/* ============================================================
   SHREE SATGURU ENTERPRISES — Design tokens
   Palette:  Charcoal #1C1E1F | Steel plate #26292B | Hazard #F4B400
             Rust primer #C1440E | Paper #F2EEE6 | Steel text #B8BEC2
   Type:     Display — 'Oswald' (condensed industrial signage)
             Body    — 'Inter'
             Utility — 'IBM Plex Mono' (SKU / spec / price labels)
   Signature: tape-measure rule divider with tick marks + numerals
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --charcoal:#1C1E1F;
  --steel-plate:#26292B;
  --steel-plate-2:#2F3234;
  --hazard:#F4B400;
  --hazard-dim:#B98600;
  --rust:#C1440E;
  --rust-bright:#E0540F;
  --paper:#F2EEE6;
  --steel-text:#B8BEC2;
  --steel-text-dim:#82898D;
  --line:#3A3D3F;
  --success:#4C9A5E;
  --danger:#D14343;

  --display:'Oswald', sans-serif;
  --body:'Inter', sans-serif;
  --mono:'IBM Plex Mono', monospace;

  --radius:2px;
  --container:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
}

body{
  margin:0;
  background:var(--charcoal);
  color:var(--paper);
  font-family:var(--body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:var(--display);
  text-transform:uppercase;
  letter-spacing:0.02em;
  margin:0 0 .4em;
  color:var(--paper);
  font-weight:600;
}

a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
button{font-family:var(--body); cursor:pointer;}

:focus-visible{
  outline:3px solid var(--hazard);
  outline-offset:2px;
}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

.mono{font-family:var(--mono); letter-spacing:0.03em;}

.eyebrow{
  font-family:var(--mono);
  font-size:0.78rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--hazard);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:'';
  width:22px; height:2px;
  background:var(--hazard);
  display:inline-block;
}

/* ---------- Tape-measure divider (signature element) ---------- */
.tape-rule{
  position:relative;
  height:34px;
  margin:0;
  background-image:
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 8px);
  background-size:40px 100%, 8px 12px;
  background-position:0 0, 0 100%;
  background-repeat:repeat-x;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.tape-rule::after{
  content:'0    10    20    30    40    50    60    70    80    90    100    110    120    130    140    150';
  position:absolute;
  top:2px; left:8px;
  font-family:var(--mono);
  font-size:9px;
  letter-spacing:9.85px;
  color:var(--steel-text-dim);
  white-space:nowrap;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(28,30,31,0.94);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{
  display:flex; flex-direction:column; line-height:1.1;
}
.brand .brand-name{
  font-family:var(--display);
  font-size:1.25rem;
  letter-spacing:0.03em;
  color:var(--paper);
}
.brand .brand-tag{
  font-family:var(--mono);
  font-size:0.66rem;
  color:var(--hazard);
  letter-spacing:0.1em;
  margin-top:2px;
}
.nav-links{
  display:flex; gap:28px;
  font-family:var(--mono);
  font-size:0.8rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
}
.nav-links a{
  color:var(--steel-text);
  transition:color .15s;
  padding-bottom:4px;
  border-bottom:2px solid transparent;
}
.nav-links a:hover{color:var(--hazard); border-color:var(--hazard);}
.header-cta{
  display:flex; gap:10px; align-items:center;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--mono);
  font-size:0.8rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  padding:12px 22px;
  border-radius:var(--radius);
  border:1px solid transparent;
  transition:transform .12s ease, background .15s ease, border-color .15s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-hazard{background:var(--hazard); color:var(--charcoal); font-weight:600;}
.btn-hazard:hover{background:#ffc72c;}
.btn-outline{border-color:var(--line); color:var(--paper);}
.btn-outline:hover{border-color:var(--hazard); color:var(--hazard);}
.btn-rust{background:var(--rust); color:var(--paper); font-weight:600;}
.btn-rust:hover{background:var(--rust-bright);}
.btn-ghost{color:var(--steel-text); border-color:transparent;}
.btn-ghost:hover{color:var(--paper);}
.btn-block{width:100%;}
.btn-sm{padding:8px 14px; font-size:0.72rem;}
.btn[disabled]{opacity:0.5; cursor:not-allowed; transform:none;}

