/* Base Styles (shared across all pages) */
:root {
    --primary: #0056b3;
    --primary-dark: #003d7a;
    --primary-light: #4d8cff;
    --secondary: #ff6b35;
    --dark: #1a2b3c;
    --light: #f8f9fa;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --dark-gray: #343a40;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
    --white: #ffffff;
    --black: #000000;
    --highlight: #ff6b35;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    min-width: 44px;
    min-height: 44px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-size: 1rem;
    gap: 8px;
    min-width: 44px;
    min-height: 44px;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    border: 2px solid var(--primary);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 86, 179, 0.2);
}

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
    background-color: transparent;
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 86, 179, 0.2);
}

.btn-white {
    background-color: var(--white);
    color: var(--primary);
    border: 2px solid var(--white);
}

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

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-tag {
    display: inline-block;
    background-color: rgba(0, 86, 179, 0.1);
    color: var(--primary);
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-title .highlight {
    background: linear-gradient(45deg, var(--primary), var(--highlight));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

.section-cta {
    text-align: center;
    margin-top: 40px;
}

/* Scroll Progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: rgba(0, 86, 179, 0.1);
    z-index: 1000;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--highlight));
    width: 0%;
    transition: width 0.1s ease;
}

/* Top Header */
.top-header {
    background-color: var(--dark);
    padding: 10px 0;
    font-size: 0.875rem;
    color: var(--light-gray);
}

.top-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.header-contacts {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.contact-link {
    color: var(--light-gray);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.3s ease;
    padding: 5px 0;
}

.contact-link:hover {
    color: var(--white);
}

.header-utils {
    display: flex;
    align-items: center;
    gap: 15px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-link {
    color: var(--light-gray);
    transition: color 0.3s ease;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-link:hover {
    color: var(--white);
}

/* ========== Main Navigation Styles ========== */
.main-header {
    position: sticky;
    top: 0;
    background-color: var(--white);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    position: relative;
}

.logo img {
    height: 60px;
    width: 60px;
    transition: transform 0.3s ease;
}

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

/* ========== Desktop Navigation ========== */
.desktop-nav {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-link {
    font-weight: 600;
    color: var(--dark);
    position: relative;
    padding: 10px 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

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

.nav-link.cta {
    background-color: var(--primary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 6px;
    margin-left: 15px;
    transition: all 0.3s ease;
}

.nav-link.cta:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 86, 179, 0.2);
}

/* Dropdown Styles */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 240px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all 0.3s ease;
    z-index: 100;
    padding: 10px 0;
}

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

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--dark);
    transition: all 0.2s ease;
}

.dropdown-menu a:hover {
    background-color: rgba(0, 86, 179, 0.05);
    color: var(--primary);
    padding-left: 25px;
}

.dropdown-menu i {
    width: 20px;
    text-align: center;
    color: var(--primary);
}

.dropdown-icon {
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

/* ========== Mobile Navigation ========== */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
    padding: 10px;
    z-index: 1100;
}

.mobile-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--white);
    box-shadow: 2px 0 15px rgba(0, 0, 0, 0.1);
    z-index: 1050;
    transition: all 0.4s ease;
    overflow-y: auto;
}

.mobile-nav.active {
    left: 0;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--light-gray);
    position: sticky;
    top: 0;
    background-color: var(--white);
    z-index: 10;
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
}

.mobile-nav-inner {
    padding: 20px;
}

.mobile-nav-link {
    display: block;
    padding: 15px 0;
    font-weight: 500;
    color: var(--dark);
    border-bottom: 1px solid var(--light-gray);
    transition: all 0.2s ease;
}

.mobile-nav-link.cta {
    background-color: var(--primary);
    color: var(--white);
    text-align: center;
    border-radius: 6px;
    margin-top: 20px;
    border: none;
    padding: 12px;
}

.mobile-nav-link.cta:hover {
    background-color: var(--primary-dark);
}

/* Mobile Dropdown */
.mobile-dropdown {
    margin-bottom: 10px;
}

.mobile-dropdown-btn {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    font-weight: 500;
    color: var(--dark);
    background: none;
    border: none;
    border-bottom: 1px solid var(--light-gray);
    cursor: pointer;
}

