/*
Theme Name: THN Matrix
Version: 3.2.0
Requires at least: 6.4
Requires PHP: 8.1
Description: Mobile-first directory, Pure CSS and Vanilla JS.
Author: Duy Hiển Agency
Text Domain: thn-theme
*/
:root{--ink:#12253b;--muted:#526579;--blue:#245cdb;--line:#dae3ed;--bg:#f4f7fb;--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--ink);background:var(--bg);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--blue);text-underline-offset:4px}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #d98a1b;outline-offset:4px}.container{width:min(1160px,100% - 40px);margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;padding-block:14px}.brand{text-decoration:none;color:var(--ink);font-size:24px;font-weight:850;letter-spacing:-1px}.brand span{color:var(--blue)}.site-nav{display:flex;gap:24px;align-items:center}.site-nav a{font-size:14px;text-decoration:none;color:var(--ink);font-weight:650}.button{display:inline-flex;align-items:center;justify-content:center;gap:15px;min-height:48px;padding:12px 22px;border:0;border-radius:12px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;cursor:pointer}.button.secondary{background:#e9effa;color:var(--blue)}.hero{padding:70px 0 48px;display:grid;grid-template-columns:1.5fr 1fr;gap:65px;align-items:center}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:800;color:var(--blue)}h1{font-size:clamp(30px,4.5vw,54px);line-height:1.14;letter-spacing:-1.6px;margin:18px 0 22px;max-width:850px}h2{font-size:clamp(23px,2.6vw,30px);line-height:1.3;letter-spacing:-.7px}h3{font-size:20px;line-height:1.4}.lead{font-size:18px;color:var(--muted);max-width:760px}.hero-panel{background:var(--ink);color:#fff;border-radius:28px;padding:32px;position:relative}.hero-panel p{color:#c0cfe1}.hero-panel strong{font-size:28px;line-height:1.3}.hero-panel .mini-row{display:flex;justify-content:space-between;border-top:1px solid #35465c;padding-top:18px;margin-top:18px;font-size:14px}.section{padding-block:36px}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:24px}.section-head p{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.platforms{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:26px;min-width:0}.card h2,.card h3{margin-top:12px}.card p{color:var(--muted)}a.card{display:block;text-decoration:none;color:var(--ink);transition:border-color .2s,transform .2s}a.card:hover{border-color:var(--blue);transform:translateY(-2px)}.platform-title{display:flex;align-items:center;gap:16px}.platform-mark{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:#edf3ff;color:var(--blue);font-size:20px;font-weight:800}.platform-title h3{margin:0}.card .number{color:var(--blue);font-size:12px;font-weight:750;letter-spacing:2px}.card ul{list-style:none;padding:0;margin:16px 0 0}.card li{border-top:1px solid #eef2f7}.card li a{display:block;padding-block:10px;font-size:14px;text-decoration:none;color:var(--muted)}.card li a:hover{color:var(--blue)}.toolbar{display:flex;flex-wrap:wrap;gap:16px;margin-block:24px}.toolbar label{flex:1;min-width:170px;font-size:13px;font-weight:650}input[type=search],select{display:block;width:100%;min-height:48px;padding:10px 12px;background:white;color:var(--ink);border:1px solid #b7c7d9;border-radius:10px;margin-top:6px}details{background:white;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;padding:20px}summary{cursor:pointer;font-weight:700;min-height:28px}details p{color:var(--muted)}.ecosystem{background:var(--ink);color:white;border-radius:28px;padding:36px}.ecosystem .grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ecosystem .card{background:#20344b;border-color:#354b64;color:#fff}.ecosystem .card p{color:#c0cfe1}.site-footer{border-top:1px solid var(--line);margin-top:45px;padding-block:36px;color:var(--muted);font-size:13px}.footer-row{display:flex;justify-content:space-between;gap:25px;flex-wrap:wrap}.chips{display:flex;gap:10px;flex-wrap:wrap}.chips a{padding:10px 16px;background:white;border:1px solid var(--line);border-radius:50px;text-decoration:none;font-size:14px}.badge{font-size:11px;font-weight:800;letter-spacing:1px;color:var(--blue)}.featured{border:2px solid var(--blue);background:#f8fbff}.group h2{font-size:22px}.group .button{width:100%}.muted{font-size:13px;color:var(--muted)}.trap{position:absolute;left:-10000px}.skip{position:absolute;left:-10000px}.skip:focus{left:10px;top:10px;background:#fff;padding:10px;z-index:100}.search-results{margin-block:12px}.search-results a{display:block;padding:10px;background:white;border-bottom:1px solid var(--line)}[hidden]{display:none!important}.empty{text-align:center;padding:30px}.privacy-text{max-width:780px}.privacy-text h1{font-size:36px}.notice{background:#edf3ff;border-radius:12px;padding:16px}input[type=checkbox]{width:20px;height:20px;vertical-align:middle}#menu-toggle{display:none}@media(max-width:780px){.hero{grid-template-columns:1fr;padding-top:38px;gap:24px}.hero-panel{padding:24px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-head{display:block}.site-nav{gap:14px}.site-nav a{font-size:13px}.header-inner{gap:12px}h1{letter-spacing:-1px}.ecosystem{padding:24px}}@media(max-width:540px){.grid,.platforms,.ecosystem .grid{grid-template-columns:1fr}.container{width:calc(100% - 32px)}.card{padding:22px}.site-nav{display:none;width:100%;flex-wrap:wrap}.site-nav.open{display:flex}#menu-toggle{display:block;background:white;border:1px solid var(--line);border-radius:8px;min-height:44px;padding:8px 12px}.header-inner>.button{display:none}.section{padding-block:26px}.hero-panel .mini-row{gap:12px;font-size:12px}.toolbar{gap:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* THN 3.1 visual refresh */
.brand{display:flex;align-items:center;gap:9px;letter-spacing:-1px}.brand img{flex:none}.brand-name{color:var(--ink)!important}.brand-name b{color:var(--blue)}
.hero{position:relative;isolation:isolate;overflow:hidden;display:block;min-height:480px;padding:64px 42px;margin-top:24px;border-radius:28px;background:#eaf2ff}.hero>div{position:relative;z-index:2;max-width:620px}.hero-art{position:absolute;inset:0;z-index:-1}.hero-art img{width:100%;height:100%;object-fit:cover;object-position:center}.hero:after{content:'';position:absolute;inset:0;z-index:0;background:linear-gradient(90deg,rgba(241,247,255,.98),rgba(241,247,255,.92) 33%,rgba(241,247,255,.05) 80%)}.hero h1{font-size:clamp(32px,4vw,52px)}.hero .lead{max-width:530px}.hero-panel{display:none}
.search-panel{position:relative;margin:24px 0 20px;padding:28px!important;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 12px 32px #12253b08}.search-panel h2{margin-top:0}.search-panel .toolbar{margin-bottom:16px}.search-submit{min-width:180px}.toolbar select{appearance:none;-webkit-appearance:none;min-height:50px;background:#f8faff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%23526579' stroke-width='2'/%3E%3C/svg%3E") no-repeat right 12px center;padding-right:36px}.search-panel input{background:#f8faff}.platforms{grid-template-columns:repeat(4,minmax(0,1fr))}.platforms .card{padding:24px}.platform-title{display:block}.platform-title h3{margin-top:16px}.platforms .card:nth-child(2){background:#f0faff}.platforms .card:nth-child(3){background:#f0f4ff}.platforms .card:nth-child(4){background:#f5f3ff}.clusters{grid-template-columns:repeat(4,minmax(0,1fr))}.clusters .card{padding:22px}.clusters h3{min-height:56px;font-size:18px}.clusters .number{letter-spacing:1px}.ecosystem{background:#edf3fc;color:var(--ink);border:1px solid var(--line)}.ecosystem .eyebrow{color:var(--blue)!important}.ecosystem .grid{grid-template-columns:1fr;gap:12px}.ecosystem .card{display:flex;align-items:center;gap:20px;color:var(--ink);background:white;border:1px solid var(--line);padding:20px}.ecosystem .card h3{margin:0 0 4px;font-size:18px;overflow-wrap:anywhere}.ecosystem .card p{margin:0;color:var(--muted);font-size:14px}.eco-logo{width:130px;flex:none;display:grid;place-items:center;min-height:62px;border-right:1px solid var(--line);padding-right:18px}.eco-logo img{object-fit:contain}.wordmark{font-size:13px;font-weight:800;overflow-wrap:anywhere}.site-footer{background:#10243b;color:#b8c8dc;padding:40px 0 24px}.site-footer a{color:#d5e5ff}.site-footer .brand-name{color:white!important}.footer-columns{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:25px}.footer-columns h3{color:white;font-size:16px}.footer-columns a{display:block;padding-block:6px;text-decoration:none}.footer-bottom{border-top:1px solid #30435b;padding-top:20px;font-size:12px}
@media(max-width:900px){.clusters{grid-template-columns:repeat(3,minmax(0,1fr))}.platforms{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{padding:36px;min-height:450px}.hero>div{max-width:70%}.footer-columns{grid-template-columns:1fr 1fr}.footer-columns>div:first-child{grid-column:1/-1}}
@media(max-width:540px){.brand{font-size:20px;letter-spacing:-.8px}.brand img{width:32px;height:32px}.hero{padding:26px 22px 180px;margin-top:16px;min-height:540px}.hero>div{max-width:100%}.hero h1{font-size:33px}.hero .lead{font-size:15px;line-height:1.7}.hero .eyebrow{font-size:10px;letter-spacing:1px}.hero-art img{object-position:center bottom}.hero:after{background:linear-gradient(180deg,rgba(241,247,255,.98) 0%,rgba(241,247,255,.94) 48%,rgba(241,247,255,0) 78%)}.search-panel{padding:20px!important}.search-panel h2{font-size:23px}.search-panel .toolbar{display:grid;grid-template-columns:1fr 1fr}.search-panel .toolbar label{min-width:0}.search-panel .toolbar label:first-child{grid-column:1/-1}.search-submit{width:100%}.platforms,.clusters{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.platforms .card,.clusters .card{padding:16px;border-radius:18px}.platform-title h3{font-size:16px;overflow-wrap:anywhere}.platforms .card p{font-size:13px;line-height:1.6}.platform-mark{width:42px;height:42px}.clusters h3{font-size:16px;min-height:65px}.clusters .number{font-size:9px;letter-spacing:.8px}.clusters .card li a{font-size:13px;min-height:44px}.ecosystem{padding:20px}.ecosystem .card{padding:16px;gap:12px}.eco-logo{width:55px;padding-right:10px}.eco-logo img{width:36px;height:36px}.ecosystem .card h3{font-size:14px}.ecosystem .card p{font-size:12px}.footer-columns{gap:20px}.footer-columns p{font-size:13px}}
.site-footer .brand-name b{color:#90baff}
/* Directory header stays available on mobile, respecting the WP admin bar. */
body:has(.thn-directory) .site-header{position:sticky;top:0;z-index:95}body.admin-bar:has(.thn-directory) .site-header{top:32px}
@media(max-width:782px){body.admin-bar:has(.thn-directory) .site-header{top:46px}}
@media(max-width:540px){#menu-toggle{min-height:48px;min-width:58px}.site-nav.open a{display:flex;align-items:center;min-height:48px}}

