/* ================================
   GOOGLE FONT
================================ */

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


/* ================================
   ROOT COLORS - DARK MODE
================================ */

:root {

    --primary: #36d6e7;
    --primary-dark: #16a9ba;

    --bg: #07111f;
    --bg-secondary: #0b1727;

    --card: #101d2d;
    --card-hover: #15273a;

    --text: #f4f7fb;
    --text-secondary: #aab6c4;

    --border: rgba(54, 214, 231, 0.18);

    --shadow: 0 15px 45px rgba(0, 0, 0, 0.28);

}


/* ================================
   SOFT LIGHT MODE
================================ */

body.light-mode {

    --bg: #e5eaee;
    --bg-secondary: #dce3e8;

    --card: #f0f3f5;
    --card-hover: #e5eaed;

    --text: #17212b;
    --text-secondary: #53616c;

    --border: rgba(0, 120, 140, 0.18);

    --shadow: 0 12px 35px rgba(20, 30, 40, 0.12);

}


/* ================================
   GLOBAL SETTINGS
================================ */

* {

    margin: 0;
    padding: 0;

    box-sizing: border-box;

    scroll-behavior: smooth;

}


body {

    font-family: "Poppins", sans-serif;

    background: var(--bg);

    color: var(--text);

    overflow-x: hidden;

    transition: background 0.4s ease, color 0.4s ease;

}


body::before {

    content: "";

    position: fixed;

    width: 450px;
    height: 450px;

    top: -180px;
    left: -180px;

    background: rgba(54, 214, 231, 0.08);

    border-radius: 50%;

    filter: blur(100px);

    z-index: -1;

}


a {

    text-decoration: none;

    color: inherit;

}


.section {

    max-width: 1450px;

    margin: auto;

    padding: 100px 7%;

}


.section-title {

    text-align: center;

    margin-bottom: 60px;

}


.section-title span {

    color: var(--primary);

    font-size: 12px;

    font-weight: 700;

    letter-spacing: 2px;

}


.section-title h2 {

    font-size: 38px;

    margin-top: 10px;

}


.section-title h2::after {

    content: "";

    display: block;

    width: 65px;
    height: 3px;

    background: var(--primary);

    margin: 14px auto 0;

    border-radius: 20px;

}


.section-title p {

    max-width: 650px;

    margin: 15px auto 0;

    color: var(--text-secondary);

}


/* ================================
   NAVBAR
================================ */

.navbar {

    position: sticky;

    top: 0;

    z-index: 1000;

    width: 100%;

    display: flex;

    align-items: center;

    justify-content: space-between;

    padding: 16px 6%;

    background: rgba(7, 17, 31, 0.88);

    backdrop-filter: blur(15px);

    border-bottom: 1px solid var(--border);

}


.light-mode .navbar {

    background: rgba(229, 234, 238, 0.88);

}


.logo {

    font-size: 26px;

    font-weight: 800;

}


.logo span,
footer h2 span {

    color: var(--primary);

}


.nav-links {

    display: flex;

    gap: 30px;

}


.nav-links a {

    color: var(--text-secondary);

    font-size: 14px;

    transition: 0.3s;

}


.nav-links a:hover,
.nav-links a.active {

    color: var(--primary);

}


.nav-buttons {

    display: flex;

    align-items: center;

    gap: 14px;

}


.theme-btn {

    width: 43px;
    height: 43px;

    border-radius: 50%;

    border: 1px solid var(--border);

    background: var(--card);

    color: var(--primary);

    cursor: pointer;

    font-size: 17px;

}


.resume-btn {

    padding: 10px 17px;

    border: 1px solid var(--primary);

    color: var(--primary);

    border-radius: 8px;

    font-size: 13px;

    transition: 0.3s;

}


.resume-btn:hover {

    background: var(--primary);

    color: #07111f;

}


/* ================================
   HERO SECTION
================================ */

.hero {

    min-height: 90vh;

    display: grid;

    grid-template-columns: 1fr 1.5fr 1fr;

    align-items: center;

    gap: 40px;

    padding: 70px 7%;

    position: relative;

}


.hero::after {

    content: "";

    position: absolute;

    width: 350px;
    height: 350px;

    right: -120px;
    bottom: 20px;

    background: rgba(54, 214, 231, 0.06);

    border-radius: 50%;

    filter: blur(100px);

    z-index: -1;

