/* Simplex Diagnostics v2 mockup (v2.1 vibrant palette). Two backgrounds (cream, white) + navy footer and CTA panel.
   Orange = primary buttons, card top borders and key highlights. Teal = icons, icon chips and ticks.
   Two weights: 400 and 700. Heading face only on headlines. */
@font-face{font-family:'Inter';src:url(fonts/inter-latin-400-normal.woff2) format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Inter';src:url(fonts/inter-latin-700-normal.woff2) format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'Plus Jakarta Sans';src:url(fonts/plus-jakarta-sans-latin-700-normal.woff2) format('woff2');font-weight:700;font-style:normal;font-display:swap}
:root{
  --navy:#0D2B57; --navy-80:#34507F; --cream:#FFF5E8; --white:#FFFFFF;
  --orange:#FF8533; --orange-hover:#FF9C5B; --teal:#00848A; --teal-tint:#DDF2F0;
  --line:#EBDDC6; --field:#6B7F99; --on-navy:#D3DEEE;
  --radius:16px; --container:1160px;
  --head:'Plus Jakarta Sans',system-ui,sans-serif; --body:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--cream);color:var(--navy);font-family:var(--body);font-size:18px;line-height:1.5;font-weight:400;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:var(--navy);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--navy);outline-offset:3px;border-radius:6px}
h1,h2{font-family:var(--head);font-weight:700;line-height:1.12;letter-spacing:-.02em;margin:0 0 .5em;color:var(--navy)}
h1{font-size:clamp(2.25rem,4.4vw,3.5rem);max-width:18ch}
h2{font-size:clamp(1.75rem,3vw,2.375rem);max-width:24ch}
h3{font-family:var(--body);font-size:1.15rem;font-weight:700;margin:0 0 .35em}
p{margin:0 0 1em;max-width:68ch;text-wrap:pretty}
h1,h2{text-wrap:balance}
sup{font-size:.6em;line-height:0;position:relative;top:-.15em;margin-left:1px}
.container{max-width:var(--container);margin:0 auto;padding:0 32px}
.narrow{}
.center{text-align:center}.center h2,.center p,h2.center{margin-left:auto;margin-right:auto}
.section{padding:96px 0}
.section--cream{background:var(--cream)}
.section--white{background:var(--white)}
.big{font-size:1.3rem;line-height:1.5}
.small{font-size:1rem}
.skip{position:absolute;left:-999px;top:8px;background:var(--white);padding:8px 14px;z-index:99}
.skip:focus{left:8px}

/* buttons: navy text on orange (see contrast report) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--body);font-weight:700;font-size:1.0625rem;line-height:1.2;
  padding:14px 26px;border-radius:999px;border:2px solid transparent;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s}
.btn--primary{background:var(--orange);color:var(--navy)}
.btn--primary:hover{background:var(--orange-hover);text-decoration:none}
.btn--secondary{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn--secondary:hover{background:var(--white)}
.btn--lg{padding:17px 30px;font-size:1.125rem}
.btn--sm{padding:11px 20px;font-size:1rem}
.btn--block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* header */
.site-header{position:sticky;top:0;z-index:40;background:var(--cream);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:28px;height:84px}
.brand{display:block;flex:none}
.brand img{height:48px;width:auto}
nav[aria-label=Main]{margin-left:auto}
.nav-links{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:10px 14px;text-decoration:none;font-size:1.0625rem;border-radius:999px}
.nav-links a:hover{text-decoration:underline}
.nav-links a[aria-current=page]{text-decoration:underline;text-decoration-thickness:2px;text-decoration-color:var(--orange);text-underline-offset:8px}
.nav-cta{display:flex;align-items:center;gap:10px}
.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--navy);border-radius:12px;background:transparent;color:var(--navy);align-items:center;justify-content:center;cursor:pointer}

/* hero */
.hero{padding:72px 0 88px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero-line{font-size:1.3rem;max-width:34ch;margin:0 0 32px}
.hero-photo{margin:0;border-radius:var(--radius);overflow:hidden;aspect-ratio:1/1;background:var(--line)}
.hero-photo img{width:100%;height:100%;object-fit:cover}

/* mission */
.mission{font-family:var(--body);font-size:clamp(1.35rem,2.2vw,1.7rem);line-height:1.45;max-width:40ch}

