/* —— Sequência travada no scroll —— */
.scroll-story {
    position: relative;
    z-index: 3;
    height: 380vh;
    background: var(--bg);
    box-shadow: var(--overlap-shadow);
}

.scroll-story__pin {
    position: sticky;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    height: 100dvh;
    padding: 6.5rem clamp(1.25rem, 5vw, 4rem) 4.5rem;
    box-sizing: border-box;
    overflow: hidden;
    background: var(--bg);
}

.scroll-story__glow {
    position: absolute;
    left: var(--glow-x, 50%);
    top: var(--glow-y, 42%);
    z-index: 0;
    width: var(--glow-size, 42vw);
    height: var(--glow-size, 42vw);
    max-width: 34rem;
    max-height: 34rem;
    min-width: 16rem;
    min-height: 16rem;
    pointer-events: none;
    border-radius: 50%;
    background: radial-gradient(
        circle at center,
        var(--glow) 0%,
        transparent 74%
    );
    filter: blur(52px);
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.9);
}

.scroll-story__glow.is-on {
    animation: scroll-story-glow 1.15s ease-out;
}

@keyframes scroll-story-glow {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.86);
    }
    24% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.14);
    }
}

.scroll-story__kicker,
.scroll-story__title,
.scroll-story__stage,
.scroll-story__dots {
    position: relative;
    z-index: 1;
}

.scroll-story__kicker {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
}

.scroll-story__title {
    position: relative;
    max-width: 22ch;
    margin: 0 0 0.5rem;
    font-size: clamp(2rem, 4.8vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.04em;
    text-align: center;
    color: var(--heading);
}

.scroll-story__title-text {
    display: block;
    position: relative;
}

.scroll-story__title-break {
    display: block;
}

.scroll-story__title-shine {
    position: absolute;
    inset: 0;
    display: block;
    background-image: linear-gradient(
        105deg,
        transparent 0%,
        transparent 38%,
        rgba(255, 255, 255, 0.15) 46%,
        rgba(255, 255, 255, 0.95) 50%,
        rgba(255, 255, 255, 0.15) 54%,
        transparent 62%,
        transparent 100%
    );
    background-size: 240% 100%;
    background-repeat: no-repeat;
    background-position: var(--shine, -80%) 50%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    pointer-events: none;
}

.scroll-story__stage {
    display: grid;
    justify-items: center;
    width: min(42rem, 92vw);
    min-height: 8.5rem;
}

.scroll-story__line {
    grid-area: 1 / 1;
    width: 100%;
    max-width: 46ch;
    margin: 0;
    font-size: clamp(1.125rem, 1.4vw + 0.7rem, 1.25rem);
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: 0;
    text-align: center;
    color: var(--text-soft);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    pointer-events: none;
}

.scroll-story__line.is-active {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
}

.scroll-story__dots {
    display: flex;
    gap: 0.45rem;
    align-items: center;
    margin-top: 1.5rem;
}

.scroll-story__dot {
    width: 0.4rem;
    height: 0.4rem;
    border-radius: 999px;
    background: var(--slate-200);
    transition:
        width 0.35s var(--fade-ease),
        background 0.35s var(--fade-ease);
}

.scroll-story__dot.is-active {
    width: 1.35rem;
    background: var(--accent);
}

@media (max-width: 768px) {
    .scroll-story {
        height: 340vh;
    }

    .scroll-story__pin {
        padding: calc(var(--nav-top) + 4.75rem + env(safe-area-inset-top, 0px))
            1.25rem 3rem;
        gap: 1rem;
    }

    .scroll-story__title {
        font-size: clamp(1.7rem, 8vw, 2.4rem);
        max-width: 12ch;
    }

    .scroll-story__stage {
        min-height: 9.5rem;
        width: min(36rem, 92vw);
    }

    .scroll-story__line {
        font-size: 1.0625rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .scroll-story,
    .scroll-story--static {
        height: auto;
    }

    .scroll-story__pin {
        position: relative;
        height: auto;
        padding: clamp(4rem, 10vw, 6rem) 1.5rem;
        gap: 1rem;
        overflow: visible;
    }

    .scroll-story__kicker,
    .scroll-story__title,
    .scroll-story__dots {
        opacity: 1;
        transform: none;
    }

    .scroll-story__title-shine {
        display: none;
    }

    .scroll-story__stage {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
        min-height: 0;
        width: min(42rem, 92vw);
    }

    .scroll-story__line,
    .scroll-story__line.is-active {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        pointer-events: auto;
    }

    .scroll-story__dots {
        display: none;
    }

    .scroll-story__glow,
    .scroll-story__glow.is-on {
        animation: none;
        opacity: 0;
    }
}