/* Slider Immagini – Frontend CSS – v1.3.0 */

.sik-slider {
    position: relative;
    width: 100%;
    height: var(--sik-h, 500px);
    overflow: hidden;
    background: #111;
    -webkit-user-select: none;
    user-select: none;
}

.sik-track { position: relative; width: 100%; height: 100%; }

/* ============================================================
   SLIDE BASE
   ============================================================ */
.sik-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    z-index: 1;
}

.sik-slide.sik-active  { z-index: 2; }
.sik-slide.sik-leaving { z-index: 2; pointer-events: none; }

.sik-overlay { position: absolute; inset: 0; pointer-events: none; z-index: 3; }

.sik-content {
    position: absolute;
    inset: 0;
    z-index: 4;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px 80px;
}
.sik-align-center { align-items: center; text-align: center; }
.sik-align-left   { align-items: flex-start; text-align: left; }
.sik-align-right  { align-items: flex-end; text-align: right; }

/* ============================================================
   TRANSIZIONE: FADE (default)
   ============================================================ */
.sik-slider[data-transition="fade"] .sik-slide {
    opacity: 0;
    transition: opacity 0.85s ease;
}
.sik-slider[data-transition="fade"] .sik-slide.sik-active {
    opacity: 1;
}

/* ============================================================
   TRANSIZIONE: SLIDE ORIZZONTALE
   ============================================================ */
.sik-slider[data-transition="slide"] .sik-slide {
    opacity: 1;
    transform: translateX(100%);
    transition: transform 0.7s cubic-bezier(0.77, 0, 0.175, 1);
}
.sik-slider[data-transition="slide"] .sik-slide.sik-active {
    transform: translateX(0);
}
.sik-slider[data-transition="slide"] .sik-slide.sik-leaving {
    transform: translateX(-100%);
}
.sik-slider[data-transition="slide"] .sik-slide.sik-prev-leaving {
    transform: translateX(100%);
}

/* ============================================================
   TRANSIZIONE: ZOOM
   ============================================================ */
.sik-slider[data-transition="zoom"] .sik-slide {
    opacity: 0;
    transform: scale(1.06);
    transition: opacity 0.75s ease, transform 0.75s ease;
}
.sik-slider[data-transition="zoom"] .sik-slide.sik-active {
    opacity: 1;
    transform: scale(1);
}
.sik-slider[data-transition="zoom"] .sik-slide.sik-leaving {
    opacity: 0;
    transform: scale(0.96);
}

/* ============================================================
   TRANSIZIONE: SLIDE VERTICALE
   ============================================================ */
.sik-slider[data-transition="slideup"] .sik-slide {
    opacity: 1;
    transform: translateY(100%);
    transition: transform 0.7s cubic-bezier(0.77, 0, 0.175, 1);
}
.sik-slider[data-transition="slideup"] .sik-slide.sik-active {
    transform: translateY(0);
}
.sik-slider[data-transition="slideup"] .sik-slide.sik-leaving {
    transform: translateY(-100%);
}
.sik-slider[data-transition="slideup"] .sik-slide.sik-prev-leaving {
    transform: translateY(100%);
}

/* ============================================================
   ANIMAZIONI TESTO
   I testi sono invisibili di default quando è impostata
   un'animazione, poi entrano quando la slide è attiva.
   Titolo, sottotitolo e pulsante con ritardo progressivo.
   ============================================================ */

/* Fade dal basso */
.sik-slider[data-anim="fadeup"] .sik-title,
.sik-slider[data-anim="fadeup"] .sik-subtitle,
.sik-slider[data-anim="fadeup"] .sik-btn {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.sik-slider[data-anim="fadeup"] .sik-slide.sik-active .sik-title    { opacity:1; transform:translateY(0); transition-delay:0.15s; }
.sik-slider[data-anim="fadeup"] .sik-slide.sik-active .sik-subtitle { opacity:1; transform:translateY(0); transition-delay:0.3s;  }
.sik-slider[data-anim="fadeup"] .sik-slide.sik-active .sik-btn      { opacity:1; transform:translateY(0); transition-delay:0.45s; }

/* Fade da sinistra */
.sik-slider[data-anim="fadeleft"] .sik-title,
.sik-slider[data-anim="fadeleft"] .sik-subtitle,
.sik-slider[data-anim="fadeleft"] .sik-btn {
    opacity: 0;
    transform: translateX(-32px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.sik-slider[data-anim="fadeleft"] .sik-slide.sik-active .sik-title    { opacity:1; transform:translateX(0); transition-delay:0.15s; }
.sik-slider[data-anim="fadeleft"] .sik-slide.sik-active .sik-subtitle { opacity:1; transform:translateX(0); transition-delay:0.3s;  }
.sik-slider[data-anim="fadeleft"] .sik-slide.sik-active .sik-btn      { opacity:1; transform:translateX(0); transition-delay:0.45s; }

