/* ============================================================
   KEEPAVER — Kelvin Eng Enterprise Sdn Bhd
   Theme: Red (primary) / White-Gray (bg) / Black (secondary)
   Framework: Bootstrap 5 + Iconify
   ============================================================ */

:root {
  --bs-primary: #d62828;
  --bs-primary-rgb: 214, 40, 40;
  --keep-red: #d62828;
  --keep-red-dark: #b51d1d;
  --keep-red-darker: #8f1616;
  --keep-black: #1a1a1a;
  --keep-dark: #15171a;
  --keep-gray: #f5f6f7;
  --keep-gray-2: #eceef0;
  --keep-muted: #6b7177;
  --keep-border: #e3e6e9;
  --keep-shadow: 0 18px 40px rgba(20, 23, 26, 0.08);
  --keep-radius: 16px;
}

/* ---------- Base ---------- */
body {
  font-family: "Poppins", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--keep-black);
  background: #fff;
  line-height: 1.7;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 { font-family: "Poppins", "Segoe UI", sans-serif; font-weight: 700; color: var(--keep-black); line-height: 1.25; }
a { color: var(--keep-red); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--keep-red-dark); }
.lead { color: var(--keep-muted); }

/* Prevent any image from being distorted (keep aspect ratio) */
img { max-width: 100%; }
.product-thumb img, .project-card img, .hero-video,
.why-img img, .rounded-4, .cert-logo { object-fit: cover; }

/* ---------- Buttons ---------- */
.btn { font-weight: 600; border-radius: 50px; padding: .72rem 1.6rem; letter-spacing: .2px; }
.btn-red { background: var(--keep-red); color: #fff; border-color: var(--keep-red); box-shadow: 0 10px 24px rgba(var(--bs-primary-rgb), .28); }
.btn-red:hover { background: var(--keep-red-dark); color: #fff; border-color: var(--keep-red-dark); transform: translateY(-2px); }
.btn-outline-red { color: var(--keep-red); border: 2px solid var(--keep-red); background: transparent; }
.btn-outline-red:hover { background: var(--keep-red); color: #fff; }
.btn-dark-keep { background: var(--keep-black); color: #fff; border-color: var(--keep-black); }
.btn-dark-keep:hover { background: var(--keep-red); border-color: var(--keep-red); color: #fff; }
.btn-light-keep { background: #fff; color: var(--keep-black); border-color: #fff; }
.btn-light-keep:hover { background: var(--keep-gray); color: var(--keep-red); }
.btn-whatsapp { background: #25D366; color: #fff; border-color: #25D366; box-shadow: 0 10px 24px rgba(37,211,102,.28); display: inline-flex; align-items: center; justify-content: center; }
.btn-whatsapp:hover { background: #1ebe5b; color: #fff; border-color: #1ebe5b; transform: translateY(-2px); }

/* ---------- Top bar ---------- */
.topbar { background: transparent; color: #e9ecef; font-size: .85rem; border-bottom: 1px solid rgba(255,255,255,.15); transition: background .35s ease, opacity .35s ease; }
.topbar a { color: #e9ecef; }
.topbar a:hover { color: #fff; }
.topbar .topbar-item { display: inline-flex; align-items: center; gap: .5rem; padding: .55rem 1.1rem; border-right: 1px solid rgba(255,255,255,.15); }
.topbar .topbar-item:last-child { border-right: 0; }
.topbar .topbar-link { text-decoration: none; cursor: pointer; transition: color .2s ease, transform .2s ease; }
.topbar .topbar-link:hover { color: var(--keep-red); transform: translateY(-1px); }
.topbar iconify-icon { color: var(--keep-red); font-size: 1.1rem; }
.topbar .topbar-social iconify-icon { color: white; font-size: 1.1rem; }
.topbar .topbar-social a { width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: rgba(255,255,255,.12); margin-left: .35rem; }
.topbar .topbar-social a:hover { background: var(--keep-red); color: #fff; }

