/*
Theme Name: BestVisa - Dịch vụ Visa & Định cư
Theme URI: https://betvisa100k.com/
Author: K-Solutions
Author URI: https://k-solutions.vn/
Description: Theme WordPress production-ready cho công ty tư vấn dịch vụ visa, du học và định cư. Cấu trúc chuẩn (header/footer/sidebar/template-parts), responsive, tối ưu SEO, đa template page/post/category. Ảnh và logo là asset tự tạo (self-generated), không sao chép từ bên thứ ba.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: bestvisa
Tags: business, blog, custom-logo, custom-menu, featured-images, full-width-template, right-sidebar, translation-ready, threaded-comments
*/

/* ====== Design tokens ====== */
:root{
  --bv-navy:#0b2545;
  --bv-blue:#1357a2;
  --bv-teal:#168a98;
  --bv-gold:#f4ad1e;
  --bv-gold-d:#d48c0c;
  --bv-ink:#1c2733;
  --bv-body:#384757;
  --bv-muted:#6b7a8d;
  --bv-line:#e6ebf1;
  --bv-bg:#ffffff;
  --bv-soft:#f4f7fb;
  --bv-soft2:#eef3f9;
  --bv-radius:14px;
  --bv-radius-sm:9px;
  --bv-shadow:0 10px 30px rgba(11,37,69,.08);
  --bv-shadow-lg:0 18px 50px rgba(11,37,69,.14);
  --bv-wrap:1180px;
  --bv-font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--bv-font);color:var(--bv-body);
  background:var(--bv-bg);line-height:1.7;font-size:16.5px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--bv-blue);text-decoration:none;transition:color .18s}
a:hover{color:var(--bv-gold-d)}
h1,h2,h3,h4,h5{color:var(--bv-ink);line-height:1.25;font-weight:700;margin:0 0 .6em}
h1{font-size:2.35rem}
h2{font-size:1.85rem}
h3{font-size:1.35rem}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.3em}
blockquote{margin:1.4em 0;padding:1em 1.4em;border-left:4px solid var(--bv-gold);background:var(--bv-soft);border-radius:0 var(--bv-radius-sm) var(--bv-radius-sm) 0;color:var(--bv-ink)}
code{background:var(--bv-soft2);padding:.15em .4em;border-radius:5px;font-size:.92em}
.wrap{max-width:var(--bv-wrap);margin:0 auto;padding:0 22px}
.screen-reader-text{position:absolute!important;clip:rect(1px,1px,1px,1px);width:1px;height:1px;overflow:hidden}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--bv-gold);color:var(--bv-navy);padding:10px 16px;z-index:1000;font-weight:700}
.skip-link:focus{left:8px;top:8px}

/* ====== Buttons ====== */
.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:700;padding:13px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;font-size:1rem;transition:transform .15s,box-shadow .2s,background .2s}
.btn-primary{background:linear-gradient(135deg,var(--bv-gold),var(--bv-gold-d));color:#3a2600}
.btn-primary:hover{color:#3a2600;transform:translateY(-2px);box-shadow:0 12px 26px rgba(212,140,12,.35)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.65);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--bv-navy)}
.btn-outline{border-color:var(--bv-blue);color:var(--bv-blue)}
.btn-outline:hover{background:var(--bv-blue);color:#fff}

/* ====== Header ====== */
.site-header{position:sticky;top:0;z-index:200;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--bv-line)}
.topbar{background:var(--bv-navy);color:#cdd9ea;font-size:.86rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:14px;min-height:40px;flex-wrap:wrap}
.topbar a{color:#cdd9ea}.topbar a:hover{color:#fff}
.topbar .tb-contact{display:flex;gap:20px;flex-wrap:wrap}
.topbar .tb-social a{margin-left:12px}
.header-main .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:78px}
.site-branding img{max-height:50px;width:auto}
.site-branding .site-title{font-size:1.5rem;margin:0}
.main-navigation ul{list-style:none;margin:0;padding:0;display:flex;gap:4px}
.main-navigation li{position:relative}
.main-navigation a{display:block;padding:12px 16px;color:var(--bv-ink);font-weight:600;border-radius:8px}
.main-navigation a:hover,.main-navigation .current-menu-item>a{color:var(--bv-blue);background:var(--bv-soft)}
.main-navigation .sub-menu{position:absolute;left:0;top:100%;background:#fff;min-width:220px;box-shadow:var(--bv-shadow);border-radius:10px;padding:8px;display:none;border:1px solid var(--bv-line)}
.main-navigation li:hover>.sub-menu{display:block}
.header-cta{display:flex;align-items:center;gap:14px}
.menu-toggle{display:none;background:var(--bv-navy);color:#fff;border:0;border-radius:8px;padding:10px 14px;font-size:1rem;cursor:pointer}

