/* ==========================================================================
   Zakirs Global Salt and Minerals (Private) Limited
   ==========================================================================
   Base design: Montserrat, alternating grey bands, 1140px container,
   centred section headings, black pill buttons, bordered image tiles.
   Refinements: larger hero with overlay, wider vertical rhythm, a salt-pink
   accent, richer product tiles, structured footer.
   ========================================================================== */

:root{
  --band-a:#EAEAEA;
  --band-b:#E2E1E1;
  --band-c:#F4F3F2;      /* lighter band for breathing room */
  --head:#33353D;
  --text:#2E3138;
  --muted:#6B6F78;
  --sub:#7A7A7A;
  --line:#CFCFCF;
  --hair:#DCDCDC;
  --navy:#2A3050;        /* logo navy */
  --accent:#B5674C;      /* salt pink, used sparingly */
  --accent-soft:#EBD5CB;
  --btn:#16181D;
  --container:1140px;
  --shadow:0 8px 28px rgba(24,26,32,.10);
  --shadow-lg:0 18px 44px rgba(24,26,32,.16);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Montserrat',sans-serif;font-size:15px;line-height:1.72;
     color:var(--text);background:var(--band-a);-webkit-font-smoothing:antialiased;
     text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:10px 16px;z-index:200;border:2px solid var(--navy)}
:focus-visible{outline:2px solid var(--navy);outline-offset:3px}

h1,h2,h3,h4{font-family:'Montserrat',sans-serif;color:var(--head);font-weight:700;
  letter-spacing:-.01em;line-height:1.25}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
strong{font-weight:600;color:var(--head)}

/* Section heading with a short accent rule beneath */
h2.sec{font-size:26px;text-align:center;margin-bottom:14px}
h1.page-title{font-size:28px;text-align:center;margin-bottom:10px}
.rule{width:46px;height:2px;background:var(--accent);margin:0 auto 18px}
.rule.left{margin-left:0}

.band-a{background:var(--band-a)}
.band-b{background:var(--band-b)}
.band-c{background:var(--band-c)}
.sec-pad{padding:62px 0}
.sec-pad-sm{padding:44px 0}
.title-band{padding:30px 0 26px}

/* ------------------------------------------------------------- header --- */
.site-header{background:var(--band-a);position:sticky;top:0;z-index:80;
  border-bottom:1px solid transparent;transition:box-shadow .25s,border-color .25s,background .25s}
.site-header.stuck{box-shadow:0 2px 14px rgba(24,26,32,.10);border-bottom-color:var(--hair);
  background:rgba(234,234,234,.94);backdrop-filter:saturate(160%) blur(8px)}
.hdr{display:flex;align-items:center;justify-content:space-between;height:78px;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:38px;height:auto;flex:none}
.brand .txt strong{display:block;font-size:17px;font-weight:700;color:var(--head);
  line-height:1.15;letter-spacing:.005em}
.brand .txt span{display:block;font-size:8.5px;letter-spacing:.11em;color:var(--sub);
  margin-top:3px;text-transform:uppercase;font-weight:600}

.nav{display:flex;align-items:center;gap:30px}
.nav a,.nav .dd>button{font-family:'Montserrat',sans-serif;font-size:13px;font-weight:500;
  color:#4A4D55;background:none;border:0;cursor:pointer;padding:6px 0;position:relative;
  transition:color .2s;letter-spacing:.01em}
.nav a::after,.nav .dd>button::after{content:'';position:absolute;left:0;right:100%;bottom:0;
  height:2px;background:var(--accent);transition:right .28s cubic-bezier(.4,0,.2,1)}
.nav a:hover::after,.nav .dd:hover>button::after,
.nav a.active::after,.nav .dd.current>button::after{right:0}
.nav a:hover,.nav .dd:hover>button,.nav a.active,.nav .dd.current>button{color:var(--head)}
.nav a.active,.nav .dd.current>button{font-weight:600}

.dd{position:relative}
.dd>button{display:flex;align-items:center;gap:6px}
.dd>button svg{width:8px;transition:transform .25s}
.dd:hover>button svg{transform:rotate(180deg)}
.dd-menu{position:absolute;top:100%;left:-16px;padding-top:14px;opacity:0;visibility:hidden;
  transform:translateY(-6px);transition:.2s;z-index:90}
.dd:hover .dd-menu,.dd:focus-within .dd-menu{opacity:1;visibility:visible;transform:none}
.dd-menu ul{list-style:none;background:#fff;border:1px solid var(--hair);min-width:220px;
  padding:6px;box-shadow:var(--shadow)}
.dd-menu a{display:block;padding:10px 14px;font-size:13px;transition:background .16s,color .16s}
.dd-menu a::after{display:none}
.dd-menu a:hover{background:var(--band-c);color:var(--navy)}

.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:23px;height:2px;background:#4A4D55;transition:.25s}

