/* ==========================================================================
   NETRONICAL — Design System
   Palette:  #0f1115 charcoal-black · #15171c raised panel · #ffffff paper
             gradient accent: #3b82f6 -> #0a5bc7 -> #073a86
   Type:     Space Grotesk (display) / Inter (body) / JetBrains Mono (data)
   Signature: network-node connector lines echoing the Netronical mark,
              used as section dividers + hero background texture.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --ink:#0d1117;
  --panel:#131722;
  --panel-2:#1a2030;
  --paper:#ffffff;
  --paper-dim:#f5f7fb;
  --line:#e6e9ef;
  --text:#1a1d24;
  --muted:#5b5f6b;
  --muted-2:#868b96;
  --gold:#3b82f6;
  --orange:#0a5bc7;
  --coral:#0a5bc7;
  --red:#073a86;
  --blue:#0a5bc7;
  --blue-light:#3b82f6;
  --blue-dark:#073a86;
  --grad: linear-gradient(90deg,var(--gold),var(--orange),var(--red));
  --grad-soft: linear-gradient(135deg, rgba(10,91,199,.12), rgba(7,58,134,.08));
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 20px 50px -20px rgba(13,17,23,.35);
  --maxw: 1280px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{overflow-x:hidden;max-width:100%;}
body{
  margin:0;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  font-family:'Inter',system-ui,sans-serif;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
.site-header{flex-shrink:0;}
.site-main{flex:1 0 auto;min-width:0;}
.footer{flex-shrink:0;}
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  margin:0 0 .5em 0;
  line-height:1.12;
  letter-spacing:-.01em;
}
p{line-height:1.65;color:var(--muted);margin:0 0 1em 0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.mono{font-family:'JetBrains Mono',monospace;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'JetBrains Mono',monospace;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--red);font-weight:500;margin-bottom:14px;
}
.eyebrow::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--grad);}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:10px;font-weight:700;font-size:14px;
  border:none;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease;
  font-family:'Inter',sans-serif;
}
.btn:active{transform:translateY(1px);}
.btn.is-loading{opacity:.85;cursor:wait;pointer-events:none;}
.btn-spinner{
  display:inline-block;width:15px;height:15px;border-radius:50%;
  border:2px solid rgba(255,255,255,.4);border-top-color:#fff;
  animation:ntr-spin .7s linear infinite;margin-right:8px;vertical-align:-2px;
}
.btn-outline .btn-spinner,.btn-ghost-light .btn-spinner{border-color:rgba(28,29,33,.25);border-top-color:var(--ink);}
@keyframes ntr-spin{to{transform:rotate(360deg);}}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px -10px rgba(232,56,47,.55);}
.btn-primary:hover{box-shadow:0 14px 30px -10px rgba(232,56,47,.7);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#000;}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--line);}
.btn-outline:hover{border-color:var(--ink);}
.btn-ghost-light{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.18);}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);}
.btn-block{width:100%;}
.btn-sm{padding:9px 16px;font-size:13px;}
.btn-danger{background:#c0362c;color:#fff;}

/* ---------------- Header (professional, multi-row) ---------------- */
#page-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:9999;transition:width .25s ease, opacity .3s ease;}
#page-progress.active{width:70%;}
#page-progress.done{width:100%;opacity:0;}

.site-header{position:sticky;top:0;z-index:100;box-shadow:0 4px 18px -8px rgba(13,17,23,.18);}

/* Utility bar */
.util-bar{background:var(--ink);}
.util-bar-inner{display:flex;justify-content:space-between;align-items:center;padding:8px 24px;}
.util-left,.util-right{display:flex;gap:22px;align-items:center;}
.util-item{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:rgba(255,255,255,.75);}
.util-item svg{flex-shrink:0;color:var(--blue-light);}
a.util-item:hover{color:#fff;}
.util-bar-mobile{display:none;background:var(--ink);padding:8px 14px;justify-content:center;gap:16px;flex-wrap:wrap;}
.util-bar-mobile .util-item{font-size:11px;color:rgba(255,255,255,.7);}

