/* =============================================================================
   RG Tools & Hardware — industrial / engineering theme
   Graphite + steel + the red from the brand card. No photos required.
   ============================================================================= */
:root{
  --bg:#eef1f4;            /* cool light gray page */
  --panel:#ffffff;
  --graphite:#16191d;      /* dark hero / footer */
  --graphite-2:#20262e;
  --ink:#1b1f24;           /* primary text */
  --ink-soft:#5b6571;      /* muted body text */
  --steel:#8a949f;         /* faint text on dark */
  --line:#dce1e7;          /* hairlines */
  --red:#d11f26;           /* brand accent (from card) */
  --red-dark:#a8161c;
  --amber:#f4a300;         /* industrial highlight */
  --white:#ffffff;

  --display:"Archivo", system-ui, sans-serif;
  --sans:"Inter", system-ui, sans-serif;
  --tamil:"Anek Tamil", system-ui, sans-serif;

  --wrap:1180px;
  --r:14px;
  --shadow:0 22px 50px -28px rgba(20,28,38,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body[data-lang="ta"]{font-family:var(--tamil)}
body[data-lang="ta"] .section-title,
body[data-lang="ta"] .hero-title,
body[data-lang="ta"] .brand-text strong{font-family:var(--tamil);font-weight:700}

img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- shared bits ---------- */
.eyebrow{
  font-family:var(--sans);font-weight:700;font-size:.72rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--red);margin-bottom:1rem;
}
body[data-lang="ta"] .eyebrow{letter-spacing:.04em}
.section-title{
  font-family:var(--display);font-weight:800;line-height:1.04;
  font-size:clamp(1.9rem,4.3vw,3.1rem);letter-spacing:-.02em;color:var(--ink);
}
.section-sub{max-width:58ch;color:var(--ink-soft);margin-top:1.05rem;font-size:1.05rem}
.section{padding:clamp(4rem,8vw,7rem) 0}
.section-head{margin-bottom:2.8rem}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--display);font-weight:700;font-size:.95rem;letter-spacing:.01em;
  padding:.85rem 1.5rem;border-radius:10px;cursor:pointer;border:1.5px solid transparent;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .2s,color .2s,border-color .2s;
  white-space:nowrap;
}
body[data-lang="ta"] .btn{font-family:var(--tamil);font-weight:600}
.btn-sm{padding:.55rem 1rem;font-size:.85rem}
.btn-lg{padding:1rem 1.8rem;font-size:1.02rem}
.btn-block{width:100%;padding:1.05rem}
.cta-ico{display:block}

.btn-primary{background:var(--red);color:#fff;box-shadow:0 12px 26px -14px rgba(209,31,38,.8)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(209,31,38,.85)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-whatsapp{background:#1faa59;color:#fff}
.btn-whatsapp:hover{background:#178f4a;transform:translateY(-2px)}

/* ============================= HEADER ============================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  transition:background .35s var(--ease),box-shadow .35s,padding .35s;
  padding:.7rem 0;
}
.site-header.scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line),0 10px 30px -22px rgba(20,28,38,.5)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem}

/* wordmark */
.brand{display:inline-flex;align-items:center;gap:.6rem;flex-shrink:0}
.brand-badge{
  display:grid;place-items:center;width:42px;height:42px;border-radius:9px;flex-shrink:0;
  background:var(--red);color:#fff;font-family:var(--display);font-weight:800;font-size:1.15rem;
  letter-spacing:.02em;box-shadow:0 6px 16px -8px rgba(209,31,38,.8);
}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-family:var(--display);font-weight:800;font-size:1.05rem;letter-spacing:-.01em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:.68rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);margin-top:2px}
/* over the dark hero (header not yet scrolled) */
.site-header:not(.scrolled) .brand-text strong{color:#fff}
.site-header:not(.scrolled) .brand-text em{color:rgba(255,255,255,.7)}

.nav{display:flex;gap:1.9rem}
.nav a{font-family:var(--display);font-weight:600;font-size:.92rem;color:var(--ink);position:relative;transition:color .2s}
.site-header:not(.scrolled) .nav a{color:rgba(255,255,255,.9)}
.nav a::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:2px;background:var(--red);transition:width .28s var(--ease)}
.nav a:hover{color:var(--red)}
.site-header:not(.scrolled) .nav a:hover{color:#fff}
.nav a:hover::after{width:100%}

.header-actions{display:flex;align-items:center;gap:.9rem}
.lang-toggle{
  background:transparent;border:1.5px solid var(--line);color:var(--ink);
  border-radius:999px;padding:.4rem .75rem;font-family:var(--display);font-weight:700;font-size:.82rem;cursor:pointer;
  transition:background .2s,color .2s,border-color .2s;
}
.lang-toggle .lang-sep{opacity:.4;margin:0 .15rem}
.site-header:not(.scrolled) .lang-toggle{color:#fff;border-color:rgba(255,255,255,.4)}
.lang-toggle:hover{background:var(--red);border-color:var(--red);color:#fff}
body[data-lang="en"] .lang-ta,body[data-lang="ta"] .lang-en{opacity:.45}

