/* ==========================================================================
   AStudio landing – trang chủ giới thiệu + restyle header/footer dùng chung
   Scoped bằng prefix .as-  (không đụng styles.css cũ)
   ========================================================================== */
:root{
   --as-blue:#1b64f2;
   --as-blue-d:#1450d8;
   --as-navy:#16213e;
   --as-ink:#1f2a44;
   --as-muted:#6b7280;
   --as-line:#e9edf5;
   --as-bg-soft:#f5f8ff;
   --as-radius:14px;
   --as-shadow:0 6px 24px rgba(20,40,90,.06);
   --as-shadow-h:0 12px 30px rgba(20,40,90,.12);
}
.as-wrap{font-family:'Inter',-apple-system,'Segoe UI',Roboto,Arial,sans-serif;color:var(--as-ink);line-height:1.6;-webkit-font-smoothing:antialiased}
.as-wrap *{box-sizing:border-box}
.as-container{max-width:1180px;margin:0 auto;padding:0 20px}
.as-wrap img{max-width:100%}
.as-blue{color:var(--as-blue)}
.as-center{text-align:center}

/* ---- buttons ---- */
.as-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
   font-weight:600;font-size:15px;line-height:1;padding:14px 26px;border-radius:10px;
   cursor:pointer;border:1px solid transparent;transition:.18s;text-decoration:none;white-space:nowrap}
.as-btn-primary{background:var(--as-blue);color:#fff}
.as-btn-primary:hover{background:var(--as-blue-d);color:#fff}
.as-btn-ghost{background:#fff;color:var(--as-ink);border-color:var(--as-line)}
.as-btn-ghost:hover{border-color:var(--as-blue);color:var(--as-blue)}
.as-btn-white{background:#fff;color:var(--as-blue)}
.as-btn-white:hover{background:#eef3ff;color:var(--as-blue)}
.as-btn-outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.as-btn-outline-white:hover{background:rgba(255,255,255,.12);color:#fff}
.as-btn-lg{padding:15px 30px;font-size:16px}

/* ---- section heading ---- */
.as-section{padding:64px 0}
.as-section.alt{background:var(--as-bg-soft)}
.as-h2{font-size:30px;font-weight:800;text-align:center;margin:0 0 40px;color:var(--as-ink);letter-spacing:-.4px}
.as-sub{text-align:center;color:var(--as-muted);max-width:640px;margin:-28px auto 40px;font-size:16px}

/* ---- sprite icons ---- */
.as-ic{display:inline-block;background-repeat:no-repeat;background-size:300% 200%}
.as-ic-vd{background-image:url(/images/icon_van_de.png)}
.as-ic-gp{background-image:url(/images/icon_giai_phap.png)}
.as-ic-ph{background-image:url(/images/icon_phu_hop.png)}
.as-p1{background-position:0% 0%}
.as-p2{background-position:50% 0%}
.as-p3{background-position:100% 0%}
.as-p4{background-position:0% 100%}
.as-p5{background-position:50% 100%}
.as-p6{background-position:100% 100%}
.as-ic-cs{display:inline-block;background-image:url(/images/icon_con_so.png);background-size:500% 100%;background-repeat:no-repeat}
.as-s1{background-position:0% 0}
.as-s2{background-position:25% 0}
.as-s3{background-position:50% 0}
.as-s4{background-position:75% 0}
.as-s5{background-position:100% 0}

