:root{--paper:#f6f4ed;--ink:#183d33;--muted:#59665e;--line:#d7dcd3;--orange:#a84429;--white:#fff;--soft:#e7ecdf}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 "Segoe UI",Arial,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}a:hover{color:var(--orange)}:focus-visible{outline:3px solid var(--orange);outline-offset:5px}[hidden]{display:none!important}.wrap{width:min(1200px,calc(100% - 64px));margin:auto}.skip{position:absolute;top:-80px;background:white;padding:12px;z-index:5}.skip:focus{top:0}.demo-note{background:var(--ink);color:var(--paper);font-size:12px;text-align:center;padding:6px 16px;letter-spacing:.04em}.header{border-bottom:1px solid 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strong{display:block;color:var(--ink);font-size:14px}.feature{background:var(--white);border-radius:10px;overflow:hidden;border:1px solid var(--line);box-shadow:0 12px 35px #183d3308}.feature-photo{position:relative;display:block}.feature-photo img{width:100%;height:285px;object-fit:cover;object-position:center 38%;display:block}.photo-tag{position:absolute;left:20px;top:18px;background:var(--paper);padding:6px 12px;border-radius:3px;font-size:11px;font-weight:700;letter-spacing:.08em}.feature-body{padding:25px 28px}.meta{font-size:12px;color:var(--orange);font-weight:600;margin-bottom:12px}.feature h2{font-size:26px;margin-bottom:18px}.read{font-size:13px;font-weight:650;display:flex;justify-content:space-between}.topic-line{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;padding:19px 0;font-size:12px;font-weight:600;letter-spacing:.05em}.topic-line span:first-child{color:var(--orange)}.blog-section{padding:60px 0 70px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:26px}.section-heading .eyebrow{margin-bottom:12px}.section-heading h2{margin:0}.section-heading>p{font-size:14px;color:var(--muted);margin-bottom:0}.blog-tools{padding-bottom:22px}.search-label{display:block;font-size:13px;font-weight:600;max-width:100%}.search-label input{display:block;width:100%;border:1px solid #9aa99c;border-radius:6px;padding:13px 16px;background:#fff;margin-top:8px;min-height:48px}.filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.filters button{min-height:44px;padding:9px 17px;border:1px solid #a4b1a6;border-radius:30px;background:transparent;color:var(--ink);font-size:13px}.filters button:hover{background:var(--soft)}.filters button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:700}#result-count{font-size:12px;color:var(--muted);margin:14px 0 0}.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px 28px}.post-card{min-width:0}.art{display:block;aspect-ratio:1.65;position:relative;overflow:hidden;border-radius:7px;background:#e4e8db;color:var(--ink);margin-bottom:18px}.art img{width:100%;height:100%;object-fit:cover;display:block}.art-photo:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,#102b25bd)}.art-label{position:absolute;top:14px;left:16px;font-size:10px;letter-spacing:.1em;background:var(--paper);padding:4px 8px;border-radius:2px;z-index:1}.art-bottom{position:absolute;bottom:15px;left:18px;right:18px;display:flex;justify-content:space-between;font-size:13px;font-weight:600;z-index:1}.art-photo .art-bottom{color:white}.art-symbol{font-family:Georgia,serif;position:absolute;inset:-30px 0 0;text-align:center;font-size:160px;line-height:1.4;opacity:.5}.art-customer{background:#e8ddc8}.art-content{background:#dce6e1}.art-branding{background:#e9d5ca}.art-learning{background:#e8e2cf}.post-meta{display:flex;justify-content:space-between;font-size:11px;color:var(--orange);margin-bottom:9px;font-weight:600}.post-meta span{color:var(--muted);font-weight:400}.post-card h3{font-size:21px;margin-bottom:12px}.post-card p{font-size:14px;color:var(--muted);margin-bottom:16px}.sample{font-size:11px;color:var(--muted);border-top:1px solid