/* =========================================
   Contact Page
   ========================================= */

/* ── Intro ── */
.contact-intro {
    padding: 88px 0 80px;
    background: #ffffff;
    background-image:
        linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px),
        linear-gradient(rgba(0,0,0,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.02) 1px, transparent 1px);
    background-size: 80px 80px, 80px 80px, 16px 16px, 16px 16px;
    border-bottom: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.contact-intro::after {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, rgba(84,187,144,0.12) 0%, transparent 60%);
    pointer-events: none;
}

.contact-intro__body {
    max-width: 560px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.contact-intro__body .section-label { margin-bottom: 4px; }

.contact-intro__heading {
    font-family: var(--font-primary);
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin: 0;
}

.contact-intro__text {
    font-size: 17px;
    line-height: 1.75;
    color: var(--color-text-muted);
    margin: 0;
}

/* Entrance — intro */
.js-ct-el {
    opacity: 0;
    transform: translateY(18px);
    transition:
        opacity 0.6s cubic-bezier(0.22,1,0.36,1) calc(var(--ci, 0) * 0.1s),
        transform 0.6s cubic-bezier(0.22,1,0.36,1) calc(var(--ci, 0) * 0.1s);
}

.js-ct-el.is-visible { opacity: 1; transform: none; }

/* Entrance — main blocks */
.js-ct-block {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity 0.65s cubic-bezier(0.22,1,0.36,1) calc(var(--ci, 0) * 0.12s),
        transform 0.65s cubic-bezier(0.22,1,0.36,1) calc(var(--ci, 0) * 0.12s);
}

.js-ct-block.is-visible { opacity: 1; transform: none; }

/* ── Main section ── */
.contact-main {
    padding: 80px 0 96px;
    background: var(--color-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 80px;
    align-items: start;
}

/* ── Form ── */
.contact-form-wrap__title {
    font-family: var(--font-primary);
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    margin: 0 0 32px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

/* Поле с underline-стилем */
.contact-form__field {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.contact-form__label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 10px;
    transition: color 0.2s ease;
}

.contact-form__label span { color: var(--color-primary); }

.contact-form__field:focus-within .contact-form__label { color: var(--color-primary); }

.contact-form__input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1.5px solid var(--color-border);
    border-radius: 0;
    padding: 0 0 12px;
    font-family: var(--font-primary);
    font-size: 15px;
    color: var(--color-text);
    outline: none;
    -webkit-appearance: none;
}

.contact-form__input::placeholder { color: rgba(107,114,128,0.4); }

/* Анимированная зелёная линия снизу */
.contact-form__field::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.35s cubic-bezier(0.22,1,0.36,1);
}

.contact-form__field:focus-within::after { width: 100%; }

.contact-form__input--textarea {
    resize: none;
    min-height: 120px;
    line-height: 1.65;
    padding-top: 4px;
}

/* Phone/email inputs — системный шрифт для цифр */
input[type="tel"],
input[type="email"] {
    font-family: var(--font-data);
    letter-spacing: 0.01em;
}

/* Footer */
.contact-form__footer {
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
}

.contact-form__btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

.contact-form__btn.is-loading { pointer-events: none; opacity: 0.75; }

/* Spinner */
.contact-form__spinner {
    display: none;
    animation: ct-spin 0.8s linear infinite;
}

.contact-form__btn.is-loading .contact-form__spinner { display: block; }

@keyframes ct-spin { to { transform: rotate(360deg); } }

/* Success / Error */
.contact-form__success,
.contact-form__error {
    font-size: 14px;
    line-height: 1.5;
    display: none;
    margin: 0;
}

.contact-form__success { color: var(--color-primary); }
.contact-form__error   { color: #e53e3e; }

.contact-form__success.is-visible,
.contact-form__error.is-visible { display: block; }

/* ── Info sidebar ── */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: sticky;
    top: calc(var(--header-height) + 32px);
}

.contact-info__item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 22px 0;
    text-decoration: none;
    position: relative;
}

/* Градиентный разделитель снизу */
.contact-info__item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--color-border) 15%,
        var(--color-border) 85%,
        transparent 100%
    );
}

/* Градиентный разделитель сверху у первого */
.contact-info__item:first-child::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--color-border) 15%,
        var(--color-border) 85%,
        transparent 100%
    );
}

@media (hover: hover) {
    a.contact-info__item:hover .contact-info__value { color: var(--color-primary); }
}

.contact-info__icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--color-bg-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-top: 2px;
}

.contact-info__content {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.contact-info__label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.contact-info__value {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.5;
    transition: color 0.2s ease;
}

