
    :root {
      color-scheme: light;
      --purple: #6845AD;
      --green: #427563;
      --brown: #A45E37;
      --yellow: #FFF0B8;
      --page: #FAF8FF;
      --paper: #FFFFFF;
      --ink: #302641;
      --muted: #70647D;
      --lavender: #F0EAFA;
      --line: #E5DEEE;
      font-family: 'Trebuchet MS', Arial, sans-serif;
      color: var(--ink);
      background: var(--page);
      font-size: 17px;
      scroll-behavior: smooth;
    }
    * { box-sizing: border-box; }
    body { margin: 0; }
    button, a { -webkit-tap-highlight-color: transparent; }
    button { font: inherit; cursor: pointer; }
    a { color: inherit; }
    button:focus-visible, a:focus-visible { outline: 3px solid var(--green); outline-offset: 5px; }
    .wrap { width: min(1120px, calc(100% - 80px)); margin-inline: auto; }
    .site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 106px; }
    .wordmark { color: var(--brown); font-size: 29px; font-weight: 700; letter-spacing: -.9px; text-decoration: none; white-space: nowrap; }
    .wordmark span { color: var(--green); }
    .navigation { display: flex; align-items: center; gap: 32px; font-size: 15px; font-weight: 700; }
    .navigation a { text-decoration: none; color: var(--green); }
    .login { background: var(--purple); color: var(--paper); border: 0; border-radius: 18px; font-weight: 700; min-height: 52px; padding: 15px 26px; }
    .navigation .login { min-height: 45px; padding: 12px 23px; border-radius: 14px; font-size: 15px; }
    .login .arrow { margin-left: 14px; }
    .hero { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 22px; padding: 44px 0 64px; }
    .eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 23px; font-weight: 700; color: var(--green); font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; }
    .eyebrow:before { content: ''; width: 8px; height: 8px; flex: 0 0 8px; border-radius: 50%; background: currentColor; }
    h1 { margin: 0; font-size: 56px; letter-spacing: -1.9px; line-height: 1.13; color: var(--brown); font-weight: 700; }
    h1 span { display: block; }
    .intro { max-width: 454px; margin: 25px 0 27px; font-size: 18px; line-height: 1.75; color: var(--muted); }
    .hero-actions { display: flex; align-items: center; gap: 25px; flex-wrap: wrap; }
    .text-link { color: var(--green); font-weight: 700; text-decoration: none; font-size: 15px; }
    .text-link span { display: inline-block; margin-left: 7px; }
    .little-note { font-size: 13px; color: var(--muted); margin: 21px 0 0; }
    .hero-art { position: relative; height: 405px; isolation: isolate; }
    .sunny-shape { position: absolute; z-index: -2; background: var(--yellow); width: 96%; height: 340px; left: 2%; top: 25px; border-radius: 45% 55% 42% 47% / 48% 41% 55% 52%; transform: rotate(-4deg); }
    .floor { position: absolute; z-index: -1; left: 9%; bottom: 37px; width: 84%; height: 32px; background: #42756314; border-radius: 50%; }
    .hero-art img { position: absolute; bottom: 40px; width: 60%; height: auto; }
    .hero-art .klara { left: -2%; transform: rotate(-3deg); }
    .hero-art .sam { right: -5%; transform: rotate(3deg); }
    .hello { position: absolute; top: 12px; left: 39%; padding: 12px 22px; background: var(--paper); color: var(--purple); border-radius: 21px 21px 21px 5px; transform: rotate(5deg); font-size: 24px; font-weight: 700; box-shadow: 0 5px 0 #A45E3708; }
    .art-caption { position: absolute; bottom: 2px; left: 0; right: 0; text-align: center; color: var(--green); font-size: 13px; letter-spacing: .2px; }
    .formats { padding: 48px 0 61px; border-top: 1px solid var(--line); }
    .section-top { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 30px; }
    .section-top .eyebrow { margin-bottom: 15px; }
    h2 { margin: 0; font-size: 33px; line-height: 1.25; letter-spacing: -.8px; color: var(--green); }
    .section-aside { margin: 0; color: var(--muted); max-width: 240px; font-size: 14px; line-height: 1.6; }
    .format-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
    .format { background: var(--paper); padding: 25px 23px 27px; border-radius: 20px; border: 1px solid var(--line); }
    .format-icon { width: 52px; height: 52px; margin-bottom: 20px; color: var(--purple); }
    .format:nth-child(2) .format-icon { color: var(--green); }
    .format:nth-child(3) .format-icon { color: var(--brown); }
    .format:nth-child(4) .format-icon { color: var(--purple); }
    .format-icon svg { display: block; width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
    h3 { margin: 0 0 11px; font-size: 19px; line-height: 1.3; color: var(--green); letter-spacing: -.2px; }
    .format p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0; }
    .course-note { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin: 23px 0 0; font-size: 13px; color: var(--muted); }
    .course-note b { font-weight: 400; color: var(--green); }
    .course-note span { color: var(--green); }
    .parents { background: var(--green); color: var(--paper); border-radius: 28px; padding: 45px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 47px; align-items: center; position: relative; overflow: hidden; }
    .parents .eyebrow { color: var(--yellow); margin-bottom: 19px; }
    .parents h2 { color: var(--paper); font-size: 35px; }
    .parents-description { margin: 19px 0 0; max-width: 360px; color: #FFFFFFE6; font-size: 15px; line-height: 1.8; }
    .parent-resources { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; align-items: start; }
    .parent-resource { border-radius: 16px; background: var(--paper); color: var(--ink); padding: 19px 19px 20px; min-height: 243px; }
    .parent-resource:nth-child(2) { margin-top: 22px; background: var(--yellow); }
    .book { width: 59px; height: 73px; border-radius: 3px 7px 7px 3px; background: var(--lavender); border-left: 5px solid var(--purple); position: relative; padding: 15px 8px 8px; margin-bottom: 19px; color: var(--purple); }
