:root{--bg: #efede6;--surface: #f8f7f2;--ink: #121212;--muted: #6b6a64;--line: #d9d6cc;--accent: #2f45ff;--accent-ink: #ffffff;--hot: #d7ff3a;--danger: #c8341f;--warn-bg: #fff3c9;--radius: 18px;--display: -apple-system, BlinkMacSystemFont, "SF Pro Display", system-ui, sans-serif;--mono: ui-monospace, "SF Mono", Menlo, monospace;color-scheme:light}@media (prefers-color-scheme: dark){:root{--bg: #0f1012;--surface: #18191c;--ink: #eeece5;--muted: #9a988f;--line: #2c2d31;--accent: #6f7fff;--warn-bg: #3a3315;color-scheme:dark}}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--ink);font-family:var(--display);font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%;overscroll-behavior-y:none}button,a,input,textarea{touch-action:manipulation}a{color:inherit}h1,h2,h3{line-height:1.1;margin:0;letter-spacing:-.02em}h3{font-size:1.1rem;font-weight:600}p{margin:0}.mono{font-family:var(--mono)}.muted{color:var(--muted)}.small{font-size:.85rem}.eyebrow{font-family:var(--mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.lead{color:var(--muted);font-size:1.05rem}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.stack{display:grid;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:999px;background:var(--ink);color:var(--bg);border:1.5px solid var(--ink);font:600 1rem var(--display);text-decoration:none;cursor:pointer;transition:transform .12s ease,opacity .12s ease}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.35;cursor:not-allowed;transform:none}.btn.ghost{background:transparent;color:var(--ink)}.btn.small{padding:8px 14px;font-size:.9rem}.btn.wide{width:100%}.btn.invert{background:var(--hot);color:#111;border-color:var(--hot)}.btn.danger{background:transparent;color:var(--danger);border-color:var(--danger)}.link{background:none;border:0;padding:0;font:inherit;font-weight:600;color:var(--accent);cursor:pointer;text-decoration:none}.icon-btn{background:none;border:0;font-size:1.1rem;color:var(--muted);cursor:pointer;padding:6px}.logo{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:1.2rem;text-decoration:none;letter-spacing:-.03em}.landing{max-width:1120px;margin:0 auto;padding:0 16px}.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0}.hero{display:grid;gap:40px;padding:40px 0 72px;align-items:center}@media (min-width: 860px){.hero{grid-template-columns:1.15fr 1fr;padding-top:72px}}.hero-copy{display:grid;gap:22px}.display{font-size:clamp(2.6rem,7vw,4.6rem);font-weight:800;letter-spacing:-.045em;line-height:.98}.display em{font-style:normal;background:var(--hot);color:#111;padding:0 .12em;box-decoration-break:clone;-webkit-box-decoration-break:clone}.display.small{font-size:clamp(2rem,5vw,3.2rem)}.h2{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;letter-spacing:-.04em;margin-bottom:28px}.hero-visual{position:relative;display:grid;place-items:center;min-height:420px}.phone{width:250px;padding:34px 22px 26px;border-radius:40px;background:#111;color:#f2f2f2;box-shadow:0 30px 60px -25px #00000080;display:grid;gap:22px;justify-items:center;transform:rotate(-3deg)}.phone-title{font-size:.95rem}.phone .dot{border-color:#f2f2f2}.phone .dot.on{background:#f2f2f2}.keypad{display:grid;grid-template-columns:repeat(3,56px);gap:12px}.key{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#2a2a2d;font-size:1.4rem}.key.blank{background:none}.key.hot{background:var(--hot);color:#111}.sticker{position:absolute;padding:10px 16px;border-radius:12px;font-weight:700;background:var(--surface);border:1.5px solid var(--ink);box-shadow:4px 4px 0 var(--ink)}.s1{top:8%;left:2%;transform:rotate(-6deg);font-size:1.3rem}.s2{bottom:14%;right:0;transform:rotate(5deg);background:var(--accent);color:var(--accent-ink)}.s3{top:40%;right:4%;transform:rotate(8deg)}@media (max-width: 480px){.s1{left:0}.s3{right:0}}.section{padding:56px 0;border-top:1.5px solid var(--line)}.how{display:grid;gap:16px}@media (min-width: 860px){.how{grid-template-columns:repeat(3,1fr)}}.how-card{background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);padding:24px;display:grid;gap:12px;align-content:start}.how-card p{color:var(--muted)}.how-n{font-size:.85rem;color:var(--accent);font-weight:700}.how-card .link{justify-self:start}.compare{display:grid;gap:14px}@media (min-width: 860px){.compare{grid-template-columns:repeat(3,1fr)}}.col{border:1.5px solid var(--line);border-radius:var(--radius);padding:22px}.col.best{border-color:var(--ink);background:var(--ink);color:var(--bg)}.col ul{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:10px}.col li:before{display:inline-block;width:1.4em;font-family:var(--mono);font-weight:700}.col li.yes:before{content:"✓";color:#2fa95a}.col li.no:before{content:"✗";color:var(--danger)}.col.best li.yes:before{color:var(--hot)}.faq{display:grid;gap:0}.faq details{border-bottom:1.5px solid var(--line);padding:18px 0}.faq summary{cursor:pointer;font-weight:600;font-size:1.1rem;list-style:none;display:flex;justify-content:space-between;gap:16px}.faq