/* Prayagraj Silica Industries Pvt Ltd - theme "Quartz & Ember": deep navy ink, warm sand, amber glow, icy quartz accent.
   Change colours and fonts from the :root variables below. */
:root{--ink:#0B1220;--ink2:#121C2F;--ink3:#1B2842;--amber:#F29F2D;--amber2:#FFC15E;--ember:#E8741E;--ice:#6FD3E6;--sand:#EBDDBE;--sand2:#F6EFDD;--paper:#FAF7F0;--text:#1A2233;--soft:#5B6577;--line:#E4DCC8;--r:20px;--sh:0 18px 50px rgba(11,18,32,.16);--disp:'Bricolage Grotesque','Segoe UI',system-ui,sans-serif;--sans:'DM Sans',system-ui,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:clip;line-height:1.65}
img{max-width:100%;display:block}a{color:inherit}
h1,h2,h3,h4,h5{font-family:var(--disp);line-height:1.12;margin:0;color:var(--ink)}
p{margin:0 0 1em}
.wrap{max-width:1240px;margin:0 auto;padding:0 clamp(18px,3vw,36px);position:relative;z-index:2}
section{position:relative}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.center{text-align:center}
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:200;background:linear-gradient(90deg,var(--ice),var(--amber),var(--ember));transform:scaleX(0);transform-origin:0 50%}

/* reveal */
.js .reveal{opacity:0;transform:translateY(34px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}

/* buttons */
.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 28px;border-radius:14px;border:2px solid transparent;font:700 15px var(--sans);text-decoration:none;cursor:pointer;transition:transform .3s,box-shadow .3s,background .3s,color .3s,border-color .3s}
.btn::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);transform:translateX(-120%);transition:transform .7s}
.btn:hover::after{transform:translateX(120%)}
.btn:hover{transform:translateY(-3px)}
.btn i{transition:transform .3s}.btn:hover i.fa-arrow-right{transform:translateX(5px)}
.btn-amber{background:linear-gradient(135deg,var(--amber2),var(--amber) 55%,var(--ember));color:var(--ink);box-shadow:0 12px 28px rgba(242,159,45,.38)}
.btn-ink{background:var(--ink);color:#fff;box-shadow:0 12px 28px rgba(11,18,32,.25)}.btn-ink:hover{background:var(--ink3)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff;backdrop-filter:blur(6px);background:rgba(255,255,255,.06)}.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-line{border-color:var(--ink);color:var(--ink)}.btn-line:hover{background:var(--ink);color:#fff}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .35s,box-shadow .35s,padding .35s;padding:10px 0}
.nav.scrolled{background:rgba(11,18,32,.88);backdrop-filter:blur(14px);box-shadow:0 8px 30px rgba(0,0,0,.25);padding:4px 0}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff;font:800 19px/1.05 var(--disp)}
.brand img{width:46px;height:46px;border-radius:13px;transition:transform .5s}.brand:hover img{transform:rotate(-8deg) scale(1.06)}
.brand small{display:block;font:600 10.5px var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--amber2);margin-top:4px}
.menu{display:flex;align-items:center;gap:6px}
.menu>a:not(.btn){position:relative;color:#E5EAF4;text-decoration:none;font-weight:600;font-size:15px;padding:10px 14px}
.menu>a:not(.btn)::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .35s}
.menu>a:not(.btn):hover::after,.menu>a.is-active::after{transform:scaleX(1)}
.menu>a:hover,.menu>a.is-active{color:#fff}
.menu .menu-call{font-size:14px;color:var(--amber2)!important;margin-left:6px}.menu .menu-call i{margin-right:4px}
.menu-cta{padding:11px 22px;margin-left:6px}
.burger{display:none;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);color:#fff;width:46px;height:46px;border-radius:12px;font-size:19px;cursor:pointer}

