/* ============================================================
   Project AD Research — Theme
   Layout mirrors aminoclub.com (REFERENCE.md), styled in the
   Project AD brand system. Vanilla CSS, no build step.
   ============================================================ */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);color:var(--ad-fg);background:var(--ad-bg);
  font-size:var(--t-body);line-height:var(--lh-loose);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ad-blue);outline-offset:2px}

/* ---------- Layout ---------- */
.ad-container{max-width:var(--container);margin:0 auto;padding:0 clamp(20px,4vw,48px);width:100%}
.ad-container--narrow{max-width:var(--container-narrow)}
.ad-section{padding:clamp(56px,8vw,112px) 0}
.ad-section--tight{padding:clamp(40px,5vw,64px) 0}
.ad-section--tint-blue{background:var(--ad-tint-blue)}
.ad-section--tint-pink{background:var(--ad-tint-pink)}
.ad-section--neutral{background:var(--ad-paper)}
.ad-section--ink{background:var(--ad-ink);color:var(--ad-fg-on-dark,#fff)}
.ad-section--ink .ad-body,.ad-section--ink .ad-body-l{color:rgba(255,255,255,.72)}

/* ---------- Type helpers ---------- */
.ad-eyebrow{font-family:var(--font-display);font-weight:600;font-size:var(--t-eyebrow);letter-spacing:var(--tr-eyebrow);text-transform:uppercase;color:var(--ad-fg-3);margin:0 0 var(--s-4)}
.ad-display-1{font-family:var(--font-display);font-size:clamp(48px,7.5vw,84px);font-weight:700;line-height:1.04;letter-spacing:-0.03em;text-transform:none;margin:0;text-wrap:balance}
.ad-h1{font-family:var(--font-display);font-size:clamp(34px,4.6vw,52px);font-weight:700;line-height:1.08;letter-spacing:-0.025em;text-transform:none;margin:0;text-wrap:balance}
.ad-h2{font-family:var(--font-display);font-size:clamp(28px,3.6vw,40px);font-weight:700;line-height:1.12;letter-spacing:-0.02em;text-transform:none;margin:0;text-wrap:balance}
.ad-h3{font-family:var(--font-display);font-size:var(--t-h3);font-weight:600;line-height:1.2;letter-spacing:-0.015em;margin:0}
.ad-h4{font-family:var(--font-display);font-size:var(--t-h4);font-weight:700;line-height:var(--lh-snug);margin:0}
.ad-h5{font-family:var(--font-display);font-size:var(--t-h5);font-weight:600;line-height:var(--lh-normal);margin:0}
.ad-body-l{font-size:var(--t-body-l);line-height:var(--lh-loose);color:var(--ad-fg-2);margin:0}
.ad-body{font-size:var(--t-body);line-height:var(--lh-loose);color:var(--ad-fg-2);margin:0}
.ad-body-s{font-size:var(--t-body-s);line-height:var(--lh-normal);color:var(--ad-fg-2);margin:0}
.ad-caption{font-size:var(--t-caption);line-height:var(--lh-normal);color:var(--ad-fg-3);margin:0}
.ad-gradient-text{background:var(--ad-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.ad-section-head{text-align:center;max-width:640px;margin:0 auto clamp(32px,5vw,56px)}
.ad-section-head .ad-body,.ad-section-head .ad-body-l{margin-top:var(--s-4)}
.ad-tone-light .ad-eyebrow{color:rgba(255,255,255,.6)}

/* ---------- Buttons / pills ---------- */
.ad-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--s-2);font-family:var(--font-ui);
  font-weight:500;font-size:var(--t-body-s);letter-spacing:0;border:1px solid transparent;border-radius:var(--r-pill);
  padding:0 22px;height:44px;transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease);white-space:nowrap}
.ad-btn:active{transform:scale(.97)}
.ad-btn--ink{background:var(--ad-ink);color:#fff}
.ad-btn--ink:hover{background:var(--ad-graphite)}
.ad-btn--outline{background:transparent;color:var(--ad-ink);border-color:var(--ad-border-strong)}
.ad-btn--outline:hover{border-color:var(--ad-ink);background:var(--ad-snow)}
.ad-btn--gradient{background:var(--ad-gradient);background-size:160% 100%;background-position:0 0;color:#fff;font-weight:600}
.ad-btn--gradient:hover{background-position:100% 0;box-shadow:var(--shadow-glow-blue)}
.ad-btn--light{background:#fff;color:var(--ad-ink)}
.ad-btn--light:hover{box-shadow:var(--shadow-2)}
.ad-btn--lg{height:52px;padding:0 30px;font-size:var(--t-body)}
.ad-btn--block{display:flex;width:100%}
.ad-btn[disabled],.ad-btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}
.ad-btn svg{width:16px;height:16px}

