/* Flash Filters — design system (shares the Flash Furnace & Air-Conditioning brand) */
:root{
  --red:#D2141C; --red-deep:#A80F16; --red-tint:#FCEBEC; --red-glow:rgba(210,20,28,.55);
  --ink:#17191D; --graphite:#2A2E35; --steel:#5B626C; --line:#E3E6EA; --line-2:#CFD4DA;
  --frost:#F3F5F7; --white:#FFFFFF; --ok:#16803C; --ok-tint:#E9F8EF;
  --radius-s:8px; --radius-m:14px; --radius-l:22px;
  --wrap:1200px; --gutter:clamp(16px,4vw,40px);
  --ease:cubic-bezier(.2,.7,.2,1); --ease-out:cubic-bezier(.16,1,.3,1);
  --shadow-1:0 1px 2px rgba(23,25,29,.06),0 4px 14px -6px rgba(23,25,29,.12);
  --shadow:0 1px 2px rgba(23,25,29,.06),0 10px 30px -14px rgba(23,25,29,.24);
  --shadow-red:0 14px 30px -14px rgba(210,20,28,.65);
  --font:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%}
img{height:auto;display:block}
svg.i{width:1.2em;height:1.2em;flex:none}
a{color:inherit}
p{margin:0 0 1em}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--red);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:10px 16px;z-index:999;border-radius:6px}
.skip:focus{left:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.nowrap{white-space:nowrap}

/* Type */
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.04;letter-spacing:-.012em;font-weight:800;font-stretch:118%;text-wrap:balance}
h1{font-size:clamp(2.3rem,5.2vw,4.1rem);font-weight:900;letter-spacing:-.022em;font-stretch:112%}
h2{font-size:clamp(1.95rem,3.8vw,3rem)}
h3{font-size:clamp(1.18rem,1.7vw,1.4rem);line-height:1.2;font-stretch:110%}
.lede{font-size:clamp(1.08rem,1.5vw,1.26rem);color:var(--graphite);max-width:56ch}
.muted{color:var(--steel)}
.kicker{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--red-deep);font-size:.95rem;margin-bottom:12px;font-stretch:108%;letter-spacing:.01em}
.kicker svg{width:16px;height:16px;color:var(--red)}
.sec-dark .kicker{color:#FF7A7F}

/* Buttons */
.btn{--b:var(--red);position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.55em;min-height:52px;padding:0 24px;border-radius:var(--radius-s);border:2px solid var(--b);background:var(--b);color:#fff;font-weight:700;font-stretch:108%;font-size:1rem;letter-spacing:.01em;text-decoration:none;cursor:pointer;transition:transform .18s var(--ease),background-color .2s,border-color .2s,box-shadow .25s,color .2s;white-space:nowrap;-webkit-tap-highlight-color:transparent}
.btn:hover{background:var(--red-deep);border-color:var(--red-deep);box-shadow:var(--shadow-red)}
.btn:active{transform:translateY(1px) scale(.985)}
.btn svg{width:18px;height:18px;flex:none}
.btn[disabled]{opacity:.55;cursor:not-allowed;box-shadow:none}
.btn-lg{min-height:60px;padding:0 30px;font-size:1.08rem}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);border-color:var(--ink);color:#fff;box-shadow:none}
.btn-light{background:#fff;color:var(--red-deep);border-color:#fff}
.btn-light:hover{background:var(--frost);border-color:var(--frost);color:var(--red-deep);box-shadow:none}
.btn .arrow{transition:transform .25s var(--ease-out)}
.btn:hover .arrow{transform:translateX(3px)}
.btn .spin{display:none;width:18px;height:18px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
.btn.loading .spin{display:inline-block}
.btn.loading .lbl-icon{display:none}
@keyframes spin{to{transform:rotate(360deg)}}
.link{color:var(--red-deep);font-weight:700;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:rgba(210,20,28,.35);transition:text-decoration-color .2s}
.link:hover{text-decoration-color:var(--red)}

