:999px;border:2px solid var(--teal);transition:background .2s,transform .15s}
.btn:hover{background:#0F6E69;border-color:#0F6E69;color:#fff;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn.ghost:hover{border-color:var(--teal-bright);color:var(--teal-bright);background:transparent}
.btn.on-light{color:#fff}
/* sections */
section{padding:3.8rem 0}
.section-alt{background:var(--white)}
.kicker{text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;font-weight:800;color:var(--teal);margin:0 0 .5rem}
h2{font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.2;margin:0 0 1rem;letter-spacing:-.01em}
h3{font-size:1.15rem;margin:0 0 .5rem}
.lead{font-size:1.15rem;color:var(--slate);max-width:44rem}
.grid{display:grid;gap:1.4rem;margin-top:2.2rem}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid.cols-3,.grid.cols-2,.grid.cols-4{grid-template-columns:1fr}}
.card{background:var(--white);border:1px solid rgba(16,42,67,.07);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow)}
.section-alt .card{background:var(--bg)}
.card .icon{width:44px;height:44px;border-radius:10px;background:rgba(20,138,132,.1);display:flex;align-items:center;justify-content:center;margin-bottom:1rem;color:var(--teal)}
.card p{color:var(--slate);margin:.3rem 0 0;font-size:.98rem}
/* process strip */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:2.2rem}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.steps{grid-template-columns:1fr}}
.step{background:var(--white);border-radius:var(--radius);padding:1.4rem;border-top:4px solid var(--teal);box-shadow:var(--shadow)}
.step::before{counter-increment:step;content:"Week " counter(step);display:block;font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--amber);margin-bottom:.4rem}
.step p{color:var(--slate);font-size:.95rem;margin:.3rem 0 0}
/* chips */
.chips{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.6rem}
.chip{background:var(--white);border:1px solid rgba(16,42,67,.12);border-radius:999px;padding:.45rem 1rem;font-size:.92rem;font-weight:600;color:var(--navy)}
/* control panel */
.control{background:var(--navy);color:#fff;border-radius:var(--radius);padding:2.4rem;display:grid;grid-template-columns:1.2fr .8fr;gap:2rem;align-items:center;box-shadow:var(--shadow-lg)}
@media(max-width:820px){.control{grid-template-columns:1fr}}
.control h2{color:#fff}
.control p{color:var(--slate-light)}
.control ul{margin:1rem 0 0;padding:0;list-style:none}
.control li{padding-left:1.7rem;position:relative;margin:.55rem 0;color:#DCE6EF}
.control li::before{content:"";position:absolute;left:0;top:.42em;width:.9em;height:.9em;border-radius:50%;background:var(--teal-bright)}
/* FAQ */
details{background:var(--white);border:1px solid rgba(16,42,67,.08);border-radius:12px;padding:1rem 1.3rem;margin:.7rem 0;box-shadow:var(--shadow)}
summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.4rem;color:var(--teal);font-weight:600;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--slate);margin:.7rem 0 .2rem}
/* forms */
form{display:grid;gap:1.1rem;max-width:640px}
label{font-weight:700;font-size:.95rem;display:block;margin-bottom:.35rem}
.required::after{content:" *";color:var(--amber)}
input,select,textarea{width:100%;padding:.75rem .9rem;font:inherit;border:1.5px solid rgba(16,42,67,.25);border-radius:10px;background:var(--white);color:var(--navy)}
input:focus,select:focus,textarea:focus{border-color:var(--teal);outline:3px solid rgba(43,196,187,.35);outline-offset:0}
.hp-field{position:absolute!important;left:-9999px!important;height:1px;width:1px;overflow:hidden}
.form-note{font-size:.88rem;color:var(--slate)}
.form-status{border-radius:10px;padding:.9rem 1.1rem;font-weight:600;display:none}
.form-status.error{display:block;background:#FBE4E4;color:#7A1F1F;border:1px solid #E5B4B4}
/* footer */
.site-footer{background:var(--navy);color:var(--slate-light);padding:3rem 0 2rem;margin-top:2rem}
.site-footer a{color:#DCE6EF;text-decoration:none}
.site-footer a:hover{color:var(--teal-bright)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem;align-items:start}
@media(max-width:700px){.foot-grid{grid-template-columns:1fr}}
.foot-brand{font-weight:800;font-size:1.2rem;color:#fff;letter-spacing:.03em}
.foot-brand .ai{color:var(--teal-bright)}
.legal{border-top:1px solid rgba(255,255,255,.12);margin-top:2rem;padding-top:1.2rem;font-size:.85rem}
.site-footer ul{list-style:none;margin:.6rem 0 0;padding:0}
.site-footer li{margin:.45rem 0}
/* page hero (inner pages) */
.page-hero{background:var(--navy);color:#fff;padding:3.2rem 0 2.6rem}
.page-hero h1{font-size:clamp(1.7rem,3.5vw,2.5rem);margin:0 0 .6rem}
.page-hero p{color:var(--slate-light);max-width:44rem;margin:0;font-size:1.1rem}
/* misc */
.diagram-panel{background:var(--white);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow)}
.center{text-align:center}
.cta-band{background:linear-gradient(135deg,var(--teal) 0%,#0F6E69 100%);color:#fff;border-radius:var(--radius);padding:2.6rem;text-align:center;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff}
.cta-band .btn{background:#fff;color:var(--navy);border-color:#fff}
.cta-band .btn:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.checklist{list-style:none;padding:0;margin:1rem 0 0}
.checklist li{padding-left:1.9rem;position:relative;margin:.6rem 0;color:var(--slate)}
.checklist li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
.notice{background:rgba(217,154,43,.1);border-left:4px solid var(--amber);padding:1rem 1.2rem;border-radius:0 10px 10px 0;color:var(--navy);font-size:.97rem}
.prose{max-width:46rem}
.prose h2{margin-top:2.2rem}
.prose ul{color:var(--slate)}
table{border-collapse:collapse;width:100%;margin:1.2rem 0}
th,td{text-align:left;padding:.6rem .8rem;border-bottom:1px solid rgba(16,42,67,.12);font-size:.95rem}
th{color:var(--navy)}td{color:var(--slate)}