/* ============================================================
   SENIOR AI HEALTH™ — Global Stylesheet
   Palette drawn from brand logo: royal blue, sky blue, leaf green
   Built senior-first: large type, high contrast, big touch targets
   ============================================================ */

:root{
  --navy:#0B1F3F;          /* deep navy ink */
  --navy-2:#122C57;        /* panel navy */
  --royal:#1B4DB1;         /* royal blue (logo) */
  --sky:#2E9FDF;           /* sky blue (logo) */
  --leaf:#5FAF2B;          /* leaf green (logo) */
  --leaf-dark:#3F7E17;
  --mist:#F2F7FB;          /* pale blue page tint */
  --card:#FFFFFF;
  --ink:#182A46;           /* body text */
  --ink-soft:#42536F;
  --line:#D9E4EF;
  --gold:#F5A623;
  --radius:14px;
  --shadow:0 4px 18px rgba(11,31,63,.08);
  --maxw:1140px;
}

*{margin:0;padding:0;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{
  font-family:"Source Sans 3", "Segoe UI", Arial, sans-serif;
  font-size:19px;                 /* senior-readable base */
  line-height:1.65;
  color:var(--ink);
  background:var(--mist);
}

h1,h2,h3,h4,.display{
  font-family:"Archivo", "Segoe UI", Arial, sans-serif;
  color:var(--navy);
  line-height:1.18;
  letter-spacing:-.01em;
}
h1{font-size:clamp(2.1rem,4.5vw,3.3rem);font-weight:800}
h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800}
h3{font-size:1.28rem;font-weight:700}
p{margin-bottom:1rem}
a{color:var(--royal)}
a:focus-visible,button:focus-visible{outline:3px solid var(--sky);outline-offset:3px;border-radius:6px}
img{max-width:100%;height:auto}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* Skip link */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:12px 18px;z-index:200;border-radius:0 0 10px 0}
.skip-link:focus{left:0}

/* ---------- Header ---------- */
.topbar{background:var(--navy);color:#fff;font-size:.95rem;text-align:center;padding:9px 14px}
.topbar strong{color:#9FD468}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 22px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:56px;width:auto}
nav.main ul{list-style:none;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
nav.main a{
  display:inline-block;padding:12px 15px;min-height:48px;
  font-family:"Archivo",sans-serif;font-weight:600;font-size:1.02rem;
  color:var(--navy);text-decoration:none;border-radius:10px;
}
nav.main a:hover{background:var(--mist);color:var(--royal)}
nav.main a[aria-current="page"]{color:var(--royal);box-shadow:inset 0 -3px 0 var(--leaf)}
.nav-cta{background:var(--royal);color:#fff!important;padding:12px 22px!important;border-radius:999px}
.nav-cta:hover{background:var(--navy)!important;color:#fff!important}
.menu-btn{display:none;background:var(--royal);color:#fff;border:0;border-radius:10px;padding:12px 16px;font-size:1.05rem;font-family:"Archivo",sans-serif;font-weight:700;cursor:pointer}
@media(max-width:960px){
  .menu-btn{display:block}
  nav.main{display:none;width:100%}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;align-items:stretch;padding:8px 0}
  nav.main a{display:block;font-size:1.15rem;padding:14px 12px}
  .nav-wrap{flex-wrap:wrap}
}

/* ---------- Buttons ---------- */
.btn{display:inline-block;font-family:"Archivo",sans-serif;font-weight:700;font-size:1.08rem;
  padding:16px 32px;border-radius:999px;text-decoration:none;text-align:center;min-height:48px;cursor:pointer;border:0}
.btn-primary{background:var(--royal);color:#fff}
.btn-primary:hover{background:var(--navy)}
.btn-green{background:var(--leaf);color:#fff}
.btn-green:hover{background:var(--leaf-dark)}
.btn-outline{border:2.5px solid var(--royal);color:var(--royal);background:#fff}
.btn-outline:hover{background:var(--royal);color:#fff}
.btn-light{background:#fff;color:var(--navy)}
.btn-row{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 55%,#173A75 100%);color:#fff;padding:74px 0 66px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-160px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,159,223,.28),transparent 65%)}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;position:relative;z-index:2}
.hero h1{color:#fff}
.hero h1 .grn{color:#8ED45C}
.hero p.lead{font-size:1.28rem;color:#D6E4F5;max-width:34em;margin:1.2rem 0 1.8rem}
.eyebrow{display:inline-block;font-family:"Archivo",sans-serif;font-weight:700;font-size:.92rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--sky);margin-bottom:14px}
.eyebrow.on-light{color:var(--royal)}
.hero-note{margin-top:20px;font-size:1rem;color:#AFC4E0}

