/* ==========================================================================
   ELTECH PRO — Premium Corporate Engineering Website
   Design system / global styles
   HTML5 + CSS3 + Bootstrap 5 + Vanilla JS  (no framework)
   ========================================================================== */

:root {
  --eltech-blue: #548FD1;
  --eltech-blue-deep: #3E76B4;
  --eltech-yellow: #FFB727;
  --navy: #0B1726;
  --navy-surface: #13263A;
  --dark: #101820;
  --steel-gray: #7C8794;
  --light-gray: #E8EDF2;
  --off-white: #F7F8FA;
  --white: #FFFFFF;

  --shell: 1360px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --sec-pad: 150px;
}

/* --------------------------------------------------------------- base ---- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--dark);
  background: var(--white);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Manrope", sans-serif;
  color: var(--navy);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
}

h1 { font-size: clamp(2rem, 3.6vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.4rem); }
h3 { font-size: clamp(1.25rem, 1.9vw, 1.7rem); }
h4 { font-size: clamp(1.25rem, 1.6vw, 1.55rem); }

p { margin-bottom: 1rem; }

a { color: var(--eltech-blue-deep); text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--navy); }

img { max-width: 100%; display: block; }

.container { max-width: var(--shell); }

::selection { background: var(--eltech-blue); color: #fff; }

/* ============================================ hero lifecycle ticker ==== */
.hero-lifecycle-ticker {
  margin-top: 46px;
  border-top: 1px solid rgba(255,255,255,.18);
  padding-top: 0;
  overflow: hidden;
}
.hlt-track {
  display: flex;
  align-items: center;
  gap: 0;
  width: max-content;
  animation: ticker-scroll 18s linear infinite;
  padding: 18px 0;
}
.hlt-track span {
  font-size: .78rem;
  letter-spacing: .14em;
  color: rgba(255,255,255,.7);
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
  padding: 0 16px;
}
.hlt-track span.dot {
  color: var(--eltech-yellow);
  padding: 0;
  letter-spacing: 0;
}
@keyframes ticker-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.hero-lifecycle-ticker:hover .hlt-track { animation-play-state: paused; }

/* thin custom scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: rgba(84,143,209,.35); border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }

/* ------------------------------------------------------------- helpers --- */
.section { padding: clamp(70px, 10vw, var(--sec-pad)) 0; }
.section-sm { padding: clamp(60px, 7vw, 100px) 0; }

.bg-navy { background: var(--navy); }
.bg-navy-surface { background: var(--navy-surface); }
.bg-offwhite { background: var(--off-white); }
.bg-lightgray { background: var(--light-gray); }

.text-blue { color: var(--eltech-blue) !important; }
.text-yellow { color: var(--eltech-yellow) !important; }
.text-steel { color: var(--steel-gray) !important; }
.text-white h1, .text-white h2, .text-white h3, .text-white h4 { color: #fff; }

.lead-lg { font-size: clamp(1.15rem, 1.6vw, 1.35rem); line-height: 1.6; color: #45505c; }

/* Section label — 01 / ELTECH PRO */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--eltech-blue-deep);
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--eltech-yellow);
}
.eyebrow.on-dark { color: #9cc2ec; }

/* ------------------------------------------------------------- buttons --- */
.btn {
  --bs-btn-focus-box-shadow: none;
  border-radius: 2px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.95rem 1.9rem;
  font-size: 0.98rem;
  transition: all .3s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn i { transition: transform .3s var(--ease); }
.btn:hover i.bi-arrow-right { transform: translateX(5px); }

.btn-eltech {
  background: var(--eltech-blue);
  color: #fff;
  border: 1px solid var(--eltech-blue);
}
.btn-eltech:hover { background: var(--navy); border-color: var(--navy); color: #fff; }

.btn-outline-eltech {
  background: transparent;
  color: var(--navy);
  border: 1px solid rgba(11,23,38,.25);
}
.btn-outline-eltech:hover { border-color: var(--navy); background: var(--navy); color: #fff; }

.btn-ghost-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.3);
}
.btn-ghost-light:hover { background: #fff; color: var(--navy); border-color: #fff; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  color: var(--eltech-blue-deep);
}
.link-arrow i { transition: transform .3s var(--ease); }
.link-arrow:hover i { transform: translateX(5px); }

/* =============================================================== HEADER === */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1030;
  transition: background .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header .navbar { padding: 18px 0; transition: padding .35s var(--ease); }

