/* ============================================================
   Imperia Green Paradise — site.css (dùng chung mọi trang)
   Bảng màu: mực biển đêm + hoàng hôn Cần Giờ + cát
   Chữ: Playfair Display (hiển thị) · Be Vietnam Pro (thân bài)
   ============================================================ */

/* ---- font tự host (sinh bởi _tools/fetch_fonts.py — ĐỪNG sửa tay) ----
   Chỉ subset vietnamese + latin. Chạy lại script nếu đổi bộ chữ. */
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:400;font-display:optional;src:url('/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:400;font-display:optional;src:url('/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:600;font-display:optional;src:url('/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:600;font-display:optional;src:url('/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:700;font-display:optional;src:url('/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}
@font-face{font-family:'Be Vietnam Pro';font-style:normal;font-weight:700;font-display:optional;src:url('/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:'Playfair Display';font-style:normal;font-weight:600;font-display:optional;src:url('/fonts/playfair-display-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:'Playfair Display';font-style:normal;font-weight:600;font-display:optional;src:url('/fonts/playfair-display-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 dự phòng khớp metric để font swap không đẩy layout (CLS) ---
   Tỉ lệ đo bằng canvas measureText (_tools/measure_font.py), KHÔNG đoán.
   Preload woff2 không cứu được CLS — nguyên nhân là fallback lệch bề rộng.
   ĐỔI FONT LÀ PHẢI CHẠY LẠI measure_font.py VÀ SỬA HAI SỐ DƯỚI ĐÂY. */
@font-face{
  font-family:'PlayfairFallback';
  src:local('Times New Roman'),local('Times');
  size-adjust:107.78%;ascent-override:96%;descent-override:22%;line-gap-override:0%;
}
@font-face{
  font-family:'BeVietnamFallback';
  src:local('Segoe UI'),local('Arial');
  size-adjust:109.96%;ascent-override:92%;descent-override:24%;line-gap-override:0%;
}

:root{
  --deep:#08283C;          /* mực biển đêm  */
  --deep-2:#0F3C57;
  --tide:#1B6C86;          /* xanh thuỷ triều */
  --lagoon:#2E97A6;
  --sun:#C8763A;           /* hoàng hôn — CHỈ dùng trang trí (viền, chấm timeline, gạch nav) */
  --sun-ink:#9E5220;       /* bản đậm cho CHỮ và nền nút. #C8763A chỉ đạt 3,4:1 với chữ trắng
                              và 2,9:1 khi làm chữ trên nền cát → fail WCAG AA. Đổi màu accent
                              là phải đo lại cả hai chiều: chữ-trên-nền-sáng và trắng-trên-nút. */
  --sun-2:#E0A45C;
  --sun-3:#F3D9B4;
  --shell:#FAF6F0;         /* cát */
  --shell-2:#F1E9DD;
  --ink:#13202B;
  --ink-soft:#42596B;
  --ink-faint:#4E6274;
  --line:#E3D9CB;
  --line-2:#D3C6B4;
  --ok:#2C7A5B;
  --wrap:1180px;
  --r:14px;
  --shadow:0 18px 46px rgba(8,40,60,.10);
  --shadow-2:0 8px 22px rgba(8,40,60,.08);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--shell);color:var(--ink);
  font-family:'Be Vietnam Pro',BeVietnamFallback,'Segoe UI',Arial,sans-serif;
  font-size:17px;line-height:1.72;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--tide)}
p{text-wrap:pretty;margin:0 0 16px}
h1,h2,h3,h4{text-wrap:balance;margin:0 0 14px;line-height:1.2}
h1,h2{font-family:'Playfair Display',PlayfairFallback,Georgia,serif;font-weight:600;letter-spacing:-.01em}
h3,h4{font-weight:700;letter-spacing:-.005em}
h1{font-size:clamp(31px,5.4vw,54px);line-height:1.1}
h2{font-size:clamp(26px,3.9vw,40px)}
h3{font-size:clamp(19px,2.1vw,23px)}
h4{font-size:17px}
ul,ol{margin:0 0 16px;padding-left:22px}
li{margin-bottom:8px}
strong{font-weight:700}
.nb{white-space:nowrap}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- nhãn mắt (eyebrow) + gạch chân trời ---------- */
.eyebrow{
  display:flex;align-items:center;gap:12px;
  font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--sun-ink);margin:0 0 14px;
}
.eyebrow::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line-2),transparent)}
.sec-deep .eyebrow{color:var(--sun-2)}
.sec-deep .eyebrow::after{background:linear-gradient(90deg,rgba(243,217,180,.4),transparent)}

