@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&display=swap');

/* TPI OS: progressive enhancement over the complete static site. */
body.tpi-os-ready{overflow:hidden;background:#eef2f8}
.tpi-os-ready>.site-header,.tpi-os-ready>main,.tpi-os-ready>.site-footer,.tpi-os-ready>footer,.tpi-os-ready>.skip{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.tpi-os{--os-ink:#121721;--os-muted:#616b7a;--os-blue:#2e5bc8;--os-line:rgba(18,23,33,.13);--os-glass:rgba(252,253,255,.76);--os-shadow:0 34px 90px rgba(31,47,82,.18);position:fixed;inset:0;z-index:100;overflow:hidden;color:var(--os-ink);font-family:"Outfit","Noto Sans TC",sans-serif;background:#edf1f7 url("tpi-os-wallpaper.png") center/cover no-repeat;isolation:isolate}
.tpi-os:before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at var(--os-px,76%) var(--os-py,20%),rgba(46,91,200,.12),transparent 28rem),linear-gradient(180deg,rgba(255,255,255,.18),rgba(235,240,248,.12));pointer-events:none}
.tpi-os button,.tpi-os a{font:inherit}.tpi-os button{color:inherit}.tpi-os :focus-visible{outline:3px solid rgba(46,91,200,.35);outline-offset:3px}
.os-topbar{position:absolute;z-index:60;top:.8rem;left:50%;translate:-50% 0;width:min(calc(100% - 1.6rem),88rem);height:3.5rem;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:.45rem .6rem;border:1px solid rgba(255,255,255,.68);border-radius:1rem;background:rgba(249,251,255,.68);backdrop-filter:blur(24px) saturate(1.2);box-shadow:0 10px 32px rgba(31,47,82,.1)}
.os-menu-button{display:inline-flex;align-items:center;gap:.65rem;width:max-content;min-height:2.6rem;padding:.55rem .78rem;border:0;border-radius:.7rem;background:transparent;cursor:pointer;font-weight:700}.os-menu-button:hover,.os-menu-button[aria-expanded="true"]{background:rgba(46,91,200,.1)}.os-menu-button svg{width:1.15rem}.os-brand{display:flex;align-items:center;gap:.7rem;font-weight:700;letter-spacing:-.02em}.os-brand-mark{width:2rem;height:2rem;border-radius:.55rem;display:grid;place-items:center;background:var(--os-blue);color:#fff;font-size:.72rem;box-shadow:0 8px 18px rgba(46,91,200,.26)}.os-brand small{display:block;color:var(--os-muted);font:.55rem "DM Mono",monospace;letter-spacing:.04em;text-transform:uppercase}.os-status{justify-self:end;display:flex;align-items:center;gap:.75rem;color:var(--os-muted);font:500 .68rem "DM Mono",monospace}.os-status svg{width:1rem}.os-clock{min-width:4.5rem;text-align:right}
.os-menu-panel{position:absolute;z-index:70;top:4.8rem;left:max(.8rem,calc((100vw - 88rem)/2));width:min(22rem,calc(100vw - 1.6rem));padding:.8rem;border:1px solid rgba(255,255,255,.8);border-radius:1.15rem;background:rgba(250,252,255,.86);backdrop-filter:blur(28px) saturate(1.25);box-shadow:0 30px 70px rgba(31,47,82,.2);opacity:0;visibility:hidden;transform:translateY(-.7rem) scale(.97);transform-origin:top left;transition:opacity .24s ease,transform .42s cubic-bezier(.2,.8,.2,1),visibility .24s}.os-menu-panel.open{opacity:1;visibility:visible;transform:none}.os-menu-head{display:flex;align-items:center;justify-content:space-between;padding:.6rem .6rem .9rem;border-bottom:1px solid var(--os-line)}.os-menu-head strong{font-size:1.05rem}.os-menu-head span{color:var(--os-muted);font:500 .62rem "DM Mono",monospace}.os-menu-grid{display:grid;grid-template-columns:1fr 1fr;gap:.45rem;padding-top:.7rem}.os-menu-item{min-height:4.7rem;padding:.72rem;border:0;border-radius:.85rem;background:transparent;display:flex;align-items:flex-start;gap:.7rem;text-align:left;cursor:pointer}.os-menu-item:hover{background:rgba(46,91,200,.09)}.os-menu-item svg{flex:0 0 auto;width:1.15rem;margin-top:.1rem;color:var(--os-blue)}.os-menu-item strong{display:block;font-size:.88rem}.os-menu-item small{display:block;color:var(--os-muted);font-size:.7rem;line-height:1.3;margin-top:.15rem}