/* Top bar + header */
.topbar{background:var(--ink);color:#D7DADF;font-size:.86rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:36px}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
.topbar a:hover{text-decoration:underline}
.topbar .tb-note{display:flex;align-items:center;gap:8px}
.topbar .tb-note svg{width:14px;height:14px;color:#FF6B70}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s}
.header.scrolled{border-color:var(--line);box-shadow:0 6px 24px -18px rgba(23,25,29,.35)}
.header .wrap{display:flex;align-items:center;gap:20px;min-height:76px}
.brand{display:block;flex:none;line-height:0;border-radius:10px}
.brand svg{height:48px;width:auto}
.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav a{position:relative;display:flex;align-items:center;padding:10px 12px;font-size:.96rem;font-weight:600;color:var(--ink);text-decoration:none;border-radius:6px}
.nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease-out)}
.nav a:hover::after,.nav a.on::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.header-cta .btn{min-height:46px;padding:0 18px}
.cart-pill{display:none;align-items:center;gap:8px;min-height:46px;padding:0 14px;border-radius:var(--radius-s);border:1.5px solid var(--line-2);background:#fff;text-decoration:none;font-weight:700;font-size:.95rem;transition:border-color .2s,background .2s}
.cart-pill:hover{border-color:var(--ink)}
.cart-pill svg{width:20px;height:20px;color:var(--red)}
.cart-pill .n{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:var(--red);color:#fff;font-size:.78rem}
.has-cart .cart-pill{display:inline-flex}
.menu-btn{display:none;margin-left:auto;width:48px;height:48px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:transform .3s var(--ease-out),background .2s}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0}
.menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}
.menu-open .menu-btn span{background:transparent}
.menu-open .menu-btn span::before{transform:translateY(6px) rotate(45deg)}
.menu-open .menu-btn span::after{transform:translateY(-6px) rotate(-45deg)}

/* Drawer */
.drawer{position:fixed;inset:0;z-index:60;pointer-events:none;visibility:hidden;transition:visibility 0s .4s}
.drawer-scrim{position:absolute;inset:0;background:rgba(23,25,29,.45);opacity:0;transition:opacity .3s}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(88vw,380px);background:#fff;transform:translateX(100%);transition:transform .38s var(--ease-out);overflow-y:auto;padding:20px 22px 40px;display:flex;flex-direction:column}
.menu-open .drawer{pointer-events:auto;visibility:visible;transition:none}
.menu-open .drawer-scrim{opacity:1}
.menu-open .drawer-panel{transform:none}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.drawer-head svg{height:40px;width:auto}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:24px;line-height:1;cursor:pointer}
.drawer nav a{display:block;padding:14px 2px;border-bottom:1px solid var(--line);text-decoration:none;font-weight:700;font-size:1.1rem;font-stretch:108%}
.drawer .btn{width:100%;margin-top:18px}
.drawer small{display:block;margin-top:auto;padding-top:24px;color:var(--steel)}