/* ============================= HERO ============================= */
.hero{
  position:relative;overflow:hidden;background:var(--graphite);color:#fff;
  padding:clamp(8rem,15vw,11rem) 0 0;
}
.hero-grid-bg{
  position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 70% 30%,#000 40%,transparent 100%);
          mask-image:radial-gradient(ellipse 80% 70% at 70% 30%,#000 40%,transparent 100%);
}
.hero-art{
  position:absolute;right:-4%;top:50%;transform:translateY(-54%);
  width:min(46vw,520px);height:auto;color:var(--red);opacity:.16;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:720px;padding-bottom:clamp(3rem,6vw,4.5rem)}
.hero .eyebrow{color:#ff6a5f}
.hero-title{
  font-family:var(--display);font-weight:800;letter-spacing:-.025em;line-height:1.02;
  font-size:clamp(2.3rem,5.6vw,4rem);
}
.hero-sub{margin-top:1.3rem;font-size:clamp(1.02rem,1.6vw,1.18rem);color:rgba(255,255,255,.78);max-width:60ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2.1rem}

/* catalog marquee — the no-photo signature strip */
.marquee{
  position:relative;z-index:2;overflow:hidden;background:var(--graphite-2);
  border-top:2px solid var(--red);padding:.85rem 0;
}
.marquee-track{display:flex;width:max-content;animation:marquee 38s linear infinite}
.marquee-item{
  font-family:var(--display);font-weight:700;font-size:.9rem;letter-spacing:.06em;text-transform:uppercase;
  color:rgba(255,255,255,.62);padding:0 1.5rem;white-space:nowrap;
}
body[data-lang="ta"] .marquee-item{font-family:var(--tamil);font-weight:600;text-transform:none;letter-spacing:.02em}
@keyframes marquee{to{transform:translateX(-50%)}}
.marquee:hover .marquee-track{animation-play-state:paused}

/* ============================= TRUST STRIP ============================= */
.trust{background:var(--panel);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:2.4rem 24px}
.trust-item{display:flex;flex-direction:column;align-items:center;text-align:center;gap:.25rem;position:relative}
.trust-item:not(:last-child)::after{content:"";position:absolute;right:0;top:14%;height:72%;width:1px;background:var(--line)}
.trust-num{font-family:var(--display);font-weight:800;font-size:clamp(1.9rem,4vw,2.6rem);color:var(--ink);line-height:1}
.trust-plus{color:var(--red)}
.trust-head{font-family:var(--display);font-weight:800;font-size:clamp(1.1rem,2.4vw,1.4rem);color:var(--ink);line-height:1.1}
.trust-label{font-size:.82rem;color:var(--ink-soft);font-weight:500}

/* ============================= PRODUCTS ============================= */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.product-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:1.8rem 1.6rem;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfd6dd}
.product-ico{
  display:grid;place-items:center;width:54px;height:54px;border-radius:11px;margin-bottom:1.1rem;
  background:#f0f3f6;color:var(--red);border:1px solid var(--line);
}
.product-ico svg{width:30px;height:30px}
.product-card h3{font-family:var(--display);font-weight:700;font-size:1.18rem;margin-bottom:.45rem}
.product-card p{color:var(--ink-soft);font-size:.97rem}

/* ============================= INDUSTRIES ============================= */
.industries{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.chip-row{display:flex;flex-wrap:wrap;gap:.8rem}
.chip{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--display);font-weight:600;font-size:.98rem;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
  padding:.7rem 1.3rem;color:var(--ink);
}
body[data-lang="ta"] .chip{font-family:var(--tamil)}
.chip::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--red);transform:rotate(45deg)}

/* ============================= HOW TO ORDER ============================= */
.order-track{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.order-step{position:relative;padding-top:1.6rem;border-top:3px solid var(--line)}
.order-step::before{content:"";position:absolute;top:-3px;left:0;width:48px;height:3px;background:var(--red)}
.step-num{font-family:var(--display);font-weight:800;font-size:1rem;color:var(--red);letter-spacing:.05em}
.order-step h3{font-family:var(--display);font-weight:700;font-size:1.15rem;margin:.5rem 0 .4rem}
.order-step p{color:var(--ink-soft);font-size:.96rem}

/* ============================= WHY US ============================= */
.why{background:var(--graphite);color:#fff}
.why .section-title{color:#fff}
.why .eyebrow{color:#ff6a5f}
.why-points{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem 2rem}
.why-point{padding-left:1.1rem;border-left:2px solid rgba(255,255,255,.16)}
.why-point h3{font-family:var(--display);font-weight:700;font-size:1.12rem;margin-bottom:.5rem;color:#fff}
.why-point p{color:rgba(255,255,255,.72);font-size:.96rem}

