* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ===== UTILITY CLASSES ===== */
.hover-lift:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15) !important;
}

.hover-scale:hover {
    transform: scale(1.08);
}

.btn-hover::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-hover:hover::before {
    width: 300px;
    height: 300px;
}

/* ===== HEADER ===== */
.worder-header {
    background: linear-gradient(135deg, #159895 0%, #0f7a6f 100%);
    box-shadow: 0 4px 20px rgba(21, 152, 149, 0.25);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid #0f7a6f;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 70px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    color: white;
    font-weight: 900;
    font-size: 1.8rem;
    z-index: 1002;
    white-space: nowrap;
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #ffffff 0%, #e8f5f4 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #159895;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.logo-link:hover .logo-icon {
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
    display: flex;
    align-items: center;
}

.nav-link:hover {
    color: #e8f5f4;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #ffffff 0%, #e8f5f4 100%);
    transition: width 0.3s ease;
}

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

.dropdown {
    position: relative;
    cursor: pointer;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-toggle i {
    font-size: 0.7rem;
    transition: transform 0.3s;
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: white;
    min-width: 250px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    list-style: none;
    z-index: 1001;
    border: 2px solid #159895;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: white;
    border-top: 2px solid #159895;
    border-left: 2px solid #159895;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(15px);
}

.dropdown-item {
    display: block;
    padding: 0.8rem 1.5rem;
    color: #333;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s;
    border-bottom: 1px solid #f0f0f0;
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: linear-gradient(135deg, rgba(21, 152, 149, 0.08) 0%, rgba(15, 122, 111, 0.08) 100%);
    color: #159895;
    padding-left: 1.8rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1003;
    padding: 5px;
    background: none;
    border: none;
}

.bar {
    width: 28px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

@media (max-width: 992px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: linear-gradient(135deg, #159895 0%, #0f7a6f 100%);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem 2rem;
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.2);
        transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        gap: 0;
        z-index: 2000;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        color: white;
        font-size: 1.1rem;
        width: 100%;
        padding: 1rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        display: block;
    }

    .nav-link::after {
        display: none;
    }

    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        background: rgba(255, 255, 255, 0.1);
        width: 100%;
        display: none;
        padding: 0;
        border-radius: 8px;
        margin-top: 0.5rem;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .dropdown-menu::before {
        display: none;
    }

    .dropdown.active .dropdown-menu {
        display: block;
        animation: fadeInUp 0.3s ease;
    }

    .dropdown-item {
        color: white;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .dropdown-item:hover {
        background: rgba(255, 255, 255, 0.15);
        color: #e8f5f4;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1001;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
    }

    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* ===== ORDER SECTION ===== */
.order-section {
    padding: 3rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    animation: fadeInUp 0.6s ease-out;
}

.order-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 900;
    color: #159895;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: fadeInDown 0.6s ease-out;
}

.section-divider {
    width: 100px;
    height: 4px;
    background: linear-gradient(135deg, #159895 0%, #0f7a6f 100%);
    border-radius: 2px;
    margin: 0 auto 3rem;
    box-shadow: 0 2px 10px rgba(21, 152, 149, 0.3);
}

/* ===== FORM CARD ===== */
.order-form-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid #159895;
    animation: slideInLeft 0.6s ease-out;
    margin-bottom: 3rem;
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #159895;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-input-wrapper {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: #159895;
    box-shadow: 0 0 0 3px rgba(21, 152, 149, 0.1);
}

.form-input.error {
    border-color: #ff6b35;
    background-color: rgba(255, 107, 53, 0.05);
}

.form-input.error:focus {
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.input-message {
    display: none;
    position: absolute;
    top: -45px;
    left: 0;
    background: white;
    border: 2px solid #ff6b35;
    border-radius: 8px;
    padding: 0.8rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #ff6b35;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    z-index: 10;
    animation: fadeInDown 0.3s ease-out;
}

.input-message.show {
    display: block;
}

/* ===== SIZE SELECTOR ===== */
.size-selector {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.size-btn {
    padding: 0.6rem 1rem;
    border: 2px solid #ddd;
    background: white;
    color: #333;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.size-btn:hover {
    border-color: #159895;
    color: #159895;
}

.size-btn.active {
    background: linear-gradient(135deg, #159895 0%, #0f7a6f 100%);
    color: white;
    border-color: #159895;
    box-shadow: 0 4px 12px rgba(21, 152, 149, 0.3);
}

