.ivl-hero {
    position: relative;
    min-height: 100vh;
    display: grid;
    place-items: center;
    overflow: hidden;
    isolation: isolate;
    padding: 140px 20px 72px;
}

.ivl-hero__backgrounds,
.ivl-hero-bg__item,
.ivl-hero__overlay,
.ivl-hero__particles {
    position: absolute;
    inset: 0;
}

.ivl-hero__backgrounds {
    z-index: -4;
    background: var(--bg-dark);
}

.ivl-hero-bg__item {
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.05);
    filter: brightness(0.42) contrast(1.08) saturate(1.06);
    transition: opacity 1.45s ease, transform 5.8s ease;
}

.ivl-hero-bg__item.is-active {
    opacity: 1;
    transform: scale(1);
}

.ivl-hero__overlay {
    z-index: -2;
    background:
        linear-gradient(90deg, rgba(2, 11, 5, 0.86) 0%, rgba(6, 36, 13, 0.58) 48%, rgba(2, 11, 5, 0.78) 100%),
        linear-gradient(to bottom, rgba(2, 11, 5, 0.18) 0%, rgba(2, 11, 5, 0.30) 55%, #06240d 100%),
        radial-gradient(circle at 50% 34%, rgba(212, 193, 21, 0.12), transparent 42%);
}

.ivl-hero__particles {
    z-index: -1;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.ivl-hero__content {
    width: min(1060px, 100%);
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.ivl-hero__copy {
    min-height: 420px;
    display: grid;
    align-items: center;
    text-align: center;
}

.ivl-copy-slide {
    grid-area: 1 / 1;
    opacity: 0;
    transform: translateY(22px) scale(0.98);
    pointer-events: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.ivl-copy-slide.is-active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.ivl-copy-slide h1 {
    width: min(980px, 100%);
    margin: 0 auto;
    font-family: var(--ivl-font-title);
    font-size: clamp(3.6rem, 8vw, 8.3rem);
    line-height: 0.86;
    letter-spacing: -0.07em;
    color: #ffffff;
    text-shadow: 0 22px 70px rgba(0, 0, 0, 0.62);
}

.ivl-copy-slide p {
    max-width: 760px;
    margin: 26px auto 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: clamp(1rem, 1.8vw, 1.26rem);
    line-height: 1.75;
}

.ivl-hero__actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.ivl-hero-arrow {
    position: absolute;
    top: 50%;
    z-index: 3;
    transform: translateY(-50%);
    width: 54px;
    height: 54px;
    border: 1px solid rgba(212, 193, 21, 0.26);
    border-radius: 50%;
    background: rgba(6, 36, 13, 0.45);
    color: #ffffff;
    font-size: 2.4rem;
    line-height: 1;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.ivl-hero-arrow:hover {
    border-color: var(--accent);
    background: rgba(212, 193, 21, 0.15);
    transform: translateY(-50%) scale(1.05);
}

.ivl-hero-arrow--prev {
    left: clamp(16px, 4vw, 54px);
}

.ivl-hero-arrow--next {
    right: clamp(16px, 4vw, 54px);
}

.ivl-hero-progress {
    position: absolute;
    left: 50%;
    bottom: 38px;
    z-index: 3;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.ivl-hero-progress span {
    width: 28px;
    height: 3px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.28);
    transition: width 0.25s ease, background 0.25s ease;
}

.ivl-hero-progress span.is-active {
    width: 54px;
    background: var(--accent);
}
