/* ARF Industries website: light premium theme (white surfaces, ink text, brand red accent only). */
:root{--bg:#f5f6f8;--card:#fff;--ink:#0f1720;--text:#334155;--mute:#64748b;--line:#e6e8ec;--red:#c1121f;--red2:#a10f1a;--redbg:#fdf0f1;--ok:#15803d;
 --r:14px;--sh:0 1px 2px rgba(15,23,32,.05),0 6px 20px rgba(15,23,32,.06);--sh2:0 2px 6px rgba(15,23,32,.06),0 18px 44px rgba(15,23,32,.12);--hh:72px}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--hh) + 12px)}
body{font:16px/1.6 Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:Manrope,Inter,sans-serif;color:var(--ink);line-height:1.15;letter-spacing:-.02em}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.eyebrow{display:inline-block;font:700 12px/1 Inter,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--red);margin-bottom:12px}
.lead{color:var(--mute);font-size:17px;max-width:40em}
.sec{padding:72px 0;overflow-x:clip}.sec.tint{background:var(--bg)}
.sec-h{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.sec-h h2{font-size:clamp(28px,3.4vw,40px);font-weight:800}
.sec-h p{margin-top:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 15px/1 Inter,sans-serif;text-decoration:none;padding:14px 22px;border-radius:10px;border:1.5px solid transparent;cursor:pointer;transition:.18s}
.btn.red{background:var(--red);color:#fff}.btn.red:hover{background:var(--red2);box-shadow:0 8px 20px rgba(193,18,31,.25)}
.btn.line{border-color:#cfd5dc;color:var(--ink);background:#fff}.btn.line:hover{border-color:var(--ink)}
.btn.wa{border-color:#1fa855;color:#178f47;background:#fff}.btn.wa:hover{background:#1fa855;color:#fff}
.btn.sm{padding:10px 16px;font-size:14px}
.link{color:var(--red);font-weight:600;text-decoration:none}.link:hover{text-decoration:underline}

/* Header */
.topbar{background:var(--ink);color:#cbd5e1;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:7px;padding-bottom:7px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none}
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;gap:24px;height:var(--hh)}
.logo img{height:46px;width:auto}
nav{margin-left:auto}
nav ul{list-style:none;display:flex;gap:4px;padding:0;align-items:center}
nav a{display:block;padding:10px 12px;border-radius:8px;text-decoration:none;font-weight:600;font-size:15px;color:var(--ink)}
nav a:hover,nav a.on{background:var(--bg);color:var(--red)}
.hcta{display:flex;gap:8px}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}
.burger span,.burger span:before,.burger span:after{display:block;width:18px;height:2px;background:var(--ink);margin:auto;position:relative;transition:.2s}
.burger span:before,.burger span:after{content:"";position:absolute;left:0}.burger span:before{top:-6px}.burger span:after{top:6px}

/* Hero */
.hero{background:linear-gradient(180deg,#fff 0,#f6f7f9 100%);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;padding-top:56px;padding-bottom:64px}
.hero h1{font-size:clamp(34px,4.6vw,56px);font-weight:800;margin-bottom:16px}
.hero h1 em{font-style:normal;color:var(--red)}
.hero .lead{margin-bottom:26px}
.hero .ctas{display:flex;gap:10px;flex-wrap:wrap}
.ticks{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:26px;font-size:14px;color:var(--text)}
.ticks li{padding-left:24px;position:relative}
.ticks li:before{content:"";position:absolute;left:0;top:3px;width:16px;height:16px;border-radius:50%;background:#e8f5ee url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%2315803d' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/16px no-repeat}
.show{position:relative;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--sh2);height:460px;overflow:hidden}
.show figure{position:absolute;inset:0;display:grid;grid-template-rows:1fr auto;opacity:0;transition:opacity .6s;pointer-events:none}
.show figure.on{opacity:1;pointer-events:auto}
.show .pic{display:grid;place-items:center;padding:34px 34px 10px;background:radial-gradient(60% 60% at 50% 45%,#fff 0,#f3f5f7 100%)}
.show .pic img{max-height:100%;max-width:100%;object-fit:contain;max-height:min(330px,100%)}
.show figcaption{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 22px;border-top:1px solid var(--line);background:#fff}
.show figcaption b{font-family:Manrope,sans-serif;color:var(--ink);font-size:17px}
.show figcaption span{display:block;color:var(--mute);font-size:13px}
.show .dots{position:absolute;top:16px;right:16px;display:flex;gap:6px}
.show .dots button{width:9px;height:9px;border-radius:50%;border:0;background:#cfd5dc;cursor:pointer;padding:0}
.show .dots button.on{background:var(--red);width:22px;border-radius:5px}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-34px;position:relative}
.stats div{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:18px 20px}
.stats b{display:block;font:800 26px/1.1 Manrope,sans-serif;color:var(--ink)}
.stats span{color:var(--mute);font-size:14px}

