/* ============================================================
   TAJ MAHAL SLAB — tajmahalslab.com
   Warm stone palette: bone / sand / antique gold / deep espresso
   ============================================================ */

:root{
  --ink:#17130f;
  --ink-2:#221c16;
  --ink-3:#2e2620;
  --gold:#b98a3e;
  --gold-soft:#d9b878;
  --bone:#faf6ee;
  --bone-2:#f1e9db;
  --sand:#e3d8c4;
  --text:#2a2420;
  --muted:#6f6459;
  --line:rgba(23,19,15,.12);
  --radius:4px;
  --serif:'Cormorant Garamond',Georgia,'Times New Roman',serif;
  --sans:'Jost','Segoe UI',system-ui,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 26px 60px rgba(23,19,15,.16);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bone);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.14;margin:0;letter-spacing:.005em}
h1{font-size:clamp(2.3rem,5.4vw,4.3rem)}
h2{font-size:clamp(1.7rem,3.3vw,2.7rem)}
h3{font-size:clamp(1.15rem,1.7vw,1.45rem)}
p{margin:0 0 1rem}
.container{width:min(1220px,92vw);margin:0 auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--sans);font-weight:500;font-size:.83rem;letter-spacing:.13em;
  text-transform:uppercase;padding:1rem 1.9rem;border-radius:var(--radius);
  border:1px solid transparent;cursor:pointer;transition:all .35s var(--ease);
}
.btn-gold{background:var(--gold);color:#fff;border-color:var(--gold)}
.btn-gold:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-dark{border-color:rgba(23,19,15,.28);color:var(--ink)}
.btn-dark:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-sm{padding:.68rem 1.25rem;font-size:.74rem}

/* ---------- Header ---------- */
.site-header{
  position:fixed;inset:0 0 auto;z-index:900;padding:1.4rem 0;
  transition:background .4s var(--ease),padding .4s var(--ease),box-shadow .4s;
}
.site-header.scrolled{background:rgba(23,19,15,.94);padding:.75rem 0;box-shadow:0 10px 34px rgba(0,0,0,.24)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:2rem}
.brand{display:flex;align-items:center;gap:.7rem;color:#fff}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border:1px solid var(--gold);
  display:grid;place-items:center;font-family:var(--serif);font-size:1.15rem;
  color:var(--gold-soft);letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.06}
.brand-text strong{font-family:var(--serif);font-weight:600;letter-spacing:.2em;font-size:1.08rem}
.brand-text em{font-style:normal;font-size:.58rem;letter-spacing:.3em;color:var(--gold-soft);text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:1.7rem}
.main-nav a{color:rgba(255,255,255,.85);font-size:.79rem;letter-spacing:.11em;text-transform:uppercase;position:relative;padding:4px 0}
.main-nav a:not(.nav-cta)::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--gold-soft);transition:width .35s var(--ease);
}
.main-nav a:not(.nav-cta):hover::after{width:100%}
.nav-cta{
  border:1px solid var(--gold);padding:.66rem 1.2rem;color:var(--gold-soft);transition:all .35s var(--ease);
}
.nav-cta:hover{background:var(--gold);color:#fff}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;transition:.3s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:-2}
.hero-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.03)}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(18,14,10,.9) 8%,rgba(18,14,10,.62) 46%,rgba(18,14,10,.3) 100%);
}
.hero-inner{padding:11rem 0 5rem;max-width:820px}
.eyebrow{
  display:inline-flex;align-items:center;gap:.7rem;font-size:.7rem;letter-spacing:.34em;
  text-transform:uppercase;color:var(--gold-soft);margin:0 0 1.5rem;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--gold-soft);display:block}
.hero-lead{color:rgba(255,255,255,.85);font-size:clamp(1rem,1.35vw,1.14rem);max-width:60ch;margin:1.6rem 0 2.3rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;
  border-top:1px solid rgba(255,255,255,.2);padding-top:2rem;margin-top:3.4rem;
}
.stat-bar strong{font-family:var(--serif);font-size:clamp(1.5rem,2.4vw,2.1rem);color:var(--gold-soft);display:block;line-height:1.1}
.stat-bar span{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.68)}

