/* ===========================================================
   PEPTURION PRODUCT TEMPLATE — Black & White Theme
   Prefix: ptn-
   Enqueue this ONCE via functions.php (see functions-snippet.php)
   =========================================================== */

.ptn-wrap{
  --ptn-white:#FFFFFF;
  --ptn-offwhite:#FAFAF8;
  --ptn-black:#0A0A0A;
  --ptn-charcoal:#1C1C1C;
  --ptn-gray-700:#4A4A4A;
  --ptn-gray-500:#8C8C8C;
  --ptn-gray-300:#D6D6D4;
  --ptn-border:rgba(10,10,10,0.12);
  --ptn-border-strong:rgba(10,10,10,0.28);
  --ptn-sans:'Inter',sans-serif;
  --ptn-mono:'JetBrains Mono',monospace;
  background:var(--ptn-white);
  color:var(--ptn-black);
  font-family:var(--ptn-sans);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  /* Block/FSE themes constrain content to a narrow column via theme.json.
     This breaks .ptn-wrap out to the full viewport width regardless of
     that constraint — it does NOT touch position/sticky behavior, so it
     can't conflict with the sticky gallery below. */
  width:100vw;
  max-width:100vw;
  margin-left:calc(50% - 50vw);
  margin-right:calc(50% - 50vw);
}
.ptn-wrap *,.ptn-wrap *::before,.ptn-wrap *::after{box-sizing:border-box;}

/* ===================== FSE / BLOCK-THEME FULL-BLEED BREAKOUT =====================
   Many block themes constrain .entry-content / .wp-block-post-content to a
   narrow "content width" from theme.json. This breaks our layout out to full
   viewport width without touching the theme itself. Does NOT disable position:
   sticky or override the hero grid — those stay defined once, below, only. */
body.single-product .entry-content,
body.single-product .wp-block-post-content,
body.single-product .wp-block-shortcode{
  max-width:none;
  width:100%;
  margin-left:0;
  margin-right:0;
  padding-left:0;
  padding-right:0;
}
.ptn-wrap{
  width:100vw;
  max-width:100vw;
  margin-left:calc(50% - 50vw);
  margin-right:calc(50% - 50vw);
}

.ptn-inner{max-width:1200px;margin:0 auto;padding:0 20px;}
.ptn-img-ph{background:var(--ptn-offwhite);border:1px solid var(--ptn-border);display:flex;align-items:center;justify-content:center;font-family:var(--ptn-mono);font-size:10px;color:var(--ptn-gray-500);letter-spacing:1.5px;text-transform:uppercase;}
.ptn-eyebrow{font-family:var(--ptn-mono);font-size:10px;letter-spacing:2.5px;text-transform:uppercase;color:var(--ptn-gray-700);font-weight:500;}
.ptn-section-title{font-family:var(--ptn-sans);font-size:clamp(30px,7vw,46px);font-weight:300;letter-spacing:-1.3px;line-height:1.15;padding-bottom:0.18em;color:var(--ptn-black);}

/* ===================== COMPLIANCE BAR ===================== */
.ptn-compliance-bar{width:100%;background:var(--ptn-black);padding:9px 0;text-align:center;}
.ptn-compliance-bar p{font-family:var(--ptn-mono);font-size:9.5px;letter-spacing:1.2px;color:var(--ptn-white);text-transform:uppercase;margin:0;}
.ptn-compliance-bar strong{font-weight:700;}

/* ===================== HERO ===================== */
.ptn-hero{padding:24px 0 60px;background:var(--ptn-white);}
.ptn-hero-grid{display:flex;flex-direction:column;gap:12px;}
@media(min-width:900px){.ptn-hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:56px;align-items:start;}.ptn-hero-info{position:sticky;top:88px;}.ptn-hero-gallery{position:sticky;top:88px;align-self:start;}}

.ptn-gallery{display:flex;flex-direction:column;gap:10px;}
.ptn-main-slider{width:100%;aspect-ratio:1/1;overflow-x:auto;overflow-y:hidden;display:flex;scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;background:var(--ptn-offwhite);border:1px solid var(--ptn-border);scrollbar-width:none;}
.ptn-main-slider::-webkit-scrollbar{display:none;}
.ptn-main-slide{min-width:100%;width:100%;height:100%;scroll-snap-align:start;display:flex;align-items:center;justify-content:center;}
.ptn-main-slide img{width:100%;height:100%;object-fit:contain;display:block;}
.ptn-thumbs{display:flex;gap:8px;overflow-x:auto;-webkit-overflow-scrolling:touch;}
.ptn-thumb{flex-shrink:0;width:64px;height:64px;min-width:64px;border:1px solid var(--ptn-border);overflow:hidden;cursor:pointer;background:var(--ptn-offwhite);padding:0;}
.ptn-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.ptn-thumb--active{border-color:var(--ptn-black);border-width:2px;}