/* ==================== HERO ==================== */
.as-hero{width: 100%;background:linear-gradient(180deg,#eef4ff 0%,#f7faff 60%,#fff 100%);padding:52px 0 40px;overflow:hidden}
.as-hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:center}
.as-badge{display:inline-block;background:#fff;border:1px solid #d7e3ff;color:var(--as-blue);
   font-size:12px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
   padding:7px 16px;border-radius:20px;margin-bottom:20px}
.as-hero h1{font-size:44px;font-weight:800;color:var(--as-blue);margin:0 0 4px;letter-spacing:-1px}
.as-hero h2{font-size:34px;font-weight:800;color:var(--as-ink);margin:0 0 18px;letter-spacing:-.5px;line-height:1.2}
.as-hero-desc{font-size:16px;color:var(--as-muted);margin:0 0 22px;max-width:520px}
.as-feats{display:grid;grid-template-columns:repeat(3,auto);gap:12px 22px;margin:0 0 28px;justify-content:start}
.as-feat{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:500;color:var(--as-ink)}
.as-feat i{flex:none;width:20px;height:20px;border-radius:50%;background:var(--as-blue);color:#fff;
   display:inline-flex;align-items:center;justify-content:center;font-size:11px}
.as-hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.as-hero-cta .as-btn-primary{flex-direction:column;gap:2px;align-items:flex-start;padding:12px 26px}
.as-hero-cta .as-btn-primary small{font-weight:400;font-size:11px;opacity:.85}
.as-hero-img{position:relative}
.as-hero-img img{width:100%;filter:drop-shadow(0 20px 40px rgba(20,40,90,.14))}

/* ==================== TRUST LOGOS ==================== */
.as-trust{padding:30px 0 8px}
.as-trust-title{text-align:center;color:var(--as-muted);font-weight:600;font-size:14px;margin-bottom:18px}
.as-logos{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.as-logo-box{border:1px solid var(--as-line);background:#fff;border-radius:10px;
   min-width:150px;height:56px;display:flex;align-items:center;justify-content:center;text-align:center;
   font-weight:700;color:#8a93a6;letter-spacing:1px;text-transform:uppercase;font-size:13px;padding:0 18px;
   text-decoration:none;transition:.18s}
a.as-logo-box:hover{color:var(--as-blue);border-color:#cddcff;box-shadow:var(--as-shadow);transform:translateY(-2px)}
.as-logo-box.more{color:var(--as-blue);border-color:#cddcff;text-transform:none;letter-spacing:0}

/* ==================== CARDS GRID (vấn đề / giải pháp) ==================== */
.as-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.as-card{background:#fff;border:1px solid var(--as-line);border-radius:var(--as-radius);
   padding:26px 22px;text-align:center;box-shadow:var(--as-shadow);transition:.2s}
.as-card:hover{transform:translateY(-4px);box-shadow:var(--as-shadow-h);border-color:#d7e3ff}
.as-card .as-ic{width:111px;height:99px;margin:0 auto 16px}
.as-card h3{font-size:17px;font-weight:700;margin:0 0 8px;color:var(--as-ink)}
.as-card p{font-size:14px;color:var(--as-muted);margin:0}
/* giải pháp: card có bullet list, canh trái */
.as-card-feature{text-align:left}
.as-card-feature .as-ic{margin:0 0 16px}
.as-card-feature ul{list-style:none;margin:12px 0 0;padding:0}
.as-card-feature li{position:relative;padding-left:24px;font-size:14px;color:#41506b;margin-bottom:8px}
.as-card-feature li:before{content:"\f00c";font-family:FontAwesome;position:absolute;left:0;top:1px;color:var(--as-blue);font-size:12px}
.as-more-wrap{text-align:center;margin-top:34px}

/* ==================== PHÙ HỢP VỚI ==================== */
.as-fit{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.as-fit-card{background:#fff;border:1px solid var(--as-line);border-radius:var(--as-radius);
   padding:22px;box-shadow:var(--as-shadow);transition:.2s}
.as-fit-card:hover{transform:translateY(-4px);box-shadow:var(--as-shadow-h);border-color:#d7e3ff}
.as-fit-card .as-ic{width:96px;height:90px;margin-bottom:14px}
.as-fit-card h3{font-size:16px;font-weight:700;margin:0 0 8px}
.as-fit-card p{font-size:13.5px;color:var(--as-muted);margin:0}