.ad-chip{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--ad-snow);color:var(--ad-slate);font-size:var(--t-body-s);font-weight:500;border:1px solid transparent;
  transition:all var(--dur) var(--ease);cursor:pointer}
.ad-chip:hover{background:#ECEDF0}
.ad-chip.is-active{background:var(--ad-ink);color:#fff}
.ad-chip--static{cursor:default}
.ad-badge{display:inline-flex;align-items:center;gap:5px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--ad-tint-blue);color:var(--ad-blue-deep);font-size:var(--t-caption);font-weight:600;letter-spacing:.02em}
.ad-badge--gradient{background:var(--ad-gradient-soft);color:var(--ad-pink-deep)}
.ad-badge--success{background:rgba(16,185,129,.12);color:#0B7A5B}

/* ---------- Header / nav ---------- */
.ad-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--ad-hair)}
.ad-nav{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h)}
.ad-nav__logo{display:inline-flex;align-items:center}
.ad-nav__logo img{height:34px;width:auto;display:block}
.ad-nav__links{display:flex;align-items:center;gap:clamp(18px,2.5vw,36px)}
.ad-nav__links a{font-size:var(--t-body-s);font-weight:500;color:var(--ad-slate);transition:color var(--dur) var(--ease)}
.ad-nav__links a:hover{color:var(--ad-ink)}
.ad-nav__actions{display:flex;align-items:center;gap:var(--s-4)}
.ad-nav__icon{display:inline-flex;position:relative;color:var(--ad-ink)}
.ad-nav__icon svg{width:22px;height:22px}
.ad-cart-count{position:absolute;top:-8px;right:-9px;min-width:18px;height:18px;padding:0 4px;border-radius:var(--r-pill);
  background:var(--ad-ink);color:#fff;font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center}
.ad-nav__toggle{display:none;background:none;border:0;color:var(--ad-ink)}
.ad-nav__toggle svg{width:26px;height:26px}
/* mobile drawer */
.ad-mobile-menu{display:none;flex-direction:column;gap:var(--s-2);padding:var(--s-4) 0;border-top:1px solid var(--ad-hair)}
.ad-mobile-menu a{padding:12px 4px;font-size:var(--t-body);font-weight:500;border-bottom:1px solid var(--ad-hair)}
.ad-header.is-open .ad-mobile-menu{display:flex}

/* ---------- RUO top bar ---------- */
.ad-ruo-bar{background:var(--ad-graphite);color:rgba(255,255,255,.82);font-size:var(--t-caption);text-align:center;padding:8px 16px;letter-spacing:.01em}
.ad-ruo-bar strong{color:#fff;font-weight:600}

/* ---------- Promo banner ---------- */
.ad-promo{background:var(--ad-gradient-diagonal);color:#fff;text-align:center;padding:10px 16px;position:relative;overflow:hidden}
.ad-promo__inner{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;font-family:var(--font-display);
  font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:var(--t-body-s)}
.ad-promo__code{display:inline-flex;align-items:center;gap:6px;background:rgba(11,11,16,.85);border-radius:var(--r-pill);padding:5px 14px;letter-spacing:.1em}
.ad-promo__count{font-variant-numeric:tabular-nums;background:rgba(255,255,255,.18);border-radius:var(--r-pill);padding:4px 12px;letter-spacing:.06em}

/* ---------- Hero ---------- */
.ad-hero{position:relative;overflow:hidden;background:var(--ad-paper)}
.ad-hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(48px,7vw,104px) 0}
.ad-hero__eyebrow{margin-bottom:var(--s-5)}
.ad-hero h1{margin-bottom:var(--s-6)}
.ad-hero__sub{max-width:30ch;margin-bottom:var(--s-8)}
.ad-hero__cta{display:flex;gap:var(--s-4);flex-wrap:wrap}
.ad-hero__media{position:relative;aspect-ratio:1/1;border-radius:var(--r-6);overflow:hidden;background:radial-gradient(120% 120% at 70% 20%,#12121a 0%,#05050a 70%)}
.ad-hero__media img{width:100%;height:100%;object-fit:cover}
.ad-hero__stats{display:flex;gap:clamp(20px,3vw,44px);margin-top:var(--s-8);flex-wrap:wrap}
.ad-hero__stat b{font-family:var(--font-display);font-weight:800;font-size:26px;display:block;line-height:1}
.ad-hero__stat span{font-size:var(--t-caption);color:var(--ad-fg-3)}

