/* ============================================================
   C3 Global Energy — c3ge.com
   Design system: "The Seam"
   Navy strata (geology / cargo) cut by one lime seam — the
   brand green — recurring as the structural accent sitewide.
   ============================================================ */

:root {
  /* palette — greens sampled from the C3 logo */
  --navy-950: #071522;
  --navy-900: #0B2236;
  --navy-800: #10304A;
  --navy-700: #16405F;
  --steel:    #125076;   /* logo blue */
  --lime:     #8EB63D;   /* logo green */
  --lime-hi:  #A9CE58;
  --emerald:  #0F8A57;   /* eco / sustainability only */
  --ink:      #14232F;
  --gray:     #5C6B77;
  --gray-lt:  #93A1AC;
  --line:     #E2E8EC;
  --paper:    #FFFFFF;
  --off:      #F4F7F3;

  --font-display: "Archivo", "Pretendard Variable", Pretendard, sans-serif;
  --font-body: "Pretendard Variable", Pretendard, "Inter", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --wrap: 1180px;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --shadow-1: 0 1px 2px rgba(11,34,54,.06), 0 8px 24px rgba(11,34,54,.07);
  --shadow-2: 0 2px 6px rgba(11,34,54,.08), 0 18px 44px rgba(11,34,54,.14);
  --ease: cubic-bezier(.22,.61,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html:lang(ko) { word-break: keep-all; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
::selection { background: var(--lime); color: var(--navy-950); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

/* ---------- type scale ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--ink); }
.display {
  font-size: clamp(2.6rem, 6.2vw, 4.6rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: #fff;
}
.h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 750; line-height: 1.16; letter-spacing: -0.015em; }
.h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 700; line-height: 1.28; }
.lead { font-size: clamp(1.02rem, 1.5vw, 1.2rem); color: var(--gray); max-width: 62ch; }
:lang(ko) .display, :lang(ko) .h2 { letter-spacing: -0.03em; font-weight: 780; }

/* the structural eyebrow: a cargo-manifest line */
.eyebrow {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--steel);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 34px; height: 2px;
  background: var(--lime);
}
.on-dark .eyebrow { color: var(--lime-hi); }

/* the seam: signature divider */
.seam {
  height: 2px; border: 0; width: 100%;
  background: linear-gradient(90deg, var(--lime) 0 42%, var(--line) 42% 100%);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 650; font-size: .95rem;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s, border-color .25s;
}
.btn svg { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary { background: var(--lime); color: var(--navy-950); }
.btn-primary:hover { background: var(--lime-hi); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(142,182,61,.35); }
.btn-ghost { border-color: rgba(255,255,255,.45); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); transform: translateY(-2px); }
.btn-navy { background: var(--navy-900); color: #fff; }
.btn-navy:hover { background: var(--navy-800); transform: translateY(-2px); box-shadow: var(--shadow-1); }

/* ---------- navigation ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  transition: background .35s var(--ease), box-shadow .35s var(--ease), backdrop-filter .35s;
}
.nav-inner {
  max-width: var(--wrap); margin: 0 auto; padding: 0 28px;
  height: 76px; display: flex; align-items: center; gap: 36px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.nav-logo img { height: 42px; width: auto; background: #fff; border-radius: 9px; padding: 4px 7px; }
.nav-logo strong {
  font-family: var(--font-display); font-weight: 800; font-size: 1.02rem;
  letter-spacing: -.01em; color: #fff; white-space: nowrap;
}
.nav-links { display: flex; gap: 6px; }
.nav-links a {
  font-weight: 560; font-size: .94rem; color: rgba(255,255,255,.86);
  padding: 9px 14px; border-radius: 8px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.1); }
.nav-links a.active { color: var(--lime-hi); }
.lang-switch {
  display: flex; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; overflow: hidden;
  font-family: var(--font-mono); font-size: .74rem;
}
.lang-switch a { padding: 7px 13px; color: rgba(255,255,255,.75); transition: background .2s, color .2s; }
.lang-switch a.on { background: var(--lime); color: var(--navy-950); font-weight: 600; }
.lang-switch a:not(.on):hover { color: #fff; }