.mobile-dropdown-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    padding-left: 15px;
}

.mobile-dropdown-menu.show {
    max-height: 500px;
}

.mobile-dropdown-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
    color: var(--dark);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mobile-dropdown-link i {
    color: var(--primary);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}
/* ========== Desktop Navigation Link Underline Effect ========== */
.nav-link {
    position: relative;
    padding: 10px 0;
    overflow: hidden;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary);
    transition: width 0.3s ease, left 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
    left: 0;
}

/* Active link underline */
.nav-link.active::after {
    width: 100%;
    left: 0;
}

/* CTA বাটনে আন্ডারলাইন থাকবে না */
.nav-link.cta::after {
    display: none;
}

/* ========== Mobile Navigation Link Underline Effect ========== */
.mobile-nav-link {
    position: relative;
    padding: 15px 0;
}

.mobile-nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 10px;
    left: 0;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.mobile-nav-link:hover::after,
.mobile-nav-link.active::after {
    width: 100%;
}

/* Mobile CTA বাটনে আন্ডারলাইন থাকবে না */
.mobile-nav-link.cta::after {
    display: none;
}
/* ========== Responsive Styles ========== */
@media (max-width: 991px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
}

@media (min-width: 992px) {
    .mobile-nav,
    .mobile-menu-overlay,
    .mobile-menu-btn {
        display: none;
    }
}

/* Telecom Hero Section */
.telecom-hero {
    background: linear-gradient(rgba(0, 30, 60, 0.8), rgba(0, 30, 60, 0.8)), url('/image/Telecom.jpg');
    background-size: cover;
    background-position: center;
    padding: 120px 0;
    text-align: center;
    color: var(--white);
}

.telecom-hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.telecom-hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
/* Telecom Hero Button with Perfect Floating Animation */
.telecom-hero-btn-container {
    margin-top: 40px;
    text-align: center;
    perspective: 1000px;
}

.btn-explore-services {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 4px 20px rgba(0, 86, 179, 0.3);
    transform-style: preserve-3d;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    min-width: 240px;
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: float 3s ease-in-out infinite;
}

/* Floating Animation Fix */
@keyframes float {
    0%, 100% {
        transform: translateY(0) rotateX(0);
    }
    50% {
        transform: translateY(-12px) rotateX(5deg);
    }
}

/* Hover Effects */
.btn-explore-services:hover {
    animation-play-state: paused;
    transform: translateY(-6px) rotateX(10deg);
    box-shadow: 0 8px 30px rgba(0, 86, 179, 0.4);
}

/* Ripple Effect */
.btn-explore-services::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: transform 0.6s, opacity 0.6s;
}

.btn-explore-services:hover::after {
    transform: translate(-50%, -50%) scale(20);
    opacity: 0;
}

/* Pulse Effect */
@keyframes pulse {
    0% {
        box-shadow: 0 4px 20px rgba(0, 86, 179, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(0, 86, 179, 0.5);
    }
    100% {
        box-shadow: 0 4px 20px rgba(0, 86, 179, 0.3);
    }
}

.btn-explore-services {
    animation: float 3s ease-in-out infinite, pulse 3s ease-in-out infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .btn-explore-services {
        padding: 14px 30px;
        font-size: 1rem;
        min-width: 200px;
        animation: float 4s ease-in-out infinite, pulse 4s ease-in-out infinite;
    }
    
    @keyframes float {
        0%, 100% {
            transform: translateY(0);
        }
        50% {
            transform: translateY(-8px);
        }
    }
}
/* Breadcrumb */
.breadcrumb {
    padding: 15px 0;
    background-color: var(--light);
    font-size: 0.875rem;
}

.breadcrumb a {
    color: var(--primary);
}

.breadcrumb i {
    margin: 0 10px;
    font-size: 0.75rem;
    color: var(--gray);
}

/* Telecom Services Section */
.telecom-services-section {
    padding: 80px 0;
    background-color: var(--light);
}

.telecom-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.telecom-service-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary);
}

