/* =========================================================
   THRIVE HEALTH RESEARCH - shared stylesheet (all pages)
   Colors / fonts: change the values in :root only.
   ========================================================= */
:root{
  --ink:#12221f; --navy:#102a2b; --navy-2:#173c3b; --cream:#f4f0e7; --paper:#fbfaf7;
  --mint:#cfe3d6; --lime:#d9e86a; --muted:#5f6c67; --line:#d8ded9; --white:#fff;
  --link:#1d5c52; --radius:22px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(1180px,calc(100% - 42px));margin:auto}
.narrow{width:min(780px,calc(100% - 36px));margin:auto}

/* ---------- Header ---------- */
.site-header{background:rgba(251,250,247,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;gap:10px;align-items:center;font-weight:850;letter-spacing:-.4px;font-size:17px}
.mark{width:30px;height:30px;border-radius:50%;background:var(--navy);position:relative;flex:0 0 auto}
.mark:after{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:var(--lime);right:3px;top:3px}
.links{display:flex;gap:26px;font-size:14px;color:#46544f}
.links a{padding:6px 0;border-bottom:2px solid transparent}
.links a:hover,.links a.active{color:var(--navy);border-bottom-color:var(--lime)}
.nav-cta{border:1px solid var(--ink);padding:9px 16px;border-radius:999px;font-weight:750;font-size:13px;white-space:nowrap}
.nav-cta:hover{background:var(--navy);color:#fff}

/* ---------- Hero (home) ---------- */
.hero{background:var(--navy);color:#fff;padding:80px 0 0;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:60px;align-items:end}
.eyebrow{color:var(--lime);font-size:12px;font-weight:850;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:18px}
.hero h1{font-size:clamp(42px,6.4vw,74px);line-height:1;letter-spacing:-3px;margin:0 0 24px;max-width:620px}
.hero-copy{color:#d7e1dc;font-size:18px;max-width:520px;margin:0 0 30px}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--lime);color:var(--navy);font-weight:850;padding:14px 22px;border-radius:999px;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.2)}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4);margin-left:10px}
.hero-note{font-size:12px;color:#aabcb5;margin:16px 0 56px}
.hero-art{position:relative;min-height:440px}
.hero-art img{width:100%;height:100%;object-fit:cover;border-radius:30px 30px 0 0;border:1px solid rgba(255,255,255,.18);box-shadow:0 22px 70px rgba(0,0,0,.28)}
.stamp{position:absolute;left:-26px;top:40px;background:var(--lime);color:var(--navy);width:110px;height:110px;border-radius:50%;display:grid;place-items:center;text-align:center;font-size:12px;font-weight:900;line-height:1.1;transform:rotate(-8deg)}

.ticker{background:var(--lime);color:var(--navy)}
.ticker-inner{display:flex;justify-content:space-between;gap:20px;padding:13px 0;font-size:12px;font-weight:800;letter-spacing:.6px;text-transform:uppercase}
.ticker-inner span:last-child{opacity:.65}

/* ---------- Sections ---------- */
section{padding:84px 0}
.kicker{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;font-weight:850;color:#5d6d66}
.title{font-size:clamp(34px,4.6vw,54px);line-height:1.04;letter-spacing:-2.2px;margin:10px 0 14px;max-width:780px}
.intro{color:var(--muted);max-width:620px;margin:0;font-size:17px}

/* trust strip */
.trust{background:#fff;border-bottom:1px solid var(--line);padding:30px 0}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.trust-item strong{display:block;font-size:15px}
.trust-item span{font-size:13px;color:var(--muted)}

/* article cards */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:42px}
.card{border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(16,42,43,.10)}
.card img{width:100%;aspect-ratio:7/4;object-fit:cover;background:var(--mint)}
.card-body{padding:26px;display:flex;flex-direction:column;gap:8px;flex:1}
.tag{font-size:11px;font-weight:900;letter-spacing:1.2px;text-transform:uppercase;color:#46675a}
.card h3{font-size:24px;line-height:1.15;letter-spacing:-.8px;margin:2px 0 0}
.card p{font-size:15px;color:var(--muted);margin:0}
.card .more{margin-top:auto;padding-top:12px;font-weight:850;font-size:14px;color:var(--link)}
.meta-line{font-size:12px;color:#7a8883}

