/* =========================================================
   Memodyne — mmemodyne.com
   "Titan Pulse" design system — obsidian + emerald + amber.
   Premium brain-health aesthetic with clean edges
   and strong contrast.
   ========================================================= */
:root{
  --md-obsidian:#0c0c0c;
  --md-charcoal:#1a1a1a;
  --md-slate:#252525;
  --md-graphite:#2f2f2f;
  --md-steel:#3d3d3d;
  --md-emerald-900:#064e36;
  --md-emerald-700:#0a7c56;
  --md-emerald-600:#0d9668;
  --md-emerald-500:#12b47e;
  --md-emerald-400:#2dd4a0;
  --md-emerald-300:#6ee7bf;
  --md-amber-700:#b8860b;
  --md-amber-600:#d4a017;
  --md-amber-500:#f0c040;
  --md-amber-400:#f5d060;
  --md-red:#e74c3c;
  --md-bg:#fafaf8;
  --md-surface:#ffffff;
  --md-ink:#111111;
  --md-ink-soft:#5a5a5a;
  --md-line:#e2e2e2;
  --md-white:#ffffff;
  --md-success:#16a34a;
  --md-grad-hero:linear-gradient(168deg, #0c0c0c 0%, #1a2332 40%, #0f2b1f 100%);
  --md-grad-accent:linear-gradient(135deg, var(--md-emerald-500) 0%, var(--md-emerald-700) 100%);
  --md-grad-dark:linear-gradient(135deg, var(--md-charcoal) 0%, var(--md-obsidian) 100%);
  --md-grad-amber:linear-gradient(135deg, var(--md-amber-500) 0%, var(--md-amber-700) 100%);
  --md-font-display:'Playfair Display', Georgia, serif;
  --md-font-body:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --md-radius:12px;
  --md-radius-sm:8px;
  --md-radius-pill:999px;
  --md-shadow-sm:0 2px 16px rgba(0,0,0,.06);
  --md-shadow-md:0 20px 48px rgba(0,0,0,.12);
  --md-shadow-accent:0 12px 32px rgba(13,150,104,.28);
  --md-shadow-dark:0 12px 32px rgba(0,0,0,.35);
  --md-ease:cubic-bezier(.22,1,.36,1);
  --md-container-max:1240px;
  --md-header-h:76px;
  --safe-top:env(safe-area-inset-top, 0px);
  --safe-bottom:env(safe-area-inset-bottom, 0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{font-family:var(--md-font-body);color:var(--md-ink);background:var(--md-bg);line-height:1.72;font-size:16.5px;-webkit-font-smoothing:antialiased;overflow-x:hidden;margin:0}
h1,h2,h3,h4{font-family:var(--md-font-display);color:var(--md-obsidian);font-weight:700;line-height:1.15}
h1{font-size:clamp(2.2rem,5.2vw,3.6rem)}
h2{font-size:clamp(1.65rem,3.6vw,2.4rem)}
h3{font-size:clamp(1.1rem,2vw,1.35rem)}
p{margin-bottom:1rem}
a{color:var(--md-emerald-700);text-decoration:none;transition:color .2s}
a:hover{color:var(--md-emerald-900)}
img{max-width:100%;height:auto;display:block}
.md-container{max-width:var(--md-container-max);margin:0 auto;padding:0 24px}
::selection{background:var(--md-emerald-400);color:var(--md-obsidian)}
a:focus-visible,button:focus-visible{outline:3px solid var(--md-emerald-500);outline-offset:2px}

/* ── Kicker / Label ── */
.md-kicker{display:inline-flex;align-items:center;gap:10px;font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--md-emerald-600);margin-bottom:14px;font-family:var(--md-font-body)}
.md-kicker::before{content:"";width:24px;height:3px;background:var(--md-emerald-500);border-radius:2px}
.md-hero .md-kicker{color:var(--md-emerald-300)}
.md-lede{font-size:1.08rem;color:var(--md-ink-soft);max-width:62ch;margin:0 auto 1.2rem}