}


.image-circle {

    width: 290px;
    height: 290px;

    margin: auto;

    border-radius: 50%;

    overflow: hidden;

    border: 3px solid var(--primary);

    box-shadow:
        0 0 25px rgba(54, 214, 231, 0.45),
        0 0 70px rgba(54, 214, 231, 0.15);

    animation: profileFloat 4s ease-in-out infinite;

}


@keyframes profileFloat {

    0% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }

    100% {
        transform: translateY(0);
    }

}


.image-circle img {

    width: 100%;
    height: 100%;

    object-fit: cover;

    display: block;

}


.welcome {

    display: inline-flex;

    align-items: center;

    gap: 8px;

    color: var(--primary);

    border: 1px solid var(--border);

    padding: 9px 17px;

    border-radius: 25px;

    font-size: 11px;

    font-weight: 600;

    margin-bottom: 20px;

}


.hero-content h1 {

    font-size: 50px;

    line-height: 1.2;

}


.hero-content h1 span {

    color: var(--primary);

    display: block;

}


.hero-content h2 {

    font-size: 25px;

    margin-top: 12px;

}


.hero-content h2 span {

    color: var(--primary);

}


.hero-content p {

    margin-top: 20px;

    line-height: 1.9;

    color: var(--text-secondary);

}


.hero-buttons {

    display: flex;

    gap: 15px;

    margin-top: 30px;

    flex-wrap: wrap;

}


.primary-btn,
.secondary-btn {

    padding: 14px 23px;

    border-radius: 8px;

    transition: 0.3s;

    font-weight: 600;

}


.primary-btn {

    background: linear-gradient(
        135deg,
        var(--primary),
        var(--primary-dark)
    );

    color: #06111d;

}


.secondary-btn {

    border: 1px solid var(--primary);

    color: var(--text);

}


.primary-btn:hover,
.secondary-btn:hover {

    transform: translateY(-5px);

    box-shadow: 0 12px 30px rgba(54, 214, 231, 0.2);

}


/* ================================
   HERO CARDS
================================ */

.hero-cards {

    display: flex;

    flex-direction: column;

    gap: 16px;

}


.info-card {

    background: var(--card);

    border: 1px solid var(--border);

    padding: 22px;

    border-radius: 14px;

    transition: 0.3s;

}


.info-card:hover {

    transform: translateY(-6px);

    background: var(--card-hover);

    border-color: var(--primary);

}


.info-card i {

    color: var(--primary);

    font-size: 25px;

}


.info-card h3 {

    margin-top: 10px;

}


.info-card p {

    color: var(--text-secondary);

    font-size: 12px;

    margin-top: 5px;

}


/* ================================
   ABOUT
================================ */

.about-section {

    background: var(--bg-secondary);

}


.about-container {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 60px;

}


.about-text h2 {

    margin-bottom: 22px;

}


.about-text h2 i {

    color: var(--primary);

}


.about-text > p {

    color: var(--text-secondary);

    line-height: 1.9;

    margin-bottom: 17px;

}


.about-highlight {

    display: flex;

    gap: 15px;

    margin-top: 25px;

    padding: 18px;

    border-left: 3px solid var(--primary);

    background: var(--card);

    border-radius: 8px;

}


.about-highlight i {

    color: var(--primary);

    font-size: 20px;

}


.about-highlight p {

    color: var(--text-secondary);

}


.personal-info {

    display: grid;

    gap: 18px;

}


.personal-item {

    display: flex;

    align-items: center;

    gap: 18px;

    padding: 19px;

    background: var(--card);

    border: 1px solid var(--border);

    border-radius: 12px;

    transition: 0.3s;

}


.personal-item:hover {

    transform: translateX(7px);

    border-color: var(--primary);

}


.personal-item i {

    color: var(--primary);

    font-size: 21px;

}


.personal-item div {

    display: flex;

    flex-direction: column;

    gap: 4px;

}


.personal-item span {

    color: var(--text-secondary);

    font-size: 13px;

}


/* ================================
   SKILLS
================================ */

.skills-grid {

    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 20px;

}


.skill-card {

    position: relative;

    overflow: hidden;

    text-align: center;

    background: var(--card);

    border: 1px solid var(--border);

    padding: 30px 18px;

    border-radius: 14px;

    transition: 0.35s;

