/* ============================================================
   OneFlow — Apple-inspired: white, image-forward, vivid accents
   ============================================================ */
:root {
  --white:#ffffff;
  --gray:#f5f5f7;      /* Apple light gray section */
  --ink:#1d1d1f;       /* near-black text */
  --sub:#6e6e73;       /* secondary text */
  --line:#d2d2d7;
  --blue:#0066cc;      /* link blue */

  --sans:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;

  --maxw:1040px;
  --wide:1200px;
  --gutter:clamp(1.25rem,5vw,3rem);
  --radius:22px;
  --ease:cubic-bezier(0.22,1,0.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--white);
  line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  letter-spacing:-0.01em;
}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-0.03em;line-height:1.06;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img,svg{display:block;max-width:100%;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter);}
.container-wide{max-width:var(--wide);}

.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:200;}
.skip-link:focus{left:0;}

/* defs holder */
.defs{position:absolute;width:0;height:0;overflow:hidden;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,0.72);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(0,0,0,0.07);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:56px;}
.brand{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:1.2rem;letter-spacing:-0.02em;color:var(--ink);}
.brand-mark{width:26px;height:26px;flex:none;}
.nav{display:flex;gap:2rem;}
.nav a{font-size:.9rem;font-weight:400;color:var(--ink);opacity:.8;transition:opacity .3s;}
.nav a:hover{opacity:1;}

/* ---------- Buttons / links ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.4rem;background:var(--blue);color:#fff;
  font-size:1.02rem;font-weight:400;padding:.7rem 1.5rem;border-radius:980px;
  transition:transform .3s var(--ease),filter .3s var(--ease);
}
.btn:hover{filter:brightness(1.08);transform:translateY(-1px);}
.link-arrow{color:var(--blue);font-size:1.05rem;display:inline-flex;align-items:center;gap:.15rem;transition:gap .3s var(--ease);}
.link-arrow:hover{gap:.45rem;}
.link-arrow::after{content:"›";font-size:1.3em;line-height:1;}

/* ---------- Hero ---------- */
.hero{text-align:center;padding:clamp(3.5rem,8vw,6rem) 0 clamp(2rem,5vw,3.5rem);}
.eyebrow{font-size:1rem;font-weight:600;color:var(--blue);margin-bottom:1rem;letter-spacing:0;}
.hero-title{font-size:clamp(2.6rem,7vw,5rem);line-height:1.04;margin-bottom:1.6rem;}
.hero-lead{font-size:clamp(1.2rem,2.5vw,1.65rem);font-weight:400;color:var(--sub);max-width:720px;margin:0 auto 2rem;line-height:1.35;}
.hero-actions{display:flex;gap:1.6rem;justify-content:center;align-items:center;flex-wrap:wrap;}
.hero-visual{margin:clamp(1rem,4vw,2.5rem) auto 0;width:min(360px,72vw);}
.vortex-hero{width:100%;height:auto;animation:spin 40s linear infinite;transform-origin:50% 50%;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- Sections ---------- */
.section{padding:clamp(4rem,9vw,7rem) 0;}
.section-gray{background:var(--gray);}
.center{text-align:center;}
.kicker{font-size:1rem;font-weight:600;color:var(--blue);margin-bottom:.8rem;}
.section-title{font-size:clamp(2rem,4.5vw,3.2rem);line-height:1.08;}
.section-head{max-width:720px;margin-bottom:clamp(2rem,5vw,3.5rem);}
.section-head.center{margin-inline:auto;}
.lead{font-size:clamp(1.3rem,3vw,2rem);font-weight:600;line-height:1.3;max-width:860px;letter-spacing:-0.02em;}
.lead .grad{background:linear-gradient(90deg,#7b5cff,#ff5c8a 55%,#ffb35c);-webkit-background-clip:text;background-clip:text;color:transparent;}
.muted{color:var(--sub);}

