.kr{--indigo:#6155f5;--indigo-600:#4f43e2;--indigo-700:#4034c0;--indigo-800:#342b99;--indigo-900:#2b2578;--indigo-300:#a9a1f9;--indigo-200:#c8c2fb;--indigo-100:#e0ddfd;--lav-50:#f3f1fe;--lav-100:#e9e6fd;--lav-200:#d9d3fb;--ink:#15171f;--ink-2:#272b38;--grey-700:#3d4254;--grey-600:#565d70;--grey-500:#777e92;--grey-400:#a8adbd;--grey-300:#d4d7e0;--grey-200:#e6e8ee;--grey-100:#f1f2f6;--cloud:#f7f8fa;--flame-1:#ffb25a;--flame-2:#f97316;--green:#1fa971;--amber:#e8a23d;--display:"Archivo Expanded", "Plus Jakarta Sans", system-ui, sans-serif;--body:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;--mono:"JetBrains Mono", ui-monospace, "SF Mono", monospace;font-family:var(--body);color:var(--ink);background:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility}.kr *{box-sizing:border-box}.kr-display{font-family:var(--display);letter-spacing:-.015em;font-weight:800;line-height:.94}.kr-mono{font-family:var(--mono);letter-spacing:.08em;font-variant-numeric:tabular-nums}.kr-wrap{width:min(1200px,100%);margin-inline:auto;padding-inline:clamp(1.25rem,5vw,4rem)}.kr-eyebrow{font-family:var(--mono);letter-spacing:.06em;color:var(--indigo-600);align-items:center;gap:.55rem;margin:0 0 1.1rem;font-size:.8rem;font-weight:500;display:inline-flex}.kr-eyebrow--light{color:var(--indigo-200)}.kr-eyebrow__mark{background:var(--flame-2);width:.65rem;height:.65rem;box-shadow:0 0 0 3px color-mix(in srgb, var(--flame-2) 22%, transparent);border-radius:2px;transform:rotate(45deg)}.kr-h2{max-width:18ch;margin:0 0 1.4rem;font-size:clamp(2.1rem,5.6vw,4.1rem)}.kr-lede{color:var(--grey-600);max-width:56ch;font-size:clamp(1.05rem,1.8vw,1.3rem);line-height:1.6}.kr-lede-light{color:var(--indigo-100);max-width:52ch;font-size:clamp(1.05rem,1.8vw,1.3rem);line-height:1.6}.kr-btn{font-family:var(--body);will-change:transform;border-radius:999px;justify-content:center;align-items:center;padding:1rem 1.6rem;font-size:1rem;font-weight:700;line-height:1;text-decoration:none;transition:transform .16s,box-shadow .16s,background .16s;display:inline-flex}.kr-btn--flame{color:#2a1402;background:linear-gradient(135deg, var(--flame-1), var(--flame-2));box-shadow:0 12px 30px -10px color-mix(in srgb, var(--flame-2) 70%, transparent)}.kr-btn--flame:hover{box-shadow:0 18px 38px -10px color-mix(in srgb, var(--flame-2) 75%, transparent);transform:translateY(-2px)}.kr-btn--ghost{color:#fff;background:0 0;border:1.5px solid #ffffff52}.kr-btn--ghost:hover{background:#ffffff1f;transform:translateY(-2px)}.kr-btn--light{color:var(--indigo-900);background:#fff;box-shadow:0 12px 30px -12px #00000080}.kr-btn--light:hover{transform:translateY(-2px)}.kr-btn--lg{padding:1.2rem 2.2rem;font-size:1.15rem}.kr-cta-row{flex-wrap:wrap;gap:.85rem;margin-top:2rem;display:flex}.kr-hero{color:#fff;background:radial-gradient(120% 80% at 85% -10%, var(--indigo) 0%, transparent 55%), radial-gradient(120% 90% at 0% 110%, var(--indigo-700) 0%, transparent 60%), linear-gradient(165deg, var(--indigo-600) 0%, var(--indigo-800) 55%, var(--indigo-900) 