    .book:before, .book:after { content: ''; display: block; width: 29px; height: 3px; background: currentColor; border-radius: 2px; margin-bottom: 6px; }
    .book:after { width: 18px; }
    .book span { position: absolute; bottom: 12px; left: 8px; font-size: 8px; font-weight: 700; }
    .parent-resource:nth-child(2) .book { background: var(--paper); border-left-color: var(--brown); color: var(--brown); transform: rotate(-6deg); }
    .parent-resource h3 { font-size: 18px; color: var(--purple); margin-bottom: 9px; }
    .parent-resource:nth-child(2) h3 { color: var(--brown); }
    .parent-resource p { font-size: 13px; line-height: 1.65; margin: 0; color: var(--muted); }
    .invitation { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding: 56px 0; }
    .invitation h2 { color: var(--brown); font-size: 29px; }
    .invitation p { font-size: 15px; line-height: 1.6; color: var(--muted); margin: 12px 0 0; }
    .invitation .login { flex: 0 0 auto; }
    .site-footer { border-top: 1px solid var(--line); padding: 25px 0 29px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 12px; }
    .footer-brand { font-size: 17px; color: var(--brown); font-weight: 700; margin-right: 17px; }
    .footer-links { display: flex; gap: 23px; }
    @media (min-width: 1400px) { .hero { padding-block: 56px 70px; } }
    @media (max-width: 950px) {
      .wrap { width: calc(100% - 48px); }
      .hero { gap: 10px; padding-top: 30px; }
      h1 { font-size: 43px; letter-spacing: -1.2px; }
      .hero-art { height: 350px; }
      .sunny-shape { height: 275px; top: 35px; }
      .hero-art img { width: 64%; bottom: 45px; }
      .hero-art .klara { left: -5%; }
      .hero-art .sam { right: 0; }
      .hello { top: 20px; font-size: 20px; }
      .intro { font-size: 16px; }
      .hero-actions { gap: 17px; }
      .format-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .parents { padding: 32px; gap: 25px; }
      .parents h2 { font-size: 29px; }
      .parent-resource { padding: 17px; }
    }
    @media (max-width: 600px) {
      .wrap { width: calc(100% - 36px); }
      .site-header { min-height: 83px; gap: 12px; }
      .wordmark { font-size: 24px; }
      .navigation { gap: 0; }
      .navigation > a { display: none; }
      .navigation .login { min-height: 42px; padding: 11px 17px; font-size: 14px; }
      .hero { grid-template-columns: 1fr; gap: 12px; padding: 24px 0 34px; }
      .eyebrow { font-size: 10px; letter-spacing: 1px; gap: 7px; margin-bottom: 19px; }
      .eyebrow:before { width: 6px; height: 6px; flex-basis: 6px; }
      h1 { font-size: clamp(32px, 9.6vw, 45px); letter-spacing: -1.25px; line-height: 1.16; }
      .intro { margin-block: 19px 23px; max-width: 400px; font-size: 16px; line-height: 1.7; }
      .hero-actions { gap: 20px; }
      .hero-actions .login { min-height: 50px; padding: 14px 22px; }
      .text-link { font-size: 13px; }
      .little-note { font-size: 11px; margin-top: 17px; }
      .hero-art { width: min(100%, 400px); justify-self: center; height: 291px; margin-top: 10px; }
      .sunny-shape { height: 232px; top: 23px; }
      .hero-art img { width: 62%; bottom: 28px; }
      .hero-art .klara { left: -2%; }
      .hero-art .sam { right: 0; }
      .floor { bottom: 28px; }
      .hello { top: 8px; padding: 9px 18px; font-size: 19px; }
      .art-caption { font-size: 11px; }
      .formats { padding: 32px 0 35px; }
      .section-top { display: block; margin-bottom: 22px; }
      .section-top .eyebrow { margin-bottom: 12px; }
      h2 { font-size: 27px; letter-spacing: -.65px; }
      .section-aside { margin-top: 14px; max-width: 350px; font-size: 14px; }
      .format-grid { gap: 12px; }
      .format { padding: 19px 15px 20px; border-radius: 17px; }
      .format-icon { width: 42px; height: 42px; margin-bottom: 17px; }
      h3 { font-size: 17px; line-height: 1.35; margin-bottom: 9px; }
      .format p { font-size: 14px; line-height: 1.65; }
      .course-note { font-size: 12px; gap: 7px; line-height: 1.65; margin-top: 19px; }
      .parents { grid-template-columns: 1fr; gap: 25px; border-radius: 22px; padding: 27px 22px 29px; }
      .parents .eyebrow { margin-bottom: 15px; }
      .parents h2 { font-size: 29px; }
      .parents-description { font-size: 14px; line-height: 1.7; margin-top: 15px; }
      .parent-resources { gap: 12px; }
      .parent-resource { min-height: 235px; border-radius: 13px; padding: 17px 13px; }
      .parent-resource:nth-child(2) { margin-top: 15px; }
      .parent-resource h3 { font-size: 16px; }
      .parent-resource p { font-size: 13px; }
      .book { width: 49px; height: 64px; margin-bottom: 15px; padding: 13px 6px 6px; }
      .book:before { width: 25px; }
      .book:after { width: 16px; }
      .invitation { padding-block: 36px; display: block; }
      .invitation h2 { font-size: 27px; }
      .invitation p { font-size: 14px; margin-top: 12px; }
      .invitation .login { margin-top: 22px; }
      .site-footer { align-items: start; flex-direction: column; gap: 17px; padding-block: 23px; }
      .footer-brand { display: block; margin: 0 0 8px; font-size: 18px; }
      .footer-links { gap: 24px; font-size: 12px; }
    }
    @media (max-width: 350px) {
      .wrap { width: calc(100% - 28px); }
      .wordmark { font-size: 22px; }
      .navigation .login { padding-inline: 13px; font-size: 13px; }
      .hero-actions { gap: 15px; }
      .hero-actions .login { padding-inline: 17px; }
      .text-link { font-size: 12px; }
      .hero-art { height: 259px; }
      .sunny-shape { height: 206px; }
      .parents { padding-inline: 17px; }
      .parent-resources { gap: 9px; }
      .parent-resource { padding: 15px 11px; }
      .parent-resource h3 { font-size: 14px; }
    }
    @media (prefers-reduced-motion: reduce) { :root { scroll-behavior: auto; } }


