/* =============================================================
   Kovabio (Shanghai) Biotechnology
   Design system: "Molecular Precision"
   Brand gradient: teal #3FB1A7 -> cyan #1F9FBC
   ============================================================= */

/* ---------- Tokens ---------- */
:root{
  /* brand */
  --teal:#3FB1A7;
  --cyan:#1F9FBC;
  --teal-deep:#2E8F92;
  --cyan-deep:#136a83;
  --grad:linear-gradient(120deg,#3FB1A7 0%,#2CA6B2 45%,#1F9FBC 100%);
  --grad-soft:linear-gradient(120deg,rgba(63,177,167,.12),rgba(31,159,188,.12));

  /* ink / neutrals */
  --ink:#0E2A31;         /* darkest: headings, dark sections */
  --ink-2:#13343C;
  --ink-3:#1c4650;
  --slate:#5A6B71;       /* body text muted */
  --slate-2:#5C6B70;
  --line:#E6ECEE;        /* hairline */
  --line-2:#d3dee0;
  --bg:#FFFFFF;
  --bg-soft:#F4F8F9;     /* very light teal-gray */
  --bg-soft-2:#EAF2F3;
  --white:#fff;

  /* effects */
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:26px;
  --shadow-sm:0 1px 2px rgba(14,42,49,.05),0 1px 3px rgba(14,42,49,.06);
  --shadow:0 6px 18px -6px rgba(14,42,49,.14),0 2px 6px rgba(14,42,49,.06);
  --shadow-lg:0 24px 48px -18px rgba(14,42,49,.22),0 8px 20px -12px rgba(14,42,49,.12);
  --ring:0 0 0 4px rgba(31,159,188,.55);

  --maxw:1200px;
  --gutter:clamp(20px,5vw,48px);

  --ff-display:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ff-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.62;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--ff-display);color:var(--ink);line-height:1.1;margin:0;letter-spacing:-.02em;font-weight:800}
p{margin:0}
:focus-visible{outline:none;box-shadow:var(--ring)}
.skip-link{position:absolute;left:12px;top:-60px;z-index:200;background:var(--ink);color:#fff;padding:12px 18px;border-radius:0 0 12px 12px;font-family:var(--ff-display);font-weight:700;font-size:.9rem;transition:top .2s var(--ease)}
.skip-link:focus{top:0}
/* Visually hidden but available to screen readers */
.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}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(64px,8vw,120px);position:relative}
.section--soft{background:var(--bg-soft)}
.section--tint{background:linear-gradient(180deg,#fff, var(--bg-soft))}
.section--ink{background:var(--ink);color:#cfe3e6}
.section--ink h1,.section--ink h2,.section--ink h3{color:#fff}
.section--flush{padding-block:0}
.narrow{max-width:760px}

