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

:root {
    --bg-color: #0b1121;      /* Premium Dark Blue */
    --second-bg-color: #151e32; /* Lighter Dark Blue */
    --text-color: #f1f5f9;
    --main-color: #0ea5e9;    /* Vibrant Blue */
    --accent-color: #38bdf8;  /* Lighter Blue */
    --gradient-main: linear-gradient(135deg, #0ea5e9, #8b5cf6); /* Cyan to Purple */
    --glass-bg: rgba(21, 30, 50, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    background: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
    width: 100%;
}

html {
    font-size: 62.5%;
    overflow-x: hidden;
    scroll-behavior: smooth;
    scroll-padding-top: 8rem;
    width: 100%;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 1rem;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: var(--main-color);
    border-radius: 1rem;
}

/* Gradient Text Utility */
.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 9%;
    background: transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: .3s;
}

.header.sticky {
    background: rgba(11, 17, 33, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1.5rem 9%;
}

.logo {
    font-size: 2.5rem;
    color: var(--text-color);
    font-weight: 700;
    letter-spacing: 1px;
}
.logo span {
    color: var(--main-color);
}

.navbar a {
    font-size: 1.7rem;
    color: #cbd5e1;
    font-weight: 500;
    margin-left: 3.5rem;
    transition: .3s;
    position: relative;
}

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

.navbar a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 2px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .4s ease;
}

.navbar a:hover::after,
.navbar a.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

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

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

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

/* Home Section */
.home {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* Background Glow Effect */
.home::before {
    content: '';
    position: absolute;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(var(--main-color), transparent 60%);
    opacity: 0.15;
    top: -10%;
    right: -10%;
    z-index: -1;
    border-radius: 50%;
}

.home-content {
    flex: 1;
}

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

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

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

.home-content p {
    font-size: 1.6rem;
    margin-bottom: 2rem;
    color: #94a3b8;
    line-height: 1.6;
}

.social-media a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 4.5rem;
    height: 4.5rem;
    background: transparent;
    border: .2rem solid var(--main-color);
    border-radius: 50%;
    font-size: 2.2rem;
    color: var(--main-color);
    margin: 3rem 1.5rem 3rem 0;
    transition: .5s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.social-media a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--gradient-main);
    z-index: -1;
    transition: .5s ease;
}

.social-media a:hover::before {
    width: 100%;
}

.social-media a:hover {
    color: #fff;
    border-color: transparent;
    box-shadow: 0 0 1.5rem rgba(14, 165, 233, 0.6);
    transform: translateY(-3px);
}

.btn {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: var(--gradient-main);
    border-radius: 4rem;
    box-shadow: 0 0 1.5rem rgba(14, 165, 233, 0.4);
    font-size: 1.6rem;
    color: #fff;
    letter-spacing: .1rem;
    font-weight: 600;
    transition: .5s ease;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--bg-color);
    z-index: -1;
    transition: .5s ease;
}

.btn:hover::before {
    width: 100%;
}
.btn:hover {
    color: var(--main-color);
    box-shadow: none;
    border: 1px solid var(--main-color);
}

.home-img {
    flex: 1;
    text-align: right;
    position: relative;
}

.home-img img {
    width: 32vw;
    animation: floatImage 4s ease-in-out infinite;
    filter: drop-shadow(0 0 2rem rgba(14, 165, 233, 0.3));
    border-radius: 50%;
}

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

/* About Section */
.about {
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--second-bg-color);
    min-height: auto;
    padding-bottom: 7rem;
}

.heading {
    text-align: center;
    font-size: 4.5rem;
    margin-bottom: 3rem;
}
.heading span {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.about-content {
    text-align: center;
    max-width: 80rem;
}

.about-content h2 {
    text-align: center;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

.about-content p {
    font-size: 1.6rem;
    margin: 2rem 0 3rem;
    color: #94a3b8;
    line-height: 1.6;
}

/* Skills */
.skills-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 2rem;
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--text-color);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 3rem;
    transition: 0.4s ease;
    backdrop-filter: blur(10px);
}

