/* ============================================================
   LONGEVITY — shared styles
   Brand: Navy ink · Teal #0B7B6B · Gold #C9A84C
   Display: Cormorant Garamond · Body: DM Sans
   ============================================================ */

:root{
  --ink:        #0A1A24;   /* deepest navy */
  --navy:       #0E1F2A;
  --navy-2:     #12303D;
  --teal:       #0B7B6B;
  --teal-soft:  #128a78;
  --gold:       #C9A84C;
  --gold-soft:  #d9bd6a;
  --paper:      #F6F4EF;   /* warm off-white */
  --paper-2:    #ECE7DC;
  --line:       rgba(201,168,76,.28);
  --line-soft:  rgba(10,26,36,.10);
  --text:       #1d2a31;
  --muted:      #5c6c73;
  --muted-light:rgba(246,244,239,.66);
  --radius:     14px;
  --maxw:       1180px;
  --shadow:     0 24px 60px -28px rgba(8,22,30,.45);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"DM Sans",system-ui,-apple-system,sans-serif;
  color:var(--text);
  background:var(--paper);
  line-height:1.62;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Cormorant Garamond",Georgia,serif;font-weight:600;line-height:1.08;margin:0;color:var(--ink)}
h1{font-size:clamp(2.6rem,6vw,4.6rem);letter-spacing:-.01em}
h2{font-size:clamp(2rem,4vw,3.1rem)}
h3{font-size:clamp(1.4rem,2.4vw,1.9rem)}
p{margin:0 0 1rem}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,40px)}
.eyebrow{
  font-family:"DM Sans",sans-serif;font-weight:600;
  text-transform:uppercase;letter-spacing:.22em;font-size:.72rem;
  color:var(--gold);margin:0 0 1rem;display:inline-flex;align-items:center;gap:.7rem;
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold);display:inline-block}
.eyebrow.center{justify-content:center}
.lede{font-size:1.18rem;color:var(--muted);max-width:60ch}
.serif-accent{font-family:"Cormorant Garamond",serif;font-style:italic;color:var(--teal)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:"DM Sans",sans-serif;font-weight:600;font-size:.95rem;
  padding:.85rem 1.6rem;border-radius:100px;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,background .2s ease,color .2s ease,border-color .2s ease;
  letter-spacing:.01em;
}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:var(--gold-soft)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-soft)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--gold);color:var(--teal)}
.btn-ghost-light{background:transparent;border-color:rgba(246,244,239,.32);color:var(--paper)}
.btn-ghost-light:hover{border-color:var(--gold);color:var(--gold)}
.btn .arr{transition:transform .2s ease}
.btn:hover .arr{transform:translateX(3px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,26,36,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(201,168,76,.18);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.6rem;color:var(--paper)}
.brand-mark{height:30px;width:auto;display:block}
.foot-logo{height:96px;width:auto;display:block;margin-bottom:1rem}
.brand b{font-family:"Cormorant Garamond",serif;font-weight:600;font-size:1.32rem;letter-spacing:.02em}
.brand span{font-size:.62rem;letter-spacing:.32em;text-transform:uppercase;color:var(--gold)}
.nav-links{display:flex;align-items:center;gap:1.7rem;list-style:none;margin:0;padding:0}
.nav-links a{
  color:var(--muted-light);font-size:.9rem;font-weight:500;letter-spacing:.01em;
  padding:.3rem 0;position:relative;transition:color .2s ease;
}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--paper)}
.nav-links a[aria-current="page"]::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:1.5px;background:var(--gold)
}
.nav-cta{margin-left:.4rem}
.menu-btn{display:none;background:none;border:0;cursor:pointer;padding:8px;color:var(--paper)}
.menu-btn span{display:block;width:24px;height:2px;background:currentColor;margin:5px 0;transition:.25s}

/* ---------- hero ---------- */
.hero{
  position:relative;color:var(--paper);overflow:hidden;
  background:
    radial-gradient(120% 90% at 80% -10%,rgba(11,123,107,.42),transparent 55%),
    radial-gradient(90% 80% at 10% 110%,rgba(201,168,76,.16),transparent 60%),
    linear-gradient(160deg,var(--navy) 0%,var(--ink) 60%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(201,168,76,.05) 1px,transparent 1px);
  background-size:100% 46px;mask:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);
}
.hero-inner{position:relative;z-index:2;padding:clamp(64px,11vw,128px) 0 clamp(56px,9vw,104px)}
.hero h1{color:var(--paper)}
.hero .lede{color:var(--muted-light)}
.hero-photo{
  position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center;opacity:.22;
  mask:linear-gradient(90deg,transparent,#000 60%);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}