/* ====== Hero slider ====== */
.hero{position:relative;overflow:hidden;background:var(--bv-navy)}
.hero-slides{position:relative}
.hero-slide{position:relative;display:none;min-height:560px}
.hero-slide.is-active{display:block;animation:bvfade .8s ease}
@keyframes bvfade{from{opacity:.3}to{opacity:1}}
.hero-slide .bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-slide .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,37,69,.86) 10%,rgba(11,37,69,.55) 55%,rgba(11,37,69,.25))}
.hero-inner{position:relative;z-index:2;max-width:660px;padding:96px 0;color:#eaf1fb}
.hero-eyebrow{display:inline-block;background:rgba(244,173,30,.18);color:var(--bv-gold);font-weight:700;padding:7px 16px;border-radius:999px;font-size:.85rem;letter-spacing:.03em;margin-bottom:18px}
.hero-inner h2{color:#fff;font-size:2.8rem;margin-bottom:.4em}
.hero-inner p{font-size:1.15rem;color:#cdd9ea;margin-bottom:1.6em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:22px;left:0;right:0;z-index:3;display:flex;justify-content:center;gap:10px}
.hero-dots button{width:12px;height:12px;border-radius:50%;border:0;background:rgba(255,255,255,.4);cursor:pointer}
.hero-dots button.is-active{background:var(--bv-gold);width:30px;border-radius:999px}

/* ====== Sections ====== */
.section{padding:74px 0}
.section.alt{background:var(--bv-soft)}
.section-head{text-align:center;max-width:720px;margin:0 auto 48px}
.section-head .eyebrow{color:var(--bv-blue);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.82rem}
.section-head h2{margin:.3em 0 .3em}
.section-head p{color:var(--bv-muted)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:-58px;position:relative;z-index:5}
.stat{background:#fff;border-radius:var(--bv-radius);box-shadow:var(--bv-shadow);padding:26px;text-align:center;border-top:4px solid var(--bv-gold)}
.stat .num{font-size:2.2rem;font-weight:800;color:var(--bv-navy)}
.stat .lbl{color:var(--bv-muted);font-size:.95rem}

/* service / card grid */
.grid{display:grid;gap:26px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--bv-line);border-radius:var(--bv-radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-5px);box-shadow:var(--bv-shadow-lg)}
.card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bv-soft2)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .thumb img{transform:scale(1.06)}
.card .body{padding:22px;display:flex;flex-direction:column;flex:1}
.card .cat-tag{align-self:flex-start;background:var(--bv-soft2);color:var(--bv-blue);font-size:.76rem;font-weight:700;padding:4px 11px;border-radius:999px;margin-bottom:10px;text-transform:uppercase;letter-spacing:.03em}
.card h3{font-size:1.18rem;margin-bottom:.4em}
.card h3 a{color:var(--bv-ink)}
.card h3 a:hover{color:var(--bv-blue)}
.card .meta{color:var(--bv-muted);font-size:.84rem;margin-bottom:10px}
.card .excerpt{color:var(--bv-body);font-size:.96rem;flex:1}
.card .more{margin-top:14px;font-weight:700;color:var(--bv-blue)}

/* service icon card */
.svc{background:#fff;border:1px solid var(--bv-line);border-radius:var(--bv-radius);padding:30px;transition:transform .2s,box-shadow .2s}
.svc:hover{transform:translateY(-5px);box-shadow:var(--bv-shadow-lg);border-color:transparent}
.svc .ic{width:60px;height:60px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--bv-blue),var(--bv-teal));color:#fff;font-size:1.6rem;margin-bottom:18px}
.svc h3{font-size:1.2rem}
.svc p{color:var(--bv-muted);font-size:.96rem;margin-bottom:0}

/* why-us split */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:50px;align-items:center}
.split img{border-radius:var(--bv-radius);box-shadow:var(--bv-shadow)}
.feature-list{list-style:none;padding:0;margin:18px 0 0}
.feature-list li{display:flex;gap:14px;margin-bottom:18px}
.feature-list .fi-ic{flex:0 0 40px;height:40px;border-radius:10px;background:var(--bv-soft);color:var(--bv-blue);display:flex;align-items:center;justify-content:center;font-weight:800}
.feature-list h4{margin:0 0 3px;font-size:1.06rem}
.feature-list p{margin:0;color:var(--bv-muted);font-size:.94rem}

/* process steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--bv-line);border-radius:var(--bv-radius);padding:28px 22px}
.step .n{width:44px;height:44px;border-radius:50%;background:var(--bv-navy);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step h4{margin:0 0 6px}
.step p{margin:0;color:var(--bv-muted);font-size:.93rem}