.ptn-badge-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;}
.ptn-badge{font-family:var(--ptn-mono);font-size:9px;font-weight:500;padding:5px 10px;letter-spacing:1.8px;text-transform:uppercase;border:1px solid var(--ptn-black);color:var(--ptn-black);}
.ptn-badge--filled{background:var(--ptn-black);color:var(--ptn-white);}

.ptn-research-tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--ptn-mono);font-size:9px;letter-spacing:1.5px;color:var(--ptn-gray-700);text-transform:uppercase;border:1px solid var(--ptn-border-strong);padding:6px 10px;margin-bottom:16px;}
.ptn-research-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--ptn-black);flex-shrink:0;}

.ptn-title{font-size:38px;font-weight:300;letter-spacing:-1.3px;line-height:1.1;padding-bottom:0.16em;margin:0 0 6px;color:var(--ptn-black);}
.ptn-sequence{font-family:var(--ptn-mono);font-size:12px;color:var(--ptn-gray-700);letter-spacing:0.5px;margin-bottom:18px;}
.ptn-subtitle{font-size:14.5px;font-weight:300;color:var(--ptn-gray-700);line-height:1.7;margin-bottom:24px;}

.ptn-specs-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--ptn-border);border:1px solid var(--ptn-border);margin-bottom:22px;}
.ptn-spec{background:var(--ptn-white);padding:12px 14px;}
.ptn-spec-lbl{font-family:var(--ptn-mono);font-size:8.5px;color:var(--ptn-gray-500);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:4px;}
.ptn-spec-val{font-family:var(--ptn-mono);font-size:13px;font-weight:600;color:var(--ptn-black);letter-spacing:0.2px;}

.ptn-variations{margin-bottom:18px;}
.ptn-variations .variations{border:none !important;}
.ptn-variations table.variations{width:100%;border:none;}
.ptn-variations table.variations,
.ptn-variations table.variations tbody,
.ptn-variations table.variations tr,
.ptn-variations table.variations th,
.ptn-variations table.variations td{display:block;width:100%;border:none;}
.ptn-variations table.variations th.label{padding:0;}
.ptn-variations table.variations td{padding:0;border:none;}
.ptn-variations table.variations label{font-family:var(--ptn-mono) !important;font-size:9px !important;letter-spacing:2px !important;text-transform:uppercase;color:var(--ptn-gray-700) !important;display:flex !important;align-items:center;justify-content:flex-start;gap:6px;margin-bottom:8px;}
.ptn-variations table.variations label::after{content:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238C8C8C' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");flex-shrink:0;}

/* ===================== SQUARE SWATCH SELECTOR (replaces dropdown UI) ===================== */
/* The real <select> stays in the DOM and fully functional — WooCommerce's
   own variation-matching JS still reads/writes it normally. It's just
   visually hidden; these square buttons drive it via a dispatched
   change event, so price/stock logic keeps working exactly as before. */
.ptn-select-hidden{position:absolute !important;width:1px !important;height:1px !important;padding:0 !important;margin:-1px !important;overflow:hidden !important;opacity:0 !important;pointer-events:none !important;}
.ptn-swatch-row{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 0;}
.ptn-swatch{min-width:58px;height:44px;padding:0 12px;border:1.5px solid var(--ptn-border-strong);background:#fff;color:var(--ptn-black);font-family:var(--ptn-mono);font-size:11px;font-weight:600;letter-spacing:0.3px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;}
.ptn-swatch:hover{border-color:var(--ptn-black);}
.ptn-swatch--active{background:var(--ptn-black);color:#fff;border-color:var(--ptn-black);}
.ptn-swatch-row--mini{gap:4px;margin:0;flex-wrap:nowrap;}
.ptn-swatch-row--mini .ptn-swatch{min-width:28px;height:26px;padding:0 6px;font-size:9px;border-width:1px;}
.ptn-variations select{width:100% !important;border:1px solid var(--ptn-border-strong) !important;padding:13px 14px !important;font-family:var(--ptn-sans) !important;font-size:14px !important;background:var(--ptn-white) !important;color:var(--ptn-black) !important;border-radius:0 !important;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230A0A0A' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;}
.ptn-variations .reset_variations{display:none !important;}
.ptn-variations .woocommerce-variation-price{margin:3px 0 6px;}
.ptn-variations .woocommerce-variation-price .price{font-family:var(--ptn-sans) !important;font-size:28px !important;font-weight:600;color:var(--ptn-black) !important;margin:0 !important;}
.ptn-variations .woocommerce-variation-availability{margin:0 0 14px;}
.ptn-variations .woocommerce-variation-availability .stock,
.ptn-cart-form .stock{font-family:var(--ptn-mono) !important;font-size:11px !important;letter-spacing:1.2px !important;text-transform:uppercase !important;color:var(--ptn-gray-700) !important;margin:0 !important;padding:0 !important;}
.ptn-variations .single_variation_wrap{margin-top:0;}

