:root {
  --navy-950: #071a2b;
  --navy-900: #0b2940;
  --navy-800: #143d59;
  --ink: #172936;
  --muted: #647582;
  --line: #dce3e7;
  --blue: #176b86;
  --blue-strong: #10536d;
  --green: #2aa77b;
  --green-soft: #ddf2ea;
  --gold: #e4b63f;
  --gold-strong: #a16f12;
  --gold-soft: #fbf1d2;
  --paper: #f4f6f7;
  --white: #ffffff;
  --shell: min(1200px, calc(100% - 80px));
  --footer-shell: var(--shell);
  --header-h: 102px;
  --brand-width: 252px;
  --brand-max-height: 66px;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--ink); background: var(--white); }
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.shell { width: var(--shell); margin: 0 auto; }
.section { padding: 116px 0; }
.section--compact { padding: 88px 0; }
.eyebrow { margin: 0 0 18px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.section-title { max-width: 720px; margin: 0; color: var(--navy-950); font-size: clamp(30px, 3.2vw, 50px); line-height: 1.18; letter-spacing: .025em; }
.lead { max-width: 740px; margin: 25px 0 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 23px; border: 1px solid transparent; font-size: 14px; font-weight: 700; letter-spacing: .02em; transition: .2s ease; }
.button--primary { color: var(--white); background: linear-gradient(105deg, var(--blue), var(--green)); box-shadow: 0 12px 26px rgba(7, 76, 79, .2); }
.button--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(7, 76, 79, .28); }
.button--light { color: var(--white); border-color: rgba(255,255,255,.58); background: transparent; }
.button--light:hover { border-color: var(--white); background: rgba(255,255,255,.1); }
.text-arrow { display: inline-flex; align-items: center; gap: 10px; color: var(--blue-strong); font-size: 14px; font-weight: 800; }
.text-arrow::after { content: "→"; font-size: 19px; font-weight: 400; transition: transform .2s ease; }
.text-arrow:hover::after { transform: translateX(4px); }
.skip-link { position: absolute; z-index: 1000; top: -48px; left: 20px; padding: 12px 16px; color: var(--white); background: var(--blue); }
.skip-link:focus { top: 16px; }

/* shared header and footer */
.site-header { position: sticky; z-index: 80; top: 0; height: var(--header-h); border-bottom: 1px solid rgba(8,37,58,.1); background: rgba(255,255,255,.96); backdrop-filter: blur(16px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; width: var(--shell); height: 100%; margin: 0 auto; gap: 24px; }
.brand { display: inline-flex; flex: 0 0 auto; width: var(--brand-width); height: 100%; align-items: center; }
.brand img { width: 100%; max-height: var(--brand-max-height); height: auto; object-fit: contain; object-position: left center; }
.main-nav { display: flex; align-items: stretch; align-self: stretch; margin-left: auto; }
.nav-item { position: relative; display: flex; align-items: stretch; }
.nav-primary { display: flex; align-items: stretch; }
.nav-link { position: relative; display: inline-flex; align-items: center; padding: 0 13px; color: #41515e; font-size: 14px; font-weight: 700; white-space: nowrap; transition: color .2s ease; }
.nav-link::after { position: absolute; right: 13px; bottom: 0; left: 13px; height: 3px; content: ""; background: linear-gradient(90deg, var(--blue), var(--green)); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.nav-link:hover, .nav-link:focus-visible, .nav-link.is-active, .nav-item.is-active > .nav-primary .nav-link { color: var(--navy-950); }
.nav-link:focus-visible, .submenu-toggle:focus-visible { outline: 2px solid rgba(20,127,137,.42); outline-offset: -4px; }
.nav-link.is-active::after, .nav-item.is-active > .nav-primary .nav-link::after { transform: scaleX(1); }
.submenu-toggle { display: grid; width: 28px; margin-left: -10px; padding: 0; place-items: center; color: #60717d; border: 0; background: transparent; cursor: pointer; }
.submenu-toggle svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s ease; }
.submenu-toggle:hover, .submenu-toggle:focus-visible, .nav-item.is-submenu-open .submenu-toggle { color: var(--blue-strong); }
.nav-item.is-submenu-open .submenu-toggle svg { transform: rotate(180deg); }
.submenu { position: absolute; z-index: 90; top: calc(100% - 10px); left: 50%; display: grid; min-width: 196px; padding: 10px; border: 1px solid rgba(8,37,58,.12); background: rgba(255,255,255,.99); box-shadow: 0 22px 48px rgba(4,27,45,.16); opacity: 0; visibility: hidden; pointer-events: none; transform: translate(-50%, 9px); transition: opacity .18s ease, visibility .18s ease, transform .18s ease; }
.nav-item:nth-last-child(-n+2) .submenu { right: 0; left: auto; transform: translate(0, 9px); }
.nav-item--has-children.is-submenu-open .submenu { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.nav-item--has-children:nth-last-child(-n+2).is-submenu-open .submenu { transform: translate(0, 0); }
.submenu a { position: relative; display: flex; min-height: 44px; align-items: center; padding: 9px 13px; color: #5d6f7b; font-size: 13px; font-weight: 700; line-height: 1.45; white-space: nowrap; transition: color .18s ease, background .18s ease, padding .18s ease; }
.submenu a:hover, .submenu a:focus-visible, .submenu a.is-current { padding-left: 17px; color: var(--blue-strong); background: #edf7f5; }
.submenu a.is-current::before { position: absolute; top: 10px; bottom: 10px; left: 5px; width: 3px; content: ""; background: linear-gradient(180deg, var(--blue), var(--green)); }
.header-cta { flex: 0 0 auto; margin-left: 8px; padding: 12px 16px; color: var(--navy-900); border: 1px solid rgba(8,37,58,.24); font-size: 13px; font-weight: 800; transition: .2s ease; }
.header-cta:hover { color: var(--white); border-color: var(--blue); background: var(--blue); }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 10px; border: 1px solid var(--line); background: var(--white); }
.menu-toggle span { display: block; height: 2px; margin: 4px 0; background: var(--navy-950); transition: .2s ease; }
.site-footer { color: #526976; border-top: 1px solid rgba(23,107,134,.13); background: linear-gradient(180deg, #edf5f6 0%, #f8fafb 100%); }
.footer-top, .footer-bottom { width: var(--footer-shell); }
.footer-top { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(140px, .62fr) minmax(140px, .62fr); gap: clamp(56px, 7vw, 92px); padding: 72px 0 52px; }
.footer-brand { margin-left: 0; }
.footer-brand .brand { width: var(--brand-width); height: auto; padding: 0; background: transparent; }
.footer-brand .brand img { max-height: var(--brand-max-height); }
.footer-brand p { max-width: 470px; margin: 25px 0 0; font-size: 14px; line-height: 2; }
.footer-title { margin: 8px 0 24px; color: var(--navy-950); font-size: 16px; letter-spacing: .08em; }
.footer-links { display: grid; gap: 18px; }
.footer-links a { font-size: 13px; line-height: 1.6; transition: color .2s ease; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--blue-strong); }
.footer-bottom { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 16px; padding: 24px 0; border-top: 1px solid var(--line); font-size: 12px; }
.footer-bottom::after { content: ""; }
.footer-filing { justify-self: center; white-space: nowrap; }
.footer-icp { color: var(--blue-strong); font-weight: 700; letter-spacing: .02em; transition: color .2s ease; }
.footer-icp:hover, .footer-icp:focus-visible { color: var(--navy-950); text-decoration: underline; text-underline-offset: 3px; }

/* page hero */
.hero { position: relative; min-height: min(620px, calc(100vh - var(--header-h))); color: var(--white); overflow: hidden; background: var(--navy-950); }
.hero-media, .hero-media::after { position: absolute; inset: 0; }
.hero-media { background: url("/assets/client-20260903/home-hero-generated-20260903.webp") 55% 52%/cover no-repeat; filter: saturate(.9) contrast(1.02); transform: scale(1.008); }
.hero-media::after { content: ""; background: linear-gradient(90deg, rgba(2,20,34,.93) 0%, rgba(3,28,45,.84) 32%, rgba(4,34,51,.58) 53%, rgba(4,31,48,.18) 78%, rgba(4,27,43,.12) 100%), linear-gradient(180deg, rgba(6,29,43,.02) 0%, rgba(3,24,38,.1) 58%, rgba(3,24,38,.34) 100%); }
.hero-content { position: relative; z-index: 1; display: flex; min-height: inherit; flex-direction: column; justify-content: center; padding: 88px 0 92px; }
.hero-kicker { display: flex; align-items: center; gap: 12px; margin: 0 0 28px; color: rgba(215,232,237,.78); font-size: 11px; font-weight: 800; letter-spacing: .2em; }
.hero-kicker::before { width: 34px; height: 2px; content: ""; background: linear-gradient(90deg, var(--blue), var(--green)); }
.hero h1 { max-width: 780px; margin: 0; font-size: clamp(43px, 5vw, 72px); line-height: 1.1; letter-spacing: .02em; }
.hero-copy { max-width: 620px; margin: 34px 0 0; color: rgba(235,243,245,.72); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.hero-ribbon { position: absolute; z-index: 2; right: max(32px, calc((100vw - 1180px)/2)); bottom: 0; left: max(32px, calc((100vw - 1180px)/2)); display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.25); background: rgba(5, 28, 46, .78); backdrop-filter: blur(12px); }
.hero-ribbon a { display: block; min-height: 96px; padding: 23px 28px; border-right: 1px solid rgba(255,255,255,.18); transition: background .2s ease; }
.hero-ribbon a:last-child { border-right: 0; }
.hero-ribbon a:hover { background: rgba(37,167,101,.16); }
.hero-ribbon strong, .hero-ribbon span { display: block; }
.hero-ribbon strong { margin-bottom: 6px; color: var(--white); font-size: 16px; }
.hero-ribbon span { color: rgba(255,255,255,.61); font-size: 12px; }

