@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;
    font-family: 'Poppins', sans-serif;
}

a {
    color: #fff;
    text-decoration: none;
}

.navbar {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    padding: 25px 9%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    visibility: hidden;
    opacity: 0;
    animation: show-content 1.5s linear forwards;
    animation-delay: 1.2s;
}

@keyframes show-content {
    100% {
        visibility: visible;
        opacity: 1;
    }
}

.navbar .logo {
    font-size: 30px;
    font-weight: 700;
}

.navbar ul {
    display: flex;
}

.navbar ul li {
    list-style: none;
    margin-left: 35px;
}

.navbar ul li a {
    font-size: 20px;
    font-weight: 500;
    transition: .5s;
}

.navbar ul li:hover a,
.navbar ul li.active a {
    color: #7cf03d;
}

.home {
    display: flex;
    align-items: center;
    gap: 50px;
    height: 100vh;
    padding: 60px 9% 0;
    color: #fff;
    visibility: hidden;
    opacity: 0;
    animation: show-content 1.5s linear forwards;
    animation-delay: 1.6s;
}

.home-info h1 {
    font-size: 55px;
}

.home-info h2 {
    display: inline-block;
    font-size: 32px;
    margin-top: -10px;
}

.home-info h2 span {
    position: relative;
    display: inline-block;
    color: transparent;
    -webkit-text-stroke: .7px #7cf03d;
    animation: display-text 16s linear infinite;
    animation-delay: calc(-4s * var(--i));
}

@keyframes display-text {

    25%,
    100% {
        display: none;
    }
}

.home-info h2 span::before {
    content: attr(data-text);
    position: absolute;
    width: 0;
    border-right: 2px solid #7cf03d;
    color: #7cf03d;
    white-space: nowrap;
    overflow: hidden;
    animation: fill-text 4s linear infinite;
}

@keyframes fill-text {

    10%,
    100% {
        width: 0;
    }

    70%,
    90% {
        width: 100%;
    }
}

.home-info p {
    font-size: 16px;
    margin: 10px 0 25px;
}

.home-info .btn-sci {
    display: flex;
    align-items: center;
}

.btn {
    display: inline-block;
    padding: 10px 30px;
    background: #7cf03d;
    border: 2px solid #7cf03d;
    border-radius: 40px;
    box-shadow: 0 0 10px #7cf03d;
    font-size: 16px;
    color: #1f242d;
    font-weight: 600;
    transition: .5s;
}

.btn:hover {
    background: transparent;
    color: #7cf03d;
    box-shadow: none;
}

.home-info .btn-sci .sci {
    margin-left: 20px;
}

.home-info .btn-sci .sci a {
    display: inline-flex;
    padding: 8px;
    border: 2px solid #7cf03d;
    border-radius: 50%;
    font-size: 20px;
    color: #7cf03d;
    margin: 0 8px;
    transition: .5s;
}

.home-info .btn-sci .sci a:hover {
    background: #7cf03d;
    color: #1f242d;
    box-shadow: 0 0 10px #7cf03d;
}

.home-img .img-box {
    position: relative;
    width: 32vw;
    height: 32vw;
    border-radius: 50%;
    padding: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.home-img .img-box::before,
.home-img .img-box::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: conic-gradient(transparent, transparent, transparent, #7cf03d);
    transform: rotate(0deg);
    animation: rotate-border 10s linear infinite;
}

.home-img .img-box::after {
    animation-delay: -5s;
}

@keyframes rotate-border {
    100% {
        transform: rotate(360deg);
    }
}

.home-img .img-box .img-item {
    position: relative;
    width: 100%;
    height: 100%;
    background: #1f242d;
    border-radius: 50%;
    border: .1px solid #1f242d;
    display: flex;
    justify-content: center;
    z-index: 1;
    overflow: hidden;
}

.home-img .img-box .img-item img {
    position: absolute;
    top: 30px;
    display: block;
    width: 85%;
    object-fit: cover;
    mix-blend-mode: lighten;
}

