/* ========================================
   CONTACT PAGE — Liên Hệ
   ======================================== */

/* ---- Container ---- */
.dtb-contact-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---- Breadcrumb ---- */
.dtb-contact-breadcrumb {
    background: #f8f9fa;
    padding: 14px 0;
    font-size: 14px;
    border-bottom: 1px solid #e9ecef;
}
.dtb-contact-breadcrumb a {
    color: #DD0303;
    text-decoration: none;
}
.dtb-contact-breadcrumb a:hover {
    text-decoration: underline;
}

/* ---- Hero ---- */
.dtb-contact-hero {
    background: linear-gradient(135deg, #FEF3E2 0%, #FDDCB5 100%);
    color: #2B2D42;
    text-align: center;
    padding: 60px 20px 50px;
}
.dtb-contact-hero-icon {
    font-size: 44px;
    display: block;
    margin-bottom: 14px;
}
.dtb-contact-hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 36px;
    font-weight: 800;
    margin: 0 0 10px;
}
.dtb-contact-hero-sub {
    font-size: 16px;
    color: #5C6378;
    margin: 0;
}

/* ---- Info Cards ---- */
.dtb-contact-info-section {
    padding: 50px 0 0;
    background: #f8f9fa;
}
.dtb-contact-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.dtb-contact-info-card {
    background: #fff;
    border-radius: 16px;
    padding: 30px 24px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.dtb-contact-info-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(221,3,3,0.12);
}
.dtb-info-icon {
    font-size: 36px;
    margin-bottom: 14px;
}
.dtb-contact-info-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: #2B2D42;
    margin: 0 0 10px;
}
.dtb-contact-info-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}
.dtb-contact-info-card a {
    color: #DD0303;
    text-decoration: none;
}
.dtb-contact-info-card a:hover {
    text-decoration: underline;
}

/* ---- Main Section ---- */
.dtb-contact-main {
    padding: 50px 0 70px;
    background: #f8f9fa;
}
.dtb-contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

/* ---- Contact Form ---- */
.dtb-contact-form-wrap {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.06);
}
.dtb-contact-form-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #2B2D42;
    margin: 0 0 8px;
}
.dtb-contact-form-desc {
    font-size: 14px;
    color: #888;
    margin: 0 0 28px;
}

.dtb-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}
.dtb-form-group {
    display: flex;
    flex-direction: column;
}
.dtb-form-full {
    margin-bottom: 20px;
}
.dtb-form-group label {
    font-size: 14px;
    font-weight: 600;
    color: #2B2D42;
    margin-bottom: 6px;
}
.dtb-form-group label .required {
    color: #DD0303;
}
.dtb-form-group input,
.dtb-form-group select,
.dtb-form-group textarea {
    padding: 12px 16px;
    border: 1.5px solid #dee2e6;
    border-radius: 10px;
    font-size: 15px;
    font-family: 'Roboto', sans-serif;
    color: #333;
    background: #fff;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
    box-sizing: border-box;
}
.dtb-form-group input:focus,
.dtb-form-group select:focus,
.dtb-form-group textarea:focus {
    border-color: #DD0303;
    box-shadow: 0 0 0 3px rgba(221,3,3,0.12);
}
.dtb-form-group textarea {
    resize: vertical;
    min-height: 120px;
}
.dtb-form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%23999'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

/* Submit */
.dtb-form-actions {
    margin-bottom: 16px;
}
.dtb-contact-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 32px;
    background: linear-gradient(135deg, #FAB12F, #FEF3E2);
    color: #2B2D42;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}
.dtb-contact-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(250,177,47,0.45);
    background: linear-gradient(135deg, #FA812F, #FAB12F);
}
.dtb-contact-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Result */
.dtb-contact-result {
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
}
.dtb-contact-result.success {
    background: #FEF3E2;
    color: #2B2D42;
    border: 1px solid #FAB12F;
}
.dtb-contact-result.error {
    background: #FEECD2;
    color: #B50202;
    border: 1px solid #FDDCB5;
}

/* ---- Map ---- */
.dtb-contact-map-wrap {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.dtb-contact-map-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #2B2D42;
    margin: 0;
}
.dtb-contact-map {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.06);
}
.dtb-contact-map iframe {
    display: block;
}

/* ---- Quick Contact ---- */
.dtb-contact-quick {
    background: #fff;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.06);
}
.dtb-contact-quick h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #2B2D42;
    margin: 0 0 8px;
}
.dtb-contact-quick p {
    font-size: 14px;
    color: #888;
    margin: 0 0 16px;
}
.dtb-quick-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.dtb-quick-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    color: #fff;
}
.dtb-quick-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.dtb-quick-phone {
    background: linear-gradient(135deg, #E06A1A, #FF4D4D);
}
.dtb-quick-zalo {
    background: linear-gradient(135deg, #0068ff, #339dff);
}
.dtb-quick-email {
    background: linear-gradient(135deg, #FA812F, #FAB12F);
    color: #2B2D42;
}

/* ---- Responsive ---- */
@media (max-width: 992px) {
    .dtb-contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .dtb-contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dtb-contact-hero {
        padding: 40px 20px 35px;
    }
    .dtb-contact-hero-title {
        font-size: 28px;
    }
    .dtb-contact-info-grid {
        grid-template-columns: 1fr;
    }
    .dtb-contact-form-wrap {
        padding: 28px 20px;
    }
    .dtb-form-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .dtb-contact-main {
        padding: 30px 0 50px;
    }
}