/* Nervelin | nerveliiin.com | custom layer on Bootstrap 5 */
:root{
  --nv-ink:#1C1640;
  --nv-violet:#2B1F73;
  --nv-violet-2:#43339A;
  --nv-lav:#9E8DBE;
  --nv-lav-lt:#DDD6EE;
  --nv-mint:#ECF3ED;
  --nv-mint-2:#DCE9DF;
  --nv-coral:#FF8A6B;
  --nv-coral-dk:#D9603F;
  --nv-text:#27213F;
  --nv-muted:#5E587A;
  --nv-line:#D6D2E2;
  --nv-display:"Young Serif",Georgia,"Times New Roman",serif;
  --nv-body:"Karla",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--nv-body);color:var(--nv-text);background:#fff;font-size:1.0625rem;line-height:1.72}
img{max-width:100%;height:auto}
a{color:var(--nv-violet-2)}
a:hover{color:var(--nv-violet)}
:focus-visible{outline:3px solid var(--nv-coral);outline-offset:3px}
h1,h2,h3{font-family:var(--nv-display);font-weight:400;line-height:1.14;color:var(--nv-ink)}
h2{font-size:clamp(1.9rem,3.8vw,2.7rem);margin-bottom:.9rem}
h3{font-size:1.35rem;margin-bottom:.4rem}
.lead-p{font-size:1.14rem;color:var(--nv-muted);max-width:64ch}
.measure{max-width:70ch}
.nv-sec{padding:84px 0}
.nv-sec--mint{background:var(--nv-mint)}
.nv-sec--violet{background:var(--nv-violet);color:#E9E4F8}
.nv-sec--violet h2,.nv-sec--violet h3{color:#fff}
.nv-sec--violet .lead-p{color:#CFC6EC}
.nv-sec--ink{background:var(--nv-ink);color:#E4DFF4}
.nv-sec--ink h2,.nv-sec--ink h3{color:#fff}
.nv-sec--ink .lead-p{color:#C4BCDF}

/* strip + nav */
.nv-strip{background:var(--nv-ink);color:#E4DFF4;font-size:.9rem;text-align:center;padding:.45rem 1rem}
.nv-strip strong{color:var(--nv-coral)}
.nv-nav{background:#fff;border-bottom:1px solid var(--nv-line);box-shadow:0 2px 0 var(--nv-mint-2)}
.nv-nav .navbar-brand{font-family:var(--nv-display);font-size:1.6rem;color:var(--nv-ink)}
.nv-nav .navbar-brand img{width:34px;height:34px;border-radius:8px;margin-right:.55rem}
.nv-nav .nav-link{color:var(--nv-text);font-weight:600;font-size:.98rem}
.nv-nav .nav-link:hover,.nv-nav .nav-link:focus{color:var(--nv-violet-2)}

/* buttons */
.btn-nv{display:inline-block;background:var(--nv-coral);color:var(--nv-ink);font-weight:700;border:0;border-radius:40px;padding:.85rem 1.7rem;font-size:1.04rem;text-decoration:none;transition:background .15s ease,transform .15s ease}
.btn-nv:hover,.btn-nv:focus{background:#FF9E84;color:var(--nv-ink);transform:translateY(-1px)}
.btn-nv--line{background:transparent;color:var(--nv-violet);box-shadow:inset 0 0 0 2px var(--nv-violet)}
.btn-nv--line:hover,.btn-nv--line:focus{background:var(--nv-violet);color:#fff}
.btn-nv--lg{padding:1.05rem 2.1rem;font-size:1.12rem}

/* hero */
.nv-hero{background:linear-gradient(180deg,var(--nv-mint) 0%,#F7FAF7 100%);padding:48px 0 72px;overflow:hidden}
.nv-hero h1{font-size:clamp(2.3rem,5.2vw,3.9rem);margin-bottom:1rem}
.nv-hero h1 span{display:block;font-family:var(--nv-body);font-weight:700;font-size:.4em;color:var(--nv-violet-2);margin-top:.7rem;line-height:1.3}
.nv-hero .hero-sub{font-size:1.12rem;color:var(--nv-muted);max-width:56ch}
.nv-hero .btn-row{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:1.6rem}
.nv-hero .hero-meta{margin-top:1.3rem;font-size:.95rem;color:var(--nv-muted)}
.nv-hero .hero-meta strong{color:var(--nv-ink)}
.byline{font-size:.9rem;color:var(--nv-muted)}