.page-hero { position: relative; overflow: hidden; color: var(--white); background: var(--navy-900); }
.page-hero::after { position: absolute; inset: 0; content: ""; background: radial-gradient(circle at 86% 18%, rgba(42,167,123,.32), transparent 27%), linear-gradient(110deg, #06243a, #123d52); }
.page-hero--image { min-height: 370px; background: var(--navy-900) center/cover no-repeat; }
.page-hero--image::after { background: linear-gradient(90deg, rgba(4,27,45,.93), rgba(4,27,45,.62)); }
.page-hero-content { position: relative; z-index: 1; padding: 76px 0 74px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 26px; color: rgba(255,255,255,.63); font-size: 13px; }
.crumbs a:hover { color: var(--white); }
.crumbs span:last-child { color: rgba(255,255,255,.93); }
.page-hero-eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 14px; color: #f2cf72; font-size: 11px; font-weight: 850; line-height: 1.5; letter-spacing: .2em; text-transform: uppercase; }
.page-hero-eyebrow::before { width: 31px; height: 2px; content: ""; background: var(--gold); }
.page-hero h1 { max-width: 720px; margin: 0; font-size: clamp(39px, 4vw, 58px); line-height: 1.16; letter-spacing: .022em; }
.page-hero p:last-child { max-width: 650px; margin: 20px 0 0; color: rgba(255,255,255,.78); font-size: 17px; line-height: 1.8; }
.business-switcher { border-bottom: 1px solid var(--line); background: var(--white); }
.business-switcher-inner { display: flex; min-height: 68px; align-items: stretch; justify-content: flex-end; }
.business-switcher a { position: relative; display: inline-flex; min-height: 68px; align-items: center; justify-content: center; padding: 0 24px; color: var(--muted); font-size: 14px; font-weight: 750; line-height: 1.45; text-align: center; transition: color .2s ease, background .2s ease; }
.business-switcher a::after { position: absolute; right: 24px; bottom: -1px; left: 24px; height: 3px; content: ""; background: linear-gradient(90deg, var(--blue), var(--green)); transform: scaleX(0); transform-origin: center; transition: transform .2s ease; }
.business-switcher a:hover { color: var(--navy-950); background: #f7fafb; }
.business-switcher a:focus-visible { z-index: 1; outline: 3px solid rgba(28,151,211,.28); outline-offset: -3px; }
.business-switcher a[aria-current="page"] { color: var(--navy-950); background: #f4f9fb; }
.business-switcher a[aria-current="page"]::after { transform: scaleX(1); }

/* business detail architecture */
.business-detail-section { padding-top: 88px; }
.business-detail-layout { display: grid; grid-template-columns: minmax(190px, 230px) minmax(0, 1fr); gap: clamp(48px, 6vw, 86px); align-items: start; }
.business-side-nav { position: sticky; top: calc(var(--header-h) + 28px); overflow: hidden; border-top: 3px solid var(--green); background: var(--paper); }
.business-side-nav h2 { margin: 0; padding: 24px 22px 20px; color: var(--navy-950); font-size: 18px; line-height: 1.4; }
.business-side-links { display: grid; border-top: 1px solid var(--line); }
.business-side-links a { position: relative; display: flex; min-height: 54px; align-items: center; padding: 12px 22px; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 750; line-height: 1.55; transition: color .2s ease, background .2s ease, padding .2s ease; }
.business-side-links a:hover, .business-side-links a:focus-visible, .business-side-links a.is-current { padding-left: 28px; color: var(--blue-strong); background: var(--white); }
.business-side-links a.is-current::before { position: absolute; top: 13px; bottom: 13px; left: 12px; width: 3px; content: ""; background: linear-gradient(180deg, var(--blue), var(--green)); }
.business-detail-content { min-width: 0; }
.business-detail-content > :first-child { margin-top: 0; }
.business-content-block { scroll-margin-top: calc(var(--header-h) + 34px); }
.business-content-block + .business-content-block { margin-top: 66px; padding-top: 66px; border-top: 1px solid var(--line); }
.business-content-block .energy-feature { padding: 0; border: 0; }
.business-intro-copy { max-width: 780px; }
.business-intro-copy h2 { margin: 0; color: var(--navy-950); font-size: clamp(30px, 3vw, 46px); line-height: 1.2; }
.business-intro-copy p { margin: 22px 0 0; color: var(--muted); font-size: 15px; line-height: 1.95; }
.business-intro-copy ul { margin: 24px 0 0; padding-left: 1.2em; color: var(--muted); font-size: 15px; line-height: 1.95; }
.business-video-panel { display: grid; grid-template-columns: minmax(220px, .56fr) minmax(0, 1.44fr); gap: clamp(34px, 5vw, 66px); align-items: center; margin-top: 66px; padding-top: 66px; border-top: 1px solid var(--line); }
.business-video-copy h2 { margin: 0; color: var(--navy-950); font-size: clamp(28px, 3vw, 42px); line-height: 1.25; white-space: nowrap; }
.business-video-copy p:not(.eyebrow) { margin: 19px 0 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.business-video-media { margin: 0; overflow: hidden; background: var(--navy-950); box-shadow: 0 22px 50px rgba(4,27,45,.14); }
.business-video-media video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.business-gallery-section--embedded { padding: 0; background: transparent; }
.business-gallery-section--embedded .business-gallery-frame { min-height: clamp(410px, 44vw, 610px); }
.business-gallery-section--embedded .business-case-board { margin-top: 24px; }

/* overview modules */
.intro-band { background: var(--paper); }
.intro-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: start; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 44px; background: var(--line); }
.stats div { padding: 23px 20px; background: var(--paper); }
.stats dt { margin-bottom: 8px; color: var(--muted); font-size: 12px; }
.stats dd { margin: 0; color: var(--navy-900); font-size: 17px; font-weight: 800; }
.business-rail { border-top: 1px solid var(--line); }
.business-row { display: grid; grid-template-columns: 95px minmax(180px,.75fr) 1.5fr 120px; gap: 32px; align-items: center; min-height: 158px; border-bottom: 1px solid var(--line); transition: background .2s ease, padding .2s ease; }
.business-row:hover { padding-right: 18px; padding-left: 18px; background: #f5fafc; }
.business-num { color: var(--blue); font-family: Georgia, serif; font-size: 24px; font-style: italic; }
.business-row h3 { margin: 0; color: var(--navy-950); font-size: 22px; line-height: 1.3; }
.business-row p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.business-row .text-arrow { justify-self: end; }
.business-showcase-tools { display: flex; align-items: center; justify-content: flex-end; gap: 14px; margin-bottom: 24px; }
.business-hint { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; text-align: right; }
.business-carousel-toggle { display: inline-flex; min-height: 36px; align-items: center; gap: 7px; padding: 7px 12px; color: var(--navy-900); border: 1px solid var(--line); border-radius: 999px; background: var(--white); font: inherit; font-size: 12px; font-weight: 750; cursor: pointer; transition: color .2s ease, border-color .2s ease, background .2s ease; }
.business-carousel-toggle[hidden] { display: none; }
.business-carousel-toggle:hover { color: var(--blue); border-color: rgba(26,132,205,.4); background: #f5fafc; }
.business-carousel-toggle:focus-visible { outline: 3px solid rgba(28,151,211,.28); outline-offset: 3px; }
.business-carousel-toggle svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.business-carousel-toggle .icon-play { display: none; fill: currentColor; stroke: none; }
.business-carousel-toggle.is-paused .icon-pause { display: none; }
.business-carousel-toggle.is-paused .icon-play { display: block; }
.home-business { background: linear-gradient(180deg, var(--white) 0%, var(--paper) 100%); }
.home-business-heading { display: grid; justify-items: center; gap: 22px; margin: 0 auto 58px; text-align: center; }
.home-business-heading h2 { margin: 0; color: var(--navy-950); font-size: clamp(32px, 3.1vw, 44px); line-height: 1.2; letter-spacing: .06em; }
.home-business-heading span { width: 38px; height: 2px; background: var(--green); }
.business-showcase { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 1088px; gap: 26px; margin: 0 auto; }
.business-visual { --business-overlay-top: rgba(3,21,36,.06); --business-overlay-mid: rgba(3,21,36,.14); --business-overlay-bottom: rgba(3,21,36,.91); position: relative; isolation: isolate; min-width: 0; aspect-ratio: 3 / 4; overflow: hidden; border-radius: 16px; color: var(--white); background: var(--navy-900); box-shadow: 0 20px 50px rgba(4,27,45,.13); transition: transform .35s ease, box-shadow .35s ease; }
.business-showcase .business-visual:hover, .business-showcase .business-visual:focus-visible { transform: translateY(-5px); box-shadow: 0 28px 60px rgba(4,27,45,.2); }
.business-showcase .business-visual:focus-visible { outline: 3px solid rgba(42,167,123,.34); outline-offset: 4px; }
.business-visual img { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .65s cubic-bezier(.22,.61,.36,1), filter .35s ease; }
[data-business-carousel] .business-carousel-image { opacity: 0; transition: opacity .6s ease, transform .65s cubic-bezier(.22,.61,.36,1), filter .35s ease; }
[data-business-carousel] .business-carousel-image.is-active { opacity: 1; }
.business-visual--energy img { object-position: 50% 50%; }
.business-visual--power img { object-position: 67% 50%; }
.business-visual--supply img { object-position: 50% 50%; }
.business-visual::after { position: absolute; z-index: 1; inset: 0; content: ""; background: linear-gradient(180deg, var(--business-overlay-top) 4%, var(--business-overlay-mid) 43%, var(--business-overlay-bottom) 100%); }
.business-visual:hover img, .business-visual:focus-visible img { transform: scale(1.035); }
.business-visual-meta { position: absolute; z-index: 2; top: 27px; left: 27px; max-width: calc(100% - 90px); color: rgba(255,255,255,.7); font-size: 9px; font-weight: 800; line-height: 1.5; letter-spacing: .16em; }
.business-visual-copy { position: absolute; z-index: 2; right: 27px; bottom: 29px; left: 27px; display: grid; gap: 12px; }
.business-visual-copy strong { max-width: 360px; font-size: clamp(25px, 2.15vw, 32px); line-height: 1.22; letter-spacing: .035em; text-wrap: balance; }
.business-visual-copy strong > span { display: block; }
.business-visual-copy > span { max-width: 380px; color: rgba(239,246,247,.7); font-size: 12px; line-height: 1.78; }
.business-visual-arrow { position: absolute; z-index: 2; top: 25px; right: 25px; display: grid; width: 40px; height: 40px; place-items: center; color: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.38); border-radius: 50%; background: rgba(3,21,36,.08); backdrop-filter: blur(6px); transition: color .25s ease, background .25s ease, border-color .25s ease; }
.business-visual-arrow svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; }
.business-visual:hover .business-visual-arrow, .business-visual:focus-visible .business-visual-arrow { color: var(--navy-950); border-color: var(--white); background: var(--white); }
.image-copy { display: grid; grid-template-columns: 1.02fr .98fr; min-height: 570px; color: var(--white); background: var(--navy-900); }
.image-copy-visual { min-height: 100%; background: url("/assets/pv-rooftop-wide.jpeg") center/cover no-repeat; }
.image-copy-text { display: flex; flex-direction: column; justify-content: center; padding: 72px max(48px, calc((100vw - 1180px)/2)); padding-right: max(48px, calc((100vw - 1180px)/2)); }
.image-copy-text .section-title { color: var(--white); }
.image-copy-text .lead { color: rgba(255,255,255,.72); }
.method-list { display: grid; gap: 24px; margin: 40px 0 0; }
.method-list div { display: grid; grid-template-columns: 46px 1fr; gap: 17px; }
.method-list span { color: #68cf9b; font-size: 13px; font-weight: 800; }
.method-list strong { display: block; margin-bottom: 6px; color: var(--white); font-size: 15px; }
.method-list p { margin: 0; color: rgba(255,255,255,.65); font-size: 13px; line-height: 1.75; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 44px; margin-bottom: 48px; }
.section-head .lead { max-width: 430px; margin: 0; font-size: 15px; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-grid--featured { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.case-grid--featured .case-card { min-height: 430px; }
.case-card { position: relative; min-height: 390px; overflow: hidden; color: var(--white); background: var(--navy-900); }
.case-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.case-card:hover img { transform: scale(1.045); }
.case-card::after { position: absolute; inset: 0; content: ""; background: linear-gradient(0deg, rgba(2,17,28,.92), rgba(2,17,28,0) 67%); }
.case-card-content { position: absolute; z-index: 1; right: 28px; bottom: 26px; left: 28px; }
.case-card small { display: block; margin-bottom: 11px; color: #8be0b0; font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.case-card h3 { margin: 0; font-size: 22px; line-height: 1.35; }
.case-card p { margin: 12px 0 0; color: rgba(255,255,255,.74); font-size: 13px; }
.qualifications { background: #edf5f6; }
.qualification-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 76px; }
.qualification-list { border-top: 1px solid rgba(8,37,58,.18); }
.qualification-list article { display: grid; grid-template-columns: 150px 1fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid rgba(8,37,58,.18); }
.qualification-list .type { color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.qualification-list h3 { margin: 0; color: var(--navy-950); font-size: 17px; }
.qualification-list p { margin: 9px 0 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.news-list { border-top: 1px solid var(--line); }
.news-item { display: grid; grid-template-columns: 110px 1fr 110px; gap: 28px; align-items: center; padding: 26px 0; border-bottom: 1px solid var(--line); }
.news-item time { color: var(--blue); font-size: 13px; font-weight: 800; }
.news-item h3 { margin: 0; color: var(--navy-950); font-size: 18px; line-height: 1.45; }
.news-item p { margin: 7px 0 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.news-item .text-arrow { justify-self: end; }
.cta-band { color: var(--white); background: linear-gradient(112deg, #08283f, #0d4262); }
.cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 42px; padding: 70px 0; }
.cta-band h2 { max-width: 660px; margin: 0; color: var(--white); font-size: clamp(28px, 3vw, 44px); line-height: 1.25; letter-spacing: .02em; }

