:root{--navy:#071f2d;--navy2:#0d3445;--green:#10a685;--green2:#0a816d;--gold:#ffc75a;--cream:#f6f3eb;--paper:#fff;--ink:#16313e;--muted:#61717a;--line:#dce4e5;--shadow:0 18px 50px rgba(7,31,45,.12);--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Manrope,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%}.container{width:min(1180px,calc(100% - 40px));margin:auto}.narrow{max-width:780px}.center{text-align:center}.promo-bar{background:var(--gold);color:#382b05;text-align:center;padding:8px 15px;font-size:13px}.site-header{background:rgba(255,255,255,.96);position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(220,228,229,.8);backdrop-filter:blur(12px)}.nav-wrap{height:82px;display:flex;align-items:center;gap:32px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand-mark{width:46px;height:46px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(145deg,var(--gold),#f1a921);color:var(--navy);font-weight:900;font-size:18px;box-shadow:0 8px 18px rgba(241,169,33,.25)}.brand b{display:block;font-family:'Playfair Display',serif;font-size:24px;line-height:1}.brand small{display:block;text-transform:uppercase;letter-spacing:1.5px;font-size:9px;font-weight:800;color:var(--green2);margin-top:5px}.main-nav{display:flex;align-items:center;gap:25px;margin-left:auto}.main-nav>a,.nav-dropdown>a{font-size:14px;font-weight:700}.main-nav a:hover{color:var(--green)}.nav-dropdown{position:relative}.nav-dropdown>a i{font-size:9px;margin-left:4px}.dropdown-menu{position:absolute;top:35px;left:-20px;background:#fff;width:260px;padding:10px;border-radius:14px;box-shadow:var(--shadow);border:1px solid var(--line);opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s}.dropdown-menu a{display:block;padding:9px 12px;border-radius:8px;font-size:13px}.dropdown-menu a:hover{background:#eef9f6}.nav-dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:none}.nav-toggle{display:none;border:0;background:none;font-size:22px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:0;border-radius:12px;padding:12px 20px;font-weight:800;font-size:14px;cursor:pointer;transition:.2s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 22px rgba(16,166,133,.22)}.btn-primary:hover{background:var(--green2)}.btn-light{background:#fff;color:var(--navy)}.btn-gold{background:var(--gold);color:var(--navy)}.btn-outline{border:1px solid var(--line);background:#fff}.btn-lg{padding:15px 25px;font-size:15px}.btn-block{width:100%}.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#062331 0%,#0a3c46 58%,#096d60 100%);color:#fff;padding:86px 0 78px}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:42px 42px}.hero-orb{position:absolute;border-radius:50%;filter:blur(4px)}.orb-one{width:300px;height:300px;background:rgba(255,199,90,.08);right:5%;top:-100px}.orb-two{width:240px;height:240px;background:rgba(16,166,133,.2);left:-100px;bottom:-90px}.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}.eyebrow{display:inline-block;color:var(--green2);font-size:12px;font-weight:900;letter-spacing:2px;margin-bottom:13px}.eyebrow.light,.hero .eyebrow{color:#8ff1dc}.hero h1,.page-hero h1{font-family:'Playfair Display',serif;font-size:58px;line-height:1.08;margin:0 0 20px;letter-spacing:-1.5px}.hero h1 em{color:var(--gold);font-style:normal}.hero-copy>p{font-size:18px;color:#d6e4e7;max-width:650px}.hero-actions{display:flex;gap:12px;margin:30px 0}.trust-row{display:flex;gap:20px;flex-wrap:wrap;color:#c8dcdf;font-size:13px}.trust-row i{color:var(--gold);margin-right:5px}.quote-card{background:#fff;color:var(--ink);border-radius:var(--radius);box-shadow:0 28px 70px rgba(0,0,0,.25);overflow:hidden}.quote-card-head{background:var(--cream);padding:19px 24px;display:flex;justify-content:space-between;align-items:center}.quote-card-head span{font-weight:900}.quote-card-head small{color:var(--green2)}.mini-form,.main-form{padding:25px}.mini-form label,.main-form label{display:block;font-weight:700;font-size:13px;margin-bottom:15px}.mini-form input,.mini-form select,.main-form input,.main-form