/*
Theme Name: BlueCS 2026
Theme URI: https://bluecs.vn
Author: BlueCS
Description: Theme nhẹ cho trang chủ bluecs.vn — thay Avada. Không phụ thuộc page builder,
  không jQuery, không ảnh stock. Toàn bộ nội dung nằm trong front-page.php (sửa chữ ở đó).
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 8.0
License: Proprietary
Text Domain: bluecs
*/

/* ===== FONT — self-host, subset vietnamese + latin ===== */
@font-face{
  font-family:"Be Vietnam Pro";font-style:normal;font-weight:400;font-display:swap;
  src:url("assets/fonts/be-vietnam-pro-400-latin.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face{
  font-family:"Be Vietnam Pro";font-style:normal;font-weight:400;font-display:swap;
  src:url("assets/fonts/be-vietnam-pro-400-vietnamese.woff2") format("woff2");
  unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
@font-face{
  font-family:"Be Vietnam Pro";font-style:normal;font-weight:500;font-display:swap;
  src:url("assets/fonts/be-vietnam-pro-500-latin.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face{
  font-family:"Be Vietnam Pro";font-style:normal;font-weight:500;font-display:swap;
  src:url("assets/fonts/be-vietnam-pro-500-vietnamese.woff2") format("woff2");
  unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
@font-face{
  font-family:"Be Vietnam Pro";font-style:normal;font-weight:600;font-display:swap;
  src:url("assets/fonts/be-vietnam-pro-600-latin.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face{
  font-family:"Be Vietnam Pro";font-style:normal;font-weight:600;font-display:swap;
  src:url("assets/fonts/be-vietnam-pro-600-vietnamese.woff2") format("woff2");
  unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
@font-face{
  font-family:"Be Vietnam Pro";font-style:normal;font-weight:700;font-display:swap;
  src:url("assets/fonts/be-vietnam-pro-700-latin.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face{
  font-family:"Be Vietnam Pro";font-style:normal;font-weight:700;font-display:swap;
  src:url("assets/fonts/be-vietnam-pro-700-vietnamese.woff2") format("woff2");
  unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

/* ============================================================
   BlueCS — prototype trang chủ 2026
   Hệ thống thiết kế: token → base → component → responsive
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root{
  /* màu */
  --ink:#0B1220;
  --ink-2:#1E293B;
  --body:#475569;
  --muted:#64748B;
  --line:#E6E8EC;
  --line-2:#EEF1F5;
  --surface:#F7F8FA;
  --surface-2:#F1F4F8;
  --white:#fff;

  --blue-700:#1444B8;
  --blue-600:#1B57E0;
  --blue-100:#DCE7FB;
  --blue-50:#EEF3FF;

  --navy:#0A1F44;
  --navy-2:#071630;

  --cta:#CC4409;
  --cta-hover:#AE3A07;
  --zalo:#0068FF;

  --ok:#0E9F6E;
  --ok-50:#EAF8F2;
  --ok-line:#BCE8D6;
  --warn:#B45309;
  --warn-50:#FDF4E7;

  /* chữ */
  --font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --fs-h1:clamp(1.9rem,1.2rem + 2.2vw,2.85rem);
  --fs-h2:clamp(1.65rem,1.2rem + 1.9vw,2.55rem);
  --fs-h3:clamp(1.1rem,1.02rem + .4vw,1.3rem);
  --fs-body:1.0625rem;

  /* hình khối */
  --r-sm:10px;
  --r:16px;
  --r-lg:24px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(11,18,32,.05);
  --sh-2:0 4px 16px -4px rgba(11,18,32,.10),0 1px 2px rgba(11,18,32,.04);
  --sh-3:0 28px 60px -28px rgba(11,18,32,.30),0 2px 8px rgba(11,18,32,.05);

  --container:1160px;
  --gutter:24px;
  --section-y:clamp(52px,5.6vw,82px);
  --header-h:76px;
}

/* ---------- 2. RESET ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:var(--fs-body);line-height:1.65;
  color:var(--body);background:var(--white);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-600);text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.16;letter-spacing:-.022em;font-weight:700;text-wrap:balance}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:3px solid var(--blue-600);outline-offset:2px;border-radius:4px}

.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--ink);color:#fff;padding:12px 18px;border-radius:0 0 var(--r-sm) 0}
.skip:focus{left:0}

/* ---------- 3. LAYOUT ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.container--narrow{max-width:860px}
.section{padding-block:var(--section-y)}
.section--surface{background:var(--surface)}

.section__head{max-width:760px;margin-bottom:clamp(28px,3.4vw,44px)}
.section__head--tight{margin-bottom:clamp(20px,2.4vw,28px)}
.section--tight{padding-block:clamp(40px,4.4vw,60px)}
.section__head--center{margin-inline:auto;text-align:center}
.section__head h2{font-size:var(--fs-h2);margin-bottom:14px}
.section__lead{font-size:1.0625rem;color:var(--body);max-width:66ch}
.section__head--center .section__lead{margin-inline:auto}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--blue-600);margin:0 0 14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px}
.eyebrow--light{color:#8FB4FF}

/* ---------- 4. BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-weight:600;font-size:.95rem;line-height:1;border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn--sm{min-height:38px;padding:0 16px;font-size:.875rem}
.btn--lg{min-height:52px;padding:0 28px;font-size:1rem}
.btn--block{width:100%}

.btn--cta{background:var(--cta);color:#fff;box-shadow:0 10px 24px -14px rgba(204,68,9,.85)}
.btn--cta:hover{background:var(--cta-hover);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(204,68,9,.9)}

.btn--ghost{border-color:rgba(255,255,255,.28);color:#fff;background:transparent}
.btn--ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.5)}