.os-desktop{position:absolute;inset:5.3rem 1rem 6.4rem;display:grid;grid-template-columns:minmax(11rem,15rem) 1fr;gap:1rem;pointer-events:none}.os-icon-grid{align-self:start;display:grid;grid-template-columns:repeat(2,minmax(4.5rem,1fr));gap:1rem .55rem;max-height:calc(100dvh - 13rem);overflow:auto;padding:.5rem;pointer-events:auto;scrollbar-width:none}.os-icon-grid::-webkit-scrollbar{display:none}.os-app-icon{min-width:0;padding:.25rem;border:0;background:transparent;text-align:center;cursor:pointer;border-radius:.9rem}.os-app-icon:hover{background:rgba(255,255,255,.35)}.os-icon-tile{position:relative;width:3.65rem;height:3.65rem;margin:0 auto .45rem;border:1px solid rgba(255,255,255,.72);border-radius:1.08rem;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,var(--icon-a,#2e5bc8),var(--icon-b,#193d91));box-shadow:0 15px 28px rgba(31,47,82,.2),inset 0 1px 0 rgba(255,255,255,.3);transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s}.os-app-icon:hover .os-icon-tile{transform:translateY(-5px) scale(1.04);box-shadow:0 21px 36px rgba(31,47,82,.25),inset 0 1px 0 rgba(255,255,255,.3)}.os-icon-tile svg{width:1.7rem;height:1.7rem;stroke-width:1.7}.os-icon-fallback{font:700 .72rem "DM Mono",monospace}.os-icon-badge{position:absolute;right:-.28rem;top:-.28rem;min-width:1.25rem;height:1.25rem;padding:0 .3rem;border-radius:999px;display:grid;place-items:center;background:#fff;color:var(--os-blue);font:600 .58rem "DM Mono",monospace;box-shadow:0 5px 14px rgba(31,47,82,.18)}.os-app-label{display:block;color:var(--os-ink);font-size:.72rem;font-weight:650;line-height:1.15;text-shadow:0 1px 8px rgba(255,255,255,.95);overflow-wrap:anywhere}
.os-welcome-widget{align-self:end;justify-self:end;width:min(32rem,42vw);margin:0 1rem 1rem 0;padding:1.3rem;border:1px solid rgba(255,255,255,.7);border-radius:1.2rem;background:rgba(249,251,255,.56);backdrop-filter:blur(20px);box-shadow:0 20px 55px rgba(31,47,82,.12);pointer-events:auto}.os-welcome-widget .os-overline{color:var(--os-blue);font:500 .65rem "DM Mono",monospace;letter-spacing:.09em;text-transform:uppercase}.os-widget-title{font-size:clamp(2rem,4vw,4.6rem);font-weight:700;line-height:.9;letter-spacing:-.06em;margin:.65rem 0 .75rem;max-width:8ch}.os-widget-title span{color:var(--os-blue)}.os-welcome-widget p{margin:0;color:var(--os-muted);max-width:44ch;font-size:.94rem}.os-widget-actions{display:flex;gap:.55rem;margin-top:1.1rem}.os-mini-action{min-height:2.65rem;padding:.62rem .85rem;border:1px solid var(--os-line);border-radius:.72rem;background:rgba(255,255,255,.7);font-size:.78rem;font-weight:700;cursor:pointer}.os-mini-action.primary{background:var(--os-blue);border-color:var(--os-blue);color:#fff}
.os-dock{position:absolute;z-index:65;left:50%;bottom:.9rem;translate:-50% 0;display:flex;align-items:end;gap:.4rem;padding:.48rem;border:1px solid rgba(255,255,255,.75);border-radius:1.2rem;background:rgba(249,251,255,.66);backdrop-filter:blur(26px) saturate(1.2);box-shadow:0 22px 58px rgba(31,47,82,.18)}.os-dock-button{position:relative;width:3.3rem;height:3.3rem;border:0;border-radius:.9rem;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,var(--dock-a,#2e5bc8),var(--dock-b,#193d91));box-shadow:inset 0 1px 0 rgba(255,255,255,.25);cursor:pointer;transition:transform .36s cubic-bezier(.2,.8,.2,1),margin .36s}.os-dock-button:hover{transform:translateY(-7px) scale(1.08);margin-inline:.16rem}.os-dock-button svg{width:1.35rem}.os-dock-button:after{content:attr(data-label);position:absolute;bottom:calc(100% + .6rem);left:50%;translate:-50% .3rem;padding:.35rem .48rem;border-radius:.42rem;background:#171c26;color:#fff;font-size:.65rem;white-space:nowrap;opacity:0;pointer-events:none;transition:.2s}.os-dock-button:hover:after{opacity:1;translate:-50% 0}.os-dock-separator{width:1px;height:2.25rem;background:var(--os-line);margin:.4rem .1rem}
.os-window-layer{position:absolute;inset:4.9rem 1rem 5.6rem;z-index:45;pointer-events:none}.os-window{position:absolute;left:50%;top:50%;width:min(58rem,calc(100vw - 4rem));height:min(40rem,calc(100dvh - 12rem));translate:-50% -50%;display:grid;grid-template-rows:3.25rem 1fr;border:1px solid rgba(255,255,255,.88);border-radius:1.05rem;background:rgba(253,254,255,.82);backdrop-filter:blur(30px) saturate(1.18);box-shadow:var(--os-shadow);overflow:hidden;pointer-events:auto;opacity:0;visibility:hidden;transform:translateY(1.2rem) scale(.94);transition:opacity .24s ease,transform .46s cubic-bezier(.2,.8,.2,1),visibility .24s}.os-window.open{opacity:1;visibility:visible;transform:none}.os-window.maximized{width:calc(100vw - 2rem);height:calc(100dvh - 6.8rem);top:4.9rem;left:1rem;translate:0 0}.os-window.minimized{opacity:0;visibility:hidden;transform:translateY(55vh) scale(.2)}.os-window-bar{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:.8rem;padding:.5rem .65rem;border-bottom:1px solid var(--os-line);background:rgba(255,255,255,.48);cursor:grab;user-select:none}.os-window-controls{display:flex;gap:.45rem}.os-window-control{width:.78rem;height:.78rem;border:0;border-radius:50%;padding:0;cursor:pointer}.os-window-control.close{background:#ff6b67}.os-window-control.minimize{background:#ffbd4b}.os-window-control.maximize{background:#27c840}.os-window-title{text-align:center;font-size:.82rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.os-window-meta{color:var(--os-muted);font:500 .62rem "DM Mono",monospace}.os-window-body{overflow:auto;overscroll-behavior:contain;padding:clamp(1.15rem,3vw,2.25rem);scrollbar-color:rgba(46,91,200,.28) transparent}.os-window-content{max-width:52rem;margin:auto}.os-window-content .os-overline{color:var(--os-blue);font:500 .65rem "DM Mono",monospace;text-transform:uppercase;letter-spacing:.09em}.os-window-content h2{font-size:clamp(2rem,5vw,4.8rem);line-height:.92;letter-spacing:-.055em;margin:.75rem 0 1rem;max-width:11ch}.os-window-content h3{font-size:1.2rem;margin:0 0 .4rem}.os-window-content p{color:var(--os-muted);max-width:62ch}.os-window-content .cn{font-family:"Noto Sans TC",sans-serif}.os-window-actions{display:flex;gap:.65rem;flex-wrap:wrap;margin-top:1.25rem}.os-window-link{display:inline-flex;align-items:center;gap:.4rem;min-height:2.75rem;padding:.65rem .88rem;border-radius:.72rem;background:var(--os-blue);color:#fff;font-size:.8rem;font-weight:700;text-decoration:none;border:0;cursor:pointer}.os-window-link.secondary{background:#fff;color:var(--os-ink);border:1px solid var(--os-line)}
.os-metric-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:2rem;border:1px solid var(--os-line);border-radius:.8rem;overflow:hidden}.os-metric{padding:1.1rem;border-right:1px solid var(--os-line);background:rgba(255,255,255,.55)}.os-metric:last-child{border:0}.os-metric strong{display:block;color:var(--os-blue);font:500 2.5rem/.95 "DM Mono",monospace}.os-metric span{display:block;color:var(--os-muted);font:.6rem "DM Mono",monospace;text-transform:uppercase;letter-spacing:.07em;margin-top:.45rem}
.os-info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;margin-top:1.5rem}.os-info-card{padding:1.1rem;border:1px solid var(--os-line);border-radius:.8rem;background:rgba(255,255,255,.55)}.os-info-card small{color:var(--os-blue);font:500 .6rem "DM Mono",monospace;letter-spacing:.07em}.os-info-card p{margin:.25rem 0 0;font-size:.86rem}.os-step-list{display:grid;gap:.65rem;margin-top:1.5rem}.os-step{display:grid;grid-template-columns:2rem 1fr;gap:.75rem;padding:1rem;border-top:1px solid var(--os-line)}.os-step>span{color:var(--os-blue);font:500 .68rem "DM Mono",monospace}.os-step p{margin:0;font-size:.86rem}
.os-launchpad{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1.2rem .75rem;margin-top:1.6rem}.os-launchpad .os-app-icon{padding:.45rem}.os-launchpad .os-icon-tile{width:4.2rem;height:4.2rem}.os-launchpad .os-app-label{font-size:.78rem}.os-product-detail{display:grid;grid-template-columns:8rem 1fr;gap:1.5rem;align-items:start}.os-product-detail>.os-icon-tile{width:7rem;height:7rem;border-radius:1.6rem;margin:0}.os-product-detail>.os-icon-tile svg{width:3rem;height:3rem}.os-product-category{color:var(--os-blue);font:500 .66rem "DM Mono",monospace;text-transform:uppercase;letter-spacing:.08em}.os-product-detail h2{margin:.5rem 0 1rem}.os-product-points{padding-left:1.1rem;color:var(--os-muted)}.os-product-points li+li{margin-top:.4rem}.os-partner-strip{display:flex;gap:.45rem;flex-wrap:wrap;margin-top:1rem}.os-partner-strip span{padding:.42rem .62rem;border:1px solid var(--os-line);border-radius:999px;background:#fff;font-size:.72rem}