.ptn-price-row{display:flex;align-items:baseline;gap:10px;margin-bottom:18px;}
.ptn-price-row .price{font-family:var(--ptn-sans) !important;font-size:28px !important;font-weight:600;color:var(--ptn-black) !important;}
.ptn-price-row .price del{color:var(--ptn-gray-500) !important;font-size:15px !important;opacity:1 !important;}
.ptn-price-row .price ins{text-decoration:none;}

.ptn-cart-form{margin:0 0 16px;}
.ptn-cart-form .quantity{display:inline-flex !important;align-items:center;border:1px solid var(--ptn-border-strong);margin-bottom:14px;}
.ptn-cart-form .quantity input.qty{width:48px;text-align:center;border:none !important;background:transparent !important;font-family:var(--ptn-mono) !important;font-size:14px !important;color:var(--ptn-black) !important;padding:11px 0 !important;-moz-appearance:textfield;box-shadow:none !important;}
.ptn-cart-form .quantity input.qty::-webkit-inner-spin-button,.ptn-cart-form .quantity input.qty::-webkit-outer-spin-button{-webkit-appearance:none;margin:0;}
.ptn-qty-label{display:block;font-family:var(--ptn-mono);font-size:9px;letter-spacing:2px;text-transform:uppercase;color:var(--ptn-gray-700);margin-bottom:8px;}
.ptn-qty-btn{width:36px;height:42px;background:var(--ptn-offwhite);border:none;cursor:pointer;font-family:var(--ptn-sans);font-size:16px;line-height:1;color:var(--ptn-black);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s;}
.ptn-qty-btn:hover{background:var(--ptn-gray-300);}
.ptn-cart-form button.single_add_to_cart_button{display:block !important;width:100% !important;background:var(--ptn-black) !important;color:var(--ptn-white) !important;font-family:var(--ptn-sans) !important;font-size:14px !important;font-weight:600;padding:19px !important;border:none !important;cursor:pointer;text-align:center;letter-spacing:2px;text-transform:uppercase;margin:0 !important;border-radius:0 !important;transition:background 0.2s;}
.ptn-cart-form button.single_add_to_cart_button:hover{background:var(--ptn-charcoal) !important;}
.ptn-cart-form button.single_add_to_cart_button.disabled,.ptn-cart-form button.single_add_to_cart_button[disabled]{background:var(--ptn-gray-300) !important;color:var(--ptn-gray-700) !important;cursor:not-allowed;}
.ptn-cart-form .woocommerce-variation-availability{font-family:var(--ptn-mono);font-size:9px;letter-spacing:1px;text-transform:uppercase;margin-bottom:10px;}
.ptn-cart-sub{text-align:center;font-family:var(--ptn-mono);font-size:9.5px;color:var(--ptn-gray-700);letter-spacing:1.2px;text-transform:uppercase;margin-bottom:20px;}

.ptn-trust-row{display:grid;grid-template-columns:1fr 1fr 1fr;padding:16px 0;border-top:1px solid var(--ptn-border);border-bottom:1px solid var(--ptn-border);margin-bottom:22px;gap:8px;}
.ptn-trust-item{text-align:center;display:flex;flex-direction:column;align-items:center;gap:7px;}
.ptn-trust-icon{width:26px;height:26px;border-radius:50%;background:var(--ptn-offwhite);border:1px solid var(--ptn-border-strong);display:flex;align-items:center;justify-content:center;color:var(--ptn-black);}
.ptn-trust-icon svg{width:14px;height:14px;}
.ptn-trust-lbl{font-family:var(--ptn-mono);font-size:8.5px;color:var(--ptn-gray-700);letter-spacing:1.2px;text-transform:uppercase;line-height:1.5;}

