/* ==========================================================================
   Nền Móng Thăng Long — giao diện website
   Màu thương hiệu lấy từ logo: vàng hổ phách + đỏ, nền than chì công trường.
   ========================================================================== */

:root {
  --ink: #14171b;
  --steel: #1c2127;
  --steel-2: #252b32;
  --steel-3: #313840;
  --amber: #f2a900;
  --amber-600: #d99200;
  --amber-100: #fff4d6;
  --red: #e1251b;
  --paper: #f5f3ef;
  --white: #ffffff;
  --line: #e4dfd6;
  --text: #2a2e34;
  --muted: #6b7179;
  --muted-light: #a3a9b1;

  --font-body: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-head: "Archivo", "Be Vietnam Pro", "Arial Narrow", sans-serif;

  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 2px 8px rgba(20, 23, 27, .06);
  --shadow: 0 12px 32px rgba(20, 23, 27, .10);
  --shadow-lg: 0 24px 60px rgba(20, 23, 27, .18);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --container: 1240px;
  --header-h: 84px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
@supports (overflow-x: clip) { body { overflow-x: clip; } }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: var(--amber-600); }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; color: var(--ink); }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
::selection { background: var(--amber); color: var(--ink); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container--narrow { max-width: 1000px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.text-center { text-align: center; }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 999; background: var(--amber); color: var(--ink); padding: 8px 14px; font-weight: 600; }
.skip-link:focus { left: 8px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: 12px 26px; border: 2px solid transparent; border-radius: var(--radius);
  font-family: var(--font-head); font-size: 14.5px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  line-height: 1.2; transition: background .25s var(--ease), color .25s, border-color .25s, transform .25s var(--ease), box-shadow .25s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn .bi-arrow-right { transition: transform .25s var(--ease); }
.btn:hover .bi-arrow-right { transform: translateX(4px); }
.btn-lg { padding: 15px 32px; font-size: 15.5px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--amber); color: var(--ink); }
.btn-primary:hover { background: var(--ink); color: var(--amber); box-shadow: 0 10px 24px rgba(0,0,0,.18); }
.btn-dark { background: var(--ink); color: var(--white); }
.btn-dark:hover { background: var(--amber); color: var(--ink); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.6); color: var(--white); }
.btn-ghost:hover { background: var(--white); color: var(--ink); border-color: var(--white); }
.btn-outline-dark { border-color: var(--ink); color: var(--ink); }
.btn-outline-dark:hover { background: var(--ink); color: var(--amber); }

.icon-btn {
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--white); color: var(--ink); font-size: 18px;
  transition: background .2s, color .2s, border-color .2s;
}
.icon-btn:hover { background: var(--amber); border-color: var(--amber); color: var(--ink); }
.icon-btn--light { background: transparent; color: var(--white); border-color: rgba(255,255,255,.35); }

.link-more {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-head); font-weight: 700;
  font-size: 13.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink);
  border-bottom: 2px solid var(--amber); padding-bottom: 2px;
}
.link-more i { transition: transform .25s var(--ease); }
.link-more:hover { color: var(--amber-600); }
.link-more:hover i { transform: translateX(4px); }

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 12px;
  font-family: var(--font-head); font-size: 12.5px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--amber-600);
}
.eyebrow::before { content: ""; width: 34px; height: 3px; background: var(--amber); }
.section-title {
  font-family: var(--font-head); font-weight: 800; text-transform: uppercase; letter-spacing: -.005em;
  font-size: clamp(27px, 3.5vw, 42px); line-height: 1.12; margin-bottom: 18px;
}
.section-lead { color: var(--muted); font-size: 17px; max-width: 640px; }
/* Archivo bản hẹp có khoảng trắng giữa các từ khá hẹp khi viết hoa: nới ra cho dễ đọc */
.hero-title, .section-title, .page-hero-title, .project-title, .service-title, .album-title, .leader-name,
.cta-text h2, .prose h2, .prose h3, .prose blockquote, .prose thead th, .values-quote p, .value-item h3, .value-card h3,
.info-card-title, .side-title, .footer-title, .related-title, .form-title, .search-group h2, .btn, .link-more,
.menu > .menu-item > a, .eyebrow, .hero-eyebrow, .filter-tabs button, .filter-tabs a, .project-cat, .leader-position,
.brand-text strong, .main-nav-head, .content-gallery figcaption { word-spacing: .12em; }
.text-center .section-lead, .section-lead.text-center { margin-left: auto; margin-right: auto; }

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 9vw, 110px) 0; position: relative; }
.section--tight { padding: clamp(48px, 7vw, 80px) 0; }
.section--dark { background: var(--steel); color: #c9ced4; }
.section--dark .section-title { color: var(--white); }
.section--dark .eyebrow { color: var(--amber); }
.bg-concrete { background: var(--paper); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px 48px; flex-wrap: wrap; margin-bottom: 44px; }
.section-head .section-title { margin-bottom: 0; }
.section-head .section-lead { margin: 0; }
.section-head--center { flex-direction: column; align-items: center; text-align: center; }
.section-head--center .section-lead { margin-top: 12px; }
.section-foot { margin-top: 44px; text-align: center; }

.hazard-stripe {
  position: absolute; left: 0; right: 0; bottom: 0; height: 8px;
  background: repeating-linear-gradient(-45deg, var(--amber) 0 14px, var(--ink) 14px 28px);
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header { position: sticky; top: 0; z-index: 100; }
.topbar { background: var(--ink); color: #b9bfc6; font-size: 13.5px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 40px; }
.topbar-info, .topbar-social { display: flex; align-items: center; gap: 22px; }
.topbar i { color: var(--amber); margin-right: 7px; }
.topbar a:hover { color: var(--amber); }
.topbar-social a i { margin: 0; color: inherit; }
.topbar-phone { font-weight: 600; color: var(--white); }
.topbar-phone i { color: var(--amber) !important; margin-right: 7px !important; }

.navbar { background: var(--white); border-bottom: 1px solid var(--line); transition: box-shadow .3s; }
.site-header.is-stuck .navbar { box-shadow: 0 6px 24px rgba(20,23,27,.10); }
.navbar-inner { display: flex; align-items: center; gap: 20px; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { height: 60px; width: auto; }
.brand-text { display: none; line-height: 1.15; }
.brand-text strong { display: block; font-family: var(--font-head); font-size: 18px; font-weight: 800; letter-spacing: .01em; text-transform: uppercase; color: var(--ink); }
.brand-text small { color: var(--muted); font-size: 12.5px; }

.main-nav { margin-left: auto; }
.main-nav-head, .main-nav-foot { display: none; }
.menu, .sub-menu { list-style: none; margin: 0; padding: 0; }
.menu { display: flex; align-items: center; }
.menu > .menu-item { position: relative; }
.menu > .menu-item > a {
  display: flex; align-items: center; gap: 5px; height: var(--header-h); padding: 0 13px;
  font-family: var(--font-head); font-size: 14.5px; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; color: var(--ink);
  position: relative; white-space: nowrap;
}
.menu > .menu-item > a::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 0; height: 4px; background: var(--amber);
  transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.menu > .menu-item:hover > a::after, .menu > .menu-item.is-active > a::after { transform: scaleX(1); }
.menu > .menu-item.is-active > a { color: var(--ink); }
.menu-caret { font-size: 11px; transition: transform .25s; }
.menu-item:hover > a .menu-caret { transform: rotate(180deg); }
.sub-toggle { display: none; }