.brand { display: flex; align-items: center; gap: 12px; }
.brand .brand-mark { width: 34px; height: 34px; flex: none; }
.brand-logo-img { height: 44px; width: auto; display: block; }
.site-footer .brand-logo-img { height: 48px; }
.offcanvas .brand-logo-img { height: 36px; }
.brand .brand-name {
  font-weight: 800;
  font-size: 1.28rem;
  letter-spacing: -0.01em;
  line-height: 1;
  color: var(--navy);
}
.brand .brand-name span { color: var(--eltech-blue); }
.brand .brand-sub {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.34em;
  font-weight: 600;
  color: var(--steel-gray);
  margin-top: 3px;
}

.main-nav { gap: 4px; }
.main-nav .nav-link {
  color: var(--navy);
  font-weight: 600;
  font-size: 0.97rem;
  padding: 0.5rem 1rem;
  position: relative;
}
.main-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 1rem; right: 1rem; bottom: 4px;
  height: 2px;
  background: var(--eltech-yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.main-nav .nav-link:hover::after,
.main-nav .nav-link.active::after { transform: scaleX(1); }

.header-tools { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: none; color: var(--navy);
  border-radius: 2px; font-size: 1.15rem;
  transition: background .25s, color .25s;
}
.icon-btn:hover { background: rgba(11,23,38,.06); }

.lang-switch { display: flex; align-items: center; gap: 2px; font-size: 0.8rem; font-weight: 700; }
.lang-switch button {
  background: none; border: none; padding: 4px 6px; color: var(--steel-gray);
  letter-spacing: .04em; cursor: pointer; transition: color .2s;
}
.lang-switch button.active { color: var(--eltech-blue-deep); }
.lang-switch button:hover { color: var(--navy); }
.lang-switch .sep { color: rgba(124,135,148,.4); }

/* transparent / hero-overlay state (homepage) */
.site-header.is-transparent { background: transparent; }
.site-header.is-transparent .brand .brand-name { color: #fff; }
.site-header.is-transparent .brand .brand-sub { color: rgba(255,255,255,.7); }
.site-header.is-transparent .main-nav .nav-link { color: #fff; }
.site-header.is-transparent .icon-btn { color: #fff; }
.site-header.is-transparent .icon-btn:hover { background: rgba(255,255,255,.12); }
.site-header.is-transparent .lang-switch button { color: rgba(255,255,255,.6); }
.site-header.is-transparent .lang-switch button.active { color: #fff; }
.site-header.is-transparent .lang-switch .sep { color: rgba(255,255,255,.35); }

/* scrolled state */
.site-header.scrolled {
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom-color: var(--light-gray);
  box-shadow: 0 6px 30px -18px rgba(11,23,38,.4);
}
.site-header.scrolled .navbar { padding: 12px 0; }
.site-header.scrolled .brand .brand-name { color: var(--navy); }
.site-header.scrolled .brand .brand-sub { color: var(--steel-gray); }
.site-header.scrolled .main-nav .nav-link { color: var(--navy); }
.site-header.scrolled .icon-btn { color: var(--navy); }
.site-header.scrolled .lang-switch button { color: var(--steel-gray); }
.site-header.scrolled .lang-switch button.active { color: var(--eltech-blue-deep); }

/* --------------------------------------------------------- mega menu ----- */
.has-mega { position: static; }
.mega {
  position: absolute;
  left: 0; right: 0; top: 100%;
  background: #fff;
  border-top: 1px solid var(--light-gray);
  box-shadow: 0 40px 60px -30px rgba(11,23,38,.35);
  opacity: 0; visibility: hidden;
  transform: translateY(8px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  z-index: 1029;
}
.mega.open { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-inner { padding: 46px 0 52px; }
.mega-service {
  display: block;
  padding: 16px 16px 16px 0;
  border-top: 1px solid var(--light-gray);
  transition: padding-left .3s var(--ease);
}
.mega-service:hover { padding-left: 8px; }
.mega-service .num { font-size: 0.72rem; font-weight: 700; letter-spacing: .1em; color: var(--eltech-blue); }
.mega-service .t { font-weight: 700; color: var(--navy); font-size: 1.02rem; margin-top: 2px; }
.mega-service:hover .t { color: var(--eltech-blue-deep); }
.mega-featured {
  background: var(--navy);
  color: #fff;
  border-radius: 3px;
  overflow: hidden;
  height: 100%;
}
.mega-featured .cap { padding: 22px 24px; }
.mega-featured img { height: 168px; width: 100%; object-fit: cover; }
.mega-featured .lbl { font-size: .72rem; letter-spacing: .18em; color: var(--eltech-yellow); font-weight: 700; text-transform: uppercase; }