100%);position:relative;overflow:hidden}.kr-nav{justify-content:space-between;align-items:center;width:min(1200px,100%);margin-inline:auto;padding:1.5rem clamp(1.25rem,5vw,4rem);display:flex}.kr-brand{color:#fff;align-items:center;gap:.6rem;text-decoration:none;display:inline-flex}.kr-brand__icon{border-radius:9px;box-shadow:0 4px 14px -4px #00000080}.kr-brand__name{font-family:var(--display);letter-spacing:-.01em;font-size:1.25rem;font-weight:700}.kr-nav__cta{color:#fff;border:1.5px solid #ffffff4d;border-radius:999px;padding:.6rem 1.05rem;font-size:.92rem;font-weight:600;text-decoration:none;transition:background .15s}.kr-nav__cta:hover{background:#ffffff24}.kr-hero__grid{grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(1.5rem,4vw,3rem);width:min(1200px,100%);margin-inline:auto;padding:clamp(1rem,3vw,2rem) clamp(1.25rem,5vw,4rem) clamp(3rem,6vw,5.5rem);display:grid}.kr-hero__title{letter-spacing:-.025em;margin:.4rem 0 0;font-size:clamp(3.4rem,12vw,9rem);font-weight:900}.kr-hero__accent{color:var(--indigo-200);position:relative}.kr-hero__accent:after{content:"";background:linear-gradient(90deg, var(--flame-1), var(--flame-2));border-radius:999px;height:.09em;position:absolute;bottom:.06em;left:0;right:8%}.kr-hero__lede{color:var(--indigo-100);max-width:46ch;margin:1.6rem 0 0;font-size:clamp(1.05rem,1.7vw,1.28rem);line-height:1.6}.kr-recall{backdrop-filter:blur(8px);background:#ffffff12;border:1px solid #ffffff29;border-radius:1.1rem;max-width:30rem;margin-top:2.4rem;padding:1.3rem 1.5rem 1.4rem}.kr-recall__head{align-items:center;gap:.6rem;font-size:.85rem;display:flex}.kr-recall__dot{background:var(--flame-2);width:8px;height:8px;box-shadow:0 0 0 4px color-mix(in srgb, var(--flame-2) 25%, transparent);border-radius:999px}.kr-recall__label{color:#fff;font-weight:700}.kr-recall__from{color:var(--indigo-200);font-family:var(--mono);margin-left:auto;font-size:.74rem}.kr-recall__value{letter-spacing:.14em;color:#fff;white-space:nowrap;min-height:1.2em;margin:.5rem 0 .4rem;font-size:clamp(2.2rem,5.5vw,3.4rem);font-weight:700}.kr-recall__cap{color:var(--indigo-200);font-size:.82rem}.kr-hero__art{justify-content:center;display:flex}.kr-fan{perspective:1400px;justify-content:center;align-items:center;display:flex}.kr-phone{--w:clamp(150px, 15vw, 196px);width:var(--w);background:linear-gradient(160deg,#2b2c39,#0e0f16);border-radius:2rem;flex:none;margin:0;padding:7px;position:relative;box-shadow:0 30px 60px -22px #000000a6,inset 0 0 0 1px #ffffff0f}.kr-phone--left{z-index:1;transform:translate(28%)rotate(-7deg)scale(.9)}.kr-phone--right{z-index:1;transform:translate(-28%)rotate(7deg)scale(.9)}.kr-phone--front{z-index:3;transform:translateY(-10px)}.kr-screen{background:var(--cloud);aspect-ratio:9/19.3;color:var(--ink);border-radius:1.55rem;padding:1.5rem .7rem .7rem;position:relative;overflow:hidden}.kr-island{background:#0e0f16;border-radius:999px;width:34%;height:.85rem;position:absolute;top:.5rem;left:50%;transform:translate(-50%)}.kr-cap{font-family:var(--mono);letter-spacing:.05em;color:var(--indigo-200);white-space:nowrap;font-size:.66rem;position:absolute;bottom:-1.9rem;left:50%;transform:translate(-50%)}.kr-cap--dark{color:var(--grey-500);text-align:right;margin-top:1rem;display:block;position:static;transform:none}.kr-scr-head{justify-content:space-between;align-items:center;margin:.1rem .25rem .7rem;display:flex}.kr-scr-title{font-family:var(--display);font-size:.95rem;font-weight:800}.kr-pill{border-radius:999px;padding:.2rem .45rem;font-size:.58rem;font-weight:700}.kr-pill--flame{color:#fff;background:linear-gradient(135deg, var(--flame-1), var(--flame-2))}.kr-list{flex-direction:column;gap:.4rem;margin:0;padding:0;list-style:none;display:flex}.kr-row{background:#fff;border-radius:.7rem;align-items:center;gap:.5rem;padding:.5rem .55rem;display:flex;box-shadow:0 1px #00000008}.kr-chip{border-radius:999px;flex:none;width:.62rem;height:.62rem}.kr-chip--due{background:var(--flame-2)}.kr-chip--learned{background:var(--green)}.kr-chip--soon{background:var(--grey-300)}.kr-row__main{flex-direction:column;flex:1;gap:.1rem;min-width:0;display:flex}.kr-row__name{white-space:nowrap;text-overflow:ellipsis;font-size:.66rem;font-weight:700;overflow:hidden}.kr-row__secret{color:var(--grey-400);letter-spacing:.18em;font-size:.6rem}.kr-tag{white-space:nowrap;font-size:.52rem;font-weight:700}.kr-tag--due{color:var(--flame-2)}.kr-tag--learned{color:var(--green)}.kr-tag--soon{color:var(--grey-500)}.kr-screen--recall{flex-direction:column;align-items:center;display:flex}.kr-recall-prompt{text-align:center;color:var(--grey-600);margin:.3rem 0 .7rem;font-size:.7rem;line-height:1.35}.kr-recall-prompt strong{color:var(--ink);font-size:.86rem}.kr-dots{gap:.55rem;margin-bottom:.9rem;display:flex}.kr-dots span{border:1.5px solid var(--grey-300);border-radius:999px;width:.62rem;height:.62rem}.kr-dots span.is-on{background:var(--indigo);border-color:var(--indigo)}.kr-keypad{grid-template-columns:repeat(3,1fr);gap:.35rem;width:100%;display:grid}.kr-key{aspect-ratio:1.5;font-family:var(--mono);color:var(--ink);background:#fff;border-radius:.55rem;place-items:center;font-size:.82rem;font-weight:500;display:grid;box-shadow:0 1px #0000000a}.kr-key--blank{box-shadow:none;background:0 0}.kr-show{color:var(--indigo);cursor:default;background:0 0;border:none;margin-top:.75rem;font-size:.62rem;font-weight:700}.kr-screen--reco{display:flex}.kr-reco{text-align:center;margin:auto;padding:0 .2rem}.kr-reco__badge{background:var(--lav-50);border-radius:999px;place-items:center;width:2.4rem;height:2.4rem;margin-bottom:.7rem;display:inline-grid}.kr-flame{color:var(--flame-2);font-size:1rem}.kr-reco__big{font-family:var(--display);margin:0 0 .5rem;font-size:1rem;font-weight:800}.kr-reco__sub{color:var(--grey-600);margin:0;font-size:.66rem;line-height:1.4}.kr-reco__sub strong{color:var(--ink)}.kr-reco__next{color:var(--indigo);letter-spacing:.04em;margin:.35rem 0 .7rem;font-size:1.5rem;font-weight:700}.kr-reco__streak{color:var(--flame-2);background:color-mix(in srgb, var(--flame-2) 12%, #fff);border-radius:999px;padding:.22rem .5rem;font-size:.56rem;font-weight:700}.kr-sec{padding-block:clamp(4rem,9vw,7.5rem)}.kr-sec--light{background:var(--cloud);color:var(--ink)}.kr-sec--lav{background:linear-gradient(180deg, var(--lav-50), var(--lav-100));color:var(--ink)}.kr-sec--indigo{background:linear-gradient(160deg, var(--indigo-600), var(--indigo-800));color:#fff}.kr-sec--deep{background:radial-gradient(120% 80% at 80% -10%, var(--indigo-800) 0%, transparent 55%), linear-gradient(170deg, var(--indigo-900), var(--ink));color:#fff}.kr-two{grid-template-columns:1.15fr .85fr;align-items:start;gap:clamp(1.5rem,4vw,3rem);margin-top:2.5rem;display:grid}.kr-prose p{color:var(--grey-600);margin:0 0 1.1rem;font-size:clamp(1.02rem,1.5vw,1.18rem);line-height:1.65}.kr-prose em{color:var(--grey-700);font-style:italic}.kr-positioning{border:1px solid var(--grey-200);background:#fff;border-radius:1.2rem;padding:clamp(1.4rem,2.5vw,2rem);box-shadow:0 24px 50px -30px #2b257859}.kr-positioning__kicker{font-family:var(--display);color:var(--indigo-700);margin:0 0 .7rem;font-size:1.3rem;font-weight:800}.kr-positioning__lead{color:var(--grey-700);margin:0 0 1.3rem;font-size:1rem;line-height:1.6}.kr-versus{flex-wrap:wrap;align-items:center;gap:.6rem;display:flex}.kr-versus__no{color:var(--grey-500);font-size:.82rem;font-weight:600;text-decoration:line-through}.kr-versus__arrow{color:var(--flame-2);font-weight:700}.kr-versus__yes{color:var(--indigo);font-size:.88rem;font-weight:800}.kr-split{grid-template-columns:1fr 1fr;align-items:center;gap:clamp(2rem,5vw,4rem);display:grid}.kr-split--rev .kr-split__copy{order:2}.kr-microline{color:var(--indigo-200);margin-top:1.6rem;font-size:.85rem}.kr-card{color:var(--ink);background:#fff;border-radius:1.4rem;padding:clamp(1.3rem,3vw,2rem);box-shadow:0 40px 80px -40px #00000080}.kr-card--sched .kr-sched__top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.6rem;margin-bottom:1.4rem;display:flex}.kr-sched__name{font-family:var(--display);font-size:1.05rem;font-weight:800}.kr-grades{gap:.35rem;display:inline-flex}.kr-grade{background:var(--grey-100);color:var(--grey-500);border-radius:999px;padding:.35rem .7rem;font-size:.72rem;font-weight:700}.kr-grade.is-picked{background:linear-gradient(135deg, var(--indigo-300), var(--indigo));color:#fff}.kr-timeline{margin:0;padding:0;list-style:none;position:relative}.kr-timeline:before{content:"";background:linear-gradient(180deg, var(--indigo), var(--grey-200));width:2px;position:absolute;top:.5rem;bottom:.5rem;left:.42rem}.kr-tl{grid-template-columns:auto 1fr;align-items:baseline;gap:.2rem 1rem;padding:.55rem 0 .55rem 1.7rem;display:grid;position:relative}.kr-tl__node{border:2.5px solid var(--grey-300);background:#fff;border-radius:999px;width:.9rem;height:.9rem;position:absolute;top:.55rem;left:0}.kr-tl.is-now .kr-tl__node{border-color:var(--indigo);background:var(--indigo)}.kr-tl.is-far .kr-tl__node{border-color:var(--indigo-200)}.kr-tl__when{color:var(--indigo-700);grid-row:1;font-size:.86rem;font-weight:700}.kr-tl__label{color:var(--grey-500);text-align:right;grid-area:1/2;font-size:.82rem}.kr-sched__foot{color:var(--grey-600);margin:1.2rem 0 0;font-size:.9rem}.kr-sched__foot strong{color:var(--indigo)}.kr-ladder{flex-direction:column;gap:.6rem;margin:0;padding:0;list-style:none;display:flex}.kr-rung{background:var(--cloud);border:1px