/* pricing */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--bv-line);border-radius:var(--bv-radius);padding:32px 28px;display:flex;flex-direction:column}
.plan.featured{border-color:var(--bv-gold);box-shadow:var(--bv-shadow-lg);position:relative}
.plan.featured::before{content:"Phổ biến nhất";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--bv-gold);color:#3a2600;font-weight:700;font-size:.78rem;padding:5px 16px;border-radius:999px}
.plan .pname{font-weight:700;color:var(--bv-blue);font-size:1.1rem}
.plan .price{font-size:2.2rem;font-weight:800;color:var(--bv-navy);margin:.2em 0}
.plan .price small{font-size:.95rem;color:var(--bv-muted);font-weight:500}
.plan ul{list-style:none;padding:0;margin:18px 0;flex:1}
.plan ul li{padding:9px 0;border-bottom:1px solid var(--bv-line);font-size:.95rem}
.plan ul li::before{content:"✓";color:var(--bv-teal);font-weight:800;margin-right:8px}

/* testimonials */
.quote{background:#fff;border:1px solid var(--bv-line);border-radius:var(--bv-radius);padding:28px}
.quote p{font-style:italic;color:var(--bv-ink)}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:14px}
.quote .who .av{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--bv-blue),var(--bv-teal));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.quote .who strong{display:block;color:var(--bv-ink)}
.quote .who span{font-size:.86rem;color:var(--bv-muted)}

/* CTA band */
.cta-band{background:linear-gradient(135deg,var(--bv-navy),var(--bv-blue));color:#fff;border-radius:var(--bv-radius);padding:54px;text-align:center;background-size:cover;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background:rgba(11,37,69,.55)}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{color:#fff}
.cta-band p{color:#d6e1f0;max-width:620px;margin:0 auto 1.4em}

/* ====== Layout: content + sidebar ====== */
.page-hero{background:linear-gradient(120deg,var(--bv-navy),var(--bv-blue));color:#fff;padding:54px 0 60px}
.page-hero h1{color:#fff;margin-bottom:.3em}
.page-hero p{color:#cdd9ea;max-width:740px;margin:0}
.breadcrumb{font-size:.86rem;color:#9fb4ce;margin-bottom:14px}
.breadcrumb a{color:#cdd9ea}
.breadcrumb .sep{margin:0 8px;opacity:.6}
.content-area{padding:60px 0}
.layout{display:grid;grid-template-columns:1fr 320px;gap:46px;align-items:start}
.layout.full{grid-template-columns:1fr}

/* sidebar */
.sidebar .widget{background:#fff;border:1px solid var(--bv-line);border-radius:var(--bv-radius);padding:22px;margin-bottom:26px}
.sidebar .widget-title{font-size:1.05rem;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--bv-gold);display:inline-block}
.sidebar ul{list-style:none;padding:0;margin:0}
.sidebar ul li{padding:8px 0;border-bottom:1px dashed var(--bv-line)}
.sidebar ul li:last-child{border-bottom:0}
.sidebar a{color:var(--bv-body)}
.sidebar a:hover{color:var(--bv-blue)}
.widget_search form{display:flex;gap:8px}
.search-field{flex:1;padding:11px 14px;border:1px solid var(--bv-line);border-radius:8px;font-size:.95rem}
.search-submit{background:var(--bv-blue);color:#fff;border:0;border-radius:8px;padding:0 16px;cursor:pointer;font-weight:700}
.widget-recent{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:1px dashed var(--bv-line)}
.widget-recent:last-child{border-bottom:0}
.widget-recent img{width:64px;height:48px;object-fit:cover;border-radius:8px;flex:0 0 64px}
.widget-recent .t{font-size:.92rem;font-weight:600;color:var(--bv-ink)}
.widget-recent .d{font-size:.78rem;color:var(--bv-muted)}
.tagcloud a{display:inline-block;background:var(--bv-soft);padding:5px 12px;border-radius:999px;font-size:.82rem;margin:0 6px 8px 0}

/* single / page article */
.article{background:#fff}
.entry-thumb{border-radius:var(--bv-radius);overflow:hidden;margin-bottom:26px;box-shadow:var(--bv-shadow)}
.entry-meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--bv-muted);font-size:.9rem;margin-bottom:22px}
.entry-meta .cat-tag{background:var(--bv-soft2);color:var(--bv-blue);padding:3px 11px;border-radius:999px;font-weight:700}
.entry-content{font-size:1.04rem}
.entry-content h2{margin-top:1.5em}
.entry-content h3{margin-top:1.3em}
.entry-content img{border-radius:var(--bv-radius-sm);margin:1.4em 0}
.entry-content ul li,.entry-content ol li{margin-bottom:.5em}
.entry-content table{width:100%;border-collapse:collapse;margin:1.4em 0}
.entry-content th,.entry-content td{border:1px solid var(--bv-line);padding:11px 14px;text-align:left}
.entry-content th{background:var(--bv-soft);color:var(--bv-ink)}
.tags-links{margin-top:26px}
.tags-links a{display:inline-block;background:var(--bv-soft);padding:5px 13px;border-radius:999px;font-size:.84rem;margin:0 6px 8px 0}

