/* =========================================================
   animations.css
   Только CSS-анимации. Не трогает основную вёрстку.
   Все reveal-классы вешаются автоматически через animations.js,
   либо вручную через HTML.
   ========================================================= */

/* ---------------------------------------------------------
   1. REVEAL — появление снизу вверх
   --------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(60px);
    transition:
        opacity .9s cubic-bezier(.22, 1, .36, 1),
        transform .9s cubic-bezier(.22, 1, .36, 1);
    will-change: opacity, transform;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0)!important;
}

/* Заголовки — чуть больше смещение и медленнее */
.reveal.reveal-title {
    transform: translateY(80px);
    transition-duration: 1.05s;
}

/* Модификаторы задержки */
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }
.reveal[data-delay="5"] { transition-delay: .40s; }
.reveal[data-delay="6"] { transition-delay: .48s; }
.reveal[data-delay="7"] { transition-delay: .56s; }
.reveal[data-delay="8"] { transition-delay: .64s; }

/* ---------------------------------------------------------
   2. Появление слева/справа/zoom/blur
   --------------------------------------------------------- */
.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 1s cubic-bezier(.22,1,.36,1),
                transform 1s cubic-bezier(.22,1,.36,1);
}
.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 1s cubic-bezier(.22,1,.36,1),
                transform 1s cubic-bezier(.22,1,.36,1);
}
.reveal-left.is-visible,
.reveal-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-zoom {
    opacity: 0;
    transform: scale(.92);
    transition: opacity .9s ease, transform .9s cubic-bezier(.22,1,.36,1);
}
.reveal-zoom.is-visible { opacity: 1; transform: scale(1); }

.reveal-blur {
    opacity: 0;
    filter: blur(14px);
    transform: scale(1.03);
    transition: opacity .8s ease, filter 1s ease, transform 1s ease;
}
.reveal-blur.is-visible {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
}

/* ---------------------------------------------------------
   3. Счётчики
   --------------------------------------------------------- */
.counter {
    display: inline-block;
    font-variant-numeric: tabular-nums;
}

/* ---------------------------------------------------------
   4. Пульсация точки в orange_skob
   --------------------------------------------------------- */
@keyframes ter-pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,.55); }
    50%      { box-shadow: 0 0 0 8px rgba(255,255,255,0); }
}
.orange_skob::before {
    animation: ter-pulse-dot 2.4s ease-in-out infinite;
}

/* ---------------------------------------------------------
   5. Градиент, едущий по кнопке
   --------------------------------------------------------- */
.orange_btn {
    background-size: 200% 100%;
    background-position: 0% 50%;
    transition:
        background-position .6s ease,
        transform .3s ease,
        box-shadow .3s ease;
}
.orange_btn:hover {
    background-position: 100% 50%;
}

/* Стрелка едет вправо при hover */
.orange_btn::after,
.white_btn::after,
.gray_btn::after {
    transition: transform .3s ease;
}
.orange_btn:hover::after,
.white_btn:hover::after,
.gray_btn:hover::after {
    transform: translateY(-50%) translateX(4px);
}

/* ---------------------------------------------------------
   6. Анимированные градиенты у крупных цифр
   --------------------------------------------------------- */
.chisla_home_div.white_sect .h1_man,
.mashtab_about_right_child .big_text {
    background: linear-gradient(92deg, #F85C27 0%, #F28A67 50%, #F85C27 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: ter-gradient-move 6s linear infinite;
}
.chisla_home_div.orange_sect .h1_man,
.mashtab_about .big_text {
    background: none;
    -webkit-text-fill-color: currentColor;
    animation: none;
}
@keyframes ter-gradient-move {
    to { background-position: 200% center; }
}

/* ---------------------------------------------------------
   7. Картинки в 4-grid — легкий зум при hover
   --------------------------------------------------------- */
.four_grid .four_grid_div.image_box {
    overflow: hidden;
}
.four_grid .four_grid_div.image_box img {
    transition: transform .8s cubic-bezier(.22,1,.36,1);
}
.four_grid .four_grid_div.image_box:hover img {
    transform: scale(1.06);
}

/* ---------------------------------------------------------
   8. FAQ-аккордеон (плавное раскрытие)
   --------------------------------------------------------- */
.faq_content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition:
        max-height .45s ease,
        opacity .35s ease,
        padding .35s ease;
}
.faq_item.active .faq_content {
    max-height: 500px;
    opacity: 1;
    padding-top: 14px;
}
.faq_icon img {
    transition: transform .35s ease;
}
.faq_item.active .faq_icon img {
    transform: rotate(180deg);
}

/* ---------------------------------------------------------
   9. Shake для формы с ошибкой
   --------------------------------------------------------- */
@keyframes ter-shake {
    10%, 90% { transform: translateX(-1px); }
    20%, 80% { transform: translateX(2px); }
    30%, 50%, 70% { transform: translateX(-3px); }
    40%, 60% { transform: translateX(3px); }
}
.shake { animation: ter-shake .5s cubic-bezier(.36,.07,.19,.97) both; }

/* ---------------------------------------------------------
   10. Плавное появление подсказок у иконок
   --------------------------------------------------------- */
.header_icon {
    transition: transform .3s ease, opacity .3s ease;
}
.header_icon:hover {
    transform: translateY(-2px);
    opacity: .85;
}

/* ---------------------------------------------------------
   11. Отключаем всё для prefers-reduced-motion
   --------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-zoom,
    .reveal-blur {
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
        transition: none !important;
    }
    .orange_skob::before,
    .chisla_home_div.white_sect .h1_man,
    .mashtab_about_right_child .big_text { animation: none !important; }
    .orange_btn,
    .white_btn,
    .gray_btn { transition: none !important; }
}