/* ============================================================
   SpecEdu animations
   - Subtle scroll-triggered reveals via .fade-up / .fade-up-stagger
   - Card hover lift, smooth in-page anchor scrolling
   - Fully disabled on mobile (<= 767.98px) and on prefers-reduced-motion
   ============================================================ */

html {
    scroll-behavior: smooth;
}

/* --- Initial hidden state for scroll-reveal elements --- */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
    will-change: opacity, transform;
}

.fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 0.6s ease-out;
    will-change: opacity;
}

.fade-in.is-visible {
    opacity: 1;
}

/* --- Staggered children inside a .fade-up-stagger parent --- */
.fade-up-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.22, 0.61, 0.36, 1),
                transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.fade-up-stagger.is-visible > * {
    opacity: 1;
    transform: translateY(0);
}

.fade-up-stagger.is-visible > *:nth-child(1) { transition-delay: 0s; }
.fade-up-stagger.is-visible > *:nth-child(2) { transition-delay: 0.08s; }
.fade-up-stagger.is-visible > *:nth-child(3) { transition-delay: 0.16s; }
.fade-up-stagger.is-visible > *:nth-child(4) { transition-delay: 0.24s; }
.fade-up-stagger.is-visible > *:nth-child(5) { transition-delay: 0.32s; }
.fade-up-stagger.is-visible > *:nth-child(6) { transition-delay: 0.40s; }
.fade-up-stagger.is-visible > *:nth-child(7) { transition-delay: 0.48s; }
.fade-up-stagger.is-visible > *:nth-child(8) { transition-delay: 0.56s; }

/* --- Card hover lift (devices that actually have hover) --- */
.spec-card,
.spec-mini-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

@media (hover: hover) and (pointer: fine) {
    .spec-card:hover,
    .spec-mini-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.10),
                    0 8px 10px -6px rgba(0, 0, 0, 0.05);
    }
}

/* --- Subtle button press feedback --- */
.btn {
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

@media (hover: hover) and (pointer: fine) {
    .btn:active {
        transform: translateY(1px);
    }
}

/* --- Initial hero entrance (plays once on page load) --- */
@keyframes spec-hero-rise {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.spec-hero-caption .spec-hero-badge,
.spec-hero-caption .spec-hero-title,
.spec-hero-caption .spec-hero-text,
.spec-hero-caption .spec-hero-actions {
    animation: spec-hero-rise 0.7s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.spec-hero-caption .spec-hero-title { animation-delay: 0.10s; }
.spec-hero-caption .spec-hero-text  { animation-delay: 0.20s; }
.spec-hero-caption .spec-hero-actions { animation-delay: 0.30s; }

/* --- Anchor link underline animation in header (modern look) --- */
.spec-nav-link {
    position: relative;
}

@media (min-width: 992px) and (hover: hover) and (pointer: fine) {
    .spec-nav-link::after {
        content: "";
        position: absolute;
        left: 12px;
        right: 12px;
        bottom: 6px;
        height: 2px;
        background-color: var(--spec-primary);
        transform: scaleX(0);
        transform-origin: left center;
        transition: transform 0.25s ease;
    }

    .spec-nav-link:hover::after,
    .spec-nav-link.active::after {
        transform: scaleX(1);
    }
}

/* ============================================================
   Mobile: disable scroll-triggered animations entirely.
   Elements remain visible from the start so there's no flash
   or perceived jank on small touch screens.
   ============================================================ */
@media (max-width: 767.98px) {
    .fade-up,
    .fade-in,
    .fade-up-stagger > * {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
        animation: none !important;
    }

    .spec-hero-caption .spec-hero-badge,
    .spec-hero-caption .spec-hero-title,
    .spec-hero-caption .spec-hero-text,
    .spec-hero-caption .spec-hero-actions {
        animation: none !important;
    }
}

/* ============================================================
   Accessibility: respect user preference for reduced motion.
   Disables every motion on every breakpoint.
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }

    .fade-up,
    .fade-in,
    .fade-up-stagger > * {
        opacity: 1 !important;
        transform: none !important;
    }
}