/* hero slider */
.hero{position:relative;height:clamp(660px,100svh,920px);background:var(--ink);overflow:hidden;color:#fff;isolation:isolate}
.slide{position:absolute;inset:0;display:flex;align-items:center;opacity:0;visibility:hidden;transition:opacity 1.1s ease,visibility 0s 1.1s}
.slide.on{opacity:1;visibility:visible;transition:opacity 1.1s ease,visibility 0s;z-index:1}
.slide-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.14);transition:transform 9s cubic-bezier(.2,.5,.2,1)}
.slide.on .slide-bg{transform:scale(1)}
.slide-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,12,24,.94) 0%,rgba(7,12,24,.74) 36%,rgba(7,12,24,.12) 72%),linear-gradient(0deg,rgba(7,12,24,.85),transparent 32%)}
.hero-grains{position:absolute;inset:0;width:100%;height:100%;z-index:2;pointer-events:none}
.slide-copy{width:100%;padding-top:96px;padding-bottom:140px}
.slide-copy>*{max-width:600px;opacity:0;transform:translateY(34px);transition:opacity .8s,transform .8s}
.slide.on .slide-copy>*{opacity:1;transform:none}
.slide.on .slide-copy>:nth-child(1){transition-delay:.35s}.slide.on .slide-copy>:nth-child(2){transition-delay:.5s}.slide.on .slide-copy>:nth-child(3){transition-delay:.65s}.slide.on .slide-copy>:nth-child(4){transition-delay:.8s}.slide.on .slide-copy>:nth-child(5){transition-delay:.95s}
.chip{display:inline-flex;align-items:center;gap:9px;padding:8px 16px;border-radius:50px;background:rgba(111,211,230,.12);border:1px solid rgba(111,211,230,.4);color:#BDEFF8;font:700 12.5px var(--sans);letter-spacing:.14em;text-transform:uppercase;margin-bottom:22px;width:max-content}
.chip i{color:var(--ice)}
.slide-copy>h1,.slide-copy>h2{max-width:780px}
.slide h1,.slide h2{color:#fff;font-size:clamp(38px,6vw,78px);font-weight:800;letter-spacing:-.02em;margin-bottom:22px}
.slide h1 em,.slide h2 em{font-style:normal;background:linear-gradient(100deg,var(--amber2),var(--ember));-webkit-background-clip:text;background-clip:text;color:transparent}
.slide-copy p{font-size:clamp(16px,1.5vw,19px);color:#CBD5E7;margin-bottom:30px}
.slide-btns{display:flex;flex-wrap:wrap;gap:14px}
.slide-facts{list-style:none;display:flex;gap:clamp(18px,3vw,40px);padding:26px 0 0;margin:34px 0 0;border-top:1px solid rgba(255,255,255,.16)}
.slide-facts b{display:block;font:800 clamp(20px,2.4vw,28px) var(--disp);color:var(--amber2)}
.slide-facts span{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#9FB0CC}
.hero-arrow{position:absolute;top:50%;z-index:6;width:54px;height:54px;margin-top:-27px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(11,18,32,.45);backdrop-filter:blur(8px);color:#fff;cursor:pointer;transition:background .3s,transform .3s,color .3s}
.hero-arrow:hover{background:var(--amber);color:var(--ink);transform:scale(1.08)}
.hero-arrow.prev{left:clamp(10px,2vw,28px)}.hero-arrow.next{right:clamp(10px,2vw,28px)}
.hero-tabs{position:absolute;left:0;right:0;bottom:0;z-index:6;padding:22px 0 26px;background:linear-gradient(0deg,rgba(7,12,24,.8),transparent)}
.hero-tabs .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(8px,1.6vw,22px)}
.htab{background:none;border:0;color:#9FB0CC;text-align:left;cursor:pointer;padding:0;font:600 13px var(--sans);transition:color .3s}
.htab-n{font:800 13px var(--disp);color:var(--amber2);margin-right:8px;opacity:.7}
.htab-t{letter-spacing:.04em}
.htab-bar{display:block;height:3px;border-radius:3px;background:rgba(255,255,255,.2);margin-top:12px;overflow:hidden}
.htab-bar i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--amber2),var(--ember));transform:scaleX(0);transform-origin:0 50%}
.htab:hover,.htab.on{color:#fff}.htab.on .htab-n{opacity:1}