select,.main-form textarea{width:100%;margin-top:6px;border:1px solid var(--line);border-radius:10px;padding:12px 13px;font:inherit;color:var(--ink);background:#fff;outline:none}.mini-form input:focus,.mini-form select:focus,.main-form input:focus,.main-form select:focus,.main-form textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(16,166,133,.1)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-note{text-align:center;font-size:11px;color:var(--muted);margin:10px 0 0}.logo-strip{border-bottom:1px solid var(--line);padding:24px 0;text-align:center}.logo-strip p{font-size:12px;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted)}.university-list{display:flex;justify-content:space-around;gap:25px;flex-wrap:wrap;color:#73828a;font-weight:900;letter-spacing:1px}.section{padding:88px 0}.section-heading{max-width:700px;margin:0 auto 42px}.section-heading h2,.process-grid h2,.cta-inner h2{font-family:'Playfair Display',serif;color:var(--navy);font-size:40px;line-height:1.2;margin:0 0 14px}.section-heading p,.process-grid>div>p{color:var(--muted)}.section-heading.split{max-width:none;display:flex;justify-content:space-between;align-items:end}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.service-card{padding:29px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:.25s}.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#b9ddd5}.service-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:15px;background:#e9f8f4;color:var(--green2);font-size:22px}.service-icon.large{margin:0 auto 18px;width:68px;height:68px;font-size:28px}.service-card h3{margin:18px 0 8px;color:var(--navy)}.service-card p{color:var(--muted);font-size:14px}.text-link{color:var(--green2);font-weight:800;font-size:13px}.process-section{background:var(--cream)}.process-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:85px;align-items:center}.steps{display:grid;gap:14px}.step{display:flex;gap:20px;background:#fff;padding:20px;border-radius:16px;border:1px solid #e6e1d5}.step>b{display:grid;place-items:center;min-width:48px;height:48px;border-radius:14px;background:var(--navy);color:var(--gold)}.step h3{margin:0}.step p{margin:4px 0 0;color:var(--muted);font-size:14px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.feature-grid>div{padding:26px;border-radius:17px;background:#f7faf9}.feature-grid i{font-size:24px;color:var(--green)}.feature-grid h3{font-size:16px}.feature-grid p{font-size:13px;color:var(--muted)}.reviews-section{background:var(--navy);color:#fff}.reviews-section .section-heading h2{color:#fff}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.review-grid article{padding:27px;border-radius:18px;background:#fff;color:var(--ink);box-shadow:var(--shadow)}.review-grid p{color:var(--muted)}.review-grid b{font-size:13px}.stars{color:#f2aa25;letter-spacing:2px}.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.post-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.post-image{height:180px;background:linear-gradient(135deg,#0a3d48,#14a887);display:grid;place-items:center;color:rgba(255,255,255,.75);font-family:'Playfair Display',serif;font-size:54px}.post-body{padding:23px}.post-body small{color:var(--green2);font-weight:700}.post-body h3{line-height:1.35}.post-body p{font-size:14px;color:var(--muted)}.cta-section{background:linear-gradient(120deg,var(--green2),#064c4e);padding:65px 0;color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-inner h2{color:#fff;margin-bottom:5px}.cta-inner p{margin:0;color:#d3e7e4}.site-footer{background:#041923;color:#b7c6ca;padding:62px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:50px}.footer-grid h4{color:#fff;margin-top:0}.footer-grid a{display:block;margin:8px 0;font-size:13px}.footer-grid p{font-size:13px}.footer-brand{color:#fff;margin-bottom:18px}.flags{font-size:24px}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;font-size:11px}.contact-rail{position:fixed;right:18px;bottom:25px;display:grid;gap:9px;z-index:45}.contact-rail a{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:21px;box-shadow:0 