/* --------------------------------------------------------------- hero --- */
.hero{position:relative;height:462px;overflow:hidden;background:#12172B}
.hero picture,.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  object-position:center 38%}
.hero::after{content:'';position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(11,15,28,.93) 0%,rgba(11,15,28,.84) 34%,rgba(11,15,28,.54) 58%,
                           rgba(11,15,28,.28) 80%,rgba(11,15,28,.44) 100%),
    linear-gradient(180deg,rgba(11,15,28,.34) 0%,rgba(11,15,28,0) 30%,rgba(11,15,28,.30) 100%)}
.hero-inner{position:relative;z-index:2;height:100%;display:flex;align-items:center}
.hero-inner>.container{width:100%}   /* flex item must fill, or auto margins re-centre it */
.hero-copy{max-width:600px}
.hero .eyebrow{display:block;font-size:10.5px;font-weight:600;letter-spacing:.2em;
  text-transform:uppercase;color:#E3B7A5;margin-bottom:16px}
.hero h1{font-size:clamp(28px,3.6vw,42px);color:#fff;line-height:1.16;margin-bottom:16px;
  letter-spacing:-.015em;text-shadow:0 2px 18px rgba(0,0,0,.3)}
.hero p{font-size:15.5px;color:rgba(255,255,255,.82);max-width:490px;margin-bottom:26px;line-height:1.7}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}

/* ------------------------------------------------------------ buttons --- */
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--btn);
  color:#fff;font-family:'Montserrat',sans-serif;font-size:12.5px;font-weight:600;
  letter-spacing:.04em;padding:14px 32px;border-radius:40px;border:1px solid var(--btn);
  cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s,color .22s}
.btn:hover{background:#2C3040;border-color:#2C3040;transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-light:hover{background:#fff;border-color:#fff;color:var(--head)}
.btn-wrap{text-align:center;margin-top:26px}

/* -------------------------------------------------------- about block --- */
.sub{text-align:center;color:var(--muted);font-size:13px;letter-spacing:.14em;
  text-transform:uppercase;font-weight:600;margin-bottom:16px}
.centered-copy{text-align:center;max-width:760px;margin:0 auto;font-size:15.5px;color:var(--muted)}
.centered-copy strong{color:var(--head)}

/* -------------------------------------------------------- trust strip --- */
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;margin-top:44px;
  background:var(--hair);border:1px solid var(--hair)}
.trust div{background:var(--band-a);padding:26px 22px;text-align:center}
.trust h3{font-size:12px;letter-spacing:.13em;text-transform:uppercase;margin-bottom:8px;color:var(--head)}
.trust p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.65}

/* ------------------------------------------------------- product grid --- */
.prod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:38px 34px;
  margin:34px auto 0;max-width:860px}
.prod-tile{display:block;text-align:center;background:#fff;border:1px solid var(--hair);
  padding:18px 18px 24px;transition:transform .28s cubic-bezier(.4,0,.2,1),box-shadow .28s,border-color .28s}
.prod-tile:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.prod-tile .frame{display:block;width:100%;aspect-ratio:1/1;overflow:hidden;background:var(--band-c)}
.prod-tile .frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.prod-tile:hover .frame img{transform:scale(1.05)}
.prod-tile .cap{display:block;margin-top:18px;font-size:15px;font-weight:700;color:var(--head)}
.prod-tile .say{display:block;margin-top:7px;font-size:12.5px;color:var(--muted);line-height:1.6}
.prod-tile .go{display:inline-block;margin-top:13px;font-size:11px;font-weight:600;
  letter-spacing:.13em;text-transform:uppercase;color:var(--accent)}
.prod-tile .go::after{content:' →';transition:margin .25s}
.prod-tile:hover .go::after{margin-left:4px}

/* ----------------------------------------------------- product detail --- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:780px;
  margin:0 auto 40px}
.gallery .frame{display:block;aspect-ratio:1/1;overflow:hidden;background:#fff;
  border:1px solid var(--hair);padding:6px}
.gallery .frame img{width:100%;height:100%;object-fit:cover}
.detail{max-width:720px;margin:0 auto}
.detail p{color:var(--muted)}
.detail>ul{list-style:none;margin:0 0 26px}
.detail>ul li{position:relative;padding-left:22px;margin-bottom:9px;font-size:14.5px;color:var(--text)}
.detail>ul li::before{content:'';position:absolute;left:0;top:9px;width:9px;height:5px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.detail h3{font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin:30px 0 14px;
  color:var(--head);padding-bottom:9px;border-bottom:1px solid var(--hair)}

