/* ===================================================
   HorseFil — horsefilbuy.com Design System
   Charcoal + gold + crimson (matches bottle label).
=================================================== */

:root{
  --hf-gold:#B8860B;
  --hf-gold-light:#E0AC3C;
  --hf-crimson:#A3242E;
  --hf-crimson-2:#7A1B22;
  --hf-charcoal:#211C18;
  --hf-cream:#FBF6EC;
  --hf-cream-2:#F1E7D2;
  --hf-white:#FFFFFF;
  --hf-offwhite:#FFFDF8;
  --hf-text:#2B241C;
  --hf-text-muted:#6E6455;
  --hf-text-soft:#A69C8B;
  --hf-border:#EFE2C4;
  --hf-radius:14px;
  --hf-radius-sm:9px;
  --hf-shadow:0 4px 20px rgba(184,134,11,0.12);
  --hf-shadow-lg:0 18px 44px rgba(184,134,11,0.2);
  --hf-maxw:1180px;
  --hf-font-head:'Oswald',system-ui,sans-serif;
  --hf-font-body:'Work Sans',system-ui,-apple-system,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--hf-font-body);color:var(--hf-text);background:var(--hf-white);font-size:19px;line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased;padding-bottom:70px;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
.hf-container{max-width:var(--hf-maxw);margin:0 auto;padding:0 24px;}
h1,h2,h3,h4{font-family:var(--hf-font-head);color:var(--hf-charcoal);margin:0 0 14px;line-height:1.15;font-weight:700;text-transform:uppercase;letter-spacing:.01em;}
h1{font-size:clamp(30px,4.4vw,45px);}
h2{font-size:clamp(24px,2.8vw,31px);}
h3{font-size:18px;font-family:var(--hf-font-body);font-weight:700;text-transform:none;}
p{margin:0 0 16px;color:var(--hf-text-muted);}
ul{padding-left:0;list-style:none;margin:0;}
section{padding:60px 0;}
.hf-eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--hf-crimson);margin-bottom:12px;}
.hf-center{text-align:center;}
.hf-section-head{max-width:700px;margin:0 auto 40px;}
.hf-section-head p{margin:0;}

.hf-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:15px 30px;border-radius:8px;font-weight:800;font-size:15px;cursor:pointer;border:none;transition:transform .18s ease, box-shadow .18s ease;font-family:var(--hf-font-head);text-transform:uppercase;letter-spacing:.03em;}
.hf-btn-primary{background:var(--hf-crimson);color:#fff;}
.hf-btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(163,36,46,.35);background:var(--hf-crimson-2);}
.hf-btn-outline{background:#fff;color:var(--hf-text);border:1.5px solid var(--hf-border);}
.hf-btn-outline:hover{border-color:var(--hf-gold);transform:translateY(-2px);}
.hf-btn-block{width:100%;}
.hf-btn-gold{background:var(--hf-gold);color:#fff;}
.hf-btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(184,134,11,.35);}

.hf-topstrip{background:var(--hf-charcoal);color:#F1E7D2;font-size:13px;padding:9px 0;display:flex;justify-content:center;gap:28px;flex-wrap:wrap;text-align:center;}
.hf-topstrip span{display:flex;align-items:center;gap:6px;font-weight:700;}
.hf-topstrip .hf-dot{width:6px;height:6px;border-radius:50%;background:var(--hf-gold);display:inline-block;}

