:root {
    --ink: #14303A;
    --moss: #2E6B5C;
    --mint: #DCEBE6;
    --bg: #F3F7F7;
    --amber: #E39B2D;
    --line: #CBDAD8;
    --mut: #5B7178;
    --w: #FFFFFF;

    --color-primary: var(--moss);
    --color-text: var(--ink);
    --color-bg: var(--bg);
    --color-accent: var(--amber);
    --color-border: var(--line);
    --color-muted: var(--mut);
    --color-surface: var(--w);
}

* {
    box-sizing: border-box;
    margin: 0;
}

body {
    font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--ink);
    background: var(--bg);
}

h1, h2, h3 {
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1.2;
    font-weight: 700;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.4rem);
}

h2 {
    font-size: 1.7rem;
    margin-bottom: 14px;
}

h3 {
    font-size: 1.15rem;
    margin-bottom: 6px;
}

a {
    color: inherit;
    text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 3px solid var(--amber);
    outline-offset: 2px;
}

.wrap,
.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
}


.btn {
    display: inline-block;
    border: 0;
    border-radius: 8px;
    padding: 12px 22px;
    font: 600 1rem system-ui;
    background: var(--amber);
    color: var(--ink);
    cursor: pointer;
}

.btn-primary {
    background: var(--amber);
    color: var(--ink);
}

.btn-secondary {
    background: transparent;
    border: 2px solid currentColor;
}

.card {
    background: var(--w);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 22px;
}

.card p {
    color: var(--mut);
}

.grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(
        auto-fit,
        minmax(240px, 1fr)
    );
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--ink);
}

input,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px;
    font: inherit;
    margin: 6px 0 12px;
}

textarea {
    resize: vertical;
}

.field-error {
    color: #C62828;
    font-size: 0.875rem;
    margin-top: 4px;
    margin-bottom: 10px;
}


.alert-success {
    background: var(--mint);
    color: var(--moss);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
}

.btn.alt {
    background: transparent;
    border: 2px solid currentColor;
}

.btn.sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.registration-form {
    max-width: 480px;
    margin: 40px auto;
    padding: 24px;
    background: var(--w);
    border: 1px solid var(--line);
    border-radius: 12px;
}

.registration-form .field-error {
    display: block;
}

.agreement-label {
    display: block;
    font-weight: 400;
}

.agreement-label input[type="checkbox"] {
    width: auto;
    margin: 0 8px 0 0;
}

.registration-form > p {
    margin-top: 16px;
}

.site-header {
    position: relative;
    background: var(--w);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-top: 16px;
    padding-bottom: 16px;
}

.site-logo {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--moss);
    white-space: nowrap;
}

.site-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.site-nav a {
    font-size: 14px;
    font-weight: 600;
}

.site-nav a:hover {
    color: var(--moss);
}


.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.header-actions form {
    margin: 0;
}

.header-actions .btn {
    white-space: nowrap;
    padding: 10px 16px;
    font-size: 14px;
}

.header-cabinet {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.header-cabinet:hover {
    color: var(--moss);
}


.site-header__menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.menu-toggle {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.burger {
    display: none;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: var(--w);
    color: var(--ink);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
}

.menu-toggle:focus-visible + .burger {
    outline: 3px solid var(--moss);
    outline-offset: 2px;
}

@media (max-width: 1350px) {
    .burger {
        display: inline-flex;
    }

    .site-header__menu {
        display: none;
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        z-index: 50;
        background: var(--w);
        border-bottom: 1px solid var(--line);
        padding: 16px 24px 24px;
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
        box-shadow: 0 12px 30px rgba(20, 48, 58, .14);
    }

    .menu-toggle:checked ~ .site-header__menu {
        display: flex;
    }

    .site-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }

    .site-nav a {
        padding: 12px 0;
        font-size: 17px;
        border-bottom: 1px solid var(--line);
    }

    .header-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .header-actions .btn,
    .header-actions form button {
        width: 100%;
        text-align: center;
    }
}


.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--moss);
    text-decoration: none;
}

