/* ==========================================================================
   CARETRON — DESIGN SYSTEM
   One stylesheet for the whole public site.
   Everything is driven by the variables in :root — change a colour once here
   and it updates everywhere.
   ========================================================================== */

:root{
  /* ===================== BRAND COLOURS — the official four ================
     Sampled directly from the Caretron logo mark, so the site and the logo
     are the same colours rather than nearly the same colours.

       --teal   #1CA5B7   deep teal   — the dark blue-green lobe
       --blue   #3ED3DB   bright cyan — the light blue lobe
       --green  #3DB76F   green       — the dark green lobe
       --mint   #71E2A1   light green — the pale green lobe

     Everything else below is a tint or shade of those four. Change one of
     the four and the whole site follows.
     ======================================================================= */
  --teal:#1CA5B7;      --teal-600:#158392;   --teal-700:#0F626D;
  --teal-50:#E9F8FA;   --teal-100:#CCEEF3;
  --green:#3DB76F;     --green-50:#ECF8F1;
  --mint:#71E2A1;
  --blue:#3ED3DB;      --blue-50:#ECFAFB;
  --amber:#E0912F;     --amber-50:#FDF3E5;
  --red:#D64545;       --red-50:#FCEDED;

  /* Neutrals */
  --ink:#0C2033;       --ink-2:#1E3A50;      --muted:#5D7285;
  --line:#E3ECF0;      --line-2:#F0F5F7;
  --bg:#FFFFFF;        --surface:#F4F9FA;    --surface-2:#EAF4F5;

  --grad:linear-gradient(135deg,var(--teal) 0%,var(--green) 100%);

  /* Type */
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-head:"Plus Jakarta Sans","Inter",var(--font);

  /* Space + shape */
  --r-sm:8px; --r:14px; --r-lg:20px; --r-xl:28px; --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(12,32,51,.06),0 1px 3px rgba(12,32,51,.05);
  --shadow:0 4px 16px rgba(12,32,51,.07),0 1px 3px rgba(12,32,51,.05);
  --shadow-lg:0 18px 48px rgba(12,32,51,.12),0 4px 12px rgba(12,32,51,.06);
  --shadow-teal:0 10px 30px rgba(28,165,183,.25);

  --header-h:72px;
  --maxw:1180px;
}

/* ------------------------------------------------------------------ reset */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.65;
  color:var(--ink-2);background:var(--bg);-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5{font-family:var(--font-head);color:var(--ink);margin:0 0 .5em;line-height:1.2;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2rem,1.3rem + 3vw,3.35rem);letter-spacing:-.035em}
h2{font-size:clamp(1.55rem,1.15rem + 1.7vw,2.4rem);letter-spacing:-.03em}
h3{font-size:clamp(1.15rem,1rem + .6vw,1.5rem)}
h4{font-size:1.05rem}
p{margin:0 0 1rem}
a{color:var(--teal-600);text-decoration:none}
a:hover{text-decoration:underline}
ul,ol{margin:0 0 1rem;padding-left:1.25rem}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}
small{font-size:.82rem}
:focus-visible{outline:3px solid var(--teal);outline-offset:2px;border-radius:4px}
::selection{background:var(--teal-100);color:var(--ink)}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:12px 20px;z-index:200;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ----------------------------------------------------------------- layout */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:20px}
.container-sm{max-width:820px}
.section{padding:clamp(56px,7vw,104px) 0}
.section-tight{padding:clamp(40px,5vw,68px) 0}
.section-surface{background:var(--surface)}
.section-ink{background:var(--ink);color:#C7D6E2}
.section-ink h2,.section-ink h3{color:#fff}

.grid{display:grid;gap:24px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:940px){.g-3,.g-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g-2,.g-3,.g-4{grid-template-columns:1fr}}