/* Main row */
.main-row{background:#fff;}
.main-row-inner{display:flex;align-items:center;gap:24px;padding:16px 24px;}
.brand{display:flex;align-items:center;flex-shrink:0;}
.brand-logo{height:52px;width:auto;display:block;}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px 4px;flex-shrink:0;}
.hamburger,.hamburger::before,.hamburger::after{
  content:'';display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .25s ease, opacity .2s ease;
}
.hamburger{position:relative;}
.hamburger::before{position:absolute;top:-7px;left:0;}
.hamburger::after{position:absolute;top:7px;left:0;}
.mobile-toggle[aria-expanded="true"] .hamburger{background:transparent;}
.mobile-toggle[aria-expanded="true"] .hamburger::before{transform:translateY(7px) rotate(45deg);}
.mobile-toggle[aria-expanded="true"] .hamburger::after{transform:translateY(-7px) rotate(-45deg);}

.nav-search{flex:1;display:flex;max-width:620px;border:1.5px solid var(--line);border-radius:8px;overflow:hidden;}
.nav-search input{flex:1;border:none;padding:12px 16px;font-size:14px;outline:none;font-family:'Inter',sans-serif;}
.nav-search button{background:var(--blue);border:none;color:#fff;padding:0 20px;cursor:pointer;display:flex;align-items:center;}
.nav-search button:hover{background:var(--blue-dark);}

.header-actions{display:flex;align-items:center;gap:22px;flex-shrink:0;}
.header-action-link{display:flex;align-items:center;gap:8px;color:var(--text);font-size:13.5px;font-weight:600;}
.header-action-link:hover{color:var(--blue);}
.icon-wrap{position:relative;display:inline-flex;}
.cart-badge{
  position:absolute;top:-6px;right:-8px;background:var(--blue);color:#fff;
  font-size:10px;font-weight:700;border-radius:50%;width:17px;height:17px;
  display:flex;align-items:center;justify-content:center;font-family:'Inter',sans-serif;
}
.mobile-search-row{display:none;}

/* Category bar */
.category-bar{background:var(--panel);border-top:1px solid rgba(255,255,255,.06);}
.category-bar-inner{display:flex;align-items:center;gap:28px;padding:0 24px;}

.all-cat-dropdown{position:relative;flex-shrink:0;}
.all-cat-btn{
  display:flex;align-items:center;gap:9px;background:var(--blue);color:#fff;border:none;
  padding:14px 18px;font-size:13.5px;font-weight:700;cursor:pointer;white-space:nowrap;
}
.all-cat-btn .chevron{margin-left:2px;transition:transform .2s;}
.all-cat-dropdown.open .all-cat-btn .chevron{transform:rotate(180deg);}
.all-cat-menu{
  position:absolute;top:100%;left:0;background:#fff;min-width:240px;
  box-shadow:var(--shadow);border-radius:0 0 10px 10px;overflow:hidden;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .18s ease;z-index:50;
}
.all-cat-dropdown.open .all-cat-menu{opacity:1;visibility:visible;transform:translateY(0);}
.all-cat-menu a{display:block;padding:12px 18px;font-size:13.5px;color:var(--text);border-bottom:1px solid var(--line);}
.all-cat-menu a:hover{background:var(--paper-dim);color:var(--blue);}
.all-cat-viewall{font-weight:700;color:var(--blue)!important;}

.category-links{display:flex;align-items:center;gap:26px;flex-wrap:wrap;overflow:visible;}
.category-links a{color:rgba(255,255,255,.85);font-size:13.5px;font-weight:500;white-space:nowrap;padding:14px 0;display:inline-flex;align-items:center;gap:4px;}
.category-links a:hover{color:#fff;}
.cat-link-highlight{color:var(--blue-light)!important;font-weight:700!important;}

.cat-dropdown-item{position:relative;z-index:10;}
.cat-dropdown-item > a{color:rgba(255,255,255,.85);font-size:13.5px;font-weight:500;}
.cat-dropdown-menu{
  position:absolute;top:100%;left:0;background:#fff;min-width:230px;
  box-shadow:var(--shadow);border-radius:0 0 10px 10px;overflow:hidden;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .18s ease;z-index:50;
}
.cat-dropdown-item:hover .cat-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0);}
.cat-dropdown-menu a{display:block;padding:11px 16px;font-size:13px;color:var(--text);border-bottom:1px solid var(--line);}
.cat-dropdown-menu a:hover{background:var(--paper-dim);color:var(--blue);}

/* Trust / features strip */
.features-strip{background:var(--paper-dim);border-bottom:1px solid var(--line);}
.features-strip-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:16px 24px;}
.feature-item{display:flex;align-items:center;gap:12px;padding:0 20px;border-right:1px solid var(--line);}
.feature-item:last-child{border-right:none;}
.feature-item svg{color:var(--blue);flex-shrink:0;}
.feature-item strong{display:block;font-size:13px;color:var(--text);}
.feature-item span{display:block;font-size:11.5px;color:var(--muted-2);}