/* Video hero (full-bleed background video, dark treatment) */
.ad-hero--video{position:relative;overflow:hidden;background:var(--ad-ink);color:#fff;min-height:clamp(520px,74vh,780px);display:flex;align-items:center}
.ad-hero__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.ad-hero__scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(8,8,12,.92) 0%,rgba(8,8,12,.72) 36%,rgba(8,8,12,.28) 68%,rgba(8,8,12,.12) 100%)}
.ad-hero--video .ad-container{position:relative;z-index:2;width:100%}
.ad-hero__content{max-width:640px;padding:clamp(40px,7vw,88px) 0}
.ad-hero--video .ad-display-1{color:#fff}
.ad-hero--video .ad-hero__eyebrow{color:rgba(255,255,255,.65)}
.ad-hero--video .ad-hero__sub{color:rgba(255,255,255,.82);max-width:44ch}
.ad-hero--video .ad-hero__stats{margin-top:var(--s-8)}
.ad-hero--video .ad-hero__stat b{color:#fff}
.ad-hero--video .ad-hero__stat span{color:rgba(255,255,255,.6)}
@media(max-width:860px){
  .ad-hero__scrim{background:linear-gradient(180deg,rgba(8,8,12,.55) 0%,rgba(8,8,12,.72) 55%,rgba(8,8,12,.9) 100%)}
  .ad-hero__content{max-width:none}
}
@media(prefers-reduced-motion:reduce){ .ad-hero__video{display:none} }

/* ---------- Guarantee rows ---------- */
.ad-guarantees{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s-5)}
.ad-guarantee{position:relative;background:#fff;border:1px solid var(--ad-hair);border-radius:var(--r-6);padding:28px 26px;
  box-shadow:var(--shadow-1);overflow:hidden;display:flex;gap:var(--s-4);align-items:flex-start}
.ad-guarantee::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--ad-gradient)}
.ad-guarantee__icon{flex:0 0 auto;width:46px;height:46px;border-radius:var(--r-3);display:flex;align-items:center;justify-content:center;
  background:var(--ad-tint-blue);color:var(--ad-blue-deep)}
.ad-guarantee__icon svg{width:24px;height:24px}
.ad-guarantee h4{margin-bottom:4px}

/* ---------- Product card ---------- */
.ad-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s-6)}
.ad-card{position:relative;background:var(--ad-card);border-radius:var(--r-6);overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease)}
.ad-card:hover{box-shadow:var(--shadow-3);transform:translateY(-2px)}
.ad-card__media{position:relative;aspect-ratio:4/5;overflow:hidden;background:radial-gradient(120% 120% at 65% 20%,#15151d 0%,#070709 72%)}
.ad-card__media img{width:100%;height:100%;object-fit:contain;padding:0;transform:scale(1.22);transform-origin:center 46%;transition:transform var(--dur-slow) var(--ease),opacity var(--dur) var(--ease)}
.ad-card:hover .ad-card__media img{transform:scale(1.28)}
.ad-card__badge{position:absolute;top:12px;left:12px;z-index:2}
.ad-card__body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.ad-card__title{font-family:var(--font-display);font-weight:700;font-size:var(--t-h5);letter-spacing:var(--tr-snug);color:var(--ad-ink);line-height:1.15}
.ad-card__sub{font-size:var(--t-body-s);color:var(--ad-fg-3)}
.ad-card__foot{margin-top:auto;padding-top:14px;display:flex;flex-direction:column;gap:12px}
.ad-card__price{display:flex;align-items:baseline;gap:6px}
.ad-card__price .from{font-size:var(--t-caption);color:var(--ad-fg-3)}
.ad-card__price .amt{font-family:var(--font-display);font-weight:800;font-size:20px;color:var(--ad-ink)}
.ad-card__price .was{font-size:var(--t-body-s);color:var(--ad-fg-3);text-decoration:line-through}

