/* CSS Reset and Base Styles */
:root {
    --brand-blue: #0052CC;
    --brand-blue-dark: #003E99;
    --brand-yellow: #FFC400;
    --text-primary: #172B4D;
    --text-secondary: #5E6C84;
    --bg-light: #FFFFFF;
    --bg-secondary: #F4F5F7;
    --border-color: #DFE1E6;
    --font-global: 'Open Sans', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-global);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.7;
}

html {
    scroll-padding-top: 80px;
}

/* General Utility Styles */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}
.section-padding {
    padding: 80px 0;
}

h1, h2, h3, h4 {
    font-family: var(--font-global);
    color: var(--text-primary);
    font-weight: 700;
}

.btn {
    display: inline-block;
    width: 100%;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 700;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: var(--font-global);
    font-size: 1rem;
    text-align: center;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--brand-blue);
    color: var(--bg-light);
    box-shadow: 0 4px 15px rgba(0, 82, 204, 0.15);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background-color: var(--brand-blue-dark);
    box-shadow: 0 6px 20px rgba(0, 82, 204, 0.2);
}

/* Contact Page Styles */
.page-header {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 300px;
    background-image: url('https://tourwell.vn/storage/photos/shares/saokhue1.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
}
.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 42, 102, 0.7);
}
.page-header-content {
    position: relative;
    z-index: 2;
}
.page-header h1 {
    font-size: 3rem;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.page-header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 1rem auto 0;
    color: rgba(255,255,255,0.9);
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.contact-layout-section {
    padding: 80px 0;
    background-color: var(--bg-secondary);
}
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: -80px; /* Pull up the content to overlap the header */
    position: relative;
    z-index: 3;
}
.contact-form-wrapper, .contact-info-wrapper {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}
.contact-form-wrapper h2, .contact-info-wrapper h2 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--brand-blue);
    padding-bottom: 0.5rem;
    display: inline-block;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: border-color 0.3s, box-shadow 0.3s;
    font-family: var(--font-global);
    font-size: 1rem;
    background-color: var(--bg-secondary);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.2);
    background-color: var(--bg-light);
}
.form-group textarea {
    min-height: 150px;
    resize: vertical;
}
.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}
.contact-info-item .icon {
    font-size: 1.5rem;
    color: var(--brand-blue);
    margin-top: 5px;
    width: 30px;
    text-align: center;
}
.contact-info-item p {
    margin: 0;
    line-height: 1.6;
    color: var(--text-secondary);
}
.contact-info-item strong {
    display: block;
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}
.map-container {
    margin-top: 2rem;
    border-radius: 12px;
    overflow: hidden;
}
.map-container iframe {
    width: 100%;
    height: 250px;
    border: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .contact-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {

}