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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* True Parallax background for specific sections (News + Projects) */
.parallax-section {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    --parallax-y: 0px;
}

.parallax-section::before {
    content: '';
    position: absolute;
    /* Giảm overscan để hạn chế phóng ảnh quá nhiều (đỡ bể trên màn hình lớn) */
    inset: -12%;
    background-image: var(--parallax-image);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    /* Rõ nét hơn */
    filter: none;
    transform: translate3d(0, var(--parallax-y, 0px), 0) scale(1.03);
    opacity: var(--parallax-opacity, 0.88);
    z-index: -2;
    pointer-events: none;
    will-change: transform;
}

.parallax-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--parallax-overlay);
    z-index: -1;
    pointer-events: none;
}

.parallax-section--day {
    --parallax-image: url("../../image/pexels-quang-nguyen-vinh-222549-2132603.jpg");
    --parallax-overlay: rgba(255, 255, 255, 0.28);
    --parallax-opacity: 1;
}

.parallax-section--night {
    --parallax-image: url("../../image/pexels-minan1398-941195.jpg");
    --parallax-overlay: rgba(8, 10, 16, 0.28);
    --parallax-opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    .parallax-section::before {
        transform: scale(1.08);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.projects-section .container {
    max-width: 1400px;
}

/* Header Image */
.header-image {
    width: 100%;
}

.header-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Header */
.header {
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 998;
    width: 100%;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.35rem 0.9rem;
    gap: 1rem;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-bottom {
    /* Nền khác để tách tầng menu dưới header */
    background: #ff6b35;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    position: relative;
    z-index: 999;
}

.header-bottom .nav-menu {
    justify-content: center;
    padding: 0.25rem 0;
    display: flex;
    flex-wrap: wrap;
}

.header-bottom .nav-menu li {
    flex: 0 0 auto;
    padding: 0 1.2rem;
    position: relative;
}

.header-bottom .nav-menu a {
    font-size: 0.95rem;
    color: #fff;
    padding: 8px 10px;
    border-radius: 10px;
    transition: background-color 0.2s ease, color 0.2s ease;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

.header-bottom .nav-menu a:hover,
.header-bottom .nav-menu a:focus-visible {
    color: #fff;
    background: rgba(255, 255, 255, 0.16);
    outline: none;
}

.header-bottom .nav-menu li.has-dropdown {
    position: relative;
}

.header-bottom .nav-menu li.has-dropdown>a {
    position: relative;
}

.header-bottom .nav-menu li.has-dropdown>a .fa-chevron-down {
    font-size: 0.7rem;
    margin-left: 5px;
    transition: transform 0.3s;
    display: inline-block;
    vertical-align: middle;
}

.header-bottom .nav-menu li.has-dropdown:hover>a .fa-chevron-down {
    transform: rotate(180deg);
}

.header-bottom .nav-menu .dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: #fff;
    min-width: 220px;
    max-width: 300px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    padding: 8px 0;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
    list-style: none;
    white-space: nowrap;
    overflow: hidden;
}

.header-bottom .nav-menu li.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.header-bottom .nav-menu .dropdown-menu li {
    padding: 0;
    display: block;
    flex: none;
    width: 100%;
    margin: 0;
}

.header-bottom .nav-menu .dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: #333;
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: none;
    letter-spacing: normal;
    transition: background-color 0.2s, color 0.2s;
    white-space: nowrap;
    border-radius: 0;
    width: 100%;
    text-align: left;
}

.header-bottom .nav-menu .dropdown-menu a:hover {
    background: #f8f9fa;
    color: #ff6b35;
}

.navbar-logo {
    display: block;
}

.navbar-logo img {
    height: 64px;
    width: auto;
    object-fit: contain;
}

.hotline a {
    color: white;
    font-size: 1.15rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    background: #ff0000;
    padding: 8px 16px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hotline a:hover {
    background: #cc0000;
}

.search-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 50px;
    border: 2px solid #ff6b35;
    background: rgba(255, 255, 255, 0.95);
    color: #ff6b35;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.search-toggle:hover {
    background: #ff6b35;
    color: #fff;
    transform: translateY(-1px);
}

.search-icon {
    font-size: 1.1rem;
    line-height: 1;
}

/* Search modal */
.search-modal {
    position: fixed;
    inset: 0;
    z-index: 1101;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.search-modal.active {
    opacity: 1;
    visibility: visible;
}

.search-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
}

.search-modal__panel {
    position: relative;
    width: min(720px, calc(100% - 24px));
    margin: 90px auto 0;
    background: #fff;
    border-radius: 14px;
    padding: 50px 16px 16px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

.search-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: #fff;
    color: #333;
    font-size: 22px;
    cursor: pointer;
    z-index: 10;
}

