/* ============================================================
   HHP PAPER — multi-page styles (dropdown nav, page heroes, docs, jobs)
   ============================================================ */

/* ---------- dropdown nav ---------- */
.nav{display:flex;gap:2px;align-items:center}
.nav-item{position:relative}
.nav-item > .nav-top{padding:.5em .8em;border-radius:var(--r-pill);font-weight:var(--fw-med);font-size:.95rem;
  color:var(--ink-700);display:inline-flex;align-items:center;gap:.4em;white-space:nowrap;cursor:pointer;
  transition:color .2s,background .2s}
.nav-item > .nav-top::after{content:"";width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);opacity:.5;transition:transform .25s}
.nav-item:hover > .nav-top{color:var(--primary);background:var(--blue-050)}
.nav-item:hover > .nav-top::after{transform:rotate(225deg) translateY(-2px)}
.nav-item.active > .nav-top{color:var(--primary);font-weight:var(--fw-semi)}
.nav-item::before{content:"";position:absolute;top:100%;left:0;right:0;height:12px}
.dropdown{position:absolute;top:calc(100% + 10px);left:0;min-width:236px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-lg);padding:8px;display:flex;flex-direction:column;gap:2px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,transform .2s,visibility .2s;z-index:60}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:none}
.dropdown a{padding:.6em .8em;border-radius:var(--r-sm);font-size:.9rem;color:var(--ink-700)!important;
  font-weight:var(--fw-med);white-space:nowrap;transition:background .15s,color .15s}
.dropdown a:hover{background:var(--blue-050);color:var(--primary)!important}
/* over-hero (transparent header): keep top links light, dropdown panel dark */
.header:not(.scrolled) .nav-top{color:rgba(255,255,255,.92)}
.header:not(.scrolled) .nav-item:hover > .nav-top{color:#fff;background:rgba(255,255,255,.14)}
.header:not(.scrolled) .nav-item.active > .nav-top{color:#fff}

/* ---------- page hero banner ---------- */
.page-hero{position:relative;padding-top:clamp(124px,16vh,180px);padding-bottom:clamp(54px,8vw,96px);
  background:linear-gradient(150deg,var(--blue-700),var(--blue-600) 58%,var(--blue-500));color:#fff;overflow:hidden}
.page-hero__art{position:absolute;right:-60px;top:50%;transform:translateY(-50%);width:min(420px,42vw);aspect-ratio:1;
  opacity:.08;color:#fff;pointer-events:none}
.page-hero__art svg{width:100%;height:100%}
.page-hero__inner{position:relative;z-index:2;max-width:62ch}
.page-hero .eyebrow{color:var(--blue-200)}
.page-hero .eyebrow::before{background:var(--accent)}
.page-hero h1{font-size:var(--t-h1);font-weight:var(--fw-black);margin-top:.5em;letter-spacing:-.02em;text-wrap:balance}
.page-hero p{font-size:var(--t-lead);color:rgba(255,255,255,.85);margin-top:1.1rem;font-weight:var(--fw-reg)}
.breadcrumb{display:flex;gap:.55em;align-items:center;font-size:.82rem;color:rgba(255,255,255,.65);font-weight:var(--fw-med)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{opacity:.5}
.page-hero .hero-cta{margin-top:1.8rem}

/* split page-hero: copy left, media (image/video) right */
.page-hero--split .page-hero__inner{max-width:var(--maxw);display:grid;grid-template-columns:1.05fr .95fr;
  gap:clamp(32px,5vw,64px);align-items:center}
.page-hero--split .page-hero__copy{max-width:60ch}
.page-hero--split .page-hero__art{display:none}
.page-hero__media{position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/3;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);box-shadow:var(--sh-lg)}
.page-hero__media image-slot{width:100%;height:100%}
.page-hero__media video,.page-hero__media iframe{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0}
@media (max-width:1080px){
  .page-hero--split .page-hero__inner{grid-template-columns:1fr;gap:32px}
  .page-hero__media{aspect-ratio:16/9;max-width:620px;width:100%}
}

/* section heading block reused on pages */
.sec-head{max-width:64ch}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head.center .section-title,.sec-head.center .section-intro{margin-inline:auto}

/* generic feature/value grid */
.val-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;margin-top:2.6rem}
.val-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-sm);
  transition:transform var(--dur-1) var(--ease-out),box-shadow var(--dur-1)}
.val-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.val-card .v-ic{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(140deg,var(--blue-500),var(--blue-700));margin-bottom:16px}
.val-card .v-ic svg{width:26px;height:26px}
.val-card h4{font-size:var(--t-h3);font-size:1.18rem}
.val-card p{color:var(--text-soft);margin-top:.5em;font-size:.94rem}

