.ik-shell,.ik-landing{--ik-ink:#101010;--ik-paper:#f7f7f5;--ik-line:#c9c9c5;background:var(--ik-paper);color:var(--ik-ink);font-family:"Aptos Display",Aptos,"Segoe UI",Arial,sans-serif;min-height:100vh;overflow-x:clip}.ik-main{max-width:none}.ik-header{align-items:center;border-bottom:1px solid var(--ik-ink);display:flex;justify-content:space-between;padding:20px clamp(20px,4vw,68px)}.ik-brand,.ik-header nav a{color:inherit;font-size:12px;font-weight:700;text-decoration:none}.ik-brand{letter-spacing:.08em;text-transform:uppercase}.ik-header nav{display:flex;gap:24px}.ik-eyebrow,.ik-index{font-size:11px;font-weight:700;letter-spacing:.1em;margin:0;text-transform:uppercase}

.ik-landing{padding:22px clamp(20px,4vw,68px) clamp(60px,7vw,120px)}.ik-hero{display:grid;gap:clamp(34px,4.8vw,88px);grid-template-columns:minmax(0,1.36fr) minmax(320px,.64fr);padding-top:clamp(70px,10vw,155px)}.ik-hero__title{grid-column:1}.ik-hero h1,.ik-auth h1,.ik-dashboard-head h1,.ik-lesson h1{font-family:"Aptos Display",Aptos,"Segoe UI",Arial,sans-serif;font-size:clamp(3.4rem,5.5vw,6.5rem);font-weight:700;letter-spacing:-.035em;line-height:.96;margin:0;max-width:1050px}.ik-hero__copy{align-self:end;display:grid;gap:24px;grid-column:2;grid-row:1 / span 2;max-width:430px}.ik-hero__copy p,.ik-auth>div>p,.ik-dashboard-head>p{font-size:clamp(1rem,1.2vw,1.18rem);line-height:1.55;margin:0}.ik-hero__portrait{aspect-ratio:4/5;grid-column:1;margin:clamp(45px,6vw,100px) 0 0;max-width:610px;overflow:hidden}.ik-hero__portrait img{display:block;filter:grayscale(1) contrast(1.08);height:100%;object-fit:cover;object-position:center 35%;width:100%}.ik-button{align-items:center;background:var(--ik-ink);border:1px solid var(--ik-ink);color:var(--ik-paper);display:inline-flex;font-size:13px;font-weight:700;justify-content:center;min-height:54px;padding:0 22px;text-decoration:none;transition:background-color .18s,color .18s}.ik-button:hover{background:var(--ik-paper);color:var(--ik-ink)}.ik-button span{display:none}

.ik-steps{border-top:1px solid var(--ik-ink);display:grid;gap:30px;grid-template-columns:.55fr 1.45fr;padding:clamp(48px,7vw,110px) clamp(20px,4vw,68px)}.ik-steps>p{font-size:12px;font-weight:600;letter-spacing:.08em;margin:0;text-transform:uppercase}.ik-steps ol{list-style:none;margin:0;padding:0}.ik-steps li{border-top:1px solid var(--ik-line);display:grid;font-size:clamp(1.3rem,2.3vw,2.35rem);gap:35px;grid-template-columns:70px 1fr;padding:20px 0}.ik-steps li span{font-size:12px;padding-top:8px}

