:root {
    --primary-color: #1b5e20;
    --secondary-color: #fbc02d;
    --text-main: #333333;
    --text-light: #666666;
    --bg-light: #f4f6f8;
    --white: #ffffff;

    --gray-background: #fcf0f0;

    --font-primary: 'Barlow', sans-serif;
    --font-size-base: 15.2px;             /* Thêm kích thước chuẩn */
    --line-height-base: 22.8px; 

    --spacing-0: 4px;
    --spacing-1: 8px;
    --spacing-2: 16px;
    --spacing-3: 32px;
    --spacing-4: 64px;
    --spacing-5: 80px;

    --border-radius-small: 2px;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(10, 10, 10, 0.1);

    --max-width: 1200px;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-main);
    background-color: var(--white);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: var(--spacing-2);
    color: var(--primary-color);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.6rem;
}

p {
    margin-top: var(--spacing-2);
    margin-bottom: var(--spacing-1);
}

.section {
    width: 100%;
    padding: var(--spacing-4) 0;
    gap: var(--spacing-4);
}
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}
.title-with-line {
    font-size: 26px;
    color: var(--primary-color);
    text-transform: uppercase;
    border-left: 4px solid #df0012;
    padding-left: 15px;
    margin: 0;
    font-weight: 600;
}

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
  
    gap: var(--spacing-4);
}
.container-flex {
    display: flex;
    max-width: var(--max-width);
    margin: 0 auto;
    gap: var(--spacing-2);
    padding: 0 24px;
}





.btn {
    display: inline-block;
    padding: 12px 24px;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #144d18;
    box-shadow: var(--box-shadow);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: #e5a921;
}
/* navbar, header, footer */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: padding 0.3s ease, box-shadow 0.3s ease;
    padding: var(--spacing-2) 0;
}

/* .site-header.is-scrolled {
    padding: var(--spacing-1) 0;
    box-shadow: var(--box-shadow);
} */

/* Logo card thu nhỏ khi header sticky */
/* .site-header.is-scrolled .logo {
    bottom: -16px;
}

.site-header.is-scrolled .logo-card {
    padding: 6px 16px 18px;
}

.site-header.is-scrolled .logo-img {
    height: 38px;
} */

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding-left: 250px; 
}

.logo {
    position: absolute;
    left: 0;
    bottom: -40px; 
    z-index: 1010;
    display: block;
}


.logo-card {
    background-color: #ffffff;
    padding: 20px 20px 26px;
    border-bottom-left-radius: 14px;
    border-bottom-right-radius: 14px;
    display: inline-block;
    transition: padding 0.3s ease;
}

.logo-img {
    height: 105px;
    width: auto;
    padding-top: 10px;
    display: block;
    transition: height 0.3s ease;

    position: relative;
    top: 20px;
}

/* Khung Menu */
.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-2);
    margin: 0;
}

.nav-link {
    color: var(--text-main);
    font-size: 1.1rem;
    font-weight: 450;
    padding: var(--spacing-1);
    display: inline-flex;
    align-items: center;
    transition: color 0.3s ease;
}

.nav-link:hover, 
.nav-link.active {
    color: var(--primary-color);
}

/* Sub-Menu (Dropdown) */
.has-dropdown {
    position: relative;
}

.caret {
    font-size: 0.7em;
    margin-left: 6px;
    transition: transform 0.3s;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    box-shadow: var(--box-shadow);
    list-style: none;
    min-width: 320px; /* Chứa đủ tên dài "Xuất nhập khẩu & Chế biến lương thực" */
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    border-top: 3px solid var(--primary-color); /* Nét cứng, vuông vức chuẩn B2B */
}

/* Hiển thị dropdown khi hover (Desktop) */
@media (min-width: 993px) {
    .has-dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}

.dropdown-menu li a {
    display: block;
    padding: 12px 16px;
    color: var(--text-main);
    font-weight: 500;
    border-bottom: 1px solid var(--bg-light);
    transition: background-color 0.3s, color 0.3s;
}

.dropdown-menu li:last-child a {
    border-bottom: none;
}

.dropdown-menu li a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

/* Cụm Tiện ích: Đổi ngôn ngữ & Nút bấm */
.nav-utils {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}
/* ===== Language Dropdown ===== */
.lang-dropdown {
    position: relative;
    display: inline-block;
}

.lang-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: 1px solid transparent;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: var(--border-radius);
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.3s, background-color 0.3s;
}

.lang-dropdown-toggle:hover {
    border-color: var(--bg-light);
    background-color: var(--bg-light);
}

.lang-dropdown-toggle .flag-icon {
    display: block;
    border-radius: 1px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
    object-fit: cover;
    flex-shrink: 0;
}