/* Section headings */
.eyebrow{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--ff-display);font-weight:700;font-size:.78rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--cyan-deep);
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.section--ink .eyebrow{color:#7fd7d1}
.section-head{max-width:680px;margin-bottom:52px}
.section-head.center{margin-inline:auto;text-align:center}
.section-title{font-size:clamp(1.9rem,3.6vw,2.9rem);letter-spacing:-.03em}
.section-sub{margin-top:18px;color:var(--slate);font-size:1.075rem;max-width:60ch}
.section--ink .section-sub{color:#a9c6ca}
.center .section-sub{margin-inline:auto}
.text-grad{background:linear-gradient(120deg,#2E8F92,#136a83);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Buttons ---------- */
.btn{
  --btn-bg:var(--ink);--btn-fg:#fff;
  display:inline-flex;align-items:center;justify-content:center;gap:.6em;
  font-family:var(--ff-display);font-weight:700;font-size:.95rem;line-height:1;
  padding:15px 26px;border-radius:999px;border:1px solid transparent;
  background:var(--btn-bg);color:var(--btn-fg);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s,border-color .25s;
  white-space:nowrap;
}
.btn svg{width:1.05em;height:1.05em}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px -10px rgba(31,159,188,.7)}
.btn--primary:hover{box-shadow:0 16px 30px -12px rgba(31,159,188,.75)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:var(--ink-2)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--teal);color:var(--cyan-deep);background:#fff}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{background:#f0f6f7}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn--outline-light:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn--lg{padding:18px 34px;font-size:1.02rem}
.btn--sm{padding:11px 18px;font-size:.86rem}
.btn--block{display:flex;width:100%}
.btn--tg{background:#229ED9;color:#fff;box-shadow:0 10px 24px -10px rgba(34,158,217,.75)}
.btn--tg:hover{background:#1c8fc6;box-shadow:0 16px 30px -12px rgba(34,158,217,.8)}
/* Buttons with their own resting box-shadow clobber the global :focus-visible ring
   (box-shadow is not additive); restore a visible keyboard focus ring on those. */
.btn--primary:focus-visible{box-shadow:var(--ring),0 10px 24px -10px rgba(31,159,188,.7)}
.btn--tg:focus-visible{box-shadow:var(--ring),0 10px 24px -10px rgba(34,158,217,.75)}
.tg-badge{width:74px;height:74px;border-radius:22px;background:#229ED9;color:#fff;display:inline-grid;place-items:center;margin-bottom:20px;box-shadow:0 14px 30px -12px rgba(34,158,217,.7)}
.tg-badge svg{width:38px;height:38px}
.tg-alt{margin-top:26px;padding-top:24px;border-top:1px solid var(--line)}
.tg-alt__opts{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:14px 0 16px}
.arrow-link{display:inline-flex;align-items:center;gap:.5em;font-family:var(--ff-display);font-weight:700;color:var(--cyan-deep);font-size:.95rem}
.arrow-link svg{width:1.1em;height:1.1em;transition:transform .25s var(--ease)}
.arrow-link:hover svg{transform:translateX(4px)}

/* ---------- Pills / badges ---------- */
.pill{
  display:inline-flex;align-items:center;gap:.5em;
  padding:7px 14px;border-radius:999px;font-size:.78rem;font-weight:600;
  background:var(--bg-soft-2);color:var(--ink-3);border:1px solid var(--line);
}
.pill--grad{background:var(--grad-soft);color:var(--cyan-deep);border-color:rgba(31,159,188,.2)}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--teal)}
.cas{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:.8rem;letter-spacing:.02em}

/* =============================================================
   HEADER / NAV
   ============================================================= */
.site-header{position:sticky;top:0;z-index:60;transition:background .3s,box-shadow .3s,border-color .3s}
.site-header{background:rgba(255,255,255,.82);backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line)}
.site-header.scrolled{box-shadow:var(--shadow-sm);background:rgba(255,255,255,.92)}
.nav{display:flex;align-items:center;gap:28px;height:74px}
.nav__logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav__logo img{height:38px;width:auto}
.nav__logo .wordmark{font-family:var(--ff-display);font-weight:800;font-size:1.42rem;letter-spacing:-.02em;color:var(--ink)}
.nav__logo .wordmark b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav__links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav__link{
  position:relative;display:inline-flex;align-items:center;gap:.35em;
  font-family:var(--ff-display);font-weight:600;font-size:.94rem;color:var(--ink-2);
  padding:10px 15px;border-radius:10px;transition:color .2s,background .2s;
}
.nav__link:hover,.nav__link.active{color:var(--cyan-deep);background:var(--bg-soft)}
.nav__link.active{color:var(--cyan-deep)}
.nav__link .chev{width:14px;height:14px;transition:transform .25s}
.has-dropdown{position:relative}
.has-dropdown:hover .chev{transform:rotate(180deg)}
.dropdown{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);
  min-width:280px;background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-lg);padding:10px;opacity:0;visibility:hidden;transition:.25s var(--ease);
}
.has-dropdown:hover .dropdown,.has-dropdown:focus-within .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown a{display:flex;gap:12px;align-items:flex-start;padding:11px 13px;border-radius:11px;transition:background .18s}
.dropdown a:hover{background:var(--bg-soft)}
.dropdown .d-ico{width:34px;height:34px;flex:none;border-radius:9px;background:var(--grad-soft);display:grid;place-items:center;color:var(--cyan-deep)}
.dropdown .d-ico svg{width:18px;height:18px}
.dropdown .d-t{display:block;font-family:var(--ff-display);font-weight:700;font-size:.9rem;color:var(--ink)}
.dropdown .d-d{display:block;margin-top:2px;font-size:.78rem;color:var(--slate-2);line-height:1.4}
.nav__actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav__toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:11px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav__toggle span{width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}
body.menu-open .nav__toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .nav__toggle span:nth-child(2){opacity:0}
body.menu-open .nav__toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile menu */
.mobile-menu{position:fixed;inset:74px 0 0;z-index:55;background:#fff;transform:translateX(100%);transition:transform .35s var(--ease);overflow-y:auto;padding:20px var(--gutter) 60px;visibility:hidden}
body.menu-open .mobile-menu{transform:translateX(0);visibility:visible}
.mobile-menu a{display:block;padding:16px 4px;font-family:var(--ff-display);font-weight:600;font-size:1.15rem;border-bottom:1px solid var(--line);color:var(--ink)}
.mobile-menu .mm-sub a{font-size:.98rem;font-weight:500;color:var(--slate);padding:11px 4px 11px 18px;border:none}
.mobile-menu .mm-group{padding-block:6px}
.mobile-menu .btn{margin-top:24px}