/* 4.4: compact curated pins and ecosystem */
.thn-pinned .grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.thn-pinned .card{padding:16px;border-radius:16px;display:flex;flex-direction:column;gap:10px}.thn-pinned h3{font-size:16px;line-height:1.4;margin:0;overflow-wrap:anywhere}.thn-pinned .button{margin-top:auto;padding:10px;min-height:48px;font-size:14px}.thn-pinned .badge{font-size:11px;letter-spacing:0}.ecosystem{padding:20px}.ecosystem h2{margin:0 0 14px;font-size:22px}.ecosystem .grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.ecosystem .card{padding:12px;gap:10px;border-radius:14px;min-height:76px}.ecosystem .eco-logo{width:40px;min-height:40px;padding:0;border:0}.ecosystem .eco-logo img{width:36px;height:36px}.ecosystem .card h3{font-size:13px;margin:0;overflow-wrap:anywhere}.ecosystem .card p{display:none}
@media(max-width:780px){.ecosystem .grid,.thn-pinned .grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ecosystem{padding:14px}.ecosystem .card{gap:8px;padding:10px}.ecosystem .eco-logo{width:28px}.ecosystem .eco-logo img{width:28px;height:28px}.ecosystem .card h3{font-size:12px}.thn-pinned .card{padding:12px}.thn-pinned h3{font-size:14px}}

