/* ==========================================================================
   PNK First Tier Ltd — Shared Stylesheet
   Pure CSS. No external fonts, no external images, no frameworks.
   ========================================================================== */

:root {
  --navy: #0b1c2f;
  --navy-2: #12293f;
  --steel: #2a5a84;
  --steel-light: #4a7ca8;
  --accent: #c9862f;
  --accent-light: #e2a75a;
  --ink: #14232f;
  --muted: #5c6d7d;
  --line: #e1e8ef;
  --bg: #f6f8fa;
  --bg-alt: #eef3f7;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(11, 28, 47, .06), 0 2px 8px rgba(11, 28, 47, .05);
  --shadow-md: 0 4px 14px rgba(11, 28, 47, .09), 0 12px 32px rgba(11, 28, 47, .07);
  --shadow-lg: 0 10px 30px rgba(11, 28, 47, .14), 0 24px 60px rgba(11, 28, 47, .10);
  --radius: 4px;
  --radius-lg: 8px;
  --wrap: 1180px;
  --gutter: 20px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Helvetica Neue", Helvetica, Arial, "PingFang HK",
               "Microsoft JhengHei", "Noto Sans CJK TC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { margin: 0 0 .6em; line-height: 1.25; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(1.85rem, 4.4vw, 3.05rem); }
h2 { font-size: clamp(1.42rem, 2.9vw, 2.1rem); }
h3 { font-size: clamp(1.1rem, 1.9vw, 1.32rem); }
h4 { font-size: 1rem; }
p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.3em; }
li { margin-bottom: .45em; }
a { color: var(--steel); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--navy); }
strong { font-weight: 700; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--navy); color: #fff; padding: 12px 20px; font-weight: 700;
}
.skip-link:focus { left: 8px; top: 8px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: 56px 0; }
.section--tight { padding: 40px 0; }
.section--alt { background: var(--bg); }
.section--navy { background: var(--navy); color: #dfe7ee; }
.section--navy h2, .section--navy h3 { color: #fff; }
.section-head { max-width: 720px; margin-bottom: 32px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block; font-size: .75rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .7em;
}
.section--navy .eyebrow { color: var(--accent-light); }
.lede { font-size: 1.075rem; color: var(--muted); }
.section--navy .lede { color: #b9c8d6; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(1.6) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; min-height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); flex: 0 0 auto; }
.brand-mark {
  width: 40px; height: 40px; flex: 0 0 40px;
  display: grid; place-items: center;
  background: linear-gradient(150deg, var(--navy) 0%, var(--steel) 100%);
  color: #fff; font-weight: 800; font-size: .82rem; letter-spacing: .06em;
  border-radius: 3px; box-shadow: var(--shadow-sm);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 800; font-size: 1rem; letter-spacing: .02em; }
.brand-sub { font-size: .63rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }

/* ---------- Navigation ---------- */
.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px; cursor: pointer;
  background: none; border: 1px solid var(--line); border-radius: var(--radius);
}
.nav-toggle span { display: block; height: 2px; width: 100%; background: var(--navy); border-radius: 2px; transition: transform .25s var(--ease), opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-nav {
  display: none; position: absolute; left: 0; right: 0; top: 100%;
  background: #fff; border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-md); max-height: calc(100vh - 68px); overflow-y: auto;
}
.site-nav.is-open { display: block; }
.nav-list { list-style: none; margin: 0; padding: 6px 0; }
.nav-list li { margin: 0; }
.nav-list a {
  display: block; padding: 13px var(--gutter); text-decoration: none;
  color: var(--navy); font-size: .95rem; font-weight: 600;
  border-left: 3px solid transparent;
}
.nav-list a:hover { background: var(--bg); border-left-color: var(--steel-light); color: var(--steel); }
.nav-list a[aria-current="page"] { color: var(--steel); border-left-color: var(--accent); background: var(--bg-alt); }