header.hf-header{background:#fff;border-bottom:1px solid var(--hf-border);position:sticky;top:0;z-index:100;}
.hf-nav-row{display:flex;align-items:center;justify-content:space-between;padding:16px 0;}
.hf-logo{font-family:var(--hf-font-head);font-weight:700;font-size:22px;color:var(--hf-charcoal);text-transform:uppercase;}
.hf-logo span{color:var(--hf-crimson);}
.hf-nav-links{display:flex;gap:20px;align-items:center;}
.hf-nav-links a{font-size:13.5px;font-weight:700;color:var(--hf-charcoal);text-transform:uppercase;letter-spacing:.02em;}
.hf-nav-links a:hover{color:var(--hf-crimson);}
.hf-nav-links a.hf-btn,.hf-nav-links a.hf-btn:hover{color:#fff;}
.hf-nav-cta{margin-left:8px;}
.hf-nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;}
.hf-nav-toggle span{display:block;width:26px;height:2.5px;background:var(--hf-charcoal);margin:5px 0;border-radius:2px;}
.hf-nav-overlay{display:none;position:fixed;inset:0;background:rgba(33,28,24,.3);z-index:150;}
.hf-nav-overlay.hf-show{display:block;}

.hf-sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:120;background:var(--hf-charcoal);border-top:1px solid #3A3128;box-shadow:0 -8px 24px rgba(0,0,0,.2);padding:10px 0;}
.hf-sticky-cta-row{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.hf-sticky-cta-text{display:flex;flex-direction:column;}
.hf-sticky-cta-text b{font-family:var(--hf-font-head);font-size:15px;color:#fff;text-transform:uppercase;}
.hf-sticky-cta-text span{font-size:12.5px;color:#B5AA97;}
.hf-sticky-cta .hf-btn{padding:11px 22px;font-size:13px;white-space:nowrap;}

.hf-hero{padding:46px 0 54px;position:relative;overflow:hidden;background:linear-gradient(180deg,var(--hf-cream) 0%, #FFFFFF 78%);}
.hf-hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center;}
.hf-hero-media{position:relative;display:flex;flex-direction:column;align-items:center;order:2;justify-content:center;}
.hf-hero-text{order:1;}
.hf-hero-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--hf-border);padding:8px 16px;border-radius:30px;font-size:12px;font-weight:800;color:var(--hf-charcoal);margin-bottom:20px;box-shadow:var(--hf-shadow);text-transform:uppercase;letter-spacing:.03em;}
.hf-hero-badge .hf-drop{width:7px;height:7px;border-radius:50%;background:var(--hf-crimson);}
.hf-hero-quick{background:#fff;border-left:4px solid var(--hf-crimson);border-radius:var(--hf-radius-sm);padding:20px 22px;margin:24px 0;box-shadow:var(--hf-shadow);}
.hf-hero-quick .hf-qa-label{font-size:12px;font-weight:900;letter-spacing:.1em;color:var(--hf-gold);text-transform:uppercase;margin-bottom:8px;}
.hf-hero-quick p{margin:0;color:var(--hf-text);font-weight:600;font-size:16.5px;}
.hf-tag-row{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0;}
.hf-tag{background:#fff;border:1px solid var(--hf-border);padding:7px 14px;border-radius:20px;font-size:12px;font-weight:800;color:var(--hf-text);text-transform:uppercase;letter-spacing:.02em;}
.hf-hero-points{margin:22px 0;}
.hf-hero-points li{display:flex;gap:10px;padding:6px 0;color:var(--hf-text-muted);font-size:16px;}
.hf-hero-points li::before{content:"";min-width:8px;height:8px;background:var(--hf-crimson);border-radius:50%;margin-top:8px;}
.hf-hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0;}
.hf-stat-box{background:#fff;border:1px solid var(--hf-border);border-radius:var(--hf-radius-sm);text-align:center;padding:16px 6px;}
.hf-stat-box .hf-num{font-family:var(--hf-font-head);font-size:24px;font-weight:700;color:var(--hf-charcoal);}
.hf-stat-box .hf-lbl{font-size:10px;color:var(--hf-text-soft);font-weight:800;text-transform:uppercase;letter-spacing:.06em;}
.hf-hero-cta-row{display:flex;gap:14px;flex-wrap:wrap;}

.hf-hero-media-inner{position:relative;width:100%;max-width:290px;animation:hfFloatIn .9s cubic-bezier(.2,.8,.2,1) both;}
@keyframes hfFloatIn{0%{opacity:0;transform:translateY(26px) scale(.96);}100%{opacity:1;transform:translateY(0) scale(1);}}
.hf-hero-media-inner img{animation:hfFloatY 5.5s ease-in-out infinite;filter:drop-shadow(0 26px 40px rgba(33,28,24,.3));}
@keyframes hfFloatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-12px);}}

