/* AudiLeaf USA — audileafusa.com — unique prefix: alf- */
:root{
  --alf-teal:#134e4a;
  --alf-teal-dark:#0b332f;
  --alf-teal-light:#1f7a6e;
  --alf-gold:#c9962f;
  --alf-gold-light:#e8c874;
  --alf-blush:#f3c6c6;
  --alf-cream:#faf7f0;
  --alf-paper:#ffffff;
  --alf-ink:#1b2422;
  --alf-ink-soft:#4b5956;
  --alf-line:#e4ddce;
  --alf-success:#2f7d53;
  --alf-radius:16px;
  --alf-shadow:0 18px 40px -22px rgba(19,78,74,.35);
  --alf-font-display:'Sora',system-ui,-apple-system,sans-serif;
  --alf-font-body:'Mulish',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  margin:0;font-family:var(--alf-font-body);color:var(--alf-ink);
  background:var(--alf-cream);line-height:1.65;font-size:18px;
  overflow-x:clip;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--alf-font-display);color:var(--alf-teal-dark);line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(26px,4.2vw,32px);font-weight:800}
h2{font-size:clamp(22px,3.4vw,28px);font-weight:800}
h3{font-size:clamp(18px,2.4vw,21px);font-weight:700}
p{margin:0 0 1em}
.alf-wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.alf-eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--alf-teal-light);background:rgba(31,122,110,.09);padding:6px 14px;border-radius:999px;margin-bottom:12px}
.alf-center{text-align:center}
.alf-section{padding:64px 0}
.alf-section--alt{background:var(--alf-paper)}
.alf-section--dark{background:linear-gradient(160deg,var(--alf-teal-dark),var(--alf-teal) 70%);color:#eaf3f0}
.alf-section--dark h2,.alf-section--dark h3{color:#fff}
.alf-section--dark .alf-eyebrow{background:rgba(255,255,255,.12);color:var(--alf-gold-light)}
.alf-lede{font-size:19px;color:var(--alf-ink-soft);max-width:680px;margin:0 auto 1.2em}

/* Buttons */
.alf-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;font-family:var(--alf-font-display);font-weight:700;font-size:16px;border:2px solid transparent;cursor:pointer;transition:.2s transform,.2s box-shadow}
.alf-btn--primary{background:linear-gradient(135deg,var(--alf-gold-light),var(--alf-gold));color:var(--alf-teal-dark);box-shadow:0 10px 24px -10px rgba(201,150,47,.6)}
.alf-btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 28px -10px rgba(201,150,47,.7)}
.alf-btn--outline{background:transparent;border-color:currentColor;color:var(--alf-teal-dark)}
.alf-section--dark .alf-btn--outline{color:#fff}
.alf-btn--block{width:100%}
.alf-secure{font-size:13px;color:var(--alf-ink-soft);margin-top:8px;display:flex;align-items:center;gap:6px;justify-content:center}

/* Announcement + header */
.alf-announce{background:var(--alf-teal-dark);color:#fdf3df;text-align:center;font-size:14px;padding:8px 16px}
.alf-header{position:sticky;top:0;z-index:50;background:rgba(250,247,240,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--alf-line)}
.alf-header__inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:1180px;margin:0 auto}
.alf-logo{font-family:var(--alf-font-display);font-weight:800;font-size:1.45rem;color:var(--alf-teal-dark)}
.alf-logo span{color:var(--alf-gold)}
.alf-nav{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:600}
.alf-nav a:not(.alf-btn){color:var(--alf-ink-soft)}
.alf-nav a:not(.alf-btn):hover{color:var(--alf-teal)}
.alf-nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--alf-teal-dark)}

