/* ==========================================================
   YAMUNA ENGINEERING — SHARED STYLESHEET
   ========================================================== */ :root {
  --navy: #0d2b3e;
  --navy-deep: #082230;
  --teal: #0f5c73;
  --amber: #e88b1c;
  --amber-dark: #c56f0c;
  --ink: #1c2b33;
  --muted: #5c6f79;
  --paper: #f6f8f9;
  --line: #e3e8ea;
  --font-display: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: #fff;
  line-height: 1.65;
}
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
}
h1, h2, h3, h4 {
  color: var(--navy-deep);
  font-weight: 700;
}
a {
  text-decoration: none;
}
img {
  max-width: 100%;
}
.section {
  padding: 88px 0;
}
.section-sm {
  padding: 56px 0;
}
.bg-paper {
  background: var(--paper);
}
.bg-navy {
  background: var(--navy-deep);
}
.eyebrow {
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber-dark);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 3px;
  background: var(--amber);
  display: inline-block;
  border-radius: 2px;
}
.eyebrow.light {
  color: #ffcf94;
}
.lead-muted {
  color: var(--muted);
  font-size: 16px;
}
.btn-amber {
  background: var(--amber);
  border-color: var(--amber);
  color: #fff;
  font-weight: 600;
}
.btn-amber:hover {
  background: var(--amber-dark);
  border-color: var(--amber-dark);
  color: #fff;
}
.btn-outline-light-custom {
  border: 1.5px solid rgba(255, 255, 255, .55);
  color: #fff;
  font-weight: 600;
}
.btn-outline-light-custom:hover {
  background: #fff;
  color: var(--navy-deep);
}
.btn-outline-navy {
  border: 1.5px solid var(--navy);
  color: var(--navy);
  font-weight: 600;
}
.btn-outline-navy:hover {
  background: var(--navy);
  color: #fff;
}
.rounded-xl {
  border-radius: 14px;
}
/* ===== Topbar ===== */
.topbar {
  background: var(--navy-deep);
  color: #cfe1ea;
  font-size: 13.5px;
}
.topbar a {
  color: #cfe1ea;
}
.topbar a:hover {
  color: var(--amber);
}
.topbar .divider {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, .2);
}
/* ===== Navbar ===== */
.navbar-yamuna {
  background: #fff;
  box-shadow: 0 2px 14px rgba(13, 43, 62, .08);
  padding: 14px 0;
}
.navbar-yamuna .navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.navbar-yamuna .navbar-brand .brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: var(--navy-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
}
.navbar-yamuna .brand-text b {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  color: var(--navy-deep);
  line-height: 1.1;
}
.navbar-yamuna .brand-text span {
  display: block;
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 2px;
}
.navbar-yamuna .nav-link {
  font-weight: 600;
  color: var(--ink) !important;
  font-size: 14.5px;
  padding: 10px 14px !important;
}
.navbar-yamuna .nav-link:hover, .navbar-yamuna .nav-link.active {
  color: var(--amber-dark) !important;
}
.navbar-yamuna .dropdown-menu {
  border: none;
  box-shadow: 0 16px 32px rgba(13, 43, 62, .15);
  border-radius: 10px;
  padding: 10px;
  margin-top: 6px;
}
.navbar-yamuna .dropdown-item {
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}
.navbar-yamuna .dropdown-item:hover, .navbar-yamuna .dropdown-item.active {
  background: var(--paper);
  color: var(--amber-dark);
}
.navbar-yamuna .dropdown-item i {
  color: var(--amber-dark);
  width: 18px;
}
/* ===== Page banner (interior pages) ===== */
.page-banner {
  position: relative;
  background: linear-gradient(120deg, var(--navy-deep) 0%, var(--navy) 55%, var(--teal) 130%);
  color: #fff;
  padding: 56px 0;
  overflow: hidden;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, .09) 1px, transparent 0);
  background-size: 26px 26px;
  opacity: .5;
}
.page-banner .inner {
  position: relative;
  z-index: 2;
}
.page-banner h1 {
  color: #fff;
  font-size: clamp(26px, 3.4vw, 38px);
  margin-bottom: 8px;
}
.breadcrumb-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: #c9dbe4;
  font-weight: 500;
}
.breadcrumb-row a {
  color: #c9dbe4;
}
.breadcrumb-row a:hover {
  color: var(--amber);
}
.breadcrumb-row .sep {
  opacity: .5;
}
.breadcrumb-row .current {
  color: var(--amber);
}
/* ===== Hero (home only) ===== */
.hero {
  position: relative;
  background: linear-gradient(120deg, var(--navy-deep) 0%, var(--navy) 55%, var(--teal) 130%);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, .09) 1px, transparent 0);
  background-size: 26px 26px;
  opacity: .5;
}
.hero-inner {
  position: relative;
  z-index: 2;
  padding: 100px 0 90px;
}
.hero h1 {
  color: #fff;
  font-size: clamp(32px, 4.4vw, 54px);
  line-height: 1.12;
  font-weight: 800;
}
.hero h1 .accent {
  color: var(--amber);
}
.hero p.lead-muted {
  color: #c9dbe4;
  max-width: 56ch;
}
.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 34px;
}
.hero-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .18);
  padding: 9px 14px;
  border-radius: 30px;
  font-size: 12.5px;
  font-weight: 600;
  color: #e6eef2;
}
.hero-badge i {
  color: var(--amber);
}
.hero-panel {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 16px;
  padding: 26px;
  backdrop-filter: blur(6px);
}
.hero-panel .stat {
  text-align: center;
  padding: 14px 6px;
}
.hero-panel .stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 30px;