/* scrolled state: white bar */
.nav.scrolled { background: rgba(255,255,255,.92); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line), 0 8px 30px rgba(11,34,54,.06); }
.nav.scrolled .nav-logo strong { color: var(--navy-900); }
.nav.scrolled .nav-links a { color: var(--gray); }
.nav.scrolled .nav-links a:hover { color: var(--navy-900); background: var(--off); }
.nav.scrolled .nav-links a.active { color: var(--steel); }
.nav.scrolled .lang-switch { border-color: var(--line); }
.nav.scrolled .lang-switch a { color: var(--gray); }
.nav.scrolled .lang-switch a.on { color: var(--navy-950); }
.nav.scrolled .nav-burger span { background: var(--navy-900); }

.nav-burger { display: none; background: none; border: 0; cursor: pointer; padding: 10px; margin-left: 4px; }
.nav-burger span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; transition: transform .3s var(--ease), opacity .2s; }
.nav.open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.open .nav-burger span:nth-child(2) { opacity: 0; }
.nav.open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  background: linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 58%, var(--navy-800) 100%);
  display: flex; align-items: center;
  overflow: hidden;
  color: #fff;
}
.hero-strata { position: absolute; inset: auto 0 -2px 0; width: 100%; height: 58%; pointer-events: none; will-change: transform; }
.hero-grid {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.9), transparent 72%);
}
.hero-inner { position: relative; z-index: 2; padding: 150px 0 130px; width: 100%; }
.hero-tag {
  font-family: var(--font-mono); font-size: .8rem; letter-spacing: .32em;
  color: var(--lime-hi); text-transform: uppercase; margin-bottom: 26px;
  display: flex; align-items: center; gap: 14px;
}
.hero-tag::before { content: ""; width: 44px; height: 2px; background: var(--lime); }
.hero p.hero-sub { margin: 26px 0 40px; max-width: 56ch; color: rgba(255,255,255,.78); font-size: clamp(1rem, 1.6vw, 1.18rem); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-meta {
  margin-top: 72px; display: flex; gap: 34px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em;
  color: rgba(255,255,255,.55); text-transform: uppercase;
}
.hero-meta span b { color: var(--lime-hi); font-weight: 500; }
.scroll-hint {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 3;
  width: 1.5px; height: 46px; background: rgba(255,255,255,.25); overflow: hidden;
}
.scroll-hint::after {
  content: ""; position: absolute; inset: 0; background: var(--lime);
  animation: drip 2.1s var(--ease) infinite;
}
@keyframes drip { 0% { transform: translateY(-100%);} 55% { transform: translateY(0);} 100% { transform: translateY(100%);} }

/* page hero (subpages) */
.page-hero {
  background: linear-gradient(160deg, var(--navy-950), var(--navy-800));
  color: #fff; padding: 170px 0 86px; position: relative; overflow: hidden;
}
.page-hero .display { font-size: clamp(2.1rem, 4.6vw, 3.4rem); }
.page-hero .lead { color: rgba(255,255,255,.75); margin-top: 18px; }
.page-hero .hero-strata { height: 46%; opacity: .8; }
.crumbs { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: 20px; }
.crumbs b { color: var(--lime-hi); font-weight: 500; }

/* ---------- sections ---------- */
.section { padding: 108px 0; }
.section.tint { background: var(--off); }
.section.dark { background: var(--navy-900); color: #fff; }
.section.dark .h2, .section.dark .h3 { color: #fff; }
.section.dark .lead { color: rgba(255,255,255,.72); }
.sec-head { max-width: 720px; margin-bottom: 56px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head.center .eyebrow { justify-content: center; }

/* ---------- KPI metrics ---------- */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.kpi {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 30px 26px 26px; position: relative; overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.kpi::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--lime); transform: scaleY(0); transform-origin: bottom; transition: transform .45s var(--ease); }
.kpi:hover { transform: translateY(-5px); box-shadow: var(--shadow-2); }
.kpi:hover::before { transform: scaleY(1); }
.kpi .num { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.9rem, 3vw, 2.6rem); color: var(--navy-900); letter-spacing: -.02em; line-height: 1.05; }
.kpi .num small { font-size: .55em; font-weight: 700; color: var(--steel); margin-left: 2px; }
.kpi .cap { margin-top: 10px; color: var(--gray); font-size: .92rem; }
.kpi .mono { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em; color: var(--gray-lt); text-transform: uppercase; margin-bottom: 14px; }