.lang-dropdown-toggle .lang-code {
    font-weight: 700;
}

.lang-dropdown-toggle .caret {
    font-size: 0.65em;
    transition: transform 0.3s;
}

.lang-dropdown.is-open .lang-dropdown-toggle .caret {
    transform: rotate(180deg);
}

.lang-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--white);
    box-shadow: var(--box-shadow);
    list-style: none;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.25s ease;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    border-top: 3px solid var(--primary-color);
    z-index: 1020;
    padding: 4px 0;
}

/* Hiển thị dropdown khi hover (Desktop) */
@media (min-width: 993px) {
    .lang-dropdown:hover .lang-dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}

.lang-dropdown.is-open .lang-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--bg-light);
    transition: background-color 0.3s, color 0.3s;
    white-space: nowrap;
}

.lang-dropdown-menu li:last-child a {
    border-bottom: none;
}

.lang-dropdown-menu li a:hover,
.lang-dropdown-menu li a.active {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.lang-dropdown-menu .flag-icon {
    display: block;
    border-radius: 1px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
    object-fit: cover;
    flex-shrink: 0;
}

/* Mobile language dropdown – ẩn trên desktop */
.lang-dropdown--mobile {
    display: none;
}

/* Nhóm lang + hamburger trên mobile */
.mobile-utils {
    display: none;
}
/* Nút Toggle Mobile (Mặc định ẩn trên Desktop) */
.navbar-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    outline: none;
}
.navbar-toggle .bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: all 0.3s ease-in-out;
    border-radius: 2px;
}

/* Hiệu ứng biến thành dấu X khi mở menu */
.navbar-toggle.is-open .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.navbar-toggle.is-open .bar:nth-child(2) {
    opacity: 0;
}
.navbar-toggle.is-open .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}


.footer {
    background-color: var(--primary-color);
    color: rgba(255, 255, 255, 0.8);
    padding-top: 70px;
    padding-bottom: 0;
    font-size: 15px;
    width: 100%;
}

.container-footer {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-col {
    flex: 1;
    min-width: 0;
}

.footer-info-col {
    flex: 1;
}

.footer-info-mid {
    flex: 1;
}

.name-strong {
    
    font-size: 36px;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-1);
}

.footer-info-col {
    display: flex;
    flex-direction: column;
}


.footer-brand-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--spacing-1);
}

.company-name {
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 14px;
    font-size: 15px;
    line-height: 1.4;
}

.company-chairman {
    font-size: 14.5px;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 18px;
    margin-bottom: var(--spacing-1);
    text-transform: uppercase;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background: var(--secondary-color);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    line-height: 1.5;
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    min-width: 18px;
    min-height: 18px;
    flex-shrink: 0;
    fill: none;
    stroke: var(--secondary-color);
    stroke-width: 2;
}

.footer-contact li svg {
    flex-shrink: 0;
}

.footer-contact strong {
    color: #ffffff;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
    color: #ffffff;
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    list-style: none;
}

.footer-links li a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    color: #ffffff;
    position: relative;
    padding-left: 0;
    word-break: break-word;
}

.footer-links li a:hover {
    transform: translateX(6px);
    opacity: 0.9;
    color: #ffffff;
}

/* --- Social SVG icons --- */
.social-svg {
    width: 18px;
    height: 18px;
    min-width: 18px;
    min-height: 18px;
    flex-shrink: 0;
    fill: currentColor;
    opacity: 0.85;
    transition: opacity 0.3s ease;
}

.footer-links li a:hover .social-svg {
    opacity: 1;
}

.footer-bottom {
    background-color: var(--primary-color);
    padding: 20px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
}

.footer-bottom p {
    margin: 0;
    font-size: 13.5px;
    color: rgba(255, 255, 255, 0.6);
    text-align: center !important;
    padding: 0 20px;
}


/* ============================================================
   RESPONSIVE – GLOBAL (style.css)
   ============================================================ */

/* ----- Tablet: ≤ 992px ----- */
@media (max-width: 992px) {

    /* --- Navbar Mobile --- */
    .navbar-toggle {
        display: block;
        z-index: 1020;
        order: 10;
    }

    .navbar-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        align-items: stretch;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
        padding: 0 var(--spacing-2);
    }

    .navbar-menu.is-open {
        max-height: 100vh;
        opacity: 1;
        padding: var(--spacing-2);
        overflow-y: auto;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .nav-link {
        padding: 14px var(--spacing-1);
        border-bottom: 1px solid var(--bg-light);
        font-size: 1.05rem;
        width: 100%;
    }

