/* ========================================
   RESET & BASE STYLES
======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', Helvetica, sans-serif;
  background-color: var(--primary-01);
  color: var(--primary-09);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ========================================
   CONTAINER & LAYOUT
======================================== */
.container {
  width: 100%;
  max-width: 1256px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-fluid {
  width: 100%;
  margin: 0 auto;
}

.row {
  width: 100%;
}

/* ========================================
   HEADER STYLES
======================================== */
.site-header {
  width: 100%;
  background-color: var(--neutral-01);
}

/*.header-top {*/
/*  background-color: #fa0308;*/
/*  height: 56px;*/
/*}*/

.header-main {
  padding: 10px 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo img {
  width: 87px;
  height: 87px;
  border-radius: 50%;
  object-fit: cover;
}

.header-info {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.info-item img {
  width: 18px;
  height: 18px;
}

.info-item p {
  font-size: 16px;
  font-weight: 600;
  color: #263238;
}

.phone {
  font-size: 15px;
  font-weight: 600;
  color: #000000;
}

.social-icons {
  width: auto;
  height: 24px;
  animation: ring 1s infinite ease-in-out;
}

/* ========================================
   NAVIGATION STYLES
======================================== */
.main-nav {
    background-color: var(--neutral-01);
    border-top: 1px solid #f0f0f0;
    color: #000000;
    padding: 5px 0;
    top: 0;
    z-index: 1000;
}

.main-nav .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0;
}

.nav-toggle {
  display: none;
  font-size: 24px;
  color: #000;
  padding: 10px;
  z-index: 1001;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 55px;
  padding: 0;
  margin: 0;
}

.nav-menu li {
  position: relative;
}


.nav-menu li a {
  font-size: 18px;
  font-weight: 500;
  color: #000000;
  transition: color 0.3s;
}

.nav-menu li.active a {
  font-weight: 700;
}

.nav-menu li a:hover {
  color: #ff0307;
}

.cart-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.cart-icon img {
  width: 24px;
  height: 24px;
}

.cart-badge {
  position: absolute;
  top: -6px;
  right: -8px;
  background-color: #ffd603;
  color: #fff;
  font-size: 8px;
  font-weight: 400;
  padding: 2px 5px;
  border-radius: 8px;
  min-width: 16px;
  text-align: center;
}

/* ========================================
   HERO SECTION
======================================== */


.hero-content {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-image {
  width: 100%;
  height: 703px;
  object-fit: cover;
  filter: brightness(0.6);
}
.overlay-content {
    position: absolute;
    left: 17%;
    bottom: 12%;
    width: 100%;
    max-width: 1256px;
    margin: 0 auto;
    padding: 0 20px;
}
.overlay-content h1 {
    font-size: 3.5em;
    margin-bottom: 15px;
    font-weight: bold;
    color: #ffffff;
}
.overlay-content p {
    font-size: 1.2em;
    line-height: 1.6;
    color: #ffffff;
}
/* Media Query cho Mobile (ví dụ: màn hình nhỏ hơn 768px) */
@media (max-width: 768px) {
    .hero-image {
        height: 300px;
    }
    .overlay-content {
    left: 0;
    bottom: 0;
    }
    .overlay-content h1 {
        font-size: 21px;
        margin-bottom: 2px;
    }
    .overlay-content p {
        font-size: 11px;
    }
}

/* Nếu bạn muốn linh hoạt hơn nữa, có thể thêm một breakpoint khác */
@media (max-width: 480px) { /* Cho các điện thoại rất nhỏ */
    .hero-image {
        height: 200px; /* Chiều cao nhỏ hơn nữa */
    }
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
}

.hero-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.hero-text img {
  max-width: 100%;
  height: auto;
}

/* ========================================
   INTRO SECTION
======================================== */
.intro-section {
  background-color: #ffffff;
  padding: 30px 0;
}


.section-title-wrapper img {
  max-width: 100%;
  height: auto;
}
p{
    margin-bottom: 1.3em;
    margin-top: 0;
    color: rgb(0, 0, 0);
}
div#gioi-thieu p {
    font-size: 20px;
}
/* ========================================
   SERVICES CATEGORIES SECTION
======================================== */
.services-categories-section {
  padding: 30px 0;
  background-color: var(--neutral-01);
}