/* ---------- Header / Nav (glass overlay) ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1030;
  background: rgba(255, 255, 255, 0.07);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  backdrop-filter: blur(16px) saturate(150%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: .55rem 0;
  transition: background .35s ease, box-shadow .35s ease, padding .35s ease, border-color .35s ease;
}
/* top (over hero) state: white text + white logo */
.site-header:not(.scrolled) .site-nav .nav-link { color: #fff; }
.site-header:not(.scrolled) .site-nav .nav-link:hover,
.site-header:not(.scrolled) .site-nav .nav-link.active { color: #fff; }
.site-header:not(.scrolled) .navbar-toggler-icon { filter: invert(1) grayscale(100%); }
/* scrolled state: solid glass, dark text, smaller */
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.9);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  backdrop-filter: blur(18px) saturate(180%);
  box-shadow: 0 6px 24px rgba(20, 23, 26, .1);
  border-bottom-color: var(--keep-border);
  padding: .15rem 0;
}
.site-header.scrolled .topbar { display: none !important; }
.navbar-brand img { height: 88px; width: auto; transition: height .35s ease, filter .35s ease; }
.site-header.scrolled .navbar-brand img { height: 56px; filter: none; }
.navbar-brand .brand-text { font-weight: 800; font-size: 1.35rem; color: var(--keep-black); letter-spacing: -.5px; }
.navbar-brand .brand-text span { color: var(--keep-red); }
.site-nav .nav-link { font-weight: 600; color: var(--keep-black); padding: .9rem 1rem !important; position: relative; transition: color .25s ease; }
.site-nav .nav-link:not(.dropdown-toggle)::after { content: ""; position: absolute; left: 1rem; right: 1rem; bottom: .55rem; height: 2px; background: var(--keep-red); transform: scaleX(0); transform-origin: left; transition: transform .3s ease; }
.site-nav .nav-link:hover, .site-nav .nav-link.active { color: var(--keep-red); }
.site-nav .nav-link:not(.dropdown-toggle):hover::after, .site-nav .nav-link.active:not(.dropdown-toggle)::after { transform: scaleX(1); }
.site-nav .nav-item.dropdown .dropdown-menu { display: block; opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .25s ease, visibility .25s ease, transform .25s ease; border: 0; border-radius: 12px; box-shadow: var(--keep-shadow); margin-top: .4rem; }
.site-nav .dropdown-menu .dropdown-item { font-weight: 500; padding: .55rem 1.1rem; border-radius: 8px; transition: background .2s ease, color .2s ease; }
.site-nav .dropdown-menu .dropdown-item:hover { background: var(--keep-gray); color: var(--keep-red); }
@media (min-width: 992px) {
  .site-nav .nav-item.dropdown:hover > .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
  .site-nav .nav-item.dropdown:hover > .nav-link.dropdown-toggle::after { transform: rotate(180deg); }
}
.navbar-toggler:focus { box-shadow: none; }
.request-quote-btn { display: inline-flex; align-items: center; gap: .45rem; }

/* ---------- Technical pages ---------- */
.tech-doc-card { display: flex; align-items: center; gap: 1rem; background: #fff; border: 1px solid #ececec; border-radius: 14px; padding: 1.1rem 1.25rem; text-decoration: none; color: var(--keep-black); box-shadow: var(--keep-shadow); transition: transform .2s ease, box-shadow .2s ease; }
.tech-doc-card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(20,23,26,.14); color: var(--keep-black); }
.tech-doc-icon { display: grid; place-items: center; width: 48px; height: 48px; flex: 0 0 48px; border-radius: 12px; background: rgba(214,40,40,.1); color: var(--keep-red); font-size: 1.6rem; }
.tech-doc-body { display: flex; flex-direction: column; line-height: 1.35; flex: 1; }
.tech-doc-body small { color: #8a9095; }
.tech-doc-arrow { color: var(--keep-red); font-size: 1.4rem; }
.info-card { background: #fff; border: 1px solid #ececec; border-radius: 14px; padding: 1.6rem 1.4rem; height: 100%; box-shadow: var(--keep-shadow); }
.info-card .info-num { font-weight: 800; font-size: 1.4rem; color: var(--keep-red); }
.info-card h3 { font-size: 1.15rem; margin: .6rem 0 .5rem; }
.info-card p { margin: 0; color: #5a6166; font-size: .95rem; }
.tech-list { list-style: none; padding: 0; margin: 0; }
.tech-list li { display: flex; gap: .7rem; align-items: flex-start; padding: .55rem 0; color: #4a5156; }
.tech-list iconify-icon { color: var(--keep-red); font-size: 1.3rem; flex: 0 0 auto; margin-top: .1rem; }

/* ---------- Section helpers ---------- */
.section { padding: 90px 0; }
.section-gray { background: var(--keep-gray); }
.section-dark { background: var(--keep-dark); color: #fff; }
.section-dark h1, .section-dark h2, .section-dark h3 { color: #fff; }
.heading-main { text-align: center; margin-bottom: 3rem; }
.heading-main .eyebrow { display: inline-block; color: var(--keep-red); font-weight: 700; letter-spacing: 3px; text-transform: uppercase; font-size: .8rem; margin-bottom: .6rem; }
.heading-main h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin: 0; }
.heading-main.text-start { text-align: left; }