/* thesis strip */
.thesis{background:var(--ink);color:var(--paper);text-align:center;padding:clamp(40px,7vw,72px) 0}
.thesis p{font-family:"Cormorant Garamond",serif;font-size:clamp(1.6rem,3.4vw,2.5rem);font-style:italic;color:var(--paper);max-width:24ch;margin:0 auto;line-height:1.25}
.thesis .hl{color:var(--gold);font-style:normal}

/* ---------- sections ---------- */
section{padding:clamp(56px,9vw,104px) 0}
.section-head{max-width:64ch;margin-bottom:3rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.bg-paper2{background:var(--paper-2)}
.bg-navy{background:linear-gradient(165deg,var(--navy),var(--ink));color:var(--paper)}
.bg-navy h2,.bg-navy h3{color:var(--paper)}
.bg-navy .lede{color:var(--muted-light)}

/* feature grid */
.grid{display:grid;gap:1.4rem}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:2rem 1.8rem;transition:transform .2s ease,box-shadow .2s ease,border-color .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line)}
.card .kicker{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);font-weight:600;margin-bottom:.6rem}
.card h3{margin-bottom:.6rem}
.card p{color:var(--muted);font-size:.98rem;margin-bottom:0}
.card-link{margin-top:1.3rem;display:inline-flex;align-items:center;gap:.5rem;color:var(--teal);font-weight:600;font-size:.92rem}
.card-link .arr{transition:transform .2s}
.card:hover .card-link .arr{transform:translateX(4px)}

/* price / panel cards */
.panel{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:2rem;display:flex;flex-direction:column;height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s;
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line)}
.panel.featured{border:1.5px solid var(--gold);position:relative}
.panel.featured::before{
  content:"Most popular";position:absolute;top:-12px;left:2rem;
  background:var(--gold);color:var(--ink);font-size:.66rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;padding:.3rem .8rem;border-radius:100px;
}
.panel h3{margin-bottom:.3rem}
.panel .sub{color:var(--muted);font-size:.95rem;margin-bottom:1.2rem}
.price{font-family:"Cormorant Garamond",serif;font-size:2.6rem;color:var(--ink);line-height:1;margin:.2rem 0 .1rem}
.price small{font-size:.85rem;font-family:"DM Sans",sans-serif;color:var(--muted);letter-spacing:.04em}
.price-from{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);font-weight:600}
.feature-list{list-style:none;padding:0;margin:1.4rem 0;display:flex;flex-direction:column;gap:.6rem}
.feature-list li{position:relative;padding-left:1.6rem;font-size:.95rem;color:var(--text)}
.feature-list li::before{
  content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:50%;
  background:var(--teal);box-shadow:0 0 0 3px rgba(11,123,107,.14)
}
.panel .btn{margin-top:auto;justify-content:center}
.ingredients{font-size:.82rem;color:var(--muted);line-height:1.55;margin-top:.4rem}
.ingredients b{color:var(--text);font-weight:600;letter-spacing:.04em}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;text-align:center}
.stat .num{font-family:"Cormorant Garamond",serif;font-size:clamp(2.4rem,5vw,3.6rem);color:var(--gold);line-height:1}
.stat .lbl{font-size:.82rem;letter-spacing:.08em;color:var(--muted-light);text-transform:uppercase;margin-top:.4rem}

/* split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.split-media{
  border-radius:var(--radius);overflow:hidden;min-height:320px;background-color:var(--navy);background-size:cover;background-position:center;
  border:1px solid var(--line);box-shadow:var(--shadow);
}