.flex{display:flex}
.between{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.center{text-align:center}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}
.mb-3{margin-bottom:24px}.mb-4{margin-bottom:36px}.mt-3{margin-top:24px}.mt-4{margin-top:36px}
.muted{color:var(--muted)}
.lead{font-size:clamp(1.02rem,.97rem + .3vw,1.18rem);color:var(--muted);line-height:1.7}
.narrow{max-width:680px}
.narrow.center{margin-inline:auto}
.hide{display:none !important}

/* ------------------------------------------------------------------ eyebrow */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.76rem;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--teal-600);
  background:var(--teal-50);padding:6px 13px;border-radius:var(--r-pill);margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal)}

/* ----------------------------------------------------------------- buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-head);font-weight:600;font-size:.95rem;line-height:1;
  padding:14px 24px;border-radius:var(--r-pill);border:1.5px solid transparent;
  cursor:pointer;text-decoration:none;transition:.2s ease;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-teal)}
.btn-primary:hover{box-shadow:0 14px 34px rgba(28,165,183,.34);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#16324c;color:#fff}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--teal);color:var(--teal-600);background:var(--teal-50)}
.btn-ghost{background:transparent;color:var(--teal-600);padding-inline:8px}
.btn-white{background:#fff;color:var(--teal-700)}
.btn-block{width:100%}
.btn-sm{padding:10px 17px;font-size:.87rem}
.btn-lg{padding:17px 32px;font-size:1.02rem}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}

/* ------------------------------------------------------------------ badges */
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:700;
  padding:5px 11px;border-radius:var(--r-pill);letter-spacing:.02em;
  background:var(--teal-50);color:var(--teal-700);
}
.badge-green{background:var(--green-50);color:#1F7A52}
.badge-amber{background:var(--amber-50);color:#9A6316}
.badge-red{background:var(--red-50);color:#A62E2E}
.badge-blue{background:var(--blue-50);color:#1D5FBF}
.badge-grey{background:var(--line-2);color:var(--muted)}

/* ------------------------------------------------------------------- cards */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;transition:.25s ease;
}
.card-hover:hover{border-color:var(--teal-100);box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--teal-50);color:var(--teal-600);margin-bottom:16px;flex:0 0 auto;
}
.card-icon svg{width:23px;height:23px}
.card h3{margin-bottom:8px}
.card p:last-child{margin-bottom:0}

/* ---------------------------------------------------- announcement + header */
.announce{
  background:var(--ink);color:#B9CCDB;font-size:.82rem;text-align:center;
  padding:8px 20px;letter-spacing:.01em;
}
.announce strong{color:#fff}

.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);
}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;gap:20px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:800;
  font-size:1.3rem;color:var(--ink);letter-spacing:-.03em}
.brand:hover{text-decoration:none}
.brand-mark{width:34px;height:34px;flex:0 0 auto}
.brand-symbol-crop{position:relative;width:38px;height:38px;overflow:hidden;flex:0 0 38px}
.brand-symbol-crop img{position:absolute;width:135px;max-width:none;left:-49px;top:-6px}
.brand-name{display:grid;line-height:1;font-family:var(--font-head);font-weight:800;letter-spacing:-.04em}
.brand-name small{margin-top:5px;color:var(--muted);font-size:.45rem;font-weight:600;letter-spacing:.13em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  color:var(--ink-2);font-size:.93rem;font-weight:500;padding:9px 13px;border-radius:10px;
  transition:.18s;
}
.nav-links a:hover{background:var(--surface);color:var(--teal-700);text-decoration:none}
.nav-links a.active{color:var(--teal-700);background:var(--teal-50);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px}

.cart-link{
  position:relative;display:inline-grid;place-items:center;width:42px;height:42px;
  border-radius:12px;border:1px solid var(--line);color:var(--ink);background:#fff;
}
.cart-link:hover{border-color:var(--teal);color:var(--teal-600)}
.cart-link svg{width:20px;height:20px}
.cart-count{
  position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;padding:0 5px;
  background:var(--red);color:#fff;font-size:.68rem;font-weight:700;border-radius:var(--r-pill);
  display:grid;place-items:center;border:2px solid #fff;
}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;color:var(--ink)}
.nav-toggle svg{width:22px;height:22px;margin:auto}

