/* Variables */
:root {
    --navy: #0a192f;
    --light-navy: #112240;
    --lightest-navy: #233554;
    --slate: #8892b0;
    --light-slate: #a8b2d1;
    --lightest-slate: #ccd6f6;
    --white: #e6f1ff;
    --green: #64ffda;
    --font-sans: 'Calibre', 'Inter', 'San Francisco', 'SF Pro Text', -apple-system, system-ui, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;
    --transition: all 0.25s cubic-bezier(0.645, 0.045, 0.355, 1);
    --nav-height: 100px;
    --nav-scroll-height: 70px;
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    background-color: var(--navy);
    color: var(--slate);
    font-family: var(--font-sans);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--lightest-slate);
    font-weight: 600;
    margin: 0 0 10px 0;
    line-height: 1.1;
}

h1 {
    font-size: 70px;
    line-height: 1.1;
}

h2 {
    font-size: 50px;
    line-height: 1.1;
    color: var(--slate);
}

h3 {
    font-size: 28px;
    margin-bottom: 40px;
    margin-top: 120px;
    position: relative;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

h3::after {
    content: '';
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--lightest-navy);
    margin-left: 20px;
}

h3 span {
    color: var(--green);
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: normal;
    margin-right: 10px;
}

p {
    margin: 20px 0;
    max-width: 600px;
    color: var(--slate);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 50px;
    width: 100%;
}

main {
    padding-top: var(--nav-height);
}

section {
    margin: 0 auto;
    padding: 100px 0;
    max-width: 1000px;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header & Navigation */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--nav-height);
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    z-index: 100;
    transition: var(--transition);
}

header.scrolled {
    height: var(--nav-scroll-height);
    box-shadow: 0 10px 30px -10px rgba(2, 12, 27, 0.7);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    position: relative;
}

.logo {
    color: var(--green);
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: bold;
    z-index: 12;
    transition: var(--transition);
}

.logo:hover {
    color: var(--green);
    transform: translateY(-2px);
}

nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: relative;
    width: 100%;
    z-index: 12;
}

.nav-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin: 0 5px;
}

.nav-links li a {
    display: inline-block;
    padding: 10px;
    color: var(--lightest-slate);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 14px;
    transition: var(--transition);
}

.nav-links li a:hover {
    color: var(--green);
    transform: translateY(-2px);
}

.nav-links li a span {
    color: var(--green);
    margin-right: 5px;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    z-index: 12;
    cursor: pointer;
    background: transparent;
    border: none;
    width: 30px;
    height: 30px;
    position: relative;
}

.hamburger-inner {
    position: relative;
    width: 30px;
    height: 2px;
    background-color: var(--green);
    transition: var(--transition);
}

.hamburger-inner::before,
.hamburger-inner::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 2px;
    background-color: var(--green);
    transition: var(--transition);
}

.hamburger-inner::before {
    top: -8px;
}

.hamburger-inner::after {
    bottom: -8px;
}

.menu-open .hamburger-inner {
    background-color: transparent;
}

.menu-open .hamburger-inner::before {
    transform: rotate(45deg);
    top: 0;
}

.menu-open .hamburger-inner::after {
    transform: rotate(-45deg);
    bottom: 0;
}

.overlay {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 25, 47, 0.7);
    z-index: 10;
    display: none;
}

.menu-open .overlay {
    display: block;
}

/* Buttons */
.resume-button {
    color: var(--green);
    background-color: transparent;
    border: 1px solid var(--green);
    border-radius: 4px;
    padding: 10px 16px;
    font-family: var(--font-mono);
    font-size: 14px;
    margin-left: 15px;
    cursor: pointer;
    transition: var(--transition);
}

.resume-button:hover {
    background-color: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

.btn {
    display: inline-block;
    color: var(--green);
    background-color: transparent;
    border: 1px solid var(--green);
    border-radius: 4px;
    padding: 1.25rem 1.75rem;
    font-size: 14px;
    font-family: var(--font-mono);
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 50px;
}

.btn:hover {
    background-color: rgba(100, 255, 218, 0.1);
    transform: translateY(-5px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0;
}

.hero p {
    font-size: 18px;
}

.intro {
    font-family: var(--font-mono);
    color: var(--green);
    font-size: 16px;
    margin-bottom: 20px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 50px;
}

.about-text p:last-of-type {
    margin-bottom: 30px;
}

.skills-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(140px, 200px));
    gap: 0 10px;
    list-style: none;
    margin-top: 20px;
}

.skills-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
}

.skills-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--green);
}

/* Profile Picture */
.profile-pic-wrapper {
    position: relative;
    max-width: 300px;
    margin: 0 auto;
    border-radius: 4px;
}

.profile-pic {
    position: relative;
    border-radius: 4px;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1);
    mix-blend-mode: multiply;
    z-index: 2;
    transition: var(--transition);
}