8px 25px rgba(0,0,0,.22)}.whatsapp{background:#25d366}.messenger{background:#168aff}.email{background:var(--gold)!important;color:var(--navy)!important}.page-hero{padding:80px 0;text-align:center;background:linear-gradient(135deg,#e9f8f4,#fbf8f0)}.page-hero.compact{padding:58px 0}.page-hero h1{font-size:46px;color:var(--navy)}.page-hero p{font-size:17px;color:var(--muted);max-width:720px;margin:0 auto 25px}.content-grid{display:grid;grid-template-columns:1fr 330px;gap:60px}.prose h2{font-family:'Playfair Display',serif;color:var(--navy);font-size:30px}.prose p,.prose li{color:var(--muted)}.side-card{height:max-content;padding:25px;border:1px solid var(--line);border-radius:18px;position:sticky;top:115px}.side-card .btn{margin-top:10px}.form-layout{display:grid;grid-template-columns:1fr 340px;gap:45px;align-items:start}.main-form{border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.checkbox{display:flex!important;align-items:flex-start;gap:10px}.checkbox input{width:auto!important;margin-top:4px!important}.form-aside{background:var(--cream);padding:28px;border-radius:18px}.form-aside li{margin-bottom:12px}.notice{display:flex;gap:12px;background:#fff;padding:16px;border-radius:12px;margin-top:25px}.notice i{color:var(--green);margin-top:5px}.notice p{margin:0;font-size:13px}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.contact-card{padding:35px;text-align:center;border:1px solid var(--line);border-radius:18px}.contact-card i{font-size:34px;color:var(--green)}.contact-card a{color:var(--green2);font-weight:800}.sample-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.sample-card{border:1px solid var(--line);padding:20px;border-radius:18px}.sample-preview{height:170px;background:#edf4f3;border-radius:12px;display:grid;place-items:center;font-size:48px;color:var(--green2)}.sample-card p{font-size:14px;color:var(--muted)}.success-page{min-height:60vh;display:grid;place-items:center}.success-icon{margin:auto;width:78px;height:78px;border-radius:50%;display:grid;place-items:center;background:#e8f8f3;color:var(--green);font-size:32px}.success-page h1{font-family:'Playfair Display',serif;color:var(--navy);font-size:42px}
@media(max-width:980px){.nav-cta{display:none}.nav-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:82px;left:20px;right:20px;background:#fff;padding:18px;border-radius:16px;box-shadow:var(--shadow);align-items:stretch;flex-direction:column}.main-nav.open{display:flex}.dropdown-menu{display:none}.hero-grid,.process-grid,.form-layout,.content-grid{grid-template-columns:1fr}.hero-copy{text-align:center}.hero-copy>p{margin-left:auto;margin-right:auto}.hero-actions,.trust-row{justify-content:center}.hero h1{font-size:48px}.service-grid,.review-grid,.post-grid,.sample-grid{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.side-card{position:static}.form-aside{order:-1}}
@media(max-width:650px){.container{width:min(100% - 26px,1180px)}.hero{padding:60px 0}.hero h1,.page-hero h1{font-size:38px}.hero-copy>p{font-size:16px}.hero-actions{flex-direction:column}.two-col,.service-grid,.review-grid,.post-grid,.feature-grid,.sample-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}.section{padding:62px 0}.section-heading h2,.process-grid h2,.cta-inner h2{font-size:32px}.section-heading.split,.cta-inner,.footer-bottom{display:block}.cta-inner .btn{margin-top:20px}.quote-card-head{display:block}.contact-rail{right:10px}.contact-rail a{width:43px;height:43px}.university-list{font-size:12px}.footer-bottom span{display:block;margin-bottom:8px}}
.contact-rail .youtube{background:#ff0000!important;color:#fff!important}

/* Added logo, contact, payment, university and article-upload components */
