/* =========================================================
   Verve Streetwear – Modern CSS with Glassmorphism
   ========================================================= */

:root {
    --primary-black: #000000;
    --secondary-gray: #1a1a1a;
    --accent-gray: #333333;
    --text-white: #ffffff;
    --text-gray: #cccccc;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    
    padding: 0;
    box-sizing: border-box;
overflow-clip-margin: unset;

}

body {
    margin: 0;
	margin: 0;
    font-family: 'Inter', sans-serif;
    background: var(--primary-black);
    color: var(--text-white);
    overflow-x: hidden;
    line-height: 1.6;
    min-height: 100vh;
}

main {
    width: 100%;
}



/* ---------  MOBILE  --------- */
@media (max-width: 768px) {
    .about-section,
    .products-section,
    .lookbook-section,
    footer {
        padding: 2rem 0.5rem;
    }
    
}

/* =========================================================
   GLASSMORPHISM
   ========================================================= */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.glass-light {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}
/* =========================================================
   FOOTER
   ========================================================= */
  .footer-section {
        padding: 2rem 1rem;
        background: var(--primary-black);
        color: var(--text-white);
        font-family: 'Poppins', sans-serif;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
        max-width: 1200px;
        margin: 0 auto;
        padding-bottom: 1rem;
    }
    .footer-column h3 {
        font-size: 1.25rem;
        font-weight: 600;
        margin-bottom: 1rem;
        color: var(--text-white);
    }
    .footer-column p {
        font-size: 0.9rem;
        line-height: 1.5;
        color: #ccc;
    }
    .footer-column ul {
        list-style: none;
        padding: 0;
    }
    .footer-column ul li {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
        color: #ccc;
    }
    .footer-column ul li a {
        color: #ccc;
        text-decoration: none;
        transition: color 0.3s ease;
    }
    .footer-column ul li a:hover {
        color: var(--text-white);
    }
    .socials {
        display: flex;
        gap: 1rem;
    }
    .social-link {
        color: #ccc;
        text-decoration: none;
        font-size: 0.9rem;
        transition: color 0.3s ease;
    }
    .social-link:hover {
        color: var(--text-white);
    }
    .footer-bottom {
        text-align: center;
        padding-top: 1rem;
        border-top: 1px solid var(--glass-border);
        font-size: 0.8rem;
        color: #999;
        margin-top: 2rem;
    }
    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-column {
            grid-column: span 2;
            text-align: center;
        }
        .socials {
            justify-content: center;
        }
    }
    @media (max-width: 640px) {
        .footer-grid{
        display: flex;
        flex-direction: column;

    }
        
    }

/* =========================================================
   NAVIGATION
   ========================================================= */
.nav-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    transition: var(--transition);
    background: transparent;
}

.nav-header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}
.nav-container {
    display: flex;
    justify-content:space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}
.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-white);
    text-decoration: none;
    transition: var(--transition);
}
.logo:hover {
    transform: scale(1.05);
}
.nav-links {
    
   
    gap: 2rem;
    list-style: none;
    display: flex;
    flex-grow: unset;
}
.nav-links a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--text-white), transparent);
    transition: width 0.4s ease;
}
.nav-links a:hover::after {
    width: 100%;
}
.nav-links a:hover {
    color: var(--text-gray);
    transform: translateY(-2px);
}

/* ---------  CART ICON  --------- */
.cart-icon {
    margin-left: 50px;
    position: relative;
    background: var(--glass-bg);
    padding: 0.75rem;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    right: 0;
    top: 0;
    z-index: 1100;
}

.cart-icon img {
    width: 24px;
    height: 24px;
}

.cart-icon:hover img {
    filter: invert(1);
}
.cart-icon:hover {
    background: var(--text-white);
    color: var(--primary-black);
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}
.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4757;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
}

/* =========================================================
   HERO
   ========================================================= */
.hero-slider {
    position: relative;
    height: 100vh;
    overflow: hidden;
}
.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out, transform 8s ease-in-out;
}
.hero-slide.active {
    opacity: 1;
    transform: scale(1.05);
}
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.6) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    z-index: 2;
}
.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(4rem, 8vw, 8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
    opacity: 1;
    transform: translateY(50px);
    transition: opacity 1s ease, transform 1s ease;
    background: linear-gradient(45deg, #ffffff, #cccccc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stripe-card-element {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-bottom: 20px;
}
.cta-button {
    padding: 1rem 2.5rem;
    background: var(--text-white);
    color: var(--primary-black);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: 50px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    opacity: 1;
    transform: translateY(30px);
    transition: all 0.3s ease, opacity 1s ease, transform 1s ease;
}
.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}
.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
  
    transition: left 0.5s;
}
.cta-button:hover::before {
    left: 100%;
}

/* =========================================================
   PRODUCTS
   ========================================================= */
.products-section {
    min-height: 400px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1800px;
    margin: 0 auto;
    justify-items: center;
}