/* marquee */
.marq{background:linear-gradient(90deg,var(--amber),var(--amber2),var(--amber));overflow:hidden;white-space:nowrap;padding:16px 0;position:relative;z-index:3}
.marq-t{display:inline-flex;animation:marq 38s linear infinite}
.marq span{font:700 15px var(--disp);letter-spacing:.1em;text-transform:uppercase;color:var(--ink);padding:0 26px;display:inline-flex;align-items:center;gap:26px}
.marq i{font-size:8px;color:var(--ember)}
@keyframes marq{to{transform:translateX(-50%)}}

/* sections */
.sec{padding:clamp(70px,9vw,124px) 0;overflow:hidden}
.sec-dark{background:radial-gradient(1200px 500px at 85% -10%,#1d3a63 0,transparent 60%),linear-gradient(160deg,var(--ink),var(--ink2));color:#C7D1E4}
.sec-sand{background:var(--sand2)}
.grain-bg{position:absolute;inset:0;z-index:0;opacity:.55;pointer-events:none;background-image:radial-gradient(circle at 20% 30%,rgba(255,193,94,.5) 1px,transparent 1.5px),radial-gradient(circle at 70% 60%,rgba(111,211,230,.45) 1px,transparent 1.5px),radial-gradient(circle at 40% 80%,rgba(255,255,255,.35) 1px,transparent 1.5px);background-size:46px 46px,71px 71px,29px 29px;animation:drift 60s linear infinite}
@keyframes drift{to{background-position:460px 230px,-710px 355px,290px -145px}}
.sec-head{max-width:720px;margin:0 auto 56px}
.kick{display:inline-flex;align-items:center;gap:10px;font:700 13px var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--ember);margin-bottom:14px}
.kick::before{content:"";width:28px;height:2px;background:currentColor}
.sec-dark .kick,.phero .kick,.cta-band .kick{color:var(--amber2)}
.title{font-size:clamp(30px,4.2vw,52px);font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.sec-dark .title{color:#fff}
.lead{font-size:clamp(16px,1.35vw,18.5px);color:var(--soft)}.sec-dark .lead{color:#AEBBD3}
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,6vw,88px);align-items:center}
.sec-head.center .kick::after{content:"";width:28px;height:2px;background:currentColor}

/* page hero */
.phero{background:linear-gradient(160deg,var(--ink),#16264a);padding:clamp(150px,18vw,210px) 0 clamp(54px,7vw,84px);overflow:hidden;color:#fff}
.phero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:linear-gradient(90deg,var(--ice),var(--amber),var(--ember))}
.phero::before{content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(242,159,45,.4),transparent 65%)}
.phero h1{color:#fff;font-size:clamp(38px,6vw,76px);font-weight:800;letter-spacing:-.02em;animation:rise .9s both}
.phero .kick{animation:rise .9s both}
.crumb{margin-top:14px;color:#9FB0CC;font-size:14px;animation:rise .9s .15s both}.crumb a{color:var(--amber2);text-decoration:none}
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}

/* about visual */
.ah-art{position:relative;min-height:480px}
.ah-card{position:absolute;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);background:var(--ink)}
.ah-a{left:0;top:0;width:76%;aspect-ratio:8/7}.ah-a img{width:100%;height:100%;object-fit:cover}
.ah-b{right:0;bottom:0;width:46%;background:var(--sand);border:6px solid var(--paper);padding:14px;animation:float 6s ease-in-out infinite}
.ah-badge{position:absolute;left:10%;bottom:6%;background:linear-gradient(135deg,var(--amber2),var(--ember));color:var(--ink);border-radius:18px;padding:16px 24px;box-shadow:0 16px 36px rgba(232,116,30,.4);animation:float 7s ease-in-out -2s infinite}
.ah-badge b{display:block;font:800 34px var(--disp);line-height:1}.ah-badge span{font:700 11px var(--sans);letter-spacing:.18em;text-transform:uppercase}
@keyframes float{50%{transform:translateY(-14px)}}
.checks{list-style:none;padding:0;margin:22px 0 30px;display:grid;gap:12px}
.checks li{display:flex;gap:12px;font-weight:600}.checks i{color:var(--ember);margin-top:5px}

