/* Nilkanth Industries - static site styles
   Palette from the logo, brochure and visiting card:
   red #dd1b1c, brochure maroon #a31b22, charcoal #232325, white. */
:root{
  --red:#dd1b1c;--red-d:#a31b22;--ink:#1c1c1e;--char:#232325;--mist:#f4f4f4;--line:#e2e2e2;
  --grad:linear-gradient(100deg,#e3202a 0%,#a31b22 100%);
  --stripes:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 18'%3E%3Cpath d='M7 0h5L5 18H0zM15 0h5l-7 18H8z' fill='%23dd1b1c'/%3E%3Cpath d='M23 0h25L41 18H16z' fill='%23a31b22'/%3E%3C/svg%3E");
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font:400 17px/1.6 Barlow,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#fff}
h1,h2,h3,.logo{font-family:"Barlow Semi Condensed",Barlow,sans-serif;line-height:1.1;font-weight:700}
p{margin-top:12px;max-width:62ch}
a{color:inherit}
img{max-width:100%;height:auto}
address{font-style:normal}
.w{max-width:1120px;margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:10}
.skip:focus{left:8px;top:8px}

/* top bar + header */
.top{background:var(--char);color:#fff;font-size:15px}
.top .w{display:flex;justify-content:flex-end;gap:22px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
header .w{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:26px;font-weight:800;letter-spacing:.02em;text-transform:uppercase}
.logo img{display:block}
.logo b{color:var(--red);font-weight:800}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav a{padding:8px 14px;text-decoration:none;font-weight:600}
nav a:hover{color:var(--red)}
nav a[aria-current]{color:var(--red);box-shadow:inset 0 -3px var(--red)}

/* buttons: slanted edge like the brochure */
.btn{display:inline-block;background:var(--red);color:#fff;padding:12px 30px 12px 24px;font:600 17px Barlow,sans-serif;text-decoration:none;border:0;cursor:pointer;margin-top:16px;clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%)}
.btn:hover{background:var(--red-d)}
.btn.d{background:var(--ink)}
.btn.d:hover{background:#000}

/* section headings with the brochure's slanted stripes */
.t{font-size:clamp(28px,3.4vw,40px);color:var(--ink)}
.t::after{content:"";display:inline-block;width:48px;height:18px;margin-left:14px;vertical-align:middle;background:var(--stripes) no-repeat center/contain}
h1.t::after{display:none}

/* hero (brochure cover) */
.hero{position:relative;background:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;left:0;top:0;width:min(46vw,540px);height:22px;background:var(--grad);clip-path:polygon(0 0,100% 0,calc(100% - 28px) 100%,0 100%)}
.hero-g{display:grid;grid-template-columns:1fr 1.08fr;gap:32px;align-items:center;padding-top:64px;padding-bottom:56px}
.eyebrow{display:inline-block;font:300 22px/1 Barlow,sans-serif;letter-spacing:.32em;text-transform:uppercase;padding-bottom:12px;border-bottom:2px solid var(--ink);margin-bottom:20px}
.hero h1{font-size:clamp(40px,5.6vw,66px);line-height:.98;text-transform:uppercase;color:var(--red);font-weight:800}
.hero h1 em{display:block;font-style:normal;font-size:1.28em}
.tag{margin-top:22px;font-size:16px;letter-spacing:.14em;text-transform:uppercase;line-height:1.5}
.lead{font-size:19px;margin:18px 0 4px}
.hero-i{position:relative}
.hero-i img{display:block;width:100%;height:auto;aspect-ratio:800/860;object-fit:cover;clip-path:polygon(16% 0,100% 0,100% 100%,0 100%)}
.hero-i::after{content:"";position:absolute;left:-2%;top:0;width:22%;height:46%;background:var(--grad);clip-path:polygon(48% 0,100% 0,48% 100%,0 100%);opacity:.96;pointer-events:none}

/* trust strip (brochure back page / card footer) */
.strip{display:grid;grid-template-columns:1.1fr 1fr;color:#fff;text-transform:uppercase;letter-spacing:.06em;font-size:19px;line-height:1.3}
.strip>div{display:flex;align-items:center;gap:16px;padding-top:22px;padding-bottom:22px}
.s1{background:var(--grad);padding-left:max(20px,calc((100vw - 1120px)/2 + 20px));clip-path:polygon(0 0,100% 0,calc(100% - 44px) 100%,0 100%);z-index:1}
.s2{background:var(--char);margin-left:-30px;padding-left:64px;padding-right:20px;clip-path:polygon(44px 0,100% 0,100% 100%,0 100%)}
.strip svg{flex:none;width:46px;height:46px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.strip span{border-left:2px solid rgba(255,255,255,.75);padding-left:16px}

section{padding:60px 0}
.alt{background:var(--mist)}
.ph{padding:44px 0}

/* temperature chart */
.scale{background:var(--char);color:#fff;padding:30px 28px 22px;margin-top:24px;clip-path:polygon(36px 0,100% 0,100% calc(100% - 36px),calc(100% - 36px) 100%,0 100%,0 36px)}
.scale h3{font-size:26px}
.scale p{font-size:15px;color:#d0d0d0;margin:6px 0 18px}
.row{display:grid;grid-template-columns:210px 1fr;gap:14px;align-items:center;margin:12px 0}
.row a{text-decoration:none;display:flex;justify-content:space-between;gap:10px;font-weight:600;font-size:16px}
.row a:hover b{text-decoration:underline}
.row small{color:#ffb3b4;font-size:14px;font-weight:600;white-space:nowrap}
.track{position:relative;height:22px;background:#3b3b3e}
.track i{position:absolute;top:0;bottom:0;background:var(--grad)}
.axis{display:flex;justify-content:space-between;margin:8px 0 0 224px;font-size:13px;color:#d0d0d0}

