@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    border: none;
    outline: none;
    scroll-behavior: smooth;
    font-family: 'Poppins', sans-serif;
}

:root {
    --bg-color: #1f242d;
    --second-bg-color: #323946;
    --text-color: #fff;
    --main-color: #0ef;
    --whatsapp-color: #25D366; /* WhatsApp Green */
}

html {
    font-size: 62.5%;
    overflow-x: hidden;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
}

section {
    min-height: 100vh;
    padding: 10rem 9% 2rem;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 9%;
    background: var(--bg-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}

.header.sticky {
    border-bottom: .1rem solid rgba(0, 0, 0, .2);
}

.logo {
    font-size: 2.5rem;
    color: var(--text-color);
    font-weight: 600;
    cursor: default;
}

.navbar a {
    font-size: 1.7rem;
    color: var(--text-color);
    margin-left: 4rem;
    transition: .3s;
}

.navbar a:hover,
.navbar a.active {
    color: var(--main-color);
}

#menu-icon {
    font-size: 3.6rem;
    color: var(--text-color);
    display: none;
}

.home {
    display: flex;
    justify-content: center;
    align-items: center;
}

.home-img img {
    width: 35vw;
    animation: floatImage 4s ease-in-out infinite;
}

@keyframes floatImage {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-2.4rem);
    }
    100% {
        transform: translateY(0);
    }
}

.home-content h3 {
    font-size: 3.2rem;
    font-weight: 700;
}

.home-content h3:nth-of-type(2) {
    margin-bottom: 2rem;
}

span {
    color: var(--main-color);
}

.home-content h1 {
    font-size: 5.6rem;
    font-weight: 700;
    line-height: 1.3;
}

.home-content p {
    font-size: 1.6rem;
}

.social-media a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 4rem;
    height: 4rem;
    background: transparent;
    border: .2rem solid var(--main-color);
    border-radius: 50%;
    font-size: 2rem;
    color: var(--main-color);
    margin: 3rem 1.5rem 3rem 0;
    transition: .5s ease;
}

.social-media a:hover {
    background: var(--main-color);
    color: var(--second-bg-color);
    box-shadow: 0 0 1rem var(--main-color);
}

.btn {
    display: inline-block;
    padding: 1rem 2.8rem;
    background: var(--main-color);
    border-radius: 4rem;
    box-shadow: 0 0 1rem var(--main-color);
    font-size: 1.6rem;
    color: var(--second-bg-color);
    letter-spacing: .1rem;
    font-weight: 600;
    transition: .5s ease;
}

.btn:hover {
    box-shadow: none;
}

.about {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    background: var(--second-bg-color);
}

.about-img img {
    width: 35vw;
}

.heading {
    text-align: center;
    font-size: 4.5rem;
}

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

.about-content h2 {
    text-align: left;
    line-height: 1.2;
}

.about-content h3 {
    font-size: 2.6rem;
}

.about-content p {
    font-size: 1.6rem;
    margin: 2rem 0 3rem;
}

.services h2 {
    margin-bottom: 5rem;
}

.services-container {
    display: flex;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
    gap: 2rem;
}

.services-container .services-box {
    flex: 1 1 30rem;
    background: var(--second-bg-color);
    padding: 3rem 2rem 4rem;
    border-radius: 2rem;
    text-align: center;
    border: .2rem solid var(--bg-color);
    transition: .5s ease;
    display: flex;
    flex-direction: column;
}

.services-container .services-box:hover {
    border-color: var(--main-color);
    transform: scale(1.02);
}

.services-box i {
    font-size: 7rem;
    color: var(--main-color);
}

.services-box h3 {
    font-size: 2.6rem;
}

.services-box p {
    font-size: 1.6rem;
    margin: 1rem 0 3rem;
    flex-grow: 1; 
}

.services-box .btn {
    margin-top: auto;
}

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

.portfolio h2 {
    margin-bottom: 4rem;
}

.portfolio-slider {
    width: 100%;
    max-width: 80rem; 
    margin: 0 auto; 
    padding: 2rem 0 5rem 0; 
}

.portfolio-slider .swiper-slide {
    position: relative; 
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--bg-color);
    border-radius: 2rem;
    overflow: hidden;
    cursor: pointer;
}

.portfolio-slider .swiper-slide img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 60vh; 
    object-fit: contain; 
    transition: .5s ease;
}

.portfolio-slider .swiper-slide:hover img {
    transform: scale(1.05);
    opacity: 0.7; 
}

.portfolio-slider .swiper-slide .glightbox::after {
    content: '\eb12'; 
    font-family: 'boxicons';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    font-size: 5rem;
    color: var(--main-color);
    background: rgba(0, 0, 0, 0.5);
    width: 10rem;
    height: 10rem;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: .4s ease;
    opacity: 0;
}

.portfolio-slider .swiper-slide:hover .glightbox::after {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.swiper-pagination-bullet {
    background: var(--text-color);
}

.swiper-pagination-bullet-active {
    background: var(--main-color);
}

.contact h2 {
    margin-bottom: 3rem;
}

.whatsapp-contact-link {
    display: block;
    margin: 0 auto 5rem auto; 
    max-width: 50rem;
    color: var(--text-color);
}

