/* ============================================================
   Longevity Health Sciences — shared stylesheet
   Brand: Blood · Logic · Care
   ============================================================ */
:root{
  --primary:#0E7490; --primary-dk:#0b5e75;
  --secondary:#14B8A6; --accent:#F59E0B;
  --bg-dark:#082F49; --bg-darker:#061f30;
  --bg-light:#F7FBFC; --bg-alt:#eef6f8;
  --text-light:#FFFFFF; --text-dark:#1E293B; --text-muted:#64748B;
  --card:#FFFFFF; --line:rgba(14,116,144,.14);
  --shadow:0 10px 30px rgba(8,47,73,.08);
  --shadow-lg:0 18px 44px rgba(8,47,73,.14);
  --nav-h:74px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:"Aptos","Segoe UI",system-ui,-apple-system,sans-serif;color:var(--text-dark);background:var(--bg-light);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:"Aptos Display","Segoe UI",system-ui,sans-serif;line-height:1.15;font-weight:700;color:var(--text-dark)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--primary);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0}

/* Section labels with animated rule */
.label{display:flex;align-items:center;gap:12px;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);margin-bottom:14px}
.label::before{content:"";width:26px;height:2px;background:var(--accent);transform-origin:left;transition:width .6s var(--ease)}
.reveal.in .label::before,.label.in::before{width:26px}
.eyebrow{font-size:.74rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--secondary)}
.underline{display:inline-block;border-bottom:3px solid var(--accent);padding-bottom:4px}

/* ---------- SCROLL PROGRESS ---------- */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--secondary),var(--accent));z-index:120;transition:width .1s linear}

/* ---------- NAV ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(247,251,252,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:height .3s var(--ease),box-shadow .3s,background .3s}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);transition:height .3s var(--ease)}
.nav.scrolled{box-shadow:0 6px 20px rgba(8,47,73,.07)}
.nav.scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-family:"Aptos Display",sans-serif;color:var(--primary);font-size:1.05rem}
.brand img{height:48px;width:auto;display:block;transition:height .3s var(--ease)}
.nav.scrolled .brand img{height:40px}
@media(max-width:560px){.brand img{height:42px}}
.brand .dot{width:11px;height:11px;border-radius:50%;background:var(--secondary);box-shadow:0 0 0 4px rgba(20,184,166,.18);animation:pulse 3s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(20,184,166,.18)}50%{box-shadow:0 0 0 7px rgba(20,184,166,.05)}}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links>a,.drop-toggle{position:relative;font-size:.93rem;font-weight:600;color:var(--text-muted);transition:color .2s;padding:6px 0}
.nav-links>a::after,.drop-toggle::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--secondary);transition:width .3s var(--ease)}
.nav-links>a:hover,.drop-toggle:hover{color:var(--primary)}
.nav-links>a:hover::after,.drop-toggle:hover::after,.nav-links>a.active::after{width:100%}
.nav-links>a.active{color:var(--primary)}
.nav-links a.cta{background:var(--primary);color:#fff;padding:10px 20px;border-radius:8px;transition:background .2s,transform .15s,box-shadow .2s}
.nav-links a.cta::after{display:none}
.nav-links a.cta:hover{background:var(--primary-dk);transform:translateY(-2px);box-shadow:0 8px 18px rgba(14,116,144,.3)}
.menu-btn{display:none;background:none;border:0;font-size:1.7rem;color:var(--primary);cursor:pointer;line-height:1}

/* Dropdown */
.has-dropdown{position:relative}
.caret{font-size:.7em;transition:transform .25s}
.has-dropdown:hover .caret{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:50%;transform:translate(-50%,10px);min-width:200px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;transition:opacity .25s,transform .25s var(--ease);display:grid;gap:2px}
.has-dropdown:hover .dropdown,.has-dropdown:focus-within .dropdown{opacity:1;visibility:visible;transform:translate(-50%,8px)}
.dropdown a{padding:10px 14px;border-radius:8px;font-size:.9rem;font-weight:600;color:var(--text-dark);border-left:3px solid transparent;transition:.2s}
.dropdown a:hover{background:var(--bg-alt);color:var(--primary);border-left-color:var(--secondary)}

