/* ═══════════════════════════════════════════════════════════
   cam-nang.css — Stylesheet dùng chung cho khu "Cẩm nang làm nhà"

   KHÔNG tự đặt màu/font mới. Toàn bộ biến :root, font-family,
   .btn/.btn-gold/.btn-outline, .wrap, box-shadow, border-radius
   dưới đây COPY NGUYÊN GIÁ TRỊ từ <style> trong home.html (trang
   chủ applamnha.vn đang chạy) — để trang Cẩm nang cùng tông với
   trang chủ, không lệch màu/lệch font.

   Nguồn đối chiếu: home.html dòng 46-99, 117-244.
   Danh sách giá trị đã trích xuất: xem CHANGES.md — mục Pass 2.

   Import vào mỗi trang trong cam-nang/:
   <link rel="stylesheet" href="../aln-tokens.css">   (đường dẫn tương đối)
   <link rel="stylesheet" href="cam-nang.css">
═══════════════════════════════════════════════════════════ */

:root{
  /* ── copy nguyên văn :root của home.html ── */
  --bg:#f7f9fb;--bg2:#ffffff;--bg3:#eef2f6;--bg4:#e2e8f0;
  --border:#e1e7ee;--border2:#c9d3de;
  --text:#1a2634;--text2:#3d4b5c;--sub:#5b6b7f;--muted:#5b6b7f;
  --gold:#98690a;--gold2:#b8860b;--gold-bg:rgba(152,105,10,.09);--gold-glow:rgba(152,105,10,.16);
  --green:#15803d;--red:#dc2626;--amber:#b45309;--blue:#1d4ed8;
  --r:14px;--r-sm:10px;
  --shadow-sm:0 1px 2px rgba(38,28,8,.04),0 3px 10px rgba(38,28,8,.05);
  --shadow-md:0 6px 16px rgba(38,28,8,.06),0 18px 42px rgba(38,28,8,.08);
  --shadow-lg:0 12px 28px rgba(38,28,8,.09),0 34px 76px rgba(38,28,8,.12);
  --ease:cubic-bezier(.16,1,.3,1);
  --sans:'DM Sans',sans-serif;--mono:'JetBrains Mono',monospace;
  --syne:'Syne',sans-serif;--serif:'Cormorant Garamond',serif;

  /* ── "navy" dùng cho khối CTA đậm — lấy đúng #0e1424 mà
     home.html đã dùng làm nền hero-slider (dòng 117/119), và
     #f5efe0 mà home.html đã dùng làm chữ trên nền #0e1424 đó
     (dòng 121, .hs-cap). Không phải màu mới. ── */
  --navy:#0e1424;--on-navy:#f5efe0;--on-navy-sub:#c9d3de;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:14px;scroll-behavior:smooth}
@media(min-width:1440px){html{font-size:15px}}
@media(min-width:1920px){html{font-size:17px}}
body{font-family:var(--sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* ── Buttons — copy nguyên .btn/.btn-gold/.btn-outline (home.html dòng 75-81) ── */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:11px;font-family:var(--syne);font-size:var(--text-sm);font-weight:700;letter-spacing:.04em;cursor:pointer;border:1px solid transparent;transition:transform .4s var(--ease),box-shadow .4s var(--ease),background .25s,color .25s,border-color .25s}
.btn-gold{background:linear-gradient(135deg,var(--gold2),var(--gold));color:#1a1400;box-shadow:0 6px 18px rgba(152,105,10,.22),inset 0 1px 0 rgba(255,255,255,.28)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(152,105,10,.30),inset 0 1px 0 rgba(255,255,255,.34)}
.btn-gold:active{transform:translateY(0)}
.btn-outline{background:rgba(15,23,42,.02);border-color:var(--border2);color:var(--text2)}
.btn-outline:hover{background:rgba(152,105,10,.07);border-color:var(--gold);color:var(--text)}
.btn-on-navy{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22);color:var(--on-navy)}
.btn-on-navy:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.4)}
.btn i{font-size:1.05em}