/* product cards */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pgrid-3{grid-template-columns:repeat(3,1fr)}
.pcard{background:var(--ink2);border:1px solid rgba(255,255,255,.08);border-radius:var(--r);overflow:hidden;box-shadow:0 14px 34px rgba(11,18,32,.18);transition:transform .45s cubic-bezier(.2,.7,.2,1),box-shadow .45s,border-color .45s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-10px);box-shadow:0 28px 60px rgba(11,18,32,.32);border-color:rgba(255,193,94,.5)}
.pcard-img{position:relative;display:block;overflow:hidden;aspect-ratio:8/7;background:var(--ink)}
.pcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.pcard:hover .pcard-img img{transform:scale(1.09)}
.pcard-b{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.pcard-cat{font:700 11.5px var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--amber2)}
.pcard h3{font-size:20px;margin:8px 0 8px;color:#fff}.pcard h3 a{text-decoration:none}.pcard h3 a:hover{color:var(--amber2)}
.pcard p{color:#9FB0CC;font-size:14.5px;margin:0 0 18px}
.pcard-row{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.pcard-btn{display:inline-flex;gap:8px;align-items:center;font-weight:700;font-size:14px;color:var(--ink);background:var(--amber);padding:10px 16px;border-radius:11px;text-decoration:none;transition:background .3s,gap .3s}
.pcard-btn:hover{background:var(--amber2);gap:12px}
.pcard-more{color:#C7D1E4;font-size:14px;font-weight:600;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3)}.pcard-more:hover{color:#fff}
.group{margin-bottom:64px}
.group-h{display:flex;align-items:center;gap:18px;margin-bottom:26px}.group-h h2{font-size:clamp(24px,3vw,34px)}.group-h::after{content:"";flex:1;height:2px;background:linear-gradient(90deg,var(--line),transparent)}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:46px}
.filters button{border:2px solid var(--line);background:#fff;padding:10px 22px;border-radius:50px;font:700 14px var(--sans);color:var(--text);cursor:pointer;transition:all .3s}
.filters button:hover{border-color:var(--amber)}.filters button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.note-band{display:flex;gap:16px;align-items:flex-start;background:var(--sand2);border:1px solid var(--line);border-left:5px solid var(--amber);border-radius:14px;padding:20px 24px}
.note-band i{color:var(--ember);font-size:22px;margin-top:3px}.note-band p{margin:0}.note-band a{color:var(--ember);font-weight:700}
.prods .pcard{background:rgba(255,255,255,.04);backdrop-filter:blur(6px)}

/* AFS viewer */
.scale{background:var(--paper)}
.afs-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 22px}
.afs-tabs button{border:2px solid var(--line);background:#fff;padding:11px 20px;border-radius:12px;font:700 15px var(--sans);cursor:pointer;transition:all .3s}
.afs-tabs button:hover{border-color:var(--amber)}.afs-tabs button.on{background:var(--ink);color:var(--amber2);border-color:var(--ink);transform:translateY(-2px)}
.afs-meter{display:flex;align-items:center;gap:14px;font:700 12px var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--soft)}
.afs-track{flex:1;height:8px;border-radius:8px;background:linear-gradient(90deg,#C99B5C,#F2E2BC);position:relative}
.afs-track i{position:absolute;top:50%;left:0;width:22px;height:22px;margin:-11px 0 0 -11px;border-radius:50%;background:var(--ink);border:4px solid var(--amber);transition:left .6s cubic-bezier(.2,.8,.2,1)}
.afs-view{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--sh);border:8px solid var(--ink);background:var(--ink)}
.afs-view canvas{display:block;width:100%;height:auto}
.afs-lab{position:absolute;left:18px;bottom:18px;background:var(--amber);color:var(--ink);font:800 15px var(--disp);padding:8px 16px;border-radius:50px}

