/* ===========================================================
   TIRUPATI PACKAGING — design system
   Palette: Ink Navy / Steel / Kraft Amber / Cream Paper
   Display: Archivo (expanded weights)  Body: Inter  Mono: IBM Plex Mono
   Signature: corrugated-flute line motif
   =========================================================== */

:root{
  --navy:#0E2233;
  --navy-2:#16395B;
  --steel:#1E4D78;
  --amber:#E07B12;
  --amber-2:#E9A653;
  --amber-soft:#FBEBD6;
  --cream:#F7F3EC;
  --cream-2:#EFE7D7;
  --paper:#FCFAF6;
  --ink:#16242E;
  --slate:#566370;
  --line:#E2DACB;
  --white:#ffffff;

  --maxw:1180px;
  --r:14px;
  --r-lg:22px;
  --shadow:0 18px 40px -22px rgba(14,34,51,.45);
  --shadow-sm:0 8px 20px -14px rgba(14,34,51,.4);
  --ff-display:"Archivo","Arial Narrow",sans-serif;
  --ff-body:"Inter",system-ui,sans-serif;
  --ff-mono:"IBM Plex Mono",ui-monospace,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{
  margin:0;font-family:var(--ff-body);color:var(--ink);
  background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:clip;
  font-size:16.5px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--ff-display);line-height:1.06;margin:0;color:var(--navy);
  font-weight:800;letter-spacing:-.01em;font-stretch:expanded;}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative}

/* ---------- shared bits ---------- */
.eyebrow{font-family:var(--ff-mono);font-size:.74rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--amber);font-weight:600;display:inline-flex;
  align-items:center;gap:.6em;margin:0 0 1rem}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--amber);display:inline-block}
.lead{font-size:1.12rem;color:var(--slate);max-width:62ch}

.btn{display:inline-flex;align-items:center;gap:.55em;font-family:var(--ff-display);
  font-weight:700;font-size:.95rem;letter-spacing:.01em;padding:.92em 1.6em;border-radius:999px;
  cursor:pointer;border:2px solid transparent;transition:.22s ease;font-stretch:expanded}
.btn-primary{background:var(--amber);color:#fff;box-shadow:0 12px 26px -12px rgba(224,123,18,.7)}
.btn-primary:hover{background:#cf6c08;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--navy);background:var(--navy);color:#fff}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-outline-light:hover{background:#fff;color:var(--navy)}
.btn .ar{transition:transform .22s}
.btn:hover .ar{transform:translateX(3px)}

/* corrugated flute divider (signature) */
.flute{height:14px;width:100%;
  background:
   radial-gradient(circle at 8px -4px, transparent 9px, var(--line) 9px 10px, transparent 11px) 0 0/16px 14px repeat-x;
  opacity:.9}
.flute-amber{background:
   radial-gradient(circle at 8px -4px, transparent 9px, rgba(224,123,18,.5) 9px 10px, transparent 11px) 0 0/16px 14px repeat-x;}

/* ===========================================================
   HEADER / NAV
   =========================================================== */
.topbar{background:var(--navy);color:#cdd6de;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.topbar a{color:#cdd6de;display:inline-flex;align-items:center;gap:.45em}
.topbar a:hover{color:#fff}
.topbar .tb-right{display:flex;gap:1.4rem;flex-wrap:wrap}
.topbar .ico{color:var(--amber-2)}

.site-header{position:sticky;top:0;z-index:60;background:rgba(252,250,246,.97);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding-top:14px;padding-bottom:14px}
.nav .logo img{height:76px;width:auto}
.menu{display:flex;align-items:center;gap:.3rem;list-style:none;margin:0;padding:0}
.menu a{font-family:var(--ff-display);font-weight:600;font-size:.96rem;color:var(--navy);
  padding:.55em .85em;border-radius:8px;position:relative;transition:.18s}
.menu a:hover{color:var(--amber);background:var(--amber-soft)}
.menu a.active{color:var(--amber)}
.menu a.active::after{content:"";position:absolute;left:.85em;right:.85em;bottom:.18em;
  height:2px;background:var(--amber);border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:.8rem}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;position:relative;z-index:61}
.nav-toggle span{display:block;width:26px;height:2.6px;background:var(--navy);
  border-radius:2px;margin:5px 0;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.6px) rotate(-45deg)}