/* Hero */
.alf-hero{padding:48px 0 56px}
.alf-hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.alf-hero__bullets{list-style:none;margin:18px 0;padding:0;display:grid;gap:10px}
.alf-hero__bullets li{display:flex;gap:10px;align-items:flex-start;font-weight:600;color:var(--alf-ink)}
.alf-hero__bullets li svg{flex:0 0 auto;margin-top:3px;color:var(--alf-success)}
.alf-hero__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0}
.alf-stat{background:#fff;border:1px solid var(--alf-line);border-radius:12px;padding:12px 8px;text-align:center}
.alf-stat b{display:block;font-family:var(--alf-font-display);font-size:18px;color:var(--alf-teal-dark)}
.alf-stat span{font-size:12px;color:var(--alf-ink-soft)}
.alf-hero__media{text-align:center}
.alf-hero__imgwrap{position:relative;max-width:440px;margin:0 auto}
.alf-hero__imgwrap img{max-width:100%;margin:0 auto;filter:drop-shadow(0 30px 40px rgba(19,78,74,.25))}
.alf-badge-float{position:absolute;background:#fff;border-radius:12px;padding:8px 14px;box-shadow:var(--alf-shadow);font-size:13px;font-weight:700;display:flex;align-items:center;gap:6px;max-width:150px}
.alf-badge-float--top{top:10px;left:0;color:var(--alf-gold)}
.alf-badge-float--bottom{bottom:10px;right:0;color:var(--alf-success)}

/* illustrative diagram card */
.alf-diagram-card{margin:22px auto 0;max-width:420px;background:#fff;border:1px solid var(--alf-line);border-radius:14px;padding:16px;box-shadow:var(--alf-shadow)}
.alf-diagram-card__title{font-size:12px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--alf-teal-light);margin-bottom:8px;text-align:center}
.alf-diagram-card svg{width:100%;height:auto}
.alf-diagram-legend{display:flex;justify-content:center;gap:18px;margin-top:8px;font-size:12px;color:var(--alf-ink-soft)}
.alf-diagram-legend span{display:inline-flex;align-items:center;gap:5px}
.alf-dot{width:9px;height:9px;border-radius:50%;display:inline-block}
.alf-diagram-caption{font-size:11px;color:var(--alf-ink-soft);text-align:center;margin-top:6px;font-style:italic}

/* trust strip */
.alf-trust{display:flex;flex-wrap:wrap;gap:22px;justify-content:center;align-items:center;margin-top:28px;padding-top:22px;border-top:1px solid var(--alf-line)}
.alf-trust img{height:46px;width:auto}

/* Why choose 4 cards */
.alf-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.alf-card{background:#fff;border:1px solid var(--alf-line);border-radius:var(--alf-radius);padding:22px;box-shadow:var(--alf-shadow)}
.alf-card__icon{width:46px;height:46px;border-radius:12px;background:rgba(201,150,47,.12);display:flex;align-items:center;justify-content:center;color:var(--alf-gold);margin-bottom:12px}

/* wave divider */
.alf-wave{display:block;width:100%;line-height:0}
.alf-wave svg{width:100%;height:60px;display:block}

/* CTA band */
.alf-ctaband{background:linear-gradient(135deg,var(--alf-teal),var(--alf-teal-dark));color:#fff;padding:40px 0;text-align:center}
.alf-ctaband h3{color:#fff;margin-bottom:6px}
.alf-ctaband p{color:#d6e9e4;margin-bottom:18px}

/* feature split */
.alf-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.alf-split--rev .alf-split__media{order:2}
.alf-split ul{padding-left:20px;margin:14px 0}
.alf-split li{margin-bottom:8px}

/* steps */
.alf-steps{counter-reset:alfstep;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:10px}
.alf-step{position:relative;background:#fff;border:1px solid var(--alf-line);border-radius:var(--alf-radius);padding:26px 20px 20px}
.alf-step::before{counter-increment:alfstep;content:counter(alfstep);position:absolute;top:-16px;left:20px;width:34px;height:34px;border-radius:50%;background:var(--alf-gold);color:var(--alf-teal-dark);font-family:var(--alf-font-display);font-weight:800;display:flex;align-items:center;justify-content:center}

/* ingredients */
.alf-ing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.alf-ing{background:#fff;border:1px solid var(--alf-line);border-radius:var(--alf-radius);padding:20px;box-shadow:var(--alf-shadow)}
.alf-ing__num{font-family:var(--alf-font-display);font-weight:800;color:var(--alf-gold);font-size:13px}

/* benefits */
.alf-benefit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.alf-benefit{background:#fff;border:1px solid var(--alf-line);border-radius:var(--alf-radius);padding:22px}
.alf-benefit .alf-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--alf-teal-light);background:rgba(31,122,110,.09);padding:4px 10px;border-radius:999px;margin-bottom:8px}

