:root {
    --v12-ink: #07101f;
    --v12-panel: #0d1829;
    --v12-panel-soft: #111f34;
    --v12-line: rgba(156, 181, 219, .18);
    --v12-blue: #5f8cff;
    --v12-cyan: #4bd8ff;
    --v12-green: #50df91;
    --v12-lime: #c9ef5b;
    --v12-gold: #f3c96c;
    --v12-violet: #a788ff;
    --v12-text: #f5f8ff;
    --v12-muted: #aab8cd;
}

/* V12.2 public experience ------------------------------------------------- */
.v12-home-hero {
    min-height: clamp(650px, 82vh, 850px);
    align-items: center;
    background-image:
        linear-gradient(90deg, rgba(3, 7, 15, .98) 0%, rgba(3, 7, 15, .9) 34%, rgba(3, 7, 15, .48) 58%, rgba(3, 7, 15, .08) 82%),
        var(--hero-image);
    background-position: center;
}

.v12-home-hero .v11-hero-inner {
    padding-top: clamp(125px, 12vh, 165px);
    padding-bottom: clamp(64px, 8vh, 100px);
}

.v12-home-hero .v11-hero-copy {
    width: min(48vw, 720px);
    max-width: none;
}

.v12-home-hero h1 {
    max-width: 12ch;
    margin: 20px 0 22px;
    font-size: clamp(52px, 5.25vw, 82px);
    line-height: .98;
    letter-spacing: -.055em;
    text-wrap: balance;
    overflow-wrap: normal;
}

.v12-home-hero p {
    max-width: 620px;
    font-size: clamp(18px, 1.45vw, 21px);
    line-height: 1.55;
    text-wrap: pretty;
}

.v12-work-section {
    color: #fff;
    background:
        radial-gradient(circle at 92% 8%, rgba(75, 216, 255, .11), transparent 30%),
        #07101f;
}

.v12-work-heading {
    color: #fff;
}

.v12-work-heading p {
    color: #aab8cd;
}

.v12-work-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.v12-work-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid rgba(156, 181, 219, .2);
    border-radius: 28px;
    background: #0d1829;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .22);
}

.v12-work-card-featured {
    grid-row: span 2;
}

.v12-work-card img {
    display: block;
    width: 100%;
    height: 270px;
    object-fit: cover;
}

.v12-work-card-featured img {
    height: 430px;
}

.v12-work-card > div {
    padding: 28px;
}

.v12-work-card span {
    color: var(--v12-lime);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.v12-work-card h3 {
    margin: 10px 0 9px;
    color: #fff;
    font-size: clamp(24px, 2.25vw, 36px);
    line-height: 1.08;
    letter-spacing: -.035em;
    text-wrap: balance;
}

.v12-work-card p {
    margin: 0 0 18px;
    color: #aab8cd;
    line-height: 1.65;
}

.v12-work-card a {
    color: #fff;
    font-weight: 850;
    text-decoration: none;
}

.v12-work-card a:hover,
.v12-work-card a:focus-visible {
    color: var(--v12-lime);
}

.v12-offer-note {
    max-width: 680px;
    margin-top: 22px;
    padding: 14px 16px;
    border: 1px solid rgba(201, 239, 91, .32);
    border-radius: 14px;
    color: #e8f3cb;
    background: rgba(201, 239, 91, .08);
    font-weight: 750;
    line-height: 1.5;
}

@media (max-width: 1180px) {
    .v12-home-hero .v11-hero-copy { width: min(58vw, 660px); }
    .v12-home-hero h1 { font-size: clamp(48px, 6vw, 72px); }
}

@media (max-width: 900px) {
    .v12-home-hero {
        min-height: 740px;
        align-items: end;
        background-image:
            linear-gradient(0deg, rgba(3, 7, 15, .99) 0%, rgba(3, 7, 15, .9) 44%, rgba(3, 7, 15, .3) 86%),
            var(--hero-image);
        background-position: 68% center;
    }
    .v12-home-hero .v11-hero-copy { width: min(100%, 720px); }
    .v12-home-hero h1 { max-width: 13ch; font-size: clamp(46px, 9vw, 68px); }
    .v12-work-grid { grid-template-columns: 1fr; }
    .v12-work-card-featured { grid-row: auto; }
    .v12-work-card img,
    .v12-work-card-featured img { height: clamp(260px, 55vw, 430px); }
}