  color: #fff;
  font-weight: 800;
}
.hero-panel .stat span {
  font-size: 11.5px;
  color: #c9dbe4;
  text-transform: uppercase;
  letter-spacing: .06em;
}
/* ===== Product Category cards (home + product index) ===== */
.cat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  height: 100%;
  transition: transform .2s ease, box-shadow .2s ease;
  display: flex;
  flex-direction: column;
}
.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 38px rgba(13, 43, 62, .14);
}
.cat-card .cat-img {
  height: 190px;
  overflow: hidden;
  background: var(--paper);
  position: relative;
}
.cat-card .cat-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.cat-card:hover .cat-img img {
  transform: scale(1.06);
}
.cat-card .cat-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--amber);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 11px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.cat-card .cat-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.cat-card h3 {
  font-size: 18px;
  margin-bottom: 6px;
}
.cat-card p {
  color: var(--muted);
  font-size: 13.5px;
  margin-bottom: 16px;
  flex: 1;
}
.cat-card .cat-link {
  font-weight: 700;
  font-size: 13.5px;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cat-card .cat-link:hover {
  color: var(--amber-dark);
}
/* ===== About ===== */
.about-figure {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
}
.about-figure img {
  width: 100%;
  display: block;
}
.about-badge {
  position: absolute;
  bottom: -1px;
  right: -1px;
  background: var(--amber);
  color: #fff;
  padding: 18px 22px;
  border-radius: 16px 0 0 0;
  text-align: center;
}
.about-badge b {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
}
.about-badge span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.about-copy p {
  color: var(--muted);
  font-size: 15px;
}
.about-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 14.5px;
  color: var(--ink);
}
.about-check i {
  color: var(--amber-dark);
  margin-top: 3px;
}
/* ===== Stats strip ===== */
.stats-strip {
  background: var(--navy-deep);
  color: #fff;
}
.stats-strip .stat {
  text-align: center;
  padding: 28px 10px;
  border-right: 1px solid rgba(255, 255, 255, .12);
}
.stats-strip .col:last-child .stat {
  border-right: none;
}
.stats-strip .stat b {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--amber);
  display: block;
}
.stats-strip .stat span {
  font-size: 12.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #c9dbe4;
}
/* ===== Quality Assurance ===== */
.qa-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}
.qa-list .item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--paper);
  border-radius: 10px;
  padding: 14px 18px;
}
.qa-list .item .ic {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  background: var(--navy-deep);
  color: var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.qa-list .item b {
  font-size: 14.5px;
  color: var(--ink);
}
/* ===== Why us ===== */
.why-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 30px;
  height: 100%;
}
.why-card .ic-wrap {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: var(--navy-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.why-card .ic-wrap i {
  color: var(--amber);
  font-size: 22px;
}
.why-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}
.why-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}
.why-card ul li {
  margin-bottom: 6px;
}
.why-card p {
  color: var(--muted);
  font-size: 14px;
}
/* ===== Gallery ===== */
.gal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.gal-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 1/0.85;
  background: var(--paper);
  cursor: pointer;
  border: 0;
  padding: 0;
}
.gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.gal-item:hover img {
  transform: scale(1.08);
}
.gal-item .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(8, 34, 48, .75), transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 12px;
  opacity: 0;
  transition: opacity .25s ease;
}
.gal-item:hover .overlay {
  opacity: 1;
}
.gal-item .overlay span {
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
}
.gal-filter {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.gal-filter button {
  border: 1.5px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
  padding: 8px 18px;
  border-radius: 30px;
  transition: all .15s ease;
}
.gal-filter button.active, .gal-filter button:hover {
  background: var(--navy-deep);
  color: #fff;
  border-color: var(--navy-deep);
}
/* ===== Video cards ===== */
.video-card {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
}
.video-card .ratio {
  background: var(--navy-deep);
}
.video-card .video-body {
  padding: 18px 20px;
}
.video-card h3 {
  font-size: 16px;
  margin-bottom: 4px;
}
.video-card p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}
/* ===== Contact ===== */
.contact-info-card {
  background: var(--navy-deep);
  color: #fff;
  border-radius: 16px;
  padding: 38px 32px;
  height: 100%;
}
.contact-info-card h3 {
  color: #fff;
}
.contact-info-card .row-item {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
}
.contact-info-card .row-item .ic {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info-card .row-item .ic i {
