/* =========================================================
   Panchsheel Custom Lab — Premium Design System
   ========================================================= */
:root{
  /* Palette */
  --ink:#0B1220;
  --ink-2:#1f2937;
  --muted:#5b6577;
  --line:#e7eaf0;
  --bg-soft:#f6f7fb;
  --brand:#1E3A8A;          /* primary */
  --brand-2:#0f1e5c;
  --brand-ink:#0a1340;
  --gold:#D4AF37;           /* accent */
  --gold-soft:#f6e6a6;
  --success:#15803d;
  --whats:#25D366;

  /* Radius + shadow */
  --r-sm:.5rem; --r:1rem; --r-lg:1.25rem; --r-xl:1.75rem;
  --shadow-sm:0 1px 2px rgba(15,30,92,.06), 0 1px 1px rgba(15,30,92,.04);
  --shadow:0 10px 30px -18px rgba(15,30,92,.25), 0 2px 6px rgba(15,30,92,.06);
  --shadow-lg:0 30px 60px -30px rgba(15,30,92,.4), 0 10px 20px -10px rgba(15,30,92,.15);
  --shadow-gold:0 20px 40px -22px rgba(212,175,55,.55);

  /* Type scale */
  --fs-xs:.8rem; --fs-sm:.9rem; --fs-base:1rem; --fs-lg:1.125rem;
  --fs-2xl:1.5rem; --fs-3xl:1.875rem; --fs-4xl:2.25rem;
  --fs-5xl:3rem; --fs-6xl:3.75rem;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','Open Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:#fff;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6,.font-display{font-family:'Poppins',sans-serif;letter-spacing:-.015em;color:var(--ink)}
h1{line-height:1.08;font-weight:800}
h2{line-height:1.15;font-weight:700}
h3{line-height:1.25;font-weight:600}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}

.container-x{max-width:1200px;margin-inline:auto;padding-inline:1.25rem}
@media(min-width:768px){.container-x{padding-inline:2rem}}

/* ========================= Utilities ========================= */
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--brand)}
.title-xl{font-size:clamp(2rem,4.6vw,3.4rem);letter-spacing:-.02em}
.title-lg{font-size:clamp(1.75rem,3.5vw,2.5rem)}
.muted{color:var(--muted)}
.divider-gold{display:inline-block;width:56px;height:3px;border-radius:3px;background:var(--gold)}
.section{padding:5rem 0}
@media(max-width:640px){.section{padding:3.5rem 0}}

/* ========================= Header ========================= */
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.85);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid transparent;transition:all .3s ease}
.site-header.scrolled{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(10,19,64,.35)}
.nav-link{position:relative;font-weight:500;color:#334155;padding:.25rem 0}
.nav-link:hover{color:var(--brand)}
.nav-link:after{content:"";position:absolute;left:50%;bottom:-6px;height:2px;width:0;background:var(--gold);transform:translateX(-50%);transition:width .25s ease}
.nav-link:hover:after,.nav-link.active:after{width:100%}
.nav-link.active{color:var(--brand)}

/* ========================= Buttons ========================= */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;font-weight:600;font-family:'Poppins',sans-serif;border-radius:.8rem;padding:.85rem 1.5rem;transition:transform .2s ease, box-shadow .25s ease, background .2s ease, color .2s ease;letter-spacing:.1px;white-space:nowrap;cursor:pointer;border:0}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 14px 30px -18px rgba(30,58,138,.7)}
.btn-primary:hover{background:var(--brand-2);transform:translateY(-2px);box-shadow:0 22px 40px -18px rgba(30,58,138,.8)}
.btn-gold{background:var(--gold);color:var(--brand-ink);box-shadow:var(--shadow-gold)}
.btn-gold:hover{background:#c59c2c;transform:translateY(-2px)}
.btn-whats{background:var(--whats);color:#fff;box-shadow:0 14px 30px -18px rgba(37,211,102,.7)}
.btn-whats:hover{background:#1ebe5b;transform:translateY(-2px);box-shadow:0 22px 40px -18px rgba(37,211,102,.8)}
.btn-outline{border:1.5px solid rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-outline:hover{background:#fff;color:var(--brand)}
.btn-ghost{background:var(--bg-soft);color:var(--ink-2)}
.btn-ghost:hover{background:#eef0f6}
.btn-sm{padding:.55rem 1rem;font-size:.85rem;border-radius:.6rem}