.logo:hover {
    color: var(--moss);
}

.logo__text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo__brain {
    font-weight: 800;
    font-size: 20px;
}

.logo__ecology {
    font-weight: 600;
    font-size: 13px;
    letter-spacing: .06em;
    color: var(--ink);
}


.site-footer {
    border-top: 1px solid var(--line);
    padding: 56px 0;
}

.site-footer__inner {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: space-between;
}

.site-footer__brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 300px;
    color: var(--mut);
}

.site-footer__brand p {
    margin: 0;
}

.site-footer__col {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 15px;
}

.site-footer__col b {
    margin-bottom: 4px;
    color: var(--ink);
}

.site-footer__col a {
    color: var(--ink);
    text-decoration: none;
}

.site-footer__col a:hover {
    color: var(--moss);
}
.auth {
    min-height: 100vh;
    display: flex;
    flex-wrap: wrap;
}

.auth__brand {
    flex: 1 1 440px;
    background: var(--moss);
    color: var(--w);
    padding: 48px 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 40px;
}

.auth__brand h1 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.auth__brand p {
    color: var(--mint);
    font-size: 18px;
}

.auth__promo {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 500px;
}

.auth__perks {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0;
    list-style: none;
}

.auth__perks li::before {
    content: "✓";
    margin-right: 10px;
    font-weight: 700;
    color: var(--amber);
}

.auth__slogan {
    font-size: 14px;
    color: var(--mint);
}

.auth__form-wrap {
    flex: 1 1 440px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 20px;
    background: var(--bg);
}

.auth__card {
    width: 100%;
    max-width: 440px;
    background: var(--w);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.logo {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 24px;
    font-weight: 700;
}

.logo--light {
    color: var(--w);
}

.tabs {
    display: flex;
    gap: 6px;
    background: var(--bg);
    padding: 6px;
    border-radius: 8px;
}

.tabs__btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border-radius: 8px;
    color: var(--mut);
    font-weight: 600;
}

.tabs__btn[aria-selected="true"],
.tabs__btn[aria-current="page"] {
    background: var(--w);
    color: var(--ink);
    box-shadow: 0 2px 8px rgba(20, 48, 58, 0.08);
}

.tab-panel {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.tab-panel h2 {
    margin-bottom: 0;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 0;
    font-size: 14px;
}

.input {
    margin: 0;
    min-height: 48px;
}

.input:focus {
    border-color: var(--moss);
}

.forgot {
    align-self: flex-end;
    font-size: 14px;
    font-weight: 600;
    color: var(--moss);
}

.btn--primary {
    background: var(--amber);
    color: var(--ink);
}

.btn--block {
    display: block;
    width: 100%;
    text-align: center;
}

.alert {
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
}

.alert--success {
    background: var(--mint);
    color: var(--moss);
    border: 1px solid var(--line);
}

.alert--error {
    background: #FDECEA;
    color: #C62828;
    border: 1px solid #F5C2C0;
}

.tab-panel p {
    color: var(--mut);
}

.back-link {
    align-self: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--moss);
}

.section {
    padding: 48px 0;
}

.section h1 {
    margin-bottom: 24px;
}

.contact-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

textarea.input {
    min-height: 120px;
}

.hero {
    padding: 16px 16px 0;
}

.hero__panel {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--moss);
    color: var(--w);
    border-radius: 24px;
    padding: 64px 24px 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
}

.hero__chip {
    background: rgba(255, 255, 255, 0.16);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
}

.hero__title {
    font-size: clamp(2.2rem, 6vw, 4.5rem);
    max-width: 1000px;
}

.hero__lead {
    font-size: 18px;
    color: var(--mint);
    max-width: 660px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
    width: 100%;
    max-width: 820px;
    margin-top: 16px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero__stats div {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero__stats b {
    font-size: 30px;
}

.hero__stats span {
    font-size: 14px;
    color: var(--mint);
}

.section--soft {
    background: var(--w);
}

.section__head {
    max-width: 760px;
    margin-bottom: 32px;
}

.eyebrow {
    display: block;
    margin-bottom: 12px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--moss);
}