@media(max-width:980px){
  .nav-toggle{display:grid;place-items:center}
  .nav-links{
    position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;
    background:#fff;padding:14px 20px 26px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-lg);gap:2px;margin-left:0;
    transform:translateY(-120%);transition:transform .3s cubic-bezier(.4,0,.2,1);
    max-height:calc(100dvh - var(--header-h));overflow-y:auto;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:13px 14px;font-size:1rem}
  .nav-links .btn{margin-top:10px;justify-content:center}
}

/* -------------------------------------------------------------------- hero */
.hero{position:relative;padding:clamp(48px,6vw,84px) 0 clamp(56px,7vw,96px);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(1000px 500px at 88% -8%,rgba(58,178,123,.16),transparent 60%),
    radial-gradient(760px 420px at 4% 8%,rgba(28,165,183,.14),transparent 62%),
    var(--surface);
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(28px,4vw,60px);align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:36px}}
.hero h1{margin-bottom:20px}
.hero .lead{font-size:clamp(1.04rem,.98rem + .4vw,1.22rem);max-width:33em}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 26px}
.hero-trust{display:flex;gap:26px;flex-wrap:wrap;font-size:.87rem;color:var(--muted)}
.hero-trust span{display:flex;align-items:center;gap:7px}
.hero-trust svg{width:17px;height:17px;color:var(--green);flex:0 0 auto}
.hero-visual{position:relative}
.hero-visual .device-card{
  background:linear-gradient(160deg,#FFFFFF 0%,var(--surface-2) 100%);
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;box-shadow:var(--shadow-lg);
}
.hero-visual .device-card img{max-height:min(52vh,470px);width:auto;margin-inline:auto}
.hero-float{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:12px 16px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:11px;
  font-size:.85rem;font-weight:600;color:var(--ink);
}
.hero-float small{display:block;font-weight:500;color:var(--muted);font-size:.74rem}
.hero-float .dot{width:9px;height:9px;border-radius:50%;background:var(--green);flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(58,178,123,.18)}
.hero-float.f1{top:6%;right:-4%;animation:float 6s ease-in-out infinite}
.hero-float.f2{bottom:8%;left:-6%;animation:float 6s ease-in-out infinite 1.6s}
@media(max-width:640px){.hero-float.f1{right:0}.hero-float.f2{left:0}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-11px)}}

/* ------------------------------------------------------------------- stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
@media(max-width:620px){.stats{grid-template-columns:1fr}}
.stat{background:#fff;padding:26px 24px;text-align:center}
.stat-value{font-family:var(--font-head);font-size:clamp(1.7rem,1.3rem + 1.4vw,2.4rem);
  font-weight:800;color:var(--teal-600);letter-spacing:-.03em;line-height:1.1}
.stat-label{font-size:.87rem;color:var(--muted);margin-top:6px}

/* ---------------------------------------------------------- product cards */
.product-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;transition:.25s ease;height:100%;
}
.product-card:hover{border-color:var(--teal-100);box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.product-media{
  position:relative;aspect-ratio:4/3;background:linear-gradient(160deg,var(--surface-2),var(--surface));
  display:grid;place-items:center;padding:22px;overflow:hidden;
}
.product-media img{width:100%;height:100%;object-fit:contain;transition:transform .45s ease}
.product-card:hover .product-media img{transform:scale(1.05)}
.product-media .badge{position:absolute;top:14px;left:14px;background:#fff;box-shadow:var(--shadow-sm)}
.product-body{padding:22px;display:flex;flex-direction:column;flex:1;gap:10px}
.product-body h3{margin:0}
.product-tagline{font-size:.86rem;color:var(--teal-600);font-weight:600;margin:-4px 0 0}
.product-desc{font-size:.92rem;color:var(--muted);margin:0;flex:1}
.price-row{display:flex;align-items:baseline;gap:10px;margin-top:4px}
.price{font-family:var(--font-head);font-size:1.45rem;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.price-old{font-size:.95rem;color:var(--muted);text-decoration:line-through}
.price-save{font-size:.76rem;font-weight:700;color:#1F7A52;background:var(--green-50);
  padding:3px 9px;border-radius:var(--r-pill)}
.product-actions{display:flex;gap:9px;margin-top:6px}
.product-actions .btn{flex:1}
.stock-note{font-size:.8rem;color:var(--muted);display:flex;align-items:center;gap:6px}
.stock-note::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}
.stock-note.out::before{background:var(--red)}