/* Hero */
.hero{position:relative;overflow:hidden;padding:clamp(32px,5vw,72px) 0 clamp(48px,6vw,88px);background:
  radial-gradient(900px 420px at 88% 18%,rgba(210,20,28,.07),transparent 60%),
  radial-gradient(700px 380px at 0% 100%,rgba(23,25,29,.05),transparent 60%),
  linear-gradient(180deg,#fff, #F8F9FA)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center}
.hero .brandline{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 6px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);font-weight:700;font-size:.9rem;margin-bottom:22px}
.hero .brandline .b{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--red);color:#fff}
.hero .brandline .b svg{width:15px;height:15px}
.hero h1{margin-bottom:.28em}
.hero h1 .eyebrow{display:block;font-size:.3em;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:var(--red);margin-bottom:.55em;font-stretch:125%}
.hero h1 .l2{display:block;color:var(--red)}
.hero .lede{margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;padding:0;margin:0;list-style:none;color:var(--graphite);font-size:.95rem;font-weight:600}
.trust-row li{display:flex;align-items:center;gap:8px}
.trust-row svg{width:20px;height:20px;color:var(--red)}
.hero-art{position:relative;aspect-ratio:1/1;max-width:600px;width:100%;justify-self:end}
.hero-art svg.art{width:100%;height:100%;display:block;overflow:visible}
.hero-art .chip{position:absolute;display:flex;align-items:center;gap:12px;background:#fff;border-radius:12px;padding:12px 16px;box-shadow:var(--shadow);font-size:.9rem;line-height:1.3;border:1px solid var(--line)}
.hero-art .chip b{display:block;font-size:1rem;font-stretch:112%}
.hero-art .chip .ic{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex:none}
.hero-art .chip .ic svg{width:21px;height:21px}
.hero-art .chip-1{right:0;bottom:9%}
.hero-art .chip-1 .ic{background:var(--red-tint);color:var(--red)}
.hero-art .chip-2{left:0;top:9%}
.hero-art .chip-2 .ic{background:var(--ink);color:#fff}
.js .hero-art .chip{opacity:0;transform:translateY(10px)}
.js .hero-art.in .chip{opacity:1;transform:none;transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.js .hero-art.in .chip-1{transition-delay:.5s}
.js .hero-art.in .chip-2{transition-delay:.75s}
.art .float{animation:float 7s ease-in-out infinite}
.art .float-2{animation:float 8s ease-in-out -2.5s infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.art .flow{stroke-dasharray:6 14;animation:flow 2.4s linear infinite}
@keyframes flow{to{stroke-dashoffset:-40}}

/* Sections */
.sec{padding:clamp(64px,9vw,120px) 0;position:relative}
.sec-frost{background:var(--frost)}
.sec-dark{background:var(--ink);color:#E9EBEE}
.sec-dark h2,.sec-dark h3{color:#fff}
.sec-dark .muted,.sec-dark .lede{color:#B9BEC6}
.sec-head{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end;margin-bottom:clamp(30px,4vw,52px)}
.sec-head h2{margin:0;max-width:20ch}
.sec-head p{margin:.7em 0 0;max-width:58ch}
.sec-head.center{grid-template-columns:1fr;text-align:center;justify-items:center}
.sec-head.center h2{max-width:22ch}

/* Why */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.why-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:30px 28px 28px;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .25s}
.why-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.why-card .ic{width:58px;height:58px;border-radius:14px;display:grid;place-items:center;background:var(--red-tint);color:var(--red);margin-bottom:22px;transition:background .3s,color .3s,transform .4s var(--ease-out)}
.why-card:hover .ic{background:var(--red);color:#fff;transform:rotate(-6deg) scale(1.05)}
.why-card .ic svg{width:28px;height:28px}
.why-card h3{margin-bottom:8px}
.why-card p{margin:0;color:var(--steel)}
.why-card .num{position:absolute;right:20px;top:14px;font-weight:900;font-size:4.2rem;line-height:1;color:var(--frost);font-stretch:125%;pointer-events:none}

