/* -------------------------------------------------------------------------- */
/* মডার্ন গ্রিন থিম কালার ভেরিয়েবল ও বেসিক রিসেট */
/* -------------------------------------------------------------------------- */
:root {
    --primary-color: #1b4d3e;     /* ডিপ ফরেস্ট গ্রিন */
    --secondary-color: #2e8b57;   /* সি গ্রিন / মডার্ন গ্রিন */
    --accent-color: #556b2f;      /* অলিভ গ্রিন */
    --light-bg: #f4f8f5;          /* হালকা সফট গ্রিন হোয়াইট */
    --white: #ffffff;
    --dark-text: #1f2937;
    --gray-text: #4b5563;
    --border-color: #d1d5db;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--dark-text);
    background-color: var(--white);
    line-height: 1.6;
    padding-top: 75px;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 700;
}

.section-header .underline {
    width: 60px;
    height: 4px;
    background-color: var(--secondary-color);
    margin: 0 auto 15px auto;
    border-radius: 2px;
}

.section-desc {
    color: var(--gray-text);
    font-size: 16px;
    max-width: 700px;
    margin: 0 auto;
}

.btn-primary {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

/* -------------------------------------------------------------------------- */
/* ১. ফিক্সড হেডার সেকশন স্টাইল */
/* -------------------------------------------------------------------------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 75px;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.nav-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
}

.main-nav ul li a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
}

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

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

/* -------------------------------------------------------------------------- */
/* ২. স্লাইডার সেকশন স্টাইল */
/* -------------------------------------------------------------------------- */
/* স্লাইডার কন্টেইনার স্টাইল আপডেট */
.hero-slider {
    position: relative;
    height: 550px;
    overflow: hidden;
}

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease-in-out, visibility 1s ease-in-out;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

/* -------------------------------------------------------------------------- */
/* ৩. এবাউট আস সেকশন স্টাইল */
/* -------------------------------------------------------------------------- */
.about-section {
    padding: 90px 0;
    background-color: var(--light-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-img img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    object-fit: cover;
    height: 380px;
}

.about-text h3 {
    font-size: 26px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--gray-text);
    margin-bottom: 25px;
    font-size: 16px;
}

.btn-readmore {
    color: var(--secondary-color);
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-readmore:hover {
    color: var(--primary-color);
    gap: 12px;
}

/* -------------------------------------------------------------------------- */
/* ৪. আওয়ার কনসার্ন সেকশন স্টাইল */
/* -------------------------------------------------------------------------- */
.concerns-section {
    padding: 90px 0;
    background-color: var(--white);
}

.concerns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.concern-card {
    background-color: var(--light-bg);
    border: 1px solid #e2e8f0;
    padding: 35px 25px;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
}

.concern-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(27, 77, 62, 0.1);
    border-color: var(--secondary-color);
}

.concern-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.concern-logo {
    font-size: 42px;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

* লোগো ইমেজ ও টেক্সট ডিজাইন */
.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 55px; /* লোগো ছবির উচ্চতা (আপনার প্রয়োজনমতো বাড়াতে বা কমাতে পারেন) */
    width: auto;
    object-fit: contain;
   align-items: center;
    vertical-align: middle;
  
}


.concern-card h4 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.visit-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--secondary-color);
}

/* -------------------------------------------------------------------------- */
/* ৫. আওয়ার সার্ভিসেস সেকশন স্টাইল */
/* -------------------------------------------------------------------------- */
.services-section {
    padding: 90px 0;
    background-color: var(--light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 35px 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
    border-top: 4px solid var(--secondary-color);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.service-icon {
    font-size: 36px;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.service-img {
    font-size: 36px;
    width: 80%;
    height: auto;
    object-fit: cover;

   
}

.service-card h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray-text);
    font-size: 15px;
}



/* -------------------------------------------------------------------------- */
/* ৬. আওয়ার প্রোডাক্টস পোর্টফোলিও সেকশন স্টাইল */
/* -------------------------------------------------------------------------- */
.products-section {
    padding: 90px 0;
    background-color: var(--white);
}

.product-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

.filter-btn {
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-text);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background-color: var(--secondary-color);
    color: var(--white);
    border-color: var(--secondary-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.product-item {
    background-color: var(--white);
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.product-item:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    transform: translateY(-3px);
}

.product-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.product-item h4 {
    font-size: 18px;
    color: var(--primary-color);
    padding: 15px 15px 5px 15px;
}

.product-item p {
    font-size: 14px;
    color: var(--gray-text);
    padding: 0 15px 20px 15px;
}

.view-more-container {
    text-align: center;
    margin-top: 20px;
}

/* -------------------------------------------------------------------------- */
/* ৭. পার্টনার সেকশন স্টাইল (৮ ক্যাটাগরি, প্রতিটিতে ১০টি লোগো ও নাম) */
/* -------------------------------------------------------------------------- */
.partners-section {
    padding: 90px 0;
    background-color: var(--light-bg);
}