/* two-column split block */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.split.reverse{direction:rtl}
.split.reverse > *{direction:ltr}
.split__media{border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/3;background:var(--blue-100);box-shadow:var(--sh-lg)}
.split__media image-slot{width:100%;height:100%}
@media (max-width:860px){.split{grid-template-columns:1fr}.split.reverse{direction:ltr}}

/* ---------- investor relations: tabs + listing info ---------- */
.ir-tabbar{background:linear-gradient(90deg,var(--blue-700),var(--blue-600));box-shadow:var(--sh-sm)}
.ir-tabbar .wrap{display:flex;gap:0;overflow-x:auto;scrollbar-width:none}
.ir-tabbar .wrap::-webkit-scrollbar{display:none}
.ir-tab{flex:none;padding:1.05em 1.3em;border:0;background:transparent;color:rgba(255,255,255,.82);
  font-family:inherit;font-weight:var(--fw-semi);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;
  cursor:pointer;white-space:nowrap;border-bottom:3px solid transparent;transition:.2s}
.ir-tab:hover{color:#fff;background:rgba(255,255,255,.1)}
.ir-tab.active{background:#fff;color:var(--primary)}
.ir-panel{display:none}
.ir-panel.active{display:block;animation:irfade .35s var(--ease-out)}
@keyframes irfade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.listing{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,4vw,48px);align-items:start;margin-top:1.6rem}
.listing__photo{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;background:var(--blue-100);box-shadow:var(--sh-md)}
.listing__photo image-slot{width:100%;height:100%}
.info-table{display:flex;flex-direction:column}
.info-table .row{display:grid;grid-template-columns:.75fr 1.25fr;gap:18px;padding:12px 2px;border-bottom:1px solid var(--line);align-items:baseline}
.info-table .k{color:var(--text-soft);font-size:.92rem}
.info-table .v{font-weight:var(--fw-semi);color:var(--primary);text-align:right}
.info-table .v b{color:var(--accent)}
@media (max-width:860px){.listing{grid-template-columns:1fr}.info-table .row{grid-template-columns:1fr;gap:1px}.info-table .v{text-align:left}}

.range-tabs{display:flex;gap:6px;margin-top:14px}
.range-tab{font-size:.74rem;font-weight:var(--fw-bold);padding:.35em .8em;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.25);background:transparent;color:rgba(255,255,255,.7);cursor:pointer;font-family:inherit}
.range-tab.active{background:#fff;color:var(--blue-700);border-color:#fff}

/* shareholder help: FAQ */
.faq{margin-top:2rem;display:flex;flex-direction:column;gap:12px;max-width:820px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.faq summary{padding:18px 20px;font-weight:var(--fw-semi);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--primary);font-weight:var(--fw-reg);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .faq-body{padding:16px 20px;color:var(--ink-700);font-size:.94rem;line-height:1.6}
.doc-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:1.4rem}
.doc-tab{font-size:.84rem;font-weight:var(--fw-semi);padding:.5em 1.1em;border-radius:var(--r-pill);
  border:1.5px solid var(--line-strong);background:#fff;color:var(--ink-700);cursor:pointer;transition:.2s;font-family:inherit}
.doc-tab:hover{border-color:var(--blue-200);color:var(--primary)}
.doc-tab.active{background:var(--primary);border-color:var(--primary);color:#fff}
.doc-list{display:flex;flex-direction:column;gap:10px;margin-top:1.5rem}
.doc-row{display:grid;grid-template-columns:auto 1fr auto auto;gap:18px;align-items:center;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);padding:15px 20px;transition:transform .2s,box-shadow .2s,border-color .2s;cursor:pointer}
.doc-row:hover{box-shadow:var(--sh-md);border-color:var(--blue-200);transform:translateX(4px)}
.doc-row .d-ic{width:44px;height:44px;border-radius:11px;background:var(--blue-050);color:var(--primary);display:grid;place-items:center;flex:none}
.doc-row .d-ic svg{width:22px;height:22px}
.doc-row .d-title{font-weight:var(--fw-semi);line-height:1.3}
.doc-row .d-meta{font-size:.78rem;color:var(--text-soft);margin-top:.25em;display:flex;gap:10px;flex-wrap:wrap}
.doc-row .d-cat{color:var(--accent);font-weight:var(--fw-bold);text-transform:uppercase;letter-spacing:.06em;font-size:.7rem}
.doc-row .d-date{font-size:.86rem;color:var(--text-soft);font-variant-numeric:tabular-nums;white-space:nowrap}
.doc-row .d-dl{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;color:var(--primary);flex:none}
.doc-row:hover .d-dl{background:var(--primary);color:#fff;border-color:var(--primary)}
.doc-row .d-dl svg{width:18px;height:18px}
.doc-row.is-hidden{display:none}
@media (max-width:680px){
  .doc-row{grid-template-columns:auto 1fr auto;gap:14px}
  .doc-row .d-date{display:none}
}