/* Products */
.products{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:22px;max-width:980px;margin:0 auto}
.product{position:relative;display:flex;flex-direction:column;background:#fff;border:1.5px solid var(--line);border-radius:var(--radius-l);overflow:hidden;transition:border-color .25s,box-shadow .35s var(--ease),transform .35s var(--ease)}
.product:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.product.in-cart{border-color:var(--red);box-shadow:0 0 0 4px rgba(210,20,28,.08),var(--shadow)}
.product .stage{position:relative;background:linear-gradient(160deg,#F7F8FA,#ECEFF2);aspect-ratio:16/10;display:grid;place-items:center;padding:12px;overflow:hidden;border-bottom:1px solid var(--line)}
.product .stage::before{content:"";position:absolute;inset:auto -20% -60% -20%;height:80%;background:radial-gradient(closest-side,rgba(23,25,29,.12),transparent);pointer-events:none}
.product .stage svg{position:relative;height:100%;width:auto;max-height:290px;transition:transform .6s var(--ease-out)}
.product:hover .stage svg{transform:translateY(-4px) rotate(-1deg)}
.product .size-tag{position:absolute;left:16px;top:16px;background:var(--ink);color:#fff;font-weight:800;font-stretch:118%;padding:7px 12px;border-radius:8px;font-size:1.02rem;letter-spacing:.01em}
.product .added{position:absolute;right:16px;top:16px;display:none;align-items:center;gap:6px;background:var(--red);color:#fff;font-weight:700;font-size:.82rem;padding:6px 11px;border-radius:999px}
.product .added svg{width:14px;height:14px}
.product.in-cart .added{display:inline-flex;animation:pop .45s var(--ease-out)}
.product .body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.product h3{font-size:clamp(1.3rem,2vw,1.55rem);margin-bottom:6px}
.product h3 small{display:block;font-size:.62em;font-weight:700;color:var(--steel);letter-spacing:.02em;font-stretch:100%;margin-top:6px}
.specs{list-style:none;margin:14px 0 18px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.specs li{padding:12px 12px;border-left:1px solid var(--line);text-align:center;background:#FBFBFC}
.specs li:first-child{border-left:0}
.specs b{display:block;font-size:1.08rem;font-stretch:115%;line-height:1.2}
.specs span{display:block;font-size:.8rem;color:var(--steel);line-height:1.3;margin-top:2px}
.price-row{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.price{font-size:2.4rem;font-weight:900;font-stretch:118%;letter-spacing:-.02em;line-height:1}
.price sup{font-size:.45em;vertical-align:.95em;margin-right:1px}
.price-row .per{color:var(--steel);font-weight:600}
.price-row .each{margin-left:auto;font-size:.88rem;color:var(--graphite);background:var(--frost);border-radius:999px;padding:4px 10px;font-weight:600}
.buy{display:flex;gap:10px;margin-top:auto}
.buy .btn{flex:1}
.qty{display:inline-flex;align-items:center;border:1.5px solid var(--line-2);border-radius:var(--radius-s);background:#fff;height:52px;flex:none}
.qty button{width:46px;height:100%;border:0;background:none;cursor:pointer;display:grid;place-items:center;color:var(--ink);border-radius:6px;transition:background .15s,color .15s}
.qty button:hover{background:var(--frost);color:var(--red)}
.qty button:disabled{color:#B8BDC4;cursor:not-allowed;background:none}
.qty button svg{width:18px;height:18px}
.qty input{width:44px;height:100%;border:0;text-align:center;font:inherit;font-weight:800;font-size:1.1rem;background:none;-moz-appearance:textfield;appearance:textfield;color:var(--ink)}
.qty input::-webkit-outer-spin-button,.qty input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.qty input:focus{outline:none}
.qty:focus-within{border-color:var(--ink);box-shadow:0 0 0 4px rgba(23,25,29,.08)}
.qty-sm{height:42px}
.qty-sm button{width:38px}
.qty-sm input{width:36px;font-size:1rem}
.prod-note{display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap;margin:28px auto 0;color:var(--steel);font-size:.95rem;text-align:center;max-width:70ch}
.prod-note svg{width:18px;height:18px;color:var(--red)}

/* Steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s;position:relative}
.steps li{counter-increment:s;position:relative;padding:30px 26px 26px;border-radius:var(--radius-m);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1)}
.steps li::before{content:counter(s);display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--red);color:#fff;font-weight:900;font-size:1.15rem;margin-bottom:18px;font-stretch:118%;box-shadow:0 0 0 6px rgba(210,20,28,.18)}
.steps li:not(:last-child)::after{content:"";position:absolute;top:52px;right:-18px;width:18px;height:2px;background:linear-gradient(90deg,var(--red),transparent)}
.steps h3{margin-bottom:6px;color:#fff}
.steps p{margin:0;color:#B9BEC6}
.steps-cta{display:flex;justify-content:center;margin-top:36px}