/* ========================= Offer bar ========================= */
.offer-bar{background:linear-gradient(90deg,#0f1e5c 0%,#1E3A8A 50%,#0f1e5c 100%);color:#fff;font-size:.85rem;font-weight:500}
.offer-bar .badge-inline{background:var(--gold);color:var(--brand-ink);padding:.1rem .55rem;border-radius:9999px;font-weight:700;font-size:.75rem;margin:0 .35rem}

/* ========================= Hero ========================= */
.hero{
  position:relative;overflow:hidden;isolation:isolate;
  background:
    radial-gradient(1100px 500px at 82% -10%, rgba(212,175,55,.28), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(255,255,255,.15), transparent 60%),
    linear-gradient(135deg,#0b1436 0%, var(--brand-2) 45%, var(--brand) 100%);
  color:#fff;
}
.hero:before{content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(ellipse at 30% 40%, #000 30%, transparent 70%);
  pointer-events:none;z-index:-1;
}
.hero-badge{display:inline-flex;align-items:center;gap:.4rem;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff;padding:.4rem .85rem;border-radius:9999px;font-size:.78rem;font-weight:500;backdrop-filter:blur(6px)}
.hero-badge .dot{width:.5rem;height:.5rem;border-radius:9999px;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.25)}
.hero-photo{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-lg)}
.hero-photo img{aspect-ratio:4/5;width:100%;object-fit:cover;transform:scale(1.02)}
.hero-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(11,20,54,0) 60%, rgba(11,20,54,.3) 100%)}
.hero-float{position:absolute;background:#fff;color:var(--ink);border-radius:var(--r);padding:.85rem 1rem;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:.7rem}
.hero-float.top{top:1.2rem;left:-1rem}
.hero-float.bottom{bottom:1.2rem;right:-1rem}
@media(max-width:640px){.hero-float{display:none}}

/* ========================= Section header ========================= */
.section-head{text-align:center;max-width:720px;margin:0 auto 2.5rem}
.section-head h2{font-size:clamp(1.75rem,3.2vw,2.5rem);margin:.65rem 0}
.section-head p{color:var(--muted);font-size:1.05rem}

/* ========================= Cards ========================= */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}

/* ========================= Product card (normalized mockup) ========================= */
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;position:relative;transition:all .35s ease}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.product-shot{
  position:relative;aspect-ratio:1/1;
  background:
    radial-gradient(closest-side at 50% 60%, rgba(30,58,138,.07), transparent 70%),
    linear-gradient(180deg,#fbfbfd 0%, #f1f3f9 100%);
  display:flex;align-items:center;justify-content:center;padding:14%;overflow:hidden;
}
.product-shot img{width:100%;height:100%;object-fit:cover;border-radius:.5rem;transition:transform .5s ease}
.product-card:hover .product-shot img{transform:scale(1.05)}
.product-shot:after{content:"";position:absolute;left:10%;right:10%;bottom:8%;height:14px;border-radius:50%;background:radial-gradient(ellipse at center, rgba(10,19,64,.18), transparent 70%);filter:blur(4px)}
.product-body{padding:1rem 1.1rem 1.2rem}
.product-title{font-family:'Poppins',sans-serif;font-weight:600;color:var(--ink);font-size:1rem}
.product-meta{color:var(--muted);font-size:.78rem;margin-top:.15rem}
.product-row{display:flex;align-items:center;justify-content:space-between;margin-top:.8rem;gap:.5rem}
.price{font-family:'Poppins',sans-serif;color:var(--brand);font-weight:700}
.badge{position:absolute;top:.9rem;left:.9rem;z-index:2;background:var(--gold);color:var(--brand-ink);font-weight:700;font-size:.7rem;padding:.3rem .6rem;border-radius:9999px;letter-spacing:.3px;box-shadow:var(--shadow-sm)}
.badge-dark{background:var(--ink);color:#fff}

/* ========================= Feature tile ========================= */
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:1.5rem;transition:all .3s ease}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.feature-ico{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eaf0ff,#f6e6a6);color:var(--brand);font-size:1.4rem;margin-bottom:1rem}

/* ========================= Why us (split with image) ========================= */
.why-item{display:flex;gap:1rem;align-items:flex-start}
.why-ico{flex:none;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(30,58,138,.08);color:var(--brand);font-size:1.2rem}