/* Данные с цифрами — системный шрифт, чёткие нейтральные цифры */
a[href^="tel"] .contact-info__value,
a[href^="mailto"] .contact-info__value,
.contact-info__value--data {
    font-family: var(--font-data);
    font-size: 14px;
    letter-spacing: 0.01em;
    font-weight: 500;
}

/* Socials */
.contact-info__socials {
    display: flex;
    gap: 10px;
    padding-top: 24px;
    flex-wrap: wrap;
}

.contact-info__social {
    width: 36px;
    height: 36px;
    background: var(--color-bg-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: background 0.2s ease, color 0.2s ease;
}

.contact-info__social svg { width: 16px; height: 16px; }

@media (hover: hover) {
    .contact-info__social:hover {
        background: var(--color-primary);
        color: #ffffff;
    }
}

/* =========================================
   Global Offices
   ========================================= */

@keyframes offices-pulse {
    0%, 100% { transform: scale(1);   opacity: 1; }
    50%       { transform: scale(1.9); opacity: 0; }
}

@keyframes offices-card-in {
    from { opacity: 0; transform: translateY(20px); filter: blur(4px); }
    to   { opacity: 1; transform: none;              filter: blur(0px); }
}

.offices {
    padding: 88px 0 104px;
    background-color: #0d0d0d;
    /* Dot grid — смещённые ряды для эффекта глубины */
    background-image:
        radial-gradient(circle, rgba(255,255,255,0.13) 1.5px, transparent 1.5px),
        radial-gradient(circle, rgba(255,255,255,0.06) 1px,   transparent 1px);
    background-size: 32px 32px, 16px 16px;
    background-position: 0 0, 8px 8px;
    position: relative;
    overflow: hidden;
}

/* Зелёный акцент */
.offices::before {
    content: '';
    position: absolute;
    bottom: -120px;
    right: -120px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(84,187,144,0.1) 0%, transparent 60%);
    pointer-events: none;
}

.offices__layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 64px;
    align-items: start;
}

/* ── Intro ── */
.offices__intro {
    position: sticky;
    top: calc(var(--header-height) + 40px);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.offices__label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.offices__heading {
    font-family: var(--font-primary);
    font-size: clamp(24px, 2.8vw, 36px);
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.025em;
    line-height: 1.1;
    margin: 0;
}

.offices__count {
    font-family: var(--font-data);
    font-size: 13px;
    color: rgba(255,255,255,0.35);
    margin: 0;
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.offices__count-num {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    line-height: 1;
}

/* Entrance */
.js-offices-anim {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 0.6s cubic-bezier(0.22,1,0.36,1) calc(var(--oi,0) * 0.1s),
        transform 0.6s cubic-bezier(0.22,1,0.36,1) calc(var(--oi,0) * 0.1s);
}
.js-offices-anim.is-visible { opacity: 1; transform: none; }

/* ── Grid ── */
.offices__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

/* ── Office card ── */
.office-card {
    /* Glassmorphism */
    background: linear-gradient(
        145deg,
        rgba(255,255,255,0.10) 0%,
        rgba(255,255,255,0.04) 100%
    );
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    padding: 18px 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    position: relative;
    /* Объём: inner highlight сверху + тень снизу */
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.14),
        0 4px 24px rgba(0,0,0,0.35);
    transition:
        background 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease,
        transform 0.3s ease;
}

.office-card.is-visible {
    animation: offices-card-in 0.55s cubic-bezier(0.22,1,0.36,1) both;
    animation-delay: calc(var(--oi, 0) * 0.06s);
}

@media (hover: hover) {
    .office-card:hover {
        background: linear-gradient(
            145deg,
            rgba(255,255,255,0.15) 0%,
            rgba(255,255,255,0.07) 100%
        );
        border-color: rgba(84,187,144,0.4);
        transform: translateY(-4px);
        box-shadow:
            inset 0 1px 0 rgba(255,255,255,0.18),
            0 8px 32px rgba(0,0,0,0.4),
            0 0 0 1px rgba(84,187,144,0.15);
    }
}

/* Top row */
.office-card__top {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Пульсирующая точка */
.office-card__pulse {
    position: relative;
    flex-shrink: 0;
    width: 8px;
    height: 8px;
}

.office-card__pulse::before,
.office-card__pulse::after {
    content: '';
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    border-radius: 50%;
    background: var(--color-primary);
}

.office-card__pulse::after {
    animation: offices-pulse 2.4s ease-out infinite;
    animation-delay: calc(var(--oi, 0) * 0.18s);
}

.office-card__name {
    font-size: 13px;
    font-weight: 700;
    color: rgba(255,255,255,0.9);
    letter-spacing: 0.02em;
    flex: 1;
}

