/* /phan-mem/ — AI Business OS: an OS home-screen hero, then the "Phần mềm đã thực hiện" section.
   Loaded after pages.css; every colour is a pages.css token so the theme twins follow. Prefixes sw- (page) and os- (the window), pk- (its preview pane). */

/* ---------- hero: text left, OS window right ---------- */
.sw-hero{position:relative;padding:112px 0 72px;overflow-x:clip;background:radial-gradient(52% 62% at 76% 40%,var(--accent-glow),#0000 72%),radial-gradient(38% 40% at 6% 100%,color-mix(in srgb,var(--cyan) 12%,#0000),#0000 72%),linear-gradient(#0000 88%,var(--bg))}
.sw-hero:before{content:'';position:absolute;inset:0;background-image:radial-gradient(color-mix(in srgb,var(--text) 16%,#0000) 1px,#0000 1.5px);background-size:26px 26px;-webkit-mask-image:radial-gradient(62% 70% at 70% 45%,#000,#0000 82%);mask-image:radial-gradient(62% 70% at 70% 45%,#000,#0000 82%);pointer-events:none}
.sw-wide{position:relative;width:min(1296px,90%);margin:0 auto}
.sw-grid{display:grid;grid-template-columns:minmax(0,400px) minmax(0,1fr);gap:48px;align-items:center;margin-top:28px}
.sw-kicker{display:inline-block;margin:0 0 20px;padding:7px 16px;border:1px solid var(--accent-line);border-radius:99px;font-size:11px;font-weight:600;letter-spacing:2.4px;text-transform:uppercase;color:var(--accent);background:var(--accent-bg)}
.sw-hero h1{margin:0;font-size:clamp(36px,3.7vw,54px);font-weight:600;line-height:1.06;letter-spacing:-2.2px}
.sw-hero h1 em{color:var(--accent)}
.sw-lead{max-width:30ch;margin:20px 0 0;font-size:17.5px;line-height:1.6;color:var(--text-2)}
.sw-hero .ctas{margin-top:26px}

.os-win{position:relative;overflow:hidden;border:1px solid var(--edge-strong);border-radius:22px;background:var(--surface);box-shadow:0 50px 100px -44px rgb(0 0 0 / .6),var(--card-shadow)}
.os-bar{display:flex;align-items:center;gap:6px;padding:11px 16px;border-bottom:1px solid var(--edge);background:var(--surface-2)}
.os-bar i{width:9px;height:9px;border-radius:50%;background:var(--edge-strong)}
.os-bar i:nth-child(1){background:#ff7a70}.os-bar i:nth-child(2){background:#ffc757}.os-bar i:nth-child(3){background:#5ad39b}
.os-bar span{margin-left:10px;font-size:11px;letter-spacing:1.4px;text-transform:uppercase;color:var(--text-4)}
.os-body{display:grid;grid-template-columns:minmax(0,1fr)}
.os-win.has-peek .os-body{grid-template-columns:minmax(0,1fr) 236px}
.os-desk{display:grid;gap:6px;min-width:0;padding:16px 18px 8px}
.os-top{display:flex;flex-wrap:wrap;gap:6px 30px}
.os-group{min-width:0}
.os-label{margin:0 0 2px 6px;font-size:10.5px;font-weight:600;letter-spacing:1.8px;text-transform:uppercase;color:var(--accent)}
.os-apps{display:flex;flex-wrap:wrap;gap:4px 10px;margin:0;padding:0;list-style:none}
.os-app{display:grid;justify-items:center;align-content:start;gap:6px;width:88px;padding:8px 2px 7px;border:1px solid #0000;border-radius:14px;color:var(--text);transition:border-color .2s,background .2s}
.os-app b{max-width:100%;font-size:11px;font-weight:500;line-height:1.2;text-align:center}
.os-mono{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--accent-line);border-radius:13px;background:linear-gradient(150deg,color-mix(in srgb,var(--accent) 38%,var(--surface-2)),color-mix(in srgb,var(--accent) 12%,var(--surface)));font-size:14px;font-weight:700;letter-spacing:.5px;color:var(--text);transition:box-shadow .25s,translate .25s}
button.os-app{margin:0;font-family:inherit;background:none;cursor:pointer}
button.os-app:hover,button.os-app:focus-visible{border-color:var(--accent-line);background:var(--accent-bg)}
button.os-app:hover .os-mono{translate:0 -2px}
button.os-app[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-bg)}
button.os-app[aria-pressed="true"] .os-mono{box-shadow:0 0 0 3px var(--accent-glow),0 10px 22px -10px var(--accent)}

