/* Trang chủ Forma Việt — ảnh duyệt FM-1A (1440) + FM-1A-m (390), 16/10/2026. Khung chung (thanh trên, chân trang, màu) ở fv.css.
   CSP cấm style nội tuyến: số cột lộ trình (--n) và đoạn xanh (--fill) gán bằng CSSOM trong js/trang-chu.js. */
body.home{background:var(--surface);font-size:16px;line-height:1.55}
body.home{--soft:var(--bg);--head:var(--grp-ink)}
.hm{flex:1}
.hm .wrap{max-width:1200px;margin:0 auto;padding:0 40px}
.hm h1{font-size:48px;line-height:1.12;letter-spacing:-1.2px;font-weight:700;color:var(--head);margin:0}
.hm h2{font-size:32px;line-height:1.2;letter-spacing:-.6px;font-weight:700;color:var(--head);margin:0}
.hm .lead{font-size:17px;color:var(--muted);margin:12px 0 0;max-width:620px}
.hm a:hover{text-decoration:none}
.hbtn{height:50px;padding:0 22px;border-radius:10px;font-size:16px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:10px;white-space:nowrap}
.hbtn.pri{background:var(--blue);color:#fff}.hbtn.pri:hover{background:var(--blue-h)}
.hbtn.sec{color:var(--head);border:1px solid var(--edge);background:var(--surface)}.hbtn.sec:hover{border-color:var(--faint)}
.lnk{color:var(--blue);font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
section.blk{padding:96px 0}
section.grey{background:var(--soft)}

/* đầu trang: chữ bên trái, khung trình duyệt tràn ra mép phải */
.hero-w{overflow:hidden}
.hero{display:grid;grid-template-columns:520px minmax(0,1fr);gap:48px;align-items:center;padding:64px 0 88px max(40px,calc((100% - 1120px) / 2))}
.hero .sub{font-size:18px;color:var(--muted);margin:22px 0 34px;max-width:450px}
.hacts{display:flex;gap:12px;flex-wrap:wrap}
.shot{margin:0;min-width:0}
.shot figcaption{margin-top:10px;font-size:12.5px;color:var(--faint)}
.browser{border:1px solid var(--line);border-right:0;border-radius:12px 0 0 12px;overflow:hidden;background:#fff;box-shadow:0 1px 2px #0d25420f,0 30px 70px -24px #0d254240}
.bbar{height:40px;background:var(--grp);border-bottom:1px solid var(--edge);display:flex;align-items:center;gap:8px;padding:0 14px}
.bbar i{width:11px;height:11px;border-radius:50%;background:var(--sw-off);display:block;flex:none}
.url{margin-left:14px;height:26px;width:420px;min-width:0;border-radius:7px;background:var(--surface);border:1px solid var(--edge);font-size:12.5px;color:var(--faint);display:flex;align-items:center;padding:0 10px;gap:6px}
.url span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.ext{margin-left:auto;display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--head);background:var(--surface);border:1px solid var(--edge);border-radius:7px;height:26px;padding:0 9px;white-space:nowrap}
.ext .ic{color:var(--blue)}
.viewport{height:560px;overflow:hidden}
.viewport img{width:1300px;max-width:none;height:auto;display:block}

/* dải tin cậy */
.trust{border-top:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.trust .wrap{min-height:76px;display:flex;align-items:center;font-size:14.5px;color:var(--muted);white-space:nowrap}
.trust .it{display:flex;align-items:center;gap:9px;padding:0 26px;border-left:1px solid var(--edge)}
.trust .it:first-child{padding-left:0;border:0}
.trust .it .ic{color:var(--faint)}
.trust img{height:30px;width:auto;display:block}

