@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap");

html,
body {
    font-family: "Roboto", sans-serif;
}

/* Định nghĩa biến màu sắc */
:root {
    --primary-color: #ffc107;
    /* Vàng cam */
    --primary-hover: #ffd740;
    --black-bg: #1a1a1a;
    /* Nền đen */
    --text-dark: #333333;
    /* Chữ đậm */
    --text-muted: #6c757d;
    /* Chữ mờ */
    --bg-light: #f5f5f5;
    /* Nền xám nhạt */
    --info-item-bg: #f7f7f7;
    /* Nền xám cho khối info */
}

body {
    font-family: Arial, sans-serif;
    background-color: white;
    line-height: 1.5;
}

/* --- 1. Header Section --- */
.page-header {
    background-color: var(--black-bg);
    color: white;
    padding: 70px 0 70px;
    text-align: center;
    background-image: radial-gradient(circle at 10% 50%,
            rgba(255, 255, 255, 0.05) 1%,
            transparent 10%),
        radial-gradient(circle at 90% 50%,
            rgba(255, 255, 255, 0.05) 1%,
            transparent 10%);
    background-size: 80px 80px;
}

.page-header h1 {
    font-size: 60px;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary-color), #ffd84d, #fff3b0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
    line-height: 1;
}

.page-header p {
    font-size: 24px;
    color: #ccc;
}

/* --- 2. Main Content Wrapper (Đã loại bỏ margin âm) --- */
.main-content-wrapper {
    /* Giữ dòng chảy tài liệu bình thường */
    padding: 50px 0 30px;
    background-color: white;
}

.contact-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
    padding: 30px;
    border-top: 5px solid var(--primary-color);
}

.contact-card:nth-child(2) {
    border-top: 0;
}

/* --- Cột Thông tin công ty --- */
.info-section h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

/* .info-section {
    height: 100vh;
} */

.info-section .subtitle {
    font-size: 18px;
    color: #d4a045;
    margin-bottom: 30px;
    font-weight: 600;
}

.info-group {
    background-color: var(--info-item-bg);
    border-radius: 12px;
    margin-bottom: 15px;
    padding: 10px 15px;
}

.info-group:hover {
    background-color: #fffde8;
}

.info-item-row {
    display: flex;
    align-items: center;
    padding: 10px 0;
    font-size: 15px;
    color: var(--text-dark);
}

.info-item-row i {
    color: var(--primary-color);
    font-size: 18px;
    margin-right: 15px;
    width: 25px;
    text-align: center;
}

.info-item-row strong {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.info-item-row span {
    display: block;
    line-height: 1.4;
}

.info-group+.info-group {
    margin-top: 15px;
}

/* --- Cột Form Liên hệ --- */
.form-section h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 25px;
}

.form-section {
    /* height: 100vh; */
    position: sticky;
    top: 20px;
}

textarea {
    resize: none !important;
    /* Vô hiệu hóa resize ngang và dọc */
}

.form-control {
    border: 2px solid #e5e7eb;
}

.form-control::placeholder {
    color: #9ca3af;
    font-size: 16px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.form-control {
    border-radius: 10px;
    border: 1px solid #e0e0e0;
    padding: 14px 18px;
    font-size: 15px;
    background-color: white;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.15);
}

.required-star {
    color: #ff0000;
    margin-left: 2px;
}

.btn-submit {
    background-color: #f5c311;
    color: var(--text-dark);
    font-weight: 700;
    width: 100%;
    padding: 15px;
    border-radius: 12px;
    border: none;
    font-size: 16px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(255, 210, 88, 0.6);
    margin-top: 10px;
}

.btn-submit:hover {
    background-color: #e1a605;
    transform: scale(1.05);
    transition: 0.2s ease-in-out;
}

/* --- Khối Mạng xã hội và Map --- */
.social-card {
    margin-top: 20px;
    padding: 30px;
}

.social-card h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: start;
    padding: 16px 16px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.2s;
    border: none;
}

.social-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.social-btn i {
    font-size: 24px;
    margin-right: 10px;
}

.social-btn.facebook {
    background-color: #f0f6ff;
    color: #1877f2;
    border: 1px solid #7cb4fd9c;
}

.social-btn.facebook:hover {
    background-color: #e1edff;
}

.social-btn.zalo {
    background-color: #f0f6ff;
    color: #0084ff;
    border: 1px solid #7cb4fd9c;
}

.social-btn.zalo:hover {
    background-color: #e1edff;
}

.social-btn.youtube {
    background-color: #fff2f2;
    color: #ff0000;
    border: 1px solid #ff7b7b9c;
}

.social-btn.youtube:hover {
    background-color: #ffe5e5;
}

.social-btn.tiktok {
    background-color: #f7f7f7;
    color: #000000;
    border: 1px solid #bfbfbf9c;
}

.social-btn.tiktok:hover {
    background-color: #e1e1e1;
}

/* Map Container */
.map-container {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-top: 30px;
}

.map-container iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* --- 3. Footer (CTA) --- */
.cta-footer {
    background-color: #1A1A1A; 
    background-image: radial-gradient(circle at center, #242323 0%, #201e1e 80%);
    color: white;
    padding: 60px 0;
    text-align: center;
    margin-top: 50px;
}

.cta-footer h2 {
    font-size: 47px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
    line-height: 1;
}

.btn-cta {
    background-color: var(--primary-color);
    color: var(--text-dark);
    font-weight: 700;
    padding: 18px 50px;
    border-radius: 9999px;
    border: none;
    text-transform: uppercase;
    text-decoration: none;
    display: inline-block;
    font-size: 18px;
}

.btn-cta:hover {
    background-color: #e1a605;
    transform: scale(1.05);
    transition: 0.2s ease-in-out;
    color: var(--text-dark);
}

/* Responsive Adjustments */
@media (max-width: 991px) {
    .map-container {
        margin-top: 20px;
    }
}

@media (max-width: 767px) {

    .page-header h1,
    .cta-footer h2 {
        font-size: 28px;
    }

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