/* ---------- HERO (home) ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:linear-gradient(135deg,#082F49 0%,#0E7490 58%,#0d6b84 100%);background-size:160% 160%;animation:heroGrad 18s ease infinite}
@keyframes heroGrad{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.hero-motif{position:absolute;inset:0;z-index:1;pointer-events:none}
.hero-motif svg{width:100%;height:100%}
.hero-glow{position:absolute;inset:0;z-index:0;background:radial-gradient(circle at 80% 18%,rgba(20,184,166,.30),transparent 46%),radial-gradient(circle at 12% 92%,rgba(245,158,11,.13),transparent 42%)}
.hero .wrap{position:relative;z-index:3;padding:104px 28px 112px}
.hero .eyebrow{color:#7fe3d4}
.hero h1{color:#fff;font-size:clamp(2.6rem,6vw,4.6rem);margin:18px 0 22px;letter-spacing:-.01em}
.hero h1 .u{position:relative;white-space:nowrap}
.hero h1 .u::after{content:"";position:absolute;left:0;bottom:.07em;width:100%;height:.09em;background:var(--accent);transform:scaleX(0);transform-origin:left;animation:growLine 1s var(--ease) .7s forwards}
@keyframes growLine{to{transform:scaleX(1)}}
.hero p.lead{font-size:clamp(1.05rem,2vw,1.35rem);max-width:680px;color:#e3f2f5;font-weight:400}
.hero .btns{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
/* hero entrance */
.hero-animate{opacity:0;transform:translateY(26px);animation:fadeUp .9s var(--ease) forwards}
.hero-animate.d1{animation-delay:.1s}.hero-animate.d2{animation-delay:.25s}.hero-animate.d3{animation-delay:.4s}.hero-animate.d4{animation-delay:.55s}
@keyframes fadeUp{to{opacity:1;transform:none}}

/* Animated motif nodes */
.node{transform-box:fill-box;transform-origin:center;animation:floatNode 6s ease-in-out infinite}
.node:nth-child(2){animation-delay:-1s}.node:nth-child(3){animation-delay:-2s}.node:nth-child(4){animation-delay:-3s}.node:nth-child(5){animation-delay:-4s}.node:nth-child(6){animation-delay:-2.5s}
@keyframes floatNode{0%,100%{transform:translateY(0);opacity:.55}50%{transform:translateY(-10px);opacity:.95}}
.link-line{stroke-dasharray:6 8;animation:dash 14s linear infinite}
@keyframes dash{to{stroke-dashoffset:-200}}

/* ---------- BUTTONS ---------- */
.btn{position:relative;display:inline-flex;align-items:center;gap:9px;padding:14px 26px;border-radius:9px;font-weight:600;font-size:.98rem;overflow:hidden;transition:transform .15s,background .2s,box-shadow .2s,color .2s;cursor:pointer;border:0}
.btn:hover{transform:translateY(-2px)}
.btn-amber{background:var(--accent);color:#3a2700;box-shadow:0 8px 22px rgba(245,158,11,.32)}
.btn-amber:hover{background:#ffb733}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 22px rgba(14,116,144,.28)}
.btn-primary:hover{background:var(--primary-dk)}
.btn .arr{width:15px;transition:transform .2s}
.btn:hover .arr{transform:translateX(3px) rotate(45deg)}

/* ---------- SECTIONS ---------- */
main{display:block}
section{padding:84px 0}
.alt{background:var(--bg-alt)}
.section-head{max-width:730px;margin-bottom:48px}
.section-head h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin-bottom:16px}
.section-head p{color:var(--text-muted);font-size:1.1rem}

/* Inner-page hero */
.page-hero{position:relative;color:#fff;background:linear-gradient(125deg,#082F49,#0E7490);overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 20%,rgba(20,184,166,.26),transparent 48%);pointer-events:none}
.page-hero .wrap{position:relative;z-index:2;padding:84px 28px 72px}
.page-hero .eyebrow{color:#7fe3d4}
.page-hero h1{color:#fff;font-size:clamp(2.1rem,4.5vw,3.4rem);margin:16px 0 16px}
.page-hero p{color:#dceef2;font-size:1.15rem;max-width:680px}
.crumb{font-size:.82rem;color:#a9cdd7;margin-bottom:6px}
.crumb a:hover{color:#fff}

.prose{max-width:820px}
.prose p{font-size:1.12rem;color:var(--text-dark);margin-bottom:18px}
.prose p.muted{color:var(--text-muted)}
.lead-xl{font-size:1.25rem;color:var(--text-dark);max-width:860px}

/* ---------- CARDS / GRIDS ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:var(--card);border-radius:14px;border-left:4px solid var(--secondary);box-shadow:var(--shadow);padding:28px 24px;transition:transform .22s var(--ease),box-shadow .22s,border-color .22s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-left-color:var(--accent)}
.card .ico{width:46px;height:46px;margin-bottom:16px;transition:transform .3s var(--ease)}
.card:hover .ico{transform:scale(1.08) rotate(-3deg)}
.card h3{font-size:1.25rem;margin-bottom:4px;color:var(--primary)}
.card .role{font-style:italic;color:var(--accent);font-size:.9rem;font-weight:600;margin-bottom:10px}
.card p{color:var(--text-muted);font-size:.96rem}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;color:var(--primary);font-weight:600;font-size:.9rem}
.card-link .arr{width:13px;transition:transform .2s}
.card:hover .card-link .arr{transform:translateX(4px) rotate(45deg)}

