/* =====================================================================
   AOMNICHAT — site.css (dùng chung mọi trang) — MOBILE FIRST
   Base = mobile (<681px). Mở rộng bằng min-width: 681px (tablet),
   1025px (desktop), 1181px (desktop rộng).
   Nền nhận diện: ANTKING Brand Guideline 2026 (akbrand) — AOMNICHAT là
   product brand chính, ANTKING xuất hiện nhẹ ở footer ("A product by ANTKING").

   1 Tokens · 2 Reset · 3 Layout utilities · 4 Buttons · 5 Reveal
   6 Header · 7 Page hero + breadcrumb · 8 Footer · 9 Sticky CTA
   10 Components dùng chung (card, icon, check-list, flow, shot (khung screenshot),
      plan/pricing, FAQ, CTA band, case, form, blog/entry, pagination)
   11 Scale-up (min-width)
   ===================================================================== */

/* ---------- 1. DESIGN TOKENS ---------- */
:root{
  /* akbrand 2026 — tỷ lệ 60 trắng/light · 30 blue · 5 navy · 5 orange */
  --primary:#1781C4;        /* ANTKING Blue — CTA, link, đồ hoạ */
  --primary-hover:#116697;
  --primary-dark:#0B2942;   /* Navy — heading, nền tối, footer */
  --navy-2:#0D3A5E;         /* điểm cuối gradient navy */
  --accent:#F5821F;         /* Orange — chỉ nền/icon/heading lớn, KHÔNG chữ nhỏ trên nền trắng */
  --surface:#EFF8FC;        /* Light Blue — nền section, card */
  --surface-2:#F7FBFE;
  --primary-text:#116697;   /* Blue đậm cho CHỮ NHỎ trên nền trắng/light (≥4.5:1) — Blue gốc chỉ đạt 4.2 */
  --ink:#12283A; --gray:#5E6F7D;   /* chữ phụ: Cool Gray #667785 chỉnh đậm nhẹ để đạt 4.5:1 cả trên Light Blue */ --line:#E3EAF0; --white:#fff;
  --text-invert:#C9DCEA; --muted-invert:#9FC4DE;
  --ok:#2F8E54; --err:#B4302F; --warn:#C98A1B;
  --grad-dark:linear-gradient(150deg,#0B2942 55%,#0D3A5E 100%);

  --h-font:"Plus Jakarta Sans",Arial,sans-serif;
  --b-font:"Inter",Arial,sans-serif;

  --radius:12px; --radius-lg:16px; --radius-btn:10px;
  --btn-h:46px; --btn-h-sm:38px;
  --container:1200px;
  --header-h:68px;
  --gutter:16px; --sec-y:56px; --grid-gap:16px; --hero-y:40px; --card-p:22px;
  --shadow-sm:0 4px 14px rgba(11,41,66,.06);
  --shadow-md:0 10px 30px rgba(11,41,66,.10);
  --shadow-lg:0 20px 50px rgba(11,41,66,.14);
}