    .format { min-width: 0; position: relative; overflow: hidden; min-height: 366px; padding: 190px 24px 26px; background: var(--paper); border: 1px solid var(--line); border-radius: 21px; }
    .visual { position: absolute; right: 0; top: 0; height: 181px; width: 100%; pointer-events: none; }
    .color-corner { position: absolute; top: 0; right: 0; width: 188px; height: 154px; border-radius: 0 0 0 78%; background: var(--yellow); }
    .print-card { position: absolute; width: 91px; height: 129px; object-fit: contain; background: var(--paper); border-radius: 8px; box-shadow: 0 6px 13px #30264124; }
    .print-card.back { top: 18px; right: 82px; transform: rotate(-13deg); }
    .print-card.front { top: 38px; right: 21px; transform: rotate(10deg); }
    .sheet { position: absolute; width: 89px; height: 126px; object-fit: contain; background: var(--paper); box-shadow: 0 7px 16px #30264129; border: 3px solid var(--paper); border-radius: 2px; }
    .sheet.back { top: 17px; right: 79px; transform: rotate(-13deg); }
    .sheet.front { top: 39px; right: 20px; transform: rotate(8deg); }
    .device { position: absolute; right: 14px; top: 26px; width: 211px; height: 148px; padding: 5px; border-radius: 12px; background: var(--ink); transform: rotate(4deg); box-shadow: 0 7px 15px #30264126; }
    .browser-bar { display: flex; align-items: center; gap: 3px; height: 11px; padding-left: 5px; }
    .browser-bar i { display: block; width: 3px; height: 3px; background: #FFFFFF8C; border-radius: 50%; }
    .screen { width: 100%; height: 126px; overflow: hidden; border-radius: 5px; background: var(--paper); }
    .screen img { width: 100%; height: 100%; object-fit: cover; object-position: center 54%; display: block; }