/* ---------- Carousel ---------- */
.ad-carousel{position:relative}
.ad-carousel__track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 3*var(--s-6))/4);gap:var(--s-6);
  overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding-bottom:8px;scrollbar-width:none}
.ad-carousel__track::-webkit-scrollbar{display:none}
.ad-carousel__track>*{scroll-snap-align:start}
.ad-carousel__nav{position:absolute;top:38%;width:44px;height:44px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--ad-hair);
  box-shadow:var(--shadow-2);display:flex;align-items:center;justify-content:center;color:var(--ad-ink);z-index:3}
.ad-carousel__nav[disabled]{opacity:.35}
.ad-carousel__nav--prev{left:-14px}
.ad-carousel__nav--next{right:-14px}
.ad-carousel__nav svg{width:18px;height:18px}
.ad-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:var(--s-7)}

/* ---------- Store controls ---------- */
.ad-store-controls{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:var(--s-6);flex-wrap:wrap}
.ad-search{position:relative;flex:1;max-width:420px}
.ad-search input{width:100%;height:46px;border-radius:var(--r-pill);border:1px solid var(--ad-hair);background:var(--ad-paper);
  padding:0 18px 0 46px;font-size:var(--t-body);color:var(--ad-ink)}
.ad-search input::placeholder{color:var(--ad-mute)}
.ad-search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--ad-mute)}
.ad-sort{display:flex;align-items:center;gap:10px;font-size:var(--t-body-s);color:var(--ad-fg-3)}
.ad-sort select{height:44px;border-radius:var(--r-pill);border:1px solid var(--ad-hair);background:#fff;padding:0 40px 0 18px;
  font-size:var(--t-body-s);color:var(--ad-ink);appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238A8A95' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.ad-chips-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:var(--s-8)}
.ad-chips-row--scroll{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.ad-chips-row--scroll::-webkit-scrollbar{display:none}

/* ---------- Bento ---------- */
.ad-bento{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s-5)}
.ad-bento__cell{background:#fff;border:1px solid var(--ad-hair);border-radius:var(--r-6);padding:28px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow-1)}
.ad-bento__cell--wide{grid-column:span 3;flex-direction:row;align-items:center;justify-content:space-between}
.ad-bento__icon{width:44px;height:44px;border-radius:var(--r-3);background:var(--ad-tint-pink);color:var(--ad-pink-deep);display:flex;align-items:center;justify-content:center}
.ad-bento__icon svg{width:24px;height:24px}
.ad-bento__cell .ad-btn{align-self:flex-start;margin-top:4px}

/* ---------- Trust "quality you can verify" ---------- */
.ad-trust{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,64px);align-items:center}
.ad-stats{display:flex;gap:clamp(16px,2.4vw,40px);margin-bottom:var(--s-7);flex-wrap:nowrap}
.ad-stat b{font-family:var(--font-display);font-weight:800;font-size:clamp(38px,4.4vw,64px);display:block;line-height:1;letter-spacing:-0.02em;white-space:nowrap}
.ad-stat b .ad-gradient-text{font-size:inherit;background:var(--ad-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.ad-stat>span{font-size:var(--t-body-s);color:var(--ad-fg-3);display:block;margin-top:6px}
.ad-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:var(--s-6)}
.ad-tab{height:38px;padding:0 16px;border-radius:var(--r-pill);background:var(--ad-snow);color:var(--ad-slate);font-size:var(--t-body-s);font-weight:500;border:0;display:inline-flex;align-items:center;gap:6px;transition:all var(--dur) var(--ease)}
.ad-tab.is-active{background:var(--ad-ink);color:#fff}
.ad-tabpanel{background:#fff;border:1px solid var(--ad-hair);border-radius:var(--r-5);padding:26px;box-shadow:var(--shadow-1);display:none}
.ad-tabpanel.is-active{display:block;animation:adFade var(--dur) var(--ease)}
.ad-tabpanel__why{margin-top:16px;padding:14px 16px;background:rgba(16,185,129,.07);border-left:3px solid var(--ad-success);border-radius:0 var(--r-2) var(--r-2) 0}
.ad-trust__media{position:relative;aspect-ratio:1/1;border-radius:var(--r-6);overflow:hidden;background:radial-gradient(120% 120% at 60% 25%,#15151d,#06060a)}
.ad-trust__media img{width:100%;height:100%;object-fit:contain;padding:8%}
.ad-trust__media--video{aspect-ratio:9/16;max-width:380px;width:100%;margin:0 auto;background:#06060a}
.ad-trust__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ad-proof{position:absolute;left:16px;right:16px;bottom:16px;background:#fff;color:var(--ad-ink);border-radius:var(--r-4);padding:14px 16px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-2)}
.ad-proof b,.ad-proof .ad-h5{color:var(--ad-ink)}
.ad-proof svg{color:var(--ad-ink)}