  color: var(--amber);
}
.contact-info-card .row-item b {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #a9c2cd;
  margin-bottom: 3px;
}
.contact-info-card .row-item span, .contact-info-card .row-item a {
  color: #fff;
  font-size: 14.5px;
  font-weight: 500;
}
.contact-form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 38px 32px;
  box-shadow: 0 20px 44px rgba(13, 43, 62, .08);
}
.form-label {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--muted);
}
.form-control, .form-select {
  border: 1.5px solid var(--line);
  padding: 11px 14px;
  border-radius: 9px;
  font-size: 14.5px;
}
.form-control:focus, .form-select:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 .2rem rgba(232, 139, 28, .15);
}
.map-embed {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.map-embed iframe {
  width: 100%;
  height: 340px;
  border: 0;
  display: block;
}
/* ===== Product detail pages ===== */
.product-block {
  border-bottom: 1px solid var(--line);
  padding: 56px 0;
}
.product-block:last-child {
  border-bottom: none;
}
.product-block .p-img {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper);
}
.product-block .p-img img {
  width: 100%;
  display: block;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.product-block .p-capacity {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-deep);
  margin-bottom: 16px;
}
.product-block .p-capacity i {
  color: var(--amber-dark);
}
.product-block ul.feat-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}
.product-block ul.feat-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14.5px;
  color: var(--ink);
  margin-bottom: 10px;
}
.product-block ul.feat-list li i {
  color: var(--amber-dark);
  margin-top: 3px;
  flex-shrink: 0;
}
.product-side-nav {
  background: var(--paper);
  border-radius: 14px;
  padding: 24px;
  position: sticky;
  top: 100px;
}
.product-side-nav h4 {
  font-size: 15px;
  margin-bottom: 14px;
}
.product-side-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.product-side-nav li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 11px 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.product-side-nav li:last-child a {
  border-bottom: none;
}
.product-side-nav li a.active, .product-side-nav li a:hover {
  color: var(--amber-dark);
}
.product-side-nav .cta-box {
  background: var(--navy-deep);
  border-radius: 12px;
  padding: 20px;
  margin-top: 20px;
  text-align: center;
}
.product-side-nav .cta-box p {
  color: #c9dbe4;
  font-size: 12.5px;
  margin-bottom: 12px;
}
/* ===== Sitemap page ===== */
.sitemap-col h4 {
  font-size: 16px;
  border-bottom: 2px solid var(--amber);
  display: inline-block;
  padding-bottom: 8px;
  margin-bottom: 16px;
}
.sitemap-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sitemap-col ul li {
  margin-bottom: 10px;
}
.sitemap-col ul li a {
  color: var(--muted);
  font-size: 14.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sitemap-col ul li a:hover {
  color: var(--amber-dark);
}
.sitemap-col ul li a i {
  color: var(--amber-dark);
  font-size: 11px;
}
/* ===== Footer ===== */
.footer {
  background: var(--navy-deep);
  color: #c9dbe4;
  padding-top: 70px;
}
.footer h5 {
  color: #fff;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer .f-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer .f-brand b {
  color: #fff;
  font-family: var(--font-display);
  font-size: 19px;
}
.footer p {
  color: #a9c2cd;
  font-size: 14px;
}
.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer ul a {
  color: #a9c2cd;
  font-size: 14px;
}
.footer ul a:hover {
  color: var(--amber);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  margin-top: 50px;
  padding: 22px 0;
  font-size: 13px;
  color: #8fabb8;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.social-row {
  display: flex;
  gap: 10px;
}
.social-row a {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: rgba(255, 255, 255, .08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.social-row a:hover {
  background: var(--amber);
}
/* floating whatsapp */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 400;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 12px 26px rgba(0, 0, 0, .25);
}
/* lightbox */
.lightbox-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 15, 20, .92);
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
}
.lightbox-backdrop.show {
  display: flex;
}
.lightbox-backdrop img {
  max-width: min(900px, 92vw);
  max-height: 86vh;
  border-radius: 10px;
}
.lightbox-close {
  position: absolute;
  top: 22px;
  right: 26px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .3);
  font-size: 18px;
}
@media (max-width:991px) {
  .gal-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-panel {
    margin-top: 36px;
  }
  .product-side-nav {
    position: static;
    margin-bottom: 30px;
  }
}
@media (max-width:767px) {
  .stats-strip .stat {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }
}
.bg {
  background: url("../images/bg.png");
  background-attachment: fixed;
  background-position: bottom;
  background-repeat: repeat-x;
  background-size: cover;
}

.bg-download {
	background-color: #035398;
}