/* 4.5 contextual navigation and admin contact */
.thn-internal{margin:24px 0;padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff}.thn-internal h2{font-size:23px;margin:0 0 16px}.thn-internal-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.thn-internal h3{font-size:15px;margin:0 0 8px}.thn-internal nav>a,.thn-internal details>a{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:48px;font-size:14px;padding:8px 0;border-bottom:1px solid #edf1f6;text-decoration:none}.thn-internal details{padding:0;border:0;margin:10px 0}.thn-internal summary{font-size:14px;min-height:48px;display:flex;align-items:center}.thn-admin-cta{position:fixed;right:16px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:1000;display:flex;align-items:center;gap:9px;min-height:52px;padding:10px 15px;border:2px solid #fff;border-radius:30px;background:#1358e8;color:#fff;text-decoration:none;box-shadow:0 4px 18px #12253b30;font-size:14px;font-weight:750;line-height:1.25}.thn-admin-cta small{display:block;font-size:11px;font-weight:500;margin-top:2px}.thn-admin-cta:hover{background:#0943b7}.site-footer{padding-bottom:110px}
@media(max-width:767px){.thn-internal-grid{grid-template-columns:1fr;gap:18px}.thn-internal{padding:16px}.thn-internal h2{font-size:21px}body:has(.thn-mobile-actions) .thn-admin-cta{bottom:calc(88px + env(safe-area-inset-bottom,0px));right:12px}.thn-admin-cta{right:12px;font-size:13px;padding:9px 12px}}