/* ── Buttons ── */
.md-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--md-font-body);font-weight:700;font-size:1rem;padding:16px 34px;border-radius:var(--md-radius);border:2px solid transparent;cursor:pointer;transition:transform .22s var(--md-ease),box-shadow .22s var(--md-ease);white-space:nowrap;text-decoration:none}
.md-btn-accent{background:var(--md-grad-accent);color:#fff;box-shadow:var(--md-shadow-accent)}
.md-btn-accent:hover{transform:translateY(-3px);color:#fff;box-shadow:0 18px 40px rgba(13,150,104,.38)}
.md-btn-dark{background:var(--md-grad-dark);color:#fff;box-shadow:var(--md-shadow-dark)}
.md-btn-dark:hover{transform:translateY(-3px);color:#fff}
.md-btn-sm{padding:12px 24px;font-size:.88rem}
.md-btn-lg{padding:18px 42px;font-size:1.05rem}

/* ── Top Bar ── */
.md-topbar{background:var(--md-obsidian);color:var(--md-emerald-300);font-size:.78rem;font-weight:600;text-align:center;padding:10px 14px;padding-top:calc(10px + var(--safe-top));display:flex;align-items:center;justify-content:center;gap:8px}
.md-topbar a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.md-pulse{width:8px;height:8px;border-radius:50%;background:var(--md-emerald-400);display:inline-block;animation:pulse-glow 2s ease infinite}
@keyframes pulse-glow{0%,100%{box-shadow:0 0 0 0 rgba(45,212,160,.5)}50%{box-shadow:0 0 0 6px rgba(45,212,160,0)}}

/* ── Header ── */
.md-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.97);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--md-line)}
.md-header .md-container{height:var(--md-header-h)}
.md-logo{display:flex;align-items:center;gap:10px;font-family:var(--md-font-display);font-weight:800;font-size:1.5rem;color:var(--md-obsidian);text-decoration:none}
.md-logo:hover{color:var(--md-obsidian)}
.md-nav{display:flex;align-items:center;gap:30px}
.md-nav a{color:var(--md-ink-soft);font-weight:600;font-size:.94rem;position:relative;padding:6px 0;text-decoration:none}
.md-nav a::after{content:"";position:absolute;left:0;bottom:-2px;height:3px;width:0;background:var(--md-emerald-500);border-radius:2px;transition:width .25s var(--md-ease)}
.md-nav a:hover{color:var(--md-obsidian)}
.md-nav a:hover::after,.md-nav a.active::after{width:100%}
.md-menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--md-line);background:var(--md-white);color:var(--md-obsidian);align-items:center;justify-content:center;border-radius:var(--md-radius-sm);cursor:pointer;font-size:1.3rem}
.md-mobile-nav{display:none;background:var(--md-obsidian);padding:16px 24px;padding-bottom:calc(16px + var(--safe-bottom))}
.md-mobile-nav.open{display:block}
.md-mobile-nav a{display:block;color:#fff;font-weight:600;font-size:1.05rem;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08);text-decoration:none}

/* ── Hero ── */
.md-hero{background:var(--md-grad-hero);color:#fff;padding:72px 0 100px;overflow:hidden;position:relative}
.md-hero::before{content:"";position:absolute;width:700px;height:700px;border-radius:50%;background:radial-gradient(circle,rgba(13,150,104,.12),transparent 65%);top:-280px;right:-200px;pointer-events:none}
.md-hero::after{content:"";position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(240,192,64,.08),transparent 65%);bottom:-200px;left:-150px;pointer-events:none}
.md-hero h1{color:#fff}
.md-hero h1 em{font-style:italic;color:var(--md-emerald-300)}
.md-hero .md-lede{color:rgba(255,255,255,.75)}
.md-hero-img{max-height:440px;margin:0 auto;filter:drop-shadow(0 32px 64px rgba(0,0,0,.45));position:relative;z-index:1}
.md-stars{color:var(--md-amber-500);letter-spacing:2px;font-size:1.1rem;margin-bottom:10px}

