/* =========================================================
   GREYTOX SURGICAL INSTRUMENTS — Core Design System
   Colors are CSS variables so the Admin Panel can rewrite
   them live (see js/utils.js -> applyThemeColors)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root{
  /* Brand palette — sampled from the GreyTox logo (metallic silver + surgical green) */
  --c-green-900:#0a4f34;
  --c-green-800:#0c6a44;
  --c-green-700:#128257;   /* primary */
  --c-green-500:#1ba26e;
  --c-green-100:#e6f6ef;

  --c-silver-900:#3d4245;
  --c-silver-700:#6b7276;
  --c-silver-400:#a7adb1;
  --c-silver-200:#dde1e3;
  --c-silver-100:#f2f4f5;

  --c-ink:#14181a;
  --c-white:#ffffff;
  --c-danger:#c0392b;
  --c-warn:#c98a12;

  --font-display:'Plus Jakarta Sans', sans-serif;
  --font-body:'Inter', sans-serif;

  --radius:10px;
  --shadow-sm:0 2px 10px rgba(20,24,26,.06);
  --shadow-md:0 10px 30px rgba(20,24,26,.10);
  --shadow-lg:0 20px 50px rgba(20,24,26,.16);

  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--c-ink);
  background:var(--c-white);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.15;
  margin:0 0 .4em;
  color:var(--c-ink);
}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-tight{padding:40px 0}
:focus-visible{outline:3px solid var(--c-green-500);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- Suture-stitch signature divider ---------- */
.stitch{
  height:14px;
  width:100%;
  max-width:180px;
  margin:14px 0 28px;
  background-image:repeating-linear-gradient(
    100deg,
    var(--c-green-700) 0 10px,
    transparent 10px 22px
  );
  background-position:center;
  background-size:22px 2px;
  background-repeat:repeat-x;
  position:relative;
}
.stitch::before,.stitch::after{
  content:"";
  position:absolute;top:50%;
  width:2px;height:14px;
  background:var(--c-green-700);
  transform:translateY(-50%) rotate(20deg);
}
.stitch::before{left:0}
.stitch::after{right:0}
.stitch.center{margin-left:auto;margin-right:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:var(--radius);
  font-weight:600;font-size:15px;
  border:1px solid transparent;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-green-700);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--c-green-800);box-shadow:var(--shadow-md)}
.btn-outline{background:transparent;border-color:var(--c-silver-400);color:var(--c-ink)}
.btn-outline:hover{border-color:var(--c-green-700);color:var(--c-green-700)}
.btn-silver{background:linear-gradient(180deg,#eef0f1,#cfd4d6);color:var(--c-ink);border-color:var(--c-silver-400)}
.btn-silver:hover{background:linear-gradient(180deg,#f5f6f7,#d9dedf)}
.btn-whatsapp{background:#25D366;color:#06331d}
.btn-whatsapp:hover{background:#1fbd5a}
.btn-block{width:100%}
.btn-sm{padding:9px 16px;font-size:13px}
.btn-danger{background:var(--c-danger);color:#fff}
.btn[disabled]{opacity:.5;pointer-events:none}