/* ------------------------------------------------- feature list / checklist */
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.checklist li{display:flex;gap:11px;align-items:flex-start;font-size:.94rem}
.checklist li::before{
  content:"";flex:0 0 auto;width:20px;height:20px;border-radius:50%;margin-top:2px;
  background:var(--green-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233AB27B' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}

/* ------------------------------------------------------- scroll  showcase */
/* The Samsung-style pinned product walkthrough. */
.showcase{background:var(--ink);color:#B9CCDB;position:relative;overflow:clip}
.showcase-head{padding:clamp(56px,7vw,90px) 0 0;text-align:center}
.showcase-head h2{color:#fff}
.showcase-head p{color:#8FA6B8;max-width:36em;margin-inline:auto}
.showcase-track{position:relative}
.showcase-sticky{
  position:sticky;top:calc(var(--header-h) + 8px);height:calc(100dvh - var(--header-h) - 16px);
  min-height:520px;display:grid;grid-template-columns:1fr 1fr;align-items:center;
  gap:clamp(20px,4vw,64px);
  width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:20px;
}
.showcase-stage{
  position:relative;height:min(58vh,460px);display:grid;place-items:center;
}
.showcase-stage::after{
  content:"";position:absolute;width:74%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(28,165,183,.34),transparent 66%);filter:blur(28px);z-index:0;
}
.showcase-device{
  position:relative;z-index:1;width:min(100%,380px);
  transition:transform .75s cubic-bezier(.22,1,.36,1);will-change:transform;
}
.showcase-hot{
  position:absolute;z-index:2;width:15px;height:15px;border-radius:50%;
  background:#fff;box-shadow:0 0 0 5px rgba(28,165,183,.4);opacity:0;transform:scale(.4);
  transition:.5s cubic-bezier(.22,1,.36,1);
}
.showcase-hot.on{opacity:1;transform:scale(1);animation:pulse 2.2s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(28,165,183,.55)}70%{box-shadow:0 0 0 18px rgba(28,165,183,0)}100%{box-shadow:0 0 0 0 rgba(28,165,183,0)}}

.showcase-steps{position:relative;display:grid}
.showcase-step{
  grid-area:1/1;opacity:0;transform:translateY(26px);pointer-events:none;
  transition:opacity .5s ease,transform .55s cubic-bezier(.22,1,.36,1);
}
.showcase-step.on{opacity:1;transform:none;pointer-events:auto}
.showcase-step .eyebrow{background:rgba(28,165,183,.16);color:#5FE3DD}
.showcase-step h3{font-size:clamp(1.4rem,1.1rem + 1.2vw,2.05rem);color:#fff;margin-bottom:12px}
.showcase-step p{color:#9FB4C4;font-size:1.02rem;line-height:1.72;max-width:30em;margin:0}
.showcase-progress{display:flex;gap:7px;margin-top:30px}
.showcase-dot{height:4px;flex:1;max-width:56px;border-radius:2px;background:rgba(255,255,255,.16);
  overflow:hidden;cursor:pointer;border:0;padding:0}
.showcase-dot span{display:block;height:100%;width:0;background:var(--grad);
  transition:width .35s linear;border-radius:2px}
.showcase-dot.done span{width:100%}
.showcase-dot.on span{width:100%}
.showcase-spacer{height:100vh}