/* ---------- 2. RESET & BASE ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:400 16px/1.65 var(--b-font);color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:var(--h-font);color:var(--primary-dark);margin:0 0 .5em;line-height:1.2;text-wrap:balance}
h1{font-size:clamp(1.9rem,7vw,3.1rem);font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,5.2vw,2.25rem);font-weight:800;letter-spacing:-.01em}
h3{font-size:clamp(1.05rem,3.4vw,1.2rem);font-weight:700}
p{margin:0 0 1em}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-hover)}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* ---------- 3. LAYOUT UTILITIES ---------- */
.container{max-width:var(--container);padding:0 var(--gutter);margin:0 auto}
.section{padding:var(--sec-y) 0}
.section--tight{padding:calc(var(--sec-y) * .5) 0}
.section--soft{background:var(--surface)}
.section--dark{background:var(--grad-dark);color:#fff}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}
.section--dark p{color:var(--text-invert)}
.section--dark .kicker{color:var(--accent)}
[hidden]{display:none !important}
/* class lõi WP — the_posts_pagination(), skip-link, label ẩn dùng tới */
.screen-reader-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.section-head{text-align:center;max-width:760px;margin:0 auto 32px}
.section-head p{color:var(--gray);font-size:1.02rem}
.kicker{display:inline-block;font:700 12px var(--h-font);letter-spacing:.2em;text-transform:uppercase;color:var(--primary-text);margin-bottom:10px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font:700 11px/1.4 var(--h-font);letter-spacing:.06em;text-transform:uppercase;background:var(--surface);color:var(--primary-dark)}
.badge--accent{background:var(--accent);color:var(--primary-dark)}
.lead{font-size:1.08rem;color:var(--gray)}
.grid{display:grid;gap:var(--grid-gap);grid-template-columns:1fr}
.split{display:grid;gap:32px;align-items:center}
.split--top{align-items:start}
.center{text-align:center}
.mt-24{margin-top:24px}
/* Ghi chú nháp — nhãn nhỏ cho nội dung chờ duyệt/chờ khách cấp. Xoá khối khi đã chốt. */
.draft-row{text-align:center;margin:-8px 0 26px}
.draft-flag{display:inline-flex;align-items:center;gap:6px;font:600 12px/1.4 var(--b-font);color:#7A4A00;background:#FFF3E3;border:1px dashed #E9A55A;border-radius:8px;padding:4px 10px}

/* ---------- 4. BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:700 .92rem/1.2 var(--h-font);min-height:var(--btn-h);padding:10px 22px;border-radius:var(--radius-btn);border:1.5px solid transparent;transition:background .2s,color .2s,box-shadow .2s,border-color .2s;text-align:center;cursor:pointer}
.btn svg{width:18px;height:18px;flex-shrink:0}
.btn--primary{background:var(--primary);color:#fff}
.btn--primary:hover{background:var(--primary-hover);color:#fff;box-shadow:0 8px 20px rgba(23,129,196,.28)}
.btn--ghost{border-color:var(--primary);color:var(--primary);background:#fff}
.btn--ghost:hover{background:var(--surface);color:var(--primary-hover);border-color:var(--primary-hover)}
.btn--white{background:#fff;color:var(--primary-dark)}
.btn--white:hover{background:var(--surface);color:var(--primary-dark)}
.btn--outline-white{border-color:rgba(255,255,255,.6);color:#fff}
.btn--outline-white:hover{background:#fff;color:var(--primary-dark)}
.btn--block{width:100%}
.btn.btn--sm{min-height:var(--btn-h-sm);padding:6px 16px;font-size:.85rem}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font:700 .95rem var(--h-font);color:var(--primary-text)}
.link-arrow::after{content:"→";transition:transform .2s}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- 5. REVEAL ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.delay-1{transition-delay:.1s}.delay-2{transition-delay:.2s}.delay-3{transition-delay:.3s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
/* Mobile: iOS Safari hoãn callback IntersectionObserver khi cuộn quán tính → nội dung kẹt opacity:0 (trắng). Tắt reveal ≤680px. */
@media (max-width:680px){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- 6. HEADER ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);transition:box-shadow .3s;border-bottom:1px solid transparent}
.site-header.scrolled{box-shadow:var(--shadow-sm);border-bottom-color:var(--line)}
.header-inner{max-width:var(--container);margin:0 auto;padding:8px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:12px;height:var(--header-h)}
/* ⚠️ .header-inner tự làm container — KHÔNG bọc trong .container (logo bị cắt sát mép) */