@media (max-width: 620px) {
    .v12-home-hero { min-height: 720px; background-position: 72% center; }
    .v12-home-hero .v11-hero-inner { padding-top: 112px; padding-bottom: 54px; }
    .v12-home-hero h1 { font-size: clamp(42px, 12.5vw, 56px); line-height: .99; letter-spacing: -.045em; }
    .v12-home-hero p { font-size: 17px; line-height: 1.5; }
    .v12-work-card { border-radius: 22px; }
    .v12-work-card > div { padding: 23px; }
    .v12-work-card h3 { font-size: 27px; }
}

.v12-learning-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 40px;
    align-items: center;
    overflow: hidden;
    padding: clamp(34px, 6vw, 74px);
    border: 1px solid var(--v12-line);
    border-radius: 34px;
    background:
        radial-gradient(circle at 85% 18%, rgba(80, 223, 145, .16), transparent 26%),
        radial-gradient(circle at 12% 100%, rgba(95, 140, 255, .18), transparent 35%),
        linear-gradient(135deg, #101e38, #091321 68%);
}

.v12-learning-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: .25;
    background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(to right, #000, transparent 70%);
}

.v12-learning-hero > * {
    position: relative;
    z-index: 1;
}

.v12-learning-hero h1 {
    max-width: 760px;
    margin: 10px 0 16px;
    font-size: clamp(48px, 7vw, 88px);
    line-height: .95;
    letter-spacing: -.065em;
}

.v12-learning-hero p {
    max-width: 720px;
    color: #c4d0e2;
    font-size: clamp(16px, 2vw, 20px);
}

.v12-hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 28px;
}

.learning-time {
    color: #91a2ba;
    font-size: 13px;
}

.v12-progress-orb {
    display: grid;
    place-items: center;
}

.v12-progress-orb > div {
    --progress: 0%;
    position: relative;
    display: grid;
    width: 218px;
    aspect-ratio: 1;
    place-items: center;
    border-radius: 50%;
    background: conic-gradient(var(--v12-green) var(--progress), rgba(255, 255, 255, .08) 0);
    box-shadow: 0 30px 70px rgba(0, 0, 0, .32), 0 0 55px rgba(80, 223, 145, .12);
}

.v12-progress-orb > div::after {
    content: "";
    position: absolute;
    inset: 13px;
    border-radius: inherit;
    background: #0a1424;
    border: 1px solid var(--v12-line);
}

.v12-progress-orb strong,
.v12-progress-orb span {
    position: relative;
    z-index: 1;
    display: block;
    text-align: center;
}

.v12-progress-orb strong {
    align-self: end;
    font-size: 50px;
    letter-spacing: -.06em;
}

.v12-progress-orb span {
    align-self: start;
    color: #9caac0;
    font-size: 12px;
}

.learning-rhythm {
    display: grid;
    grid-template-columns: .7fr 1.3fr;
    gap: 28px;
    align-items: center;
    margin: 24px 0;
    padding: 26px 30px;
    border: 1px solid var(--v12-line);
    border-radius: 24px;
    background: var(--v12-panel);
}

.learning-rhythm-heading h2 {
    margin: 6px 0 0;
    font-size: 28px;
}

.learning-rhythm-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.learning-rhythm-grid > div {
    display: grid;
    grid-template-columns: 34px 1fr;
    padding: 14px;
    border-radius: 15px;
    background: #0a1423;
}

.learning-rhythm-grid b {
    grid-row: 1 / 3;
    display: grid;
    width: 26px;
    height: 26px;
    place-items: center;
    border-radius: 50%;
    background: rgba(95, 140, 255, .16);
    color: #a9c1ff;
    font-size: 11px;
}

