/* Vietnam Visa — design system. Light, fast, dependency-free. */

:root {
  --blue-900:#0f2a5e; --blue-800:#153a82; --blue-700:#1b4bab; --blue-600:#2563c9;
  --gold-500:#f6a609; --gold-600:#e08e00;
  --red-500:#da251d;
  --ink:#16202e; --body:#40506a; --muted:#6b7a92;
  --line:#e5e9f0; --bg:#ffffff; --bg-soft:#f5f8fd; --bg-alt:#0f2a5e;
  --ok:#178a5a;
  --radius:14px; --radius-sm:10px;
  --shadow:0 6px 24px rgba(16,42,94,.08); --shadow-lg:0 18px 50px rgba(16,42,94,.16);
  --wrap:1140px; --font:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
::selection{background:var(--gold-500);color:#241a00}
:focus-visible{outline:3px solid rgba(37,99,201,.45);outline-offset:2px}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--body);background:var(--bg);line-height:1.6;font-size:17px}
h1,h2,h3{color:var(--ink);line-height:1.2;margin:0 0 .5em;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,5vw,3rem)}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem)}
h3{font-size:1.2rem}
p{margin:0 0 1rem}
a{color:var(--blue-700);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.center{text-align:center}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:16px;top:16px;background:#fff;padding:10px 14px;border-radius:8px;z-index:100}

/* Buttons */
.btn{display:inline-block;font-weight:700;padding:.7em 1.3em;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .18s,background .18s,box-shadow .18s;text-align:center}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 6px 18px rgba(16,42,94,.18)}
.btn:active{transform:translateY(0) scale(.98);box-shadow:none}
.btn-lg{padding:.85em 1.7em;font-size:1.05rem}
.btn-primary{background:var(--gold-500);color:#241a00;border-color:var(--gold-500)}
.btn-primary:hover{background:var(--gold-600);border-color:var(--gold-600)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-invert{background:#fff;color:var(--blue-800)}
.page-head .btn-ghost,.section .btn-ghost{color:var(--blue-700);border-color:var(--line)}

/* Header + nav */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);box-shadow:0 4px 16px rgba(16,42,94,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-mark{display:grid;place-items:center;width:30px;height:30px;background:var(--red-500);color:#fff;border-radius:8px;font-size:16px}
.brand-name{font-size:1.15rem;letter-spacing:-.02em}
.primary-nav ul{list-style:none;display:flex;align-items:center;gap:22px;margin:0;padding:0}
.primary-nav a{color:var(--ink);font-weight:600;font-size:.97rem}
.primary-nav a[aria-current=page]{color:var(--blue-700)}
.nav-cta .btn{padding:.55em 1.2em}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{width:26px;height:3px;background:var(--ink);border-radius:3px;transition:.2s}

/* Hero */
.hero{position:relative;background:linear-gradient(160deg,var(--blue-900),var(--blue-700));color:#eaf1ff;overflow:hidden}
.hero::before{content:"";position:absolute;top:-30%;right:-8%;width:55%;height:160%;background:radial-gradient(closest-side,rgba(246,166,9,.16),transparent);pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:76px 20px}
.hero h1{color:#fff}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;font-weight:700;color:var(--gold-500);margin:0 0 12px}
.lead{font-size:1.18rem;color:var(--body)}
.hero .lead{color:#d6e2ff}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 20px}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:20px;padding:0;margin:0;font-weight:600;color:#eaf1ff}
.hero-card{display:grid;place-items:center}
.passport-card{width:100%;max-width:360px;background:linear-gradient(180deg,#fff,#f2f6ff);color:var(--ink);border-radius:18px;box-shadow:var(--shadow-lg);padding:22px}
.pc-top{display:flex;justify-content:space-between;align-items:center;font-size:.62rem;font-weight:700;letter-spacing:.06em;color:var(--blue-800)}
.pc-flag{color:var(--red-500);font-size:1rem}
.pc-title{font-weight:800;color:var(--red-500);margin:14px 0 16px;letter-spacing:.04em}
.pc-rows{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pc-rows small{display:block;color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.05em}
.pc-rows b{font-size:.95rem}
.pc-rows .ok{color:var(--ok)}

/* Trust bar */
.trust-bar{background:var(--bg-soft);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:26px 20px;text-align:center}
.trust-grid b{display:block;font-size:1.7rem;color:var(--blue-800);font-weight:800}
.trust-grid span{color:var(--muted);font-size:.92rem}

/* Sections */
.section{padding:66px 0}
.section-alt{background:var(--bg-soft)}
.section-head{max-width:680px;margin:0 auto 38px;text-align:center}
.section-head p{color:var(--muted);font-size:1.08rem;margin:0}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.visa-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:.18s}
.visa-card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#cfe}
.visa-card h3{margin-bottom:.4em}
.visa-card p{color:var(--muted);font-size:.95rem}
.card-link{font-weight:700;color:var(--blue-700)}