/* ---------- careers: jobs ---------- */
.job-list{display:flex;flex-direction:column;gap:14px;margin-top:2.4rem}
.job{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px 28px;transition:transform .2s,box-shadow .2s,border-color .2s}
.job:hover{box-shadow:var(--sh-md);border-color:var(--blue-200);transform:translateY(-3px)}
.job h4{font-size:1.18rem}
.job .j-meta{display:flex;gap:16px;flex-wrap:wrap;margin-top:.5em;font-size:.84rem;color:var(--text-soft)}
.job .j-meta span{display:inline-flex;align-items:center;gap:.4em}
.job .j-meta svg{width:15px;height:15px;color:var(--primary)}
.job .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:.7em}
.job .tag{font-size:.74rem;font-weight:var(--fw-semi);color:var(--ink-700);background:var(--paper-100);padding:.34em .7em;border-radius:var(--r-sm)}
@media (max-width:640px){.job{grid-template-columns:1fr}}

.perk-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:2.4rem}
.perk{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px}
.perk .p-ic{width:44px;height:44px;border-radius:11px;background:var(--green-050);color:var(--green-700);display:grid;place-items:center;flex:none}
.perk .p-ic svg{width:22px;height:22px}
.perk h4{font-size:1.02rem}
.perk p{font-size:.86rem;color:var(--text-soft);margin-top:.3em}

/* mobile nav: expand dropdowns inline */
@media (max-width:760px){
  .header.menu-open .nav{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;padding:14px;gap:2px;box-shadow:var(--sh-lg);border-top:1px solid var(--line);max-height:80vh;overflow-y:auto}
  .nav-item > .nav-top{color:var(--ink-900);font-weight:var(--fw-semi);font-size:1rem;padding:.7em .6em}
  .nav-item > .nav-top::after{display:none}
  .nav-item::before{display:none}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 8px 14px;min-width:0;
    border-left:2px solid var(--blue-100);margin-left:8px}
  .dropdown a{padding:.45em .6em;font-size:.88rem}
  .header:not(.scrolled).menu-open .nav-top{color:var(--ink-900)}
}

/* ---------- static (no-JS) ecosystem row for sub-pages ---------- */
.eco-flat{position:relative;margin-top:2.6rem}
.eco-flat::before{content:"";position:absolute;top:50%;left:7%;right:7%;height:2.5px;
  background:repeating-linear-gradient(90deg,var(--blue-300) 0 8px,transparent 8px 18px);z-index:0}
.eco-flat .eco-nodes{position:relative;z-index:1}
.eco-flat .eco-node2{margin-top:0!important;cursor:default}
.eco-flat .eco-node2:hover{transform:translateY(-4px)}
@media (max-width:760px){.eco-flat::before{display:none}}

/* ---------- compact CTA band ---------- */
.cta-band{background:linear-gradient(150deg,var(--blue-700),var(--blue-600) 60%,var(--blue-500));color:#fff;position:relative;overflow:hidden;text-align:center}
.cta-band .wrap{position:relative;z-index:2;max-width:760px}
.cta-band h2{font-size:var(--t-h2);font-weight:var(--fw-black);text-wrap:balance}
.cta-band p{font-size:var(--t-lead);color:rgba(255,255,255,.86);margin:1rem auto 0;max-width:54ch}
.cta-band .hero-cta{justify-content:center;margin-top:2rem}
.cta-band__art{position:absolute;right:-40px;bottom:-60px;width:300px;opacity:.08;color:#fff}