.sub-menu {
  position: absolute; top: 100%; left: 0; min-width: 270px; padding: 10px 0;
  background: var(--white); border-top: 3px solid var(--amber); box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .25s, transform .25s var(--ease), visibility .25s;
}
.sub-menu .sub-menu { top: -13px; left: 100%; }
.menu-item:hover > .sub-menu, .menu-item:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.sub-menu .menu-item { position: relative; }
.sub-menu a {
  display: flex; justify-content: space-between; align-items: center; padding: 9px 22px; font-size: 14.5px; font-weight: 500; color: var(--text);
  transition: color .2s, padding .2s, background .2s;
}
.sub-menu a:hover, .sub-menu .is-active > a { color: var(--amber-600); padding-left: 28px; background: var(--paper); }
.sub-menu .menu-caret { transform: rotate(-90deg); }

.navbar-actions { display: flex; align-items: center; gap: 12px; }
.nav-hotline { display: flex; align-items: center; gap: 10px; padding-left: 16px; border-left: 1px solid var(--line); line-height: 1.2; }
.nav-hotline small { display: block; font-size: 12px; color: var(--muted); }
.nav-hotline strong { font-family: var(--font-head); font-size: 17px; font-weight: 800; letter-spacing: .01em; color: var(--ink); white-space: nowrap; }
.nav-hotline-icon { width: 42px; height: 42px; border-radius: 50%; background: var(--amber); display: grid; place-items: center; color: var(--ink); animation: ring 2.4s infinite; }
.nav-toggle { display: none; }
.nav-backdrop { display: none; }

.search-panel { background: var(--ink); padding: 18px 0; border-top: 3px solid var(--amber); }
.search-panel[hidden] { display: none; }
.search-form { display: flex; align-items: center; gap: 12px; color: var(--white); }
.search-form > .bi-search { font-size: 20px; color: var(--amber); }
.search-form input { flex: 1; min-width: 0; background: transparent; border: 0; border-bottom: 1px solid var(--steel-3); padding: 10px 4px; color: var(--white); font-size: 18px; }
.search-form input:focus { outline: none; border-color: var(--amber); }

@keyframes ring { 0%, 60%, 100% { box-shadow: 0 0 0 0 rgba(242,169,0,.55); } 30% { box-shadow: 0 0 0 10px rgba(242,169,0,0); } }

/* ==========================================================================
   Hero slider
   ========================================================================== */
.hero { position: relative; height: min(88vh, 820px); min-height: 560px; background: var(--ink); overflow: hidden; color: var(--white); }
.hero-slides, .hero-slide { position: absolute; inset: 0; }
.hero-slide { opacity: 0; visibility: hidden; transition: opacity 1s var(--ease), visibility 1s; }
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); filter: saturate(1.1) contrast(1.05); }
.hero-slide.is-active .hero-bg { animation: kenburns 9s ease-out forwards; }
/* Lớp phủ chỉ làm tối phía sau chữ (bên trái), hết hẳn trước phần công trình để ảnh giữ độ sáng.
   Đã đo: chữ vẫn đạt độ tương phản ≥ 4.5:1 (mô tả) và ≥ 3:1 (tiêu đề lớn) trên cả 3 ảnh mẫu. */
.hero-slide::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(14,16,19,.88) 0%, rgba(14,16,19,.74) 34%, rgba(14,16,19,.38) 52%, rgba(14,16,19,.08) 64%, rgba(14,16,19,0) 72%),
    linear-gradient(0deg, rgba(14,16,19,.5) 0%, rgba(14,16,19,0) 18%),
    linear-gradient(180deg, rgba(14,16,19,.25) 0%, rgba(14,16,19,0) 14%);
}
.hero-content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; padding-bottom: 60px; }
.hero-content > * { max-width: 720px; opacity: 0; transform: translateY(28px); }
.hero-slide.is-active .hero-content > * { animation: rise .9s var(--ease) forwards; }
.hero-slide.is-active .hero-content > *:nth-child(2) { animation-delay: .12s; }
.hero-slide.is-active .hero-content > *:nth-child(3) { animation-delay: .24s; }
.hero-slide.is-active .hero-content > *:nth-child(4) { animation-delay: .36s; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 12px; font-family: var(--font-head); font-size: 12.5px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--amber); margin-bottom: 18px; }
.hero-eyebrow .bar { width: 44px; height: 3px; background: var(--amber); }
.hero-title { font-family: var(--font-head); font-weight: 800; font-size: clamp(36px, 5.2vw, 70px); line-height: 1.06; text-transform: uppercase; color: var(--white); margin-bottom: 22px; letter-spacing: -.01em; text-shadow: 0 2px 24px rgba(0,0,0,.4); }
.hero-text { font-size: clamp(16px, 1.6vw, 19px); color: rgba(255,255,255,.92); max-width: 580px; margin-bottom: 34px; text-shadow: 0 1px 12px rgba(0,0,0,.5); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-controls { position: absolute; left: 0; right: 0; bottom: 38px; z-index: 3; display: flex; align-items: center; gap: 28px; }
.hero-count { font-family: var(--font-head); font-size: 15px; font-weight: 600; color: rgba(255,255,255,.6); letter-spacing: .08em; }
.hero-count strong { color: var(--white); font-size: 26px; font-weight: 800; margin-right: 4px; }
.hero-count span { margin-right: 4px; }
.hero-dots { display: flex; gap: 10px; flex: 1; max-width: 360px; }
.hero-dot { flex: 1; height: 24px; background: none; border: 0; padding: 10px 0; }
.hero-dot span { display: block; height: 3px; background: rgba(255,255,255,.25); position: relative; overflow: hidden; }
.hero-dot span::after { content: ""; position: absolute; inset: 0; background: var(--amber); transform: scaleX(0); transform-origin: left; }
.hero-dot.is-active span::after { animation: progress var(--slide-ms, 7000ms) linear forwards; }
.hero.is-paused .hero-dot.is-active span::after { animation-play-state: paused; }
.hero-arrows { display: flex; gap: 10px; margin-left: auto; }
.hero-scroll { position: absolute; left: 50%; bottom: 26px; z-index: 3; width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.5); border-radius: 14px; transform: translateX(-50%); display: none; }
.hero-scroll span { position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; margin-left: -1.5px; background: var(--amber); border-radius: 2px; animation: scrolldot 1.8s infinite; }

