/* Pillar Slider — front-end styles */

/* ── Custom property defaults (overridden inline per instance) ── */
.pillar-slider-wrap {
    --slider-height-desktop: 600px;
    --slider-height-tablet:  450px;
    --slider-height-mobile:  300px;
    --slider-anim:           600ms;
    --slider-arrow-size:     44px;
    --slider-dot-size:       10px;
    --slider-dot-gap:        6px;

    position: relative;
    width: 100%;
    height: var(--slider-height-desktop);
    overflow: hidden;
    background: #111;
}

@media (max-width: 1024px) {
    .pillar-slider-wrap { height: var(--slider-height-tablet); }
}

@media (max-width: 640px) {
    .pillar-slider-wrap { height: var(--slider-height-mobile); }
}

/* ── Inner track ── */
.pillar-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

/* ── Individual slide ── */
.pillar-slide {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* ── Fade transition ── */
.pillar-slider--fade .pillar-slide {
    opacity: 0;
    transition: opacity var(--slider-anim) ease;
    z-index: 1;
}

.pillar-slider--fade .pillar-slide.is-active {
    opacity: 1;
    pointer-events: auto;
    z-index: 2;
}

/* ── Slide (horizontal) transition ── */
.pillar-slider--slide .pillar-slide {
    transform: translateX(100%);
    transition: transform var(--slider-anim) cubic-bezier(.4, 0, .2, 1);
    z-index: 1;
}

.pillar-slider--slide .pillar-slide.is-active {
    transform: translateX(0);
    pointer-events: auto;
    z-index: 2;
}

.pillar-slider--slide .pillar-slide.is-leaving {
    transform: translateX(-100%);
    z-index: 1;
}

/* ── Background image ── */
.pillar-slide__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* ── Colour overlay ── */
.pillar-slide__overlay {
    position: absolute;
    inset: 0;
}

/* ── Content layer ── */
.pillar-slide__content {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    padding: clamp(1.5rem, 5vw, 4rem);
    gap: clamp(0.75rem, 2vw, 1.5rem);
    max-width: 900px;
}

.pillar-slide__content--left  { align-items: flex-start; text-align: left; }
.pillar-slide__content--center { align-items: center;    text-align: center; margin: 0 auto; }
.pillar-slide__content--right { align-items: flex-end;   text-align: right;  margin-left: auto; }

/* ── Typography ── */
.pillar-slide__heading {
    font-size: clamp(1.75rem, 4.5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: #fff;
    margin: 0;
    text-shadow: 0 2px 12px rgba(0,0,0,.3);
}

.pillar-slide__subheading {
    font-size: clamp(0.95rem, 2vw, 1.4rem);
    font-weight: 400;
    line-height: 1.55;
    color: rgba(255,255,255,.88);
    margin: 0;
    max-width: 680px;
    text-shadow: 0 1px 6px rgba(0,0,0,.25);
}

/* ── Buttons ── */
.pillar-slide__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.pillar-slide__content--center .pillar-slide__buttons { justify-content: center; }
.pillar-slide__content--right  .pillar-slide__buttons { justify-content: flex-end; }

@media (max-width: 480px) {
    .pillar-slide__buttons {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        max-width: 280px;
    }
}

.pillar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: clamp(0.6rem, 1.5vw, 0.85rem) clamp(1.25rem, 3vw, 2rem);
    font-size: clamp(0.875rem, 1.5vw, 1rem);
    font-weight: 600;
    line-height: 1;
    border-radius: 0.5rem;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
    white-space: nowrap;
}

.pillar-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,0,0,.2); }
.pillar-btn:active { transform: translateY(0); }

.pillar-btn--primary   { background: #2563eb; color: #fff; border-color: #2563eb; }
.pillar-btn--primary:hover   { background: #1d4ed8; border-color: #1d4ed8; }

.pillar-btn--secondary { background: #fff; color: #111; border-color: #fff; }
.pillar-btn--secondary:hover { background: rgba(255,255,255,.9); }

.pillar-btn--outline   { background: transparent; color: #fff; border-color: rgba(255,255,255,.85); }
.pillar-btn--outline:hover   { background: rgba(255,255,255,.15); border-color: #fff; }

.pillar-btn--ghost     { background: transparent; color: #fff; border-color: transparent; }
.pillar-btn--ghost:hover     { background: rgba(255,255,255,.1); }

/* ── Arrow controls ── */
.pillar-slider__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--slider-arrow-size);
    height: var(--slider-arrow-size);
    background: rgba(0,0,0,.35);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.pillar-slider__arrow:hover { background: rgba(0,0,0,.6); transform: translateY(-50%) scale(1.05); }

.pillar-slider__arrow svg { width: 20px; height: 20px; }

.pillar-slider__arrow--prev { left: clamp(0.75rem, 3vw, 1.5rem); }
.pillar-slider__arrow--next { right: clamp(0.75rem, 3vw, 1.5rem); }

/* ── Dot navigation ── */
.pillar-slider__dots {
    position: absolute;
    bottom: clamp(0.75rem, 2.5vw, 1.25rem);
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    display: flex;
    gap: var(--slider-dot-gap);
}

.pillar-slider__dot {
    width: var(--slider-dot-size);
    height: var(--slider-dot-size);
    border-radius: 50%;
    background: rgba(255,255,255,.45);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.pillar-slider__dot:hover { background: rgba(255,255,255,.75); }

.pillar-slider__dot.is-active {
    background: #fff;
    transform: scale(1.25);
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    .pillar-slider--fade .pillar-slide,
    .pillar-slider--slide .pillar-slide,
    .pillar-slider__arrow,
    .pillar-slider__dot { transition: none !important; }
}