/* Health Score ring — brand signature */
.score-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:22px;padding:34px 28px;text-align:center;backdrop-filter:blur(4px)}
.ring{position:relative;width:220px;height:220px;margin:0 auto 16px}
.ring svg{transform:rotate(-90deg)}
.ring .track{stroke:rgba(255,255,255,.14)}
.ring .meter{stroke:url(#scoreGrad);stroke-linecap:round;transition:stroke-dashoffset 1.6s ease}
.ring .num{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring .num strong{font-family:"Archivo",sans-serif;font-size:3.4rem;font-weight:800;color:#fff;line-height:1}
.ring .num span{font-size:.95rem;color:#9FD468;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-top:6px}
.score-chips{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.chip{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);color:#DCE9F8;font-size:.88rem;padding:7px 13px;border-radius:999px}

/* ---------- Sections ---------- */
section{padding:72px 0}
.section-head{max-width:760px;margin:0 auto 46px;text-align:center}
.section-head p{color:var(--ink-soft);font-size:1.15rem;margin-top:.8rem}
.alt{background:#fff}
.navy-band{background:var(--navy);color:#fff}
.navy-band h2,.navy-band h3{color:#fff}
.navy-band p{color:#C9D9EE}

/* Cards */
.grid{display:grid;gap:26px}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.grid.c5{grid-template-columns:repeat(5,1fr)}
@media(max-width:960px){.grid.c3,.grid.c4,.grid.c5{grid-template-columns:repeat(2,1fr)}.hero-grid{grid-template-columns:1fr}}
@media(max-width:620px){.grid.c2,.grid.c3,.grid.c4,.grid.c5{grid-template-columns:1fr}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow)}
.card h3{margin-bottom:.55rem}
.card .mod-num{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;
  background:var(--navy);color:#fff;font-family:"Archivo",sans-serif;font-weight:800;font-size:1.15rem;margin-bottom:14px}
.card.leaf-top{border-top:5px solid var(--leaf)}
.card.sky-top{border-top:5px solid var(--sky)}
.card ul{list-style:none;margin-top:8px}
.card ul li{padding:7px 0 7px 30px;position:relative;color:var(--ink-soft)}
.card ul li::before{content:"✓";position:absolute;left:0;color:var(--leaf);font-weight:800}

/* Feature icon dot */
.icon-dot{width:58px;height:58px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:1.7rem;background:linear-gradient(135deg,var(--sky),var(--royal));margin-bottom:16px}

/* Daily command strip */
.day-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
@media(max-width:960px){.day-strip{grid-template-columns:repeat(3,1fr)}}
@media(max-width:620px){.day-strip{grid-template-columns:repeat(2,1fr)}}
.day-item{background:var(--navy-2);border:1px solid #24457E;border-radius:12px;padding:18px 12px;text-align:center;color:#DCE9F8;font-size:.98rem;font-weight:600}
.day-item span{display:block;font-size:1.6rem;margin-bottom:8px}

/* Steps */
.step{counter-increment:step;display:flex;gap:20px;align-items:flex-start;margin-bottom:26px}
.step-num{flex:0 0 54px;height:54px;border-radius:50%;background:var(--leaf);color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:"Archivo",sans-serif;font-weight:800;font-size:1.3rem}

/* Plans */
.plan{position:relative;display:flex;flex-direction:column}
.plan .price{font-family:"Archivo",sans-serif;font-weight:800;font-size:2rem;color:var(--royal);margin:.4rem 0}
.plan .price small{font-size:1rem;color:var(--ink-soft);font-weight:600}
.plan .btn{margin-top:auto}
.plan.featured{border:2.5px solid var(--royal)}
.badge{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:var(--gold);color:var(--navy);
  font-family:"Archivo",sans-serif;font-weight:800;font-size:.85rem;padding:6px 16px;border-radius:999px;white-space:nowrap}