/* ===========================================================
   HERO
   =========================================================== */
.hero{background:
   linear-gradient(180deg,var(--cream),var(--paper));
   overflow:hidden;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;
  padding:74px 0 64px}
.hero h1{font-size:clamp(2.5rem,5.4vw,4.15rem);letter-spacing:-.02em}
.hero h1 .accent{color:var(--amber)}
.hero .lead{margin:1.4rem 0 2rem}
.hero-cta{display:flex;gap:.9rem;flex-wrap:wrap}
.hero-art{position:relative}
.hero-art img{margin-inline:auto;filter:drop-shadow(0 30px 40px rgba(14,34,51,.18))}
.hero-badge{position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:.7rem 1rem;box-shadow:var(--shadow);font-family:var(--ff-display);font-weight:700;
  display:flex;align-items:center;gap:.7rem;font-size:.9rem;color:var(--navy)}
.hero-badge small{display:block;font-family:var(--ff-mono);font-weight:500;color:var(--slate);
  font-size:.66rem;letter-spacing:.08em;text-transform:uppercase}
.hero-badge .dot{width:30px;height:30px;border-radius:9px;background:var(--amber-soft);
  display:grid;place-items:center;color:var(--amber)}
.hb-1{top:14%;left:-2%}
.hb-2{bottom:12%;right:-1%}

/* stat band */
.statband{background:var(--navy);color:#fff}
.statband .container{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(255,255,255,.08)}
.stat{background:var(--navy);padding:30px 22px;text-align:center}
.stat b{font-family:var(--ff-display);font-stretch:expanded;font-weight:800;
  font-size:2.15rem;color:var(--amber-2);display:block;line-height:1}
.stat span{font-size:.82rem;color:#b8c3cd;letter-spacing:.02em}

/* ===========================================================
   GENERIC SECTION
   =========================================================== */
.sec{padding:84px 0}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}
.sec h2{font-size:clamp(1.9rem,3.6vw,2.7rem)}
.sec--cream{background:var(--cream)}
.sec--navy{background:var(--navy);color:#cfd8df}
.sec--navy h2,.sec--navy h3{color:#fff}
.sec--navy .lead{color:#aebac4}

/* ---------- about/intro split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow)}
.feature-list{list-style:none;margin:1.4rem 0 0;padding:0;display:grid;gap:.9rem}
.feature-list li{display:flex;gap:.8rem;align-items:flex-start}
.feature-list .tick{flex:0 0 24px;height:24px;border-radius:7px;background:var(--amber-soft);
  color:var(--amber);display:grid;place-items:center;margin-top:2px}
.feature-list b{display:block;color:var(--navy);font-family:var(--ff-display)}
.feature-list small{color:var(--slate);font-size:.92rem}

/* ---------- product cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;
  transition:.25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--amber-2)}
.card::after{content:"";position:absolute;left:0;top:0;height:4px;width:0;background:var(--amber);
  transition:width .3s}
.card:hover::after{width:100%}
.card .ic{width:62px;height:62px;margin-bottom:18px}
.card h3{font-size:1.22rem;margin-bottom:.5rem}
.card p{font-size:.95rem;color:var(--slate);margin-bottom:1rem}
.card .tags{display:flex;flex-wrap:wrap;gap:.4rem}
.card .tag{font-family:var(--ff-mono);font-size:.68rem;letter-spacing:.04em;color:var(--navy-2);
  background:var(--cream-2);padding:.32em .7em;border-radius:999px}

/* ---------- infrastructure ---------- */
.infra-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.infra{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:.25s}
.infra:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.infra .pic{aspect-ratio:16/10;overflow:hidden;background:var(--cream)}
.infra .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.infra:hover .pic img{transform:scale(1.05)}
.infra .body{padding:22px 24px 26px}
.infra .num{font-family:var(--ff-mono);font-size:.72rem;color:var(--amber);letter-spacing:.12em}
.infra h3{font-size:1.18rem;margin:.35rem 0 .5rem}
.infra p{font-size:.92rem;color:var(--slate);margin:0}

/* ---------- partners ---------- */
.partners{background:var(--cream)}
.partner-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.partner{background:#fff;border:1px solid var(--line);border-radius:14px;height:96px;
  display:grid;place-items:center;padding:0 22px;transition:.25s;filter:grayscale(1) opacity(.8)}
.partner:hover{filter:none;border-color:var(--amber-2);box-shadow:var(--shadow-sm)}
.partner img{max-height:42px;width:auto}

/* ---------- process / steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{position:relative;padding-top:18px}
.step .n{font-family:var(--ff-display);font-stretch:expanded;font-weight:800;font-size:2.4rem;
  color:var(--amber);opacity:.9;line-height:1}
.step h3{font-size:1.12rem;margin:.4rem 0 .4rem}
.step p{font-size:.92rem;color:var(--slate);margin:0}
.step::before{content:"";position:absolute;top:6px;left:0;width:42px;height:3px;background:var(--amber-2)}
.sec--navy .step p{color:#aebac4}
.sec--navy .step::before{background:var(--amber)}

