/* ==========================================================================
   CSS Variables & Typography Reset
   ========================================================================== */
:root {
    /* Colors */
    --primary-color: #0c2b54;
    /* Xanh Navy sâu */
    --primary-dark: #071a33;
    --secondary-color: #d84315;
    /* Cam đỏ làm điểm nhấn */
    --secondary-hover: #bf360c;
    --text-main: #333333;
    --text-muted: #666666;
    --bg-light: #ffffff;
    --bg-gray: #f8f9fa;
    --border-color: #e0e0e0;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;

    /* Spacing & Layout */
    --container-width: 1200px;
    --section-padding: 80px 0;
    --transition: all 0.3s ease;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --box-shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 15px;
    color: var(--primary-color);
}

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

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

ul {
    list-style: none;
}

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

/* ==========================================================================
   Utility Classes & Grid Options
   ========================================================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: var(--section-padding);
}

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

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col-md-6,
.col-lg-6,
.col-lg-4,
.col-md-4,
.col-md-8,
.col-lg-5,
.col-lg-7,
.col-lg-2,
.col-lg-3,
.col-md-12 {
    padding: 0 15px;
}

@media (min-width: 768px) {
    .col-md-12 {
        width: 100%;
    }

    .col-md-8 {
        width: 66.666667%;
    }

    .col-md-6 {
        width: 50%;
    }

    .col-md-4 {
        width: 33.333333%;
    }
}

@media (min-width: 992px) {
    .col-lg-7 {
        width: 58.333333%;
    }

    .col-lg-6 {
        width: 50%;
    }

    .col-lg-5 {
        width: 41.666667%;
    }

    .col-lg-4 {
        width: 33.333333%;
    }

    .col-lg-3 {
        width: 25%;
    }

    .col-lg-2 {
        width: 16.666667%;
    }
}

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

.align-items-end {
    align-items: flex-end;
}

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

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

.text-muted {
    color: var(--text-muted) !important;
}

.bg-gray {
    background-color: var(--bg-gray);
}

.bg-white {
    background-color: #fff;
}

.bg-primary {
    background-color: var(--primary-color);
    color: #fff;
}

.bg-primary-dark {
    background-color: var(--primary-dark);
    color: #fff;
}

.color-primary {
    color: var(--secondary-color) !important;
}

/* Spacing Helpers */
.mb-0 {
    margin-bottom: 0 !important;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}

.mb-40 {
    margin-bottom: 40px;
}

.mt-10 {
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-30 {
    margin-top: 30px;
}

.pl-50 {
    padding-left: 50px;
}

.p-0 {
    padding: 0 !important;
}

.m-0 {
    margin: 0 !important;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15px;
    text-transform: uppercase;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 13px;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: #fff;
    border-color: var(--secondary-color);
}

.btn-primary:hover {
    background-color: var(--secondary-hover);
    border-color: var(--secondary-hover);
    color: #fff;
}

.btn-secondary {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-secondary:hover {
    background-color: var(--secondary-color);
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-outline-white {
    background-color: transparent;
    border-color: #fff;
    color: #fff;
}

.btn-outline-white:hover {
    background-color: #fff;
    color: var(--primary-color);
}

/* Section Headings */
.section-heading {
    margin-bottom: 40px;
}

.sub-heading {
    display: inline-block;
    color: var(--secondary-color);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.sec-title {
    font-size: 36px;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.heading-line {
    width: 60px;
    height: 4px;
    background-color: var(--secondary-color);
}

.heading-line.center {
    margin: 0 auto;
}

.heading-line.light {
    background-color: #fff;
}

.section-heading.light .sec-title,
.section-heading.light .sub-heading {
    color: #fff;
}

.heading-desc {
    margin-top: 15px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.top-bar {
    background-color: #f1f3f5;
    padding: 8px 0;
    font-size: 13px;
    color: var(--text-muted);
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.info-item {
    margin-right: 20px;
}

.info-item i {
    color: var(--secondary-color);
    margin-right: 5px;
}

.top-bar-right {
    display: flex;
    align-items: center;
}

.hot-line strong {
    color: var(--secondary-color);
    font-size: 15px;
}

.social-links a {
    color: var(--text-muted);
    margin-left: 15px;
    font-size: 14px;
}

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

.header {
    background-color: #fff;
    position: relative;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.header.sticky {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }

    to {
        transform: translateY(0);
    }
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo a {
    display: flex;
    flex-direction: column;
}

.logo h1 {
    font-size: 32px;
    margin: 0;
    line-height: 1;
    color: var(--primary-color);
}

.logo h1 span {
    color: var(--secondary-color);
}

.logo-slogan {
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 2px;
}

.nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
}

.nav-menu li {
    position: relative;
    margin: 0 12px;
}

.nav-menu>li>a {
    display: block;
    padding: 35px 0;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    color: var(--primary-color);
    text-transform: uppercase;
    white-space: nowrap;
}

.nav-menu>li>a:hover,
.nav-menu>li>a.active {
    color: var(--secondary-color);
}

.has-children>a i {
    font-size: 12px;
    margin-left: 5px;
}

.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 250px;
    background-color: #fff;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: var(--transition);
    border-top: 3px solid var(--secondary-color);
}

.has-children:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-menu li {
    margin: 0;
    border-bottom: 1px solid #f1f1f1;
}

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

.sub-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-main);
    font-weight: 500;
}

.sub-menu a:hover {
    background-color: var(--bg-gray);
    color: var(--secondary-color);
    padding-left: 25px;
}

.header-action {
    display: flex;
    align-items: center;
}

.mobile-toggle {
    display: none;
    font-size: 24px;
    color: var(--primary-color);
    cursor: pointer;
    margin-left: 20px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
}

.hero-slider .slide {
    height: 80vh;
    min-height: 600px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 800px;
    color: #fff;
}

.hero-subtitle {
    display: inline-block;
    padding: 5px 15px;
    background-color: var(--secondary-color);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 2px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 25px;
    text-transform: uppercase;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.hero-desc {
    font-size: 18px;
    margin-bottom: 40px;
    font-weight: 300;
    max-width: 600px;
}

.hero-btn-group a {
    margin-right: 15px;
}

/* ==========================================================================
   Stats Banner
   ========================================================================== */
.stats-banner {
    position: relative;
    margin-top: -60px;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background-color: #fff;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.stat-item {
    display: flex;
    align-items: center;
    padding: 40px 30px;
    border-right: 1px solid #eee;
}

.stat-item:last-child {
    border-right: none;
}

.stat-icon {
    font-size: 40px;
    color: var(--secondary-color);
    margin-right: 20px;
}

.stat-info h3 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 0;
    display: inline-block;
}

.stat-info span {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary-color);
}

.stat-info p {
    font-size: 14px;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-muted);
    margin: 0;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-image-wrapper {
    position: relative;
    padding-right: 30px;
    padding-bottom: 30px;
}

.about-img-main img {
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

.about-experience {
    position: absolute;
    right: 0;
    bottom: 0;
    background-color: var(--secondary-color);
    color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(216, 67, 21, 0.3);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.exp-number {
    font-size: 60px;
    font-weight: 800;
    font-family: var(--font-heading);
    line-height: 1;
    margin-right: 15px;
}

.exp-text {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    text-align: left;
}

.about-pattern {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 200px;
    height: 200px;
    background-image: radial-gradient(var(--secondary-color) 2px, transparent 2px);
    background-size: 20px 20px;
    z-index: -1;
    opacity: 0.2;
}

.about-text-lead {
    font-size: 18px;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-features {
    margin: 30px 0;
}

.about-features li {
    margin-bottom: 12px;
    font-size: 15px;
}

.about-features i {
    color: var(--secondary-color);
    margin-right: 10px;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.service-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    margin-bottom: 30px;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-hover);
}

.srv-img {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.srv-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.service-card:hover .srv-img img {
    transform: scale(1.1);
}

.srv-icon {
    position: absolute;
    bottom: -25px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    z-index: 2;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.service-card:hover .srv-icon {
    background-color: var(--secondary-color);
}

.srv-content {
    padding: 40px 30px;
}

.srv-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.srv-content p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.srv-list {
    margin-bottom: 25px;
}

.srv-list li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--text-main);
}

.srv-list i {
    color: var(--secondary-color);
    margin-right: 10px;
}

.srv-link {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 1px;
}

.srv-link i {
    margin-left: 5px;
    transition: transform 0.3s;
}

.srv-link:hover i {
    transform: translateX(5px);
}

/* ==========================================================================
   Projects / Portfolio
   ========================================================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 30px;
}

.portfolio-item {
    border-radius: 8px;
    overflow: hidden;
    background-color: #fff;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.portfolio-item:hover {
    box-shadow: var(--box-shadow-hover);
    transform: translateY(-5px);
}

.port-img {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.port-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .port-img img {
    transform: scale(1.1);
}

.port-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(12, 43, 84, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .port-overlay {
    opacity: 1;
}

.zoom-btn {
    width: 50px;
    height: 50px;
    background-color: #fff;
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.zoom-btn:hover {
    background-color: var(--secondary-color);
    color: #fff;
}

.portfolio-item:hover .zoom-btn {
    transform: translateY(0);
}

.port-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: rgba(0, 0, 0, 0.6);
    color: #fff;
    padding: 5px 15px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.port-badge.active {
    background-color: var(--secondary-color);
}

.port-info {
    padding: 25px;
}

.port-cat {
    color: var(--secondary-color);
    font-size: 13px;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 5px;
}

.port-info h4 {
    font-size: 18px;
    margin-bottom: 15px;
}

.port-meta {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid #f1f1f1;
    padding-top: 15px;
    font-size: 13px;
    color: var(--text-muted);
}

.port-meta i {
    color: var(--primary-color);
    margin-right: 5px;
}

/* ==========================================================================
   Working Process
   ========================================================================== */
.process-wrapper {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
    flex-wrap: wrap;
}

.process-step {
    flex: 1;
    text-align: center;
    padding: 0 15px;
}

.step-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 20px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--secondary-color);
    position: relative;
    border: 1px dashed rgba(255, 255, 255, 0.3);
    transition: var(--transition);
}