.ptn-coa-card{display:flex;align-items:center;gap:14px;background:var(--ptn-offwhite);border:1px solid var(--ptn-border-strong);padding:16px 18px;margin-bottom:22px;}
.ptn-coa-icon{width:38px;height:38px;border-radius:50%;background:var(--ptn-black);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.ptn-coa-icon svg{width:18px;height:18px;color:#fff;}
.ptn-coa-text{flex:1;}
.ptn-coa-title{font-size:13px;font-weight:600;color:var(--ptn-black);margin-bottom:2px;}
.ptn-coa-sub{font-family:var(--ptn-mono);font-size:9.5px;color:var(--ptn-gray-700);letter-spacing:0.5px;}

.ptn-expert{background:var(--ptn-black);padding:20px;margin-bottom:22px;}
.ptn-expert-q{font-size:13.5px;font-weight:300;font-style:italic;line-height:1.75;color:var(--ptn-gray-300);margin:0 0 16px;}
.ptn-expert-sep{height:1px;background:rgba(255,255,255,0.15);margin-bottom:14px;}
.ptn-expert-bio{display:flex;align-items:center;gap:12px;}
.ptn-expert-av{width:44px;height:44px;flex-shrink:0;border:1px solid rgba(255,255,255,0.3);overflow:hidden;background:var(--ptn-charcoal);}
.ptn-expert-av img{width:100%;height:100%;object-fit:cover;object-position:center top;display:block;}
.ptn-expert-name{font-size:13px;font-weight:500;color:#fff;margin-bottom:2px;}
.ptn-expert-role{font-family:var(--ptn-mono);font-size:8.5px;color:var(--ptn-gray-300);letter-spacing:1.2px;text-transform:uppercase;}

.ptn-accordion{border-top:1px solid var(--ptn-border);}
.ptn-acc-item{border-bottom:1px solid var(--ptn-border);}
.ptn-acc-btn{display:flex;justify-content:space-between;align-items:center;width:100%;padding:16px 0;background:transparent;border:none;cursor:pointer;text-align:left;gap:12px;}
.ptn-acc-title{font-size:12.5px;font-weight:600;color:var(--ptn-black);letter-spacing:0.5px;text-transform:uppercase;}
.ptn-acc-icon{flex-shrink:0;width:20px;height:20px;border:1px solid var(--ptn-border-strong);display:flex;align-items:center;justify-content:center;font-family:var(--ptn-mono);font-size:14px;color:var(--ptn-gray-700);transition:transform 0.25s;background:var(--ptn-offwhite);}
.ptn-acc-item.ptn-open .ptn-acc-icon{transform:rotate(45deg);background:var(--ptn-black);color:#fff;border-color:var(--ptn-black);}
.ptn-acc-body{overflow:hidden;max-height:0;transition:max-height 0.35s ease,padding-bottom 0.35s ease;padding-bottom:0;}
.ptn-acc-content{font-size:13px;color:var(--ptn-gray-700);line-height:1.75;padding-right:16px;}
.ptn-acc-content p{margin:0 0 9px;}
.ptn-acc-content p:last-child{margin-bottom:0;}
.ptn-acc-content strong{color:var(--ptn-black);font-weight:600;}

@media(max-width:480px){
  .ptn-title{font-size:29px;}
  .ptn-specs-grid{grid-template-columns:1fr 1fr;}
}

/* ===================== COMPLIANCE/TRUST MARQUEE ===================== */
.ptn-marquee-wrap{width:100%;padding:24px 0;background:var(--ptn-black);overflow:hidden;}
.ptn-marquee-track{display:flex;width:max-content;animation:ptn-scroll 26s linear infinite;}
.ptn-marquee-track:hover{animation-play-state:paused;}
@keyframes ptn-scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.ptn-marquee-item{display:flex;align-items:center;gap:14px;padding:0 30px;flex-shrink:0;}
.ptn-marquee-txt{font-family:var(--ptn-mono);font-size:11px;font-weight:600;color:#fff;letter-spacing:1.5px;white-space:nowrap;text-transform:uppercase;}
.ptn-marquee-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,0.4);flex-shrink:0;}