    .format h3 { color: var(--green); font-size: 22px; line-height: 1.25; letter-spacing: -.3px; margin: 0 0 13px; }
    .format .description { color: var(--muted); font-size: 15px; line-height: 1.7; margin: 0; }
    @media (max-width: 930px) {
      .format-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .format { min-height: 351px; }
    }
    @media (max-width: 520px) {
      .format-grid { gap: 12px; }
      .format { padding: 155px 16px 22px; min-height: 350px; border-radius: 18px; }
      .visual { height: 147px; }
      .color-corner { width: 139px; height: 123px; }
      .print-card { width: 68px; height: 97px; border-radius: 6px; }
      .print-card.back { right: 65px; top: 17px; }
      .print-card.front { right: 16px; top: 32px; }
      .sheet { width: 67px; height: 95px; border-width: 2px; }
      .sheet.back { right: 65px; top: 16px; }
      .sheet.front { right: 16px; top: 32px; }
      .device { right: 10px; top: 28px; width: 142px; height: 105px; padding: 4px; border-radius: 9px; }
      .browser-bar { height: 9px; }
      .screen { height: 88px; border-radius: 3px; }

      .format h3 { font-size: 18px; margin-bottom: 11px; }
      .format .description { font-size: 14px; line-height: 1.65; }
    }
    @media (max-width: 360px) {
      .format-grid { grid-template-columns: 1fr; }
      .format { min-height: 325px; padding-top: 166px; }
      .color-corner { width: 188px; height: 154px; }
      .print-card { width: 83px; height: 118px; }
      .print-card.back { right: 77px; }
      .print-card.front { right: 21px; }
      .sheet { width: 81px; height: 115px; }
      .sheet.back { right: 76px; }
      .sheet.front { right: 21px; }
      .device { width: 198px; height: 127px; right: 15px; }
      .screen { height: 110px; }

      .format h3 { font-size: 22px; }
      .format .description { font-size: 15px; }
    }