/* ---------- Top info slider ---------- */
.top-slider{
  background:var(--c-ink);
  color:var(--c-silver-200);
  font-size:13px;
  overflow:hidden;
  white-space:nowrap;
  position:relative;
  height:34px;
}
.top-slider__track{
  display:inline-flex;
  gap:60px;
  position:absolute;
  white-space:nowrap;
  animation:slide 22s linear infinite;
  padding-left:100%;
  align-items:center;
  height:100%;
}
.top-slider__track span{display:inline-flex;align-items:center;gap:6px}
@keyframes slide{
  0%{transform:translateX(0)}
  100%{transform:translateX(-100%)}
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:500;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--c-silver-200);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 0;
}
.nav__logo{display:flex;align-items:center;gap:10px}
.nav__logo img{height:52px;width:auto}
.nav__links{display:flex;align-items:center;gap:20px;list-style:none;margin:0;padding:0;flex-wrap:nowrap}
.nav__links a{
  font-family:var(--font-display);
  font-weight:600;letter-spacing:.02em;text-transform:uppercase;font-size:13px;
  padding:6px 2px;border-bottom:2px solid transparent;white-space:nowrap;
  transition:border-color .15s, color .15s;
}
.nav__links a:hover,.nav__links a.active{border-color:var(--c-green-700);color:var(--c-green-700)}
.nav__cta{display:flex;gap:10px;align-items:center;flex-shrink:0}
.nav__burger{display:none;background:none;border:none;font-size:26px}
@media (max-width:1220px){
  .nav__links{
    position:fixed;inset:64px 0 0 0;background:#fff;flex-direction:column;
    padding:30px 24px;gap:20px;transform:translateX(100%);white-space:normal;
    transition:transform .25s ease;overflow-y:auto;
    z-index:9999;align-items:flex-start;
  }
  .nav__links a{font-size:15px}
  .nav__links.open{transform:translateX(0)}
  .nav__burger{display:block;position:relative;z-index:9999}
  .nav__cta .btn span{display:none}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:
    radial-gradient(1000px 480px at 88% -10%, var(--c-green-100), transparent 60%),
    linear-gradient(180deg,#fff,var(--c-silver-100));
  padding:80px 0 60px;
  overflow:hidden;
}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;text-align:left}
.hero__text{text-align:left}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-display);font-weight:600;letter-spacing:.14em;
  color:var(--c-green-700);font-size:13.5px;text-transform:uppercase;
  border:1px solid var(--c-green-700);border-radius:999px;padding:6px 14px;
}
.hero h1{font-size:clamp(34px,4.6vw,58px);color:var(--c-ink);text-align:left}
.hero p.lead{font-size:17.5px;color:var(--c-silver-900);max-width:52ch;margin:18px 0 28px;text-align:left}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero__stats{display:flex;gap:34px;margin-top:44px;flex-wrap:wrap}
.hero__stats div b{
  font-family:var(--font-display);font-size:32px;display:block;color:var(--c-ink);
}
.hero__stats div span{font-size:13px;color:var(--c-silver-700);text-transform:uppercase;letter-spacing:.05em}
.hero__art{
  position:relative;background:linear-gradient(160deg,var(--c-green-100),#fff 65%);
  border-radius:24px;box-shadow:var(--shadow-lg);padding:22px;
  border:1px solid var(--c-silver-200);
}
.hero__art img{border-radius:16px;width:100%;display:block;object-fit:cover;aspect-ratio:4/3.4}
@media (max-width:900px){
  .hero__grid{grid-template-columns:1fr}
  .hero__art{order:-1}
}

/* ---------- Section heading ---------- */
.sec-head{max-width:640px;margin-bottom:36px}
.sec-head .eyebrow{
  font-family:var(--font-display);font-weight:600;letter-spacing:.14em;
  color:var(--c-green-700);font-size:13px;text-transform:uppercase;
}
.sec-head h2{font-size:clamp(26px,3.4vw,40px)}
.sec-head p{color:var(--c-silver-900);font-size:16px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- Category chips ---------- */
.chip-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.chip{
  padding:9px 18px;border-radius:999px;border:1px solid var(--c-silver-400);
  font-size:14px;font-weight:600;background:#fff;transition:.15s;
}
.chip:hover{border-color:var(--c-green-700)}
.chip.active{background:var(--c-green-700);border-color:var(--c-green-700);color:#fff}

/* ---------- Product grid & cards ---------- */
.grid{display:grid;gap:26px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
#productsGrid,#homeProducts,#studentGrid{align-items:start}
@media (max-width:1000px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid-3,.grid-4{grid-template-columns:1fr}}

.card-product{
  background:#fff;border:1px solid var(--c-silver-200);border-radius:var(--radius);
  overflow:hidden;transition:box-shadow .2s, transform .2s;display:flex;flex-direction:column;
}
.card-product:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.card-product__img{aspect-ratio:1/1;background:var(--c-silver-100);overflow:hidden;position:relative}
.card-product__img img{width:100%;height:100%;object-fit:cover}
.badge{
  position:absolute;top:10px;left:10px;background:var(--c-green-700);color:#fff;
  font-size:11.5px;font-weight:700;letter-spacing:.04em;padding:5px 10px;border-radius:6px;
  text-transform:uppercase;
}
.badge.off{background:var(--c-danger)}
.card-product__body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:4px}
.card-product__cat{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--c-green-700);font-weight:700}
.card-product__name{font-family:var(--font-display);font-size:19px;font-weight:700;text-transform:none;letter-spacing:0}
.card-product__more{font-size:12.5px;font-weight:600;color:var(--c-silver-700);margin-bottom:4px}
.card-product__more:hover{color:var(--c-green-700)}
.card-product__foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:6px}
.price{font-family:var(--font-display);font-size:18px;font-weight:700}
.price .old{color:var(--c-silver-400);text-decoration:line-through;font-size:14px;margin-right:6px}