.services-categories-wrapper {
    display: grid;
    gap: 30px;
    grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 768px) {
    .services-categories-wrapper {
        grid-template-columns: repeat(1, 1fr);
        gap: 20px;
    }
}
.category-card {
    background-color: var(--white);
    padding: 24px;
    border: 1px solid #eee;
    border-radius: 8px;
    text-align: left;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    box-shadow: 1px 0px 5px 0px #ff000054;
}

.category-card img {
    width: 21%;
    height: 44%;
}
@media (max-width: 768px) {
    .category-card {
        padding: 13px;
    }
    .category-card img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    }
}

.category-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--x-263238);
  line-height: 24px;
}

.category-card p {
    font-size: 17px;
    font-weight: 400;
    color: var(--neutral-07);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 24px;
    margin-bottom: 0;
}


.pagination-dots {
  display: flex;
  justify-content: center;
  gap: 2px;
  margin-top: 16px;
}

.dot {
  width: 16px;
  height: 4px;
  background-color: #d9d9d9;
  border-radius: 40px;
}

.dot.active {
  background-color: #ff0408;
  width: 18px;
}

/* ========================================
   SEARCH SECTION
======================================== */
.search-section {
  padding: 40px 0;
}

.search-wrapper {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.search-tags {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.tag-btn {
  padding: 16px 24px;
  background-color: #ec0104;
  color: #ffffff;
  font-size: 18px;
  font-weight: 400;
  border-radius: 8px;
  transition: background-color 0.3s;
}

.tag-btn:hover {
  background-color: #c00103;
}

.search-input-wrapper {
  flex: 1;
  min-width: 300px;
}

.search-input {
  width: 100%;
  padding: 16px;
  background-color: #ffffff;
  border: none;
  border-radius: 8px;
  box-shadow: 0px 0px 12px rgba(15, 61, 145, 0.12);
  font-size: 16px;
  color: var(--x-858688);
}

.search-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background-color: #adb3b9;
  color: #ffffff;
  font-size: 18px;
  border-radius: 8px;
  transition: background-color 0.3s;
}

.search-btn:hover {
  background-color: #8a9099;
}

.search-btn img {
  width: 24px;
  height: 24px;
}

/* ========================================
   SERVICES SECTION
======================================== */
.services-section {
  padding: 30px 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 20px;
}

.section-title {
    align-items: center;
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    position: relative;
    width: 100%;
}
h1, h2, h3, h4, h5, h6, .heading-font, .banner h1, .banner h2 {
    font-weight: 700;
    font-style: normal;
    font-size: 1.6em;
    color: #000250;
    font-family: Roboto, sans-serif;
    line-height: 1.3;
    margin-bottom: .5em;
    margin-top: 0;
    text-rendering: optimizeSpeed;
}
.section-title.section-title-center span {
    text-align: center;
    border-bottom: 4px solid red;
}
.section-title-normal span {
    border-bottom: 5px solid red;
}
.section-title.section-title-normal {
    margin-bottom: 0;
}
.section-title.title-normal {
    width: auto;
}
.view-all-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 24px;
  font-weight: 500;
  color: #df3e23;
}

.view-all-link i {
  font-size: 20px;
}

.services-grid {
  display: grid;
  gap: 30px;
  grid-template-columns: repeat(3, 1fr);
}

.service-card {
  background-color: #fcfcfd;
  border-radius: 16px;
  box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.1);
  padding: 12px;
  transition: transform 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
}

.service-card img {
  width: 100%;
  height: 307px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 12px;
}

.service-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-08);
  margin-bottom: 0;
}

.service-content p {
  font-size: 13px;
  font-weight: 500;
  color: var(--accessed-1b-24);
  line-height: 20px;
  margin-bottom: 0;
}
@media (max-width: 768px) {
    .service-content {
        /* 1. Căn giữa các mục con theo chiều ngang (Cross Axis) */
        align-items: center; 
        
        /* 2. Căn giữa văn bản bên trong các mục con */
        text-align: center;
    }
    .service-content p {
        font-size: 14px;
    }
}
.service-cta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 10px 6px;
    background-color: #df3e23;
    color: var(--ffffff);
    font-size: 12px;
    border-radius: 8px;
    width: auto;
    justify-content: center;
}

.service-cta img {
  width: 16px;
  height: 16px;
  margin: 0;
}

/* ========================================
   ABOUT SECTION
======================================== */
.about-section {
  padding: 30px 0;
}

.about-section img {
    width: 100%;
    height: 571px;
    object-fit: cover;
    object-position: center;
}
@media (max-width: 480px) {
    .about-section img {
        height: 200px;
    }
}
/* ========================================
   SERVICE TYPES SECTION
======================================== */
.service-types-section {
  padding: 30px 0;
}