/* signature: saltatory nerve fibers */
.fiber-stage{position:relative;width:min(100%,520px);aspect-ratio:1/1;margin:0 auto}
.fiber-svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.fiber-core{fill:none;stroke:var(--nv-lav);stroke-width:1.5;opacity:.7}
.fiber-myelin{fill:none;stroke:var(--nv-lav-lt);stroke-width:13;stroke-linecap:round;stroke-dasharray:46 18}
.fiber-pulse{fill:none;stroke:var(--nv-coral);stroke-width:5;stroke-linecap:round;stroke-dasharray:2 62;animation:hop 1.5s linear infinite}
.fiber-pulse--b{animation-duration:1.9s;stroke:#FFB29E}
.fiber-end{fill:var(--nv-violet-2)}
.fiber-end--glow{fill:var(--nv-coral);transform-box:fill-box;transform-origin:center;animation:endGlow 3s ease-in-out infinite}
.halo{fill:#fff;stroke:var(--nv-lav-lt);stroke-width:2}
.fiber-bottle{position:absolute;left:50%;top:50%;width:44%;transform:translate(-50%,-50%);filter:drop-shadow(0 22px 26px rgba(43,31,115,.25))}
@keyframes hop{to{stroke-dashoffset:-64}}
@keyframes endGlow{0%,100%{transform:scale(1);opacity:.7}50%{transform:scale(1.6);opacity:1}}
@media (max-width:991.98px){
  .nv-hero{padding:24px 0 56px}
  .fiber-stage{width:min(82%,340px);margin-bottom:.4rem}
  .fiber-pulse{animation-duration:2.2s}
  .fiber-pulse--b{animation-duration:2.8s}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .fiber-pulse,.fiber-end--glow{animation:none}
  .btn-nv{transition:none}
}

/* quick answer + facts */
.quick-answer{background:#fff;color:var(--nv-text);border-radius:14px;padding:1.5rem 1.7rem;border:1px solid var(--nv-line);border-top:5px solid var(--nv-coral)}
.quick-answer h2{font-size:1.75rem;color:var(--nv-ink)}
.quick-answer p{color:var(--nv-text);margin:0}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:.7rem}
.facts div{background:#fff;border:1px solid var(--nv-line);border-radius:12px;padding:.9rem 1rem}
.facts b{display:block;font-family:var(--nv-display);font-weight:400;font-size:1.7rem;color:var(--nv-violet);line-height:1.1}
.facts span{font-size:.92rem;color:var(--nv-muted)}
@media (min-width:768px){.facts{grid-template-columns:repeat(3,1fr)}}

/* why badges */
.badge-tile{padding:1.2rem;border-left:3px solid var(--nv-lav-lt);height:100%}
.badge-tile svg{width:64px;height:64px;margin-bottom:.8rem}
.badge-tile p{font-size:.97rem;color:var(--nv-muted);margin:0}

/* experiences */
.photo-stack{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem}
.photo-stack img{width:64px;height:64px;border-radius:50%;object-fit:cover;border:3px solid #fff;box-shadow:0 0 0 2px var(--nv-lav)}
.photo-stack img+img{margin-left:-1.5rem}
.photo-stack p{margin:0;font-size:.92rem;color:var(--nv-muted)}
.voice{background:#fff;border-radius:14px;padding:1.5rem;height:100%;border:1px solid var(--nv-line)}
.voice .who{display:flex;align-items:center;gap:.8rem;margin-bottom:.7rem}
.voice .av{width:44px;height:44px;border-radius:50%;background:var(--nv-lav-lt);color:var(--nv-violet);display:grid;place-items:center;font-weight:700;font-size:1.1rem;flex:none}
.voice h3{font-size:1.2rem;margin:0}
.voice p{margin:0}
.note-small{font-size:.9rem;color:var(--nv-muted)}

.split-img{border-radius:20px 20px 20px 90px}

/* not-the-drug callout */
.rx-note{background:#fff;color:var(--nv-text);border:2px solid var(--nv-violet);border-radius:14px;padding:1.3rem 1.5rem}
.rx-note h3{color:var(--nv-violet)}
.rx-note p{margin:0}

/* steps */
.steps{list-style:none;padding:0;margin:0;counter-reset:s}
.steps li{position:relative;padding:0 0 1.5rem 4rem}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:2.8rem;height:2.8rem;border-radius:50%;background:var(--nv-coral);color:var(--nv-ink);display:grid;place-items:center;font-family:var(--nv-display);font-size:1.25rem}
.steps li::after{content:"";position:absolute;left:1.35rem;top:3rem;bottom:.3rem;width:2px;background-image:linear-gradient(var(--nv-lav) 50%,transparent 0);background-size:2px 10px}
.steps li:last-child::after{display:none}
.steps p{margin:0;color:#D8D1EF}

/* offer */
.offer-box{display:flex;flex-wrap:wrap;align-items:center;gap:2rem}
.offer-box img{width:230px;flex:none}
.offer-box>div{flex:1 1 320px}
.offer-box .price-now{font-family:var(--nv-display);font-size:clamp(2.6rem,6vw,3.6rem);color:var(--nv-coral);line-height:1}
.offer-box .price-was{text-decoration:line-through;color:#BDB2E0}
.price-note{background:rgba(255,255,255,.08);border-radius:10px;padding:.8rem 1rem;font-size:.92rem;margin-top:1rem;color:#DCD5F2}