.btn--ghost-dark{border-color:var(--line);color:var(--ink);background:#fff}
.btn--ghost-dark:hover{border-color:#C9CFD8;background:#F8FAFC}

.btn--zalo{background:var(--zalo);color:#fff}
.btn--zalo:hover{background:#0057D6}

/* ---------- 5. HEADER ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  color:#fff;transition:background-color .25s ease,box-shadow .25s ease,color .25s ease;
}
.header__inner{display:flex;align-items:center;gap:32px;height:var(--header-h)}
.logo img{width:120px;height:auto}
.site-header .logo img{filter:brightness(0) invert(1);transition:filter .25s ease}

.nav{display:flex;gap:28px;margin-left:auto}
.nav a{color:rgba(255,255,255,.82);font-size:.925rem;font-weight:500;transition:color .15s}
.nav a:hover{color:#fff}

.header__actions{display:flex;align-items:center;gap:18px}
.header__phone{display:inline-flex;align-items:center;gap:7px;color:#fff;font-weight:600;font-size:.925rem}
.header__phone:hover{color:#BBD0FF}
.nav-toggle{display:none;background:none;border:0;padding:8px;width:44px;height:44px}
.nav-toggle span{display:block;width:22px;height:2px;background:currentColor;margin:5px auto;border-radius:2px;transition:transform .2s}

.site-header.is-stuck{background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(12px);color:var(--ink);box-shadow:0 1px 0 var(--line),0 8px 24px -20px rgba(11,18,32,.5)}
.site-header.is-stuck .logo img{filter:none}
.site-header.is-stuck .nav a{color:var(--body)}
.site-header.is-stuck .nav a:hover{color:var(--blue-600)}
.site-header.is-stuck .header__phone{color:var(--ink)}
.site-header.is-stuck .header__phone:hover{color:var(--blue-600)}

/* ---------- 6. HERO ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(158deg,var(--navy) 0%,var(--navy-2) 62%,#05101F 100%);
  padding:calc(var(--header-h) + clamp(48px,7vw,92px)) 0 clamp(56px,7vw,96px);
}
.hero__bg{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(680px 420px at 12% -10%,rgba(27,87,224,.42),transparent 70%),
    radial-gradient(560px 380px at 92% 8%,rgba(63,124,255,.22),transparent 72%);
}
.hero__bg::after{
  content:"";position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%);
}
.hero__grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(32px,4.4vw,64px);align-items:center}
.hero__copy h1{font-size:var(--fs-h1);line-height:1.1;color:#fff;letter-spacing:-.03em;margin-bottom:20px}
.hero__copy h1 .hl{color:#9CBCFF}
.hero__sub{font-size:clamp(.98rem,.94rem + .28vw,1.08rem);line-height:1.62;color:rgba(255,255,255,.78);max-width:52ch;margin-bottom:28px}
.hero__sub strong{color:#fff;font-weight:600}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.hero__trust{list-style:none;display:grid;gap:10px;font-size:.9rem;color:rgba(255,255,255,.72)}
.hero__trust li{display:flex;gap:10px;align-items:flex-start}
.tick{color:#6FE3B4;font-weight:700;line-height:1.5}

.hero__visual{position:relative;display:flex;justify-content:center}

/* khung chat */
.chat{
  width:100%;max-width:452px;background:#fff;border-radius:var(--r-lg);
  box-shadow:var(--sh-3);overflow:hidden;color:var(--ink);
}
.chat__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line-2);background:#fff}
.chat__who{display:flex;align-items:center;gap:10px}
.chat__who b{display:block;font-size:.9rem;color:var(--ink);line-height:1.3}
.chat__who small{display:block;font-size:.72rem;color:var(--muted)}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--blue-50);color:var(--blue-700);display:grid;place-items:center;font-size:.72rem;font-weight:700}
.chat__status{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:600;color:var(--ok);background:var(--ok-50);padding:5px 10px;border-radius:var(--r-pill)}
.chat__status i{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block}
.chat__body{display:flex;flex-direction:column;gap:9px;padding:18px;background:#F5F8FD}
.msg{max-width:80%;padding:10px 14px;border-radius:16px;font-size:.86rem;line-height:1.5}
.msg p{margin:0}
.msg time{display:block;font-size:.66rem;opacity:.55;margin-top:4px;text-align:right}
.msg--in{align-self:flex-start;background:#fff;border:1px solid var(--line-2);border-bottom-left-radius:6px;color:var(--ink-2)}
.msg--out{align-self:flex-end;background:var(--blue-600);color:#fff;border-bottom-right-radius:6px}
.chat__foot{display:flex;align-items:center;gap:8px;padding:12px 18px;background:#fff;border-top:1px solid var(--line-2);font-size:.78rem;color:var(--body)}
.chat__foot b{color:var(--ink)}
.bolt{color:#F59E0B}

.float{
  position:absolute;background:#fff;border-radius:14px;padding:12px 16px;
  box-shadow:var(--sh-3);display:grid;gap:1px;min-width:150px;
}
.float strong{font-size:1.02rem;color:var(--ink);letter-spacing:-.02em}
.float span{font-size:.72rem;color:var(--muted);line-height:1.35}
.float--1{bottom:-34px;right:-4px;top:auto}
.float--2{display:none}

/* ---------- 7. PROOF ---------- */
.proof{border-bottom:1px solid var(--line);background:#fff}
.proof__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.proof__item{padding:30px 26px;border-left:1px solid var(--line)}
.proof__item:first-child{border-left:0;padding-left:0}
.proof__item strong{display:block;font-size:clamp(1.5rem,1.2rem + .9vw,2rem);color:var(--ink);letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.1}
.proof__item span{display:block;font-size:.9rem;color:var(--ink-2);font-weight:600;margin-top:2px}
.proof__item small{display:block;font-size:.78rem;color:var(--muted);margin-top:6px;line-height:1.45}