/* offcanvas */
.offcanvas { background: var(--navy); color: #fff; }
.offcanvas .btn-close { filter: invert(1) grayscale(1) brightness(1.6); }
.offcanvas .mobile-link {
  display: block; padding: 15px 0; font-size: 1.15rem; font-weight: 600;
  color: #fff; border-bottom: 1px solid rgba(255,255,255,.1);
}
.offcanvas .accordion-button {
  background: transparent; color: #fff; font-size: 1.15rem; font-weight: 600;
  padding: 15px 0; box-shadow: none;
}
.offcanvas .accordion-button:not(.collapsed) { color: var(--eltech-yellow); }
.offcanvas .accordion-button::after { filter: invert(1); }
.offcanvas .accordion-item { background: transparent; border: none; border-bottom: 1px solid rgba(255,255,255,.1); }
.offcanvas .accordion-body a { display: block; color: rgba(255,255,255,.75); padding: 8px 0; }
.offcanvas .accordion-body a:hover { color: #fff; }

/* ===================================================== navbar search ====== */
.navbar-search-bar {
  position: absolute;
  left: 0; right: 0; top: 0; bottom: 0;
  display: flex; align-items: center;
  padding: 0 24px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .3s var(--ease), visibility .3s;
  z-index: 10;
}
.site-header.search-open .navbar-search-bar {
  opacity: 1; visibility: visible; pointer-events: auto;
}
/* hide nav links when search is open */
.site-header.search-open .main-nav {
  opacity: 0; pointer-events: none;
}
/* hide CTA btn in search mode */
.site-header.search-open .btn-eltech { opacity: 0; pointer-events: none; }
.site-header.search-open .header-search { opacity: 0; pointer-events: none; }
/* hide lang select in search mode */
.site-header.search-open .lang-select-wrap { opacity: 0; pointer-events: none; }

.nsb-form {
  display: flex; align-items: center; gap: 10px;
  width: 100%; max-width: 860px; margin: 0 auto;
}
.nsb-icon { font-size: 1.1rem; color: var(--steel-gray); flex: none; }
.nsb-input {
  flex: 1; min-width: 0;
  background: transparent; border: none;
  border-bottom: 2px solid rgba(11,23,38,.2);
  padding: 8px 12px;
  font-size: 1.05rem; font-family: inherit; font-weight: 600;
  color: var(--navy); outline: none;
  transition: border-color .25s;
}
.nsb-input:focus { border-bottom-color: var(--eltech-blue); }
.nsb-input::placeholder { color: var(--steel-gray); font-weight: 400; }
.nsb-submit { padding: .55rem 1.4rem; font-size: .9rem; flex: none; }
.nsb-close  { flex: none; }

/* transparent header variant */
.site-header.is-transparent .nsb-input { color: #fff; border-bottom-color: rgba(255,255,255,.3); }
.site-header.is-transparent .nsb-input::placeholder { color: rgba(255,255,255,.5); }
.site-header.is-transparent .nsb-input:focus { border-bottom-color: rgba(255,255,255,.8); }
.site-header.is-transparent .nsb-icon { color: rgba(255,255,255,.6); }

/* search toggle btn — no separate wrapper needed */
.header-search { display: flex; align-items: center; }
@media (max-width: 991.98px) { .header-search { display: none !important; } }

.mobile-search-form { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,.08); border-radius: 6px; padding: 8px 12px; margin-bottom: 20px; }
.mobile-search-form input { flex: 1; background: none; border: none; outline: none; color: #fff; font-size: 1rem; font-family: inherit; }
.mobile-search-form input::placeholder { color: rgba(255,255,255,.45); }
.mobile-search-form button { background: none; border: none; color: rgba(255,255,255,.6); padding: 0; cursor: pointer; font-size: 1.1rem; display: flex; align-items: center; }
.mobile-search-form button:hover { color: #fff; }

/* ================================================== language select ====== */
.lang-select-wrap { position: relative; }
.lang-current {
  display: flex; align-items: center; gap: 7px;
  background: none; border: none; padding: 5px 8px;
  font-size: .8rem; font-weight: 700; letter-spacing: .04em;
  color: var(--steel-gray); cursor: pointer; border-radius: 2px;
  transition: background .2s, color .2s;
}
.lang-current:hover { background: rgba(11,23,38,.06); color: var(--navy); }
.lang-current img { border-radius: 2px; flex: none; }
.ld-arrow { font-size: .65rem; transition: transform .25s; }
.lang-select-wrap.open .ld-arrow { transform: rotate(180deg); }