/* OneCAD bổ sung gì: một thẻ lớn bên trái, hai thẻ ngang bên phải */
.feat{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;margin-top:48px}
.bs{background:var(--surface);border:1px solid var(--edge);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;min-width:0}
.bs .ill{background:var(--grp);display:flex;align-items:center;justify-content:center;overflow:hidden}
.bs .tx{padding:24px 28px 26px}
.bs h3{margin:0;font-size:20px;font-weight:600;color:var(--head);letter-spacing:-.2px}
.bs p{margin:8px 0 14px;color:var(--muted);font-size:15.5px}
.bs.big{grid-row:1 / span 2}
.bs.big h3{font-size:22px}
.bs.big .ill{flex:1;padding:32px}
.bs.big .ill img{width:100%;height:auto;display:block;border-radius:10px;box-shadow:0 18px 40px -20px #0d254255}
.bs.row{flex-direction:row}
.bs.row .ill{width:262px;flex:none;padding:24px}
.bs.row .tx{padding:28px}
.tag{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:5px;background:var(--warnbg);color:var(--warn);font-size:12.5px;font-weight:600;margin-left:10px;vertical-align:3px;letter-spacing:0}
.tag.ok{background:transparent;color:var(--ok);border:1px solid var(--ok)}
/* thẻ thuật ngữ dựng bằng HTML (dữ liệu từ điển thật) */
.term{background:var(--surface);border:1px solid var(--edge);border-radius:10px;padding:14px;width:100%;max-width:360px;box-shadow:0 10px 30px -18px #0d254240}
.term .k{display:flex;justify-content:space-between;gap:8px;font-size:12.5px;color:var(--faint)}
.term .k b{font:600 12.5px var(--mono);color:var(--muted)}
.term .w{display:flex;align-items:center;gap:10px;margin:8px 0 12px;font-size:18px;font-weight:700;color:var(--head);white-space:nowrap}
.term .w .en{font-weight:500;color:var(--muted)}.term .w .ic{color:var(--faint)}
.term dl{margin:0;display:grid;grid-template-columns:50px 1fr;row-gap:6px;font-size:12.5px;border-top:1px solid var(--hair);padding-top:10px}
.term dt{color:var(--faint)}.term dd{margin:0;color:var(--ink);white-space:nowrap}.term dd.no{color:var(--avoid)}
/* bản in thu nhỏ: trang 1 cắt sẵn (img/ban-in-trang-1.webp) */
.print{width:170px;height:210px;overflow:hidden;background:#fff;border:1px solid #d9e0ea;border-radius:3px;box-shadow:0 10px 30px -18px #0d254250}
.print img{width:100%;height:auto;display:block}

/* các bước */
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin:48px 0 0;position:relative}
.steps::before{content:"";position:absolute;left:18px;right:33%;top:18px;height:1px;background:var(--edge)}
.steps li{min-width:0}
.steps .n{width:36px;height:36px;border-radius:50%;border:1.5px solid var(--blue);color:var(--blue);background:var(--surface);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;position:relative}
.steps b{display:block;margin-top:20px;font-size:18px;font-weight:600;color:var(--head)}
.steps b small{font-size:14px;font-weight:500;color:var(--faint);margin-left:6px}
.steps p{margin:6px 0 0;color:var(--muted);font-size:15.5px;max-width:330px}

/* lộ trình ngang */
.road.blk{padding:88px 0}
.rm-h{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}
.rm{list-style:none;padding:0;margin:48px 0 0;display:grid;grid-template-columns:repeat(var(--n,6),minmax(0,1fr));position:relative}
.rm::before{content:"";position:absolute;left:0;right:0;top:7px;height:2px;background:var(--edge)}
.rm::after{content:"";position:absolute;left:0;width:var(--fill,0);top:7px;height:2px;background:var(--ok)}
.rm-st{grid-column:1/-1;padding-top:28px;color:var(--muted);font-size:15px}.rm-st.err{color:var(--danger)}
.ms{position:relative;padding-right:20px;min-width:0;display:flex;flex-direction:column}
.ms .d{width:16px;height:16px;border-radius:50%;background:var(--soft);border:2px solid var(--faint);position:relative;z-index:1}
.ms.ok .d{background:var(--ok);border-color:var(--ok)}
.ms.now .d{border-color:var(--blue);box-shadow:0 0 0 4px #0665ed22}
.ms .m{margin-top:18px;font-size:13.5px;font-weight:600;color:var(--faint);font-variant-numeric:tabular-nums}
.ms.ok .m{color:var(--ok)}.ms.now .m{color:var(--blue)}
.ms .t{margin-top:4px;font-size:15.5px;font-weight:600;color:var(--head);line-height:1.4}
.ms.end .t{color:var(--faint);font-weight:500}
.dcm{display:none;color:var(--ok)}

