/* ============================================================
   STYLE.CSS — Ngôn ngữ thị giác: Wirecutter · RTINGS · Coffee Review
   Nền trắng ngà · typography lớn · nhiều khoảng trắng
   1 màu nhấn duy nhất · không banner · không popup
   ============================================================ */

:root{
  --paper:#FCFBF7;
  --ink:#1A1A17;
  --soft:#5C5A52;
  --dim:#8E8B81;
  --rule:#E2DFD4;
  --moss:#1F5C3D;        /* màu nhấn DUY NHẤT */
  --moss-lite:#EAF2ED;
  --clay:#B4552B;        /* chỉ dùng cho cảnh báo/nhược điểm */
  --amber:#F5E9C8;
  --amber-ink:#7A5C10;
  --gold:#C9A227;
}

*{box-sizing:border-box;margin:0;padding:0}

body{
  background:var(--paper);color:var(--ink);
  font-family:'Newsreader',Georgia,'Times New Roman',serif;
  font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1060px;margin:0 auto;padding:0 24px}
.mono{font-family:'JetBrains Mono','SF Mono',monospace}
.dim{color:var(--dim)}
code{font-family:'JetBrains Mono',monospace;font-size:.86em;background:var(--moss-lite);padding:2px 6px}

/* ---------- NAV: theo cách người MUA nghĩ ---------- */
nav{border-bottom:1px solid var(--rule);position:sticky;top:0;background:var(--paper);z-index:30}
.nav-in{display:flex;align-items:center;height:64px;gap:26px}
#logo{font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:19px;letter-spacing:-.02em;white-space:nowrap}
#logo span{color:var(--moss)}
.nav-links{display:flex;gap:22px;margin-left:auto;list-style:none;
  font-family:'Bricolage Grotesque',sans-serif;font-size:14px;font-weight:500}
.nav-links a{color:var(--soft);text-decoration:none;padding-bottom:3px;border-bottom:2px solid transparent;transition:.15s}
.nav-links a:hover{color:var(--ink)}
.nav-links a.learn{color:var(--dim)}   /* "Kiến thức" đứng CUỐI, mờ hơn — điều 21 */

/* ---------- TYPE ---------- */
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--moss)}
h1{font-family:'Bricolage Grotesque',sans-serif;font-size:clamp(30px,4.6vw,46px);
  font-weight:800;line-height:1.06;letter-spacing:-.028em;margin:10px 0 14px}
h2{font-family:'Bricolage Grotesque',sans-serif;font-size:27px;font-weight:700;
  letter-spacing:-.022em;margin:8px 0 6px}
h3{font-family:'Bricolage Grotesque',sans-serif;font-size:18px;font-weight:700;margin-bottom:8px}
.lead{color:var(--soft);max-width:640px;margin-bottom:4px}
section{padding:52px 0;border-bottom:1px solid var(--rule)}
section:last-of-type{border-bottom:none}
.foot-note{font-size:14px;color:var(--soft);margin-top:18px;max-width:640px}

/* ---------- ĐỘ TƯƠI + NHÃN MINH BẠCH (điều 31) ---------- */
.chips{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:8px}
.fresh{display:inline-flex;align-items:center;gap:7px;font-family:'JetBrains Mono',monospace;
  font-size:12px;color:var(--soft);background:#fff;border:1px solid var(--rule);padding:5px 11px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--moss);display:inline-block}
.tag-t{background:var(--moss);color:#fff;font-family:'JetBrains Mono',monospace;font-size:10px;
  font-weight:700;letter-spacing:.08em;padding:4px 9px;white-space:nowrap}
.tag-u{background:var(--amber);color:var(--amber-ink);font-family:'JetBrains Mono',monospace;
  font-size:10px;font-weight:700;letter-spacing:.08em;padding:4px 9px;white-space:nowrap}

