:root {
  --brand: #ea6f2b;
  --brand-dark: #d55f1c;
  --text: #1a1a1a;
  --muted: #6b7280;
  --soft: #fdf3ec;
}

* { box-sizing: border-box; }
body {
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  margin: 0;
  overflow-x: hidden;
}

a { text-decoration: none; }

.min-vh-90 { min-height: 90vh; }

/* Header */
.site-header {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 20;
  background: rgba(255,255,255,0.96);
  box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}
.navbar { padding: 12px 0; }
.navbar-brand img { object-fit: contain; }
.navbar .nav-link {
  color: #1a1a1a;
  font-weight: 500;
  padding: 30px 6px !important;
  position: relative;
}
.navbar .nav-link.active,
.navbar .nav-link:hover { color: var(--brand); }
.navbar .nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%; transform: translateX(-50%);
  bottom: 22px;
  width: 20px; height: 2px;
  background: var(--brand);
}

.btn-cta {
  background: var(--brand);
  color: #fff;
  border-radius: 999px;
  padding: 14px 26px;
  font-weight: 600;
  border: none;
  transition: .3s;
  display: inline-flex; align-items: center;
}
.btn-cta:hover { background: var(--brand-dark); color:#fff; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: 100px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('https://ogengg.com/wp-content/uploads/2025/08/banner3.jpg') center/cover no-repeat;
  filter: brightness(.55);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,.7) 0%, rgba(0,0,0,.25) 60%, rgba(0,0,0,.4) 100%);
}
.hero-eyebrow {
  color: #fff;
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  position: relative;
  padding-left: 40px;
  margin-bottom: 20px;
}
.hero-eyebrow::before {
  content:""; position:absolute; left:0; top:50%;
  width:30px; height:2px; background: var(--brand);
}
.hero-title {
  font-size: clamp(38px, 6vw, 78px);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 17px;
  max-width: 560px;
  color: #eee;
  margin-bottom: 12px;
}
.hero-side {
  position: absolute;
  right: 30px; top: 50%; transform: translateY(-50%);
  flex-direction: column;
  align-items: center;
  color: #fff;
  z-index: 5;
}
.hero-side-item {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  padding: 10px 0;
  font-size: 14px;
  letter-spacing: 2px;
}
.hero-side-divider {
  width: 1px; height: 60px;
  background: rgba(255,255,255,.5);
  margin: 8px 0;
}
.hero-arrows {
  position: absolute;
  bottom: 30px; right: 100px;
  display: flex; gap: 10px;
  z-index: 5;
}
.arrow-btn {
  width: 60px; height: 60px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.5);
  background: transparent;
  color: #fff;
  transition: .3s;
}
.arrow-btn:hover, .arrow-btn-active { background: var(--brand); border-color: var(--brand); }

/* Sections */
.section-eyebrow {
  color: var(--brand);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  position: relative;
  padding-left: 40px;
  margin-bottom: 16px;
}
.section-eyebrow::before {
  content:""; position:absolute; left:0; top:50%;
  width:30px; height:2px; background: var(--brand);
}
.section-title {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 700;
  line-height: 1.15;
  color: #111;
}
.text-muted { color: var(--muted) !important; }

.about-image-wrap img {
  width: 100%;
  height: 620px;
  object-fit: cover;
}

.about-tabs { border-bottom: 1px solid #eee; gap: 30px; }
.about-tabs .nav-link {
  border: none; color: var(--muted);
  padding: 10px 0; font-weight: 600;
  background: transparent;
  border-bottom: 2px solid transparent;
}
.about-tabs .nav-link.active {
  color: var(--brand);
  border-bottom-color: var(--brand);
  background: transparent;
}

/* Value cards */
.section-values { background: #fff; }
.value-card {
  background: var(--soft);
  border-radius: 20px;
  padding: 40px 30px;
  height: 100%;
  transition: .3s;
}
.value-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(234,111,43,.15); }
.value-icon {
  width: 70px; height: 70px;
  border-radius: 50%;
  background: #fff;
  color: var(--brand);
  display:flex; align-items:center; justify-content:center;
  font-size: 28px;
  margin-bottom: 20px;
}
.value-card h4 { font-weight: 700; margin-bottom: 10px; }
.value-card p { color: var(--muted); margin: 0; }

/* Quote */
.section-quote { background: #fafafa; }
.quote-form .form-control {
  border-radius: 10px;
  padding: 14px 16px;
  border: 1px solid #e5e7eb;
  background: #fff;
}
.quote-form .form-control:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(234,111,43,.15);
}
.quote-form .form-label { font-weight: 500; font-size: 14px; }