/* =============================================================
   HERO
   ============================================================= */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%)}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-block:clamp(56px,8vw,104px)}
.hero__content{position:relative;z-index:2;max-width:620px}
.hero h1{font-size:clamp(2.4rem,5.2vw,4.05rem);letter-spacing:-.035em;line-height:1.03}
.hero__lead{margin-top:24px;font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--slate);max-width:52ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero__trust{margin-top:40px;display:flex;flex-wrap:wrap;gap:26px 34px;align-items:center}
.hero__trust .t-item{display:flex;align-items:center;gap:10px}
.hero__trust .t-num{font-family:var(--ff-display);font-weight:800;font-size:1.5rem;color:var(--ink);line-height:1}
.hero__trust .t-lbl{font-size:.82rem;color:var(--slate);line-height:1.25}
.hero__visual{position:relative;z-index:2;min-height:420px}
/* floating molecule visual */
.hero__panel{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--grad);box-shadow:var(--shadow-lg);aspect-ratio:1/1;display:grid;place-items:center}
.hero__panel .mol{position:absolute;inset:0;opacity:.9}
.hero__panel .logo-lg{width:58%;filter:drop-shadow(0 12px 24px rgba(0,0,0,.18))}
.hero__float{position:absolute;background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.6);border-radius:14px;box-shadow:var(--shadow-lg);padding:13px 16px;display:flex;align-items:center;gap:12px;backdrop-filter:blur(6px)}
.hero__float .hf-ico{width:38px;height:38px;border-radius:10px;background:var(--grad-soft);display:grid;place-items:center;color:var(--cyan-deep);flex:none}
.hero__float .hf-t{font-family:var(--ff-display);font-weight:800;font-size:.98rem;color:var(--ink);line-height:1}
.hero__float .hf-d{font-size:.74rem;color:var(--slate);margin-top:3px}
.hero__float.tl{top:6%;left:-6%}
.hero__float.br{bottom:8%;right:-5%}
.hero__blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;z-index:0}
.hero__blob.b1{width:420px;height:420px;background:rgba(63,177,167,.4);top:-120px;right:-60px}
.hero__blob.b2{width:380px;height:380px;background:rgba(31,159,188,.32);bottom:-140px;left:-100px}

/* molecule background pattern (decorative svg lines) */
.mol-bg{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5}