/* ── Eyebrow / pill tag — copy pattern .eyebrow + .mh-cat (home.html dòng 73, 398) ── */
.eyebrow{display:flex;align-items:center;gap:10px;font-family:var(--syne);font-size:var(--text-xs);font-weight:700;letter-spacing:.28em;text-transform:uppercase;color:var(--gold)}
.eyebrow .ln{width:40px;height:1px;background:linear-gradient(90deg,transparent,var(--gold2))}
.tag-gold{display:inline-block;background:var(--gold-bg);color:var(--gold);font-family:var(--syne);font-weight:700;font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:99px}

/* ═══ HEADER (rút gọn — "Header nhỏ" theo brief, không đủ 10 mục như home.html) ═══ */
#cn-nav{position:sticky;top:0;z-index:50;background:rgba(247,249,251,.9);backdrop-filter:blur(14px) saturate(1.2);border-bottom:1px solid var(--border)}
.cn-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0}
.cn-brand{display:flex;align-items:center;gap:10px}
.cn-logo{width:34px;height:34px;border-radius:9px;overflow:hidden;flex-shrink:0;box-shadow:0 1px 4px rgba(0,0,0,.15)}
.cn-logo img{width:100%;height:100%;object-fit:cover;display:block}
.cn-name{font-family:var(--syne);font-weight:800;font-size:15px;letter-spacing:.04em;color:var(--text)}
.cn-name small{display:block;font-family:var(--sans);font-weight:500;font-size:11px;letter-spacing:.02em;color:var(--sub)}
.cn-nav-links{display:flex;align-items:center;gap:22px}
.cn-nav-link{font-size:var(--text-sm);color:var(--text2);letter-spacing:.02em}
.cn-nav-link:hover{color:var(--gold)}
@media(max-width:640px){.cn-nav-links{display:none}}

/* ── Breadcrumb ── */
.cn-crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-family:var(--sans);font-size:var(--text-xs);color:var(--muted);margin-bottom:22px}
.cn-crumb a{color:var(--muted)}
.cn-crumb a:hover{color:var(--gold)}
.cn-crumb .sep{color:var(--border2)}
.cn-crumb .cur{color:var(--text2)}

/* ═══ CATEGORY PAGE ═══ */
.cn-hero{padding:56px 0 8px;text-align:center}
.cn-hero h1{font-family:var(--serif);font-weight:400;font-size:44px;line-height:1.14;letter-spacing:-.01em;color:var(--text);margin-bottom:14px}
.cn-hero h1 em{font-style:italic;font-weight:700;color:var(--gold2)}
.cn-hero p{font-size:var(--text-md);color:var(--text2);max-width:560px;margin:0 auto;line-height:1.7}

.cn-filters{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;padding:34px 0 8px}
.cn-filter{padding:9px 18px;border-radius:99px;border:1px solid var(--border2);background:var(--bg2);color:var(--text2);font-family:var(--syne);font-weight:700;font-size:12px;letter-spacing:.03em;cursor:pointer;transition:all .2s;box-shadow:var(--shadow-sm)}
.cn-filter:hover{border-color:var(--gold)}
.cn-filter.active{background:linear-gradient(135deg,var(--gold2),var(--gold));border-color:transparent;color:#1a1400}

.cn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;padding:40px 0 60px}
@media(max-width:960px){.cn-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.cn-grid{grid-template-columns:1fr}}

/* Card — copy pattern .why-card (home.html dòng 164-165) */
.cn-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s}
.cn-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(152,105,10,.34)}
.cn-card-img{aspect-ratio:16/9;background:linear-gradient(135deg,var(--bg3),var(--bg4));display:flex;align-items:center;justify-content:center;color:var(--sub);font-size:var(--text-xs);font-family:var(--syne);letter-spacing:.04em}
.cn-card-img img{width:100%;height:100%;object-fit:cover}
.cn-card-body{padding:22px 22px 26px}
.cn-card-body .tag-gold{margin-bottom:12px}
.cn-card-body h3{font-family:var(--syne);font-weight:700;font-size:var(--text-md);color:var(--text);line-height:1.35;margin-bottom:10px}
.cn-card-body p{font-size:var(--text-sm);color:var(--sub);line-height:1.6}

.cn-empty-note{grid-column:1/-1;text-align:center;padding:36px 20px;color:var(--muted);font-size:var(--text-sm);border:1px dashed var(--border2);border-radius:var(--r)}