/* Logo AOMNICHAT (Brand Kit v1.0) — SVG tight, tỉ lệ 6.72:1. WP: the_custom_logo() sinh a.custom-logo-link > img.custom-logo */
.custom-logo-link{display:inline-flex;align-items:center;flex-shrink:0}
.custom-logo{height:30px;width:auto;display:block}
.main-navigation{position:absolute;top:100%;left:0;right:0;max-height:calc(100vh - var(--header-h));max-height:calc(100dvh - var(--header-h));background:#fff;border-top:1px solid var(--line);box-shadow:var(--shadow-md);overflow-y:auto;-webkit-overflow-scrolling:touch;padding:8px var(--gutter) 32px;transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;transition:.25s}
body.nav-open .main-navigation{pointer-events:auto;transform:none;opacity:1;visibility:visible}
body.nav-open{overflow:hidden}
.main-navigation .menu{display:flex;flex-direction:column}
.main-navigation .menu > li{border-bottom:1px solid var(--line)}
.main-navigation .menu > li > a{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:15px 4px;font:600 1rem var(--b-font);color:var(--ink)}
.main-navigation .menu > li > a:hover,
.main-navigation .current-menu-item > a,
.main-navigation .current-menu-ancestor > a{color:var(--primary)}
.main-navigation .menu-item-has-children > a::after{content:"";width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-3px);transition:transform .2s;opacity:.6}
.main-navigation .menu-item-has-children.open > a::after{transform:rotate(-135deg)}
.main-navigation .sub-menu{display:none;padding:0 0 12px 12px}
.main-navigation .menu-item-has-children.open > .sub-menu{display:block}
.main-navigation .sub-menu a{display:block;padding:9px 4px;color:var(--ink);font-size:.95rem}
.main-navigation .sub-menu a:hover,.main-navigation .sub-menu .current-menu-item > a{color:var(--primary)}
.sub-menu .menu-desc{display:block;font-size:.8rem;color:var(--gray);font-weight:400}
.nav-mobile-actions{display:grid;gap:10px;margin-top:20px}
.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.header-actions .login-link{display:none;font:600 .92rem var(--b-font);color:var(--ink);padding:8px 10px}
.header-actions .login-link:hover{color:var(--primary)}
.header-actions .btn{display:none}
.hamburger{display:flex;width:44px;height:44px;flex-direction:column;justify-content:center;gap:5px;align-items:center;border-radius:10px}
.hamburger span{width:22px;height:2px;background:var(--primary-dark);transition:.3s;border-radius:2px}
body.nav-open .hamburger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .hamburger span:nth-child(2){opacity:0}
body.nav-open .hamburger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 7. PAGE HERO + BREADCRUMB ---------- */
.page-hero{position:relative;margin-top:var(--header-h);background:var(--primary-dark);color:#fff;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:var(--grad-dark)}
.page-hero::before{content:"";position:absolute;z-index:1;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:repeating-radial-gradient(circle,rgba(23,129,196,.28) 0 1px,transparent 1px 34px);pointer-events:none}
.page-hero .container{position:relative;z-index:2;padding-top:var(--hero-y);padding-bottom:var(--hero-y);text-align:center}
.page-hero h1{color:#fff;margin:.5em auto .3em;max-width:880px}
.page-hero p{color:var(--text-invert);max-width:680px;font-size:1.02rem;margin:0 auto}
.page-hero .kicker{color:var(--accent)}
.page-hero .btn-row{justify-content:center;margin-top:24px}
.page-hero .breadcrumbs{justify-content:flex-start;text-align:left}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.84rem;color:var(--text-invert)}
.breadcrumbs a{color:#fff}
.breadcrumbs a:hover{color:var(--accent)}
.breadcrumbs .sep{opacity:.6}
.breadcrumbs--light{color:var(--gray);padding:14px 0;margin-top:var(--header-h)}
.breadcrumbs--light a{color:var(--primary-text)}
.breadcrumbs--light .current{color:var(--ink);font-weight:500}

/* ---------- 8. FOOTER ---------- */
.site-footer{background:var(--primary-dark);color:var(--text-invert);padding:52px 0 0;font-size:.93rem}
.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 20px}
.footer-brand{grid-column:1/-1}
.footer-brand .custom-logo-link{margin-bottom:16px}
.footer-brand .custom-logo{height:32px}
.footer-brand p{margin:0 0 14px;line-height:1.7;max-width:360px}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.site-footer li{margin-bottom:9px}
.site-footer ul + h4{margin-top:24px}
.site-footer a{color:var(--text-invert)}
.site-footer a:hover{color:#fff}
.footer-contact li{display:flex;gap:8px;align-items:flex-start;line-height:1.5}
.footer-contact .label{color:var(--muted-invert);min-width:58px}
.footer-parent{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:.82rem;color:var(--muted-invert)}
.footer-parent img{height:22px;width:auto}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding:18px 0;font-size:.8rem;color:var(--muted-invert)}
.footer-bottom .container{display:flex;flex-direction:column;text-align:center;gap:8px}