.service-types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.service-type-card {
  background-color: #fcfcfd;
  border-radius: 16px;
  box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.1);
  padding: 15px;
  transition: transform 0.3s;
}

.service-type-card:hover {
  transform: translateY(-5px);
}

.service-type-card img {
  width: 100%;
  height: 225px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 12px;
  object-position: top;
}

.service-type-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.service-type-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-08);
}

.service-type-content p {
  font-size: 16px;
  font-weight: 400;
  color: var(--neutral-08);
  line-height: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0;
}
/* ========================================
   STATS SECTION
======================================== */
.stats-section {
  padding: 30px 0;
  background-color: var(--neutral-01);
}
a.service-cta span {
    color: #ffffff;
}
.stats-content {
  display: flex;
  gap: 122px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.stats-text {
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.stats-text img {
  max-width: 100%;
  height: auto;
}

.stats-buttons {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.btn {
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 700;
  border-radius: 8px;
  transition: all 0.3s;
  display: inline-block;
}

.btn-primary {
  background-color: #df3e23;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #c03520;
}

.btn-outline {
  background-color: transparent;
  color: #df3e23;
  border: 2px solid #df3e23;
}

.btn-outline:hover {
  background-color: #df3e23;
  color: #ffffff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  flex: 1;
  min-width: 300px;
}

.stat-card {
  background-color: var(--neutral-01);
  border-radius: 10px;
  box-shadow: 0px 4px 20px rgba(2, 53, 95, 0.1);
  padding: 40px 20px;
  text-align: center;
  position: relative;
}

.stat-card.bordered {
  border: 2px solid #adb1b8;
}

.stat-card img {
  width: 60px;
  height: auto;
  margin: 0 auto 20px;
}

.stat-number {
  font-size: 40px;
  font-weight: 700;
  color: #df3e23;
  line-height: 48px;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 16px;
  font-weight: 400;
  color: var(--primary-09);
  line-height: 16px;
}

/* ========================================
   RECRUITMENT SECTION
======================================== */
.recruitment-section {
  padding: 30px 0;
}

.recruitment-card {
  background-color: #fcfcfd;
  border-radius: 16px;
  box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.recruitment-card img {
  width: 100%;
  height: 530px;
  object-fit: cover;
  object-position: top;
}

.recruitment-content {
  padding: 16px;
}

.recruitment-content h3 {
  font-size: 26px;
  font-weight: 700;
  color: var(--primary-08);
  margin-bottom: 8px;
}

.recruitment-content p {
  font-size: 19px;
  font-weight: 400;
  color: var(--neutral-08);
  line-height: normal;
  text-align: justify;
}

/* ========================================
   EQUIPMENT SECTION
======================================== */
.equipment-section {
  padding: 30px 0;
}

.equipment-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.equipment-category {
  background-color: #ffffff;
  border-radius: 16px;
  box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.1);
  padding: 24px;
  text-align: center;
}

.equipment-images {
  display: flex;
  gap: 5px;
  justify-content: center;
  margin-bottom: 12px;
}

.equipment-images img {
  width: 60px;
  height: 64px;
  object-fit: cover;
  border-radius: 8px;
  border: 0.5px solid #00adef;
}

.equipment-category h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-08);
  margin-bottom: 4px;
}

.equipment-category p {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-848589);
  line-height: 20px;
}

.equipment-products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.equipment-product-card {
  background-color: #fcfcfd;
  border-radius: 16px;
  box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.1);
  padding: 12px;
}

.equipment-product-card img {
  width: 100%;
  height: 199px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 12px;
}

.product-content h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-08);
    margin-bottom: 8px;
    line-height: normal;
    text-align: center;
    height: 43px;
}

.product-content p {
  font-size: 15px;
  font-weight: 400;
  color: var(--neutral-08);
  line-height: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-align: justify;
  margin-bottom: 7px;
}

/* ========================================
   CONTACT FORM SECTION
======================================== */
.contact-form-section {
  padding: 30px 0;
}

.contact-form-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  box-shadow: 0px 4px 20px rgba(2, 53, 95, 0.1);
  border-radius: 16px;
  overflow: hidden;
}

.form-container {
  background-color: #ffffff;
  padding: 56px 24px;
  border-radius: 16px 0 0 16px;
}

.form-container > img {
  width: 100%;
  max-width: 340px;
  margin-bottom: 16px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--primary-02);
  border: none;
  border-radius: 5px;
  font-size: 16px;
  color: var(--text-858688);
}

