/* ==========================================================================
   MetProm — COMPONENTS
   Кнопки · Формы · Чекбоксы · Карточки · Marquee
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Кнопка (в стиле PIR, но в акценте #AE3C39)
   -------------------------------------------------------------------------- */
.btn {
    display: block;
    font-family: var(--ff-regular);
    font-size: var(--fz-button);
    line-height: var(--lh-default);
    text-transform: uppercase;
    letter-spacing: -0.01em;
    padding: 2.01rem 1rem 1.63rem;
    text-align: center;
    width: 45.4rem;
    max-width: 100%;
    background: var(--fg-accent);       /* #AE3C39 */
    color: var(--fg-white);
    border: 0.2rem solid var(--fg-accent);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    z-index: 5;
    cursor: auto;
    transition: all 0.3s ease-in-out;
}

.btn:not(:disabled) { cursor: pointer; }
.btn:disabled { opacity: .7; }

/* Анимированная заливка снизу вверх — глубокий бордовый */
.btn::after {
    content: "";
    position: absolute;
    transform: translateY(110%);
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background: var(--fg-accent-deep); /* #692224 */
    transition: transform 0.5s ease-in-out;
    z-index: -1;
}

@media (any-hover: hover) {
    .btn:not(:disabled):hover::after {
        transform: translateY(0);
    }
}

@media (max-width: 575px) {
    .btn {
        padding-top: 1.8rem;
        padding-bottom: 1.25rem;
        width: 100%;
    }
}

.btn--left { margin: 0; }
.btn--100 { width: 100%; }

/* Прозрачная с рамкой */
.btn--border {
    background: none;
    color: var(--fg-black);
}
.btn--border::after { background: var(--fg-accent); }
.btn--border:hover { color: var(--fg-white); }

/* Мини-кнопка */
.btn--mini {
    font-size: var(--fz-mini-button);
    padding: 0.6rem 1rem 0.4rem;
}

/* Прозрачная (стартовое состояние — залита акцентом, при hover — наоборот) */
.btn--transparent {
    background: transparent;
    color: var(--fg-black);
    border-color: var(--fg-accent);
}
.btn--transparent::after {
    transform: translateY(0);
    background: var(--fg-accent);
}
@media (any-hover: hover) {
    .btn--transparent:hover { color: var(--fg-white); }
    .btn--transparent:hover::after { transform: translateY(100%); }
}

/* --------------------------------------------------------------------------
   2. Формы
   -------------------------------------------------------------------------- */
.form__row { position: relative; }

.form__input {
    width: 100%;
    height: 5rem;
    background: none;
    border: none;
    border-bottom: var(--bw-regular) solid var(--fg-accent);
    font-size: var(--fz-button);
    font-family: var(--ff-regular);
    color: var(--fg-black);
    border-radius: 0 !important;
    padding: 0 1rem;
    transition: var(--tr-regular);
}
@media (max-width: 575px) {
    .form__input {
        height: 3.7rem;
        font-size: var(--fz-mini-button);
    }
}

.form__input::placeholder {
    color: var(--fg-black);
    transition: all 0.3s;
}
.form__input:focus::placeholder {
    color: var(--fg-gray-light-2);
}
.form__input--error { border-color: var(--fg-red); }

/* --------------------------------------------------------------------------
   3. Чекбокс
   -------------------------------------------------------------------------- */
.checkbox {
    position: relative;
    top: 0.2rem;
}
@media (max-width: 991px) { .checkbox { top: 0; } }

.checkbox__icon {
    position: absolute;
    left: 0;
    top: 0.2rem;
    width: 2.2rem;
    height: 2.2rem;
    border: 0.2rem solid var(--fg-accent);
}
.checkbox__icon::before {
    content: "";
    position: absolute;
    top: 50%; left: 50%;
    width: 1.1rem;
    height: 0.8rem;
    /* В PIR был svg-файл, заменим inline SVG-галочку в акценте */
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 11 8'><path d='M1 4L4 7L10 1' stroke='%23AE3C39' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: all 0.3s;
}
.checkbox__input {
    position: absolute;
    left: 0; top: 0.2rem;
    opacity: 0;
    width: 100%; height: 100%;
    z-index: 5;
    cursor: pointer;
}
.checkbox__input:checked + .checkbox__icon::before { opacity: 1; }
.checkbox__input.form__input--error + .checkbox__icon { border-color: var(--fg-red); }

.checkbox__label {
    display: block;
    padding-left: 3.3rem;
}
.checkbox__label a {
    position: relative;
    z-index: 5;
    border-bottom: 0.1rem solid var(--fg-black);
}
@media (max-width: 575px) {
    .checkbox__label { line-height: 120%; }
}

/* --------------------------------------------------------------------------
   4. Блок с подзаголовком (маленькая точка + текст, как в PIR)
   -------------------------------------------------------------------------- */
.block__subtitle {
    font-family: var(--ff-arial);
    font-size: var(--fz-mini-txt);
    letter-spacing: -0.06rem;
    position: relative;
    padding-left: 1.6rem;
    line-height: 110%;
    top: 0.2rem;
}
.block__subtitle--middle { margin-top: 2.5rem; }
@media (max-width: 991px) { .block__subtitle { margin-top: 0; } }

.block__subtitle::before {
    content: "";
    position: absolute;
    top: 70%; left: 0;
    width: 0.6rem;
    height: 0.6rem;
    background: var(--fg-accent);       /* #AE3C39 — точка */
    transform: translateY(-35%);
}

