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Sans,sans-serif;font-size:clamp(2.7rem,5.6vw,4.6rem);font-weight:750;line-height:1.02}.landing-highlight{color:var(--accent)}.landing-subtitle{color:#475569;max-width:470px;margin:22px 0 0;font-size:clamp(1.02rem,1.6vw,1.16rem);font-weight:500;line-height:1.55}.landing-board{text-align:center;justify-self:center;width:min(400px,100%);position:relative}.landing-board-title{letter-spacing:.01em;color:var(--ink);font-size:1.06rem;font-weight:750}.landing-board-triangle{width:84%;margin:24px auto 12px;display:block}.landing-board-equation{letter-spacing:.03em;color:var(--ink);margin-top:10px;font-family:Georgia,Times New Roman,serif;font-size:1.7rem;font-style:italic}.landing-board-note{letter-spacing:.02em;color:#64748b;margin-top:8px;font-family:Georgia,Times New Roman,serif;font-size:1.08rem;font-style:italic}.landing-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,4vw,44px);width:min(980px,100%);margin:0 auto;padding:clamp(22px,4vh,40px) clamp(18px,4vw,56px);display:grid}.landing-step{flex-direction:column;gap:7px;display:flex}.landing-step-dot{background:var(--accent);color:#172033;border:1px solid #ff950080;border-radius:999px;justify-content:center;align-items:center;width:27px;height:27px;margin-bottom:4px;font-size:.8rem;font-weight:800;display:inline-flex}.landing-step strong{color:var(--ink);font-size:1.04rem;font-weight:750}.landing-step span:not(.landing-step-dot){color:#64748b;font-size:.93rem;line-height:1.5}.landing-closer{text-align:center;padding:clamp(16px,3vh,28px) 24px clamp(30px,5vh,48px)}.landing-closer h2{color:var(--ink);letter-spacing:-.01em;margin:0;font-family:Bricolage Grotesque,Plus Jakarta Sans,sans-serif;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:750}@media (width<=900px){.landing-hero{text-align:center;grid-template-columns:1fr;padding-top:44px}.landing-subtitle{margin-left:auto;margin-right:auto}.landing-board{margin-top:8px}.landing-steps{text-align:center;grid-template-columns:1fr;gap:26px}.landing-step{align-items:center}}.landing-page:after{content:"";z-index:60;pointer-events:none;opacity:.022;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='180' height='180' filter='url(%23n)'/></svg>");position:fixed;inset:0}.landing-hero-copy,.landing-step{position:relative}.landing-step-dot{z-index:1;position:relative}@media (width>=901px){.landing-step:not(:last-child):before{content:"";border-top:2px dashed #ff950061;width:calc(100% - 34px + clamp(24px,4vw,44px));position:absolute;top:13px;left:44px}}@media (height<=480px){.topbar{height:44px;padding:6px 12px}.topbar-brand{font-size:1.05rem}.feedback-button span{display:none}.feedback-button{width:36px;height:30px;padding:0}.lang-trigger{height:30px;padding:0 10px;font-size:.74rem}.board-shell{border-radius:12px;inset:50px 6px 6px}.bottom-composer{width:min(560px,100vw - 20px);bottom:8px}.composer-surface{border-radius:26px;grid-template-columns:38px minmax(0,1fr) 38px;gap:6px;padding:5px}.composer-mic,.send-button{height:38px}.composer-mic{width:38px}.send-button{width:38px;min-width:38px}textarea{min-height:38px;padding:8px 4px;font-size:.88rem}.thinking-chip{padding:6px 12px;font-size:.76rem;bottom:58px}.response-panel,.checkpoint-panel,.voice-pause-panel{max-height:110px;bottom:60px}}@supports (height:100dvh){.app-shell{min-height:100dvh}.landing-page{min-height:100dvh;max-height:100dvh}}@media (orientation:landscape) and (height<=480px){.board-welcome{text-align:left;flex-direction:row;justify-content:center;align-items:center;gap:clamp(18px,4vw,44px);width:min(760px,100vw - 88px);top:50%}.board-welcome-title{flex:auto;max-width:320px;font-size:clamp(1.1rem,1rem + 1.4vw,1.5rem);line-height:1.22}.board-welcome-examples{flex-flow:column;flex:none;align-items:stretch;gap:8px}.board-welcome-chip{text-align:center;width:100%;padding:10px 20px}.bottom-composer{width:min(640px,100vw - 40px)}}