    .ideas-material .doc-sheet {
      position: absolute; width: 174px; padding: 2px;
      background: var(--paper); border-radius: 3px;
      box-shadow: 0 7px 16px #30264129;
    }
    .ideas-material .doc-sheet.guide { top: 17px; right: 66px; transform: rotate(-8deg); }
    .ideas-material .doc-sheet.ideas { top: 77px; right: 20px; transform: rotate(6deg); }
    .ideas-material .doc-label { display: block; height: 16px; padding: 1px 8px 0; font-size: 10px; line-height: 15px; font-weight: 700; color: var(--purple); }
    .ideas-material .ideas .doc-label { color: var(--green); }
    .ideas-material .doc-crop { height: 80px; overflow: hidden; }
    .ideas-material .doc-crop img { display: block; width: 100%; height: auto; }
    @media (max-width: 520px) {
      .ideas-material .doc-sheet { width: 114px; }
      .ideas-material .doc-sheet.guide { top: 13px; right: 40px; }
      .ideas-material .doc-sheet.ideas { top: 65px; right: 9px; }
      .ideas-material .doc-label { height: 14px; padding-inline: 5px; font-size: 8px; line-height: 13px; }
      .ideas-material .doc-crop { height: 52px; }
    }
    @media (max-width: 360px) {
      .ideas-material .doc-sheet { width: 150px; }
      .ideas-material .doc-sheet.guide { top: 10px; right: 65px; }
      .ideas-material .doc-sheet.ideas { top: 64px; right: 16px; }
      .ideas-material .doc-label { font-size: 9px; }
      .ideas-material .doc-crop { height: 69px; }
    }

/* Working navigation and the three existing lessons. */
.login { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.navigation .login { color: var(--paper); }
.login:hover { background: #55388E; }
.login:active { background: #472F76; }
section[id] { scroll-margin-top: 24px; }
.skip-link { position: absolute; top: 8px; left: 8px; padding: 12px 18px; z-index: 10; background: white; color: var(--purple); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.lessons { padding: 38px 0 55px; border-top: 1px solid var(--line); }
.lesson-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.lesson-card { display: flex; flex-direction: column; min-width: 0; padding: 24px; background: var(--paper); border: 1px solid var(--line); border-radius: 20px; text-decoration: none; transition: border-color .15s,box-shadow .15s; }
.lesson-card:hover { border-color: var(--purple); box-shadow: 0 5px 18px #6845AD15; }
.lesson-number { font-size: 13px; font-weight: 700; color: var(--purple); }
.lesson-card img { width: 100%; height: 155px; object-fit: contain; margin: 17px 0 22px; }
.lesson-card h3 { font-size: 21px; }
.lesson-card p { margin: 0 0 24px; color: var(--muted); font-size: 15px; line-height: 1.65; }
.lesson-action { margin-top: auto; padding-top: 12px; color: var(--purple); font-weight: 700; font-size: 15px; display: flex; justify-content: space-between; gap: 12px; }
@media (max-width: 700px) {
 .lesson-grid { grid-template-columns: 1fr; gap: 15px; }
 .lesson-card { padding: 22px; }
 .lesson-card img { height: 145px; }
 .lessons { padding: 30px 0 38px; }
}
@media (max-width: 600px) {
 .navigation .login { display: inline-flex; font-size: 13px; padding-inline: 13px; }
 .wordmark { font-size: 22px; }
 .site-header { gap: 8px; }
}
@media (prefers-reduced-motion: reduce) { .lesson-card { transition: none; } }

.lesson-status { margin-top: 7px; font-size: 13px; color: var(--green); font-weight: 700; }
.lesson-card.completed { border-color: var(--green); }
.lesson-card.locked { background: #F4F0F8; border-style: dashed; cursor: default; box-shadow: none; }
.lesson-card.locked .lesson-action { color: var(--muted); }
.lesson-card.locked img { opacity: .55; }

.parent-resource .parent-guide-link{display:inline-block;margin-top:14px;font-size:13px;line-height:1.6;text-decoration:underline;text-underline-offset:4px}.parent-resource h3 a{text-decoration:none}.parent-resource h3 a:hover{text-decoration:underline}

.ideas-material .material-links{display:grid;gap:9px;margin-top:16px}.material-links a{font-size:12px;line-height:1.6;font-weight:bold;color:var(--purple);text-underline-offset:4px}

.parents-overview-link{display:inline-flex;align-items:center;gap:12px;margin-top:18px;color:white;font-size:14px;font-weight:bold;line-height:1.6;text-underline-offset:4px}
