:root{
  --navy:#0d2c3f;
  --deep:#061e2d;
  --blue:#286f95;
  --cyan:#4fb8cf;
  --teal:#20a79b;
  --mint:#dff8f5;
  --aqua:#edf9fc;
  --cream:#fbf8f2;
  --paper:#ffffff;
  --soft:#f4f8fb;
  --text:#20313c;
  --muted:#637682;
  --border:#dde9ef;
  --green:#2f9b6d;
  --red:#b94747;
  --shadow:0 20px 50px rgba(13,44,63,.12);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;color:var(--navy);font-weight:900;letter-spacing:-.03em}
.brand-mark{
  width:46px;height:46px;border-radius:15px;
  background:linear-gradient(135deg,var(--blue),var(--teal));
  color:white;display:grid;place-items:center;font-size:25px;
  box-shadow:0 12px 24px rgba(40,111,149,.2);
}
.brand small{display:block;color:var(--muted);font-weight:750;letter-spacing:0;font-size:.72rem;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:18px;color:#40525d;font-size:.92rem;font-weight:780}
.nav-links a:hover{color:var(--blue)}
.button{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-weight:880;cursor:pointer;transition:.18s ease;
}
.button:hover{transform:translateY(-1px)}
.button-primary{background:var(--blue);color:white;box-shadow:0 12px 26px rgba(40,111,149,.24)}
.button-primary:hover{background:#225f80}
.button-secondary{background:white;color:var(--navy);border-color:var(--border);box-shadow:0 10px 24px rgba(13,44,63,.06)}
.button-dark{background:var(--deep);color:white}
.eyebrow{
  color:var(--teal);font-size:.76rem;font-weight:950;text-transform:uppercase;
  letter-spacing:.13em;margin-bottom:12px;
}
.hero{
  overflow:hidden;position:relative;
  background:
    radial-gradient(circle at 10% 12%,rgba(32,167,155,.19),transparent 28%),
    radial-gradient(circle at 84% 16%,rgba(79,184,207,.18),transparent 30%),
    linear-gradient(180deg,#effaff 0%,#fff 86%);
}
.hero-inner{
  padding:76px 0;display:flex;flex-direction:column;gap:48px;align-items:stretch;
}
.hero-copy{max-width:920px}
.hero h1{
  margin:0 0 24px;color:var(--navy);
  font-size:clamp(2.5rem,5.6vw,5.25rem);line-height:.96;letter-spacing:-.068em;
}
.hero p{margin:0 0 30px;max-width:760px;color:#3f525e;font-size:1.18rem}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.trust-row{max-width:680px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.trust-pill{
  background:rgba(255,255,255,.82);border:1px solid var(--border);border-radius:18px;
  padding:14px 15px;color:#4a5e69;font-weight:820;font-size:.9rem;
}
.hero-card{position:relative;background:white;border:1px solid rgba(221,233,239,.92);border-radius:36px;padding:24px;box-shadow:var(--shadow)}
.hero-visual{min-height:420px;border-radius:30px;background:url("assets/cardiowell-hero.svg") center/cover no-repeat}
.floating-panel{
  position:absolute;left:-18px;bottom:28px;width:300px;background:#fff;border:1px solid var(--border);
  border-radius:24px;padding:18px;box-shadow:0 18px 42px rgba(13,44,63,.16)
}
.floating-panel strong{display:block;color:var(--navy);margin-bottom:5px}
.floating-panel span{font-size:.91rem;color:var(--muted)}
.section{padding:88px 0}
.section-soft{background:var(--soft)}
.section-cream{background:var(--cream)}
.section h2,.page-hero h1{color:var(--navy);letter-spacing:-.052em;line-height:1.05}
.section h2{font-size:clamp(2rem,3.8vw,3.28rem);margin:0 0 18px}
.lead{font-size:1.13rem;color:#526671;margin:0 0 24px}
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:0 10px 28px rgba(13,44,63,.055)
}
.card-icon{
  width:54px;height:54px;border-radius:18px;background:var(--aqua);
  display:grid;place-items:center;font-size:25px;margin-bottom:18px;color:var(--blue);font-weight:900
}
.card h3{margin:0 0 8px;color:var(--navy);line-height:1.18;font-size:1.18rem}
.card p{margin:0;color:var(--muted)}
.card p+p{margin-top:14px}