/* ── Section ── */
.md-section{padding:80px 0}
.md-section.alt{background:#f2f2f0}
.md-section.dark{background:var(--md-obsidian);color:#fff}
.md-section.dark h2,.md-section.dark h3{color:#fff}
.md-section-head{text-align:center;margin-bottom:44px}

/* ── Trust Row ── */
.md-trust-row{background:var(--md-white);border-bottom:1px solid var(--md-line);padding:26px 0}
.md-trust-row img{height:44px;width:auto;opacity:.85;transition:opacity .2s}
.md-trust-row img:hover{opacity:1}

/* ── Step Cards (How It Works) ── */
.md-step-card{background:var(--md-white);border:1px solid var(--md-line);border-radius:var(--md-radius);padding:28px;box-shadow:var(--md-shadow-sm);height:100%;text-align:center;transition:transform .22s var(--md-ease),box-shadow .22s var(--md-ease)}
.md-step-card:hover{transform:translateY(-4px);box-shadow:var(--md-shadow-md)}
.md-step-card .md-step-num{width:52px;height:52px;border-radius:50%;background:var(--md-grad-accent);color:#fff;font-weight:800;font-size:1.2rem;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-family:var(--md-font-body)}
.md-step-card h3{margin-bottom:10px}
.md-step-card p{color:var(--md-ink-soft);margin-bottom:0}

/* ── Benefit Cards ── */
.md-benefit-card{background:var(--md-white);border:1px solid var(--md-line);border-radius:var(--md-radius);padding:28px;box-shadow:var(--md-shadow-sm);height:100%;transition:transform .22s var(--md-ease),box-shadow .22s var(--md-ease)}
.md-benefit-card:hover{transform:translateY(-4px);box-shadow:var(--md-shadow-md)}
.md-benefit-card h4{font-size:1.1rem;margin-bottom:10px;font-family:var(--md-font-display)}
.md-benefit-card h3{font-size:1.1rem;margin-bottom:10px}
.md-benefit-card p{color:var(--md-ink-soft);margin-bottom:0;font-size:.94rem}

/* ── Pricing Cards ── */
.md-price-card{background:var(--md-white);border:1px solid var(--md-line);border-radius:var(--md-radius);padding:32px 26px;text-align:center;box-shadow:var(--md-shadow-sm);position:relative;height:100%;display:flex;flex-direction:column}
.md-price-card.md-featured{border:2px solid var(--md-emerald-500);box-shadow:var(--md-shadow-accent);transform:scale(1.04)}
.md-price-badge{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:var(--md-grad-accent);color:#fff;font-weight:700;font-size:.78rem;padding:8px 22px;border-radius:var(--md-radius-pill);box-shadow:var(--md-shadow-accent);white-space:nowrap}
.md-price-label{font-size:.88rem;font-weight:600;color:var(--md-ink-soft);margin-bottom:4px}
.md-price-card h3{margin-bottom:4px}
.md-supply{font-size:.88rem;color:var(--md-ink-soft);margin-bottom:12px}
.md-price-card img{max-height:180px;margin:6px auto 18px}
.md-price-amount{font-family:var(--md-font-display);font-size:2.6rem;color:var(--md-obsidian);font-weight:700;margin-bottom:8px}
.md-price-amount sup{font-size:1rem;vertical-align:super}
.md-price-amount span{font-size:.95rem;color:var(--md-ink-soft);font-weight:400;font-family:var(--md-font-body)}
.md-price-perks{list-style:none;padding:0;margin:12px 0;text-align:left}
.md-price-perks li{padding:6px 0 6px 28px;position:relative;font-size:.9rem;color:var(--md-ink-soft)}
.md-price-perks li::before{content:"\2713";position:absolute;left:0;color:var(--md-success);font-weight:700}
.md-price-total{font-size:1.05rem;margin:8px 0 4px}
.md-price-total s{color:var(--md-ink-soft);font-size:.92rem}
.md-price-total b{color:var(--md-obsidian);font-size:1.25rem}
.md-price-ship{font-size:.82rem;color:var(--md-ink-soft);margin-bottom:16px}
.md-cc-strip{max-height:28px;margin:12px auto 0!important;opacity:.7}