.os-dock{display:flex;align-items:center;gap:12px;margin:6px 14px 14px;padding:8px 14px;border:1px solid var(--accent-line);border-radius:18px;background:linear-gradient(180deg,var(--accent-bg),color-mix(in srgb,var(--accent) 5%,var(--surface-2)))}
.os-dock .os-label{flex:none;max-width:64px;margin:0;line-height:1.35}
.os-dock .os-apps{flex:1;flex-wrap:nowrap;justify-content:space-between}

.os-peek{align-self:start;margin:14px 16px 8px 0;overflow:hidden;border:1px solid var(--accent-line);border-radius:16px;background:var(--surface-2);box-shadow:0 18px 40px -22px rgb(0 0 0 / .5);animation:os-in .35s var(--ease) both}
@keyframes os-in{from{opacity:0;translate:10px 0}}
.pk-bar{display:flex;align-items:center;gap:7px;padding:8px 8px 8px 12px;border-bottom:1px solid var(--edge);background:var(--surface-3)}
.pk-bar b{min-width:0;overflow:hidden;font-size:12.5px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}
.pk-bar em{flex:none;margin-left:auto;padding:2px 8px;border:1px dashed var(--edge-strong);border-radius:99px;font-size:9.5px;font-style:normal;letter-spacing:1px;text-transform:uppercase;color:var(--text-4)}
.pk-x{flex:none;display:grid;place-items:center;width:24px;height:24px;margin:0;padding:0;border:0;border-radius:7px;font-family:inherit;font-size:16px;line-height:1;color:var(--text-4);background:none;cursor:pointer}
.pk-x:hover,.pk-x:focus-visible{color:var(--text);background:var(--accent-bg)}
.pk-body{padding:14px 14px 16px}
.pk-group{margin:0 0 4px;font-size:10px;font-weight:600;letter-spacing:1.6px;text-transform:uppercase;color:var(--accent)}
.pk-hint{margin:0 0 4px;font-size:13px;color:var(--text-2)}
.pk-skel{margin-top:14px}
.pk-lines{display:grid;gap:7px;margin:14px 0 4px}
.pk-lines s{display:block;height:24px;border-radius:7px;border:1px solid var(--edge);background:color-mix(in srgb,var(--text) 4%,#0000)}
.pk-lines s:nth-child(2){width:88%}.pk-lines s:nth-child(3){width:74%}
.pk-skel i{display:block;height:8px;margin-bottom:7px;border-radius:5px;background:color-mix(in srgb,var(--text) 14%,#0000)}
.pk-skel i:nth-child(1){width:72%}.pk-skel i:nth-child(2){width:46%}
.pk-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin:12px 0}
.pk-cols s{height:32px;border:1px solid var(--accent-line);border-radius:8px;background:var(--accent-bg)}
.pk-bars{display:flex;align-items:flex-end;gap:5px;height:72px}
.pk-bars s{flex:1;height:var(--h);border-radius:4px 4px 0 0;background:linear-gradient(var(--accent),color-mix(in srgb,var(--accent) 25%,#0000))}
.pk-note{margin:12px 0 0;font-size:11.5px;line-height:1.45;color:var(--text-4)}

