*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body,h1,h2,h3,h4,p,ul,ol{margin:0}ul,ol{padding:0;list-style:none}img,svg{display:block;max-width:100%}button,a{font:inherit}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}:root{color-scheme:dark;--color-ink: #050a13;--color-ink-raised: #08111f;--color-surface: #0b1728;--color-surface-soft: #0f1d30;--color-text: #f3f7fb;--color-text-muted: #9eacbd;--color-line: rgb(157 180 204 / 18%);--color-line-strong: rgb(157 180 204 / 27%);--color-cyan: #4ee7ee;--color-purple: #9b83ff;--color-orange: #ffad66;--shadow-cyan: 0 0 36px rgb(78 231 238 / 12%);--font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;--container: 76rem;--gutter: clamp(1.25rem, 4vw, 3rem);--section-space: clamp(4rem, 7vw, 6.25rem);--radius-small: .5rem;--radius-large: 1rem}body{min-width:320px;background:var(--color-ink);color:var(--color-text);font-family:var(--font-sans)}.entrance-shell{min-height:100svh;display:flex;flex-direction:column;align-items:center;padding:clamp(1.25rem,5vw,3rem);background:radial-gradient(ellipse at 20% 0,rgb(78 231 238 / 8%),transparent 55%)}.entrance-brand{display:flex;align-items:center;gap:.85rem;align-self:flex-start;color:inherit;text-decoration:none;letter-spacing:.22em;font-weight:650}.entrance-card{width:100%;max-width:34rem;margin:auto;padding:clamp(1.4rem,5vw,3rem) 0}.entrance-eyebrow{font-size:.7rem;letter-spacing:.2em;color:var(--color-cyan);margin-bottom:1.2rem}h1{font-size:clamp(2rem,5vw,2.8rem);line-height:1.12;font-weight:550;letter-spacing:-.045em}.entrance-intro{margin:1.2rem 0 2rem;color:var(--color-text-muted);line-height:1.7}.entrance-tabs{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1.8rem}.entrance-tabs button{border:1px solid var(--color-line);border-radius:.5rem;padding:.7rem .8rem;background:var(--color-ink-raised);color:var(--color-text-muted);font-size:.82rem;cursor:pointer}.entrance-tabs button[aria-pressed=true]{color:var(--color-cyan);border-color:var(--color-cyan)}label{display:flex;flex-direction:column;gap:.65rem;margin-bottom:1.3rem;font-size:.85rem}input{width:100%;min-height:3rem;padding:.8rem 1rem;border:1px solid var(--color-line-strong);border-radius:.5rem;background:var(--color-surface);color:var(--color-text);font:inherit}input:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--color-cyan);outline-offset:4px}.entrance-submit{width:100%;border:0;border-radius:.5rem;padding:1rem;background:var(--color-cyan);color:var(--color-ink);font-weight:650;cursor:pointer}button:disabled{opacity:.6;cursor:wait}.entrance-message{min-height:2rem;margin-top:1rem;font-size:.85rem;line-height:1.6}.entrance-note,.entrance-footer{color:var(--color-text-muted);font-size:.75rem;line-height:1.6}.entrance-note{border-top:1px solid var(--color-line);padding-top:1.3rem}.entrance-footer{margin-top:2rem}.welcome-stage{position:relative;justify-content:center}.welcome-identity{display:flex;flex-direction:column;align-items:center;gap:1.8rem;width:100%;text-align:center;animation:welcome-identity 2.6s ease both}.welcome-mark{flex:none}.welcome-title{line-height:1.2}.welcome-title span{display:block;font-size:clamp(.8rem,2vw,1.05rem);font-weight:500;letter-spacing:.26em;text-transform:uppercase;color:var(--color-text-muted)}.welcome-title strong{display:block;margin-top:.65rem;padding-left:.12em;font-size:clamp(2.8rem,8vw,5rem);font-weight:550;letter-spacing:.12em}.welcome-rule{width:3rem;height:1px;background:var(--color-cyan);opacity:.5}.welcome-skip{position:absolute;bottom:2rem;border:0;background:transparent;padding:.75rem;color:var(--color-text-muted);font-size:.75rem;cursor:pointer}.entrance-shell:not(.welcome-stage){animation:welcome-entrance-reveal .26s ease-out both}@keyframes welcome-identity{0%{opacity:0;transform:translateY(8px)}12%,86%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-4px)}}@keyframes welcome-entrance-reveal{0%{opacity:0}to{opacity:1}}@media(prefers-reduced-motion:reduce){.welcome-identity,.entrance-shell:not(.welcome-stage){animation:none}}