/* ── Review Cards ── */
.md-review-card{background:#fff;border:1px solid var(--md-line);border-radius:var(--md-radius);padding:28px;box-shadow:var(--md-shadow-sm);height:100%;text-align:center}
.md-review-card img{width:72px;height:72px;border-radius:50%;object-fit:cover;border:3px solid var(--md-emerald-400);margin:0 auto 14px}
.md-review-text{color:var(--md-ink-soft);font-size:.94rem;font-style:italic;margin-bottom:14px}
.md-reviewer{font-size:.86rem;color:var(--md-ink-soft)}
.md-reviewer b{color:var(--md-obsidian)}

/* ── Bonus Cards ── */
.md-bonus-card{background:var(--md-white);border:1px solid var(--md-line);border-radius:var(--md-radius);padding:24px;box-shadow:var(--md-shadow-sm);height:100%}
.md-bonus-num{display:inline-block;background:var(--md-grad-accent);color:#fff;font-weight:700;font-size:.72rem;padding:4px 14px;border-radius:var(--md-radius-pill);margin-bottom:10px}
.md-bonus-card h4{font-size:1.05rem;margin-bottom:8px}
.md-bonus-card p{color:var(--md-ink-soft);font-size:.9rem;margin-bottom:10px}
.md-bonus-tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--md-emerald-600);background:rgba(13,150,104,.08);padding:4px 12px;border-radius:var(--md-radius-pill)}

/* ── Accordion (details/summary) ── */
.md-accordion details.md-acc-item{border:1px solid var(--md-line);border-radius:var(--md-radius-sm);margin-bottom:12px;overflow:hidden;background:#fff}
.md-acc-item summary{padding:20px 22px;font-weight:700;color:var(--md-obsidian);cursor:pointer;font-size:1rem;list-style:none;display:flex;justify-content:space-between;align-items:center}
.md-acc-item summary::-webkit-details-marker{display:none}
.md-acc-item summary::after{content:"+";color:var(--md-emerald-500);font-size:1.4rem;font-weight:700;transition:transform .25s var(--md-ease)}
.md-acc-item[open] summary::after{transform:rotate(45deg)}
.md-acc-body{padding:0 22px 20px;color:var(--md-ink-soft)}
.md-acc-body p{margin-bottom:.8rem}

/* ── Breadcrumb ── */
.md-breadcrumb{background:var(--md-obsidian);border-bottom:1px solid rgba(255,255,255,.06);padding:14px 0;font-size:.86rem}
.md-breadcrumb a{color:rgba(255,255,255,.6);font-weight:600;text-decoration:none}
.md-breadcrumb a:hover{color:var(--md-emerald-300)}
.md-breadcrumb span{color:var(--md-emerald-300);font-weight:600}

/* ── Meta Strip ── */
.md-meta-strip{display:flex;flex-wrap:wrap;gap:16px;align-items:center;font-size:.82rem;color:var(--md-ink-soft);border-top:1px solid var(--md-line);border-bottom:1px solid var(--md-line);padding:14px 0;margin:22px 0 34px}
.md-meta-strip b{color:var(--md-obsidian)}
.md-fact-check{display:inline-flex;align-items:center;gap:8px;background:#e8f9ef;color:var(--md-success);font-weight:700;font-size:.78rem;padding:6px 14px;border-radius:var(--md-radius-pill)}