/* Mobile nav drawer */
.nav-drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;background:#fff;z-index:200;
  transform:translateX(-100%);transition:transform .25s ease;overflow-y:auto;
  display:flex;flex-direction:column;padding:20px 0;
}
.nav-drawer.open{transform:translateX(0);}
.nav-drawer a{padding:14px 22px;font-size:14.5px;font-weight:500;color:var(--text);border-bottom:1px solid var(--line);}
.nav-drawer-account{background:var(--blue);color:#fff!important;margin:14px 22px 0;border-radius:8px;text-align:center;border-bottom:none!important;}
.nav-drawer-overlay{
  position:fixed;inset:0;background:rgba(13,17,23,.5);z-index:199;
  opacity:0;visibility:hidden;transition:opacity .2s ease;
}
.nav-drawer-overlay.open{opacity:1;visibility:visible;}

@media (max-width: 980px){
  .util-bar{display:none;}
  .util-bar-mobile{display:flex;}
  .category-bar{display:none;}
  .features-strip{display:none;}

  .main-row-inner{padding:12px 16px;gap:12px;}
  .brand{flex:1;justify-content:center;min-width:0;}
  .brand-logo{height:38px;}
  .mobile-toggle{display:block;}
  .nav-search{display:none;}
  .header-actions{gap:14px;}
  .header-actions .header-action-link span{display:none;}
  .header-actions .header-action-link:last-child{display:none;}

  .mobile-search-row{display:block;padding:0 16px 12px;}
  .mobile-search-row .nav-search{display:flex;max-width:none;margin-bottom:12px;}
  .mobile-icon-row{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:12px;}
  .mobile-icon-row a{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10.5px;color:var(--muted);position:relative;}
  .mobile-icon-row svg{color:var(--blue);}
  .mobile-icon-cart{position:relative;}
  .mobile-icon-row .cart-badge{top:-4px;right:-8px;}
}

/* ---------------- Hero ---------------- */
.hero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:90px 0 100px;
}
.hero .node-bg{position:absolute;inset:0;opacity:.55;pointer-events:none;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative;z-index:2;min-width:0;}
.hero h1{font-size:clamp(34px,5vw,58px);color:#fff;}
.hero h1 .accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p.lead{color:rgba(255,255,255,.68);font-size:17px;max-width:520px;}
.hero-cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:36px;margin-top:44px;flex-wrap:wrap;}
.hero-stats .stat b{display:block;font-family:'Space Grotesk',sans-serif;font-size:26px;color:#fff;}
.hero-stats .stat span{font-size:12px;color:rgba(255,255,255,.5);text-transform:uppercase;letter-spacing:.08em;}
@media (max-width: 860px){.hero-grid{grid-template-columns:1fr;}}

/* ---------------- Hero Slider (admin-managed) ---------------- */
.hero-slider{position:relative;overflow:hidden;background:var(--ink);min-height:620px;}
.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .9s ease;z-index:1;}
.hero-slide.active{opacity:1;visibility:visible;z-index:2;}
.hero-slide picture,.hero-slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:0;}
.hero-slide::after{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(180deg, rgba(10,11,14,.35) 0%, rgba(10,11,14,.72) 78%, rgba(10,11,14,.88) 100%);}
.hero-slide-content{position:relative;z-index:2;max-width:640px;padding:130px 24px 140px;margin:0 auto;}
.hero-slider .container{position:relative;z-index:2;}
.hero-dots{position:absolute;bottom:26px;left:0;right:0;z-index:5;display:flex;gap:8px;justify-content:center;}
.hero-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.35);border:none;cursor:pointer;padding:0;transition:all .2s;}
.hero-dot.active{background:var(--grad);width:24px;border-radius:5px;}
.hero-slider-arrows{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;z-index:5;pointer-events:none;padding:0 18px;}
.hero-arrow{pointer-events:all;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;backdrop-filter:blur(6px);}
.hero-arrow:hover{background:rgba(255,255,255,.22);}
@media (max-width:760px){
  .hero-slider{min-height:560px;}
  .hero-slide-content{padding:150px 20px 100px;text-align:left;}
  .hero-slider-arrows{display:none;}
}

/* ---------------- Sections ---------------- */
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-dark{background:var(--ink);color:#fff;}
.section-dark p{color:rgba(255,255,255,.62);}
.section-dark h2{color:#fff;}
.section-dim{background:var(--paper-dim);}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* Node divider — the signature element, echoes the logo's connector mark */
.node-divider{width:100%;height:46px;margin:0 auto;opacity:.9;}

