* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: Arial, sans-serif;
    background: #0b0f19;
    color: #ffffff;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 8%;
    background: #111827;
}

.logo {
    font-size: 28px;
}

.logo span,
.hero h1 span {
    color: #38bdf8;
}

.navbar ul {
    display: flex;
    gap: 30px;
    list-style: none;
}

.navbar a {
    color: #ffffff;
    text-decoration: none;
    transition: 0.3s;
}

.navbar a:hover {
    color: #38bdf8;
}

.hero {
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px 20px;
}

.welcome {
    color: #38bdf8;
    letter-spacing: 4px;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(35px, 6vw, 60px);
    margin-bottom: 15px;
}

.hero h2 {
    color: #94a3b8;
    margin-bottom: 20px;
}

.hero p:not(.welcome) {
    color: #cbd5e1;
    max-width: 600px;
    line-height: 1.8;
}

.btn {
    display: inline-block;
    margin-top: 30px;
    padding: 14px 28px;
    background: #38bdf8;
    color: #0b0f19;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    background: #ffffff;
    transform: translateY(-3px);
}

section:not(.hero) {
    padding: 80px 10%;
    text-align: center;
    border-top: 1px solid #1e293b;
}

section h2 {
    font-size: 32px;
    margin-bottom: 25px;
    color: #38bdf8;
}

section p {
    color: #cbd5e1;
    line-height: 1.8;
}

footer {
    padding: 25px;
    text-align: center;
    background: #111827;
    color: #94a3b8;
}

@media (max-width: 650px) {
    .navbar {
        flex-direction: column;
        gap: 20px;
    }

    .navbar ul {
        gap: 14px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        min-height: 75vh;
    }
}

/* ABOUT SECTION */

.about {
    background: #0f172a;
}

.section-tag {
    color: #38bdf8;
    letter-spacing: 3px;
    font-size: 13px;
    margin-bottom: 10px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    text-align: left;
    margin-top: 40px;
}

.about-text h3 {
    font-size: 23px;
    margin-bottom: 20px;
    color: #ffffff;
}

.about-text p {
    margin-bottom: 18px;
    line-height: 1.9;
}

.about-details {
    background: #1e293b;
    padding: 30px;
    border-radius: 12px;
}

.about-details div {
    padding: 15px 0;
    border-bottom: 1px solid #334155;
    color: #cbd5e1;
}

.about-details div:last-child {
    border-bottom: none;
}

.about-details strong {
    color: #38bdf8;
}

@media (max-width: 700px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

/* TECHNICAL SKILLS */

.skills {
    background: #0b0f19;
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.skill-card {
    background: #111827;
    padding: 30px;
    border: 1px solid #1e293b;
    border-radius: 12px;
    text-align: left;
    transition: 0.3s ease;
}

.skill-card h3 {
    color: #38bdf8;
    font-size: 19px;
    margin-bottom: 15px;
}

.skill-card p {
    color: #94a3b8;
    line-height: 1.8;
}

.skill-card:hover {
    transform: translateY(-8px);
    border-color: #38bdf8;
    box-shadow: 0 10px 30px rgba(56, 189, 248, 0.1);
}

@media (max-width: 800px) {
    .skills-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .skills-container {
        grid-template-columns: 1fr;
    }
}

/* WORK EXPERIENCE TIMELINE */

.experience {
    background: #0f172a;
}

.timeline {
    max-width: 850px;
    margin: 50px auto 0;
    text-align: left;
    border-left: 2px solid #38bdf8;
    padding-left: 35px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-dot {
    position: absolute;
    left: -44px;
    top: 5px;
    width: 16px;
    height: 16px;
    background: #38bdf8;
    border-radius: 50%;
    box-shadow: 0 0 15px #38bdf8;
}

.timeline-content {
    background: #111827;
    border: 1px solid #1e293b;
    padding: 30px;
    border-radius: 12px;
    transition: 0.3s;
}

.timeline-content:hover {
    border-color: #38bdf8;
    transform: translateX(6px);
}

.timeline-date {
    color: #38bdf8;
    font-size: 14px;
}

.timeline-content h3 {
    margin: 15px 0 8px;
    font-size: 23px;
}

.timeline-content h4 {
    color: #94a3b8;
    margin-bottom: 12px;
}

.timeline-content ul {
    margin: 20px 0 0 20px;
    color: #cbd5e1;
    line-height: 2;
}

/* EDUCATION SECTION */

.education {
    background: #0b0f19;
}

.education-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 950px;
    margin: 40px auto 0;
}

.education-card {
    background: #111827;
    padding: 35px;
    border: 1px solid #1e293b;
    border-radius: 12px;
    text-align: left;
    transition: 0.3s ease;
}

.education-card:hover {
    transform: translateY(-7px);
    border-color: #38bdf8;
    box-shadow: 0 10px 30px rgba(56, 189, 248, 0.1);
}

.education-year {
    color: #38bdf8;
    font-size: 14px;
}

.education-card h3 {
    font-size: 24px;
    margin: 20px 0 10px;
}

.education-card h4 {
    color: #cbd5e1;
    margin-bottom: 15px;
}

.education-card p {
    margin-bottom: 8px;
}

.education-status {
    display: inline-block;
    margin-top: 20px;
    padding: 8px 14px;
    background: #1e293b;
    color: #38bdf8;
    border-radius: 20px;
    font-size: 13px;
}