.lang-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: #fff; border: 1px solid var(--light-gray);
  box-shadow: 0 16px 40px -12px rgba(11,23,38,.3);
  border-radius: 3px; min-width: 168px; list-style: none;
  padding: 6px 0; margin: 0;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  z-index: 1050;
}
.lang-select-wrap.open .lang-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-opt {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: none; border: none; padding: 10px 16px;
  font-size: .88rem; font-weight: 600; color: var(--navy);
  cursor: pointer; transition: background .2s;
}
.lang-opt:hover { background: var(--off-white); }
.lang-opt.active { color: var(--eltech-blue-deep); }
.lang-opt img { border-radius: 2px; flex: none; }

/* transparent state */
.site-header.is-transparent .lang-current { color: rgba(255,255,255,.7); }
.site-header.is-transparent .lang-current:hover { background: rgba(255,255,255,.12); color: #fff; }

/* offcanvas lang-select dark variant */
.offcanvas .lang-select-wrap .lang-current { color: rgba(255,255,255,.75); }
.offcanvas .lang-select-wrap .lang-current:hover { background: rgba(255,255,255,.1); color: #fff; }
.offcanvas .lang-select-wrap .lang-dropdown { background: var(--navy-surface); border-color: rgba(255,255,255,.15); }
.offcanvas .lang-opt { color: rgba(255,255,255,.8); }
.offcanvas .lang-opt:hover { background: rgba(255,255,255,.08); color: #fff; }

/* =============================================================== HERO ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(11,23,38,.55) 0%, rgba(11,23,38,.35) 40%, rgba(11,23,38,.92) 100%),
    linear-gradient(90deg, rgba(11,23,38,.55) 0%, rgba(11,23,38,0) 60%);
}
.hero-inner { padding: 150px 0 60px; width: 100%; }
.hero h1 { color: #fff; max-width: 15ch; }
.hero .hero-desc { color: rgba(255,255,255,.82); font-size: clamp(1.05rem,1.5vw,1.3rem); max-width: 56ch; }
.hero-label {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: .78rem; letter-spacing: .26em; font-weight: 700; text-transform: uppercase;
  color: #fff; margin-bottom: 26px;
}
.hero-label::before { content:""; width: 30px; height: 3px; background: var(--eltech-yellow); }
.hero-lifecycle {
  border-top: 1px solid rgba(255,255,255,.18);
  margin-top: 46px; padding-top: 22px;
  font-size: .82rem; letter-spacing: .12em; color: rgba(255,255,255,.75);
  font-weight: 600; text-transform: uppercase;
}
.hero-lifecycle span { color: var(--eltech-yellow); margin: 0 6px; }

/* page hero (interior) */
.page-hero {
  position: relative; color: #fff; overflow: hidden;
  padding: 140px 0 70px;
  background: var(--navy);
}
.page-hero .ph-bg { position:absolute; inset:0; z-index:-2; opacity:.4; }
.page-hero .ph-bg img { width:100%; height:100%; object-fit:cover; }
.page-hero::after {
  content:""; position:absolute; inset:0; z-index:-1;
  background: linear-gradient(180deg, rgba(11,23,38,.7), rgba(11,23,38,.95));
}
.page-hero h1 { color:#fff; max-width: 20ch; }
.page-hero p { color: rgba(255,255,255,.8); max-width: 62ch; }
.breadcrumb-bar { font-size:.85rem; color: rgba(255,255,255,.55); margin-bottom: 26px; }
.breadcrumb-bar a { color: rgba(255,255,255,.7); }
.breadcrumb-bar a:hover { color:#fff; }

/* =========================================================== stat block == */
.stat .num {
  font-size: clamp(2.4rem, 3.6vw, 3.4rem);
  font-weight: 800;
  color: var(--eltech-blue-deep);
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat .lbl { color: var(--steel-gray); font-weight: 600; font-size: .92rem; margin-top: 8px; }
.stat.on-dark .num { color: #fff; }
.stat.on-dark .num em { color: var(--eltech-yellow); font-style: normal; }
.stat.on-dark .lbl { color: rgba(255,255,255,.6); }