/* ── Disclaimer ── */
.md-disclaimer{background:#fef3cd;border:1px solid #f5d87c;border-radius:var(--md-radius-sm);padding:18px 20px;font-size:.86rem;color:var(--md-ink-soft)}

/* ── Blog Card ── */
.md-blog-card{background:#fff;border:1px solid var(--md-line);border-radius:var(--md-radius);overflow:hidden;box-shadow:var(--md-shadow-sm);height:100%;display:flex;flex-direction:column;transition:transform .2s var(--md-ease),box-shadow .2s var(--md-ease)}
.md-blog-card:hover{transform:translateY(-3px);box-shadow:var(--md-shadow-md)}
.md-blog-card .body{padding:22px;display:flex;flex-direction:column;flex:1}
.md-blog-card .tag{font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--md-emerald-600);margin-bottom:8px;display:block}
.md-blog-card h3{font-size:1.02rem;margin-bottom:8px}
.md-blog-card p{font-size:.88rem;color:var(--md-ink-soft);flex:1}
.md-blog-card .meta{font-size:.78rem;color:#a0a0a0;margin-top:12px}

/* ── CTA Band ── */
.md-cta-band{background:var(--md-grad-dark);padding:60px 44px;text-align:center;color:#fff;position:relative;overflow:hidden}
.md-cta-band::before{content:"";position:absolute;top:-50%;right:-20%;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(13,150,104,.2),transparent 65%);pointer-events:none}
.md-cta-band h2{color:#fff}
.md-cta-band p{color:rgba(255,255,255,.7)}

/* ── Footer ── */
.md-footer{background:var(--md-obsidian);color:rgba(255,255,255,.65);padding:64px 0 0}
.md-footer-brand{font-family:var(--md-font-display);font-weight:800;font-size:1.5rem;color:#fff;margin-bottom:14px}
.md-footer h4{color:#fff;font-weight:700;font-size:.88rem;letter-spacing:.03em;text-transform:uppercase;margin-bottom:18px;font-family:var(--md-font-body)}
.md-footer a{display:block;color:rgba(255,255,255,.6);font-size:.92rem;margin-bottom:8px;text-decoration:none}
.md-footer a:hover{color:var(--md-emerald-300)}
.md-footer p{font-size:.92rem}
.md-footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding:22px 0;font-size:.8rem;text-align:center;color:rgba(255,255,255,.4);padding-bottom:calc(22px + var(--safe-bottom))}

/* ── Sticky CTA + Back to Top ── */
.md-sticky-cta{display:none;position:fixed;left:0;right:0;bottom:0;z-index:1200;background:#fff;border-top:1px solid var(--md-line);padding:12px 16px;padding-bottom:calc(12px + var(--safe-bottom));box-shadow:0 -8px 28px rgba(0,0,0,.1)}
.md-sticky-cta .md-btn{width:100%}
.md-top-btn{position:fixed;right:20px;bottom:96px;z-index:1150;width:48px;height:48px;border-radius:var(--md-radius-sm);background:var(--md-obsidian);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--md-shadow-md);opacity:0;pointer-events:none;transition:opacity .25s var(--md-ease);border:0;cursor:pointer}
.md-top-btn.show{opacity:1;pointer-events:auto}

/* ── Responsive ── */
@media(max-width:991px){
  .md-nav{display:none!important}
  .md-menu-toggle{display:flex}
  .md-hero{padding:48px 0 80px}
  .md-hero-img{max-height:320px}
  .md-price-card.md-featured{transform:none}
  .md-trust-row img{height:32px}
}
@media(max-width:767px){
  body{font-size:15.5px}
  .md-section{padding:56px 0}
  .md-hero{padding:36px 0 60px}
  .md-sticky-cta{display:block}
  .md-top-btn{bottom:86px;right:16px}
  .md-cta-band{padding:38px 22px}
}
@media(max-width:420px){
  h1{font-size:1.9rem}
  .md-price-amount{font-size:2rem}
}