/* ═══════════════════════════════════════════════════
   MEMOFIX — "NEURAL CIRCUIT" DESIGN SYSTEM
   Deep indigo/violet + electric blue synapse accents,
   matching the official MemoFix bottle label
═══════════════════════════════════════════════════ */

:root{
  --bg-deep:   #180f30;   /* near-black indigo, primary background */
  --bg-panel:  #211442;   /* lifted panel */
  --bg-panel2: #2a1a54;   /* card-on-card */
  --line:      rgba(124,140,255,.16);
  --neural:    #4fd1ff;   /* electric cyan-blue, synapse glow */
  --neural-dim:#2f9fd6;
  --violet:    #7c5cff;   /* brand purple, CTA accent */
  --violet-dk: #5a3ecc;
  --silver:    #eef0f7;   /* primary text on dark */
  --muted:     #a79fd1;   /* secondary text on dark */
  --ink:       #150c2e;   /* text on light/accent surfaces */
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-deep);
  color:var(--silver);
  font-family:'Plus Jakarta Sans',sans-serif;
  font-size:19px;
  line-height:1.75;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px;}

h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;color:var(--silver);line-height:1.15;font-weight:600;}
.label{
  font-family:'Space Mono',monospace;
  font-size:18px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--neural);
}
p{font-size:19px;line-height:1.8;color:var(--muted);}
p.lead{font-size:22px;line-height:1.65;}

/* ══════════════════════════════════════
   NODE — signature synapse emblem, used
   as logo mark, ingredient badge, trust
   badge, guarantee mark
══════════════════════════════════════ */
.node{
  --node-size:64px;
  width:var(--node-size);height:var(--node-size);
  border-radius:50%;
  position:relative;
  display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 32% 28%, #7fe4ff, var(--neural) 55%, var(--violet-dk) 100%);
  box-shadow:0 4px 20px rgba(79,209,255,.35), inset 0 0 0 2px rgba(255,255,255,.25);
  flex-shrink:0;
}
.node::before{
  content:'';position:absolute;inset:-6px;border-radius:50%;
  border:1px solid rgba(79,209,255,.35);
}
.node svg{width:54%;height:54%;position:relative;z-index:1;fill:var(--ink);}

/* ══════════════════════════════════════
   BUTTONS
══════════════════════════════════════ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;font-size:18px;
  padding:17px 34px;border-radius:100px;
  text-decoration:none;cursor:pointer;border:none;
  transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg, var(--neural), var(--violet));
  color:#fff;
  box-shadow:0 8px 26px rgba(124,92,255,.4);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);}
.btn-outline{
  background:transparent;color:var(--silver);
  border:1.5px solid rgba(238,240,247,.3);
}
.btn-outline:hover{border-color:var(--neural);color:var(--neural);}
.btn img{width:20px;height:20px;}

/* ══════════════════════════════════════
   NAV
══════════════════════════════════════ */
header.topbar{
  background:var(--violet-dk);
  text-align:center;padding:11px 20px;
}
header.topbar span{
  font-family:'Space Mono',monospace;font-size:15px;font-weight:600;
  letter-spacing:.05em;color:#e7e1ff;
}
nav.mainnav{
  position:sticky;top:0;z-index:50;
  background:rgba(24,15,48,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
nav.mainnav .wrap{display:flex;align-items:center;justify-content:space-between;min-height:84px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand .node{--node-size:42px;}
.brand span{font-family:'Space Grotesk',sans-serif;font-size:23px;font-weight:700;color:var(--silver);}
.navlinks{display:flex;align-items:center;gap:28px;flex-wrap:wrap;}
.navlinks a{
  font-family:'Space Mono',monospace;font-size:18px;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
  transition:color .2s ease;
}
.navlinks a:hover{color:var(--neural);}
@media(max-width:1050px){.navlinks{display:none;}}