/* ---------- QALY feature ---------- */
.feature{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:center;}
.feature-img{border-radius:var(--radius);overflow:hidden;background:var(--gray);box-shadow:0 30px 60px -40px rgba(0,0,0,.3);}
.feature-img img{width:100%;height:100%;object-fit:cover;display:block;}
.feature p+p{margin-top:1rem;}
.feature .lead{margin-bottom:1.4rem;}

/* ---------- Companies ---------- */
.company-feature{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center;
  padding:clamp(2rem,5vw,3.5rem) 0;
}
.company-feature.rev .cf-media{order:2;}
.cf-media{border-radius:var(--radius);overflow:hidden;aspect-ratio:16/11;box-shadow:0 30px 60px -40px rgba(0,0,0,.35);}
.cf-media img{width:100%;height:100%;object-fit:cover;}
.cf-tile{
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eaf0ff 0%,#e9f7f3 100%);
}
.cf-tile img{height:34px;width:auto;}
.cf-logo{height:26px;width:auto;margin-bottom:1.1rem;}
.cf-logo.cf-logo--cent{height:28px;}
.cf-desc{font-size:clamp(1.1rem,2vw,1.35rem);color:var(--ink);line-height:1.4;margin-bottom:1.2rem;max-width:460px;}

/* ---------- Focus ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,5rem);}
.col-title{font-size:clamp(1.4rem,3vw,1.9rem);margin-bottom:1.2rem;}
.list{list-style:none;margin:0;padding:0;}
.list li{padding:.7rem 0;font-size:1.12rem;color:var(--ink);border-bottom:1px solid var(--line);}
.list li:last-child{border-bottom:0;}
.list small{display:block;color:var(--sub);font-size:.92rem;margin-top:.15rem;}

/* ---------- Founder ---------- */
.founder{display:grid;grid-template-columns:200px 1fr;gap:clamp(1.5rem,5vw,3.5rem);align-items:center;}
.headshot{width:200px;height:200px;object-fit:cover;border-radius:24px;display:block;box-shadow:0 24px 50px -30px rgba(0,0,0,.4);}
.founder-name{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:.35rem;}
.founder-role{color:var(--sub);font-size:1.05rem;margin-bottom:1.1rem;}
.founder-bio{font-size:1.15rem;color:var(--ink);max-width:620px;line-height:1.5;}

/* ---------- Contact (gradient band) ---------- */
.contact-band{
  background:linear-gradient(120deg,#7b5cff 0%,#ff5c8a 55%,#ffb35c 100%);
  color:#fff;text-align:center;padding:clamp(4.5rem,10vw,7.5rem) 0;
}
.contact-band .kicker{color:rgba(255,255,255,.85);}
.contact-band .section-title{color:#fff;}
.contact-band p{color:rgba(255,255,255,.92);font-size:clamp(1.15rem,2.2vw,1.45rem);max-width:640px;margin:1.2rem auto 2rem;}
.contact-email{
  display:inline-block;font-size:clamp(1.3rem,3vw,1.9rem);font-weight:600;color:#fff;
  border-bottom:2px solid rgba(255,255,255,.5);transition:border-color .3s;
}
.contact-email:hover{border-color:#fff;}

/* ---------- Footer ---------- */
.site-footer{background:var(--gray);padding:2.5rem 0;border-top:1px solid var(--line);}
.footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;}
.footer-brand{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;color:var(--ink);}
.footer-brand .brand-mark{width:22px;height:22px;}
.footer-meta{font-size:.82rem;color:var(--sub);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:820px){
  .feature,.company-feature,.two-col,.founder{grid-template-columns:1fr;}
  .company-feature.rev .cf-media{order:0;}
  .feature-img,.cf-media{order:-1;}
  .founder{justify-items:center;text-align:center;}
  .founder-bio{margin-inline:auto;}
  .nav{gap:1.2rem;}
}
@media (max-width:520px){
  .nav{display:none;}
  .hero-actions{flex-direction:column;gap:1rem;}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;transition:none;}
  .vortex-hero{animation:none!important;}
}