/* ---------- 8. MOMENTS ---------- */
.moments{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:clamp(36px,4vw,56px)}
.moment{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px 24px;background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.moment:hover{border-color:#CFD8E6;box-shadow:var(--sh-2);transform:translateY(-2px)}
.moment__time{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.04em;
  color:var(--blue-700);background:var(--blue-50);padding:4px 10px;border-radius:8px;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.moment h3{font-size:1.075rem;line-height:1.4;margin-bottom:10px;letter-spacing:-.015em}
.moment p{font-size:.925rem;color:var(--body)}
.moment__cost{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);font-size:.86rem;color:var(--ink-2);font-weight:500}

/* biểu đồ phủ giờ */
.coverage__chart{min-height:236px}
.coverage{border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;background:#fff;margin-bottom:clamp(36px,4vw,56px)}
.coverage__head{display:flex;justify-content:space-between;align-items:baseline;gap:24px;flex-wrap:wrap;margin-bottom:22px}
.coverage__head h3{font-size:1.02rem;font-weight:600}
.legend{list-style:none;display:flex;gap:18px;flex-wrap:wrap;font-size:.78rem;color:var(--muted)}
.legend li{display:flex;align-items:center;gap:6px}
.dot{width:10px;height:10px;border-radius:3px;display:inline-block}
.dot--in{background:var(--blue-100)}
.dot--off{background:#E9EDF2}
.dot--on{background:var(--blue-600)}

.chart{display:grid;grid-template-columns:96px 1fr;gap:12px 16px;align-items:end}
/* CJK cần cột nhãn rộng hơn: chữ Hán/Nhật không có khoảng trắng nên dễ ngắt giữa từ */
html:lang(ja) .chart,html:lang(zh) .chart{grid-template-columns:132px 1fr}
.chart__label{font-size:.74rem;color:var(--muted);text-align:right;line-height:1.3}
.chart__cells{display:grid;grid-template-columns:repeat(24,1fr);gap:3px;align-items:end}
.chart__cells--bars{height:150px}
.chart__cells--track{height:12px}
.bar{height:var(--h,0%);border-radius:3px 3px 2px 2px;background:linear-gradient(180deg,#A9C3F2,#D6E2F8)}
.bar.is-night{background:#E7EBF1}
.bar.is-peak{background:linear-gradient(180deg,#1B57E0,#5C8CF5)}
.cell{height:12px;border-radius:3px;background:#EFF2F6}
.cell.is-on{background:var(--blue-600)}
.chart__axis{grid-column:2;display:flex;justify-content:space-between;font-size:.7rem;color:var(--muted);margin-top:2px}
.coverage__note{margin-top:18px;font-size:.86rem;color:var(--body)}
.coverage__note b{color:var(--ink)}

.ladder-hint{display:none;font-size:.78rem;color:var(--muted);margin:-4px 0 22px;letter-spacing:.01em}
.ladder-hint b{color:var(--ink-2);font-weight:600}

/* ---------- 9. STATEMENT ---------- */
.statement{
  font-size:clamp(1.3rem,1.05rem + 1.1vw,1.9rem);font-weight:700;color:var(--ink);
  line-height:1.34;letter-spacing:-.025em;max-width:900px;
}
.statement span{color:var(--muted);font-weight:600}
.statement--sm{font-size:clamp(1.1rem,1rem + .5vw,1.35rem);margin-top:clamp(36px,4vw,52px)}

/* ---------- 10. INSIGHT ---------- */
.insight{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(32px,5vw,72px);align-items:center;margin-bottom:clamp(48px,6vw,80px)}
.insight__copy h2{font-size:var(--fs-h2);margin-bottom:18px}
.insight__copy p{font-size:1.0625rem;max-width:58ch}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 18px}
.chips li{font-size:.85rem;font-weight:600;color:var(--blue-700);background:#fff;border:1px solid var(--blue-100);padding:7px 14px;border-radius:var(--r-pill)}
.source{font-size:.78rem;color:var(--muted);max-width:52ch}

.ratio{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-2)}
.ratio__bar{display:flex;height:16px;border-radius:var(--r-pill);overflow:hidden;background:#E9EDF2;margin-bottom:22px}
.ratio__seg{display:block;background:var(--blue-600)}
.ratio__seg--alt{background:#C6D2E6}
.ratio__labels{display:grid;grid-template-columns:1.94fr 1fr;gap:16px}
.ratio__labels strong{display:block;font-size:clamp(1.6rem,1.3rem + 1vw,2.1rem);color:var(--ink);letter-spacing:-.03em;line-height:1}
.ratio__labels span{display:block;font-size:.8rem;color:var(--muted);margin-top:6px;line-height:1.4}
.ratio__caption{margin-top:22px;padding-top:18px;border-top:1px solid var(--line-2);font-size:.86rem;color:var(--body)}