/* ---------- Hero ---------- */
.hero{
  padding:88px 0 64px;
  background:
    radial-gradient(circle at 85% 15%, rgba(244,180,0,0.08), transparent 55%),
    var(--charcoal);
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr 0.85fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:clamp(2.3rem, 4.6vw, 3.6rem);
  line-height:1.05;
  margin-bottom:20px;
}
.hero h1 .accent{color:var(--hazard);}
.hero p.lede{
  font-size:1.08rem;
  color:var(--steel-text);
  max-width:46ch;
  margin-bottom:30px;
}
.hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:34px;}
.hero-stats{
  display:flex; gap:0;
  border-top:1px solid var(--line);
  padding-top:22px;
}
.hero-stat{
  padding-right:28px; margin-right:28px;
  border-right:1px solid var(--line);
}
.hero-stat:last-child{border-right:none;}
.hero-stat .num{
  font-family:var(--display);
  font-size:1.7rem;
  color:var(--hazard);
  display:block;
}
.hero-stat .lbl{
  font-family:var(--mono);
  font-size:0.68rem;
  color:var(--steel-text-dim);
  text-transform:uppercase;
  letter-spacing:0.08em;
}

.hero-panel{
  background:var(--steel-plate);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
}
.hero-panel .panel-title{
  font-family:var(--mono);
  font-size:0.72rem;
  color:var(--hazard);
  text-transform:uppercase;
  letter-spacing:0.1em;
  margin-bottom:16px;
  display:block;
}
.stock-row{
  display:flex; justify-content:space-between; align-items:center;
  padding:12px 0;
  border-bottom:1px solid var(--line);
  font-family:var(--mono);
  font-size:0.85rem;
}
.stock-row:last-child{border-bottom:none;}
.stock-row .dot{
  width:8px; height:8px; border-radius:50%; background:var(--success);
  display:inline-block; margin-right:8px;
}

/* ---------- Sections ---------- */
section{padding:72px 0;}
section.alt{background:var(--steel-plate);}
.section-head{
  display:flex; justify-content:space-between; align-items:flex-end;
  margin-bottom:38px; gap:20px; flex-wrap:wrap;
}
.section-head h2{font-size:clamp(1.6rem,3vw,2.2rem); margin:0;}
.section-head p{color:var(--steel-text); max-width:52ch; margin:0;}

/* ---------- Product / category cards ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:20px;
}
.cat-card{
  background:var(--steel-plate);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  position:relative;
  transition:border-color .15s ease, transform .15s ease;
}
.cat-card:hover{border-color:var(--hazard); transform:translateY(-3px);}
.cat-card .sku{
  font-family:var(--mono);
  font-size:0.68rem;
  color:var(--steel-text-dim);
  margin-bottom:14px;
  display:block;
}
.cat-card h3{font-size:1.15rem; margin-bottom:10px;}
.cat-card p{color:var(--steel-text); font-size:0.92rem; margin:0;}
.cat-card .icon{
  width:44px; height:44px;
  border-radius:var(--radius);
  background:var(--charcoal);
  border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px;
  font-size:1.3rem;
}

/* ---------- Gallery ---------- */
.gallery-tabs{display:flex; gap:10px; margin-bottom:26px;}
.gallery-tab{
  font-family:var(--mono); font-size:0.75rem; text-transform:uppercase;
  letter-spacing:0.06em;
  padding:9px 18px; border:1px solid var(--line); border-radius:var(--radius);
  color:var(--steel-text); background:transparent;
}
.gallery-tab.active{background:var(--hazard); color:var(--charcoal); border-color:var(--hazard); font-weight:600;}
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:14px;
}
.gallery-item{
  position:relative;
  aspect-ratio:1/1;
  background:var(--steel-plate);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  cursor:pointer;
}
.gallery-item img, .gallery-item video{
  width:100%; height:100%; object-fit:cover;
}
.gallery-item .play-badge{
  position:absolute; top:8px; right:8px;
  background:rgba(28,30,31,0.85);
  color:var(--hazard);
  font-size:0.7rem; padding:3px 8px; border-radius:var(--radius);
  font-family:var(--mono);
}
.gallery-empty{
  grid-column:1/-1;
  text-align:center;
  padding:50px 20px;
  border:1px dashed var(--line);
  border-radius:var(--radius);
  color:var(--steel-text-dim);
  font-family:var(--mono);
  font-size:0.85rem;
}