.os-toast{position:absolute;z-index:90;top:5rem;right:1rem;max-width:20rem;padding:.8rem 1rem;border:1px solid rgba(255,255,255,.8);border-radius:.8rem;background:rgba(20,26,38,.88);color:#fff;box-shadow:0 18px 45px rgba(31,47,82,.22);font-size:.78rem;opacity:0;transform:translateY(-.6rem);pointer-events:none;transition:.25s}.os-toast.show{opacity:1;transform:none}
@media(max-width:1050px){.os-desktop{grid-template-columns:12rem 1fr}.os-icon-grid{grid-template-columns:repeat(2,5rem)}.os-welcome-widget{width:min(29rem,52vw)}.os-launchpad{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:700px){body.tpi-os-ready{overscroll-behavior:none}.tpi-os{background-position:62% center}.tpi-os:before{background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(237,242,249,.08))}.os-topbar{top:0;left:0;translate:0 0;width:100%;height:3.65rem;border:0;border-radius:0;padding:.45rem .7rem;background:rgba(248,250,254,.68);box-shadow:0 1px 0 rgba(18,23,33,.08);grid-template-columns:1fr auto}.os-brand{display:none}.os-menu-button{font-size:.78rem}.os-menu-button span{display:none}.os-status{gap:.5rem}.os-status .os-location{display:none}.os-menu-panel{top:4.15rem;left:.65rem;right:.65rem;width:auto;max-height:calc(100dvh - 9rem);overflow:auto}.os-menu-grid{grid-template-columns:1fr}.os-menu-item{min-height:4rem}.os-desktop{inset:4.25rem .45rem 5.6rem;display:block}.os-icon-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.15rem .15rem;max-height:none;overflow:visible;padding:.8rem .2rem}.os-icon-grid .os-app-icon:nth-child(n+13){display:none}.os-icon-tile{width:3.5rem;height:3.5rem;border-radius:1rem}.os-app-label{font-size:.66rem;max-width:5rem;margin:auto}.os-welcome-widget{position:absolute;left:.35rem;right:.35rem;bottom:.45rem;width:auto;margin:0;padding:1rem;border-radius:1rem}.os-widget-title{font-size:1.85rem;margin:.45rem 0;max-width:12ch}.os-welcome-widget p{font-size:.76rem;line-height:1.4;max-width:36ch}.os-welcome-widget .cn{display:none}.os-widget-actions{display:none}.os-dock{bottom:.55rem;width:calc(100% - 1rem);justify-content:center;border-radius:1.25rem;padding:.45rem;gap:.55rem}.os-dock-button{width:3.25rem;height:3.25rem}.os-dock-button:hover{transform:none;margin:0}.os-dock-button:after,.os-dock-separator{display:none}.os-window-layer{inset:3.65rem 0 0;z-index:75}.os-window,.os-window.maximized{left:0;top:0;translate:0 0;width:100%;height:100%;border:0;border-radius:0;grid-template-rows:3.4rem 1fr;background:rgba(250,252,255,.93);transform:translateY(100%);backdrop-filter:blur(30px)}.os-window.open{transform:none}.os-window.minimized{transform:translateY(100%);opacity:1}.os-window-bar{cursor:default;padding:.55rem .8rem}.os-window-control.maximize,.os-window-control.minimize,.os-window-meta{display:none}.os-window-controls{width:2.4rem}.os-window-control.close{width:2rem;height:2rem;background:transparent;position:relative}.os-window-control.close:before{content:"‹";position:absolute;inset:0;display:grid;place-items:center;color:var(--os-blue);font-size:1.8rem}.os-window-body{padding:1.15rem 1rem 6.2rem}.os-window-content h2{font-size:clamp(2.6rem,13vw,4.6rem)}.os-metric-grid{grid-template-columns:1fr}.os-metric{border-right:0;border-bottom:1px solid var(--os-line);display:flex;align-items:baseline;gap:.8rem}.os-metric:last-child{border-bottom:0}.os-metric strong{font-size:2rem}.os-info-grid{grid-template-columns:1fr}.os-launchpad{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem .35rem}.os-launchpad .os-icon-tile{width:3.6rem;height:3.6rem}.os-launchpad .os-app-label{font-size:.68rem}.os-product-detail{grid-template-columns:1fr}.os-product-detail>.os-icon-tile{width:5.5rem;height:5.5rem}.os-toast{top:4.2rem;right:.65rem;left:.65rem;max-width:none}}
@media(max-width:370px){.os-icon-grid{grid-template-columns:repeat(3,1fr)}.os-icon-grid .os-app-icon:nth-child(n+10){display:none}.os-welcome-widget{display:none}.os-dock{gap:.35rem}.os-dock-button{width:3rem;height:3rem}}
@media(prefers-reduced-motion:reduce){.os-menu-panel,.os-window,.os-app-icon .os-icon-tile,.os-dock-button,.os-toast{transition:none!important}.tpi-os *{scroll-behavior:auto!important}}

/* TPI Company OS v2 — dramatic Hong Kong network direction */
