/* ============================================
   LONERO ENGINEERING — DESIGN SYSTEM V2
   Heritage industrial / green-navy photographic
   ============================================ */

:root {
  --navy: #0D212E;
  --navy-2: #15324A;
  --green: #3C8C6A;
  --green-light: #5FE0A0;
  --paper: #F7F8F7;
  --paper-2: #ECEFEC;
  --steel: #5C6B6A;
  --line: #D6DCD9;
  --white: #FFFFFF;
  --ink: #16201E;

  --font-display: 'Archivo', Arial, sans-serif;
  --font-body: 'Inter', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --max-width: 1200px;
  --header-h: 84px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0;
  line-height: 1.14;
  font-weight: 800;
}
h1 { font-size: clamp(2.2rem, 4.6vw, 3.8rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.2rem; letter-spacing: 0.03em; }
h4 { font-size: 0.95rem; letter-spacing: 0.06em; }

p { margin: 0 0 1rem; color: var(--steel); max-width: 62ch; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(95,224,160,0.14);
  border: 1px solid rgba(95,224,160,0.4);
  color: var(--green-light);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 7px 14px;
  margin-bottom: 22px;
}
.tag.on-light { background: rgba(60,140,106,0.1); border-color: rgba(60,140,106,0.35); color: var(--green); }

.spec-line {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.spec-line::before { content: ''; width: 18px; height: 1px; background: var(--green); display: inline-block; }
.spec-line.on-dark { color: var(--green-light); }
.spec-line.on-dark::before { background: var(--green-light); }

.stat { font-family: var(--font-display); font-weight: 800; font-size: 2.6rem; color: var(--green-light); line-height: 1; }
.stat-label { font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.6); margin-top: 8px; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 700;
  padding: 14px 26px;
  border: 1px solid var(--navy);
  background: transparent;
  color: var(--navy);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn:hover { background: var(--navy); color: var(--white); }

.btn-primary { background: var(--green); border-color: var(--green); color: var(--white); }
.btn-primary:hover { background: #336F54; border-color: #336F54; }

.btn-ghost-light { border-color: rgba(255,255,255,0.45); color: var(--white); }
.btn-ghost-light:hover { background: var(--white); color: var(--navy); }

/* ---------- Header ---------- */

header.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 500;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(13,33,46,0.04);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo img { height: 42px; width: auto; }

nav.main-nav { display: flex; align-items: center; gap: 28px; }

nav.main-nav a {
  font-family: var(--font-body);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--navy);
  position: relative;
  padding: 8px 0;
}
nav.main-nav a::after {
  content: '';
  position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--green);
  transition: width 0.2s ease;
}
nav.main-nav a:hover::after, nav.main-nav a.active::after { width: 100%; }

.submenu {
  position: absolute;
  top: calc(100% + 14px);
  left: 0;
  background: var(--white);
  border: 1px solid var(--line);
  min-width: 220px;
  box-shadow: 0 16px 32px rgba(13,33,46,0.12);
  padding: 8px 0;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
  z-index: 50;
}
.nav-item { position: relative; }
.nav-item:hover .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu a { display: block; padding: 10px 18px; font-family: var(--font-body); font-size: 0.88rem; text-transform: none; letter-spacing: 0; font-weight: 500; color: var(--ink); text-align: center; }
.submenu a:hover { background: var(--paper-2); color: var(--green); }
.submenu a::after { display: none; }

.header-right { display: flex; align-items: center; gap: 16px; }

.usa-badge {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--steel); font-weight: 600; white-space: nowrap;
}
.usa-badge svg { width: 18px; height: auto; flex-shrink: 0; }

.mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.mobile-toggle span { width: 24px; height: 2px; background: var(--navy); display: block; }

@media (max-width: 980px) {
  nav.main-nav { display: none; }
  .usa-badge { display: none; }
  .mobile-toggle { display: flex; }
  nav.main-nav.open {
    display: flex; position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: var(--white); flex-direction: column; align-items: flex-start; padding: 30px 32px; gap: 4px; overflow-y: auto;
  }
  nav.main-nav.open a { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 0.95rem; }
  nav.main-nav.open .submenu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; background: var(--paper-2); margin: 6px 0 10px; display: none; }
  nav.main-nav.open .nav-item.expanded .submenu { display: block; }
}

/* ---------- RFQ slide-out ---------- */

.rfq-trigger {
  background: var(--green); color: var(--white);
  font-family: var(--font-body); font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
  padding: 12px 22px; border: 1px solid var(--green); cursor: pointer; transition: background 0.2s ease;
}
.rfq-trigger:hover { background: #336F54; }

.rfq-overlay { position: fixed; inset: 0; background: rgba(13,33,46,0.55); z-index: 900; opacity: 0; visibility: hidden; transition: opacity 0.25s ease, visibility 0.25s ease; }
.rfq-overlay.open { opacity: 1; visibility: visible; }