/* Lightbox */
.lightbox{
  position:fixed; inset:0; background:rgba(10,10,10,0.92);
  display:none; align-items:center; justify-content:center;
  z-index:200; padding:30px;
}
.lightbox.open{display:flex;}
.lightbox-content{max-width:900px; max-height:85vh; width:100%;}
.lightbox-content img, .lightbox-content video{
  width:100%; max-height:80vh; object-fit:contain; border-radius:var(--radius);
}
.lightbox-close{
  position:absolute; top:24px; right:32px;
  color:var(--paper); font-size:2rem; background:none; border:none;
}

/* ---------- Contact ---------- */
.contact-grid{
  display:grid; grid-template-columns:0.9fr 1.1fr; gap:40px;
}
.info-list{list-style:none; margin:0; padding:0;}
.info-list li{
  display:flex; gap:14px; padding:16px 0; border-bottom:1px solid var(--line);
}
.info-list .k{
  font-family:var(--mono); font-size:0.7rem; color:var(--steel-text-dim);
  text-transform:uppercase; letter-spacing:0.08em; width:120px; flex-shrink:0; padding-top:2px;
}
.info-list .v{color:var(--paper); font-size:0.95rem;}
.info-list a.v:hover{color:var(--hazard);}

.form-panel{
  background:var(--steel-plate); border:1px solid var(--line); border-radius:var(--radius);
  padding:28px;
}
.field{margin-bottom:16px;}
.field label{
  display:block; font-family:var(--mono); font-size:0.7rem; text-transform:uppercase;
  letter-spacing:0.06em; color:var(--steel-text-dim); margin-bottom:7px;
}
.field input, .field textarea{
  width:100%; background:var(--charcoal); border:1px solid var(--line); border-radius:var(--radius);
  color:var(--paper); padding:11px 13px; font-family:var(--body); font-size:0.94rem;
}
.field input:focus, .field textarea:focus{border-color:var(--hazard); outline:none;}
.field textarea{resize:vertical; min-height:100px;}
.field-error{color:var(--danger); font-size:0.78rem; margin-top:5px; display:none; font-family:var(--mono);}
.field.has-error input, .field.has-error textarea{border-color:var(--danger);}
.field.has-error .field-error{display:block;}
.form-note{font-size:0.78rem; color:var(--success); margin-top:12px; display:none; font-family:var(--mono);}
.form-note.show{display:block;}

/* map */
.map-embed{
  border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
  aspect-ratio:16/8; margin-top:24px; background:var(--steel-plate);
}
.map-embed iframe{width:100%; height:100%; border:0;}

/* ---------- Footer ---------- */
footer{
  border-top:1px solid var(--line);
  padding:36px 0;
  background:var(--charcoal);
}
.footer-row{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;
}
.footer-row .mono{color:var(--steel-text-dim); font-size:0.76rem;}
.footer-links{display:flex; gap:18px;}
.footer-links a{color:var(--steel-text-dim); font-family:var(--mono); font-size:0.76rem;}
.footer-links a:hover{color:var(--hazard);}

/* ---------- Floating WhatsApp ---------- */
.float-whatsapp{
  position:fixed; bottom:24px; right:24px; z-index:60;
  background:#25D366; color:#fff;
  width:56px; height:56px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:1.5rem; box-shadow:0 6px 18px rgba(0,0,0,0.4);
}

/* ---------- Owner auth pages ---------- */
.auth-shell{
  min-height:100vh;
  display:flex; align-items:center; justify-content:center;
  background:
    radial-gradient(circle at 20% 20%, rgba(244,180,0,0.06), transparent 50%),
    var(--charcoal);
  padding:24px;
}
.auth-card{
  width:100%; max-width:420px;
  background:var(--steel-plate);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:38px 34px;
}
.auth-card .brand-name{
  font-family:var(--display); font-size:1.15rem; text-align:center; display:block; margin-bottom:4px;
}
.auth-card .eyebrow{justify-content:center; margin-bottom:22px;}
.auth-card .eyebrow::before{display:none;}
.auth-card h1{text-align:center; font-size:1.5rem; margin-bottom:26px;}
.pw-field{position:relative;}
.pw-toggle{
  position:absolute; right:10px; top:50%; transform:translateY(-50%);
  background:none; border:none; color:var(--steel-text-dim);
  font-family:var(--mono); font-size:0.68rem; text-transform:uppercase; letter-spacing:0.05em;
}
.pw-toggle:hover{color:var(--hazard);}
.auth-error{
  background:rgba(209,67,67,0.1); border:1px solid var(--danger); color:#f0a5a5;
  padding:11px 14px; border-radius:var(--radius); font-size:0.85rem; margin-bottom:18px; display:none;
}
.auth-error.show{display:block;}
.auth-foot{text-align:center; margin-top:20px; font-size:0.8rem; color:var(--steel-text-dim);}
.auth-foot a{color:var(--hazard);}
.spinner{
  width:16px; height:16px; border:2px solid rgba(28,30,31,0.3); border-top-color:var(--charcoal);
  border-radius:50%; animation:spin .7s linear infinite; display:inline-block;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- Dashboard ---------- */
.dash-shell{min-height:100vh; background:var(--charcoal);}
.dash-header{
  background:var(--steel-plate); border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:40;
}
.dash-header .container{display:flex; justify-content:space-between; align-items:center; height:72px;}
.dash-main{padding:44px 0 80px;}
.dash-welcome{margin-bottom:34px;}
.dash-welcome p{color:var(--steel-text); margin:0;}