.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.lang-toggle {
  display: inline-flex; align-items: center; gap: 0; border: 1px solid var(--line);
  border-radius: 999px; overflow: hidden; background: #fff;
}
.lang-toggle button {
  font: inherit; font-size: .74rem; font-weight: 700; letter-spacing: .06em;
  padding: 6px 11px; border: 0; background: none; color: var(--muted); cursor: pointer;
}
.lang-toggle button[aria-pressed="true"] { background: var(--navy); color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border: 1px solid transparent; border-radius: var(--radius);
  font-size: .9rem; font-weight: 700; letter-spacing: .04em;
  text-decoration: none; cursor: pointer; transition: .22s var(--ease);
}
.btn--primary { background: var(--accent); color: #26180a; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--accent-light); color: #1d1206; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .45); }
.btn--ghost:hover { background: rgba(255, 255, 255, .1); border-color: #fff; color: #fff; }
.btn--outline { background: transparent; color: var(--navy); border-color: var(--line); }
.btn--outline:hover { border-color: var(--steel); color: var(--steel); background: var(--bg); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(74, 124, 168, .55) 0%, rgba(74, 124, 168, 0) 55%),
    radial-gradient(80% 70% at 8% 100%, rgba(201, 134, 47, .30) 0%, rgba(201, 134, 47, 0) 60%),
    linear-gradient(158deg, #0b1c2f 0%, #12293f 52%, #1c3f5e 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
}
.hero::after {
  content: ""; position: absolute; right: -8%; bottom: -22%;
  width: 62%; aspect-ratio: 1; pointer-events: none;
  background: conic-gradient(from 200deg at 50% 50%, rgba(255,255,255,.10), rgba(255,255,255,0) 40%, rgba(201,134,47,.16) 62%, rgba(255,255,255,0) 85%);
  border-radius: 50%; filter: blur(2px);
}
.hero-inner { position: relative; z-index: 1; padding: 64px 0 56px; max-width: 760px; }
.hero h1 { color: #fff; margin-bottom: .5em; }
.hero h1 em { font-style: normal; color: var(--accent-light); }
.hero p { color: #c6d4e1; font-size: 1.06rem; max-width: 56ch; margin-bottom: 1.6em; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 26px; padding: 0; list-style: none; }
.hero-tags li {
  margin: 0; font-size: .74rem; letter-spacing: .1em; text-transform: uppercase;
  padding: 5px 12px; border: 1px solid rgba(255,255,255,.28); border-radius: 999px;
  color: #cbd9e5; font-weight: 600;
}

/* ---------- Page banner (inner pages) ---------- */
.page-banner {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(120deg, #0b1c2f 0%, #17395a 70%, #1d4a72 100%);
}
.page-banner::before {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(255,255,255,.05) 0 2px, transparent 2px 14px);
  opacity: .7;
}
.page-banner-inner { position: relative; z-index: 1; padding: 44px 0 40px; }
.page-banner h1 { color: #fff; margin-bottom: .3em; }
.page-banner p { color: #bfd0de; max-width: 62ch; margin: 0; }
.breadcrumb {
  list-style: none; display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
  margin: 0 0 14px; padding: 0; font-size: .78rem; color: #9db3c6; letter-spacing: .05em;
}
.breadcrumb li { margin: 0; }
.breadcrumb li + li::before { content: "/"; margin-right: 6px; color: #6d879d; }
.breadcrumb a { color: #cbd9e5; text-decoration: none; }
.breadcrumb a:hover { color: #fff; text-decoration: underline; }

/* ---------- Grids & Cards ---------- */
.grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
.grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }

.card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 26px 24px; box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.card h3 { margin-bottom: .35em; }
.card p:last-child { margin-bottom: 0; }
.card--hover:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #cdd9e4; }
.card--link { text-decoration: none; color: inherit; display: block; }
.card--link:hover { color: inherit; }
.card-num {
  display: block; font-size: .72rem; font-weight: 800; letter-spacing: .16em;
  color: var(--accent); margin-bottom: .8em;
}
.card-icon {
  width: 46px; height: 46px; margin-bottom: 16px; border-radius: 6px;
  display: grid; place-items: center;
  background: linear-gradient(145deg, var(--bg-alt), #fff);
  border: 1px solid var(--line); color: var(--steel);
}
.card-icon svg { width: 24px; height: 24px; }
.card--feature { border-top: 3px solid var(--accent); }
.card-meta { font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.card-arrow { display: inline-flex; align-items: center; gap: 6px; font-size: .84rem; font-weight: 700; color: var(--steel); margin-top: 14px; }
.card--link:hover .card-arrow { gap: 10px; color: var(--navy); }
.card-arrow::after { content: "\2192"; transition: transform .2s; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.stat { background: #fff; padding: 24px 20px; }
.stat-value { display: block; font-size: clamp(1.7rem, 4vw, 2.35rem); font-weight: 800; color: var(--navy); letter-spacing: -.02em; line-height: 1.1; }
.stat-value small { font-size: .5em; font-weight: 700; color: var(--accent); margin-left: 2px; }
.stat-label { display: block; margin-top: 6px; font-size: .8rem; color: var(--muted); letter-spacing: .04em; }
.section--navy .stats { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.14); }
.section--navy .stat { background: var(--navy-2); }
.section--navy .stat-value { color: #fff; }
.section--navy .stat-label { color: #a8bccd; }

/* ---------- Split feature ---------- */
.split { display: grid; gap: 32px; grid-template-columns: 1fr; align-items: center; }
.split-media {
  position: relative; min-height: 240px; border-radius: var(--radius-lg); overflow: hidden;
  background:
    radial-gradient(90% 90% at 20% 15%, rgba(74,124,168,.55), transparent 60%),
    linear-gradient(150deg, #16324f, #0b1c2f);
  border: 1px solid var(--line);
}
.split-media::before {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,.06) 0 1px, transparent 1px 16px);
}
.split-media--tall { min-height: 320px; }
.split-media-tag {
  position: absolute; left: 20px; bottom: 20px; z-index: 1;
  color: #fff; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  padding: 6px 12px; border: 1px solid rgba(255,255,255,.32); border-radius: 999px;
  background: rgba(11,28,47,.35);
}

/* ---------- Value list ---------- */
.vlist { list-style: none; margin: 0; padding: 0; }
.vlist li {
  position: relative; padding: 14px 0 14px 30px; margin: 0;
  border-bottom: 1px solid var(--line);
}
.vlist li:last-child { border-bottom: 0; }
.vlist li::before {
  content: ""; position: absolute; left: 4px; top: 22px;
  width: 8px; height: 8px; background: var(--accent); transform: rotate(45deg);
}
.vlist strong { display: block; color: var(--navy); }
.vlist span { font-size: .92rem; color: var(--muted); }
.section--navy .vlist li { border-color: rgba(255,255,255,.14); }
.section--navy .vlist strong { color: #fff; }
.section--navy .vlist span { color: #a8bccd; }

/* ---------- News list ---------- */
.news-list { list-style: none; margin: 0; padding: 0; }
.news-list li { margin: 0; border-bottom: 1px solid var(--line); }
.news-list a {
  display: grid; grid-template-columns: 1fr; gap: 4px;
  padding: 18px 2px; text-decoration: none; color: inherit;
  transition: background .2s, padding-left .2s;
}
.news-list a:hover { background: var(--bg); padding-left: 10px; color: inherit; }
.news-date { font-size: .76rem; letter-spacing: .1em; color: var(--muted); font-variant-numeric: tabular-nums; }
.news-title { font-weight: 600; color: var(--navy); font-size: 1rem; line-height: 1.45; }
.news-list a:hover .news-title { color: var(--steel); }
.news-cat { font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); font-weight: 700; }

/* ---------- Filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; padding: 0; list-style: none; }
.filter-btn {
  font: inherit; font-size: .82rem; font-weight: 600; letter-spacing: .03em;
  padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; color: var(--muted); cursor: pointer; transition: .2s var(--ease);
}
.filter-btn:hover { border-color: var(--steel-light); color: var(--steel); }
.filter-btn[aria-pressed="true"] { background: var(--navy); border-color: var(--navy); color: #fff; }
.filter-count { font-size: .78rem; color: var(--muted); margin-bottom: 18px; }
.is-hidden { display: none !important; }
.empty-state { padding: 30px 0; color: var(--muted); }