/* Steps */
.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:0;margin:0 0 34px}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.step-n{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--blue-700);color:#fff;font-weight:800;margin-bottom:14px}

/* Features */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.feature{padding:22px 24px;border-left:3px solid var(--gold-500);background:var(--bg-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.feature h3{margin-bottom:.3em}
.feature p{margin:0;color:var(--muted)}

/* CTA band */
.cta-band{background:linear-gradient(160deg,var(--blue-800),var(--blue-600));color:#fff;text-align:center}
.cta-inner{padding:60px 20px}
.cta-band h2{color:#fff}
.cta-band p{color:#d6e2ff;margin-bottom:22px}

/* Footer */
.site-footer{background:var(--blue-900);color:#c6d4f0;padding:54px 0 28px;font-size:.95rem}
.site-footer .brand-name{color:#fff}
.site-footer a{color:#c6d4f0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-about p{color:#9fb2d8;margin:12px 0 6px}
.footer-col h2{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.footer-legal{padding-top:22px;color:#8fa3cc;font-size:.85rem}
.footer-legal .disclaimer{max-width:900px}

/* Interior pages */
.page-head{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:44px 0}
.page-head .lead{color:var(--body)}
.breadcrumb{font-size:.88rem;color:var(--muted);margin-bottom:10px}
.breadcrumb span{margin:0 6px}
.content-cols{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.prose h2{margin-top:1.4em}
.prose ul{padding-left:1.2em}
.sidebar{display:grid;gap:20px;position:sticky;top:92px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.side-card h2{font-size:1.05rem}
.side-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}

/* Forms */
.form-wrap{max-width:820px}
.app-form fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin:0 0 22px}
.app-form legend{font-weight:800;color:var(--ink);padding:0 8px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.app-form label{display:block;font-weight:600;color:var(--ink);font-size:.92rem}
.app-form input,.app-form select{width:100%;margin-top:6px;padding:.65em .8em;border:1px solid var(--line);border-radius:var(--radius-sm);font:inherit;font-weight:400;color:var(--ink);background:#fff}
.app-form select,.quote-card select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2340506a' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .8em center;padding-right:2.4em}
.app-form input:focus,.app-form select:focus,.app-form textarea:focus,.quote-card select:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 3px rgba(37,99,201,.15)}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-weight:500;color:var(--body);margin:6px 0 20px}
.checkbox input{width:auto;margin-top:4px}
.form-submit{text-align:center}
.form-note{color:var(--muted);font-size:.88rem;margin-top:10px}

/* Alerts */
.alert{border-radius:var(--radius-sm);padding:14px 18px;margin-bottom:22px;font-size:.95rem}
.alert ul{margin:.4em 0 0;padding-left:1.2em}
.alert-success{background:#e7f7ef;border:1px solid #b7e5cd;color:#0d6b45}
.alert-error{background:#fdeceb;border:1px solid #f6c9c6;color:#a01912}
.alert-note{background:#fff7e6;border:1px solid #f3dca0;color:#7a5600}

/* Hero channels + chip */
.hero-channels{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px;font-size:.92rem;color:#c8d6f5}
.hero-channels a{color:#fff;font-weight:700;text-decoration:underline}
.chip{background:rgba(255,255,255,.14);border-radius:999px;padding:4px 12px;font-weight:600;font-size:.82rem}

/* Quote widget */
.quote-card{width:100%;max-width:400px;background:#fff;color:var(--ink);border-radius:18px;box-shadow:var(--shadow-lg);padding:26px}
.quote-card h2{font-size:1.25rem;margin-bottom:14px}
.quote-card label{display:block;font-weight:600;font-size:.88rem;margin-bottom:12px}
.quote-card select{width:100%;margin-top:5px;padding:.6em .7em;border:1px solid var(--line);border-radius:var(--radius-sm);font:inherit;background:#fff;color:var(--ink)}
.quote-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quote-total{border-top:1px solid var(--line);margin:6px 0 14px;padding-top:12px}
.quote-line{display:flex;justify-content:space-between;font-size:.92rem;color:var(--muted);padding:3px 0}
.quote-line b{color:var(--ink)}
.quote-line.total{font-size:1.05rem;font-weight:800;color:var(--ink)}
.btn-block{display:block;width:100%}
.reassure{text-align:center;font-size:.82rem;color:var(--muted);margin:10px 0 0}

/* Legitimacy section */
.legit{padding-top:46px;padding-bottom:0}
.legit-box{background:var(--bg-soft);border:1px solid var(--line);border-left:4px solid var(--gold-500);border-radius:var(--radius);padding:28px 32px}
.legit-box h2{font-size:1.3rem}
.legit-box p:last-child{margin:0}

/* How-it-works border note */
.border-note{max-width:760px;margin:0 auto 30px;text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-sm);padding:12px 18px;color:var(--body)}