.skill-tag i {
    font-size: 2.4rem;
    color: var(--main-color);
}

.skill-tag:hover {
    border-color: var(--main-color);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(14, 165, 233, 0.2);
}

/* Education Section */
.education {
    background: var(--bg-color);
}

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

.education-column {
    flex: 1 1 100%;
}

.education-column .title {
    font-size: 2.5rem;
    margin: 0 0 2rem 2rem;
}

.education-box {
    border-left: .2rem solid var(--main-color);
}

.education-content {
    position: relative;
    padding-left: 2.5rem;
}

.education-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: -1.1rem;
    width: 2rem;
    height: 2rem;
    background: var(--main-color);
    border-radius: 50%;
    box-shadow: 0 0 1rem var(--main-color);
}

.education-content .content {
    position: relative;
    padding: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    margin-bottom: 2.5rem;
    overflow: hidden;
    transition: 0.4s ease;
}

.education-content .content:hover {
    transform: translateY(-5px);
    box-shadow: 0 1rem 2rem rgba(0,0,0,0.3);
    border-color: rgba(14, 165, 233, 0.4);
}

.education-content .content .year {
    font-size: 1.5rem;
    color: var(--accent-color);
    padding-bottom: .5rem;
    font-weight: 500;
}

.education-content .content h3 {
    font-size: 2rem;
}

.education-content .content p {
    font-size: 1.5rem;
    padding-top: 1rem;
    color: #cbd5e1;
    line-height: 1.5;
}

/* Services / Experience */
.experience {
    background: var(--second-bg-color);
}
.services-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
    margin-top: 3rem;
}

.services-box {
    flex: 1 1 30rem;
    background: var(--bg-color);
    padding: 4rem 2.5rem;
    border-radius: 2rem;
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: .5s ease;
    box-shadow: 0 0 2rem rgba(0,0,0,0.2);
}

.services-box:hover {
    border-color: var(--main-color);
    transform: translateY(-10px);
    box-shadow: 0 1rem 3rem rgba(14, 165, 233, 0.2);
}

.services-box i {
    font-size: 7rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

.services-box h3 {
    font-size: 2.6rem;
    margin-bottom: 1rem;
}

.services-box p {
    font-size: 1.6rem;
    color: #cbd5e1;
    line-height: 1.6;
}

/* Portfolio Projects */
.portfolio {
    background: var(--bg-color);
}

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

.portfolio-box {
    position: relative;
    border-radius: 2rem;
    box-shadow: 0 1rem 2rem rgba(0,0,0,0.3);
    overflow: hidden;
    display: flex;
    border: 1px solid var(--glass-border);
}

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

.portfolio-box:hover img {
    transform: scale(1.1);
    filter: brightness(0.6);
}

.portfolio-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(11, 17, 33, 0.95), transparent);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-direction: column;
    text-align: center;
    padding: 3rem 2rem;
    transform: translateY(100%);
    transition: .5s ease;
    opacity: 0;
}

.portfolio-box:hover .portfolio-layer {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-layer h4 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.portfolio-layer p {
    font-size: 1.4rem;
    margin: .3rem 0 2rem;
    color: #e2e8f0;
}

.portfolio-layer a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 5rem;
    height: 5rem;
    background: var(--gradient-main);
    border-radius: 50%;
    box-shadow: 0 0 1rem rgba(14, 165, 233, 0.5);
    transition: 0.3s ease;
}

.portfolio-layer a:hover {
    transform: scale(1.1);
}

.portfolio-layer a i {
    font-size: 2rem;
    color: #fff;
}

/* Tasks / GitHub List Section */
.tasks {
    background: var(--second-bg-color);
}

.sub-heading {
    text-align: center;
    font-size: 1.6rem;
    margin-bottom: 3rem;
    color: #94a3b8;
}

.task-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.task-card {
    display: flex;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 2rem 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid var(--glass-border);
    transition: 0.4s ease;
}

.task-card:hover {
    border-color: rgba(14, 165, 233, 0.5);
    transform: translateX(10px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.task-icon {
    font-size: 3.5rem;
    color: var(--accent-color);
    margin-right: 2rem;
}