.size-custom-input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    margin-top: 0.5rem;
}

/* ===== COLOR SELECTOR ===== */
.color-selector {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.color-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 3px solid #ddd;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.color-btn:hover {
    transform: scale(1.1);
    border-color: #159895;
}

.color-btn.active {
    border-color: #159895;
    box-shadow: 0 0 0 3px rgba(21, 152, 149, 0.3);
    transform: scale(1.15);
}

.color-btn.black { background: #000; }
.color-btn.white { background: #fff; border-color: #ccc; color: #333; }
.color-btn.red { background: #e74c3c; }
.color-btn.yellow { background: #f1c40f; color: #333; }
.color-btn.blue { background: #3498db; }
.color-btn.green { background: #27ae60; }

.color-custom-input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    margin-top: 0.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.btn-add-product {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #159895 0%, #0f7a6f 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(21, 152, 149, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-add-product:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(21, 152, 149, 0.4);
}

.btn-add-product:active {
    transform: translateY(0);
}

/* ===== CART SECTION ===== */
.cart-section {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid #159895;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.cart-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #159895;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cart-count {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.cart-empty {
    text-align: center;
    padding: 3rem;
    color: #999;
}

.cart-empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.cart-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f0fffe 0%, #e0f9f7 100%);
    border-radius: 15px;
    border-left: 4px solid #159895;
    animation: slideInLeft 0.4s ease-out;
    align-items: center;
}

.cart-item-image {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid #159895;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, #159895 0%, #0f7a6f 100%);
    overflow: hidden;
    object-fit: cover;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-info {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.cart-item-link {
    font-weight: 600;
    color: #159895;
    font-size: 0.9rem;
    word-break: break-all;
    text-decoration: none;
}

.cart-item-link:hover {
    text-decoration: underline;
}

.cart-item-detail {
    font-size: 0.85rem;
    color: #666;
}

.cart-item-actions {
    display: flex;
    align-items: center;
}

.btn-remove {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
}

.btn-remove:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.cart-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 2px solid #159895;
}

.cart-total {
    font-size: 1.3rem;
    font-weight: 700;
    color: #159895;
}

.btn-quote {
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-quote:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.6);
}

.btn-quote:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ===== POPUP MODAL ===== */
.popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2400;
    backdrop-filter: blur(2px);
    animation: fadeIn 0.3s ease-out;
}

.popup-overlay.active {
    display: block;
}

.popup-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    max-width: 450px;
    width: 90%;
    text-align: center;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
    z-index: 2500;
    animation: fadeIn 0.3s ease-out;
}

.popup-modal.active {
    display: block;
}

.popup-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.popup-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #ff6b35;
    margin-bottom: 0.8rem;
}

.popup-text {
    font-size: 1rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.popup-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn-popup-close {
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, #159895 0%, #0f7a6f 100%);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.btn-popup-close:hover {
    transform: scale(1.05);
}

/* ===== SUCCESS MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease-out;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: fadeIn 0.3s ease-out;
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.modal-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #159895;
    margin-bottom: 1rem;
}

.modal-text {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.btn-modal-close {
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #159895 0%, #0f7a6f 100%);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-modal-close:hover {
    transform: scale(1.05);
}

/* ===== NOTIFICATION ===== */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    z-index: 3000;
    max-width: 400px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    animation: slideInFromRight 0.3s ease-out;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s ease;
}

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

.notification-success {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    color: white;
}

.notification-error {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
}

.notification-info {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
}

/* ===== CONTACT BUTTONS ===== */
.contact-buttons {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    z-index: 999;
    transition: all 0.3s ease;
}

.contact-buttons.hidden {
    display: none !important;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.7rem 1.2rem;
    background: white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    color: #333;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 2px solid transparent;
    white-space: nowrap;
    animation: slideInFromRight 0.6s ease-out;
}

.contact-btn:hover {
    transform: translateX(-8px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
}

.contact-btn-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
    font-weight: 700;
}

.contact-btn-zalo {
    border-color: #0084FF;
}

.contact-btn-zalo .contact-btn-icon {
    background: linear-gradient(135deg, #0084FF 0%, #0066CC 100%);
    color: white;
}