.office-card__flag {
    font-size: 16px;
    line-height: 1;
}

/* Address */
.office-card__address {
    font-family: var(--font-data);
    font-size: 12px;
    line-height: 1.7;
    color: rgba(255,255,255,0.4);
    margin: 0;
}

/* =========================================
   Responsive
   ========================================= */

/* ── Tablet wide ── */
@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 260px;
        gap: 56px;
    }

    .offices__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── Tablet ── */
@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 52px;
    }

    /* Sidebar — горизонтальная сетка 2×N */
    .contact-info {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        column-gap: 32px;
        row-gap: 0;
    }

    /* В 2-col сетке у нечётных убираем правый padding,
       разделители работают только снизу — убираем верхний у всех кроме первых двух */
    .contact-info__item {
        padding: 18px 0;
    }

    .contact-info__item:first-child::before,
    .contact-info__item:nth-child(2)::before {
        display: block; /* верхняя линия у обоих первых */
    }

    /* Вертикальный разделитель между колонками — тонкий, по середине */
    .contact-info {
        position: static;
        /* разделитель между колонками через box-shadow у нечётных */
    }

    .contact-info__item:nth-child(odd) {
        border-right: none;
        position: relative;
    }

    /* Socials на всю ширину */
    .contact-info__socials {
        grid-column: 1 / -1;
        padding-top: 20px;
        border-top: none;
    }

    /* Offices */
    .offices__layout { grid-template-columns: 200px 1fr; gap: 40px; }
    .offices__grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Mobile ── */
@media (max-width: 768px) {
    /* Intro */
    .contact-intro {
        padding: 56px 0 48px;
        background-size: 56px 56px, 56px 56px, 14px 14px, 14px 14px;
    }

    .contact-intro__text { font-size: 15px; }

    .contact-intro::after {
        width: 240px;
        height: 240px;
        top: -40px;
        right: -40px;
    }

    /* Main */
    .contact-main { padding: 48px 0 64px; }

    /* Form */
    .contact-form__row {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .contact-form__input--textarea { min-height: 100px; }

    /* Кнопка на всю ширину */
    .contact-form__footer { align-items: stretch; }
    .contact-form__btn { justify-content: center; width: 100%; }

    /* Info — в 1 колонку */
    .contact-info {
        grid-template-columns: 1fr;
        column-gap: 0;
    }

    .contact-info__item:nth-child(2)::before { display: none; }

    .contact-info__socials { grid-column: auto; }

    /* Offices */
    .offices { padding: 64px 0 80px; }

    .offices__layout { grid-template-columns: 1fr; gap: 36px; }

    .offices__intro {
        position: static;
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
        gap: 20px;
    }

    .offices__count { margin-left: auto; }

    .offices__grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
}

/* ── Small mobile ── */
@media (max-width: 480px) {
    .contact-intro { padding: 44px 0 36px; }

    .contact-form-wrap__title {
        font-size: 18px;
        margin-bottom: 24px;
    }

    .contact-form { gap: 22px; }

    .contact-form__input { font-size: 14px; }

    .contact-form__label { font-size: 10px; }

    .contact-info__icon {
        width: 32px;
        height: 32px;
    }

    .contact-info__value { font-size: 14px; }

    .contact-info__socials { gap: 8px; }

    .contact-info__social {
        width: 32px;
        height: 32px;
    }

    /* Offices */
    .offices { padding: 48px 0 64px; }

    .office-card {
        padding: 14px 14px 16px;
        /* На мобиле backdrop-filter дорогой — заменяем solid-цветом */
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(255,255,255,0.08);
    }

    .offices__count-num { font-size: 22px; }
}

/* ── Прогресс-бар (скрыт на десктопе) ── */
.offices__progress {
    display: none;
}

/* ── Mobile — Swiper слайдер ── */
@media (max-width: 600px) {
    .offices { padding: 48px 0 60px; }

    .offices__layout {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .offices__intro {
        position: static;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .offices__count { margin-left: 0; }

    /* Swiper активен — overflow: hidden обязателен для работы touch */
    .offices__grid.swiper {
        overflow: hidden;
        grid-template-columns: unset;
        display: block;
        /* Выезжаем за container для peek-эффекта */
        margin-left: -20px;
        margin-right: -20px;
        padding-left: 0;
        width: calc(100% + 40px);
    }

    .office-card { opacity: 1 !important; }

    /* Первый слайд — отступ слева */
    .offices__grid.swiper .swiper-wrapper { padding-left: 20px; }

    /* Карточка — 80% ширины, следующая чуть выглядывает */
    .offices__grid.swiper .office-card {
        width: calc(80vw - 24px);
        max-width: 260px;
    }
}