:root {
    --bg: #f9f5eb;
    --panel: #fffdf8;
    --panel-soft: #f1ebe1;
    --ink: #2b2a25;
    --muted: #706e66;
    --line: #dcd4c7;
    --line-strong: #c7bcad;
    --accent: #5f6f52;
    --accent-strong: #45543c;
    --accent-soft: #e4eadc;
    --terracotta: #a94438;
    --terracotta-strong: #89362f;
    --terracotta-soft: #f4dfd8;
    --success: #52714a;
    --danger: #a94438;
    --input-bg: #fffdf8;
    --question-option-bg: #fffdf8;
    --shadow: 0 24px 70px rgba(62, 52, 40, .11);
    --font-display: "Comfortaa", system-ui, sans-serif;
    --font-body: "Nunito", system-ui, sans-serif;
    --content-width: 1280px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    overflow-x: clip;
    color: var(--ink);
    background: var(--bg);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
    font: inherit;
}

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

main {
    overflow-x: clip;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    font-family: var(--font-display);
}

h1 {
    margin-bottom: 24px;
    font-size: clamp(42px, 5.1vw, 72px);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -.035em;
}

h2 {
    margin-bottom: 18px;
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -.03em;
}

h3 {
    line-height: 1.25;
}

.site-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 52px;
    min-height: 78px;
    padding: 12px max(28px, calc((100vw - var(--content-width)) / 2));
    border-bottom: 1px solid rgba(199, 188, 173, .64);
    background: rgba(249, 245, 235, .92);
    backdrop-filter: blur(14px);
}

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
}

.site-logo-mark {
    position: relative;
    display: inline-block;
    width: 26px;
    height: 26px;
}

.site-logo-mark i {
    position: absolute;
    display: block;
    width: 17px;
    height: 17px;
    border-radius: 50% 50% 50% 8px;
    background: var(--terracotta);
    transform: rotate(-18deg);
}

.site-logo-mark i:last-child {
    right: 0;
    bottom: 0;
    width: 14px;
    height: 14px;
    background: var(--accent);
    transform: rotate(168deg);
}

.site-nav,
.site-header-actions,
.site-footer nav {
    display: flex;
    align-items: center;
}

.site-nav {
    justify-content: center;
    gap: 34px;
    font-size: 15px;
    font-weight: 700;
}

.site-nav a,
.site-login-link,
.site-footer nav a {
    transition: color .18s ease;
}

.site-nav a:hover,
.site-login-link:hover,
.site-footer nav a:hover {
    color: var(--terracotta);
}

.site-header-actions {
    gap: 22px;
    font-weight: 700;
}

.site-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    min-height: 54px;
    border: 1px solid var(--terracotta);
    border-radius: 999px;
    padding: 0 28px;
    color: #fffaf2;
    background: var(--terracotta);
    box-shadow: none;
    font-weight: 800;
    transition: transform .18s ease, background .18s ease, border-color .18s ease;
}

.site-button:hover {
    border-color: var(--terracotta-strong);
    background: var(--terracotta-strong);
    transform: translateY(-2px);
}

.site-button-small {
    min-height: 44px;
    padding: 0 22px;
    font-size: 14px;
}

.site-hero,
.site-section,
.site-value-strip,
.site-final-cta,
.site-footer {
    width: min(var(--content-width), calc(100% - 56px));
    margin-inline: auto;
}

.site-hero {
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(460px, 1.05fr);
    gap: clamp(42px, 7vw, 104px);
    align-items: center;
    min-height: 690px;
    padding: 72px 0 80px;
}

.site-hero-copy {
    max-width: 660px;
}

.site-badge,
.site-eyebrow {
    color: var(--terracotta);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.site-badge {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 24px;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 9px 14px;
    background: rgba(255, 253, 248, .72);
    letter-spacing: .055em;
}

.site-badge span {
    color: var(--accent);
    font-size: 9px;
}

.site-lead,
.site-constructor-copy > p {
    max-width: 620px;
    color: var(--muted);
    font-size: 19px;
    line-height: 1.65;
}

.site-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px;
    margin-top: 34px;
}

.site-text-link {
    border-bottom: 1px solid var(--line-strong);
    padding: 7px 0 5px;
    font-weight: 800;
}

.site-text-link:hover {
    color: var(--terracotta);
    border-color: var(--terracotta);
}

