/* =========================================
   Animation System
========================================= */

/* Ambient Steam Gradient Background */
.steam-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(198, 124, 78, 0.05), transparent 60%);
    pointer-events: none;
    z-index: 0;
    animation: steamDrift 20s infinite alternate ease-in-out;
}

@keyframes steamDrift {
    0% { transform: scale(1) translate(0, 0); opacity: 0.5; }
    50% { transform: scale(1.1) translate(2%, -2%); opacity: 0.8; }
    100% { transform: scale(1) translate(-2%, 2%); opacity: 0.5; }
}

/* Fade In Up (Scroll Animation) */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Nav Link Underline Hover */
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-primary);
    transition: width 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 0 8px rgba(198, 124, 78, 0.6);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Button Hover Effects */
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(198, 124, 78, 0.25);
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-highlight));
    color: var(--bg-primary);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Coffee Card Hover Effects */
.coffee-card {
    transition: transform 0.5s ease, box-shadow 0.5s ease, border-color 0.5s ease;
}

.coffee-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
    border-color: rgba(198, 124, 78, 0.2);
}

.coffee-card .card-image-wrap img {
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.coffee-card:hover .card-image-wrap img {
    transform: scale(1.05);
}

/* Image loading overlay fade */
.lazy-image {
    opacity: 0;
    transition: opacity 0.5s ease-in;
}

.lazy-image.loaded {
    opacity: 1;
}

/* Card Stagger Setup */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }