/* Animated Headline — base layout */
.ah-wrapper {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    max-width: 100%;
}

.ah-static {
    display: inline-block;
}

.ah-dynamic-text {
    position: relative;
    display: inline-block;
    overflow: hidden;
    vertical-align: bottom;
    line-height: 1.2;
}

/* Reserve space equal to the tallest item so the layout doesn't jump */
.ah-dynamic-text {
    min-height: 1.2em;
}

.ah-dynamic-text__item {
    position: absolute;
    left: 0;
    top: 0;
    display: inline-block;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--ah-speed, 600ms) ease, transform var(--ah-speed, 600ms) ease, clip-path var(--ah-speed, 600ms) ease;
}

.ah-dynamic-text__item--active {
    position: relative;
    opacity: 1;
    visibility: visible;
}

/* Reserve layout width using the active item, others sit invisibly stacked */
.ah-dynamic-text__item:not(.ah-dynamic-text__item--active):not(.ah-dynamic-text__item--exit) {
    pointer-events: none;
}

/* ==========================================================
 * FADE
 * ========================================================== */
.ah-animation-fade .ah-dynamic-text__item {
    transform: none;
}
.ah-animation-fade .ah-dynamic-text__item--exit {
    position: absolute;
    opacity: 0;
    visibility: visible;
}

/* ==========================================================
 * SLIDE UP
 * ========================================================== */
.ah-animation-slide-up .ah-dynamic-text__item {
    transform: translateY(100%);
}
.ah-animation-slide-up .ah-dynamic-text__item--active {
    transform: translateY(0);
}
.ah-animation-slide-up .ah-dynamic-text__item--exit {
    position: absolute;
    visibility: visible;
    opacity: 0;
    transform: translateY(-100%);
}

/* ==========================================================
 * SLIDE DOWN
 * ========================================================== */
.ah-animation-slide-down .ah-dynamic-text__item {
    transform: translateY(-100%);
}
.ah-animation-slide-down .ah-dynamic-text__item--active {
    transform: translateY(0);
}
.ah-animation-slide-down .ah-dynamic-text__item--exit {
    position: absolute;
    visibility: visible;
    opacity: 0;
    transform: translateY(100%);
}

/* ==========================================================
 * ZOOM
 * ========================================================== */
.ah-animation-zoom .ah-dynamic-text__item {
    transform: scale(0.4);
}
.ah-animation-zoom .ah-dynamic-text__item--active {
    transform: scale(1);
}
.ah-animation-zoom .ah-dynamic-text__item--exit {
    position: absolute;
    visibility: visible;
    opacity: 0;
    transform: scale(1.4);
}

/* ==========================================================
 * ROTATE 3D
 * ========================================================== */
.ah-animation-rotate-3d {
    perspective: 400px;
}
.ah-animation-rotate-3d .ah-dynamic-text__item {
    transform: rotateX(90deg);
    transform-origin: 50% 100%;
}
.ah-animation-rotate-3d .ah-dynamic-text__item--active {
    transform: rotateX(0deg);
}
.ah-animation-rotate-3d .ah-dynamic-text__item--exit {
    position: absolute;
    visibility: visible;
    opacity: 0;
    transform: rotateX(-90deg);
}

/* ==========================================================
 * TYPEWRITER (reveals left-to-right, blinking caret)
 * ========================================================== */
.ah-animation-typing .ah-dynamic-text__item {
    clip-path: inset(0 100% 0 0);
    opacity: 1;
    visibility: visible;
    position: absolute;
}
.ah-animation-typing .ah-dynamic-text__item--active {
    position: relative;
    clip-path: inset(0 0 0 0);
}
.ah-animation-typing .ah-dynamic-text__item--exit {
    clip-path: inset(0 0 0 100%);
}
.ah-animation-typing .ah-dynamic-text__item--active::after {
    content: '';
    display: inline-block;
    width: 2px;
    margin-left: 2px;
    height: 1em;
    vertical-align: -0.1em;
    background: currentColor;
    animation: ah-caret-blink 900ms steps(1) infinite;
}

@keyframes ah-caret-blink {
    50% { opacity: 0; }
}

/* ==========================================================
 * CLIP REVEAL (circular reveal from center)
 * ========================================================== */
.ah-animation-clip .ah-dynamic-text__item {
    clip-path: circle(0% at 50% 50%);
    opacity: 1;
    visibility: visible;
    position: absolute;
}
.ah-animation-clip .ah-dynamic-text__item--active {
    position: relative;
    clip-path: circle(75% at 50% 50%);
}
.ah-animation-clip .ah-dynamic-text__item--exit {
    clip-path: circle(0% at 50% 50%);
}

/* ==========================================================
 * LOADING BAR (fades in, underline grows over the display duration)
 * ========================================================== */
.ah-animation-loading-bar .ah-dynamic-text {
    padding-bottom: 4px;
}
.ah-animation-loading-bar .ah-dynamic-text__item {
    transform: none;
}
.ah-animation-loading-bar .ah-dynamic-text__item--exit {
    position: absolute;
    visibility: visible;
    opacity: 0;
}
.ah-animation-loading-bar .ah-dynamic-text::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 0;
    background: currentColor;
    opacity: 0.6;
}
.ah-animation-loading-bar .ah-dynamic-text--running::before {
    width: 100%;
    transition: width var(--ah-duration, 2500ms) linear;
}

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
    .ah-dynamic-text__item {
        transition-duration: 1ms !important;
        animation: none !important;
    }
}