/* =========================================================
   SIVARRA — animations.css
   All keyframe animations, scroll-triggered reveal
   transitions, and the prefers-reduced-motion override.
   Loaded last so transition properties can override
   component defaults where needed.
   ========================================================= */

/* ----- Hero seal rotation ----- */
.hero-seal {
    animation: rotate 32s linear infinite;
}

@keyframes rotate {
    to {
        transform: rotate(360deg);
    }
}

/* ----- Hero scroll indicator ----- */
.hero-scroll-line::after {
    content: '';
    position: absolute;
    top: -50%;
    left: 0;
    width: 1px;
    height: 50%;
    background: var(--gold-2);
    animation: scrollDot 2.4s ease-in-out infinite;
}

@keyframes scrollDot {
    0% {
        top: -50%;
    }

    100% {
        top: 100%;
    }
}

/* ----- WhatsApp pulse ring ----- */
.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: -8px;
    border: 1px solid var(--hairline);
    border-radius: 50%;
    animation: wa-pulse 2.4s ease-out infinite;
    pointer-events: none;
}

@keyframes wa-pulse {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }

    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

/* =========================================================
   SCROLL REVEAL
   Applied via IntersectionObserver in scroll-reveal.js.
   Elements start invisible + shifted down, then transition
   to their natural position when .in is added.
   ========================================================= */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.2, 0.65, 0.2, 1),
        transform 1s cubic-bezier(0.2, 0.65, 0.2, 1);
}

.reveal.in {
    opacity: 1;
    transform: translateY(0);
}

.reveal.d1 {
    transition-delay: 0.1s;
}

.reveal.d2 {
    transition-delay: 0.2s;
}

.reveal.d3 {
    transition-delay: 0.3s;
}

.reveal.d4 {
    transition-delay: 0.4s;
}

/* =========================================================
   MOBILE PERFORMANCE & JANK REDUCTION (< 768px)
   ========================================================= */
@media (max-width: 768px) {
    .hero-seal {
        display: none !important;
        animation: none !important;
    }

    .whatsapp-float::before {
        animation: none !important;
        display: none;
    }

    .hero-scroll-line::after {
        animation-duration: 3.5s;
    }

    .reveal {
        transform: translateY(18px);
        transition: opacity 0.75s cubic-bezier(0.2, 0.65, 0.2, 1),
            transform 0.75s cubic-bezier(0.2, 0.65, 0.2, 1);
    }
}

/* =========================================================
   REDUCED MOTION — kill all animation gracefully
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .hero-scroll-line::after {
        animation: none;
    }

    .whatsapp-float::before {
        animation: none;
    }

    .hero-seal {
        animation: none;
    }

    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}