@keyframes kenburns { from { transform: scale(1.08); } to { transform: scale(1); } }
@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes progress { to { transform: scaleX(1); } }
@keyframes scrolldot { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ==========================================================================
   About
   ========================================================================== */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.about-media { position: relative; padding: 0 12% 16% 0; }
.about-media::before { content: ""; position: absolute; left: -22px; top: -22px; width: 42%; height: 55%; border: 6px solid var(--amber); z-index: 0; }
.about-img-main { position: relative; z-index: 1; width: 100%; aspect-ratio: 4 / 3.3; object-fit: cover; box-shadow: var(--shadow); }
.about-img-sub { position: absolute; z-index: 2; right: 0; bottom: 0; width: 52%; aspect-ratio: 4 / 3; object-fit: cover; border: 8px solid var(--white); box-shadow: var(--shadow-lg); }
.about-badge {
  position: absolute; z-index: 3; left: 24px; bottom: 36px; background: var(--ink); color: var(--white);
  padding: 20px 24px; display: flex; align-items: center; gap: 14px; box-shadow: var(--shadow-lg); border-left: 5px solid var(--amber);
}
.about-badge strong { font-family: var(--font-head); font-size: 46px; font-weight: 800; line-height: 1; color: var(--amber); }
.about-badge span { font-size: 13.5px; line-height: 1.4; color: #cfd3d8; }
.about-text { color: var(--muted); }
.checklist { list-style: none; padding: 0; margin: 22px 0 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; color: var(--ink); line-height: 1.45; }
.checklist i { color: var(--amber-600); font-size: 19px; margin-top: -1px; }
.about-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px 32px; }
.phone-cta { display: flex; align-items: center; gap: 12px; line-height: 1.25; }
.phone-cta small { display: block; color: var(--muted); font-size: 13px; }
.phone-cta strong { font-family: var(--font-head); font-size: 20px; font-weight: 800; color: var(--ink); letter-spacing: .01em; white-space: nowrap; }
.phone-cta-icon { width: 52px; height: 52px; border-radius: 50%; border: 2px dashed var(--amber); display: grid; place-items: center; font-size: 22px; color: var(--amber-600); }

/* ==========================================================================
   Stats band
   ========================================================================== */
.stats-band {
  position: relative; background-color: var(--ink); color: var(--white); padding: 64px 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 36px 36px;
}
.stats-band::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 6px; background: repeating-linear-gradient(-45deg, var(--amber) 0 14px, var(--ink) 14px 28px); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 10px 28px; border-left: 1px solid var(--steel-3); position: relative; }
.stat:first-child { border-left: 0; }
.stat-icon { font-size: 28px; color: var(--amber); display: block; margin-bottom: 10px; }
.stat-value { font-family: var(--font-head); font-weight: 800; font-size: clamp(38px, 4.2vw, 54px); line-height: 1; color: var(--white); margin-bottom: 8px; font-variant-numeric: tabular-nums; }
.stat-label { color: var(--muted-light); font-size: 14.5px; line-height: 1.45; max-width: 220px; }

/* ==========================================================================
   Services
   ========================================================================== */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card { background: var(--white); border: 1px solid var(--line); display: flex; flex-direction: column; transition: transform .35s var(--ease), box-shadow .35s; position: relative; }
.service-card::after { content: ""; position: absolute; left: 0; bottom: 0; height: 4px; width: 100%; background: var(--amber); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.service-card:hover::after { transform: scaleX(1); }
.service-media { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--steel); }
.service-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.service-card:hover .service-media img { transform: scale(1.07); }
.service-body { padding: 44px 30px 32px; position: relative; flex: 1; display: flex; flex-direction: column; align-items: flex-start; }
.service-body p { color: var(--muted); flex: 1; }
.service-icon { position: absolute; top: -34px; left: 30px; width: 68px; height: 68px; display: grid; place-items: center; background: var(--amber); color: var(--ink); font-size: 30px; box-shadow: 0 10px 20px rgba(242,169,0,.35); }
.service-no { position: absolute; top: 14px; right: 24px; font-family: var(--font-head); font-size: 46px; font-weight: 800; line-height: 1; color: transparent; -webkit-text-stroke: 1px var(--line); }
.service-title { font-family: var(--font-head); font-size: 21px; line-height: 1.2; text-transform: uppercase; font-weight: 800; letter-spacing: 0; }
.service-title a:hover { color: var(--amber-600); }
.service-card .service-title { padding-right: 52px; }

.service-rows { display: grid; gap: 40px; }
.service-row { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; background: var(--paper); }
.service-row:nth-child(even) .service-row-media { order: 2; }
.service-row-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; display: block; background: var(--steel); }
.service-row-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.service-row:hover .service-row-media img { transform: scale(1.05); }
.service-row-media .service-no { top: auto; bottom: 16px; right: 20px; font-size: 68px; -webkit-text-stroke: 1.5px rgba(255,255,255,.7); }
.service-row-body { padding: clamp(28px, 4vw, 56px); }
.service-row-body .service-icon { position: static; margin-bottom: 20px; }
.service-row-body p { color: var(--muted); margin-bottom: 26px; }

/* ==========================================================================
   Projects
   ========================================================================== */
.filter-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-tabs button, .filter-tabs a {
  padding: 9px 20px; border: 1px solid var(--steel-3); background: transparent; color: #c9ced4; border-radius: 40px;
  font-family: var(--font-head); font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; transition: all .2s;
}
.filter-tabs button:hover, .filter-tabs a:hover { border-color: var(--amber); color: var(--amber); }
.filter-tabs .is-active, .filter-tabs .is-active:hover { background: var(--amber); border-color: var(--amber); color: var(--ink); }
.filter-tabs--links { justify-content: center; margin-bottom: 44px; }
.filter-tabs--links a { border-color: var(--line); color: var(--text); }

.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.project-card { position: relative; background: var(--steel-2); display: flex; flex-direction: column; transition: transform .35s var(--ease), box-shadow .35s, opacity .35s; }
.project-card.is-hidden { display: none; }
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-thumb { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--steel-3); }
.project-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease), filter .4s; }
.project-card:hover .project-thumb img { transform: scale(1.08); }
.project-thumb::after { content: "\F138"; font-family: "bootstrap-icons"; position: absolute; right: 16px; bottom: 16px; width: 48px; height: 48px; display: grid; place-items: center; background: var(--amber); color: var(--ink); font-size: 20px; transform: translateY(20px); opacity: 0; transition: all .35s var(--ease); }
.project-card:hover .project-thumb::after { transform: none; opacity: 1; }
.project-cat { position: absolute; left: 0; top: 18px; background: var(--amber); color: var(--ink); padding: 5px 14px; font-family: var(--font-head); font-weight: 700; font-size: 11.5px; letter-spacing: .05em; text-transform: uppercase; }
.project-info { padding: 22px 24px 26px; border-top: 3px solid var(--amber); flex: 1; }
.project-title { font-family: var(--font-head); font-size: 18.5px; font-weight: 800; text-transform: uppercase; line-height: 1.22; margin-bottom: 12px; color: var(--white); }
.project-title a:hover { color: var(--amber); }
.project-meta { display: flex; gap: 8px; font-size: 14px; color: var(--muted-light); margin: 0 0 4px; line-height: 1.5; }
.project-meta i { color: var(--amber); }
.project-grid--light .project-card { background: var(--white); border: 1px solid var(--line); }
.project-grid--light .project-title { color: var(--ink); }
.project-grid--light .project-title a:hover { color: var(--amber-600); }
.project-grid--light .project-meta { color: var(--muted); }
.project-grid--light .project-meta i { color: var(--amber-600); }
.img-placeholder { width: 100%; height: 100%; display: grid; place-items: center; font-size: 56px; color: rgba(255,255,255,.25); background: repeating-linear-gradient(-45deg, var(--steel-2) 0 18px, var(--steel-3) 18px 36px); }