/* ---------- Project tiles ---------- */
.project-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
.project {
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  background: #fff; box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.project:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.project-thumb {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  display: grid; place-items: center;
  background: linear-gradient(140deg, #16324f, #2a5a84);
}
.project:nth-child(3n+2) .project-thumb { background: linear-gradient(140deg, #123049, #3d6f57); }
.project:nth-child(3n+3) .project-thumb { background: linear-gradient(140deg, #1b2b3f, #7a5c33); }
.project-thumb::before {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(255,255,255,.07) 0 1px, transparent 1px 22px),
                    repeating-linear-gradient(0deg, rgba(255,255,255,.07) 0 1px, transparent 1px 22px);
  mask-image: linear-gradient(to bottom, #000, transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 85%);
}
.project-thumb svg { position: relative; z-index: 1; width: 62px; height: 62px; color: rgba(255,255,255,.85); }
.project-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  background: rgba(255,255,255,.94); color: var(--navy); padding: 4px 10px; border-radius: 3px;
}
.project-body { padding: 18px 20px 22px; flex: 1; display: flex; flex-direction: column; }
.project-body h3 { font-size: 1.02rem; margin-bottom: .3em; }
.project-loc { font-size: .8rem; color: var(--muted); letter-spacing: .04em; }
.project-desc { font-size: .88rem; color: var(--muted); margin: 10px 0 0; }

/* ---------- Timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0 0 0 22px; border-left: 2px solid var(--line); }
.timeline li { position: relative; margin: 0 0 26px; padding-left: 6px; }
.timeline li::before {
  content: ""; position: absolute; left: -30px; top: 8px;
  width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 3px solid var(--steel);
}
.timeline li:last-child { margin-bottom: 0; }
.timeline-year { display: block; font-size: .8rem; font-weight: 800; letter-spacing: .12em; color: var(--accent); }
.timeline h4 { margin: .2em 0 .25em; }
.timeline p { margin: 0; font-size: .92rem; color: var(--muted); }

/* ---------- Document rows ---------- */
.doc-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.doc-table caption { text-align: left; font-weight: 700; color: var(--navy); padding: 0 0 10px; }
.doc-table th, .doc-table td { text-align: left; padding: 13px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc-table th { font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.doc-table tr:hover td { background: var(--bg); }
.doc-tag { display: inline-block; font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #7a4d0d; background: #fbf1e2; border: 1px solid #f0dcbd; padding: 2px 8px; border-radius: 3px; white-space: nowrap; }
.doc-pending { color: var(--muted); font-style: normal; font-size: .82rem; }

/* ---------- Notice / callout ---------- */
.notice {
  border-left: 4px solid var(--accent); background: #fdf8f1;
  padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .9rem; color: #5a4527; margin: 0 0 26px;
}
.notice p:last-child { margin-bottom: 0; }
.notice strong { color: #3f2f16; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, #0b1c2f, #1c4160 70%, #24547b); color: #fff; position: relative; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(60% 120% at 92% 50%, rgba(201,134,47,.28), transparent 60%);
}
.cta-inner { position: relative; z-index: 1; padding: 44px 0; display: grid; gap: 20px; align-items: center; }
.cta-inner h2 { color: #fff; margin-bottom: .3em; }
.cta-inner p { color: #bfd0de; margin: 0; max-width: 52ch; }

