/* ============================================================
   ACHIEVER SPORTS — HERO SLIDER  (Professional Auto-Fit)
   Any image, any ratio → fits perfectly, zero distortion.
   ============================================================ */

/* ── Container ────────────────────────────────────────────── */
.hero-slider {
    position: relative;
    width: 100%;
    height: 88vh;
    min-height: 520px;
    max-height: 960px;
    background: #0a0a0a;
    overflow: hidden;
    /* GPU-accelerated containment */
    contain: layout style;
}

/* ── Individual slide ─────────────────────────────────────── */
.hero-slider .slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Smooth cross-fade */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.75s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0s linear 0.75s;
    will-change: opacity;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    z-index: 1;
}

.hero-slider .slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
    transition: opacity 0.75s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0s linear 0s;
}

/* ── Auto-Fit image layer (two-layer blurred backdrop) ───── */
.slide-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

/*
  LAYER 1 — Blurred backdrop (fills the container, no black bars)
  Same image, blurred + slightly scaled so gaussian edges don't show.
  Acts as a beautiful contextual background behind the main image.
*/
.slide-bg-blur {
    position: absolute;
    inset: -40px;           /* overshoot so blur edges are clipped  */
    width: calc(100% + 80px);
    height: calc(100% + 80px);
    object-fit: cover;      /* fill every pixel                     */
    object-position: center;
    filter: blur(28px) brightness(0.72) saturate(1.2);
    transform: scale(1.05) translateZ(0);
    transition: transform 8s ease-in-out, filter 0.75s ease;
    will-change: transform;
    display: block;
    pointer-events: none;
    user-select: none;
}

/* Subtle drift on active */
.slide.active .slide-bg-blur {
    transform: scale(1.12) translateZ(0);
}

/*
  LAYER 2 — Main image (object-fit: contain = full image, no distortion)
  Sits on top of the blurred layer with higher z-index.
*/
.slide-bg-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;            /* ← full image always visible      */
    object-position: center center;
    display: block;
    z-index: 1;
    transform: translateZ(0);
    transition: transform 8s ease-in-out;
    will-change: transform;
    pointer-events: none;
    user-select: none;
}

/* Gentle Ken-Burns on the foreground image */
.slide.active .slide-bg-img {
    transform: scale(1.03) translateZ(0);
}

/* ── Overlay ─────────────────────────────────────────────────
   Stack order:
     z-index 0 → .slide-bg-blur  (blurred fill bg)
     z-index 1 → .slide-bg-img   (sharp contained image)
     z-index 2 → .slide-overlay  (colour/opacity tint)
     z-index 3 → .slide-content  (text + CTA)
   ─────────────────────────────────────────────────────────── */
.slide-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background-color: var(--slide-overlay-color, #000);
    opacity: var(--slide-overlay-opacity, 0.30);
    transition: opacity 0.5s;
}

/* ── Text content ─────────────────────────────────────────── */
.slide-content {
    position: relative;
    z-index: 3;
    color: #fff;
    text-align: center;
    max-width: 860px;
    width: 100%;
    padding: 2rem 1.5rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

/* ── Title / Subtitle ─────────────────────────────────────── */
.slide-title {
    font-size: clamp(1.8rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.15;
    color: #fff;
    text-shadow: 0 2px 8px rgba(0,0,0,0.85), 0 0 30px rgba(0,0,0,0.5);
    margin: 0 0 0.4rem;
    /* Animate from below */
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s 0.25s ease, transform 0.7s 0.25s ease;
}

.slide-sub {
    font-size: clamp(1rem, 2.4vw, 1.35rem);
    font-weight: 500;
    color: rgba(255,255,255,0.92);
    text-shadow: 0 1px 6px rgba(0,0,0,0.7);
    margin: 0 0 0.6rem;
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s 0.45s ease, transform 0.7s 0.45s ease;
}

.slide-cta {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.8rem 2rem;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    transition: transform 0.22s ease, box-shadow 0.22s ease, filter 0.22s ease;
    opacity: 0;
    transform: translateY(18px) scale(0.95);
    transition: opacity 0.65s 0.65s ease,
                transform 0.65s 0.65s ease,
                box-shadow 0.22s ease,
                filter 0.22s ease;
    will-change: transform;
}

/* Entrance animations fire when slide is active */
.slide.active .slide-title,
.slide.active .slide-sub,
.slide.active .slide-cta {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Hover interactions */
.slide-cta:hover,
.slide-cta:focus-visible {
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 14px 34px rgba(0,0,0,0.35);
    filter: brightness(1.08);
    outline: none;
}

/* ── Navigation arrows ────────────────────────────────────── */
.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background: rgba(255,255,255,0.12);
    border: 2px solid rgba(255,255,255,0.25);
    color: #fff;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 50%;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.slider-prev { left: 20px; }
.slider-next { right: 20px; }

.slider-prev:hover,
.slider-next:hover {
    background: rgba(255,255,255,0.28);
    border-color: rgba(255,255,255,0.6);
    transform: translateY(-50%) scale(1.12);
}

/* ── Dot pagination ───────────────────────────────────────── */
.slider-dots {
    position: absolute;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.45);
    border: 2px solid rgba(255,255,255,0.6);
    cursor: pointer;
    transition: background 0.3s, width 0.3s, border-radius 0.3s;
    padding: 0;
}

.slider-dot.active {
    background: #fff;
    width: 28px;
    border-radius: 5px;
}

/* ── Progress bar ─────────────────────────────────────────── */
.slider-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: var(--primary-color, #FF6600);
    z-index: 10;
    transition: width linear;
    /* duration controlled by JS */
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */

/* Tablet */
@media (max-width: 991px) {
    .hero-slider {
        height: 72vh;
        min-height: 400px;
    }
    .slider-prev,
    .slider-next {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* Mobile */
@media (max-width: 680px) {
    .hero-slider {
        height: 58vh;
        min-height: 320px;
    }
    .slide-content {
        padding: 1.2rem 1rem;
    }
    .slide-title {
        font-size: clamp(1.3rem, 7vw, 2rem);
    }
    .slide-sub {
        font-size: clamp(0.85rem, 4vw, 1.1rem);
    }
    .slide-cta {
        padding: 0.65rem 1.4rem;
        font-size: 0.85rem;
    }
    .slider-prev { left: 10px; }
    .slider-next { right: 10px; }
    .slider-prev,
    .slider-next {
        width: 36px;
        height: 36px;
    }
}

/* Very small phones */
@media (max-width: 400px) {
    .hero-slider {
        height: 52vh;
        min-height: 280px;
    }
}

/* ── Accessibility — reduced motion ───────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .slide-bg-img,
    .slide.active .slide-bg-img {
        transition: none;
        transform: none;
    }
    .slide,
    .slide-title,
    .slide-sub,
    .slide-cta {
        transition: opacity 0.3s ease !important;
        transform: none !important;
    }
}