/* ======================================================= service cards === */
.service-card {
  position: relative;
  display: block;
  height: 100%;
  padding: 34px 30px 30px;
  background: #fff;
  border: 1px solid var(--light-gray);
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.service-card::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--eltech-yellow);
  transform: scaleY(0); transform-origin: top;
  transition: transform .4s var(--ease);
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 30px 50px -30px rgba(11,23,38,.35); border-color: transparent; }
.service-card:hover::before { transform: scaleY(1); }
.service-card .sc-num { font-size: .82rem; font-weight: 800; letter-spacing: .12em; color: var(--eltech-blue); }
.service-card .sc-icon {
  width: 54px; height: 54px; margin: 18px 0 20px;
  display: flex; align-items: center; justify-content: center;
  background: var(--off-white); color: var(--eltech-blue-deep);
  font-size: 1.5rem; border-radius: 3px;
  transition: background .35s var(--ease), color .35s var(--ease);
}
.service-card:hover .sc-icon { background: var(--eltech-blue); color: #fff; }
.service-card h4 { margin-bottom: 8px; }
.service-card p { color: #55606c; font-size: .96rem; margin-bottom: 20px; }
.service-card .sc-go { color: var(--eltech-blue-deep); font-weight: 600; font-size: .92rem; display:inline-flex; align-items:center; gap:8px; }
.service-card:hover .sc-go i { transform: translateX(5px); }
.service-card .sc-go i { transition: transform .3s var(--ease); }

/* ======================================================= project cards === */
.project-card { display: block; height: 100%; }
.project-card .pc-media {
  position: relative; overflow: hidden; aspect-ratio: 16/10;
  background: var(--navy-surface);
}
.project-card .pc-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .7s var(--ease);
}
.project-card:hover .pc-media img { transform: scale(1.05); }
.project-card .pc-media::after {
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(84,143,209,0) 40%, rgba(62,118,180,.35));
  opacity: 0; transition: opacity .4s var(--ease);
}
.project-card:hover .pc-media::after { opacity: 1; }
.pc-cat {
  display: inline-block; font-size: .74rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--eltech-blue-deep); margin: 20px 0 8px;
  position: relative; padding-left: 0;
}
.project-card h4 { transition: color .3s var(--ease); }
.project-card:hover h4 { color: var(--eltech-blue-deep); }
.pc-meta { color: var(--steel-gray); font-size: .9rem; margin-top: 6px; }
.pc-scope { color: #55606c; font-size: .95rem; margin-top: 10px; }
.pc-go { margin-top: 14px; display:inline-flex; align-items:center; gap:8px; font-weight:600; color: var(--navy); font-size:.9rem; }
.pc-go .yline { width: 0; height: 2px; background: var(--eltech-yellow); transition: width .35s var(--ease); }
.project-card:hover .pc-go .yline { width: 26px; }

/* featured project (large) */
.featured-project { position: relative; overflow: hidden; height: 100%; min-height: 420px; color:#fff; }
.featured-project img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition: transform .8s var(--ease); }
.featured-project:hover img { transform: scale(1.04); }
.featured-project::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(11,23,38,.15) 30%, rgba(11,23,38,.9)); }
.featured-project .fp-cap { position: relative; z-index: 2; padding: 40px; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; }
.featured-project .fp-cat { color: var(--eltech-yellow); font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.featured-project h3 { color:#fff; margin: 12px 0 6px; }
.featured-project .fp-meta { color: rgba(255,255,255,.72); font-size: .92rem; }
.featured-project .fp-cap .link-arrow { color:#fff; margin-top: 18px; }
.featured-project .fp-cap .link-arrow:hover { color: var(--eltech-yellow); }

/* supporting project (compact, side of featured) */
.support-project { position: relative; overflow: hidden; color:#fff; min-height: 200px; display:flex; }
.support-project img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition: transform .8s var(--ease); }
.support-project:hover img { transform: scale(1.05); }
.support-project::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(11,23,38,.1), rgba(11,23,38,.85)); }
.support-project .sp-cap { position: relative; z-index:2; padding: 26px; align-self: flex-end; }
.support-project .fp-cat { color: var(--eltech-yellow); font-size: .72rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase; }
.support-project h4 { color:#fff; margin-top: 8px; font-size: 1.15rem; }

/* ===================================================== filters (projects) = */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; }
.filter-bar.scroll-x { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; }
.filter-btn {
  background: transparent;
  border: 1px solid var(--light-gray);
  color: var(--navy);
  font-weight: 600; font-size: .9rem;
  padding: 10px 20px; border-radius: 2px; white-space: nowrap;
  transition: all .25s var(--ease); cursor: pointer;
}
.filter-btn:hover { border-color: var(--eltech-blue); color: var(--eltech-blue-deep); }
.filter-btn.active { background: var(--eltech-blue); border-color: var(--eltech-blue); color: #fff; }
.project-item { transition: opacity .35s var(--ease); }
.project-item.hide { display: none; }