.learning-rhythm-grid strong {
    font-size: 13px;
}

.learning-rhythm-grid span {
    margin-top: 2px;
    color: #8393aa;
    font-size: 11px;
}

.v12-chapter-list {
    display: grid;
    gap: 22px;
}

.v12-chapter {
    display: grid;
    grid-template-columns: 300px minmax(230px, .7fr) minmax(340px, 1.3fr);
    min-height: 310px;
    overflow: hidden;
    border: 1px solid var(--v12-line);
    border-radius: 28px;
    background: var(--v12-panel);
}

.v12-chapter-image {
    position: relative;
    min-height: 300px;
    overflow: hidden;
    background: #08111f;
}

.v12-chapter-image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(5, 11, 21, .85), transparent 65%);
}

.v12-chapter-image img {
    width: 100%;
    height: 100%;
    min-height: 300px;
    object-fit: cover;
}

.v12-chapter-image span {
    position: absolute;
    z-index: 1;
    left: 22px;
    bottom: 20px;
    color: #fff;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .15em;
    text-transform: uppercase;
}

.v12-chapter-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 30px;
    border-right: 1px solid var(--v12-line);
}

.v12-chapter-copy h2 {
    margin: 8px 0;
    font-size: 32px;
    line-height: 1.05;
}

.v12-chapter-copy p {
    color: var(--v12-muted);
}

.chapter-simple-progress {
    height: 7px;
    margin-top: 14px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, .07);
}

.chapter-simple-progress i {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--v12-blue), var(--v12-green));
}

.v12-step-list {
    display: grid;
    align-content: center;
    gap: 10px;
    padding: 22px;
}

.v12-step-card {
    display: grid;
    grid-template-columns: 46px 1fr auto;
    gap: 14px;
    align-items: center;
    padding: 16px;
    border: 1px solid transparent;
    border-radius: 16px;
    background: rgba(7, 16, 31, .72);
    color: var(--v12-text);
    text-decoration: none;
    transition: border-color .2s ease, transform .2s ease, background .2s ease;
}

a.v12-step-card:hover {
    transform: translateY(-2px);
    border-color: rgba(95, 140, 255, .45);
    background: #101e33;
}

.v12-step-card.is-locked {
    opacity: .55;
}

.v12-step-number {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border: 1px solid var(--v12-line);
    border-radius: 12px;
    color: #9bb8ff;
    font-size: 11px;
    font-weight: 900;
}

.v12-step-card strong,
.v12-step-card small {
    display: block;
}

.v12-step-card small {
    margin-top: 4px;
    color: #8494ac;
    font-size: 11px;
}

.v12-step-card em {
    padding: 6px 9px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .06);
    color: #a9b7ca;
    font-size: 10px;
    font-style: normal;
    font-weight: 800;
}

.v12-step-card .state-completed {
    background: rgba(80, 223, 145, .12);
    color: #7df0ad;
}

.v12-step-card .state-in_progress {
    background: rgba(95, 140, 255, .15);
    color: #a9c0ff;
}

.learning-promise {
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 22px;
    align-items: center;
    margin-top: 24px;
    padding: 28px;
    border: 1px solid rgba(80, 223, 145, .25);
    border-radius: 24px;
    background: rgba(80, 223, 145, .06);
}

.learning-promise-mark {
    display: grid;
    width: 60px;
    height: 60px;
    place-items: center;
    border-radius: 18px;
    background: var(--v12-green);
    color: #06130d;
    font-size: 30px;
    font-weight: 950;
}

.learning-promise h2 {
    margin: 5px 0;
}

.learning-promise p {
    margin: 0;
    color: var(--v12-muted);
}

.v12-lesson-nav {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 14px;
    color: #8fa0b8;
    font-size: 12px;
}

.v12-lesson-nav a {
    color: #a9c0ff;
    font-weight: 800;
    text-decoration: none;
}