.contact-btn-zalo:hover {
    background: linear-gradient(135deg, #0084FF 0%, #0066CC 100%);
    color: white;
    border-color: #0084FF;
}

.contact-btn-phone {
    border-color: #25D366;
}

.contact-btn-phone .contact-btn-icon {
    background: linear-gradient(135deg, #25D366 0%, #20BA58 100%);
    color: white;
}

.contact-btn-phone:hover {
    background: linear-gradient(135deg, #25D366 0%, #20BA58 100%);
    color: white;
    border-color: #25D366;
}

.contact-btn-messenger {
    border-color: #0084FF;
}

.contact-btn-messenger .contact-btn-icon {
    background: linear-gradient(135deg, #0084FF 0%, #0066CC 100%);
    color: white;
}

.contact-btn-messenger:hover {
    background: linear-gradient(135deg, #0084FF 0%, #0066CC 100%);
    color: white;
    border-color: #0084FF;
}

/* Close Button */
.contact-buttons-toggle {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #159895 0%, #0f7a6f 100%);
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
    animation: slideInFromRight 0.6s ease-out;
}

.contact-buttons-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
}

.contact-buttons-toggle.show {
    display: flex;
}

/* ===== FOOTER ===== */
footer {
    background: linear-gradient(135deg, #159895 0%, #0f7a6f 100%);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 100%;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 0 2rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.footer-section {
    animation: fadeInUp 0.6s ease-out;
    background: rgba(255, 255, 255, 0.08);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    min-height: 250px;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
}

.footer-section:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
}

.footer-title {
    color: #ffffff;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-link {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: #ffffff;
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom p {
    margin: 0.5rem 0;
    font-weight: 500;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .cart-item {
        grid-template-columns: 80px 1fr auto;
    }

    .cart-item-image {
        width: 80px;
        height: 80px;
        font-size: 1.5rem;
    }

    .cart-footer {
        flex-direction: column;
        gap: 1rem;
    }

    .btn-quote {
        width: 100%;
    }

    .input-message {
        position: static;
        top: auto;
        left: auto;
        margin-top: 0.5rem;
        display: none;
    }

    .input-message::after {
        display: none;
    }

    .input-message.show {
        display: block;
    }
}

@media (max-width: 768px) {
    .order-title {
        font-size: 1.8rem;
    }

    .order-form-card,
    .cart-section {
        padding: 1.5rem;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 0;
    }

    .footer-section {
        margin: 0 -2rem;
        border-radius: 0;
        padding: 2rem;
    }

    .nav-menu {
        gap: 1rem;
    }

    .nav-link {
        font-size: 0.9rem;
    }

    .size-selector {
        gap: 0.3rem;
    }

    .size-btn {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }

    .color-btn {
        width: 45px;
        height: 45px;
        font-size: 0.75rem;
    }

    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .popup-modal {
        max-width: 90%;
        padding: 2rem;
    }

    .contact-buttons {
        right: 1rem;
        bottom: 1rem;
        gap: 0.6rem;
    }

    .contact-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }

    .contact-btn-icon {
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }

    .contact-buttons-toggle {
        right: 1rem;
        bottom: 1rem;
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 1rem;
    }

    .logo-link {
        font-size: 1.4rem;
    }

    .logo-icon {
        width: 35px;
        height: 35px;
        font-size: 1.3rem;
    }

    .order-section {
        padding: 2rem 1rem;
    }

    .cart-item {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .cart-item-image {
        width: 70px;
        height: 70px;
        margin: 0 auto;
        font-size: 1.2rem;
    }

    .cart-item-actions {
        justify-content: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .contact-buttons {
        right: 1rem;
        bottom: 1rem;
        gap: 0.6rem;
    }

    .contact-btn {
        padding: 0.6rem 0.8rem;
        font-size: 0.8rem;
    }

    .contact-btn-icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .contact-buttons-toggle {
        right: 1rem;
        bottom: 1rem;
    }

    .size-selector {
        gap: 0.3rem;
    }

    .size-btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.75rem;
    }

    .color-btn {
        width: 40px;
        height: 40px;
        font-size: 0.7rem;
    }

    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .popup-modal {
        max-width: 95%;
        padding: 1.5rem;
    }

    .popup-title {
        font-size: 1.3rem;
    }

    .popup-text {
        font-size: 0.9rem;
    }
}