.search-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    align-items: center;
    padding-right: 0;
}

.search-input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    font-size: 1rem;
    outline: none;
}

.search-input:focus {
    border-color: #ff6b35;
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.18);
}

.search-submit {
    padding: 12px 16px;
    border-radius: 12px;
    border: 2px solid #ff6b35;
    background: #ff6b35;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.search-submit:hover {
    transform: translateY(-1px);
}

.search-message {
    margin-top: 10px;
    color: #c0392b;
    font-weight: 600;
    min-height: 1.2em;
}

.search-hit {
    background: rgba(255, 235, 59, 0.55);
    box-shadow: 0 0 0 4px rgba(255, 235, 59, 0.28);
    border-radius: 6px;
}

.phone-icon {
    background: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 0 1rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 1.0rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: color 0.3s;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    white-space: nowrap;
}

.nav-menu a:hover {
    color: #ff6b35;
}


/* Hamburger Menu - Chỉ hiển thị trên mobile */
.hamburger {
    display: none;
    background: #ff6b35;
    border: 2px solid #ff6b35;
    cursor: pointer;
    padding: 8px 12px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    border-radius: 4px;
    transition: all 0.3s;
    align-items: center;
    justify-content: center;
}

.hamburger:hover {
    background: #e55a25;
    border-color: #e55a25;
    transform: scale(1.05);
}

/* Sidebar - Modern Design */
.sidebar {
    position: fixed;
    top: 0;
    left: -320px;
    width: 320px;
    height: 100vh;
    background: linear-gradient(180deg, #ff6b35 0%, #e55a25 50%, #d14b18 100%);
    z-index: 1000;
    transition: left 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
    box-shadow: 5px 0 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.sidebar.active {
    left: 0;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.sidebar-header-title {
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.close-btn {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.close-icon {
    font-weight: bold;
}

.sidebar-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px 20px 20px;
    gap: 12px;
}

.sidebar-logo img {
    height: 70px;
    width: auto;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.sidebar-logo img:hover {
    transform: scale(1.05);
}

.sidebar-company-name {
    color: white;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 3px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 10px 0;
}

.sidebar-menu {
    list-style: none;
    padding: 0 16px;
    margin: 0;
}

.sidebar-menu li {
    margin-bottom: 6px;
}

.sidebar-menu>li>a {
    display: flex;
    align-items: center;
    gap: 14px;
    color: white;
    text-decoration: none;
    padding: 14px 18px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid transparent;
}

.sidebar-menu>li>a:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateX(6px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.menu-icon {
    font-size: 1.3rem;
    width: 28px;
    text-align: center;
    flex-shrink: 0;
}

.menu-text {
    flex: 1;
}

.menu-arrow {
    font-size: 1.4rem;
    opacity: 0.6;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.sidebar-menu>li>a:hover .menu-arrow {
    transform: translateX(4px);
    opacity: 1;
}

.menu-chevron {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.sidebar-menu li.has-submenu.active .menu-chevron {
    transform: rotate(180deg);
}

.sidebar-menu .submenu {
    list-style: none;
    padding: 0;
    margin: 8px 0 0 42px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.sidebar-menu li.has-submenu.active .submenu {
    max-height: 300px;
}

.sidebar-menu .submenu li {
    margin-bottom: 0;
}

.sidebar-menu .submenu a {
    display: block;
    padding: 12px 16px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.2s ease;
}

.sidebar-menu .submenu a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding-left: 20px;
}

.sidebar-footer {
    padding: 20px;
    background: rgba(0, 0, 0, 0.15);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.sidebar-hotline {
    margin-bottom: 16px;
}

.sidebar-hotline a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: white;
    text-decoration: none;
    font-size: 1.15rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
    padding: 14px 20px;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
}

.sidebar-hotline a:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 0, 0, 0.4);
}

.hotline-icon {
    font-size: 1.2rem;
    animation: shake 2s infinite;
}

@keyframes shake {

    0%,
    100% {
        transform: rotate(0deg);
    }

    5%,
    15% {
        transform: rotate(-10deg);
    }

    10%,
    20% {
        transform: rotate(10deg);
    }

    25% {
        transform: rotate(0deg);
    }
}

.hotline-text {
    font-weight: 700;
}

.sidebar-social {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    font-size: 1.3rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px) scale(1.1);
}

.sidebar-copyright {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    font-weight: 500;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Banner Section */
.banner {
    width: 100%;
    position: relative;
    overflow: hidden;
    /* Nhỏ banner lại một chút nhưng vẫn responsive */
    height: clamp(220px, 28vw, 420px);
}