/* ---------- MISSION STRIP ---------- */
.mission{background:linear-gradient(120deg,#0E7490,#082F49);color:#fff;text-align:center}
.mission .wrap{max-width:880px}
.mission h2{color:#fff;font-size:clamp(1.6rem,3.2vw,2.3rem);margin-bottom:18px}
.mission p{color:#cfeaf0;font-size:1.15rem}

/* ---------- METRICS ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.metric .num{font-family:"Aptos Display",sans-serif;font-size:2.7rem;font-weight:700;color:var(--primary)}
.metric .num span{color:var(--accent)}
.metric .cap{color:var(--text-muted);font-size:.92rem;margin-top:4px}

/* ---------- SUBSIDIARY DETAIL ROWS ---------- */
.sub{display:grid;grid-template-columns:1fr 1.4fr;gap:48px;align-items:center;padding:46px 0;border-bottom:1px solid var(--line)}
.sub:last-child{border-bottom:0}
.sub.rev .media{order:2}
.sub .media{background:var(--bg-light);border-radius:16px;padding:46px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);min-height:200px;transition:transform .3s var(--ease)}
.sub .media:hover{transform:translateY(-4px)}
.sub .media img{max-width:230px;max-height:90px;width:auto}
.sub h3{font-size:1.7rem;color:var(--primary);margin-bottom:6px}
.sub .tag{font-style:italic;color:var(--accent);font-weight:600;margin-bottom:16px}
.sub p{color:var(--text-muted);margin-bottom:16px}
ul.ticks{list-style:none;display:grid;gap:9px}
ul.ticks li{position:relative;padding-left:28px;color:var(--text-dark);font-size:.96rem}
ul.ticks li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;-webkit-mask:url('../../icons/check_white.png') center/contain no-repeat;mask:url('../../icons/check_white.png') center/contain no-repeat;background:var(--secondary)}

/* ---------- STEPS ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.step{background:var(--card);border-radius:14px;box-shadow:var(--shadow);padding:26px 20px;text-align:center;position:relative;transition:transform .22s var(--ease),box-shadow .22s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.step .ico{width:40px;height:40px;margin:0 auto 14px}
.step .n{position:absolute;top:14px;right:16px;font-family:"Aptos Display";font-weight:700;color:var(--line);font-size:1.4rem}
.step h4{color:var(--primary);font-size:1.05rem;margin-bottom:6px}
.step .who{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--secondary);margin-bottom:8px}
.step p{color:var(--text-muted);font-size:.86rem}
.pull{margin-top:34px;background:#fff;border-left:4px solid var(--accent);border-radius:12px;padding:24px 28px;box-shadow:var(--shadow);font-size:1.08rem}
.pull b{color:var(--primary)}

/* ---------- LEADERSHIP ---------- */
.people{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.person{background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:26px;border-top:3px solid var(--secondary);transition:transform .22s var(--ease),box-shadow .22s}
.person:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.person h3{color:var(--primary);font-size:1.2rem}
.person .pr{color:var(--accent);font-weight:600;font-size:.9rem;margin:2px 0 10px}
.person p{color:var(--text-muted);font-size:.95rem}

/* ---------- VALUES ---------- */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.value{background:#fff;border-radius:12px;padding:24px;box-shadow:var(--shadow);text-align:center;transition:transform .2s var(--ease)}
.value:hover{transform:translateY(-5px)}
.value .ico{width:38px;height:38px;margin:0 auto 12px}
.value h4{color:var(--primary);margin-bottom:6px}
.value p{color:var(--text-muted);font-size:.9rem}

/* ---------- NEWS ---------- */
.article-card{background:#fff;border-radius:14px;box-shadow:var(--shadow);overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.article-card .bar{height:6px;background:linear-gradient(90deg,var(--secondary),var(--accent))}
.article-card .body{padding:24px}
.article-card .eyebrow{color:var(--accent)}
.article-card h3{font-size:1.12rem;margin:8px 0}
.article-card time{color:var(--text-muted);font-size:.82rem}
.article-card p{color:var(--text-muted);font-size:.94rem;margin-top:8px}

