:root{--paper: #FAFAF7;--paper-2: #F4F2EC;--ink: #1A1A1A;--ink-mute: #5A5A57;--ink-faint: #8A8884;--line: #E8E6DF;--skills-accent: #B8552E;--agents-accent: #2D5F5A;--fs-xs: 14px;--fs-sm: 16px;--fs-md: 20px;--fs-lg: 32px;--fs-xl: 56px;--tile-pad: 24px;--tile-radius: 4px;--maxw: 1200px;--gutter: 48px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--ink);background:var(--paper);font-size:var(--fs-sm);line-height:1.5}a{color:inherit;text-decoration:none}.nav{display:flex;align-items:center;justify-content:space-between;padding:20px var(--gutter);border-bottom:1px solid 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24px;font-family:inherit;font-size:var(--fs-sm);font-weight:600;border-radius:4px;border:1px solid transparent;cursor:pointer;transition:background .12s ease,color .12s ease,border-color .12s ease;letter-spacing:-.005em}.btn--primary{background:var(--ink);color:var(--paper)}.btn--primary:hover{background:#000}.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}.btn--ghost:hover{background:var(--ink);color:var(--paper)}.band{padding:96px var(--gutter);border-top:1px solid var(--line)}.band__head{max-width:var(--maxw);margin:0 auto 48px}.band__label{font-size:var(--fs-xs);font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin-bottom:16px}.band__label--skills{color:var(--skills-accent)}.band__label--agents{color:var(--agents-accent)}.band__title{font-size:var(--fs-lg);font-weight:600;line-height:1.15;letter-spacing:-.015em;margin:0 0 12px;max-width:50%}.band__sub{font-size:var(--fs-md);font-weight:400;line-height:1.5;color:var(--ink-mute);margin:0;max-width:56ch}.skills-search{max-width:var(--maxw);margin:0 auto 24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.skills-search__field{position:relative;flex:1 1 320px;min-width:0;display:flex;align-items:center}.skills-search__icon{position:absolute;left:14px;color:var(--ink-faint);pointer-events:none}.skills-search__input{width:100%;padding:12px 40px;font-family:inherit;font-size:var(--fs-sm);color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:4px;outline:none;transition:border-color .12s ease;-webkit-appearance:none;appearance:none}.skills-search__input::-webkit-search-decoration,.skills-search__input::-webkit-search-cancel-button,.skills-search__input::-webkit-search-results-button,.skills-search__input::-webkit-search-results-decoration{display:none}.skills-search__input::placeholder{color:var(--ink-faint)}.skills-search__input:focus{border-color:var(--ink)}.skills-search__clear{position:absolute;right:8px;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--ink-faint);font-size:22px;line-height:1;cursor:pointer;padding:0;border-radius:4px;transition:color .12s ease,background .12s ease}.skills-search__clear:hover{color:var(--ink);background:var(--paper-2)}.skills-search__hint{font-size:var(--fs-xs);color:var(--ink-faint)}.skills-search__hint kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;padding:2px 6px;border:1px solid var(--line);border-radius:3px;background:var(--paper-2);color:var(--ink-mute)}.skills-search__empty{max-width:var(--maxw);margin:24px auto 0;font-size:var(--fs-sm);color:var(--ink-mute)}.grid{display:grid;gap:16px;max-width:var(--maxw);margin:0 auto;grid-template-columns:repeat(3,1fr)}.tile{display:flex;flex-direction:column;padding:var(--tile-pad);background:var(--paper);border:1px solid var(--line);border-radius:var(--tile-radius);min-height:200px;transition:transform .16s ease,border-color .16s 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22px;font-size:var(--fs-xs);color:var(--ink-mute);line-height:1.7;max-width:70ch}@media(max-width:960px){.grid{grid-template-columns:repeat(2,1fr)}.band__title{max-width:none}.how{grid-template-columns:1fr;gap:18px}}@media(max-width:640px){:root{--gutter: 20px}.skills-search{gap:8px}.skills-search__field{flex:1 1 100%}.skills-search__hint{display:none}.nav{padding:16px 20px}.nav__links{gap:18px}.nav__link{font-size:14px}.hero{padding:56px 20px 48px}.hero__title{font-size:36px;margin-bottom:24px;letter-spacing:-.02em}.band{padding:64px 20px}.band__head{margin-bottom:32px}.band__title{font-size:26px}.band__sub{font-size:16px}.grid{grid-template-columns:1fr;gap:12px}.agent-mode{padding:56px 20px}.agent-mode__title{font-size:36px}.agent-mode__body{font-size:16px}.btn{padding:12px 20px;font-size:15px}.foot{padding:24px 20px;flex-direction:column;gap:8px;align-items:flex-start}}