.form-input.half {
  width: calc(50% - 8px);
}

.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--primary-02);
  border: none;
  border-radius: 5px;
  font-size: 16px;
  color: var(--text-858688);
  min-height: 109px;
  resize: vertical;
  font-family: inherit;
}

.contact-form > img {
  width: 100%;
  max-width: 384px;
  margin: 8px 0;
}

.form-submit {
  width: 100%;
  padding: 16px 24px;
  background-color: #ff0307;
  color: var(--neutral-01);
  font-size: 18px;
  font-weight: 700;
  border-radius: 42px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.form-submit:hover {
  background-color: #0a1a5a;
}

.map-container {
  background-color: #f5f5f5;
  border-radius: 0 16px 16px 0;
  overflow: hidden;
}

.map-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========================================
   PROCESS SECTION
======================================== */
.process-section {
  padding: 30px 0;
  background-color: var(--neutral-01);
  box-shadow: 0px -4px 20px rgba(2, 53, 95, 0.1);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.process-step {
  text-align: left;
}

.process-step img {
  width: 50px;
  height: 50px;
  margin-bottom: 12px;
}

.process-step h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-08);
  line-height: 24px;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 15px;
  font-weight: 400;
  color: var(--neutral-07);
  line-height: 16px;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.process-step a {
  font-size: 12px;
  font-weight: 700;
  color: var(--x-263238);
  line-height: 18px;
}

/* ========================================
   SOCIAL SIDEBAR
======================================== */
.social-sidebar {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 20px;
  z-index: 100;
}

.social-sidebar img {
  width: 48px;
  height: 48px;
  cursor: pointer;
  transition: transform 0.3s;
}

.social-sidebar img:hover {
  transform: scale(1.1);
}

/* ========================================
   FOOTER STYLES
======================================== */
.site-footer {
  background-color: #a10709;
  color: #ffffff;
}

.footer-main {
  padding: 30px 0 40px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.footer-column h3 {
  font-size: 16px;
  font-weight: 700;
  line-height: 24px;
  margin-bottom: 16px;
  color: #ffffff;
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-column ul li {
  font-size: 14px;
  font-weight: 400;
  line-height: 16px;
}

.footer-column ul li a {
  transition: opacity 0.3s;
}

.footer-column ul li a:hover {
  opacity: 0.8;
}

.footer-column .highlight {
  color: #f7dd04;
}

.location-list li {
  display: flex;
  align-items: center;
  gap: 4px;
}

.location-list img {
  width: 13px;
  height: 13px;
}

.payment-methods {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.payment-methods img {
  width: 50px;
  height: 28px;
  object-fit: cover;
}

.social-links {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.social-links a {
  display: block;
}

.social-links img {
  width: 38px;
  height: 38px;
  border-radius: 4px;
  transition: transform 0.3s;
}

.social-links img:hover {
  transform: scale(1.1);
}

.footer-bottom-content {
  display: flex;
  gap: 40px;
  align-items: flex-start;
    text-align: center;
    padding-top: 21px;
    border-top: 4px dotted #ffffff8f;
}

.footer-bottom-content img {
  width: 133px;
  height: 50px;
  object-fit: cover;
}

.footer-info {
  flex: 1;
}

.footer-info p {
  font-size: 16px;
  line-height: 20px;
  margin-bottom: 10px;
}

.footer-info p strong {
  font-weight: 700;
  font-size: 23px;
}

/* ========================================
   RESPONSIVE STYLES - TABLET
   (768px - 1199px)
======================================== */
@media (max-width: 1199px) {
  .container {
    max-width: 960px;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 0px;
  }

  .nav-menu {
    
    gap: 20px;
  }

  .nav-menu li a {
    font-size: 18px;
  }

  .stats-content {
    gap: 40px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-form-wrapper {
    grid-template-columns: 1fr;
  }

  .form-container {
    border-radius: 16px 16px 0 0;
  }

  .map-container {
    border-radius: 0 0 16px 16px;
    min-height: 400px;
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }

  .social-sidebar {
    right: 10px;
  }

  .social-sidebar img {
    width: 40px;
    height: 40px;
  }
}

/* ========================================
   RESPONSIVE STYLES - MOBILE
   (≤767px)
======================================== */
@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }

  /* Header Mobile */
  .header-main {
    padding: 16px 0;
  }

  .header-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .logo img {
    width: 70px;
    height: 70px;
  }

