* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, sans-serif;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    background: #fff8e7;
    color: #333;
}

/* Top Banner */
.top-banner {
    background: #ffc107;
    color: #fff;
    text-align: center;
    padding: 8px 0;
    font-weight: 600;
    letter-spacing: 1px;
}

.bee-icon {
    margin-right: 10px;
    font-size: 18px;
}

/* Header */
.header {
    background: #2b2b2b;
    padding: 15px 50px;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-left {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-left a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-left a:hover,
.nav-left a.active {
    color: #ffc107;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-circle {
    width: 50px;
    height: 50px;
    background: #ffc107;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.logo-text {
    color: #ffc107;
    font-weight: bold;
    font-size: 16px;
}

.hotline {
    color: #fff;
    font-size: 16px;
}

.hotline strong {
    color: #ffc107;
}

/* Carousel */
.carousel {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 6;
    overflow: hidden;
    background: #000;
    user-select: none;
}

.carousel-track {
    display: flex;
    height: 100%;
    will-change: transform;
    cursor: grab;
}

.carousel-track.dragging {
    cursor: grabbing;
}

.carousel-track.animating {
    transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.carousel-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    pointer-events: none;
    -webkit-user-drag: none;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.7);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 28px;
    cursor: pointer;
    z-index: 5;
    transition: background 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
}

.carousel-btn:hover {
    background: #fff;
}

.carousel-btn.prev { left: 20px; }
.carousel-btn.next { right: 20px; }

.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 5;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.6);
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.carousel-dot.active {
    background: #ffc107;
    width: 30px;
    border-radius: 6px;
}

/* Product Detail */
.product-detail {
    background: #fff;
    margin: 40px auto;
    max-width: 1200px;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    display: flex;
    gap: 40px;
}

.product-images {
    flex: 1;
}

.main-image img {
    width: 100%;
    border-radius: 10px;
    background: #f5f5f5;
    object-fit: cover;
    aspect-ratio: 1/1;
    transition: opacity 0.25s ease;
}

.thumbnails {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.thumbnails img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid #eee;
    cursor: pointer;
    transition: border 0.3s, transform 0.2s;
}

.thumbnails img:hover {
    border-color: #ffc107;
    transform: translateY(-2px);
}

.thumbnails img.active {
    border-color: #ffc107;
    box-shadow: 0 0 0 2px rgba(255, 193, 7, 0.2);
}

.product-info {
    flex: 1;
}

.product-info h2 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #2b2b2b;
}

.price-block {
    margin-bottom: 20px;
}

.shipping-banner {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #fff8e7 0%, #ffeaa7 100%);
    border-left: 4px solid #ffc107;
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 22px;
}

.ship-icon {
    font-size: 28px;
}

.ship-text {
    color: #b8860b;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.5px;
}

.old-price {
    text-decoration: line-through;
    color: #999;
    margin-right: 10px;
}

.new-price {
    color: #e74c3c;
    font-size: 24px;
    font-weight: bold;
    margin-right: 10px;
}

.discount {
    background: #ffc107;
    color: #fff;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 14px;
}

.benefits {
    list-style: none;
    margin-bottom: 20px;
}

.benefits li {
    padding: 8px 0;
    color: #555;
    line-height: 1.5;
}

.features {
    margin-bottom: 20px;
}

.features h4 {
    margin-bottom: 8px;
    color: #2b2b2b;
}

.features p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 8px;
}

.size-options {
    margin-bottom: 20px;
}

.size-label {
    margin-bottom: 10px;
    font-weight: 600;
}

.size-btn {
    padding: 8px 20px;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 5px;
    cursor: pointer;
    margin-right: 10px;
    transition: all 0.3s;
}

.size-btn.active {
    background: #ffc107;
    color: #fff;
    border-color: #ffc107;
}

.qty-row {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.qty-control {
    display: flex;
    align-items: center;
    border: 1px solid #ddd;
    border-radius: 25px;
    overflow: hidden;
}