/* ========================= Testimonials ========================= */
.t-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:1.5rem;transition:all .3s ease}
.t-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.stars{color:var(--gold);letter-spacing:2px;font-size:1rem}
.avatar{width:44px;height:44px;border-radius:9999px;object-fit:cover;background:var(--bg-soft)}

/* ========================= FAQ ========================= */
details.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1rem 1.25rem;transition:all .25s ease}
details.faq[open]{border-color:#c9d2ea;box-shadow:var(--shadow-sm)}
details.faq>summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-family:'Poppins',sans-serif;font-weight:600;color:var(--ink)}
details.faq>summary::-webkit-details-marker{display:none}
.faq-ico{width:26px;height:26px;border-radius:9999px;background:var(--bg-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:transform .25s ease}
details.faq[open] .faq-ico{transform:rotate(45deg);background:var(--brand);color:#fff}
details.faq p{margin-top:.75rem;color:var(--muted)}

/* ========================= Strip CTA ========================= */
.strip{background:
  radial-gradient(700px 300px at 10% 0%, rgba(212,175,55,.22), transparent 60%),
  linear-gradient(135deg,var(--brand-2),var(--brand));color:#fff;border-radius:var(--r-xl)}

/* ========================= Footer ========================= */
.site-footer{background:#080d22;color:#c5cbdc}
.site-footer a:hover{color:var(--gold)}

/* ========================= Floating WhatsApp ========================= */
.fab-whats{position:fixed;right:1.1rem;bottom:1.1rem;z-index:60;width:62px;height:62px;border-radius:9999px;background:var(--whats);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 16px 30px -10px rgba(37,211,102,.55);animation:pulse 2.2s infinite}
.fab-whats:hover{background:#1ebe5b}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,.55)}
  70%{box-shadow:0 0 0 22px rgba(37,211,102,0)}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}
}

/* ========================= Lang toggle ========================= */
.lang-toggle{display:inline-flex;border:1px solid var(--line);border-radius:9999px;overflow:hidden;font-size:.78rem;font-weight:600}
.lang-toggle button{padding:.35rem .7rem;background:#fff;color:var(--muted);border:0;cursor:pointer}
.lang-toggle button.active{background:var(--brand);color:#fff}

/* ========================= Map ========================= */
.map-wrap{aspect-ratio:16/10;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line)}

/* ========================= Reveal ========================= */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* ========================= Forms ========================= */
.field{display:block;width:100%;background:#fff;border:1px solid #d7dbe6;border-radius:.75rem;padding:.85rem 1rem;font:inherit;color:var(--ink);transition:border-color .2s, box-shadow .2s}
.field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(30,58,138,.12)}
.label{display:block;font-size:.85rem;font-weight:600;color:var(--ink-2);margin-bottom:.4rem}

/* ========================= Logo ========================= */
.logo{display:inline-flex;align-items:center;gap:.65rem}
.logo-mark{width:40px;height:40px}
.logo-text{line-height:1.05;font-family:'Poppins',sans-serif}
.logo-text .brand-line{display:block;font-weight:800;color:var(--brand);letter-spacing:-.01em;font-size:1.02rem}
.logo-text .sub-line{display:block;font-size:.7rem;font-weight:600;color:var(--gold);letter-spacing:.2em;text-transform:uppercase;margin-top:.1rem}

/* on dark backgrounds */
.on-dark .logo-text .brand-line{color:#fff}
.on-dark .logo-text .sub-line{color:var(--gold)}

/* ========================= Gallery ========================= */
.masonry{column-count:1;column-gap:1rem}
@media(min-width:640px){.masonry{column-count:2}}
@media(min-width:1024px){.masonry{column-count:3}}
.masonry .tile{break-inside:avoid;margin-bottom:1rem;border-radius:var(--r);overflow:hidden;position:relative;background:var(--bg-soft)}
.masonry .tile img{width:100%;display:block;transition:transform .5s ease}
.masonry .tile:hover img{transform:scale(1.04)}
.masonry .tile figcaption{position:absolute;inset:auto 0 0 0;padding:.75rem 1rem;background:linear-gradient(180deg,transparent,rgba(0,0,0,.6));color:#fff;font-size:.85rem;font-weight:500;opacity:0;transition:opacity .3s}
.masonry .tile:hover figcaption{opacity:1}

