/* ========================================
   Subtile animasjoner - FosenDeler
   ======================================== */

/* Fade-in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Staggered fade-in for lists */
.fade-in-stagger {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.fade-in-stagger.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth hover effects */
.btn {
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.15);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(30, 58, 95, 0.1);
}

/* Card hover effects */
.product-card,
.feature-card,
.benefit-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.product-card:hover,
.feature-card:hover,
.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* Nav link underline animation */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-blue-900);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Hero content fade-in */
.hero-content {
    animation: heroFadeIn 0.8s ease-out;
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* CTA button subtle pulse */
.btn-accent {
    animation: subtlePulse 2s ease-in-out infinite;
}

@keyframes subtlePulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(30, 58, 95, 0);
    }
    50% {
        box-shadow: 0 0 0 4px rgba(30, 58, 95, 0.1);
    }
}

/* Product table row hover */
.product-table tr {
    transition: background-color 0.2s ease;
}

/* Form input focus animation */
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.1);
}

/* Logo subtle hover */
.logo {
    transition: opacity 0.2s ease;
}

.logo:hover {
    opacity: 0.8;
}

/* Footer link hover */
.footer-links a {
    transition: color 0.2s ease, transform 0.2s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-blue-900);
    transform: translateX(4px);
}

/* Page header animation */
.page-header {
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Quality icon hover */
.quality-icon,
.quality-icon-small {
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.quality-item:hover .quality-icon,
.quality-item-compact:hover .quality-icon-small {
    transform: scale(1.05);
    background-color: var(--color-blue-800);
}

/* Registered products list animation */
.registered-products li {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Remove button hover */
.btn-remove {
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn-remove:hover {
    transform: rotate(90deg);
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Loading state for form submit */
.btn-full:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}