.h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin-bottom: 0;
}

.lead {
    font-size: 18px;
    color: var(--mut);
}

.split {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.split__head {
    flex: 1 1 320px;
}

.split__body {
    flex: 2 1 520px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.grid--3 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
}

.tile {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 20px;
    border-radius: 12px;
    background: var(--w);
    border: 1px solid var(--line);
}

.tile span {
    font-size: 15px;
    color: var(--mut);
}

.feature {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 28px;
}

.feature h3 {
    font-size: 22px;
    margin-bottom: 0;
}

.feature__icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dot--blue {
    background: var(--mint);
    color: var(--moss);
}

.dot--mint {
    background: #E6F4EA;
    color: #2E7D4F;
}

.dot--sun {
    background: #FCEBD0;
    color: #9A5B00;
}


.section__head--row {
    max-width: none;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
}

.muted {
    color: var(--mut);
}

.grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 760px) {
    .grid--2 {
        grid-template-columns: minmax(0, 1fr);
    }
}

.course-card {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-height: 360px;
    padding: 32px 28px;
    border-radius: 24px;
    border: 1px solid var(--line);
}

.course-card--blue {
    background: var(--mint);
}

.course-card--mint {
    background: #FCEBD0;
}

.course-card__title {
    display: block;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    line-height: 1.15;
    font-weight: 700;
}

.course-card__text {
    display: block;
    margin-top: 8px;
    font-size: 17px;
    color: var(--mut);
}

.course-card__foot {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.course-card__price {
    font-size: 22px;
    font-weight: 700;
}

.course-card__btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: var(--w);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
}

.round-arrow {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--ink);
    color: var(--w);
    display: flex;
    align-items: center;
    justify-content: center;
}

.steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

@media (max-width: 900px) {
    .steps {
        grid-template-columns: minmax(0, 1fr);
    }
}

.step {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-height: 220px;
    padding: 24px;
    border-radius: 16px;
    background: var(--w);
    border: 1px solid var(--line);
}

.step__num {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 52px;
    font-weight: 700;
    line-height: 1;
    color: var(--moss);
    margin-bottom: auto;
    padding-bottom: 24px;
}

.step b {
    font-size: 18px;
}

.step span:last-child {
    font-size: 15px;
    color: var(--mut);
}

.step--dark {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--w);
}

.step--dark .step__num {
    color: var(--amber);
}

.step--dark span:last-child {
    color: var(--mint);
}

@media (max-width: 900px) {
    .step {
        min-height: 0;
    }

    .step__num {
        padding-bottom: 12px;
    }
}

.expert {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.expert__photo {
    flex: 1 1 320px;
    position: relative;
    min-height: 460px;
    border-radius: 24px;
    overflow: hidden;
    background: var(--mint);
}

.expert__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.expert__caption {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 16px;
    background: rgba(20, 48, 58, 0.85);
    color: var(--w);
    border-radius: 16px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.expert__caption b {
    font-size: 20px;
}

.expert__caption span {
    font-size: 15px;
    color: var(--mint);
}

.expert__info {
    flex: 1.3 1 420px;
    border-radius: 24px;
    background: var(--w);
    border: 1px solid var(--line);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
}

.expert__info .grid {
    width: 100%;
}

.tile .big {
    font-size: 26px;
}

.result {
    min-height: 150px;
    padding: 24px;
    border-radius: 16px;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.45;
    border: 1px solid var(--line);
}

.result--blue {
    background: var(--mint);
}

.result--mint {
    background: #E6F4EA;
}

.result--sun {
    background: #FCEBD0;
}

.note {
    margin-top: 20px;
    font-size: 14px;
    color: var(--mut);
}

.corp {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
    background: var(--ink);
    color: var(--w);
    border-radius: 24px;
    padding: 48px 28px;
}

.corp__text {
    flex: 1.2 1 400px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.corp__text p {
    font-size: 18px;
    color: var(--mint);
}

