/* ==========================================================================
   MetProm — LAYOUT (стиль PIR.GROUP)
   Header · Hero · Sections · Footer
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Header — модульная сетка с рамками
   -------------------------------------------------------------------------- */
.header {
    border-bottom: var(--border-regular);
    background: var(--fg-bg);
    position: relative;
    z-index: 999;
    transition: var(--tr-regular);
}
.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
@media (max-width: 575px) {
    .header__container { padding: 0 1rem; }
}
.header__logo {
    width: var(--width-grid-left-regular);
    padding-left: var(--p-container);
}
.header__logo-pc {
    width: 34.4rem;
    height: auto;
}
.header__logo-mobile { display: none; }
@media (max-width: 991px) {
    .header__logo {
        border-left: var(--border-regular);
        height: 5rem;
        display: flex;
        padding: 0 1.5rem;
        align-items: center;
        min-width: 9rem;
        max-width: 9rem;
    }
}
@media (max-width: 575px) {
    .header__logo-pc { display: none; }
    .header__logo-mobile { display: block; }
}

.header__main {
    width: calc(var(--width-grid-right-regular) - 0.25rem);
    border-left: var(--border-regular);
    position: relative;
}
@media (max-width: 991px) {
    .header__main { display: none; }
}
.header__row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
}

.header--absolute {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    background: transparent;
    color: var(--fg-white);
}
.header--active {
    background: var(--fg-bg);
    color: var(--fg-black);
}
.header__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.55rem 1.5rem 1.05rem;
    font-family: var(--ff-regular);
    font-size: var(--fz-mini-button);
    text-transform: uppercase;
    letter-spacing: .04em;
    line-height: 110%;
    box-sizing: content-box;
    position: relative;
    width: 100%;
    transition: var(--tr-regular);
}
.header__link--call {
    color: var(--fg-accent);
}
@media (any-hover: hover) {
    .header__link:hover {
        color: var(--fg-accent);
    }
}
.header__dropdown {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header__item {
    border-top: var(--border-regular);
    border-right: var(--border-regular);
}
.header__item--last {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-right: var(--border-regular);
}
.header__button {
    display: none;
    padding: 1.6rem 1.5rem 1.4rem;
    min-width: 23.5rem;
    font-size: var(--fz-mini-button);
    color: var(--fg-accent);
    border-left: var(--border-regular);
    border-right: var(--border-regular);
    text-align: left;
}
@media (max-width: 991px) {
    .header__button {
        display: block;
        min-width: 22rem;
    }
}

/* Бургер */
.header__burger {
    display: none;
}
@media (max-width: 991px) {
    .header__burger {
        display: flex;
        width: 5rem;
        height: 5rem;
        border-left: var(--border-regular);
        border-right: var(--border-regular);
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }
}

/* --------------------------------------------------------------------------
   2. Mobile menu
   -------------------------------------------------------------------------- */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--fg-bg);
    z-index: 9999;
    transform: translateY(-100%);
    transition: transform 0.5s ease-in-out;
    overflow-y: auto;
}
.mobile-menu--active {
    transform: translateY(0);
}
.mobile-menu__wrapper {
    padding: 8rem 2rem 4rem;
}
.mobile-menu__list li {
    border-bottom: var(--border-regular);
}
.mobile-menu__list a {
    display: block;
    padding: 2rem 0;
    font-family: var(--ff-regular);
    font-size: var(--fz-h3);
    text-transform: uppercase;
    color: var(--fg-black);
}