var(--line);display:block;padding-top:12px}.empty{padding:32px;text-align:center;background:white;border-radius:8px}.about-band{background:var(--soft);padding:55px 0}.about-grid{display:grid;grid-template-columns:220px 1fr 1fr;gap:44px;align-items:center}.about-grid>img{width:220px;height:250px;object-fit:cover;border-radius:6px;object-position:center 30%}.about-grid h2{margin-bottom:15px}.about-grid p{font-size:14px;color:var(--muted)}.about-grid .eyebrow{color:var(--orange);font-size:11px}.text-link{font-size:14px;font-weight:650;display:inline-block;padding:10px 0;text-decoration:underline;text-underline-offset:5px}.ocp{border-left:1px solid #b7c2b5;padding-left:35px}.ocp h3{font-size:24px}.course{padding:64px 0}.course-inner{background:var(--ink);color:var(--paper);border-radius:9px;padding:42px;display:flex;align-items:center;justify-content:space-between;gap:40px}.course .eyebrow{color:#e7bba5}.course h2{margin-bottom:14px;max-width:600px}.course p{max-width:590px;font-size:15px;color:#dce4da;margin-bottom:0}.course .button{background:var(--paper);color:var(--ink);white-space:nowrap;border:0}.course .button:hover{background:#e9d5ca}footer{border-top:1px solid var(--line);padding:30px 0}.footer-top,.footer-bottom{display:flex;justify-content:space-between;gap:24px;align-items:center}.footer-top p{font-size:13px;margin:9px 0 0;color:var(--muted)}.footer-links{display:flex;gap:24px;font-size:13px}.footer-links a{padding:12px 0}.footer-bottom{border-top:1px solid var(--line);margin-top:25px;padding-top:18px;font-size:11px;color:var(--muted)}
@media(max-width:950px){nav{gap:15px}.hero{gap:30px}h1{font-size:47px}.about-grid{grid-template-columns:180px 1fr;gap:28px}.about-grid>img{width:180px}.ocp{grid-column:1/-1;border-left:0;border-top:1px solid #b7c2b5;padding:25px 0 0}.post-grid{grid-template-columns:repeat(2,1fr)}.section-heading{align-items:start}.section-heading>p{max-width:240px}.brand-name{font-size:23px}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.header-inner{min-height:83px;flex-wrap:wrap;gap:0;padding:14px 0}.brand-name{font-size:25px}.brand-icon{width:36px;height:36px}.brand small{font-size:11px}.menu-toggle{display:block}nav{width:100%;flex-direction:column;align-items:stretch;gap:4px;padding-top:14px}nav.menu-collapsed{display:none}.hero{grid-template-columns:1fr;padding:36px 0;gap:30px}h1{font-size:43px;letter-spacing:-1.8px}.hero-copy>p:not(.eyebrow){font-size:16px}.hero .eyebrow{font-size:10px}.author{margin-top:22px}.feature-photo img{height:260px}.feature-body{padding:22px}.feature h2{font-size:25px}.topic-line{flex-wrap:wrap;justify-content:start;gap:10px 20px;font-size:10px}.blog-section{padding:38px 0}.section-heading{display:block}.section-heading h2{font-size:28px}.section-heading>p{max-width:none;margin-top:15px}.post-grid{gap:28px 20px}.post-card h3{font-size:20px}.about-grid{grid-template-columns:1fr}.about-grid>img{width:100%;height:300px}.about-band{padding:35px 0}.course{padding:36px 0}.course-inner{padding:28px;display:block}.course h2{font-size:28px}.course .button{margin-top:24px}.footer-top,.footer-bottom{align-items:start;flex-direction:column;gap:15px}.footer-links{flex-wrap:wrap;gap:10px 22px}}
@media(max-width:480px){.post-grid{grid-template-columns:1fr}.art{aspect-ratio:1.75}.filters{gap:8px}.filters button{font-size:12px;padding:8px 12px}}

/* Shared layouts: home, OCP, biography, course and long-form articles. */