.qty-control button {
    width: 35px;
    height: 35px;
    background: #fff;
    border: none;
    font-size: 18px;
    cursor: pointer;
}

.qty-control input {
    width: 50px;
    text-align: center;
    border: none;
    font-size: 16px;
    outline: none;
}

.stock {
    color: #27ae60;
    font-weight: 500;
}

.action-buttons {
    display: flex;
    justify-content: center;
    margin-top: 10px;
}

.btn-buy-now {
    display: inline-block;
    min-width: 260px;
    padding: 14px 40px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 17px;
    text-align: center;
    cursor: pointer;
    text-decoration: none;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #ffc107 0%, #ffb300 100%);
    border: 2px solid #ffc107;
    color: #fff;
    box-shadow: 0 6px 18px rgba(255, 193, 7, 0.35);
    transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}

.btn-buy-now:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(255, 193, 7, 0.5);
    background: linear-gradient(135deg, #ffb300 0%, #ff9800 100%);
}

.btn-buy-now:active {
    transform: translateY(0);
}

/* Feedback Section */
.feedback-section {
    background: linear-gradient(135deg, #1f7a3a 0%, #2d9b4f 100%);
    padding: 60px 50px;
    text-align: center;
}

.feedback-section h2 {
    color: #fff;
    margin-bottom: 40px;
    font-size: 28px;
    letter-spacing: 1px;
    font-weight: 800;
}

.feedback-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1300px;
    margin: 0 auto;
}

.feedback-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(0,0,0,0.15);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.feedback-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.25);
}

.feedback-card img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    aspect-ratio: 3 / 4;
}

@media (max-width: 900px) {
    .feedback-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .feedback-grid {
        grid-template-columns: 1fr;
    }
}

/* Product Highlights */
.highlights-section {
    background: linear-gradient(135deg, #1f7a3a 0%, #2d9b4f 100%);
    padding: 60px 30px;
    text-align: center;
    position: relative;
}

.highlights-section h2 {
    color: #fff;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 0.5px;
    margin-bottom: 40px;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    max-width: 1400px;
    margin: 0 auto;
}

.highlight-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 22px rgba(0,0,0,0.18);
    transition: transform 0.35s, box-shadow 0.35s;
    padding: 15px;
}

.highlight-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 34px rgba(0,0,0,0.28);
}

.highlight-card img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

@media (max-width: 700px) {
    .highlights-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Best Sellers */
.best-sellers {
    background: #ffc107;
    padding: 60px 50px;
    text-align: center;
}

.best-sellers h2 {
    color: #fff;
    margin-bottom: 40px;
    font-size: 28px;
    letter-spacing: 1px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: #fff;
    border-radius: 15px;
    padding: 20px;
    position: relative;
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
}

.product-card h4 {
    color: #333;
    margin-bottom: 10px;
    font-size: 14px;
}

.card-price {
    color: #e74c3c;
    font-weight: bold;
    font-size: 18px;
}

.card-price .old {
    color: #999;
    text-decoration: line-through;
    font-weight: normal;
    font-size: 14px;
    margin-left: 5px;
}

.discount-tag {
    color: #e74c3c;
    font-size: 13px;
}

.badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: #e74c3c;
    color: #fff;
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: bold;
}

.view-more {
    margin-top: 30px;
}

.view-more a {
    color: #fff;
    text-decoration: underline;
    font-weight: 500;
}

/* Features Section */
.features-section {
    background: #fff;
    padding: 60px 50px;
    max-width: 1300px;
    margin: 0 auto;
}

.features-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.features-header .line {
    flex: 1;
    max-width: 80px;
    height: 2px;
    background: #1f7a3a;
}

.features-header h2 {
    color: #1f7a3a;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-align: center;
}

.features-grid {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 10px;
}

.feature-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 10px;
}

.feature-icon {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: #1f7a3a;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(31, 122, 58, 0.25);
}

