:root {
    --bg: #f7faf8;
    --text: #17211f;
    --muted: #5f6f6c;
    --green: #0f766e;
    --green-dark: #115e59;
    --line: #dce8e4;
    --card: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

a {
    color: inherit;
}

.site-header,
.site-footer,
main {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 20px 0;
}

.logo {
    margin-right: auto;
    color: var(--green-dark);
    font-size: 24px;
    font-weight: 800;
    text-decoration: none;
}

.main-nav,
.languages {
    display: flex;
    gap: 8px;
}

.main-nav a,
.languages a {
    padding: 8px 12px;
    border-radius: 999px;
    color: var(--muted);
    font-weight: 700;
    text-decoration: none;
}

.main-nav a.active,
.main-nav a:hover,
.languages a.active,
.languages a:hover {
    color: var(--green-dark);
    background: #e8f6f2;
}

.menu-button {
    display: none;
}

.hero,
.page-title,
.section {
    padding: 64px 0;
}

.hero {
    min-height: 520px;
    display: grid;
    align-items: center;
    background: radial-gradient(circle at top right, #b9eee2, transparent 32%), linear-gradient(135deg, #ffffff, #edf8f4);
    border-radius: 32px;
    padding: 64px;
}

.hero > div,
.page-title {
    max-width: 780px;
}

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

h1 {
    margin-bottom: 18px;
    font-size: clamp(38px, 7vw, 76px);
    line-height: 1;
}

h2 {
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.1;
}

p {
    color: var(--muted);
}

.label {
    color: var(--green);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.button {
    display: inline-block;
    padding: 12px 18px;
    border: 0;
    border-radius: 999px;
    color: #ffffff;
    background: var(--green);
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.button:hover {
    background: var(--green-dark);
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.card,
.box,
.price-item {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--card);
}

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: start;
}

.check-list {
    padding-left: 20px;
}

.check-list li {
    margin-bottom: 10px;
}

.price-list {
    display: grid;
    gap: 12px;
}

.price-item {
    display: flex;
    justify-content: space-between;
    gap: 18px;
}

.price-item h2 {
    margin: 0;
    font-size: 22px;
}

.price-item strong {
    color: var(--green-dark);
    white-space: nowrap;
}

.note {
    margin-top: 18px;
}

.cta {
    text-align: center;
}

.form {
    display: grid;
    gap: 14px;
}

.form label {
    display: grid;
    gap: 6px;
    font-weight: 700;
}

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

.hidden-field {
    position: absolute;
    left: -9999px;
}

.success {
    color: #047857;
    font-weight: 800;
}

.error {
    color: #b42318;
    font-weight: 800;
}

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 36px 0;
    border-top: 1px solid var(--line);
}

.site-footer a,
.site-footer span {
    display: block;
    color: var(--muted);
}

@media (max-width: 820px) {
    .site-header {
        flex-wrap: wrap;
    }

    .menu-button {
        display: block;
        padding: 8px 12px;
        border: 1px solid var(--line);
        border-radius: 999px;
        background: white;
    }

    .main-nav {
        display: none;
        width: 100%;
        flex-direction: column;
    }

    .main-nav.open {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: 36px;
    }

    .cards,
    .split,
    .site-footer {
        grid-template-columns: 1fr;
        flex-direction: column;
    }

    .price-item {
        display: block;
    }
}