/* Stamina-surge bar animation */
.hf-surge{width:100%;max-width:250px;margin-top:16px;}
.hf-surge-label{display:flex;justify-content:space-between;font-size:11px;font-weight:800;color:var(--hf-text-soft);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;}
.hf-surge-track{width:100%;height:10px;background:var(--hf-cream-2);border-radius:6px;overflow:hidden;}
.hf-surge-fill{height:100%;border-radius:6px;background:linear-gradient(90deg,var(--hf-gold),var(--hf-crimson));width:20%;animation:hfSurge 3.4s ease-in-out infinite;}
@keyframes hfSurge{0%{width:15%;}50%{width:92%;}100%{width:15%;}}
@media (prefers-reduced-motion: reduce){
  .hf-hero-media-inner img{animation:none;}
  .hf-surge-fill{animation:none;width:70%;}
}

.hf-pill-row{display:flex;gap:8px;justify-content:center;margin-top:10px;flex-wrap:wrap;}
.hf-pill{background:#fff;border:1px solid var(--hf-border);padding:6px 12px;border-radius:16px;font-size:11px;font-weight:800;color:var(--hf-text);text-transform:uppercase;}
.hf-pill.hf-on{background:var(--hf-charcoal);color:#fff;border-color:transparent;}

.hf-callout{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--hf-border);border-radius:var(--hf-radius);padding:22px 26px;margin-top:22px;width:100%;box-shadow:var(--hf-shadow);}
.hf-callout-icon{width:52px;height:52px;flex:none;border-radius:14px;background:var(--hf-charcoal);display:flex;align-items:center;justify-content:center;}
.hf-callout-icon svg{width:22px;height:22px;color:var(--hf-gold-light);}
.hf-callout-text b{display:block;font-size:12px;letter-spacing:.06em;color:var(--hf-crimson);text-transform:uppercase;margin-bottom:4px;}
.hf-callout-text span{color:var(--hf-text);font-weight:600;font-size:15px;}

.hf-badges-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.hf-badge-card{background:#fff;border:1px solid var(--hf-border);border-radius:var(--hf-radius);padding:22px 14px;text-align:center;transition:transform .2s ease, box-shadow .2s ease;}
.hf-badge-card:hover{transform:translateY(-4px);box-shadow:var(--hf-shadow);}
.hf-badge-icon{width:56px;height:56px;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;}
.hf-badge-icon img{max-width:100%;max-height:100%;height:auto;}
.hf-badge-card h3{font-size:14px;margin-bottom:5px;}
.hf-badge-card p{font-size:12.5px;margin:0;}

.hf-split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;min-width:0;}
.hf-split > *{min-width:0;}
.hf-split.hf-reverse .hf-split-media{order:2;}
.hf-split-media img{border-radius:14px;box-shadow:var(--hf-shadow-lg);height:auto;}
.hf-note{background:var(--hf-cream);border-radius:var(--hf-radius-sm);padding:18px 20px;margin-top:20px;font-size:15px;color:var(--hf-text);border-left:3px solid var(--hf-crimson);}
.hf-note b{color:var(--hf-charcoal);}
.hf-chip-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}

.hf-band{background:var(--hf-cream);}

.hf-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.hf-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.hf-entity-card{background:#fff;border:1px solid var(--hf-border);border-radius:var(--hf-radius);padding:26px;transition:transform .2s ease, box-shadow .2s ease;}
.hf-entity-card:hover{transform:translateY(-5px);box-shadow:var(--hf-shadow-lg);}
.hf-entity-card h3 a{color:var(--hf-charcoal);}
.hf-readmore{color:var(--hf-crimson);font-weight:800;font-size:14px;display:inline-block;margin-top:10px;}