/* ---------- Rich text product description rendering ---------- */
.rich-content table{border-collapse:collapse;width:100%;margin:14px 0}
.rich-content table td,.rich-content table th{border:1px solid var(--c-silver-200);padding:8px 10px;font-size:14px}
.rich-content ul,.rich-content ol{padding-left:22px}
.rich-content blockquote{border-left:3px solid var(--c-green-700);padding-left:14px;color:var(--c-silver-700)}

/* ---------- Feature / info blocks ---------- */
.feature-card{
  background:#fff;border:1px solid var(--c-silver-200);border-radius:var(--radius);
  padding:26px;
}
.feature-card .ico{
  width:48px;height:48px;border-radius:10px;background:var(--c-green-100);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--c-green-700);font-size:22px;
}
.feature-card h3{font-size:19px;text-transform:none;letter-spacing:0}
.feature-card p{color:var(--c-silver-700);font-size:14.5px;margin:0}

/* ---------- Courier strip ---------- */
.courier-strip{
  background:var(--c-silver-100);border-top:1px solid var(--c-silver-200);border-bottom:1px solid var(--c-silver-200);
  padding:26px 0;
}
.courier-strip__row{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.courier-strip__logos{display:flex;align-items:center;gap:34px;flex-wrap:wrap}
.courier-strip__logos img{height:30px;width:auto;filter:grayscale(1);opacity:.75;transition:.2s}
.courier-strip__logos img:hover{filter:none;opacity:1}
.courier-strip__note{font-size:13.5px;color:var(--c-silver-700);max-width:340px}
.courier-strip__note b{color:var(--c-ink)}

/* ---------- Feedback / testimonials ---------- */
.fb-card{background:#fff;border:1px solid var(--c-silver-200);border-radius:var(--radius);padding:22px}
.fb-card__stars{color:#e0a415;font-size:15px;margin-bottom:10px}
.fb-card p{font-size:14.5px;color:var(--c-silver-900)}
.fb-card__who{display:flex;align-items:center;gap:10px;margin-top:14px}
.fb-card__avatar{
  width:38px;height:38px;border-radius:50%;background:var(--c-green-700);color:#fff;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;
}
.fb-card__who b{display:block;font-size:14px}
.fb-card__who span{font-size:12px;color:var(--c-silver-700)}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:700px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-size:13.5px;font-weight:600;color:var(--c-ink)}
.field input,.field select,.field textarea{
  padding:12px 14px;border:1px solid var(--c-silver-400);border-radius:8px;font-size:14.5px;
  font-family:inherit;background:#fff;color:var(--c-ink);
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-green-700)}
.field textarea{resize:vertical;min-height:110px}
.form-card{background:#fff;border:1px solid var(--c-silver-200);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}

/* ---------- Deal builder rows ---------- */
.deal-row{
  display:grid;grid-template-columns:2fr 1fr 1.2fr auto;gap:12px;align-items:end;
  padding:14px;background:var(--c-silver-100);border-radius:8px;margin-bottom:10px;
}
@media (max-width:760px){.deal-row{grid-template-columns:1fr}}
.deal-row .field{margin:0}
.icon-x{width:38px;height:38px;border-radius:8px;border:1px solid var(--c-silver-400);background:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--c-danger)}

/* ---------- Timeline / Previous orders ---------- */
.order-row{
  display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--c-silver-200);
  border-radius:var(--radius);padding:16px 18px;margin-bottom:12px;flex-wrap:wrap;
}
.order-row img{width:64px;height:64px;object-fit:cover;border-radius:8px;background:var(--c-silver-100)}
.order-row .meta{flex:1;min-width:180px}
.order-row .meta b{font-family:var(--font-display);font-size:17px}
.order-row .meta span{display:block;font-size:13px;color:var(--c-silver-700)}
.tag-status{padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;text-transform:uppercase;background:var(--c-green-100);color:var(--c-green-700)}

/* ---------- Certificates ---------- */
.cert-card{background:#fff;border:1px solid var(--c-silver-200);border-radius:var(--radius);overflow:hidden}
.cert-card__img{aspect-ratio:1/1.414;background:var(--c-silver-100);overflow:hidden;position:relative}
.cert-card__img img{width:100%;height:100%;object-fit:cover;filter:blur(6px);transform:scale(1.03);transition:filter .25s}
.cert-card__img:hover img{filter:blur(2px)}
.cert-card__lock{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;
  color:#fff;background:rgba(10,20,15,.28);font-family:var(--font-display);letter-spacing:.06em;font-size:13px;text-transform:uppercase;
}
.cert-card__cap{padding:12px 14px;font-size:14px;font-weight:600}