@media(max-width:900px){
  .showcase-track{height:auto !important}
  .showcase-sticky{grid-template-columns:1fr;height:auto;min-height:0;position:static;
    padding:36px 20px 0;gap:20px}
  .showcase-stage{height:280px}
  .showcase-step{grid-area:auto;opacity:1;transform:none;pointer-events:auto;
    padding:22px 0;border-top:1px solid rgba(255,255,255,.1)}
  .showcase-steps{display:block}
  .showcase-spacer{display:none}
  .showcase-progress{display:none}
}

/* -------------------------------------------------------------- steps flow */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:s}
@media(max-width:820px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding-top:8px}
.step-no{
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-family:var(--font-head);font-weight:800;font-size:1.05rem;
  margin-bottom:16px;box-shadow:var(--shadow-teal);
}
.step h3{font-size:1.15rem;margin-bottom:6px}
.step p{color:var(--muted);font-size:.94rem;margin:0}

/* ---------------------------------------------------------------- accordion */
.accordion{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff}
.acc-item + .acc-item{border-top:1px solid var(--line)}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:19px 22px;text-align:left;cursor:pointer;
  font-family:var(--font-head);font-weight:600;font-size:1rem;color:var(--ink);line-height:1.45;
}
.acc-btn:hover{background:var(--surface)}
.acc-btn .chev{flex:0 0 auto;width:22px;height:22px;color:var(--teal-600);transition:transform .3s}
.acc-item.open .acc-btn{background:var(--teal-50)}
.acc-item.open .chev{transform:rotate(180deg)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.4,0,.2,1)}
.acc-panel-inner{padding:2px 22px 21px;color:var(--muted);font-size:.95rem;line-height:1.72}
.acc-panel-inner p:last-child{margin-bottom:0}

.faq-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.chip{
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:.87rem;font-weight:600;
  padding:8px 16px;border-radius:var(--r-pill);cursor:pointer;transition:.18s;font-family:var(--font);
}
.chip:hover{border-color:var(--teal);color:var(--teal-700)}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* -------------------------------------------------------------------- forms */
.field{margin-bottom:17px}
.field label,.label{display:block;font-size:.88rem;font-weight:600;color:var(--ink);margin-bottom:7px}
.label-hint{font-weight:400;color:var(--muted);font-size:.82rem}
.input,.select,.textarea{
  width:100%;font-family:var(--font);font-size:.97rem;color:var(--ink);background:#fff;
  border:1.5px solid var(--line);border-radius:12px;padding:12px 15px;transition:.18s;
}
.input:focus,.select:focus,.textarea:focus{
  outline:0;border-color:var(--teal);box-shadow:0 0 0 4px rgba(28,165,183,.13);
}
.input::placeholder,.textarea::placeholder{color:#9BAEBD}
.textarea{min-height:130px;resize:vertical;line-height:1.6}
.select{appearance:none;padding-right:42px;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235D7285' stroke-width='2.2' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:17px}
.field-error{color:var(--red);font-size:.83rem;margin-top:6px;display:block}
.input.err,.select.err,.textarea.err{border-color:var(--red)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
@media(max-width:620px){.form-grid{grid-template-columns:1fr}}
.form-note{font-size:.84rem;color:var(--muted);margin-top:14px}

.radio-card{
  display:flex;gap:13px;align-items:flex-start;border:1.5px solid var(--line);border-radius:14px;
  padding:15px 17px;cursor:pointer;transition:.18s;background:#fff;margin-bottom:11px;
}
.radio-card:hover{border-color:var(--teal-100);background:var(--teal-50)}
.radio-card input{margin-top:3px;accent-color:var(--teal);width:18px;height:18px;flex:0 0 auto}
.radio-card.on{border-color:var(--teal);background:var(--teal-50)}
.radio-card strong{display:block;color:var(--ink);font-size:.96rem;font-family:var(--font-head)}
.radio-card span{font-size:.87rem;color:var(--muted)}
.radio-extra{margin:0 0 12px;padding:15px 17px;border:1.5px dashed var(--teal-100);
  border-radius:14px;background:var(--teal-50)}