.partner-category-group {
    margin-bottom: 50px;
}

.partner-category-group h3 {
    font-size: 22px;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 2px solid #e2e8f0;
}

.partner-logos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
}

.partner-logo-card {
    background-color: var(--white);
    border: 1px solid #e5e7eb;
    padding: 15px 10px;
    border-radius: 6px;
    text-align: center;
    transition: var(--transition);
}

.partner-logo-card:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.partner-logo-card img {
    max-width: 100%;
    height: 40px;
    object-fit: contain;
    margin-bottom: 8px;
}

.partner-logo-card span {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--dark-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* -------------------------------------------------------------------------- */
/* ৮. ক্লায়েন্ট সেকশন স্টাইল (অটো স্ক্রলিং ও হোবার করলে থেমে যাওয়া টিকার) */
/* -------------------------------------------------------------------------- */
.clients-section {
    padding: 90px 0;
    background-color: var(--white);
    overflow: hidden;
}

.clients-ticker-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 20px 0;
}

.clients-ticker-track {
    display: flex;
    gap: 30px;
    width: max-content;
    animation: scrollTicker 35s linear infinite;
}

.clients-ticker-container:hover .clients-ticker-track {
    animation-play-state: paused;
}

.client-card {
    background-color: var(--light-bg);
    border: 1px solid #e5e7eb;
    padding: 20px;
    border-radius: 8px;
    min-width: 200px;
    text-align: center;
}

.client-card img {
    max-width: 100%;
    height: 45px;
    object-fit: contain;
    margin-bottom: 10px;
}

.client-card p {
    font-size: 13px;
    color: var(--gray-text);
    font-weight: 600;
}

@keyframes scrollTicker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* -------------------------------------------------------------------------- */
/* ৯. জব ভ্যাকেন্সি সেকশন স্টাইল */
/* -------------------------------------------------------------------------- */
.jobs-section {
    padding: 90px 0;
    background-color: var(--light-bg);
}

.jobs-intro-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    border-left: 5px solid var(--secondary-color);
    margin-bottom: 40px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.jobs-intro-card p {
    color: var(--gray-text);
    margin-bottom: 15px;
    font-size: 15px;
}

.jobs-intro-card p:last-child {
    margin-bottom: 0;
}

.jobs-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.job-card {
    background-color: var(--white);
    padding: 20px 25px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.job-card:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.job-info h4 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.job-location {
    font-size: 13px;
    color: var(--gray-text);
}

.btn-apply {
    background-color: var(--light-bg);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
    padding: 8px 18px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

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

.hidden-job {
    display: none;
}

.see-more-jobs-container {
    text-align: center;
}

.no-vacancy-alert {
    background-color: #fee2e2;
    border: 1px solid #ef4444;
    color: #991b1b;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    font-weight: 700;
    font-size: 18px;
}

/* -------------------------------------------------------------------------- */
/* ১০. ফুটার ও কপিরাইট সেকশন স্টাইল */
/* -------------------------------------------------------------------------- */
.site-footer {
    background-color: #0f251d;
    color: #cbd5e1;
    padding: 70px 0 20px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-col h3 {
    font-size: 20px;
    color: var(--white);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 8px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-col p {
    font-size: 14px;
    margin-bottom: 12px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.footer-col p i {
    color: var(--secondary-color);
    margin-top: 4px;
}

.map-embed {
    margin-top: 15px;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
}

.footer-links {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.footer-links li a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

.social-icons {
    display: flex;
    gap: 12px;
    margin-top: 25px;
}

.social-icons a {
    width: 36px;
    height: 36px;
    background-color: rgba(255,255,255,0.1);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 13px;
    color: #94a3b8;
}

/* -------------------------------------------------------------------------- */
/* ১১. রেসপনসিভ মিডিয়া কোয়েরি (Mobile Responsive) */
/* -------------------------------------------------------------------------- */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-img img {
        height: 280px;
    }
    
    .logo-img {
    height: 40px; /* লোগো ছবির উচ্চতা (আপনার প্রয়োজনমতো বাড়াতে বা কমাতে পারেন) */
    width: auto;
    object-fit: contain;
   align-items: center;
    vertical-align: middle;
}

@media (max-width: 768px) {
    .main-nav {
        position: absolute;
        top: 75px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        overflow: hidden;
        max-height: 0;
        transition: max-height 0.4s ease;
    }

    .main-nav.active {
        max-height: 450px;
    }

    .main-nav ul {
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        text-align: center;
    }

    .menu-toggle {
        display: block;
    }

    .slide-content h1 {
        font-size: 30px;
    }

    .slide-content p {
        font-size: 15px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}