/* ---------- Catalog / document cards (PDF preview) ---------- */
.doc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}
.doc-card{background:#fff;border:1px solid var(--c-silver-200);border-radius:var(--radius);overflow:hidden;transition:.2s}
.doc-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.doc-card__thumb{aspect-ratio:1/1.414;background:var(--c-silver-100);overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center}
.doc-card__thumb canvas{width:100%;height:100%;object-fit:cover}
.doc-card__body{padding:14px}
.doc-card__body h4{font-size:14.5px;margin:0 0 4px;font-family:var(--font-display)}
.doc-card__body span{font-size:12px;color:var(--c-silver-700)}

/* ---------- Catalog cards ---------- */
.cat-card{
  background:#fff;border:1px solid var(--c-silver-200);border-radius:var(--radius);padding:24px 22px;
  display:flex;align-items:center;transition:.2s;
}
.cat-card:hover{border-color:var(--c-green-500);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.cat-card__info{flex:1}
.cat-card__info b{font-family:var(--font-display);font-size:17px;display:block;color:var(--c-ink)}
.cat-card__info span{font-size:12.5px;color:var(--c-green-700);font-weight:600;margin-top:4px;display:inline-block}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-ink);color:var(--c-silver-200);padding:60px 0 26px;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.footer-grid ul a{font-size:14px;color:var(--c-silver-400);transition:.15s}
.footer-grid ul a:hover{color:#fff}
.footer-logo{display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none}
.footer-logo img{height:74px;filter:brightness(0) invert(1);opacity:.95}
.footer-about p{color:var(--c-silver-400);font-size:14px;max-width:34ch}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{
  width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;transition:.15s;
}
.footer-social a:hover{background:var(--c-green-700)}
.footer-social img{width:18px;height:18px;object-fit:contain;filter:brightness(0) invert(1)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--c-silver-700);
}

/* ---------- Modal ---------- */
.modal-overlay{
  position:fixed;inset:0;background:rgba(10,15,12,.55);display:none;align-items:center;justify-content:center;
  z-index:1000;padding:20px;
}
.modal-overlay.open{display:flex}
.modal-box{background:#fff;border-radius:14px;padding:30px;max-width:420px;width:100%;box-shadow:var(--shadow-lg)}
.modal-box h3{margin-bottom:6px}
.modal-box p.hint{font-size:13px;color:var(--c-silver-700);margin-bottom:18px}
.modal-close-row{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}

/* ---------- Toast ---------- */
.toast{
  position:fixed;bottom:24px;right:24px;background:var(--c-ink);color:#fff;padding:14px 20px;border-radius:10px;
  font-size:14px;box-shadow:var(--shadow-lg);z-index:2000;opacity:0;transform:translateY(12px);transition:.25s;
  max-width:320px;
}
.toast.show{opacity:1;transform:translateY(0)}
.toast.error{background:var(--c-danger)}
.toast.success{background:var(--c-green-800)}

/* ---------- Misc utility ---------- */
.text-center{text-align:center}
.muted{color:var(--c-silver-700)}
.mt-0{margin-top:0}
.empty-state{
  text-align:center;padding:60px 20px;color:var(--c-silver-700);border:1px dashed var(--c-silver-400);
  border-radius:var(--radius);
}
.skeleton{background:linear-gradient(90deg,var(--c-silver-100) 25%,var(--c-silver-200) 37%,var(--c-silver-100) 63%);
  background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:8px;}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* whatsapp float */
.wa-float{
  position:fixed;bottom:22px;left:22px;width:58px;height:58px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);z-index:150;
  overflow:hidden;
}
.wa-float img{width:100%;height:100%;object-fit:cover}

/* ---------- Extra mobile polish ---------- */
@media (max-width:480px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .hero{padding:56px 0 40px}
  .hero__actions{flex-direction:column;width:100%}
  .hero__actions .btn{width:100%}
  .hero__stats{gap:20px}
  .hero__stats div b{font-size:24px}
  .sec-head{flex-direction:column;align-items:flex-start}
  .chip-row{gap:8px}
  .chip{padding:8px 14px;font-size:12.5px}
  .p-card__row{flex-direction:column}
  .form-card{padding:22px}
  .testi-grid,.feature-grid,.grid-3,.grid-4{grid-template-columns:1fr!important}
  .courier-strip{flex-direction:column;text-align:center}
}
.admin-table-wrap{width:100%;overflow-x:auto}
@media (max-width:640px){
  .admin-main{padding:18px 16px}
  .admin-topbar{flex-wrap:wrap;gap:10px}
  .admin-panel{padding:16px}
  .stat-cards{grid-template-columns:1fr 1fr;gap:10px}
  .admin-drawer{padding:20px 18px 90px}
}