/* =============================================================
   GENERIC CARDS / GRIDS
   ============================================================= */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* 3-up like .grid-3, but flex so a short final row centres rather than
   leaving a hole on the right. Card count need not be a multiple of 3. */
.cat-grid{display:flex;flex-wrap:wrap;justify-content:center}
.cat-grid>.cat-card{flex:0 1 calc((100% - 48px)/3)}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}

/* Category card */
.cat-card{position:relative;display:flex;flex-direction:column;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.cat-card::after{content:"";position:absolute;inset:0;background:var(--grad);opacity:0;transition:opacity .3s;z-index:0}
.cat-card>*{position:relative;z-index:1;transition:color .3s}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.cat-card:hover::after{opacity:1}
.cat-card:hover .cat-ico{background:rgba(255,255,255,.2);color:#fff}
.cat-card:hover .cat-title,.cat-card:hover .cat-desc,.cat-card:hover .cat-count,.cat-card:hover .cat-more{color:#fff}
.cat-ico{width:52px;height:52px;border-radius:13px;background:var(--grad-soft);display:grid;place-items:center;color:var(--cyan-deep);transition:.3s}
.cat-ico svg{width:26px;height:26px}
.cat-title{font-family:var(--ff-display);font-weight:800;font-size:1.16rem}
.cat-desc{font-size:.9rem;color:var(--slate);line-height:1.5}
.cat-count{font-size:.8rem;font-weight:600;color:var(--slate-2)}
.cat-more{margin-top:auto;display:inline-flex;align-items:center;gap:.4em;font-family:var(--ff-display);font-weight:700;font-size:.86rem;color:var(--cyan-deep)}
.cat-more svg{width:1em;height:1em;transition:transform .25s}
.cat-card:hover .cat-more svg{transform:translateX(4px)}

/* Feature / value / step */
.feature{display:flex;flex-direction:column;gap:14px}
.feature .f-ico{width:54px;height:54px;border-radius:14px;background:var(--grad);display:grid;place-items:center;color:#fff;box-shadow:0 10px 22px -10px rgba(31,159,188,.6)}
.feature .f-ico svg{width:26px;height:26px}
.feature h3{font-size:1.2rem}
.feature p{color:var(--slate);font-size:.96rem}
.section--ink .feature p{color:#a9c6ca}
.section--ink .feature .f-ico{background:rgba(255,255,255,.1);box-shadow:none}

/* Stats band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;padding:8px}
.stat .s-num{font-family:var(--ff-display);font-weight:800;font-size:clamp(2.1rem,4vw,3rem);line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.section--ink .stat .s-num{background:linear-gradient(120deg,#7fd7d1,#8fdcea);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .s-lbl{margin-top:10px;font-size:.9rem;color:var(--slate);font-weight:500}
.section--ink .stat .s-lbl{color:#a9c6ca}

/* logos strip */
.logos{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:16px 40px}
.logos .lg{font-family:var(--ff-display);font-weight:700;color:var(--slate-2);font-size:1.05rem;letter-spacing:.02em;opacity:.85}

/* Product card */
.product-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;cursor:pointer}
.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--teal)}
.product-card .pc-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}
.product-card .pc-cat{font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--cyan-deep)}
.product-card .pc-name{font-family:var(--ff-display);font-weight:700;font-size:1.02rem;line-height:1.3;color:var(--ink);margin-bottom:6px;word-break:break-word}
.product-card .pc-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:flex-end;gap:10px}
.product-card .pc-meta-l{display:flex;flex-direction:column;gap:4px;min-width:0}
.product-card .pc-price{font-family:var(--ff-display);font-weight:700;font-size:1.05rem;color:var(--cyan-deep);line-height:1}
.product-card .pc-price .pc-unit{font-size:.72rem;font-weight:600;color:var(--slate-2)}
.product-card .pc-cas{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.8rem;color:var(--slate)}
.product-card .pc-badge{width:36px;height:36px;border-radius:9px;background:var(--grad-soft);display:grid;place-items:center;color:var(--cyan-deep);flex:none;transition:.25s}
.product-card:hover .pc-badge{background:var(--grad);color:#fff}