}


.skill-card::before {

    content: "";

    position: absolute;

    top: 0;
    left: 0;

    width: 100%;
    height: 3px;

    background: linear-gradient(
        90deg,
        transparent,
        var(--primary),
        transparent
    );

    opacity: 0;

    transition: 0.3s;

}


.skill-card:hover::before {

    opacity: 1;

}


.skill-card:hover {

    transform: translateY(-8px);

    border-color: var(--primary);

    box-shadow: var(--shadow);

}


.skill-card i {

    font-size: 38px;

    color: var(--primary);

}


.skill-card h3 {

    margin-top: 16px;

}


.skill-card p {

    color: var(--text-secondary);

    margin-top: 8px;

    font-size: 12px;

}


/* ================================
   EDA
================================ */

.eda-section {

    background: var(--bg-secondary);

}


.eda-container {

    display: grid;

    grid-template-columns: 1fr 1.3fr;

    gap: 50px;

    align-items: center;

}


.eda-content h2 {

    font-size: 30px;

}


.eda-content h2 i {

    color: var(--primary);

}


.eda-content p {

    color: var(--text-secondary);

    line-height: 1.9;

    margin-top: 18px;

}


.eda-tools {

    display: flex;

    flex-wrap: wrap;

    gap: 10px;

    margin-top: 25px;

}


.eda-tools span {

    padding: 8px 14px;

    background: var(--card);

    border: 1px solid var(--border);

    color: var(--primary);

    border-radius: 20px;

    font-size: 12px;

}


.eda-features {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 17px;

}


.eda-card {

    display: flex;

    gap: 15px;

    padding: 20px;

    background: var(--card);

    border: 1px solid var(--border);

    border-radius: 12px;

    transition: 0.3s;

}


.eda-card:hover {

    transform: translateY(-5px);

    border-color: var(--primary);

}


.eda-card i {

    color: var(--primary);

    font-size: 22px;

}


.eda-card p {

    color: var(--text-secondary);

    font-size: 12px;

    margin-top: 5px;

}


/* ================================
   MACHINE LEARNING
================================ */

.ml-container {

    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 20px;

}


.ml-box {

    text-align: center;

    background: var(--card);

    border: 1px solid var(--border);

    padding: 35px 20px;

    border-radius: 15px;

    transition: 0.3s;

}


.ml-box:hover {

    transform: translateY(-8px);

    border-color: var(--primary);

    box-shadow: var(--shadow);

}


.ml-box i {

    font-size: 40px;

    color: var(--primary);

}


.ml-box h3 {

    margin-top: 18px;

}


.ml-box p {

    margin-top: 10px;

    color: var(--text-secondary);

    font-size: 13px;

    line-height: 1.7;

}


/* ================================
   AI SECTION
================================ */

.ai-section {

    background: var(--bg-secondary);

}


.ai-container {

    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 25px;

}


.ai-card {

    text-align: center;

    padding: 40px 30px;

    background: var(--card);

    border: 1px solid var(--border);

    border-radius: 15px;

    transition: 0.3s;

}


.ai-card:hover {

    transform: translateY(-10px);

    border-color: var(--primary);

    box-shadow: var(--shadow);

}


.ai-card i {

    font-size: 45px;

    color: var(--primary);

}


.ai-card h3 {

    margin-top: 18px;

}


.ai-card p {

    color: var(--text-secondary);

    margin-top: 12px;

    line-height: 1.8;

}


/* ================================
   STREAMLIT
================================ */

.streamlit-container {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 55px;

    align-items: center;

}


.streamlit-text h2 {

    font-size: 30px;

}


.streamlit-text h2 i {

    color: var(--primary);

}


.streamlit-text p {

    color: var(--text-secondary);

    line-height: 1.9;

    margin-top: 18px;

}


.streamlit-text ul {

    list-style: none;

    margin-top: 25px;

}


.streamlit-text li {

    margin: 15px 0;

}


.streamlit-text li i {

    color: var(--primary);

    margin-right: 10px;

}


/* FAKE DASHBOARD */

.fake-dashboard {

    padding: 25px;

    background: var(--card);

    border: 1px solid var(--border);

    border-radius: 18px;

    box-shadow: var(--shadow);