.feature-icon svg {
    width: 60%;
    height: 60%;
}

.feature-text {
    color: #222;
    font-size: 16px;
    line-height: 1.5;
    font-weight: 500;
}

.feature-text .highlight {
    color: #1f7a3a;
    font-weight: 600;
}

.divider {
    width: 2px;
    background: #1f7a3a;
    margin: 10px 0;
    align-self: stretch;
    min-height: 140px;
}

@media (max-width: 900px) {
    .features-grid {
        flex-wrap: wrap;
        justify-content: center;
        gap: 30px;
    }
    .feature-item {
        flex: 0 0 40%;
    }
    .divider {
        display: none;
    }
    .features-header h2 {
        font-size: 18px;
    }
}

/* Process */
.process {
    background: #fff8e7;
    padding: 60px 50px;
    text-align: center;
}

.process h2 {
    color: #2b2b2b;
    margin-bottom: 40px;
    font-size: 28px;
    letter-spacing: 1px;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.process-card {
    background: #fff;
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    text-align: center;
}

.step-num {
    font-size: 48px;
    font-weight: bold;
    color: #ffc107;
    margin-bottom: 10px;
}

.process-card h4 {
    color: #2b2b2b;
    margin-bottom: 15px;
    font-size: 16px;
}

.process-card p {
    color: #555;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 8px;
}

/* News */
.news {
    background: #fff;
    padding: 60px 50px;
    text-align: center;
}

.news h2 {
    color: #2b2b2b;
    margin-bottom: 40px;
    font-size: 28px;
    letter-spacing: 1px;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.news-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
    cursor: pointer;
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 24px rgba(0,0,0,0.15);
}

.news-card img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    aspect-ratio: 3 / 4;
}

/* Expert Banner above form */
.consult-expert {
    max-width: 1100px;
    margin: 0 auto 35px;
}

/* Manager Mini Card */
.manager-mini {
    position: relative;
    display: flex;
    gap: 26px;
    align-items: center;
    background: linear-gradient(135deg, #ffffff 0%, #f4fbf6 100%);
    border: 2px solid #1f7a3a;
    border-radius: 16px;
    padding: 26px 32px;
    box-shadow: 0 12px 32px rgba(31, 122, 58, 0.18);
    overflow: hidden;
}

.manager-mini::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #f39c12 0%, #1f7a3a 100%);
}

.mm-greeting {
    display: inline-block;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 8px;
    box-shadow: 0 3px 8px rgba(243, 156, 18, 0.3);
}

.mm-avatar {
    flex-shrink: 0;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(31, 122, 58, 0.35);
    border: 4px solid #fff;
    outline: 2px solid #1f7a3a;
    background: #f4fbf6;
}

.mm-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.mm-info {
    flex: 1;
    min-width: 0;
}

.mm-name {
    color: #1f7a3a;
    font-weight: 800;
    font-size: 22px;
    margin-bottom: 4px;
    letter-spacing: 0.3px;
}

.mm-title {
    color: #666;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px dashed #cfe2d6;
}

.mm-contacts {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.mm-row {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #333;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s, transform 0.2s;
}

.mm-row:not(.no-link):hover {
    color: #1f7a3a;
    transform: translateX(4px);
}

.mm-row svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    padding: 4px;
    border-radius: 50%;
    background: #e8f7ed;
    color: #1f7a3a;
    box-sizing: content-box;
    transition: background 0.25s, color 0.25s;
}

.mm-row:not(.no-link):hover svg {
    background: #1f7a3a;
    color: #fff;
}

@media (max-width: 600px) {
    .manager-mini {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 22px 18px 20px;
    }
    .mm-avatar {
        width: 80px;
        height: 80px;
        font-size: 22px;
    }
    .mm-title {
        border-bottom: none;
        padding-bottom: 0;
    }
    .mm-info {
        width: 100%;
    }
    .mm-contacts {
        align-items: flex-start;
    }
}