/* about */
.about{background:var(--cream)}
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}
.about-visual{position:relative}
.about-visual img{border-radius:26px;width:100%;box-shadow:16px 18px 0 var(--mint)}
.about-card{position:absolute;right:-16px;bottom:22px;background:var(--navy);color:#fff;padding:18px 20px;border-radius:17px;width:190px;font-size:12px}
.about-card strong{display:block;color:var(--lime);font-size:19px;margin-bottom:3px}
.about-copy h2{font-size:clamp(34px,4.6vw,52px);line-height:1.02;letter-spacing:-2.2px;margin:9px 0 18px}
.about-copy p{color:#546059}
.principles{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.principle{border-top:1px solid #c6cdc7;padding-top:14px}
.principle strong{display:block;font-size:15px;margin-bottom:3px}
.principle span{font-size:13.5px;color:#65716b}

/* topics */
.topics{background:#fff}
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:38px}
.topic{min-height:190px;border:1px solid var(--line);padding:22px;border-radius:20px;display:flex;flex-direction:column;justify-content:space-between;transition:.2s}
.topic:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(16,42,43,.08)}
.topic:nth-child(1),.topic:nth-child(4){background:var(--navy);color:#fff}
.topic:nth-child(2){background:var(--mint)}
.topic:nth-child(3){background:var(--cream)}
.topic-icon{font-size:28px}
.topic strong{font-size:18px;line-height:1.2;display:block}
.topic small{font-size:12px;opacity:.72}

/* approach */
.approach{background:var(--paper)}
.approach-grid{display:grid;grid-template-columns:1fr 2fr;gap:60px}
.approach-list{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.approach-item{padding:26px 24px 26px 0;border-bottom:1px solid var(--line)}
.approach-item:nth-child(odd){border-right:1px solid var(--line);padding-right:28px}
.approach-item:nth-child(even){padding-left:28px}
.num{font-size:11px;color:#81908a;font-weight:850}
.approach-item h3{font-size:19px;margin:7px 0}
.approach-item p{font-size:14px;color:var(--muted);margin:0}

/* disclosure band */
.disclosure{background:var(--navy);color:#fff;padding:70px 0}
.disclosure-box{display:flex;justify-content:space-between;align-items:center;gap:40px}
.disclosure h2{font-size:clamp(28px,3.6vw,42px);letter-spacing:-1.6px;line-height:1.08;margin:8px 0 12px}
.disclosure p{color:#c2d0ca;max-width:680px;margin:0}
.disclosure-link{white-space:nowrap;border:1px solid #71837c;border-radius:999px;padding:12px 18px;font-weight:800;font-size:13px}
.disclosure-link:hover{background:#fff;color:var(--navy)}