.sold-out-message {
    text-align: center;
    padding: 6rem 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    margin: 2rem auto;
    max-width: 800px;
}

.product-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    opacity: 1;
    transform: translateY(30px);
    width: 100%;
    max-width: 600px;
  text-decoration: none;
    color: inherit;
}
.product-card:hover {
    transform: translateY(-10px);
 box-shadow: var(--glass-shadow);
   text-decoration: none;
}

/* Remove link styling from product cards */
.product-card:link,
.product-card:visited {
    color: var(--text-white);
    text-decoration: none;
}

.product-card:active {
    color: var(--text-white);

}
.product-image {
    width: 100%;
    height: 600px;
	
    object-fit: cover; /* Zmienione z cover na contain - cały obraz widoczny */
overflow-clip-margin: unset;
	    background: rgba(20, 20, 25, 0.5); /* Tło dla pustych miejsc */
    transition: var(--transition);
}
.product-card:hover .product-image {
    transform: scale(1.05);
}



/* ---------  STOCK BADGE  --------- */
.stock-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 10;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stock-badge.stock-low {
    background: linear-gradient(135deg, rgba(255, 71, 87, 0.9), rgba(255, 107, 107, 0.9));
    color: white;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(255, 71, 87, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(255, 71, 87, 0.6);
    }
}

.product-info {
    padding: 1rem;
}
.product-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.product-price {
    color: var(--text-gray);
    font-size: 1.1rem;
    font-weight: 500;
}
.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4rem;
    opacity: 1;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* =========================================================
   ABOUT
   ========================================================= */
.about-section {
    position: relative;
    overflow: hidden;
}
.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.9));
    z-index: -1;
}
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}
.about-title {
    font-family: 'Poppins', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-gray);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}

/* =========================================================
   LOOKBOOK
   ========================================================= */
.lookbook-section {
    
    position: relative;
    height: 80vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed
}
.lookbook-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.7));
}
.lookbook-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
}
.lookbook-title {
    font-family: 'Poppins', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.lookbook-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
}

/* =========================================================
   CART SIDEBAR
   ========================================================= */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    max-width: 100vw;
    height: 100vh;
    background: var(--secondary-gray);
    z-index: 2000;
    transition: right 0.4s ease;
    padding: 2rem;
    overflow-y: auto;
}
.cart-sidebar.active {
    right: 0;
}
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}
.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}
.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}
.cart-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
}
.cart-close {
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}
.cart-items {
    margin-bottom: 2rem;
}
.cart-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--accent-gray);
}
.cart-item-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 10px;
}
.cart-item-details {
    flex: 1;
}
.cart-item-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.cart-item-price {
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}
.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.quantity-btn {
    background: var(--accent-gray);
    border: none;
    color: var(--text-white);
    width: 30px;
    height: 30px;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.quantity-btn:hover {
    background: var(--text-white);
    color: var(--primary-black);
}
.cart-summary {
    border-top: 1px solid var(--accent-gray);
    padding-top: 2rem;
}
.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    font-weight: 600;
}
.checkout-btn {
    width: 100%;
    padding: 1rem;
    background: var(--text-white);
    color: var(--primary-black);
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}
.remove-btn {
        background: #ff4757;
        color: var(--text-white);
        border: none;
        border-radius: 5px;
        padding: 0.5rem;
        cursor: pointer;
        transition: var(--transition);
    }
    .remove-btn:hover {
        background: #e63946;
        transform: scale(1.1);
    }
    /* =========================================================
    CONTACT CARD
   ========================================================= */
    .contact-card {
       