/* pricing */
.alf-pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.alf-price-card{background:#fff;border:2px solid var(--alf-line);border-radius:18px;padding:26px 20px;text-align:center;display:flex;flex-direction:column;position:relative}
.alf-price-card--best{border-color:var(--alf-gold);background:linear-gradient(160deg,var(--alf-teal-dark),var(--alf-teal));color:#fff;transform:translateY(-10px)}
.alf-price-card--best h3,.alf-price-card--best .alf-price-sub{color:#fff}
.alf-ribbon{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--alf-gold);color:var(--alf-teal-dark);font-size:12px;font-weight:800;padding:5px 14px;border-radius:999px;white-space:nowrap}
.alf-price-sub{font-size:13px;color:var(--alf-ink-soft);margin-bottom:10px}
.alf-price-big{font-family:var(--alf-font-display);font-size:38px;font-weight:800;margin:6px 0 0}
.alf-price-big sup{font-size:16px;top:-14px}
.alf-price-per{font-size:13px;opacity:.85;margin-bottom:6px}
.alf-price-day{font-size:12px;opacity:.75;margin-bottom:10px}
.alf-save{display:inline-block;background:rgba(47,125,83,.12);color:var(--alf-success);font-weight:700;font-size:13px;padding:4px 10px;border-radius:999px;margin:6px 0 14px}
.alf-price-card--best .alf-save{background:rgba(255,255,255,.15);color:var(--alf-gold-light)}
.alf-price-total{font-size:13px;margin:10px 0 16px}
.alf-price-total s{opacity:.6;margin-right:6px}
.alf-stock-note{text-align:center;font-size:14px;color:var(--alf-ink-soft);margin-bottom:18px}
.alf-pay-badges{display:flex;gap:8px;justify-content:center;margin-top:12px;font-size:11px;color:var(--alf-ink-soft)}

/* guarantee */
.alf-guarantee{display:grid;grid-template-columns:.4fr .6fr;gap:40px;align-items:center}
.alf-guarantee img{max-width:220px;margin:0 auto}

/* reviews */
.alf-reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.alf-review{background:#fff;border:1px solid var(--alf-line);border-radius:var(--alf-radius);padding:20px;box-shadow:var(--alf-shadow)}
.alf-review__stars{color:var(--alf-gold);margin-bottom:8px}
.alf-review__who{display:flex;align-items:center;gap:10px;margin-top:12px}
.alf-review__who img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.alf-review__who b{display:block;font-size:14px}
.alf-review__who span{font-size:12px;color:var(--alf-ink-soft)}

/* FAQ */
.alf-faq{max-width:780px;margin:0 auto}
.alf-faq details{background:#fff;border:1px solid var(--alf-line);border-radius:12px;margin-bottom:10px;padding:14px 18px}
.alf-faq summary{cursor:pointer;font-weight:700;font-family:var(--alf-font-display);list-style:none;display:flex;justify-content:space-between;align-items:center}
.alf-faq summary::-webkit-details-marker{display:none}
.alf-faq summary::after{content:'+';font-size:22px;color:var(--alf-gold)}
.alf-faq details[open] summary::after{content:'–'}
.alf-faq p{margin-top:10px;color:var(--alf-ink-soft)}

/* label / supplement facts */
.alf-label{max-width:460px;margin:0 auto;background:#fff;border:2px solid var(--alf-ink);padding:18px}
.alf-label table{width:100%;border-collapse:collapse;font-size:14px}
.alf-label td,.alf-label th{border-top:1px solid var(--alf-ink);padding:5px 0;text-align:left}
.alf-label th{text-align:right}

/* references */
.alf-ref-list{columns:2;column-gap:40px;font-size:14px;color:var(--alf-ink-soft)}
.alf-ref-list li{margin-bottom:10px;break-inside:avoid}
.alf-ref-list a{color:var(--alf-teal-light);text-decoration:underline}

/* footer */
.alf-footer{background:var(--alf-teal-dark);color:#cfe3de;padding:48px 0 20px;font-size:14px}
.alf-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;margin-bottom:28px}
.alf-footer h4{color:#fff;font-size:14px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:12px}
.alf-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.alf-footer a:hover{color:#fff}
.alf-footer__legal{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;font-size:12px;color:#9fb8b1;line-height:1.7}
.alf-footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:14px;font-size:12px;color:#8ba9a1}