.thn-ecosystem-footer{margin:20px 0}.thn-ecosystem-footer>div{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.thn-ecosystem-footer a{min-height:44px;display:flex;align-items:center;font-size:13px;text-decoration:none}@media(max-width:767px){.thn-ecosystem-footer>div{grid-template-columns:repeat(2,minmax(0,1fr))}}

.thn-topic-photo{margin:20px 0;position:relative;border-radius:18px;overflow:hidden;background:#e8eef6}.thn-topic-photo img{display:block;width:100%;height:auto;aspect-ratio:3/2;max-height:330px;object-fit:cover}.thn-topic-photo figcaption{position:absolute;bottom:10px;left:10px;padding:5px 10px;border-radius:7px;background:#fffE;color:#21334b;font-size:11px}@media(max-width:767px){.thn-topic-photo img{max-height:240px}}

.thn-editorial{max-width:880px;margin:28px auto;font-size:15px;line-height:1.8}.thn-editorial h2{font-size:24px}.thn-editorial h3{font-size:18px;margin:22px 0 8px}.thn-editorial p{margin:0 0 14px;color:var(--muted)}

.thn-group-placeholder{border:1px dashed #cbd5e1;background:#f8fafc;box-shadow:none}.thn-group-placeholder .thn-group-body{padding:18px}.thn-slot-pending{display:block;padding:12px;border-radius:10px;background:#e2e8f0;color:#475569;text-align:center;font-weight:600}.thn-group-placeholder[hidden]{display:none!important}
.thn-lead-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:20px 0 10px}.thn-lead-fields label{display:block;min-width:0}.thn-lead-fields input{display:block;margin-top:8px;width:100%;min-width:0;min-height:52px;padding:12px 14px;border:1px solid #bdcce0;border-radius:12px;background:#fff;color:var(--ink);font:400 16px/1.5 system-ui,sans-serif}.thn-lead-fields input:focus{border-color:var(--blue);outline:2px solid #bdd4ff;outline-offset:1px}@media(max-width:767px){.thn-lead-fields{grid-template-columns:1fr}}

/* 4.9: responsive controls and predictable focus/anchor behavior. */
.home .hero-art img{display:block}.home input,.home select{font-size:16px}.home .section[id]{scroll-margin-top:20px}.home .site-nav a{min-height:48px;display:inline-flex;align-items:center}.home .form-status{min-height:1.65em}.home .toolbar label{min-width:0}.home .footer-columns .brand{display:flex}.home #demand{scroll-margin-bottom:90px}
@media(max-width:360px){.home .brand{font-size:18px}.home .header-inner{gap:8px}.home .hero{padding-inline:18px}.home .hero h1{font-size:29px}.home .platforms .card,.home .clusters .card{padding:12px}.home .ecosystem .grid{gap:8px}}