/* ---------- CONTACT ---------- */
.contact{background:var(--bg-dark);color:#fff}
.contact h2{color:#fff}
.contact .section-head p{color:#b8d4dd}
.cgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cbox{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:22px;transition:transform .2s var(--ease),background .2s}
.cbox:hover{transform:translateY(-4px);background:rgba(255,255,255,.09)}
.cbox h4{color:#fff;font-size:1.02rem;margin-bottom:6px}
.cbox p{color:#9fc2cd;font-size:.86rem;margin-bottom:10px}
.cbox a{color:var(--secondary);font-size:.9rem;font-weight:600;word-break:break-all}
.form{display:grid;gap:16px;max-width:680px;margin-top:10px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:block;font-size:.82rem;font-weight:600;color:#cfe3ea;margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border-radius:9px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font:inherit;font-size:.95rem;transition:border .2s,box-shadow .2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--secondary);box-shadow:0 0 0 3px rgba(20,184,166,.22)}
.form textarea{min-height:130px;resize:vertical}
.form option{color:#0b2230}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--secondary),var(--primary));color:#fff;text-align:center}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:#eafaf7;margin-bottom:26px;font-size:1.1rem}

/* ---------- FOOTER ---------- */
footer.site{background:var(--bg-darker);color:#8fb2bd;padding:46px 0 30px;border-top:1px solid rgba(255,255,255,.08)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot-logo{height:30px;opacity:.92}
.foot-nav{display:flex;gap:22px;flex-wrap:wrap}
.foot-nav a{font-size:.9rem;color:#a7c6d0;transition:color .2s}
.foot-nav a:hover{color:var(--secondary)}
.foot-subs{margin-top:22px;font-size:.84rem;letter-spacing:.04em;color:#7ea2ad}
.foot-legal{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);font-size:.78rem;color:#5e8290;line-height:1.7}

/* Back to top */
.to-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;border:0;background:var(--primary);color:#fff;font-size:1.3rem;cursor:pointer;box-shadow:0 8px 20px rgba(8,47,73,.25);opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s var(--ease);z-index:90}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--primary-dk);transform:translateY(-3px)}

/* ---------- SCROLL REVEAL ---------- */
/* Hidden state only applies when JS is active (.js on <html>) so no-JS users still see content */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal.from-left{transform:translateX(-34px)}
.js .reveal.from-right{transform:translateX(34px)}
.js .reveal.from-left.in,.js .reveal.from-right.in{transform:none}
.js .stagger>*{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s var(--ease)}
.js .stagger.in>*{opacity:1;transform:none}
.stagger.in>*:nth-child(1){transition-delay:.05s}
.stagger.in>*:nth-child(2){transition-delay:.13s}
.stagger.in>*:nth-child(3){transition-delay:.21s}
.stagger.in>*:nth-child(4){transition-delay:.29s}
.stagger.in>*:nth-child(5){transition-delay:.37s}
.stagger.in>*:nth-child(6){transition-delay:.45s}
.stagger.in>*:nth-child(7){transition-delay:.53s}
.stagger.in>*:nth-child(8){transition-delay:.61s}

/* ---------- RESPONSIVE ---------- */
@media(max-width:960px){
  .grid-4,.values{grid-template-columns:repeat(2,1fr)}
  .steps,.metrics,.cgrid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.people{grid-template-columns:1fr}
  .sub{grid-template-columns:1fr;gap:26px}
  .sub.rev .media{order:0}
  .menu-btn{display:block}
  .nav-links{position:fixed;inset:var(--nav-h) 0 auto 0;flex-direction:column;align-items:stretch;gap:4px;background:#fff;padding:18px 24px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);transform:translateY(-130%);transition:transform .35s var(--ease);max-height:calc(100vh - var(--nav-h));overflow:auto}
  .nav-links.open{transform:translateY(0)}
  .nav-links>a,.drop-toggle{padding:12px 4px;border-bottom:1px solid var(--line)}
  .nav-links>a::after,.drop-toggle::after{display:none}
  .nav-links a.cta{text-align:center;margin-top:8px;border-bottom:0}
  .has-dropdown{display:flex;flex-direction:column}
  .dropdown{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;padding:4px 0 8px 14px;max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
  .has-dropdown.open .dropdown{max-height:280px}
  .form .row{grid-template-columns:1fr}
}
@media(max-width:560px){
  .grid-4,.values,.steps,.metrics,.cgrid{grid-template-columns:1fr}
  section{padding:60px 0}
}

/* ---------- REDUCED MOTION ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal,.stagger>*{opacity:1!important;transform:none!important}
  .hero-animate{opacity:1!important;transform:none!important}
}