/* CSS Reset & Basic Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4CAF50; /* Màu xanh lá đặc trưng của HCC */
    --hover-green: #45a049;
    --dark-green: #003d1c; /* Màu xanh đậm tiêu đề */
    --text-color: #333;
    --light-bg: #f9fbf9;
    --white: #ffffff;
    --gray-text: #666;
    --border-color: #e0e0e0;
    --footer-bg: #043C1A;
}

body {
    font-family: 'Hiragino Kaku Gothic Pro', 'Meiryo', 'MS PGothic', sans-serif; /* Font chuẩn Nhật */
    line-height: 1.8;
    color: var(--text-color);
    background-color: var(--white);
}

.container {
    max-width: 1000px; /* Thu hẹp container theo mẫu landing page chuẩn Nhật */
    margin: 0 auto;
    padding: 0 20px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.text-center {
    text-align: center;
}

.mt-2 { margin-top: 10px; }
.mt-3 { margin-top: 20px; }
.mt-4 { margin-top: 40px; }

/* Section Standard Styles */
section {
    padding: 60px 0;
}

.section-tag {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.section-tag::before,
.section-tag::after {
    content: "";
    width: 30px;
    height: 1px;
    background-color: var(--primary-color);
    margin: 0 15px;
}

h2.section-title, h2 {
    font-size: 1.8rem;
    margin-bottom: 40px;
    color: var(--dark-green);
    font-weight: 700;
}

.vn-text {
    color: var(--primary-color);
    font-size: 0.9rem;
    line-height: 1.6;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Header */
.header {
    background: var(--white);
    padding: 0; /* Giảm padding để sát mép */
    border-bottom: none;
}

.header .container {
    display: flex;
    flex-direction: column; /* Chuyển thành 2 hàng */
    align-items: stretch;
    max-width: 1200px;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-top: 20px;
}

.logo {
    display: flex;
    align-items: flex-start;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.logo img {
    height: 60px; /* Tăng kích thước logo theo mẫu */
}

.header-contact {
    align-self: flex-start;
}

.btn-contact {
    background: #999; /* Màu xám theo hình mẫu */
    color: var(--white);
    padding: 12px 25px;
    text-decoration: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    border-radius: 0; /* Phẳng cạnh */
    transition: background 0.3s;
    margin-top: 0; /* Căn chỉnh ngang hàng với logo */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.nav {
    margin-top: 20px;
}

.nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
}

.nav ul li {
    margin: 0;
}

.nav ul li a {
    text-decoration: none;
    color: var(--footer-bg);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 12px 20px;
    display: block;
    transition: all 0.3s ease;
}

.nav ul li a:hover {
    background-color: #002d15; /* Màu xanh cực đậm theo mẫu */
    color: #fff;
}

.btn-contact:hover {
    background: #666;
}

/* Page Banner */
.page-banner {
    background-color: #000;
    padding: 60px 0;
    text-align: center;
    margin-top: 0;
}

.page-banner h1 {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* Breadcrumbs */
.breadcrumbs {
    padding: 15px 0;
    border-bottom: 1px solid #f0f0f0;
}

.breadcrumbs ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.75rem;
    color: #999;
}

.breadcrumbs a {
    text-decoration: none;
    color: #999;
}

/* Hero New Style */
.hero-new {
    background-color: var(--white);
    padding: 60px 0 80px;
    text-align: center;
}

.section-tag-new {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
}

.section-tag-new span {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1rem;
    margin: 0 15px;
}

.section-tag-new::before,
.section-tag-new::after {
    content: "";
    width: 40px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.hero-title {
    color: #1a2a3a; /* Màu xanh đen đậm */
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 40px;
    letter-spacing: -0.02em;
}

.hero-description p {
    font-size: 1rem;
    color: #555;
    line-height: 2;
    margin-bottom: 5px;
}

.hero-description-vn {
    margin-top: 40px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.hero-description-vn h3.highlight {
    font-size: 1.3rem;
    font-weight: 700;
    font-family: 'Segoe UI Bold', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.hero-description-vn p {
    font-size: 1rem;
    line-height: 2;
    margin-bottom: 5px;
}