.ik-auth,.ik-dashboard-head,.ik-lesson,.ik-screen{padding:clamp(60px,10vw,150px) clamp(20px,10vw,14vw)}.ik-auth{display:grid;gap:clamp(50px,12vw,190px);grid-template-columns:minmax(0,1.1fr) minmax(320px,.55fr)}.ik-auth h1{font-size:clamp(3.1rem,6.1vw,7.3rem);margin-bottom:30px}.ik-form{display:grid;gap:17px}.ik-form label{display:grid;font-size:12px;font-weight:600;gap:8px;letter-spacing:.08em;text-transform:uppercase}.ik-form input,.ik-homework textarea{background:transparent;border:0;border-bottom:1px solid var(--ik-ink);border-radius:0;font:inherit;outline:none;padding:14px 0}.ik-form input:focus,.ik-homework textarea:focus{border-width:2px}.ik-text-button{background:none;border:0;cursor:pointer;padding:8px 0;text-align:left;text-decoration:underline}.ik-error{color:#b00020!important}.ik-success{font-weight:600}.ik-dashboard-head{border-bottom:1px solid var(--ik-ink);display:grid;gap:30px}.ik-dashboard-head h1{margin:0}.ik-dashboard-head>p{max-width:520px}.ik-status,.ik-courses,.ik-history,.ik-homework{padding:clamp(38px,5vw,76px) clamp(20px,10vw,14vw)}.ik-status{background:var(--ik-ink);color:var(--ik-paper);display:grid;gap:10px}.ik-status p{margin:0}.ik-courses{display:grid;gap:28px}.ik-course{border-top:1px solid var(--ik-ink);display:grid;gap:35px;grid-template-columns:1.4fr .6fr;padding:28px 0}.ik-course span,.ik-history article span{font-size:12px;font-weight:600;letter-spacing:.07em;text-transform:uppercase}.ik-course h2,.ik-history h2,.ik-homework h2{font-size:clamp(2rem,3.7vw,4.5rem);letter-spacing:-.065em;line-height:.95;margin:18px 0}.ik-course p{font-size:17px;max-width:680px}.ik-course .ik-button{align-self:end;justify-self:end;min-width:215px}.ik-history{border-top:1px solid var(--ik-ink)}.ik-history article{border-top:1px solid var(--ik-line);padding:24px 0}.ik-history article p{line-height:1.6;max-width:790px}.ik-history blockquote{border-left:2px solid var(--ik-ink);font-size:16px;margin:20px 0 0;padding-left:18px}.ik-back{color:inherit;display:inline-block;margin-bottom:70px}.ik-lesson{max-width:1200px}.ik-lesson h1{font-size:clamp(3rem,6vw,7rem);margin:22px 0 60px}.ik-lesson__content{font-size:clamp(1.2rem,1.65vw,1.55rem);line-height:1.7;max-width:800px;white-space:pre-line}.ik-documents{border-top:1px solid var(--ik-ink);display:grid;gap:12px;margin-top:65px;padding-top:22px}.ik-documents h2{margin:0}.ik-homework{background:var(--ik-ink);color:var(--ik-paper);margin:75px calc(clamp(20px,10vw,14vw)*-1) -150px}.ik-homework textarea{border-color:var(--ik-paper);color:var(--ik-paper);display:block;min-height:160px;resize:vertical;width:100%}.ik-homework .ik-button{background:var(--ik-paper);color:var(--ik-ink);margin-top:22px}.ik-homework .ik-button:hover{background:var(--ik-ink);border-color:var(--ik-paper);color:var(--ik-paper)}

@media(max-width:900px){.ik-header{padding:16px 20px}.ik-header nav{gap:15px}.ik-landing{padding:16px 20px 0}.ik-hero,.ik-auth,.ik-steps,.ik-course{grid-template-columns:1fr}.ik-hero{padding-top:72px}.ik-hero__copy{grid-column:1;grid-row:auto;max-width:600px}.ik-hero__portrait{grid-column:1;margin-top:20px;max-width:none}.ik-hero h1{font-size:clamp(3.1rem,13vw,5.2rem)}.ik-steps,.ik-dashboard-head,.ik-auth,.ik-lesson,.ik-screen{padding-left:20px;padding-right:20px}.ik-status,.ik-courses,.ik-history,.ik-homework{padding-left:20px;padding-right:20px}.ik-course .ik-button{justify-self:start}.ik-lesson h1{font-size:clamp(3rem,14vw,5.5rem)}.ik-homework{margin-bottom:-60px;margin-left:-20px;margin-right:-20px}.ik-lesson,.ik-auth,.ik-dashboard-head,.ik-screen{padding-bottom:60px;padding-top:70px}}

.ik-status code{background:rgba(255,255,255,.12);font-size:1rem;padding:10px 12px}.ik-confirm-command{align-items:stretch;display:flex;justify-self:start}.ik-copy-button{background:var(--ik-paper);border:1px solid var(--ik-paper);color:var(--ik-ink);cursor:pointer;font:inherit;font-size:12px;font-weight:600;padding:0 16px}.ik-copy-button:hover{background:transparent;color:var(--ik-paper)}.ik-copy-status{font-size:13px;min-height:20px}.ik-status .ik-button{background:var(--ik-paper);color:var(--ik-ink);justify-self:start}.ik-profile h1{margin:20px 0 46px}.ik-profile .ik-form{max-width:620px}

@media(max-width:480px){.ik-confirm-command{align-items:stretch;display:grid;gap:8px}.ik-confirm-command code{width:max-content}.ik-copy-button{min-height:44px}}

/* Keep the portal's type hierarchy on the system Aptos Display family. */
.ik-shell{font-size:16px;font-weight:400;letter-spacing:-.01em;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.ik-eyebrow,.ik-index{font-size:12px;font-weight:600;letter-spacing:.07em}
.ik-header nav a{font-size:13px;font-weight:600;letter-spacing:0}
.ik-button{font-size:14px;letter-spacing:0}