/* Manager Section */
.manager-section {
    background: #fff;
    padding: 60px 30px;
    text-align: center;
}

.manager-heading {
    color: #1f7a3a;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.manager-subheading {
    color: #666;
    font-size: 15px;
    margin-bottom: 40px;
}

.manager-card {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 12px 40px rgba(31, 122, 58, 0.15);
    display: grid;
    grid-template-columns: 1fr auto 1.2fr;
    gap: 30px;
    padding: 40px 45px;
    align-items: center;
    border: 1px solid #f0f0f0;
    position: relative;
    overflow: hidden;
}

.manager-card::before {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #f39c12 0%, #1f7a3a 100%);
}

.manager-left {
    text-align: left;
}

.manager-avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f39c12 0%, #1f7a3a 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 1px;
    margin-bottom: 18px;
    box-shadow: 0 6px 18px rgba(31, 122, 58, 0.3);
}

.manager-name {
    color: #1f7a3a;
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 6px;
}

.manager-title {
    color: #555;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 22px;
}

.manager-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 18px;
    border-top: 1px dashed #e0e0e0;
}

.brand-logo {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: #fff8e7;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-name {
    color: #1f7a3a;
    font-weight: 800;
    font-size: 15px;
    letter-spacing: 0.5px;
}

.brand-slogan {
    color: #888;
    font-size: 12px;
    font-style: italic;
}

.manager-divider {
    width: 2px;
    height: 220px;
    background: linear-gradient(180deg, transparent 0%, #1f7a3a 50%, transparent 100%);
    opacity: 0.3;
}

.manager-right {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 14px;
    color: #333;
    text-decoration: none;
    font-size: 15px;
    transition: color 0.25s, transform 0.2s;
}

.contact-row:not(.no-link):hover {
    color: #1f7a3a;
    transform: translateX(4px);
}

.contact-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #e8f7ed;
    color: #1f7a3a;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.25s;
}

.contact-icon svg {
    width: 18px;
    height: 18px;
}

.contact-row:not(.no-link):hover .contact-icon {
    background: #1f7a3a;
    color: #fff;
}

.contact-text {
    line-height: 1.45;
}

@media (max-width: 800px) {
    .manager-card {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 30px 25px;
    }
    .manager-divider {
        width: 100%;
        height: 2px;
        background: linear-gradient(90deg, transparent 0%, #1f7a3a 50%, transparent 100%);
    }
    .manager-left {
        text-align: center;
    }
    .manager-avatar {
        margin: 0 auto 18px;
    }
    .manager-brand {
        justify-content: center;
    }
    .manager-heading {
        font-size: 22px;
    }
}

/* Consultation Form */
.consult-section {
    background: linear-gradient(135deg, #fff8e7 0%, #ffeaa7 100%);
    padding: 60px 30px;
}

.consult-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.consult-left h2 {
    color: #1f7a3a;
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 15px;
    letter-spacing: 0.5px;
}

.consult-tagline {
    color: #444;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.consult-tagline strong {
    color: #e74c3c;
}

.consult-perks {
    list-style: none;
    padding: 0;
}

.consult-perks li {
    color: #2b2b2b;
    font-size: 15px;
    padding: 6px 0;
    font-weight: 500;
}

.consult-form {
    background: #fff;
    padding: 35px 30px;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-field {
    margin-bottom: 20px;
}

.form-field label {
    display: block;
    color: #2b2b2b;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-field .required {
    color: #e74c3c;
}

.form-field .optional {
    color: #999;
    font-weight: 400;
    font-size: 13px;
}

.form-field input {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    outline: none;
    transition: border-color 0.25s, box-shadow 0.25s;
    font-family: inherit;
}

.form-field input:focus {
    border-color: #ffc107;
    box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.18);
}

.form-field input.invalid {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.15);
}