/* kêu gọi liên hệ */
.cta{background:var(--navy);color:#fff;padding:72px 0}
.cta .wrap{display:flex;align-items:center;gap:48px}
.hm .cta h2{color:#fff}
.cta p{margin:12px 0 0;color:#b3c2d6;font-size:17px;max-width:620px}
.cta .act{margin-left:auto;display:flex;flex-direction:column;align-items:flex-start;gap:12px;flex:none}
.cta .hbtn.pri{background:#0665ed}
.cta .mail{display:flex;align-items:center;gap:8px;color:#d5deea;font-size:15px}

/* màn vừa */
@media (max-width:1180px){
  .hero{grid-template-columns:minmax(0,440px) minmax(0,1fr);gap:36px;padding-left:max(20px,calc((100% - 1120px) / 2))}
  .hm .wrap{padding:0 20px}
  .trust .wrap{flex-wrap:wrap;row-gap:12px;padding-top:14px;padding-bottom:14px}
  .trust .it{padding:0 18px}
  .bs.row .ill{width:220px}
}
@media (max-width:980px){
  .hero{grid-template-columns:minmax(0,1fr);padding:48px 0 56px 20px}
  .hero-t{padding-right:20px}
  .feat{grid-template-columns:minmax(0,1fr)}
  .bs.big{grid-row:auto}
  .cta .wrap{flex-direction:column;align-items:flex-start;gap:24px}
  .cta .act{margin:0}
  .rm{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:28px}
  .rm::before,.rm::after{display:none}
}

/* điện thoại (FM-1A-m) */
@media (max-width:760px){
  body.home{font-size:16px}
  .hm h1{font-size:31px;letter-spacing:-.7px}
  .hm h2{font-size:25px;letter-spacing:-.4px}
  .hm .lead{font-size:15.5px}
  .hero{padding:32px 0 0 20px;gap:36px}
  .hero .sub{font-size:16px;margin:16px 0 26px}
  .hacts{flex-direction:column;gap:10px}.hacts .hbtn{height:52px}
  .url{width:170px;flex:0 1 170px}.url .ic,.ext{display:none}
  .viewport{height:330px}.viewport img{width:780px}
  .shot figcaption{padding-right:20px}
  .trust{margin-top:40px;padding:20px 0}
  .trust .wrap{flex-direction:column;align-items:flex-start;gap:12px;font-size:14px;white-space:normal;min-height:0;padding-top:0;padding-bottom:0}
  .trust .it{padding:0;border:0}
  .trust img{height:28px}
  section.blk,.road.blk{padding:56px 0}
  .feat{gap:16px;margin-top:28px}
  .bs .ill,.bs.row .ill{width:auto;padding:20px}
  .bs.big .ill{padding:16px}.bs.big .ill img{border-radius:8px}
  .bs.row{flex-direction:column}
  .bs .tx,.bs.row .tx{padding:18px 20px 20px}
  .bs h3,.bs.big h3{font-size:20px}
  .bs p{margin:6px 0 12px;font-size:15px}
  .bs.row:last-child .ill{height:220px;align-items:flex-start}
  .bs.row:last-child .print{width:260px;height:300px;flex:none}
  .term .w{font-size:20px}.term dl{grid-template-columns:74px 1fr;font-size:13.5px}
  .steps{grid-template-columns:minmax(0,1fr);gap:26px;margin-top:28px}
  .steps::before{left:18px;right:auto;top:18px;bottom:60px;width:1px;height:auto}
  .steps li{display:grid;grid-template-columns:36px minmax(0,1fr);column-gap:16px}
  .steps b{margin-top:6px}.steps p{grid-column:2}
  .rm-h{display:block}.rm-h .lnk{margin-top:14px}
  .rm{grid-template-columns:minmax(0,1fr);margin-top:28px;row-gap:18px}
  .rm::before{display:block;left:7px;right:auto;top:8px;bottom:8px;width:2px;height:auto}
  .ms{display:grid;grid-template-columns:16px 90px minmax(0,1fr);column-gap:14px;align-items:baseline;padding:0}
  .ms .d{top:3px}.ms .m{margin:0;white-space:nowrap}.ms .t{margin:0;font-size:15px}
  .dc{display:none}.dcm{display:inline}
  .cta{padding:52px 0}
  .cta .act{width:100%}.cta .act .hbtn{width:100%}
}
@media (prefers-color-scheme:dark){
  .browser{border-color:var(--line);box-shadow:0 30px 70px -24px #000a}
  .cta{background:var(--navy-2)}
  .term,.bs.big .ill img{box-shadow:none}
}