/* ===================== VERIFICATION / COA ===================== */
.ptn-verify{padding:72px 0;background:var(--ptn-white);}
.ptn-verify-header{text-align:center;margin-bottom:40px;}
.ptn-verify-header .ptn-eyebrow{display:block;margin-bottom:12px;}
.ptn-verify-sub{font-size:14px;color:var(--ptn-gray-700);max-width:520px;margin:14px auto 0;line-height:1.7;}
.ptn-verify-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:0;max-width:760px;margin:36px auto 0;border:1px solid var(--ptn-border);}
.ptn-vstat{padding:28px 16px;text-align:center;border-right:1px solid var(--ptn-border);}
.ptn-vstat:last-child{border-right:none;}
.ptn-vstat-num{font-family:var(--ptn-sans);font-size:clamp(26px,5vw,38px);font-weight:300;letter-spacing:-1px;color:var(--ptn-black);}
.ptn-vstat-lbl{font-family:var(--ptn-mono);font-size:8.5px;color:var(--ptn-gray-500);margin-top:8px;letter-spacing:1.2px;text-transform:uppercase;line-height:1.5;}

/* ===================== COMPOUND BREAKDOWN ===================== */
.ptn-compound{padding:72px 0;background:var(--ptn-offwhite);}
.ptn-compound-header{text-align:center;margin-bottom:40px;}
.ptn-compound-header .ptn-eyebrow{display:block;margin-bottom:12px;}
.ptn-compound-hero{background:var(--ptn-white);border:1px solid var(--ptn-border-strong);margin-bottom:24px;}
.ptn-compound-body{padding:30px 26px;}
.ptn-compound-name{font-size:26px;font-weight:300;color:var(--ptn-black);letter-spacing:-0.6px;margin-bottom:6px;padding-bottom:0.1em;}
.ptn-compound-meta{font-family:var(--ptn-mono);font-size:11px;color:var(--ptn-gray-700);letter-spacing:0.5px;margin-bottom:18px;}
.ptn-compound-desc{font-size:14px;color:var(--ptn-gray-700);line-height:1.75;margin-bottom:24px;}
.ptn-compound-specs{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--ptn-border);border:1px solid var(--ptn-border);}
.ptn-cspec{background:var(--ptn-white);padding:16px;}
.ptn-cspec-lbl{font-family:var(--ptn-mono);font-size:8.5px;color:var(--ptn-gray-500);letter-spacing:1.2px;text-transform:uppercase;margin-bottom:6px;}
.ptn-cspec-val{font-family:var(--ptn-mono);font-size:14px;font-weight:600;color:var(--ptn-black);}
@media(min-width:768px){.ptn-compound-hero{display:grid;grid-template-columns:1fr 1.3fr;} .ptn-compound-specs{grid-template-columns:repeat(4,1fr);}}

/* ===================== SCIENCE / MECHANISM ===================== */
.ptn-science{padding:72px 0;background:var(--ptn-white);}
.ptn-science-header{text-align:center;margin-bottom:40px;}
.ptn-science-header .ptn-eyebrow{display:block;margin-bottom:12px;}
.ptn-sci-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:900px){.ptn-sci-grid{grid-template-columns:1fr 1fr;}}
.ptn-sci-card{border:1px solid var(--ptn-border-strong);padding:30px 26px;}
.ptn-sci-num{font-family:var(--ptn-mono);font-size:10px;color:var(--ptn-gray-500);letter-spacing:2px;margin-bottom:14px;}
.ptn-sci-title{font-size:20px;font-weight:300;color:var(--ptn-black);margin-bottom:14px;letter-spacing:-0.4px;padding-bottom:0.1em;}
.ptn-sci-text{font-size:13.5px;color:var(--ptn-gray-700);line-height:1.75;}

/* ===================== RECONSTITUTION REFERENCE ===================== */
.ptn-protocol{padding:72px 0;background:var(--ptn-offwhite);}
.ptn-protocol-header{text-align:center;margin-bottom:44px;}
.ptn-protocol-header .ptn-eyebrow{display:block;margin-bottom:12px;}
.ptn-protocol-disclaimer{font-family:var(--ptn-mono);font-size:9.5px;color:var(--ptn-gray-500);text-align:center;max-width:560px;margin:14px auto 0;line-height:1.7;letter-spacing:0.3px;}
.ptn-pro-steps{display:grid;grid-template-columns:1fr;gap:32px;max-width:1000px;margin:36px auto 0;}
@media(min-width:700px){.ptn-pro-steps{grid-template-columns:repeat(3,1fr);}}
.ptn-pro-step{background:var(--ptn-white);border:1px solid var(--ptn-border);padding:24px;text-align:center;}
.ptn-pro-num{font-family:var(--ptn-mono);font-size:10px;color:var(--ptn-gray-500);letter-spacing:2px;margin-bottom:10px;}
.ptn-pro-title{font-size:18px;font-weight:400;color:var(--ptn-black);margin-bottom:10px;}
.ptn-pro-text{font-size:13px;color:var(--ptn-gray-700);line-height:1.7;}