/* thang leo thang */
.ladder-wrap{border-top:1px solid var(--line);padding-top:clamp(40px,5vw,64px)}
.ladder__title{font-size:clamp(1.25rem,1.05rem + .8vw,1.65rem);margin-bottom:8px}
.ladder__sub{font-size:.95rem;color:var(--muted);margin-bottom:28px}
.ladder{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:32px}
.ladder__step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:22px 18px 18px;display:flex;flex-direction:column;gap:6px;transition:border-color .2s,box-shadow .2s;
}
.ladder__step:hover{border-color:#CFD8E6;box-shadow:var(--sh-2)}
.ladder__n{
  position:absolute;top:-12px;left:16px;width:26px;height:26px;border-radius:50%;
  background:var(--navy);color:#fff;display:grid;place-items:center;font-size:.74rem;font-weight:700;
}
.ladder__step:nth-child(4) .ladder__n,.ladder__step:nth-child(5) .ladder__n{background:var(--cta)}
.ladder__when{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-700);margin-top:4px}
.ladder__step h4{font-size:.95rem;line-height:1.35;color:var(--ink);font-weight:600}
.ladder__step p{font-size:.82rem;color:var(--body);line-height:1.5}
.ladder__cost{
  margin-top:auto;padding-top:10px;font-size:.72rem;color:var(--muted);
  border-top:1px dashed var(--line);line-height:1.35;
}

.blocker{background:#fff;border:1px solid var(--blue-100);border-left:4px solid var(--blue-600);border-radius:var(--r);padding:26px 28px;box-shadow:var(--sh-1)}
.blocker__tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-700);background:var(--blue-50);padding:5px 12px;border-radius:var(--r-pill);margin-bottom:16px}
.blocker ul{list-style:none;display:grid;gap:10px}
.blocker li{position:relative;padding-left:26px;font-size:.94rem;color:var(--ink-2)}
.blocker li::before{content:"✓";position:absolute;left:0;top:0;color:var(--ok);font-weight:700}

/* ---------- 11. PROCESS ---------- */
.core-note{background:var(--blue-50);border-radius:var(--r-lg);padding:28px 30px;margin-bottom:clamp(36px,4vw,52px);border:1px solid var(--blue-100)}
.core-note strong{display:block;font-size:1.08rem;color:var(--ink);margin-bottom:8px;letter-spacing:-.015em}
.core-note p{font-size:.97rem;color:var(--ink-2);max-width:80ch}

.timeline{
  list-style:none;display:grid;grid-template-columns:repeat(3,1fr);
  gap:16px;margin-bottom:clamp(32px,4vw,48px);counter-reset:step;
}
.timeline li{
  counter-increment:step;position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);padding:24px 22px 22px;transition:border-color .2s,box-shadow .2s;
}
.timeline li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;top:20px;right:22px;font-size:.72rem;font-weight:700;color:#B7C1CF;
  letter-spacing:.08em;font-variant-numeric:tabular-nums;
}
.timeline li:hover{border-color:#CFD8E6;box-shadow:var(--sh-2)}
.timeline__day{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-700);background:var(--blue-50);padding:4px 10px;border-radius:var(--r-pill);margin-bottom:12px}
.timeline h3{font-size:1rem;margin-bottom:8px;padding-right:28px}
.timeline p{font-size:.88rem;color:var(--body);line-height:1.55}

.split2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.split2__col{border:1px solid var(--line);border-radius:var(--r);padding:24px 26px;background:#fff}
.split2__col--ok{border-color:var(--ok-line);background:var(--ok-50)}
.split2__col h3{font-size:1rem;margin-bottom:14px}
.split2__col ul{list-style:none;display:grid;gap:9px}
.split2__col li{position:relative;padding-left:24px;font-size:.92rem;color:var(--ink-2)}
.split2__col li::before{content:"—";position:absolute;left:0;color:var(--muted)}

/* ---------- 12. SCOPE ---------- */
.scope{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.scope__col{border-radius:var(--r-lg);padding:30px;border:1px solid var(--line);background:#fff}
.scope__col--yes{border-color:var(--ok-line);background:linear-gradient(180deg,var(--ok-50),#fff 60%)}
.scope__col--no{background:#fff}
.scope__head{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.scope__head h3{font-size:1.12rem}
.scope__icon{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:.9rem;font-weight:700;flex:none}
.scope__col--yes .scope__icon{background:var(--ok);color:#fff}
.scope__col--no .scope__icon{background:#F1F4F8;color:var(--muted);border:1px solid var(--line)}
.scope ul{list-style:none;display:grid;gap:12px}
.scope li{position:relative;padding-left:26px;font-size:.95rem;color:var(--ink-2);line-height:1.55}
.scope__col--yes li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
.scope__col--no li::before{content:"✕";position:absolute;left:0;color:#9AA4B2;font-weight:700;font-size:.85rem}
.scope__note{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:.86rem;color:var(--muted);font-style:italic}

/* ---------- 13. PRICING ---------- */
.pricing__tables{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:28px}
.ptable{width:100%;border-collapse:collapse;font-size:.9rem;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.ptable th{
  text-align:left;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);
  font-weight:600;padding:12px 16px;background:var(--surface);border-bottom:1px solid var(--line);
}
.ptable th:last-child,.ptable td:last-child{text-align:right}
.ptable td{padding:11px 16px;border-bottom:1px solid var(--line-2);color:var(--ink-2);font-variant-numeric:tabular-nums}
.ptable tbody tr:nth-child(even){background:#FCFDFE}
.ptable tbody tr:last-child td{border-bottom:0}
.ptable tbody td:nth-child(2){font-weight:600;color:var(--ink)}
.ptable__more td{font-size:.78rem!important;color:var(--muted)!important;font-weight:500!important;text-align:left!important}


.pricing__notes{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:clamp(36px,4vw,52px)}
.note{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px 26px}
.note h3{font-size:.98rem;margin-bottom:14px}
.note dl{display:grid;gap:10px;margin:0 0 14px}
.note dl div{display:flex;justify-content:space-between;gap:16px;font-size:.88rem}
.note dt{color:var(--ink-2)}
.note dd{margin:0;color:var(--ink);font-weight:600;white-space:nowrap;font-variant-numeric:tabular-nums}
.note p{font-size:.8rem;color:var(--muted)}
.note ul{list-style:none;display:grid;gap:8px}
.note li{position:relative;padding-left:18px;font-size:.86rem;color:var(--body);line-height:1.5}
.note li::before{content:"·";position:absolute;left:4px;color:var(--muted);font-weight:700}