/* ==================== TRANG /tinh-nang ==================== */
.as-feat-hero{background:linear-gradient(180deg,#eef4ff 0%,#f7faff 60%,#fff 100%);padding:56px 0 44px;text-align:center}
.as-feat-hero .as-badge{margin-bottom:16px}
.as-feat-hero h1{font-size:36px;font-weight:800;color:var(--as-ink);margin:0 0 14px;letter-spacing:-.6px}
.as-feat-hero h1 span{color:var(--as-blue)}
.as-feat-hero p{color:var(--as-muted);font-size:16px;max-width:660px;margin:0 auto 26px}
.as-feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.as-feat-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--as-line);
   border-radius:var(--as-radius);overflow:hidden;text-decoration:none;box-shadow:var(--as-shadow);transition:.2s}
.as-feat-card:hover{transform:translateY(-4px);box-shadow:var(--as-shadow-h);border-color:#d7e3ff}
.as-feat-thumb{display:block;position:relative;padding-top:58%;background:#eef2f9;overflow:hidden}
.as-feat-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.3s}
.as-feat-card:hover .as-feat-thumb img{transform:scale(1.05)}
.as-feat-thumb .as-feat-noimg{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
   color:#b9c4d6;font-size:34px;background:linear-gradient(135deg,#eef4ff,#e6edfb)}
.as-feat-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.as-feat-card h3{font-size:17px;font-weight:700;color:var(--as-ink);margin:0 0 10px;line-height:1.4}
.as-feat-card p{font-size:14px;color:var(--as-muted);margin:0 0 16px;flex:1;line-height:1.6;
   display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.as-feat-more{color:var(--as-blue);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.as-feat-card:hover .as-feat-more{gap:10px}
@media(max-width:1024px){.as-feat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.as-feat-grid{grid-template-columns:1fr}.as-feat-hero h1{font-size:28px}}

/* ==================== CON SỐ (blue band) ==================== */
.as-stats{background:linear-gradient(135deg,#1e64f0 0%,#1450d8 100%);padding:56px 0;color:#fff}
.as-stats h2{color:#fff;text-align:left;font-size:26px;font-weight:800;margin:0 0 28px}
.as-stats-row{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.as-stat{text-align:center}
.as-stat .as-ic-cs{width:58px;height:58px;margin:0 auto 12px;background-color:rgba(255,255,255,.95);border-radius:16px}
.as-stat .num{font-size:30px;font-weight:800;line-height:1.1}
.as-stat .lbl{font-size:13.5px;opacity:.9;margin-top:4px}

/* ==================== TIN TỨC ==================== */
.as-news{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.as-news-card{background:#fff;border:1px solid var(--as-line);border-radius:var(--as-radius);
   overflow:hidden;box-shadow:var(--as-shadow);transition:.2s;display:flex;flex-direction:column}
.as-news-card:hover{transform:translateY(-4px);box-shadow:var(--as-shadow-h)}
.as-news-thumb{display:block;padding-top:62%;position:relative;background:#eef1f6}
.as-news-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.as-news-body{padding:16px 16px 18px;display:flex;flex-direction:column;flex:1}
.as-news-date{font-size:12px;color:#9aa3b2;margin-bottom:6px}
.as-news-body h3{font-size:15px;font-weight:700;margin:0 0 12px;line-height:1.4;color:var(--as-ink);
   display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.as-news-more{margin-top:auto;color:var(--as-blue);font-weight:600;font-size:13.5px;text-decoration:none}
.as-news-more:hover{text-decoration:underline}

/* ==================== CTA cuối ==================== */
.as-cta{background:var(--as-bg-soft);padding:26px 0}
.as-cta-inner{background:#fff;border:1px solid var(--as-line);border-radius:16px;box-shadow:var(--as-shadow);
   padding:26px 34px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.as-cta-inner h3{font-size:21px;font-weight:800;margin:0 0 4px}
.as-cta-inner p{margin:0;color:var(--as-muted);font-size:14.5px}
.as-cta-btns{display:flex;gap:14px;flex-wrap:wrap}