/* applications */
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.app{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 24px;text-align:center;transition:transform .4s,background .4s,box-shadow .4s}
.app span{display:grid;place-items:center;width:68px;height:68px;margin:0 auto 18px;border-radius:20px;background:linear-gradient(135deg,var(--sand),var(--sand2));color:var(--ember);font-size:26px;transition:all .4s}
.app h3{font-size:18px}
.app:hover{transform:translateY(-8px) rotate(-.6deg);background:var(--ink);box-shadow:var(--sh)}.app:hover h3{color:#fff}.app:hover span{background:var(--amber);color:var(--ink);transform:rotate(-8deg) scale(1.08)}
.apps-sm .app{padding:22px 16px}.apps-sm .app span{width:56px;height:56px;font-size:21px}.apps-sm h3{font-size:16px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:18px}
.stat{text-align:center;padding:34px 16px;border:1px solid rgba(255,255,255,.12);border-radius:var(--r);background:rgba(255,255,255,.04);backdrop-filter:blur(6px);transition:transform .4s,border-color .4s}
.stat:hover{transform:translateY(-6px);border-color:var(--amber)}
.stat b{font:800 clamp(38px,4.6vw,60px) var(--disp);color:var(--amber2);line-height:1}
.stat em{font:700 15px var(--disp);font-style:normal;color:var(--ice);margin-left:6px;letter-spacing:.06em}
.stat span{display:block;margin-top:10px;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#9FB0CC}

/* process flow */
.flow{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:f;position:relative}
.flow::before{content:"";position:absolute;left:10%;right:10%;top:41px;height:2px;background:repeating-linear-gradient(90deg,var(--amber) 0 10px,transparent 10px 20px)}
.flow li{text-align:center;position:relative;padding:0 6px}
.flow li>span{display:grid;place-items:center;width:84px;height:84px;margin:0 auto 20px;border-radius:50%;background:var(--ink);color:var(--amber2);font-size:28px;border:5px solid var(--paper);box-shadow:0 0 0 2px var(--amber);transition:transform .4s,background .4s}
.flow li:hover>span{transform:scale(1.1) rotate(-6deg);background:var(--amber);color:var(--ink)}
.flow h4{font-size:18px;margin-bottom:6px}.flow p{font-size:14.5px;color:var(--soft);margin:0}

/* why / pillars / steps / facilities */
.why-g{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.why-i{background:#fff;border-radius:var(--r);padding:30px 26px;border:1px solid var(--line);position:relative;overflow:hidden;transition:transform .4s,box-shadow .4s}
.why-i::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:linear-gradient(90deg,var(--ice),var(--amber));transform:scaleX(0);transform-origin:left;transition:transform .5s}
.why-i:hover{transform:translateY(-8px);box-shadow:var(--sh)}.why-i:hover::before{transform:scaleX(1)}
.why-i i{font-size:30px;color:var(--ember);margin-bottom:18px}.why-i h4{font-size:19px;margin-bottom:8px}.why-i p{color:var(--soft);font-size:15px;margin:0}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pillar{padding:36px 32px;border-radius:var(--r);background:var(--ink);color:#B7C3DA;position:relative;overflow:hidden;transition:transform .4s}
.pillar:hover{transform:translateY(-8px)}
.pillar b{position:absolute;right:20px;top:2px;font:800 96px var(--disp);color:transparent;-webkit-text-stroke:1.5px rgba(255,193,94,.35)}
.pillar h3{color:var(--amber2);font-size:28px;margin-bottom:12px;position:relative}.pillar p{margin:0;position:relative}
.cred{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cred>div{padding:26px;border-radius:var(--r);border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04)}
.cred small{display:block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ice);margin-bottom:6px}.cred b{font:700 19px var(--disp);color:#fff}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 26px;transition:transform .4s,box-shadow .4s}
.step:hover{transform:translateY(-8px);box-shadow:var(--sh)}
.step>span{display:grid;place-items:center;width:62px;height:62px;border-radius:18px;background:var(--ink);color:var(--amber2);font-size:24px;margin-bottom:20px}
.step h4{font-size:19px;margin-bottom:8px}.step p{color:var(--soft);font-size:15px;margin:0}
.fac{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.fac-i{display:flex;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 26px;transition:transform .4s,border-color .4s}
.fac-i:hover{transform:translateX(8px);border-color:var(--amber)}
.fac-i i{display:grid;place-items:center;flex:none;width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,var(--amber2),var(--ember));color:var(--ink);font-size:22px}
.fac-i small{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--soft)}.fac-i b{font:700 18px var(--disp)}