/* ---------- quote / contact form ---------- */
.quote-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;align-items:stretch}
.quote-info{background:var(--navy);color:#cdd6de;border-radius:var(--r-lg);padding:42px 38px;
  position:relative;overflow:hidden}
.quote-info h2{color:#fff;margin-bottom:.8rem}
.quote-info .lead{color:#aebac4;margin-bottom:1.8rem}
.qcontact{list-style:none;margin:0;padding:0;display:grid;gap:1.1rem}
.qcontact li{display:flex;gap:.95rem;align-items:flex-start}
.qcontact .qi{flex:0 0 42px;height:42px;border-radius:11px;background:rgba(233,166,83,.16);
  color:var(--amber-2);display:grid;place-items:center}
.qcontact b{color:#fff;font-family:var(--ff-display);font-size:.95rem;display:block}
.qcontact a,.qcontact span{color:#b9c4cd;font-size:.92rem}
.qcontact a:hover{color:var(--amber-2)}
.quote-info .corr{position:absolute;right:-40px;bottom:-40px;width:200px;height:200px;
  border-radius:50%;background:rgba(224,123,18,.12)}

.quote-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:40px 38px;
  box-shadow:var(--shadow)}
.quote-form h3{font-size:1.5rem;margin-bottom:.4rem}
.quote-form .sub{color:var(--slate);font-size:.94rem;margin-bottom:1.6rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px;display:flex;flex-direction:column;gap:.4rem}
.field label{font-family:var(--ff-display);font-weight:600;font-size:.86rem;color:var(--navy)}
.field label .req{color:var(--amber)}
.field input,.field select,.field textarea{
  font-family:var(--ff-body);font-size:.96rem;padding:.78em .95em;border:1.5px solid var(--line);
  border-radius:10px;background:var(--paper);color:var(--ink);transition:.18s;width:100%}
.field textarea{resize:vertical;min-height:118px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--amber);background:#fff;box-shadow:0 0 0 4px var(--amber-soft)}
.field.error input,.field.error select,.field.error textarea{border-color:#d6453a;background:#fdf3f2}
.err-msg{color:#d6453a;font-size:.78rem;font-family:var(--ff-mono);display:none}
.field.error .err-msg{display:block}
.form-note{font-size:.8rem;color:var(--slate);margin-top:.4rem}
.form-status{display:none;margin-top:1rem;padding:.9em 1.1em;border-radius:10px;font-size:.92rem}
.form-status.ok{display:block;background:#eaf7ee;color:#1d7a3e;border:1px solid #bfe6cb}
.form-status.bad{display:block;background:#fdf3f2;color:#c23a30;border:1px solid #f3c9c5}

/* ---------- CTA strip ---------- */
.cta-strip{background:var(--amber);color:#fff;border-radius:var(--r-lg);
  padding:46px 50px;display:flex;align-items:center;justify-content:space-between;gap:30px;
  flex-wrap:wrap;box-shadow:0 24px 50px -24px rgba(224,123,18,.7)}
.cta-strip h2{color:#fff;font-size:clamp(1.6rem,3vw,2.2rem)}
.cta-strip p{color:#fff;opacity:.92;margin:.4rem 0 0;max-width:46ch}

/* ===========================================================
   PAGE HEADER (interior pages)
   =========================================================== */
.page-head{background:var(--navy);color:#fff;padding:64px 0 70px;position:relative;overflow:hidden}
.page-head .container{position:relative;z-index:2}
.page-head h1{color:#fff;font-size:clamp(2.1rem,4.4vw,3.2rem)}
.page-head p{color:#aebac4;max-width:58ch;margin-top:.8rem}
.page-head .eyebrow{color:var(--amber-2)}
.page-head .eyebrow::before{background:var(--amber-2)}
.crumbs{font-family:var(--ff-mono);font-size:.76rem;color:#8b99a5;margin-top:1.4rem;
  letter-spacing:.04em}
.crumbs a:hover{color:var(--amber-2)}
.page-head .ghost-box{position:absolute;right:-60px;top:-40px;opacity:.16}
.page-head .ghost-box img{width:340px}

/* ===========================================================
   FOOTER
   =========================================================== */
.site-footer{background:#0A1A28;color:#9fadb8;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.site-footer .logo img{height:46px;margin-bottom:18px}
.site-footer h4{color:#fff;font-size:.95rem;letter-spacing:.04em;margin-bottom:18px;
  text-transform:uppercase;font-family:var(--ff-mono);font-weight:600;font-size:.78rem}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.7rem}
.site-footer a:hover{color:var(--amber-2)}
.foot-contact li{display:flex;gap:.7rem;margin-bottom:.8rem;align-items:flex-start;font-size:.92rem}
.foot-contact .fi{color:var(--amber-2);flex:0 0 18px;margin-top:3px}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding:22px 0;flex-wrap:wrap;font-size:.82rem}
.foot-bottom .made{font-family:var(--ff-mono);letter-spacing:.03em}