/* ---------- nút ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;
  text-decoration:none;border:1.6px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease;
  white-space:nowrap;font-family:inherit;
}
.btn:hover{transform:translateY(-1px)}
.btn-sun{background:var(--sun-ink);color:#fff;box-shadow:0 10px 24px rgba(158,82,32,.3)}
.btn-sun:hover{background:#7F4414}
.btn-deep{background:var(--deep);color:#fff}
.btn-deep:hover{background:var(--deep-2)}
.btn-ghost{border-color:var(--line-2);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--sun-ink);color:var(--sun-ink)}
.btn-light{border-color:rgba(250,246,240,.5);color:#FAF6F0;background:transparent}
.btn-light:hover{background:rgba(250,246,240,.12)}
.btn svg{width:18px;height:18px;flex:none}

/* ---------- header ---------- */
header.site{
  position:sticky;top:0;z-index:60;background:rgba(250,246,240,.94);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);
}
.hdr-in{display:flex;align-items:center;gap:24px;padding:12px 20px;max-width:var(--wrap);margin:0 auto}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);flex:none}
.brand-mark{width:36px;height:36px;flex:none}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-family:'Playfair Display',PlayfairFallback,Georgia,serif;font-size:18px;font-weight:600;letter-spacing:.01em}
.brand-sub{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint);font-weight:600}
/* Menu nằm THẲNG trong header — không có thanh thứ hai.
   .anchornav = mục lục #anchor của trang chủ (có scroll-spy)
   .hdr-nav   = menu trỏ sang trang khác, dùng ở 6 trang con
   Hai class khác vai trò nhưng dùng CHUNG kiểu hiển thị dưới đây. */
.hdr-nav,.anchornav{
  display:flex;gap:2px;margin-left:auto;min-width:0;
  overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.hdr-nav::-webkit-scrollbar,.anchornav::-webkit-scrollbar{display:none}
.hdr-nav a,.anchornav a{
  color:var(--ink-soft);text-decoration:none;font-size:14px;font-weight:600;
  padding:9px 11px;white-space:nowrap;border-bottom:2.5px solid transparent;
}
.hdr-nav a:hover,.anchornav a:hover{color:var(--sun-ink)}
.anchornav a.on{color:var(--ink);border-bottom-color:var(--sun-ink)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--deep);color:#F2EDE5;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(6,30,45,.94) 0%,rgba(6,30,45,.78) 42%,rgba(6,30,45,.34) 100%);
}
.hero-in{position:relative;max-width:var(--wrap);margin:0 auto;padding:64px 20px 72px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:start}
.hero h1{color:#fff;margin-bottom:18px}
.hero-lead{font-size:18.5px;color:#D6E2E9;margin-bottom:26px;max-width:37em}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;padding:6px 15px;border-radius:999px;
  background:rgba(224,164,92,.14);border:1px solid rgba(224,164,92,.42);
  color:var(--sun-3);font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  margin-bottom:20px;
}
.hero-tag svg{width:15px;height:15px}
.hero-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r);overflow:hidden;margin-top:30px}
.hero-facts div{background:#0A2F45;padding:15px 17px}
.hero-facts dt{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:#8FAEBF;font-weight:700;margin-bottom:3px}
.hero-facts dd{margin:0;font-size:17px;font-weight:700;color:#fff}

/* thẻ form nổi */
.lead-card{background:var(--shell);color:var(--ink);border-radius:var(--r);padding:26px 24px;box-shadow:0 26px 60px rgba(0,0,0,.34)}
.lead-card h2{font-size:23px;margin-bottom:6px}
.lead-card .hint{font-size:14px;color:var(--ink-soft);margin-bottom:18px}