/* ---------- Hero slider ---------- */
.hero-slider { position: relative; height: 100vh; min-height: 560px; overflow: hidden; background: var(--keep-black); }
.hero-slider .carousel, .hero-slider .carousel-inner, .hero-slider .carousel-item { height: 100%; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.12); }
.carousel-item.active .hero-bg { animation: kenburns 8s ease-out forwards; }
/* hero video background (slide 1) */
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); }
.carousel-item.active .hero-video { animation: kenburns 12s ease-out forwards; }
@keyframes kenburns { from { transform: scale(1.12); } to { transform: scale(1); } }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(105deg, rgba(20,23,26,.82) 0%, rgba(20,23,26,.45) 55%, rgba(20,23,26,.15) 100%); }
.hero-content { position: relative; z-index: 3; height: 100%; display: flex; flex-direction: column; justify-content: center; top: 60px;}
.hero-eyebrow { display: inline-flex; align-items: center; gap: .5rem; color: #fff; background: rgba(var(--bs-primary-rgb), .92); padding: .4rem 1rem; border-radius: 50px; font-weight: 600; font-size: .8rem; letter-spacing: 1px; width: fit-content; margin-bottom: 1.3rem; }
.hero-title { color: #fff; font-size: clamp(2.2rem, 5.5vw, 4rem); line-height: 1.08; margin-bottom: 1.2rem; font-weight: 800; }
.hero-title .accent { color: #ff6b6b; }
.hero-sub { color: #e7eaec; font-size: 1.1rem; max-width: 560px; margin-bottom: 1.8rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.hero-actions .btn-light-keep iconify-icon { color: var(--keep-red); }
/* caption entrance animation */
.carousel-item .hero-eyebrow, .carousel-item .hero-title, .carousel-item .hero-sub, .carousel-item .hero-actions { opacity: 0; transform: translateY(45px); }
.carousel-item.active .hero-eyebrow { animation: heroUp .8s .25s ease forwards; }
.carousel-item.active .hero-title { animation: heroUp .9s .45s ease forwards; }
.carousel-item.active .hero-sub { animation: heroUp .9s .65s ease forwards; }
.carousel-item.active .hero-actions { animation: heroUp .9s .85s ease forwards; }
@keyframes heroUp { to { opacity: 1; transform: translateY(0); } }
.hero-slider .carousel-indicators { bottom: 28px; z-index: 4; }
.hero-slider .carousel-indicators [data-bs-target] { width: 36px; height: 5px; border-radius: 4px; background: rgba(255,255,255,.5); border: 0; }
.hero-slider .carousel-indicators .active { background: var(--keep-red); }
.hero-slider .carousel-control-prev, .hero-slider .carousel-control-next { width: 6%; z-index: 4; top: 60px;}

/* ---------- Stat band ---------- */
.stat-band { background: var(--keep-red); color: #fff; }
.stat-band .stat { text-align: center; padding: 1.4rem .5rem; border-right: 1px solid rgba(255,255,255,.18); }
.stat-band .stat:last-child { border-right: 0; }
.stat-band .stat .num { font-size: 2.4rem; font-weight: 800; line-height: 1; display: block; }
.stat-band .stat .lbl { font-size: .85rem; opacity: .92; letter-spacing: .5px; }

/* ---------- Feature / icon cards ---------- */
.feature-card { background: #fff; border: 1px solid var(--keep-border); border-radius: var(--keep-radius); padding: 1.5rem; height: 100%; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;}
.feature-card:hover { transform: translateY(-8px); border-color: transparent;  border: 1px solid var(--keep-border); }
.feature-card .ico { width: 64px; height: 64px; border-radius: 14px; background: var(--keep-gray); color: var(--keep-red); display: inline-flex; align-items: center; justify-content: center; font-size: 1.9rem; margin-bottom: 1.2rem; transition: background .3s ease, color .3s ease; }
.feature-card:hover .ico { background: var(--keep-red); color: #fff; }
.feature-card h3 { font-size: 1.2rem; margin-bottom: .6rem; }
.feature-card p { color: var(--keep-muted); margin: 0; font-size: .95rem; }
.feature-num { position: absolute; top: 1.4rem; right: 1.6rem; font-size: 2.6rem; font-weight: 800; color: var(--keep-gray-2); }
.feature-img { border-radius: var(--keep-radius); overflow: hidden; box-shadow: var(--keep-shadow); object-fit: cover; width: 100%; height: 100%; }
.feature-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }

.section-dark .feature-card { background: #20242a; border-color: #2c3138; }
.section-dark .feature-card h3 { color: #fff; }
.section-dark .feature-card p { color: #aab0b6; }
.section-dark .feature-card .ico { background: rgba(var(--bs-primary-rgb), .18); }

/* ---------- Why (two col) ---------- */
.why-img { border-radius: var(--keep-radius); overflow: hidden; box-shadow: var(--keep-shadow); }
.about-gallery { display: grid; gap: 1.25rem; }
.about-gallery-main { width: 90%; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 22px; box-shadow: var(--keep-shadow); }
.about-gallery-main img, .about-gallery-secondary { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.about-gallery-secondary { position: relative; z-index: 2; top: -5.5rem; width: 78%; justify-self: end; aspect-ratio: 16 / 9; border: 6px solid #fff; border-radius: 18px; box-shadow: var(--keep-shadow); }
.about-gallery:hover .about-gallery-main img { transform: scale(1.04); }
.about-gallery:hover .about-gallery-secondary { transform: translateY(-5px); }

.video-intro {
  margin-top: 1.5rem;
  width: 100%;
}
.video-intro video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--keep-radius);
  box-shadow: var(--keep-shadow);
}

/* Infrastructure video & image equal height */
.section-dark .row.g-4.mb-4 video,
.section-dark .row.g-4.mb-4 img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}
.why-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.why-list li { display: flex; gap: .9rem; padding: .7rem 0; align-items: flex-start; }
.why-list iconify-icon { color: var(--keep-red); font-size: 1.5rem; flex: none; margin-top: .15rem; }

/* ---------- Counters ---------- */
.counter-box { text-align: center; padding: 1rem; }
.counter-box .ico { font-size: 2.4rem; color: var(--keep-red); margin-bottom: .6rem; }
.counter-box .num { font-size: 3rem; font-weight: 800; color: var(--keep-black); line-height: 1; }
.section-dark .counter-box .num { color: #fff; }
.counter-box .lbl { color: var(--keep-muted); font-weight: 500; }

/* ---------- Process steps ---------- */
.process-steps { position: relative; list-style: none; margin: 0 auto; padding: 0; max-width: 720px; }
.process-steps::before { content: ""; position: absolute; top: 0; bottom: 0; left: 28px; width: 3px; background: var(--keep-border); transform: translateX(-50%); }
.process-step { position: relative; display: flex; gap: 1.5rem; align-items: flex-start; padding-bottom: 2rem; transition: transform .3s ease, box-shadow .3s ease; cursor: default; }
.process-step:hover { transform: translateX(6px); border-radius: 12px; padding-left: .8rem; }
.process-step:last-child { padding-bottom: 0; }
.process-step .step-num { width: 56px; height: 56px; flex: none; border-radius: 50%; background: var(--keep-red); color: #fff; font-weight: 800; font-size: 1.4rem; display: inline-flex; align-items: center; justify-content: center; position: relative; z-index: 2; box-shadow: 0 8px 20px rgba(var(--bs-primary-rgb), .3); transition: transform .3s ease, background .3s ease, box-shadow .3s ease; }
.process-step:hover .step-num { transform: scale(1.1); background: var(--keep-red-dark);  }
.process-step .step-content h3 { font-size: 1.2rem; margin-bottom: .4rem; }
.process-step .step-content p { margin: 0; color: var(--keep-muted); }

/* ---------- Product cards (new design) ---------- */
.product-card { background: #fff; border: 1px solid var(--keep-border); border-radius: var(--keep-radius); overflow: hidden; height: 100%; transition: transform .35s ease, box-shadow .35s ease; position: relative; }
.product-card:hover { transform: translateY(-8px); box-shadow: var(--keep-shadow); }
.product-thumb { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--keep-gray); }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.product-card:hover .product-thumb img { transform: scale(1.08); }
.product-index { position: absolute; top: 12px; left: 12px; background: var(--keep-red); color: #fff; font-weight: 700; border-radius: 8px; padding: .2rem .7rem; font-size: .85rem; }
.product-body { padding: 1.5rem 1.5rem 1.7rem; }
.product-body h3 { font-size: 1.25rem; margin-bottom: .5rem; }
.product-body .desc { color: var(--keep-muted); font-size: .92rem; min-height: 48px; }
.product-spec { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: .5rem .8rem; }
.product-spec li { font-size: .85rem; color: var(--keep-black); display: flex; flex-direction: column; background: var(--keep-gray); border-radius: 8px; padding: .45rem .6rem; }
.product-spec li:only-child,
.product-spec li:last-child:nth-child(odd) { grid-column: 1 / -1; }
.product-spec li span { color: var(--keep-muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .5px; }
.product-foot { display: flex; gap: .5rem; margin-top: 1.2rem; align-items: stretch; }
.product-foot .btn-red { flex: 1 1 0; min-width: 0; }
.wa-card-stack { flex: 0 0 auto; align-self: stretch; display: inline-flex; }
.wa-card-toggle { height: auto; width: 100%; min-width: 0; aspect-ratio: 1 / 1; }