/* process steps */
.steps{counter-reset:step;display:grid;gap:1.2rem}
.step{display:grid;grid-template-columns:auto 1fr;gap:1.3rem;align-items:start;padding:1.4rem 0;border-top:1px solid var(--line)}
.step:first-child{border-top:0}
.step .n{
  counter-increment:step;font-family:"Cormorant Garamond",serif;font-size:1.6rem;color:var(--gold);
  width:54px;height:54px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center
}
.step .n::before{content:counter(step,decimal-leading-zero)}
.step h4{font-size:1.25rem;margin-bottom:.3rem}
.step p{color:var(--muted);margin:0;font-size:.96rem}

/* calculator */
.calc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.6rem,3vw,2.4rem);box-shadow:var(--shadow)}
.calc-row{margin-bottom:1.6rem}
.calc-label{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);font-weight:600;margin-bottom:.7rem}
.seg{display:flex;gap:.4rem;flex-wrap:wrap}
.seg button{
  flex:1;min-width:fit-content;border:1px solid var(--line-soft);background:var(--paper);
  padding:.65rem .9rem;border-radius:10px;cursor:pointer;font-family:inherit;font-size:.9rem;
  font-weight:500;color:var(--muted);transition:.15s
}
.seg button.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.calc input[type=range]{width:100%;accent-color:var(--teal)}
.age-val{font-family:"Cormorant Garamond",serif;font-size:2rem;color:var(--ink)}
.calc-out{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:.5rem;padding-top:1.6rem;border-top:1px solid var(--line)}
.out-cell .ov{font-family:"Cormorant Garamond",serif;font-size:2.1rem;color:var(--teal);line-height:1}
.out-cell .ov.gold{color:var(--gold)}
.out-cell .ol{font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:.25rem}
.calc-note{font-size:.76rem;color:var(--muted);margin-top:1.4rem;line-height:1.5}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.contact-card{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);padding:2rem}
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:.4rem}
.field input,.field textarea,.field select{
  width:100%;padding:.8rem 1rem;border:1px solid var(--line-soft);border-radius:10px;
  font-family:inherit;font-size:1rem;background:var(--paper);color:var(--text)
}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:transparent}
.contact-line{display:flex;gap:.9rem;align-items:flex-start;padding:1rem 0;border-bottom:1px solid var(--line-soft)}
.contact-line .ico{color:var(--gold);font-size:1.1rem;width:24px;text-align:center;flex-shrink:0}
.contact-line b{display:block;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* CTA band */
.cta-band{background:var(--ink);color:var(--paper);text-align:center;border-top:1px solid rgba(201,168,76,.2)}
.cta-band h2{color:var(--paper)}
.cta-band .lede{color:var(--muted-light);margin:0 auto 2rem}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--muted-light);padding:clamp(48px,7vw,72px) 0 2rem;border-top:1px solid rgba(201,168,76,.16)}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2.5rem;margin-bottom:3rem}
.foot-brand b{font-family:"Cormorant Garamond",serif;font-size:1.5rem;color:var(--paper);display:block;margin-bottom:.6rem}
.foot-col h4{color:var(--paper);font-family:"DM Sans",sans-serif;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:1rem;font-weight:600}
.foot-col a{display:block;color:var(--muted-light);font-size:.92rem;padding:.3rem 0;transition:color .2s}
.foot-col a:hover{color:var(--gold)}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;padding-top:1.6rem;border-top:1px solid rgba(246,244,239,.12);font-size:.82rem}
.foot-bottom a{color:var(--muted-light)}
.foot-bottom a:hover{color:var(--gold)}

/* disclaimer */
.disclaimer{background:var(--paper-2);font-size:.82rem;color:var(--muted);padding:1.6rem 0;text-align:center}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr;gap:2rem}
  .split,.contact-grid{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  body{font-size:16px}
  .nav-links{
    position:fixed;inset:72px 0 auto 0;background:var(--ink);flex-direction:column;
    align-items:flex-start;gap:0;padding:1rem clamp(20px,5vw,40px) 1.6rem;
    border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .3s ease;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:.85rem 0;font-size:1rem;width:100%;border-bottom:1px solid rgba(246,244,239,.08)}
  .nav-links .nav-cta{padding-top:1rem}
  .menu-btn{display:block}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .calc-out{grid-template-columns:1fr 1fr}
  .foot-top{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}