/* product detail */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,70px);align-items:start}
.pd-img{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--sh);background:var(--ink)}.pd-img img{width:100%;aspect-ratio:8/7;object-fit:cover}
.spec{width:100%;border-collapse:collapse;margin:24px 0 28px;font-size:15px}
.spec th,.spec td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}.spec th{width:38%;color:var(--soft);font-weight:600;background:var(--sand2)}.spec td{font-weight:700}
.spec tr:first-child th{border-top-left-radius:10px}
.pd-btns{display:flex;flex-wrap:wrap;gap:14px}

/* FAQ */
.faq{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 26px;transition:border-color .3s,box-shadow .3s}
.faq details[open]{border-color:var(--amber);box-shadow:0 14px 34px rgba(11,18,32,.08)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 0;font:700 17.5px var(--disp)}
.faq summary::-webkit-details-marker{display:none}.faq summary i{color:var(--ember);transition:transform .35s}
.faq details[open] summary i{transform:rotate(135deg)}.faq p{color:var(--soft);padding-bottom:22px;margin:0}

/* CTA band */
.cta-band{background:radial-gradient(700px 320px at 90% 50%,rgba(242,159,45,.35),transparent 70%),linear-gradient(120deg,var(--ink),#16305a);color:#fff;padding:clamp(54px,7vw,84px) 0;overflow:hidden}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(28px,3.6vw,44px);margin-bottom:10px}.cta-band p{color:#B7C3DA;max-width:620px;margin:0}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap}

/* contact */
.ct{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:stretch}
.ct-info{background:linear-gradient(160deg,var(--ink),#16305a);color:#C7D1E4;border-radius:28px;padding:clamp(28px,4vw,46px);position:relative;overflow:hidden}
.ct-info::after{content:"";position:absolute;right:-90px;bottom:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(242,159,45,.4),transparent 65%)}
.ct-info h3{color:#fff;font-size:30px;margin-bottom:8px}.ct-sub{color:#9FB0CC;margin-bottom:28px}
.ct-row{display:flex;gap:16px;margin-bottom:22px;position:relative;z-index:1}
.ct-row>i{flex:none;display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:rgba(255,193,94,.14);color:var(--amber2)}
.ct-row small{display:block;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ice)}.ct-row a{text-decoration:none;color:#fff;word-break:break-word}.ct-row a:hover{color:var(--amber2)}
.ct-info .btn{position:relative;z-index:1;margin-top:8px}
.ct-form{background:#fff;border:1px solid var(--line);border-radius:28px;padding:clamp(26px,4vw,44px);box-shadow:var(--sh)}
.ct-form h3{font-size:28px;margin-bottom:22px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.fgrid .full{grid-column:1/-1}
label{display:block;font:700 13px var(--sans);margin-bottom:7px;color:var(--ink)}
input,select,textarea{width:100%;font:500 15px var(--sans);padding:14px 16px;border:2px solid var(--line);border-radius:12px;background:var(--paper);color:var(--text);transition:border-color .25s,box-shadow .25s,background .25s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--amber);background:#fff;box-shadow:0 0 0 4px rgba(242,159,45,.18)}
textarea{min-height:130px;resize:vertical}
#formMsg{margin-bottom:14px;border-radius:12px;font-weight:600}#formMsg.ok,#formMsg.err{padding:14px 18px}
#formMsg.ok{background:#E4F6EA;color:#14653A}#formMsg.err{background:#FDE7E3;color:#9A2A18}
.map{margin-top:28px;border-radius:28px;overflow:hidden;box-shadow:var(--sh);border:6px solid var(--ink)}.map iframe{width:100%;height:400px;border:0;display:block}