.eyebrow--light {
    color: var(--amber);
}

.corp__list {
    flex: 1 1 300px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.corp__list span {
    padding: 16px 20px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
}

.corp__list .btn {
    margin-top: 8px;
}

html {
    scroll-padding-top: 90px;
}

.cab {
    display: flex;
    min-height: 100vh;
    background: var(--bg);
}

.cab-toggle {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.cab-side {
    width: 280px;
    flex: none;
    background: var(--w);
    border-right: 1px solid var(--line);
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.cab-side .logo {
    padding: 0 10px;
}

.cab-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cab-nav a,
.cab-side__exit {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 44px;
    padding: 0 14px;
    border-radius: 12px;
    color: var(--ink);
    font-weight: 500;
    font-size: 15px;
    text-decoration: none;
}

.cab-nav a:hover,
.cab-side__exit:hover {
    background: var(--bg);
}

.cab-nav a.is-active {
    background: var(--mint);
    color: var(--moss);
    font-weight: 700;
}

.cab-side__logout {
    margin-top: auto;
}

.cab-side__exit {
    width: 100%;
    border: 0;
    background: none;
    font-family: inherit;
    color: var(--mut);
    cursor: pointer;
}

.cab-main {
    flex: 1;
    min-width: 0;
    max-width: 1280px;
    padding: clamp(20px, 3vw, 40px);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.cab-top {
    display: flex;
    align-items: center;
    gap: 12px;
}

.cab-top h1 {
    font-size: clamp(26px, 3vw, 34px);
}

.cab-burger {
    display: none;
    width: 48px;
    height: 48px;
    flex: none;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: var(--w);
    color: var(--ink);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.cab-overlay {
    display: none;
}

@media (max-width: 960px) {
    .cab-side {
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 60;
        width: min(300px, 86vw);
        transform: translateX(-100%);
        transition: transform .25s;
        box-shadow: 0 12px 30px rgba(20, 48, 58, .14);
    }

    .cab-toggle:checked ~ .cab-side {
        transform: none;
    }

    .cab-toggle:checked ~ .cab-overlay {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 50;
        background: rgba(20, 48, 58, .3);
    }

    .cab-burger {
        display: inline-flex;
    }
}

.crumbs {
    padding: 28px 0 24px;
    font-size: 14px;
    color: var(--mut);
}

.crumbs a {
    color: var(--mut);
}

.course-hero {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    align-items: stretch;
}

.course-hero__main {
    flex: 1.6 1 520px;
    display: flex;
    flex-direction: column;
    gap: 22px;
    padding: clamp(28px, 4vw, 52px);
    border-radius: 28px;
}

.course-hero__main h1 {
    font-size: clamp(2rem, 4.6vw, 3.2rem);
    line-height: 1.1;
}

.facts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-top: auto;
}

.fact {
    background: var(--w);
    border-radius: 18px;
    padding: 16px;
}

.fact span {
    display: block;
    font-size: 13px;
    color: var(--mut);
}

.fact b {
    display: block;
    margin-top: 4px;
}

.buy-card {
    flex: 1 1 320px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 28px;
}

.buy-card__cover {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 20px;
    background: var(--moss);
    color: var(--mint);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.audience {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
    gap: 16px;
}

.audience div {
    background: var(--mint);
    border-radius: 20px;
    padding: 24px;
}

.audience b {
    display: block;
    margin-bottom: 8px;
    font-size: 32px;
    color: var(--moss);
}

.course-subtitle {
    margin: 40px 0 16px;
    font-size: 20px;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chip {
    background: var(--w);
    border: 1px solid var(--line);
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
}

.checklist {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 0;
    padding: 0;
}

.checklist li {
    list-style: none;
    padding: 20px 24px;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 20px;
}

.active-course {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.active-course h2 {
    margin: 0;
}

.active-course__hint {
    margin: 0;
    color: var(--mut);
}

.active-course__title {
    margin: 8px 0 0;
    font-size: 22px;
}

.active-course__module,
.active-course__percent {
    margin: 0;
    font-weight: 600;
    color: var(--moss);
}