/* --------------------------------------------------------------------------
   3. Hero — с видео-фоном и крупным заголовком
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 20rem 0 10rem;
    overflow: hidden;
    background: var(--fg-black);
    color: var(--fg-white);
}
.hero__video {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero__video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .5;
}
.hero__video::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(35,34,35,.5) 0%, rgba(35,34,35,.85) 100%);
}
.hero__container {
    position: relative;
    z-index: 2;
    width: 100%;
}
.hero__content {
    max-width: 90rem;
}
.hero__title {
    font-family: var(--ff-regular);
    font-size: var(--fz-h1);
    line-height: 100%;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .02em;
    color: var(--fg-white);
    margin-bottom: 4rem;
}
.hero__title span {
    display: block;
    overflow: hidden;
}
.hero__title span > span {
    display: inline-block;
    transform: translateY(110%);
    transition: transform 1s cubic-bezier(.16,1,.3,1);
}
.hero__title._animated span > span,
.hero__title ._animated span > span {
    transform: translateY(0);
}
.hero__text {
    font-family: var(--ff-body);
    font-size: var(--fz-txt);
    line-height: 130%;
    color: rgba(255,255,255,.8);
    max-width: 70rem;
    margin-bottom: 5rem;
    letter-spacing: -0.06rem;
}
.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

/* --------------------------------------------------------------------------
   4. Секции с левым сайдбаром (1/3 + 2/3, как в PIR)
   -------------------------------------------------------------------------- */
.block__subtitle {
    font-family: var(--ff-body);
    font-size: var(--fz-mini-txt);
    letter-spacing: -0.06rem;
    position: relative;
    padding-left: 1.6rem;
    line-height: 110%;
    top: 0.2rem;
}
.block__subtitle:before {
    content: "";
    position: absolute;
    top: 70%;
    left: 0;
    width: 0.6rem;
    height: 0.6rem;
    background: var(--fg-accent);
    transform: translateY(-35%);
}

.block-header {
    margin-bottom: 7.5rem;
}
@media (max-width: 575px) {
    .block-header { margin-bottom: 3.5rem; }
}
.block-header__title {
    font-family: var(--ff-regular);
    font-size: var(--fz-h1);
    font-weight: 700;
    line-height: 100%;
    text-transform: uppercase;
    letter-spacing: .02em;
}
.block-header--mb40 { margin-bottom: 3.2rem; }

/* --------------------------------------------------------------------------
   5. Footer
   -------------------------------------------------------------------------- */
.footer {
    background: var(--fg-black);
    color: var(--fg-white);
    padding: 8rem 0 4rem;
    border-top: var(--border-regular);
}
.footer__top {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 6rem;
    margin-bottom: 6rem;
}
@media (max-width: 991px) {
    .footer__top {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}
.footer__title {
    font-family: var(--ff-regular);
    font-size: var(--fz-h4);
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--fg-accent);
    margin-bottom: 2rem;
}
.footer__menu li {
    border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__menu a {
    display: block;
    padding: 1.2rem 0;
    font-family: var(--ff-body);
    font-size: var(--fz-mini-txt);
    color: rgba(255,255,255,.7);
    transition: color var(--tr);
    letter-spacing: -0.04rem;
}
.footer__menu a:hover {
    color: var(--fg-accent);
}
.footer__contacts-item {
    display: block;
    margin-bottom: 1.2rem;
    color: var(--fg-white);
}
.footer__logo svg {
    width: 100%;
    height: auto;
    margin-bottom: 4rem;
}
.footer__bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding-top: 3rem;
    font-family: var(--ff-body);
    font-size: var(--fz-description);
    color: rgba(255,255,255,.4);
    text-transform: uppercase;
    letter-spacing: .1em;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

/* --------------------------------------------------------------------------
   6. Callback — финальная секция с рамкой (как в PIR)
   -------------------------------------------------------------------------- */
.callback {
    padding: var(--pd-block);
}
.callback__block {
    border: var(--border-regular);
    background: var(--fg-white);
    padding: 8rem;
    position: relative;
}
@media (max-width: 991px) {
    .callback__block { padding: 4rem 2rem; }
}
.callback__title {
    font-family: var(--ff-regular);
    font-size: var(--fz-h1);
    text-transform: uppercase;
    line-height: 100%;
    text-align: center;
    margin-bottom: 6rem;
}
.callback__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}
@media (max-width: 991px) {
    .callback__grid { grid-template-columns: 1fr; }
}