/* ==========================================================================
   HEADER (restyle, giữ nguyên logic menu/login/account)
   ========================================================================== */
.header .header_web{background:#fff;border-bottom:1px solid var(--as-line);box-shadow:0 1px 8px rgba(20,40,90,.04)}
.as-header{display:flex;align-items:center;gap:26px;height:66px}
.as-logo-link{flex:none;display:flex;align-items:center}
.as-logo-link img{height:30px;width:auto;display:block}
.as-nav{flex:1}
.as-nav .header_menu_ul{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.as-nav .header_menu_li{position:relative}
.as-nav .header_menu_a{display:block;padding:10px 14px;color:#39435a;font-weight:600;font-size:14.5px;text-decoration:none;border-radius:8px;transition:.15s}
.as-nav .header_menu_li:hover>.header_menu_a{color:var(--as-blue);background:#f2f6ff}
.as-nav .header_menu_sub{display:block;position:absolute;top:100%;left:0;min-width:210px;background:#fff;border:1px solid var(--as-line);
   border-radius:10px;box-shadow:var(--as-shadow-h);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.15s;z-index:50}
.as-nav .header_menu_sub_ul li{width:auto;float:none;padding:0}
.as-nav .header_menu_li:hover .header_menu_sub{opacity:1;visibility:visible;transform:translateY(0)}
.as-nav .header_menu_sub_ul{list-style:none;margin:0;padding:0}
.as-nav .header_menu_sub_li a{display:block;padding:9px 12px;color:#39435a;font-size:14px;text-decoration:none;border-radius:6px}
.as-nav .header_menu_sub_li a:hover{background:#f2f6ff;color:var(--as-blue)}
.as-header-right{flex:none;display:flex;align-items:center;gap:14px}
.as-header-right .as-login{color:var(--as-ink);font-weight:600;font-size:14.5px;text-decoration:none;padding:8px 6px}
.as-header-right .as-login:hover{color:var(--as-blue)}
/* user dropdown (đã đăng nhập) */
.as-header-right .header_dropdown_user{position:relative}
.as-header-right .dropdown_toggle{display:flex;align-items:center;gap:8px;color:var(--as-ink);text-decoration:none;font-weight:600;font-size:14px}
.as-header-right .user_image{width:34px;height:34px;border-radius:50%;object-fit:cover;border:1px solid var(--as-line)}
.as-header-right .dropdown_menu{position:absolute;right:0;top:calc(100% + 8px);min-width:220px;background:#fff;
   border:1px solid var(--as-line);border-radius:10px;box-shadow:var(--as-shadow-h);padding:6px;list-style:none;margin:0;
   opacity:0;visibility:hidden;transform:translateY(6px);transition:.15s;z-index:60}
.as-header-right .header_dropdown_user:hover .dropdown_menu{opacity:1;visibility:visible;transform:translateY(0)}
.as-header-right .dropdown_menu a{display:flex;align-items:center;gap:8px;padding:9px 12px;color:#39435a;text-decoration:none;font-size:14px;border-radius:6px}
.as-header-right .dropdown_menu a:hover{background:#f2f6ff;color:var(--as-blue)}
.as-header-right .item_link_footer .pull-right{width:100%}
.as-header-right .item_link_footer a{color:#d33}

