:root {
    --color-background: #050505;
    --color-surface: #111111;
    --color-surface-soft: #181818;
    --color-border: #2a2a2a;
    --color-text: #ffffff;
    --color-text-muted: #b8b8b8;
    --color-primary: #ffb400;
    --color-primary-hover: #ffc533;
    --color-success: #2f8f46;

    --container-width: 1180px;
    --header-height: 78px;

    --radius-small: 8px;
    --radius-medium: 12px;
    --radius-large: 18px;

    --shadow-soft: 0 12px 35px rgba(0, 0, 0, 0.28);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--color-background);
    color: var(--color-text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

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

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

img {
    display: block;
    max-width: 100%;
}

button,
input {
    font: inherit;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.96);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(12px);
}

.site-header__container {
    width: min(100% - 32px, var(--container-width));
    min-height: var(--header-height);
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto minmax(280px, 1fr) auto;
    align-items: center;
    gap: 24px;
}

.site-header__logo-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
}

.site-header__logo-text {
    color: var(--color-primary);
    font-size: 1.22rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.site-header__search {
    width: 100%;
}

.search-form {
    display: grid;
    grid-template-columns: 1fr auto;
    width: 100%;
}

.search-form__label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.search-form__input {
    width: 100%;
    min-height: 46px;
    padding: 0 16px;
    color: var(--color-text);
    background: var(--color-surface-soft);
    border: 1px solid var(--color-border);
    border-right: 0;
    border-radius: var(--radius-medium) 0 0 var(--radius-medium);
    outline: none;
}

.search-form__input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 180, 0, 0.12);
}

.search-form__button {
    min-height: 46px;
    padding: 0 20px;
    color: #000000;
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: 0 var(--radius-medium) var(--radius-medium) 0;
    font-weight: 700;
    cursor: pointer;
}

.search-form__button:hover {
    background: var(--color-primary-hover);
}

.site-header__navigation {
    display: flex;
    align-items: center;
    gap: 18px;
}

.site-header__navigation a {
    color: var(--color-text);
    font-size: 0.96rem;
    font-weight: 600;
    white-space: nowrap;
}

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

.site-main {
    width: min(100% - 32px, var(--container-width));
    min-height: calc(100vh - 170px);
    margin: 0 auto;
    padding: 48px 0 64px;
}

.site-main h1,
.site-main h2,
.site-main h3 {
    line-height: 1.2;
}

.site-main h1 {
    margin-top: 0;
    color: var(--color-primary);
    font-size: clamp(2rem, 5vw, 3.2rem);
}

.site-main p {
    color: var(--color-text-muted);
}

.site-footer {
    border-top: 1px solid var(--color-border);
    background: #080808;
}

.site-footer__container {
    width: min(100% - 32px, var(--container-width));
    margin: 0 auto;
    padding: 26px 0;
    text-align: center;
}

.site-footer p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.92rem;
}

@media (max-width: 900px) {
    .site-header__container {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 16px 0;
    }

    .site-header__brand {
        display: flex;
        justify-content: center;
    }

    .site-header__navigation {
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 560px) {
    .site-header__container,
    .site-main,
    .site-footer__container {
        width: min(100% - 20px, var(--container-width));
    }

    .search-form {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .search-form__input {
        border-right: 1px solid var(--color-border);
        border-radius: var(--radius-medium);
    }

    .search-form__button {
        border-radius: var(--radius-medium);
    }

    .site-main {
        padding-top: 32px;
    }
}