.hf-num-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.hf-num-card{background:#fff;border:1px solid var(--hf-border);border-radius:var(--hf-radius);padding:26px;}
.hf-num-card .hf-num-badge{width:32px;height:32px;border-radius:50%;background:var(--hf-crimson);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;margin-bottom:14px;font-family:var(--hf-font-head);}
.hf-num-card h3{font-size:16px;margin-bottom:6px;}
.hf-num-card p{font-size:14.5px;margin:0;}

.hf-list-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.hf-list-card{background:#fff;border:1px solid var(--hf-border);border-radius:var(--hf-radius-sm);padding:20px 22px;display:flex;gap:14px;align-items:flex-start;}
.hf-list-card .hf-lc-icon{color:var(--hf-gold);flex:none;margin-top:2px;font-size:22px;}
.hf-list-card h3{font-size:16px;margin-bottom:4px;}
.hf-list-card p{font-size:14.5px;margin:0;}

.hf-rating{display:flex;align-items:center;gap:24px;background:#fff;border:1px solid var(--hf-border);border-radius:var(--hf-radius);padding:26px 30px;max-width:620px;margin:0 auto 36px;box-shadow:var(--hf-shadow);flex-wrap:wrap;justify-content:center;}
.hf-rating-num{font-family:var(--hf-font-head);font-size:46px;font-weight:700;color:var(--hf-charcoal);line-height:1;}
.hf-rating-stars{color:var(--hf-crimson);font-size:20px;letter-spacing:3px;margin:4px 0;}
.hf-rating-sub{font-size:13px;color:var(--hf-text-soft);max-width:300px;}
.hf-testi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.hf-testi{background:#fff;border:1px solid var(--hf-border);border-radius:var(--hf-radius);padding:22px;}
.hf-testi-top{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
.hf-testi-avatar{width:44px;height:44px;border-radius:50%;object-fit:cover;background:var(--hf-cream);}
.hf-testi-name{font-weight:800;font-size:14.5px;color:var(--hf-charcoal);}
.hf-testi-sub{font-size:11.5px;color:var(--hf-text-soft);}
.hf-testi-stars{color:var(--hf-crimson);letter-spacing:2px;margin:8px 0;font-size:14px;}
.hf-testi p{font-size:14.5px;font-style:italic;color:var(--hf-text);margin:0;}

.hf-price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start;}
.hf-price-card{background:#fff;border:1.5px solid var(--hf-border);border-radius:16px;padding:34px 26px;text-align:center;position:relative;transition:transform .2s ease;}
.hf-price-card.hf-featured{border-color:var(--hf-crimson);transform:scale(1.04);box-shadow:0 20px 48px rgba(163,36,46,.2);background:linear-gradient(180deg,#FBECE9,#FFFFFF);}
.hf-price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--hf-crimson);color:#fff;font-size:12px;font-weight:800;padding:6px 16px;border-radius:20px;letter-spacing:.04em;white-space:nowrap;text-transform:uppercase;}
.hf-price-badge.hf-alt{background:#fff;color:var(--hf-charcoal);border:1.5px solid var(--hf-charcoal);}
.hf-price-card img{width:120px;margin:0 auto 16px;height:auto;}
.hf-price-plan{font-family:var(--hf-font-head);font-weight:700;font-size:18px;color:var(--hf-charcoal);text-transform:uppercase;}
.hf-price-sub{font-size:13px;color:var(--hf-text-soft);margin-bottom:14px;}
.hf-price-num{font-family:var(--hf-font-head);font-size:34px;font-weight:700;color:var(--hf-charcoal);}
.hf-price-num sub{font-size:14px;color:var(--hf-text-soft);font-weight:500;font-family:var(--hf-font-body);text-transform:none;}
.hf-price-total{font-size:14px;font-weight:800;color:var(--hf-charcoal);margin:8px 0 14px;}
.hf-price-list{margin:16px 0;text-align:left;}
.hf-price-list li{display:flex;gap:8px;font-size:14px;color:var(--hf-text-muted);padding:5px 0;}
.hf-price-list li::before{content:"✓";color:var(--hf-gold);font-weight:800;}