/* Project detail */
.detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 48px; align-items: start; }
.detail-side { position: sticky; top: calc(var(--header-h) + 24px); display: grid; gap: 24px; }
.project-gallery { margin-bottom: 32px; }
.project-gallery-main { position: relative; display: block; overflow: hidden; background: var(--steel); }
.project-gallery-main img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .8s var(--ease); }
.project-gallery-main:hover img { transform: scale(1.03); }
.zoom-hint { position: absolute; right: 16px; top: 16px; width: 44px; height: 44px; display: grid; place-items: center; background: rgba(20,23,27,.7); color: var(--white); }
.project-gallery-thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; margin-top: 10px; }
.project-gallery-thumbs a { display: block; overflow: hidden; aspect-ratio: 4 / 3; background: var(--steel); }
.project-gallery-thumbs img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease), opacity .3s; }
.project-gallery-thumbs a:hover img { transform: scale(1.1); opacity: .85; }
.lead-box { font-size: 18px; color: var(--ink); font-weight: 500; border-left: 5px solid var(--amber); background: var(--paper); padding: 20px 26px; margin-bottom: 28px; }

.info-card { background: var(--ink); color: #cfd3d8; padding: 30px 28px; border-top: 5px solid var(--amber); }
.info-card-title { font-family: var(--font-head); font-weight: 800; text-transform: uppercase; font-size: 20px; color: var(--white); margin-bottom: 18px; }
.info-list { margin: 0 0 24px; }
.info-list > div { padding: 13px 0; border-bottom: 1px dashed var(--steel-3); }
.info-list dt { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted-light); display: flex; gap: 8px; align-items: center; }
.info-list dt i { color: var(--amber); }
.info-list dd { margin: 4px 0 0; color: var(--white); font-weight: 500; line-height: 1.5; }

.side-card { background: var(--paper); padding: 28px; }
.side-card--dark { background: var(--ink); color: #cfd3d8; border-top: 5px solid var(--amber); }
.side-card--dark .side-title { color: var(--white); }
.side-title { font-family: var(--font-head); font-weight: 800; font-size: 17px; text-transform: uppercase; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--line); position: relative; }
.side-title::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 50px; height: 2px; background: var(--amber); }
.side-card--dark .side-title { border-color: var(--steel-3); }
.side-links { list-style: none; margin: 0; padding: 0; }
.side-links a { display: flex; align-items: center; gap: 10px; padding: 12px 14px; background: var(--white); margin-bottom: 6px; font-weight: 500; border-left: 3px solid transparent; transition: all .2s; }
.side-links a i { color: var(--amber-600); }
.side-links a:hover, .side-links .is-active a { border-color: var(--amber); color: var(--ink); background: var(--amber-100); }
.side-links .count { margin-left: auto; font-size: 13px; color: var(--muted); }
.side-phone { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 800; font-size: 23px; white-space: nowrap; color: var(--amber); margin: 6px 0 18px; }
.side-phone:hover { color: var(--white); }
.side-search { display: flex; border: 2px solid var(--line); }
.side-search input { flex: 1; min-width: 0; border: 0; padding: 12px 14px; font: inherit; }
.side-search input:focus { outline: none; }
.side-search button { border: 0; background: var(--amber); width: 50px; font-size: 18px; }
.side-posts { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.side-posts a { display: flex; gap: 12px; align-items: flex-start; }
.side-posts img { width: 80px; height: 62px; object-fit: cover; flex-shrink: 0; }
.side-posts strong { display: block; font-size: 14.5px; line-height: 1.4; font-weight: 600; color: var(--ink); }
.side-posts a:hover strong { color: var(--amber-600); }
.side-posts small { color: var(--muted); font-size: 12.5px; }

/* ==========================================================================
   Values
   ========================================================================== */
.values-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.values-media { position: relative; }
.values-media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.values-media::after { content: ""; position: absolute; right: -18px; bottom: -18px; width: 60%; height: 60%; z-index: -1; background: repeating-linear-gradient(-45deg, var(--amber) 0 12px, transparent 12px 24px); opacity: .6; }
.values-quote { position: absolute; left: -1px; bottom: 32px; max-width: 78%; background: var(--amber); color: var(--ink); padding: 22px 26px; }
.values-quote i { font-size: 34px; line-height: 1; display: block; margin-bottom: 4px; }
.values-quote p { margin: 0; font-family: var(--font-head); font-weight: 800; font-size: 21px; line-height: 1.2; text-transform: uppercase; }
.value-list { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 32px; margin: 32px 0; }
.value-item { display: flex; gap: 16px; }
.value-item h3 { font-family: var(--font-head); font-weight: 800; font-size: 17.5px; text-transform: uppercase; margin-bottom: 6px; }
.value-item p { color: var(--muted); font-size: 15px; margin: 0; }
.value-icon { width: 54px; height: 54px; flex-shrink: 0; display: grid; place-items: center; border: 2px solid var(--amber); color: var(--amber-600); font-size: 24px; transition: all .3s; }
.value-item:hover .value-icon { background: var(--amber); color: var(--ink); }

.value-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 12px; }
.value-card { position: relative; background: var(--paper); padding: 32px 28px; border-bottom: 4px solid var(--amber); overflow: hidden; }
.value-card .value-icon { margin-bottom: 18px; }
.value-card h3 { font-family: var(--font-head); font-weight: 800; font-size: 20px; text-transform: uppercase; }
.value-card p { color: var(--muted); margin: 0; }
.value-num { position: absolute; right: 18px; top: 8px; font-family: var(--font-head); font-size: 64px; font-weight: 800; color: transparent; -webkit-text-stroke: 1.5px #ddd6c9; line-height: 1; }

/* ==========================================================================
   Partners
   ========================================================================== */
.partner-marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.partner-track { display: flex; gap: 22px; width: max-content; animation: marquee 60s linear infinite; padding: 8px 0; }
.partner-marquee:hover .partner-track { animation-play-state: paused; }
.partner-logo { flex: 0 0 auto; width: 190px; height: 104px; display: grid; place-items: center; padding: 16px 22px; background: var(--white); border: 1px solid var(--line); transition: border-color .3s, box-shadow .3s, transform .3s var(--ease); }
.partner-logo img { max-height: 70px; width: auto; object-fit: contain; transition: transform .3s var(--ease); }
.partner-logo:hover { border-color: var(--amber); box-shadow: var(--shadow); transform: translateY(-3px); }
.partner-logo:hover img { transform: scale(1.05); }
@keyframes marquee { to { transform: translateX(calc(-50% - 11px)); } }

.partner-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 18px; margin-top: 16px; }
.partner-tile { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 24px 18px 16px; border: 1px solid var(--line); background: var(--white); text-align: center; transition: all .3s; min-height: 150px; }
.partner-tile img { max-height: 76px; width: auto; object-fit: contain; }
.partner-tile span { font-size: 13px; color: var(--muted); }
.partner-tile:hover { border-color: var(--amber); box-shadow: var(--shadow); transform: translateY(-3px); }