.compare{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;margin-bottom:22px;background:#fff}
.compare__card{padding:28px 26px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:6px}
.compare__card:first-child{border-left:0}
.compare__label{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}
.compare__card strong{font-size:clamp(1.5rem,1.25rem + .8vw,1.95rem);color:var(--ink);letter-spacing:-.03em;line-height:1.1;font-variant-numeric:tabular-nums}
.compare__card strong span{font-size:.8rem;font-weight:500;color:var(--muted);letter-spacing:0}
.compare__card small{font-size:.78rem;color:var(--muted)}
.compare__card--hl{background:var(--navy);color:#fff}
.compare__card--hl .compare__label{color:#8FB4FF}
.compare__card--hl strong{color:#fff}
.compare__card--hl strong span,.compare__card--hl small{color:rgba(255,255,255,.65)}
.compare__card--delta strong{color:var(--ok)}
.compare__card--delta{background:var(--ok-50)}

.pricing__line{font-size:1rem;color:var(--ink-2);max-width:70ch;margin-bottom:18px}
.fineprint{font-size:.76rem;color:var(--muted);max-width:85ch;line-height:1.6}

/* ---------- 14. GUARANTEES / RISKS ---------- */
.guarantees{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:clamp(36px,4vw,52px)}
.guarantee{border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;background:#fff;transition:box-shadow .2s,border-color .2s}
.guarantee:hover{border-color:#CFD8E6;box-shadow:var(--sh-2)}
.guarantee__num{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-700);background:var(--blue-50);padding:5px 12px;border-radius:var(--r-pill);margin-bottom:14px}
.guarantee h3{font-size:1.02rem;margin-bottom:8px}
.guarantee p{font-size:.92rem;color:var(--body)}

.risks{margin-bottom:clamp(36px,4vw,52px)}
.risks h3{font-size:1.05rem;margin-bottom:16px}
.rtable{width:100%;border-collapse:collapse;font-size:.92rem;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.rtable th{text-align:left;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600;padding:12px 18px;background:var(--surface);border-bottom:1px solid var(--line)}
.rtable th:first-child{width:34%}
.rtable td{padding:14px 18px;border-bottom:1px solid var(--line-2);vertical-align:top;font-size:.9rem}
.rtable tbody tr:last-child td{border-bottom:0}
.rtable td:first-child{color:var(--ink);font-weight:600}
.rtable td:last-child{color:var(--body)}

.nopromise{display:grid;grid-template-columns:1fr 1fr;border-radius:var(--r-lg);overflow:hidden;background:var(--navy)}
.nopromise__col{padding:clamp(28px,3.4vw,40px);color:rgba(255,255,255,.78)}
.nopromise__col--alt{background:rgba(255,255,255,.06)}
.nopromise__tag{display:inline-block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:#8FB4FF;margin-bottom:14px}
.nopromise p{font-size:1.02rem;line-height:1.6}
.nopromise strong{color:#fff}

/* ---------- 15. PARTNERS / VALUES ---------- */
.logos{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:12px}
.logo-tile{
  border:1px dashed #D3DAE5;border-radius:var(--r);background:#fff;
  min-height:80px;display:grid;place-content:center;gap:4px;text-align:center;
  color:#8895A7;transition:border-color .2s,color .2s,background .2s;
}
.logo-tile:hover{border-color:#B9C4D4;color:var(--ink-2);background:var(--surface)}
.logo-tile span{font-size:1rem;font-weight:700;letter-spacing:.06em}
.logo-tile small{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase}
.logos__note{font-size:.76rem;color:var(--muted);text-align:center;margin-bottom:clamp(36px,4vw,52px)}



/* ---------- 16. LEAD ---------- */
.section--navy{position:relative;background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;overflow:hidden}
.section--navy::before{content:"";position:absolute;inset:0;background:radial-gradient(620px 380px at 88% 0%,rgba(27,87,224,.35),transparent 70%);pointer-events:none}
.lead{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px);align-items:start}
.lead__copy h2{font-size:clamp(1.5rem,1.15rem + 1.5vw,2.15rem);color:#fff;margin-bottom:18px}
.lead__copy > p{color:rgba(255,255,255,.72);font-size:1rem;max-width:52ch;margin-bottom:28px}
.outputs{display:grid;gap:14px}
.outputs div{border-left:2px solid rgba(143,180,255,.5);padding-left:16px}
.outputs strong{display:block;font-size:.95rem;color:#fff;margin-bottom:2px}
.outputs span{font-size:.86rem;color:rgba(255,255,255,.64);line-height:1.5}

.form-card{background:#fff;border-radius:var(--r-lg);padding:clamp(24px,3vw,32px);box-shadow:var(--sh-3);color:var(--ink)}
.form-card h3{font-size:1.15rem;margin-bottom:20px}
.field{margin:0 0 16px;padding:0;border:0}
.field label,.field legend{display:block;font-size:.82rem;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field label span,.field legend span{color:var(--cta)}
.field .opt{font-weight:400;color:var(--muted)}
.field input[type=text],.field input[type=tel],.field select{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  font-family:inherit;font-size:.95rem;color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s;
}
.field input::placeholder{color:#A8B2C1}
.field input:focus,.field select:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 3px rgba(27,87,224,.14)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}