/* ---------- action / promo bar ---------- */
.action-bar{
  background:linear-gradient(90deg,var(--teal),var(--teal-soft));
  color:#fff;text-align:center;padding:.85rem 1rem;font-size:.95rem;
  display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap
}
.action-bar b{font-weight:700}
.action-bar .strike{text-decoration:line-through;opacity:.7;font-weight:400}
.action-bar .pill{background:var(--gold);color:var(--ink);font-weight:700;font-size:.78rem;
  letter-spacing:.06em;text-transform:uppercase;padding:.25rem .7rem;border-radius:100px}
.action-bar a{color:#fff;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.action-card{
  background:linear-gradient(165deg,var(--navy),var(--ink));color:var(--paper);
  border:1.5px solid var(--gold);border-radius:var(--radius);padding:clamp(1.6rem,3vw,2.4rem);
  box-shadow:var(--shadow);text-align:center
}
.action-card h3{color:var(--paper);margin-bottom:.4rem}
.action-card .big{font-family:"Cormorant Garamond",serif;font-size:clamp(2.4rem,5vw,3.4rem);color:var(--gold);line-height:1}
.action-card .strike{text-decoration:line-through;opacity:.55;font-size:1.4rem;font-family:"Cormorant Garamond",serif}
.action-card .actions{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-top:1.6rem}

/* ============================================================
   VO₂ MAX — flagship deep page components
   ============================================================ */
.kpi-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:2.4rem}
.kpi{background:var(--ink);color:var(--paper);padding:1.5rem 1rem;text-align:center}
.kpi .v{font-family:"Cormorant Garamond",serif;font-size:2.1rem;color:var(--gold);line-height:1}
.kpi .l{font-size:.72rem;letter-spacing:.05em;color:var(--muted-light);margin-top:.35rem;text-transform:uppercase}

.compare{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;align-items:stretch}
.cc{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);padding:1.9rem;text-align:center;display:flex;flex-direction:column;justify-content:center}
.cc.win{border:1.5px solid var(--teal);box-shadow:var(--shadow)}
.cc .lab{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600}
.cc .v{font-family:"Cormorant Garamond",serif;font-size:3.2rem;color:var(--ink);line-height:1;margin:.4rem 0 .1rem}
.cc.win .v{color:var(--teal)}
.cc .u{font-size:.85rem;color:var(--muted)}
.cc .tag{display:inline-block;margin-top:.7rem;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--teal)}

.vtable{width:100%;border-collapse:collapse;font-size:.85rem;background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden}
.vtable th,.vtable td{padding:.7rem .85rem;text-align:left;border-bottom:1px solid var(--line-soft);white-space:nowrap}
.vtable thead th{background:var(--ink);color:var(--paper);font-weight:600;font-size:.72rem;letter-spacing:.05em;text-transform:uppercase}
.vtable tbody tr:last-child td{border-bottom:0}
.vtable .z{font-weight:700;color:var(--teal)}
.tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius)}

.video-card{display:block;border-radius:var(--radius);overflow:hidden;position:relative;border:1px solid var(--line-soft);background:#000}
.video-card img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.8;transition:.25s}
.video-card:hover img{opacity:1;transform:scale(1.03)}
.video-card .play{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.video-card .play b{width:54px;height:54px;border-radius:50%;background:rgba(201,168,76,.94);color:var(--ink);display:grid;place-items:center;font-size:1.1rem;padding-left:3px}
.video-card .vt{position:absolute;left:0;right:0;bottom:0;padding:.9rem 1rem;background:linear-gradient(transparent,rgba(10,26,36,.92));color:#fff;font-weight:600;font-size:.92rem}

.zonebar{display:flex;height:48px;border-radius:100px;overflow:hidden;border:1px solid var(--line);margin-top:1rem}
.zonebar .seg{display:grid;place-items:center;color:#fff;font-size:.78rem;font-weight:700;letter-spacing:.02em}
.seg-z2{background:var(--teal)} .seg-z3{background:var(--gold);color:var(--ink)} .seg-z45{background:#3D4F5C}

.costline{font-size:.82rem;color:var(--muted);margin-top:.6rem}
.costline b{color:var(--text)}
.quote{font-family:"Cormorant Garamond",serif;font-style:italic;font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.3;color:var(--ink);max-width:30ch}
.quote.light{color:var(--paper)}
.cite{font-size:.82rem;color:var(--muted);margin-top:.8rem;letter-spacing:.02em}
.bg-navy .cite{color:var(--muted-light)}