.dash-grid{
  display:grid; grid-template-columns:repeat(2, 1fr); gap:20px; margin-bottom:44px;
}
.dash-card{
  background:var(--steel-plate); border:1px solid var(--line); border-radius:var(--radius);
  padding:28px;
}
.dash-card h3{display:flex; align-items:center; gap:10px; font-size:1.15rem; margin-bottom:8px;}
.dash-card > p.hint{color:var(--steel-text-dim); font-size:0.85rem; margin-bottom:18px;}

.upload-drop{
  border:1px dashed var(--line); border-radius:var(--radius);
  padding:22px; text-align:center; margin-bottom:14px; background:var(--charcoal);
}
.upload-preview{
  margin-top:14px; max-height:180px; overflow:hidden; border-radius:var(--radius);
  border:1px solid var(--line); display:none;
}
.upload-preview.show{display:block;}
.upload-preview img, .upload-preview video{width:100%; max-height:180px; object-fit:cover;}
.progress-track{
  height:6px; background:var(--charcoal); border-radius:4px; overflow:hidden; margin-top:12px; display:none;
}
.progress-track.show{display:block;}
.progress-bar{height:100%; width:0%; background:var(--hazard); transition:width .2s ease;}
.upload-msg{font-size:0.82rem; margin-top:10px; font-family:var(--mono); display:none;}
.upload-msg.show{display:block;}
.upload-msg.ok{color:var(--success);}
.upload-msg.err{color:var(--danger);}

.manage-section{margin-bottom:44px;}
.manage-grid{
  display:grid; grid-template-columns:repeat(4, 1fr); gap:14px; margin-top:18px;
}
.manage-item{
  position:relative; aspect-ratio:1/1; border-radius:var(--radius); overflow:hidden;
  border:1px solid var(--line); background:var(--steel-plate);
}
.manage-item img, .manage-item video{width:100%; height:100%; object-fit:cover;}
.manage-item .del-btn{
  position:absolute; top:6px; right:6px;
  background:rgba(209,67,67,0.9); color:#fff; border:none; border-radius:var(--radius);
  width:28px; height:28px; font-size:0.9rem; line-height:1;
}
.manage-empty{
  grid-column:1/-1; padding:30px; text-align:center; color:var(--steel-text-dim);
  font-family:var(--mono); font-size:0.82rem; border:1px dashed var(--line); border-radius:var(--radius);
}

.location-form{display:grid; grid-template-columns:1fr auto; gap:12px; align-items:end;}
.location-form .field{margin-bottom:0;}
.location-current{
  margin-top:14px; font-family:var(--mono); font-size:0.8rem; color:var(--steel-text-dim);
  word-break:break-all;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero-grid, .contact-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .gallery-grid, .manage-grid{grid-template-columns:repeat(2,1fr);}
  .dash-grid{grid-template-columns:1fr;}
  .nav-links{display:none;}
  .location-form{grid-template-columns:1fr;}
}
@media (max-width: 560px){
  .card-grid{grid-template-columns:1fr;}
  .gallery-grid, .manage-grid{grid-template-columns:repeat(2,1fr);}
  .hero-actions{flex-direction:column; align-items:stretch;}
  .hero-stats{flex-wrap:wrap; gap:14px;}
  .hero-stat{padding-right:14px; margin-right:14px;}
}