.tpi-os{--os-ink:#f6f4ef;--os-muted:#a9bbc0;--os-blue:#df4d2f;--os-cyan:#7ac7cc;--os-line:rgba(134,190,194,.2);--os-glass:rgba(5,25,31,.9);--os-shadow:0 34px 110px rgba(0,0,0,.5);background:#04171d url("tpi-future-city-light-v5.png") center/cover no-repeat;color:var(--os-ink)}
.tpi-os:before{background:radial-gradient(circle at var(--os-px,78%) var(--os-py,18%),rgba(82,176,184,.16),transparent 25rem),linear-gradient(90deg,rgba(3,18,24,.24),rgba(3,18,24,.02) 60%,rgba(3,18,24,.15))}
.tpi-os:after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.18;background-image:linear-gradient(rgba(130,200,204,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(130,200,204,.16) 1px,transparent 1px);background-size:5rem 5rem;mask-image:linear-gradient(to bottom,black,transparent 75%)}
.os-topbar{top:1rem;width:min(calc(100% - 2rem),96rem);height:4rem;border:0;border-radius:.35rem;background:#f7f6f2;color:#071b21;box-shadow:0 18px 55px rgba(0,0,0,.24);backdrop-filter:none}
.os-menu-button:hover,.os-menu-button[aria-expanded="true"]{background:rgba(223,77,47,.1)}
.os-brand-mark{border-radius:50%;background:transparent;color:#071b21;border:2px solid #df4d2f;box-shadow:none;position:relative}.os-brand-mark:after{content:"";position:absolute;width:.35rem;height:.35rem;background:#df4d2f;border-radius:50%}
.os-brand small,.os-status{color:#506269}.os-status{gap:.35rem}.os-status-button{min-height:2.45rem;padding:.45rem .62rem;border:0;border-radius:.3rem;background:transparent;display:flex;align-items:center;gap:.45rem;color:#071b21;cursor:pointer;font:600 .65rem "DM Mono",monospace}.os-status-button:hover{background:rgba(223,77,47,.1)}.os-status-button svg{width:1rem}.os-clock{min-width:3.2rem}
.os-menu-panel{top:5.45rem;left:max(1rem,calc((100vw - 96rem)/2));width:min(30rem,calc(100vw - 2rem));border:1px solid rgba(122,199,204,.28);border-radius:.35rem;background:rgba(4,23,29,.97);box-shadow:0 35px 90px rgba(0,0,0,.52);color:#fff}
.os-menu-head{border-color:var(--os-line)}.os-menu-head span,.os-menu-item small{color:#9fb2b7}.os-menu-item{border-radius:.25rem}.os-menu-item:hover{background:rgba(122,199,204,.1)}.os-menu-item svg{color:#df4d2f}
.os-desktop{inset:6rem 1rem 6.4rem;grid-template-columns:minmax(24rem,31rem) 1fr}
.os-icon-grid{grid-template-columns:repeat(4,minmax(5.5rem,1fr));gap:1.15rem .4rem;max-height:calc(100dvh - 14rem);padding:.5rem .2rem 2rem;align-content:start}
.os-app-icon{border-radius:.25rem;padding:.3rem;color:#fff}.os-app-icon:hover{background:rgba(122,199,204,.09)}
.os-icon-tile{width:4.25rem;height:4.25rem;border:1px solid rgba(122,199,204,.45);border-radius:1.08rem;background:linear-gradient(145deg,#df4d2f,#892f24);box-shadow:0 15px 35px rgba(0,0,0,.36),inset 0 1px 0 rgba(255,255,255,.22);overflow:hidden}
.os-icon-tile.authentic{border-color:rgba(255,255,255,.35);background:#0d252b}.os-icon-tile.authentic img{display:block;width:100%;height:100%;object-fit:cover}.os-icon-tile.large{width:8rem;height:8rem;border-radius:1.75rem}
.os-app-label{color:#fff;font-size:.7rem;font-weight:680;text-shadow:0 2px 12px #000}
.os-system-widget{align-self:end;justify-self:end;width:min(32rem,42vw);margin:0 1rem 1rem 0;padding:1.4rem;border:1px solid rgba(122,199,204,.32);border-left:4px solid #df4d2f;border-radius:.25rem;background:rgba(4,23,29,.83);backdrop-filter:blur(20px);box-shadow:0 28px 70px rgba(0,0,0,.36);pointer-events:auto}.os-system-widget .os-overline{color:#80cbd0;font:500 .64rem "DM Mono",monospace;letter-spacing:.1em}.os-system-widget>strong{display:block;font-size:clamp(1.8rem,3.5vw,4rem);letter-spacing:-.055em;line-height:.9;margin:.75rem 0 1.1rem}.os-system-widget em{color:#df4d2f;font-style:normal}.os-system-actions{display:flex;gap:.5rem}.os-system-actions button{min-height:2.55rem;padding:.58rem .75rem;border:1px solid var(--os-line);border-radius:.2rem;background:rgba(255,255,255,.06);color:#fff;cursor:pointer;font-size:.75rem}.os-system-actions button:hover{background:#df4d2f;border-color:#df4d2f}.os-system-actions svg{width:1rem;vertical-align:middle;margin-right:.25rem}
.os-window-layer{inset:5.7rem 1rem 5.6rem}.os-window{width:min(66rem,calc(100vw - 3rem));height:min(43rem,calc(100dvh - 12rem));border:1px solid rgba(122,199,204,.36);border-radius:.45rem;background:rgba(4,23,29,.94);box-shadow:0 38px 120px rgba(0,0,0,.58);color:#fff}.os-window-bar{border-color:var(--os-line);background:rgba(2,15,20,.78)}.os-window.maximized{top:5.7rem}.os-window-meta{color:#789298}
