:root {
    --color-primary: #0057b8;
    --color-primary-dark: #003f87;
    --color-accent: #ffd43b;
    --color-accent-dark: #f5b800;

    --color-bg: #f5f8fb;
    --color-surface: #ffffff;
    --color-border: #d9e2ec;

    --color-text: #102a43;
    --color-text-muted: #627d98;

    --color-success: #178f5d;
    --color-warning: #f59f00;

    --font-main: Inter, Arial, Helvetica, sans-serif;

    --radius-sm: 6px;
    --radius-md: 8px;

    --shadow-card: 0 8px 24px rgba(16, 42, 67, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    min-height: 100%;
    margin: 0;
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.55;
    color: var(--color-text);
    background: var(--color-bg);
}

a {
    color: var(--color-primary);
}

a:hover {
    color: var(--color-primary-dark);
}

.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-header__logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 20px;
    line-height: 1.2;
    color: var(--color-text);
    text-decoration: none;
}

.site-header__logo::before {
    content: "";
    width: 28px;
    height: 28px;
    display: inline-block;
    border-radius: 8px;
    background:
            linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    box-shadow: inset 0 0 0 2px rgba(16, 42, 67, 0.08);
}

.site-header__nav {
    display: flex;
    align-items: center;
}

.site-header__menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 18px;
    margin: 0;
    padding: 0;
}

.site-header__menu a {
    color: var(--color-text-muted);
    font-weight: 600;
    text-decoration: none;
}

.site-header__menu a:hover {
    color: var(--color-primary);
}

.site-main {
    max-width: 1180px;
    margin: 0 auto;
    padding: 48px 20px;
}

.site-main h1 {
    max-width: 760px;
    margin: 0 0 16px;
    font-size: 44px;
    line-height: 1.08;
    color: var(--color-text);
}

.site-main p {
    max-width: 720px;
    margin: 0 0 20px;
    color: var(--color-text-muted);
    font-size: 18px;
}

.site-footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
}

.site-footer__inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 24px 20px;
    color: var(--color-text-muted);
    font-size: 14px;
}

.button,
button,
input[type="submit"] {
    min-height: 44px;
    border: 0;
    border-radius: var(--radius-sm);
    padding: 10px 18px;
    background: var(--color-primary);
    color: #ffffff;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.button:hover,
button:hover,
input[type="submit"]:hover {
    background: var(--color-primary-dark);
    color: #ffffff;
}

input,
select,
textarea {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    background: #ffffff;
    color: var(--color-text);
    font: inherit;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-primary);
    outline: 3px solid rgba(0, 87, 184, 0.16);
}

@media (max-width: 760px) {
    .site-header__inner {
        align-items: flex-start;
        flex-direction: column;
        gap: 14px;
    }

    .site-header__menu {
        flex-wrap: wrap;
        gap: 12px;
    }

    .site-main {
        padding: 36px 16px;
    }

    .site-main h1 {
        font-size: 34px;
    }

    .site-main p {
        font-size: 16px;
    }
}