/* ========================= Blog cards ========================= */
.blog-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:all .3s}
.blog-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.blog-card .cover{aspect-ratio:16/10;overflow:hidden}
.blog-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.blog-card:hover .cover img{transform:scale(1.05)}
.blog-card .meta{padding:1.25rem 1.25rem 1.4rem}
.tag{display:inline-block;background:rgba(30,58,138,.08);color:var(--brand);font-size:.72rem;font-weight:600;padding:.22rem .55rem;border-radius:9999px;letter-spacing:.04em}

/* ========================= Trust badges ========================= */
.trust-row{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}
.trust-chip{display:inline-flex;align-items:center;gap:.55rem;background:#fff;border:1px solid var(--line);border-radius:9999px;padding:.55rem 1rem;font-size:.85rem;color:var(--ink-2);font-weight:500;box-shadow:var(--shadow-sm)}
.trust-chip svg{color:var(--brand)}

/* ========================= Helpers ========================= */
.grid-auto{display:grid;gap:1.25rem}
@media(min-width:640px){.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:768px){.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(min-width:1024px){.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}}

/* Mobile fix */
.menu-btn{display:none}
@media(max-width:1024px){.menu-btn{display:inline-flex}}
.hide-sm{display:initial}
@media(max-width:1024px){.hide-sm{display:none}}
.show-sm{display:none}
@media(max-width:1024px){.show-sm{display:initial}}

/* ========================= Interactive Calculator ========================= */
.calc-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  text-align: left;
}
.calc-card:before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 5px;
  background: linear-gradient(90deg, var(--brand) 0%, var(--gold) 100%);
}
.calc-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
}
@media(min-width:768px) {
  .calc-grid {
    grid-template-columns: 1.20fr 0.80fr;
    gap: 2.5rem;
  }
}
.calc-control {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.calc-select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231E3A8A' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.2rem;
  padding-right: 2.5rem;
  cursor: pointer;
}
.qty-input-group {
  display: flex;
  align-items: center;
  border: 1px solid #d7dbe6;
  border-radius: 0.75rem;
  overflow: hidden;
  background: #fff;
  transition: border-color 0.2s;
}
.qty-input-group:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(30,58,138,.12);
}
.qty-btn {
  width: 48px;
  height: 48px;
  background: var(--bg-soft);
  border: 0;
  font-family: 'Poppins', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--brand);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  user-select: none;
}
.qty-btn:hover {
  background: #eef0f6;
}
.qty-field {
  flex: 1;
  border: 0;
  text-align: center;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--brand);
  padding: 0;
  background: transparent;
  outline: none;
  width: 100%;
}
.qty-field::-webkit-outer-spin-button,
.qty-field::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.calc-result-card {
  background: var(--bg-soft);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
}
.calc-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--line);
}
.calc-total-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.calc-total-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.calc-total-val {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 2.25rem;
  color: var(--brand);
  line-height: 1.1;
  transition: transform 0.12s ease-out;
}
.calc-total-val.pop {
  transform: scale(1.06);
}
.badge-discount {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.calc-bullet-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.calc-bullet {
  display: flex;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 500;
  align-items: center;
}
.calc-bullet svg {
  color: var(--success);
  flex: none;
}

/* =========================================================
   Advanced Premium Responsiveness & Mobile-First Overhaul
   ========================================================= */

/* Core Viewport Guard */
html, body {
  max-width: 100vw !important;
  overflow-x: hidden !important;
  width: 100%;
}

/* Specificity overrides for responsive menu display */
.hidden {
  display: none !important;
}
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
@media (max-width: 1024px) {
  .desktop-nav {
    display: none !important;
  }
  .menu-btn {
    display: inline-flex !important;
  }
  .hide-sm {
    display: none !important;
  }
  .show-sm {
    display: block !important;
  }
  .site-header nav.hide-sm {
    display: none !important;
  }
}

/* Prevent auto-zoom on iOS Safari for form elements */
.field, select.field, textarea.field, input.field {
  font-size: 16px !important;
}

/* Fluid responsive Grid for columns */
.cols-4 {
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1024px) {
  .cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Premium Mobile Drawer Navigation */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 20, 54, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-nav-overlay.drawer-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 310px;
  max-width: 85vw;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 40px rgba(10, 19, 64, 0.15);
  display: flex;
  flex-direction: column;
  padding: 2.25rem 1.75rem;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}
.mobile-nav-drawer.drawer-open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}
.drawer-close-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.drawer-close-btn:hover {
  background: #eef0f6;
  transform: scale(1.05);
}
.drawer-close-btn:active {
  transform: scale(0.95);
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.drawer-links a {
  font-family: 'Poppins', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink-2);
  padding: 0.6rem 0.5rem;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.drawer-links a:hover, .drawer-links a.active {
  color: var(--brand);
  background: var(--bg-soft);
  padding-left: 0.9rem;
}
.drawer-links a:after {
  content: "→";
  opacity: 0;
  transform: translateX(-5px);
  transition: all 0.2s ease;
}
.drawer-links a:hover:after, .drawer-links a.active:after {
  opacity: 1;
  transform: translateX(0);
}