.feature-image{
  min-height:430px;border-radius:32px;background:url("assets/dashboard-and-cuff.svg") center/cover no-repeat;
  border:1px solid var(--border);box-shadow:var(--shadow)
}
.product-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:28px
}
.product-mini{
  background:#fff;border:1px solid var(--border);border-radius:20px;padding:18px;font-weight:850;color:var(--navy);
}
.value-list{display:grid;gap:14px;margin-top:24px}
.value-item{background:#fff;border:1px solid var(--border);border-radius:18px;padding:16px 18px;display:flex;gap:12px;align-items:flex-start}
.check{flex:0 0 auto;width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:rgba(32,167,155,.14);color:var(--teal);font-weight:950}
.page-hero{
  background:linear-gradient(180deg,#effaff,#fff);
  padding:78px 0 60px;border-bottom:1px solid var(--border)
}
.page-hero h1{font-size:clamp(2.3rem,5vw,4.35rem);max-width:980px;margin:0 0 18px}
.page-hero p{color:#526671;font-size:1.15rem;max-width:850px;margin:0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.team-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.team-card .avatar{
  width:86px;height:86px;border-radius:28px;background:linear-gradient(135deg,var(--blue),var(--teal));
  display:grid;place-items:center;color:white;font-size:1.6rem;font-weight:950;margin-bottom:18px;
}
.team-card small{display:block;color:var(--teal);font-weight:900;margin-bottom:10px;text-transform:uppercase;letter-spacing:.08em}
.badge{display:inline-flex;padding:6px 11px;border-radius:999px;background:var(--aqua);color:var(--blue);font-weight:900;font-size:.82rem;margin-bottom:12px}
.news-card{border-left:6px solid var(--teal)}
.cta-band{
  background:linear-gradient(135deg,var(--deep),#174f69);color:white;border-radius:36px;padding:52px;
  display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;box-shadow:var(--shadow)
}
.cta-band h2{color:white;margin:0 0 10px;font-size:clamp(1.9rem,3vw,2.75rem)}
.cta-band p{color:rgba(255,255,255,.78);margin:0;max-width:760px}
.form-wrap{background:white;border:1px solid var(--border);border-radius:30px;box-shadow:var(--shadow);padding:34px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form-field{display:grid;gap:7px}
.form-field.full{grid-column:1/-1}
label{font-weight:850;color:var(--navy);font-size:.93rem}
input,select,textarea{
  width:100%;border:1px solid #cbd9e0;border-radius:15px;padding:13px 14px;
  font:inherit;color:var(--text);background:white
}
textarea{min-height:128px;resize:vertical}
.form-note{background:var(--cream);border:1px solid #ecdfcd;border-radius:18px;padding:18px;color:#5b5144;margin:22px 0}
.hidden{display:none}
.footer{background:#071f2e;color:rgba(255,255,255,.75);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.25fr repeat(3,.75fr);gap:34px;margin-bottom:34px}
.footer h3,.footer h4{color:white;margin:0 0 12px}
.footer p,.footer a{color:rgba(255,255,255,.7)}
.footer a:hover{color:white}
.footer-links{display:grid;gap:8px}
.legal{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;color:rgba(255,255,255,.58);font-size:.88rem}
.legal p{margin:0 0 10px}
@media(max-width:920px){
  .nav{flex-direction:column;align-items:flex-start;padding:14px 0}
  .nav-links{flex-wrap:wrap;gap:12px}
  .hero-inner,.split,.two-col{grid-template-columns:1fr}
  .trust-row,.card-grid,.team-grid,.product-strip{grid-template-columns:1fr}
  .hero-inner{padding:54px 0}
  .hero-visual{min-height:360px}
  .floating-panel{position:static;margin:-44px 18px 0;width:auto}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .container{width:min(100% - 28px,1160px)}
  .nav-links a:not(.button){display:none}
  .section{padding:62px 0}
  .card,.form-wrap{padding:22px}
}