/* ingredients */
.ing{background:#fff;border:1px solid var(--nv-line);border-radius:14px;padding:1.3rem 1.4rem;height:100%}
.ing .tag{display:inline-block;font-size:.8rem;font-weight:700;color:var(--nv-violet);background:var(--nv-lav-lt);border-radius:30px;padding:.12rem .7rem;margin-bottom:.5rem}
.ing p{margin:0;font-size:1rem}
.honesty{background:#FFF4EF;color:var(--nv-text);border-left:5px solid var(--nv-coral);border-radius:12px;padding:1.3rem 1.5rem}
.honesty h3{color:var(--nv-coral-dk)}
.honesty p{color:var(--nv-text)}
.honesty p:last-child{margin-bottom:0}

/* pricing */
.pcard{position:relative;background:#fff;color:var(--nv-text);border-radius:18px;padding:1.7rem 1.4rem 1.4rem;text-align:center;height:100%;display:flex;flex-direction:column}
.pcard h3{font-size:1.7rem;margin:0;color:var(--nv-ink)}
.pcard .supply{color:var(--nv-muted);font-size:.95rem}
.pcard img{height:190px;width:auto;object-fit:contain;margin:1rem auto}
.pcard .per{font-family:var(--nv-display);font-size:3.3rem;line-height:1;color:var(--nv-ink)}
.pcard .per small{font-family:var(--nv-body);font-size:1rem;font-weight:600;color:var(--nv-muted)}
.pcard ul{list-style:none;padding:0;margin:1rem 0;font-size:.95rem}
.pcard ul li{padding:.28rem 0;border-bottom:1px dashed var(--nv-line)}
.pcard .total{font-weight:700;margin-bottom:1rem}
.pcard .total s{color:var(--nv-muted);font-weight:400}
.pcard .btn-nv{margin-top:auto}
.pcard .cards{height:26px;width:auto;margin:.9rem auto 0}
.pcard--best{box-shadow:0 0 0 4px var(--nv-coral),0 22px 44px rgba(0,0,0,.3)}
.pcard .flag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--nv-coral);color:var(--nv-ink);font-weight:700;font-size:.85rem;padding:.25rem .95rem;border-radius:30px;white-space:nowrap}
@media (min-width:992px){.pcard--best{transform:translateY(-14px)}}

/* benefits */
.benefit{background:#fff;border-radius:14px;padding:1.3rem 1.4rem;height:100%;border:1px solid var(--nv-line)}
.benefit p{margin:0}

/* safety */
.warn-box{background:#fff;color:var(--nv-text);border:1px solid var(--nv-line);border-top:5px solid var(--nv-violet);border-radius:12px;padding:1.4rem 1.6rem}
.warn-box h3{color:var(--nv-violet)}
.warn-box ul{margin:0;padding-left:1.2rem}
.warn-box li{margin-bottom:.45rem}

/* final */
.final-cta{text-align:center}
.final-cta .was{font-size:1.15rem;color:#C4BCDF}
.final-cta .now{font-family:var(--nv-display);font-size:clamp(2.8rem,7vw,4.6rem);color:var(--nv-coral);line-height:1;margin:.3rem 0 1.2rem}

/* faq */
.nv-faq .accordion-item{border:0;border-bottom:1px solid var(--nv-line);background:transparent}
.nv-faq .accordion-button{font-family:var(--nv-display);font-size:1.2rem;color:var(--nv-ink);background:transparent;padding:1.1rem 0;box-shadow:none}
.nv-faq .accordion-button:not(.collapsed){color:var(--nv-violet-2)}
.nv-faq .accordion-button:focus-visible{outline:3px solid var(--nv-coral)}
.nv-faq .accordion-body{padding:0 0 1.2rem;color:var(--nv-text)}

.refs{font-size:.95rem;padding-left:1.2rem}
.refs li{margin-bottom:.55rem}

/* footer */
.nv-foot{background:var(--nv-ink);color:#BDB6D6;font-size:.92rem;padding:56px 0 28px}
.nv-foot h2{font-size:1.4rem;color:#fff}
.nv-foot a{color:#FFB29E;text-decoration:none}
.nv-foot a:hover{text-decoration:underline;color:#fff}
.nv-foot ul{list-style:none;padding:0}
.nv-foot li{margin-bottom:.35rem}
.nv-foot .disc{border-top:1px solid #352D5E;margin-top:2rem;padding-top:1.4rem;font-size:.85rem}

/* inner pages */
.page-head{background:var(--nv-mint);padding:48px 0 40px;border-bottom:1px solid var(--nv-line)}
.page-head h1{font-size:clamp(2.2rem,5vw,3.3rem)}
.crumbs{font-size:.9rem;margin-bottom:.6rem}
.legal{max-width:76ch}
.legal h2{font-size:1.7rem;margin-top:2rem}