/**
 * SD Theme Premium Animations & Micro-Interactions
 * 
 * Elegant transitions, glassmorphism overlays and interactive glows.
 */

/* ==========================================================================
   1. Transições Suaves Padrão
   ========================================================================== */
a, button, select, input, .sd-btn, .sd-blog-card {
    transition: all var(--sd-transition-smooth) cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   2. Efeito UICore Glassmorphic (Desfoque de fundo)
   ========================================================================== */
.sd-blur-backdrop {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.dark-mode .sd-blur-backdrop {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   3. Animações de Entrada (Entrada Suave)
   ========================================================================== */
.sd-animate-fade-in {
    animation: sdFadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.sd-animate-fade-in-delayed {
    opacity: 0;
    animation: sdFadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

@keyframes sdFadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   4. Efeito de Brilho Dinâmico (Glow Circle Effect para Cards e Botões)
   ========================================================================== */
.sd-glow-button {
    position: relative;
    overflow: hidden;
}

.sd-glow-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 70%);
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.5s ease-out;
    pointer-events: none;
    border-radius: 50%;
}

.sd-glow-button:hover::after {
    transform: translate(-50%, -50%) scale(1);
}

/* ==========================================================================
   5. Animação Liquid Floating (Efeito de flutuação suave)
   ========================================================================== */
.sd-floating-element {
    animation: sdFloat 6s ease-in-out infinite;
}

@keyframes sdFloat {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-12px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* ==========================================================================
   6. Custom Glow Glow-Cards
   ========================================================================== */
.sd-premium-glow-card {
    position: relative;
    background: #ffffff;
    border-radius: var(--sd-radius-lg);
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 4px 20px -2px rgba(99, 102, 241, 0.05);
}

.sd-premium-glow-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: linear-gradient(135deg, var(--sd-color-primary), var(--sd-color-secondary));
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.sd-premium-glow-card:hover::before {
    opacity: 1;
}

.sd-premium-glow-card:hover {
    box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.25);
    border-color: transparent;
}