/* ---------- Ticker ---------- */
.ticker{background:var(--ink);color:var(--bone-2);padding:.95rem 0;overflow:hidden;white-space:nowrap}
.ticker-track{display:inline-flex;gap:3.4rem;animation:tick 44s linear infinite;font-size:.74rem;letter-spacing:.28em;text-transform:uppercase}
.ticker-track span{opacity:.72}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Sections ---------- */
.section{padding:clamp(4.6rem,9vw,7.6rem) 0}
.section.alt{background:var(--bone-2)}
.section.dark{background:var(--ink);color:#efe9e0}
.section.dark .muted,.section.dark .sec-sub{color:rgba(239,233,224,.7)}
.sec-head{max-width:760px;margin-bottom:clamp(2.4rem,4.5vw,3.6rem)}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}
.sec-sub{color:var(--muted);font-size:1.03rem;margin-top:1rem}
.section.dark .eyebrow{color:var(--gold-soft)}
.muted{color:var(--muted)}

/* ---------- Split image/text ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(2rem,5vw,4.6rem);align-items:center}
.split.rev .split-media{order:2}
.split-media{min-width:0}
.split-media img{width:100%;height:100%;object-fit:cover;box-shadow:var(--shadow)}
.split-media.tall img{aspect-ratio:4/3.4}
.split-body p{color:var(--muted)}
.split-body h2{margin-bottom:1.2rem}
.section.dark .split-body p{color:rgba(239,233,224,.75)}

/* ---------- Grids ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card-media{overflow:hidden;background:var(--sand)}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .7s var(--ease)}
.card:hover .card-media img{transform:scale(1.05)}
.card-body{padding:1.5rem 1.5rem 1.7rem}
.card-body h3{margin-bottom:.6rem}
.card-body p{color:var(--muted);font-size:.94rem;margin-bottom:.9rem}
.tag{
  display:inline-block;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gold);border:1px solid rgba(185,138,62,.4);padding:.3rem .7rem;border-radius:100px;
}
.section.dark .tag{color:var(--gold-soft);border-color:rgba(217,184,120,.4)}

/* ---------- Feature list ---------- */
.check-list{list-style:none;padding:0;margin:1.4rem 0 0}
.check-list li{position:relative;padding:.5rem 0 .5rem 1.9rem;font-size:.96rem;color:var(--muted)}
.section.dark .check-list li{color:rgba(239,233,224,.78)}
.check-list li::before{
  content:"";position:absolute;left:0;top:1.05rem;width:14px;height:8px;
  border-left:1.6px solid var(--gold);border-bottom:1.6px solid var(--gold);transform:rotate(-45deg) scale(.8);
}

/* ---------- Spec table ---------- */
.spec-table{width:100%;border-collapse:collapse;margin-top:2.2rem;font-size:.94rem}
.spec-table th,.spec-table td{text-align:left;padding:1.05rem 1.1rem;border-bottom:1px solid var(--line)}
.spec-table th{
  font-family:var(--sans);font-weight:600;font-size:.7rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gold);background:rgba(185,138,62,.06);
}
.spec-table td:first-child{font-weight:600;color:var(--ink);width:32%}
.spec-table td{color:var(--muted)}

/* ---------- Gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:.9rem}
.gallery figure{margin:0;position:relative;overflow:hidden;background:var(--sand);min-width:0}
.gallery img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .8s var(--ease)}
.gallery figure:hover img{transform:scale(1.06)}
.gallery figcaption{
  position:absolute;inset:auto 0 0;padding:.85rem 1rem;color:#fff;font-size:.74rem;
  letter-spacing:.14em;text-transform:uppercase;
  background:linear-gradient(transparent,rgba(18,14,10,.8));
}
.gallery .wide{grid-column:span 2}