/* =============================================================
   PRODUCTS / CATALOG PAGE
   ============================================================= */
.catalog{display:grid;grid-template-columns:270px 1fr;gap:38px;align-items:start}
.catalog__rail{position:sticky;top:98px}
.rail-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px;box-shadow:var(--shadow-sm)}
.rail-title{font-family:var(--ff-display);font-weight:800;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-2);padding:12px 14px 8px}
.rail-cat{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;text-align:left;padding:11px 14px;border-radius:11px;border:none;background:transparent;font-family:var(--ff-display);font-weight:600;font-size:.92rem;color:var(--ink-2);transition:background .2s,color .2s}
.rail-cat:hover{background:var(--bg-soft)}
.rail-cat.active{background:var(--grad);color:#fff}
.rail-cat .rc-count{font-size:.76rem;font-weight:600;padding:2px 9px;border-radius:999px;background:var(--bg-soft-2);color:var(--slate)}
.rail-cat.active .rc-count{background:rgba(255,255,255,.24);color:#fff}
.catalog__main{min-width:0}
.catalog__toolbar{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-bottom:24px}
.search{position:relative;flex:1;min-width:240px}
.search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--slate-2)}
.search input{width:100%;padding:14px 16px 14px 46px;border:1px solid var(--line-2);border-radius:12px;font-family:inherit;font-size:.95rem;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s}
.search input:focus{outline:none;border-color:var(--teal);box-shadow:var(--ring)}
.result-count{font-size:.88rem;color:var(--slate);font-weight:500}
.select-sort{padding:13px 16px;border:1px solid var(--line-2);border-radius:12px;background:#fff;font-family:inherit;font-size:.9rem;color:var(--ink)}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.empty-state{text-align:center;padding:60px 20px;color:var(--slate)}
.empty-state svg{width:52px;height:52px;color:var(--line-2);margin:0 auto 16px}
.mobile-cat-select{display:none}

/* Product detail modal */
.pdp-overlay{position:fixed;inset:0;z-index:100;background:rgba(14,42,49,.55);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:.3s;display:grid;place-items:center;padding:20px}
.pdp-overlay.open{opacity:1;visibility:visible}
.pdp{background:#fff;border-radius:var(--radius-lg);max-width:620px;width:100%;max-height:88vh;overflow-y:auto;box-shadow:var(--shadow-lg);transform:translateY(16px) scale(.98);transition:.3s var(--ease)}
.pdp-overlay.open .pdp{transform:none}
.pdp__head{background:var(--grad);color:#fff;padding:28px 30px;position:relative}
.pdp__head .pdp-cat{font-size:.76rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;opacity:.9}
.pdp__head h3{color:#fff;font-size:1.5rem;margin-top:8px;line-height:1.2}
.pdp__x{position:absolute;top:18px;right:18px;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.2);border:none;color:#fff;display:grid;place-items:center;transition:background .2s}
.pdp__x:hover{background:rgba(255,255,255,.35)}
.pdp__x svg{width:20px;height:20px}
.pdp__body{padding:26px 30px 30px}
.pdp__specs{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:24px}
.spec{background:var(--bg-soft);border-radius:12px;padding:14px 16px}
.spec .sp-l{font-size:.74rem;text-transform:uppercase;letter-spacing:.05em;color:var(--slate-2);font-weight:600}
.spec .sp-v{font-family:var(--ff-display);font-weight:700;color:var(--ink);margin-top:4px;word-break:break-word}
.spec .sp-v.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:500;font-size:.95rem}
.pdp__note{font-size:.9rem;color:var(--slate);background:var(--bg-soft);border-left:3px solid var(--teal);padding:14px 16px;border-radius:0 10px 10px 0;margin-bottom:22px}
.pdp__actions{display:flex;gap:12px;flex-wrap:wrap}
.pdp__coa{margin-bottom:22px}
.pdp__coa-h{font-family:var(--ff-display);font-weight:700;font-size:.95rem;color:var(--ink);margin-bottom:10px}
.coa-img{width:100%;display:block;border:1px solid var(--line-2);border-radius:8px;box-shadow:var(--shadow-sm);-webkit-user-select:none;user-select:none;-webkit-user-drag:none}
.coa-note{margin-top:8px;font-size:.76rem;color:var(--slate);line-height:1.5}
.price-note{margin:0 0 20px;font-size:.8rem;color:var(--slate);line-height:1.5}
.contact-prefill{max-width:46ch;margin:0 auto 24px;padding:12px 16px;background:var(--grad-soft);border:1px solid rgba(31,159,188,.25);border-radius:12px;font-size:.9rem;color:var(--ink-2);line-height:1.5}