.rfq-panel {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(440px, 100%);
  background: var(--white); z-index: 901; transform: translateX(100%); transition: transform 0.3s ease;
  overflow-y: auto; padding: 40px 36px 60px;
}
.rfq-panel.open { transform: translateX(0); }

.rfq-close { background: none; border: none; font-family: var(--font-mono); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; cursor: pointer; margin-bottom: 30px; padding: 0; color: var(--navy); }

.rfq-panel label { display: block; font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--steel); margin: 18px 0 6px; }
.rfq-panel input, .rfq-panel select, .rfq-panel textarea {
  width: 100%; border: 1px solid var(--line); background: var(--paper); padding: 11px 12px; font-family: var(--font-body); font-size: 0.92rem; color: var(--ink);
}
.rfq-panel textarea { min-height: 110px; resize: vertical; }
.rfq-panel input:focus, .rfq-panel select:focus, .rfq-panel textarea:focus { outline: 2px solid var(--green); outline-offset: 1px; }
.rfq-panel button[type="submit"] { margin-top: 26px; width: 100%; justify-content: center; }

/* ---------- Hero (photographic) ---------- */

.hero {
  min-height: 90vh;
  display: flex;
  align-items: flex-end;
  padding-top: var(--header-h);
  position: relative;
  color: var(--white);
  overflow: hidden;
  background: var(--navy);
}
.hero .hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero .hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero .hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(13,33,46,0.94) 0%, rgba(13,33,46,0.78) 38%, rgba(13,33,46,0.42) 70%, rgba(13,33,46,0.55) 100%);
}
.hero-inner { max-width: var(--max-width); margin: 0 auto; padding: 60px 32px 72px; position: relative; z-index: 2; width: 100%; }
.hero p.lede { color: rgba(255,255,255,0.78); font-size: 1.12rem; max-width: 54ch; margin-top: 20px; }
.hero .hero-ctas { display: flex; gap: 16px; margin-top: 34px; flex-wrap: wrap; }

/* ---------- Stats band (homepage only) ---------- */

.stats-band { background: var(--navy); padding: 56px 0; }
.stats-grid { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 36px; text-align: center; }
.stats-grid .stat-item { padding-bottom: 10px; border-bottom: 2px solid var(--green); min-width: 160px; }

/* ---------- Page hero (secondary pages, no photo) ---------- */

.page-hero { background: var(--navy); color: var(--white); padding: calc(var(--header-h) + 60px) 0 56px; }
.page-hero p.lede { color: rgba(255,255,255,0.75); font-size: 1.04rem; margin-top: 16px; }

/* ---------- Sections ---------- */

section { padding: 84px 0; }
section.tight { padding: 52px 0; }
section.on-dark { background: var(--navy); color: var(--white); }
section.on-dark p { color: rgba(255,255,255,0.68); }
section.on-paper-2 { background: var(--paper-2); }

.section-head { max-width: 640px; margin-bottom: 46px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Capability grid ---------- */

.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cap-card { background: var(--paper); display: flex; flex-direction: column; }
.cap-card .cap-img { aspect-ratio: 4/3; overflow: hidden; background: var(--paper-2); }
.cap-card .cap-img img { width: 100%; height: 100%; object-fit: cover; }
.cap-card .cap-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.cap-card .cap-num { font-family: var(--font-mono); color: var(--green); font-size: 0.82rem; margin-bottom: 10px; }
.cap-card h3 { margin-bottom: 12px; }
.cap-card .cap-link { margin-top: auto; font-family: var(--font-mono); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--green); padding-top: 14px; }

@media (max-width: 880px) { .cap-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .cap-grid { grid-template-columns: 1fr; } }

/* ---------- Two column ---------- */

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 880px) { .two-col { grid-template-columns: 1fr; gap: 34px; } }
.two-col img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.two-col .office-map-wrap { aspect-ratio: 964/450; }

/* ---------- Markets / industry grid ---------- */

.markets-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.market-card { background: var(--white); padding: 30px 22px; }
@media (max-width: 880px) { .markets-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .markets-grid { grid-template-columns: 1fr; } }

/* ---------- Office list ---------- */

.office-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.office-item { border-top: 2px solid var(--green); padding-top: 14px; }
.office-item .region { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--green); margin-bottom: 6px; }
@media (max-width: 880px) { .office-list { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .office-list { grid-template-columns: 1fr; } }

/* ---------- Interactive office map ---------- */

.office-map-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 964/623.29;
  background: var(--paper-2);
  border: 1px solid var(--line);
  overflow: visible;
  padding: 24px 16px;
  box-sizing: border-box;
}
.office-map-wrap::before {
  display: none;
}
.office-map-wrap svg { width: 100%; height: 100%; display: block; }
.office-map-wrap .map-land { fill: var(--line); }