/* footer */
.foot{background:#070C18;color:#9FB0CC;padding:76px 0 0}
.foot-grid{display:grid;grid-template-columns:1.3fr .8fr 1.2fr 1.3fr;gap:44px}
.foot h5{color:#fff;font-size:17px;margin-bottom:20px;position:relative;padding-bottom:12px}.foot h5::after{content:"";position:absolute;left:0;bottom:0;width:34px;height:3px;border-radius:3px;background:var(--amber)}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:11px}.foot a{text-decoration:none;transition:color .25s}.foot a:hover{color:var(--amber2)}
.foot-about{margin:18px 0}.foot-tag{display:inline-block;font:700 12px var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--amber2);border:1px solid rgba(255,193,94,.4);padding:8px 14px;border-radius:50px}
.fc li{display:flex;gap:12px}.fc i{color:var(--amber);margin-top:6px;width:16px}
.foot-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:56px;padding:24px 0;border-top:1px solid rgba(255,255,255,.1);font-size:14px}
.wa-fab{position:fixed;right:22px;bottom:22px;z-index:90;width:58px;height:58px;display:grid;place-items:center;border-radius:50%;background:#25D366;color:#fff;font-size:30px;text-decoration:none;box-shadow:0 10px 26px rgba(37,211,102,.45);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.55)}70%,100%{box-shadow:0 0 0 22px rgba(37,211,102,0)}}
.to-top{position:fixed;right:30px;bottom:94px;z-index:90;width:44px;height:44px;border-radius:50%;border:0;background:var(--ink);color:var(--amber2);cursor:pointer;opacity:0;transform:translateY(14px);pointer-events:none;transition:all .35s}.to-top.on{opacity:1;transform:none;pointer-events:auto}

/* responsive */
@media(max-width:1100px){.pgrid{grid-template-columns:repeat(2,1fr)}.apps,.why-g,.steps{grid-template-columns:repeat(2,1fr)}.foot-grid{grid-template-columns:1fr 1fr}.flow{grid-template-columns:repeat(3,1fr);row-gap:34px}.flow::before{display:none}.menu .menu-call{display:none}}
@media(max-width:900px){
  .burger{display:block}
  .menu{position:fixed;top:0;right:0;bottom:0;width:min(330px,86vw);flex-direction:column;align-items:flex-start;gap:4px;padding:96px 26px 30px;background:var(--ink);transform:translateX(105%);transition:transform .45s cubic-bezier(.2,.8,.2,1);box-shadow:-20px 0 60px rgba(0,0,0,.4)}
  .menu.on{transform:none}.menu>a:not(.btn){width:100%;font-size:18px;padding:13px 4px;border-bottom:1px solid rgba(255,255,255,.08)}.menu>a:not(.btn)::after{display:none}
  .menu .menu-call{display:block;margin:12px 0 0}.menu-cta{margin:14px 0 0;width:100%}
  .burger{position:relative;z-index:120}
  .two,.pd,.ct{grid-template-columns:1fr}.ah-art{min-height:420px;max-width:520px}
  .pillars,.cred{grid-template-columns:1fr}.fac{grid-template-columns:1fr}
  .slide-shade{background:linear-gradient(0deg,rgba(7,12,24,.92) 0%,rgba(7,12,24,.78) 55%,rgba(7,12,24,.45))}
  .slide-bg{background-position:68% center}
  .hero-arrow{display:none}.htab-t{display:none}.htab-n{display:none}.hero-tabs{padding-bottom:20px}
  .slide-copy{padding-bottom:110px}
}
@media(max-width:600px){
  .pgrid,.pgrid-3,.steps,.fgrid{grid-template-columns:1fr}.apps,.why-g{grid-template-columns:1fr 1fr;gap:12px}.app{padding:22px 12px}.why-i{padding:22px 16px}
  .flow{grid-template-columns:1fr 1fr}.foot-grid{grid-template-columns:1fr}.slide-facts{gap:20px;flex-wrap:wrap}
  .slide-btns .btn{padding:13px 20px}.brand{font-size:17px}.brand img{width:40px;height:40px}.nav-in{height:60px}
  .hero{height:clamp(680px,100svh,860px)}.ah-art{min-height:360px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.js .reveal{opacity:1;transform:none}}