  .header-info {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .info-item {
    flex-direction: column;
    text-align: center;
  }

  .info-item p {
    display: none;
  }
    img.social-icons {
        display: none;
    }
  /* Mobile Navigation */
  .nav-toggle {
    display: block;
  }

  .main-nav .row {
    flex-direction: column;
    align-items: flex-start;
    position: relative;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: #ffffff;
    position: absolute;
    top: 100%;
    left: 0;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    gap: 16px;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu li {
    width: 100%;
    text-align: left;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
  }

  .nav-menu li.active {
    border-bottom: 2px solid #ff0307;
  }

  .nav-menu li a {
    font-size: 18px;
    display: block;
    width: 100%;
  }

  .cart-icon {
    position: absolute;
    top: 10px;
    right: 60px;
  }

  /* Sections Mobile */
  .intro-section,
  .mission-vision-section,
  .services-categories-section,
  .search-section,
  .services-section,
  .about-section,
  .service-types-section,
  .stats-section,
  .recruitment-section,
  .equipment-section,
  .contact-form-section,
  .process-section {
    padding: 20px 0;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .view-all-link {
    font-size: 18px;
  }

.category-card{
    text-align: center;
    align-items: center;
}
  /* Search Mobile */
  .search-wrapper {
    flex-direction: column;
    align-items: stretch;
  }

  .search-tags {
    flex-direction: column;
    gap: 12px;
  }

  .tag-btn {
    width: 100%;
    text-align: center;
  }

  .search-input-wrapper {
    width: 100%;
  }

  .search-btn {
    width: 100%;
    justify-content: center;
  }

  /* Services Grid Mobile */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* Service Types Mobile */
  .service-types-grid {
    grid-template-columns: 1fr;
  }

  /* Stats Mobile */
  .stats-content {
    flex-direction: column;
    gap: 40px;
  }

  .stats-text {
    width: 100%;
  }

  .stats-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .stats-grid {
    width: 100%;
    grid-template-columns: 1fr;
  }

  /* Equipment Mobile */
  .equipment-categories {
    grid-template-columns: 1fr;
  }

  .equipment-products {
    grid-template-columns: 1fr;
  }

  /* Contact Form Mobile */
  .form-row {
    flex-direction: column;
  }

  .form-input.half {
    width: 100%;
  }

  /* Process Mobile */
  .process-steps {
    grid-template-columns: 1fr;
  }

  /* Footer Mobile */
  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-info p {
    font-size: 14px;
  }

  .footer-info p strong {
    font-size: 18px;
  }

  /* Social Sidebar Mobile */
  .social-sidebar {
    display: none;
  }
}

/* ========================================
   RESPONSIVE STYLES - SMALL MOBILE
   (≤480px)
======================================== */
@media (max-width: 480px) {


  .stat-number {
    font-size: 32px;
  }

  .service-card img,
  .service-type-card img,
  .equipment-product-card img {
    height: 250px;
  }

  .recruitment-card img {
    height: 250px;
  }

  .tag-btn {
    font-size: 16px;
    padding: 12px 20px;
  }

  .search-btn {
    font-size: 16px;
    padding: 12px 24px;
  }
}
/* Hiệu ứng */
@keyframes ring{
  0% {
      -webkit-transform: rotate(0) scale(1) skew(1deg);
  }

  10% {
      -webkit-transform: rotate(-25deg) scale(1) skew(1deg);
  }
  20% {
      -webkit-transform: rotate(25deg) scale(1) skew(1deg);
  }
  30% {
      -webkit-transform: rotate(-25deg) scale(1) skew(1deg);
  }
  40% {
      -webkit-transform: rotate(25deg) scale(1) skew(1deg);
  }
  50% {
      -webkit-transform: rotate(0) scale(1) skew(1deg);
  }
  100% {
      -webkit-transform: rotate(0) scale(1) skew(1deg);
  }
}
a.icon-lh {
    animation: ring 1s infinite 
ease-in-out;
}
.iframe-container {
    position: relative; 
    width: 100%;
    padding-bottom: 98%;
    height: 0;
    overflow: hidden;
}

.iframe-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.footer-info p {
    color: #ffffff;
}
.absolute-footer.dark.medium-text-center.text-center {
    background: #660304;
    padding: 5px 0;
}
.copyright-footer {
    text-align: center;
    color: #ffffff94;
    font-size: 13px;
}
.back-to-top {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}
.back-to-top.show {
    visibility: visible;
    opacity: 1;
}