/* Category tiles */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px;text-decoration:none;transition:.2s}
.cat:hover{box-shadow:var(--sh2);transform:translateY(-3px);border-color:#d6dbe1}
.cat .ci{flex:0 0 76px;height:76px;border-radius:10px;background:var(--bg);display:grid;place-items:center;padding:6px}
.cat .ci img{max-height:64px;object-fit:contain}
.cat b{display:block;font:700 16px/1.25 Manrope,sans-serif;color:var(--ink)}
.cat span{font-size:13px;color:var(--mute)}

/* Machine slider */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.chips button{font:600 14px Inter,sans-serif;border:1px solid var(--line);background:#fff;color:var(--text);padding:9px 14px;border-radius:999px;cursor:pointer;transition:.15s}
.chips button:hover{border-color:#cfd5dc}
.chips button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.slider{position:relative}
.track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 3*18px)/4);gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding:6px 2px 18px;scrollbar-width:none}
.track::-webkit-scrollbar{display:none}
.nav-btn{position:absolute;top:38%;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;box-shadow:var(--sh2);cursor:pointer;display:grid;place-items:center;z-index:2;transition:.15s}
.nav-btn:hover{border-color:var(--ink)}.nav-btn[disabled]{opacity:0;pointer-events:none}
.nav-btn.prev{left:-22px}.nav-btn.next{right:-22px}
.nav-btn svg{width:18px;height:18px}
.slider-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:6px;flex-wrap:wrap}
.count{color:var(--mute);font-size:14px}

/* Machine card */
.mc{scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:.2s;text-decoration:none}
.mc:hover{box-shadow:var(--sh2);transform:translateY(-4px)}
.mc .ph{height:220px;display:grid;place-items:center;padding:18px;background:radial-gradient(70% 70% at 50% 45%,#fff 0,#f2f4f7 100%);position:relative}
.mc .ph img{max-height:184px;object-fit:contain;transition:transform .3s}
.mc:hover .ph img{transform:scale(1.04)}
.mc .tag{position:absolute;left:12px;top:12px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--mute);background:#fff;border:1px solid var(--line);padding:4px 8px;border-radius:6px}
.mc .bd{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.mc h3{font-size:17px;font-weight:700}
.mc .cap{font-size:13.5px;color:var(--mute)}
.mc .go{margin-top:auto;padding-top:10px;color:var(--red);font-weight:600;font-size:14px}
.noph{display:grid;place-items:center;text-align:center;color:var(--mute);font-size:13px;gap:6px}
.noph img{width:70px!important;opacity:.35}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}