/* Order */
.order{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,4vw,48px);align-items:start}
.summary{position:sticky;top:100px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-1)}
.summary-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 24px;background:var(--ink);color:#fff}
.summary-head h3{margin:0;color:#fff;font-size:1.2rem;display:flex;gap:10px;align-items:center}
.summary-head h3 svg{width:22px;height:22px;color:#FF6B70}
.summary-head .count{font-size:.88rem;color:#B9BEC6;font-weight:600}
.lines{list-style:none;margin:0;padding:6px 24px}
.line{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.line:last-child{border-bottom:0}
.line .thumb{width:54px;height:54px;border-radius:10px;background:var(--frost);display:grid;place-items:center;border:1px solid var(--line)}
.line .thumb svg{width:38px;height:38px}
.line .meta b{display:block;font-stretch:110%;line-height:1.25}
.line .meta span{font-size:.86rem;color:var(--steel)}
.line .ctrl{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.line .amt{font-weight:800;font-stretch:110%}
.line .rm{border:0;background:none;color:var(--steel);font-size:.82rem;font-weight:600;cursor:pointer;padding:10px 0;min-height:40px;text-decoration:underline;text-underline-offset:3px}
.line .rm:hover{color:var(--red-deep)}
.empty{padding:28px 24px 30px;text-align:center}
.empty .ic{width:64px;height:64px;border-radius:50%;margin:0 auto 14px;background:var(--red-tint);color:var(--red);display:grid;place-items:center}
.empty .ic svg{width:30px;height:30px}
.empty p{color:var(--steel);margin:0 auto 16px;max-width:34ch}
.empty .pick{display:grid;gap:10px}
.empty .pick .btn{width:100%}
.totals{padding:18px 24px 22px;background:var(--frost);border-top:1px solid var(--line)}
.totals .row{display:flex;justify-content:space-between;gap:12px;font-size:.95rem;color:var(--graphite);margin-bottom:6px}
.totals .grand{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-top:10px;padding-top:12px;border-top:1px dashed var(--line-2)}
.totals .grand b{font-size:1.05rem}
.totals .grand .v{font-size:1.9rem;font-weight:900;font-stretch:118%;letter-spacing:-.02em}
.totals small{display:block;margin-top:10px;color:var(--steel);line-height:1.45;font-size:.84rem}
.summary .bump{animation:bump .4s var(--ease-out)}
@keyframes bump{40%{transform:scale(1.06)}}