/* ============================= LEAD FORM ============================= */
.lead-inner{max-width:780px;margin:0 auto;text-align:center}
.lead-inner .section-sub{margin-left:auto;margin-right:auto}
.lead-form{
  display:grid;grid-template-columns:1fr 1fr;gap:1rem;text-align:left;
  background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:2rem;box-shadow:var(--shadow);
}
.field{position:relative}
.field-wide{grid-column:1 / -1}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:1rem;color:var(--ink);
  background:var(--bg);border:1.5px solid var(--line);border-radius:10px;
  padding:1.3rem 1rem .5rem;transition:border-color .2s,box-shadow .2s;outline:none;resize:none;
}
.field textarea{padding-top:1.4rem}
.field select{padding-top:1.4rem;padding-bottom:.55rem;appearance:none;cursor:pointer}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(209,31,38,.12)}
.field label{
  position:absolute;left:1rem;top:.95rem;color:var(--ink-soft);font-size:1rem;pointer-events:none;
  transition:transform .18s var(--ease),font-size .18s,color .18s;transform-origin:left top;
}
.field label.label-static{top:.4rem;font-size:.72rem;transform:none;font-weight:600;letter-spacing:.02em}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label{transform:translateY(-.6rem) scale(.78);color:var(--red);font-weight:600}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-msg{grid-column:1 / -1;margin-top:.3rem;font-size:.95rem;min-height:1.2em}
.form-msg.ok{color:#178f4a;font-weight:600}
.form-msg.err{color:var(--red);font-weight:600}

.lead-direct{margin-top:1.8rem;display:flex;flex-direction:column;align-items:center;gap:.9rem}
.lead-direct > span{font-size:.9rem;color:var(--ink-soft)}
.direct-btns{display:flex;gap:.8rem;flex-wrap:wrap;justify-content:center}

/* ============================= FOOTER ============================= */
.site-footer{background:var(--graphite);color:rgba(255,255,255,.75);padding:3.5rem 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:2.5rem}
.footer-mark{margin-bottom:1rem}
.footer-mark .brand-text strong{color:#fff}
.footer-brand p{margin-top:.7rem;font-size:.94rem;max-width:42ch;color:rgba(255,255,255,.7)}
.footer-dealer{font-size:.85rem !important;color:rgba(255,255,255,.5) !important}
.footer-gst{font-size:.88rem !important}
.footer-gst strong{color:#fff;letter-spacing:.03em}
.footer-credit{font-size:.88rem !important}
.footer-credit a{color:var(--amber);font-weight:600}
.footer-col h4{font-family:var(--display);font-weight:700;font-size:1rem;color:#fff;margin-bottom:.9rem}
.footer-col p{margin-bottom:.4rem;font-size:.94rem}
.footer-col a{color:rgba(255,255,255,.8)}
.footer-col a:hover{color:#fff}
.footer-address{font-style:normal;color:rgba(255,255,255,.7);font-size:.92rem;line-height:1.5;margin-bottom:.6rem}
.footer-hours{color:rgba(255,255,255,.6);font-size:.88rem}
.footer-maplink{display:inline-block;margin-top:.4rem;color:var(--amber) !important;font-weight:600;font-size:.9rem}
.footer-bottom{margin-top:3rem;padding-top:1.4rem;padding-bottom:1.6rem;border-top:1px solid rgba(255,255,255,.12);font-size:.85rem;color:rgba(255,255,255,.55)}

/* ============================= STICKY MOBILE CTA ============================= */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60}
.mobile-cta{
  flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.95rem;font-family:var(--display);font-weight:700;font-size:.98rem;color:#fff;
}
.mobile-cta.call{background:var(--graphite)}
.mobile-cta.wa{background:#1faa59}
body[data-lang="ta"] .mobile-cta{font-family:var(--tamil);font-weight:600}

/* ============================= REVEAL ANIMATION ============================= */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.05s}.reveal.d2{transition-delay:.12s}
.reveal.d3{transition-delay:.19s}.reveal.d4{transition-delay:.26s}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .marquee-track{animation:none}
  html{scroll-behavior:auto}
}

/* ============================= RESPONSIVE ============================= */
@media (max-width:900px){
  .nav{display:none}
  .product-grid{grid-template-columns:1fr 1fr}
  .order-track{grid-template-columns:1fr 1fr;gap:1.8rem}
  .why-points{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-art{opacity:.1}
}
@media (max-width:600px){
  .trust-grid{grid-template-columns:1fr 1fr;gap:1.6rem 1rem}
  .trust-item:nth-child(2)::after{display:none}
  .product-grid{grid-template-columns:1fr}
  .order-track{grid-template-columns:1fr}
  .why-points{grid-template-columns:1fr}
  .lead-form{grid-template-columns:1fr;padding:1.4rem}
  .footer-grid{grid-template-columns:1fr;gap:2rem}
  .mobile-bar{display:flex}
  body{padding-bottom:54px}
  .hero-cta .btn{flex:1 1 100%}
  .brand-text em{display:none}
  /* sticky bar + hero CTA cover conversion on mobile — drop the header button to avoid overflow */
  .header-actions .btn-primary{display:none}
}