.site-hero-visual {
    position: relative;
    height: min(560px, 43vw);
    min-height: 460px;
}

.site-hero-visual::before {
    position: absolute;
    inset: -18px 22px 22px -18px;
    border: 1px solid var(--line-strong);
    border-radius: 42% 58% 44% 56% / 57% 39% 61% 43%;
    content: "";
    transform: rotate(-2deg);
}

.site-hero-visual img {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 42% 58% 44% 56% / 57% 39% 61% 43%;
    object-fit: cover;
    object-position: 50% 52%;
    box-shadow: var(--shadow);
}

.site-hero-note {
    position: absolute;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid rgba(220, 212, 199, .9);
    border-radius: 16px;
    padding: 14px 17px;
    background: rgba(255, 253, 248, .94);
    box-shadow: 0 16px 38px rgba(45, 42, 35, .16);
    backdrop-filter: blur(8px);
}

.site-hero-note strong,
.site-hero-note small {
    display: block;
}

.site-hero-note strong {
    font-size: 14px;
}

.site-hero-note small {
    margin-top: 2px;
    color: var(--muted);
    font-size: 12px;
}

.site-hero-note > span {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    color: white;
    background: var(--accent);
    font-weight: 900;
}

.site-hero-note-top {
    top: 9%;
    left: -34px;
}

.site-hero-note-bottom {
    right: -24px;
    bottom: 11%;
    display: block;
    min-width: 126px;
    text-align: center;
}

.site-hero-note-bottom strong {
    color: var(--terracotta);
    font-family: var(--font-display);
    font-size: 23px;
}

.site-value-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.site-value-strip article {
    display: flex;
    align-items: center;
    gap: 18px;
    min-height: 126px;
    padding: 24px clamp(18px, 3vw, 40px);
}

.site-value-strip article + article {
    border-left: 1px solid var(--line);
}

.site-value-number {
    color: var(--terracotta);
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 700;
}

.site-value-strip strong,
.site-value-strip p {
    display: block;
}

.site-value-strip strong {
    margin-bottom: 4px;
    font-size: 16px;
}

.site-value-strip p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.site-section {
    padding: 116px 0;
    scroll-margin-top: 78px;
}

.site-section-heading {
    max-width: 760px;
    margin-bottom: 42px;
}

.site-section-heading-centered {
    margin-inline: auto;
    text-align: center;
}

.site-section-heading > p:last-child {
    color: var(--muted);
    font-size: 18px;
    line-height: 1.6;
}

.site-eyebrow {
    margin-bottom: 14px;
}

.site-audiences {
    padding-top: 108px;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.audience-card {
    position: relative;
    min-height: 440px;
    border-radius: 26px;
    padding: clamp(28px, 4vw, 54px);
    overflow: hidden;
}

.audience-card::after {
    position: absolute;
    right: -70px;
    bottom: -90px;
    width: 250px;
    height: 250px;
    border: 1px solid currentColor;
    border-radius: 48% 52% 35% 65%;
    content: "";
    opacity: .13;
    transform: rotate(28deg);
}

.audience-card-student {
    color: #f9f5eb;
    background: var(--accent);
}

.audience-card-teacher {
    color: #fff9f0;
    background: var(--terracotta);
}

.audience-card-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 48px;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .07em;
    text-transform: uppercase;
}

.audience-card-topline i {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, .48);
    border-radius: 50%;
    font-style: normal;
    font-size: 20px;
}

.audience-card h3 {
    max-width: 490px;
    margin-bottom: 26px;
    font-size: clamp(26px, 3vw, 38px);
}

.audience-card ul {
    display: grid;
    gap: 10px;
    margin: 0 0 36px;
    padding-left: 20px;
    color: rgba(255, 255, 255, .82);
}

.audience-card a {
    position: relative;
    z-index: 1;
    display: inline-flex;
    gap: 14px;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, .55);
    padding-bottom: 6px;
    font-weight: 800;
}

.site-constructor {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(480px, 1.15fr);
    gap: clamp(48px, 7vw, 100px);
    align-items: start;
}

.constructor-steps {
    display: grid;
    gap: 0;
    margin: 40px 0 0;
    padding: 0;
    list-style: none;
}

.constructor-steps li {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
}

.constructor-steps li > span {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--terracotta);
    background: var(--terracotta-soft);
    font-weight: 900;
}