/* Footer */
.site-footer {
  background: #0f1720 url('https://ogengg.com/wp-content/uploads/2024/09/shape-2.png') right bottom/contain no-repeat;
  color: #cbd5e1;
}
.footer-title { color:#fff; font-weight: 600; margin-bottom: 16px; font-size: 18px; }
.footer-list { list-style:none; padding:0; margin:0; }
.footer-list li { margin-bottom: 8px; }
.footer-list a, .site-footer a { color:#cbd5e1; transition:.2s; }
.footer-list a:hover, .site-footer a:hover { color: var(--brand); }
.footer-hr { border-color: rgba(255,255,255,.1); margin: 30px 0 20px; }

/* Floating */
.whatsapp-float {
  position: fixed;
  bottom: 25px; right: 25px;
  width: 55px; height: 55px;
  background: #25d366;
  color: #fff !important;
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  font-size: 28px;
  z-index: 100;
  box-shadow: 0 6px 20px rgba(0,0,0,.2);
}
.scroll-top {
  position: fixed;
  bottom: 25px; right: 90px;
  width: 45px; height: 45px;
  background: var(--brand);
  color: #fff !important;
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  z-index: 100;
}

@media (max-width: 991px) {
  .site-header { position: relative; }
  .hero { padding-top: 0; }
  .navbar .nav-link { padding: 10px 0 !important; }
  .hero-side, .hero-arrows { display: none !important; }
  .about-image-wrap img { height: 400px; }
}

/* ============ Carousel Slider ============ */
.hero-carousel { position: relative; overflow: hidden; }
.carousel, .carousel-inner, .carousel-item { height: 80vh; min-height: 700px; }
.hero-slide {
  position: relative;
  width: 100%; height: 100%;
}
.carousel-item {
  background-image: var(--bg);
  background-size: cover;
  background-position: center;
}
.carousel-item::before {
  content:""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,.75) 0%, rgba(0,0,0,.35) 55%, rgba(0,0,0,.55) 100%);
}
.hero-slide > .container-fluid { position: relative; z-index: 2; padding-top: 0px; }

.arrow-prev, .arrow-next {
  position: absolute;
  bottom: 40px;
  z-index: 6;
}
.arrow-prev { right: 170px; }
.arrow-next { right: 100px; }

.hero-dots {
  position: absolute;
  bottom: 120px;
  left: 5%;
  right: auto;
  margin: 0;
  z-index: 6;
}
.hero-dots button {
  width: 40px !important;
  height: 3px !important;
  background: rgba(255,255,255,.4) !important;
  border: none !important;
  opacity: 1 !important;
  margin: 0 4px !important;
  border-radius: 2px;
  transition: .3s;
}
.hero-dots button.active { background: var(--brand) !important; width: 60px !important; }

/* Header solid variant for inside pages */
.site-header-solid { position: relative; background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.06); }

/* Page banner */
.page-banner {
  padding: 140px 20px 90px;
  background: linear-gradient(rgba(0,0,0,.65),rgba(0,0,0,.65)), url('https://ogengg.com/wp-content/uploads/2025/08/banner3.jpg') center/cover;
  color: #fff;
  text-align: left;
  margin-top: -1px;
}
.banner-title {
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 700;
  line-height: 1.1;
  max-width: 850px;
  margin-bottom: 20px;
}
.banner-sub { max-width: 700px; color: #eee; font-size: 17px; }

/* Certificate card */
.cert-card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 20px;
  padding: 20px 28px;
  text-align: center;
  height: 100%;
  transition: .3s;
}
.cert-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(234,111,43,.15); border-color: transparent; }
.cert-badge {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--soft);
  color: var(--brand);
  display:flex; align-items:center; justify-content:center;
  font-size: 34px;
  margin: 0 auto 20px;
}
.cert-card h4, .cert-card h5 { font-weight: 700; margin-bottom: 8px; }

/* Dropdown menus */
.navbar .dropdown-menu { border-radius: 12px; border: 1px solid rgba(0,0,0,.06); box-shadow: 0 12px 32px rgba(0,0,0,.08); padding: .5rem; min-width: 240px; }
.navbar .dropdown-item { padding: .55rem .85rem; border-radius: 8px; font-weight: 500; }
.navbar .dropdown-item:hover, .navbar .dropdown-item:focus { background: #fff2ea; color: #ea6f2b; }
.navbar .nav-link.dropdown-toggle::after { margin-left: .35rem; }
@media (min-width: 992px){
  .navbar .dropdown:hover > .dropdown-menu { display: block; }
  .dropdown-submenu { position: relative; }
  .dropdown-submenu > .dropdown-submenu-menu { top: 0; left: 100%; margin-top: -.5rem; margin-left: .25rem; display: none; position: absolute; }
  .dropdown-submenu:hover > .dropdown-submenu-menu,
  .dropdown-submenu-menu.show { display: block; }
}
@media (max-width: 991.98px){
  .dropdown-submenu-menu { padding-left: 1rem; }
}
.service-list li { padding: .4rem 0; border-bottom: 1px dashed rgba(0,0,0,.08); }
.service-list li:last-child { border-bottom: 0; }