.sophon-home .signal-intro{position:fixed;inset:0;z-index:100000;display:grid;grid-template-rows:auto 1fr auto;min-height:100svh;padding:24px 32px;background:#04060d;color:#f6f4ef;overflow:auto;isolation:isolate;opacity:1;transition:opacity .4s ease}.sophon-home .signal-intro:before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 50% 40%,#273a653d,transparent 55%)}.sophon-home .intro-top{display:flex;align-items:center;justify-content:space-between;gap:20px}.sophon-home .intro-brand{font:500 16px/1.5 var(--body);letter-spacing:-.3px}.sophon-home .intro-skip{display:inline-flex;align-items:center;gap:12px;min-height:44px;padding:10px 18px;border:1px solid #8bdcf355;border-radius:32px;background:#080e1a;color:#b3c1d8;font:13px/1.5 var(--body);cursor:pointer}.sophon-home .intro-skip:hover{color:#f6f4ef;border-color:#8bdcf3}.sophon-home .intro-center{align-self:center;justify-self:center;text-align:center;padding:16px 0 32px;width:100%}.sophon-home .intro-system{position:relative;width:min(440px,55vh,76vw);aspect-ratio:1;margin:0 auto 28px}.sophon-home .intro-orbit{position:absolute;inset:12% 0;border:1px solid #8bdcf344;border-radius:50%;transform:rotate(-28deg)}.sophon-home .intro-orbit-b{inset:0 16%;border-color:#b0adf433;transform:rotate(30deg)}.sophon-home .intro-sun{position:absolute;border-radius:50%;aspect-ratio:1;animation:intro-converge 2.1s cubic-bezier(.55,.05,.25,1) both}.sophon-home .intro-sun-a{--start-x:-142%;--start-y:-90%;width:16%;left:42%;top:42%;background:radial-gradient(circle at 35% 30%,#fff3cf,#ffd292 36%,#d27742);box-shadow:0 0 26px 8px #ed985166,0 0 75px 20px #e8893220}.sophon-home .intro-sun-b{--start-x:210%;--start-y:-170%;width:10%;left:45%;top:45%;background:radial-gradient(circle at 35% 30%,#e7fdff,#8bddf2 44%,#3a91c7);box-shadow:0 0 25px 7px #64c8fc66}.sophon-home .intro-sun-c{--start-x:340%;--start-y:410%;width:6%;left:47%;top:47%;background:radial-gradient(circle at 35% 30%,#f1edff,#c0b3ff 44%,#7b69c4);box-shadow:0 0 20px 6px #aa90f666}.sophon-home .intro-count{position:absolute;inset:0;display:grid;place-items:center;font:700 clamp(64px,10vw,110px)/1 var(--wide);color:#f6f4ef;letter-spacing:0;animation:intro-count-in .35s ease-out both}.sophon-home .intro-center h2{margin:0 0 12px;font:400 clamp(24px,3vw,36px)/1.2 var(--serif);letter-spacing:0}.sophon-home .intro-center p{margin:0;color:#b3c1d8;font:12px/1.6 var(--mono)}.sophon-home .intro-bottom{display:flex;justify-content:center;gap:28px;padding:12px 0;font:11px/1.6 var(--mono);color:#b3c1d8;flex-wrap:wrap}.sophon-home .intro-bottom span:before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:#f9bb88;margin-right:8px;vertical-align:middle}.sophon-home .intro-bottom span:nth-child(2):before{background:#8bdcf3}.sophon-home .intro-bottom span:nth-child(3):before{background:#b0adf4}.sophon-home .intro-signal-point{position:absolute;inset:46%;border-radius:50%;background:#e7fdff;box-shadow:0 0 40px 15px #8bdcf366;opacity:0}.sophon-home .intro-ripple{position:absolute;inset:40%;border:1px solid #8bdcf3;border-radius:50%;opacity:0}.sophon-home .intro-exiting .intro-sun,.sophon-home .intro-transmitting .intro-sun{opacity:0;transition:opacity .25s}.sophon-home .intro-exiting .intro-signal-point,.sophon-home .intro-transmitting .intro-signal-point{opacity:1;transition:opacity .25s}.sophon-home .intro-exiting .intro-ripple,.sophon-home .intro-transmitting .intro-ripple{animation:intro-transmit .9s ease-out both}@property --intro-aperture{syntax:"<percentage>";inherits:false;initial-value:0}.sophon-home .intro-exiting{opacity:0;animation:intro-open .4s ease-out both;-webkit-mask-image:radial-gradient(circle at var(--intro-x,50%) var(--intro-y,43%),transparent