.task-info h4 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.task-info p {
    font-size: 1.4rem;
    color: #94a3b8;
}

.task-arrow {
    margin-left: auto;
    font-size: 2.5rem;
    color: var(--main-color);
    transition: 0.3s;
}
.task-card:hover .task-arrow {
    transform: translateX(5px);
}

/* Gallery Section */
.gallery {
    background: var(--second-bg-color);
}

.gallery-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
}

.gallery-box {
    position: relative;
    border-radius: 1.5rem;
    box-shadow: 0 1rem 2rem rgba(0,0,0,0.3);
    overflow: hidden;
    display: flex;
    border: 1px solid var(--glass-border);
    aspect-ratio: 4/3;
}

.gallery-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .5s ease;
}

.gallery-box:hover img {
    transform: scale(1.1);
    filter: brightness(0.5);
}

.gallery-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(11, 17, 33, 0.9), transparent);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-direction: column;
    text-align: center;
    padding: 2rem;
    transform: translateY(100%);
    transition: .5s ease;
    opacity: 0;
}

.gallery-box:hover .gallery-layer {
    transform: translateY(0);
    opacity: 1;
}

.gallery-layer h4 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.gallery-layer p {
    font-size: 1.4rem;
    color: #cbd5e1;
}

/* Contact */
.contact {
    background: var(--bg-color);
}

.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 2rem;
    font-size: 1.6rem;
    color: var(--text-color);
    background: var(--second-bg-color);
    border-radius: 1rem;
    margin: .7rem 0;
    border: 1px solid var(--glass-border);
    transition: 0.3s ease;
}

.contact form .input-box input:focus,
.contact form textarea:focus {
    border-color: var(--main-color);
    box-shadow: 0 0 1rem rgba(14, 165, 233, 0.2);
}

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

.contact form textarea {
    resize: none;
    height: 20rem;
}

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

/* Footer */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding: 2.5rem 9%;
    background: var(--second-bg-color);
    border-top: 1px solid var(--glass-border);
}

.footer-text p {
    font-size: 1.6rem;
    color: #94a3b8;
}

.footer-iconTop a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    background: var(--gradient-main);
    border-radius: 1rem;
    transition: .5s ease;
}

.footer-iconTop a:hover {
    box-shadow: 0 0 1.5rem rgba(14, 165, 233, 0.6);
    transform: translateY(-3px);
}

.footer-iconTop a i {
    font-size: 2.4rem;
    color: #fff;
}

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

@media (max-width: 991px) {
    .header { padding: 2rem 3%; }
    .header.sticky { padding: 1.5rem 3%; }
    section { padding: 10rem 3% 2rem; }
    .services-container { padding-bottom: 7rem; }
    .portfolio-container, .gallery-container { grid-template-columns: repeat(2, 1fr); }
    .footer { padding: 2rem 3%; }

    #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(255,255,255,.1);
        box-shadow: 0 .5rem 1rem rgba(0,0,0,.2);
        display: none;
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
    }

    .navbar.active {
        display: block;
    }

    .navbar a {
        display: block;
        font-size: 2rem;
        margin: 3rem 0;
    }
}

@media (max-width: 768px) {
    .home { flex-direction: column; }
    .home-content h3 { font-size: 2.6rem; }
    .home-content h1 { font-size: 4rem; }
    .home-img img { width: 70vw; margin-top: 4rem; }
    .about { flex-direction: column-reverse; }
    .services-container { flex-direction: column; }
    .portfolio-container, .gallery-container { grid-template-columns: 1fr; }
    .education-row { gap: 3rem; }

    .contact form .input-box input {
        width: 100%;
    }

    .task-card {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    .task-arrow {
        margin-left: 0;
    }
    .task-icon {
        margin-right: 0;
    }
}

@media (max-width: 450px) {
    html { font-size: 50%; }
    .contact form .input-box input,
    .contact form textarea {
        padding: 1.2rem;
    }
    .social-media a {
        width: 4rem;
        height: 4rem;
        font-size: 2rem;
    }
}