/* ---------- Forms ---------- */
.form-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: .82rem; font-weight: 700; letter-spacing: .04em; color: var(--navy); }
.field input, .field select, .field textarea {
  font: inherit; font-size: .95rem; padding: 11px 13px;
  border: 1px solid #cfdae5; border-radius: var(--radius); background: #fff; color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--steel); box-shadow: 0 0 0 3px rgba(42,90,132,.15);
}
.field textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: .8rem; color: var(--muted); }
.form-status { font-size: .88rem; font-weight: 600; color: #1f6a3c; margin-top: 12px; }
.form-status[hidden] { display: none; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #9fb3c6; font-size: .88rem; }
.footer-main { display: grid; gap: 30px; padding: 48px 0 36px; grid-template-columns: 1fr; }
.footer-brand .brand { color: #fff; }
.footer-brand .brand-sub { color: #8098ad; }
.footer-about { margin: 16px 0 0; color: #93a9bd; max-width: 34ch; }
.footer-col h3 { color: #fff; font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 14px; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin: 0 0 9px; }
.footer-links a { color: #9fb3c6; text-decoration: none; }
.footer-links a:hover { color: #fff; text-decoration: underline; }
.footer-contact { list-style: none; margin: 0; padding: 0; color: #9fb3c6; }
.footer-contact li { margin: 0 0 10px; }
.footer-contact strong { display: block; color: #cfdbe6; font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 18px 0 26px; display: grid; gap: 10px; font-size: .78rem; color: #7e94a8;
}
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-bottom a { color: #9fb3c6; text-decoration: none; }
.footer-bottom a:hover { color: #fff; text-decoration: underline; }

/* ---------- Responsive ---------- */
@media (min-width: 600px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .field--full { grid-column: 1 / -1; }
  .news-list a { grid-template-columns: 104px 1fr; gap: 16px; align-items: baseline; }
  .footer-main { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { grid-template-columns: 1fr auto; align-items: center; }
  .section { padding: 72px 0; }
  .hero-inner { padding: 88px 0 80px; }
  .page-banner-inner { padding: 56px 0 50px; }
}

@media (min-width: 860px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .project-grid { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 1fr 1fr; gap: 48px; }
  .split--reverse .split-media { order: 2; }
  .cta-inner { grid-template-columns: 1fr auto; padding: 56px 0; }
  .footer-main { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
}

@media (min-width: 980px) {
  .nav-toggle { display: none; }
  .site-nav {
    display: block; position: static; max-height: none; overflow: visible;
    background: none; border: 0; box-shadow: none; flex: 1 1 auto;
  }
  .nav-list { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 2px; padding: 0; }
  .nav-list a {
    padding: 8px 10px; border-left: 0; border-bottom: 2px solid transparent;
    font-size: .82rem; font-weight: 600; letter-spacing: .01em; white-space: nowrap;
  }
  .nav-list a:hover { background: none; border-bottom-color: var(--steel-light); }
  .nav-list a[aria-current="page"] { background: none; border-bottom-color: var(--accent); color: var(--steel); }
  .header-inner { gap: 22px; min-height: 76px; }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .section { padding: 88px 0; }
  .hero-inner { padding: 112px 0 104px; }
}

@media (max-width: 379px) {
  .stats { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .card--hover:hover, .project:hover, .btn:hover { transform: none; }
}

@media print {
  .site-header, .site-footer, .cta-band, .nav-toggle, .lang-toggle, .filters { display: none !important; }
  body { color: #000; }
  .hero, .page-banner { background: none !important; color: #000 !important; }
  .hero h1, .page-banner h1 { color: #000 !important; }
}

/* ---------- Corporate structure diagram ---------- */
.org { display: grid; gap: 0; }
.org-top {
  max-width: 420px; margin: 0 auto; text-align: center;
  background: linear-gradient(150deg, var(--navy), var(--steel));
  color: #fff; border-radius: var(--radius-lg); padding: 20px 22px;
  box-shadow: var(--shadow-md);
}
.org-top strong { display: block; font-size: 1rem; letter-spacing: .03em; }
.org-top span { font-size: .78rem; color: #c3d3e0; letter-spacing: .1em; text-transform: uppercase; }
.org-line { width: 2px; height: 28px; background: var(--line); margin: 0 auto; }
.org-chips { display: grid; gap: 12px; grid-template-columns: 1fr; }
.org-chip {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; text-align: center; font-size: .87rem; font-weight: 600;
  color: var(--navy); box-shadow: var(--shadow-sm);
}
.org-chip small { display: block; font-weight: 400; font-size: .74rem; color: var(--muted); letter-spacing: .05em; }
@media (min-width: 600px) { .org-chips { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .org-chips { grid-template-columns: repeat(3, 1fr); } }