nav a:last-child{border:1px solid var(--ink);border-radius:5px;padding:11px 18px}figure{margin:0}img{max-width:100%}.section{padding-top:64px;padding-bottom:64px}.lead{font-size:18px;line-height:1.8;color:var(--muted);max-width:720px}.actions{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-top:26px}.personal-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:72px;align-items:center;padding-top:60px;padding-bottom:60px}.hero-portrait{position:relative;overflow:hidden;border-radius:10px;background:var(--soft)}.hero-portrait>img{display:block;width:100%;height:540px;object-fit:cover;object-position:center 30%}.hero-portrait figcaption{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,#12392cf2);color:white;padding:60px 28px 25px;display:flex;justify-content:space-between;font-size:12px;font-weight:600;letter-spacing:.08em}.hero-portrait small{display:block;font-size:12px;font-weight:400;letter-spacing:0;margin-top:5px}.signature-arrow{font-size:34px}.hero-note{font-size:13px;color:var(--muted);border-left:2px solid var(--orange);padding-left:16px;margin-top:30px}.topic-strip{border-block:1px solid var(--line)}.topic-strip>.wrap{display:flex;justify-content:space-between;gap:20px;padding-block:20px;font-size:12px;font-weight:600;flex-wrap:wrap}.ocp-banner{display:grid;grid-template-columns:1fr 1.4fr;gap:60px;align-items:center;background:var(--soft);padding:48px;border-radius:8px}.ocp-banner:hover{color:var(--ink);background:#dfe6d7}.ocp-big{font-size:100px;line-height:1;font-weight:650;letter-spacing:-7px}.ocp-big>span{font-size:50px;margin-left:20px}.ocp-banner p{color:var(--muted);max-width:540px}.topics-section{background:var(--soft)}.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:32px}.pillar-grid article{border-top:1px solid #a8b7a8;padding-top:22px}.pillar-grid article>span{font-size:12px;color:var(--orange)}.pillar-grid h3{margin:18px 0 12px}.pillar-grid p{font-size:15px;color:var(--muted)}.about-teaser{display:grid;grid-template-columns:.85fr 1.2fr;gap:70px;align-items:center}.author-photo img{width:100%;max-height:420px;object-fit:cover;object-position:center 30%;border-radius:8px;display:block}.about-teaser p:not(.eyebrow){color:var(--muted)}.course-band{padding:44px;background:var(--ink);color:var(--paper);border-radius:9px;display:grid;grid-template-columns:1.7fr 1fr;gap:48px;align-items:center}.course-band .eyebrow{color:#e7bba5}.course-band p{color:#dce4da}.light-button{background:var(--paper);color:var(--ink)}.course-band-side{border-left:1px solid #6b887a;padding-left:40px}.course-band-side>span{font-size:48px;line-height:1.2;font-weight:650}.course-band-side small{font-size:13px;color:#dce4da}.page-intro{padding-top:60px;padding-bottom:44px;border-bottom:1px solid var(--line)}.page-intro h1{max-width:950px}.page-intro .lead{margin-bottom:0}.content-grid{display:grid;grid-template-columns:300px minmax(0,1fr);gap:80px}.ocp-plaque{background:var(--ink);color:var(--paper);padding:45px 25px;font-size:72px;font-weight:650;letter-spacing:-3px;border-radius:8px}.ocp-plaque span{display:block;font-size:11px;letter-spacing:.13em;margin-top:12px}.aside-note{font-size:13px;color:var(--muted);margin-top:16px}.prose{max-width:750px;font-size:17px;line-height:1.9;overflow-wrap:break-word}.prose h2{font-size:29px;margin-top:40px;margin-bottom:18px}.prose h2:first-child{margin-top:0}.prose h3{margin-top:24px}.prose p{margin-bottom:22px}.prose a{color:var(--orange);text-decoration:underline;text-underline-offset:4px}.prose li{margin-bottom:12px}.prose ul,.prose ol{padding-left:24px}blockquote{margin:30px 0;background:var(--soft);border-left:3px solid var(--orange);padding:24px 28px;font-family:Georgia,serif;font-size:24px;line-height:1.6}.number-list h3{margin-bottom:8px}.author-aside>.eyebrow{margin-top:24px}.author-aside>p:not(.eyebrow){font-size:14px;color:var(--muted)}.story-photo img{width:100%;max-height:600px;object-fit:cover;border-radius:8px}.story-photo figcaption,.course-image figcaption,.article-cover figcaption{font-size:12px;color:var(--muted);margin-top:9px}.story-photo{margin:25px 0}.course-overview{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}.course-image img{display:block;width:100%;height:auto;border-radius:8px}.course-offer{padding:28px;border:1px solid var(--line);border-radius:8px;background:white}.course-offer