/* =========================================================
   ZHR GLOBAL — SECTION / PAGE-LEVEL LAYOUTS
   ========================================================= */

/* ---------- Hero (trang chủ) ---------------------------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--c-ink) url("../img/insights/hero-solutions.jpg") center right / cover no-repeat;
  color: var(--c-on-dark);
  padding-block: clamp(4rem, 3rem + 7vw, 8.5rem) clamp(3rem, 2rem + 5vw, 6rem);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(7,26,43,0.98) 0%, rgba(7,26,43,0.88) 45%, rgba(7,26,43,0.62) 100%),
    radial-gradient(70% 60% at 82% 12%, rgba(25,198,180,0.30), transparent 62%),
    radial-gradient(60% 70% at 8% 95%, rgba(14,158,150,0.20), transparent 65%);
}
/* Lưới mảnh gợi cảm giác data/technology */
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 85%);
}
.hero > .wrap { position: relative; z-index: 1; }
.hero h1 { color: #fff; max-width: 17ch; }
.hero__grid {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 4.5rem); align-items: end;
}
.hero__sub { font-size: var(--text-lead); color: var(--c-on-dark-muted); max-width: 46ch; margin-top: var(--space-5); }
.hero__pillars {
  display: grid; gap: var(--space-4);
  margin-top: var(--space-5); padding-top: var(--space-5);
  border-top: 1px solid var(--c-on-dark-line);
}
.hero__pillar {
  display: flex; align-items: center; gap: var(--space-3);
  font-family: var(--font-display); font-size: var(--text-label); font-weight: 600;
  letter-spacing: var(--track-label); text-transform: uppercase; color: var(--c-on-dark);
}
.hero__pillar .icon { flex: none; width: 20px; height: 20px; color: var(--c-accent-bright); }
.hero .btn-row { margin-top: var(--space-6); }
@media (max-width: 900px) { .hero__grid { grid-template-columns: 1fr; align-items: start; } }

/* Bảng số liệu dưới hero */
.hero__stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.hero__stats .stat { border-top-color: var(--c-accent-bright); }
@media (max-width: 900px) { .hero__stats { grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--space-4); } }
@media (max-width: 560px) { .hero__stats { grid-template-columns: 1fr; } }

/* ---------- Page hero (trang phụ) ----------------------- */
.page-hero {
  position: relative; overflow: hidden;
  background: var(--c-ink); color: var(--c-on-dark);
  padding-block: clamp(3.25rem, 2.5rem + 5vw, 6.5rem) clamp(2.75rem, 2rem + 4vw, 5rem);
}
.page-hero--solutions,
.page-hero--hire,
.page-hero--why,
.page-hero--about,
.page-hero--intelligence,
.page-hero--insight,
.page-hero--contact {
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.page-hero--solutions { background-image: url("../img/insights/hero-build-vietnam.jpg"); }
.page-hero--hire { background-image: url("../img/insights/hero-hire-vietnam.jpg"); }
.page-hero--why { background-image: url("../img/insights/hero-why-zhr.jpg"); }
.page-hero--about { background-image: url("../img/insights/hero-about.jpg"); }
.page-hero--intelligence { background-image: url("../img/insights/hero-workforce-intelligence.jpg"); }
.page-hero--insight { background-image: url("../img/insights/hero-insight-salary.jpg"); }
.page-hero--contact { background-image: url("../img/insights/hero-contact.jpg"); }
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(7,26,43,0.96), rgba(7,26,43,0.70)),
    radial-gradient(75% 80% at 88% 0%, rgba(25,198,180,0.24), transparent 60%);
}
.page-hero > .wrap { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; max-width: 20ch; }
.page-hero .lead { margin-top: var(--space-5); }
.page-hero .btn-row { margin-top: var(--space-6); }

.breadcrumb { display: flex; gap: 8px; font-size: var(--text-micro); color: var(--c-on-dark-muted); margin-bottom: var(--space-5); }
.breadcrumb a:hover { color: var(--c-accent-bright); }