/* ==========================================================================
   News
   ========================================================================== */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.post-grid--2 { grid-template-columns: repeat(2, 1fr); }
.post-grid--3 { grid-template-columns: repeat(3, 1fr); gap: 20px; }
.post-card { background: var(--white); display: flex; flex-direction: column; border: 1px solid var(--line); transition: transform .35s var(--ease), box-shadow .35s; }
.post-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.post-thumb { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--steel); }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.post-card:hover .post-thumb img { transform: scale(1.07); }
.post-date { position: absolute; left: 18px; bottom: 0; background: var(--amber); color: var(--ink); padding: 8px 12px 6px; text-align: center; font-size: 12px; font-weight: 600; line-height: 1.2; }
.post-date strong { display: block; font-family: var(--font-head); font-weight: 800; font-size: 22px; line-height: 1; }
.post-body { padding: 22px 24px 26px; display: flex; flex-direction: column; align-items: flex-start; flex: 1; }
.post-body p { color: var(--muted); font-size: 15px; flex: 1; }
.post-cat { font-size: 12.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--amber-600); margin-bottom: 6px; }
.post-title { font-size: 18.5px; font-weight: 700; line-height: 1.4; margin-bottom: 10px; }
.post-title a:hover { color: var(--amber-600); }
.post-grid--3 .post-title { font-size: 16px; }
.post-grid--3 .post-body p { display: none; }

.post-header { margin-bottom: 24px; }
.post-heading { font-size: clamp(26px, 3.4vw, 38px); font-weight: 700; line-height: 1.25; margin: 6px 0 14px; }
.post-meta { display: flex; flex-wrap: wrap; gap: 20px; color: var(--muted); font-size: 14px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.post-meta i { color: var(--amber-600); margin-right: 6px; }
.share-bar { display: flex; align-items: center; gap: 10px; margin: 36px 0; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-weight: 600; }
.share-bar a, .share-bar button { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: var(--paper); border: 0; font-size: 16px; transition: all .2s; }
.share-bar a:hover, .share-bar button:hover { background: var(--amber); color: var(--ink); }
.related-title { font-family: var(--font-head); font-weight: 800; text-transform: uppercase; font-size: 23px; margin-bottom: 22px; }

/* ==========================================================================
   Page hero (inner pages)
   ========================================================================== */
.page-hero { position: relative; overflow: hidden; background: var(--ink); color: var(--white); padding: clamp(70px, 9vw, 120px) 0 clamp(60px, 7vw, 96px); }
.page-hero--sm { padding: 44px 0 40px; }
.page-hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .38; }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(14,16,19,.95), rgba(14,16,19,.55)); }
.page-hero-inner { position: relative; z-index: 2; }
.page-hero-title { font-family: var(--font-head); font-weight: 800; text-transform: uppercase; color: var(--white); font-size: clamp(28px, 4.2vw, 52px); line-height: 1.1; letter-spacing: -.005em; margin: 0; max-width: 900px; }
.page-hero--sm .page-hero-title { font-size: clamp(21px, 2.6vw, 29px); }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,.7); margin-bottom: 16px; }
.breadcrumb a:hover { color: var(--amber); }
.breadcrumb .bi-chevron-right { font-size: 11px; color: var(--amber); }
.breadcrumb [aria-current] { color: var(--amber); }

/* ==========================================================================
   Prose (nội dung soạn thảo)
   ========================================================================== */
.prose { font-size: 16.5px; color: var(--text); }
.prose > :first-child { margin-top: 0; }
.prose h2 { font-family: var(--font-head); font-size: clamp(21px, 2.4vw, 27px); font-weight: 800; text-transform: uppercase; margin: 1.6em 0 .6em; padding-left: 16px; border-left: 5px solid var(--amber); line-height: 1.25; }
.prose h3 { font-family: var(--font-head); font-size: 19px; font-weight: 800; text-transform: uppercase; margin: 1.4em 0 .5em; color: var(--ink); }
.prose h4 { font-size: 18px; margin: 1.2em 0 .5em; }
.prose p.lead, .prose .lead { font-size: 19px; color: var(--ink); font-weight: 500; line-height: 1.65; }
.prose a { color: var(--amber-600); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.prose a:hover { color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1.2em; }
.prose ul { list-style: none; padding-left: 0; }
.prose ul li { position: relative; padding-left: 28px; margin-bottom: 8px; }
.prose ul li::before { content: ""; position: absolute; left: 4px; top: .62em; width: 10px; height: 10px; background: var(--amber); transform: rotate(45deg); }
.prose ol li { margin-bottom: 8px; }
.prose img { height: auto; margin: 1.4em 0; }
.prose figure { margin: 1.6em 0; }
.prose figure img { margin: 0; width: 100%; }
.prose figcaption { font-size: 14px; color: var(--muted); text-align: center; margin-top: 10px; font-style: italic; }
.prose .figure-doc { max-width: 560px; margin-left: auto; margin-right: auto; box-shadow: var(--shadow); padding: 14px; background: var(--white); border: 1px solid var(--line); }
.prose blockquote { margin: 1.6em 0; padding: 24px 28px 24px 70px; background: var(--ink); color: var(--white); font-family: var(--font-head); font-size: 21px; font-weight: 800; line-height: 1.35; text-transform: uppercase; position: relative; border-left: 6px solid var(--amber); }
.prose blockquote::before { content: "\F6B0"; font-family: "bootstrap-icons"; position: absolute; left: 22px; top: 18px; font-size: 34px; color: var(--amber); text-transform: none; }
.prose blockquote p { margin: 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.2em 0 2em; font-size: 15px; }
.prose th, .prose td { padding: 12px 16px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.prose thead th { background: var(--ink); color: var(--white); font-family: var(--font-head); font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; border-color: var(--steel-3); }
.prose tbody tr:nth-child(even) { background: #faf9f6; }
.prose tbody th { background: var(--paper); color: var(--ink); }
.prose tr.row-group td { background: var(--amber-100); font-weight: 700; color: var(--ink); text-transform: uppercase; font-size: 14px; letter-spacing: .04em; }
.prose td.nowrap { white-space: nowrap; }
.prose table.table-info { display: table; }
.prose table.table-info th { width: 34%; }
.prose .content-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin: 1.2em 0 2em; }
.prose .content-gallery figure { margin: 0; background: var(--paper); }
.prose .content-gallery img { aspect-ratio: 4 / 3; object-fit: cover; margin: 0; cursor: zoom-in; }
.prose .content-gallery figcaption { font-style: normal; font-family: var(--font-head); font-size: 13px; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; color: var(--ink); padding: 10px 12px; margin: 0; text-align: left; border-top: 3px solid var(--amber); }
.prose iframe { max-width: 100%; }