/* product detail rows */
.product-row { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; padding: 2.5rem 0; border-bottom: 1px solid var(--keep-border); }
.product-row:nth-child(even) .product-row-img { order: 2; }
.product-row-img { border-radius: var(--keep-radius); overflow: hidden; box-shadow: var(--keep-shadow); }
.product-row-img img { width: 100%; display: block; }
.product-row h3 { font-size: 1.7rem; margin-bottom: .6rem; }
.product-row .tag { display: inline-block; background: var(--keep-red); color:#fff; font-size:.72rem; font-weight:700; letter-spacing:1px; padding:.2rem .7rem; border-radius:50px; margin-bottom:1rem; }
.spec-table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.spec-table th, .spec-table td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--keep-border); font-size: .9rem; }
.spec-table th { color: var(--keep-muted); font-weight: 600; width: 45%; background: var(--keep-gray); }
.spec-table td { font-weight: 600; }

/* ---------- Project cards ---------- */
.project-card { position: relative; border-radius: var(--keep-radius); overflow: hidden; box-shadow: var(--keep-shadow); }
.project-card img { width: 100%; height: 280px; object-fit: cover; transition: transform .6s ease; display: block; }
.project-card:hover img { transform: scale(1.07); }
.project-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(20,23,26,.88), rgba(20,23,26,.05) 55%); display: flex; flex-direction: column; justify-content: flex-end; padding: 1.5rem; color: #fff; }
.project-overlay .cat { font-size: .72rem; letter-spacing: 1px; text-transform: uppercase; color: #ff8a8a; font-weight: 700; }
.project-overlay h3 { color: #fff; font-size: 1.25rem; margin: .3rem 0 0; }
.project-overlay .loc { font-size: .85rem; opacity: .85; }
.project-badge { position: absolute; top: 14px; right: 14px; background: var(--keep-red); color: #fff; font-size: .72rem; font-weight: 700; padding: .25rem .7rem; border-radius: 50px; z-index: 2; }

/* ---------- Certification cards ---------- */
.cert-card-modern { position: relative; background: #fff; border: 1px solid var(--keep-border); border-radius: 18px; padding: 2.3rem 1.8rem 1.8rem; height: 100%; overflow: hidden; transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease; }
.cert-card-modern::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--keep-red), #ff7a7a); transform: scaleX(0); transform-origin: left; transition: transform .45s ease; }
.cert-card-modern:hover { transform: translateY(-8px); box-shadow: var(--keep-shadow); border-color: transparent; }
.cert-card-modern:hover::before { transform: scaleX(1); }
.cert-card-modern .cert-ico { width: 64px; height: 64px; border-radius: 16px; background: linear-gradient(135deg, var(--keep-red), var(--keep-red-dark)); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 1.9rem; margin-bottom: 1.1rem; box-shadow: 0 12px 24px rgba(var(--bs-primary-rgb), .3); transition: transform .35s ease; }
.cert-card-modern:hover .cert-ico { transform: rotate(-6deg) scale(1.06); }
.cert-card-modern .cert-badge { position: absolute; top: 1.4rem; right: 1.4rem; font-size: .7rem; font-weight: 700; letter-spacing: .4px; background: var(--keep-gray); color: var(--keep-red); padding: .3rem .7rem; border-radius: 50px; }
.cert-card-modern h3 { font-size: 1.12rem; margin: .2rem 0 .5rem; }
.cert-card-modern p { color: var(--keep-muted); font-size: .9rem; margin: 0; }
.cert-card-modern .cert-more { display: inline-flex; align-items: center; gap: .35rem; margin-top: 1rem; font-size: .82rem; font-weight: 600; color: var(--keep-red); opacity: 0; transform: translateY(8px); transition: opacity .35s ease, transform .35s ease; }
.cert-card-modern:hover .cert-more { opacity: 1; transform: translateY(0); }

/* ---------- Breadcrumb / page header ---------- */
.page-header { position: relative; background: var(--keep-dark) url('../img/facility-aerial.jpg') center / cover no-repeat; background-attachment: fixed; color: #fff; padding: 250px 0 70px; overflow: hidden; }
.page-header::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(0, 0, 0, 0.55), rgba(20,23,26,.85)); }
.page-header .container { position: relative; z-index: 2; }
.page-header h1 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); }
.page-header .breadcrumb { background: transparent; margin: 0; }
.page-header .breadcrumb-item, .page-header .breadcrumb-item a { color: #d8dcdf; }
.page-header .breadcrumb-item.active { color: #fff; }
.page-header .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.5); }
.page-header .lead { color: white; font-size: 1.05rem;}