/* ===================================================== lifecycle timeline = */
.lifecycle { position: relative; }
.lifecycle .lc-line { position: absolute; top: 26px; left: 0; right: 0; height: 1px; background: rgba(84,143,209,.35); }
.lc-step .lc-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--navy); border: 2px solid var(--eltech-blue);
  position: relative; z-index: 2; margin-bottom: 28px;
}
.lc-step:first-child .lc-dot { background: var(--eltech-yellow); border-color: var(--eltech-yellow); }
.lc-step .lc-num { color: var(--eltech-yellow); font-weight: 800; font-size: .82rem; letter-spacing: .1em; }
.lc-step .lc-t { color: #fff; font-weight: 700; font-size: 1.12rem; margin-top: 4px; }
.lc-step .lc-d { color: rgba(255,255,255,.55); font-size: .9rem; margin-top: 6px; }

/* =========================================================== pillars ===== */
.pillar { padding: 30px; border: 1px solid var(--light-gray); height: 100%; background:#fff; transition: border-color .3s, transform .3s var(--ease); }
.pillar:hover { transform: translateY(-4px); border-color: var(--eltech-blue); }
.pillar .p-ico { width:50px;height:50px;display:flex;align-items:center;justify-content:center;color:var(--eltech-blue-deep);font-size:1.5rem;background:var(--off-white);border-radius:3px;margin-bottom:20px; }
.pillar h4 { margin-bottom: 8px; }
.pillar p { color:#55606c; font-size:.95rem; margin:0; }

/* =========================================================== industries == */
.industry-card { position: relative; overflow: hidden; min-height: 380px; display:flex; color:#fff; }
.industry-card img { position:absolute; inset:0; width:100%;height:100%;object-fit:cover; transition: transform .8s var(--ease); }
.industry-card:hover img { transform: scale(1.05); }
.industry-card::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(11,23,38,.2) 20%, rgba(11,23,38,.92)); }
.industry-card .ic-cap { position:relative; z-index:2; padding: 34px; align-self:flex-end; width:100%; }
.industry-card h3 { color:#fff; margin-bottom: 8px; }
.industry-card p { color: rgba(255,255,255,.75); font-size:.95rem; }
.industry-card .ic-proj { border-top:1px solid rgba(255,255,255,.2); margin-top:18px; padding-top:14px; font-size:.85rem; }
.industry-card .ic-proj span { color: var(--eltech-yellow); font-weight:700; letter-spacing:.1em; text-transform:uppercase; font-size:.7rem; display:block; margin-bottom:4px; }
.industry-card .ic-proj a { color:#fff; font-weight:600; }

/* =========================================================== partners ==== */
.partner-section { overflow: hidden; }
.partner-carousel-wrap { overflow: hidden; position: relative; }
.partner-carousel-wrap::before,
.partner-carousel-wrap::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 120px; z-index: 2; pointer-events: none;
}
.partner-carousel-wrap::before { left: 0; background: linear-gradient(to right, var(--off-white) 0%, transparent 100%); }
.partner-carousel-wrap::after  { right: 0; background: linear-gradient(to left, var(--off-white) 0%, transparent 100%); }

.partner-carousel { overflow: hidden; }
.partner-track {
  display: flex; align-items: center; gap: 0;
  width: max-content;
  animation: partner-scroll 28s linear infinite;
}
.partner-track:hover { animation-play-state: paused; }
@keyframes partner-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.partner-logo {
  height: 96px; width: 200px; flex: none;
  border: 1px solid var(--light-gray); display:flex; align-items:center; justify-content:center;
  color: var(--steel-gray); font-weight:700; letter-spacing:.06em; font-size:.95rem;
  margin: 0 10px; border-radius: 2px;
  transition: border-color .3s, color .3s, box-shadow .3s;
}
.partner-logo:hover { border-color: var(--eltech-blue); color: var(--navy); box-shadow: 0 8px 24px -12px rgba(84,143,209,.25); }

/* =========================================================== maintenance = */
.maint-band, .maint-cta-band { position: relative; overflow: hidden; }
.maint-cta-band {
  background: linear-gradient(135deg, #1a3a5c 0%, #0f2540 60%, #0a1d33 100%);
}
.maint-cta-band::after {
  content: ""; position: absolute; right: -60px; top: -80px;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(84,143,209,.22), transparent 70%);
  pointer-events: none;
}
.big-24 { font-size: clamp(4rem, 9vw, 8rem); font-weight: 800; line-height: .9; letter-spacing: -0.04em; color:#fff; }
.big-24 span { color: var(--eltech-yellow); }

/* =========================================================== page CTA ==== */
.page-cta-band {
  background: linear-gradient(120deg, var(--eltech-blue-deep) 0%, #2a5f9e 55%, #1e4d8a 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-cta-band::before {
  content: ""; position: absolute; right: -40px; top: -60px;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.08), transparent 70%);
  pointer-events: none;
}
.page-cta-band h3 { color: #fff; }