.cn-pagination{display:flex;justify-content:center;gap:8px;padding:10px 0 70px}
.cn-page-btn{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:9px;border:1px solid var(--border2);background:var(--bg2);color:var(--text2);font-family:var(--syne);font-weight:700;font-size:13px}
.cn-page-btn.active{background:var(--gold);border-color:var(--gold);color:#fff}

/* ═══ ARTICLE PAGE ═══ */
.cn-article-head{padding:36px 0 0}
.cn-article-body{max-width:720px;margin:0 auto;padding:0 24px}

.cn-h1{font-family:var(--serif);font-weight:400;font-size:40px;line-height:1.18;letter-spacing:-.01em;color:var(--text);margin-bottom:18px}
@media(max-width:640px){.cn-h1{font-size:30px}}

.cn-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:var(--text-sm);color:var(--muted);margin-bottom:28px}
.cn-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--border2)}

.cn-hero-img{aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:linear-gradient(135deg,var(--bg3),var(--bg4));display:flex;align-items:center;justify-content:center;color:var(--sub);font-family:var(--syne);font-size:var(--text-sm);letter-spacing:.03em;margin-bottom:10px}
.cn-hero-img img{width:100%;height:100%;object-fit:cover}
.cn-caption{font-size:var(--text-xs);color:var(--muted);text-align:center;margin-bottom:34px}

/* Hộp tóm tắt — nền xám nhạt (--bg3), viền trái gold */
.cn-summary{background:var(--bg3);border-left:4px solid var(--gold);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:22px 26px;margin-bottom:38px}
.cn-summary h2{font-family:var(--syne);font-weight:700;font-size:var(--text-sm);letter-spacing:.06em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}
.cn-summary ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.cn-summary li{position:relative;padding-left:20px;font-size:var(--text-base);color:var(--text2);line-height:1.6}
.cn-summary li::before{content:'';position:absolute;left:0;top:.6em;width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* Khối thế mạnh ALN (chỉ trang khu vực) — dẫn bằng điều làm được ngay */
.cn-aln-strengths{border:1px solid var(--border);border-radius:var(--r-sm);background:linear-gradient(180deg,var(--gold-bg),transparent);padding:24px 26px;margin-bottom:34px}
.cn-aln-strengths>h2{font-family:var(--syne);font-weight:700;font-size:var(--text-lg);color:var(--gold);margin-bottom:18px}
.cn-str-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cn-str-item i{font-size:28px;color:var(--gold)}
.cn-str-item h3{font-family:var(--syne);font-weight:700;font-size:var(--text-base);color:var(--text);margin:8px 0 5px}
.cn-str-item p{font-size:var(--text-sm);color:var(--text2);line-height:1.55;margin:0}
.cn-str-bridge{margin:18px 0 0;font-size:var(--text-sm);font-style:italic;color:var(--sub)}
@media(max-width:720px){.cn-str-grid{grid-template-columns:1fr;gap:14px}}

/* Nội dung bài */
.cn-prose{font-size:var(--text-base);color:var(--text2);line-height:1.8}
.cn-prose h2{font-family:var(--syne);font-weight:700;font-size:var(--text-xl);color:var(--text);margin:44px 0 16px;line-height:1.3}
.cn-prose h3{font-family:var(--syne);font-weight:700;font-size:var(--text-lg);color:var(--text);margin:32px 0 12px}
.cn-prose p{margin-bottom:18px}
.cn-prose ul,.cn-prose ol{margin:0 0 18px;padding-left:22px}
.cn-prose li{margin-bottom:8px}
.cn-prose a{color:var(--gold);text-decoration:underline;text-decoration-color:rgba(152,105,10,.35);text-underline-offset:3px}
.cn-prose a:hover{text-decoration-color:var(--gold)}
.cn-prose figure{margin:30px 0}
.cn-prose figure img{border-radius:8px}
.cn-prose figcaption{font-size:var(--text-xs);color:var(--muted);text-align:center;margin-top:8px}

.cn-table-wrap{overflow-x:auto;margin:24px 0 30px;border:1px solid var(--border);border-radius:var(--r-sm);box-shadow:var(--shadow-sm)}
.cn-table{width:100%;border-collapse:collapse;background:var(--bg2);font-size:var(--text-sm)}
.cn-table th{background:var(--bg3);font-family:var(--syne);font-weight:700;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);text-align:left;padding:12px 16px}
.cn-table td{padding:13px 16px;border-top:1px solid var(--border);color:var(--text2)}
.cn-table tr:last-child td{font-weight:700;color:var(--text)}