/* ---------- 9. STICKY CTA (mobile) ---------- */
body:has(.sticky-cta) .footer-bottom{padding-bottom:88px}   /* chừa chỗ cho thanh CTA cố định */
body.nav-open .sticky-cta{display:none}
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:90;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:10px var(--gutter) calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(11,41,66,.08)}
.sticky-cta .btn{min-height:42px;padding:8px 10px;font-size:.86rem}

/* ---------- 10. COMPONENTS DÙNG CHUNG ---------- */
/* 10.1 Card + icon */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:var(--card-p);box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.card h3{margin:14px 0 8px}
.card p{color:var(--gray);margin:0;font-size:.95rem}
.card--soft{background:var(--surface);border-color:transparent;box-shadow:none}
.ic{width:46px;height:46px;border-radius:12px;background:var(--surface);display:grid;place-items:center;color:var(--primary);flex-shrink:0}
.ic svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ic .dot{fill:var(--accent);stroke:none}
.section--dark .ic{background:rgba(255,255,255,.08);color:#fff}

/* 10.2 Check list */
.check-list li{position:relative;padding-left:30px;margin-bottom:12px}
.check-list li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;background:var(--primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L19 7'/%3E%3C/svg%3E") center/12px no-repeat}
.check-list strong{color:var(--primary-dark);font-family:var(--h-font)}
.section--dark .check-list strong{color:#fff}

/* 10.3 Kênh (chip) — nhãn chữ, không dùng logo thương hiệu bên thứ ba */
.channel-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font:600 .85rem var(--b-font);color:var(--ink)}
.chip i{width:9px;height:9px;border-radius:50%;background:var(--primary);flex-shrink:0}
.chip--zalo i{background:#0068FF}
.chip--fb i{background:#7B4DFF}
.chip--oa i{background:#00A3E0}
.chip--web i{background:var(--accent)}

/* 10.4 Flow — sơ đồ luồng ngang/dọc đơn giản */
.flow{display:flex;flex-direction:column;align-items:stretch;gap:10px;counter-reset:flow}
.flow-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;font:600 .95rem var(--h-font);color:var(--primary-dark);text-align:center}
.flow-step small{display:block;font:400 .82rem var(--b-font);color:var(--gray);margin-top:2px}
.flow-step--hub{background:var(--primary);border-color:var(--primary);color:#fff}
.flow-step--hub small{color:#DCEEF9}
.flow-step--opt{border-style:dashed}
.flow-arrow{align-self:center;width:2px;height:14px;background:var(--line);position:relative}
.flow-arrow::after{content:"";position:absolute;left:-4px;bottom:-2px;border:5px solid transparent;border-top-color:var(--gray);border-bottom:0}
.section--dark .flow-step{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:#fff}
.section--dark .flow-step small{color:var(--muted-invert)}
.section--dark .flow-step--hub{background:var(--primary);border-color:var(--primary)}

/* 10.5 Bước đánh số */
.steps{display:grid;gap:12px;counter-reset:st;list-style:none;padding:0;margin:0}
.steps li{counter-increment:st;display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.steps li::before{content:counter(st,decimal-leading-zero);font:800 .95rem var(--h-font);color:var(--primary-text);background:var(--surface);border-radius:8px;padding:6px 8px;flex-shrink:0}
.steps strong{display:block;font-family:var(--h-font);color:var(--primary-dark)}
.steps span{color:var(--gray);font-size:.92rem}