.big-bar {
    height: 12px;
    background: var(--mint);
    border-radius: 999px;
    overflow: hidden;
}

.big-bar__fill {
    height: 100%;
    background: var(--moss);
    border-radius: 999px;
}

.active-course .btn {
    align-self: flex-start;
}

.my-courses {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.my-course {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.my-course h2 {
    margin: 0;
    font-size: 20px;
}

.my-course__meta {
    margin: 0;
    color: var(--mut);
}

.my-course .btn {
    align-self: flex-start;
    margin-top: auto;
}

.toc {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.toc__group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.toc__mod {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--ink);
    text-decoration: none;
    background: transparent;
}

.toc__mod.is-current {
    background: var(--mint);
    color: var(--moss);
}

.toc__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg);
    color: var(--ink);
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.toc__mod.is-done .toc__num {
    background: var(--moss);
    color: var(--w);
}

.toc__mod.is-current .toc__num {
    background: var(--moss);
    color: var(--w);
}

.toc__lessons {
    list-style: none;
    padding: 0;
    margin: 0 0 0 14px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    border-left: 2px solid var(--line);
}

.toc__lesson {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px 6px 14px;
    font-size: 14px;
    color: var(--mut);
    text-decoration: none;
    position: relative;
    border-radius: 6px;
}

.toc__lesson:hover {
    color: var(--ink);
    background: var(--bg);
}

.toc__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--line);
    flex-shrink: 0;
    transition: background-color 0.2s;
}

.toc__lesson.is-done .toc__dot {
    background: var(--moss);
}

.toc__lesson.is-done {
    color: var(--ink);
}

.toc__lesson.is-current {
    font-weight: 600;
    color: var(--ink);
    background: var(--w);
}

.toc__lesson.is-current .toc__dot {
    background: var(--amber);
    box-shadow: 0 0 0 3px rgba(227, 155, 45, 0.25);
}

.lesson-page {
    padding-top: 24px;
}

.lesson-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 24px;
    align-items: start;
}

.lesson-sidebar {
    padding: 24px;
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
}

.lesson-back {
    display: inline-block;
    margin-bottom: 16px;
    font-size: 14px;
}

.lesson-main {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.lesson-header .h2 {
    margin-top: 8px;
    margin-bottom: 0;
}

.lesson-video {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    background: #000;
}

.lesson-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.lesson-text {
    font-size: 17px;
    line-height: 1.7;
    color: var(--ink);
}

.lesson-text p {
    margin-bottom: 14px;
}

.lesson-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    border-top: 1px solid var(--line);
    padding-top: 24px;
    margin-top: 12px;
}

.lesson-next-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.lesson-completed-box {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.lesson-completed-msg {
    font-weight: 700;
    color: var(--moss);
    font-size: 16px;
}

@media (max-width: 900px) {
    .lesson-layout {
        grid-template-columns: 1fr;
    }

    .lesson-sidebar {
        position: static;
        max-height: none;
    }
}


.toc-check {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.lesson-bar {
    position: sticky;
    top: 0;
    z-index: 40;
    background: var(--w);
    border-bottom: 1px solid var(--line);
}

.lesson-bar__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 24px;
    max-width: 1440px;
    margin: 0 auto;
    padding: 12px clamp(16px, 3vw, 32px);
}

.lesson-bar__back {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    font-weight: 600;
}

.lesson-bar__back:hover {
    color: var(--moss);
}

.lesson-bar__sep {
    width: 1px;
    height: 28px;
    background: var(--line);
}

.lesson-bar__title {
    flex: 1 1 260px;
    font-weight: 700;
}

.lesson-bar__progress {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 0 1 280px;
    font-size: 14px;
    font-weight: 600;
    color: var(--mut);
}

.bar {
    flex: 1;
    height: 8px;
    background: var(--mint);
    border-radius: 999px;
    overflow: hidden;
}

.bar i {
    display: block;
    height: 100%;
    background: var(--moss);
    border-radius: 999px;
}