/* content/list and detail pages */
.page-main { min-height: 56vh; }
.topic-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 50px; }
.topic-nav a { padding: 10px 16px; border: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.topic-nav a:hover, .topic-nav .is-current { color: var(--blue-strong); border-color: #99c6ec; background: #eef8ff; }
.business-overview { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.business-overview article { min-height: 360px; padding: 38px 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.business-overview .number { color: var(--blue); font-family: Georgia,serif; font-size: 24px; font-style: italic; }
.business-overview h2 { margin: 68px 0 13px; color: var(--navy-950); font-size: 27px; }
.business-overview p { min-height: 76px; margin: 0 0 28px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.service-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); }
.service-columns article { padding: 35px 30px; background: var(--white); }
.service-columns span { color: var(--blue); font-size: 13px; font-weight: 800; }
.service-columns h3 { margin: 18px 0 12px; font-size: 20px; }
.service-columns p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.case-list { display: grid; gap: 1px; background: var(--line); }
.case-list article { display: grid; grid-template-columns: 39% 1fr; min-height: 290px; background: var(--white); }
.case-list-visual { position: relative; min-height: 100%; overflow: hidden; background: var(--navy-900); }
.case-list-visual img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.case-list article:hover img { transform: scale(1.035); }
.case-list-copy { display: flex; flex-direction: column; justify-content: center; padding: 42px 50px; }
.case-list-copy .case-meta { margin: 0 0 13px; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.case-list-copy h2 { max-width: 590px; margin: 0; color: var(--navy-950); font-size: 28px; line-height: 1.32; }
.case-list-copy p { max-width: 620px; margin: 17px 0 25px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.authorization-note { margin-top: 44px; padding: 22px 26px; color: #355065; border-left: 3px solid var(--green); background: #f0f8f4; font-size: 14px; line-height: 1.8; }
.detail-layout { display: grid; grid-template-columns: minmax(0,1fr) 280px; gap: 76px; }
.detail-content { font-size: 16px; line-height: 2; }
.detail-content h2 { margin: 0 0 18px; color: var(--navy-950); font-size: 30px; line-height: 1.35; }
.detail-content h3 { margin: 45px 0 12px; color: var(--navy-950); font-size: 21px; }
.detail-content p { margin: 0 0 20px; color: #50606c; }
.source-note { margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--line); font-size: .92rem; }
.source-note a { color: var(--blue); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.detail-content ul { margin: 0; padding-left: 1.2em; color: #50606c; }
.detail-content li { margin-bottom: 8px; }
.detail-aside { align-self: start; padding: 26px; border-top: 3px solid var(--green); background: var(--paper); }
.detail-aside h2 { margin: 0 0 19px; color: var(--navy-950); font-size: 16px; }
.detail-aside dl { margin: 0; }
.detail-aside div { padding: 13px 0; border-top: 1px solid var(--line); }
.detail-aside dt { color: var(--muted); font-size: 12px; }
.detail-aside dd { margin: 6px 0 0; color: var(--ink); font-size: 14px; line-height: 1.6; }
.detail-aside .text-arrow { margin-top: 26px; }
.detail-media { margin: 0 0 42px; }
.detail-media img { width: 100%; max-height: 470px; object-fit: cover; }
.detail-media--construction img { max-height: 560px; object-position: center; }
.detail-media figcaption { padding: 11px 0; color: var(--muted); font-size: 12px; }
.business-gallery-section { overflow: hidden; background: var(--paper); }
.business-gallery-heading { align-items: flex-end; }
.business-gallery-heading .section-title { text-wrap: balance; }
.business-gallery-actions { display: grid; justify-items: end; max-width: 450px; }
.business-gallery-actions .lead { margin: 0 0 18px; text-align: right; }
.business-gallery-frame { position: relative; isolation: isolate; width: 100%; min-height: clamp(430px, 52vw, 650px); margin: 0; overflow: hidden; background: var(--navy-900); box-shadow: 0 24px 54px rgba(4,27,45,.16); }
.business-gallery-frame::after { position: absolute; z-index: 1; inset: 0; content: ""; background: linear-gradient(180deg, rgba(3,21,36,.03) 48%, rgba(3,21,36,.84) 100%); pointer-events: none; }
.business-gallery-frame .business-carousel-image { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.business-gallery-frame figcaption { position: absolute; z-index: 2; right: 36px; bottom: 31px; left: 36px; display: flex; align-items: end; justify-content: space-between; gap: 24px; color: var(--white); }
.business-gallery-frame figcaption strong { font-size: clamp(22px, 2.5vw, 34px); line-height: 1.25; }
.business-gallery-frame figcaption span { color: rgba(255,255,255,.76); font-size: 13px; line-height: 1.7; text-align: right; }
.business-case-links { display: flex; flex-wrap: wrap; gap: 18px 34px; margin-top: 28px; }
.business-case-board { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 28px; border-top: 1px solid rgba(8,37,58,.18); border-bottom: 1px solid rgba(8,37,58,.18); }
.business-case-board article { min-width: 0; padding: 28px 28px 30px; border-left: 1px solid rgba(8,37,58,.14); }
.business-case-board article:first-child { padding-left: 0; border-left: 0; }
.business-case-board small { display: block; margin-bottom: 12px; color: var(--green); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.business-case-board h3 { margin: 0; color: var(--navy-950); font-size: 20px; line-height: 1.45; }
.business-case-board p { margin: 12px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.business-case-board .text-arrow { margin-top: 18px; }
.business-case-board--projects { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; border: 1px solid rgba(8,37,58,.14); background: rgba(8,37,58,.14); }
.business-case-board--projects article, .business-case-board--projects article:first-child { padding: 0; border: 0; background: var(--white); }
.business-case-thumb { display: block; height: 260px; overflow: hidden; background: var(--navy-900); }
.business-case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.business-case-board--projects article:hover .business-case-thumb img { transform: scale(1.025); }
.business-case-copy { padding: 27px 29px 30px; }
.business-case-more { display: flex; justify-content: flex-end; margin-top: 24px; }
.about-profile { background: var(--white); }
.about-profile-grid { display: grid; grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr); gap: 76px; align-items: center; }
.about-profile-media { margin: 0; }
.about-profile-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.about-profile-media figcaption { margin-top: 11px; color: var(--muted); font-size: 12px; }
.about-carousel { position: relative; isolation: isolate; min-height: 420px; margin: 0; overflow: hidden; background: var(--navy-900); box-shadow: 0 22px 54px rgba(4,27,45,.14); }
.about-carousel::after { position: absolute; z-index: 1; inset: 0; content: ""; background: linear-gradient(180deg, transparent 48%, rgba(2,21,36,.8) 100%); pointer-events: none; }
.about-profile-media .about-carousel .business-carousel-image { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; aspect-ratio: auto; object-fit: cover; }
.about-profile-media .about-carousel figcaption { position: absolute; z-index: 2; right: 25px; bottom: 23px; left: 25px; display: grid; gap: 4px; margin: 0; color: var(--white); }
.about-carousel figcaption strong { font-size: 19px; line-height: 1.35; }
.about-carousel figcaption span { color: rgba(255,255,255,.72); font-size: 12px; line-height: 1.6; }
.about-carousel-controls { display: flex; justify-content: flex-end; margin-top: 14px; }
.about-profile-copy .lead { margin-top: 22px; font-size: 15px; }
.culture-section { background: var(--paper); }
.culture-heading { margin-bottom: 42px; }
.culture-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 64px; }
.culture-grid article { position: relative; min-height: 190px; padding: 28px 0 30px 58px; border-top: 1px solid rgba(8,37,58,.18); }
.culture-grid span { position: absolute; top: 31px; left: 0; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.culture-grid h3 { margin: 0 0 12px; color: var(--navy-950); font-size: 20px; }
.culture-grid p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.energy-services { padding-top: 88px; padding-bottom: 88px; }
.energy-feature { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); gap: 72px; align-items: center; padding: 64px 0; border-top: 1px solid var(--line); }
.energy-feature:first-child { padding-top: 0; border-top: 0; }
.energy-feature:last-child { padding-bottom: 0; }
.energy-feature--reverse { grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr); }
.energy-feature--reverse .energy-feature-media { order: 2; }
.energy-feature-media { margin: 0; overflow: hidden; background: var(--paper); }
.energy-feature-media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .45s ease; }
.energy-feature-media:hover img { transform: scale(1.025); }
.energy-feature-media--portrait { background: #e9eff1; }
.energy-feature-media--portrait img { object-fit: contain; object-position: center; }
.energy-feature-copy { max-width: 520px; }
.energy-feature-copy h2, .energy-feature-copy h3 { margin: 0; color: var(--navy-950); font-size: clamp(30px, 3vw, 46px); line-height: 1.2; letter-spacing: .02em; }
.energy-feature-copy p:not(.eyebrow) { margin: 22px 0 0; color: var(--muted); font-size: 15px; line-height: 1.95; }
.video-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 65px; align-items: center; color: var(--white); background: var(--navy-950); }
.video-section-copy { padding: 70px 0 70px max(32px, calc((100vw - 1180px)/2)); }
.video-section-copy .section-title { color: var(--white); }
.video-section-copy .lead { color: rgba(255,255,255,.7); }
.video-frame { padding-right: max(32px, calc((100vw - 1180px)/2)); }
.video-frame video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; box-shadow: 0 24px 60px rgba(0,0,0,.28); }
.news-filter-note { margin: -27px 0 38px; color: var(--muted); font-size: 14px; }
.news-list--full .news-item { grid-template-columns: 130px 1fr 120px; padding: 34px 0; }
.news-list--full .news-item h2 { margin: 0; color: var(--navy-950); font-size: 22px; line-height: 1.4; }
.qualification-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 42px 64px; }
.qualification-group { border-top: 2px solid var(--navy-900); }
.qualification-group h2 { margin: 17px 0 0; color: var(--navy-950); font-size: 22px; }
.qualification-group article { padding: 24px 0; border-bottom: 1px solid var(--line); }
.qualification-group h3 { margin: 0; color: var(--navy-950); font-size: 17px; line-height: 1.55; }
.qualification-group p { margin: 9px 0 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.qualification-disclaimer { margin-top: 64px; padding: 24px 28px; color: #4a5c69; background: #eef5f3; font-size: 14px; line-height: 1.85; }
.contact-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; }
.contact-reserved { padding: 42px; border-top: 4px solid var(--green); background: var(--paper); }
.contact-reserved h2 { margin: 0; color: var(--navy-950); font-size: 28px; }
.contact-reserved > p { margin: 15px 0 33px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.contact-slots { display: grid; gap: 1px; background: var(--line); }
.contact-slots div { display: grid; grid-template-columns: 96px 1fr; gap: 14px; padding: 18px; background: var(--white); }
.contact-slots dt { color: var(--muted); font-size: 13px; }
.contact-slots dd { margin: 0; color: var(--navy-900); font-size: 14px; font-weight: 700; line-height: 1.6; }
.contact-slots .pending { color: #7d909d; font-weight: 400; }
.contact-rules { margin: 42px 0 0; padding: 0; list-style: none; }
.contact-rules li { position: relative; padding: 0 0 16px 20px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.contact-rules li::before { position: absolute; top: .62em; left: 0; width: 7px; height: 7px; content: ""; border-radius: 50%; background: var(--green); }
.not-found { display: flex; min-height: calc(100vh - var(--header-h)); align-items: center; background: var(--paper); }
.not-found h1 { margin: 0; color: var(--navy-950); font-size: clamp(70px, 12vw, 150px); line-height: 1; }
.not-found h2 { margin: 12px 0; color: var(--navy-950); font-size: 31px; }
.not-found p { max-width: 480px; color: var(--muted); line-height: 1.8; }

@media (max-width: 1050px) {
  :root { --shell: min(100% - 46px, 1200px); --brand-width: 188px; --brand-max-height: 52px; }
  .nav-link { padding: 0 9px; font-size: 13px; }
  .nav-link::after { right: 9px; left: 9px; }
  .submenu-toggle { width: 23px; margin-left: -8px; }
  .header-cta { padding: 11px 12px; }
  .image-copy-text { padding-right: 40px; padding-left: 40px; }
  .detail-layout, .contact-layout { gap: 48px; }
  .about-profile-grid, .energy-feature, .energy-feature--reverse { gap: 48px; }
}

@media (max-width: 820px) {
  :root { --shell: calc(100% - 40px); --footer-shell: var(--shell); --header-h: 82px; --brand-width: 174px; --brand-max-height: 48px; }
  .section { padding: 78px 0; }
  .section--compact { padding: 60px 0; }
  .header-cta { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
  .main-nav { position: absolute; top: var(--header-h); right: 0; left: 0; display: none; max-height: calc(100vh - var(--header-h)); height: auto; overflow-y: auto; padding: 12px 20px 21px; border-bottom: 1px solid var(--line); background: var(--white); box-shadow: 0 16px 28px rgba(5,26,43,.11); }
  .main-nav.is-open { display: grid; }
  .nav-item, .nav-primary { display: block; }
  .nav-item { border-bottom: 1px solid #eef2f4; }
  .nav-primary { position: relative; }
  .nav-link { display: flex; min-height: 49px; padding: 0 50px 0 0; border: 0; font-size: 15px; }
  .nav-link::after { right: auto; bottom: -1px; left: 0; width: 46px; }
  .submenu-toggle { position: absolute; top: 0; right: 0; width: 46px; height: 49px; margin: 0; border-left: 1px solid #eef2f4; }
  .submenu { position: static; display: none; min-width: 0; padding: 6px 0 10px 14px; border: 0; border-top: 1px solid #eef2f4; box-shadow: none; opacity: 1; visibility: visible; pointer-events: auto; transform: none; transition: none; }
  .nav-item:nth-last-child(-n+2) .submenu, .nav-item--has-children:nth-last-child(-n+2).is-submenu-open .submenu { right: auto; transform: none; }
  .nav-item--has-children.is-submenu-open .submenu { display: grid; transform: none; }
  .nav-item--has-children.is-submenu-open .submenu-toggle svg { transform: rotate(180deg); }
  .submenu a { min-height: 42px; padding: 8px 14px; font-size: 13px; white-space: normal; }
  .submenu a:hover, .submenu a:focus-visible, .submenu a.is-current { padding-left: 20px; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .hero { min-height: 560px; }
  .hero-content { padding: 62px 0; }
  .hero h1 { max-width: 620px; }
  .hero-ribbon { right: 20px; left: 20px; }
  .hero-ribbon a { min-height: 84px; padding: 17px; }
  .hero-ribbon span { display: none; }
  .page-hero-content { padding: 55px 0; }
  .page-hero--image { min-height: 320px; }
  .intro-grid, .qualification-layout, .detail-layout, .contact-layout, .video-section { grid-template-columns: 1fr; }
  .intro-grid, .qualification-layout, .detail-layout, .contact-layout, .video-section { gap: 38px; }
  .stats { max-width: 600px; }
  .business-row { grid-template-columns: 55px 1fr 90px; gap: 17px; min-height: 138px; }
  .business-row p { display: none; }
  .home-business-heading { margin-bottom: 44px; }
  .business-showcase { gap: 20px; }
  .business-visual-copy { right: 22px; bottom: 22px; left: 22px; }
  .business-visual-arrow { top: 20px; right: 20px; width: 38px; height: 38px; }
  .image-copy { grid-template-columns: 1fr; }
  .image-copy-visual { min-height: 320px; }
  .image-copy-text { padding: 62px 20px; }
  .case-grid, .case-grid--featured, .business-overview, .service-columns { grid-template-columns: 1fr; }
  .case-card { min-height: 330px; }
  .section-head { display: block; }
  .section-head .lead { margin-top: 17px; }
  .footer-top { grid-template-columns: 1.2fr 1fr; gap: 44px; padding-top: 62px; }
  .footer-brand { grid-column: span 2; margin-left: 0; }
  .cta-band-inner { align-items: flex-start; flex-direction: column; }
  .footer-bottom { grid-template-columns: 1fr; justify-items: start; }
  .footer-bottom::after { display: none; }
  .footer-filing { justify-self: start; }
  .case-list article { grid-template-columns: 1fr; }
  .case-list-visual { min-height: 245px; }
  .qualification-groups { grid-template-columns: 1fr; gap: 42px; }
  .about-profile-grid, .energy-feature, .energy-feature--reverse { grid-template-columns: 1fr; gap: 32px; }
  .about-profile-copy { max-width: 680px; }
  .culture-grid { column-gap: 36px; }
  .energy-services { padding-top: 64px; padding-bottom: 64px; }
  .energy-feature { padding: 52px 0; }
  .energy-feature--reverse .energy-feature-media { order: 0; }
  .energy-feature-copy { max-width: 680px; }
  .business-detail-layout { grid-template-columns: 1fr; gap: 42px; }
  .business-side-nav { position: static; }
  .business-side-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .business-side-links a { border-right: 1px solid var(--line); }
  .business-video-panel { grid-template-columns: 1fr; }
  .video-section-copy { padding: 65px 20px 24px; }
  .video-frame { padding: 0 20px 62px; }
  .business-gallery-actions { justify-items: start; max-width: 680px; margin-top: 18px; }
  .business-gallery-actions .lead { text-align: left; }
  .business-gallery-frame { min-height: 480px; }
  .business-case-board { grid-template-columns: 1fr; }
  .business-case-board--projects { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .business-case-board article, .business-case-board article:first-child { padding: 24px 0; border-left: 0; border-top: 1px solid rgba(8,37,58,.14); }
  .business-case-board--projects article, .business-case-board--projects article:first-child { padding: 0; border: 0; }
  .business-case-board article:first-child { border-top: 0; }
  .business-case-more { justify-content: flex-start; }
}

@media (max-width: 520px) {
  :root { --shell: calc(100% - 32px); --footer-shell: var(--shell); }
  .hero { min-height: 585px; }
  .hero-media { background-position: 63% 52%; }
  .hero-media::after { background: linear-gradient(90deg, rgba(2,20,34,.91), rgba(3,27,43,.72)), linear-gradient(180deg, rgba(3,23,37,.16), rgba(3,23,37,.55)); }
  .hero h1 { font-size: 37px; letter-spacing: .012em; }
  .hero-copy { margin-top: 28px; font-size: 15px; line-height: 1.85; }
  .hero-ribbon { grid-template-columns: 1fr; right: 16px; left: 16px; }
  .hero-ribbon a { display: none; min-height: 70px; }
  .hero-ribbon a:first-child { display: block; border-right: 0; }
  .section-title { font-size: 31px; }
  .lead { font-size: 15px; }
  .stats { grid-template-columns: 1fr; }
  .business-row { grid-template-columns: 45px 1fr; min-height: 123px; }
  .business-row .text-arrow { display: none; }
  .business-row h3 { font-size: 19px; }
  .home-business-heading { gap: 18px; margin-bottom: 36px; }
  .home-business-heading h2 { font-size: 31px; }
  .business-showcase { grid-template-columns: 1fr; gap: 18px; }
  .business-visual, .business-showcase .business-visual:hover, .business-showcase .business-visual:focus-visible { aspect-ratio: 4 / 3; transform: none; }
  .business-visual-meta { top: 22px; left: 22px; max-width: calc(100% - 80px); }
  .business-visual-copy { right: 22px; bottom: 23px; left: 22px; gap: 8px; }
  .business-visual-copy strong { font-size: clamp(23px, 7.2vw, 27px); }
  .business-visual-copy > span { font-size: 11px; line-height: 1.65; }
  .business-visual-arrow { top: 20px; right: 20px; width: 38px; height: 38px; }
  .business-switcher-inner { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); min-height: 0; }
  .business-switcher a { min-width: 0; min-height: 64px; padding: 11px 7px; font-size: 12px; white-space: normal; }
  .business-switcher a::after { right: 8px; left: 8px; }
  .case-list-copy { padding: 30px 26px; }
  .case-list-copy h2 { font-size: 24px; }
  .qualification-list article, .news-item, .news-list--full .news-item { grid-template-columns: 1fr; gap: 9px; }
  .news-item .text-arrow { justify-self: start; margin-top: 6px; }
  .detail-aside { display: none; }
  .contact-reserved { padding: 28px 22px; }
  .contact-slots div { grid-template-columns: 1fr; gap: 6px; }
  .about-profile-media img { aspect-ratio: 16 / 11; }
  .about-carousel { min-height: 310px; }
  .culture-grid { grid-template-columns: 1fr; }
  .culture-grid article { min-height: 0; padding-left: 48px; }
  .energy-feature-media img { aspect-ratio: 4 / 3; }
  .energy-feature-copy h2, .energy-feature-copy h3 { font-size: 29px; }
  .business-detail-section { padding-top: 58px; }
  .business-side-nav h2 { padding: 20px 18px 17px; }
  .business-side-links { grid-template-columns: 1fr; }
  .business-side-links a { min-height: 48px; padding: 10px 18px; border-right: 0; }
  .business-side-links a:hover, .business-side-links a:focus-visible, .business-side-links a.is-current { padding-left: 24px; }
  .business-content-block + .business-content-block, .business-video-panel { margin-top: 48px; padding-top: 48px; }
  .business-gallery-frame { min-height: 340px; }
  .business-gallery-frame figcaption { right: 22px; bottom: 20px; left: 22px; display: grid; gap: 5px; }
  .business-gallery-frame figcaption span { text-align: left; }
  .business-case-links { display: grid; gap: 14px; }
  .business-case-board--projects { grid-template-columns: 1fr; }
  .business-case-thumb { height: 220px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
}

@media (max-width: 360px) {
  .hero h1 { font-size: 31px; letter-spacing: 0; }
}

@media (prefers-reduced-motion: reduce) {
  [data-business-carousel] .business-carousel-image { transition: none; }
}

/* careers */
.careers-section { background: var(--white); }
.careers-layout { display: grid; grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr); gap: clamp(56px, 8vw, 118px); align-items: start; border-top: 1px solid var(--line); }
.careers-heading { padding-top: 46px; }
.careers-heading .eyebrow { margin-bottom: 16px; }
.careers-heading h2 { max-width: 390px; margin: 0; color: var(--navy-950); font-size: clamp(35px, 4vw, 58px); line-height: 1.16; letter-spacing: .02em; }
.career-meta { display: grid; margin: 38px 0 0; border-top: 1px solid var(--line); }
.career-meta div { padding: 17px 0; border-bottom: 1px solid var(--line); }
.career-meta dt { margin-bottom: 7px; color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .05em; }
.career-meta dd { margin: 0; color: var(--navy-900); font-size: 14px; font-weight: 700; line-height: 1.75; }
.careers-detail { margin-top: -1px; padding: 46px 0 24px clamp(28px, 4vw, 58px); border-top: 3px solid var(--green); border-left: 1px solid var(--line); }
.career-copy-block + .career-copy-block { margin-top: 48px; padding-top: 45px; border-top: 1px solid var(--line); }
.career-copy-block h3 { margin: 0; color: var(--navy-950); font-size: 26px; line-height: 1.3; }
.career-list { display: grid; gap: 18px; margin: 28px 0 0; padding: 0; list-style: none; counter-reset: career-item; }
.career-list li { position: relative; max-width: 720px; padding-left: 44px; color: var(--muted); font-size: 16px; line-height: 1.9; counter-increment: career-item; }
.career-list li::before { position: absolute; top: .17em; left: 0; display: inline-flex; width: 28px; height: 28px; align-items: center; justify-content: center; content: counter(career-item, decimal-leading-zero); color: var(--green); border: 1px solid rgba(39,167,101,.32); border-radius: 50%; font-size: 10px; font-weight: 800; line-height: 1; }

@media (max-width: 820px) {
  .careers-layout { grid-template-columns: 1fr; gap: 38px; }
  .careers-heading { padding-top: 38px; }
  .career-meta { max-width: 680px; }
  .careers-detail { margin: 0; padding: 34px 0 20px; border-top: 3px solid var(--green); border-left: 0; }
}

@media (max-width: 520px) {
  .careers-layout { gap: 30px; }
  .careers-heading { padding-top: 30px; }
  .careers-heading h2 { font-size: 33px; }
  .career-meta { margin-top: 30px; }
  .careers-detail { padding-top: 28px; }
  .career-copy-block + .career-copy-block { margin-top: 38px; padding-top: 35px; }
  .career-copy-block h3 { font-size: 23px; }
  .career-list { gap: 16px; margin-top: 23px; }
  .career-list li { padding-left: 39px; font-size: 15px; line-height: 1.85; }
}

/* 2026-09 blue and gold visual system */
body { background: #f7f8f9; }
.section { padding: 108px 0; }
.eyebrow { color: var(--gold-strong); letter-spacing: .19em; }
.button { min-height: 52px; padding: 0 27px; }
.button--primary, .button--gold { color: var(--navy-950); border-color: var(--gold); background: var(--gold); box-shadow: 0 14px 32px rgba(166,112,17,.22); }
.button--primary:hover, .button--gold:hover { color: var(--navy-950); border-color: #f0cb6b; background: #f0cb6b; transform: translateY(-2px); box-shadow: 0 18px 38px rgba(166,112,17,.3); }
.text-arrow { color: var(--gold-strong); }
.skip-link { background: var(--gold-strong); }

.site-header { border-bottom-color: rgba(7,26,43,.09); box-shadow: 0 7px 30px rgba(7,26,43,.05); }
.nav-link { color: #344957; font-size: 14px; }
.nav-link::after { background: var(--gold); }
.nav-link:focus-visible, .submenu-toggle:focus-visible { outline-color: rgba(228,182,63,.58); }
.submenu { border-top: 3px solid var(--gold); }
.submenu-toggle:hover, .submenu-toggle:focus-visible, .nav-item.is-submenu-open .submenu-toggle { color: var(--gold-strong); }
.submenu a:hover, .submenu a:focus-visible, .submenu a.is-current { color: var(--navy-950); background: #fff6df; }
.submenu a.is-current::before { background: var(--gold); }

.hero { min-height: min(690px, calc(100vh - var(--header-h))); }
.hero-media { background-image: url("/assets/generated-20260914/home-hero.webp"); background-position: 58% 50%; filter: saturate(.98) contrast(1.04); }
.hero-media::after { background: linear-gradient(90deg, rgba(3,18,31,.9) 0%, rgba(5,29,47,.78) 31%, rgba(6,37,57,.46) 52%, rgba(6,31,48,.08) 76%), linear-gradient(180deg, rgba(2,15,27,.01), rgba(2,15,27,.32)); }
.hero-content { padding: 110px 0; }
.hero h1 { max-width: 960px; font-size: clamp(50px, 6.1vw, 88px); font-weight: 760; line-height: 1.08; text-shadow: 0 4px 24px rgba(0,0,0,.2); }
.hero-copy { max-width: 720px; color: rgba(242,245,247,.78); font-size: 18px; }
.hero-actions { margin-top: 42px; }
.hero .button--light { border-color: rgba(255,255,255,.62); }

.home-business { background: #f8f9fa; }
.home-business-heading { margin-bottom: 52px; }
.home-business-heading > p:first-child { margin: 0; color: var(--gold-strong); font-size: 11px; font-weight: 800; letter-spacing: .22em; }
.home-business-heading h2 { font-size: clamp(36px, 3.4vw, 50px); }
.home-business-heading span { background: var(--gold); }
.section-heading-copy { max-width: 620px; margin: -4px 0 0 !important; color: var(--muted) !important; font-size: 15px !important; line-height: 1.8; letter-spacing: 0 !important; }
.business-showcase { max-width: 1160px; gap: 24px; }
.business-card { position: relative; overflow: hidden; min-width: 0; border: 1px solid rgba(7,26,43,.08); border-radius: 4px; background: var(--white); box-shadow: 0 20px 52px rgba(7,26,43,.09); transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.business-card:hover, .business-card:focus-visible { border-color: rgba(228,182,63,.68); transform: translateY(-7px); box-shadow: 0 28px 66px rgba(7,26,43,.15); }
.business-card:focus-visible { outline: 3px solid rgba(228,182,63,.42); outline-offset: 4px; }
.business-card figure { height: 340px; margin: 0; overflow: hidden; background: var(--navy-900); }
.business-card figure::after { position: absolute; inset: 0 0 auto; height: 340px; content: ""; background: linear-gradient(180deg, transparent 48%, rgba(3,19,31,.35)); pointer-events: none; }
.business-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.2,.7,.2,1); }
.business-card:hover img, .business-card:focus-visible img { transform: scale(1.035); }
.business-card-copy { display: grid; min-height: 218px; align-content: start; padding: 31px 66px 34px 31px; }
.business-card-copy small { margin-bottom: 16px; color: var(--gold-strong); font-size: 9px; font-weight: 850; line-height: 1.5; letter-spacing: .16em; }
.business-card-copy strong { color: var(--navy-950); font-size: 27px; line-height: 1.34; }
.business-card-copy > span { margin-top: 12px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.business-card-arrow { position: absolute; right: 26px; bottom: 31px; display: grid; width: 38px; height: 38px; place-items: center; color: var(--navy-950); border: 1px solid rgba(7,26,43,.18); border-radius: 50%; font-size: 17px; transition: color .2s ease, background .2s ease, border-color .2s ease; }
.business-card:hover .business-card-arrow, .business-card:focus-visible .business-card-arrow { color: var(--navy-950); border-color: var(--gold); background: var(--gold); }

.one-stop { color: var(--white); background: linear-gradient(120deg, #102b42, #203e56 68%, #2f5168); }
.one-stop .eyebrow { color: #f0cf79; }
.one-stop-heading { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(300px,.9fr); gap: 72px; align-items: end; }
.one-stop-heading h2 { margin: 0; font-size: clamp(36px,4vw,58px); line-height: 1.18; }
.one-stop-heading > p { max-width: 540px; margin: 0; color: rgba(255,255,255,.76); font-size: 16px; line-height: 1.9; }
.service-steps { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin: 68px 0 0; padding: 0; border-top: 1px solid rgba(255,255,255,.17); list-style: none; }
.service-steps li { position: relative; min-height: 248px; padding: 35px 28px 31px; border-right: 1px solid rgba(255,255,255,.13); transition: background .25s ease, transform .25s ease; }
.service-steps li:last-child { border-right: 0; }
.service-steps li:hover { background: rgba(255,255,255,.05); transform: translateY(-5px); }
.service-steps span { color: #f0cf79; font-family: Georgia,serif; font-size: 16px; }
.service-steps h3 { margin: 52px 0 0; font-size: 22px; }
.service-steps p { margin: 16px 0 0; color: rgba(255,255,255,.78); font-size: 13px; line-height: 1.85; }

.home-profile { background: var(--white); }
.home-profile-grid { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(360px,.9fr); gap: clamp(56px,7vw,100px); align-items: center; }
.home-profile-media { position: relative; margin: 0; }
.home-profile-media::before { position: absolute; z-index: 1; top: -16px; right: -16px; width: 40%; height: 42%; content: ""; border-top: 3px solid var(--gold); border-right: 3px solid var(--gold); }
.home-profile-media img { width: 100%; aspect-ratio: 16/11; object-fit: cover; }
.home-profile-copy h2 { margin: 12px 0 0; color: var(--navy-950); font-size: clamp(34px,3.5vw,52px); line-height: 1.2; }
.home-profile-copy > p:not(.eyebrow):not(.home-profile-year) { margin: 25px 0 28px; color: var(--muted); font-size: 15px; line-height: 1.95; }
.home-profile-year { display: flex; align-items: end; gap: 10px; margin: 0 0 22px; color: var(--gold-strong); }
.home-profile-year strong { font-family: Georgia,serif; font-size: 50px; font-weight: 500; line-height: 1; }
.home-profile-year span { padding-bottom: 5px; font-size: 14px; }

.page-hero { min-height: 360px; background-color: var(--navy-900); }
body[data-page="business-pv"] .page-hero--image { background-position: center 30%; }
.page-hero:not(.page-hero--image)::before { position: absolute; inset: 0 0 0 45%; content: ""; background: url("/assets/generated-20260914/home-hero.webp") 63% 50%/cover no-repeat; }
body[data-page="about"] .page-hero::before, body[data-page="about-culture"] .page-hero::before { background-image: url("/assets/generated-20260914/business-energy.webp"); }
body[data-page="qualifications"] .page-hero::before { background-image: url("/assets/generated-20260914/business-supply.webp"); }
body[data-page^="news"] .page-hero::before { background-image: url("/assets/generated-20260914/business-energy.webp"); }
body[data-page="contact"] .page-hero::before, body[data-page="careers"] .page-hero::before { background-image: url("/assets/generated-20260914/business-power.webp"); }
.page-hero::after { background: linear-gradient(90deg,rgba(7,26,43,.9) 0%,rgba(10,41,64,.82) 42%,rgba(10,41,64,.68) 58%,rgba(8,31,49,.24) 100%); }
.page-hero--image::after { background: linear-gradient(90deg,rgba(4,20,34,.9),rgba(5,31,49,.7) 48%,rgba(5,30,47,.18)); }
.page-hero-content { padding: 78px 0 82px; }
.crumbs { color: rgba(255,255,255,.6); }
.page-hero h1 { font-size: clamp(42px,4.3vw,62px); }

.business-switcher { position: relative; z-index: 4; border-bottom: 1px solid rgba(7,26,43,.1); box-shadow: 0 10px 30px rgba(7,26,43,.04); }
.business-switcher-inner { justify-content: flex-end; }
.business-switcher a { min-height: 72px; padding: 0 23px; }
.business-switcher a::after { background: var(--gold); }
.business-switcher a[aria-current="page"] { background: #fff6df; }

.business-overview-section { background: #f7f8f9; }
.business-overview-cards { display: grid; gap: 38px; }
.business-overview-card { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(320px,.75fr); min-height: 390px; overflow: hidden; background: var(--white); box-shadow: 0 20px 54px rgba(7,26,43,.08); }
.business-overview-card:nth-child(even) { grid-template-columns: minmax(320px,.75fr) minmax(0,1.25fr); }
.business-overview-card:nth-child(even) figure { order: 2; }
.business-overview-card figure { margin: 0; overflow: hidden; background: var(--navy-900); }
.business-overview-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.business-overview-card:hover img { transform: scale(1.025); }
.business-overview-card > div { display: flex; flex-direction: column; justify-content: center; padding: 48px; }
.business-overview-card small { color: var(--gold-strong); font-size: 10px; font-weight: 800; line-height: 1.6; letter-spacing: .15em; }
.business-overview-card h2 { margin: 18px 0 0; color: var(--navy-950); font-size: clamp(30px,3vw,44px); line-height: 1.22; }
.business-overview-card p { margin: 16px 0 24px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.business-audience { color: var(--navy-950); background: #eef1f3; }
.business-audience-grid { display: grid; grid-template-columns: minmax(250px,.72fr) minmax(0,1.28fr); gap: clamp(54px,7vw,100px); align-items: center; }
.business-audience h2 { margin: 0; color: var(--navy-950); font-size: clamp(34px,3.25vw,46px); text-wrap: balance; }
.audience-list { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.audience-list article { position: relative; min-height: 172px; padding: 27px 24px; overflow: hidden; border: 1px solid rgba(7,26,43,.08); border-top: 3px solid var(--gold); background: var(--white); box-shadow: 0 18px 40px rgba(7,26,43,.07); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.audience-list article::after { position: absolute; right: -22px; bottom: -33px; width: 88px; height: 88px; content: ""; border: 1px solid rgba(228,182,63,.28); border-radius: 50%; }
.audience-list article:hover { border-color: rgba(228,182,63,.58); transform: translateY(-5px); box-shadow: 0 24px 50px rgba(7,26,43,.12); }
.audience-list small { display: block; color: var(--gold-strong); font: 16px/1 Georgia,serif; }
.audience-list strong { display: block; margin-top: 58px; color: var(--navy-950); font-size: 18px; line-height: 1.45; }

.business-detail-section { background: var(--white); }
.business-side-nav { border-top-color: var(--gold); background: #f6f3ec; }
.business-side-links a:hover, .business-side-links a:focus-visible, .business-side-links a.is-current { color: var(--gold-strong); }
.business-side-links a.is-current::before { background: var(--gold); }
.service-points { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; padding: 0 !important; list-style: none; }
.service-points li { display: grid; align-content: start; gap: 7px; padding: 18px 20px; border-left: 3px solid var(--gold); background: #f7f5ef; }
.service-points strong { color: var(--navy-950); font-size: 15px; line-height: 1.65; }
.service-points span { color: var(--muted); font-size: 13px; line-height: 1.65; }
.service-points li:last-child:nth-child(odd) { grid-column: 1 / -1; }
.business-intro-heading { margin-bottom: 8px; }
.energy-intro-list .energy-feature { padding: 54px 0; border-top: 1px solid var(--line); }
.energy-intro-list .energy-feature:first-child { padding-top: 32px; }
.energy-intro-list .energy-feature:last-child { padding-bottom: 0; }
.business-gallery-frame { box-shadow: 0 22px 54px rgba(7,26,43,.12); }
.business-case-board article { transition: transform .25s ease, background .25s ease; }
.business-case-board article:hover { background: #faf6ed; transform: translateY(-3px); }
.method-list span, .case-card small, .qualification-list .type, .case-list-copy .case-meta, .business-case-board small { color: var(--gold-strong); }
.authorization-note, .detail-aside { border-color: var(--gold); }
.authorization-note { background: var(--gold-soft); }
.contact-rules li::before { background: var(--gold); }
.related-business { padding: 92px 0; background: #eef1f3; }
.related-business-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 34px; }
.related-business-heading p { margin: 0; color: var(--gold-strong); font-size: 10px; font-weight: 800; letter-spacing: .18em; }
.related-business-heading h2 { margin: 0; color: var(--navy-950); font-size: clamp(28px,3vw,42px); }
.related-business-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.related-business-grid a { position: relative; display: grid; grid-template-columns: 190px minmax(0,1fr); min-height: 150px; overflow: hidden; color: var(--navy-950); background: var(--white); box-shadow: 0 16px 42px rgba(7,26,43,.07); transition: transform .25s ease, box-shadow .25s ease; }
.related-business-grid a:hover, .related-business-grid a:focus-visible { transform: translateY(-4px); box-shadow: 0 23px 52px rgba(7,26,43,.12); }
.related-business-grid img { width: 100%; height: 100%; object-fit: cover; }
.related-business-grid span { display: flex; flex-direction: column; justify-content: center; gap: 13px; padding: 25px; }
.related-business-grid strong { font-size: 20px; line-height: 1.45; }
.related-business-grid small { color: var(--gold-strong); font-size: 12px; font-weight: 800; }

.culture-section { background: #eef1f3; }
.culture-summary { max-width: 650px; margin: 34px auto 0; text-align: center; }
.culture-grid { gap: 28px; }
.culture-grid .culture-card { min-height: 330px; padding: 48px; border: 0; box-shadow: 0 18px 48px rgba(7,26,43,.08); }
.culture-card > span { position: static; display: block; margin-bottom: 54px; color: var(--gold); font-family: Georgia,serif; font-size: 22px; }
.culture-card small { color: var(--gold); font-size: 10px; font-weight: 800; letter-spacing: .18em; }
.culture-grid .culture-card h3 { margin: 14px 0 18px; font-size: 29px; }
.culture-grid .culture-card p { font-size: 16px; line-height: 2; }
.culture-card--dark { color: var(--white); background: var(--navy-950); }
.culture-grid .culture-card--dark h3 { color: var(--white); }
.culture-grid .culture-card--dark p { color: rgba(255,255,255,.7); }
.culture-card--light { background: var(--white); }

.qualification-gallery { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; margin-top: 52px; }
.qualification-card { display: grid; min-width: 0; grid-template-rows: auto 1fr; gap: 22px; padding: 28px; border: 1px solid rgba(7,26,43,.1); border-top: 3px solid var(--gold); background: var(--white); box-shadow: 0 18px 50px rgba(7,26,43,.06); }
.qualification-card-heading { display: grid; grid-template-columns: 48px minmax(0,1fr); gap: 18px; align-items: start; }
.qualification-card-heading small { display: block; margin-bottom: 7px; color: var(--gold-strong); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.qualification-card-heading h3 { margin: 0; color: var(--navy-950); font-size: 17px; line-height: 1.5; }
.qualification-card-heading p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.qualification-certificate { position: relative; display: grid; width: 100%; height: 320px; min-width: 0; overflow: hidden; place-items: center; margin: 0; padding: 14px; color: inherit; border: 1px solid rgba(7,26,43,.1); background: #f7f8f9; cursor: zoom-in; }
.qualification-certificate img { display: block; width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; transition: transform .28s ease; }
.qualification-certificate > span { position: absolute; right: 12px; bottom: 12px; padding: 7px 10px; color: var(--white); background: rgba(4,24,38,.78); font-size: 11px; font-weight: 700; }
.qualification-certificate:hover img { transform: scale(1.018); }
.qualification-certificate:focus-visible { outline: 3px solid rgba(200,160,62,.58); outline-offset: 3px; }
.qualification-icon { display: grid; width: 48px; height: 48px; place-items: center; color: var(--gold-strong); border: 1px solid rgba(228,182,63,.5); background: var(--gold-soft); }
.qualification-icon svg { width: 27px; height: 27px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.qualification-disclaimer { border-left: 3px solid var(--gold); background: #f6f2e8; }
.certificate-viewer { width: min(1120px,calc(100vw - 36px)); max-width: none; height: min(90vh,900px); max-height: none; padding: 0; color: var(--white); border: 0; background: transparent; }
.certificate-viewer::backdrop { background: rgba(1,10,17,.88); }
.certificate-viewer-inner { display: grid; height: 100%; grid-template-columns: 58px minmax(0,1fr) 58px; grid-template-rows: 62px minmax(0,1fr) 50px; align-items: center; background: #071a2b; box-shadow: 0 30px 90px rgba(0,0,0,.42); }
.certificate-viewer-title { grid-column: 2; margin: 0; font-size: 16px; line-height: 1.4; text-align: center; }
.certificate-viewer-close { grid-column: 3; grid-row: 1; }
.certificate-viewer-image { grid-column: 2; grid-row: 2; width: 100%; height: 100%; min-height: 0; object-fit: contain; }
.certificate-viewer-prev, .certificate-viewer-next, .certificate-viewer-close { display: grid; width: 44px; height: 44px; place-items: center; justify-self: center; color: var(--white); border: 1px solid rgba(255,255,255,.32); background: rgba(255,255,255,.07); cursor: pointer; }
.certificate-viewer-prev { grid-column: 1; grid-row: 2; }
.certificate-viewer-next { grid-column: 3; grid-row: 2; }
.certificate-viewer-count { grid-column: 2; grid-row: 3; margin: 0; color: rgba(255,255,255,.68); font-size: 12px; text-align: center; }

.news-list--full { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; border: 0; }
.news-list--full .news-item { display: flex; flex-direction: column; align-items: stretch; overflow: hidden; padding: 0 0 28px; border: 1px solid rgba(7,26,43,.1); background: var(--white); box-shadow: 0 18px 46px rgba(7,26,43,.07); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.news-list--full .news-item:hover, .news-list--full .news-item:focus-visible { border-color: rgba(228,182,63,.68); transform: translateY(-5px); box-shadow: 0 26px 58px rgba(7,26,43,.12); }
.news-list--full .news-item time { order: 2; padding: 22px 24px 0; color: var(--gold-strong); line-height: 1.65; }
.news-thumb { order: 1; display: block; height: 210px; overflow: hidden; background: var(--navy-900); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.news-item:hover .news-thumb img { transform: scale(1.035); }
.news-list--full .news-item > div { order: 3; padding: 13px 24px 0; }
.news-list--full .news-item h2 { font-size: 20px; }
.news-list--full .news-item .text-arrow { order: 4; align-self: flex-start; margin: auto 24px 0; padding-top: 22px; }
.topic-nav a.is-current { color: var(--gold-strong); border-bottom-color: var(--gold); }

.contact-reserved { border-top-color: var(--gold); background: #f5f2eb; box-shadow: 0 18px 48px rgba(7,26,43,.06); }
.contact-slots { background: rgba(228,182,63,.27); }
.careers-section { background: #f6f7f8; }
.careers-layout { padding: 0 36px; border: 1px solid rgba(7,26,43,.1); border-top: 3px solid var(--gold); background: var(--white); box-shadow: 0 22px 58px rgba(7,26,43,.07); }
.careers-detail { border-top-color: var(--gold); }
.career-list li::before { color: var(--gold-strong); border-color: rgba(228,182,63,.52); }

.project-video-section { background: #f7f8f9; }
.project-video-layout { display: grid; grid-template-columns: minmax(280px,.65fr) minmax(0,1.35fr); gap: clamp(48px,7vw,90px); align-items: center; }
.project-video-copy h2 { margin: 0; color: var(--navy-950); font-size: clamp(36px,4vw,56px); line-height: 1.2; }
.project-video-copy p:not(.eyebrow) { margin: 24px 0 28px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.project-video-media { margin: 0; padding: 12px; background: var(--white); box-shadow: 0 28px 70px rgba(7,26,43,.14); }
.project-video-media video { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--navy-950); }
.project-video-media figcaption { padding: 14px 8px 3px; color: var(--muted); font-size: 12px; }