/* ---------------- Services grid ---------------- */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;min-width:0;}
@media (max-width:900px){.services-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.services-grid{grid-template-columns:1fr;}}
.service-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;transition:transform .18s ease, box-shadow .18s ease, border-color .18s;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent;}
.service-card .num{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--muted-2);}
.service-card .ic{
  width:46px;height:46px;border-radius:12px;background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--red);
}
.service-card h3{font-size:18px;margin-bottom:8px;}
.service-card p{font-size:14px;margin-bottom:14px;}
.service-card a{font-size:13px;font-weight:700;color:var(--red);}

/* ---------------- Product grid / cards ---------------- */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;min-width:0;}
@media (max-width:1000px){.product-grid{grid-template-columns:repeat(3,1fr);}}
@media (max-width:720px){.product-grid{grid-template-columns:repeat(2,1fr);}}
.product-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;
  transition:box-shadow .18s ease, transform .18s ease;position:relative;
}
.product-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.product-card .thumb{aspect-ratio:1/1;background:var(--paper-dim);overflow:hidden;}
.product-card .thumb img{width:100%;height:100%;object-fit:cover;}
.product-card .body{padding:16px;}
.product-card .cat{font-family:'JetBrains Mono',monospace;font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted-2);}
.product-card h4{font-size:15px;margin:6px 0 8px;}
.product-card .price{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:17px;}
.product-card .price .compare{font-family:'Inter',sans-serif;font-weight:400;font-size:13px;color:var(--muted-2);text-decoration:line-through;margin-left:6px;}
.badge{
  position:absolute;top:12px;left:12px;background:var(--grad);color:#fff;font-size:11px;font-weight:700;
  padding:4px 10px;border-radius:20px;font-family:'Inter',sans-serif;z-index:2;
}
.badge-out{background:#3a3c42;}

/* ---------------- Filters (shop) ---------------- */
.shop-layout{display:grid;grid-template-columns:250px 1fr;gap:36px;align-items:start;}
@media (max-width:860px){.shop-layout{grid-template-columns:1fr;}}
.product-layout{display:grid;grid-template-columns:1fr 1fr;gap:48px;}
@media (max-width:860px){.product-layout{grid-template-columns:1fr;gap:28px;}}

.why-ntr-layout{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.why-ntr-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;min-width:0;}
.why-ntr-card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);color:#fff;min-width:0;}
@media (max-width:860px){
  .why-ntr-layout{grid-template-columns:1fr;gap:28px;}
  .why-ntr-grid{grid-template-columns:1fr;}
}
.filter-box{border:1px solid var(--line);border-radius:var(--radius);padding:20px;}
.filter-box h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px;}
.filter-box label{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:6px 0;cursor:pointer;}

/* ---------------- Forms ---------------- */
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;
  font-family:'Inter',sans-serif;font-size:14px;background:#fff;color:var(--text);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:600px){.field-row{grid-template-columns:1fr;}}
.option-swatch{display:inline-flex;gap:8px;flex-wrap:wrap;}
.option-swatch button{
  padding:9px 16px;border:1.5px solid var(--line);border-radius:8px;background:#fff;
  font-size:13px;cursor:pointer;font-family:'Inter',sans-serif;
}
.option-swatch button.active{border-color:var(--red);background:var(--grad-soft);font-weight:700;}

.auth-card{max-width:440px;margin:0 auto;border:1px solid var(--line);border-radius:var(--radius);padding:36px;}

/* ---------------- Checkout (premium, mobile-first) ---------------- */
.checkout-section{padding:36px 0 80px;}

.checkout-steps{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:32px;flex-wrap:wrap;}
.checkout-step{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted-2);font-weight:600;}
.checkout-step span{
  width:26px;height:26px;border-radius:50%;background:var(--paper-dim);color:var(--muted-2);
  display:flex;align-items:center;justify-content:center;font-size:12px;
}
.checkout-step.done span{background:var(--ink);color:#fff;}
.checkout-step.active{color:var(--ink);}
.checkout-step.active span{background:var(--grad);color:#fff;}
.checkout-step-line{width:36px;height:1px;background:var(--line);}

.checkout-layout{display:grid;grid-template-columns:1fr 380px;gap:28px;align-items:start;}
.checkout-main{order:2;}
.checkout-summary{order:1;}
.checkout-card{margin-bottom:20px;}
.checkout-card h3{font-size:16px;margin-bottom:16px;}
.checkout-payment-note{font-size:13px;margin-bottom:16px;}
.btn-lg{padding:16px 26px;font-size:15px;}
.checkout-payments-badge{text-align:center;margin-top:16px;}

