/* =====================================================================
   v18 · TRANG CHI TIẾT PHÂN HỆ PHẦN MỀM (phan-mem-<slug>.html) — trang do CMS sinh
   Dùng chung khung sol-sec / sol-head / sol-faq / sol-clients / blog-cta của blog.css.
   Thang chữ bám site: H1 6.4rem · H2 4.4rem (sol-head) · H3 2.2rem · body 1.6–1.8rem · tagline chung.
   Hover chỉ ≥1200px có chuột.
   ===================================================================== */

/* ---------- 1 · Hero ---------- */
.sw-hero { padding: 16rem 0 9rem; }
.sw-hero .container { align-items: center; row-gap: 4rem; }
.sw-hero-copy { grid-column: 1 / 10; }
.sw-hero.has-media .sw-hero-copy { grid-column: 1 / 7; }
.sw-title { margin-top: 1.6rem; font-size: 6.4rem; font-weight: 500; line-height: 1.04; letter-spacing: -.4rem; }
.sw-lead { margin-top: 2.6rem; max-width: 72rem; font-size: 2.2rem; line-height: 1.55; color: var(--fg); }
.sw-users { margin-top: 2.4rem; display: flex; flex-wrap: wrap; align-items: baseline; gap: 1.2rem; font-size: 1.6rem; color: var(--fg-muted); }
.sw-users span { font-size: 1.3rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--primary); }
.sw-actions { margin-top: 4rem; display: flex; flex-wrap: wrap; gap: 1.6rem; }
.sw-hero-media { grid-column: 8 / 13; border-radius: 1.6rem; overflow: hidden; background: var(--light-gray); aspect-ratio: 16 / 10; }
.sw-hero-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- 2 · Tính năng ---------- */
.sw-feat-grid { grid-column: 1 / -1; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--grid-gutter); }
.sw-feat { padding: 3.2rem 3.2rem 3.6rem; border: 1px solid var(--border); border-radius: 1.6rem; background: #fff; transition: border-color .3s var(--ease), transform .4s var(--ease); }
.sw-feat-ico { display: grid; place-items: center; width: 5.2rem; height: 5.2rem; border-radius: 1.2rem; background: #FDEEEE; color: var(--primary); }
.sw-feat-ico svg { width: 2.6rem; height: 2.6rem; }
.sw-feat h3 { margin-top: 2.8rem; font-size: 2.2rem; font-weight: 500; line-height: 1.3; letter-spacing: -.04rem; }
.sw-feat p { margin-top: 1.2rem; font-size: 1.6rem; line-height: 1.65; color: var(--fg-muted); }
@media (min-width: 1200px) and (hover: hover) {
  .sw-feat:hover { border-color: rgba(232,38,45,.45); transform: translateY(-.4rem); }
}

/* ---------- 3 · Giới thiệu (đoạn văn tự do) ---------- */
.sw-body-head { grid-column: 1 / 4; }
.sw-body-text { grid-column: 4 / 11; }

/* ---------- 4 · Sơ đồ kiến trúc (khi bật) — dùng lại giao diện sơ đồ trang chủ ---------- */
.sw-arch { border-top: 1px solid var(--border); }

/* ---------- 5 · Phù hợp với mô hình · Tích hợp với hệ thống ---------- */
.sw-meta .container { row-gap: 6rem; }
.sw-meta-box { grid-column: span 6; }
.sw-meta-box .tagline { margin-bottom: 2.4rem; }
.sw-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 1rem; }
.sw-tags li { display: inline-flex; align-items: center; gap: .9rem; padding: 1rem 1.8rem 1rem 1.5rem; border-radius: 99rem; background: var(--light-gray); font-size: 1.6rem; font-weight: 500; line-height: 1.3; }
.sw-tags li::before { content: ''; width: .7rem; height: .7rem; border-radius: 50%; background: var(--primary); flex: none; }

/* ---------- 6 · Hệ sinh thái và khả năng kết nối ---------- */
.sw-eco-grid { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.6rem; }
.sw-eco-card { position: relative; display: flex; flex-direction: column; gap: .8rem; min-height: 17rem; padding: 2.4rem 2.4rem 5.6rem; border: 1px solid var(--border); border-radius: 1.6rem; color: var(--fg); background: #fff; transition: border-color .3s var(--ease), background .3s var(--ease); }
.sw-eco-grp { font-size: 1.2rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--fg-muted); }
.sw-eco-card b { font-size: 2rem; font-weight: 500; line-height: 1.3; }
.sw-eco-d { font-size: 1.5rem; line-height: 1.55; color: var(--fg-muted); }
.sw-eco-go { position: absolute; left: 2.4rem; bottom: 2rem; font-size: 2rem; color: var(--primary); transition: transform .35s var(--ease); }
@media (min-width: 1200px) and (hover: hover) {
  .sw-eco-card:hover { border-color: var(--primary); background: #FFF8F8; }
  .sw-eco-card:hover .sw-eco-go { transform: translateX(.6rem); }
}