.hf-final-cta{background:var(--hf-charcoal);border-radius:24px;padding:56px 44px;text-align:center;position:relative;overflow:hidden;}
.hf-final-cta h2,.hf-final-cta .hf-eyebrow{color:#fff;}
.hf-final-cta p{color:rgba(255,255,255,.8);max-width:560px;margin:0 auto 26px;}
.hf-final-cta img{width:170px;margin:0 auto 22px;height:auto;}
.hf-final-cta-price{font-family:var(--hf-font-head);color:#fff;font-size:28px;font-weight:700;margin-bottom:22px;}
.hf-final-cta .hf-btn-outline{background:#fff;border-color:transparent;}

.hf-faq-item{border-bottom:1px solid var(--hf-border);}
.hf-faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 4px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-family:var(--hf-font-head);font-weight:700;font-size:16px;color:var(--hf-charcoal);text-transform:uppercase;}
.hf-faq-q .hf-plus{font-size:22px;color:var(--hf-gold);transition:transform .25s ease;font-weight:400;}
.hf-faq-item.hf-open .hf-faq-q .hf-plus{transform:rotate(45deg);}
.hf-faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.hf-faq-item.hf-open .hf-faq-a{max-height:400px;}
.hf-faq-a p{padding:0 4px 20px;margin:0;}

footer.hf-footer{background:var(--hf-charcoal);color:#B5AA97;padding-top:52px;}
.hf-foot-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:34px;}
.hf-foot-cols h4{color:#fff;font-size:13px;margin-bottom:16px;text-transform:uppercase;letter-spacing:.04em;}
.hf-foot-cols a{display:block;color:#B5AA97;font-size:14.5px;padding:5px 0;}
.hf-foot-cols a:hover{color:var(--hf-gold-light);}
.hf-foot-logo{font-family:var(--hf-font-head);font-weight:700;font-size:20px;color:#fff;margin-bottom:12px;text-transform:uppercase;}
.hf-foot-logo span{color:var(--hf-crimson);}
.hf-foot-desc{font-size:14px;color:#8B8071;max-width:280px;}
.hf-foot-bottom{border-top:1px solid #3A3128;padding:20px 0;text-align:center;font-size:13px;color:#8B8071;}

.hf-page-hero{padding:44px 0 36px;background:var(--hf-cream);}
.hf-breadcrumb{font-size:13px;color:var(--hf-text-soft);margin-bottom:14px;}
.hf-breadcrumb a{color:var(--hf-crimson);font-weight:800;}

.hf-blog-card{background:#fff;border:1px solid var(--hf-border);border-radius:var(--hf-radius);overflow:hidden;}
.hf-blog-card img{width:100%;height:170px;object-fit:cover;}
.hf-blog-card-body{padding:22px;}
.hf-blog-meta{font-size:12px;color:var(--hf-text-soft);font-weight:800;text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px;}
.hf-blog-card h3{font-size:17px;margin-bottom:8px;font-family:var(--hf-font-head);text-transform:none;}
.hf-blog-card h3 a{color:var(--hf-charcoal);}

.hf-article{max-width:760px;margin:0 auto;}
.hf-article h2{margin-top:36px;}
.hf-article p{font-size:18px;}
.hf-article a{color:var(--hf-crimson);font-weight:700;text-decoration:underline;}
.hf-article a.hf-btn,.hf-article a.hf-btn:hover{color:#fff;text-decoration:none;}
.hf-article img{border-radius:12px;margin:20px 0;height:auto;}

.hf-step-list{max-width:820px;margin:0 auto;}
.hf-step-item{display:flex;gap:18px;background:#fff;border:1px solid var(--hf-border);border-radius:var(--hf-radius-sm);padding:18px 22px;margin-bottom:14px;align-items:flex-start;}
.hf-step-num{width:32px;height:32px;border-radius:50%;background:var(--hf-cream);color:var(--hf-crimson);font-weight:800;display:flex;align-items:center;justify-content:center;flex:none;font-family:var(--hf-font-head);}
.hf-step-item h3{font-size:16px;margin-bottom:4px;}
.hf-step-item p{font-size:14.5px;margin:0;}