/* Speed tiers */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:26px}
.tier{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center}
.tier-featured{border-color:var(--gold-500);box-shadow:var(--shadow-lg);position:relative}
.tier-featured::before{content:"MOST POPULAR";position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--gold-500);color:#241a00;font-size:.66rem;font-weight:800;letter-spacing:.09em;padding:4px 12px;border-radius:999px;white-space:nowrap}
.tier-time{font-weight:800;color:var(--blue-700);font-size:1.05rem}
.tier-price{font-weight:700;color:var(--ink);margin:0;border-top:1px solid var(--line);padding-top:12px}

/* FAQ */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:4px 20px}
.faq-item summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.4rem;font-weight:700;color:var(--blue-700);flex:none;transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary h2{font-size:1.02rem;margin:0}
.faq-item p{color:var(--body);padding-bottom:14px;margin:0}

/* Application form extras */
.field-hint{display:block;font-weight:400;color:var(--muted);font-size:.8rem;margin-top:4px;line-height:1.45}
.group-label{display:block;font-weight:700;color:var(--ink);font-size:.92rem;margin-bottom:6px}
.radio-group,.cond-block{margin:14px 0}
.radio{display:inline-flex;align-items:center;gap:8px;font-weight:500;margin:4px 18px 4px 0;color:var(--body)}
.radio input{width:auto;margin:0}
.cond-block [data-when]{margin-top:10px;padding:12px 14px;background:var(--bg-soft);border-radius:var(--radius-sm)}
.app-form textarea{width:100%;margin-top:6px;padding:.65em .8em;border:1px solid var(--line);border-radius:var(--radius-sm);font:inherit;color:var(--ink);background:#fff}
.sub-legend{margin-top:20px;font-size:1rem}

/* Content pages: art, tables, CTAs, page-head button */
.page-head-row{display:flex;justify-content:space-between;align-items:center;gap:24px}
.page-head-cta{flex:none}
.content-art{margin:26px 0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);line-height:0}
.content-art svg{display:block;width:100%;height:auto}
.content-cta{margin:30px 0;text-align:center}
.table-wrap{overflow-x:auto;margin:20px 0;border:1px solid var(--line);border-radius:var(--radius-sm)}
.prose table{width:100%;border-collapse:collapse;font-size:.94rem;min-width:460px}
.prose th{background:var(--bg-soft);color:var(--ink);text-align:left;font-weight:700}
.prose th,.prose td{padding:10px 14px;border-bottom:1px solid var(--line)}
.prose tr:last-child td{border-bottom:0}
.prose h2{font-size:1.5rem}
.prose h3{font-size:1.12rem;margin-top:1.3em}
.prose li{margin-bottom:.35em}

/* Payment pages */
.pay-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:start}
.pay-summary,.pay-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.pay-box h2,.pay-summary h2{font-size:1.15rem}
.pay-rows{display:grid;gap:10px;margin:0}
.pay-rows>div{display:flex;justify-content:space-between;gap:14px;border-bottom:1px dashed var(--line);padding-bottom:8px}
.pay-rows dt{color:var(--muted);font-size:.9rem}
.pay-rows dd{margin:0;font-weight:600;text-align:right}
.pay-edit{font-size:.88rem;margin:14px 0 0}

/* Last-updated + WhatsApp float */
.last-updated{color:var(--muted);font-size:.82rem;margin:6px 0 0}
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;box-shadow:var(--shadow-lg);transition:.15s}
.wa-float:hover{transform:scale(1.06);color:#fff}

/* Responsive */
@media (max-width:960px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .hero-inner{grid-template-columns:1fr;gap:30px;padding:44px 20px}
  .hero .lead{font-size:1.08rem}
  .hero-points{gap:12px 20px}
  .card-grid,.steps,.feature-grid,.tier-grid{grid-template-columns:1fr}
  .quote-card{max-width:none}
  .content-cols,.pay-grid{grid-template-columns:1fr}
  .page-head-row{flex-direction:column;align-items:flex-start}
  .sidebar{position:static}
  .nav-toggle{display:flex}
  .primary-nav{position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);display:none}
  .primary-nav.open{display:block}
  .primary-nav ul{flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 16px}
  .primary-nav li{padding:6px 0;border-bottom:1px solid var(--bg-soft)}
  .nav-cta{padding-top:12px!important;border:0!important}
}
@media (max-width:560px){
  body{font-size:16px}
  .section{padding:48px 0}
  .hero-inner{padding:36px 20px}
  .hero h1{font-size:1.75rem;line-height:1.15}
  .eyebrow{font-size:.72rem}
  .trust-grid{grid-template-columns:1fr 1fr;gap:16px 12px}
  .trust-grid b{font-size:1.45rem}
  .quote-card{padding:20px}
  .quote-row{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .legit-box{padding:22px 20px}
  .section-head p{font-size:1rem}
  .btn-lg{width:100%}
  .hero-actions .btn,.cta-band .btn{width:100%}
}