@media (max-width: 700px) {
    .education-container {
        grid-template-columns: 1fr;
    }
}

/* PROJECTS SECTION */

.projects {
    background: #0f172a;
}

.projects-intro {
    max-width: 650px;
    margin: 0 auto;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    max-width: 1100px;
    margin: 45px auto 0;
    text-align: left;
}

.project-card {
    background: #111827;
    border: 1px solid #263449;
    border-radius: 14px;
    padding: 30px;
    transition: 0.3s ease;
}

.project-card:hover {
    transform: translateY(-7px);
    border-color: #38bdf8;
    box-shadow: 0 12px 35px rgba(56, 189, 248, 0.1);
}

.featured-project {
    grid-column: 1 / -1;
    border-color: #2563eb;
    background: linear-gradient(135deg, #172554, #111827);
}

.project-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 22px;
}

.project-category {
    color: #38bdf8;
    font-size: 13px;
    font-weight: bold;
}

.project-status {
    background: #422006;
    color: #fbbf24;
    padding: 7px 12px;
    border-radius: 20px;
    font-size: 12px;
}

.project-status.completed {
    background: #064e3b;
    color: #6ee7b7;
}

.project-card h3 {
    color: #ffffff;
    font-size: 21px;
    line-height: 1.5;
    margin-bottom: 18px;
}

.project-card p {
    color: #aebdce;
    line-height: 1.8;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 25px;
}

.project-tech span {
    background: #1e293b;
    color: #38bdf8;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
}

.project-footer {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    border-top: 1px solid #334155;
    margin-top: 25px;
    padding-top: 18px;
    color: #94a3b8;
    font-size: 13px;
}

@media (max-width: 700px) {
    .projects-container {
        grid-template-columns: 1fr;
    }

    .featured-project {
        grid-column: auto;
    }
}

/* CONTACT SECTION */

.contact {
    background: #0b0f19;
}

.contact-intro {
    max-width: 650px;
    margin: 0 auto;
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 1000px;
    margin: 45px auto 0;
}

.contact-card {
    background: #111827;
    border: 1px solid #263449;
    padding: 30px 20px;
    border-radius: 12px;
    transition: 0.3s;
}

.contact-card:hover {
    transform: translateY(-7px);
    border-color: #38bdf8;
}

.contact-card h3 {
    color: #38bdf8;
    margin-bottom: 15px;
}

.contact-card p {
    margin-bottom: 20px;
}

.contact-card a {
    display: inline-block;
    color: #38bdf8;
    text-decoration: none;
    font-weight: bold;
}

.contact-card a:hover {
    color: white;
}

@media (max-width: 700px) {
    .contact-container {
        grid-template-columns: 1fr;
    }
}

footer h3 {
    color: #ffffff;
    font-size: 24px;
    margin-bottom: 10px;
}

footer h3 span {
    color: #38bdf8;
}

/* PROFESSIONAL HERO UPGRADE */

.hero h2 span {
    color: #38bdf8;
    border-right: 2px solid #38bdf8;
    padding-right: 5px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.resume-btn {
    background: transparent;
    color: #38bdf8;
    border: 1px solid #38bdf8;
}

.resume-btn:hover {
    background: #38bdf8;
    color: #0b0f19;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 30px;
}

::selection {
    background: #38bdf8;
    color: #0b0f19;
}
/* THEME TOGGLE BUTTON */

.theme-toggle {
    padding: 10px 15px;
    background: transparent;
    color: #38bdf8;
    border: 1px solid #38bdf8;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: 0.3s;
}

.theme-toggle:hover {
    background: #38bdf8;
    color: #0b0f19;
}
/* LIGHT MODE */

body.light-mode {
    background-color: #f1f5f9;
    color: #1e293b;
}

/* Navigation */
body.light-mode nav {
    background-color: #ffffff;
}

body.light-mode nav a {
    color: #1e293b;
}

/* Sections */
body.light-mode section {
    background-color: #f1f5f9;
    color: #1e293b;
}

/* Cards */
body.light-mode .card,
body.light-mode .project-card,
body.light-mode .skill-card {
    background-color: #ffffff;
    color: #1e293b;
    border: 1px solid #cbd5e1;
}

/* Headings and paragraphs */
body.light-mode h1,
body.light-mode h2,
body.light-mode h3,
body.light-mode p {
    color: #1e293b;
}

/* Footer */
body.light-mode footer {
    background-color: #ffffff;
    color: #1e293b;
}

/* Theme button */
body.light-mode .theme-toggle {
    color: #0369a1;
    border-color: #0369a1;
}

body.light-mode .theme-toggle:hover {
    background-color: #0369a1;
    color: #ffffff;
}
/* MOBILE NAVIGATION */

.menu-toggle {
    display: none;
    background: transparent;
    color: #38bdf8;
    border: none;
    font-size: 28px;
    cursor: pointer;
}

@media (max-width: 800px) {

    .menu-toggle {
        display: block;
    }

    .navbar {
        position: relative;
    }

    .navbar ul {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
        padding: 20px;
        background: #111827;
    }

    .navbar ul.active {
        display: flex;
    }

    .navbar {
        flex-wrap: wrap;
    }
}

/* SCROLL ANIMATIONS */

.reveal {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.8s ease,
                transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}