.ev-surface .demo-samples .h2{max-width:40ch}.ev-surface .demo-samples .lead{margin-top:1.2rem;max-width:45ch}.ev-surface .demo-samples .src{margin-top:clamp(32px,4vw,48px)}.ev-surface .demo-samples-more{margin-top:1.4rem;color:var(--ink-2);font-size:var(--text-small);line-height:var(--lh-small);max-width:60ch}.ev-surface .demo-samples .fig,.ev-surface section[aria-labelledby=demo-faq-title] .fig{margin-bottom:24px}.ev-surface .demo-phone .h2{margin-top:24px;max-width:40ch}.ev-surface .demo-phone .lead{margin-top:24px;max-width:45ch}.ev-surface .da-wrap{max-width:var(--maxw);margin:0 auto;padding:clamp(48px,7vw,88px) 40px}.ev-surface .da-wrap>section{max-width:880px}.ev-surface .da-wrap section{padding:0}.ev-surface .da-scene{text-align:left}.ev-surface .da-scene-caption{font-family:var(--mono);font-size:.8125rem;letter-spacing:.04em;color:var(--ink-3);margin:0 0 24px}.ev-surface .da-scene-title{font-family:var(--serif);font-size:clamp(2rem,3.7vw,3.05rem);font-weight:500;line-height:1.07;letter-spacing:-.02em;margin:0 0 24px}.ev-surface .da-scene-display{font-size:clamp(2.3rem,5vw,3.5rem);line-height:1.04}.ev-surface .da-scene-lead{font-size:clamp(1.08rem,1.45vw,1.28rem);line-height:1.55;color:var(--ink-2);max-width:52ch;margin:0 0 32px}.ev-surface .da-scene-aux{font-size:var(--text-small);line-height:var(--lh-small);color:var(--ink-2);margin:20px 0 0}.ev-surface .da-observation{max-width:800px}.ev-surface .da-examples{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0 0 24px}.ev-surface .da-examples button{min-height:44px;padding:10px 12px;border:1px solid var(--ink-3);border-radius:8px;background:var(--card);color:var(--ink);font:inherit;font-size:.875rem;text-align:left;cursor:pointer}.ev-surface .da-examples button[aria-pressed=true]{border-color:var(--green);box-shadow:inset 3px 0 0 var(--green);background:var(--green-tint)}.ev-surface .da-examples button:focus-visible{outline:2px solid var(--green);outline-offset:2px}.ev-surface .da-example-note{max-width:56ch;font-family:var(--serif);font-size:clamp(1.25rem,2vw,1.6rem);line-height:1.5;padding:0 0 24px;margin:0 0 24px;border-bottom:1px solid var(--line);min-height:5.5em}.ev-surface .da-observation .record-foot{margin-top:24px}.ev-surface .da-opening{margin-top:16px;color:var(--ink-2);font-size:.875rem}.ev-surface .da-outputs{display:grid}.ev-surface .da-outputs-kicker{font-family:var(--serif);font-size:clamp(1.7rem,3vw,2.3rem);line-height:1.15;color:var(--ink);margin:0 0 16px}.ev-surface .da-outputs-context{color:var(--ink-2);max-width:56ch;margin:0 0 32px}.ev-surface .da-card{border-top:1px solid var(--line);padding:28px 0}.ev-surface .da-card:first-of-type{border-top:2px solid var(--ink)}.ev-surface .da-card:last-child{border-bottom:1px solid var(--line)}.ev-surface .da-card-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:16px}.ev-surface .da-card-tag{font-weight:600}.ev-surface .da-card-sub{font-family:var(--mono);font-size:.75rem;letter-spacing:.06em;color:var(--ink-3)}.ev-surface .da-card-title{font-weight:600;margin:0 0 8px}.ev-surface .da-card-body,.ev-surface .da-packet-line{color:var(--ink);font-family:var(--serif);font-size:1.2rem;line-height:1.5;margin:0 0 16px}.ev-surface .da-packet-meta{display:block;font-family:var(--sans);font-size:.875rem;color:var(--ink-2);margin-bottom:8px}.ev-surface .da-lang-row{display:flex;flex-wrap:wrap;gap:8px 16px;margin-bottom:16px}.ev-surface .da-lang-chip{font-size:.875rem;color:var(--ink-2)}.ev-surface .da-goal-list{list-style:none;padding:0;margin:0 0 16px;display:grid;gap:8px}.ev-surface .da-goal-row{padding-left:12px;border-left:2px solid var(--line-2)}.ev-surface .da-card-note{font-size:.875rem;color:var(--ink-2);margin:0 0 8px}.ev-surface .da-card-link{display:inline-flex;align-items:center;min-height:44px;font-size:.9375rem;font-weight:600;color:var(--green-deep);text-decoration:underline;text-underline-offset:4px}.ev-surface .da-restart{margin-top:24px}.ev-surface .da-next{margin-top:48px}@media (max-width:600px){.ev-surface .da-wrap{padding-inline:22px}.ev-surface .da-example-note{min-height:0}}@media (max-width:420px){.ev-surface .da-examples{grid-template-columns:1fr}}.ev .mobile-beta{border-top:1px solid var(--line)}.ev .mobile-beta-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:start}.ev .mobile-beta .h2{margin-top:24px;max-width:18ch}.ev .mobile-beta .lead{margin:24px 0}.ev .mobile-beta-form-body{padding:24px 0}.ev .mobile-beta-form-body h3{margin:0 0 12px;font-family:var(--sans);font-size:1.2rem;font-weight:600}.ev .mobile-beta-form-body>p{color:var(--ink-2)}.ev .mobile-beta-form{display:grid;gap:16px;margin-top:24px}.ev .mobile-beta-form .field{display:grid;gap:8px}.ev .mobile-beta-form label{font-size:.875rem;font-weight:600}.ev .mobile-beta-form input{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--ink-3);border-radius:8px;background:var(--card);color:var(--ink);font:inherit;font-size:1rem}.ev .mobile-beta-form input::placeholder{color:var(--ink-3)}.ev .mobile-beta-form input[aria-invalid=true]{border-color:var(--clay)}.ev .mobile-beta-form input:focus-visible{outline:2px solid var(--green);outline-offset:2px}.ev .mobile-beta-form .btn{justify-self:start}.ev .mobile-beta-hint{font-size:var(--text-small);line-height:1.5;color:var(--ink-2)}.ev .mobile-beta-error{font-size:.875rem;color:var(--ink);border-left:2px solid var(--clay);padding-left:12px}.ev .mobile-beta-success{display:grid;justify-items:start;gap:24px;margin-top:32px}@media (max-width:800px){.ev .mobile-beta-layout{grid-template-columns:1fr;gap:40px}.ev .mobile-beta .h2{max-width:22ch}}