.drawer-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.drawer-lang-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.drawer-lang-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Disable body scroll when drawer is open */
body.drawer-active {
  overflow: hidden !important;
  touch-action: none;
}

/* Clean hide old mobileMenu */
#mobileMenu {
  display: none !important;
}

/* Adjust Floating WhatsApp Positioning to prevent overlaps */
@media (max-width: 768px) {
  .fab-whats {
    bottom: 5.5rem !important;
    right: 1.25rem !important;
    width: 54px !important;
    height: 54px !important;
    z-index: 90 !important;
  }
}
@media (max-width: 480px) {
  .fab-whats {
    bottom: 5.2rem !important;
    right: 1rem !important;
    width: 48px !important;
    height: 48px !important;
  }
}

/* Mobile responsive padding and typographic constraints */
@media (max-width: 480px) {
  .container-x {
    padding-inline: 1.15rem !important;
  }
  .section {
    padding: 3rem 0 !important;
  }
  .title-xl {
    font-size: 1.95rem !important;
    line-height: 1.15;
  }
  .title-lg {
    font-size: 1.55rem !important;
    line-height: 1.2;
  }
  .calc-card {
    padding: 1.65rem 1.25rem !important;
    border-radius: var(--r-lg) !important;
  }
  .calc-result-card {
    padding: 1.35rem 1.25rem !important;
  }
  .calc-total-val {
    font-size: 2.1rem !important;
  }
  .qty-btn {
    width: 42px !important;
    height: 42px !important;
  }
  .btn {
    padding: 0.8rem 1.35rem !important;
    border-radius: 0.75rem !important;
    font-size: 0.95rem !important;
  }
  .grid-auto {
    gap: 1.15rem !important;
  }
}

/* Premium Mobile Sticky Bottom Conversion Bar */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-top: 1px solid var(--line);
  padding: 0.65rem 1.25rem;
  z-index: 98; /* Under drawer overlay */
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 -8px 24px rgba(15,30,92,0.08);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-sticky-bar.visible {
  transform: translateY(0);
}
@media (min-width: 768px) {
  .mobile-sticky-bar {
    display: none !important;
  }
}
.sticky-bar-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.sticky-bar-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--ink);
}
.sticky-bar-sub {
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 600;
}
.sticky-bar-btn {
  padding: 0.5rem 0.9rem !important;
  font-size: 0.82rem !important;
  border-radius: 0.5rem !important;
}

/* Premium Compact Footer Redesign */
.site-footer {
  background: #060b1e !important;
  color: #9aa3bd !important;
  padding: 3rem 0 2rem !important;
  border-top: 1px solid rgba(255, 255, 255, 0.05) !important;
}
.footer-compact-wrap {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.footer-compact-top {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  width: 100%;
}
@media (min-width: 768px) {
  .footer-compact-top {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
  }
}
.footer-tagline {
  font-size: 0.85rem;
  color: #64748b;
  margin-top: 0.5rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-align: center;
}
@media (min-width: 768px) {
  .footer-tagline {
    text-align: left;
  }
}
.footer-contact-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}
.contact-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #cbd5e1;
  transition: all 0.25s ease;
}
.contact-chip:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  color: #fff;
  transform: translateY(-1px);
}
.contact-chip.wa:hover {
  background: rgba(37, 211, 102, 0.15);
  border-color: rgba(37, 211, 102, 0.3);
  color: #25d366;
}
.contact-chip svg {
  display: inline-block;
  vertical-align: middle;
}
.footer-compact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  width: 100%;
}
.footer-compact-links a {
  color: #9aa3bd;
  transition: color 0.2s ease;
}
.footer-compact-links a:hover {
  color: var(--gold);
}
.footer-compact-bottom {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: #64748b;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  width: 100%;
}
@media (min-width: 768px) {
  .footer-compact-bottom {
    flex-direction: row;
    gap: 2rem;
  }
}