/* sticky mobile cta */
.alf-stickybar{position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--alf-line);padding:10px 16px;display:none;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 -10px 24px -16px rgba(0,0,0,.2)}
.alf-stickybar strong{font-family:var(--alf-font-display);color:var(--alf-teal-dark)}
.alf-stickybar small{display:block;color:var(--alf-ink-soft);font-size:11px}

/* back to top */
.alf-top{position:fixed;right:18px;bottom:84px;width:42px;height:42px;border-radius:50%;background:var(--alf-teal-dark);color:#fff;display:none;align-items:center;justify-content:center;z-index:55;cursor:pointer;box-shadow:var(--alf-shadow)}

/* reveal animation */
.alf-reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.alf-reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.alf-reveal{opacity:1;transform:none;transition:none}}

/* blog */
.alf-blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.alf-blog-card{background:#fff;border:1px solid var(--alf-line);border-radius:var(--alf-radius);overflow:hidden;box-shadow:var(--alf-shadow)}
.alf-blog-card__body{padding:18px}
.alf-blog-card__tag{font-size:12px;font-weight:700;color:var(--alf-teal-light)}
.alf-prose{max-width:760px;margin:0 auto}
.alf-prose h2{margin-top:1.4em}
.alf-prose table{width:100%;border-collapse:collapse;margin:1em 0}
.alf-prose th,.alf-prose td{border:1px solid var(--alf-line);padding:8px 10px;text-align:left;font-size:15px}
.alf-breadcrumb{font-size:13px;color:var(--alf-ink-soft);margin-bottom:10px}
.alf-breadcrumb a{color:var(--alf-teal-light)}
.alf-backlink-row{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0}
.alf-chip{display:inline-block;background:#fff;border:1px solid var(--alf-line);border-radius:999px;padding:8px 16px;font-size:13px;font-weight:600;color:var(--alf-teal-dark)}
.alf-chip:hover{border-color:var(--alf-teal)}

/* pros cons */
.alf-proscons{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.alf-proscons .alf-card h3{display:flex;align-items:center;gap:8px}

/* shipping strip */
.alf-strip{display:flex;flex-wrap:wrap;gap:28px;justify-content:center;align-items:center;text-align:center}
.alf-strip__item{max-width:220px}
.alf-strip__item b{display:block;font-family:var(--alf-font-display);color:var(--alf-teal-dark)}

/* legal pages (self-contained) */
.alf-legal{font-family:var(--alf-font-body);background:var(--alf-cream);color:var(--alf-ink);margin:0}
.alf-legal nav{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:#fff;border-bottom:1px solid var(--alf-line)}
.alf-legal main{max-width:760px;margin:0 auto;padding:40px 20px 70px}
.alf-legal h1{font-size:26px}
.alf-legal h2{font-size:19px;margin-top:1.4em}

@media (max-width:980px){
  .alf-hero__grid,.alf-split,.alf-guarantee{grid-template-columns:1fr}
  .alf-split--rev .alf-split__media{order:0}
  .alf-grid-4,.alf-ing-grid,.alf-reviews-grid,.alf-pricing,.alf-steps,.alf-benefit-grid,.alf-proscons,.alf-blog-grid{grid-template-columns:repeat(2,1fr)}
  .alf-footer__grid{grid-template-columns:1fr 1fr}
  .alf-price-card--best{transform:none}
}
@media (max-width:640px){
  .alf-nav{position:fixed;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:18px 20px;border-bottom:1px solid var(--alf-line);display:none;gap:14px}
  .alf-nav.is-open{display:flex}
  .alf-nav-toggle{display:block}
  .alf-hero__stats,.alf-grid-4,.alf-ing-grid,.alf-reviews-grid,.alf-pricing,.alf-steps,.alf-benefit-grid,.alf-proscons,.alf-blog-grid,.alf-footer__grid{grid-template-columns:1fr}
  .alf-ref-list{columns:1}
  .alf-stickybar{display:flex}
  .alf-top{display:flex}
  body{padding-bottom:64px}
  .alf-section{padding:46px 0}
}