.toc-toggle {
    display: none;
    margin: 0;
    cursor: pointer;
}

.learn {
    max-width: 1440px;
    margin: 0 auto;
    padding: 24px clamp(16px, 3vw, 32px) 64px;
}

.learn .lesson-sidebar {
    top: 92px;
    max-height: calc(100vh - 116px);
}

.toc__label {
    padding: 0 10px 12px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--mut);
}

@media (max-width: 900px) {
    .toc-toggle {
        display: inline-flex;
    }

    .learn .lesson-sidebar {
        display: none;
    }

    .toc-check:checked ~ .learn .lesson-sidebar {
        display: block;
    }
}


.goal {
    display: flex;
    gap: 12px;
    padding: 16px 18px;
    border-radius: 12px;
    background: var(--bg);
}

.goal svg {
    flex: none;
    color: var(--moss);
}

.files {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.file {
    flex: 1 1 260px;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px;
    border-radius: 14px;
    background: var(--w);
    border: 1px solid var(--line);
}

.file:hover {
    background: var(--mint);
}

.file__ext {
    width: 42px;
    height: 42px;
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--bg);
    font-size: 11px;
    font-weight: 800;
    color: var(--moss);
}

.file span {
    display: flex;
    flex-direction: column;
}

.file small {
    font-size: 13px;
    color: var(--mut);
}


.lesson-video iframe {
    width: 100%;
}

.lesson-text {
    overflow-wrap: anywhere;
}

@media (max-width: 768px) {
    .lesson-bar__sep {
        display: none;
    }

    .lesson-bar__title {
        flex-basis: 100%;
        order: 3;
    }

    .lesson-bar__progress {
        flex: 1 1 160px;
    }

    .learn {
        padding: 16px 12px 48px;
    }

    .lesson-main {
        padding: 20px 16px;
    }

    .lesson-sidebar {
        padding: 16px;
    }

    .lesson-footer,
    .lesson-completed-box {
        justify-content: stretch;
        align-items: stretch;
    }

    .lesson-next-btn {
        width: 100%;
        justify-content: center;
    }
}


.lesson-footer {
    flex-wrap: wrap;
    gap: 12px;
}

.lesson-footer form {
    margin: 0;
}

.lesson-footer .lesson-next-btn,
.lesson-footer .lesson-completed-box {
    margin-left: auto;
}

.lesson-done {
    font-weight: 700;
    color: var(--moss);
}



.accordion {
    border: 1px solid var(--line);
    border-radius: 24px;
    overflow: hidden;
    background: var(--w);
}

.acc__item + .acc__item {
    border-top: 1px solid var(--line);
}

.acc__btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 24px;
    min-height: 72px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}

.acc__btn::-webkit-details-marker {
    display: none;
}

.acc__btn:hover {
    background: var(--bg);
}

.acc__num {
    width: 44px;
    height: 44px;
    flex: none;
    border-radius: 14px;
    background: var(--mint);
    color: var(--moss);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.acc__title {
    flex: 1;
}

.acc__sign {
    position: relative;
    width: 32px;
    height: 32px;
    flex: none;
    border-radius: 50%;
    background: var(--bg);
}

.acc__sign::before,
.acc__sign::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 12px;
    height: 2px;
    margin: -1px 0 0 -6px;
    background: var(--moss);
    border-radius: 2px;
}

.acc__sign::after {
    transform: rotate(90deg);
    transition: transform 0.2s;
}

.acc__item[open] .acc__sign::after {
    transform: rotate(0deg);
}

.acc__panel {
    padding: 0 24px 24px 84px;
    color: var(--mut);
}

@media (max-width: 600px) {
    .acc__panel {
        padding: 0 24px 24px;
    }
}

.materials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
    gap: 16px;
}

.material {
    padding: 24px;
    font-weight: 600;
}

.curator-band {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    align-items: center;
    padding: 32px;
    border-radius: 28px;
    background: var(--moss);
    color: var(--w);
}