/* brand-value cards (Xanh/Hạnh phúc/Thịnh vượng) */
.value3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:2.6rem}
.value3 .v3{border-radius:var(--r-lg);padding:30px;color:#fff;position:relative;overflow:hidden;min-height:200px;display:flex;flex-direction:column;justify-content:flex-end}
.value3 .v3 .vn{font-size:2.4rem;font-weight:var(--fw-black);opacity:.18;position:absolute;top:14px;right:20px}
.value3 .v3 h4{font-size:1.5rem;font-weight:var(--fw-black)}
.value3 .v3 p{font-size:.92rem;color:rgba(255,255,255,.88);margin-top:.4em}
.value3 .v3:nth-child(1){background:linear-gradient(150deg,var(--green-700),var(--green-500))}
.value3 .v3:nth-child(2){background:linear-gradient(150deg,var(--blue-700),var(--blue-500))}
.value3 .v3:nth-child(3){background:linear-gradient(150deg,var(--orange-600),var(--orange-500))}
@media (max-width:760px){.value3{grid-template-columns:1fr}}

/* ---------- detailed factory sections ---------- */
.fac-head{max-width:60ch}
.fac-head .fac-cap{font-size:clamp(1.9rem,1.3rem+1.8vw,2.8rem);font-weight:var(--fw-black);color:var(--primary);letter-spacing:-.02em;margin-top:.35em;line-height:1}
.fac-head .fac-cap small{font-size:.42em;color:var(--text-soft);font-weight:var(--fw-semi);letter-spacing:0}
.fac-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(30px,4vw,60px);margin-top:2.4rem;align-items:start}
.fac-grid .fac-media{order:2}
.fac-grid.alt .fac-info{order:2}
.fac-grid.alt .fac-media{order:1}
.spec-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:1.8rem}
.spec-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px;box-shadow:var(--sh-sm)}
.fac-sec--alt .spec-card{background:var(--paper-0)}
.spec-card .k{font-size:.72rem;color:var(--text-soft);text-transform:uppercase;letter-spacing:.06em;font-weight:var(--fw-semi)}
.spec-card .v{font-size:1.12rem;font-weight:var(--fw-bold);color:var(--ink-900);margin-top:.2em}
.fac-sub{font-size:.78rem;font-weight:var(--fw-bold);letter-spacing:.1em;text-transform:uppercase;color:var(--primary);margin:1.6rem 0 .8rem}
.fac-tech{display:grid;gap:.7em}
.fac-tech li{position:relative;padding-left:1.5em;font-size:.92rem;color:var(--ink-700);line-height:1.55;text-wrap:pretty}
.fac-tech li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.fac-addr{display:flex;gap:.7em;align-items:flex-start;margin-top:1.8rem;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);font-weight:var(--fw-med);box-shadow:var(--sh-sm)}
.fac-sec--alt .fac-addr{background:var(--paper-0)}
.fac-addr svg{width:20px;height:20px;color:var(--accent);flex:none;margin-top:2px}
.fac-addr .al{font-size:.72rem;color:var(--text-soft);text-transform:uppercase;letter-spacing:.06em;font-weight:var(--fw-semi)}
.fac-media{display:flex;flex-direction:column;gap:16px;position:sticky;top:96px}
.fac-photo{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;background:var(--blue-100);box-shadow:var(--sh-md)}
.fac-photo image-slot{width:100%;height:100%}
.fac-map{border-radius:var(--r-lg);overflow:hidden;height:230px;border:1px solid var(--line);box-shadow:var(--sh-sm)}
.fac-map iframe{width:100%;height:100%;border:0;display:block}
@media (max-width:860px){
  .fac-grid{grid-template-columns:1fr}
  .fac-grid .fac-media,.fac-grid.alt .fac-media,.fac-grid.alt .fac-info{order:0}
  .fac-media{position:static}
}
@media (max-width:480px){.spec-row{grid-template-columns:1fr}}

/* ---------- image gallery (user-fillable mosaic) ---------- */
.gallery{margin-top:2.6rem;display:grid;gap:14px;grid-template-columns:repeat(6,1fr);grid-auto-rows:150px}
.gallery > *{border-radius:var(--r-md);overflow:hidden;background:var(--blue-100);box-shadow:var(--sh-sm)}
.gallery image-slot{width:100%;height:100%}
.gallery .x2{grid-column:span 2}
.gallery .x3{grid-column:span 3}
.gallery .y2{grid-row:span 2}
.gallery-note{margin-top:1rem;font-size:.84rem;color:var(--text-soft);display:flex;align-items:center;gap:.5em}
.gallery-note svg{width:16px;height:16px;color:var(--primary)}
@media (max-width:760px){
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:130px}
  .gallery .x2,.gallery .x3{grid-column:span 2}
  .gallery .y2{grid-row:span 1}
}