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
       
        box-shadow: var(--glass-shadow);
        border-radius: 20px;
        padding: 2rem;
        max-width: 500px;
        margin: 2rem auto;
        text-align: center;
    }
    .contact-card p {
        font-size: 1.1rem;
        color: var(--text-gray);
        margin: 0.75rem 0;
        line-height: 1.6;
    }
    .contact-card strong {
        color: var(--text-white);
        font-weight: 600;
    }
    @media (max-width: 768px) {
/* ---------  PRODUCT IMAGE WRAPPER  --------- */
.product-image-wrapper {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
background: rgba(20, 20, 25, 0.5); /* Tło kontenera */
}
        .contact-card {
            padding: 1.5rem;
            margin: 1rem;
        }
        .contact-card p {
            font-size: 1rem;
        }
    }
    /* =========================================================
        CUSTOMER PHOTOS SCROLLER
   ========================================================= */
   
    .customer-photos-section{
  padding: 4rem 0;
  overflow: hidden;
  background: #111;
  text-align: center;
}
.section-title{
 font-family: 'Poppins', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.customer-photos-section {
  padding: 4rem 0;
  background: #111;
  overflow: hidden;
  text-align: center;
}

.photos-roller {
  padding: 2rem 0;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.photos-grid {
  display: flex;
  gap: 1rem;
  animation: scroll-infinite 40s linear infinite;
  will-change: transform;
  width: max-content;
}

.photos-grid:hover {
  animation-play-state: paused;
}

.customer-photo {
  width: 220px;
  height: 220px;
  object-fit: cover;
  border-radius: 1rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  flex-shrink: 0;
}

.customer-photo:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

@keyframes scroll-infinite {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(-50% - 0.5rem));
  }
}
.photos-bubble{
  display: inline-block;
  margin-top: 1.5rem;
  padding: .5rem 1.2rem;
  background: rgba(255,255,255,.15);
  border-radius: 999px;
  font-size: .8rem;
  color: #fff;
  backdrop-filter: blur(10px);
}



/* =========================================================
   MOBILE ONLY
   ========================================================= */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero-title {
        font-size: 3rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .products-grid {
        grid-template-columns: 1fr;
    }
/* Fix dla zdjęć produktów na mobile */
    .product-image
    {
        height: 450px; /* Mniejsza wysokość na mobile */
    }
    .product-image {
        object-fit: cover; /* Cały obraz widoczny */
	object-position: 50% -80px;
    }
    .photos-grid {
        animation: scroll-infinite 25s linear infinite;
    }
	 
    
    .customer-photo {
        width: 180px;
        height: 180px;
    }
    .cart-sidebar {
        width: 100vw;
        right: -100vw;
    }
    .about-title,
    .lookbook-title {
        font-size: 2.5rem;
    }
    
    /* Stock badge responsive */
    .stock-badge {
        top: 10px;
        right: 10px;
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }
    
    .product-image-wrapper {
        height: 350px;
    }
}

/* =========================================================
   ANIMATIONS & ACCESSIBILITY
   ========================================================= */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}
/* =========  unified wrapper – EVERY section  ========= */
.about-section,
.products-section,
.lookbook-section,
.footer-section {
    padding: 6rem 4rem;          /* top/bot 6rem , left/right 4rem */
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}
.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.8rem;
    color: var(--text-gray);
}

/* =========  mobile gutters  ========= */
@media (max-width: 768px) {
    .about-section,
    .products-section,
    .lookbook-section,
    .footer-section {
        padding: 3rem 1rem;
    }
    .footer-grid{
        display: flex;
        flex-direction: column;

    }
}
/* Add to app.css under an appropriate section (e.g., after CART SIDEBAR) */

/* =========================================================
   TOAST NOTIFICATIONS
   ========================================================= */
.toast-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    min-width: 280px;
    max-width: 400px;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: 1px solid;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    z-index: 10000;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transform: translateX(450px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.toast-notification.show {
    transform: translateX(0);
    opacity: 1;
}

/* Responsive na mobile */
@media (max-width: 640px) {
    .toast-notification {
        top: 10px;
        right: 10px;
        left: 10px;
        min-width: auto;
        max-width: none;
        transform: translateY(-120px);
    }
    
    .toast-notification.show {
        transform: translateY(0);
    }
}

/* =========================================================
   CONTACT FORM
   ========================================================= */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    color: #fff;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.05);
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-divider {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 2rem;
    color: #10b981;
}

.alert-error {
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 2rem;
    color: #dc2626;
}

.alert-error ul {
    margin: 0;
    padding-left: 1.5rem;
}

/* =========================================================
   PROGRESSIVE IMAGE LOADING - Blur Up Effect
   ========================================================= */