solid var(--grey-200);border-radius:.9rem;grid-template-columns:auto 1fr;align-items:start;gap:.9rem;padding:.9rem 1rem;display:grid}.kr-rung__no{background:var(--indigo);color:#fff;border-radius:.55rem;place-items:center;width:1.7rem;height:1.7rem;font-size:.85rem;font-weight:700;display:grid}.kr-rung__body{flex-direction:column;gap:.25rem;display:flex}.kr-rung__step{font-size:.98rem;font-weight:800}.kr-rung__desc{color:var(--grey-600);font-size:.85rem;line-height:1.45}.kr-meter{background:var(--grey-200);border-radius:999px;height:4px;margin-top:.4rem;display:block;overflow:hidden}.kr-meter__fill{background:linear-gradient(90deg, var(--indigo-300), var(--indigo));border-radius:999px;height:100%;display:block}.kr-claims{grid-template-columns:repeat(3,1fr);gap:clamp(1rem,2.5vw,1.8rem);margin-top:2.6rem;display:grid}.kr-claim{background:#ffffff0f;border:1px solid #ffffff24;border-radius:1.2rem;padding:clamp(1.3rem,2.5vw,1.8rem)}.kr-claim__no{color:var(--indigo-300);margin-bottom:1rem;font-size:.85rem;display:block}.kr-claim__t{font-family:var(--display);margin:0 0 .6rem;font-size:1.3rem;font-weight:800}.kr-claim__d{color:var(--indigo-100);margin:0;font-size:.96rem;line-height:1.6}.kr-claims__cta{margin-top:2.6rem}.kr-final{background:linear-gradient(150deg, var(--indigo) 0%, var(--indigo-700) 100%);color:#fff;text-align:center;overflow:hidden}.kr-final__wrap{flex-direction:column;align-items:center;display:flex}.kr-final__title{letter-spacing:-.025em;margin:.4rem 0 0;font-size:clamp(2.6rem,8vw,6rem);font-weight:900}.kr-final__lede{color:var(--indigo-100);max-width:44ch;margin:1.4rem 0 2.2rem;font-size:clamp(1.05rem,1.8vw,1.3rem);line-height:1.6}.kr-foot{background:var(--ink);color:var(--grey-400);padding-block:3.5rem}.kr-foot__grid{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.2rem 2rem;display:flex}.kr-brand--foot .kr-brand__name{color:#fff;font-size:1.1rem}.kr-foot__links{flex-wrap:wrap;gap:1.4rem;display:flex}.kr-foot__links a{color:var(--grey-400);font-size:.92rem;font-weight:500;text-decoration:none;transition:color .14s}.kr-foot__links a:hover{color:#fff}.kr-foot__copy{width:100%;color:var(--grey-600);margin:.4rem 0 0;font-size:.82rem}.kr-reveal{opacity:0;transition:opacity .62s,transform .62s;transform:translateY(20px)}.kr-reveal.is-in{opacity:1;transform:none}.kr a:focus-visible,.kr button:focus-visible{outline:3px solid var(--flame-2);outline-offset:3px;border-radius:6px}@media (width<=980px){.kr-hero__grid{grid-template-columns:1fr}.kr-hero__art{margin-top:1rem}.kr-two,.kr-split{grid-template-columns:1fr}.kr-split--rev .kr-split__copy{order:0}.kr-claims{grid-template-columns:1fr}}@media (width<=560px){.kr-phone{--w:clamp(132px, 40vw, 168px)}.kr-phone--left{transform:translate(14%)rotate(-6deg)scale(.84)}.kr-phone--right{transform:translate(-14%)rotate(6deg)scale(.84)}.kr-recall__value{letter-spacing:.1em}}@media (prefers-reduced-motion:reduce){.kr-reveal{opacity:1;transition:none;transform:none}.kr-btn,.kr-nav__cta,.kr-foot__links a{transition:none}}