ul{padding-left:20px;font-size:14px;color:var(--muted)}.curriculum details,.faq details{border-bottom:1px solid var(--line)}summary{cursor:pointer;min-height:56px;padding:20px 0;font-weight:600}summary:hover{color:var(--orange)}.curriculum summary{display:flex;align-items:center;gap:20px}.curriculum summary:after{content:'+';font-size:23px}.curriculum details[open] summary:after{content:'−'}.module-letter{width:40px;height:40px;display:grid;place-items:center;background:var(--soft);border-radius:50%;flex-shrink:0;font-size:13px}.curriculum summary small{margin-left:auto;white-space:nowrap;font-weight:400;color:var(--muted)}details>p{max-width:780px;padding:0 20px 18px;color:var(--muted)}.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:44px;background:var(--soft);border-radius:8px}.contact-actions{display:flex;flex-direction:column;align-items:start;justify-content:center;overflow-wrap:anywhere}.contact-actions p{font-size:13px;color:var(--muted);margin-top:15px}.article{max-width:820px;padding-block:45px 65px}.article>.text-link{margin-bottom:24px}.article>h1{font-size:clamp(36px,4vw,52px);letter-spacing:-1.5px;line-height:1.2}.article>.eyebrow{margin-bottom:16px}.byline{display:flex;gap:12px;align-items:center;margin:26px 0 32px;font-size:14px}.byline img{width:44px;height:44px;object-fit:cover;border-radius:50%}.byline span{display:block;color:var(--muted);font-size:12px}.article-cover{margin-bottom:40px}.article-cover img{width:100%;height:auto;max-height:520px;object-fit:cover;object-position:center 30%;border-radius:8px}.article .prose{max-width:none}.article-end{border-top:1px solid var(--line);margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:11px}.closing{padding-block:35px 80px}
@media(max-width:950px){.personal-hero{gap:35px;grid-template-columns:1fr 1fr}.hero-portrait>img{height:470px}.content-grid{grid-template-columns:230px minmax(0,1fr);gap:38px}.course-overview{gap:25px}.ocp-banner{gap:30px;padding:32px}.ocp-big{font-size:70px}.ocp-big>span{font-size:35px}.about-teaser{gap:35px}.course-band{gap:25px;padding:32px}.contact-panel{gap:28px;padding:30px}}
@media(max-width:760px){.section{padding-block:38px}.personal-hero{grid-template-columns:1fr;padding-block:36px;gap:28px}.hero-portrait>img{height:420px}.lead{font-size:16px}.topic-strip>.wrap{font-size:11px;gap:10px 20px}.pillar-grid{grid-template-columns:1fr;gap:22px}.ocp-banner{grid-template-columns:1fr;gap:28px;padding:28px}.ocp-big{font-size:76px}.about-teaser,.content-grid,.course-overview,.contact-panel{grid-template-columns:1fr;gap:30px}.author-aside{max-width:400px}.about-teaser .author-photo img{max-height:380px}.course-band{grid-template-columns:1fr;padding:28px;gap:26px}.course-band-side{border-left:0;border-top:1px solid #6b887a;padding:22px 0 0}.course-band-side>span{font-size:35px}.page-intro{padding-block:36px}.page-intro h1{font-size:40px}.prose{font-size:16px}.prose h2{font-size:27px}.course-offer{padding:24px}.curriculum summary{gap:12px;font-size:14px}.curriculum summary small{font-size:11px}.contact-panel{padding:25px}.article{padding-top:28px}.article>h1{font-size:36px;letter-spacing:-1px}.article-end{flex-direction:column;align-items:start}.article-cover img{max-height:400px}blockquote{font-size:22px;padding:20px}.footer-links{overflow-wrap:anywhere}}

/* Approved business-growth logo: D and ascending columns. */
.brand-symbol{display:block;width:46px;height:47px;object-fit:contain;flex-shrink:0}.brand{gap:12px}.brand small{letter-spacing:.18em}.footer-top .brand{width:fit-content}@media(max-width:760px){.brand-symbol{width:40px;height:41px}}

/* Keep the subject of portrait stock photos inside landscape blog covers. */
.article-cover img[src*="minh-hoa-"]{aspect-ratio:16/10;object-position:center 55%}.art img[src*="minh-hoa-noi-dung"],.article-cover img[src*="minh-hoa-noi-dung"]{object-position:center 80%}