.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:clamp(22px,3.5vw,38px);box-shadow:var(--shadow)}
.form-card h3{font-size:1.45rem;margin-bottom:4px}
.form-card .sub{color:var(--steel);margin-bottom:22px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px 16px}
.field{display:flex;flex-direction:column;gap:6px;grid-column:1/-1}
.field.half{grid-column:auto}
.field label{font-weight:700;font-size:.94rem}
.field label .req{color:var(--red);margin-left:2px}
.field input,.field select,.field textarea{width:100%;min-height:54px;border:1.5px solid var(--line-2);border-radius:var(--radius-s);padding:12px 14px;font:inherit;font-size:1rem;background:#fff;color:var(--ink);transition:border-color .2s,box-shadow .2s;-webkit-appearance:none;appearance:none}
.field textarea{min-height:104px;resize:vertical;line-height:1.5}
.field input::placeholder,.field textarea::placeholder{color:#8A9099}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 4px rgba(23,25,29,.08)}
.field.err input,.field.err select,.field.err textarea{border-color:var(--red);box-shadow:0 0 0 4px rgba(210,20,28,.1)}
.field .help{font-size:.84rem;color:var(--steel)}
.field .msg{font-size:.86rem;color:var(--red-deep);font-weight:600}
.field .msg:empty{display:none}
.form-alert{display:none;margin:18px 0 0;padding:14px 16px;border-radius:10px;background:var(--red-tint);color:var(--red-deep);font-weight:600;border:1px solid rgba(210,20,28,.25)}
.form-alert.show{display:flex;gap:10px;align-items:flex-start}
.form-alert svg{width:20px;height:20px;flex:none;margin-top:2px}
.form-foot{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.form-foot .btn{width:100%;min-height:60px;font-size:1.08rem}
.form-foot small{color:var(--steel);text-align:center;line-height:1.5}
.form-loading{display:flex;gap:12px;align-items:center;color:var(--steel);padding:18px 0}
.form-loading .spin{width:20px;height:20px;border:2.5px solid var(--line);border-top-color:var(--red);border-radius:50%;animation:spin .8s linear infinite}
.success{text-align:center;padding:20px 6px 6px}
.success:focus{outline:none}
.success .chk{width:84px;height:84px;border-radius:50%;background:var(--ok-tint);color:var(--ok);display:grid;place-items:center;margin:0 auto 18px;animation:pop .55s var(--ease-out)}
.success .chk svg{width:42px;height:42px}
.success .chk path{stroke-dasharray:30;stroke-dashoffset:30;animation:draw .6s .25s var(--ease-out) forwards}
.success h3{font-size:1.6rem}
.success p{color:var(--graphite);max-width:46ch;margin-left:auto;margin-right:auto}
.success .recap{text-align:left;background:var(--frost);border-radius:12px;padding:16px 18px;margin:18px auto;max-width:440px;font-size:.95rem;white-space:pre-line}
@keyframes pop{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:none}}
@keyframes draw{to{stroke-dashoffset:0}}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* Delivery area */
.area{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(28px,5vw,64px);align-items:center}
.map{position:relative;aspect-ratio:1/1;max-width:520px;width:100%;margin:0 auto}
.map svg{width:100%;height:100%;display:block}
.map .q{fill:#fff;stroke:var(--line);stroke-width:2;transition:fill .3s}
.map g.quad:hover .q,.map g.quad.on .q{fill:var(--red-tint)}
.map text{font-family:var(--font);font-weight:800;fill:var(--ink);font-size:21px;font-stretch:118%}
.map .sub{font-weight:600;fill:var(--steel);font-size:13px;font-stretch:100%}
.map .river{fill:none;stroke:#BFD6E6;stroke-width:6;stroke-linecap:round}
.map .core circle{fill:var(--red)}
.map .core .ring{fill:none;stroke:var(--red);stroke-width:2;transform-origin:center;transform-box:fill-box;animation:ping 2.6s var(--ease-out) infinite}
.map .route{fill:none;stroke:var(--red);stroke-width:2;stroke-dasharray:4 7;opacity:.5}
@keyframes ping{0%{transform:scale(.6);opacity:.9}100%{transform:scale(2.8);opacity:0}}
.areas-copy p{color:var(--graphite)}
.groups{display:grid;gap:18px;margin-top:22px}
.group h3{font-size:.95rem;letter-spacing:.06em;text-transform:uppercase;color:var(--steel);font-stretch:112%;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.group h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--red)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.chips li{display:inline-block;padding:7px 13px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:.92rem;font-weight:600;color:var(--graphite);transition:border-color .2s,background .2s,color .2s,transform .2s}
.chips li:hover{border-color:var(--red);color:var(--red-deep);background:var(--red-tint);transform:translateY(-1px)}
.area-note{display:flex;gap:12px;margin-top:24px;padding:16px 18px;border-radius:12px;background:var(--frost);border-left:4px solid var(--red);font-size:.95rem;color:var(--graphite)}
.area-note svg{width:22px;height:22px;color:var(--red);flex:none;margin-top:1px}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:clamp(28px,5vw,64px)}
.faq-aside{position:sticky;top:110px;align-self:start}
.faq-aside .box{margin-top:22px;padding:22px;border-radius:var(--radius-m);background:var(--ink);color:#fff}
.faq-aside .box p{color:#B9BEC6;margin-bottom:14px}
.faq-aside .box .btn{width:100%}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:22px 0;font-weight:700;font-size:1.1rem;font-stretch:106%;transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary h3{margin:0;font-size:inherit;font-weight:inherit;font-stretch:inherit;line-height:1.35}
.faq summary .pm{position:relative;width:30px;height:30px;border-radius:50%;border:1.5px solid var(--ink);flex:none;transition:background .2s,border-color .2s,transform .3s var(--ease-out)}
.faq summary .pm::before,.faq summary .pm::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;background:var(--ink);transform:translate(-50%,-50%);transition:transform .3s var(--ease-out),background .2s}
.faq summary .pm::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq details[open] summary .pm{background:var(--red);border-color:var(--red)}
.faq details[open] summary .pm::before,.faq details[open] summary .pm::after{background:#fff}
.faq details[open] summary .pm::after{transform:translate(-50%,-50%) rotate(0)}
.faq summary:hover{color:var(--red-deep)}
.faq .ans{color:var(--graphite);max-width:68ch;padding-bottom:22px}
.faq .ans p:last-child{margin-bottom:0}
.faq .ans ul{margin:0 0 1em;padding-left:1.2em}
.faq .ans li{margin:.3em 0}

/* CTA band */
.cta-band{background:var(--red);color:#fff;position:relative;overflow:hidden}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;padding-top:clamp(44px,5vw,68px);padding-bottom:clamp(44px,5vw,68px);flex-wrap:wrap;position:relative;z-index:1}
.cta-band h2{color:#fff;margin:0 0 8px;max-width:20ch}
.cta-band p{margin:0;color:#FFE3E4;max-width:52ch}
.cta-band .bolt-bg{position:absolute;right:4%;top:-30%;height:160%;width:auto;color:#fff;opacity:.08}

/* Footer */
.footer{background:var(--ink);color:#B9BEC6;padding:68px 0 30px;font-size:.95rem}
.footer a{color:#E9EBEE;text-decoration:none}
.footer a:hover{color:#fff;text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer h4{color:#fff;margin-bottom:14px;font-size:1.02rem}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer .flogo svg{height:56px;width:auto;margin-bottom:16px}
.footer .sister{display:flex;gap:12px;align-items:center;margin-top:18px;padding:14px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04)}
.footer .sister svg.logo{height:38px;width:auto;flex:none}
.footer .sister span{font-size:.9rem;line-height:1.4}
.footer .ph{color:#9AA0A8;font-style:italic}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.86rem}
.maple{display:inline-block;width:14px;height:14px;color:var(--red);vertical-align:-2px;margin:0 2px}

/* Mobile order bar */
.orderbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:55;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:10px 12px calc(10px + env(safe-area-inset-bottom));gap:10px;align-items:center;box-shadow:0 -8px 24px -16px rgba(23,25,29,.4);transform:translateY(110%);transition:transform .35s var(--ease-out)}
.orderbar.show{transform:none}
.orderbar .btn{flex:1;min-height:54px;font-size:1.02rem}
.orderbar .ob-sum{display:none;flex-direction:column;line-height:1.2;padding-left:4px}
.orderbar .ob-sum b{font-size:1.15rem;font-stretch:115%}
.orderbar .ob-sum span{font-size:.8rem;color:var(--steel)}
.has-cart .orderbar .ob-sum{display:flex}

/* Toast */
.toast{visibility:hidden;width:max-content;position:fixed;left:50%;bottom:24px;z-index:70;display:flex;align-items:center;gap:12px;background:var(--ink);color:#fff;padding:12px 14px 12px 16px;border-radius:12px;box-shadow:var(--shadow);transform:translate(-50%,140%);transition:transform .4s var(--ease-out);max-width:calc(100vw - 24px)}
.toast.show{visibility:visible;transform:translate(-50%,0)}
.toast svg{width:20px;height:20px;color:#4ADE80;flex:none}
.toast .t-msg{white-space:nowrap}
.toast a{color:#fff;font-weight:700;margin-left:6px;white-space:nowrap}

/* Reveal motion */
.js .rv{opacity:0;transform:translateY(20px);transition:opacity .75s var(--ease-out),transform .75s var(--ease-out);transition-delay:calc(var(--i,0) * 80ms)}
.js .rv.in{opacity:1;transform:none}