}


.dashboard-header {

    color: var(--primary);

    font-weight: 600;

    padding-bottom: 20px;

    border-bottom: 1px solid var(--border);

}


.dashboard-stats {

    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 12px;

    margin-top: 25px;

}


.dashboard-stats div {

    padding: 15px;

    background: var(--bg-secondary);

    border-radius: 10px;

}


.dashboard-stats h3 {

    color: var(--primary);

}


.dashboard-stats p {

    color: var(--text-secondary);

    font-size: 10px;

}


.chart-placeholder {

    height: 190px;

    display: flex;

    align-items: flex-end;

    justify-content: space-around;

    margin-top: 25px;

    padding: 20px;

    border-top: 1px solid var(--border);

}


.bar {

    width: 45px;

    background: linear-gradient(
        to top,
        var(--primary-dark),
        var(--primary)
    );

    border-radius: 8px 8px 0 0;

}


.bar1 { height: 65px; }

.bar2 { height: 130px; }

.bar3 { height: 95px; }

.bar4 { height: 160px; }

.bar5 { height: 115px; }


/* ================================
   PROJECTS
================================ */

.projects-section {

    background: var(--bg-secondary);

}


.projects-grid {

    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 25px;

}


.project-card {

    position: relative;

    overflow: hidden;

    padding: 30px;

    background: var(--card);

    border: 1px solid var(--border);

    border-radius: 15px;

    transition: 0.3s;

}


.project-card:hover {

    transform: translateY(-8px);

    border-color: var(--primary);

    box-shadow: var(--shadow);

}


.project-icon {

    width: 65px;
    height: 65px;

    display: flex;

    align-items: center;

    justify-content: center;

    background: rgba(54, 214, 231, 0.1);

    border-radius: 50%;

}


.project-icon i {

    font-size: 27px;

    color: var(--primary);

}


.project-card h3 {

    color: var(--primary);

    margin-top: 20px;

}


.project-card p {

    color: var(--text-secondary);

    line-height: 1.8;

    font-size: 13px;

    margin-top: 12px;

}


.project-tools {

    display: flex;

    flex-wrap: wrap;

    gap: 8px;

    margin-top: 20px;

}


.project-tools span {

    padding: 6px 10px;

    border-radius: 15px;

    background: var(--bg-secondary);

    border: 1px solid var(--border);

    color: var(--primary);

    font-size: 10px;

}


/* ================================
   EDUCATION
================================ */

.education-card {

    max-width: 850px;

    margin: auto;

    display: flex;

    gap: 30px;

    padding: 40px;

    background: var(--card);

    border: 1px solid var(--border);

    border-radius: 18px;

}


.education-icon {

    width: 75px;
    height: 75px;

    min-width: 75px;

    display: flex;

    align-items: center;

    justify-content: center;

    background: rgba(54, 214, 231, 0.1);

    border-radius: 50%;

}


.education-icon i {

    color: var(--primary);

    font-size: 30px;

}


.education-card h2 {

    color: var(--primary);

}


.education-card h3 {

    margin-top: 10px;

}


.education-card p {

    color: var(--text-secondary);

    margin: 12px 0;

    line-height: 1.8;

}


/* ================================
   CONTACT
================================ */

.contact-section {

    background: var(--bg-secondary);

}


.contact-container {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 50px;

}


.contact-info > p {

    color: var(--text-secondary);

    line-height: 1.8;

    margin: 18px 0 25px;

}


.contact-item {

    display: flex;

    align-items: center;

    gap: 18px;

    padding: 18px;

    margin-bottom: 14px;

    background: var(--card);

    border: 1px solid var(--border);

    border-radius: 12px;

    transition: 0.3s;

}


.contact-item:hover {

    transform: translateX(7px);

    border-color: var(--primary);

}


.contact-item i {

    color: var(--primary);

    font-size: 22px;

}


.contact-item div {

    display: flex;

    flex-direction: column;

}


.contact-item span {

    color: var(--text-secondary);

    font-size: 12px;

    margin-top: 4px;

}


/* ================================
   CONTACT FORM
================================ */

.contact-form {

    display: flex;

    flex-direction: column;

    gap: 16px;

    padding: 35px;

    background: var(--card);

    border: 1px solid var(--border);

    border-radius: 18px;

}


.contact-form h2 {

    margin-bottom: 8px;