.chips-input{display:flex;flex-wrap:wrap;gap:8px}
.chips-input label{position:relative;margin:0}
.chips-input input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.chips-input span{
  display:inline-flex;align-items:center;min-height:38px;padding:0 15px;border:1px solid var(--line);
  border-radius:var(--r-pill);font-size:.86rem;font-weight:500;color:var(--ink-2);background:#fff;
  transition:all .15s ease;
}
.chips-input input:hover + span{border-color:#C3CDDB}
.chips-input input:checked + span{background:var(--blue-600);border-color:var(--blue-600);color:#fff}
.chips-input input:focus-visible + span{outline:3px solid var(--blue-600);outline-offset:2px}

.form-note{font-size:.74rem;color:var(--muted);margin-top:12px;line-height:1.55}
.form-note a{color:var(--blue-600);text-decoration:underline}
.form-alt{font-size:.8rem;color:var(--muted);margin-top:14px;text-align:center}
.form-alt a{font-weight:600;color:var(--blue-600)}

.form-success{text-align:center;padding:24px 8px}
.form-success__icon{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--ok-50);color:var(--ok);font-size:1.35rem;font-weight:700;margin:0 auto 16px}
.form-success h4{font-size:1.1rem;margin-bottom:8px}
.form-success p{font-size:.92rem;color:var(--body)}

/* ---------- 17. FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 44px 18px 0;position:relative;
  font-size:1rem;font-weight:600;color:var(--ink);line-height:1.45;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq summary:hover{color:var(--blue-700)}
.faq p{padding:0 44px 20px 0;font-size:.95rem;color:var(--body);margin:0}

.faq-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-top:40px;padding:26px 30px;background:var(--surface);border-radius:var(--r-lg)}
.faq-cta p{font-size:.92rem;color:var(--body);max-width:60ch;margin:0}

/* ---------- 18. FOOTER ---------- */
.footer{background:var(--navy-2);color:rgba(255,255,255,.66);padding-block:clamp(48px,5.2vw,72px) 28px}
.footer__cta{max-width:680px;margin-bottom:clamp(36px,4vw,52px)}
.footer__cta h2{font-size:clamp(1.6rem,1.2rem + 1.6vw,2.35rem);color:#fff;margin-bottom:14px}
.footer__cta h2 span{color:#8FB4FF}
.footer__cta p{font-size:.98rem;max-width:56ch;margin-bottom:26px}
.footer__actions{display:flex;flex-wrap:wrap;gap:12px}

.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;padding-top:36px;border-top:1px solid rgba(255,255,255,.1)}
.footer__brand p{font-size:.84rem;line-height:1.6;margin-top:14px}
.footer__brand strong{color:#fff}
.logo--light{filter:brightness(0) invert(1);width:120px}
.footer__grid h3{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:14px;font-weight:600}
.footer__grid ul{list-style:none;display:grid;gap:9px}
.footer__grid a{color:rgba(255,255,255,.72);font-size:.88rem}
.footer__grid a:hover{color:#fff}

.footer__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:.78rem}
.footer__bottom a{color:rgba(255,255,255,.8)}

/* ---------- 19. MOBILE BAR ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;display:none;gap:10px;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);
  transform:translateY(110%);transition:transform .25s ease;
}
.mobile-bar.is-visible{transform:translateY(0)}
.mobile-bar .btn{flex:1}

/* ---------- 20. REVEAL ---------- */
html.no-js [data-reveal],[data-reveal].is-in{opacity:1;transform:none}
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 21. RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero__grid{grid-template-columns:1fr;gap:56px}
  .hero__visual{order:2}
  .float--1{right:0}
  .float--2{left:0}
  .insight{grid-template-columns:1fr;gap:36px}
  .lead{grid-template-columns:1fr;gap:40px}
  .pricing__tables{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .compare__card{border-left:0;border-top:1px solid var(--line)}
  .compare__card:first-child{border-top:0}
  .footer__grid{grid-template-columns:1fr 1fr}
}

@media (max-width:860px){
  :root{--header-h:68px}
  .nav{
    position:fixed;inset:var(--header-h) 0 auto 0;background:#fff;color:var(--ink);
    flex-direction:column;gap:0;padding:8px 20px 20px;margin:0;
    box-shadow:0 16px 32px -24px rgba(11,18,32,.6);
    transform:translateY(-120%);transition:transform .25s ease;pointer-events:none;
  }
  .nav a{color:var(--ink)!important;padding:14px 0;border-bottom:1px solid var(--line);font-size:1rem}
  .nav.is-open{transform:translateY(0);pointer-events:auto}
  .nav-toggle{display:block}
  .header__phone{display:none}
  .site-header.is-stuck .nav-toggle{color:var(--ink)}

  .proof__grid{grid-template-columns:1fr 1fr}
  .proof__item{padding:24px 20px}
  .proof__item:nth-child(odd){border-left:0;padding-left:0}
  .proof__item:nth-child(3),.proof__item:nth-child(4){border-top:1px solid var(--line)}

  .moments{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .ladder{
    display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;
    margin-inline:calc(var(--gutter) * -1);padding:4px var(--gutter) 14px;
    -webkit-overflow-scrolling:touch;scrollbar-width:thin;
  }
  .ladder__step{flex:0 0 78%;scroll-snap-align:start}
  .ladder-hint{display:block}
  .timeline{grid-template-columns:1fr 1fr}
  .ladder__step{padding:20px 18px 18px}
  .scope{grid-template-columns:1fr}
  .guarantees{grid-template-columns:1fr;gap:12px}
  .guarantee{padding:22px}
  .pricing__notes{grid-template-columns:1fr}
  .split2{grid-template-columns:1fr}
  .nopromise{grid-template-columns:1fr}
  .logos{grid-template-columns:1fr 1fr}
  .values{grid-template-columns:1fr;gap:20px}
  .form-row{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .faq-cta{flex-direction:column;align-items:flex-start}

  .chart{grid-template-columns:70px 1fr}
  .chart__cells--bars{height:120px}
  .coverage__chart{min-height:196px}
  .coverage{padding:20px}
  .coverage__head{gap:12px}

  .footer__grid{grid-template-columns:1fr 1fr;gap:24px}
  .mobile-bar{display:flex}
  .footer{padding-bottom:96px}

  .rtable thead{display:none}
  .rtable,.rtable tbody,.rtable tr,.rtable td{display:block;width:100%}
  .rtable tr{border-bottom:1px solid var(--line);padding:14px 16px}
  .rtable tr:last-child{border-bottom:0}
  .rtable td{border:0;padding:0}
  .rtable td:first-child{margin-bottom:4px}
  .rtable td:last-child{font-size:.86rem;color:var(--body)}
}

@media (max-width:560px){
  :root{--gutter:18px}
  .hero{padding-top:calc(var(--header-h) + 36px)}
  .hero__copy h1{margin-bottom:16px}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%}
  .float{display:none}
  .proof__grid{grid-template-columns:1fr}
  .proof__item{border-left:0!important;padding-left:0!important;border-top:1px solid var(--line)}
  .proof__item:first-child{border-top:0}
  .chart{grid-template-columns:1fr;gap:6px}
  .chart__label{text-align:left}
  .chart__axis{grid-column:1}
  .ratio__labels{grid-template-columns:1fr;gap:10px}
  .footer__grid{grid-template-columns:1fr}
  .footer__actions .btn{width:100%}
  .logos{grid-template-columns:1fr}
    .timeline{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  [data-reveal]{opacity:1;transform:none}
}

@media print{
  .site-header,.mobile-bar,.hero__bg{display:none}
  body{color:#000}
}

/* ---------- 22. WORDPRESS / ADMIN BAR ---------- */
body.admin-bar .site-header{top:32px}
@media screen and (max-width:782px){body.admin-bar .site-header{top:46px}}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
.bc-notice{max-width:var(--container);margin:0 auto;padding:14px 18px;border-radius:var(--r);font-size:.92rem}
.bc-notice--ok{background:var(--ok-50);border:1px solid var(--ok-line);color:#065F46}
.bc-notice--err{background:#FEF2F2;border:1px solid #FECACA;color:#991B1B}

/* sửa nhỏ so với prototype: form native, không cần JS để gửi */
.field input[type=text],.field input[type=tel],.field select{appearance:none}
.field select{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2364748B' d='M1.4.6 6 5.2 10.6.6 12 2 6 8 0 2z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
.hp-field{position:absolute!important;left:-9999px;opacity:0;pointer-events:none}
.form-error{font-size:.8rem;color:#B91C1C;margin:-8px 0 12px}

/* ---------- 23. TRANG TĨNH / 404 ---------- */
.page-title{font-size:var(--fs-h2);margin-bottom:20px}
.entry{font-size:1.0625rem;color:var(--body)}
.entry h2{margin:32px 0 12px;font-size:1.35rem}
.entry h3{margin:24px 0 10px;font-size:1.12rem}
.entry ul,.entry ol{margin:0 0 1em;padding-left:1.4em}
.entry li{margin-bottom:.4em}
.entry a{text-decoration:underline}
.entry p{margin-bottom:1em}
.stack{padding:20px 0;border-bottom:1px solid var(--line)}

/* ---------- 24. VÙNG CHẠM MOBILE (WCAG 2.5.8) ---------- */
@media (max-width:860px){
  .logo{display:inline-flex;align-items:center;min-height:44px}
  .header__actions .btn--sm{min-height:44px;padding:0 18px}
  .nav-toggle{min-width:44px;min-height:44px}
  .footer__grid ul{gap:0}
  .footer__grid a{display:block;padding:9px 0}
  .footer__grid li{line-height:1.5}
}

/* ---------- 25. BẢNG GIÁ: tóm tắt + bảng đầy đủ ---------- */
.pricing__popular{max-width:760px;margin:0 auto}
.ptable--popular{border-radius:var(--r) var(--r) 0 0;border-bottom:0}

/* thanh "Xem bảng giá đầy đủ" đọc như một dòng cuối của bảng tóm tắt:
   cùng chiều rộng, dính liền, nền giống header bảng */
.pricing__rest{
  max-width:760px;margin:0 auto;
  border:1px solid var(--line);border-top:0;
  border-radius:0 0 var(--r) var(--r);
  background:#fff;overflow:hidden;
}
.pricing__rest summary{
  list-style:none;cursor:pointer;min-height:56px;
  display:flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 22px;font-size:.95rem;font-weight:600;color:var(--blue-700);
  background:var(--surface);border-top:1px solid var(--line);
  border-radius:0 0 var(--r) var(--r);
  transition:background-color .15s ease,color .15s ease;
}
.pricing__rest summary::-webkit-details-marker{display:none}
.pricing__rest summary::after{
  content:"";width:9px;height:9px;flex:none;margin-top:-3px;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg);transition:transform .2s ease,margin .2s ease;
}
.pricing__rest summary:hover{background:#ECF1F9;color:var(--blue-600)}
.pricing__rest[open] summary{
  background:#fff;border-top:0;border-bottom:1px solid var(--line-2);
  border-radius:0;
}
.pricing__rest[open] summary::after{transform:rotate(-135deg);margin-top:3px}
.pricing__rest .pricing__tables{
  grid-template-columns:repeat(2,1fr);gap:16px;
  padding:20px 22px 22px;margin-bottom:0;
}