.process-step:hover .step-icon {
    background-color: var(--secondary-color);
    color: #fff;
    border-color: var(--secondary-color);
    transform: translateY(-10px);
}

.step-num {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 30px;
    height: 30px;
    background-color: #fff;
    color: var(--primary-color);
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
}

.process-step h4 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 10px;
}

.process-step p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.process-arrow {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.2);
    font-size: 24px;
    padding-bottom: 60px;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.shadow-box {
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.contact-info-wrap {
    padding: 60px 50px;
    color: #fff;
}

.contact-info-wrap h3 {
    color: #fff;
    font-size: 28px;
    margin-bottom: 20px;
}

.contact-info-wrap p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
}

.contact-list li {
    display: flex;
    margin-bottom: 25px;
}

.icon-c {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-right: 20px;
    flex-shrink: 0;
}

.text-c strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 16px;
    margin-bottom: 5px;
}

.text-c span {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
}

.working-hours {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.working-hours h4 {
    color: #fff;
    font-size: 18px;
}

.contact-form-wrap {
    padding: 60px 50px;
}

.c-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--primary-color);
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--text-main);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(216, 67, 21, 0.1);
}

textarea.form-control {
    resize: vertical;
}

/* ==========================================================================
   Partners
   ========================================================================== */
.partner-heading {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.partner-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    opacity: 0.6;
}

.partner-flex img {
    margin: 10px;
    filter: grayscale(100%);
    transition: var(--transition);
}

.partner-flex img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer-area {
    background-color: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
}

.footer-top {
    padding: 80px 0 50px;
}

.footer-logo {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 32px;
    color: #fff;
    margin-bottom: 20px;
}

.footer-logo span {
    color: var(--secondary-color);
}

.widget-title {
    color: #fff;
    font-size: 18px;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.widget-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-social {
    margin-top: 20px;
}

.footer-social a {
    display: inline-block;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.05);
    color: #fff;
    text-align: center;
    line-height: 36px;
    border-radius: 4px;
    margin-right: 10px;
}

.footer-social a:hover {
    background-color: var(--secondary-color);
}

.widget-links li {
    margin-bottom: 12px;
}

.widget-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.widget-links a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.widget-contact p {
    margin-bottom: 15px;
    display: flex;
}

.widget-contact i {
    color: var(--secondary-color);
    margin-top: 5px;
    margin-right: 15px;
}

.view-map {
    display: inline-block;
    margin-top: 10px;
    color: var(--secondary-color);
    font-weight: 500;
}

.view-map:hover {
    color: #fff;
}

.footer-bottom {
    background-color: #051326;
    padding: 20px 0;
    font-size: 14px;
}

.footer-bottom strong {
    color: #fff;
}

.footer-nav {
    display: flex;
    justify-content: flex-end;
}

.footer-nav li {
    margin-left: 20px;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.7);
}

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

/* ==========================================================================
   Back to top
   ========================================================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background-color: var(--secondary-color);
    color: #fff;
    text-align: center;
    line-height: 45px;
    border-radius: 4px;
    font-size: 20px;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-5px);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1199px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-item {
        border-bottom: 1px solid #eee;
    }

    .stat-item:nth-child(2) {
        border-right: none;
    }

    .stat-item:nth-child(3),
    .stat-item:nth-child(4) {
        border-bottom: none;
    }

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

@media (max-width: 991px) {
    .top-bar {
        display: none;
    }

    .header-inner {
        height: 70px;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #fff;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        display: none;
    }

    .nav.active {
        display: block;
    }

    .nav-menu {
        flex-direction: column;
    }

    .nav-menu>li>a {
        padding: 15px 20px;
        border-bottom: 1px solid #eee;
    }

    .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        width: 100%;
        display: none;
        background-color: #f9f9f9;
        border-top: none;
    }

    .has-children.active .sub-menu {
        display: block;
    }

    .mobile-toggle {
        display: block;
    }

    .header-action .btn {
        display: none;
    }

    .hero-title {
        font-size: 40px;
    }

    .pl-50 {
        padding-left: 15px;
        margin-top: 40px;
    }

    .process-wrapper {
        flex-direction: column;
        align-items: center;
    }

    .process-step {
        margin-bottom: 30px;
        width: 100%;
        max-width: 300px;
    }

    .process-arrow {
        transform: rotate(90deg);
        padding-bottom: 0;
        margin-bottom: 20px;
    }

    .contact-info-wrap {
        padding: 40px 30px;
    }

    .contact-form-wrap {
        padding: 40px 30px;
    }
}

@media (max-width: 767px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-item {
        border-right: none;
    }

    .stat-item:nth-child(3) {
        border-bottom: 1px solid #eee;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-slider .slide {
        height: auto;
        min-height: 500px;
        padding: 100px 0 60px;
    }

    .sec-title {
        font-size: 28px;
    }

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

    .mobile-left {
        text-align: left;
    }

    .footer-nav {
        justify-content: flex-start;
        margin-top: 15px;
    }

    .footer-nav li {
        margin-left: 0;
        margin-right: 20px;
    }
}