/* =============================================================
   CERTS / QUALITY
   ============================================================= */
.cert-card{display:flex;flex-direction:column;gap:16px;text-align:center;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;transition:transform .3s var(--ease),box-shadow .3s}
.cert-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cert-card .c-seal{width:74px;height:74px;border-radius:50%;background:var(--grad);display:grid;place-items:center;color:#fff;box-shadow:0 12px 24px -10px rgba(31,159,188,.6)}
.cert-card .c-seal svg{width:34px;height:34px}
.cert-card .c-code{font-family:var(--ff-display);font-weight:800;font-size:1.2rem}
.cert-card .c-name{font-size:.86rem;color:var(--slate)}

/* Process steps */
.steps{counter-reset:step;display:grid;gap:24px}
.step{position:relative;display:flex;gap:22px;align-items:flex-start}
.step .s-num{counter-increment:step;flex:none;width:52px;height:52px;border-radius:14px;background:var(--grad-soft);color:var(--cyan-deep);display:grid;place-items:center;font-family:var(--ff-display);font-weight:800;font-size:1.2rem}
.step .s-num::before{content:"0" counter(step)}
.step h3{font-size:1.15rem;margin-bottom:6px}
.step p{color:var(--slate);font-size:.95rem}

/* checks list */
.checks{display:grid;gap:14px}
.checks li{display:flex;gap:13px;align-items:flex-start;font-size:1rem;color:var(--ink-2)}
.checks .ck{flex:none;width:24px;height:24px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;margin-top:2px}
.checks .ck svg{width:14px;height:14px}
.section--ink .checks li{color:#cfe3e6}

/* =============================================================
   CTA BAND
   ============================================================= */
.cta-band{position:relative;overflow:hidden;background:var(--ink);border-radius:var(--radius-lg);padding:clamp(40px,6vw,72px);color:#fff;text-align:center}
.cta-band .mol-bg{opacity:.16}
.cta-band__blob{position:absolute;width:460px;height:460px;border-radius:50%;filter:blur(70px);opacity:.5}
.cta-band__blob.a{background:rgba(63,177,167,.5);top:-160px;left:-80px}
.cta-band__blob.b{background:rgba(31,159,188,.5);bottom:-180px;right:-60px}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(1.8rem,3.6vw,2.7rem)}
.cta-band p{margin:18px auto 0;max-width:56ch;color:#bcd6da;font-size:1.08rem}
.cta-band .cta-band__actions{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* =============================================================
   PAGE HERO (interior pages)
   ============================================================= */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding-block:clamp(72px,10vw,120px)}
.page-hero .mol-bg{opacity:.2}
.page-hero__blob{position:absolute;width:500px;height:500px;border-radius:50%;filter:blur(80px);opacity:.45}
.page-hero__blob.a{background:rgba(63,177,167,.5);top:-200px;right:-100px}
.page-hero__blob.b{background:rgba(31,159,188,.45);bottom:-220px;left:-120px}
.page-hero__inner{position:relative;z-index:2;max-width:720px}
.page-hero h1{color:#fff;font-size:clamp(2.2rem,4.6vw,3.4rem)}
.page-hero p{margin-top:20px;font-size:1.12rem;color:#bcd6da;max-width:58ch}
.breadcrumb{display:flex;gap:8px;align-items:center;font-size:.85rem;color:#8fb3b9;margin-bottom:22px}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}