/* Hero Section (Old - can be removed or kept for reference) */
.hero {
    display: none; /* Ẩn style cũ */
}

/* Mission Section */
.mission {
    padding: 60px 0;
}

.mission h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
}

.mission-content p {
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.mission .vn-text h3.highlight {
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-family: 'Segoe UI Bold', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-weight: 700;
}

/* Office Location */
.office {
    background-color: var(--white);
}

.office-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.office-image img {
    border-radius: 20px;
    width: 100%;
}

.office-info h3 {
    color: var(--dark-green);
    font-size: 1.4rem;
    margin-bottom: 25px;
}

.office-info p {
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.contact-details {
    border-top: 1px solid var(--border-color);
    padding-top: 25px;
}

.contact-details p {
    font-size: 0.85rem;
    margin-bottom: 12px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.contact-details strong {
    color: var(--primary-color);
    display: inline-block;
    width: 140px;
    font-family: 'Segoe UI Bold', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-weight: 700;
}

.contact-details strong.no-wrap {
    white-space: nowrap;
    width: auto;
    min-width: 180px;
}

/* Workspace Section */
.workspace {
    background-color: #fcfcfc;
}

.workspace-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    text-align: left;
}

.workspace-desc h3 {
    color: var(--dark-green);
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.workspace-desc p {
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.workspace-image img {
    border-radius: 20px;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.03);
    border: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.service-card .icon {
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-card .icon img,
.service-card .icon svg {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.service-card h3 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--dark-green);
    min-height: 3rem;
}

.service-card p {
    font-size: 0.8rem;
    line-height: 1.7;
    color: #555;
}

.service-card .vn-text,
.service-card .vn-text p {
    color: var(--primary-color);
}

/* Contact CTA */
.contact-cta {
    background-color: var(--white);
}

.contact-cta h2 {
    font-size: 1.6rem;
}

.btn-cta {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 18px 60px;
    text-decoration: none;
    border-radius: 40px;
    font-weight: bold;
    font-size: 1rem;
    margin-top: 40px;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
    transition: all 0.3s;
}

.btn-cta:hover {
    background: var(--hover-green);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

/* Footer */
.footer {
    width: 100%;
}

.footer-top {
    background: var(--footer-bg);
    color: var(--white);
    padding: 40px 0 60px;
}

.footer-nav {
    margin-bottom: 50px;
}

.footer-nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    flex-wrap: wrap;
    gap: 0 40px; /* Tăng khoảng cách giãn giữa các mục */
}

.footer-nav ul li a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 10px 0; /* Thêm padding để dễ click */
    display: block;
    transition: opacity 0.3s;
}

.footer-nav ul li a:hover {
    opacity: 0.7;
}

.footer-main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.footer-address {
    text-align: center;
}

.footer-address p {
    font-size: 0.9rem;
    color: var(--white);
    margin: 0;
}

.footer-bottom {
    background: var(--white);
    padding: 20px 0;
    border-top: 1px solid #e0e0e0;
}

.footer-bottom-content {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-social .fb-icon {
    display: inline-block;
    width: 30px;
    height: 30px;
    background: #ccc;
    color: var(--white);
    border-radius: 3px;
    text-align: center;
    line-height: 30px;
    font-weight: bold;
    font-size: 1.2rem;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.3s;
}

.footer-social .fb-icon:hover {
    background: #4267B2;
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.footer-bottom-links a {
    color: var(--dark-green);
    text-decoration: none;
    font-size: 0.75rem;
    transition: text-decoration 0.3s;
}

.footer-bottom-links a:hover {
    text-decoration: underline;
}

.footer-bottom-links .separator {
    color: var(--dark-green);
    margin: 0 5px;
}

.footer-copyright {
    color: #999;
    font-size: 0.75rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin-left: auto;
}

.footer-copyright a {
    color: var(--dark-green);
    text-decoration: none;
    font-size: 0.75rem;
    transition: text-decoration 0.3s;
}

.footer-copyright a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .office-grid, .workspace-grid, .services-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav ul li {
        margin: 5px 10px;
    }
    
    .hero h1 {
        font-size: 1.6rem;
    }

    .footer-main {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .footer-bottom-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .footer-bottom-links .separator {
        display: none;
    }
}