/* ---------- ① QUY TẮC 1 LỰA CHỌN (Wirecutter) ---------- */
.pick{border:2px solid var(--ink);background:#fff;margin-top:24px}
.pick-flag{background:var(--ink);color:#fff;padding:10px 20px;display:flex;justify-content:space-between;
  align-items:center;font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:14px}
.pick-flag .dim{color:#8B887E;font-size:11px}
.pick-grid{display:grid;grid-template-columns:138px 1fr 218px}
.sc{background:var(--moss);color:#fff;padding:24px 14px;text-align:center;
  display:flex;flex-direction:column;justify-content:center}
.sc-n{font-family:'Bricolage Grotesque',sans-serif;font-size:50px;font-weight:800;line-height:1;letter-spacing:-.04em}
.sc-l{font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.14em;
  text-transform:uppercase;opacity:.72;margin-top:7px}
.vd{padding:22px 26px;border-left:1px solid var(--rule);border-right:1px solid var(--rule)}
.vd-h{font-family:'Bricolage Grotesque',sans-serif;font-size:19px;font-weight:700;line-height:1.25}
.vd-s{color:var(--soft);font-size:15px;margin:4px 0 14px}
.buy{padding:22px 20px;background:var(--moss-lite);display:flex;flex-direction:column;justify-content:center}
.pl{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--soft);font-weight:700}
.pr{font-family:'Bricolage Grotesque',sans-serif;font-size:30px;font-weight:800;letter-spacing:-.03em}
.pp{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--soft);margin-top:2px}
.pr-sm{font-family:'Bricolage Grotesque',sans-serif;font-size:19px;font-weight:800;margin-right:8px}

/* ---------- AI NÊN / AI KHÔNG NÊN (điều 43-⑤) ---------- */
.who{display:grid;grid-template-columns:1fr 1fr;gap:18px;font-size:15px}
.who h4{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--soft);margin-bottom:6px;font-weight:700}
.who ul{list-style:none}
.who li{padding-left:18px;position:relative;margin-bottom:4px;line-height:1.45}
.who .y:before{content:"✔";position:absolute;left:0;color:var(--moss);font-weight:700}
.who .n:before{content:"✘";position:absolute;left:0;color:var(--clay);font-weight:700}

/* ---------- CTA: 1 nút, lặp lại (điều 43-⑥) ---------- */
.cta{background:var(--ink);color:#fff;border:none;width:100%;margin-top:12px;padding:13px;cursor:pointer;
  font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:15px;transition:background .15s}
.cta:hover{background:var(--moss)}
.cta-note{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--soft);
  text-align:center;margin-top:8px;line-height:1.45}
.mini{background:var(--ink);color:#fff;border:none;padding:9px 19px;cursor:pointer;
  font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:13px;white-space:nowrap}
.mini:hover{background:var(--moss)}
.mini.sm{padding:7px 14px;font-size:12px}

/* ---------- 2 nhánh phụ (tối đa 3 tổng) ---------- */
.alts{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.alt{border:1px solid var(--rule);background:#fff;padding:17px 19px;display:flex;flex-direction:column}
.alt-tag{font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--soft);margin-bottom:8px}
.alt-n{font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:16px;margin-bottom:4px}
.alt-w{font-size:14px;color:var(--soft);margin-bottom:14px;flex:1;line-height:1.5}
.alt-cta{background:none;border:1.5px solid var(--ink);color:var(--ink);width:100%;padding:9px;cursor:pointer;
  font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:13px;transition:.15s}
.alt-cta:hover{background:var(--ink);color:#fff}

/* ---------- ③ SỐ ĐO > TÍNH TỪ (RTINGS) ---------- */
.specs{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.spec{background:#fff;padding:14px 16px}
.spec-l{font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.11em;
  text-transform:uppercase;color:var(--soft);font-weight:700;margin-bottom:7px}
.spec-v{font-family:'Bricolage Grotesque',sans-serif;font-size:21px;font-weight:800;
  letter-spacing:-.02em;margin-bottom:7px}
.spec-v .of{font-size:13px;color:var(--soft);font-weight:500}
.track{height:5px;background:var(--rule);position:relative}
.track i{position:absolute;left:0;top:0;height:100%;background:var(--moss)}

/* ---------- REVIEW LIST ---------- */
.rv-list{display:flex;flex-direction:column;gap:20px;margin-top:22px}
.rv{border:1.5px solid var(--ink);background:#fff}
.rv-head{display:flex;justify-content:space-between;align-items:flex-start;padding:18px 22px 14px;gap:16px}
.rv-brand{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--soft);font-weight:700}
.rv-name{font-family:'Bricolage Grotesque',sans-serif;font-size:20px;font-weight:700;letter-spacing:-.02em}
.rv-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.rv-score{font-family:'Bricolage Grotesque',sans-serif;font-size:26px;font-weight:800;
  color:var(--moss);letter-spacing:-.03em}
.rv-noscore{font-family:'Bricolage Grotesque',sans-serif;font-size:26px;font-weight:800;color:var(--rule)}
.rv-body{padding:18px 22px}
.rv-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:var(--soft);margin-bottom:16px;
  padding-bottom:14px;border-bottom:1px solid var(--rule)}
.rv-meta b{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--dim);margin-right:5px}
.rv-buy{display:flex;justify-content:space-between;align-items:center;
  padding:14px 22px;background:var(--moss-lite);border-top:1px solid var(--rule)}