/* Landing: one editorial hero, not separate rows with detached content. */
.ik-landing{padding:0 clamp(20px,4vw,68px) clamp(72px,8vw,130px)}
.ik-landing__header{align-items:center;border-bottom:1px solid var(--ik-ink);display:flex;justify-content:space-between;padding:20px 0}
.ik-landing__header a{color:var(--ik-ink);font-size:12px;font-weight:700;text-decoration:none}
.ik-landing__hero{align-items:center;display:grid;gap:clamp(42px,7vw,130px);grid-template-columns:minmax(0,1.08fr) minmax(420px,.92fr);min-height:calc(100svh - 59px);padding:clamp(50px,6vw,108px) 0}
.ik-landing__content{display:grid;gap:clamp(20px,2.2vw,34px);max-width:880px}
.ik-landing__content h1{font-size:clamp(3.35rem,4.65vw,5.2rem);font-weight:700;letter-spacing:-.035em;line-height:.96;margin:0}
.ik-landing__content h1 span{white-space:nowrap}
.ik-landing__lead{font-size:clamp(1.2rem,1.55vw,1.55rem);line-height:1.3;margin:8px 0 0;max-width:650px}
.ik-landing__note{font-size:1rem;line-height:1.55;margin:0;max-width:500px}
.ik-landing__content .ik-button{justify-self:start;margin-top:8px;min-width:230px}
.ik-landing .ik-hero__portrait{aspect-ratio:auto;grid-column:auto;height:clamp(510px,67vh,760px);margin:0;max-width:none;width:100%}
.ik-landing .ik-hero__portrait img{object-position:center 28%}

@media(max-width:1050px){.ik-landing__hero{grid-template-columns:minmax(0,1fr) minmax(340px,.8fr);gap:42px}.ik-landing__content h1{font-size:clamp(3rem,5.4vw,4.6rem)}.ik-landing__content h1 span{white-space:normal}}
@media(max-width:760px){.ik-landing__hero{display:flex;flex-direction:column;align-items:stretch;min-height:0;padding:58px 0 0}.ik-landing__content{gap:22px}.ik-landing__content h1{font-size:clamp(3rem,13vw,4.8rem)}.ik-landing .ik-hero__portrait{height:auto;aspect-ratio:4/5;margin-top:22px}.ik-landing__content .ik-button{width:100%}}

/* Cabinet login: content and input are two balanced parts of one screen. */
.ik-login{align-items:center;gap:clamp(56px,9vw,180px);grid-template-columns:minmax(0,1fr) minmax(430px,520px);min-height:calc(100svh - 65px);padding-bottom:clamp(70px,9vw,150px);padding-top:clamp(70px,9vw,150px)}
.ik-login__intro{display:grid;gap:26px;max-width:760px}
.ik-login h1{font-size:clamp(3.6rem,5.2vw,6.2rem);max-width:720px}
.ik-login__intro>.ik-button{justify-self:start;margin-top:8px;min-width:290px}
.ik-login .ik-form{border:1px solid var(--ik-ink);gap:28px;padding:clamp(28px,3vw,44px)}
.ik-login .ik-form label{gap:11px}
.ik-login .ik-form input{border:1px solid var(--ik-ink);min-height:56px;padding:0 15px}
.ik-login .ik-form input::placeholder{color:#777;opacity:1}
.ik-login .ik-form .ik-button{margin-top:4px;width:100%}

@media(max-width:900px){.ik-login{align-items:stretch;grid-template-columns:1fr;min-height:0}.ik-login__intro{max-width:680px}.ik-login .ik-form{max-width:620px}.ik-login h1{font-size:clamp(3.3rem,12vw,5.6rem)}}

/* Soft corners keep the editorial layout from feeling too square. */
.ik-shell,.ik-landing{--ik-radius:18px;--ik-radius-small:12px}
.ik-button{border-radius:var(--ik-radius-small)}
.ik-header nav a,.ik-landing__header>a{border-radius:999px}
.ik-login .ik-form{border-radius:var(--ik-radius)}
.ik-login .ik-form input{border-radius:var(--ik-radius-small)}
.ik-status{border-radius:var(--ik-radius)}
.ik-course{border:1px solid var(--ik-line);border-radius:var(--ik-radius);padding:clamp(24px,3.5vw,42px)}
.ik-history article{border:1px solid var(--ik-line);border-radius:var(--ik-radius);padding:24px clamp(20px,3vw,34px)}
.ik-landing .ik-hero__portrait{border-radius:24px}
.ik-homework{border-radius:var(--ik-radius) var(--ik-radius) 0 0}
.ik-copy-button{border-radius:0 var(--ik-radius-small) var(--ik-radius-small) 0}

/* Override site.css's display face so all portal headings use Aptos Display too. */
.ik-shell h1,.ik-shell h2,.ik-shell h3{font-family:"Aptos Display",Aptos,"Segoe UI",Arial,sans-serif;font-synthesis:none}
.ik-shell h1{font-weight:700}
.ik-shell h2,.ik-shell h3{font-weight:600}
.ik-course h2,.ik-history h2,.ik-homework h2{letter-spacing:-.04em;line-height:1.02}

@media(max-width:900px){.ik-course{padding:24px 20px}.ik-homework{border-radius:var(--ik-radius) var(--ik-radius) 0 0}}