/* related */
.related{margin-top:54px}
.related h3{border-bottom:2px solid var(--bv-gold);display:inline-block;padding-bottom:8px;margin-bottom:24px}

/* pagination */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:46px;flex-wrap:wrap}
.pagination .page-numbers{display:inline-flex;min-width:44px;height:44px;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--bv-line);border-radius:9px;color:var(--bv-ink);font-weight:600}
.pagination .page-numbers.current{background:var(--bv-blue);color:#fff;border-color:var(--bv-blue)}
.pagination .page-numbers:hover{border-color:var(--bv-blue);color:var(--bv-blue)}
.pagination .current:hover{color:#fff}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info .ci{display:flex;gap:14px;margin-bottom:20px}
.contact-info .ci .ic{flex:0 0 46px;height:46px;border-radius:12px;background:var(--bv-soft);color:var(--bv-blue);display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.contact-form input,.contact-form textarea{width:100%;padding:13px 15px;border:1px solid var(--bv-line);border-radius:9px;margin-bottom:14px;font-family:inherit;font-size:.98rem}
.contact-form textarea{min-height:140px;resize:vertical}
.map-embed{border-radius:var(--bv-radius);overflow:hidden;margin-top:24px;border:1px solid var(--bv-line)}
.note{background:var(--bv-soft);border-radius:9px;padding:11px 14px;font-size:.9rem;color:var(--bv-muted)}

/* comments */
.comments-area{margin-top:48px;background:var(--bv-soft);border-radius:var(--bv-radius);padding:30px}
.comment-list{list-style:none;padding:0}
.comment-list .comment-body{background:#fff;border:1px solid var(--bv-line);border-radius:10px;padding:18px;margin-bottom:16px}
.comment-form input,.comment-form textarea{width:100%;padding:11px 14px;border:1px solid var(--bv-line);border-radius:8px;margin-bottom:12px;font-family:inherit}

/* 404 / none */
.bv-empty{text-align:center;padding:70px 0}
.bv-empty .code{font-size:6rem;font-weight:800;color:var(--bv-soft2);line-height:1}
.bv-empty h1{margin-top:-10px}

/* ====== Footer ====== */
.site-footer{background:var(--bv-navy);color:#aebfd6;margin-top:10px}
.footer-top{padding:60px 0 40px}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.site-footer h4{color:#fff;font-size:1.05rem;margin-bottom:18px}
.site-footer a{color:#aebfd6}
.site-footer a:hover{color:var(--bv-gold)}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer ul li{padding:6px 0}
.footer-brand img{max-height:46px;margin-bottom:16px}
.footer-brand p{font-size:.94rem}
.foot-contact li{display:flex;gap:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:.87rem}
.footer-bottom .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.credits{font-size:.78rem;color:#7f93b3}

/* ====== Responsive ====== */
@media(max-width:1024px){
  .footer-cols{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .layout{grid-template-columns:1fr}
  .grid-3,.pricing{grid-template-columns:1fr 1fr}
  .split,.contact-grid{grid-template-columns:1fr}
  .hero-inner h2{font-size:2.1rem}
}
@media(max-width:680px){
  body{font-size:16px}
  h1{font-size:1.9rem}h2{font-size:1.5rem}
  .menu-toggle{display:block}
  .main-navigation{position:fixed;inset:0 0 0 30%;background:#fff;transform:translateX(100%);transition:transform .25s;z-index:300;padding:74px 18px 18px;box-shadow:var(--bv-shadow-lg);overflow:auto}
  .main-navigation.is-open{transform:translateX(0)}
  .main-navigation ul{flex-direction:column;gap:2px}
  .main-navigation .sub-menu{position:static;display:block;box-shadow:none;border:0;padding-left:14px}
  .header-cta .btn{display:none}
  .grid-3,.grid-2,.pricing,.stats,.steps,.footer-cols{grid-template-columns:1fr}
  .nav-open{overflow:hidden}
  .nav-backdrop{position:fixed;inset:0;background:rgba(11,37,69,.5);z-index:250;display:none}
  .nav-backdrop.is-open{display:block}
  .section{padding:50px 0}
  .cta-band{padding:36px 22px}
}