.site-actions { color: var(--navy-950); border-top: 1px solid rgba(23,107,134,.13); background: linear-gradient(110deg,#f8fafb 0%,#e8f3f5 60%,#fbf5e7 100%); }
.site-actions-inner { display: flex; min-height: 250px; align-items: center; justify-content: space-between; gap: 50px; }
.site-actions-copy { max-width: 720px; }
.site-actions .site-actions-kicker { margin: 0 0 16px; color: var(--gold-strong); font-size: 10px; font-weight: 800; letter-spacing: .2em; }
.site-actions h2 { max-width: 660px; margin: 0; font-size: clamp(26px,2.75vw,39px); line-height: 1.28; }
.site-actions h2 span { display: block; }
.site-actions .site-actions-description { max-width: 700px; margin: 20px 0 0; color: #566b78; font-size: 14px; font-weight: 400; line-height: 1.85; letter-spacing: 0; }
.site-actions-links { display: flex; flex: 0 0 auto; gap: 13px; }
.site-actions .button--light { color: var(--navy-950); border-color: rgba(7,26,43,.28); background: rgba(255,255,255,.54); }
.site-actions .button--light:hover, .site-actions .button--light:focus-visible { color: var(--navy-950); border-color: var(--gold); background: var(--white); }
.site-footer { background: linear-gradient(180deg, #edf5f6 0%, #f8fafb 100%); }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--blue-strong); }

@media (max-width: 1050px) {
  :root { --brand-width: 210px; --brand-max-height: 58px; }
  .business-card figure, .business-card figure::after { height: 290px; }
  .business-card-copy { min-height: 226px; padding-right: 56px; padding-left: 25px; }
  .business-card-copy strong { font-size: 23px; }
  .business-switcher a { padding-right: 15px; padding-left: 15px; font-size: 13px; }
}

@media (max-width: 820px) {
  :root { --header-h: 84px; --brand-width: 188px; --brand-max-height: 52px; }
  .section { padding: 82px 0; }
  .hero { min-height: 610px; }
  .hero-media { background-position: 64% 50%; }
  .hero-content { padding: 85px 0; }
  .business-card figure, .business-card figure::after { height: 260px; }
  .business-card-copy { min-height: 220px; }
  .one-stop-heading, .home-profile-grid, .business-audience-grid, .project-video-layout { grid-template-columns: 1fr; gap: 38px; }
  .service-steps { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .service-steps li:nth-child(2) { border-right: 0; }
  .service-steps li:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.13); }
  .business-overview-card, .business-overview-card:nth-child(even) { grid-template-columns: 1fr 1fr; min-height: 350px; }
  .business-overview-card:nth-child(even) figure { order: 0; }
  .business-overview-card > div { padding: 34px; }
  .business-switcher-inner { flex-wrap: wrap; }
  .business-switcher a { min-height: 58px; }
  .news-list--full { grid-template-columns: 1fr; }
  .related-business-grid a { grid-template-columns: 160px minmax(0,1fr); }
  .news-list--full .news-item { display: grid; grid-template-columns: 230px 1fr 90px; grid-template-rows: auto 1fr; padding: 0; }
  .news-thumb { grid-row: 1/3; height: 100%; min-height: 240px; }
  .news-list--full .news-item time { grid-column: 2/4; order: initial; }
  .news-list--full .news-item > div { grid-column: 2/4; order: initial; padding-bottom: 22px; }
  .news-list--full .news-item .text-arrow { grid-column: 3; grid-row: 2; align-self: end; justify-self: end; order: initial; margin: 0 22px 22px 0; }
  .site-actions-inner { min-height: 280px; align-items: flex-start; flex-direction: column; justify-content: center; }
}

@media (max-width: 520px) {
  .hero { min-height: 610px; }
  .hero-media { background-position: 72% center; }
  .hero-media::after { background: linear-gradient(90deg,rgba(3,18,31,.89),rgba(4,28,45,.7)),linear-gradient(180deg,transparent,rgba(3,18,31,.34)); }
  .hero h1 { font-size: 38px; }
  .hero-actions { display: grid; width: 100%; max-width: 260px; }
  .business-showcase { grid-template-columns: 1fr; }
  .business-card figure, .business-card figure::after { height: 250px; }
  .business-card-copy { min-height: 178px; padding: 25px 60px 27px 24px; }
  .business-card-copy strong { font-size: 25px; }
  .business-card-arrow { right: 21px; bottom: 25px; }
  .one-stop-heading { gap: 25px; }
  .service-steps { grid-template-columns: 1fr; margin-top: 44px; }
  .service-steps li, .service-steps li:nth-child(2) { min-height: 0; padding: 27px 5px 27px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); }
  .service-steps li:last-child { border-bottom: 0; }
  .service-steps h3 { margin-top: 23px; }
  .home-profile-grid { gap: 38px; }
  .home-profile-media::before { top: -9px; right: -9px; }
  .page-hero { min-height: 320px; }
  .page-hero:not(.page-hero--image)::before { left: 36%; }
  .page-hero h1 { font-size: 38px; }
  body[data-page="business-supply"] .page-hero h1 { max-width: 330px; font-size: 34px; }
  .business-switcher-inner { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .business-switcher a { min-height: 55px; padding: 9px 7px; font-size: 12px; }
  .business-switcher a:first-child { grid-column: 1/-1; min-height: 48px; margin-right: 0; }
  .business-overview-card, .business-overview-card:nth-child(even) { grid-template-columns: 1fr; min-height: 0; }
  .business-overview-card figure { height: 250px; }
  .business-overview-card > div { padding: 29px 25px 32px; }
  .audience-list { grid-template-columns: 1fr; }
  .audience-list article { min-height: 132px; }
  .audience-list strong { margin-top: 34px; }
  .service-points { grid-template-columns: 1fr; }
  .related-business { padding: 70px 0; }
  .related-business-heading { display: block; }
  .related-business-heading h2 { margin-top: 12px; }
  .related-business-grid { grid-template-columns: 1fr; }
  .related-business-grid a { grid-template-columns: 125px minmax(0,1fr); min-height: 130px; }
  .related-business-grid strong { font-size: 17px; }
  .culture-grid .culture-card { min-height: 0; padding: 34px 29px; }
  .culture-card > span { margin-bottom: 38px; }
  .qualification-gallery { grid-template-columns: 1fr; }
  .qualification-card { padding: 22px 18px; }
  .qualification-card-heading { grid-template-columns: 42px minmax(0,1fr); gap: 14px; }
  .qualification-certificate { height: 280px; padding: 9px; }
  .qualification-icon { width: 42px; height: 42px; }
  .certificate-viewer { width: calc(100vw - 18px); height: calc(100vh - 18px); }
  .certificate-viewer-inner { grid-template-columns: 46px minmax(0,1fr) 46px; }
  .certificate-viewer-prev, .certificate-viewer-next, .certificate-viewer-close { width: 38px; height: 38px; }
  .news-list--full .news-item { display: flex; }
  .news-thumb { width: 100%; height: 210px; min-height: 0; }
  .careers-layout { padding: 0 22px; }
  .site-actions-inner { min-height: 350px; gap: 34px; }
  .site-actions-links { display: grid; width: 100%; }
}

/* Company introduction: project performance */
.about-performance { background: #f3f5f6; }
.about-performance-heading { display: flex; align-items: end; justify-content: space-between; gap: 38px; margin-bottom: 42px; }
.about-performance-heading .eyebrow { margin-bottom: 12px; }
.about-performance-heading h2 { margin: 0; }
.about-performance-heading > p { max-width: 470px; margin: 0 0 5px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.about-performance-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.about-performance-card { display: flex; min-width: 0; overflow: hidden; flex-direction: column; border: 1px solid rgba(7,26,43,.08); background: var(--white); box-shadow: 0 15px 42px rgba(7,26,43,.065); transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease; }
.about-performance-card:hover { transform: translateY(-4px); box-shadow: 0 23px 54px rgba(7,26,43,.11); }
.about-performance-card--link { color: inherit; text-decoration: none; }
.about-performance-card--link:hover { border-color: rgba(200,160,62,.58); }
.about-performance-card--link:focus-visible { outline: 3px solid rgba(200,160,62,.6); outline-offset: 4px; }
.about-performance-card figure { position: relative; height: 190px; margin: 0; overflow: hidden; background: var(--navy-900); }
.about-performance-card img { width: 100%; height: 100%; object-fit: cover; }
.about-performance-card figcaption { position: absolute; right: 10px; bottom: 10px; padding: 5px 8px; color: var(--white); background: rgba(4,24,38,.75); font-size: 10px; line-height: 1.3; }
.about-performance-copy { display: flex; flex: 1; flex-direction: column; padding: 23px 22px 26px; }
.about-performance-copy small { display: block; color: var(--gold-strong); font-size: 11px; font-weight: 800; line-height: 1.55; letter-spacing: .04em; }
.about-performance-copy h3 { margin: 11px 0 0; color: var(--navy-950); font-size: 18px; line-height: 1.45; }
.about-performance-copy p { margin: 12px 0 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.about-performance-more { display: inline-flex; align-items: center; gap: 8px; align-self: flex-start; margin-top: auto; padding-top: 20px; color: var(--gold-strong); font-size: 13px; font-weight: 800; }
.about-performance-more span { transition: transform .24s ease; }
.about-performance-card--link:hover .about-performance-more span { transform: translateX(4px); }

@media (max-width: 1050px) {
  .about-performance-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .about-performance-heading { align-items: start; flex-direction: column; gap: 12px; }
  .about-performance-card figure { height: 220px; }
}

@media (max-width: 520px) {
  .about-performance-grid { grid-template-columns: 1fr; }
  .about-performance-card figure { height: 220px; }
}