/* 10.6 Khung ảnh chụp sản phẩm — chỉ dùng screenshot UI THẬT (không vẽ UI giả) */
.shot{margin:0;position:relative;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg);overflow:hidden}
.shot-bar{display:flex;gap:6px;padding:10px 12px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.shot-bar i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.shot--img img{display:block;width:100%;height:auto}
/* Khung điện thoại cho screenshot app di động thật */
.phone{margin:0;border:7px solid var(--primary-dark);border-radius:30px;overflow:hidden;background:#fff;box-shadow:var(--shadow-lg)}
.phone img{display:block;width:100%;height:auto}
/* Nút tải ứng dụng */
.store-badges{display:flex;flex-wrap:wrap;gap:10px}
.store-btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:6px 16px 6px 10px;border-radius:12px;background:var(--primary-dark);color:#fff;font:700 .95rem/1.1 var(--h-font)}
.store-btn:hover{background:var(--navy-2);color:#fff}
.store-btn img{width:28px;height:28px;border-radius:7px;background:#fff}
.store-btn small{display:block;font:500 .7rem var(--b-font);color:var(--muted-invert)}
.shot-note{margin:10px 0 0;text-align:center;font-size:.78rem;color:var(--gray)}

/* 10.7 Bảng giá */
.plans{display:grid;gap:16px;grid-template-columns:1fr;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 22px;box-shadow:var(--shadow-sm)}
.plan--featured{border:2px solid var(--primary);box-shadow:var(--shadow-md)}
.plan .badge--accent{position:absolute;top:-12px;left:50%;transform:translateX(-50%);white-space:nowrap}
.plan-name{font:800 .9rem var(--h-font);letter-spacing:.16em;text-transform:uppercase;color:var(--primary-text);margin:0 0 6px}
.plan-price{font:800 2rem/1.1 var(--h-font);color:var(--primary-dark);margin:6px 0 2px}
.plan-price small{font:500 .9rem var(--b-font);color:var(--gray)}
.plan-desc{color:var(--gray);font-size:.93rem;min-height:3em}
.plan-limits{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0 18px;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}
.plan-limits b{display:block;font:800 1.25rem var(--h-font);color:var(--primary-dark)}
.plan-limits span{font-size:.76rem;color:var(--gray)}
.plan .check-list{margin-bottom:22px;font-size:.93rem}
.plan .btn{margin-top:auto}
.addons{margin-top:28px;background:var(--surface);border-radius:var(--radius-lg);padding:22px}
.addons h3{margin-bottom:12px}
.addon-list{display:grid;gap:0}
.addon-list li{display:flex;flex-direction:column;gap:2px;padding:11px 0;border-bottom:1px solid var(--line);font-size:.94rem}
.addon-list li:last-child{border-bottom:0}
.addon-list b{font-family:var(--h-font);color:var(--primary-dark)}

/* 10.8 FAQ — <details> thuần, không cần JS */
.faq{max-width:840px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;transition:box-shadow .2s}
.faq details[open]{box-shadow:var(--shadow-sm)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:16px 18px;font:700 1rem var(--h-font);color:var(--primary-dark)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 1.5rem/1 var(--b-font);color:var(--primary);transition:transform .2s;flex-shrink:0}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 18px 16px;margin:0;color:var(--gray)}

/* 10.9 CTA band */
.cta-band{position:relative;overflow:hidden;background:var(--grad-dark);color:#fff;border-radius:var(--radius-lg);padding:40px 22px;text-align:center}
.cta-band::before{content:"";position:absolute;left:-90px;bottom:-90px;width:300px;height:300px;border-radius:50%;background:repeating-radial-gradient(circle,rgba(23,129,196,.3) 0 1px,transparent 1px 26px)}
.cta-band > *{position:relative}
.cta-band h2{color:#fff;max-width:720px;margin:0 auto .4em}
.cta-band p{color:var(--text-invert);max-width:600px;margin:0 auto 22px}
.cta-band .btn-row{justify-content:center}
.cta-band .note{font-size:.84rem;color:var(--muted-invert);margin:14px auto 0}

