@import url('https://fonts.googleapis.com/css2?family=Nunito:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

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

:root {
    --bg-color: #191f36;
    --snd-bg-color: #262B40;
    --text-color: #fff;
    --main-color: #59B2F4;
}

/* Light Mode Colors */
.light-mode {
    --bg-color: #fdfdfd;
    --snd-bg-color: #e6e6e6;
    --text-color: #333;
}

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

body {
    background: var(--bg-color);
    color: var(--text-color);
    transition: .5s ease;
}

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: 700;
    cursor: default;
}

.navbar a {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-left: 4rem;
    font-weight: 700;
}

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

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

#darkMode-icon {
    font-size: 2.4rem;
    color: var(--text-color);
    cursor: pointer;
    margin-left: 4rem; 
    display: inline-flex; 
    vertical-align: middle;
}

.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: 25vw;
    animation: floatImage 4s ease-in-out infinite;
}

@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%;
    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(--snd-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(--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(--snd-bg-color);
}

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

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

.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;
}

.education-block {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 1rem;
    margin: 2rem 0 3rem 0;
    border: 1px solid var(--main-color);
}

.edu-icon-box i {
    font-size: 3.5rem;
    color: var(--main-color);
    margin-right: 1.5rem;
}

.edu-info-box h4 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
}

.edu-info-box p {
    font-size: 1.4rem !important;
    margin: 0.2rem 0 !important;
    opacity: 0.9;
}

.gpa-text span {
    color: var(--main-color);
    font-weight: 800;
    font-size: 1.5rem;
}

/* ================== NEW SKILLS STYLES ================== */
.skills {
    background: var(--bg-color);
}

.skills-row {
    display: flex;
    flex-wrap: wrap;
    gap: 5rem;
}

.skills-column {
    flex: 1 1 40rem;
}

.skills-column .title {
    font-size: 2.5rem;
    margin: 0 0 1.5rem;
}

.skills-box {
    position: relative;
}

.skills-content {
    position: relative;
    border: .2rem solid var(--main-color);
    border-radius: .6rem;
    padding: .5rem 1.5rem;
    z-index: 1;
    overflow: hidden;
}

.skills-content .progress {
    padding: 1rem 0;
}

.skills-content .progress h3 {
    font-size: 1.7rem;
    display: flex;
    justify-content: space-between;
}

.skills-content .progress h3 span {
    color: var(--text-color);
}

.skills-content .progress .bar {
    height: 2.5rem;
    border-radius: .6rem;
    border: .2rem solid var(--main-color);
    padding: .5rem;
    margin: 1rem 0;
}

.skills-content .progress .bar span {
    display: block;
    height: 100%;
    border-radius: .3rem;
    background: var(--main-color);
}

/* Skill Percentages */
.skills-column:nth-child(1) .progress:nth-child(1) .bar span { width: 90%; }
.skills-column:nth-child(1) .progress:nth-child(2) .bar span { width: 85%; }
.skills-column:nth-child(1) .progress:nth-child(3) .bar span { width: 80%; }
.skills-column:nth-child(1) .progress:nth-child(4) .bar span { width: 75%; }

.skills-column:nth-child(2) .progress:nth-child(1) .bar span { width: 95%; }
.skills-column:nth-child(2) .progress:nth-child(2) .bar span { width: 90%; }
.skills-column:nth-child(2) .progress:nth-child(3) .bar span { width: 85%; }
.skills-column:nth-child(2) .progress:nth-child(4) .bar span { width: 80%; }

/* ================== END SKILLS STYLES ================== */

.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(--snd-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(--snd-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; opacity: 0.7; }
.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(--snd-bg-color); }

.certifications { background: var(--bg-color); }
.certifications h2 { margin-bottom: 5rem; }
.certifications-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    padding: 0 5%;
}
.cert-box {
    background: var(--snd-bg-color);
    border-radius: 2rem;
    padding: 3rem;
    border: .2rem solid transparent;
    display: flex;
    align-items: center;
    gap: 2rem;
    transition: .4s ease;
    box-shadow: 0 0 1rem rgba(0,0,0,0.1);
}
.cert-box:hover {
    border-color: var(--main-color);
    transform: translateY(-1rem);
    box-shadow: 0 0 2rem var(--main-color);
}
.cert-icon i { font-size: 5rem; color: var(--main-color); }
.cert-content h3 { font-size: 2.4rem; font-weight: 700; margin-bottom: .5rem; }
.cert-content p { font-size: 1.6rem; color: var(--text-color); opacity: 0.8; margin-bottom: 1.5rem; }
.btn-cert {
    display: inline-block;
    padding: .8rem 2rem;
    background: transparent;
    border: .2rem solid var(--main-color);
    border-radius: 4rem;
    font-size: 1.4rem;
    color: var(--main-color);
    font-weight: 600;
    transition: .3s ease;
}
.btn-cert:hover { background: var(--main-color); color: var(--snd-bg-color); }

@media (max-width: 768px) {
    .certifications-container { grid-template-columns: 1fr; }
}

.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(--snd-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(--snd-bg-color);
}
.footer-text { font-size: 1.6rem; }
.footer-iconTop a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: .8rem 1rem;
    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(--snd-bg-color); }

@media (max-width: 1200px) { html { font-size: 55%; } }
@media (max-width: 991px) {
    .header { padding: 2rem 3%; }
    section { padding: 10rem 3%; }
    .services, .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 img{ width: 90vw; margin-top: 4rem; }
    .services h2, .portfolio h2 { margin-bottom: 3rem; }
    .portfolio-container { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 617px) {
    .portfolio-container { grid-template-columns: 1fr; }
    .home-img img { width: 80vw; margin-top: 8rem; }
    .about-img img{ width: 100vw; margin-top: 4rem; }
}
@media (max-width: 450px) {
    html { font-size: 50%; }
    .contact form .input-box input { width: 100%; }
}

.popup {
    width: 100%;
    height: 100vh;
    background-color: rgba(0,0,0,0.8);
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.4s ease, visibility 0.4s;
    z-index: 10000;
}
.popup.open-popup { visibility: visible; opacity: 1; }
.popup-content {
    background: var(--snd-bg-color);
    color: var(--text-color);
    padding: 4rem;
    border-radius: 1rem;
    text-align: center;
    width: 40rem;
    max-width: 90%;
    border: .2rem solid var(--main-color);
    box-shadow: 0 0 2rem rgba(89, 178, 244, 0.5);
    transform: scale(0.8);
    transition: transform 0.4s ease;
}
.popup.open-popup .popup-content { transform: scale(1); }
.popup-content i { font-size: 6rem; color: var(--main-color); margin-bottom: 2rem; }
.popup-content h2 { font-size: 3.2rem; margin-bottom: 1rem; font-weight: 700; }
.popup-content p { font-size: 1.6rem; margin-bottom: 3rem; }
.popup-content button {
    display: inline-block;
    padding: 1rem 3.5rem;
    background: var(--main-color);
    border-radius: 4rem;
    box-shadow: 0 0 1rem var(--main-color);
    font-size: 1.8rem;
    color: var(--bg-color);
    letter-spacing: .1rem;
    font-weight: 600;
    transition: .5s ease;
    cursor: pointer;
}
.popup-content button:hover { box-shadow: none; transform: scale(1.05); }