/* ==========================================================================
   CƠ KHÍ ĐẠI THẮNG - CONTACT PAGE STYLESHEET (contact.css)
   Chuẩn hóa giao diện 2026: Chuyên nghiệp, Tinh gọn, Thực tế, Không Vibe-coding lòe loẹt
   ========================================================================== */

/* 0. Page-specific overrides */
.flexslider {
    display: none !important;
}

.dt-nav-item .dt-nav-link.active_tag {
    background: transparent !important;
    color: #FFFFFF !important;
}
.dt-nav-item .dt-nav-link.active_tag::after {
    width: 0 !important;
}
.dt-nav-item .dt-nav-link[href="/lien-he"] {
    background: rgba(255, 255, 255, 0.18) !important;
    color: #FFFFFF !important;
    font-weight: 700 !important;
}
.dt-nav-item .dt-nav-link[href="/lien-he"]::after {
    width: 100% !important;
}

/* 1. Hero Page Banner */
.contact-hero {
    position: relative;
    background: linear-gradient(135deg, #075985 0%, #0284C7 60%, #0099E5 100%);
    padding: 55px 0 45px 0;
    color: #FFFFFF;
    overflow: hidden;
}

.contact-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    font-weight: 500;
    color: #BAE6FD;
    margin-bottom: 14px;
    list-style: none;
    padding: 0;
}

.contact-breadcrumb a {
    color: #E0F2FE;
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-breadcrumb a:hover {
    color: #FFFFFF;
    text-decoration: underline;
}

.contact-breadcrumb .separator {
    color: #7DD3FC;
    font-size: 11px;
}

.contact-breadcrumb .current {
    color: #FFFFFF;
    font-weight: 700;
}

.contact-hero-title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 10px 0;
    color: #FFFFFF;
    letter-spacing: -0.01em;
}

.contact-hero-subtitle {
    font-size: 15.5px;
    line-height: 1.6;
    color: #E0F2FE;
    max-width: 720px;
    margin: 0;
}

/* 2. Main Contact Section */
.contact-main-section {
    padding: 60px 0;
    background: #F8FAFC;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 40px;
    align-items: flex-start;
}

/* Info Box (Left) */
.contact-info-card {
    background: #FFFFFF;
    border-radius: 18px;
    padding: 36px 32px;
    border: 1px solid #E2E8F0;
    box-shadow: 0 6px 24px rgba(15, 23, 42, 0.05);
}

.info-card-header {
    margin-bottom: 26px;
    padding-bottom: 18px;
    border-bottom: 1.5px solid #F1F5F9;
}

.info-tag {
    display: inline-block;
    color: #0284C7;
    font-size: 12.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.info-company-name {
    font-size: 20px;
    font-weight: 800;
    color: #0F172A;
    margin: 0;
    line-height: 1.35;
}

.contact-info-list {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-row {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.info-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: #E0F2FE;
    color: #0284C7;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.info-content {
    flex: 1;
}

.info-label {
    font-size: 12.5px;
    font-weight: 700;
    color: #64748B;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 3px;
}

.info-value {
    font-size: 15px;
    color: #1E293B;
    line-height: 1.55;
    margin: 0;
}

.info-value a {
    color: #0284C7;
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s ease;
}

.info-value a:hover {
    color: #0369A1;
    text-decoration: underline;
}

.info-hotline-highlight {
    font-size: 17px;
    font-weight: 800;
    color: #FF6500 !important;
}

.contact-quick-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-quick-contact {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none !important;
    transition: all 0.25s ease;
}

.btn-quick-call {
    background: #FF6500;
    color: #FFFFFF !important;
    box-shadow: 0 4px 14px rgba(255, 101, 0, 0.35);
}

.btn-quick-call:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 101, 0, 0.45);
}

.btn-quick-zalo {
    background: #0068FF;
    color: #FFFFFF !important;
    box-shadow: 0 4px 14px rgba(0, 104, 255, 0.3);
}

.btn-quick-zalo:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 104, 255, 0.4);
}

/* Form Box (Right) */
.contact-form-card {
    background: #FFFFFF;
    border-radius: 18px;
    padding: 36px 32px;
    border: 1px solid #E2E8F0;
    box-shadow: 0 6px 24px rgba(15, 23, 42, 0.05);
}

.form-card-header {
    margin-bottom: 24px;
}

.form-card-title {
    font-size: 22px;
    font-weight: 800;
    color: #0F172A;
    margin: 0 0 6px 0;
}

.form-card-desc {
    font-size: 14.5px;
    color: #64748B;
    margin: 0;
    line-height: 1.5;
}

.contact-alert-success {
    background: #DCFCE7;
    color: #15803D;
    padding: 14px 18px;
    border-radius: 10px;
    border: 1px solid #86EFAC;
    margin-bottom: 20px;
    font-size: 14.5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-group-custom {
    margin-bottom: 18px;
}

.form-label-custom {
    display: block;
    font-size: 13.5px;
    font-weight: 700;
    color: #334155;
    margin-bottom: 6px;
}

.form-label-custom span {
    color: #E11D48;
}

.form-control-custom {
    width: 100%;
    height: 48px;
    padding: 10px 16px;
    border-radius: 10px;
    border: 1.5px solid #CBD5E1;
    font-size: 14.5px;
    font-family: inherit;
    color: #1E293B;
    background: #FFFFFF;
    transition: all 0.2s ease;
    box-shadow: none;
    box-sizing: border-box;
}

.form-control-custom:focus {
    border-color: #0284C7;
    outline: none;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

textarea.form-control-custom {
    height: 110px;
    resize: vertical;
}

.btn-submit-inquiry {
    width: 100%;
    background: linear-gradient(135deg, #0284C7 0%, #0099E5 100%);
    color: #FFFFFF;
    border: none;
    border-radius: 10px;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 800;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 6px 18px rgba(2, 132, 199, 0.3);
    transition: all 0.25s ease;
}

.btn-submit-inquiry:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(2, 132, 199, 0.45);
}

/* 3. Map Section */
.contact-map-section {
    padding: 0 0 60px 0;
    background: #F8FAFC;
}

.map-wrapper {
    background: #FFFFFF;
    border-radius: 18px;
    overflow: hidden;
    border: 1.5px solid #E0F2FE;
    box-shadow: 0 6px 24px rgba(15, 23, 42, 0.05);
}

.map-header {
    padding: 18px 24px;
    border-bottom: 1px solid #F1F5F9;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.map-title {
    font-size: 16px;
    font-weight: 800;
    color: #0F172A;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.map-title i {
    color: #0284C7;
}

.btn-google-maps {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #0284C7;
    font-size: 13.5px;
    font-weight: 700;
    text-decoration: none;
}

.btn-google-maps:hover {
    text-decoration: underline;
}

.map-iframe-container iframe {
    width: 100%;
    height: 380px;
    display: block;
    border: 0;
}

/* 4. Responsive Breakpoints */
@media (max-width: 991px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-hero-title {
        font-size: 26px;
    }
}

@media (max-width: 575px) {
    .contact-hero {
        padding: 35px 0 30px 0;
    }

    .contact-hero-title {
        font-size: 22px;
    }

    .contact-info-card,
    .contact-form-card {
        padding: 24px 20px;
    }

    .form-card-title {
        font-size: 19px;
    }

    .map-iframe-container iframe {
        height: 280px;
    }
}