.banner-slider {
    width: 100%;
    position: relative;
    height: 100%;
}

.banner-slide {
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    height: 100%;
}

.banner-slide.active {
    position: relative;
    opacity: 1;
    height: 100%;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* News Section */
.news {
    padding: 40px 0;
    background: transparent;
}

.about {
    padding: 44px 0;
    background-image: url("../../image/background_01.png");
    background-repeat: repeat;
    background-size: auto;
    background-position: center;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.about__grid {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 28px;
}

.about__logo {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: auto;
    height: auto;
    padding: 0;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
}

.about__logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.about__logo-text {
    width: auto;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.1;
    /* UTM Avo (nếu máy có cài font). Nếu muốn hiển thị giống nhau trên mọi máy,
       hãy nhúng font bằng @font-face (cần file .woff2/.woff/.ttf). */
    font-family: 'UTM Avo', 'UTM-Avo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-transform: none;
    letter-spacing: normal;
}

.about__logo-line1 {
    font-size: clamp(1.15rem, 1.3vw, 1.4rem);
    font-weight: 400;
    color: #111;
    text-transform: none;
}

.about__logo-line2 {
    margin-top: 6px;
    font-size: clamp(1.9rem, 2.6vw, 2.45rem);
    font-weight: 900;
    color: #ff6b35;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}

.about__logo-hyphen {
    color: #dc2626;
    padding: 0 2px;
}

.about__text {
    flex: 1;
}

.about__quote {
    position: relative;
    /* chừa không gian để quote-right lớn ở góc dưới phải */
    padding: 28px 28px 78px;
}

.about__quote-top {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    justify-content: space-between;
}

.about__quote-top p {
    margin: 0;
    font-size: 18px;
    line-height: 1.8;
    flex: 1;
}

.about__more-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 14px;
    min-width: 150px;
    padding: 6px 18px;
    line-height: 1.1;
    font-size: 0.95rem;
    border-radius: 50px;
    background: #ff6b35;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    border: 2px solid #ff6b35;
    transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.about__more-btn:hover {
    transform: translateY(-1px);
    background: #fff;
    color: #ff6b35;
}

.about__more-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.25);
}

.about__quote-icon {
    font-size: 60px;
    color: #dc2626;
    pointer-events: none;
    line-height: 1;
}

/* Override Font Awesome `.fa { font: ... 14px/1 ... }` if it loads after */
.about__quote-icon.fa {
    font-size: 60px;
    color: #dc2626;
}

.about__quote-icon--tl {
    flex: 0 0 auto;
    margin-top: 2px;
}

.about__quote-icon--br {
    flex: 0 0 auto;
    margin-top: 20px;
    align-self: flex-end;
}

.about h2 {
    text-align: left;
    font-size: 2rem;
    margin-bottom: 1.25rem;
    color: #ff6b35;
    font-weight: 700;
    position: relative;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    transform: none;
    width: 80px;
    height: 3px;
    background: #ff6b35;
    border-radius: 2px;
}

.about p {
    max-width: 980px;
    margin: 1.2rem 0 0;
    font-size: 1.05rem;
    line-height: 1.9;
    color: #333;
    text-align: left;
}

@media (max-width: 767px) {
    .about__grid {
        flex-direction: column;
        text-align: center;
    }

    .about h2 {
        text-align: center;
    }

    .about h2::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .about p {
        text-align: center;
        margin-top: 1.25rem;
    }

    .about__quote-icon {
        display: none;
    }
}

.news h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #ff6b35;
    font-weight: 700;
    position: relative;
}

.news h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #ff6b35;
    border-radius: 2px;
}

.featured-news {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.35s ease;
    will-change: transform;
}

.featured-news:hover {
    transform: translateX(10px);
}

.news-image {
    flex: 1;
    max-width: 350px;
}

.news-image img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    display: block;
}

.news-content {
    flex: 2;
    padding: 2rem;
}

.news-content h3 {
    color: #2c5aa0;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.news-content p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.news-date {
    color: #ff6b35;
    font-size: 0.9rem;
    font-weight: 600;
}

.other-news {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 0;
    max-width: 1200px;
}

.news-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease;
    box-sizing: border-box;
    width: 100%;
}

.news-item:hover {
    transform: translateY(-8px);
}

.news-item img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    display: block;
    border-radius: 0;
}

.news-info {
    padding: 1.5rem;
}

.news-info h4 {
    color: #2c5aa0;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.news-info p {
    font-size: 0.85rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Projects Section */
.projects-section {
    padding: 60px 0;
    background: transparent;
}

.projects-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #ff6b35;
    font-weight: 700;
    position: relative;
}

.projects-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #ff6b35;
    border-radius: 2px;
}