/* ===================== RESEARCH APPLICATIONS ===================== */
.ptn-applications{padding:72px 0;background:var(--ptn-white);}
.ptn-app-header{text-align:center;margin-bottom:40px;}
.ptn-app-header .ptn-eyebrow{display:block;margin-bottom:12px;}
.ptn-app-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:700px){.ptn-app-grid{grid-template-columns:repeat(2,1fr);}}
.ptn-app-card{border:1px solid var(--ptn-border);padding:22px;display:flex;gap:16px;align-items:flex-start;}
.ptn-app-num{font-family:var(--ptn-mono);font-size:18px;font-weight:300;color:var(--ptn-gray-300);flex-shrink:0;line-height:1;}
.ptn-app-title{font-size:14.5px;font-weight:600;color:var(--ptn-black);margin-bottom:6px;}
.ptn-app-text{font-size:12.5px;color:var(--ptn-gray-700);line-height:1.65;}
.ptn-app-footnote{font-family:var(--ptn-mono);font-size:9px;color:var(--ptn-gray-500);text-align:center;margin-top:28px;letter-spacing:0.5px;line-height:1.6;}

/* ===================== COMPARISON ===================== */
.ptn-comparison{padding:72px 0;background:var(--ptn-offwhite);}
.ptn-comp-header{text-align:center;margin-bottom:40px;}
.ptn-comp-header .ptn-eyebrow{display:block;margin-bottom:12px;}
.ptn-comp-table{width:100%;border-collapse:collapse;background:var(--ptn-white);border:1px solid var(--ptn-border-strong);max-width:760px;margin:0 auto;}
.ptn-comp-table th{font-family:var(--ptn-mono);font-size:9px;letter-spacing:1.5px;text-transform:uppercase;padding:14px 10px;text-align:center;border-bottom:2px solid var(--ptn-black);}
.ptn-comp-table th:first-child{text-align:left;width:46%;}
.ptn-th-ptn{background:var(--ptn-black);color:#fff;}
.ptn-th-other{color:var(--ptn-gray-500);}
.ptn-comp-table td{padding:13px 10px;border-bottom:1px solid var(--ptn-border);font-size:12.5px;text-align:center;}
.ptn-comp-table td:first-child{text-align:left;color:var(--ptn-black);font-weight:500;}
.ptn-comp-table tr:last-child td{border-bottom:none;}
.ptn-td-ptn{background:var(--ptn-offwhite);}
.ptn-yes{color:var(--ptn-black);font-size:15px;}
.ptn-no{color:var(--ptn-gray-300);font-size:15px;}
@media(max-width:600px){.ptn-comp-table th,.ptn-comp-table td{padding:10px 6px;font-size:10.5px;} .ptn-comp-table th{font-size:8px;}}

/* ===================== FAQ ===================== */
.ptn-faq{padding:88px 0;background:var(--ptn-black);}
.ptn-faq-inner{max-width:860px;margin:0 auto;padding:0 24px;}
.ptn-faq-title{font-size:clamp(64px,16vw,108px);font-weight:200;color:#fff;margin-bottom:36px;line-height:1;padding-bottom:0.05em;letter-spacing:-3px;}
.ptn-faq-item{border-top:1px solid rgba(255,255,255,0.18);cursor:pointer;}
.ptn-faq-item:last-child{border-bottom:1px solid rgba(255,255,255,0.18);}
.ptn-faq-head{display:flex;justify-content:space-between;align-items:center;padding:22px 0;gap:16px;}
.ptn-faq-q{font-size:15.5px;font-weight:500;color:#fff;flex:1;line-height:1.35;}
.ptn-faq-icon{font-size:26px;color:rgba(255,255,255,0.6);font-weight:200;transition:transform 0.3s;flex-shrink:0;}
.ptn-faq-item.ptn-open .ptn-faq-icon{transform:rotate(45deg);color:#fff;}
.ptn-faq-body{max-height:0;overflow:hidden;transition:max-height 0.4s ease;}
.ptn-faq-item.ptn-open .ptn-faq-body{max-height:500px;}
.ptn-faq-a{font-size:13.5px;color:rgba(255,255,255,0.65);line-height:1.75;padding-bottom:22px;padding-right:36px;}
@media(min-width:900px){.ptn-faq-q{font-size:17px;}}