/* ---------- business cards ---------- */
.biz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.biz-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 34px 30px 30px; position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 14px; min-height: 300px;
  transition: transform .32s var(--ease), box-shadow .32s var(--ease), border-color .32s;
}
.biz-card::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--lime), var(--emerald));
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease);
}
.biz-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); border-color: transparent; }
.biz-card:hover::after { transform: scaleX(1); }
.biz-ico {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--off); color: var(--steel);
  display: grid; place-items: center;
}
.biz-ico svg { width: 26px; height: 26px; stroke: currentColor; }
.biz-card:hover .biz-ico { background: var(--navy-900); color: var(--lime-hi); }
.biz-ico, .biz-ico svg { transition: background .3s, color .3s; }
.biz-card .h3 { color: var(--navy-900); }
.biz-card p { color: var(--gray); font-size: .95rem; flex-grow: 1; }
.biz-tag { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; color: var(--gray-lt); text-transform: uppercase; }
.biz-more { font-weight: 650; font-size: .9rem; color: var(--steel); display: inline-flex; align-items: center; gap: 8px; }
.biz-more svg { width: 15px; height: 15px; transition: transform .25s var(--ease); }
.biz-card:hover .biz-more svg { transform: translateX(4px); }

/* ---------- business detail sections ---------- */
.biz-detail { padding: 96px 0; border-top: 1px solid var(--line); scroll-margin-top: 86px; }
.biz-detail:nth-of-type(even) { background: var(--off); }
.biz-detail .grid2 { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: start; }
.spec-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.spec-table th, .spec-table td { text-align: left; padding: 13px 4px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { font-family: var(--font-mono); font-weight: 500; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gray-lt); width: 34%; }
.chiprow { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 13px; color: var(--steel);
}
.section.tint .chip, .biz-detail:nth-of-type(even) .chip { background: #fff; }
.chip.green { background: rgba(142,182,61,.13); border-color: rgba(142,182,61,.4); color: #5C7F22; }
.check-list li { display: flex; gap: 12px; padding: 9px 0; color: var(--ink); }
.check-list li::before {
  content: ""; flex: none; width: 18px; height: 18px; margin-top: 4px; border-radius: 50%;
  background: rgba(142,182,61,.16) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%235C7F22" stroke-width="3.4" stroke-linecap="round" stroke-linejoin="round"><path d="M5 13l4 4 10-11"/></svg>') center/10px no-repeat;
}

/* product visual panels (no dimension text — clean product forms) */
.visual-panel {
  border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-1);
  background: var(--navy-900); position: sticky; top: 104px;
}
.visual-panel svg { width: 100%; height: auto; }
.visual-cap {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.55); padding: 14px 20px; border-top: 1px solid rgba(255,255,255,.08);
}

/* ---------- history timeline ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--lime) 0%, var(--line) 100%); }
.era { position: relative; padding: 0 0 64px; }
.era:last-child { padding-bottom: 0; }
.era::before {
  content: ""; position: absolute; left: -34px; top: 8px; width: 18px; height: 18px; border-radius: 50%;
  background: #fff; border: 3px solid var(--lime); box-shadow: 0 0 0 5px rgba(142,182,61,.15);
}
.era-year { font-family: var(--font-display); font-weight: 800; font-size: 1.45rem; color: var(--navy-900); letter-spacing: -.01em; }
.era-title { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--steel); margin: 6px 0 18px; }
.era ul { display: grid; gap: 9px; }
.era li { position: relative; padding-left: 20px; color: var(--gray); }
.era li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 2px; background: var(--lime); }
.era li b { color: var(--ink); font-weight: 640; }