}


.contact-form input,
.contact-form textarea {

    width: 100%;

    padding: 15px;

    background: var(--bg);

    color: var(--text);

    border: 1px solid var(--border);

    border-radius: 8px;

    outline: none;

    font-family: inherit;

}


.contact-form input:focus,
.contact-form textarea:focus {

    border-color: var(--primary);

}


.contact-form textarea {

    height: 150px;

    resize: vertical;

}


.contact-form button {

    padding: 15px;

    border: none;

    border-radius: 8px;

    background: linear-gradient(
        135deg,
        var(--primary),
        var(--primary-dark)
    );

    color: #06111d;

    font-family: inherit;

    font-weight: 700;

    cursor: pointer;

    transition: 0.3s;

}


.contact-form button:hover {

    transform: translateY(-4px);

    box-shadow: 0 10px 25px rgba(54, 214, 231, 0.25);

}


#formMessage {

    text-align: center;

    color: var(--primary);

}


/* ================================
   FOOTER
================================ */

footer {

    text-align: center;

    padding: 45px 20px;

    border-top: 1px solid var(--border);

}


footer h2 {

    font-size: 25px;

}


footer > p {

    color: var(--text-secondary);

    margin-top: 8px;

    font-size: 13px;

}


.footer-social {

    display: flex;

    justify-content: center;

    gap: 16px;

    margin: 22px 0;

}


.footer-social a {

    width: 43px;
    height: 43px;

    display: flex;

    align-items: center;

    justify-content: center;

    background: var(--card);

    border: 1px solid var(--border);

    border-radius: 50%;

    color: var(--primary);

    transition: 0.3s;

}


.footer-social a:hover {

    transform: translateY(-6px);

    background: var(--primary);

    color: #07111f;

}


.copyright {

    font-size: 12px;

}


/* ================================
   BACK TO TOP BUTTON
================================ */

#backToTop {

    position: fixed;

    right: 25px;
    bottom: 25px;

    width: 45px;
    height: 45px;

    display: none;

    border-radius: 10px;

    background: var(--card);

    color: var(--primary);

    border: 1px solid var(--primary);

    cursor: pointer;

    z-index: 100;

}


/* ================================
   TABLET RESPONSIVE
================================ */

@media (max-width: 1100px) {

    .hero {

        grid-template-columns: 1fr 1fr;

    }

    .hero-cards {

        grid-column: span 2;

        flex-direction: row;

    }

    .hero-cards .info-card {

        flex: 1;

    }

    .skills-grid {

        grid-template-columns: repeat(3, 1fr);

    }

    .ml-container {

        grid-template-columns: repeat(2, 1fr);

    }

    .projects-grid {

        grid-template-columns: repeat(2, 1fr);

    }

}


/* ================================
   MOBILE RESPONSIVE
================================ */

@media (max-width: 768px) {

    .navbar {

        padding: 15px 5%;

    }

    .nav-links {

        display: none;

    }

    .resume-btn {

        display: none;

    }

    .hero {

        grid-template-columns: 1fr;

        text-align: center;

        padding: 50px 6%;

    }

    .hero-image {

        order: 1;

    }

    .hero-content {

        order: 2;

    }

    .hero-cards {

        order: 3;

        grid-column: auto;

        flex-direction: column;

    }

    .hero-content h1 {

        font-size: 38px;

    }

    .hero-buttons {

        justify-content: center;

    }

    .about-container,
    .eda-container,
    .streamlit-container,
    .contact-container {

        grid-template-columns: 1fr;

    }

    .skills-grid {

        grid-template-columns: repeat(2, 1fr);

    }

    .eda-features {

        grid-template-columns: 1fr;

    }

    .ai-container {

        grid-template-columns: 1fr;

    }

    .projects-grid {

        grid-template-columns: 1fr;

    }

    .education-card {

        flex-direction: column;

    }

}


/* ================================
   SMALL MOBILE
================================ */

@media (max-width: 480px) {

    .section {

        padding: 70px 5%;

    }

    .section-title h2 {

        font-size: 30px;

    }

    .image-circle {

        width: 230px;
        height: 230px;

    }

    .skills-grid {

        grid-template-columns: 1fr;

    }

    .ml-container {

        grid-template-columns: 1fr;

    }

    .dashboard-stats {

        grid-template-columns: 1fr;

    }

    .bar {

        width: 30px;

    }

}