.os-window-body{padding:clamp(1.5rem,4vw,3.25rem)}.os-window-content{max-width:57rem}.os-window-content .os-overline{color:#80cbd0}.os-window-content h2{font-size:clamp(2.7rem,5.7vw,6.1rem);max-width:12ch;line-height:.88}.os-window-content h2 span{color:#df4d2f}.os-window-content p{color:#b1c0c4;font-size:1rem}.os-home-hero{position:relative;padding-right:5rem}.os-home-hero:after{content:"";position:absolute;right:0;top:.4rem;width:3.3rem;height:3.3rem;border:1px solid rgba(122,199,204,.6);border-radius:50%;box-shadow:0 0 0 1rem rgba(122,199,204,.05),0 0 0 2rem rgba(122,199,204,.025)}
.os-window-link{border-radius:.2rem;background:#df4d2f;color:#fff}.os-window-link.secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.os-metric-grid{grid-template-columns:repeat(4,1fr);margin-top:2.2rem;border:0;border-radius:0;overflow:visible;box-shadow:0 24px 60px rgba(0,0,0,.25)}.os-metric{position:relative;min-height:8rem;padding:1.25rem;background:#f4f3ef;color:#071b21;border-color:#d9d9d4}.os-metric small{position:absolute;top:.75rem;left:.75rem;display:grid;place-items:center;width:1.55rem;height:1.55rem;border-radius:.25rem;background:#fae4de;color:#c83f25;font:600 .58rem "DM Mono",monospace}.os-metric strong{color:#071b21;margin-top:1.3rem}.os-metric span{color:#53636a}
.os-info-card{border-radius:.2rem;background:rgba(255,255,255,.055);border-color:var(--os-line)}.os-info-card small,.os-step>span,.os-product-category{color:#df674f}.os-info-card p,.os-step p,.os-product-points{color:#adbec2}.os-step{border-color:var(--os-line)}.os-partner-strip span{background:rgba(255,255,255,.06);border-color:var(--os-line);color:#fff}
.os-launchpad{grid-template-columns:repeat(6,minmax(0,1fr));gap:1.4rem .55rem}.os-launchpad .os-icon-tile{width:4.7rem;height:4.7rem}.os-launchpad .os-app-label{color:#fff}.os-product-detail{grid-template-columns:9rem 1fr}.os-product-detail>.os-icon-tile{width:8rem;height:8rem;margin:0}
.os-dock{bottom:1rem;border:1px solid rgba(122,199,204,.35);border-radius:.4rem;background:rgba(3,18,24,.9);box-shadow:0 24px 65px rgba(0,0,0,.48)}.os-dock-button{border-radius:.25rem;background:transparent;color:#fff;box-shadow:none}.os-dock-button:hover{background:#df4d2f}.os-dock-separator{background:var(--os-line)}
.os-weather-detail{display:grid;grid-template-columns:8rem 1fr;gap:2rem;align-items:center}.os-weather-glyph{width:7rem;height:7rem;border-radius:50%;display:grid;place-items:center;background:#df4d2f;color:#fff;box-shadow:0 0 0 1.25rem rgba(223,77,47,.08),0 0 0 2.5rem rgba(223,77,47,.04)}.os-weather-glyph svg{width:3.2rem;height:3.2rem}.os-weather-stats{display:flex;gap:1rem;margin-top:1.5rem}.os-weather-stats span{min-width:8rem;padding:1rem;border:1px solid var(--os-line);background:rgba(255,255,255,.05)}.os-weather-stats small{display:block;color:#80cbd0;font:.58rem "DM Mono",monospace}.os-weather-stats strong{display:block;margin-top:.35rem;font-size:1.35rem}
.os-music-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(17rem,.75fr);gap:1.2rem}.os-now-playing,.os-spotify-connect{padding:1.35rem;border:1px solid var(--os-line);background:rgba(255,255,255,.045)}.os-now-playing h2{font-size:clamp(2.4rem,5vw,5rem)}.os-record{width:min(18rem,62vw);aspect-ratio:1;margin:1.6rem auto;border-radius:50%;display:grid;place-items:center;background:repeating-radial-gradient(circle,#111 0 4px,#242424 5px 7px);box-shadow:0 28px 65px rgba(0,0,0,.55);animation:os-spin 16s linear infinite}.os-record span{position:absolute;width:27%;aspect-ratio:1;border-radius:50%;background:#df4d2f}.os-record svg{position:relative;z-index:1;width:2.4rem}.os-music-note{font-size:.76rem!important;text-align:center}.os-spotify-embed{width:100%;height:352px;border:0;border-radius:.3rem;margin-top:1rem}.os-spotify-connect label{display:block;font-size:1.25rem;font-weight:700}.os-spotify-connect p{font-size:.82rem}.os-spotify-connect>div{display:grid;gap:.5rem;margin-top:1rem}.os-spotify-connect input,.os-spotify-connect button{width:100%;min-height:3rem;padding:.65rem .75rem;border-radius:.2rem;font:inherit}.os-spotify-connect input{border:1px solid var(--os-line);background:#fff;color:#071b21}.os-spotify-connect button{border:0;background:#1ed760;color:#06150a;font-weight:800;cursor:pointer}.os-spotify-connect small{display:block;color:#82979c;margin-top:.65rem}.os-toast{background:#df4d2f;border-radius:.2rem}