/* ---------- Split (nội dung 2 cột) ---------------------- */
.split {
  display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(1.75rem, 5vw, 4.5rem); align-items: start;
}
.split--reverse > *:first-child { order: 2; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  .split--reverse > *:first-child { order: 0; }
}

/* Danh sách dịch vụ dạng cột hairline */
.service-list { column-count: 2; column-gap: var(--space-6); }
.service-list li {
  break-inside: avoid; padding: 0.65rem 0 0.65rem 1.4rem; position: relative;
  border-bottom: 1px solid var(--c-line); font-size: var(--text-sm);
}
.service-list li::before {
  content: ""; position: absolute; left: 0; top: 50%; width: 8px; height: 1px;
  background: var(--c-accent); transform: translateY(-50%);
}
.section--dark .service-list li { border-bottom-color: var(--c-on-dark-line); }
@media (max-width: 640px) { .service-list { column-count: 1; } }

/* Khung kết quả (OUTCOME) */
.outcome {
  border-left: 3px solid var(--c-accent);
  padding: var(--space-4) 0 var(--space-4) var(--space-5);
  background: linear-gradient(90deg, rgba(14,158,150,0.06), transparent 70%);
  margin-top: var(--space-5);
}
.outcome__label {
  font-family: var(--font-display); font-size: var(--text-micro); font-weight: 700;
  letter-spacing: var(--track-label); text-transform: uppercase; color: var(--c-accent-deep);
}
.outcome p { margin: 6px 0 0; font-size: var(--text-sm); }
.section--dark .outcome__label { color: var(--c-accent-bright); }

/* ---------- Brand statement band ------------------------ */
.statement {
  background: var(--c-ink); color: #fff; position: relative; overflow: hidden;
  padding-block: clamp(3.5rem, 2.5rem + 6vw, 7.5rem);
  text-align: center;
}
.statement::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(60% 120% at 50% 120%, rgba(25,198,180,0.32), transparent 65%);
}
.statement > .wrap { position: relative; z-index: 1; }
.statement__text {
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--text-mega); line-height: 1.02; letter-spacing: -0.038em;
  color: #fff; margin: 0 auto; max-width: 18ch;
}
.statement__text em { font-style: normal; color: var(--c-accent-bright); }
.statement .btn-row { justify-content: center; margin-top: var(--space-6); }

/* ---------- Final CTA ----------------------------------- */
.cta-band { background: var(--c-paper-2); border-top: 1px solid var(--c-line); }
.cta-band .split { align-items: center; }
.cta-band h2 { max-width: 16ch; }
.cta-band.section--dark { background: var(--c-ink); border-top-color: var(--c-on-dark-line); }

/* ---------- Workforce mix bar --------------------------- */
.mixbar { display: flex; height: 54px; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--c-line); }
.mixbar__seg {
  display: grid; place-items: center; color: #fff;
  font-family: var(--font-display); font-size: var(--text-micro); font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  transition: flex var(--dur-slow) var(--ease);
}
.mixbar__legend { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-4); }
.mixbar__key { display: inline-flex; align-items: center; gap: 8px; font-size: var(--text-sm); color: var(--c-text-muted); }
.mixbar__dot { width: 10px; height: 10px; border-radius: 3px; }

/* ---------- Article (Insight detail) -------------------- */
.article { max-width: 760px; margin-inline: auto; }
.article h2 { font-size: var(--text-h3); margin-top: var(--space-7); margin-bottom: var(--space-3); }
.article h3 { font-size: var(--text-h4); margin-top: var(--space-6); margin-bottom: var(--space-2); }
.article p, .article li { color: var(--c-text); }
.article ul { margin: 0 0 var(--space-5); }
.article ul li { position: relative; padding-left: 1.35rem; margin-bottom: 0.55rem; }
.article ul li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 8px; height: 1px; background: var(--c-accent); }
.article table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); margin-bottom: var(--space-5); }
.article th, .article td { text-align: left; padding: 0.7rem 0.6rem; border-bottom: 1px solid var(--c-line); }
.article th { font-family: var(--font-display); font-size: var(--text-micro); letter-spacing: var(--track-label); text-transform: uppercase; color: var(--c-text-muted); }
.article__scroll { overflow-x: auto; }