summary:after{content:"+";font-family:var(--mono)}.faq details[open] summary:after{content:"−"}.faq details p{color:var(--muted);margin-top:10px;max-width:70ch}.cta{margin:40px 0;padding:48px 28px;border-radius:28px;background:var(--accent);color:var(--accent-ink);display:grid;gap:24px;justify-items:start}.footer{padding:24px 0 40px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0a0c8c;display:grid;place-items:center;padding:16px;z-index:10;animation:fade .15s ease}.modal{width:100%;max-width:520px;max-height:92vh;overflow:auto;background:var(--bg);border-radius:24px;padding:22px;display:grid;gap:16px}.modal-head{display:flex;justify-content:space-between;align-items:center}@keyframes fade{0%{opacity:0}}.app-shell{max-width:560px;margin:0 auto;padding:env(safe-area-inset-top) max(16px,env(safe-area-inset-right)) calc(32px + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}.app-bar{display:flex;align-items:center;padding:14px 0;min-height:60px}.share-icon{display:inline-block;font-size:.9em}.app-main{display:grid;gap:20px}.page-title{font-size:clamp(1.9rem,6vw,2.5rem);font-weight:800;letter-spacing:-.04em}.hero-card{background:var(--surface);border:1.5px solid var(--line);border-radius:24px;padding:28px 22px;display:grid;gap:16px}.hero-card.locked{background:var(--ink);color:var(--bg);border-color:var(--ink)}.hero-card.locked .lead{color:inherit;opacity:.75}.hero-card.locked .btn.ghost{color:var(--bg);border-color:var(--bg)}.hero-card.locked .dot{border-color:var(--hot)}.hero-card.locked .dot.on{background:var(--hot)}.card{background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);padding:20px;display:grid;gap:12px}.card.danger h3{color:var(--danger)}.big-num{font-size:1.8rem;font-weight:700;margin-right:8px}.callout{background:var(--surface);border-left:4px solid var(--accent);padding:14px 16px;border-radius:10px;font-size:.95rem;display:grid;gap:10px}.callout.warn{background:var(--warn-bg);border-left-color:#e0a100}.steps-list{margin:0;padding-left:1.4em;display:grid;gap:16px}.steps-list li{padding-left:4px}.steps-list li>*{margin-top:10px}.field{display:grid;gap:6px}.field input,.guess{font:inherit;padding:12px 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink);width:100%}.field input:focus,.guess:focus,.type-box:focus{outline:2px solid var(--accent);outline-offset:1px}.copy-field{display:grid;gap:4px}.copy-row{display:flex;gap:8px;align-items:center;justify-content:space-between;background:var(--bg);border:1.5px dashed var(--line);border-radius:12px;padding:8px 8px 8px 12px}.copy-row code{word-break:break-all;font-size:.95rem}.code-reveal{font-size:clamp(3rem,16vw,5rem);font-weight:700;letter-spacing:.25em;text-align:center;padding:20px 0;background:var(--hot);color:#111;border-radius:20px}.range-row{display:flex;gap:12px;align-items:center}.range-row input{flex:1;accent-color:var(--accent)}.dots{display:inline-flex;gap:12px}.dot{width:14px;height:14px;border-radius:50%;border:1.8px solid var(--ink);transition:background .2s}.dot.on{background:var(--ink)}.player{display:grid;gap:18px}.player-head{display:flex;justify-content:space-between;align-items:center}.progress{height:6px;border-radius:99px;background:var(--line);overflow:hidden}.progress span{display:block;height:100%;background:var(--accent);transition:width .25s ease}.player-card{background:var(--surface);border:1.5px solid var(--ink);border-radius:22px;box-shadow:5px 5px 0 var(--ink);padding:32px 20px;text-align:center;display:grid;gap:8px;animation:pop .22s ease}@keyframes pop{0%{transform:scale(.97);opacity:.4}}.player-instr{color:var(--muted)}.player-big{font-size:clamp(2.4rem,11vw,3.4rem);font-weight:800;letter-spacing:-.02em}.player-dots{display:flex;justify-content:center;align-items:center;gap:12px}.player-dots .arrow{color:var(--muted)}.player-nav{display:grid;grid-template-columns:1fr 2fr;gap:10px;position:sticky;bottom:0;padding:12px 0 calc(12px + env(safe-area-inset-bottom));background:linear-gradient(transparent,var(--bg) 30%)}.player-nav .btn{padding:18px 22px;font-size:1.1rem}.challenge{display:grid;gap:14px}.challenge-head{display:flex;gap:8px;align-items:baseline}.challenge-head .mono{font-size:1.5rem;font-weight:700}.words{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;background:var(--surface);border:1.5px solid var(--line);border-radius:16px;padding:16px;max-height:220px;overflow:auto;font-size:1.05rem;line-height:1.8}.w.done{color:var(--muted);text-decoration:line-through;opacity:.6}.w.now{background:var(--hot);color:#111;border-radius:4px;padding:0 3px}.type-box{font:1rem var(--mono);padding:14px;border-radius:14px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink);resize:vertical;width:100%}.type-box.error{border-color:var(--danger)}.error-text{color:var(--danger)}.demo-end{display:grid;gap:16px;text-align:center}.guess{font-size:2rem;text-align:center;letter-spacing:.4em}