/* CTA giữa bài — nền navy #0e1424, chữ trắng (đã có sẵn trong home.html hero-slider) */
.cn-cta-mid{background:var(--navy);border-radius:var(--r);padding:30px 32px;margin:40px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;box-shadow:var(--shadow-md)}
.cn-cta-mid p{color:var(--on-navy);font-family:var(--syne);font-weight:700;font-size:var(--text-md);line-height:1.4;margin:0;flex:1;max-width:560px}
.cn-cta-mid a{color:var(--on-navy);font-weight:800;text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:3px}
@media(max-width:560px){.cn-cta-mid{flex-direction:column;align-items:flex-start;text-align:left}}

/* Trích dẫn thường trong bài (blockquote không phải hộp tóm tắt/CTA) */
.cn-prose blockquote{border-left:3px solid var(--border2);margin:24px 0;padding:4px 20px;font-style:italic;color:var(--text2)}

/* CTA cuối bài — khối lớn nền navy, nút gold */
.cn-cta-end{background:var(--navy);border-radius:24px;padding:56px 40px;text-align:center;margin:56px 0 20px;position:relative;overflow:hidden}
.cn-cta-end::before{content:'';position:absolute;inset:9px;border:1px solid rgba(255,255,255,.08);border-radius:16px;pointer-events:none}
.cn-cta-end h2{position:relative;font-family:var(--serif);font-weight:400;font-style:italic;font-size:32px;color:var(--on-navy);margin-bottom:12px}
.cn-cta-end p{position:relative;color:var(--on-navy-sub);font-size:var(--text-md);margin-bottom:28px}
.cn-cta-end .cn-cta-btns{position:relative;display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* Link chéo sang Diễn đàn ALN — mời đọc/hỏi thêm câu hỏi thật, tách biệt CTA báo giá ở trên */
.cn-forum-cta{margin:24px 0}
.cn-forum-box{display:flex;align-items:center;gap:18px;flex-wrap:wrap;background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:22px 26px}
.cn-forum-box>i{font-size:30px;color:var(--gold);flex-shrink:0}
.cn-forum-box>div{flex:1;min-width:200px}
.cn-forum-box h3{font-family:var(--syne);font-weight:700;font-size:var(--text-md);color:var(--text);margin-bottom:4px}
.cn-forum-box p{color:var(--sub);font-size:var(--text-sm)}
.cn-forum-box .btn{background:var(--gold-bg);border-color:var(--gold);color:var(--gold)}
.cn-forum-box .btn:hover{background:var(--gold);color:#fff}

/* 3 bài liên quan */
.cn-related{padding:20px 0 60px}
.cn-related h2{font-family:var(--syne);font-weight:700;font-size:var(--text-lg);color:var(--text);margin-bottom:22px;text-align:center}
.cn-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:768px){.cn-related-grid{grid-template-columns:1fr}}
.cn-related-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-sm);padding:18px 20px;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.cn-related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.cn-related-card .tag-gold{margin-bottom:10px;font-size:10px}
.cn-related-card h4{font-family:var(--syne);font-weight:700;font-size:var(--text-sm);color:var(--text);line-height:1.4;margin-bottom:8px}
.cn-related-card span.soon{font-size:11px;color:var(--muted)}

/* ═══ FOOTER — copy nguyên footer home.html (dòng 238-244) ═══ */
footer{border-top:1px solid var(--border);padding:44px 0 28px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px;margin-bottom:32px}
.foot-brand p{font-size:var(--text-sm);color:var(--sub);margin-top:10px;line-height:1.6;max-width:320px}
.foot-col h5{font-family:var(--syne);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;font-weight:700}
.foot-col a,.foot-col p{display:block;font-size:var(--text-sm);color:var(--sub);margin-bottom:9px}
.foot-col a:hover{color:var(--gold)}
.foot-bottom{border-top:1px solid rgba(0,0,0,.06);padding-top:20px;text-align:center;font-size:var(--text-xs);color:var(--muted)}
@media(max-width:960px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr;gap:24px}}