/* ---------- Reconstitution calculator ---------- */
.ad-calc{background:#fff;border:1px solid var(--ad-hair);border-radius:var(--r-6);padding:clamp(24px,4vw,44px);box-shadow:var(--shadow-2);max-width:920px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,48px)}
.ad-calc__field{margin-bottom:18px}
.ad-calc__field label{display:block;font-size:var(--t-body-s);font-weight:500;margin-bottom:8px;color:var(--ad-fg)}
.ad-calc__field input,.ad-calc__field select{width:100%;height:48px;border-radius:var(--r-3);border:1px solid var(--ad-hair);background:var(--ad-paper);padding:0 16px;font-size:var(--t-body);color:var(--ad-ink)}
.ad-calc__out{background:var(--ad-ink);color:#fff;border-radius:var(--r-5);padding:24px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.ad-calc__result b{font-family:var(--font-display);font-weight:800;font-size:40px;line-height:1;display:block}
.ad-calc__result .u{font-size:var(--t-body-s);color:rgba(255,255,255,.6)}
.ad-calc__row{display:flex;justify-content:space-between;padding:8px 0;border-top:1px solid rgba(255,255,255,.12);font-size:var(--t-body-s)}
.ad-calc__row span:first-child{color:rgba(255,255,255,.6)}

/* ---------- FAQ ---------- */
.ad-faq{max-width:820px;margin:0 auto}
.ad-faq__item{border-bottom:1px solid var(--ad-hair)}
.ad-faq__q{width:100%;background:none;border:0;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;font-family:var(--font-display);font-weight:700;font-size:var(--t-h5);color:var(--ad-ink)}
.ad-faq__q svg{flex:0 0 auto;width:20px;height:20px;color:var(--ad-mute);transition:transform var(--dur) var(--ease)}
.ad-faq__item.is-open .ad-faq__q svg{transform:rotate(180deg)}
.ad-faq__a{max-height:0;overflow:hidden;transition:max-height var(--dur-slow) var(--ease)}
.ad-faq__a-inner{padding:0 4px 22px}

/* ---------- CTA band ---------- */
.ad-cta{position:relative;overflow:hidden;text-align:center}
.ad-cta__bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;transform:scale(1.12);opacity:.22;filter:saturate(1.05)}
.ad-cta__inner{position:relative;z-index:2;max-width:760px;margin:0 auto;padding:clamp(48px,7vw,96px) 0}
.ad-cta h2{margin-bottom:var(--s-7)}

/* ---------- Newsletter ---------- */
.ad-news{background:var(--ad-gradient-soft);border:1px solid var(--ad-hair);border-radius:var(--r-6);padding:clamp(28px,4vw,48px);
  display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}
.ad-news__form{display:flex;gap:10px}
.ad-news__form input{flex:1;height:48px;border-radius:var(--r-pill);border:1px solid var(--ad-hair);background:#fff;padding:0 18px;font-size:var(--t-body)}

/* ---------- Footer ---------- */
.ad-footer{background:var(--ad-ink);color:rgba(255,255,255,.7);padding:clamp(48px,6vw,80px) 0 32px}
.ad-footer__top{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:32px;margin-bottom:40px}
.ad-footer__brand img{height:34px;margin-bottom:16px}
.ad-footer__social{display:flex;gap:10px;margin-top:18px}
.ad-footer__social a{width:38px;height:38px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;color:#fff;transition:background var(--dur) var(--ease)}
.ad-footer__social a:hover{background:rgba(255,255,255,.1)}
.ad-footer__social svg{width:18px;height:18px}
.ad-footer__col h5{color:#fff;font-family:var(--font-display);font-weight:600;font-size:var(--t-caption);letter-spacing:var(--tr-eyebrow);text-transform:uppercase;margin:0 0 16px}
.ad-footer__col a{display:block;padding:6px 0;font-size:var(--t-body-s);color:rgba(255,255,255,.65)}
.ad-footer__col a:hover{color:#fff}
.ad-disclaimer{background:var(--ad-graphite);border-radius:var(--r-4);border-left:3px solid var(--ad-warning);padding:20px 24px;margin:8px 0 32px;font-size:var(--t-body-s);color:rgba(255,255,255,.6)}
.ad-disclaimer strong{color:rgba(255,255,255,.9)}
.ad-disclaimer h6{margin:0 0 8px;color:var(--ad-warning);font-size:var(--t-caption);letter-spacing:var(--tr-eyebrow);text-transform:uppercase}
.ad-footer__bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:var(--t-caption)}
.ad-footer__chips{display:flex;gap:18px;flex-wrap:wrap}
.ad-footer__chips span{display:inline-flex;align-items:center;gap:6px}