.office-dot {
  cursor: pointer;
  transition: r 0.15s ease;
}
.office-dot .dot-core { fill: var(--navy); }
.office-dot .dot-pulse { fill: var(--navy); opacity: 0.25; }
.office-dot.hq .dot-core { fill: var(--green); }
.office-dot.hq .dot-pulse { fill: var(--green); }
.office-dot:hover .dot-core { r: 7; }

.office-card {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 12px 28px rgba(13,33,46,0.16);
  padding: 14px 18px;
  min-width: 200px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 20;
}
.office-card.visible { opacity: 1; transform: translateY(0); }
.office-card .oc-label {
  font-family: var(--font-mono); font-size: 0.66rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--green); margin-bottom: 4px;
}
.office-card .oc-city { font-family: var(--font-display); font-weight: 800; font-size: 1rem; color: var(--ink); margin-bottom: 6px; }
.office-card .oc-desc {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--steel);
  border-top: 1px solid var(--line); padding-top: 6px; margin-top: 2px;
}

@media (max-width: 600px) {
  .office-card { min-width: 160px; padding: 10px 14px; }
  .office-card .oc-city { font-size: 0.88rem; }
}

/* ---------- Partner logo continuous carousel ---------- */

.partners-section { padding-bottom: 0; }

.partner-carousel {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding: 36px 0;
  background: transparent;
}
.partner-carousel::before, .partner-carousel::after {
  content: '';
  position: absolute; top: 0; bottom: 0; width: 140px; z-index: 2;
  pointer-events: none;
}
.partner-carousel::before { left: 0; background: linear-gradient(90deg, var(--paper), transparent); }
.partner-carousel::after { right: 0; background: linear-gradient(270deg, var(--paper), transparent); }

.carousel-track {
  display: flex;
  align-items: center;
  gap: 56px;
  width: max-content;
  animation: carousel-scroll 32s linear infinite;
}
.partner-carousel:hover .carousel-track { animation-play-state: paused; }

.carousel-track img {
  height: 48px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  flex-shrink: 0;
}

@keyframes carousel-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .carousel-track { animation: none; }
}

/* ---------- Gallery ---------- */

.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.gallery-grid img, .gallery-grid .ph { aspect-ratio: 1; object-fit: cover; width: 100%; background: var(--paper-2); }
@media (max-width: 700px) { .gallery-grid { grid-template-columns: repeat(2,1fr); } }

.ph {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--steel);
  text-align: center; padding: 6px; text-transform: uppercase; letter-spacing: 0.05em;
  border: 1px dashed var(--line);
}

/* ---------- Quality / certs ---------- */

.cert-row { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.cert-badge {
  width: 96px; height: 96px; border: 2px solid var(--green); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; text-align: center;
  font-family: var(--font-mono); font-size: 0.62rem; font-weight: 700; letter-spacing: 0.05em; color: var(--navy);
  padding: 6px; flex-shrink: 0;
}

/* ---------- CTA band ---------- */

.cta-band { background: var(--green); color: var(--white); padding: 60px 0; }
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-band h2 { color: var(--white); }
.cta-band .btn { border-color: var(--white); color: var(--white); }
.cta-band .btn:hover { background: var(--white); color: var(--green); }

/* ---------- Contact ---------- */

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-detail { margin-bottom: 22px; }
.contact-detail .stat-label { margin-bottom: 6px; color: var(--steel); }
.contact-detail a, .contact-detail div.val { font-family: var(--font-mono); font-size: 1.08rem; color: var(--ink); }

form.contact-form label { display: block; font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--steel); margin: 16px 0 6px; }
form.contact-form input, form.contact-form textarea { width: 100%; border: 1px solid var(--line); background: var(--white); padding: 12px; font-family: var(--font-body); font-size: 0.94rem; }
form.contact-form textarea { min-height: 130px; resize: vertical; }
form.contact-form input:focus, form.contact-form textarea:focus { outline: 2px solid var(--green); outline-offset: 1px; }
form.contact-form button { margin-top: 22px; }

/* ---------- Footer ---------- */

footer.site-footer { background: var(--navy); color: rgba(255,255,255,0.72); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 38px; border-bottom: 1px solid rgba(255,255,255,0.14); }
.footer-grid h4 { color: var(--white); margin-bottom: 16px; font-size: 0.78rem; }
.footer-grid a, .footer-grid p { display: block; font-size: 0.88rem; margin-bottom: 10px; color: rgba(255,255,255,0.62); }
.footer-grid a:hover { color: var(--green-light); }
.footer-logo img { height: 34px; margin-bottom: 14px; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 26px; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; flex-wrap: wrap; gap: 10px; }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Reveal ---------- */

.reveal { opacity: 1; transform: none; transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.pending { opacity: 0; transform: translateY(18px); }
.reveal.in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- Breadcrumb ---------- */

.crumb { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.55); margin-bottom: 18px; }
.crumb a { color: rgba(255,255,255,0.85); }
.crumb a:hover { color: var(--green-light); }