/* ---------- Application scenes ---------- */
.app-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.7rem;margin-top:2.6rem}
.app-item{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.app-item:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.app-item img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .8s var(--ease)}
.app-item:hover img{transform:scale(1.04)}
.app-item figcaption{padding:1.25rem 1.5rem 1.5rem;display:flex;flex-direction:column;gap:.4rem;border-top:1px solid var(--line)}
.app-item figcaption strong{font-family:var(--serif);font-size:1.18rem;font-weight:600;color:var(--ink)}
.app-item figcaption span{font-size:.9rem;color:var(--muted);line-height:1.6}
@media (max-width:760px){
  .app-grid{grid-template-columns:1fr;gap:1.3rem}
}

/* ---------- Steps ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-top:2.6rem}
.step{position:relative;padding:1.9rem 1.5rem 1.6rem;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--serif);font-size:1.5rem;color:var(--gold-soft);display:block;margin-bottom:.7rem;
}
.step h4{font-family:var(--sans);font-size:.9rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.5rem}
.step p{font-size:.88rem;color:rgba(239,233,224,.7);margin:0}

/* ---------- FAQ ---------- */
.faq-list{margin-top:2.4rem;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:1.35rem 2.4rem 1.35rem 0;position:relative;
  font-family:var(--serif);font-size:1.12rem;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:.3rem;top:50%;transform:translateY(-50%);
  font-family:var(--sans);font-size:1.3rem;color:var(--gold);transition:transform .3s var(--ease);
}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 2.4rem 1.4rem 0;color:var(--muted);margin:0;font-size:.95rem}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.4rem);align-items:start}
.contact-meta{display:flex;flex-direction:column;gap:.9rem;margin-top:1.6rem}
.contact-meta a{display:flex;align-items:center;gap:.7rem;font-size:.96rem;color:var(--muted);transition:color .3s}
.contact-meta a:hover{color:var(--gold)}
.contact-meta .addr{color:var(--muted);font-size:.94rem}
.quote-form{display:grid;gap:1rem;background:#fff;border:1px solid var(--line);padding:clamp(1.5rem,3vw,2.4rem);box-shadow:var(--shadow)}
.field{display:flex;flex-direction:column;gap:.4rem}
.field label{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.field input,.field select,.field textarea{
  font-family:var(--sans);font-size:.95rem;padding:.85rem 1rem;border:1px solid var(--line);
  background:var(--bone);color:var(--text);border-radius:var(--radius);transition:border-color .3s,background .3s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);background:#fff}
.field textarea{resize:vertical;min-height:120px}
.form-note{font-size:.8rem;color:var(--muted);margin:0}
.form-note a{color:var(--gold);border-bottom:1px solid rgba(185,138,62,.4)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#cfc7bc;padding:clamp(3.4rem,6vw,5.4rem) 0 2rem;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr;gap:2.6rem}
.footer-brand .brand{margin-bottom:1.1rem}
.footer-brand p{color:rgba(207,199,188,.72);max-width:38ch;font-size:.9rem}
.footer-nav h4{font-family:var(--sans);font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold-soft);margin-bottom:1.1rem}
.footer-nav{display:flex;flex-direction:column;gap:.7rem}
.footer-nav a{color:#b9b1a6;font-size:.9rem;width:fit-content;transition:color .3s}
.footer-nav a:hover{color:var(--gold-soft)}
.social-links{display:flex;gap:.8rem;margin-top:1.3rem;flex-wrap:wrap}
.social-links a{
  display:inline-flex;align-items:center;gap:.45rem;padding:.45rem .85rem;border:1px solid rgba(255,255,255,.16);
  border-radius:100px;color:#b9b1a6;font-size:.78rem;transition:all .3s var(--ease);
}