/* Makhana line */
.line8{display:grid;grid-template-columns:repeat(8,1fr);gap:0;list-style:none;padding:0;counter-reset:s}
.line8 li{position:relative;text-align:center;padding:0 6px}
.line8 li:before{content:"";position:absolute;top:27px;left:-50%;width:100%;height:2px;background:linear-gradient(90deg,var(--red),#f2a3a9)}
.line8 li:first-child:before{display:none}
.line8 a{position:relative;z-index:1;text-decoration:none;display:flex;flex-direction:column;align-items:center;gap:8px}
.line8 .dot{width:56px;height:56px;border-radius:50%;background:#fff;border:2px solid var(--red);display:grid;place-items:center;font:800 18px Manrope,sans-serif;color:var(--red);box-shadow:0 0 0 6px #fff;transition:.2s}
.line8 a:hover .dot{background:var(--red);color:#fff}
.line8 b{font:700 14px/1.3 Manrope,sans-serif;color:var(--ink)}
.line8 .hi{font-size:12.5px;color:var(--red)}
.line8 small{font-size:12.5px;color:var(--mute);line-height:1.4}
.line8 li.on .dot{background:var(--red);color:#fff;box-shadow:0 0 0 6px var(--redbg)}

/* Why / plants / faq / terms */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.why div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px}
.why .ic{width:42px;height:42px;border-radius:10px;background:var(--redbg);color:var(--red);display:grid;place-items:center;margin-bottom:14px}
.why .ic svg{width:22px;height:22px}
.why h3{font-size:18px;margin-bottom:6px}.why p{font-size:14.5px;color:var(--mute)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.plants{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.plants li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-weight:600;font-size:14.5px;color:var(--ink)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;transition:.2s}
.faq details[open]{box-shadow:var(--sh)}
.faq summary{list-style:none;cursor:pointer;padding:16px 18px;font-weight:600;color:var(--ink);display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--red);font-weight:700;font-size:20px;line-height:1}
.faq details[open] summary:after{content:"−"}
.faq details p{padding:0 18px 16px;color:var(--mute)}
.terms{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.terms div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.terms dt{font-weight:700;color:var(--ink);font-size:15px}.terms dd{margin:2px 0 0;color:var(--mute);font-size:14px}

/* Contact */
.contact{background:var(--ink);color:#cbd5e1}
.contact .wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;padding-top:64px;padding-bottom:64px}
.contact h2{color:#fff;font-size:34px;margin-bottom:12px}
.contact a{color:#fff}
.contact .row{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.contact .btn.line{background:transparent;color:#fff;border-color:#475569}
form#enq{background:#fff;border-radius:16px;padding:24px;display:grid;gap:12px;color:var(--text)}
form#enq label{font-size:13px;font-weight:600;color:var(--ink);display:block;margin-bottom:4px}
form#enq input,form#enq textarea{width:100%;font:15px Inter,sans-serif;border:1px solid #d6dbe1;border-radius:10px;padding:12px 14px;background:#fff}
form#enq input:focus,form#enq textarea:focus{outline:2px solid #fbd5d8;border-color:var(--red)}
form#enq button{background:var(--red);color:#fff;border:0;border-radius:10px;padding:14px;font:600 15px Inter,sans-serif;cursor:pointer}
.fmsg{font-size:14px;color:var(--ok)}

/* Footer */
footer{background:#0b1118;color:#94a3b8;font-size:14px}
footer .wrap{padding-top:48px;padding-bottom:28px}
.fcols{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px;margin-bottom:28px}
footer h4{color:#fff;font-size:15px;margin-bottom:12px}
footer ul{list-style:none;padding:0;display:grid;gap:6px}
footer a{text-decoration:none;color:#cbd5e1}footer a:hover{color:#fff}
.legal{border-top:1px solid #1e293b;padding-top:18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;background:#1fa855;color:#fff;text-decoration:none;font-weight:700;padding:12px 18px;border-radius:999px;box-shadow:0 10px 24px rgba(31,168,85,.35)}