/* =============================================================
   FORMS
   ============================================================= */
.select{
  width:100%;padding:14px 16px;border:1px solid var(--line-2);border-radius:12px;
  font-family:inherit;font-size:.96rem;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s;
}
.select:focus{outline:none;border-color:var(--teal);box-shadow:var(--ring)}

/* contact page: two columns on desktop, single column on mobile */
.contact-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:stretch}
@media (max-width:960px){.contact-grid{grid-template-columns:1fr}}

/* contact info card */
.info-card{display:flex;gap:16px;align-items:flex-start;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.info-card .i-ico{width:48px;height:48px;border-radius:12px;background:var(--grad-soft);color:var(--cyan-deep);display:grid;place-items:center;flex:none}
.info-card .i-ico svg{width:22px;height:22px}
.info-card .i-l{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--slate-2);font-weight:700}
.info-card .i-v{font-family:var(--ff-display);font-weight:700;color:var(--ink);margin-top:4px;font-size:1rem;word-break:break-word}
.info-card .i-v a:hover{color:var(--cyan-deep)}

/* =============================================================
   FOOTER
   ============================================================= */
.site-footer{background:var(--ink);color:#9fc0c5;padding-top:72px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px}
.footer__brand .f-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer__brand .f-logo img{height:36px;width:auto}
.footer__brand .f-logo .wordmark{font-family:var(--ff-display);font-weight:800;font-size:1.35rem;color:#fff}
.footer__brand p{font-size:.92rem;color:#8fb3b9;max-width:34ch;line-height:1.6}
.footer__brand .f-social{display:flex;gap:10px;margin-top:22px}
.footer__brand .f-social a{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.07);display:grid;place-items:center;color:#bcd6da;transition:.2s}
.footer__brand .f-social a:hover{background:var(--grad);color:#fff}
.footer__brand .f-social svg{width:18px;height:18px}
.footer__col h4{color:#fff;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:20px;font-weight:800}
.footer__col a{display:block;padding:7px 0;font-size:.92rem;color:#9fc0c5;transition:color .2s}
.footer__col a:hover{color:#fff}
.footer__contact li{display:flex;gap:11px;align-items:flex-start;padding:7px 0;font-size:.9rem;color:#9fc0c5;line-height:1.5}
.footer__contact svg{width:17px;height:17px;color:var(--teal);flex:none;margin-top:3px}
.footer__contact a:hover{color:#fff}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding-block:24px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:.84rem;color:#7a9ba0}
.footer__bottom a:hover{color:#fff}
.footer__bottom .fb-links{display:flex;gap:22px;flex-wrap:wrap}

/* =============================================================
   SCROLL REVEAL
   ============================================================= */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}
@media print{.reveal{opacity:1!important;transform:none!important}.hero__blob,.page-hero__blob,.cta-band__blob,.mol-bg{display:none!important}}

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width:1080px){
  .hero__float.tl{left:0}
  .hero__float.br{right:0}
  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__brand{grid-column:1/-1}
}
@media (max-width:960px){
  .nav__links{display:none}
  .nav__toggle{display:flex}
  .nav__actions .btn{display:none}
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero__visual{min-height:340px;max-width:440px;margin-inline:auto;width:100%}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .cat-grid>.cat-card{flex-basis:calc((100% - 24px)/2)}
  .stats{grid-template-columns:repeat(2,1fr);gap:32px 20px}
  .catalog{grid-template-columns:1fr}
  .catalog__rail{display:none}
  .mobile-cat-select{display:block}
  .pdp__specs{grid-template-columns:1fr}
}
@media (max-width:600px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .cat-grid>.cat-card{flex-basis:100%}
  .cat-card,.card{padding:22px}
  .hero__trust{gap:20px 26px}
  .footer__grid{grid-template-columns:1fr}
  .footer__bottom{flex-direction:column;align-items:flex-start}
  .section-head{margin-bottom:38px}
}