/* calculator bars */
.calc-bars{margin-top:1.5rem;display:flex;flex-direction:column;gap:.55rem}
.cbar{display:grid;grid-template-columns:120px 1fr 44px;align-items:center;gap:.6rem;font-size:.78rem;color:var(--muted)}
.cbar .track{height:14px;background:var(--paper-2);border-radius:100px;overflow:hidden}
.cbar .fill{height:100%;border-radius:100px;background:var(--line);transition:width .3s ease}
.cbar.now .fill{background:var(--teal)} .cbar.goal .fill{background:var(--gold)}
.cbar .vv{text-align:right;font-weight:600;color:var(--text)}

@media(max-width:780px){
  .kpi-strip{grid-template-columns:1fr 1fr}
  .compare{grid-template-columns:1fr}
  .cbar{grid-template-columns:96px 1fr 40px}
}

/* ============================================================
   LANDING — "pathway" hero (beige panel, glowing gold timeline)
   ============================================================ */
.lp-hero{background:var(--ink);padding:clamp(16px,2.6vw,30px) 0 clamp(18px,3vw,34px)}
.lp-panel{
  background:radial-gradient(130% 150% at 50% -25%, #F4EEE1 0%, #EAE2D1 52%, #E2D9C6 100%);
  border:1px solid rgba(201,168,76,.35);border-radius:20px;
  padding:clamp(2.4rem,5vw,4rem) clamp(1.5rem,4vw,3.6rem) clamp(2.2rem,4vw,3rem);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.55),0 34px 90px -44px rgba(0,0,0,.65);
  position:relative;overflow:hidden
}
.lp-eyebrow{display:block;font-size:.7rem;letter-spacing:.26em;text-transform:uppercase;color:#A8997F;font-weight:600;margin-bottom:clamp(1.8rem,4vw,2.8rem)}
.lp-timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:.8rem;padding-top:8px;margin-bottom:clamp(2.4rem,5vw,3.4rem)}
.lp-line{position:absolute;top:8px;left:10%;right:8%;height:2px;border-radius:3px;
  background:linear-gradient(90deg,var(--gold-soft),var(--gold));
  box-shadow:0 0 12px rgba(201,168,76,.7),0 0 30px rgba(201,168,76,.4)}
.lp-node{display:flex;flex-direction:column;align-items:center;text-align:center;text-decoration:none;color:inherit;position:relative;cursor:pointer}
.lp-stem{width:1.5px;height:clamp(58px,9vw,92px);background:linear-gradient(180deg,var(--gold),rgba(201,168,76,.22));transition:background .2s}
.lp-dot{width:10px;height:10px;border-radius:50%;background:var(--gold);margin-top:-3px;
  box-shadow:0 0 0 4px rgba(201,168,76,.16),0 0 12px rgba(201,168,76,.85);transition:transform .2s,box-shadow .2s}
.lp-num{font-family:"Cormorant Garamond",serif;font-size:1.1rem;color:#B5A074;margin-top:1rem;letter-spacing:.05em}
.lp-title{font-family:"DM Sans",sans-serif;font-weight:700;font-size:clamp(.92rem,1.4vw,1.12rem);letter-spacing:.14em;text-transform:uppercase;color:#3A3530;margin-top:.35rem;transition:color .2s}
.lp-sub{font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:#9A8E7C;margin-top:.55rem;line-height:1.8;max-width:20ch}
.lp-node:hover .lp-dot,.lp-node:focus-visible .lp-dot{transform:scale(1.55);box-shadow:0 0 0 5px rgba(201,168,76,.22),0 0 20px rgba(201,168,76,1)}
.lp-node:hover .lp-stem{background:linear-gradient(180deg,var(--gold),var(--gold-soft))}
.lp-node:hover .lp-title{color:var(--teal)}
.lp-node:focus-visible{outline:none}
.lp-node:focus-visible .lp-title{color:var(--teal)}
.lp-foot{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:1.6rem}
.lp-tagline h1{font-family:"Cormorant Garamond",serif;font-style:italic;font-weight:500;font-size:clamp(1.9rem,4.4vw,3rem);color:#3A3530;line-height:1.12;letter-spacing:0;margin:0}
.lp-tagline p{font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:#9A8E7C;margin:.8rem 0 0}
.lp-cta{display:flex;gap:.8rem;flex-wrap:wrap}
.lp-cta .btn-gold{background:#3A3530;color:#F4EEE1}
.lp-cta .btn-gold:hover{background:var(--ink)}
.lp-cta .btn-ghost{border-color:rgba(58,53,48,.3);color:#3A3530}
.lp-cta .btn-ghost:hover{border-color:var(--teal);color:var(--teal)}