@keyframes os-spin{to{transform:rotate(360deg)}}

@media(max-width:1180px){.os-desktop{grid-template-columns:20rem 1fr}.os-icon-grid{grid-template-columns:repeat(3,minmax(5rem,1fr))}.os-launchpad{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(max-width:700px){.tpi-os{background-position:70% center}.tpi-os:before{background:linear-gradient(180deg,rgba(3,18,24,.08),rgba(3,18,24,.42))}.tpi-os:after{background-size:3.5rem 3.5rem}.os-topbar{height:3.7rem;background:#f7f6f2}.os-weather-compact span{display:none}.os-status-button{padding:.4rem}.os-desktop{inset:4rem .35rem 5.4rem;display:block}.os-icon-grid{grid-template-columns:repeat(4,1fr);gap:1rem .05rem;padding:.85rem .05rem}.os-icon-tile{width:3.5rem;height:3.5rem;border-radius:.95rem}.os-app-label{font-size:.62rem;max-width:5rem}.os-system-widget{display:none}.os-menu-panel{top:4.15rem;left:.5rem;right:.5rem;width:auto;border-radius:.25rem}.os-window-layer{inset:3.7rem 0 0}.os-window,.os-window.maximized{left:0;top:0;translate:0 0;width:100%;height:100%;border:0;border-radius:0;background:rgba(4,23,29,.98);color:#fff;box-shadow:none}.os-window-bar{background:#071b21}.os-window-control.close:before{color:#df4d2f}.os-window-body{padding:1.25rem 1rem 6.4rem}.os-window-content h2{font-size:clamp(2.7rem,13vw,4.9rem)}.os-home-hero{padding-right:0}.os-home-hero:after{display:none}.os-metric-grid{grid-template-columns:1fr 1fr}.os-metric{min-height:6.5rem;border-bottom:1px solid #d9d9d4!important;border-right:1px solid #d9d9d4!important}.os-metric strong{font-size:2rem}.os-launchpad{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.15rem .25rem}.os-launchpad .os-icon-tile{width:3.8rem;height:3.8rem}.os-product-detail{grid-template-columns:1fr}.os-product-detail>.os-icon-tile{width:5.7rem;height:5.7rem}.os-dock{bottom:.55rem;width:calc(100% - .8rem);padding:.35rem;gap:.15rem}.os-dock-button{width:3.15rem;height:3.15rem}.os-weather-detail{grid-template-columns:1fr}.os-weather-glyph{width:5rem;height:5rem}.os-music-layout{grid-template-columns:1fr}.os-record{width:12rem}.os-spotify-embed{height:352px}}
@media(max-width:370px){.os-icon-grid{grid-template-columns:repeat(3,1fr)}.os-dock-button{width:2.75rem;height:2.75rem}.os-weather-compact{display:none}}
@media(prefers-reduced-motion:reduce){.os-record{animation:none}}
.os-music-reset{margin-top:.65rem;padding:.45rem .6rem;border:1px solid var(--os-line);border-radius:.2rem;background:transparent;color:#aabdc1;cursor:pointer}
@media(min-width:701px){.os-window-layer.has-maximized{position:fixed;inset:0;z-index:120}.tpi-os .os-window.maximized{position:absolute;inset:0;left:0;top:0;width:100vw;height:100dvh;translate:0 0;border-radius:0}}

/* TPI Company OS v4 — bright, calm and spatial */
.tpi-os{--os-ink:#102833;--os-muted:#526872;--os-blue:#2f65c8;--os-cyan:#278d96;--os-line:rgba(16,40,51,.14);--os-glass:rgba(250,253,252,.94);--os-shadow:0 36px 110px rgba(26,61,72,.22);background:#e9f3f2 url("tpi-future-city-light-v5.png") center/cover no-repeat;color:var(--os-ink)}
.tpi-os:before{background:linear-gradient(90deg,rgba(245,251,250,.18),rgba(245,251,250,.02) 54%,rgba(236,247,246,.08)),linear-gradient(180deg,rgba(255,255,255,.08),rgba(220,239,237,.06))}
.tpi-os:after{opacity:.09;background-image:linear-gradient(rgba(16,40,51,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(16,40,51,.14) 1px,transparent 1px);mask-image:linear-gradient(to bottom,black,transparent 68%)}
.os-topbar{background:rgba(255,255,255,.92);color:var(--os-ink);box-shadow:0 16px 50px rgba(26,61,72,.16)}
.os-brand-logo{display:block;flex:0 0 auto;width:3.35rem;height:2.45rem;object-fit:contain}.os-brand small,.os-status{color:#60727a}.os-status-button{color:var(--os-ink)}
.os-menu-button:hover,.os-menu-button[aria-expanded="true"],.os-status-button:hover{background:rgba(47,101,200,.09)}