/* ------------------------------------------------------- contact form --- */
.form{max-width:520px;margin:32px auto 0}
.form .fields{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form .full{grid-column:1/-1}
.form label{display:block;font-size:10.5px;font-weight:600;letter-spacing:.11em;
  text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.form input,.form textarea{width:100%;font-family:'Montserrat',sans-serif;font-size:14px;
  color:var(--text);background:#fff;border:1px solid var(--line);padding:12px 14px;
  margin-bottom:18px;border-radius:3px;transition:border-color .2s,box-shadow .2s}
.form textarea{min-height:130px;resize:vertical}
.form input:focus,.form textarea:focus{outline:0;border-color:var(--navy);
  box-shadow:0 0 0 3px rgba(42,48,80,.10)}
.form input::placeholder,.form textarea::placeholder{color:#A7AAB1}
.hp{position:absolute!important;left:-9999px!important}
.form-note{font-size:11.5px;color:var(--muted);text-align:center;margin-top:16px;line-height:1.6}
.alert{background:#E2EFE6;border:1px solid #B5D6C0;color:#255B34;padding:13px 16px;
  font-size:13px;margin-bottom:18px;text-align:center;border-radius:3px}
.alert.err{background:#F6E3E3;border-color:#DDB4B4;color:#8A2B2B}

/* --------------------------------------------------------- contact page --- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.cinfo{list-style:none}
.cinfo li{display:flex;gap:15px;padding:20px 0;border-bottom:1px solid var(--hair)}
.cinfo li:first-child{padding-top:0}
.cinfo li:last-child{border-bottom:0}
.cinfo .ico{width:34px;height:34px;flex:none;border-radius:50%;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center}
.cinfo .ico svg{width:15px;color:var(--accent)}
.cinfo strong{display:block;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);font-weight:600;margin-bottom:5px}
.cinfo span,.cinfo a{font-size:14.5px;color:var(--text)}
.cinfo a:hover{color:var(--accent)}

/* -------------------------------------------------------------- footer --- */
.site-footer{background:#20232C;color:rgba(255,255,255,.62);padding:56px 0 0;font-size:13.5px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;padding-bottom:44px}
.foot-brand img{width:186px;margin-bottom:18px}
.foot-brand p{font-size:13.5px;line-height:1.7;max-width:34ch;margin:0}
.site-footer h4{font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:#fff;
  margin-bottom:18px;font-weight:600}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:10px;line-height:1.6}
.site-footer a{transition:color .2s}
.site-footer a:hover{color:#E3B7A5}
.certs-row{border-top:1px solid rgba(255,255,255,.10);padding:26px 0;
  display:flex;align-items:center;justify-content:center;gap:56px;flex-wrap:wrap}
.certs-row img{height:54px;width:auto;background:#fff;padding:9px 12px;border-radius:3px}
.copyright{background:#191C24;padding:18px 0;text-align:center;font-size:11.5px;
  color:rgba(255,255,255,.42)}
.copyright a:hover{color:#E3B7A5}

/* -------------------------------------------------------------- reveal --- */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.22,.8,.3,1),
  transform .7s cubic-bezier(.22,.8,.3,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto!important}
}

/* ---------------------------------------------------------- responsive --- */
@media(max-width:980px){
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
  .foot-brand{grid-column:1/-1}
  .trust{grid-template-columns:1fr;gap:1px}
}
@media(max-width:760px){
  body{font-size:14.5px}
  .burger{display:flex}
  .nav{display:none;position:absolute;left:0;right:0;top:78px;background:#fff;
    border-bottom:1px solid var(--hair);flex-direction:column;align-items:stretch;gap:0;
    padding:8px 24px 18px;z-index:90;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a,.nav .dd>button{padding:14px 0;border-bottom:1px solid #ECECEC;width:100%;
    text-align:left;font-size:14.5px}
  .nav a::after,.nav .dd>button::after{display:none}
  .dd-menu{position:static;opacity:1;visibility:visible;transform:none;padding:0;display:none}
  .dd.open .dd-menu{display:block}
  .dd-menu ul{border:0;box-shadow:none;padding:2px 0 8px 14px}
  .dd:hover>button svg{transform:none}
  .dd.open>button svg{transform:rotate(180deg)}

  .hero{height:400px}
  .hero::after{background:linear-gradient(180deg,rgba(14,18,34,.62) 0%,rgba(14,18,34,.80) 100%)}
  .hero-copy{max-width:none;text-align:center}
  .hero p{margin-left:auto;margin-right:auto}
  .hero-cta{justify-content:center}

  .sec-pad{padding:46px 0}
  .sec-pad-sm{padding:34px 0}
  .prod-grid{grid-template-columns:1fr;gap:22px;max-width:400px}
  .gallery{grid-template-columns:1fr 1fr;gap:14px;max-width:400px}
  .gallery .frame:nth-child(3){grid-column:1/-1;max-width:60%;margin:0 auto}
  .form .fields{grid-template-columns:1fr}
  .certs-row{gap:30px}
  .certs-row img{height:44px}
}
@media(max-width:420px){
  .hero{height:370px}
  h2.sec{font-size:22px}
  h1.page-title{font-size:23px}
}