/* ---------- form ---------- */
.lead-form{display:grid;gap:11px}
.lead-form input,.lead-form select{
  width:100%;padding:13px 15px;border:1.5px solid var(--line-2);border-radius:11px;
  font-size:15.5px;font-family:inherit;color:var(--ink);background:#fff;
}
.lead-form input:focus,.lead-form select:focus{outline:2px solid var(--tide);outline-offset:1px;border-color:var(--tide)}
.lead-form button{width:100%}
.form-err{display:none;color:#B4362B;font-size:14px;font-weight:600;margin:0}
.form-ok{display:none;background:#E8F3EC;border:1px solid #B8DCC8;border-radius:12px;padding:18px;color:#1F5B42}
.form-ok b{display:block;font-size:17px;margin-bottom:5px}
.form-fallback{display:none;background:#FBEFE9;border:1px solid #EBC7B4;border-radius:12px;padding:18px;margin-top:14px}
.form-fallback b{display:block;color:#8E3B1C;margin-bottom:5px}
.form-fallback p{font-size:14.5px;color:var(--ink-soft);margin-bottom:12px}
.fb-btns{display:flex;gap:9px;flex-wrap:wrap}
.form-note{font-size:12.5px;color:var(--ink-faint);line-height:1.55;margin:4px 0 0}

/* ---------- section ---------- */
section{padding:74px 0;scroll-margin-top:88px}
.sec-alt{background:var(--shell-2)}
.sec-deep{background:var(--deep);color:#DFE8ED}
.sec-deep h2,.sec-deep h3{color:#fff}
.sec-deep strong{color:#fff}
.sec-deep a{color:var(--sun-3)}
.sec-deep p{color:#C6D5DE}
.sec-deep figcaption{color:#A6C1CE}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head p{font-size:18px;color:var(--ink-soft);margin-bottom:0}
.sec-deep .sec-head p{color:#BACBD5}
/* BẪY: .sec-deep tô trắng cho h2/h3/strong và tô sáng cho p — nhưng .lead-card,
   .form-ok, .form-fallback bên trong lại có NỀN SÁNG. Không trả màu tối lại thì
   tiêu đề trắng trên nền cát chỉ đạt 1,07:1. Mỗi lần thêm khối nền sáng vào
   .sec-deep phải thêm nó vào danh sách dưới. */
.sec-deep .lead-card h2,.sec-deep .lead-card h3,.sec-deep .lead-card strong,
.sec-deep .form-ok b,.sec-deep .form-fallback b{color:var(--ink)}
.sec-deep .lead-card p,.sec-deep .form-ok,.sec-deep .form-fallback p{color:var(--ink-soft)}
.sec-deep .lead-card .form-note{color:var(--ink-faint)}
.sec-deep .lead-card a,.sec-deep .form-ok a{color:var(--tide)}
.sec-deep .form-ok{color:#1F5B42}
.sec-deep .form-ok b{color:#1F5B42}
.sec-deep .form-fallback b{color:#8E3B1C}
.sec-more{margin-top:22px;font-size:15.5px;font-weight:600}
.sec-more a{color:var(--tide);text-decoration:underline;text-underline-offset:3px}
.sec-deep .sec-more a{color:var(--sun-3)}

/* ---------- lưới & thẻ ---------- */
.grid{display:grid;gap:22px}
/* BẮT BUỘC: grid item mặc định min-width:auto nên KHÔNG co được dưới min-content của
   con nó. Bảng .ledger có min-width:620px sẽ kéo cả track rộng 620px và làm tràn ngang
   trên mobile — kể cả khi bảng đã nằm trong khung cuộn. min-width:0 là chốt chặn. */
.grid>*,.split>*{min-width:0}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.split-rev>*:first-child{order:2}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;box-shadow:var(--shadow-2)}
.sec-deep .card{background:#0C3349;border-color:rgba(255,255,255,.12)}
.card h3{margin-bottom:9px}
.card p:last-child{margin-bottom:0}
.card-ico{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--shell-2);color:var(--sun-ink);margin-bottom:16px;
}
.sec-deep .card-ico{background:rgba(224,164,92,.15);color:var(--sun-2)}
.card-ico svg{width:24px;height:24px}

figure{margin:0}
figure img{border-radius:var(--r);width:100%}
figcaption{font-size:13.5px;color:var(--ink-faint);margin-top:9px;line-height:1.5}

