/* ============================================
   AUTO ESTHETE — Базовые стили
   reset, типографика, header, footer, мобильное меню
   ============================================ */

/* ---- CSS-переменные ---- */
:root {
    /* Цвета */
    --color-bg: #0A0A0A;
    --color-bg-alt: #111111;
    --color-bg-card: #1A1A1A;
    --color-accent: #C8102E;
    --color-accent-hover: #E01235;
    --color-text: #FFFFFF;
    --color-text-secondary: #B0B0B0;
    --color-border: #222222;

    /* Типографика */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Размеры */
    --container-max: 1200px;
    --header-height: 80px;
    --border-radius: 8px;
    --border-radius-lg: 12px;

    /* Переходы */
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
}


/* ---- Reset ---- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

ul, ol {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}


/* ---- Контейнер ---- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}


/* ---- Типографика ---- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 2.75rem;
    font-weight: 800;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.375rem;
}

p {
    margin-bottom: 1rem;
}

p:last-child {
    margin-bottom: 0;
}


/* ---- Кнопки ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-text);
}

.btn--primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200, 16, 46, 0.4);
}

.btn--primary:active {
    transform: translateY(0);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-accent);
}

.btn--outline:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}


/* ============================================
   HEADER
   Появляется при скролле вверх, скрывается при скролле вниз.
   На самом верху страницы — всегда видим.
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: transform var(--transition);
}

.header--hidden {
    transform: translateY(-100%);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 20px;
}

/* Логотип */
.header__logo {
    flex-shrink: 0;
}

.header__logo img {
    height: 240px;
    width: auto;
}

/* Навигация */
.header__nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.header__nav-list {
    display: flex;
    gap: 32px;
}

.header__nav-link {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    position: relative;
    padding: 4px 0;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition);
}

.header__nav-link:hover {
    color: var(--color-text);
}

.header__nav-link:hover::after {
    width: 100%;
}

/* Контакты в header */
.header__contacts {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.header__phone {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
}

.header__phone:hover {
    color: var(--color-accent);
}

.header__socials {
    display: flex;
    gap: 10px;
}

.header__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--color-text-secondary);
    transition: color var(--transition), background-color var(--transition);
}

.header__social-link:hover {
    color: var(--color-text);
    background-color: rgba(200, 16, 46, 0.15);
}

/* Бургер */
.header__burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
}

.header__burger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

/* Бургер → крестик (анимация) */
.header__burger--active .header__burger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header__burger--active .header__burger-line:nth-child(2) {
    opacity: 0;
}

.header__burger--active .header__burger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* ============================================
   МОБИЛЬНОЕ МЕНЮ (slide-in справа)
   ============================================ */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1001;
    background-color: rgba(0, 0, 0, 0.6);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.mobile-overlay--active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1002;
    width: 300px;
    max-width: 85vw;
    height: 100vh;
    background-color: var(--color-bg-alt);
    border-left: 1px solid var(--color-border);
    transform: translateX(100%);
    transition: transform var(--transition);
    display: flex;
    flex-direction: column;
    padding: 24px;
    overflow-y: auto;
}

.mobile-menu--active {
    transform: translateX(0);
}

.mobile-menu__close {
    align-self: flex-end;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.mobile-menu__close:hover {
    color: var(--color-text);
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 32px;
}

.mobile-menu__link {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    padding: 12px 16px;
    border-radius: var(--border-radius);
    color: var(--color-text-secondary);
    transition: color var(--transition), background-color var(--transition);
}

.mobile-menu__link:hover {
    color: var(--color-text);
    background-color: rgba(200, 16, 46, 0.1);
}

.mobile-menu__phone {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 24px;
    padding: 0 16px;
}

.mobile-menu__phone:hover {
    color: var(--color-accent);
}

.mobile-menu__socials {
    display: flex;
    gap: 12px;
    padding: 0 16px;
    margin-top: auto;
}

.mobile-menu__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}

.mobile-menu__social-link:hover {
    color: var(--color-text);
    border-color: var(--color-accent);
    background-color: rgba(200, 16, 46, 0.1);
}

/* Блокировка скролла при открытом меню */
body.menu-open {
    overflow: hidden;
}


/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding-top: 60px;
}

.footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer__logo {
    display: inline-block;
    margin-bottom: 16px;
}

.footer__logo img {
    height: 350px;
    width: auto;
}

.footer__description {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.footer__heading {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    color: var(--color-text);
}

.footer__phone {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.footer__phone:hover {
    color: var(--color-accent);
}

.footer__address,
.footer__schedule {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 6px;
}

.footer__nav-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer__nav-link {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.footer__nav-link:hover {
    color: var(--color-accent);
}

.footer__socials {
    display: flex;
    gap: 12px;
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}

.footer__social-link:hover {
    color: var(--color-text);
    border-color: var(--color-accent);
    background-color: rgba(200, 16, 46, 0.15);
}

/* Footer bottom */
.footer__bottom {
    border-top: 1px solid var(--color-border);
    padding: 20px 0;
}

.footer__bottom-inner {
    text-align: center;
}

.footer__copyright {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}


/* ============================================
   СЕКЦИИ — общие стили
   ============================================ */
.section {
    padding: 80px 0;
}

.section--alt {
    background-color: var(--color-bg-alt);
}

.section__title {
    text-align: center;
    margin-bottom: 16px;
}

.section__subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 48px;
    font-size: 1.0625rem;
}

/* Красная линия-акцент под заголовком секции */
.section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
    margin: 16px auto 0;
    border-radius: 2px;
}


/* ============================================
   УТИЛИТЫ
   ============================================ */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Отступ для якорных ссылок (чтобы header не перекрывал) */
[id] {
    scroll-margin-top: calc(var(--header-height) + 20px);
}


/* ============================================
   АДАПТИВНОСТЬ
   ============================================ */

/* Tablet: 768px — 1199px */
@media (max-width: 1199px) {
    .header__nav-list {
        gap: 20px;
    }

    .header__nav-link {
        font-size: 0.8125rem;
    }

    .header__phone {
        font-size: 0.875rem;
    }

    .footer__inner {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

/* Mobile: до 767px */
@media (max-width: 767px) {
    :root {
        --header-height: 64px;
    }

    h1 {
        font-size: 1.875rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .section {
        padding: 50px 0;
    }

    .section__subtitle {
        font-size: 1rem;
        margin-bottom: 36px;
    }

    /* Header: только лого + бургер */
    .header__nav,
    .header__contacts {
        display: none;
    }

    .header__burger {
        display: flex;
    }

    /* Footer: одна колонка */
    .footer__inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer {
        padding-top: 40px;
    }
}