/* ---------- world map ---------- */
.map-shell { background: var(--navy-950); border-radius: var(--r-lg); padding: clamp(16px, 3vw, 40px); position: relative; overflow: hidden; }
.map-shell svg { width: 100%; height: auto; }
.map-land { fill: #16344E; stroke: #0B2236; stroke-width: .4; transition: fill .25s; }
.map-hot  { fill: var(--lime); stroke: #0B2236; stroke-width: .4; cursor: pointer; transition: fill .25s, filter .25s; }
.map-hot:hover, .map-hot.lit { fill: var(--lime-hi); filter: drop-shadow(0 0 8px rgba(169,206,88,.55)); }
.map-route { fill: none; stroke: rgba(169,206,88,.75); stroke-width: 1.3; stroke-dasharray: 5 7; stroke-linecap: round; animation: routeflow 2.8s linear infinite; }
@keyframes routeflow { to { stroke-dashoffset: -48; } }
.map-node { fill: var(--lime-hi); }
.map-node-ring { fill: none; stroke: var(--lime-hi); stroke-width: 1.2; opacity: .8; transform-origin: center; transform-box: fill-box; animation: ping 2.6s var(--ease) infinite; }
@keyframes ping { 0% { transform: scale(.4); opacity: .9; } 80%, 100% { transform: scale(2.4); opacity: 0; } }
.map-hub { fill: #fff; }
.map-tip {
  position: absolute; pointer-events: none; z-index: 5;
  background: #fff; color: var(--navy-900); border-radius: 10px;
  padding: 10px 14px; font-size: .85rem; box-shadow: var(--shadow-2);
  opacity: 0; transform: translate(-50%, calc(-100% - 14px)) scale(.96);
  transition: opacity .18s var(--ease), transform .18s var(--ease);
  white-space: nowrap;
}
.map-tip b { display: block; font-family: var(--font-display); font-weight: 700; }
.map-tip span { color: var(--gray); font-size: .78rem; }
.map-tip.show { opacity: 1; transform: translate(-50%, calc(-100% - 10px)) scale(1); }
.map-legend { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 26px; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; color: rgba(255,255,255,.6); text-transform: uppercase; }
.map-legend i { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 8px; }
.net-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 56px; }
.net-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); padding: 26px 24px; transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.net-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-1); }
.net-card .mono { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em; color: var(--gray-lt); text-transform: uppercase; }
.net-card h4 { margin: 8px 0 6px; font-size: 1.06rem; color: var(--navy-900); }
.net-card p { color: var(--gray); font-size: .9rem; }

/* ---------- company page ---------- */
.fact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 60px; border-top: 2px solid var(--navy-900); }
.fact { display: flex; justify-content: space-between; gap: 24px; padding: 18px 4px; border-bottom: 1px solid var(--line); }
.fact dt { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gray-lt); padding-top: 4px; flex: none; }
.fact dd { text-align: right; font-weight: 560; color: var(--ink); }
.fact dd a { color: var(--steel); border-bottom: 1px solid rgba(18,80,118,.3); }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value-card { border: 1px solid rgba(255,255,255,.14); border-radius: var(--r-md); padding: 30px 26px; background: rgba(255,255,255,.04); transition: background .3s, transform .3s var(--ease); }
.value-card:hover { background: rgba(255,255,255,.08); transform: translateY(-4px); }
.value-card .mono { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em; color: var(--lime-hi); text-transform: uppercase; }
.value-card h4 { color: #fff; margin: 12px 0 8px; font-size: 1.12rem; }
.value-card p { color: rgba(255,255,255,.66); font-size: .92rem; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.c-info li { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.c-info .ic { flex: none; width: 42px; height: 42px; border-radius: 12px; background: var(--off); color: var(--steel); display: grid; place-items: center; }
.c-info .ic svg { width: 20px; height: 20px; }
.c-info b { display: block; font-size: .8rem; font-family: var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--gray-lt); font-weight: 500; margin-bottom: 3px; }
.c-info span, .c-info a { color: var(--ink); font-weight: 550; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 40px; box-shadow: var(--shadow-1); }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.f-field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.f-field label { font-size: .82rem; font-weight: 620; color: var(--navy-900); }
.f-field label em { color: var(--emerald); font-style: normal; }
.f-field input, .f-field select, .f-field textarea {
  font: inherit; color: var(--ink);
  border: 1.5px solid var(--line); border-radius: 10px;
  padding: 12px 14px; background: var(--off);
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.f-field textarea { min-height: 140px; resize: vertical; }
.f-field input:focus, .f-field select:focus, .f-field textarea:focus {
  outline: none; border-color: var(--lime); background: #fff; box-shadow: 0 0 0 4px rgba(142,182,61,.15);
}
.f-field input[type="file"] { padding: 10px; background: #fff; border-style: dashed; font-size: .88rem; color: var(--gray); }
.f-note { font-size: .8rem; color: var(--gray-lt); margin: 4px 0 20px; }
.form-ok { display: none; margin-top: 18px; background: rgba(15,138,87,.09); border: 1px solid rgba(15,138,87,.3); color: var(--emerald); border-radius: 10px; padding: 14px 16px; font-size: .9rem; }
.form-ok.show { display: block; }
.map-embed { border: 0; width: 100%; height: 380px; border-radius: var(--r-lg); box-shadow: var(--shadow-1); margin-top: 64px; filter: saturate(.9); }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--navy-950), var(--navy-800) 70%, #1E4A2E); color: #fff; position: relative; overflow: hidden; }
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 36px; padding-top: 88px; padding-bottom: 88px; flex-wrap: wrap; }
.cta-band .h2 { color: #fff; max-width: 22ch; }
.cta-band p { color: rgba(255,255,255,.7); margin-top: 12px; max-width: 50ch; }

