/* ===================================================
   NIS2 Portugal — Micro-interactions & Animations
   =================================================== */

/* --------------------------------------------------
   1. Scroll-triggered fade-up animation
   -------------------------------------------------- */
.animate-fadeup {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-fadeup.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------------------------
   2. Stagger animations for card grids
   -------------------------------------------------- */
.stagger-grid > *:nth-child(1)  { transition-delay: 0ms; }
.stagger-grid > *:nth-child(2)  { transition-delay: 100ms; }
.stagger-grid > *:nth-child(3)  { transition-delay: 200ms; }
.stagger-grid > *:nth-child(4)  { transition-delay: 300ms; }
.stagger-grid > *:nth-child(5)  { transition-delay: 400ms; }
.stagger-grid > *:nth-child(6)  { transition-delay: 500ms; }
.stagger-grid > *:nth-child(7)  { transition-delay: 600ms; }
.stagger-grid > *:nth-child(8)  { transition-delay: 700ms; }

/* --------------------------------------------------
   3. Card hover enhancements
   -------------------------------------------------- */
.card,
.template-card,
.overview-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover,
.template-card:hover,
.overview-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
}

/* --------------------------------------------------
   4. Floating decorative elements
   -------------------------------------------------- */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50%       { transform: translateY(-10px) rotate(1deg); }
}

.floating      { animation: float 6s ease-in-out infinite; }
.floating-slow { animation: float 10s ease-in-out infinite; }

/* --------------------------------------------------
   5. Button press feedback
   -------------------------------------------------- */
.btn,
button[class*="btn"] {
    transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.btn:active,
button[class*="btn"]:active {
    transform: scale(0.97);
}

/* --------------------------------------------------
   6. Smooth underline on links in content areas
   -------------------------------------------------- */
main a:not(.btn):not([class*="card"]):not(.dropdown-trigger) {
    background-image: linear-gradient(to right, currentColor 0%, currentColor 100%);
    background-repeat: no-repeat;
    background-size: 0% 1px;
    background-position: left bottom;
    transition: background-size 0.3s ease;
    text-decoration: none;
}

main a:not(.btn):not([class*="card"]):not(.dropdown-trigger):hover {
    background-size: 100% 1px;
}

/* --------------------------------------------------
   7. Gradient shimmer on primary / download buttons
   -------------------------------------------------- */
.btn-primary,
.template-download,
.template-download-btn {
    position: relative;
    overflow: hidden;
}

.btn-primary::before,
.template-download::before,
.template-download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s ease;
    pointer-events: none;
}

.btn-primary:hover::before,
.template-download:hover::before,
.template-download-btn:hover::before {
    left: 100%;
}

/* --------------------------------------------------
   8. Number counter / stat animation
   -------------------------------------------------- */
@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.count-stat {
    animation: countUp 0.8s ease 0.3s backwards;
}

/* --------------------------------------------------
   9. Respect user's reduced-motion preference
   -------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }

    .animate-fadeup {
        opacity: 1;
        transform: none;
    }
}