.website-logo{display:block;max-width:210px;height:58px;object-fit:contain}.footer-logo{filter:none;max-width:190px}.brand-fallback{display:none;align-items:center;gap:10px}.contact-hero-card{background:#fff;color:var(--ink);border-radius:var(--radius);box-shadow:0 28px 70px rgba(0,0,0,.25);padding:32px}.contact-hero-card h2{font-family:'Playfair Display',serif;color:var(--navy);font-size:31px;line-height:1.2;margin:5px 0 12px}.contact-hero-card>p{color:var(--muted);font-size:14px}.contact-action-list{display:grid;gap:11px;margin-top:22px}.contact-action{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:13px;background:#fff;transition:.2s}.contact-action:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(2,36,47,.1)}.contact-action i,.zalo-letter{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:21px}.whatsapp-action i{background:#25d366}.zalo-action .zalo-letter{background:#0068ff}.facebook-action i{background:#168aff}.contact-action span{display:grid}.contact-action small{color:var(--muted)}.university-logo-list,.payment-logo-list{display:flex;align-items:center;justify-content:center;gap:34px;flex-wrap:wrap}.university-logo-list img{width:125px;height:56px;object-fit:contain;filter:grayscale(1);opacity:.75}.payment-strip{padding:22px 0;background:#fbf8f0;border-bottom:1px solid var(--line);text-align:center}.payment-strip p{font-size:12px;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);font-weight:800}.payment-logo-list>div{display:flex;align-items:center;gap:8px;font-weight:800;color:#54636a}.payment-logo-list img{width:42px;height:30px;object-fit:contain}.payment-logo-list img:not([src]),.payment-logo-list img[src=""]{display:none}.post-real-image{width:100%;height:210px;object-fit:cover}.empty-state{text-align:center;padding:70px 20px;border:1px dashed var(--line);border-radius:20px}.empty-state i{font-size:45px;color:var(--green)}.article-container{max-width:850px}.article-hero-image{width:100%;max-height:500px;object-fit:cover;border-radius:20px;margin-bottom:35px}.article-content{font-size:17px;line-height:1.9;color:#42535b;white-space:normal}.article-contact{margin-top:45px;padding:28px;background:var(--cream);border-radius:18px}.narrow-container{max-width:780px}@media(max-width:650px){.website-logo{max-width:165px;height:48px}.contact-hero-card{padding:23px}.contact-hero-card h2{font-size:26px}.university-logo-list{gap:18px}.university-logo-list img{width:90px;height:42px}.payment-logo-list{gap:18px}.payment-logo-list>div{font-size:12px}}

/* 2026 blue and gold brand theme */
:root{--navy:#075a9d;--navy2:#083e73;--green:#1d9fd0;--green2:#087db8;--gold:#f7bd18;--cream:#eef8fd;--ink:#123b59;--muted:#577488;--line:#cfe5f0;--shadow:0 18px 50px rgba(2,83,141,.14)}
body{background:#fff}.promo-bar{background:linear-gradient(90deg,#f3aa00,#ffd94a);color:#4b3500}.site-header{border-bottom-color:rgba(10,126,184,.18)}.brand .website-logo{width:184px;max-width:184px;height:66px;border-radius:10px;object-fit:cover;object-position:center 54%;box-shadow:0 6px 20px rgba(4,97,164,.14)}
.btn-primary{background:linear-gradient(135deg,#078dc6,#146bb8);box-shadow:0 10px 25px rgba(7,111,183,.24)}.btn-primary:hover{background:linear-gradient(135deg,#087cb4,#0c589d)}
.hero{background:radial-gradient(circle at 15% 15%,#44d0d5 0,transparent 36%),linear-gradient(135deg,#42c9d2 0%,#2192cf 58%,#1467bd 100%)}.hero:before{opacity:.4}.hero h1,.hero-copy>p{color:#fff}.hero-copy em{color:#ffe170}.contact-hero-card{border:1px solid rgba(255,255,255,.55)}
.reviews-section,.site-footer{background:linear-gradient(145deg,#07385f,#075b99 62%,#087db8)}.cta-section{background:linear-gradient(120deg,#0a9bc4,#126bb7)}.page-hero{background:linear-gradient(135deg,#ddf8fb,#e4f2ff 60%,#fff7d8)}
.eyebrow{color:#087eb9}.hero .eyebrow,.reviews-section .eyebrow,.cta-section .eyebrow{color:#ffe36a}.payment-strip{background:#f3faff}.logo-strip{background:#fff}

/* Hidden admin content manager */