/* Zoom in */
.sik-slider[data-anim="zoomin"] .sik-title,
.sik-slider[data-anim="zoomin"] .sik-subtitle,
.sik-slider[data-anim="zoomin"] .sik-btn {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.55s ease, transform 0.55s ease;
}
.sik-slider[data-anim="zoomin"] .sik-slide.sik-active .sik-title    { opacity:1; transform:scale(1); transition-delay:0.15s; }
.sik-slider[data-anim="zoomin"] .sik-slide.sik-active .sik-subtitle { opacity:1; transform:scale(1); transition-delay:0.3s;  }
.sik-slider[data-anim="zoomin"] .sik-slide.sik-active .sik-btn      { opacity:1; transform:scale(1); transition-delay:0.45s; }

/* Fade dall'alto */
.sik-slider[data-anim="fadedown"] .sik-title,
.sik-slider[data-anim="fadedown"] .sik-subtitle,
.sik-slider[data-anim="fadedown"] .sik-btn {
    opacity: 0;
    transform: translateY(-28px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.sik-slider[data-anim="fadedown"] .sik-slide.sik-active .sik-title    { opacity:1; transform:translateY(0); transition-delay:0.15s; }
.sik-slider[data-anim="fadedown"] .sik-slide.sik-active .sik-subtitle { opacity:1; transform:translateY(0); transition-delay:0.3s;  }
.sik-slider[data-anim="fadedown"] .sik-slide.sik-active .sik-btn      { opacity:1; transform:translateY(0); transition-delay:0.45s; }

/* ============================================================
   TITOLI
   ============================================================ */
.sik-title {
    margin: 0 0 12px 0;
    padding: 0;
    font-weight: 800;
    line-height: 1.1;
    max-width: 860px;
    text-shadow: 2px 2px 0 rgba(0,0,0,0.6), 4px 4px 14px rgba(0,0,0,0.7);
}
h1.sik-title { font-size: clamp(30px, 5.5vw, 68px); }
h2.sik-title { font-size: clamp(24px, 4.2vw, 52px); }
h3.sik-title { font-size: clamp(18px, 3vw,   38px); }

/* Sottotitolo */
.sik-subtitle {
    margin: 0 0 26px 0;
    padding: 0;
    font-weight: 500;
    line-height: 1.5;
    max-width: 680px;
    text-shadow: 1px 1px 0 rgba(0,0,0,0.6), 2px 2px 9px rgba(0,0,0,0.7);
}
p.sik-subtitle  { font-size: clamp(13px, 2.2vw, 24px); }
h2.sik-subtitle { font-size: clamp(20px, 3.2vw, 40px); font-weight: 700; }
h3.sik-subtitle { font-size: clamp(16px, 2.6vw, 30px); font-weight: 600; }

/* Pulsante */
.sik-btn {
    display: inline-block;
    padding: 13px 34px;
    border-radius: 4px;
    color: #ffffff !important;
    font-size: clamp(12px, 1.5vw, 17px);
    font-weight: 700;
    text-decoration: none !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.4);
    box-shadow: 0 4px 14px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.18);
    transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
}
.sik-btn:hover, .sik-btn:focus {
    transform: translateY(-2px);
    filter: brightness(1.12);
    box-shadow: 0 8px 22px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.18);
}
.sik-btn:active { transform: translateY(0); }

/* ============================================================
   FRECCE
   ============================================================ */
.sik-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background: rgba(0,0,0,0.42);
    border: 2px solid rgba(255,255,255,0.28);
    color: #ffffff;
    width: 48px; height: 48px;
    border-radius: 50%;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background 0.2s, border-color 0.2s;
}
.sik-arrow:hover { background: rgba(0,0,0,0.72); border-color: rgba(255,255,255,0.7); }
.sik-prev { left: 18px; }
.sik-next { right: 18px; }

/* ============================================================
   DOTS
   ============================================================ */
.sik-dots {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 5px;
    align-items: center;
}
.sik-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,0.35);
    border: 1px solid rgba(255,255,255,0.45);
    padding: 0;
    cursor: pointer;
    transition: background 0.25s, transform 0.25s;
}
.sik-dot.sik-dot-on { background: #ffffff; transform: scale(1.4); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .sik-slider  { height: calc(var(--sik-h, 500px) * 0.65) !important; }
    .sik-content { padding: 24px 24px; }
    .sik-arrow   { width: 38px; height: 38px; font-size: 22px; }
    .sik-prev    { left: 8px; }
    .sik-next    { right: 8px; }
    .sik-subtitle { max-width: 100%; }
}
@media (max-width: 480px) {
    .sik-slider  { height: calc(var(--sik-h, 500px) * 0.48) !important; }
    .sik-content { padding: 14px 16px; }
    .sik-btn     { padding: 8px 18px; }
    .sik-dots    { bottom: 7px; gap: 4px; }
    .sik-dot     { width: 5px; height: 5px; }
    .sik-arrow   { width: 32px; height: 32px; font-size: 18px; }
    .sik-prev    { left: 6px; }
    .sik-next    { right: 6px; }
}