/* ------------------------------------------------------------------ alerts */
.alert{
  display:flex;gap:12px;align-items:flex-start;padding:14px 17px;border-radius:14px;
  font-size:.93rem;margin-bottom:18px;border:1px solid transparent;
}
.alert svg{width:20px;height:20px;flex:0 0 auto;margin-top:1px}
.alert-success{background:var(--green-50);color:#1B6B48;border-color:#C4E7D6}
.alert-error{background:var(--red-50);color:#9C2B2B;border-color:#F3CFCF}
.alert-info{background:var(--blue-50);color:#1B5099;border-color:#CFE0FA}
.alert-warn{background:var(--amber-50);color:#8A5712;border-color:#F2DDBC}
.alert p:last-child{margin-bottom:0}

.toast-wrap{position:fixed;right:18px;bottom:18px;z-index:300;display:grid;gap:10px}
.toast{
  background:var(--ink);color:#fff;padding:13px 18px;border-radius:13px;font-size:.9rem;
  box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:10px;
  animation:toastIn .3s cubic-bezier(.22,1,.36,1);max-width:340px;
}
.toast svg{width:18px;height:18px;color:#5FE3DD;flex:0 0 auto}
@keyframes toastIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* -------------------------------------------------------------------- cart */
.cart-layout{display:grid;grid-template-columns:1fr 370px;gap:30px;align-items:start}
@media(max-width:900px){.cart-layout{grid-template-columns:1fr}}
.cart-row{
  display:grid;grid-template-columns:96px 1fr auto;gap:18px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.cart-row:last-child{border-bottom:0}
.cart-thumb{width:96px;aspect-ratio:1;border-radius:14px;background:var(--surface);
  display:grid;place-items:center;padding:9px;border:1px solid var(--line)}
.cart-thumb img{width:100%;height:100%;object-fit:contain}
.cart-info h4{margin:0 0 3px;font-size:1.02rem}
.cart-info .muted{font-size:.86rem}
.cart-end{text-align:right;display:grid;gap:9px;justify-items:end}
.qty{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:var(--r-pill);overflow:hidden}
.qty button{width:34px;height:34px;border:0;background:#fff;cursor:pointer;color:var(--ink);
  font-size:1.05rem;line-height:1;display:grid;place-items:center}
.qty button:hover{background:var(--teal-50);color:var(--teal-700)}
.qty input{width:42px;border:0;text-align:center;font-family:var(--font-head);font-weight:700;
  font-size:.95rem;color:var(--ink);padding:8px 0;-moz-appearance:textfield}
.qty input::-webkit-outer-spin-button,.qty input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.link-danger{background:none;border:0;color:var(--red);font-size:.83rem;cursor:pointer;padding:0;
  font-family:var(--font);text-decoration:underline}

.summary{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  position:sticky;top:calc(var(--header-h) + 18px)}
.summary h3{font-size:1.12rem;margin-bottom:16px}
.sum-line{display:flex;justify-content:space-between;gap:14px;padding:8px 0;font-size:.94rem;color:var(--muted)}
.sum-line strong{color:var(--ink);font-weight:600}
.sum-total{border-top:1px solid var(--line);margin-top:10px;padding-top:15px;
  display:flex;justify-content:space-between;align-items:baseline}
.sum-total span{font-family:var(--font-head);font-weight:700;color:var(--ink);font-size:1.02rem}
.sum-total b{font-family:var(--font-head);font-size:1.55rem;color:var(--teal-600);letter-spacing:-.02em}

.empty-state{text-align:center;padding:64px 24px}
.empty-state svg{width:64px;height:64px;color:var(--line);margin:0 auto 18px}