/* ===================== FINAL CTA ===================== */
.ptn-cta{padding:90px 20px;background:var(--ptn-white);text-align:center;}
.ptn-cta-inner{max-width:680px;margin:0 auto;}
.ptn-cta-eyebrow{display:block;margin-bottom:20px;}
.ptn-cta-title{font-size:clamp(32px,7vw,52px);font-weight:300;letter-spacing:-1.5px;line-height:1.15;padding-bottom:0.15em;margin-bottom:28px;color:var(--ptn-black);}
.ptn-cta-line{width:64px;height:1px;background:var(--ptn-gray-300);margin:0 auto 32px;}
.ptn-cta-btn{display:inline-flex;align-items:center;gap:10px;background:var(--ptn-black);color:#fff;font-size:13px;font-weight:600;letter-spacing:1.8px;text-transform:uppercase;padding:18px 40px;border:none;cursor:pointer;text-decoration:none;margin-bottom:20px;}
.ptn-cta-btn:hover{background:var(--ptn-charcoal);color:#fff;}
.ptn-cta-disclaimer{font-family:var(--ptn-mono);font-size:9px;color:var(--ptn-gray-500);letter-spacing:0.4px;line-height:1.7;max-width:480px;margin:0 auto;}

/* ===================== RESEARCH PEN OPTION (checkbox) ===================== */
.ptn-pen-option{margin-bottom:14px;}
.ptn-pen-check{display:flex;align-items:flex-start;gap:10px;cursor:pointer;}
.ptn-pen-check input[type="checkbox"]{position:absolute;opacity:0;width:1px;height:1px;}
.ptn-pen-box{width:18px;height:18px;min-width:18px;border:1.5px solid var(--ptn-border-strong);background:var(--ptn-white);position:relative;margin-top:1px;transition:background .15s,border-color .15s;}
.ptn-pen-check input[type="checkbox"]:checked + .ptn-pen-box{background:var(--ptn-black);border-color:var(--ptn-black);}
.ptn-pen-check input[type="checkbox"]:checked + .ptn-pen-box::after{content:'';position:absolute;left:5px;top:1px;width:5px;height:9px;border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(40deg);}
.ptn-pen-check input[type="checkbox"]:focus-visible + .ptn-pen-box{outline:2px solid var(--ptn-black);outline-offset:2px;}
.ptn-pen-label{font-size:12.5px;color:var(--ptn-gray-700);line-height:1.5;}
.ptn-pen-label em{font-style:normal;color:var(--ptn-gray-500);}

/* ===================== USUALLY STACKED WITH (compact, in-product mini block) ===================== */
.ptn-stack-mini{border:1px solid var(--ptn-border-strong);padding:16px 18px;margin-bottom:22px;}
.ptn-stack-mini-label{font-family:var(--ptn-mono);font-size:9px;letter-spacing:1.8px;text-transform:uppercase;color:var(--ptn-gray-700);margin-bottom:10px;}
.ptn-stack-mini-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-top:1px solid var(--ptn-border);}
.ptn-stack-mini-row:first-of-type{border-top:none;}
.ptn-stack-mini-img{width:30px;height:30px;flex-shrink:0;border:1px solid var(--ptn-border);overflow:hidden;background:var(--ptn-offwhite);display:block;}
.ptn-stack-mini-img img{width:100%;height:100%;object-fit:contain;}
.ptn-stack-mini-name{flex:1 1 auto;min-width:0;font-size:12.5px;font-weight:500;color:var(--ptn-black);text-decoration:none;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-clamp:2;overflow:hidden;text-overflow:ellipsis;white-space:normal;line-height:1.3;}
.ptn-stack-mini-price{font-family:var(--ptn-mono);font-size:11px;color:var(--ptn-gray-700);flex-shrink:0;}
.ptn-stack-mini-row a.add_to_cart_button,.ptn-stack-mini-row a.button{flex-shrink:0;background:var(--ptn-black);color:#fff !important;font-family:var(--ptn-sans);font-size:9px;font-weight:600;letter-spacing:1px;text-transform:uppercase;padding:7px 11px;border:none;text-decoration:none;white-space:nowrap;}
.ptn-stack-mini-row a.add_to_cart_button:hover,.ptn-stack-mini-row a.button:hover{background:var(--ptn-charcoal);color:#fff;}
.ptn-stack-mini-row a.added_to_cart{display:none;}
.ptn-mini-variant-select{flex:0 1 76px;min-width:0;font-family:var(--ptn-mono);font-size:9.5px;border:1px solid var(--ptn-border-strong);padding:6px 16px 6px 6px;background:#fff;color:var(--ptn-black);border-radius:0;-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238C8C8C' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 4px center;background-size:9px;}
.ptn-mini-add-variant-btn{flex-shrink:0;background:var(--ptn-black);color:#fff;font-family:var(--ptn-sans);font-size:9px;font-weight:600;letter-spacing:1px;text-transform:uppercase;padding:7px 11px;border:none;cursor:pointer;white-space:nowrap;}
.ptn-mini-add-variant-btn:hover{background:var(--ptn-charcoal);}
.ptn-mini-add-variant-btn[disabled]{background:var(--ptn-gray-300);color:var(--ptn-gray-700);cursor:not-allowed;}