/* ---------- footer ---------- */
.footer { background: var(--navy-950); color: rgba(255,255,255,.66); padding: 74px 0 0; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-bottom: 54px; }
.footer .nav-logo img { height: 40px; }
.footer h5 { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.45); font-weight: 500; margin-bottom: 18px; }
.footer li { margin-bottom: 10px; }
.footer a:hover { color: var(--lime-hi); }
.footer address { font-style: normal; line-height: 1.9; margin-top: 18px; }
.footer-bar { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em; color: rgba(255,255,255,.4); }

/* ---------- reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }

/* ---------- language landing (root) ---------- */
.landing { min-height: 100svh; display: grid; place-items: center; background: linear-gradient(160deg, var(--navy-950), var(--navy-800)); color: #fff; text-align: center; padding: 24px; }
.landing img { height: 84px; margin: 0 auto 30px; background: #fff; border-radius: 18px; padding: 12px 16px; }
.landing .btns { display: flex; gap: 14px; justify-content: center; margin-top: 34px; flex-wrap: wrap; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .kpis, .biz-grid, .net-grid, .value-grid { grid-template-columns: repeat(2, 1fr); }
  .biz-detail .grid2, .contact-grid { grid-template-columns: 1fr; }
  .visual-panel { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .nav-links {
    position: fixed; inset: 76px 0 auto 0; flex-direction: column; gap: 4px;
    background: var(--navy-950); padding: 18px 22px 26px;
    transform: translateY(-130%); transition: transform .4s var(--ease);
    box-shadow: 0 30px 60px rgba(0,0,0,.35);
  }
  .nav.scrolled .nav-links { background: #fff; }
  .nav.open .nav-links { transform: none; }
  .nav-links a { padding: 13px 12px; font-size: 1.02rem; }
  .nav-burger { display: block; }
  .nav-logo strong { display: none; }
}
@media (max-width: 640px) {
  .kpis, .biz-grid, .net-grid, .value-grid, .fact-grid, .f-row, .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 76px 0; }
  .hero-inner { padding: 130px 0 110px; }
  .hero-meta { gap: 18px; }
  .form-card { padding: 26px 20px; }
  .fact dd { text-align: left; }
  .fact { flex-direction: column; gap: 4px; }
}

/* ---------- accessibility ---------- */
:focus-visible { outline: 3px solid var(--lime); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- carburizer page & photo panels ---------- */
.visual-panel img { width: 100%; height: auto; display: block; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.section.dark .net-card { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.14); }
.spec-hi {
  background: linear-gradient(120deg, var(--navy-950), var(--navy-800));
  border-radius: var(--r-lg); padding: 48px;
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center;
  border: 1px solid rgba(142,182,61,.35);
}
.spec-hi .check-list li { color: rgba(255,255,255,.82); }
.spec-hi .num-big {
  font-family: var(--font-display); font-weight: 800; letter-spacing: -.01em;
  font-size: clamp(1.8rem, 3.6vw, 2.8rem); color: var(--lime-hi); text-align: right;
}
.net-card ul.mini { margin-top: 12px; display: grid; gap: 7px; }
.net-card ul.mini li { position: relative; padding-left: 16px; color: var(--gray); font-size: .88rem; }
.net-card ul.mini li::before { content: ""; position: absolute; left: 0; top: .6em; width: 7px; height: 2px; background: var(--lime); }
@media (max-width: 1020px) { .grid4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 820px) { .spec-hi { grid-template-columns: 1fr; padding: 32px; } .spec-hi .num-big { text-align: left; } }
@media (max-width: 640px) { .grid4 { grid-template-columns: 1fr; } }

/* bold emphasis inside business descriptions */
.lead b { color: var(--ink); font-weight: 680; }
.section.dark .lead b, .page-hero .lead b { color: #fff; }