/* =========================================================== CTA band ==== */
.cta-band { background: var(--navy); color:#fff; position: relative; overflow:hidden; }
.cta-band::before {
  content:""; position:absolute; right:-6%; top:-40%; width:520px; height:520px;
  background: radial-gradient(circle, rgba(84,143,209,.25), transparent 70%);
}
/* blue variant breaks monotone after navy maintenance section */
.cta-band--blue {
  background: linear-gradient(135deg, var(--eltech-blue-deep) 0%, #2a5f9e 50%, #1a4a7a 100%);
}
.cta-band--blue::before {
  background: radial-gradient(circle, rgba(255,255,255,.12), transparent 70%);
}
.cta-band--blue::after {
  content: "";
  position: absolute; left: -80px; bottom: -80px;
  width: 400px; height: 400px; border-radius: 50%;
  background: rgba(255,183,39,.08);
  pointer-events: none;
}

/* =========================================================== FOOTER ====== */
.site-footer { background: var(--navy); color: rgba(255,255,255,.66); padding: 84px 0 30px; font-size: .95rem; }
.site-footer h6 { color:#fff; font-size:.8rem; letter-spacing:.16em; text-transform:uppercase; font-weight:700; margin-bottom: 22px; }
.site-footer a { color: rgba(255,255,255,.66); display:inline-block; padding: 5px 0; }
.site-footer a:hover { color:#fff; }
.site-footer .f-brand .brand-name { color:#fff; }
.site-footer .f-brand .brand-name span { color: var(--eltech-blue); }
.site-footer .f-brand .brand-sub { color: rgba(255,255,255,.5); }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); margin-top: 60px; padding-top: 26px; font-size:.85rem; color: rgba(255,255,255,.5); }
.footer-bottom a { color: rgba(255,255,255,.6); padding: 0; }
.fb-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}
.fb-links {
  display: flex; flex-wrap: wrap; gap: 16px;
  justify-content: flex-end;
}
.fb-devby {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 9px;
  justify-self: center;
  color: rgba(255,255,255,.5) !important;
  font-size: .76rem; font-weight: 600; letter-spacing: .04em;
  text-decoration: none;
  transition: color .25s;
  padding: 0 !important;
}
.fb-devby-label { white-space: nowrap; }
.fb-devby:hover { color: #fff !important; }
.fb-devby-label {
  color: rgba(255,255,255,.4);
  font-weight: 400;
  letter-spacing: .02em;
}
.fb-era-logo {
  height: 22px; width: auto;
  opacity: .75;
  transition: opacity .25s;
  flex-shrink: 0;
}
.fb-devby:hover .fb-era-logo { opacity: 1; }
@media (max-width: 768px) {
  .fb-row { grid-template-columns: 1fr; gap: 14px; }
  .fb-devby { justify-self: start; }
  .fb-links { justify-content: flex-start; }
}
.footer-proj { display:flex; gap:12px; align-items:center; padding:8px 0; }
.footer-proj img { width:56px; height:44px; object-fit:cover; flex:none; }
.footer-proj span { color:#fff; font-weight:600; font-size:.9rem; line-height:1.2; }

/* =========================================================== forms ======= */
.form-control, .form-select {
  border-radius: 2px; border: 1px solid var(--light-gray); padding: 0.85rem 1rem;
  font-size: .98rem; background: var(--off-white);
}
.form-control:focus, .form-select:focus {
  border-color: var(--eltech-blue); box-shadow: 0 0 0 3px rgba(84,143,209,.15); background:#fff;
}
.form-label { font-weight:600; font-size:.85rem; color: var(--navy); margin-bottom:.4rem; letter-spacing:.02em; }
.file-drop {
  border: 1px dashed rgba(124,135,148,.5); border-radius: 3px; padding: 20px; text-align:center;
  color: var(--steel-gray); background: var(--off-white); cursor: pointer; transition: border-color .25s, color .25s;
}
.file-drop:hover { border-color: var(--eltech-blue); color: var(--navy); }

.contact-side { background: var(--navy); color:#fff; height:100%; padding: 50px 46px; }
.contact-side h2 { color:#fff; }
.contact-side .ci { display:flex; gap:16px; align-items:flex-start; padding: 16px 0; border-bottom:1px solid rgba(255,255,255,.12); }
.contact-side .ci i { color: var(--eltech-blue); font-size:1.3rem; margin-top:2px; }
.contact-side .ci a, .contact-side .ci span { color:#fff; }
.map-ph { background: var(--light-gray); height: 340px; display:flex; align-items:center; justify-content:center; color: var(--steel-gray); }
.map-section { width: 100%; }
.map-wrapper { width: 100%; height: 480px; overflow: hidden; }
.map-wrapper iframe { width: 100%; height: 100%; display: block; }