.constructor-steps strong,
.constructor-steps small {
    display: block;
}

.constructor-steps small {
    margin-top: 4px;
    color: var(--muted);
    font-size: 14px;
}

.site-bank {
    border: 1px solid var(--line);
    border-radius: 26px;
    padding: clamp(24px, 3.5vw, 42px);
    background: var(--panel);
    box-shadow: var(--shadow);
}

.site-bank-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.site-bank-head span {
    display: block;
    margin-bottom: 7px;
    color: var(--terracotta);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.site-bank-head h3 {
    margin: 0;
    font-size: 25px;
}

.site-bank-head small,
.site-muted {
    color: var(--muted);
}

.site-category-list {
    display: grid;
    gap: 9px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-category .site-category-list {
    margin-top: 9px;
    padding-left: 18px;
}

.site-category-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 54px;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 10px 15px;
    background: var(--panel-soft);
}

.site-category-row > span {
    font-weight: 800;
}

.site-category-row small {
    flex: 0 0 auto;
    color: var(--muted);
}

.site-category > p {
    margin: 8px 0 0;
    padding-left: 15px;
    color: var(--muted);
    line-height: 1.45;
}

.site-final-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    min-height: 280px;
    margin-bottom: 90px;
    border-radius: 30px;
    padding: clamp(36px, 6vw, 78px);
    color: #fffaf2;
    background: var(--terracotta);
}

.site-final-cta .site-eyebrow {
    color: #f3c9bc;
}

.site-final-cta h2 {
    max-width: 710px;
    margin: 0;
}

.site-button-light {
    flex: 0 0 auto;
    color: var(--ink);
    border-color: var(--panel);
    background: var(--panel);
}

.site-button-light:hover {
    color: var(--ink);
    border-color: #efe7da;
    background: #efe7da;
}

.site-footer {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 34px;
    min-height: 120px;
    border-top: 1px solid var(--line);
}

.site-footer p {
    margin: 0;
    color: var(--muted);
}

.site-footer nav {
    gap: 24px;
    font-size: 14px;
    font-weight: 700;
}

.u-visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    margin: -1px !important;
    padding: 0 !important;
    border: 0 !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    white-space: nowrap !important;
}

.hidden {
    display: none !important;
}

@media (max-width: 1050px) {
    .site-topbar {
        gap: 24px;
    }

    .site-nav {
        gap: 20px;
    }

    .site-hero {
        grid-template-columns: minmax(0, 1fr) minmax(390px, .85fr);
        gap: 46px;
    }

    .site-hero-note-top {
        left: -18px;
    }

    .site-hero-note-bottom {
        right: -12px;
    }

    .site-constructor {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 820px) {
    .site-topbar {
        grid-template-columns: 1fr auto;
        min-height: 70px;
        padding-inline: 20px;
    }

    .site-nav,
    .site-login-link {
        display: none;
    }

    .site-hero,
    .site-section,
    .site-value-strip,
    .site-final-cta,
    .site-footer {
        width: min(100% - 36px, var(--content-width));
    }

    .site-hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: 62px 0;
    }

    .site-hero-visual {
        height: 540px;
    }

    .site-value-strip,
    .audience-grid {
        grid-template-columns: 1fr;
    }

    .site-value-strip article + article {
        border-top: 1px solid var(--line);
        border-left: 0;
    }

    .site-section {
        padding: 84px 0;
    }

    .site-final-cta {
        align-items: flex-start;
        flex-direction: column;
        margin-bottom: 56px;
    }

    .site-footer {
        grid-template-columns: 1fr;
        gap: 18px;
        padding: 34px 0;
    }
}

@media (max-width: 560px) {
    .site-button-small {
        min-height: 42px;
        padding-inline: 16px;
        font-size: 13px;
    }

    .site-hero {
        padding-top: 44px;
    }

    .site-badge {
        font-size: 10px;
    }

    .site-lead {
        font-size: 17px;
    }

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

    .site-text-link {
        width: fit-content;
    }

    .site-hero-visual {
        height: 410px;
        min-height: 0;
    }

    .site-hero-note-top {
        top: 6%;
        left: -8px;
    }

    .site-hero-note-bottom {
        right: -6px;
        bottom: 7%;
    }

    .audience-card {
        min-height: 470px;
    }

    .site-bank-head,
    .site-category-row {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-final-cta .site-button {
        width: 100%;
    }
}