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero{
  position:relative;padding:76px 0 90px;overflow:hidden;
  background:
    radial-gradient(ellipse 700px 500px at 78% 25%, rgba(79,209,255,.22), transparent 65%),
    radial-gradient(ellipse 500px 400px at 10% 80%, rgba(124,92,255,.18), transparent 60%),
    var(--bg-deep);
}
.hero .wrap{display:grid;grid-template-columns:1fr;gap:48px;align-items:center;}
.hero-eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:22px;}
.hero-eyebrow .node{--node-size:30px;}
h1.hero-title{font-size:42px;margin-bottom:22px;}
h1.hero-title em{color:var(--neural);font-style:italic;}
.hero-sub{margin-bottom:28px;max-width:560px;}
.hero-points{display:flex;flex-direction:column;gap:12px;margin-bottom:32px;list-style:none;}
.hero-points li{display:flex;align-items:flex-start;gap:12px;font-size:18px;color:var(--silver);}
.hero-points svg{width:22px;height:22px;flex-shrink:0;margin-top:2px;fill:var(--neural);}
.hero-ctas{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:24px;}
.hero-rating{display:flex;align-items:center;gap:10px;}
.hero-rating .stars{color:var(--neural);font-size:18px;letter-spacing:2px;}
.hero-rating span{font-size:20px;color:var(--muted);}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;}
.hero-glow{
  position:absolute;inset:0;
  background:radial-gradient(circle at center, rgba(79,209,255,.35), transparent 60%);
  filter:blur(20px);
}
.hero-visual img.product{
  position:relative;z-index:1;max-height:440px;width:auto;
  filter:drop-shadow(0 30px 50px rgba(0,0,0,.5));
  animation:float 6s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
@media(min-width:900px){
  .hero .wrap{grid-template-columns:1.05fr .95fr;}
  h1.hero-title{font-size:54px;}
}

/* ══════════════════════════════════════
   TRUST STRIP
══════════════════════════════════════ */
.trust-strip{background:var(--bg-panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0;}
.trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.trust-item{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;}
.trust-item img{height:56px;width:auto;object-fit:contain;}
.trust-item h4{font-size:20px;font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;color:var(--silver);}
.trust-item p{font-size:15px;color:var(--muted);line-height:1.5;}
@media(min-width:800px){.trust-grid{grid-template-columns:repeat(4,1fr);}}

/* ══════════════════════════════════════
   SECTION BASE
══════════════════════════════════════ */
section{padding:76px 0;}
@media(min-width:700px){section{padding:96px 0;}}
.section-head{max-width:680px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:32px;margin-top:14px;}
@media(min-width:700px){.section-head h2{font-size:42px;}}
.eyebrow-row{display:flex;align-items:center;gap:10px;}
.eyebrow-row.center{justify-content:center;}

/* ══════════════════════════════════════
   PAGE HERO (sub-pages)
══════════════════════════════════════ */
.page-hero{
  padding:52px 0 64px;
  background:radial-gradient(ellipse 700px 400px at 50% 0%, rgba(79,209,255,.18), transparent 65%), var(--bg-deep);
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:'Space Mono',monospace;font-size:18px;color:var(--muted);margin-bottom:22px;}
.breadcrumb a{color:var(--neural);}
.breadcrumb a:hover{text-decoration:underline;}
.page-hero h1{font-size:36px;margin-bottom:16px;}
@media(min-width:700px){.page-hero h1{font-size:46px;}}
.page-hero p.lead{max-width:640px;}

/* ══════════════════════════════════════
   INGREDIENT / CONTENT CARDS
══════════════════════════════════════ */
.ing-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:700px){.ing-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1100px){.ing-grid{grid-template-columns:repeat(3,1fr);}}
.ing-card{background:var(--bg-panel);border:1px solid var(--line);border-radius:20px;padding:32px 28px;transition:transform .25s ease, border-color .25s ease;}
.ing-card:hover{transform:translateY(-4px);border-color:var(--neural);}
.ing-card .node{--node-size:52px;margin-bottom:18px;}
.ing-card h3{font-size:21px;font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;margin-bottom:10px;color:var(--neural);}
.ing-card p{font-size:18px;}
.ing-num{font-family:'Space Mono',monospace;font-size:18px;color:var(--muted);letter-spacing:.1em;margin-bottom:8px;display:block;}