/* ---------- Researcher gate ---------- */
.ad-gate{position:fixed;inset:0;z-index:200;background:rgba(250,250,252,.85);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:20px}
.ad-gate__card{background:#fff;border-radius:var(--r-6);box-shadow:var(--shadow-4,0 32px 64px rgba(0,0,0,.18));max-width:520px;width:100%;padding:clamp(28px,4vw,44px)}
.ad-gate__check{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--ad-hair);border-radius:var(--r-4);padding:16px;margin-bottom:12px;cursor:pointer}
.ad-gate__check input{margin-top:3px;width:18px;height:18px;flex:0 0 auto}

/* ---------- Marquee ---------- */
.ad-marquee{overflow:hidden;border-block:1px solid var(--ad-hair);padding:16px 0;background:#fff}
.ad-marquee__track{display:flex;gap:40px;align-items:center;width:max-content;animation:adMarquee 30s linear infinite}
.ad-marquee__track span{font-family:var(--font-display);font-weight:700;text-transform:uppercase;letter-spacing:var(--tr-snug);color:var(--ad-ink);font-size:var(--t-h5)}
.ad-marquee__track img{height:16px;opacity:.5}

/* ---------- PDP ---------- */
.ad-pdp{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);align-items:start}
.ad-pdp__media{position:sticky;top:calc(var(--nav-h) + 16px);aspect-ratio:1/1;border-radius:var(--r-6);overflow:hidden;background:radial-gradient(120% 120% at 60% 25%,#15151d,#06060a)}
.ad-pdp__media img{width:100%;height:100%;object-fit:contain;padding:8%}
.ad-pdp__eyebrow{font-style:italic;color:var(--ad-fg-3);margin-bottom:8px}
.ad-pdp__synonyms{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}
.ad-pdp__syn{border:1px solid var(--ad-hair);border-radius:var(--r-pill);padding:6px 12px;font-size:var(--t-caption);color:var(--ad-slate)}
.ad-pdp__price{font-family:var(--font-display);font-weight:800;font-size:30px;margin:16px 0}
.ad-variants{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 20px}
.ad-variant{height:44px;min-width:72px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--ad-border-strong);background:#fff;font-weight:600;font-size:var(--t-body-s)}
.ad-variant.is-active{background:var(--ad-ink);color:#fff;border-color:var(--ad-ink)}
.ad-qty{display:inline-flex;align-items:center;border:1px solid var(--ad-hair);border-radius:var(--r-pill);height:44px;overflow:hidden}
.ad-qty button{width:44px;height:44px;background:#fff;border:0;font-size:18px;color:var(--ad-ink)}
.ad-qty input{width:48px;text-align:center;border:0;font-size:var(--t-body);height:44px}
.ad-urgency{display:flex;align-items:center;gap:10px;background:rgba(16,185,129,.08);border:1px solid rgba(16,185,129,.25);border-radius:var(--r-4);padding:14px 16px;margin:18px 0;font-size:var(--t-body-s)}
.ad-urgency b{color:#0B7A5B}
.ad-pdp__trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px;font-size:var(--t-caption);color:var(--ad-fg-3)}
.ad-pdp__trust span{display:inline-flex;align-items:center;gap:6px}