/* =========================================================== search ====== */
.search-overlay {
  position: fixed; inset: 0; z-index: 1080; background: rgba(11,23,38,.97);
  backdrop-filter: blur(6px); color:#fff;
  display: none; flex-direction: column;
  opacity: 0; transition: opacity .3s var(--ease);
}
.search-overlay.open { display: flex; opacity: 1; }
.search-overlay .so-inner { max-width: 900px; width: 100%; margin: 0 auto; padding: 0 24px; }
.search-input {
  width:100%; background: transparent; border:none; border-bottom: 2px solid rgba(255,255,255,.3);
  color:#fff; font-size: clamp(1.6rem,4vw,3rem); font-weight: 700; padding: 14px 0; outline:none;
}
.search-input::placeholder { color: rgba(255,255,255,.35); }
.so-close { position: absolute; top: 30px; right: 34px; background:none; border:none; color:#fff; font-size: 2rem; cursor:pointer; }
.so-result { display:block; padding: 18px 0; border-bottom:1px solid rgba(255,255,255,.12); color:#fff; }
.so-result .tag { color: var(--eltech-yellow); font-size:.72rem; letter-spacing:.16em; font-weight:700; text-transform:uppercase; }
.so-result h5 { color:#fff; margin: 6px 0 4px; }
.so-result p { color: rgba(255,255,255,.6); font-size:.9rem; margin:0; }
.so-result:hover h5 { color: var(--eltech-blue); }

/* =========================================================== case study == */
.facts-block { background: var(--off-white); padding: 40px; }
.facts-block .fact { display:flex; justify-content:space-between; gap:20px; padding: 15px 0; border-bottom:1px solid var(--light-gray); }
.facts-block .fact:last-child { border-bottom:none; }
.facts-block .fk { color: var(--steel-gray); font-weight:600; font-size:.85rem; letter-spacing:.04em; text-transform:uppercase; }
.facts-block .fv { color: var(--navy); font-weight:700; text-align:right; }

.scope-item { display:flex; gap:18px; padding: 18px 0; border-bottom:1px solid var(--light-gray); }
.scope-item .sn { color: var(--eltech-blue); font-weight:800; font-size:.9rem; flex:none; width: 34px; }
.scope-item .st { color: var(--navy); font-weight:600; }

.system-tag {
  display:inline-flex; align-items:center; gap:8px; padding: 9px 16px; border:1px solid var(--light-gray);
  border-radius: 2px; font-weight:600; font-size:.92rem; color: var(--navy); background:#fff;
}
.system-tag i { color: var(--eltech-blue); }

.gallery-item { overflow: hidden; cursor: pointer; position: relative; }
.gallery-item img { width:100%; height:100%; object-fit:cover; transition: transform .6s var(--ease); }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item::after { content:"\F52A"; font-family:"bootstrap-icons"; position:absolute; inset:0; display:flex; align-items:center; justify-content:center; color:#fff; font-size:1.6rem; background: rgba(11,23,38,.35); opacity:0; transition:opacity .3s; }
.gallery-item:hover::after { opacity:1; }

/* editorial solution rows */
.sol-row { align-items: center; }
.sol-media { overflow:hidden; }
.sol-media img { width:100%; aspect-ratio: 4/3; object-fit:cover; transition: transform .8s var(--ease); }
.sol-row:hover .sol-media img { transform: scale(1.03); }
.sol-num { font-size: clamp(3rem,6vw,5rem); font-weight:800; color: var(--light-gray); line-height:.8; letter-spacing:-.04em; }
.cap-list { columns: 2; column-gap: 30px; padding:0; list-style:none; margin: 20px 0; }
.cap-list li { padding: 7px 0 7px 22px; position: relative; color:#45505c; font-size:.95rem; break-inside: avoid; }
.cap-list li::before { content:""; position:absolute; left:0; top:15px; width:8px; height:8px; background: var(--eltech-blue); }

/* =========================================================== reveal ====== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* misc */
.divider-diag { height: 60px; background: var(--off-white); clip-path: polygon(0 0, 100% 0, 100% 60%, 0 100%); }
.number-lg { font-size: clamp(3rem,7vw,6rem); font-weight:800; color: var(--eltech-blue); letter-spacing:-.04em; line-height:1; }