@media(max-width:760px){
  .lp-timeline{grid-template-columns:1fr;gap:0;padding-top:0;margin-bottom:2.2rem}
  .lp-line{display:none}
  .lp-node{padding:.5rem 0}
  .lp-stem{height:26px}
  .lp-node:first-child .lp-stem{height:8px}
  .lp-num{margin-top:.7rem}
  .lp-sub{max-width:none}
  .lp-foot{flex-direction:column;align-items:flex-start}
}

/* ---------- pathway condition switcher ---------- */
.lp-cond-label{font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:#A8997F;font-weight:600;margin:0 0 .8rem}
.lp-conditions{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:clamp(2rem,4vw,3rem)}
.lp-cond{border:1px solid rgba(58,53,48,.22);background:transparent;color:#6B5F55;
  padding:.5rem 1.1rem;border-radius:100px;font-family:"DM Sans",sans-serif;font-weight:600;
  font-size:.82rem;letter-spacing:.03em;cursor:pointer;transition:.18s;white-space:nowrap}
.lp-cond:hover{border-color:var(--gold);color:#3A3530}
.lp-cond.active{background:#3A3530;color:#F4EEE1;border-color:#3A3530}
.lp-sub{transition:opacity .25s ease}
.lp-sub.fading{opacity:0}
.lp-note{font-size:.7rem;color:#9A8E7C;margin:.4rem 0 0;max-width:60ch}
@media(max-width:760px){
  .lp-conditions{margin-bottom:1.4rem}
  .lp-cond{font-size:.78rem;padding:.45rem .9rem}
}

/* ---------- pathway: group tabs (two-level) ---------- */
.lp-groups{display:flex;flex-wrap:wrap;gap:.3rem 1.4rem;margin-bottom:1rem;border-bottom:1px solid rgba(58,53,48,.14);padding-bottom:.1rem}
.lp-group{background:none;border:0;padding:.45rem 0;font-family:"DM Sans",sans-serif;font-weight:600;font-size:.85rem;letter-spacing:.04em;color:#9A8E7C;cursor:pointer;position:relative;transition:color .18s}
.lp-group:hover{color:#3A3530}
.lp-group.active{color:#3A3530}
.lp-group.active::after{content:"";position:absolute;left:0;right:0;bottom:-.15rem;height:2px;background:var(--gold)}
@media(max-width:760px){.lp-groups{gap:.2rem 1rem}.lp-group{font-size:.8rem}}

/* ---------- pathway: symptom search ---------- */
.lp-search-wrap{margin-bottom:clamp(1.6rem,3vw,2.2rem)}
.lp-search-q{font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:#A8997F;font-weight:600;margin:0 0 .7rem}
.lp-search{display:flex;gap:.5rem;flex-wrap:wrap;max-width:600px}
.lp-search input{flex:1;min-width:200px;padding:.85rem 1.2rem;border:1px solid rgba(58,53,48,.25);border-radius:100px;background:rgba(255,255,255,.6);font-family:"DM Sans",sans-serif;font-weight:500;font-size:.95rem;color:#3A3530}
.lp-search input::placeholder{color:#A8997F}
.lp-search input:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:transparent;background:#fff}
.lp-search button{border:0;border-radius:100px;background:#3A3530;color:#F4EEE1;font-family:"DM Sans",sans-serif;font-weight:600;font-size:.9rem;padding:.85rem 1.5rem;cursor:pointer;transition:background .18s}
.lp-search button:hover{background:var(--ink)}
.lp-search-hint{font-size:.82rem;color:#6B5F55;margin:.8rem 0 0;min-height:1.1em;transition:opacity .2s}
.lp-search-hint b{color:var(--teal)}