.page-header-projects { background-image: url('../img/breadcrumb/projects.jpg'); }
.page-header-certifications { background-image: url('../img/breadcrumb/certificate.jpg'); }
.page-header-contact { background-image: url('../img/breadcrumb/contact.jpg'); }
.page-header-products { background-image: url('../img/breadcrumb/products.jpg'); } 
.page-header-about { background-image: url('../img/about-1.jpg'); }

/* ---------- Forms ---------- */
.form-control, .form-select { border-radius: 12px; border-color: var(--keep-border); padding: .7rem 1rem; }
.form-control:focus, .form-select:focus { border-color: var(--keep-red); box-shadow: 0 0 0 .2rem rgba(var(--bs-primary-rgb), .15); }
.contact-info-item { display: flex; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--keep-border); }
.contact-info-item .ico { width: 50px; height: 50px; flex: none; border-radius: 12px; background: var(--keep-gray); color: var(--keep-red); display: inline-flex; align-items: center; justify-content: center; font-size: 1.4rem; }
.contact-info-item h4 { font-size: 1rem; margin: 0 0 .2rem; }
.contact-info-item p, .contact-info-item a { color: var(--keep-muted); margin: 0; font-size: .92rem; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--keep-red); color: #fff; border-radius: 0; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.9); }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 0; list-style: none; }
.timeline li { position: relative; padding: 1.2rem 0 1.2rem 3rem; border-left: 2px solid var(--keep-border); }
.timeline li::before { content: ""; position: absolute; left: -9px; top: 1.5rem; width: 16px; height: 16px; border-radius: 50%; background: var(--keep-red); box-shadow: 0 0 0 4px rgba(var(--bs-primary-rgb), .2); }
.timeline .year { font-weight: 800; color: var(--keep-red); }

/* ---------- Footer ---------- */
.site-footer { background: var(--keep-dark); color: #b9bfc4; }
.site-footer h4, .site-footer h5 { color: #fff; }
.site-footer a { color: #b9bfc4; }
.site-footer a:hover { color: #fff; }
.footer-logo { height: 46px; margin-bottom: 1rem; }
.footer-links { list-style: none; padding: 0; }
.footer-links li { padding: .3rem 0; display: flex; align-items: center; gap: .6rem; }
.footer-links li iconify-icon { color: var(--keep-red); font-size: .9rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 1.2rem 0; font-size: .85rem; }
/* ---------- Footer Certification Grid ---------- */
.footer-cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(70px, 1fr)); gap: .8rem; align-items: center; }
.cert-item { display: flex; align-items: center; justify-content: center; background: #fff; border-radius: 10px; height: 110px; }
.cert-logo { max-width: 100%; max-height: 110px; height: auto; object-fit: contain; }
.footer-social { display: flex; gap: .8rem; }
.footer-soc { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.08); color: #fff; display: inline-flex; align-items: center; justify-content: center; transition: background .25s ease, color .25s ease, transform .25s ease; }
.footer-soc:hover { background: var(--keep-red); color: #fff; transform: translateY(-2px); }

/* ---------- Back to top ---------- */
.back-to-top { position: fixed; right: 20px; bottom: 20px; width: 46px; height: 46px; border-radius: 50%; background: var(--keep-red); color: #fff; display: none; align-items: center; justify-content: center; z-index: 1040; box-shadow: 0 10px 24px rgba(var(--bs-primary-rgb), .4); }
.back-to-top.show { display: inline-flex; }
.back-to-top:hover { color: #fff; background: var(--keep-red-dark); }
/* ---------- Floating Social (TikTok + Facebook) ---------- */
.social-float-stack { position: fixed; right: 20px; z-index: 1040; display: flex; flex-direction: column; gap: 12px; align-items: flex-end; }
.social-float-stack--tt { bottom: 78px; }
.social-float-stack--fb { bottom: 136px; }
.social-float { width: 46px; height: 46px; border-radius: 50%; color: #fff; display: inline-flex; align-items: center; justify-content: center; box-shadow: 0 8px 20px rgba(0,0,0,.25); transition: transform .25s ease, background .25s ease; }
.social-float:hover { color: #fff; transform: scale(1.08) translateX(-4px); }
.social-float-tiktok { background: #000; }
.social-float-tiktok:hover { background: #1a1a1a; }
.social-float-facebook { background: #1877F2; }
.social-float-facebook:hover { background: #145dbf; }

