/* ============================================
   BALDAUF V2 - ANIMATIONS
   Smooth transitions and effects
   ============================================ */

/* Fade in on load */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide in from left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide in from right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Pulse effect */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Bounce */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Scale in */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ============================================
   APPLY ANIMATIONS
   ============================================ */

.header {
    animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero {
    animation: fadeIn 1s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.hero-content h1 {
    animation: fadeIn 1s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.hero-image {
    animation: slideInRight 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.designer-column {
    animation: fadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.designer-column:nth-child(1) { animation-delay: 0.1s; }
.designer-column:nth-child(2) { animation-delay: 0.2s; }
.designer-column:nth-child(3) { animation-delay: 0.3s; }

.feature-card {
    animation: scaleIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.feature-card:nth-child(n) {
    animation-delay: calc(0.1s * var(--i, 1));
}

/* ============================================
   HOVER & INTERACTIVE EFFECTS
   ============================================ */

button {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

button:active {
    transform: scale(0.98);
}

.option-btn:hover,
.template-btn:hover,
.stone-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.feature-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.gallery-item {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.gallery-item img {
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* ============================================
   LOADING STATES
   ============================================ */

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: loading 2s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ============================================
   SMOOTH SCROLLING
   ============================================ */

html {
    scroll-behavior: smooth;
}

/* ============================================
   FOCUS STATES (Accessibility)
   ============================================ */

button:focus,
input:focus,
select:focus,
a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   TRANSITIONS
   ============================================ */

a,
button,
input,
select {
    transition: all 0.2s ease;
}