/* ---------- sổ dữ kiện (điểm khác biệt: mọi số đều có nguồn + ngày) ---------- */
.ledger{width:100%;border-collapse:collapse;font-size:15.5px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.ledger th,.ledger td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.ledger thead th{background:var(--deep);color:#fff;font-size:12.5px;letter-spacing:.09em;text-transform:uppercase}
.ledger tbody tr:last-child td{border-bottom:0}
.ledger td:first-child{font-weight:700;width:27%}
.ledger .src{font-size:12.5px;color:var(--ink-faint);white-space:nowrap}
.tbl-scroll{overflow-x:auto;max-width:100%;border-radius:var(--r)}
.tbl-scroll .ledger{min-width:620px;border-radius:0}
.tbl-hint{font-size:12.5px;color:var(--ink-faint);margin:8px 0 0}

/* nhãn trạng thái dữ liệu */
.tag{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.04em}
.tag-ok{background:#E4F1EA;color:#1F5B42}
.tag-wait{background:#FCF0DC;color:#8A5A16}
.tag-info{background:#E4EDF3;color:#1B4B66}

.badge-fresh{
  display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;
  background:#E4F1EA;color:#1F5B42;font-size:12.5px;font-weight:700;margin-bottom:14px;
}
.badge-fresh svg{width:14px;height:14px}

/* ---------- timeline ---------- */
.tl{list-style:none;padding:0;margin:0;position:relative}
.tl::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--line-2)}
.sec-deep .tl::before{background:rgba(255,255,255,.2)}
.tl li{position:relative;padding-left:34px;margin-bottom:22px}
.tl li::before{content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--shell);border:3px solid var(--line-2)}
.sec-deep .tl li::before{background:var(--deep);border-color:rgba(255,255,255,.35)}
.tl li.done::before{border-color:var(--ok);background:var(--ok)}
.tl li.now::before{border-color:var(--sun-ink);background:var(--sun-ink)}
.tl b{display:block;font-size:16px}
.tl span{font-size:14.5px;color:var(--ink-soft)}
.sec-deep .tl span{color:#B4C7D2}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;padding:19px 44px 19px 0;font-weight:700;font-size:17px;position:relative;
  list-style:none;line-height:1.45;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:8px;top:26px;width:10px;height:10px;
  border-right:2px solid var(--sun-ink);border-bottom:2px solid var(--sun-ink);
  transform:rotate(45deg);transition:transform .2s;
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .ans{padding:0 0 20px;color:var(--ink-soft)}
.faq .ans p:last-child{margin-bottom:0}

/* ---------- khối trích nguồn ---------- */
.sources{background:#fff;border:1px solid var(--line);border-left:4px solid var(--tide);
  border-radius:0 var(--r) var(--r) 0;padding:22px 24px}
.sources h3{font-size:17px;margin-bottom:10px}
.sources ol{margin:0;padding-left:20px;font-size:14.5px;color:var(--ink-soft)}
.sources a{color:var(--tide);text-decoration:underline;text-underline-offset:2px;word-break:break-word}

.callout{background:#FCF6EC;border:1px solid #EBDCC2;border-radius:var(--r);padding:22px 24px}
.callout h3{font-size:18px;margin-bottom:8px}
.callout p:last-child{margin-bottom:0}