/* COA cards */
.ad-coa-grid{display:grid;grid-auto-flow:column;grid-auto-columns:340px;gap:20px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}
.ad-coa-grid::-webkit-scrollbar{display:none}
.ad-coa{background:#fff;border:1px solid var(--ad-hair);border-radius:var(--r-5);padding:22px;box-shadow:var(--shadow-1)}
.ad-coa__chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.ad-coa__pct{font-family:var(--font-display);font-weight:900;font-size:44px;color:var(--ad-success);line-height:1}
.ad-coa__pct small{display:block;font-size:var(--t-caption);color:var(--ad-fg-3);font-weight:600;letter-spacing:var(--tr-eyebrow);text-transform:uppercase}
.ad-coa__table{margin:16px 0;width:100%;font-size:var(--t-body-s)}
.ad-coa__table td{padding:6px 0;border-bottom:1px solid var(--ad-snow)}
.ad-coa__table td:last-child{text-align:right;font-weight:600;color:var(--ad-ink)}
.ad-coa__panel{margin:14px 0}
.ad-coa__panel li{display:flex;justify-content:space-between;padding:5px 0;font-size:var(--t-body-s)}
.ad-coa__panel li b{color:var(--ad-success)}
.ad-coa-empty{background:var(--ad-paper);border:1px dashed var(--ad-border-strong);border-radius:var(--r-5);padding:32px;text-align:center}
/* COA section 2-col layout + AuthentiChain widget sizing */
.ad-coa-layout{display:grid;grid-template-columns:1fr;gap:clamp(24px,4vw,48px)}
.ad-coa-layout--widget{grid-template-columns:0.82fr 1.18fr;align-items:center}
.ad-coa-intro .ad-eyebrow{margin-bottom:12px}
.ad-coa-main{min-width:0}
.ad-coa-main .ad-ac-widget{width:100%;max-width:560px;min-height:360px}
.ad-coa-main .ad-ac-widget iframe{width:100%!important;min-height:360px;border:0;border-radius:var(--r-5)}
@media(max-width:860px){.ad-coa-layout--widget{grid-template-columns:1fr;gap:20px}.ad-coa-main .ad-ac-widget{max-width:none}}

/* Compound spec tables */
.ad-spec{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.ad-spec__card{background:#fff;border:1px solid var(--ad-hair);border-radius:var(--r-5);padding:24px}
.ad-spec__table{width:100%;font-size:var(--t-body-s)}
.ad-spec__table td{padding:8px 0;border-bottom:1px solid var(--ad-snow)}
.ad-spec__table td:first-child{color:var(--ad-fg-3)}
.ad-spec__table td:last-child{text-align:right;font-weight:600}
.ad-storage-card{display:flex;gap:12px;align-items:center;background:var(--ad-paper);border-radius:var(--r-4);padding:14px 16px;margin-top:10px}
.ad-storage-card b{font-size:var(--t-h5)}
.ad-cite-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ad-cite{background:#fff;border:1px solid var(--ad-hair);border-radius:var(--r-4);padding:18px}
.ad-cite__journal{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ad-success);margin-bottom:8px}
.ad-cite__title{font-weight:600;font-size:var(--t-body-s);color:var(--ad-ink);margin-bottom:8px;line-height:1.35}
.ad-cite__meta{font-size:var(--t-caption);color:var(--ad-fg-3)}
.ad-notice{background:rgba(224,67,107,.05);border:1px solid rgba(224,67,107,.2);border-radius:var(--r-5);padding:24px}
.ad-notice h5{color:var(--ad-danger);margin-bottom:10px}
.ad-notice p{font-size:var(--t-body-s);margin-bottom:10px}