/* tách khối bảng giá khỏi 2 thẻ phụ thu / điều kiện */
.pricing__notes{margin-top:clamp(32px,4vw,52px)}

@media (max-width:900px){
  .pricing__popular,.pricing__rest{max-width:none}
}
@media (max-width:700px){
  .pricing__rest .pricing__tables{grid-template-columns:1fr}
}

/* ---------- 26. TRANG NỀN TRẮNG: chừa chỗ cho header cố định ---------- */
body:not(.home) main.section{padding-top:calc(var(--header-h) + clamp(28px,4vw,52px))}

/* ---------- 27. NEO TRONG TRANG: không bị header cố định che ---------- */
:target,
section[id],
main[id]{scroll-margin-top:calc(var(--header-h) + 16px)}

/* ═══════════════════════════════════════════════════════════════════════
   26b. DARK wrapper — form UniForm «Luôn tối» / «Theo hệ thống» + máy tối.
   Keyed qua :has(.uniform--theme-dark|auto): chỉ đổi biến màu + nền card,
   không đụng markup plugin. Theme light: baseline không đổi gì.
   ═══════════════════════════════════════════════════════════════════════ */
.form-card:has(.uniform--theme-dark){
  --ink:#e5e7eb; --ink-2:#e5e7eb; --muted:#9ca3af;
  background:#0B1220;
  box-shadow:0 10px 24px -18px rgba(0,0,0,.9);
}
.form-card:has(.uniform--theme-dark) h3{color:#e5e7eb}
.form-card:has(.uniform--theme-dark) .form-note,
.form-card:has(.uniform--theme-dark) .form-alt{color:#9ca3af}
.form-card:has(.uniform--theme-dark) .form-note a,
.form-card:has(.uniform--theme-dark) .form-alt a{color:#60a5fa}
.form-card:has(.uniform--theme-dark) .form-error{color:#f87171}
.form-card:has(.uniform--theme-dark) .form-success h4{color:#e5e7eb}
.form-card:has(.uniform--theme-dark) .form-success p{color:#9ca3af}

@media (prefers-color-scheme: dark){
  .form-card:has(.uniform--theme-auto){
    --ink:#e5e7eb; --ink-2:#e5e7eb; --muted:#9ca3af;
    background:#0B1220;
    box-shadow:0 10px 24px -18px rgba(0,0,0,.9);
  }
  .form-card:has(.uniform--theme-auto) h3{color:#e5e7eb}
  .form-card:has(.uniform--theme-auto) .form-note,
  .form-card:has(.uniform--theme-auto) .form-alt{color:#9ca3af}
  .form-card:has(.uniform--theme-auto) .form-note a,
  .form-card:has(.uniform--theme-auto) .form-alt a{color:#60a5fa}
  .form-card:has(.uniform--theme-auto) .form-error{color:#f87171}
  .form-card:has(.uniform--theme-auto) .form-success h4{color:#e5e7eb}
  .form-card:has(.uniform--theme-auto) .form-success p{color:#9ca3af}
}

/* ═══════════════════════════════════════════════════════════════════════
   27. CJK — ngắt dòng cho tiếng Trung / Nhật
   CJK được phép xuống dòng giữa mọi ký tự, nên tiêu đề lớn dễ rơi vào
   trạng thái dòng cuối quá ngắn. `line-break: strict` chặn ký tự cấm đầu
   dòng (。、」), `text-wrap: balance` chia đều số dòng.
   ═══════════════════════════════════════════════════════════════════════ */
html:lang(ja) h1,
html:lang(ja) h2,
html:lang(ja) h3,
html:lang(zh) h1,
html:lang(zh) h2,
html:lang(zh) h3 {
	line-break: strict;
	text-wrap: balance;
	word-break: normal;
}

/* ═══════════════════════════════════════════════════════════════════════
   28. Language switcher
   Desktop: trong header. Mobile: trong panel menu (tránh vỡ layout header hẹp).
   ═══════════════════════════════════════════════════════════════════════ */
.lang-switch{display:flex;align-items:center;gap:2px;margin-left:auto;margin-right:18px}
.lang-switch__item{
  display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:30px;padding:0 8px;
  font-size:.74rem;font-weight:600;letter-spacing:.04em;color:rgba(255,255,255,.62);
  text-decoration:none;border-radius:var(--r-pill);transition:color .15s,background .15s
}
.lang-switch__item:hover{color:#fff;background:rgba(255,255,255,.1)}
.lang-switch__item.is-active{color:#fff;background:rgba(255,255,255,.16)}
.lang-switch__item:focus-visible{outline:2px solid currentColor;outline-offset:2px}

/* Header nền trắng (is-stuck) */
.site-header.is-stuck .lang-switch__item{color:var(--muted)}
.site-header.is-stuck .lang-switch__item:hover{color:var(--blue-600);background:rgba(11,18,32,.06)}
.site-header.is-stuck .lang-switch__item.is-active{color:#fff;background:var(--blue-600)}

/* Mobile: ẩn switcher trong header, hiện trong panel menu */
.lang-switch--nav{display:none}

@media (max-width:900px){
  .lang-switch--header{display:none}
  .lang-switch--nav{
    display:flex;margin:14px 0 4px;gap:6px;justify-content:flex-start;
    padding-top:14px;border-top:1px solid var(--line)
  }
  .lang-switch--nav .lang-switch__item{
    min-width:52px;height:34px;font-size:.8rem;color:var(--body);
    background:rgba(11,18,32,.05)
  }
  .lang-switch--nav .lang-switch__item.is-active{color:#fff;background:var(--blue-600)}
}