.os-menu-panel{border-color:rgba(16,40,51,.14);background:rgba(252,254,253,.97);box-shadow:0 30px 90px rgba(26,61,72,.2);color:var(--os-ink)}
.os-menu-head span,.os-menu-item small{color:var(--os-muted)}.os-menu-item:hover{background:rgba(47,101,200,.08)}.os-menu-item svg{color:var(--os-blue)}
.os-app-icon{color:var(--os-ink)}.os-app-icon:hover{background:rgba(255,255,255,.58)}
.os-icon-tile{box-shadow:0 14px 34px rgba(30,64,75,.2),inset 0 1px 0 rgba(255,255,255,.42)}
.os-icon-tile.authentic{border-color:rgba(255,255,255,.8);background:#f7faf9}.os-app-label{color:#102833;text-shadow:0 1px 8px rgba(255,255,255,.96),0 0 3px rgba(255,255,255,.92)}
.os-system-widget{border-color:rgba(255,255,255,.86);border-left-color:#ef6548;background:rgba(255,255,255,.88);box-shadow:0 24px 70px rgba(26,61,72,.2);color:var(--os-ink)}
.os-system-widget .os-overline{color:#237a82}.os-system-widget em{color:#df5137}.os-system-actions button{border-color:rgba(16,40,51,.15);background:rgba(255,255,255,.72);color:var(--os-ink)}.os-system-actions button:hover{background:#2f65c8;border-color:#2f65c8;color:#fff}
.os-window-layer{inset:5.4rem 1rem 5.6rem}.os-window{width:min(86rem,calc(100vw - 5rem));height:min(52rem,calc(100dvh - 9rem));border-color:rgba(16,40,51,.16);border-radius:.8rem;background:rgba(250,253,252,.96);box-shadow:var(--os-shadow);color:var(--os-ink)}
.os-window-bar{border-color:var(--os-line);background:rgba(255,255,255,.92)}.os-window-meta{color:#71828a}.os-window-content .os-overline{color:#237a82}.os-window-content h2 span{color:#df5137}.os-window-content p{color:var(--os-muted)}
.os-window-link{background:#2f65c8}.os-window-link.secondary{background:#fff;color:var(--os-ink);border-color:var(--os-line)}
.os-home-hero:after{border-color:rgba(39,141,150,.48);box-shadow:0 0 0 1rem rgba(39,141,150,.055),0 0 0 2rem rgba(39,141,150,.025)}
.os-metric-grid{box-shadow:0 20px 55px rgba(26,61,72,.12)}.os-metric{background:#fff;color:var(--os-ink);border-color:#dce5e4}.os-metric small{background:#ffe8e2;color:#c6442d}.os-metric strong{color:var(--os-ink)}.os-metric span{color:#5d7078}
.os-info-card{background:#fff;border-color:var(--os-line)}.os-info-card small,.os-step>span,.os-product-category{color:#2f65c8}.os-info-card p,.os-step p,.os-product-points{color:var(--os-muted)}.os-partner-strip span{background:#fff;border-color:var(--os-line);color:var(--os-ink)}
.os-launchpad .os-app-label{color:var(--os-ink)}
.os-dock{border-color:rgba(255,255,255,.9);background:rgba(255,255,255,.9);box-shadow:0 20px 60px rgba(26,61,72,.2)}.os-dock-button{color:var(--os-ink)}.os-dock-button:hover{background:#2f65c8;color:#fff}.os-dock-separator{background:rgba(16,40,51,.14)}
.os-weather-glyph{background:#2f65c8;box-shadow:0 0 0 1.25rem rgba(47,101,200,.08),0 0 0 2.5rem rgba(47,101,200,.04)}.os-weather-stats span,.os-now-playing,.os-spotify-connect{background:#fff;border-color:var(--os-line)}.os-weather-stats small{color:#237a82}.os-record{box-shadow:0 24px 55px rgba(26,61,72,.2)}.os-spotify-connect small,.os-music-reset{color:var(--os-muted)}.os-toast{background:#2f65c8}

@media(max-width:1180px) and (min-width:701px){.os-window{width:min(72rem,calc(100vw - 3rem));height:min(48rem,calc(100dvh - 8rem))}}
@media(max-width:700px){.tpi-os{background-position:61% center}.tpi-os:before{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(225,241,239,.14))}.os-topbar{grid-template-columns:1fr auto 1fr;background:rgba(255,255,255,.94)}.os-brand{display:flex}.os-brand>span{display:none}.os-brand-logo{width:2.55rem;height:1.9rem}.os-status{justify-self:end}.os-menu-panel{background:rgba(252,254,253,.98)}.os-window-layer{inset:3.7rem 0 0}.os-window,.os-window.maximized{left:0;top:0;translate:0 0;width:100%;height:100%;border:0;border-radius:0;background:rgba(250,253,252,.985);color:var(--os-ink)}.os-window-bar{background:#fff}.os-window-control.close:before{color:#2f65c8}.os-window-content p,.os-info-card p,.os-step p,.os-product-points{color:var(--os-muted)}.os-info-card{background:#fff}.os-launchpad .os-app-label{color:var(--os-ink)}.os-dock{background:rgba(255,255,255,.94)}}