.telecom-service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(0, 86, 179, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.telecom-service-card:hover .service-icon {
    transform: rotate(15deg);
}

.telecom-service-card h3 {
    font-size: 1.5rem;
    margin: 15px 0;
    color: var(--dark);
}

.telecom-service-card p {
    color: var(--gray);
    margin-bottom: 15px;
}

.service-features {
    margin-bottom: 20px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    color: var(--gray);
    font-size: 0.9375rem;
    border-bottom: 1px dashed var(--light-gray);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features i {
    color: var(--primary);
    font-size: 0.75rem;
}

/* Telecom Projects Section */
.telecom-projects-section {
    padding: 80px 0;
    background-color: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.project-image {
    height: 200px;
    position: relative;
    overflow: hidden;
}

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

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-status {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.project-status.completed {
    background-color: var(--success);
    color: var(--white);
}

.project-status.ongoing {
    background-color: var(--warning);
    color: var(--dark);
}

.project-content {
    padding: 20px;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.875rem;
    color: var(--gray);
}

.project-category {
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.project-category.telecom {
    background-color: rgba(0, 86, 179, 0.1);
    color: var(--primary);
}

.project-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.project-description {
    color: var(--gray);
    font-size: 0.9375rem;
    margin-bottom: 15px;
}

.project-stats {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.875rem;
    color: var(--gray);
}

.stat-item i {
    color: var(--primary);
}

/* Technology Partners Section */
.partners-section {
    padding: 80px 0;
    background-color: var(--light);
    position: relative;
}

.partners-carousel-container {
    overflow: hidden;
    position: relative;
    margin: 0 -15px;
    padding: 20px 0;
}

.partners-carousel {
    display: flex;
    gap: 30px;
    width: max-content;
    animation: scroll 20s linear infinite;
}

.partners-carousel-container:hover .partners-carousel {
    animation-play-state: paused;
}

.partner-card {
    background-color: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    min-width: 150px;
    flex-shrink: 0;
}

.partner-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.partner-card img {
    max-height: 60px;
    width: auto;
    max-width: 100%;
    filter: grayscale(0%);
    opacity: 1;
    transition: all 0.3s ease;
}

.partner-card:hover img {
    filter: grayscale(100%);
    opacity: 0.7;
    transform: scale(1.05);
}
@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-150px * 6 - 30px * 5));
    }
}
/* Telecom Stats Section  */
.telecom-stats-section {
    padding: 60px 0;
    background-color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-card {
    background-color: var(--white);
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary);
    position: relative;
    overflow: hidden; /* Hide overflowing content during transition */
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 86, 179, 0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(0, 86, 179, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: var(--primary);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.stat-card:hover .stat-icon {
    background-color: var(--primary);
    color: var(--white);
    transform: rotate(15deg) scale(1.1);
}

.stat-content {
    transition: all 0.3s ease;
}

.stat-card:hover .stat-content {
    opacity: 0;
    transform: scale(0.8);
}

.stat-content h3 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 5px;
    transition: inherit;
}

.stat-content p {
    color: var(--dark);
    font-weight: 500;
    transition: inherit;
}

/* New Button Styles - Center Emerge Effect */
.stat-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, 20px);
    background-color: var(--primary);
    color: white;
    padding: 12px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    opacity: 0;
    transition: all 0.3s ease;
    width: max-content;
    z-index: 2;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.stat-card:hover .stat-btn {
    opacity: 1;
    transform: translate(-50%, -50%);
}

.stat-btn:hover {
    background-color: #0066cc;
    box-shadow: 0 8px 20px rgba(0, 86, 179, 0.3);
    transform: translate(-50%, -50%) scale(1.05);
}

/* Optional: Add a subtle overlay for better button visibility */
.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    opacity: 0;
    transition: all 0.3s ease;
}

.stat-card:hover::after {
    opacity: 1;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background-color: var(--light);
}

.cta-card {
    background-image:url(/image/Footer-image.jpg);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    border-radius: 16px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr;
    color: var(--white);
    box-shadow: 0 20px 25px -5px rgba(0, 86, 179, 0.3), 0 10px 10px -5px rgba(0, 86, 179, 0.2);
}