/* ===========================================================
   RESPONSIVE
   =========================================================== */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:30px;padding:48px 0 40px}
  .hero-art{order:-1;max-width:420px;margin-inline:auto}
  .hb-1{left:2%}.hb-2{right:2%}
  .split{grid-template-columns:1fr;gap:34px}
  .quote-wrap{grid-template-columns:1fr}
  .cards,.infra-grid{grid-template-columns:repeat(2,1fr)}
  .statband .container{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .partner-strip{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .nav-toggle{display:block}
  .menu{position:fixed;inset:0 0 0 30%;background:#fff;flex-direction:column;align-items:stretch;
    padding:90px 24px 24px;gap:.2rem;transform:translateX(100%);transition:transform .3s ease;
    box-shadow:-20px 0 50px -20px rgba(14,34,51,.4);z-index:55}
  .menu.open{transform:translateX(0)}
  .menu a{padding:.9em 1em;border-radius:10px;font-size:1.05rem}
  .menu a.active::after{display:none}
  .nav-cta .btn{display:none}
  .cards,.infra-grid,.steps,.partner-strip{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .sec{padding:60px 0}
  .cta-strip{padding:34px 28px}
  .topbar .tb-left{display:none}
  .quote-info,.quote-form{padding:30px 24px}
  .foot-grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:4px}

/* fade-in on scroll */
.reveal{transition:opacity .6s ease,transform .6s ease}
html.js .reveal{opacity:0;transform:translateY(22px)}
.reveal.in,html.js .reveal.in{opacity:1;transform:none}


/* ---- WhatsApp floating widget ---- */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:90;display:flex;align-items:center;gap:10px;
  background:#25D366;color:#fff;border-radius:999px;padding:14px;text-decoration:none;
  box-shadow:0 14px 32px -8px rgba(37,211,102,.6)}
.wa-float svg{width:30px;height:30px;flex:0 0 30px;display:block}
.wa-label{font-family:var(--ff-display);font-weight:700;font-size:.92rem;max-width:0;overflow:hidden;
  white-space:nowrap;transition:max-width .3s ease;line-height:1}
.wa-float:hover .wa-label{max-width:150px;padding-right:4px}
.wa-float::after{content:"";position:absolute;inset:0;border-radius:999px;
  box-shadow:0 0 0 0 rgba(37,211,102,.5);animation:waPulse 2.4s ease-out infinite}
@keyframes waPulse{to{box-shadow:0 0 0 18px rgba(37,211,102,0)}}
@media (max-width:680px){.wa-float{right:16px;bottom:16px;padding:13px}
  .wa-float:hover .wa-label{max-width:0}}


/* ── photo hero banner ── */
.hero--photo{
  position:relative;
  background-color:#0E2233;
  background-position:center right;
  background-size:cover;
  background-repeat:no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero--photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,
     rgba(14,34,51,.95) 0%, rgba(14,34,51,.88) 30%,
     rgba(14,34,51,.66) 52%, rgba(14,34,51,.32) 76%, rgba(14,34,51,.12) 100%);
}
.hero--photo .hero-inner{
  position:relative;z-index:1;
  min-height:560px;display:flex;align-items:center;padding:80px 0;
}
.hero--photo .hero-copy{max-width:640px;}
.hero--photo h1{color:#fff;}
.hero--photo .lead{color:rgba(255,255,255,.85);}
.hero--photo .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5);background:transparent;}
.hero--photo .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;}
@media(max-width:720px){
  .hero--photo{background-position:center center;}
  .hero--photo::after{background:linear-gradient(180deg,rgba(14,34,51,.84),rgba(14,34,51,.93));}
  .hero--photo .hero-inner{min-height:auto;padding:54px 0;}
}


/* ── product gallery (Products page) — masonry, full image visible ── */
.product-gallery{
  column-count:4;
  column-gap:16px;
  margin-top:34px;
}
.pg-item{
  break-inside:avoid;
  margin:0 0 16px;
  border:1px solid var(--line);border-radius:14px;
  background:#fff;overflow:hidden;
  box-shadow:0 1px 2px rgba(14,34,51,.04);
}
.pg-item img{
  width:100%;height:auto;display:block;
  transition:transform .35s ease;
}
.pg-item:hover img{transform:scale(1.04);}
@media(max-width:1000px){ .product-gallery{column-count:3;} }
@media(max-width:680px){ .product-gallery{column-count:2;column-gap:10px;} .pg-item{margin-bottom:10px;} }