/* who we help */
.cards{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{display:flex;flex-direction:column;height:100%;background:var(--white);border:1px solid var(--line);border-top:5px solid var(--teal);border-radius:var(--radius);padding:28px 28px 30px;text-decoration:none;transition:border-color .15s,box-shadow .15s;box-shadow:0 6px 18px rgba(13,43,87,.06)}
.card:hover{border-color:var(--navy);border-top-color:var(--teal);box-shadow:0 10px 26px rgba(13,43,87,.12);text-decoration:none}
.chip{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:16px;background:var(--teal-tint);color:var(--teal);flex:none}
.chip--solid{width:76px;height:76px;border-radius:50%;background:var(--teal);color:var(--white);box-shadow:0 0 0 8px var(--teal-tint)}
.card>.chip{margin-bottom:20px}
.card h3 .arrow{color:var(--navy);flex:none}
.card h3{display:flex;align-items:center;gap:8px;font-size:1.25rem}
.card h3 .arrow{transition:transform .15s}
.card:hover h3 .arrow{transform:translateX(4px)}
.card p{margin:0}

/* tests strip */
.tests-head p{font-size:1.2rem}
.test-list{list-style:none;padding:0;margin:32px 0 20px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.test-list--2{grid-template-columns:repeat(2,minmax(0,280px))}
.test{background:var(--cream);border-radius:var(--radius);padding:22px 22px 24px;border-top:6px solid var(--orange);display:flex;flex-direction:column;gap:6px;box-shadow:0 6px 18px rgba(13,43,87,.06)}
.section--cream .test{background:var(--white)}
.test-name{font-weight:700;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.test-time{font-family:var(--head);font-weight:700;font-size:1.65rem;letter-spacing:-.01em}
.tag{font-size:.8rem;font-weight:400;border:1px solid var(--navy);border-radius:999px;padding:1px 8px}
.footnote{font-size:.875rem;line-height:1.5;color:var(--navy-80);margin:0;max-width:110ch}
.footnote a{color:var(--navy-80)}

/* why / features / how */
.why{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:20px}
.why li{display:flex;gap:16px;align-items:flex-start;font-size:1.3rem;line-height:1.45}
.why .tick{flex:none;color:var(--teal);margin-top:4px}
.features,.how{list-style:none;padding:0;margin:36px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.features li,.how li{display:flex;flex-direction:column;align-items:flex-start;gap:14px;font-weight:700}
.how li{align-items:center;text-align:center;font-size:1.2rem;gap:22px}
.how{max-width:900px;margin-left:auto;margin-right:auto}
.cta-panel{background:var(--navy);color:var(--white);border-radius:24px;padding:72px 40px;position:relative;overflow:hidden}
.cta-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:linear-gradient(90deg,var(--orange) 0 50%,var(--teal) 50% 100%)}
.cta-panel h2{color:var(--white)}
.cta-panel p{color:var(--on-navy)}
.cta .btn{margin-top:8px}
.cta-panel :focus-visible{outline-color:var(--white)}

/* book a demo */
.book{padding:64px 0 96px}
.book-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:64px;align-items:start}
.demo-form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:36px;display:grid;gap:20px;margin-top:8px}
.field{display:grid;gap:8px;border:0;padding:0;margin:0;min-width:0}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
label,legend{font-weight:700;font-size:1rem}
legend{padding:0;margin-bottom:8px}
.opt{font-weight:400}
input,textarea{font:inherit;font-size:1.0625rem;color:var(--navy);background:var(--white);border:1.5px solid var(--field);border-radius:10px;padding:12px 14px;width:100%}
textarea{resize:vertical}
input:focus,textarea:focus{outline:3px solid var(--navy);outline-offset:2px;border-color:var(--navy)}
.invalid input,.invalid textarea,.invalid .seg{border-color:#B3261E;box-shadow:0 0 0 1px #B3261E}
.seg{display:flex;gap:10px;flex-wrap:wrap;border-radius:999px}
.seg label{position:relative;cursor:pointer}
.seg input{position:absolute;opacity:0;width:1px;height:1px}
.seg span{display:inline-block;padding:10px 20px;border:1.5px solid var(--field);border-radius:999px;font-weight:400}
.seg input:checked+span{background:var(--navy);color:var(--white);border-color:var(--navy);font-weight:700}
.seg input:focus-visible+span{outline:3px solid var(--navy);outline-offset:3px}
.form-note{font-size:1rem;margin:0}
.check{display:flex;gap:12px;align-items:flex-start;font-weight:400;cursor:pointer}
.check input{width:20px;height:20px;margin:3px 0 0;flex:none;accent-color:var(--navy)}
.form-error{color:#B3261E;font-weight:700;margin:0}
.demo-form .btn{justify-self:start}
.thanks{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:36px;margin-top:8px}
.book-aside{padding-top:104px}
.book-aside p{display:flex;gap:14px;align-items:center;margin:0 0 18px}
.book-aside .icon{color:var(--teal);flex:none}
.aside-lead{font-size:1.3rem;font-weight:700}