/* Trust bar */
.trust{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
@media(max-width:960px){.trust{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.trust{grid-template-columns:1fr}}
.trust-item{display:flex;gap:14px;align-items:flex-start}
.trust-item .t-icon{font-size:1.8rem}
.trust-item strong{display:block;font-family:"Archivo",sans-serif;color:#fff;font-size:1.02rem}
.trust-item p{font-size:.92rem;margin:0;color:#B9CCE6}

/* FAQ */
details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;box-shadow:var(--shadow)}
summary{cursor:pointer;padding:20px 24px;font-family:"Archivo",sans-serif;font-weight:700;font-size:1.12rem;color:var(--navy);list-style:none;position:relative;padding-right:56px}
summary::after{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:1.6rem;color:var(--leaf);font-weight:800}
details[open] summary::after{content:"–"}
details .faq-body{padding:0 24px 22px;color:var(--ink-soft)}

/* Legal pages */
.legal{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:48px;box-shadow:var(--shadow)}
.legal h2{margin:2rem 0 .8rem;font-size:1.5rem}
.legal h3{margin:1.4rem 0 .5rem}
.legal ul,.legal ol{margin:0 0 1rem 1.5rem}
.legal li{margin-bottom:.5rem}
.legal .updated{color:var(--ink-soft);font-size:1rem;margin-bottom:1.6rem}
.callout{background:#EFF7E8;border-left:6px solid var(--leaf);border-radius:0 12px 12px 0;padding:20px 24px;margin:1.4rem 0}
.callout.blue{background:#EAF4FC;border-left-color:var(--sky)}
.callout.warn{background:#FDF3E3;border-left-color:var(--gold)}
.page-hero{background:linear-gradient(150deg,var(--navy),#173A75);color:#fff;padding:58px 0}
.page-hero h1{color:#fff}
.page-hero p{color:#C9D9EE;font-size:1.18rem;max-width:44em;margin-top:.8rem}
table.simple{width:100%;border-collapse:collapse;margin:1rem 0 1.6rem;font-size:1rem}
table.simple th{background:var(--navy);color:#fff;text-align:left;padding:12px 14px;font-family:"Archivo",sans-serif}
table.simple td{border:1px solid var(--line);padding:12px 14px;vertical-align:top}
table.simple tr:nth-child(even) td{background:var(--mist)}

/* CTA band */
.cta-band{background:linear-gradient(135deg,var(--royal),var(--sky));color:#fff;text-align:center;padding:72px 0}
.cta-band h2{color:#fff}
.cta-band p{color:#EAF3FC;font-size:1.2rem;max-width:36em;margin:1rem auto 1.8rem}

/* Footer */
footer.site{background:var(--navy);color:#B9CCE6;padding:60px 0 30px;font-size:1rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:38px}
@media(max-width:960px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.foot-grid{grid-template-columns:1fr}}
footer .f-brand img{height:52px;background:#fff;border-radius:10px;padding:6px 10px;margin-bottom:14px}
footer h4{color:#fff;font-family:"Archivo",sans-serif;font-size:1.05rem;margin-bottom:14px}
footer ul{list-style:none}
footer li{margin-bottom:10px}
footer a{color:#B9CCE6;text-decoration:none;padding:4px 0;display:inline-block}
footer a:hover{color:#8ED45C;text-decoration:underline}
.foot-disclaimer{border-top:1px solid #24457E;padding-top:24px;font-size:.92rem;color:#8AA3C6}
.foot-disclaimer strong{color:#C9D9EE}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.show{opacity:1;transform:none}

/* Text size toggle (accessibility) */
body.text-lg{font-size:22px}
body.text-lg nav.main a{font-size:1.12rem}
.a11y-btn{background:#fff;border:2px solid var(--royal);color:var(--royal);border-radius:10px;
  font-family:"Archivo",sans-serif;font-weight:700;font-size:.98rem;padding:10px 14px;cursor:pointer;min-height:48px}
.a11y-btn:hover{background:var(--royal);color:#fff}