/* ---------- Phần mềm đã thực hiện: a window that lists built software, or says it is being updated ---------- */
.sw-done{padding-top:36px}
.sw-done-win{overflow:hidden;border-style:solid;border-width:1px;border-color:var(--edge-strong);border-radius:24px;background:var(--surface);box-shadow:var(--card-shadow)}
.sw-done-body{padding:30px 30px 34px}
.sw-done-slots{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:0;padding:0;list-style:none}
.sw-done-slots li{display:grid;align-content:center;gap:14px;min-height:124px;padding:18px 20px;border-style:dashed;border-width:1px;border-color:var(--accent-line);border-radius:18px;background:color-mix(in srgb,var(--text) 3%,#0000)}
.sw-done-slots span{display:block;width:44px;height:44px;border-style:dashed;border-width:1px;border-color:var(--accent-line);border-radius:13px;background:var(--accent-bg)}
.sw-done-slots i{display:block;width:62%;height:8px;border-radius:5px;background:color-mix(in srgb,var(--text) 12%,#0000)}
.sw-done-state{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px 18px;margin:28px 0 0;text-align:center}
.sw-done-state b{display:inline-flex;align-items:center;gap:10px;padding:8px 18px;border-style:solid;border-width:1px;border-color:var(--accent-line);border-radius:99px;font-size:15px;font-weight:600;background:var(--accent-bg)}
.sw-done-state b:before{content:'';width:8px;height:8px;border-radius:50%;background:var(--accent);animation:sw-pulse 2s ease-in-out infinite}
.sw-done-state span{font-size:16px;color:var(--text-2)}
@keyframes sw-pulse{50%{opacity:.25}}
.sw-done-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin:0;padding:0;list-style:none}
.sw-done-item{display:flex;align-items:center;gap:14px;padding:14px 18px 14px 14px;border-style:solid;border-width:1px;border-color:var(--accent-line);border-radius:18px;background:var(--accent-bg)}
.sw-done-item b{font-size:16px;font-weight:600}
.sw-done-item small{display:block;margin-top:2px;font-size:13px;color:var(--text-2)}


.sw-section-lead{max-width:78ch;color:var(--text-2);line-height:1.8;margin:20px 0 32px}
.sw-needs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.sw-need{display:flex;flex-direction:column;align-items:flex-start;padding:28px;border:1px solid var(--edge);border-radius:20px;background:var(--surface);min-width:0}
.sw-need-num,.sw-process li>span{color:var(--accent,#56dce8);font-size:13px;letter-spacing:.12em}
.sw-need h3{font-size:21px;line-height:1.4;margin:18px 0 12px}
.sw-need p,.sw-process p{color:var(--text-2);font-size:15px;line-height:1.8}
.sw-need small{color:var(--text-2);font-size:12px;line-height:1.7;margin-top:auto;padding-top:22px}
.sw-need a{display:inline-flex;gap:16px;margin-top:18px;font-size:14px;font-weight:650;color:var(--accent,#56dce8);text-decoration:none}
.sw-need a:focus-visible{outline:2px solid currentColor;outline-offset:5px}
.sw-process{list-style:none;padding:0;margin:32px 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.sw-process li{border-top:1px solid var(--edge);padding-top:20px}
.sw-process h3{font-size:18px;margin:16px 0 12px}
.sw-start{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-top:32px;padding-top:28px;border-top:1px solid var(--edge)}
.sw-start p{max-width:65ch;color:var(--text-2);line-height:1.8}
.sw-start .btn{flex-shrink:0}
@media(max-width:900px){.sw-needs,.sw-process{grid-template-columns:repeat(2,minmax(0,1fr))}.sw-start{align-items:flex-start;flex-direction:column}}
@media(max-width:600px){.sw-needs,.sw-process{grid-template-columns:minmax(0,1fr)}.sw-need{padding:24px}.sw-process{gap:26px}}

/* ---------- responsive ---------- */
@media(max-width:1060px){
  .sw-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .sw-lead{max-width:44ch}
}
@media(max-width:900px){
  .sw-done-slots{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:700px){
  .sw-hero{padding:96px 0 48px}
  .sw-hero h1{letter-spacing:-1.8px}
  .os-win.has-peek .os-body{grid-template-columns:minmax(0,1fr)}
  .os-peek{order:-1;margin:12px 14px 0}
  .pk-skel,.pk-note{display:none}
  .pk-body{padding:12px 14px 14px}
  .os-desk{padding:12px 14px 6px}
  .os-apps{flex-wrap:nowrap;margin-right:-14px;padding-right:14px;overflow-x:auto;scrollbar-width:none}
  .os-apps::-webkit-scrollbar{display:none}
  .os-app{flex:none}
  .os-top{display:grid;gap:6px}
  .os-dock{flex-direction:column;align-items:stretch;gap:2px;margin:6px 10px 12px;padding:8px 10px}
  .os-dock .os-label{max-width:none}
  .os-dock .os-apps{justify-content:flex-start}
  .sw-done-body{padding:20px 16px 24px}
  .sw-done-slots{gap:10px}
  .sw-done-slots li{min-height:100px;padding:14px}
  .sw-done-state{flex-direction:column;margin-top:22px}
}
@media(prefers-reduced-motion:reduce){
  .os-peek,.sw-done-state b:before{animation:none}
  .os-mono,button.os-app:hover .os-mono{transition:none;translate:none}
}