/* ==========================================================================
   CSS TỐI ƯU CHO TRANG LIÊN HỆ (TTT INFRASTRUCTURE / VIFASO)
   ========================================================================== */

.main-wrapper-contact {
    padding: 50px 0;
    background-color: #f9f9f9;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Tiêu đề trang */
.page-header-title {
    margin-bottom: 40px;
    text-align: center;
}

.page-header-title h2 {
    font-size: 32px;
    color: #111;
    font-weight: 800;
    margin-bottom: 10px;
}

.page-header-title p {
    color: #666;
    font-size: 16px;
}

/* Khung thông báo thành công */
#success-alert {
    display: none;
    background: #d1fae5;
    border: 1px solid #10b981;
    color: #065f46;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 25px;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 600;
}

/* Bố cục 2 cột */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    align-items: start;
}

/* Cột thông tin & Form */
.contact-info-box,
.contact-form-box {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.contact-box-title {
    font-size: 22px;
    color: #222;
    font-weight: 700;
    margin-bottom: 20px;
    border-bottom: 2px solid #0066cc;
    padding-bottom: 10px;
}

/* Danh sách thông tin liên hệ */
.contact-info-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.contact-info-item i {
    color: #0066cc;
    font-size: 18px;
    margin-top: 4px;
}

.contact-info-item strong {
    display: block;
    color: #333;
    margin-bottom: 4px;
}

.contact-info-item span {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

/* Alert Messages từ Server */
.alert-success-msg {
    background-color: #d1fae5;
    color: #065f46;
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
    border: 1px solid #6ee7b7;
}

.alert-error-msg {
    background-color: #fee2e2;
    color: #991b1b;
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
    border: 1px solid #fca5a5;
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    box-sizing: border-box;
    background-color: #fff;
}

.form-control:focus {
    border-color: #0066cc;
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
}

.btn-submit-contact {
    background-color: #0066cc;
    color: #fff;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit-contact:hover {
    background-color: #0052a3;
}