/* ---------- Floating WhatsApp ---------- */

.wa-float-stack { position: fixed; right: 20px; bottom: 194px; z-index: 1040; display: flex; flex-direction: column; gap: 12px; align-items: flex-end; min-width: 54px; min-height: 54px; cursor: pointer; }
.wa-float { position: relative; width: 54px; height: 54px; border-radius: 50%; background: #25D366; color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 1.7rem; box-shadow: 0 10px 24px rgba(37,211,102,.45); transition: transform .25s ease, opacity .25s ease, visibility .25s ease; }
.wa-float:hover { color: #fff; transform: scale(1.08) translateX(-6px); }
.wa-float::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25D366; }
.wa-float-toggle::after { animation: waPulse 2s infinite; }
@keyframes waPulse { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.7); opacity: 0; } }

.wa-float-toggle { background: #25D366; }
.wa-float-toggle:hover { background: #1ebe5b; }
.wa-float-toggle .wa-icon-close { display: none; }
.wa-float-stack.open .wa-float-toggle .wa-icon-default { display: none; }
.wa-float-stack.open .wa-float-toggle .wa-icon-close { display: inline-flex; }
.wa-float-stack.open .wa-float-toggle { background: var(--keep-red-dark, #b3202a); }
.wa-float-stack.open .wa-float-toggle::after { border-color: #fff; }

.wa-float-num {
  width: auto;
  min-width: 54px;
  height: 54px;
  padding: 0 18px;
  border-radius: 27px;
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .02em;
  gap: 8px;
}

.wa-float-stack:not(.open) { pointer-events: none; }
.wa-float-stack:not(.open) .wa-float-num { opacity: 0; visibility: hidden; transform: translateY(10px) scale(.85); pointer-events: none; }
.wa-float-stack:not(.open) .wa-float-toggle { pointer-events: auto; }
.wa-float-stack.open .wa-float-num { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.wa-float-stack.open .wa-float-num:hover { transform: translateX(-6px) scale(1.08); }

/* ---------- WhatsApp card popup ---------- */
.wa-card-stack { position: relative; display: inline-flex; }
.wa-card-popup { position: absolute; bottom: calc(100% + 8px); right: 0; display: flex; flex-direction: column; gap: 6px; align-items: flex-end; z-index: 10; min-width: 180px; }
.wa-card-num { display: inline-flex; align-items: center; gap: 6px; height: 42px; padding: 0 14px; border-radius: 21px; background: #25D366; color: #fff; font-size: .85rem; font-weight: 600; text-decoration: none; box-shadow: 0 4px 12px rgba(37,211,102,.3); transition: transform .25s ease, opacity .25s ease, visibility .25s ease; white-space: nowrap; }
.wa-card-num:hover { color: #fff; background: #1ebe5b; transform: translateX(-4px) scale(1.04); }
.wa-card-toggle { width: auto; height: 100%; min-width: auto; padding: 0; border-radius: -1%; display: inline-flex; align-items: center; justify-content: center; aspect-ratio: 1 / 1; }
.wa-card-toggle iconify-icon { font-size: 1.4rem; }
.wa-card-stack:not(.open) .wa-card-popup { opacity: 0; visibility: hidden; transform: translateY(8px) scale(.95); pointer-events: none; }
.wa-card-stack.open .wa-card-popup { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.wa-card-popup { transition: opacity .2s ease, transform .2s ease, visibility .2s ease; }
.wa-card-stack .wa-card-num:nth-child(1) { transition-delay: .12s; }
.wa-card-stack .wa-card-num:nth-child(2) { transition-delay: .06s; }
.wa-card-stack .wa-card-num:nth-child(3) { transition-delay: 0s; }
.wa-card-stack.open .wa-card-num:nth-child(1) { transition-delay: 0s; }
.wa-card-stack.open .wa-card-num:nth-child(2) { transition-delay: .06s; }
.wa-card-stack.open .wa-card-num:nth-child(3) { transition-delay: .12s; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.show { opacity: 1; transform: translateY(0); }