.v12-lesson-hero {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    min-height: 390px;
    overflow: hidden;
    border: 1px solid var(--v12-line);
    border-radius: 30px;
    background: linear-gradient(135deg, #101e37, #091320);
}

.v12-lesson-heading {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(30px, 6vw, 70px);
}

.v12-lesson-heading h1 {
    margin: 9px 0 15px;
    font-size: clamp(45px, 6vw, 78px);
    line-height: .96;
    letter-spacing: -.06em;
}

.v12-lesson-heading > p {
    max-width: 680px;
    color: #c2cee0;
    font-size: 18px;
}

.lesson-tool-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.lesson-tool {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border: 1px solid var(--v12-line);
    border-radius: 999px;
    background: rgba(7, 16, 31, .72);
    color: #e7eef9;
    font-weight: 800;
    cursor: pointer;
}

.lesson-tool-row > span {
    color: #7f90a8;
    font-size: 11px;
}

.v12-step-illustration {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 390px;
    margin: 0;
    padding: 30px;
    overflow: hidden;
    border-left: 1px solid var(--v12-line);
    background:
        radial-gradient(circle at 50% 44%, rgba(95, 140, 255, .22), transparent 36%),
        linear-gradient(160deg, #0c1a31, #07101d);
}

.v12-step-illustration::before,
.v12-step-illustration::after {
    content: "";
    position: absolute;
    width: 240px;
    height: 240px;
    border: 1px solid rgba(121, 162, 255, .2);
    border-radius: 50%;
    right: -70px;
    top: -70px;
    box-shadow: 0 0 0 48px rgba(121, 162, 255, .025), 0 0 0 96px rgba(121, 162, 255, .02);
}

.v12-step-illustration::after {
    width: 110px;
    height: 110px;
    top: auto;
    right: auto;
    bottom: -42px;
    left: -32px;
    border-color: rgba(80, 223, 145, .22);
    box-shadow: 0 0 0 36px rgba(80, 223, 145, .03);
}

.v12-step-illustration figcaption {
    position: relative;
    z-index: 2;
}

.v12-step-illustration figcaption span,
.v12-step-illustration figcaption strong {
    display: block;
}

.v12-step-illustration figcaption span {
    color: var(--v12-green);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.v12-step-illustration figcaption strong {
    margin-top: 4px;
    font-size: 22px;
}

.illustration-canvas {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    align-items: center;
    min-height: 220px;
}

.illustration-canvas::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, var(--v12-blue), var(--v12-green), var(--v12-gold));
}

.illustration-canvas i {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 95px;
    height: 95px;
    transform: translate(-50%, -50%) rotate(45deg);
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 24px;
    background: rgba(7, 16, 31, .8);
}

.illustration-canvas b {
    position: relative;
    z-index: 2;
    display: grid;
    min-height: 82px;
    padding: 12px;
    place-items: center;
    border: 1px solid rgba(155, 184, 255, .3);
    border-radius: 20px;
    background: rgba(9, 20, 37, .9);
    box-shadow: 0 20px 35px rgba(0, 0, 0, .22);
    color: #eaf0fa;
    text-align: center;
    font-size: 12px;
}

.illustration-target .illustration-canvas b { border-radius: 50%; }
.illustration-chat .illustration-canvas b { border-radius: 20px 20px 20px 5px; }
.illustration-search .illustration-canvas b:nth-of-type(2) { transform: scale(1.14); }
.illustration-bridge .illustration-canvas::before { height: 8px; border-radius: 99px; }
.illustration-calm .illustration-canvas i { border-radius: 50%; animation: v12-calm 4s ease-in-out infinite; }
.illustration-path .illustration-canvas b { transform: translateY(var(--path-y, 0)); }
.illustration-path .illustration-canvas b:nth-of-type(1) { --path-y: 25px; }
.illustration-path .illustration-canvas b:nth-of-type(3) { --path-y: -25px; }
.illustration-megaphone .illustration-canvas b:nth-of-type(1) { transform: rotate(-4deg); }
.illustration-megaphone .illustration-canvas b:nth-of-type(3) { transform: rotate(4deg); }
.illustration-handover .illustration-canvas b:nth-of-type(2) { border-color: var(--v12-green); }
.illustration-team .illustration-canvas b { border-radius: 50% 50% 20px 20px; }
.illustration-calendar .illustration-canvas b { border-top: 5px solid var(--v12-blue); }