/* ===================== COA VIEWER MODAL (zoom + close) ===================== */
.ptn-coa-modal{display:none;position:fixed;inset:0;z-index:9999;align-items:center;justify-content:center;padding:16px;}
.ptn-coa-modal.ptn-open{display:flex;}
.ptn-coa-modal-overlay{position:absolute;inset:0;background:rgba(10,10,10,0.85);cursor:pointer;}
.ptn-coa-modal-box{position:relative;background:#fff;max-width:92vw;max-height:92vh;width:100%;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,0.35);}
.ptn-coa-modal-toolbar{display:flex;justify-content:flex-end;gap:8px;padding:10px 12px;border-bottom:1px solid var(--ptn-border);background:#fff;position:relative;z-index:2;flex-shrink:0;}
.ptn-coa-modal-toolbar button{width:32px;height:32px;border:1px solid var(--ptn-border-strong);background:#fff;cursor:pointer;font-size:16px;font-family:var(--ptn-sans);color:var(--ptn-black);display:flex;align-items:center;justify-content:center;line-height:1;}
.ptn-coa-modal-toolbar button:hover{background:var(--ptn-offwhite);}
.ptn-coa-modal-close{font-size:20px !important;font-weight:300;}
.ptn-coa-modal-scroll{overflow:auto;flex:1;display:flex;align-items:flex-start;justify-content:center;background:var(--ptn-offwhite);padding:20px;}
.ptn-coa-modal-scroll img{max-width:100%;height:auto;transition:transform .2s ease;transform-origin:center top;}
.ptn-coa-btn{font-family:var(--ptn-mono);font-size:9px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--ptn-black);border:1px solid var(--ptn-black);padding:8px 14px;background:#fff;cursor:pointer;white-space:nowrap;flex-shrink:0;}
.ptn-coa-btn:hover{background:var(--ptn-black);color:#fff;}

/* ===================== STICKY ADD-TO-CART BAR (bottom-anchored) ===================== */
.ptn-sticky-bar{position:fixed;bottom:0;top:auto;left:0;right:0;z-index:999;background:var(--ptn-white,#fff);border-top:1px solid var(--ptn-border-strong,rgba(10,10,10,0.28));box-shadow:0 -6px 20px rgba(10,10,10,0.08);transform:translateY(110%);transition:transform .3s ease;}
.ptn-sticky-bar.ptn-sticky-visible{transform:translateY(0);}
.ptn-sticky-inner{max-width:1200px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:14px;}
.ptn-sticky-img{width:38px;height:38px;flex-shrink:0;border:1px solid var(--ptn-border,rgba(10,10,10,0.12));overflow:hidden;background:var(--ptn-offwhite,#FAFAF8);}
.ptn-sticky-img img{width:100%;height:100%;object-fit:contain;}
.ptn-sticky-name{font-family:var(--ptn-sans,'Inter',sans-serif);font-size:13px;font-weight:600;color:var(--ptn-black,#0A0A0A);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.ptn-sticky-price{font-family:var(--ptn-mono,monospace);font-size:13px;font-weight:600;color:var(--ptn-black,#0A0A0A);flex-shrink:0;white-space:nowrap;}
.ptn-sticky-price .price{font-family:var(--ptn-mono,monospace) !important;font-size:13px !important;color:var(--ptn-black,#0A0A0A) !important;}
.ptn-sticky-btn{background:var(--ptn-black,#0A0A0A);color:#fff;font-family:var(--ptn-sans,'Inter',sans-serif);font-size:10.5px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;padding:11px 18px;border:none;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:background .2s;}
.ptn-sticky-btn:hover{background:var(--ptn-charcoal,#1C1C1C);}
@media(max-width:480px){.ptn-sticky-name{display:none;} .ptn-sticky-inner{padding:8px 14px;gap:10px;}}