/* Leaders */
.leader-list { display: grid; gap: 30px; margin-top: 40px; }
.leader-card { display: grid; grid-template-columns: 260px 1fr; background: var(--paper); border-left: 6px solid var(--amber); }
.leader-card:nth-child(1) { background: var(--ink); color: #cfd3d8; }
.leader-card:nth-child(1) .leader-name { color: var(--white); }
.leader-photo { position: relative; min-height: 280px; background: linear-gradient(135deg, var(--steel), var(--steel-3)); overflow: hidden; }
.leader-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.leader-initial { position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--font-head); font-size: 104px; font-weight: 800; color: var(--amber); background: repeating-linear-gradient(-45deg, rgba(255,255,255,.02) 0 16px, rgba(255,255,255,.05) 16px 32px); }
.leader-body { padding: 34px 40px; }
.leader-position { display: inline-block; background: var(--amber); color: var(--ink); padding: 4px 12px; font-family: var(--font-head); font-weight: 700; font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 12px; }
.leader-name { font-family: var(--font-head); font-weight: 800; font-size: 27px; text-transform: uppercase; margin-bottom: 14px; }
.leader-body p { margin: 0; line-height: 1.75; }

/* Albums */
.album-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.album-grid--4 { grid-template-columns: repeat(4, 1fr); }
.album-card { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--steel); color: var(--white); }
.album-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.album-card:hover img { transform: scale(1.08); }
.album-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: 22px; background: linear-gradient(0deg, rgba(14,16,19,.9), rgba(14,16,19,.05) 60%); }
.album-count { font-size: 13px; color: var(--amber); font-weight: 600; margin-bottom: 4px; }
.album-title { font-family: var(--font-head); font-size: 19px; font-weight: 800; text-transform: uppercase; line-height: 1.2; }
.album-card:hover { color: var(--white); }
.album-card:hover .album-title { color: var(--amber); }
.photo-grid { columns: 3 280px; column-gap: 14px; }
.photo-grid a { display: block; margin-bottom: 14px; break-inside: avoid; overflow: hidden; background: var(--steel); }
.photo-grid img { width: 100%; transition: transform .6s var(--ease), opacity .3s; cursor: zoom-in; }
.photo-grid a:hover img { transform: scale(1.04); opacity: .9; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(36px, 5vw, 70px); align-items: start; }
.contact-info .section-title { font-size: clamp(26px, 3.2vw, 38px); }
.contact-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 18px; }
.contact-list li { display: flex; gap: 16px; align-items: flex-start; }
.contact-list small { display: block; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }
.contact-list a { font-weight: 600; color: var(--ink); }
.ci { width: 50px; height: 50px; flex-shrink: 0; display: grid; place-items: center; background: var(--amber); color: var(--ink); font-size: 20px; }
.contact-form-wrap { background: var(--paper); padding: clamp(26px, 4vw, 44px); border-top: 5px solid var(--amber); }
.form-title { font-family: var(--font-head); font-weight: 800; text-transform: uppercase; font-size: 24px; margin-bottom: 4px; }
.form-sub { color: var(--muted); margin-bottom: 22px; }
.contact-form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; }
.field span { font-size: 14px; font-weight: 600; color: var(--ink); }
.field b { color: var(--red); }
.field input, .field textarea { width: 100%; padding: 13px 15px; border: 1px solid var(--line); background: var(--white); font: inherit; font-size: 15.5px; color: var(--text); border-radius: var(--radius); transition: border-color .2s, box-shadow .2s; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--amber); box-shadow: 0 0 0 3px rgba(242,169,0,.18); }
.contact-form .btn { justify-self: start; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alert { padding: 14px 18px; margin-bottom: 18px; border-left: 4px solid; border-radius: var(--radius); }
.alert ul { margin: 0; padding-left: 18px; }
.alert-success { background: #e9f7ef; border-color: #1f9d55; color: #14532d; }
.alert-danger { background: #fdecec; border-color: var(--red); color: #7f1d1d; }
.map-wrap { line-height: 0; filter: grayscale(.35); }
.map-wrap iframe { width: 100%; height: 440px; border: 0; }

/* Search & misc */
.search-big { display: flex; gap: 10px; margin-bottom: 26px; }
.search-big input { flex: 1; min-width: 0; padding: 14px 18px; border: 2px solid var(--line); font: inherit; font-size: 17px; }
.search-big input:focus { outline: none; border-color: var(--amber); }
.search-summary { color: var(--muted); }
.search-group { margin-top: 30px; }
.search-group h2 { font-family: var(--font-head); font-weight: 800; text-transform: uppercase; font-size: 20px; padding-bottom: 8px; border-bottom: 2px solid var(--amber); }
.search-results { list-style: none; margin: 0; padding: 0; }
.search-results a { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.search-results img { width: 110px; height: 76px; object-fit: cover; flex-shrink: 0; }
.search-results strong { display: block; color: var(--ink); margin-bottom: 4px; }
.search-results small { color: var(--muted); font-size: 14px; }
.search-results a:hover strong { color: var(--amber-600); }
.empty-state { text-align: center; color: var(--muted); padding: 60px 0; font-size: 17px; }
.empty-state i { display: block; font-size: 44px; color: var(--line); margin-bottom: 10px; }
.error-code { font-family: var(--font-head); font-size: clamp(110px, 18vw, 200px); font-weight: 800; line-height: 1; color: transparent; -webkit-text-stroke: 3px var(--amber); }
.error-actions { display: flex; gap: 12px; justify-content: center; margin-top: 24px; flex-wrap: wrap; }

.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 48px; flex-wrap: wrap; }
.pagination a, .pagination span { min-width: 44px; height: 44px; padding: 0 12px; display: grid; place-items: center; border: 1px solid var(--line); font-weight: 600; }
.pagination a:hover { border-color: var(--amber); color: var(--ink); background: var(--amber-100); }
.pagination .current { background: var(--amber); border-color: var(--amber); color: var(--ink); }
.pagination .dots { border: 0; }

/* ==========================================================================
   CTA & footer
   ========================================================================== */
.cta-band { position: relative; background: var(--amber); color: var(--ink); overflow: hidden; }
.cta-band::before { content: ""; position: absolute; right: -80px; top: 0; bottom: 0; width: 45%; background: repeating-linear-gradient(-45deg, rgba(20,23,27,.07) 0 18px, transparent 18px 36px); transform: skewX(-18deg); }
.cta-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 28px 48px; padding-top: 48px; padding-bottom: 48px; flex-wrap: wrap; }
.cta-text h2 { font-family: var(--font-head); font-weight: 800; font-size: clamp(23px, 2.9vw, 34px); text-transform: uppercase; margin-bottom: 8px; line-height: 1.15; }
.cta-text p { margin: 0; font-size: 16.5px; max-width: 620px; }
.cta-actions { display: flex; align-items: center; gap: 16px 24px; flex-wrap: wrap; }
.cta-phone { display: flex; align-items: center; gap: 12px; font-family: var(--font-head); font-size: 23px; font-weight: 800; line-height: 1.1; white-space: nowrap; }
.cta-phone i { width: 54px; height: 54px; display: grid; place-items: center; background: var(--ink); color: var(--amber); border-radius: 50%; font-size: 22px; }
.cta-phone small { display: block; font-family: var(--font-body); font-size: 12.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.cta-phone:hover { color: var(--ink); }
.cta-band .btn-dark:hover { background: var(--white); color: var(--ink); }