.error-msg {
    display: none;
    color: #e74c3c;
    font-size: 13px;
    margin-top: 6px;
}

.error-msg.show { display: block; }

.consult-submit {
    width: 100%;
    background: linear-gradient(135deg, #ffc107 0%, #ffb300 100%);
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.25s;
    letter-spacing: 0.3px;
}

.consult-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 193, 7, 0.4);
}

.consult-submit:active {
    transform: translateY(0);
}

.consult-success {
    display: none;
    color: #1f7a3a;
    font-weight: 600;
    text-align: center;
    margin-top: 15px;
    padding: 10px;
    background: #e8f7ed;
    border-radius: 8px;
}

.consult-success.show { display: block; }

@media (max-width: 800px) {
    .consult-container {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    .consult-left h2 {
        font-size: 24px;
        text-align: center;
    }
    .consult-tagline,
    .consult-perks {
        text-align: center;
    }
}

/* Floating Contact Buttons */
.float-contact {
    position: fixed;
    right: 20px;
    bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9000;
}

.float-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    position: relative;
    animation: floatPulse 2.4s ease-in-out infinite;
}

.float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.35);
}

.float-btn svg {
    width: 70%;
    height: 70%;
}

.float-messenger {
    background: linear-gradient(135deg, #00B2FF 0%, #006AFF 50%, #8000FF 100%);
}

.float-zalo {
    background: #0068FF;
}

.float-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: #2b2b2b;
    color: #fff;
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s;
}

.float-tooltip::after {
    content: "";
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: #2b2b2b;
}

.float-btn:hover .float-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(-4px);
}

@keyframes floatPulse {
    0%, 100% { box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25), 0 0 0 0 rgba(0, 104, 255, 0.5); }
    50%      { box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25), 0 0 0 12px rgba(0, 104, 255, 0); }
}

.float-messenger {
    animation-name: floatPulseMsg;
}

@keyframes floatPulseMsg {
    0%, 100% { box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25), 0 0 0 0 rgba(0, 106, 255, 0.55); }
    50%      { box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25), 0 0 0 12px rgba(0, 106, 255, 0); }
}

@media (max-width: 600px) {
    .float-contact {
        right: 12px;
        bottom: 12px;
    }
    .float-btn {
        width: 48px;
        height: 48px;
    }
}

/* Version — hiển thị cuối footer để kiểm tra code mới đã deploy chưa */
.version-badge {
    text-align: center;
    margin-top: 8px;
    font-family: monospace;
    font-size: 11px;
    letter-spacing: 0.5px;
    color: #666;
    user-select: none;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.85); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 25px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.25s, transform 0.2s;
    line-height: 1;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 32px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.25s, transform 0.2s;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.35);
}

.lightbox-prev { left: 25px; }
.lightbox-next { right: 25px; }

@media (max-width: 600px) {
    .lightbox-nav {
        width: 38px;
        height: 38px;
        font-size: 24px;
    }
    .lightbox-prev { left: 8px; }
    .lightbox-next { right: 8px; }
}

/* Footer */
.footer {
    background: #2b2b2b;
    color: #fff;
    padding: 50px 50px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-col h4 {
    color: #ffc107;
    margin-bottom: 15px;
}

.footer-col p {
    color: #ccc;
    line-height: 1.8;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.social-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.25s;
}

.social-links a:hover {
    color: #ffc107;
}

.social-links span {
    color: #555;
}

.copyright {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #999;
}

/* Responsive */
@media (max-width: 992px) {
    .products-grid, .process-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .product-detail {
        flex-direction: column;
    }
    .hero {
        flex-direction: column;
        text-align: center;
    }
    .hero-content h1 {
        font-size: 32px;
    }
}

@media (max-width: 600px) {
    .nav {
        flex-direction: column;
        gap: 15px;
    }
    .nav-left {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    .products-grid, .process-grid, .news-grid {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
    }
}