/* ---------- Article pages ---------- */
.page-head{background:var(--navy);color:#fff;padding:64px 0 56px}
.crumbs{font-size:13px;color:#a9bbb4;margin-bottom:18px}
.crumbs a:hover{color:#fff;text-decoration:underline}
.page-head h1{font-size:clamp(34px,5vw,56px);line-height:1.06;letter-spacing:-2px;margin:10px 0 16px}
.page-head .lede{font-size:19px;color:#d2dfd9;max-width:680px;margin:0}
.byline{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:22px;font-size:13px;color:#a9bbb4}
.article-img{margin:-34px auto 0;position:relative;z-index:2}
.article-img img{width:100%;border-radius:22px;border:1px solid var(--line);box-shadow:0 18px 44px rgba(16,42,43,.18);aspect-ratio:7/4;object-fit:cover}
.article{padding:44px 0 30px}
.article p,.article li{font-size:18px;color:#34413c}
.article p{margin:0 0 20px}
.article h2{font-size:30px;line-height:1.2;letter-spacing:-.8px;margin:42px 0 14px}
.article h3{font-size:21px;margin:30px 0 10px}
.article ul,.article ol{padding-left:22px;margin:0 0 22px}
.article li{margin-bottom:9px}
.toc{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 24px;margin:0 0 34px}
.toc strong{font-size:13px;letter-spacing:1px;text-transform:uppercase;color:#5d6d66}
.toc ol{margin:10px 0 0;padding-left:20px}
.toc li{font-size:15px;margin-bottom:5px}
.toc a{color:var(--link)}
.toc a:hover{text-decoration:underline}
.callout{padding:20px 22px;background:var(--cream);border-left:4px solid var(--navy);border-radius:8px;margin:28px 0}
.callout p{font-size:16px;margin:0}
.callout.warn{background:#fff6e5;border-left-color:#c98a12}
.refs{border-top:1px solid var(--line);margin-top:40px;padding-top:6px}
.refs h2{font-size:22px;margin-top:26px}
.refs li{font-size:15px}
.refs a{color:var(--link);text-decoration:underline}
.related{background:#fff;border-top:1px solid var(--line);padding:56px 0}
.related h2{font-size:26px;letter-spacing:-.6px;margin:0 0 20px}
.related .cards{grid-template-columns:repeat(3,1fr);margin-top:0}
.related .card h3{font-size:19px}
.related .card p{display:none}
.related .card-body{padding:20px}

/* ---------- Policy / info pages ---------- */
.doc{padding:54px 0 70px}
.doc h1{font-size:clamp(32px,4.4vw,46px);line-height:1.1;letter-spacing:-1.6px;margin:8px 0 8px}
.doc h2{font-size:23px;margin:36px 0 10px;letter-spacing:-.3px}
.doc h3{font-size:17px;margin:22px 0 6px}
.doc p,.doc li{font-size:16.5px;color:#34413c}
.doc ul{padding-left:22px}
.doc a{color:var(--link);text-decoration:underline}
.updated{font-size:13px;color:#7a8883;margin-bottom:26px}
.table-wrap{overflow-x:auto;margin:14px 0 24px}
table{border-collapse:collapse;width:100%;font-size:15px;background:#fff}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--cream)}
.box{padding:22px;background:#fff;border:1px solid var(--line);border-radius:14px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:22px 0}

/* ---------- Footer ---------- */
.site-footer{background:#091d1e;color:#fff;padding:54px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.foot-brand p{font-size:13.5px;color:#9fb1aa;max-width:320px;margin:12px 0 0}
.foot-col h4{font-size:12px;letter-spacing:1.3px;text-transform:uppercase;color:var(--lime);margin:0 0 14px}
.foot-col a{display:block;font-size:14px;color:#c2d0ca;margin-bottom:9px}
.foot-col a:hover{color:#fff;text-decoration:underline}
.foot-legal{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:22px;font-size:12px;color:#8ea19a;line-height:1.7}
.foot-legal p{margin:0 0 8px}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .hero-grid,.about-grid,.approach-grid{grid-template-columns:1fr}
  .hero{padding-top:56px}.hero-art{min-height:340px}
  .cards{grid-template-columns:1fr}
  .related .cards{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .about-card{right:10px}
  .disclosure-box{align-items:flex-start;flex-direction:column}
  .foot-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .wrap{width:min(100% - 28px,1180px)}
  .links{display:none}.nav{height:66px}
  .hero h1{letter-spacing:-2px}
  .stamp{width:86px;height:86px;left:-6px;top:18px;font-size:10px}
  .btn.ghost{margin:10px 0 0}
  section{padding:62px 0}
  .ticker-inner{font-size:10px}.ticker-inner span:last-child{display:none}
  .principles,.approach-list{grid-template-columns:1fr}
  .approach-item:nth-child(odd){border-right:0;padding-right:0}
  .approach-item:nth-child(even){padding-left:0}
  .article p,.article li{font-size:17px}
  .foot-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}