/* Styles scoped to huong-dan-su-dung.html. */

/* Manual Banner */
        .manual-banner {
            padding: 60px 0;
        }

        .manual-banner-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            align-items: center;
            gap: 50px;
        }

        .manual-banner-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 30px;
        }

        .manual-badge-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            background-color: var(--white);
            padding: 6px 12px;
            border-radius: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .manual-badge-item i {
            color: var(--primary-color);
        }

        .product-hero-title span{
            color: var(--primary-color);
            display: block;
        }

        /* Conditions Grid */
        .conditions-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 35px;
        }

        .cond-box {
            background-color: var(--white);
            border-radius: 20px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .cond-box-title {
            font-size: 18px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .cond-box-title.allowed {
            color: var(--success);
        }

        .cond-box-title.forbidden {
            color: var(--error);
        }

        .cond-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .cond-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 500;
        }

        .cond-item i.fa-circle-check {
            color: var(--success);
        }

        .cond-item i.fa-circle-xmark {
            color: var(--error);
        }

        /* Steps Grid */
        .steps-list-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .step-list-card {
            background-color: var(--white);
            border-radius: 20px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: var(--transition-normal);
        }

        .step-list-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .step-num-badge {
            position: absolute;
            top: -15px;
            left: 30px;
            background-color: var(--primary-color);
            color: var(--white);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-family: var(--font-title);
        }

        .step-list-card h3 {
            font-size: 16px;
            margin: 10px 0;
        }

        .step-list-card p {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .tip-box {
            margin-top: 30px;
            background-color: var(--primary-light);
            padding: 15px 25px;
            border-radius: 12px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .partner-guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }

        .partner-guide-card {
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .partner-guide-card img {
            width: 100%;
            aspect-ratio: 2 / 3;
            object-fit: cover;
            background: var(--primary-light);
        }

        .partner-guide-card-body {
            padding: 18px;
        }

        .partner-guide-card-body h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }

        .partner-guide-card-body p {
            color: var(--text-muted);
            font-size: 13px;
        }

        .suitability-image-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }

        .suitability-image-grid img {
            width: 100%;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            background: var(--white);
        }

        /* Frequency Grid */
        .freq-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 35px;
        }

        .freq-card {
            background-color: var(--white);
            border-radius: 16px;
            padding: 25px 20px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            text-align: center;
        }

        .freq-card h3 {
            font-size: 15px;
            color: var(--primary-color);
            margin-bottom: 8px;
        }

        .freq-card .freq-num {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .freq-card p {
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 10px;
        }

        /* Care & Cleaning */
        .care-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 45px;
        }

        .care-box {
            background-color: var(--white);
            border-radius: 20px;
            padding: 35px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .care-box h3 {
            font-size: 18px;
            margin-bottom: 20px;
            color: var(--text-dark);
            border-left: 4px solid var(--primary-color);
            padding-left: 10px;
        }

        .care-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 15px;
            font-size: 13px;
            line-height: 1.6;
        }

        .care-list li i {
            color: var(--primary-color);
            margin-top: 3px;
        }

        /* Warranty Section */
        .warranty-register-section {
            background: radial-gradient(circle at 10% 50%, var(--primary-light) 0%, #fff 100%);
            border-radius: 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            margin-top: 60px;
        }

        .warranty-info-box {
            padding: 50px;
        }

        .warranty-form-box {
            background-color: var(--white);
            padding: 50px;
            border-left: 1px solid var(--border-color);
        }

        .manual-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 25px;
        }

        .video-modal {
            position: fixed;
            inset: 0;
            z-index: 2500;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 24px;
            background: rgba(0, 0, 0, 0.78);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition-normal);
        }

        .video-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .video-modal-dialog {
            position: relative;
            width: min(960px, 100%);
            background: #111;
            border-radius: 18px;
            box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
            overflow: hidden;
            transform: translateY(16px) scale(0.98);
            transition: var(--transition-normal);
        }

        .video-modal.active .video-modal-dialog {
            transform: translateY(0) scale(1);
        }

        .video-modal-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 18px;
            background: var(--white);
        }

        .video-modal-title {
            margin: 0;
            font-size: 18px;
            color: var(--text-dark);
        }

        .video-modal-close {
            width: 40px;
            height: 40px;
            border: none;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary-color);
            cursor: pointer;
            font-size: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
        }

        .video-modal-close:hover {
            background: var(--primary-color);
            color: var(--white);
        }

        .video-frame {
            background: #000;
            aspect-ratio: 16 / 9;
        }

        .video-frame video {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: contain;
            background: #000;
        }

        .video-fallback {
            color: var(--white);
            padding: 14px 18px 18px;
            font-size: 13px;
            background: #111;
        }

        .video-fallback a {
            color: var(--white);
            text-decoration: underline;
        }

        @media (max-width: 1024px) {
            .manual-banner-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .manual-banner-badges {
                justify-content: center;
            }

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

            .steps-list-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .partner-guide-grid,
            .suitability-image-grid {
                grid-template-columns: 1fr;
            }

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

            .warranty-register-section {
                grid-template-columns: 1fr;
            }

            .warranty-form-box {
                border-left: none;
                border-top: 1px solid var(--border-color);
            }
        }

        @media (max-width: 768px) {
            .steps-list-grid {
                grid-template-columns: 1fr;
            }

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

            .warranty-info-box {
                padding: 30px 20px;
            }

            .warranty-form-box {
                padding: 30px 20px;
            }

            .cond-list {
                grid-template-columns: 1fr;
            }

            .manual-actions {
                justify-content: center;
            }

            .manual-actions .btn {
                width: 100%;
                max-width: 360px;
            }

            .video-modal {
                padding: 12px;
                align-items: flex-start;
                padding-top: 64px;
            }

            .video-modal-dialog {
                border-radius: 14px;
            }

            .video-modal-header {
                padding: 12px 14px;
            }

            .video-modal-title {
                font-size: 15px;
            }

            .video-modal-close {
                width: 36px;
                height: 36px;
            }
        }