/* Responsive */
@media (max-width:1100px){
  .nav a.hide-md{display:none}
}
@media (max-width:980px){
  .nav,.header-cta .btn{display:none}
  .menu-btn{display:inline-flex;margin-left:0}
  .header-cta{margin-left:auto}
  .hero-grid,.order,.area,.faq-grid{grid-template-columns:1fr}
  .hero-art{max-width:520px;justify-self:center;aspect-ratio:1/1}
  .why{grid-template-columns:1fr}
  .why-card{display:grid;grid-template-columns:auto 1fr;gap:4px 18px;padding:22px}
  .why-card .ic{grid-row:span 2;margin:0}
  .steps{grid-template-columns:1fr}
  .steps li:not(:last-child)::after{display:none}
  .summary,.faq-aside{position:static}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-grid>div:first-child{grid-column:1/-1}
  .sec-head{grid-template-columns:1fr}
}
@media (max-width:680px){
  body{font-size:16.5px}
  .has-orderbar{padding-bottom:84px}
  .orderbar{display:flex}
  .topbar .tb-hide{display:none}
  .brand svg{height:42px}
  .header .wrap{min-height:66px;gap:12px}
  .hero{padding-top:20px}
  .hero-art{aspect-ratio:1/1;max-width:380px}
  .hero .brandline{margin-bottom:16px}
  .hero-art .chip{padding:9px 12px;font-size:.8rem}
  .hero-art .chip b{font-size:.9rem}
  .hero-art .chip .ic{width:32px;height:32px}
  .hero-actions .btn{flex:1 1 100%}
  .trust-row{gap:10px 16px;font-size:.9rem}
  .fgrid{grid-template-columns:1fr}
  .field.half{grid-column:1/-1}
  .specs b{font-size:1rem}
  .price{font-size:2.1rem}
  .buy{flex-wrap:wrap}
  .buy .qty{flex:1 1 auto;justify-content:space-between}
  .buy .qty input{flex:1}
  .buy .btn{flex:1 1 100%}
  .foot-grid{grid-template-columns:1fr}
  .cta-band .btn{width:100%}
  .toast{bottom:96px}
  .cart-pill .lbl{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .js .rv{opacity:1;transform:none}
}
@media print{.header,.orderbar,.drawer,.topbar,.cta-band{display:none}}

/* Red side walls on wide screens (same as Flash Furnace) */
@media (min-width:1340px){
  body::before,body::after{content:"";position:fixed;top:0;bottom:0;z-index:52;pointer-events:none;width:clamp(0px,calc((100% - 1200px) / 2 - 14px),280px);
    background:
      url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='240' viewBox='0 0 120 240'%3E%3Cpath d='M70 14 38 76h22l-12 46 36-62H62z' fill='%23fff' fill-opacity='.07'/%3E%3Cpath d='M58 134 30 188h19l-10 40 31-54H51z' fill='%23000' fill-opacity='.08'/%3E%3C/svg%3E") center top/120px 240px repeat-y,
      url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E") 0 0/180px 180px,
      repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 2px,transparent 2px 9px),
      linear-gradient(180deg,rgba(255,255,255,.10),transparent 22%,transparent 78%,rgba(0,0,0,.16)),
      linear-gradient(90deg,#7C0A10 0%,#9E0E16 22%,#C3131C 62%,#DA1F28 92%,#E8343C 100%)}
  body::before{left:0;box-shadow:inset -3px 0 0 #F25A61,inset -4px 0 0 rgba(90,0,6,.55),10px 0 34px -14px rgba(120,10,16,.45)}
  body::after{right:0;transform:scaleX(-1);box-shadow:inset -3px 0 0 #F25A61,inset -4px 0 0 rgba(90,0,6,.55),10px 0 34px -14px rgba(120,10,16,.45)}
}
@media print{body::before,body::after{display:none}}

/* Product cards: photo-led, minimal text */
.product .stage{aspect-ratio:1/1;padding:0;background:#E4E4E4}
.product .stage::before{display:none}
.product .stage img{position:relative;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease-out)}
.product:hover .stage img{transform:scale(1.04)}
.product .body{padding:22px 24px 24px}
.product h3{font-size:clamp(1.7rem,2.6vw,2.1rem);margin-bottom:0}
.product h3 .sub{display:block;font-size:.5em;font-weight:700;color:var(--steel);margin-top:8px;font-stretch:100%;letter-spacing:.02em}
.product .price{display:flex;align-items:baseline;gap:8px;margin:16px 0 20px}
.product .price .per{font-size:1rem;font-weight:600;color:var(--steel);letter-spacing:0;font-stretch:100%}
.line .thumb{overflow:hidden;background:#EDEEEF}
.line .thumb img{width:100%;height:100%;object-fit:cover}