var(--intro-aperture),#000 calc(var(--intro-aperture) + 5%));mask-image:radial-gradient(circle at var(--intro-x,50%) var(--intro-y,43%),transparent var(--intro-aperture),#000 calc(var(--intro-aperture) + 5%))}@keyframes intro-open{0%{--intro-aperture:0%;opacity:1}to{--intro-aperture:120%;opacity:0}}@keyframes intro-converge{0%{transform:translate(var(--start-x),var(--start-y)) scale(1)}65%{transform:translate(calc(var(--start-x)*.48),calc(var(--start-y)*.48)) scale(.7)}to{transform:translate(0) scale(.18)}}@keyframes intro-count-in{0%{opacity:.45;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes intro-transmit{0%{opacity:.55;transform:scale(.3)}to{opacity:0;transform:scale(5.4)}}@media(max-width:600px){.sophon-home .signal-intro{padding:16px 20px}.sophon-home .intro-center{padding:24px 0}.sophon-home .intro-system{margin-bottom:24px}.sophon-home .intro-bottom{gap:12px;font-size:10px}}@media(max-height:480px){.sophon-home .signal-intro{padding:12px 20px}.sophon-home .intro-center{padding:12px 0}.sophon-home .intro-system{width:min(30vh,140px);margin-bottom:12px}.sophon-home .intro-count{font-size:48px}.sophon-home .intro-center h2{font-size:22px}.sophon-home .intro-bottom{padding:6px 0}}.sophon-home .trisolaris{position:relative;padding:72px max(32px,calc((100vw - 1280px)/2)) 64px;border-top:1px solid #8bdcf322;background:radial-gradient(ellipse at 50% 60%,#1a1f3d33,transparent 65%)}.sophon-home .tri-copy{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px 60px;gap:12px 60px;align-items:end;margin-bottom:28px}.sophon-home .tri-copy .home-eyebrow{grid-column:1/-1;margin:0}.sophon-home .tri-copy h2{font:400 clamp(32px,4vw,56px)/1.1 var(--serif);margin:0}.sophon-home .tri-desc{font-size:17px;line-height:1.7;color:var(--space-dim);margin:0;max-width:520px}.sophon-home .tri-body{display:grid;grid-template-columns:minmax(0,1fr) 240px;grid-gap:28px;gap:28px;align-items:start}.sophon-home .tri-legend{grid-column:2;grid-row:1;display:flex;flex-direction:column;gap:18px;margin:0;padding:4px 0 0}.sophon-home .tri-legend div{border-left:1px solid #8bdcf333;padding-left:14px}.sophon-home .tri-legend dt{font:11px/1.4 var(--mono);letter-spacing:1.4px;text-transform:uppercase;color:var(--signal)}.sophon-home .tri-legend dd{margin:4px 0 0;font:400 15px/1.55 var(--body);color:var(--space-ink)}.sophon-home .tri-stage{grid-column:1;grid-row:1;position:relative;border:1px solid #8bdcf326;border-radius:14px;overflow:hidden;background:#04060d}.sophon-home .tri-canvas{display:block;width:100%;height:min(74vh,680px);min-height:420px;cursor:default}.sophon-home .tri-canvas.is-near-planet{cursor:pointer}.sophon-home .tri-canvas:focus-visible{outline:2px solid var(--signal);outline-offset:-2px}.sophon-home .tri-sr{position:absolute;width:1px;height:1px;overflow:hidden;-webkit-clip-path:inset(50%);clip-path:inset(50%);white-space:nowrap}.sophon-home .tri-hud{position:absolute;top:16px;left:16px;display:flex;flex-direction:column;gap:10px;margin:0;padding:14px 16px;border:1px solid #8bdcf322;border-radius:10px;background:#04060dcc;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);pointer-events:none;font:12px/1.4 var(--mono);min-width:200px}.sophon-home .tri-hud dt{color:var(--space-dim);text-transform:uppercase;letter-spacing:1.2px;font-size:11px}.sophon-home .tri-hud dd{margin:2px 0 0;color:var(--space-ink);font-size:13px;display:flex;align-items:center;gap:10px}.sophon-home .tri-bar{position:relative;flex:0 0 84px;height:4px;border-radius:2px;background:#ffffff1a}.sophon-home .tri-progress>span{position:absolute;inset:0 auto 0 0;border-radius:2px;background:linear-gradient(90deg,var(--signal),var(--dimension));box-shadow:0 0 8px #8bdcf388;transition:width .25s linear}.sophon-home .tri-temp-bar{background:linear-gradient(90deg,#78c4f6,#f6f4ef 40%,#f6f4ef 55%,#cd482a)}.sophon-home .tri-temp-bar:before{content:"";position:absolute;top:-3px;bottom:-3px;left:var(--band-lo);right:var(--band-hi);border:1px solid #f6f4ef66;border-radius:3px}.sophon-home .tri-trend{width:1em;text-align:center;color:var(--space-dim)}.sophon-home .tri-trend.trend-up{color:#f0a27e}.sophon-home .tri-trend.trend-down{color:#8fcdf6}.sophon-home .tri-hud .is-dry{color:var(--signal)}.sophon-home .tri-tap-hint{position:absolute;top:0;left:0;margin:0;font:11px/1.4 var(--mono);letter-spacing:1px;text-transform:uppercase;color:var(--space-ink);pointer-events:none;white-space:nowrap;animation:tri-hint-pulse 1.6s ease-in-out infinite}.sophon-home .tri-tap-hint:before{content:"← ";color:var(--signal)}@keyframes tri-hint-pulse{0%,to{opacity:.45}50%{opacity:1}}.sophon-home .tri-era{position:absolute;left:50%;top:50%;translate:-50% -50%;margin:0;font:13px/1.4 var(--mono);letter-spacing:2px;text-transform:uppercase;color:var(--space-ink);text-shadow:0 0 12px #8bdcf388;pointer-events:none;white-space:nowrap}.sophon-home .tri-temp-bar>span{position:absolute;top:50%;width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;background:var(--space-ink);box-shadow:0 0 8px #fff;transition:left .25s linear}.sophon-home .tri-controls{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.sophon-home .tri-btn{min-height:44px;padding:10px 18px;border-radius:32px;border:1px solid #8bdcf355;background:transparent;color:var(--space-ink);font:500 14px/1.2 var(--body);cursor:pointer;transition:background .2s,border-color .2s,opacity .2s}.sophon-home .tri-btn[aria-pressed=true]{background:#8bdcf31f;border-color:var(--signal)}.sophon-home .tri-btn:disabled{opacity:.4;cursor:not-allowed}.sophon-home .tri-play{margin-left:auto}.sophon-home .tri-log{min-height:1.6em;margin:14px 0 0;font:13px/1.6 var(--mono);color:var(--space-dim)}@media(hover:hover) and (pointer:fine){.sophon-home .tri-btn:not(:disabled):hover{background:#8bdcf314;border-color:var(--signal)}}@media(max-width:768px){.sophon-home .trisolaris{padding:48px 24px}.sophon-home .tri-copy{grid-template-columns:1fr;gap:14px}.sophon-home .tri-copy h2{font-size:clamp(30px,7vw,44px)}.sophon-home .tri-desc{font-size:16px}.sophon-home .tri-body{grid-template-columns:1fr;gap:18px}.sophon-home .tri-legend{grid-column:1;gap:10px;padding:0}.sophon-home .tri-legend dd{font-size:14px}.sophon-home .tri-stage{grid-row:2}.sophon-home .tri-canvas{height:500px;min-height:0}.sophon-home .tri-hud{top:10px;left:10px;right:10px;min-width:0;flex-direction:row;flex-wrap:wrap;gap:6px 16px;padding:10px 12px}.sophon-home .tri-hud dd{font-size:12px}.sophon-home .tri-bar{flex-basis:56px}.sophon-home .tri-controls{gap:8px}.sophon-home .tri-btn{padding:10px 14px;font-size:13px}.sophon-home .tri-play{margin-left:0}}.tri-countdown{position:fixed;inset:0;z-index:9000;display:flex;align-items:center;justify-content:center;pointer-events:none;font:300 clamp(48px,11vw,160px)/1 var(--mono);letter-spacing:.04em;color:#f6f4efd9;text-shadow:0 0 24px #8bdcf388;mix-blend-mode:screen;animation:tri-countdown-fade 3s ease-out both,tri-countdown-flicker .18s steps(2) infinite}.tri-countdown.is-steady{animation:tri-countdown-fade 3s ease-out both}@keyframes tri-countdown-fade{0%{opacity:0}8%{opacity:1}70%{opacity:.9}to{opacity:0}}@keyframes tri-countdown-flicker{0%{filter:brightness(1)}50%{filter:brightness(.55)}}@media(prefers-reduced-motion:reduce){.tri-countdown{animation:tri-countdown-fade 3s ease-out both}.sophon-home .tri-tap-hint{animation:none;opacity:1}}.sophon-home[data-motion=off] .tri-tap-hint{animation:none;opacity:1}