/* ------------------------------------------------------------ health tools */
.tool-nav{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}
.tool{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.tool-head{padding:22px 24px;border-bottom:1px solid var(--line);display:flex;gap:14px;align-items:center}
.tool-head .card-icon{margin:0}
.tool-head h3{margin:0;font-size:1.15rem}
.tool-head p{margin:2px 0 0;font-size:.87rem;color:var(--muted)}
.tool-body{display:grid;grid-template-columns:1fr 1fr;gap:0}
@media(max-width:780px){.tool-body{grid-template-columns:1fr}}
.tool-inputs{padding:24px}
.tool-result{padding:24px;background:var(--surface);border-left:1px solid var(--line);
  display:flex;flex-direction:column;justify-content:center;min-height:220px}
@media(max-width:780px){.tool-result{border-left:0;border-top:1px solid var(--line)}}
.result-value{font-family:var(--font-head);font-size:clamp(2.1rem,1.6rem + 2vw,3rem);font-weight:800;
  color:var(--ink);letter-spacing:-.035em;line-height:1}
.result-unit{font-size:.95rem;color:var(--muted);font-weight:600;margin-left:6px}
.result-label{font-size:.86rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;
  font-weight:700;margin-bottom:8px}
.result-note{font-size:.9rem;color:var(--muted);margin-top:12px;line-height:1.6}
.result-placeholder{color:var(--muted);font-size:.94rem;text-align:center;padding:20px}

/* segmented gauge used by BMI / blood pressure */
.gauge{margin-top:18px}
.gauge-bar{display:flex;height:11px;border-radius:var(--r-pill);overflow:hidden;background:var(--line)}
.gauge-seg{height:100%}
.gauge-marks{display:flex;margin-top:7px;font-size:.68rem;color:var(--muted);font-weight:600;
  line-height:1.35;gap:2px}
.gauge-marks span{flex:1;text-align:center;min-width:0}
.gauge-needle{position:relative;height:0}
.gauge-pin{
  position:absolute;top:-27px;transform:translateX(-50%);background:var(--ink);color:#fff;
  font-size:.72rem;font-weight:700;padding:3px 9px;border-radius:var(--r-pill);white-space:nowrap;
  transition:left .5s cubic-bezier(.22,1,.36,1);
}
.gauge-pin::after{content:"";position:absolute;bottom:-4px;left:50%;transform:translateX(-50%) rotate(45deg);
  width:8px;height:8px;background:var(--ink)}

.range-row{display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted);margin-top:4px}
.range{width:100%;accent-color:var(--teal);margin:6px 0}
.unit-toggle{display:inline-flex;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:3px;margin-bottom:16px}
.unit-toggle button{border:0;background:none;padding:7px 15px;border-radius:var(--r-pill);
  font-size:.84rem;font-weight:600;cursor:pointer;color:var(--muted);font-family:var(--font)}
.unit-toggle button.on{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}

/* quiz */
.quiz-q{display:none}
.quiz-q.on{display:block;animation:fadeUp .4s cubic-bezier(.22,1,.36,1)}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.quiz-opts{display:grid;gap:10px;margin-top:18px}
.quiz-opt{
  text-align:left;border:1.5px solid var(--line);background:#fff;border-radius:14px;padding:15px 18px;
  cursor:pointer;font-family:var(--font);font-size:.96rem;color:var(--ink);transition:.18s;
  display:flex;align-items:center;gap:12px;
}
.quiz-opt:hover{border-color:var(--teal);background:var(--teal-50);transform:translateX(3px)}
.quiz-progress{height:5px;background:var(--line);border-radius:3px;overflow:hidden;margin-bottom:22px}
.quiz-progress span{display:block;height:100%;background:var(--grad);transition:width .4s ease;border-radius:3px}

/* ---------------------------------------------------------------- articles */
.article-card{display:flex;flex-direction:column;height:100%}
.article-meta{display:flex;gap:12px;font-size:.79rem;color:var(--muted);margin-bottom:10px;
  text-transform:uppercase;letter-spacing:.07em;font-weight:700}
.article-card h3{font-size:1.13rem;margin-bottom:8px}
.article-card p{font-size:.92rem;color:var(--muted);flex:1}
.prose{font-size:1.03rem;line-height:1.8;color:var(--ink-2)}
.prose p{margin-bottom:1.2rem}