/* ==========================================================================
   FOOTER (restyle, giữ nguyên loop menu + widget nổi + popup)
   ========================================================================== */
.footer .footer_content{background:var(--as-navy);color:#c7cede;padding:52px 0 34px}
.as-foot-grid{display:flex;flex-wrap:wrap;gap:34px}
.as-foot-brand{flex:1 1 280px;min-width:250px}
.as-foot-col{flex:1 1 150px;min-width:130px}
.as-foot-hotline{flex:1 1 240px;min-width:220px}
.as-foot-brand .as-foot-logo{height:30px;filter:brightness(0) invert(1);margin-bottom:14px}
.as-foot-brand p{font-size:14px;color:#9aa6bd;margin:0 0 18px;max-width:300px;line-height:1.7}
.as-foot-social{display:flex;gap:10px}
.as-foot-social a{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
   background:rgba(255,255,255,.06);border-radius:50%;overflow:hidden;transition:.15s}
.as-foot-social a:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.as-foot-social img{width:34px;height:34px;object-fit:contain}
.as-foot-col .as-foot-title{color:#fff;font-weight:700;font-size:15px;margin:0 0 16px}
.as-foot-col ul{list-style:none;margin:0;padding:0}
.as-foot-col li{margin-bottom:10px}
.as-foot-col a{color:#9aa6bd;text-decoration:none;font-size:14px;transition:.15s}
.as-foot-col a:hover{color:#fff}
.as-foot-hotline{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:20px}
.as-foot-hotline .as-foot-title{color:#fff;font-weight:700;font-size:15px;margin:0 0 14px}
.as-foot-hotline .as-hl-row{display:flex;flex-wrap:nowrap;align-items:center;gap:10px;margin-bottom:12px;color:#dfe5f0;font-size:14px}
.as-foot-hotline .as-hl-row i{width:34px;height:34px;flex:none;border-radius:8px;background:var(--as-blue);color:#fff;display:inline-flex;align-items:center;justify-content:center}
.as-foot-hotline .as-hl-row>div{min-width:0}
.as-foot-hotline .as-hl-row b{color:#fff;font-size:15px;white-space:nowrap}
.footer .footer_bootom{background:#0f1830;color:#8592ad;padding:16px 0;text-align:center;font-size:13px}
.footer .footer_bootom a{color:#aab6cf;text-decoration:none}

/* mobile: logo trong panel menu (nền trắng) -> logo tối bình thường */
.header_mobile_menu_top .logo_menu a{
   display:block;width:118px;height:30px;
   background:url(/images/logo.png) left center/contain no-repeat;
}
/* mobile: logo trên thanh header (nền xanh) -> logo TRẮNG, sát icon menu */
.header_mobile .header_content > .logo{
   padding-left:44px;
   padding-right:10px;
}
.header_mobile .header_content > .logo a{
   width:100%;height:34px;
   background:url(/images/logo.png) left center no-repeat;
   background-size:auto 24px;
   filter:brightness(0) invert(1);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media(max-width:1024px){
   .as-hero h1{font-size:38px}
   .as-hero h2{font-size:28px}
   .as-grid{grid-template-columns:repeat(2,1fr)}
   .as-fit{grid-template-columns:repeat(2,1fr)}
   .as-stats-row{grid-template-columns:repeat(3,1fr);gap:26px 12px}
   .as-news{grid-template-columns:repeat(2,1fr)}
   .as-foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media(max-width:768px){
   .as-hero-grid{grid-template-columns:1fr;gap:26px}
   .as-hero-img{order:-1}
   .as-section{padding:44px 0}
   .as-h2{font-size:24px;margin-bottom:28px}
   .as-hero h1{font-size:32px}
   .as-hero h2{font-size:24px}
   .as-feats{grid-template-columns:repeat(2,auto)}
   .as-stats h2{text-align:center}
   .as-cta-inner{flex-direction:column;text-align:center;align-items:center}
}
@media(max-width:520px){
   .as-grid{grid-template-columns:1fr}
   .as-fit{grid-template-columns:1fr}
   .as-stats-row{grid-template-columns:repeat(2,1fr)}
   .as-news{grid-template-columns:1fr}
   .as-feats{grid-template-columns:1fr}
   .as-hero-cta,.as-cta-btns{width:100%}
   .as-hero-cta .as-btn,.as-cta-btns .as-btn{flex:1}
}