/* Product page */
.crumb{font-size:13.5px;color:var(--mute);padding:20px 0 0}.crumb a{text-decoration:none;color:var(--mute)}.crumb a:hover{color:var(--red)}
.pd{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;padding:22px 0 56px;align-items:start}
.pd .frame{position:sticky;top:calc(var(--hh) + 20px);background:radial-gradient(65% 65% at 50% 45%,#fff 0,#f2f4f7 100%);border:1px solid var(--line);border-radius:22px;aspect-ratio:1/1;display:grid;place-items:center;padding:40px;box-shadow:var(--sh)}
.pd .frame img{max-height:360px;object-fit:contain}
.pd h1{font-size:clamp(30px,3.6vw,44px);font-weight:800;margin:4px 0 12px}
.pd .ov{font-size:17px;color:var(--text);margin-bottom:22px}
.lbl{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);margin-bottom:8px}
.caps{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.caps span{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 14px;font-weight:600;font-size:14px;color:var(--ink)}
.kf{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:0 0 22px}
.kf div{background:var(--bg);border-radius:12px;padding:12px 14px}
.kf span{display:block;font-size:12px;color:var(--mute);text-transform:uppercase;letter-spacing:.08em}
.kf b{font:700 16px/1.3 Manrope,sans-serif;color:var(--ink)}
.pd .ctas{display:flex;gap:10px;flex-wrap:wrap}
.pd .ticks{margin-top:20px}
.tabs{border-bottom:1px solid var(--line);display:flex;gap:4px;position:sticky;top:var(--hh);background:#fff;z-index:5;overflow-x:auto}
.tabs a{padding:14px 16px;font-weight:600;font-size:15px;text-decoration:none;color:var(--mute);border-bottom:2px solid transparent;white-space:nowrap}
.tabs a:hover{color:var(--ink)}.tabs a.on{color:var(--ink);border-color:var(--red)}
.psec{padding:44px 0 0}.psec h2{font-size:28px;font-weight:800;margin-bottom:6px}
.psec .note{color:var(--mute);font-size:14.5px;margin-bottom:16px}
.tspec{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.tspec th,.tspec td{text-align:left;padding:13px 18px;border-bottom:1px solid #eef0f3;font-size:15px;vertical-align:top}
.tspec tr:last-child th,.tspec tr:last-child td{border-bottom:0}
.tspec th{width:38%;background:#fafbfc;font-weight:600;color:var(--ink)}
.feat{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.feat li{position:relative;padding:12px 14px 12px 42px;border:1px solid var(--line);border-radius:12px;font-size:15px;background:#fff}
.feat li:before{content:"";position:absolute;left:14px;top:14px;width:18px;height:18px;border-radius:50%;background:#e8f5ee url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%2315803d' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/16px no-repeat}
.pwrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;padding-bottom:64px}
.qcard{position:sticky;top:calc(var(--hh) + 70px);margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--sh2)}
.qcard h3{font-size:20px;margin-bottom:6px}.qcard p{font-size:14px;color:var(--mute);margin-bottom:14px}
.qcard .btn{width:100%;margin-top:8px}
.qcard .ph{text-align:center;margin:12px 0 0;font-size:14px}

@media(max-width:1020px){
 .hero .wrap,.pd,.split,.contact .wrap{grid-template-columns:1fr}
 .track{grid-auto-columns:calc((100% - 2*18px)/3)}
 .cats,.why{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}
 .line8{grid-template-columns:repeat(4,1fr);row-gap:26px}.line8 li:nth-child(5):before{display:none}
 .pwrap{grid-template-columns:1fr}.qcard{position:static}.pd .frame{position:static;aspect-ratio:4/3}
 .fcols{grid-template-columns:1fr 1fr}
 nav,.hcta{display:none}.burger{display:block}
 header.open nav{display:block;position:absolute;left:0;right:0;top:var(--hh);background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 18px;box-shadow:var(--sh2)}
 header.open nav ul{flex-direction:column;align-items:stretch}
}
@media(max-width:640px){
 .sec{padding:52px 0}
 .track{grid-auto-columns:78%}.nav-btn{display:none}
 .cats{grid-template-columns:1fr}.why,.stats{grid-template-columns:1fr 1fr}
 .feat,.plants{grid-template-columns:1fr}.kf{grid-template-columns:1fr 1fr}
 .mc .ph{height:190px}.mc .ph img{max-height:156px}
 .tspec th,.tspec td{padding:11px 12px;font-size:14px}.tspec th{width:44%}
 .topbar .addr{display:none}
 .stats div{padding:14px}.stats b{font-size:21px}
 .line8 small{display:none}
}