/* -------------------------------------------------------------------- team */
.team-card{text-align:center;padding:28px 22px}
.avatar{
  width:88px;height:88px;border-radius:50%;margin:0 auto 16px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-family:var(--font-head);font-weight:800;font-size:1.6rem;
  letter-spacing:-.02em;overflow:hidden;
}
.avatar img{width:100%;height:100%;object-fit:cover}
.team-card h4{margin:0 0 3px;font-size:1.05rem}
.team-role{color:var(--teal-600);font-size:.86rem;font-weight:600;margin-bottom:10px}
.team-card p{font-size:.89rem;color:var(--muted);margin:0}

/* ------------------------------------------------------------------ tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table.data{width:100%;border-collapse:collapse;font-size:.92rem;min-width:520px}
table.data th{
  text-align:left;padding:13px 16px;background:var(--surface);color:var(--muted);
  font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
table.data td{padding:14px 16px;border-bottom:1px solid var(--line-2);vertical-align:middle}
table.data tr:last-child td{border-bottom:0}
table.data tbody tr:hover{background:var(--surface)}

/* -------------------------------------------------------------------- misc */
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--teal-600)}
.page-head{background:var(--surface);border-bottom:1px solid var(--line);
  padding:clamp(34px,4vw,54px) 0}
.page-head h1{margin-bottom:10px}
.page-head p{margin:0;max-width:40em}

.cta-band{background:var(--grad);color:#fff;border-radius:var(--r-xl);padding:clamp(32px,4vw,52px);
  text-align:center;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.1);top:-140px;right:-90px}
.cta-band h2{color:#fff;position:relative}
.cta-band p{color:rgba(255,255,255,.9);max-width:34em;margin:0 auto 24px;position:relative}
.cta-band .btn-row{justify-content:center;position:relative}

.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr}}

/* ------------------------------------------------------------------ footer */
.site-footer{background:var(--ink);color:#8FA6B8;padding:clamp(46px,5vw,72px) 0 0;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:34px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}
.site-footer h5{color:#fff;font-family:var(--font-head);font-size:.83rem;text-transform:uppercase;
  letter-spacing:.11em;margin:0 0 15px;font-weight:700}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.site-footer a{color:#8FA6B8}
.site-footer a:hover{color:#fff;text-decoration:none}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-head);
  font-weight:800;font-size:1.25rem;margin-bottom:13px;letter-spacing:-.03em}
.footer-brand .brand-name small{color:#89A3A8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);margin-top:40px;padding:20px 0;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.85rem;color:#6E8699}
.social{display:flex;gap:9px;margin-top:15px}
.social a{width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.07);
  display:grid;place-items:center;color:#B9CCDB}
.social a:hover{background:var(--teal);color:#fff}
.social svg{width:18px;height:18px}

.wa-float{
  position:fixed;right:18px;bottom:18px;z-index:90;width:54px;height:54px;border-radius:50%;
  background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:var(--shadow-lg);
  transition:.2s;
}
.wa-float:hover{transform:scale(1.08);color:#fff}
.wa-float svg{width:27px;height:27px}
@media(max-width:600px){.wa-float{width:48px;height:48px;bottom:14px;right:14px}
  .wa-float svg{width:24px;height:24px}}

/* --------------------------------------------------------- scroll reveal */
.reveal{opacity:0;transform:translateY(22px)}
.reveal.in{opacity:1;transform:none;transition:opacity .65s ease,transform .7s cubic-bezier(.22,1,.36,1)}
.reveal.d1{transition-delay:.09s}.reveal.d2{transition-delay:.18s}.reveal.d3{transition-delay:.27s}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* ------------------------------------------------------------------ print */
@media print{
  .site-header,.site-footer,.wa-float,.announce,.btn,.toast-wrap{display:none !important}
  body{background:#fff}
}