.landing-root{--l-high:#22d3ee;--l-mid:#f59e0b;--l-low:#f43f5e;--l-added:#4ade80;--l-added-bg:rgba(34,197,94,0.15);--l-removed:#f87171;--l-removed-bg:rgba(239,68,68,0.15);--l-violet:#a78bfa;--l-text-faint:#64748b;--l-border:rgba(59,130,246,0.18);--l-border-strong:rgba(59,130,246,0.35);position:relative;background:var(--background);color:var(--text-primary);font-family:var(--font-geist-sans),system-ui,sans-serif;line-height:1.55;overflow-x:clip}.landing-root *{box-sizing:border-box}.landing-root .ambient{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}.landing-root .ambient:before{content:"";position:absolute;inset:-20%;background:radial-gradient(ellipse 60% 40% at 15% 0,rgba(59,130,246,.18),transparent 60%),radial-gradient(ellipse 50% 35% at 90% 10%,rgba(34,211,238,.1),transparent 60%),radial-gradient(ellipse 40% 30% at 50% 110%,rgba(167,139,250,.1),transparent 60%);filter:blur(20px)}.landing-root .grid-bg{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(59,130,246,.045) 1px,transparent 0),linear-gradient(180deg,rgba(59,130,246,.045) 1px,transparent 0);background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 30%,#000 40%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 30%,#000 40%,transparent 80%)}.landing-root main{position:relative;z-index:1}.landing-root section{padding:6rem 1.5rem}.landing-root .wrap{max-width:1200px;margin:0 auto}.landing-root .wrap-sm{max-width:980px;margin:0 auto}.landing-root nav.top{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);background:rgba(11,17,32,.72);border-bottom:1px solid rgba(59,130,246,.1)}.landing-root nav.top .inner{max-width:1200px;margin:0 auto;padding:.9rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.landing-root .brand{display:inline-flex;align-items:center;flex-shrink:0}.landing-root .brand-logo{height:2rem;width:auto;display:block}@media (min-width:640px){.landing-root .brand-logo{height:2.25rem}}.landing-root .nav-links{display:flex;align-items:center;gap:1.1rem}.landing-root .nav-links .deep{display:flex;gap:1.1rem}.landing-root .nav-links .deep a{font-size:.88rem;color:var(--text-secondary);transition:color .15s}.landing-root .nav-links .deep a:hover{color:var(--text-primary)}.landing-root .nav-login{font-size:.88rem;color:var(--text-secondary);transition:color .15s}.landing-root .nav-login:hover{color:var(--text-primary)}.landing-root .btn-nav-cta{position:relative;isolation:isolate;display:inline-flex;align-items:center;padding:.45rem 1rem;border-radius:999px;background:linear-gradient(180deg,#162036,#0d1528);border:1px solid transparent;font-size:.85rem;font-weight:500;white-space:nowrap;box-shadow:0 6px 18px -10px rgba(34,211,238,.35);transition:transform .15s ease,box-shadow .15s ease}.landing-root .btn-nav-cta:before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:linear-gradient(120deg,rgba(96,165,250,.9),rgba(34,211,238,.9) 50%,rgba(167,139,250,.9));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;z-index:-1}.landing-root .btn-nav-cta:hover{transform:translateY(-1px);box-shadow:0 10px 24px -10px rgba(34,211,238,.55)}.landing-root .btn-nav-cta-label{background:linear-gradient(120deg,#ffffff,#c7dbff 70%,#a5f3fc);-webkit-background-clip:text;background-clip:text;color:transparent}.landing-root .btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.6rem 1rem;border-radius:10px;font-size:.85rem;font-weight:500;border:1px solid transparent;transition:all .18s ease;white-space:nowrap;cursor:pointer;font-family:inherit;background:transparent;color:inherit}.landing-root .btn-primary{background:var(--accent);color:#fff;box-shadow:0 0 24px rgba(59,130,246,.35),inset 0 1px 0 rgba(255,255,255,.12)}.landing-root .btn-primary:hover{background:var(--accent-hover);box-shadow:0 0 32px rgba(59,130,246,.45),inset 0 1px 0 rgba(255,255,255,.12)}.landing-root .btn-ghost{background:transparent;color:var(--text-primary);border:1px solid var(--l-border)}.landing-root .btn-ghost:hover{border-color:var(--l-border-strong);background:rgba(30,41,59,.5)}.landing-root .btn-quiet{background:transparent;color:var(--text-secondary)}.landing-root .btn-quiet:hover{color:var(--text-primary)}.landing-root .btn-lg{padding:.85rem 1.5rem;font-size:.95rem;border-radius:12px}.landing-root .btn-hero{position:relative;isolation:isolate;padding:0 1.5rem;border-radius:999px;width:17rem;height:3.5rem;flex-shrink:0;box-sizing:border-box;color:var(--text-primary);background:linear-gradient(180deg,#162036,#0d1528);border:1px solid transparent;font-weight:500;letter-spacing:-.005em;display:inline-flex;align-items:center;justify-content:center;gap:.75rem;box-shadow:0 12px 36px -14px rgba(34,211,238,.45),0 0 44px -10px rgba(59,130,246,.35);transition:transform .2s ease,box-shadow .2s ease}.landing-root .btn-hero:before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:linear-gradient(120deg,rgba(96,165,250,.9),rgba(34,211,238,.9) 50%,rgba(167,139,250,.9));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;z-index:-1}.landing-root .btn-hero:hover{transform:translateY(-1px);box-shadow:0 18px 44px -14px rgba(34,211,238,.6),0 0 60px -10px rgba(59,130,246,.55)}.landing-root .btn-hero-label{background:linear-gradient(120deg,#ffffff,#c7dbff 70%,#a5f3fc);-webkit-background-clip:text;background-clip:text;color:transparent}.landing-root .btn-hero-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:999px;background:linear-gradient(135deg,#60a5fa,#22d3ee);color:#0b1120;box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 4px 10px -2px rgba(34,211,238,.5);transition:transform .25s cubic-bezier(.22,1,.36,1)}.landing-root .btn-hero:hover .btn-hero-icon{transform:translateX(3px)}.landing-root .btn-hero.btn-hero-secondary{box-shadow:0 8px 24px -14px rgba(34,211,238,.3)}.landing-root .btn-hero.btn-hero-secondary:hover{box-shadow:0 12px 32px -14px rgba(34,211,238,.45),0 0 48px -14px rgba(59,130,246,.35)}.landing-root .hero{padding-top:2.75rem;padding-bottom:2.5rem}.landing-root .hero-inner{text-align:center;max-width:900px;margin:0 auto}.landing-root .eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-geist-mono),ui-monospace,monospace;font-size:.72rem;letter-spacing:.14em;color:var(--accent-hover);text-transform:uppercase;margin-bottom:1rem;font-weight:500;padding:.35rem .8rem;border:1px solid var(--l-border);border-radius:999px;background:rgba(30,41,59,.4)}.landing-root .eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-hover);box-shadow:0 0 8px var(--accent-hover)}.landing-root h1.hero-title{font-size:clamp(2.2rem,4.6vw,3.8rem);line-height:1.05;letter-spacing:-.035em;font-weight:600;margin:0 0 1rem;text-wrap:balance}.landing-root h1.hero-title .grad{background:linear-gradient(120deg,#fff,#93c5fd 45%,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent}.landing-root h1.hero-title .italic{font-style:italic;font-weight:400;color:var(--text-secondary)}.landing-root .hero-sub{font-size:1.02rem;color:var(--text-secondary);max-width:60ch;line-height:1.55;margin:0 auto 1.4rem}.landing-root .hero-cta{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center;justify-content:center}.landing-root .hero-meta{display:inline-flex;align-items:center;gap:1rem;margin-top:1.75rem;padding:.4rem 1.1rem;list-style:none;border:1px solid var(--l-border);border-radius:999px;background:rgba(30,41,59,.4)}.landing-root .hero-meta li{display:inline-flex;align-items:baseline;gap:.45rem}.landing-root .hero-meta .hero-meta-sep{width:1px;align-self:stretch;background:var(--l-border);margin:.2rem 0;padding:0}.landing-root .hero-meta .k{font-weight:600;font-family:var(--font-geist-mono),ui-monospace,monospace;font-size:.78rem;letter-spacing:.02em}.landing-root .hero-meta .k.cyan{color:var(--l-high)}.landing-root .hero-meta .k.blue{color:var(--accent-hover)}.landing-root .hero-meta .v{font-size:.72rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.12em}.landing-root .access-banner{max-width:560px;margin:.9rem auto 0;padding:.55rem .95rem;border-radius:10px;background:rgba(167,139,250,.08);border:1px solid rgba(167,139,250,.25);font-size:.78rem;color:#cbd5e1;display:flex;align-items:center;gap:.6rem;justify-content:center}.landing-root .access-banner:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--l-violet);box-shadow:0 0 8px var(--l-violet)}.landing-root .sec-eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-geist-mono),ui-monospace,monospace;font-size:.72rem;letter-spacing:.12em;color:var(--accent-hover);text-transform:uppercase;margin-bottom:1.25rem;font-weight:500}.landing-root .sec-eyebrow .num{color:var(--l-text-faint)}.landing-root h2.sec-title{font-size:clamp(1.9rem,3.4vw,2.9rem);line-height:1.05;letter-spacing:-.025em;font-weight:600;margin:0 0 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.label{font-size:.65rem;color:var(--l-text-faint);letter-spacing:.1em;text-transform:uppercase;font-family:var(--font-geist-mono),ui-monospace,monospace;margin-bottom:.35rem;display:block}.landing-root .essay-area{flex:1;min-height:280px;padding:.75rem .9rem;border-radius:10px;background:rgba(30,41,59,.5);border:1px solid var(--l-border);font-size:.75rem;color:var(--text-primary);line-height:1.55;white-space:pre-wrap;overflow:hidden;position:relative}.landing-root .essay-area .caret,.landing-root .improved-area .caret{display:inline-block;width:2px;height:1em;background:var(--accent-hover);margin-left:1px;vertical-align:text-bottom;animation:landingBlink 1s steps(2) infinite}.landing-root .improved-area .caret{background:var(--accent-hover)}.landing-root .improved-area{flex:1;min-height:280px;padding:.75rem .9rem;border-radius:10px;background:rgba(10,15,29,.6);border:1px solid var(--l-border);font-size:.72rem;color:var(--text-primary);line-height:1.55;white-space:pre-wrap;overflow:hidden;position:relative}@keyframes landingBlink{50%{opacity:0}}.landing-root .essay-meta{display:flex;justify-content:space-between;align-items:center;gap:1rem;font-family:var(--font-geist-mono),ui-monospace,monospace;font-size:.72rem;color:var(--text-secondary)}.landing-root .essay-meta .counts{display:flex;gap:1.25rem;flex-wrap:wrap}.landing-root .essay-meta .submit{padding:.45rem .9rem;border-radius:8px;background:rgba(59,130,246,.1);color:var(--accent-hover);border:1px solid rgba(59,130,246,.35);font-size:.72rem;font-family:var(--font-geist-mono),ui-monospace,monospace;letter-spacing:.08em;text-transform:uppercase;transition:all .2s}.landing-root .essay-meta .submit.firing{background:var(--accent);color:#fff;box-shadow:0 0 20px rgba(59,130,246,.6)}.landing-root 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.bar:before{content:"";position:absolute;top:0;left:0;bottom:0;width:var(--w,0);background:linear-gradient(90deg,var(--c,var(--accent)),var(--c2,var(--accent-hover)));border-radius:999px;box-shadow:0 0 10px var(--c,var(--accent));transition:width 1.2s cubic-bezier(.22,1,.36,1)}.landing-root .check-list{margin-top:1rem;padding-top:1rem;border-top:1px dashed rgba(59,130,246,.18);display:flex;flex-direction:column;gap:.45rem}.landing-root .check-item{display:flex;align-items:flex-start;gap:.55rem;font-size:.78rem;line-height:1.5;color:var(--text-secondary);transition:all .35s}.landing-root .check-item .i{flex-shrink:0;width:16px;height:16px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:600;margin-top:.1rem}.landing-root .check-item .i.ok{background:rgba(34,197,94,.15);color:var(--l-added);border:1px solid rgba(34,197,94,.3)}.landing-root .check-item .i.warn{background:rgba(245,158,11,.15);color:var(--l-mid);border:1px solid 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