@keyframes v12-calm {
    50% { transform: translate(-50%, -50%) rotate(225deg) scale(.86); }
}

.selected-offer-note {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 16px;
    align-items: center;
    margin: 16px 0;
    padding: 15px 18px;
    border: 1px solid rgba(80, 223, 145, .22);
    border-radius: 16px;
    background: rgba(80, 223, 145, .06);
}

.selected-offer-note > span {
    color: var(--v12-green);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.selected-offer-note p {
    margin: 0;
    color: #b8c6d9;
    font-size: 13px;
}

.selected-offer-note a {
    color: #a9c0ff;
    font-size: 12px;
    font-weight: 850;
}

.v12-lesson-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 370px;
    gap: 22px;
    margin-top: 20px;
}

.v12-lesson-article {
    min-width: 0;
    padding: clamp(24px, 5vw, 58px);
    border: 1px solid var(--v12-line);
    border-radius: 28px;
    background: #0b1524;
}

.easy-section {
    padding: 34px 0;
    border-bottom: 1px solid var(--v12-line);
}

.easy-section:first-child {
    padding-top: 0;
}

.easy-label {
    color: var(--v12-green);
    font-size: 10px;
    font-weight: 950;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.easy-section h2,
.field-task h2 {
    margin: 8px 0 14px;
    font-size: clamp(27px, 4vw, 40px);
    line-height: 1.08;
    letter-spacing: -.035em;
}

.easy-section > p,
.easy-section li,
.field-task p {
    color: #bfcbdb;
    font-size: 16px;
    line-height: 1.75;
}

.easy-checks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}

.easy-checks li {
    position: relative;
    min-height: 110px;
    padding: 18px 18px 18px 48px;
    border: 1px solid var(--v12-line);
    border-radius: 18px;
    background: var(--v12-panel-soft);
}

.easy-checks li::before {
    content: "✓";
    position: absolute;
    top: 18px;
    left: 17px;
    display: grid;
    width: 22px;
    height: 22px;
    place-items: center;
    border-radius: 50%;
    background: rgba(80, 223, 145, .15);
    color: var(--v12-green);
    font-size: 11px;
    font-weight: 950;
}

.easy-steps {
    display: grid;
    gap: 10px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.easy-steps li {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 15px;
    align-items: start;
    padding: 18px;
    border: 1px solid var(--v12-line);
    border-radius: 17px;
    background: #0e1b2d;
}

.easy-steps li > span {
    display: grid;
    width: 36px;
    height: 36px;
    place-items: center;
    border-radius: 11px;
    background: rgba(95, 140, 255, .14);
    color: #a9c0ff;
    font-weight: 900;
}

.easy-steps strong {
    display: block;
    color: #f2f6fd;
    font-size: 16px;
}

.easy-steps p {
    margin: 3px 0 0;
    color: #9faec3;
    font-size: 14px;
    line-height: 1.6;
}

.script-workbench {
    position: relative;
}

.script-workbench blockquote {
    margin: 18px 0 12px;
    padding: 24px;
    border: 1px solid rgba(95, 140, 255, .28);
    border-left: 4px solid var(--v12-blue);
    border-radius: 0 18px 18px 0;
    background: #101f35;
    color: #edf3fc;
    font-size: 17px;
    line-height: 1.7;
}

.copy-script-button {
    padding: 10px 15px;
    border: 1px solid rgba(95, 140, 255, .35);
    border-radius: 999px;
    background: rgba(95, 140, 255, .13);
    color: #c5d5ff;
    font-weight: 850;
    cursor: pointer;
}

.script-note {
    margin: 10px 0 0;
    color: #8292a9 !important;
    font-size: 12px !important;
}