.cta-content {
    padding: 40px;
    order: 2;
}

.cta-content h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.cta-image {
    height: 300px;
    overflow: hidden;
    order: 1;
    display: none;
}

.cta-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Footer */
.main-footer {
    background-color: #000000;
    color: var(--light-gray);
    padding-top: 80px;
    padding-bottom: 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

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

.footer-about {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

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

.footer-logo span {
    font-weight: 700;
    color: var(--white);
    font-size: 1.125rem;
}

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

.footer-about-text {
    margin-bottom: 20px;
    font-size: 0.9375rem;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-gray);
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-heading {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9375rem;
    position: relative;
    width: fit-content;
}

.footer-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-links a:hover::after {
    width: 100%;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9375rem;
}

.contact-item i {
    margin-top: 3px;
    color: var(--primary);
}

.contact-item a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    position: relative;
}

.footer-legal a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.footer-legal a:hover::after {
    width: 100%;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--dark);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

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

.back-to-top:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

/* Previous CSS content remains the same, add these new styles at the end */

/* Project Modal Styles */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
     backdrop-filter: blur(5px); /* এই লাইনটি যোগ করুন */
    -webkit-backdrop-filter: blur(5px); /* Safari এর জন্য */
    
}

.project-modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1;
}

.modal-content {
    position: relative;
    background-color: var(--white);
    border-radius: 12px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 2;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    transition: all 0.3s ease;
    z-index: 3;
}

.modal-close:hover {
    background-color: var(--danger);
    color: var(--white);
    transform: rotate(90deg);
}

.modal-header {
    padding: 30px 30px 20px;
    border-bottom: 1px solid var(--light-gray);
}

.modal-header h3 {
    font-size: 1.75rem;
    color: var(--dark);
    margin-bottom: 10px;
}

.modal-meta {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--gray);
}

.modal-category {
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.75rem;
}

.modal-category.telecom {
    background-color: rgba(0, 86, 179, 0.1);
    color: var(--primary);
}

.modal-date {
    display: flex;
    align-items: center;
    gap: 5px;
}

.modal-date i {
    color: var(--gray);
}

.modal-status {
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.modal-status.completed {
    background-color: var(--success);
    color: var(--white);
}

.modal-status.ongoing {
    background-color: var(--warning);
    color: var(--dark);
}

.modal-body {
    padding: 20px 30px 30px;
}

.modal-image {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
}

.modal-image img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 8px;
}

.modal-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--dark);
    margin-bottom: 25px;
}

.modal-details {
    margin-bottom: 25px;
}

.modal-details h4 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.modal-details ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 10px;
}

.modal-details li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    color: var(--dark);
    font-size: 0.9375rem;
    border-bottom: 1px dashed var(--light-gray);
}

.modal-details li:last-child {
    border-bottom: none;
}

.modal-details i {
    color: var(--primary);
    font-size: 0.75rem;
}

.modal-stats {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.modal-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background-color: rgba(0, 86, 179, 0.05);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--dark);
}

.modal-stats .stat-item i {
    color: var(--primary);
}

/* Responsive Modal */
@media (max-width: 768px) {
    .modal-content {
        max-height: 85vh;
    }
    
    .modal-header {
        padding: 20px 20px 15px;
    }
    
    .modal-body {
        padding: 15px 20px 20px;
    }
    
    .modal-header h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .modal-meta {
        flex-direction: column;
        gap: 8px;
    }
    
    .modal-details ul {
        grid-template-columns: 1fr;
    }
}
/* Responsive Styles */
@media (min-width: 576px) {
    .container {
        padding: 0 20px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .top-header .container {
        flex-wrap: nowrap;
    }
    
    .header-contacts {
        margin-bottom: 0;
    }
    
    .desktop-nav {
        display: flex;
        gap: 25px;
        align-items: center;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .cta-card {
        grid-template-columns: 1fr 1fr;
    }
    
    .cta-content {
        order: 1;
    }
    
    .cta-image {
        order: 2;
        height: auto;
        display: block;
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 992px) {
    .telecom-services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

@media (min-width: 1200px) {
    .container {
        padding: 0;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Accessibility Improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}