.ing-hub-list{display:flex;flex-direction:column;gap:18px;}
.ing-hub-item{display:flex;flex-direction:column;gap:16px;background:var(--bg-panel);border:1px solid var(--line);border-radius:20px;padding:28px 26px;transition:border-color .25s ease, transform .25s ease;}
.ing-hub-item:hover{border-color:var(--neural);transform:translateY(-3px);}
.ing-hub-item .node{--node-size:52px;}
.ing-hub-item h3{font-size:22px;font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;color:var(--silver);margin-bottom:8px;}
.ing-hub-item p{font-size:18px;margin-bottom:12px;}
.ing-hub-item a.read-link{font-family:'Space Mono',monospace;font-size:18px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--neural);}
@media(min-width:700px){
  .ing-hub-item{flex-direction:row;align-items:flex-start;}
  .ing-hub-item .node{margin-top:2px;}
}

.detail-grid{display:flex;flex-direction:column;gap:28px;}
.detail-block{background:var(--bg-panel);border:1px solid var(--line);border-radius:20px;padding:32px 30px;}
.detail-block h2{font-size:24px;margin-bottom:14px;color:var(--neural);}
.detail-block p{font-size:19px;}
.detail-block.callout{background:linear-gradient(155deg, var(--bg-panel2), #3a2270);border:1.5px solid var(--violet);}
.detail-block.callout h2{color:#c8b8ff;}

.related-grid{display:flex;flex-direction:column;gap:12px;}
@media(min-width:700px){.related-grid{flex-direction:row;flex-wrap:wrap;}}
.related-grid a{display:block;flex:1 1 220px;padding:18px 22px;border-radius:14px;background:var(--bg-panel);border:1px solid var(--line);font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;font-size:20px;color:var(--neural);text-align:center;transition:border-color .2s ease, transform .2s ease;}
.related-grid a:hover{border-color:var(--neural);transform:translateY(-2px);}

/* ══════════════════════════════════════
   RITUAL / STEPS
══════════════════════════════════════ */
.steps{background:var(--bg-panel);}
.steps-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:800px){.steps-grid{grid-template-columns:repeat(3,1fr);}}
.step-card{background:var(--bg-panel2);border:1px solid var(--line);border-radius:20px;padding:34px 28px;}
.step-card .step-num{font-family:'Space Grotesk',sans-serif;font-size:38px;font-weight:700;color:var(--neural);margin-bottom:14px;display:block;}
.step-card h3{font-size:22px;margin-bottom:10px;}
.step-card p{font-size:18px;}

/* ══════════════════════════════════════
   QUALITY / FEATURES LIST
══════════════════════════════════════ */
.quality-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:800px){.quality-grid{grid-template-columns:repeat(3,1fr);}}
.quality-item{display:flex;gap:16px;align-items:flex-start;}
.quality-item .node{--node-size:48px;}
.quality-item h4{font-size:19px;font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;margin-bottom:6px;color:var(--silver);}
.quality-item p{font-size:20px;}

/* ══════════════════════════════════════
   TESTIMONIALS
══════════════════════════════════════ */
.testimonials{background:var(--bg-panel);}
.testi-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:700px){.testi-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1100px){.testi-grid.expanded{grid-template-columns:repeat(3,1fr);}}
.testi-card{background:var(--bg-panel2);border:1px solid var(--line);border-radius:20px;padding:30px;}
.testi-top{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.testi-top img{width:56px;height:56px;border-radius:50%;object-fit:cover;border:2px solid var(--neural);}
.testi-name{font-weight:700;color:var(--silver);font-size:18px;}
.testi-loc{font-size:15px;color:var(--muted);}
.testi-card p{font-size:18px;font-style:italic;color:var(--silver);}
.stars-row{color:var(--neural);font-size:18px;margin-bottom:12px;letter-spacing:2px;}