.example-card {
    margin-top: 30px;
    padding: 28px;
    border: 1px solid rgba(243, 201, 108, .25);
    border-radius: 22px;
    background: rgba(243, 201, 108, .055);
}

.mistakes-card ul {
    display: grid;
    gap: 9px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.mistakes-card li {
    position: relative;
    padding: 12px 14px 12px 42px;
    border-radius: 12px;
    background: rgba(255, 111, 139, .07);
}

.mistakes-card li::before {
    content: "×";
    position: absolute;
    left: 15px;
    color: #ff8fa6;
    font-size: 19px;
    font-weight: 950;
}

.plain-language-tip,
.book-idea {
    margin: 24px 0 0;
    padding: 22px;
    border-radius: 18px;
}

.plain-language-tip {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    align-items: center;
    background: linear-gradient(135deg, rgba(80, 223, 145, .12), rgba(95, 140, 255, .09));
}

.plain-language-tip span,
.book-idea span {
    color: var(--v12-green);
    font-size: 10px;
    font-weight: 950;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.book-idea {
    border-left: 3px solid var(--v12-violet);
    background: rgba(167, 136, 255, .07);
}

.book-idea p {
    margin: 7px 0 0;
    color: #b8c5d8;
    font-style: italic;
}

.field-task {
    margin-top: 34px;
    padding: 28px;
    border: 1px solid rgba(80, 223, 145, .3);
    border-radius: 22px;
    background: rgba(80, 223, 145, .07);
}

.field-task-rule {
    margin-top: 16px;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(7, 16, 31, .5);
    color: #aebdd1;
    font-size: 13px;
}

.simple-words {
    margin-top: 22px;
    border: 1px solid var(--v12-line);
    border-radius: 17px;
    background: #0d192a;
}

.simple-words summary {
    padding: 17px 19px;
    color: #dce5f2;
    font-weight: 850;
    cursor: pointer;
}

.simple-words dl {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0 19px 19px;
}

.simple-words dl > div {
    padding: 13px 0;
    border-top: 1px solid var(--v12-line);
}

.simple-words dt {
    color: #a9c0ff;
    font-weight: 850;
}

.simple-words dd {
    margin: 4px 0 0;
    color: #9aa9be;
    font-size: 13px;
}

.lesson-bottom-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    margin-top: 26px;
}

.lesson-bottom-nav > a:not(.button) {
    color: #a9c0ff;
    font-size: 13px;
    font-weight: 850;
    text-decoration: none;
}

.v12-lesson-sidebar {
    align-self: start;
    position: sticky;
    top: 105px;
    display: grid;
    gap: 14px;
}

.step-status-card,
.v12-quiz-card {
    padding: 24px;
    border: 1px solid var(--v12-line);
    border-radius: 22px;
    background: var(--v12-panel);
}

.step-status-card h2,
.v12-quiz-card h2 {
    margin: 7px 0;
    font-size: 25px;
}

.step-status-card p {
    color: #98a8be;
    font-size: 13px;
}

.step-status-line {
    height: 7px;
    margin-top: 16px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, .07);
}

.step-status-line i {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--v12-blue), var(--v12-green));
}

.v12-question {
    min-width: 0;
    margin: 0;
    padding: 19px 0;
    border: 0;
    border-bottom: 1px solid var(--v12-line);
}

.v12-question legend {
    width: 100%;
    margin-bottom: 12px;
    color: #f1f5fc;
    font-size: 14px;
    font-weight: 850;
    line-height: 1.45;
}

.v12-question label {
    display: grid;
    grid-template-columns: 20px 1fr;
    gap: 9px;
    align-items: start;
    margin: 7px 0;
    padding: 9px;
    border: 1px solid transparent;
    border-radius: 10px;
    color: #aab8ca;
    font-size: 12px;
    cursor: pointer;
}

.v12-question label:hover {
    border-color: var(--v12-line);
    background: rgba(255, 255, 255, .025);
}