/* ---------- COMPARE ---------- */
.cmp-t{margin-top:20px}
table{width:100%;border-collapse:collapse;margin-top:16px;background:#fff;border:1.5px solid var(--ink)}
th,td{padding:12px 15px;text-align:left;border-bottom:1px solid var(--rule);font-size:15px;vertical-align:top}
thead th{font-family:'Bricolage Grotesque',sans-serif;font-weight:700;background:var(--ink);
  color:#fff;border-bottom:none}
thead th:first-child{width:130px}
tbody tr:last-child td{border-bottom:none}
td:first-child{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.07em;
  text-transform:uppercase;color:var(--soft);font-weight:700}
.win{background:var(--moss-lite);font-weight:600}
.win:after{content:" ✔";color:var(--moss)}
.price-t td:first-child{font-family:'Newsreader',serif;font-size:15px;text-transform:none;
  letter-spacing:0;color:var(--ink);font-weight:400}
.price-t thead th:first-child{width:auto}

/* ---------- DECISION ENGINE ---------- */
.fbox{background:#fff;border:1.5px solid var(--ink);padding:26px;margin-top:20px}
.fq{font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:16px;margin-bottom:11px}
.chips-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chip{font-family:'Bricolage Grotesque',sans-serif;font-size:14px;font-weight:500;padding:9px 17px;
  border:1.5px solid var(--rule);background:var(--paper);cursor:pointer;transition:.12s}
.chip:hover{border-color:var(--soft)}
.chip.sel{background:var(--moss);color:#fff;border-color:var(--moss)}
.fres{border-top:1px solid var(--rule);padding-top:18px;min-height:90px}
.fempty{color:var(--dim);font-style:italic;font-size:15px}
.hit{display:flex;align-items:center;gap:15px;padding:13px 0;border-bottom:1px solid var(--rule)}
.hit:last-child{border-bottom:none}
.hit-rank{font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:18px;
  background:var(--moss);color:#fff;width:40px;height:40px;flex:0 0 40px;
  display:flex;align-items:center;justify-content:center}
.hit-body{flex:1;min-width:0}
.hit-n{font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:16px;
  display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.hit-w{font-size:14px;color:var(--soft)}
.hit-p{font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:16px;white-space:nowrap}

/* ---------- METHOD / NOTES ---------- */
.method{background:#fff;border:1.5px solid var(--ink);padding:24px 28px;margin-top:20px}
.method ol{margin:14px 0 0 20px;font-size:15px;line-height:2}
.note{background:var(--moss-lite);border-left:3px solid var(--moss);padding:15px 19px;margin-top:18px;font-size:15px}
.warn{background:#FDF0EA;border-left:3px solid var(--clay);padding:15px 19px;margin-top:14px;font-size:15px}

/* ---------- NORTH STAR PANEL ---------- */
.ctr{position:fixed;right:18px;bottom:18px;background:var(--ink);color:#fff;padding:15px 19px;
  font-family:'JetBrains Mono',monospace;font-size:11px;line-height:1.9;z-index:50;
  border-left:3px solid var(--moss);max-width:230px}
.ctr b{color:var(--gold);font-size:13px}
.ctr-t{font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:#8B887E;margin-bottom:5px}

/* ---------- FOOTER ---------- */
footer{padding:40px 0 90px;font-family:'JetBrains Mono',monospace;font-size:11px;
  color:var(--soft);line-height:2.1}
footer a{color:var(--moss)}
#tagline{font-family:'Newsreader',serif;font-size:15px;color:var(--soft);margin-bottom:10px;font-style:italic}

/* ---------- MOBILE ---------- */
@media(max-width:880px){
  .pick-grid{grid-template-columns:1fr}
  .vd{border-left:none;border-right:none;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
  .who,.alts{grid-template-columns:1fr}
  .specs{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .ctr{left:12px;right:12px;bottom:12px;max-width:none}
  .rv-head{flex-direction:column;gap:12px}
  .rv-buy{flex-direction:column;gap:12px;align-items:stretch}
  .rv-buy .mini{width:100%}
  table{font-size:14px}
  th,td{padding:10px 11px}
  .hit{flex-wrap:wrap}
  .hit-p{margin-left:55px}
}