.projects-wrapper {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.projects-navigation {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.projects-slider {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
    padding: 0 20px;
}

.project-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.project-item:hover {
    transform: translateY(-8px);
}

.project-item img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    display: block;
    border-radius: 0;
}

.project-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-info h4 {
    color: #2c5aa0;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-info p {
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.9);
    color: #ff6b35;
    border: 2px solid #ff6b35;
    width: 45px;
    height: 45px;
    font-size: 1.8rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Arial', sans-serif;
    border-radius: 50%;
}

.nav-btn:hover {
    background: #ff6b35;
    color: white;
    transform: scale(1.1);
}

/* News Navigation */
.news-navigation {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
}

.news-nav-btn {
    background: #fff;
    color: #ff6b35;
    border: 2px solid #ff6b35;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-nav-btn:hover {
    background: #ff6b35;
    color: white;
    transform: translateY(-2px);
}

.news-nav-btn.active {
    background: #ff6b35;
    color: white;
}

/* Footer */
.footer {
    background: #34383c;
    color: rgba(255, 255, 255, 0.9);
    padding: 2rem 0 1rem 0;
    margin-top: 0;
    border-top: 4px solid #ff6b35;
    position: relative;
}

.footer::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: #ff6b35;
}

.footer-menu {
    text-align: center;
    padding: 1rem 0;
    font-size: 1.1rem;
}

.footer-menu a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 0 1.5rem;
    transition: color 0.3s;
}

.footer-menu a:hover {
    color: #ff6b35;
}

.footer-content {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.footer-logo {
    flex-shrink: 0;
}

.footer-logo img {
    width: 100px;
    height: auto;
    object-fit: contain;
    border-radius: 10px;
}

.footer-info p {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.85);
}

/* Responsive */
@media (min-width: 768px) and (max-width: 1023px) {
    .nav-menu li {
        padding: 0 0.5rem;
    }

    .featured-news {
        flex-direction: column;
        gap: 1.5rem;
    }

    .news-image {
        max-width: 100%;
    }

    .other-news {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .projects-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .nav-btn {
        width: 50px;
        height: 50px;
        font-size: 2rem;
        border-radius: 50%;
    }
}

@media (min-width: 480px) and (max-width: 767px) {

    .news h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .featured-news {
        flex-direction: column;
        gap: 1rem;
    }

    .news-content {
        padding: 1.5rem;
    }

    .other-news {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .news-info {
        padding: 1rem;
    }

    .projects-section {
        padding: 40px 0;
    }

    .projects-section h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .projects-container {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .projects-wrapper {
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .project-info {
        padding: 1rem;
    }

    .nav-btn {
        width: 45px;
        height: 45px;
        font-size: 1.8rem;
        border-radius: 50%;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
}

@media (max-width: 767px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
    }

    .header-bottom .nav-menu {
        display: none;
    }

    .header-bottom .nav-menu .dropdown-menu {
        display: none;
    }

    .hotline {
        display: none;
    }

    .search-toggle .search-text {
        display: none;
    }

    .navbar-logo {
        display: block;
    }

    .navbar {
        justify-content: space-between;
        padding: 1rem;
    }

    /* Mobile sidebar adjustments */
    .sidebar {
        width: 280px;
    }

    .sidebar-menu a {
        font-size: 1rem;
        padding: 12px 20px;
    }

    .sidebar-menu .submenu a {
        font-size: 0.9rem;
        padding: 10px 35px;
    }

    /* Show hamburger menu on mobile */
    .hamburger {
        display: flex;
    }
}

@media (max-width: 479px) {
    .container {
        padding: 0 10px;
    }

    .news h2 {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }

    .featured-news {
        flex-direction: column;
        gap: 1rem;
    }

    .news-content {
        padding: 1rem;
    }

    .news-content h3 {
        font-size: 1.1rem;
    }

    .other-news {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .news-info {
        padding: 1rem;
    }

    .news-info h4 {
        font-size: 1rem;
    }

    .news-info p {
        font-size: 0.8rem;
    }

    .projects-section {
        padding: 30px 0;
    }

    .projects-section h2 {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }

    .projects-container {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .projects-wrapper {
        flex-direction: column;
        gap: 1rem;
        margin-bottom: 1.5rem;
        display: block;
    }

    .project-item {
        margin: 0 -10px;
    }

    .project-item img {
        height: 300px;
        border-radius: 0;
    }

    .project-info {
        padding: 1rem;
    }

    .project-info h4 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .project-info p {
        font-size: 0.8rem;
        margin-bottom: 1rem;
    }

    .nav-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
        border-radius: 50%;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-logo img {
        width: 100px;
    }

    .footer-info p {
        font-size: 0.8rem;
    }
}