.curator-band__text {
    flex: 1 1 360px;
}

.curator-band__text b {
    font-size: 20px;
}

.curator-band__text p {
    margin-top: 6px;
    color: var(--mint);
}

.avatar {
    width: 72px;
    height: 72px;
    flex: none;
    border-radius: 50%;
    background: var(--mint);
    color: var(--moss);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    padding: 28px;
    border-radius: 24px;
    background: var(--mint);
}

.cert__icon {
    font-size: 36px;
}

.cert div {
    flex: 1 1 360px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cert span {
    color: var(--mut);
}

.disclaimer {
    margin: 24px 0 48px;
    padding: 16px 20px;
    border-radius: 16px;
    background: #FCEBD0;
    color: #7A4B0C;
    font-size: 15px;
}

.buy-card__price {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--ink);
}

.buy-card__status {
    padding: 12px 16px;
    border-radius: 14px;
    background: var(--mint);
    color: var(--moss);
    font-weight: 600;
    text-align: center;
}

.buy-card form {
    margin: 0;
}


.admin-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    min-height: 100vh;
    background: var(--bg);
}

.admin-sidebar {
    background: var(--w);
    border-right: 1px solid var(--line);
    padding: 28px 18px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.admin-brand {
    display: block;
    padding: 0 12px;
    color: var(--moss);
    font-size: 23px;
    font-weight: 800;
}

.admin-sidebar__caption {
    margin: 8px 12px 24px;
    color: var(--mut);
    font-size: 13px;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.admin-nav__link {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    color: var(--ink);
    font-size: 15px;
    font-weight: 500;
}

.admin-nav__link:hover { background: var(--bg); }
.admin-nav__link.is-active {
    background: var(--mint);
    color: var(--moss);
    font-weight: 700;
}

.admin-nav__back {
    margin-top: 12px;
    border-top: 1px solid var(--line);
    color: var(--mut);
}

.admin-main {
    min-width: 0;
    padding: clamp(20px, 3vw, 42px);
}

.admin-heading { margin-bottom: 26px; }
.admin-heading h1 { font-size: clamp(26px, 3vw, 34px); }
.admin-content { max-width: 1400px; }
.admin-content__top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 24px;
}
.admin-content__top h2 { margin-bottom: 0; }
.admin-alert { margin-bottom: 20px; }
.admin-empty { padding: 48px 20px; text-align: center; color: var(--mut); }


.admin-table-wrap { overflow-x: auto; }
.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}
.admin-table th {
    padding: 12px 10px;
    border-bottom: 2px solid var(--line);
    font-weight: 700;
    white-space: nowrap;
}
.admin-table td {
    padding: 14px 10px;
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
}
.admin-table__actions { text-align: right; }
.admin-muted { color: var(--mut); }
.admin-strong { font-weight: 600; }
.admin-status { font-weight: 600; white-space: nowrap; }
.admin-status--pending { color: #97600f; }
.admin-status--paid { color: var(--moss); }
.admin-status--cancelled { color: var(--mut); }
.admin-status--refunded { color: #C62828; }
.admin-action-form { margin: 0; display: inline-block; }
.admin-small-btn { padding: 6px 12px; font-size: 13px; white-space: nowrap; }


@media (max-width: 800px) {
    .admin-layout { display: block; }
    .admin-sidebar {
        position: static;
        height: auto;
        overflow: visible;
        border-right: 0;
        border-bottom: 1px solid var(--line);
        padding: 16px;
    }
    .admin-sidebar__caption { margin-bottom: 12px; }
    .admin-nav { flex-direction: row; flex-wrap: wrap; }
    .admin-nav__link { padding: 8px 10px; font-size: 14px; }
    .admin-nav__back { margin-top: 0; border-top: 0; }
    .admin-main { padding: 20px 14px; }
    .admin-table-wrap { padding: 10px; }
}

.header-inner {
    max-width: 1500px;
    width: 100%;
    gap: 24px;
}

.site-header__menu {
    gap: 20px;
}

.site-nav {
    gap: 14px;
}

.site-nav a {
    white-space: nowrap;
}

.header-actions {
    gap: 12px;
}

.header-cabinet {
    white-space: nowrap;
}