/* ---------- Side cart drawer ---------- */
.ad-cart-overlay{position:fixed;inset:0;z-index:190;background:rgba(11,11,16,.5);opacity:0;transition:opacity .26s var(--ease)}
.ad-cart-overlay.is-open{opacity:1}
.ad-cart-drawer{position:fixed;top:0;right:0;height:100dvh;width:420px;max-width:92vw;z-index:200;background:#fff;
  display:flex;flex-direction:column;box-shadow:-16px 0 48px rgba(11,11,16,.18);transform:translateX(100%);
  transition:transform .3s var(--ease)}
.ad-cart-drawer.is-open{transform:none}
.ad-cart-drawer__head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--ad-hair)}
.ad-cart-drawer__close{background:var(--ad-snow);border:0;width:38px;height:38px;border-radius:var(--r-pill);display:flex;align-items:center;justify-content:center;color:var(--ad-ink)}
.ad-cart-drawer__close:hover{background:#E7E8EC}
.ad-cart-drawer__close svg{width:18px;height:18px}
.ad-cart-drawer__body{flex:1;overflow-y:auto;padding:18px 22px}
.ad-cart-drawer__note{text-align:center;padding:12px 22px 18px;border-top:1px solid var(--ad-hair)}
/* WooCommerce mini-cart inside the drawer */
.ad-cart-drawer .woocommerce-mini-cart{list-style:none;margin:0;padding:0}
.ad-cart-drawer .woocommerce-mini-cart-item{display:grid;grid-template-columns:56px 1fr auto;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid var(--ad-hair);position:relative}
.ad-cart-drawer .woocommerce-mini-cart-item img{width:56px;height:56px;object-fit:contain;border-radius:var(--r-2);background:radial-gradient(120% 120% at 60% 25%,#15151d,#06060a)}
.ad-cart-drawer .woocommerce-mini-cart-item a:not(.remove){font-family:var(--font-display);font-weight:600;font-size:var(--t-body-s);color:var(--ad-ink);line-height:1.25;text-decoration:none}
.ad-cart-drawer .woocommerce-mini-cart-item .quantity{display:block;font-size:var(--t-caption);color:var(--ad-fg-3);margin-top:4px}
.ad-cart-drawer .woocommerce-mini-cart-item .remove{order:3;width:24px;height:24px;border-radius:var(--r-pill);background:var(--ad-snow);color:var(--ad-fg-3)!important;display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;text-decoration:none}
.ad-cart-drawer .woocommerce-mini-cart-item .remove:hover{background:var(--ad-danger);color:#fff!important}
.ad-cart-drawer .woocommerce-mini-cart__total{display:flex;align-items:center;justify-content:space-between;padding:18px 0 14px;font-family:var(--font-display);font-weight:700;font-size:var(--t-h5)}
.ad-cart-drawer .woocommerce-mini-cart__total .amount{color:var(--ad-ink)}
.ad-cart-drawer .woocommerce-mini-cart__buttons{display:flex;flex-direction:column;gap:10px;padding:0}
.ad-cart-drawer .woocommerce-mini-cart__buttons a{display:flex;align-items:center;justify-content:center;height:48px;border-radius:var(--r-pill);font-family:var(--font-ui);font-weight:500;font-size:var(--t-body);text-decoration:none;transition:all var(--dur) var(--ease)}
.ad-cart-drawer .woocommerce-mini-cart__buttons a:not(.checkout){background:transparent;color:var(--ad-ink);border:1px solid var(--ad-border-strong);order:2}
.ad-cart-drawer .woocommerce-mini-cart__buttons a.checkout{background:var(--ad-ink);color:#fff;order:1}
.ad-cart-drawer .woocommerce-mini-cart__buttons a.checkout:hover{background:var(--ad-graphite)}
.ad-cart-drawer .woocommerce-mini-cart__empty-message{text-align:center;color:var(--ad-fg-3);padding:40px 0;font-size:var(--t-body-s)}
/* quick add-to-cart loading/added states (Woo toggles classes) */
.ad-btn.ajax_add_to_cart.loading{opacity:.6;pointer-events:none}
.ad-btn.ajax_add_to_cart.added{background:var(--ad-success)}
@media(max-width:560px){ .ad-cart-drawer{width:100vw} }

/* ---------- Motion utils ---------- */
.ad-reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.ad-reveal.is-in{opacity:1;transform:none}
@keyframes adFade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@keyframes adMarquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Responsive ---------- */
@media(max-width:1100px){
  .ad-grid{grid-template-columns:repeat(3,1fr)}
  .ad-carousel__track{grid-auto-columns:calc((100% - 2*var(--s-6))/3)}
  .ad-footer__top{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:860px){
  .ad-nav__links{display:none}
  .ad-nav__toggle{display:inline-flex}
  .ad-hero__grid{grid-template-columns:1fr}
  .ad-hero__media{order:-1;max-width:440px}
  .ad-guarantees,.ad-bento{grid-template-columns:1fr}
  .ad-bento__cell--wide{flex-direction:column;align-items:flex-start}
  .ad-trust,.ad-pdp,.ad-calc,.ad-news{grid-template-columns:1fr}
  .ad-spec{grid-template-columns:1fr}
  .ad-cite-grid{grid-template-columns:1fr 1fr}
  .ad-pdp__media{position:static}
}
@media(max-width:560px){
  .ad-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .ad-carousel__track{grid-auto-columns:78%}
  .ad-footer__top{grid-template-columns:1fr 1fr}
  .ad-cite-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .ad-reveal{opacity:1;transform:none}
}

/* ---- Subscription option line (WooCommerce Subscriptions / All Products for Subscriptions) ----
   Plugin appends "— or <del> <ins> every 21 days" inline after the price; break it onto its own
   line — smaller, accent colour — on cards and the PDP. (Nick, 2026-07-29) */
.wcsatt-sub-options{display:block;font-size:13px;font-weight:600;color:var(--ad-pink-deep);margin-top:3px;line-height:1.45}
.wcsatt-sub-options .wcsatt-dash{display:none}
.wcsatt-sub-options del{opacity:.5;font-weight:400}
.wcsatt-sub-options ins{text-decoration:none;font-weight:700}
.ad-card__price{flex-wrap:wrap}