/* product cards */
.g{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin-top:28px}
.c{grid-column:span 2;display:flex;flex-direction:column;background:var(--mist);border-top:5px solid var(--red);text-decoration:none;transition:box-shadow .15s}
.c:nth-child(n+4){grid-column:span 3}
.c:hover{box-shadow:0 6px 18px rgba(0,0,0,.14)}
.c img{display:block;width:100%;height:230px;object-fit:contain;mix-blend-mode:multiply;padding:12px 12px 0}
.cb{padding:8px 22px 22px}
.c h3{font-size:24px}
.c p{font-size:16px}
.c small{display:block;margin-top:12px;font-weight:600;color:var(--red);font-size:16px}

/* about + contact box */
.two{display:grid;grid-template-columns:1.3fr 1fr;gap:44px;align-items:start}
.box{background:var(--char);color:#fff;padding:28px;clip-path:polygon(0 0,calc(100% - 30px) 0,100% 30px,100% 100%,0 100%)}
.box h3{font-size:26px;margin-bottom:6px}
.box a:not(.btn){color:#fff;text-decoration:none}
.box a:not(.btn):hover{text-decoration:underline}
.ci{list-style:none;padding:0}
.ci li{display:flex;gap:14px;align-items:center;margin:14px 0}
.ci svg{flex:none;width:44px;height:44px;padding:11px;border-radius:50%;background:var(--red);fill:#fff}
.ci li>span,.ci li>address,.ci li>a{line-height:1.35}
.ci b{color:#ff8f90;text-transform:uppercase;letter-spacing:.04em}
.plant{position:relative;height:340px;overflow:hidden;background:#cfd6dc}
.plant img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 60%}
.plant::before{content:"";position:absolute;left:0;top:0;width:min(46vw,540px);height:22px;background:var(--grad);clip-path:polygon(0 0,100% 0,calc(100% - 28px) 100%,0 100%);z-index:1}
.cta{text-align:left}

/* products page */
.sub{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:20px}
.sub a{font-weight:600;color:var(--red)}
.sh{display:flex;justify-content:space-between;align-items:flex-end;gap:24px}
.sh img{flex:none;width:230px;mix-blend-mode:multiply}
.sh img.wide{width:300px}
.tw{overflow-x:auto;margin-top:18px}
table{border-collapse:collapse;width:100%;min-width:620px}
th{color:var(--red);text-align:left;padding:10px 12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:14px;border-bottom:3px solid var(--red);background:#fff}
td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:.04em}
td.na{color:#6b6b6b}
tbody tr:hover td{background:var(--mist)}
section[id]{scroll-margin-top:8px}

/* contact form */
form{display:grid;gap:14px;max-width:560px}
label{display:grid;gap:4px;font-weight:600}
input,select,textarea{font:inherit;padding:10px;border:1px solid #8a8a8a;background:#fff;width:100%;border-radius:0}

/* footer */
.band{background:var(--grad);color:#fff;clip-path:polygon(0 28px,100% 0,100% 100%,0 100%);padding:84px 0 24px}
.band a{color:#fff}
.band h3{font-size:22px;margin-bottom:6px}
.band .logo{font-size:24px}
.band .logo b{color:#fff}
.band .ci svg{background:#fff;fill:var(--red)}
.band .ci a{text-decoration:none}
.band .ci a:hover{text-decoration:underline}
.band .ci li{margin:10px 0}
.fg{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:30px}
.fl a{display:block;padding:2px 0}
.cp{font-size:14px;margin-top:30px}

@media(max-width:900px){
  .g{grid-template-columns:1fr 1fr}
  .c,.c:nth-child(n+4){grid-column:auto}
  .c:last-child{grid-column:1/-1}
}
@media(max-width:820px){
  .hero-g,.two{grid-template-columns:1fr}
  .hero-g{padding-top:56px;padding-bottom:32px}
  .hero-i img{clip-path:polygon(0 0,100% 0,100% 100%,0 100%);aspect-ratio:4/3}
  .hero-i::after{display:none}
  .strip{grid-template-columns:1fr}
  .s1,.s2{clip-path:none;margin-left:0;padding-left:20px;padding-right:20px}
  .row{grid-template-columns:1fr;gap:6px}
  .axis{margin-left:0}
  .sh{flex-direction:column;align-items:flex-start}
  .sh img,.sh img.wide{width:200px}
  .plant{height:240px}
}
@media(max-width:560px){
  .g{grid-template-columns:1fr}
  .logo{font-size:22px}
  .eyebrow{font-size:17px}
  .top .w{justify-content:flex-start;gap:6px 18px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.c{transition:none}}
.hero .eyebrow{color:var(--ink);font-weight:300}
.logo span{white-space:nowrap}
@media(max-width:560px){nav a{padding:8px 9px}nav{gap:0}}