.social-links a:hover{color:var(--ink);background:var(--gold-soft);border-color:var(--gold-soft)}
.footer-base{
  margin-top:3rem;padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.8rem;color:rgba(207,199,188,.55);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- WhatsApp ---------- */
.wa-widget{position:fixed;right:22px;bottom:22px;z-index:1200}
.wa-fab{
  width:60px;height:60px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;
  background:#25d366;color:#fff;box-shadow:0 10px 26px rgba(37,211,102,.45);
  transition:transform .3s var(--ease),background .3s;position:relative;
}
.wa-fab:hover{background:#1fb958;transform:scale(1.06)}
.wa-fab-ping{position:absolute;inset:0;border-radius:50%;background:rgba(37,211,102,.5);animation:waPing 2.4s ease-out infinite}
.wa-fab svg{position:relative;z-index:1}
@keyframes waPing{0%{transform:scale(1);opacity:.55}70%{transform:scale(1.55);opacity:0}100%{opacity:0}}
.wa-card{
  position:absolute;right:0;bottom:74px;width:340px;max-width:calc(100vw - 40px);background:#fff;
  border-radius:16px;box-shadow:0 22px 60px rgba(23,19,15,.3);overflow:hidden;display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(14px) scale(.98);transform-origin:bottom right;
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
}
.wa-card.open{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.wa-card-head{display:flex;align-items:center;gap:.75rem;padding:.95rem 1.1rem;background:linear-gradient(135deg,#17130f,#2e2620);color:#fff}
.wa-ava{width:38px;height:38px;border-radius:50%;background:#25d366;display:grid;place-items:center;flex:0 0 38px}
.wa-ava svg{width:20px;height:20px}
.wa-card-title{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.wa-card-title strong{font-size:.94rem;font-family:var(--serif);letter-spacing:.04em}
.wa-card-title span{font-size:.74rem;color:#a49a8e;display:flex;align-items:center;gap:.35rem}
.wa-dot{width:8px;height:8px;border-radius:50%;background:#25d366;display:inline-block}
.wa-close{margin-left:auto;background:transparent;border:0;color:#c7cbd1;font-size:1.5rem;line-height:1;cursor:pointer;padding:2px 6px;border-radius:8px}
.wa-close:hover{color:#fff;background:rgba(255,255,255,.12)}
.wa-card-body{padding:1.15rem 1.1rem 1.25rem}
.wa-card-body p{margin:0 0 1rem;color:#5c544b;font-size:.9rem;line-height:1.6}
.wa-cta{
  display:flex;align-items:center;justify-content:center;gap:.6rem;width:100%;
  background:#25d366;color:#fff;font-weight:600;font-size:.9rem;padding:.85rem 1rem;border-radius:12px;transition:background .3s;
}
.wa-cta svg{width:20px;height:20px}
.wa-cta:hover{background:#1fb958;color:#fff}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .main-nav{gap:1.2rem}
  .main-nav a{font-size:.74rem}
}
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .split{grid-template-columns:1fr;gap:2.2rem}
  .split.rev .split-media{order:0}
  .split-media{max-width:640px;width:100%}
}
@media (max-width:860px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;inset:0 0 0 auto;width:min(84vw,340px);background:var(--ink);
    flex-direction:column;align-items:flex-start;justify-content:center;gap:1.5rem;padding:5rem 2.2rem;
    transform:translateX(100%);transition:transform .45s var(--ease);
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav a{font-size:1rem;letter-spacing:.14em}
  .contact-grid,.grid-2,.footer-grid{grid-template-columns:1fr}
  .footer-grid{gap:2.2rem}
  .stat-bar{grid-template-columns:repeat(2,1fr);gap:1.2rem}
}
@media (max-width:640px){
  .grid-3,.steps{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .gallery .wide{grid-column:span 2}
  .hero-inner{padding:9rem 0 4rem}
  .wa-widget{right:14px;bottom:14px}
  .wa-fab{width:54px;height:54px}
  .wa-card{bottom:68px;width:min(320px,calc(100vw - 28px))}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}