.bars-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    z-index: -1;
}

.bars-animation .bar {
    width: 100%;
    height: 100%;
    background: #1f242d;
    transform: translateY(-100%);
    animation: show-bars .5s ease-in-out forwards;
    animation-delay: calc(.1s * var(--i));
}

@keyframes show-bars {
    100% {
        transform: translateY(0%);
    }
}
/* Navbar background blue */
.navbar {
    background-color: #0a58ca; /* blue */
    padding: 20px 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo color */
.navbar .logo {
    color: #fff;
    font-size: 24px;
    font-weight: 600;
    text-decoration: none;
}

/* Navbar links */
.navbar ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: 0.3s;
}

/* Hover effect */
.navbar ul li a:hover,
.navbar ul li.active a {
    color: #ffd700; /* gold/yellow highlight */
}
* {
    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;
}

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

body {
    background: var(--bg-color);
    color: var(--text-color);
    overflow-y: auto; /* fixed: scrollable on mobile */
}

section {
    min-height: 100vh; /* fixed: previous min-width was wrong */
    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 {
    color: var(--main-color);
}

.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-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-img img {
    width: 35vw;
    animation: floatImage 4s ease-in-out infinite;
    max-width: 400px; /* added max-width to prevent huge images on large screens */
}

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

.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%;
    color: var(--main-color);
    margin: 3rem 1.5rem 3rem 0;
    transition: .5s ease;
}

.social-media a i {
    font-size: large;
}

.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: 3rem;
    background: var(--second-bg-color);
}

.about-img img {
    width: 40vw;
    max-width: 400px; /* fixed for mobile */
}

.heading {
    text-align: center;
    font-size: 5rem;
}

.about-content h2 {
    text-align: left;
    line-height: 1.5;
}

.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: center;
    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;
}

.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;
}

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

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

.portfolio-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    gap: 2.5rem;
}

.portfolio-container .portfolio-box {
    position: relative;
    border-radius: 2rem;
    box-shadow: 0 0 1rem var(--bg-color);
    overflow: hidden;
    display: flex;
}

.portfolio-box img {
    width: 100%;
    transition: .5s ease;
}

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

.portfolio-box .portfolio-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, .1), var(--main-color));
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    padding: 0 4rem;
    transform: translateY(100%);
    transition: .5s ease;
}

.portfolio-box:hover .portfolio-layer {
    transform: translateY(0);
}

.portfolio-layer h4 {
    font-size: 3rem;
}

.portfolio-layer p {
    font-size: 1.6rem;
    margin: .3rem 0 1rem;
}

.portfolio-layer a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 5rem;
    height: 5rem;
    background: var(--text-color);
    border-radius: 50%;
}

.portfolio-layer a i {
    font-size: 2rem;
    color: var(--second-bg-color);
}

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

.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);
}

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

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

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

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

/* breakpoints */
@media (max-width: 1200px) {
    html { font-size: 55%; }
}

@media (max-width: 991px) {
    .header { padding: 2rem 3%; }
    section { padding: 10rem 3% 2rem; }
    .footer { padding: 2rem 3%; }
    .services { padding-bottom: 7rem; }
    .portfolio { padding-bottom: 7rem; }
    .contact { min-height: auto; }
}

@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: 70%; max-width: 350px; margin-top: 4rem; }
    .about { flex-direction: column; }
    .about-img img { width: 80%; max-width: 350px; margin-top: 4rem; }
    .services h2 { margin-bottom: 3rem; }
    .portfolio h2 { margin-bottom: 3rem; }
    .portfolio-container { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 617px) {
    .portfolio-container { grid-template-columns: 1fr; }
}

@media (max-width: 450px) {
    html { font-size: 50%; }
    .contact form .input-box input { width: 100%; }
}

@media (max-width: 365px) {
    .home-img img, .about-img img { width: 90%; max-width: 280px; }
    .footer { flex-direction: column-reverse; }
    .footer p { text-align: center; margin-top: 2rem; }
}