.summary-box {
  background: var(--c-surface); border: 1px solid var(--c-line); border-left: 3px solid var(--c-accent);
  border-radius: var(--radius-sm); padding: clamp(1.25rem, 2.5vw, 1.75rem); margin-bottom: var(--space-6);
}
.summary-box h2 { margin: 0 0 var(--space-3); font-size: var(--text-h4); }

.article__meta {
  display: flex; flex-wrap: wrap; gap: var(--space-4);
  padding: var(--space-5) 0; border-block: 1px solid var(--c-line); margin-block: var(--space-6);
  font-size: var(--text-sm); color: var(--c-text-muted);
}
.article .sources { padding-left: 0; font-size: var(--text-sm); color: var(--c-text-muted); }
.article .sources li {
  display: grid; grid-template-columns: 8px minmax(0, 1fr); column-gap: 0.6rem;
  padding: 0.5rem 0; border-bottom: 1px solid var(--c-line);
}
.article .sources li::before {
  position: static; align-self: start; margin-top: 0.8em;
}

/* ---------- Steps "what happens next" ------------------- */
.steps { counter-reset: s; display: grid; gap: var(--space-4); }
.steps li { counter-increment: s; display: flex; gap: var(--space-4); align-items: flex-start; }
.steps li::before {
  content: counter(s, decimal-leading-zero);
  font-family: var(--font-display); font-size: var(--text-label); font-weight: 700;
  color: var(--c-accent-deep); padding-top: 3px; flex: none;
}

/* ---------- Utility ------------------------------------- */
.stack-4 > * + * { margin-top: var(--space-4); }
.stack-5 > * + * { margin-top: var(--space-5); }
.stack-6 > * + * { margin-top: var(--space-6); }
.mt-6 { margin-top: var(--space-6); }
.mt-7 { margin-top: var(--space-7); }
.sticky-side { position: sticky; top: calc(var(--header-h) + var(--space-6)); }
@media (max-width: 900px) { .sticky-side { position: static; } }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Cột trái rộng hơn — dùng cho trang có form */
.split--wide-left { grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr); }
@media (max-width: 900px) { .split--wide-left { grid-template-columns: 1fr; } }

/* =========================================================
   FONT ROLES — serif ở tiêu đề, sans ở UI/label/micro copy.
   Giữ tính chuyên nghiệp: serif cho gravitas, sans cho signage.
   ========================================================= */
.eyebrow,
.btn,
.brand__name,
.nav__link,
.card__num,
.filter, .tag,
.stat__label, .stat__source,
.field label,
.form-note, .breadcrumb,
.lang-switch button,
.hero__pillar,
.process__step-label,
.value-item__num,
.mixbar__seg,
.trust__logo, .trust__label,
.insight__cat, .insight__meta,
.article__meta,
.footer__list a, .footer__bottom, .site-footer h4,
.card__cta {
  font-family: var(--font-body);
}

/* Wordmark: nét sans hiện đại, chữ số nét serif */
.brand__name { font-weight: 700; letter-spacing: 0.06em; }

/* Chữ số lớn trong stat vẫn dùng serif để mang cảm giác biên tập/tài liệu */
.stat__value { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.02em; }

/* Nút Talk to Us cần cạnh gọn của sans */
.btn { font-weight: 600; }

/* =========================================================
   ANIMATIONS — page-load intro + scroll reveals
   Có prefers-reduced-motion để tắt cho người nhạy cảm với chuyển động.
   ========================================================= */

/* --- Hero: fade + slide in ngay khi vào trang ------------ */
@keyframes intro-up {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: none; }
}
@keyframes intro-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes intro-scale {
  from { opacity: 0; transform: scale(0.985); }
  to   { opacity: 1; transform: none; }
}