/* ---------- Modern timeline (about) ---------- */
.timeline { position: relative; list-style: none; padding: 0; margin: 0; }
.timeline-item { position: relative; padding: 0 0 2rem 66px; opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item.show { opacity: 1; transform: translateY(0); }
.timeline-item::before { content: ""; position: absolute; left: 12px; top: 4px; width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 5px solid var(--keep-red); box-shadow: 0 0 0 4px rgba(var(--bs-primary-rgb), .15); z-index: 1; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.timeline-item:hover::before { transform: scale(1.18); border-color: var(--keep-red-dark); box-shadow: 0 0 0 7px rgba(var(--bs-primary-rgb), .22); }
.timeline-card { background: #fff; border: 1px solid var(--keep-border); border-radius: 14px; padding: 1.2rem 1.4rem; box-shadow: 0 10px 24px rgba(20,23,26,.06); transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.timeline-card:hover { transform: translateX(8px) translateY(-4px); box-shadow: 0 18px 38px rgba(20,23,26,.14); border-color: var(--keep-red); }
.timeline-card .yr { display: inline-block; background: var(--keep-red); color: #fff; font-weight: 800; font-size: .82rem; padding: .2rem .8rem; border-radius: 50px; margin-bottom: .5rem; transition: transform .3s ease; }
.timeline-card:hover .yr { transform: scale(1.08); }
.timeline-card p { margin: 0; color: var(--keep-muted); }

/* ---------- Lightbox modal ---------- */
.modal-lightbox .modal-content { background: transparent; border: 0; }
.modal-lightbox img, .modal-lightbox video { width: 100%; border-radius: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.5); display: none; }
.modal-lightbox img.active, .modal-lightbox video.active { display: block; }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; background: rgba(20, 23, 26, .55); color: #fff; border: 0; display: inline-flex; align-items: center; justify-content: center; font-size: 1.4rem; cursor: pointer; backdrop-filter: blur(6px); z-index: 5; }
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }
.lightbox-counter { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); background: rgba(20, 23, 26, .55); color: #fff; font-size: .85rem; font-weight: 600; padding: .35rem .9rem; border-radius: 50px; backdrop-filter: blur(6px); z-index: 5; }
.zoom-badge { position: absolute; top: 12px; right: 12px; width: 38px; height: 38px; border-radius: 50%; background: rgba(var(--bs-primary-rgb), .92); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 1.1rem; opacity: 0; transform: scale(.8); transition: .3s ease; z-index: 3; }
.product-thumb:hover .zoom-badge, .project-card:hover .zoom-badge { opacity: 1; transform: scale(1); }

/* ---------- Modern project card ---------- */
.project-card { cursor: pointer; }
.project-card .zoom-badge { top: 50%; left: 50%; right: auto; width: 46px; height: 46px; font-size: 1.3rem; background: rgba(20, 23, 26, .55); transform: translate(-50%, -50%) scale(.8); }
.project-card:hover .zoom-badge { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.project-card .group-badge { position: absolute; bottom: 14px; right: 14px; background: rgba(20, 23, 26, .65); color: #fff; font-size: .78rem; font-weight: 700; padding: .35rem .75rem; border-radius: 50px; z-index: 3; display: inline-flex; align-items: center; gap: .35rem; backdrop-filter: blur(6px); }

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
  .product-row { grid-template-columns: 1fr; gap: 1.2rem; }
  .product-row:nth-child(even) .product-row-img { order: 0; }
  .about-gallery { gap: 1rem; }
  .about-gallery-main { width: 100%; }
  .about-gallery-secondary { top: -1.75rem; width: 80%; justify-self: end; }
}
@media (max-width: 767.98px) {
  .section { padding: 60px 0; }
  .stat-band .stat { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .product-body { padding: 1rem 1rem 1.2rem; }
  .product-body h3 { font-size: 1.1rem; }
  .product-body .desc { font-size: .85rem; min-height: auto; }
  .product-spec { grid-template-columns: 1fr 1fr; gap: .4rem; }
  .product-spec li { font-size: .78rem; padding: .35rem .5rem; }
  .product-spec li span { font-size: .68rem; }
  .product-foot { flex-wrap: wrap; gap: .4rem; align-items: stretch; }
  .product-foot .btn-red { font-size: .8rem; padding: .5rem .8rem; }
  .wa-card-toggle { height: 100%; width: auto; min-width: auto; aspect-ratio: 1 / 1; }
  .wa-card-popup { min-width: 160px; }
  .wa-card-num { font-size: .78rem; padding: 0 12px; height: 38px; border-radius: 19px; }
  .section-dark .row.g-4.mb-4 video,
  .section-dark .row.g-4.mb-4 img { width: 100%; height: 220px; }
}
@media (max-width: 399.98px) {
  .product-foot { flex-direction: column; }
  .product-foot .btn-red { width: 100%; }
  .wa-card-stack { align-self: flex-end; }
  .about-gallery { gap: .85rem; }
  .about-gallery-main { width: 100%; }
  .about-gallery-secondary { top: -1.25rem; width: 92%; justify-self: end; }
}