/* --------------------------------------------------------------------------
   5. Блок-заголовок
   -------------------------------------------------------------------------- */
.block-header { margin-bottom: 7.5rem; }
@media (max-width: 575px) { .block-header { margin-bottom: 3.5rem; } }

.block-header__title {
    font-size: var(--fz-h1);
    font-weight: 700;
    line-height: 100%;
    font-family: var(--ff-regular);
    text-transform: uppercase;
}
.block-header--mb40 { margin-bottom: 3.2rem; }
.block-header--flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* --------------------------------------------------------------------------
   6. Marquee (бегущая строка) — бордовая лента
   -------------------------------------------------------------------------- */
.marquee {
    background: var(--fg-accent-deep);  /* #692224 */
    color: var(--fg-white);
    overflow: hidden;
    padding: 2.6rem 0;
    border-top: 0.2rem solid var(--fg-accent-deep);
    border-bottom: 0.2rem solid var(--fg-accent-deep);
}
.marquee__track {
    display: flex;
    align-items: center;
    gap: 4rem;
    white-space: nowrap;
    animation: metprom-marquee 45s linear infinite;
    will-change: transform;
}
.marquee__item {
    font-family: var(--ff-regular);
    font-size: clamp(3.2rem, 4vw, 6.4rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    color: var(--fg-white);
}
.marquee__dot {
    flex-shrink: 0;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--fg-accent);        /* #AE3C39 — светящаяся точка */
    box-shadow: 0 0 2rem var(--accent-glow);
}

@keyframes metprom-marquee {
    from { transform: translate3d(0, 0, 0); }
    to   { transform: translate3d(-50%, 0, 0); }
}

/* --------------------------------------------------------------------------
   7. Карточки преимуществ (сетка 3×3 с акцентной полосой снизу)
   -------------------------------------------------------------------------- */
.feature-card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 32rem;
    padding: 4rem 3.2rem 3.6rem;
    background: var(--fg-white);
    border: var(--border-regular);
    overflow: hidden;
    transition: transform var(--tr), box-shadow var(--tr), border-color var(--tr);
}
.feature-card::after {
    content: "";
    position: absolute;
    left: 0; bottom: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--fg-accent), var(--fg-accent-deep));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s var(--ease-out);
}
.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--fg-accent);
    box-shadow: 0 2rem 4rem -1.5rem rgba(174, 60, 57, .2);
}
.feature-card:hover::after { transform: scaleX(1); }

.feature-card__num {
    font-family: var(--ff-arial);
    font-size: 1.2rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--fg-gray-light);
    margin-bottom: auto;
}
.feature-card__icon {
    width: 5.6rem;
    height: 5.6rem;
    margin: 2.4rem 0;
    color: var(--fg-accent);
    transition: color var(--tr);
}
.feature-card:hover .feature-card__icon { color: var(--fg-accent-deep); }

.feature-card__title {
    font-family: var(--ff-regular);
    font-size: 2.4rem;
    font-weight: 700;
    text-transform: uppercase;
    line-height: 110%;
    color: var(--fg-black);
    margin-bottom: 1.2rem;
}
.feature-card__text {
    font-family: var(--ff-arial);
    font-size: var(--fz-mini-txt);
    line-height: 150%;
    color: var(--fg-gray);
}

/* --------------------------------------------------------------------------
   8. Stat (Компания в цифрах)
   -------------------------------------------------------------------------- */
.stat {
    padding: 3.2rem 0;
    border-top: var(--border-regular);
    display: flex;
    align-items: baseline;
    gap: 2rem;
}
.stat__num {
    font-family: var(--ff-regular);
    font-size: clamp(5.6rem, 7vw, 10.4rem);
    font-weight: 700;
    line-height: .9;
    color: var(--fg-black);
    white-space: nowrap;
}
.stat__num .accent { color: var(--fg-accent); font-size: .5em; margin-left: .4rem; }
.stat__label {
    font-family: var(--ff-arial);
    font-size: var(--fz-mini-txt);
    color: var(--fg-gray);
    max-width: 26rem;
}

@media (max-width: 575px) {
    .stat { flex-direction: column; gap: .8rem; align-items: flex-start; }
}

/* --------------------------------------------------------------------------
   9. Process (Как мы работаем) — сетка с рамками
   -------------------------------------------------------------------------- */
.process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(24rem, 1fr));
    border-top: var(--border-regular);
    border-left: var(--border-regular);
}
.process__item {
    position: relative;
    padding: 4rem 2.8rem;
    border-right: var(--border-regular);
    border-bottom: var(--border-regular);
    transition: background var(--tr);
}
.process__item:hover { background: var(--accent-soft); }

.process__num {
    display: block;
    font-family: var(--ff-regular);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--fg-accent);
    margin-bottom: 4rem;
}
.process__title {
    font-family: var(--ff-regular);
    font-size: 2rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--fg-black);
    margin-bottom: 1rem;
}
.process__text {
    font-family: var(--ff-arial);
    font-size: var(--fz-mini-txt);
    color: var(--fg-gray);
}

/* --------------------------------------------------------------------------
   10. Партнёры
   -------------------------------------------------------------------------- */
.partner {
    display: grid;
    place-items: center;
    height: 10rem;
    padding: 2rem;
    background: var(--fg-white);
    border: var(--border-regular);
    filter: grayscale(1) contrast(.6);
    opacity: .55;
    transition: var(--tr-regular);
}
.partner:hover {
    filter: none;
    opacity: 1;
    border-color: var(--fg-accent);
}
.partner img,
.partner svg { max-height: 4.4rem; width: auto; }