/* 10.10 Case — câu chuyện khách hàng */
.case{display:flex;flex-direction:column;gap:10px}
.case .case-meta{display:flex;flex-wrap:wrap;gap:6px}
.case .case-meta span{font:600 .78rem var(--b-font);color:var(--primary-dark);background:var(--surface);border-radius:6px;padding:3px 8px}
.case h3{margin:4px 0 0}

/* 10.11 Form — style hộp đặt trên wrapper .form-card, KHÔNG đặt lên <form> */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 20px;box-shadow:var(--shadow-md)}
.form-card h2,.form-card h3{margin-bottom:6px}
.form-card .form-intro{color:var(--gray);font-size:.94rem;margin-bottom:18px}
.form-grid{display:grid;gap:14px;grid-template-columns:1fr}
.field label,.field .field-label{display:block;font:600 .88rem var(--b-font);color:var(--primary-dark);margin-bottom:6px}
.field .req{color:var(--err)}
.field input,.field select,.field textarea{width:100%;min-height:46px;padding:10px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:96px;height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,129,196,.15)}
.field--full{grid-column:1/-1}
.choice-group{display:flex;flex-wrap:wrap;gap:8px}
.choice{position:relative}
.choice input{position:absolute;opacity:0;pointer-events:none}
.choice span{display:inline-flex;align-items:center;min-height:38px;padding:6px 14px;border:1.5px solid var(--line);border-radius:999px;font-size:.9rem;cursor:pointer;transition:.2s;background:#fff}
.choice input:checked + span{border-color:var(--primary);background:var(--surface);color:var(--primary-dark);font-weight:600}
.choice input:focus-visible + span{outline:2px solid var(--primary);outline-offset:2px}
.form-note{font-size:.82rem;color:var(--gray);margin:12px 0 0}
.form-success{text-align:center;padding:24px 8px}
.form-success .ic{margin:0 auto 12px;background:#E6F4EC;color:var(--ok)}

/* 10.12 Blog — class core WP */
.posts{display:grid;gap:20px;grid-template-columns:1fr}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .25s,transform .25s}
.post:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.post .post-thumbnail{display:block;aspect-ratio:16/9;background:var(--surface)}
.post .post-thumbnail img{width:100%;height:100%;object-fit:cover}
.post .post-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.post .entry-title{font-size:1.1rem;margin:0}
.post .entry-title a{color:var(--primary-dark)}
.post .entry-title a:hover{color:var(--primary)}
.post .entry-summary{color:var(--gray);font-size:.93rem}
.post .entry-summary p{margin:0}
.entry-meta{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:.82rem;color:var(--gray)}
.entry-meta .cat-links a{font-weight:600;color:var(--primary-text)}
.ph{width:100%;height:100%;display:grid;place-items:center;background:linear-gradient(135deg,var(--surface) 0%,#DCEEF9 100%);color:var(--primary);font:700 .8rem var(--h-font);letter-spacing:.14em;text-transform:uppercase}

/* Nội dung bài viết / trang tự do — chịu được markup Elementor */
.entry-content{max-width:820px;margin:0 auto;font-size:1.04rem;line-height:1.75}
.entry-content h2{font-size:clamp(1.35rem,4.4vw,1.75rem);margin:1.6em 0 .6em}
.entry-content h3{font-size:1.2rem;margin:1.4em 0 .5em}
.entry-content ul,.entry-content ol{margin:0 0 1.2em;padding-left:1.4em}
.entry-content ul{list-style:disc}
.entry-content ol{list-style:decimal}
.entry-content li{margin-bottom:.4em}
.entry-content blockquote{margin:1.4em 0;padding:14px 20px;border-left:4px solid var(--primary);background:var(--surface);border-radius:0 10px 10px 0;color:var(--primary-dark)}
.entry-content table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:.95rem}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.entry-content th{background:var(--primary-dark);color:#fff;font-family:var(--h-font)}
.entry-content figure{margin:0 0 1.4em}
.entry-content figcaption{font-size:.85rem;color:var(--gray);margin-top:6px;text-align:center}