.whatsapp-contact-box {
    background: var(--second-bg-color);
    padding: 3rem;
    border-radius: 2rem;
    text-align: center;
    border: .2rem solid var(--second-bg-color);
    transition: .5s ease;
}

.whatsapp-contact-link:hover .whatsapp-contact-box {
    border-color: var(--whatsapp-color);
    transform: scale(1.02);
}

.whatsapp-contact-box i {
    font-size: 7rem;
    color: var(--whatsapp-color);
}

.whatsapp-contact-box h3 {
    font-size: 2.6rem;
    margin: 1.5rem 0 1rem 0;
}

.whatsapp-contact-box p {
    font-size: 1.8rem;
    font-weight: 500;
}

.whatsapp-contact-box .click-to-chat {
    font-size: 1.4rem;
    color: #ccc;
    margin-top: 1.5rem;
    font-weight: 400;
}

.contact form {
    max-width: 70rem;
    margin: 1rem auto;
    text-align: center;
    margin-bottom: 3rem;
}

.contact form .input-box {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.contact form .input-box input,
.contact form textarea {
    width: 100%;
    padding: 1.5rem;
    font-size: 1.6rem;
    color: var(--text-color);
    background: var(--second-bg-color);
    border-radius: .8rem;
    margin: .7rem 0;
}

.contact form .input-box input {
    width: 49%;
}

.contact form textarea {
    resize: none;
}

.contact form .btn {
    margin-top: 2rem;
    cursor: pointer;
}

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding: 2rem 9%;
    background: var(--second-bg-color);
    gap: 1.5rem;
}

.footer-text p {
    font-size: 1.6rem;
}

.footer-text .footer-address {
    margin-top: 1rem;
    font-size: 1.4rem;
    line-height: 1.6;
    color: #ccc;
}

.footer-links {
    font-size: 1.4rem; 
    text-align: center;
}

.footer-links a {
    color: var(--text-color);
    margin: 0 1rem;
    transition: .3s ease;
    white-space: nowrap;
}

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

.footer-iconTop a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: .8rem;
    background: var(--main-color);
    border-radius: .8rem;
    transition: .5s ease;
}

.footer-iconTop a:hover {
    box-shadow: 0 0 1rem var(--main-color);
}

.footer-iconTop a i {
    font-size: 2.4rem;
    color: var(--second-bg-color);
}

/* GLightbox Styles */
.goverlay {
    background: rgba(0, 0, 0, 0.9);
}
.gclose {
    position: fixed; top: 15px; right: 20px; width: 40px; height: 40px; background: rgba(0, 0, 0, 0.4) !important; border-radius: 50%; transition: all 0.3s ease; z-index: 99999;
}
.gclose:hover { background: var(--main-color) !important; }
.gclose::after { content: '\ea4f'; font-family: 'boxicons' !important; font-size: 28px; color: white; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.gclose svg { display: none; }


/* Modal Styles (সংশোধিত) */
.modal {
    display: none; /* ডিফল্টভাবে লুকানো থাকবে */
    position: fixed; 
    z-index: 101; 
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto; 
    background-color: rgba(0,0,0,0.8);
}

.modal.active {
    display: flex; /* JavaScript দ্বারা এই ক্লাসটি যোগ করা হলে পপ-আপ দেখাবে */
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--second-bg-color);
    margin: auto;
    padding: 3rem 4rem;
    border: 1px solid #888;
    width: 80%;
    max-width: 60rem;
    border-radius: 1.5rem;
    position: relative;
    animation: fadeIn .5s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.close-btn {
    color: #aaa;
    position: absolute;
    top: 1rem;
    right: 2rem;
    font-size: 3.5rem;
    font-weight: bold;
}

.close-btn:hover,
.close-btn:focus {
    color: var(--main-color);
    text-decoration: none;
    cursor: pointer;
}

.modal-content h3 {
    font-size: 2.8rem;
    color: var(--main-color);
    margin-bottom: 2rem;
}

.modal-content p {
    font-size: 1.6rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.modal-content h4 {
    font-size: 2rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
}

.modal-content ul {
    list-style: none;
    padding-left: 0;
}

.modal-content ul li {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* BREAKPOINTS */
@media (max-width: 1200px) { html { font-size: 55%; } }
@media (max-width: 991px) { .header { padding: 2rem 3%; } section { padding: 10rem 3% 2rem; } .services { padding-bottom: 7rem; } .portfolio { padding-bottom: 7rem; } .contact { min-height: auto; } .footer { padding: 2rem 3%; } }
@media (max-width: 768px) { #menu-icon { display: block; } .navbar { position: absolute; top: 100%; left: 0; width: 100%; padding: 1rem 3%; background: var(--bg-color); border-top: .1rem solid rgba(0, 0, 0, .2); box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .2); display: none; } .navbar.active { display: block; } .navbar a { display: block; font-size: 2rem; margin: 3rem 0; } .home { flex-direction: column; } .home-content h3 { font-size: 2.6rem; } .home-content h1 { font-size: 5rem; } .home-img img { width: 70vw; margin-top: 4rem; } .about { flex-direction: column-reverse; } .about img { width: 70vw; margin-top: 4rem; }