    .nav-item:last-child > .nav-link {
        border-bottom: none;
    }

    /* Dropdown mobile: hiển thị tĩnh, đẩy nội dung */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-top: none;
        border-radius: 0;
        min-width: unset;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
        padding: 0;
        background-color: var(--bg-light);
    }

    .has-dropdown.is-open .dropdown-menu {
        max-height: 500px;
    }

    .dropdown-menu li a {
        padding: 12px 16px 12px 32px;
        font-size: 0.95rem;
    }

    .caret {
        transition: transform 0.3s;
    }

    .has-dropdown.is-open > .dropdown-toggle .caret {
        transform: rotate(180deg);
    }

    /* Ẩn nav-utils desktop, hiện language dropdown ngoài menu mobile */
    .nav-utils {
        display: none;
    }

    .mobile-utils {
        display: flex;
        align-items: center;
        gap: 4px;
        order: 10;
    }

    .lang-dropdown--mobile {
        display: inline-block;
    }

    /* --- Header --- */
    .site-header {
        padding: 14px 0;
    }

    .header-container {
        padding-left: 180px;
        padding-right: var(--spacing-2);
        justify-content: flex-end;
    }

    .logo {
        bottom: -38px;
        left: 16px;
    }

    .logo-card {
        padding: 12px 20px 32px;
        border-bottom-left-radius: 14px;
        border-bottom-right-radius: 14px;
    }

    .logo-img {
        height: 84px;
        width: auto;
        top: 25px;
    }

    /* --- Footer --- */
    .footer-grid {
        gap: 30px;
        flex-wrap: wrap;
    }

    .footer-col {
        flex: 0 0 calc(50% - 15px);
    }

    .footer-col:last-child {
        flex: 0 0 100%;
    }

    .footer-links {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 12px 24px;
    }
}

/* ----- Mobile: < 768px ----- */
@media (max-width: 768px) {

    /* --- Global typography --- */
    body {
        font-size: 15px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    h3 {
        font-size: 1.3rem;
    }

    .section {
        padding: var(--spacing-3) 0;
    }

    .container {
        width: 92%;
    }

    .container-flex {
        flex-direction: column;
        padding: 0 16px;
    }

    .title-with-line {
        font-size: 20px;
    }

    /* --- Navbar --- */
    .header-container {
        padding-left: 140px;
        padding-right: var(--spacing-1);
    }

    .logo {
        bottom: -30px;
        left: 12px;
    }

    .logo-card {
        padding: 7px 16px 24px;
        border-bottom-left-radius: 12px;
        border-bottom-right-radius: 12px;
    }

    .logo-img {
        height: 80px;
        width: auto;
        top: 16px;
    }

    .nav-link {
        padding: 12px var(--spacing-1);
        font-size: 1rem;
    }

    /* --- Footer --- */
    .footer {
        padding-top: 40px;
    }

    .container-footer {
        padding: 0 16px;
    }

    .footer-grid {
        flex-direction: column;
        gap: 30px;
    }

    .footer-col {
        flex: 0 0 100%;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-2);
    }

    .company-name {
        margin-bottom: 10px;
    }

    .name-strong {
        font-size: 28px;
    }

    .footer-col h4 {
        font-size: 16px;
    }

    .footer-col h4::after {
        left: 0;
    }

    .footer-bottom p {
        font-size: 12px;
        padding: 0 12px;
    }
}

/* ----- Small phones: ≤ 480px ----- */
@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.3rem; }
    h3 { font-size: 1.1rem; }

    .site-header {
        padding: 8px 0;
    }

    .header-container {
        padding-left: 110px;
        padding-right: var(--spacing-1);
    }

    .logo {
        bottom: -26px;
        left: 8px;
    }

    .logo-card {
        padding: 9px 12px 20px;
        border-bottom-left-radius: 10px;
        border-bottom-right-radius: 10px;
    }

    .logo-img {
        height: 82px;
        width: auto;
        padding: 5px;
        top: 20px;
    }

    .title-with-line {
        font-size: 17px;
        border-left-width: 3px;
        padding-left: 10px;
    }

    .footer {
        padding-top: 30px;
    }

    .container-footer {
        padding: 0 12px;
    }

    .container-flex {
        padding: 0 12px;
    }

    .name-strong {
        font-size: 22px;
    }

    .footer-grid {
        gap: 20px;
    }

    .company-name {
        margin-bottom: 8px;
    }

    .footer-bottom p {
        font-size: 11px;
    }
}

/* ----- Desktop: ≥ 993px ----- */
@media (min-width: 993px) {
    .footer-info-col {
        flex: 0 0 320px;
        max-width: 400px;
    }

    .footer-info-mid {
        flex: 0 0 320px;
        max-width: 400px;
    }
}