.v12-question input {
    margin: 2px 0 0;
    accent-color: var(--v12-green);
}

.v12-task-answer {
    display: grid;
    gap: 7px;
    margin-top: 20px;
}

.v12-task-answer small {
    color: #7f8fa7;
    font-size: 11px;
}

.v12-task-answer textarea {
    min-height: 155px;
    resize: vertical;
    padding: 13px;
    border: 1px solid var(--v12-line);
    border-radius: 12px;
    background: #08111f;
    color: #fff;
    font: inherit;
}

.v12-submit-step {
    width: 100%;
    justify-content: center;
    margin-top: 14px;
}

.v12-score {
    margin: 12px 0 0;
    color: var(--v12-green);
    text-align: center;
    font-size: 12px;
    font-weight: 850;
}

.copy-toast {
    position: fixed;
    z-index: 120;
    right: 24px;
    bottom: 24px;
    padding: 12px 16px;
    border: 1px solid rgba(80, 223, 145, .35);
    border-radius: 12px;
    background: #0e2c20;
    color: #c9f7dc;
    font-size: 13px;
    font-weight: 800;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
}

.copy-toast.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1220px) {
    .v12-chapter {
        grid-template-columns: 260px 1fr;
    }
    .v12-step-list {
        grid-column: 1 / -1;
        grid-template-columns: repeat(3, 1fr);
        border-top: 1px solid var(--v12-line);
    }
    .v12-chapter-copy {
        border-right: 0;
    }
}

@media (max-width: 980px) {
    .v12-learning-hero {
        grid-template-columns: 1fr;
    }
    .v12-progress-orb {
        justify-content: start;
    }
    .v12-progress-orb > div {
        width: 150px;
    }
    .v12-progress-orb strong {
        font-size: 38px;
    }
    .learning-rhythm {
        grid-template-columns: 1fr;
    }
    .v12-lesson-hero,
    .v12-lesson-grid {
        grid-template-columns: 1fr;
    }
    .v12-step-illustration {
        min-height: 330px;
        border-top: 1px solid var(--v12-line);
        border-left: 0;
    }
    .v12-lesson-sidebar {
        position: static;
    }
}

@media (max-width: 760px) {
    .v12-learning-hero {
        padding: 28px;
        border-radius: 24px;
    }
    .v12-learning-hero h1 {
        font-size: 50px;
    }
    .learning-rhythm {
        padding: 22px;
    }
    .learning-rhythm-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .v12-chapter {
        grid-template-columns: 1fr;
    }
    .v12-chapter-image {
        min-height: 230px;
    }
    .v12-chapter-image img {
        min-height: 230px;
    }
    .v12-chapter-copy {
        border-bottom: 1px solid var(--v12-line);
    }
    .v12-step-list {
        grid-column: auto;
        grid-template-columns: 1fr;
    }
    .v12-lesson-nav {
        flex-wrap: wrap;
    }
    .v12-lesson-heading {
        padding: 28px;
    }
    .v12-lesson-heading h1 {
        font-size: 48px;
    }
    .selected-offer-note {
        grid-template-columns: 1fr;
    }
    .easy-checks {
        grid-template-columns: 1fr;
    }
    .easy-checks li {
        min-height: 0;
    }
    .v12-lesson-article {
        padding: 23px;
        border-radius: 22px;
    }
}

@media (max-width: 520px) {
    .learning-rhythm-grid {
        grid-template-columns: 1fr;
    }
    .v12-step-card {
        grid-template-columns: 42px 1fr;
    }
    .v12-step-card em {
        grid-column: 2;
        justify-self: start;
    }
    .v12-step-illustration {
        padding: 22px;
    }
    .illustration-canvas {
        gap: 7px;
    }
    .illustration-canvas b {
        min-height: 72px;
        padding: 7px;
        font-size: 10px;
    }
    .plain-language-tip {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .illustration-calm .illustration-canvas i {
        animation: none;
    }
    .v12-step-card,
    .copy-toast {
        transition: none;
    }
}