.summary-box{border:1px solid var(--line);border-radius:var(--radius);padding:0;background:var(--paper-dim);overflow:hidden;position:sticky;top:90px;}
.summary-toggle{
  width:100%;display:flex;justify-content:space-between;align-items:center;
  padding:18px 20px;background:none;border:none;cursor:default;font-size:14px;font-weight:700;
}
.summary-toggle-total{display:flex;align-items:center;gap:6px;font-family:'Space Grotesk',sans-serif;}
.summary-toggle .chevron{display:none;}
.summary-items{padding:0 20px 20px;}
.summary-item{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);}
.summary-item img{width:48px;height:48px;object-fit:cover;border-radius:8px;background:#fff;flex-shrink:0;}
.summary-item-info{flex:1;min-width:0;}
.summary-item-info p{margin:0;font-size:13px;font-weight:600;color:var(--text);}
.summary-item-info p span{font-weight:400;color:var(--muted-2);}
.summary-item-opts{font-size:11.5px;color:var(--muted-2);}
.summary-item-price{font-size:13px;font-weight:600;white-space:nowrap;}
.summary-row{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);padding:8px 0 0;}
.summary-row.total{font-size:17px;font-weight:800;color:var(--text);border-top:1px solid var(--line);margin-top:10px;padding-top:14px;}

@media (max-width: 900px){
  .checkout-layout{grid-template-columns:1fr;}
  .checkout-main{order:2;}
  .checkout-summary{order:1;}
  .summary-box{position:static;}
  .summary-toggle{cursor:pointer;}
  .summary-toggle .chevron{display:block;transition:transform .2s;}
  .summary-toggle.open .chevron{transform:rotate(180deg);}
  .summary-items{
    max-height:0;overflow:hidden;padding:0 20px;transition:max-height .25s ease, padding .25s ease;
  }
  .summary-items.open{max-height:600px;padding:0 20px 20px;overflow-y:auto;}
}
@media (max-width: 600px){
  .checkout-section{padding:20px 0 60px;}
  .checkout-steps{gap:6px;margin-bottom:22px;}
  .checkout-step span{width:22px;height:22px;font-size:11px;}
  .checkout-card{padding:18px;}
  .btn-lg{padding:15px 20px;font-size:14.5px;}
}
.cart-layout{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start;}
@media (max-width:860px){.cart-layout{grid-template-columns:1fr;gap:24px;}}
.cart-table-wrap{overflow-x:auto;}
.cart-table{width:100%;min-width:520px;border-collapse:collapse;}
.cart-table th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted-2);padding-bottom:12px;border-bottom:2px solid var(--ink);white-space:nowrap;}
.cart-table td{padding:16px 12px 16px 0;border-bottom:1px solid var(--line);vertical-align:middle;}
.cart-price-cell{white-space:nowrap;font-variant-numeric:tabular-nums;font-weight:600;}
.cart-row-prod{display:flex;gap:14px;align-items:center;}
.cart-row-prod img{width:64px;height:64px;object-fit:cover;border-radius:8px;background:var(--paper-dim);}
.qty-stepper{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:8px;}
.qty-stepper button{border:none;background:none;width:32px;height:32px;cursor:pointer;font-size:16px;}
.qty-stepper input{width:36px;border:none;text-align:center;font-family:'Inter',sans-serif;}
.cart-summary-box{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:var(--paper-dim);}
.summary-row{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);padding:6px 0;}
.summary-row.total{font-size:18px;font-weight:800;color:var(--text);border-top:1px solid var(--line);margin-top:10px;padding-top:14px;}

/* ---------------- Dashboard / admin shared shell ---------------- */
.app-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh;}
.app-sidebar{background:var(--ink);color:#fff;padding:24px 18px;}
.app-sidebar .brand{margin-bottom:30px;padding:0 8px;}
.app-sidebar nav a{
  display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:8px;
  color:rgba(255,255,255,.72);font-size:14px;font-weight:500;margin-bottom:2px;
}
.app-sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.app-sidebar nav a.active{background:var(--grad);color:#fff;font-weight:700;}
.app-main{padding:32px;background:var(--paper-dim);min-height:100vh;}
.app-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;}
@media (max-width:900px){.app-shell{grid-template-columns:1fr;}.app-sidebar{display:none;}}