/* ══════════════════════════════════════
   PRICING
══════════════════════════════════════ */
.pricing-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:900px){.pricing-grid{grid-template-columns:repeat(3,1fr);align-items:end;}}
.price-card{background:var(--bg-panel);border:1px solid var(--line);border-radius:22px;padding:32px 28px;text-align:center;position:relative;}
.price-card.featured{background:linear-gradient(165deg, var(--bg-panel2), #3a2270);border:2px solid var(--neural);box-shadow:0 20px 50px rgba(79,209,255,.15);}
.price-badge{position:absolute;top:-16px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg, var(--neural), var(--violet));color:#fff;font-family:'Space Mono',monospace;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:8px 18px;border-radius:100px;white-space:nowrap;}
.price-card img.bottle{max-height:170px;margin:20px auto;}
.price-qty{font-family:'Space Grotesk',sans-serif;font-size:26px;color:var(--silver);margin-bottom:4px;}
.price-supply{font-size:15px;color:var(--muted);margin-bottom:18px;}
.price-num{font-family:'Space Grotesk',sans-serif;font-size:44px;color:var(--neural);}
.price-num span{font-size:21px;color:var(--muted);font-family:'Plus Jakarta Sans',sans-serif;}
.price-total{font-size:21px;color:var(--muted);margin:14px 0 22px;}
.price-total b{color:var(--silver);}

/* ══════════════════════════════════════
   GUARANTEE
══════════════════════════════════════ */
.guarantee-sec{background:radial-gradient(ellipse 800px 400px at 50% 0%, rgba(124,92,255,.18), transparent 60%), var(--bg-deep);text-align:center;}
.guarantee-sec img.badge{height:130px;width:auto;margin:0 auto 28px;}
.guarantee-sec h2{font-size:34px;max-width:640px;margin:0 auto 18px;}
@media(min-width:700px){.guarantee-sec h2{font-size:44px;}}
.guarantee-sec p{max-width:600px;margin:0 auto 30px;}

/* ══════════════════════════════════════
   FAQ
══════════════════════════════════════ */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{background:var(--bg-panel);border:1px solid var(--line);border-radius:16px;overflow:hidden;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;background:none;border:none;cursor:pointer;text-align:left;}
.faq-q span{font-size:19px;font-weight:700;color:var(--silver);font-family:'Plus Jakarta Sans',sans-serif;}
.faq-q .chev{width:14px;height:14px;border-right:2.5px solid var(--neural);border-bottom:2.5px solid var(--neural);transform:rotate(45deg);transition:transform .3s ease;flex-shrink:0;}
.faq-item.open .faq-q .chev{transform:rotate(225deg);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease;}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a p{min-height:0;overflow:hidden;padding:0 26px;font-size:18px;}
.faq-item.open .faq-a p{padding-bottom:22px;}

/* ══════════════════════════════════════
   FINAL CTA
══════════════════════════════════════ */
.final-cta{background:linear-gradient(160deg, var(--violet-dk), #3a2270);text-align:center;}
.final-cta h2{font-size:34px;margin-bottom:16px;}
@media(min-width:700px){.final-cta h2{font-size:44px;}}
.final-cta p{max-width:560px;margin:0 auto 30px;color:#e7e1ff;}

/* ══════════════════════════════════════
   BLOG CARDS
══════════════════════════════════════ */
.blog-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:800px){.blog-grid{grid-template-columns:repeat(3,1fr);}}
.blog-card{display:flex;flex-direction:column;gap:8px;padding:24px;border-radius:16px;background:var(--bg-panel);border:1px solid var(--line);text-decoration:none;transition:all .25s ease;}
.blog-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.3);border-color:var(--neural);}
.blog-card .tag{font-family:'Space Mono',monospace;font-size:18px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--neural);}
.blog-card h3{font-size:19px;font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;color:var(--silver);}
.blog-card p{font-size:21px;color:var(--muted);}

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
footer{background:#0f0924;padding:60px 0 32px;border-top:1px solid var(--line);}
.footer-grid{display:flex;flex-direction:column;gap:36px;margin-bottom:36px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:21px;max-width:380px;}
.footer-links{display:flex;flex-wrap:wrap;gap:14px 28px;}
.footer-links a{font-size:15px;color:var(--muted);}
.footer-links a:hover{color:var(--neural);}
.footer-legal{border-top:1px solid var(--line);padding-top:28px;font-size:18px;line-height:1.7;color:var(--muted);}
@media(min-width:800px){.footer-grid{flex-direction:row;justify-content:space-between;}}

/* ══════════════════════════════════════
   SCROLL REVEAL
══════════════════════════════════════ */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease;}
.rv.vis{opacity:1;transform:none;}