.admin-shell{min-height:70vh;padding:70px 0;background:linear-gradient(135deg,#e5fafd,#e8f3ff 65%,#fff8d9)}.admin-access-shell{display:grid;place-items:center}.admin-access-card{width:min(440px,calc(100% - 30px));padding:34px;background:#fff;border-radius:24px;box-shadow:0 25px 70px rgba(4,80,139,.2);text-align:center}.admin-access-card img{width:190px;height:120px;object-fit:cover;object-position:center 52%;border-radius:16px;margin-bottom:14px}.admin-access-card h1,.admin-topbar h1{font-family:'Playfair Display',serif;color:var(--navy2);margin:4px 0 8px}.admin-access-card label,.admin-form label{display:grid;gap:7px;text-align:left;font-size:13px;font-weight:800;color:var(--ink)}.admin-access-card input,.admin-form input,.admin-form textarea,.admin-image-upload input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}.admin-access-card form{display:grid;gap:16px;margin-top:22px}.admin-error{padding:10px;border-radius:10px;background:#fff0f0;color:#a12626;font-size:13px}.admin-container{max-width:1250px}.admin-topbar,.admin-section-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}.admin-grid{display:grid;grid-template-columns:minmax(360px,.85fr) minmax(500px,1.15fr);gap:24px;margin-bottom:24px}.admin-panel{background:#fff;padding:28px;border-radius:20px;box-shadow:0 14px 40px rgba(3,82,142,.11)}.admin-panel h2{margin-top:0;color:var(--navy2)}.admin-form{display:grid;gap:16px}.admin-check{display:flex!important;align-items:center;gap:9px}.admin-check input{width:auto!important}.admin-article-list{display:grid;gap:13px}.admin-article-list article{display:grid;grid-template-columns:74px 1fr auto;align-items:center;gap:14px;padding:13px;border:1px solid var(--line);border-radius:14px}.admin-article-list article>img{width:74px;height:65px;object-fit:cover;border-radius:9px}.admin-article-list h3{font-size:15px;margin:2px 0}.admin-article-list p,.admin-article-list small{font-size:11px;color:var(--muted);margin:0}.admin-row-actions{display:flex;gap:7px}.admin-row-actions .btn{padding:8px 11px;font-size:12px}.admin-danger{background:#ffe9e9;color:#a22929}.admin-image-upload{display:flex;gap:10px;align-items:center}.admin-image-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}.admin-image-grid article{border:1px solid var(--line);border-radius:12px;padding:9px;overflow:hidden}.admin-image-grid img{width:100%;height:120px;object-fit:cover;border-radius:8px}.admin-image-grid code{display:block;font-size:9px;overflow-wrap:anywhere;margin:8px 0}.admin-text-danger{border:0;background:none;color:#a22929;padding:0;cursor:pointer}.current-featured img{width:230px;max-height:160px;object-fit:cover;border-radius:12px;margin-bottom:8px}
@media(max-width:900px){.admin-grid{grid-template-columns:1fr}.admin-image-grid{grid-template-columns:repeat(3,1fr)}.admin-article-list article{grid-template-columns:60px 1fr}.admin-row-actions{grid-column:1/-1}.admin-section-head,.admin-image-upload{align-items:stretch;flex-direction:column}}@media(max-width:560px){.brand .website-logo{width:145px;height:53px}.admin-image-grid{grid-template-columns:repeat(2,1fr)}.admin-panel{padding:19px}}

/* Logo and samples manager patch */
.brand { display: flex; align-items: center; flex: 0 0 auto; }
.website-logo { display: block; width: auto; height: 68px; max-width: 230px; object-fit: contain; border-radius: 8px; }
.sample-cover { display: block; overflow: hidden; border-radius: 16px; margin-bottom: 18px; }
.sample-cover img { display: block; width: 100%; height: 220px; object-fit: cover; transition: transform .25s ease; }
.sample-cover:hover img { transform: scale(1.03); }
.real-sample-card small { color: var(--gold, #dca900); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.real-sample-card h3 a { color: inherit; text-decoration: none; }
.sample-detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 42px; align-items: start; }
.sample-download-box { margin-top: 32px; padding: 22px; display: flex; justify-content: space-between; gap: 20px; align-items: center; border: 1px solid rgba(20, 126, 190, .18); border-radius: 18px; background: rgba(255,255,255,.86); }
.sample-download-box p { margin: 4px 0 0; }
.admin-current-file { padding: 14px; border-radius: 12px; background: rgba(20, 126, 190, .08); }
@media (max-width: 900px) {
  .website-logo { height: 54px; max-width: 180px; }
  .sample-detail-layout { grid-template-columns: 1fr; }
}