.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:30px;}
@media (max-width:900px){.kpi-grid{grid-template-columns:repeat(2,1fr);}}
.kpi-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;}
.kpi-card .lbl{font-size:12px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.05em;}
.kpi-card .val{font-family:'Space Grotesk',sans-serif;font-size:28px;font-weight:700;margin-top:6px;}
.kpi-card .delta{font-size:12px;color:var(--red);margin-top:4px;}

.data-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.data-table th{background:var(--paper-dim);text-align:left;padding:12px 16px;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted-2);}
.data-table td{padding:14px 16px;border-top:1px solid var(--line);font-size:14px;}
.pill{display:inline-block;padding:4px 12px;border-radius:20px;font-size:11.5px;font-weight:700;text-transform:capitalize;}
.pill-paid,.pill-active,.pill-delivered{background:#e6f6ec;color:#1b8a4c;}
.pill-pending,.pill-processing{background:#fff3d6;color:#a2740c;}
.pill-failed,.pill-cancelled{background:#fde8e6;color:#c0362c;}
.pill-shipped,.pill-packed{background:#e6effd;color:#1c5fc4;}
.card-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;}

/* ---------------- Footer (premium) ---------------- */
.footer{background:var(--ink);color:rgba(255,255,255,.6);padding:0 0 26px;position:relative;}
.footer-accent-line{height:3px;background:var(--grad);}
.footer h5{color:#fff;font-family:'Space Grotesk',sans-serif;font-size:13px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:16px;}
.footer a{color:rgba(255,255,255,.65);}
.footer a:hover{color:#fff;}

.footer-top{
  display:grid;grid-template-columns:1.3fr 1fr 1.1fr;gap:40px;
  padding:52px 0 32px;min-width:0;
}
.footer-brand{padding-right:20px;}
.footer-logo{height:44px;width:auto;margin-bottom:12px;display:block;}
.footer-brand p{margin:0;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.5);max-width:280px;}

.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;font-weight:500;width:fit-content;}

.footer-contact-row{
  display:flex;align-items:flex-start;gap:10px;font-size:13.5px;margin-bottom:13px;color:rgba(255,255,255,.65);
}
.footer-contact-row svg{color:var(--coral);flex-shrink:0;margin-top:1px;}
.footer-contact-address span{line-height:1.5;}
.footer-whatsapp-pill{
  display:inline-flex;align-items:center;gap:8px;margin-top:6px;
  background:#25D366;color:#fff!important;font-size:13px;font-weight:700;
  padding:9px 16px;border-radius:22px;transition:filter .15s;
}
.footer-whatsapp-pill:hover{filter:brightness(1.08);}

@media (max-width:800px){
  .footer-top{grid-template-columns:1fr;gap:30px;padding:40px 0 26px;}
}

.footer-trust{
  display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:26px;
  padding:22px 0;margin-bottom:22px;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-trust-item{display:flex;align-items:center;gap:9px;font-size:12.5px;color:rgba(255,255,255,.55);}
.footer-trust-item svg{color:var(--coral);flex-shrink:0;}
.footer-payments-strip{background:#ffffff;padding:7px 14px;border-radius:8px;}
.footer-payments-strip img{display:block;}

.footer-bottom{font-size:12.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:rgba(255,255,255,.4);}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

.toast{position:fixed;bottom:24px;left:24px;background:var(--ink);color:#fff;padding:14px 20px;border-radius:10px;font-size:14px;z-index:999;box-shadow:var(--shadow);}

/* ---------------- WhatsApp float (pulsing, bottom-right) ---------------- */
.whatsapp-float{
  position:fixed;bottom:24px;right:24px;width:54px;height:54px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -6px rgba(0,0,0,.4);z-index:200;
}
.whatsapp-pulse{
  position:absolute;inset:0;border-radius:50%;background:#25D366;
  animation:ntr-wa-pulse 2.2s ease-out infinite;z-index:-1;
}
@keyframes ntr-wa-pulse{
  0%{transform:scale(1);opacity:.6;}
  100%{transform:scale(1.9);opacity:0;}
}
body.nav-open{overflow:hidden;}
.alert{padding:14px 18px;border-radius:10px;font-size:14px;margin-bottom:18px;}
.alert-error{background:#fde8e6;color:#c0362c;}
.alert-success{background:#e6f6ec;color:#1b8a4c;}

.breadcrumb{font-size:13px;color:var(--muted-2);margin-bottom:18px;}
.breadcrumb a{color:var(--muted);}