/* ---------- thẻ bài viết ---------- */
.post{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow-2)}
.post img{aspect-ratio:16/9;object-fit:cover;border-radius:0}
.post-body{padding:20px 21px;display:flex;flex-direction:column;flex:1}
.post-body h3{font-size:18.5px;margin-bottom:8px}
.post-body h3 a{color:var(--ink);text-decoration:none}
.post-body h3 a:hover{color:var(--sun-ink)}
.post-body p{font-size:14.5px;color:var(--ink-soft);margin-bottom:14px}
.post-meta{margin-top:auto;font-size:12.5px;color:var(--ink-faint);letter-spacing:.04em;text-transform:uppercase;font-weight:600}

/* ---------- bài viết (trang con) ---------- */
.article{max-width:800px;margin:0 auto;padding:0 20px}
.article h2{margin-top:44px}
.article h3{margin-top:30px}
.article>figure{margin:26px 0}
.crumb{font-size:13.5px;color:var(--ink-faint);padding:18px 0 0}
.crumb a{color:var(--ink-faint);text-decoration:none}
.crumb a:hover{text-decoration:underline}
.art-head{padding:10px 0 30px}
.art-meta{font-size:13.5px;color:var(--ink-faint);margin-top:12px}
.toc{background:var(--shell-2);border:1px solid var(--line);border-radius:var(--r);padding:20px 24px;margin:0 0 30px}
.toc b{display:block;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:9px}
.toc ol{margin:0;padding-left:20px;font-size:15.5px}
.toc li{margin-bottom:5px}
.toc a{color:var(--tide);text-decoration:none}
.toc a:hover{text-decoration:underline}

/* ---------- footer ---------- */
footer.site{background:var(--deep);color:#B5C8D4;padding:56px 0 26px;font-size:14.5px}
footer.site h4{color:#fff;font-size:13px;letter-spacing:.13em;text-transform:uppercase;margin-bottom:14px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px}
.foot-list{list-style:none;padding:0;margin:0}
.foot-list li{margin-bottom:8px}
.foot-list a{color:#B5C8D4;text-decoration:none}
.foot-list a:hover{color:var(--sun-2)}
.foot-bot{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;
  font-size:13px;color:#8DA5B4;line-height:1.7}
.foot-brand .brand-name{color:#fff}
.foot-brand .brand-sub{color:#7F9AAB}

/* ---------- thanh hành động mobile ---------- */
.mbar{display:none}

/* ---------- responsive ---------- */
@media (max-width:1040px){
  /* Không đủ chỗ cho logo + menu trên một hàng -> menu xuống hàng riêng, chiếm trọn
     bề ngang và tự cuộn ngang. KHÔNG ẩn menu: ẩn là mobile mất sạch điều hướng. */
  .hdr-in{flex-wrap:wrap;gap:0 16px;padding-bottom:0}
  .hdr-nav,.anchornav{margin-left:0;width:100%;order:2;margin-top:8px;
    border-top:1px solid var(--line)}
  section{scroll-margin-top:126px}
  .hero-in{grid-template-columns:1fr;gap:34px;padding:48px 20px 56px}
  .split{grid-template-columns:1fr;gap:28px}
  .split-rev>*:first-child{order:0}
  .g4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:860px){
  .g3{grid-template-columns:1fr}
  section{padding:54px 0}
}
@media (max-width:640px){
  body{font-size:16.5px}
  .brand-name{font-size:16.5px}
  .g2,.g4{grid-template-columns:1fr}
  .hero-facts{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  body{padding-bottom:66px}
  .mbar{
    display:flex;gap:9px;position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(250,246,240,.97);backdrop-filter:blur(10px);
    border-top:1px solid var(--line);padding:9px 12px;
  }
  .mbar .btn{flex:1;padding:12px 10px;font-size:14.5px}
}

/* nút Zalo nổi (desktop) */
.zalo-float{
  position:fixed;right:18px;bottom:20px;z-index:65;width:54px;height:54px;border-radius:50%;
  background:#0068FF;color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:13px;letter-spacing:.5px;text-decoration:none;
  box-shadow:0 12px 26px rgba(0,0,0,.26);
}
@media (max-width:640px){.zalo-float{bottom:76px;width:48px;height:48px;font-size:12px}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn{transition:none}
  .btn:hover{transform:none}
}