.hero > .wrap > .hero__grid > div > *,
.page-hero > .wrap > * {
  animation: intro-up 900ms var(--ease) both;
}
/* Stagger từng tầng trong hero */
.hero .eyebrow          { animation-delay:   0ms; }
.hero h1                { animation-delay:  90ms; }
.hero .hero__sub        { animation-delay: 240ms; }
.hero .btn-row          { animation-delay: 380ms; }
.hero__pillars .hero__pillar { animation: intro-fade 700ms var(--ease) both; animation-delay: 520ms; }
.hero__pillars .hero__pillar:nth-child(2) { animation-delay: 620ms; }
.hero__pillars .hero__pillar:nth-child(3) { animation-delay: 720ms; }
.hero > .wrap > .hero__grid > div:last-child > .lead { animation-delay: 800ms; }

.page-hero .breadcrumb { animation-delay: 0ms; }
.page-hero .eyebrow    { animation-delay: 60ms; }
.page-hero h1          { animation-delay: 160ms; }
.page-hero .lead       { animation-delay: 320ms; }
.page-hero .btn-row    { animation-delay: 460ms; }

/* Nền hero: gradient trôi nhẹ vào */
.hero::before, .page-hero::before, .statement::before {
  animation: intro-fade 1400ms var(--ease) both;
}
.hero::after {
  animation: intro-fade 1800ms var(--ease) both;
  animation-delay: 200ms;
}

/* --- Reveal khi cuộn: mượt hơn, hỗ trợ biến thể ---------- */
[data-reveal] {
  transition:
    opacity 900ms var(--ease),
    transform 900ms var(--ease),
    filter 900ms var(--ease);
}
[data-reveal="fade"]  { opacity: 0; transform: none; filter: blur(6px); }
[data-reveal="left"]  { opacity: 0; transform: translateX(-24px); }
[data-reveal="right"] { opacity: 0; transform: translateX(24px); }
[data-reveal="scale"] { opacity: 0; transform: scale(0.96); }
[data-reveal].is-visible { opacity: 1; transform: none; filter: none; }

/* Header co lại nhẹ khi cuộn xuống — cảm giác "settle" chuyên nghiệp */
.site-header {
  transition:
    height var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}
.site-header.is-stuck {
  height: 60px;
  box-shadow: 0 6px 22px -18px rgba(7, 26, 43, 0.35);
}

/* Nút CTA — hiệu ứng shine khi hover, tinh tế */
.btn { position: relative; overflow: hidden; isolation: isolate; }
.btn::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.22) 50%, transparent 70%);
  transform: translateX(-110%);
  transition: transform 620ms var(--ease);
  z-index: -1;
}
.btn:hover::after { transform: translateX(110%); }

/* Link menu underline: mượt, expand từ giữa */
.nav__link::after {
  left: 50%; width: 0; transform: none;
  transition: width var(--dur) var(--ease), left var(--dur) var(--ease);
}
.nav__link:hover::after,
.nav__link[aria-current="page"]::after {
  left: 0; width: 100%;
}

/* Card: khi hover, viền phát sáng nhẹ + icon xoay */
.card { transition: transform 380ms var(--ease), box-shadow 380ms var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease); }

/* Value list rows fade từng dòng khi vào tầm nhìn */
.value-list .value-item { transition: background var(--dur) var(--ease), padding-inline var(--dur) var(--ease), transform 700ms var(--ease), opacity 700ms var(--ease); }

/* Reduced motion — tắt hết animation */
@media (prefers-reduced-motion: reduce) {
  .hero > .wrap > .hero__grid > div > *,
  .page-hero > .wrap > *,
  .hero__pillars .hero__pillar,
  .hero::before, .hero::after, .page-hero::before, .statement::before {
    animation: none !important;
  }
  [data-reveal], [data-reveal="fade"], [data-reveal="left"],
  [data-reveal="right"], [data-reveal="scale"] {
    opacity: 1 !important; transform: none !important; filter: none !important;
  }
}