/* Phân trang — class lõi WP (.page-numbers) chỉ dùng cho phân trang */
.pagination{margin-top:36px}
.pagination .nav-links{display:flex;flex-wrap:wrap;justify-content:center;gap:6px}
.pagination .page-numbers{min-width:42px;height:42px;display:grid;place-items:center;padding:0 12px;border:1px solid var(--line);border-radius:10px;font-weight:600;color:var(--ink);background:#fff}
.pagination .page-numbers.current{background:var(--primary);border-color:var(--primary);color:#fff}
.pagination a.page-numbers:hover{border-color:var(--primary);color:var(--primary)}

/* ---------- 11. SCALE-UP: TABLET ≥681px ---------- */
@media(min-width:681px){
  :root{--gutter:24px;--sec-y:72px;--grid-gap:20px;--hero-y:56px}
  .grid--2,.grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .footer-brand{grid-column:auto}
  .form-grid{grid-template-columns:1fr 1fr}
  .form-card{padding:32px 30px}
  .posts{grid-template-columns:repeat(2,1fr)}
  .plans{grid-template-columns:repeat(2,1fr)}
  .flow{flex-direction:row;align-items:center;flex-wrap:wrap;justify-content:center}
  .flow-arrow{width:18px;height:2px}
  .flow-arrow::after{left:auto;right:-2px;bottom:-4px;border:5px solid transparent;border-left-color:var(--gray);border-right:0}
  .flow--vertical{flex-direction:column;align-items:stretch;flex-wrap:nowrap;max-width:380px}
  .flow--vertical .flow-arrow{width:2px;height:14px}
  .flow--vertical .flow-arrow::after{left:-4px;right:auto;bottom:-2px;border:5px solid transparent;border-top-color:var(--gray);border-bottom:0}
  .cta-band{padding:56px 40px}
  .breadcrumbs--light{padding:18px 0}
  .addon-list li{flex-direction:row;justify-content:space-between;gap:16px}
  .addon-list b{text-align:right;white-space:nowrap}
}

/* ---------- 11b. SCALE-UP: DESKTOP ≥1025px ---------- */
@media(min-width:1025px){
  :root{--header-h:76px;--sec-y:88px;--grid-gap:24px}
  .hamburger,.nav-mobile-actions,.sticky-cta{display:none}
  body:has(.sticky-cta) .footer-bottom{padding-bottom:18px}
  .header-actions .login-link,.header-actions .btn{display:inline-flex}
  .custom-logo{height:34px}
  .main-navigation{position:static;max-height:none;overflow:visible;background:none;border:0;box-shadow:none;padding:0;transform:none;opacity:1;visibility:visible;pointer-events:auto;flex:1;display:flex;justify-content:center}
  .main-navigation .menu{flex-direction:row;align-items:center;gap:2px}
  .main-navigation .menu > li{position:relative;border-bottom:0}
  .main-navigation .menu > li > a{padding:10px 12px;font-size:.95rem}
  .main-navigation .sub-menu{display:block;position:absolute;top:100%;left:-8px;min-width:300px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:10px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s}
  .main-navigation .menu-item-has-children:hover > .sub-menu,
  .main-navigation .menu-item-has-children:focus-within > .sub-menu{opacity:1;visibility:visible;transform:none}
  .main-navigation .sub-menu a{padding:10px 12px;border-radius:8px}
  .main-navigation .sub-menu a:hover{background:var(--surface)}
  .grid--3{grid-template-columns:repeat(3,1fr)}
  .grid--4{grid-template-columns:repeat(4,1fr)}
  .split{grid-template-columns:1fr 1fr;gap:56px}
  .split--reverse > :first-child{order:2}
  .flow--nowrap{flex-wrap:nowrap}
  .plans{grid-template-columns:repeat(3,1fr)}
  .posts{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.3fr}
  .footer-bottom .container{flex-direction:row;justify-content:space-between;text-align:left}
}

/* ---------- 11c. SCALE-UP: DESKTOP RỘNG ≥1181px ---------- */
@media(min-width:1181px){
  .main-navigation .menu > li > a{padding:10px 16px}
}