/* ===================== MOBILE / TABLET (< 1200px) ===================== */
@media (max-width: 1199px) {
  .sw-hero { padding: 12rem 0 5rem; }
  .sw-hero-copy, .sw-hero.has-media .sw-hero-copy, .sw-hero-media { grid-column: 1 / -1; }
  .sw-title { font-size: var(--m-h1, 3.6rem); letter-spacing: -1px; line-height: 1.1; }
  .sw-lead { font-size: var(--m-lead, 1.7rem); }
  .sw-actions { margin-top: 3rem; }
  .sw-actions .btn { flex: 1 1 auto; justify-content: center; }
  .sw-feat-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .sw-feat { padding: 2.4rem; }
  .sw-feat h3 { margin-top: 2rem; font-size: var(--m-h3, 2rem); }
  .sw-body-head, .sw-body-text, .sw-meta-box { grid-column: 1 / -1; }
  .sw-body-head { margin-bottom: 2rem; }
  .sw-meta .container { row-gap: 4rem; }
  .sw-tags li { font-size: 1.4rem; }
  .sw-eco-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .sw-eco-card { min-height: 0; }
}
@media (min-width: 768px) and (max-width: 1199px) {
  .sw-feat-grid, .sw-eco-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}


/* ===================================================================
   v2.39 · v2.40 · Bảng tính năng nhiều phiên bản — mỗi phiên bản 1 thẻ: tên + danh sách tính năng có dấu ✓
   2 phiên bản: 2 cột · từ 3 phiên bản: 3 cột (xuống hàng nếu nhiều hơn) · thẻ cuối nền đen làm nổi bật
   =================================================================== */
.sw-tiers { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--grid-gutter); align-items: stretch; }
.sw-tiers[data-count="2"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sw-tier { display: flex; flex-direction: column; padding: 4.8rem 4.8rem 5.2rem; border: 1px solid var(--border); border-radius: 1.6rem; background: #fff; transition: border-color .3s var(--ease), transform .4s var(--ease); }
.sw-tiers:not([data-count="2"]) .sw-tier { padding: 4rem 3.6rem 4.4rem; }
.sw-tier-head { padding-bottom: 3.2rem; border-bottom: 1px solid var(--border); }
.sw-tier-kicker { font-size: 1.3rem; font-weight: 500; letter-spacing: .12rem; text-transform: uppercase; color: var(--fg-muted); }
.sw-tier h3 { margin-top: 1.2rem; font-size: 3.6rem; font-weight: 500; line-height: 1.15; letter-spacing: -.08rem; }
.sw-tier-desc { margin-top: 1.6rem; font-size: 1.6rem; line-height: 1.6; color: var(--fg-muted); max-width: 48ch; }
.sw-tier-list { list-style: none; margin-top: 3.2rem; display: grid; gap: 1.6rem; }
.sw-tier-list li { display: grid; grid-template-columns: 2.4rem 1fr; gap: 1.4rem; align-items: start; font-size: 1.6rem; line-height: 1.55; }
.sw-tier-list b { font-weight: 400; }
.sw-tier-list small { display: block; margin-top: .4rem; font-size: 1.4rem; line-height: 1.55; color: var(--fg-muted); }
.sw-tier-check { display: grid; place-items: center; width: 2.4rem; height: 2.4rem; margin-top: -.05em; border-radius: 50%; background: #FDEEEE; color: var(--primary); }
.sw-tier-check svg { width: 1.6rem; height: 1.6rem; }
.sw-tier--pro { background: #000; border-color: #000; color: #fff; }
.sw-tier--pro .sw-tier-head { border-bottom-color: rgba(255,255,255,.16); }
.sw-tier--pro .sw-tier-kicker { color: var(--primary); }
.sw-tier--pro .sw-tier-desc, .sw-tier--pro .sw-tier-list small { color: rgba(255,255,255,.62); }
.sw-tier--pro .sw-tier-check { background: var(--primary); color: #fff; }
@media (min-width: 1200px) and (hover: hover) {
  .sw-tier:hover { border-color: rgba(232,38,45,.45); transform: translateY(-.4rem); }
  .sw-tier--pro:hover { border-color: var(--primary); }
}
@media (max-width: 1199px) {
  .sw-tiers, .sw-tiers[data-count="2"] { grid-template-columns: 1fr; gap: 1.2rem; }
  .sw-tier, .sw-tiers:not([data-count="2"]) .sw-tier { padding: 2.8rem 2.4rem 3.2rem; }
  .sw-tier-head { padding-bottom: 2.4rem; }
  .sw-tier h3 { margin-top: .8rem; font-size: 2.4rem; }
  .sw-tier-desc { font-size: 1.5rem; }
  .sw-tier-list { margin-top: 2.4rem; gap: 1.4rem; }
  .sw-tier-list li { font-size: 1.5rem; gap: 1.2rem; }
  .sw-tier-list small { font-size: 1.3rem; }
}
@media (min-width: 768px) and (max-width: 1199px) {
  .sw-tiers, .sw-tiers[data-count="2"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* v2.51 · 08/10/2026 — Hero trang Phần mềm: ảnh nằm dưới phần chữ, full width container (thay vì đứng bên phải) */
.sw-hero.has-media .sw-hero-copy { grid-column: 1 / 10; }
.sw-hero-media { grid-column: 1 / -1; aspect-ratio: 16 / 7; margin-top: 2rem; }
@media (max-width: 1199px) {
  .sw-hero.has-media .sw-hero-copy { grid-column: 1 / -1; }
  .sw-hero-media { aspect-ratio: 16 / 10; margin-top: 1rem; }
}