.site-footer { background: #0f1215; color: #a3a9b1; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr 1.4fr; gap: 40px; padding-top: 76px; padding-bottom: 56px; }
.footer-brand { display: inline-block; background: var(--white); padding: 10px 14px; margin-bottom: 20px; border-radius: var(--radius); }
.footer-brand img { height: 70px; width: auto; }
.footer-about p { line-height: 1.75; }
.footer-title { font-family: var(--font-head); font-weight: 800; font-size: 16px; text-transform: uppercase; color: var(--white); letter-spacing: .03em; margin-bottom: 22px; position: relative; padding-bottom: 12px; }
.footer-title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 36px; height: 3px; background: var(--amber); }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { display: inline-flex; gap: 8px; transition: color .2s, transform .2s; }
.footer-links a::before { content: "\F285"; font-family: "bootstrap-icons"; font-size: 11px; color: var(--amber); margin-top: 5px; }
.footer-links a:hover { color: var(--white); transform: translateX(4px); }
.footer-contact ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.footer-contact li { display: flex; gap: 12px; line-height: 1.55; }
.footer-contact i { color: var(--amber); font-size: 17px; margin-top: 1px; }
.footer-contact strong { color: #d5d9de; font-weight: 600; }
.footer-contact a:hover { color: var(--amber); }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--steel-3); border-radius: 50%; transition: all .2s; }
.footer-social a:hover { background: var(--amber); border-color: var(--amber); color: var(--ink); }
.footer-bottom { border-top: 1px solid #22272d; }
.footer-bottom-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 20px; padding-bottom: 20px; font-size: 14px; }
.footer-slogan { font-family: var(--font-head); font-weight: 700; font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--amber); }

/* Floating actions */
.floating-actions { position: fixed; right: 20px; bottom: 22px; z-index: 90; display: grid; gap: 12px; }
.fab { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; border: 0; font-size: 20px; box-shadow: 0 8px 22px rgba(0,0,0,.25); transition: transform .25s var(--ease), opacity .3s, visibility .3s; }
.fab:hover { transform: scale(1.08); }
.fab-call { background: var(--red); color: var(--white); animation: ring-red 2.2s infinite; }
.fab-call:hover { color: var(--white); }
.fab-zalo { background: #0068ff; color: var(--white); font-size: 13px; font-weight: 700; }
.fab-zalo:hover { color: var(--white); }
.fab-top { background: var(--ink); color: var(--amber); opacity: 0; visibility: hidden; }
.fab-top.is-visible { opacity: 1; visibility: visible; }
@keyframes ring-red { 0%, 60%, 100% { box-shadow: 0 0 0 0 rgba(225,37,27,.55), 0 8px 22px rgba(0,0,0,.25); } 30% { box-shadow: 0 0 0 12px rgba(225,37,27,0), 0 8px 22px rgba(0,0,0,.25); } }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 1000; background: rgba(10,12,14,.95); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; }
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img { max-width: calc(100vw - 140px); max-height: calc(100vh - 120px); object-fit: contain; box-shadow: var(--shadow-lg); }
.lightbox button { position: absolute; background: rgba(255,255,255,.08); border: 0; color: var(--white); width: 52px; height: 52px; border-radius: 50%; font-size: 22px; display: grid; place-items: center; transition: background .2s; }
.lightbox button:hover { background: var(--amber); color: var(--ink); }
.lightbox .lb-close { top: 18px; right: 18px; }
.lightbox .lb-prev { left: 18px; top: 50%; margin-top: -26px; }
.lightbox .lb-next { right: 18px; top: 50%; margin-top: -26px; }
.lightbox .lb-count { position: absolute; bottom: 20px; left: 0; right: 0; text-align: center; color: rgba(255,255,255,.7); font-family: var(--font-head); font-weight: 600; letter-spacing: .08em; }

/* Reveal on scroll */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1240px) {
  .menu > .menu-item > a { padding: 0 9px; font-size: 13.5px; }
  .menu > .menu-item > a::after { left: 10px; right: 10px; }
  .nav-hotline small { display: none; }
  .nav-hotline strong { font-size: 15.5px; }
}
@media (max-width: 1100px) {
  :root { --header-h: 74px; }
  .nav-hotline { display: none; }
  .nav-toggle { display: inline-grid; }
  .brand img { height: 52px; }
  .brand-text { display: block; }
  .brand-text strong { font-size: 16px; }
  .main-nav {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 200; width: min(360px, 88vw); margin: 0;
    background: var(--ink); color: var(--white); display: flex; flex-direction: column;
    transform: translateX(100%); transition: transform .4s var(--ease); overflow-y: auto; visibility: hidden;
  }
  .nav-open .main-nav { transform: none; visibility: visible; }
  .nav-open .nav-backdrop { display: block; position: fixed; inset: 0; z-index: 150; background: rgba(0,0,0,.55); }
  /* Header dính tạo ngữ cảnh xếp lớp riêng: nâng cả header lên trên lớp nền để menu bấm được */
  .nav-open .site-header { z-index: 200; }
  .main-nav-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--steel-3); font-family: var(--font-head); font-size: 15px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--amber); }
  .main-nav-head .icon-btn { background: transparent; color: var(--white); border-color: var(--steel-3); }
  .main-nav-foot { display: block; padding: 20px; margin-top: auto; }
  .menu { flex-direction: column; align-items: stretch; padding: 8px 0; }
  .menu-item { position: relative; border-bottom: 1px solid var(--steel-2); }
  .menu > .menu-item > a { height: auto; padding: 15px 60px 15px 22px; color: var(--white); font-size: 15px; }
  .menu > .menu-item > a::after { display: none; }
  .menu > .menu-item.is-active > a { color: var(--amber); }
  .menu-caret { display: none; }
  .sub-toggle { display: grid; place-items: center; position: absolute; right: 8px; top: 6px; width: 42px; height: 42px; background: var(--steel-2); border: 0; color: var(--white); border-radius: 50%; transition: transform .3s; }
  .menu-item.is-open > .sub-toggle { transform: rotate(45deg); background: var(--amber); color: var(--ink); }
  .sub-menu, .sub-menu .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; background: var(--steel); padding: 0; min-width: 0; display: none; }
  .menu-item.is-open > .sub-menu { display: block; }
  .sub-menu a { color: #cfd3d8; padding: 12px 60px 12px 36px; }
  .sub-menu a:hover, .sub-menu .is-active > a { background: transparent; color: var(--amber); padding-left: 36px; }
  .sub-menu .sub-menu a { padding-left: 50px; }
  .sub-menu .menu-item { border-bottom: 1px solid var(--steel-2); }
  .sub-menu .sub-toggle { top: 2px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 34px 0; }
  .stat:nth-child(3) { border-left: 0; }
  .service-grid, .project-grid, .post-grid, .album-grid { grid-template-columns: repeat(2, 1fr); }
  .album-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-side { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .values-media img { aspect-ratio: 16 / 10; }
  .values-media::after { display: none; }
}
@media (max-width: 860px) {
  .hide-md { display: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .service-row { grid-template-columns: 1fr; }
  .service-row:nth-child(even) .service-row-media { order: 0; }
  .leader-card { grid-template-columns: 1fr; }
  .leader-photo { min-height: 200px; }
  .leader-body { padding: 26px 24px; }
  .hero-controls .hero-dots { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .container { padding: 0 16px; }
  .topbar-info a { display: none; }
  .topbar-inner { justify-content: center; }
  .brand-text small { display: none; }
  .brand-text strong { font-size: 14.5px; }
  .brand img { height: 46px; }
  .navbar-actions .icon-btn { width: 40px; height: 40px; }
  .hero { min-height: 540px; height: min(82vh, 720px); }
  .prose table:not(.table-info) { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .prose td.nowrap { white-space: normal; }
  .hero-slide::after { background: linear-gradient(0deg, rgba(14,16,19,.92) 0%, rgba(14,16,19,.8) 36%, rgba(14,16,19,.35) 60%, rgba(14,16,19,0) 80%); }
  .hero-eyebrow { display: none; }
  .hero-content { justify-content: flex-end; padding-bottom: 110px; }
  .hero-title { font-size: 32px; line-height: 1.12; }
  .hero-text { font-size: 15.5px; margin-bottom: 24px; }
  .hero-actions .btn { padding: 12px 20px; font-size: 16px; }
  .hero-controls { bottom: 26px; }
  .about-media { padding: 0 0 22% 0; }
  .about-media::before { left: -8px; top: -8px; }
  .about-img-sub { width: 58%; border-width: 5px; }
  .about-badge { left: 10px; bottom: 16px; padding: 14px 16px; }
  .about-badge strong { font-size: 34px; }
  .checklist { grid-template-columns: 1fr; }
  .stats-band { padding: 48px 0; }
  .stat { padding: 6px 14px; }
  .stat-label { font-size: 13px; }
  .service-grid, .project-grid, .post-grid, .post-grid--2, .post-grid--3, .album-grid, .album-grid--4 { grid-template-columns: 1fr; }
  .value-list, .value-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; padding-top: 56px; }
  .section-head { margin-bottom: 30px; }
  .filter-tabs button, .filter-tabs a { padding: 8px 14px; font-size: 12px; }
  .prose blockquote { font-size: 17px; padding: 20px 20px 20px 58px; }
  .prose blockquote::before { left: 16px; font-size: 28px; }
  .prose table.table-info, .prose table.table-info tbody, .prose table.table-info tr, .prose table.table-info th, .prose table.table-info td { display: block; width: 100%; }
  .prose table.table-info th { border-bottom: 0; padding-bottom: 4px; }
  .lightbox img { max-width: 100vw; max-height: 80vh; }
  .lightbox .lb-prev, .lightbox .lb-next { top: auto; bottom: 12px; margin: 0; }
  .cta-actions { width: 100%; }
  .map-wrap iframe { height: 320px; }
  .floating-actions { right: 14px; bottom: 16px; }
  .fab { width: 48px; height: 48px; }
  .search-form .btn { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
  .partner-track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; }
  .partner-logo[aria-hidden="true"] { display: none; }
}