.hf-form{background:#fff;border:1px solid var(--hf-border);border-radius:var(--hf-radius);padding:34px;max-width:600px;margin:0 auto;}
.hf-form-row{margin-bottom:18px;}
.hf-form-row label{display:block;font-weight:800;font-size:14px;color:var(--hf-charcoal);margin-bottom:6px;}
.hf-form-row input,.hf-form-row textarea{width:100%;padding:13px 14px;border:1.5px solid var(--hf-border);border-radius:8px;font-family:var(--hf-font-body);font-size:15px;background:var(--hf-offwhite);}
.hf-form-row input:focus,.hf-form-row textarea:focus{outline:none;border-color:var(--hf-crimson);}

.hf-safety{background:var(--hf-offwhite);border:1px solid var(--hf-border);border-radius:var(--hf-radius);padding:26px 28px;}
.hf-safety h3{margin-bottom:10px;}
.hf-safety p{margin:0;font-size:15.5px;}

.hf-ref-list a{display:block;padding:12px 0;border-bottom:1px solid var(--hf-border);color:var(--hf-crimson);font-weight:700;}

.hf-ing-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--hf-border);border-radius:var(--hf-radius);overflow:hidden;margin:20px 0;}
.hf-ing-table th,.hf-ing-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--hf-border);font-size:14.5px;}
.hf-ing-table th{background:var(--hf-cream);font-family:var(--hf-font-head);color:var(--hf-charcoal);text-transform:uppercase;font-size:13px;}
.hf-ing-table tr:last-child td{border-bottom:none;}

.hf-mt-40{margin-top:40px;}
.hf-small{font-size:13px;color:var(--hf-text-soft);}

.hf-reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease;}
.hf-reveal-in{opacity:1;transform:translateY(0);}

@media (max-width:980px){
  .hf-hero-grid,.hf-split{grid-template-columns:1fr;gap:34px;}
  .hf-split.hf-reverse .hf-split-media{order:0;}
  .hf-badges-grid{grid-template-columns:repeat(2,1fr);}
  .hf-num-grid,.hf-price-grid,.hf-grid-3{grid-template-columns:repeat(2,1fr);}
  .hf-testi-grid{grid-template-columns:repeat(2,1fr);}
  .hf-list-grid,.hf-grid-2{grid-template-columns:1fr;}
  .hf-foot-cols{grid-template-columns:1fr 1fr;}
  .hf-price-card.hf-featured{transform:none;}
}
@media (max-width:680px){
  body{font-size:17px;padding-bottom:78px;}
  section{padding:42px 0;}
  .hf-hero-media{order:1;}
  .hf-hero-text{order:2;}
  .hf-nav-links{position:fixed;top:0;right:0;height:100vh;width:78%;max-width:320px;background:#fff;flex-direction:column;align-items:flex-start;padding:90px 28px 28px;gap:22px;box-shadow:-8px 0 30px rgba(0,0,0,.2);transform:translateX(100%);transition:transform .3s ease;z-index:200;}
  .hf-nav-links.hf-open{transform:translateX(0);}
  .hf-nav-toggle{display:block;z-index:210;}
  .hf-badges-grid,.hf-num-grid,.hf-testi-grid,.hf-price-grid,.hf-grid-3,.hf-foot-cols{grid-template-columns:1fr;}
  .hf-hero-stats{grid-template-columns:repeat(3,1fr);}
  .hf-price-card.hf-featured{transform:none;}
  .hf-callout{flex-direction:row;padding:18px;}
  .hf-final-cta{padding:38px 20px;}
  .hf-topstrip{gap:12px;font-size:11px;}
  .hf-rating{padding:20px;gap:16px;}
  .hf-sticky-cta-text span{display:none;}
  .hf-ing-table{display:block;overflow-x:auto;}
}