/* footer */
.site-footer{background:var(--navy);color:var(--white);padding:64px 0 40px}
.site-footer a{color:var(--white)}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;align-items:start}
.footer-logo{height:52px;width:auto}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-links a{text-decoration:none}.footer-links a:hover{text-decoration:underline}
.footer-contact{display:grid;gap:10px}
.footer-base{border-top:1px solid rgba(255,255,255,.18);margin-top:44px;padding-top:24px;font-size:.9375rem;color:var(--on-navy)}
.footer-base p{max-width:none;margin:0 0 6px}
.footer-base a{color:var(--on-navy)}

.legal{min-height:50vh}
.sticky-cta{display:none}

/* responsive */
@media (max-width:1020px){
  .nav-links a{padding:10px 9px}
}
@media (max-width:900px){
  .section{padding:64px 0}
  .container{padding:0 22px}
  .hero{padding:32px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-photo{aspect-ratio:16/10}
  .cards,.features{grid-template-columns:1fr;gap:14px}
  .test-list{grid-template-columns:1fr 1fr}
  .test-list--2{grid-template-columns:1fr 1fr}
  .book-grid{grid-template-columns:1fr;gap:32px}
  .book-aside{padding-top:0;order:-1}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid>div:first-child{grid-column:1/-1}
  nav[aria-label=Main]{position:absolute;left:0;right:0;top:100%;background:var(--cream);border-bottom:1px solid var(--line);display:none}
  nav[aria-label=Main].open{display:block}
  .nav-links{flex-direction:column;padding:10px 16px 18px}
  .nav-links a{padding:12px 10px}
  .menu-btn{display:inline-flex}
  .nav{height:72px;position:relative}
  .nav-cta{margin-left:auto}
  .nav-cta .btn{display:none}
  .brand img{height:42px}
  .sticky-cta{display:block;position:fixed;left:0;right:0;bottom:0;z-index:45;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:var(--white);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(13,43,87,.10)}
  body:not(.book-page) .site-footer{padding-bottom:110px}
}
@media (max-width:560px){
  body{font-size:17px}
  .section{padding:48px 0}
  .big,.why li{font-size:1.15rem}
  .hero-line{font-size:1.15rem;margin-bottom:24px}
  .btn-row .btn{flex:1 1 auto}
  .card{padding:18px 20px;display:grid;grid-template-columns:auto 1fr;column-gap:16px}
  .card>.chip{margin:2px 0 0;grid-row:1/3;width:48px;height:48px;border-radius:14px}
  .card h3{font-size:1.1rem}
  .card p{font-size:1rem}
  .mission{font-size:1.25rem}
  .cards{margin-top:24px}
  .test{padding:16px}
  .test-time{font-size:1.35rem}
  .test-list{margin:24px 0 16px;gap:12px}
  .how{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px}
  .how li{font-size:.95rem;gap:16px}
  .chip--solid{width:60px;height:60px;box-shadow:0 0 0 6px var(--teal-tint)}
  .chip--solid svg{width:26px;height:26px}
  .cta-panel{padding:48px 22px;border-radius:20px}
  .features{margin-top:24px}
  .features li{flex-direction:row;align-items:center}
  .field-row{grid-template-columns:1fr}
  .demo-form{padding:22px}
  .footer-grid{gap:28px}
}

.book-page .nav-cta .btn{display:none}