/* ==========================================================================
   Slider sáng màu (.hero--light): bảng sáng bên trái chứa chữ, ảnh bên phải không phủ tối
   --panel-w = lề trái của nội dung + 540px, nên chỗ cho chữ luôn đủ rộng ở mọi màn hình.
   ========================================================================== */
.hero--light {
  --panel-w: calc(max(20px, (100vw - 1240px) / 2 + 20px) + 540px);
  --slant: 70px;
  background: var(--paper); color: var(--ink); height: min(82vh, 760px); min-height: 560px;
}
.hero--light .hero-bg { left: calc(var(--panel-w) - var(--slant) - 10px); right: 0; width: auto; filter: saturate(1.08) contrast(1.04); }
/* bảng sáng đè lên mép trái ảnh, cạnh phải cắt chéo */
.hero--light .hero-slide::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: var(--panel-w); z-index: 1;
  background: var(--paper); clip-path: polygon(0 0, 100% 0, calc(100% - var(--slant)) 100%, 0 100%);
}
/* vạch vàng chạy dọc mép chéo (dùng lại ::after, không còn là lớp phủ tối) */
.hero--light .hero-slide::after {
  background: var(--amber); z-index: 1;
  clip-path: polygon(var(--panel-w) 0, calc(var(--panel-w) + 10px) 0,
    calc(var(--panel-w) - var(--slant) + 10px) 100%, calc(var(--panel-w) - var(--slant)) 100%);
}
.hero--light .hero-content { z-index: 2; padding-bottom: 90px; }
.hero--light .hero-content > * { max-width: 440px; }
.hero--light .hero-eyebrow { color: var(--amber-600); }
.hero--light .hero-title { color: var(--ink); text-shadow: none; font-size: clamp(34px, 3.6vw, 50px); line-height: 1.1; }
.hero--light .hero-text { color: var(--muted); text-shadow: none; font-size: 17px; }
.hero--light .btn-primary:hover { background: var(--ink); color: var(--amber); }
.hero--light .btn-ghost { border-color: var(--ink); color: var(--ink); }
.hero--light .btn-ghost:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }
.hero--light .hero-count { color: var(--muted); }
.hero--light .hero-count strong { color: var(--ink); }
.hero--light .hero-dots { max-width: 260px; }
.hero--light .hero-dot span { background: rgba(20,23,27,.14); }
.hero--light .hero-arrows .icon-btn--light { color: var(--ink); border-color: rgba(20,23,27,.25); background: var(--white); }
.hero--light .hero-arrows .icon-btn--light:hover { background: var(--amber); border-color: var(--amber); }
.hero--light::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 8px; z-index: 3;
  background: repeating-linear-gradient(-45deg, var(--amber) 0 14px, var(--ink) 14px 28px);
}
@media (max-width: 900px) {
  .hero--light { --panel-w: 440px; --slant: 50px; }
  .hero--light .hero-content > * { max-width: 340px; }
  .hero--light .hero-title { font-size: 32px; }
  .hero--light .hero-text { font-size: 15.5px; }
  .hero--light .hero-dots { display: none; }
}
@media (max-width: 640px) {
  /* Điện thoại: ảnh ở trên (không phủ tối), bảng sáng ở dưới */
  .hero--light { height: 700px; min-height: 0; }
  .hero--light .hero-bg { left: 0; right: 0; width: 100%; height: 44%; object-position: center; }
  .hero--light .hero-slide::before { top: 41%; bottom: 0; width: 100%; clip-path: polygon(0 26px, 100% 0, 100% 100%, 0 100%); }
  .hero--light .hero-slide::after { display: none; }
  .hero--light .hero-content { justify-content: flex-end; padding-bottom: 88px; }
  .hero--light .hero-content > * { max-width: none; }
  .hero--light .hero-title { font-size: 30px; margin-bottom: 14px; }
  .hero--light .hero-text { margin-bottom: 20px; }
  .hero--light .hero-actions { flex-wrap: nowrap; gap: 10px; }
  .hero--light .hero-actions .btn { font-size: 12.5px; padding: 12px 14px; }
  .hero--light .hero-controls { bottom: 28px; }
}
@media (max-width: 640px) {
  /* chừa chỗ cho nút gọi nổi ở góc phải dưới */
  .hero-arrows { margin-right: 60px; }
}