.profile-pic-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--green);
    opacity: 0.1;
    border-radius: 4px;
    z-index: 1;
    transition: var(--transition);
}

.profile-pic-border {
    position: absolute;
    top: 15px;
    left: 15px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--green);
    border-radius: 4px;
    z-index: 0;
    transition: var(--transition);
}

.profile-pic-wrapper:hover .profile-pic {
    filter: none;
    mix-blend-mode: normal;
}

.profile-pic-wrapper:hover .profile-pic-overlay {
    background-color: transparent;
}

.profile-pic-wrapper:hover .profile-pic-border {
    transform: translate(-5px, -5px);
}

/* Experience Section */
.tabs-container {
    display: flex;
    margin-top: 30px;
}

.tab-list {
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 3;
    width: 150px;
    margin-right: 30px;
}

.tab-button {
    display: flex;
    align-items: center;
    width: 100%;
    height: 42px;
    padding: 0 20px;
    border: none;
    border-left: 2px solid var(--lightest-navy);
    background-color: transparent;
    color: var(--slate);
    font-family: var(--font-mono);
    font-size: 13px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.tab-button:hover {
    color: var(--green);
    background-color: rgba(100, 255, 218, 0.1);
}

.tab-button.active {
    border-left: 2px solid var(--green);
    color: var(--green);
}

.tab-content {
    position: relative;
    width: 100%;
    height: auto;
}

.experience-item {
    display: none;
    animation: fadeIn 0.5s forwards;
}

.experience-item.active {
    display: block;
}

.experience-title {
    font-size: 22px;
    color: var(--lightest-slate);
    margin-bottom: 5px;
}

.experience-company {
    font-size: 18px;
    color: var(--green);
    margin-bottom: 10px;
}

.experience-date {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--light-slate);
    margin-bottom: 25px;
}

.experience-details ul {
    list-style-type: none;
}

.experience-details li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 10px;
}

.experience-details li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--green);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 50px;
}

.project-card {
    background-color: var(--light-navy);
    border-radius: 4px;
    padding: 25px;
    position: relative;
    height: 100%;
    transition: var(--transition);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom right, rgba(100, 255, 218, 0.1), transparent);
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-card:hover::before {
    opacity: 1;
}

.project-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
}

.folder-icon {
    color: var(--green);
    font-size: 30px;
    position: relative;
    z-index: 1;
}

.folder-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.project-links {
    display: flex;
    align-items: center;
    position: relative;
    margin-right: -10px;
    color: var(--light-slate);
    z-index: 1;
}

.project-links a {
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--light-slate);
    font-size: 20px;
    padding: 5px 10px;
    position: relative;
    z-index: 1;
    transition: var(--transition);
    text-decoration: none;
}

.project-links a:hover {
    color: var(--green);
    transform: translateY(-3px);
}

.project-content {
    flex: 1;
}

.project-title {
    color: var(--lightest-slate);
    font-size: 22px;
    margin-bottom: 10px;
}

.project-description {
    font-size: 15px;
    color: var(--light-slate);
    margin-bottom: 20px;
}

.project-tech-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin-top: auto;
    margin-bottom: 0;
}

.project-tech-list li {
    margin: 0 8px 8px 0;
    background-color: rgba(100, 255, 218, 0.1);
    color: var(--green);
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 12px;
    transition: var(--transition);
}

.project-tech-list li:hover {
    background-color: rgba(100, 255, 218, 0.2);
    transform: translateY(-2px);
}

/* Project Popup */
.project-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 25, 47, 0.9);
    z-index: 9999;
    overflow-y: auto;
    padding: 20px;
}

.project-popup-content {
    background-color: var(--light-navy);
    margin: 5vh auto;
    padding: 30px;
    border-radius: 8px;
    max-width: 800px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--lightest-navy);
}

.close-popup {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 28px;
    color: var(--light-slate);
    cursor: pointer;
    transition: var(--transition);
}

.close-popup:hover {
    color: var(--green);
    transform: rotate(90deg);
}

.popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.popup-header h3 {
    font-size: 28px;
    color: var(--lightest-slate);
    margin: 0;
}

.popup-links {
    display: flex;
    gap: 15px;
    margin-right: 24px;
}

.popup-links a {
    color: var(--light-slate);
    font-size: 22px;
    transition: var(--transition);
}

.popup-links a:hover {
    color: var(--green);
    transform: translateY(-3px);
}

.popup-image-container {
    width: 100%;
    margin-bottom: 25px;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--lightest-navy);
}

.popup-image-container img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.popup-tags {
    display: flex;
    flex-wrap: wrap;
    margin: 20px 0;
}

.popup-tag {
    background-color: rgba(100, 255, 218, 0.1);
    color: var(--green);
    font-family: var(--font-mono);
    font-size: 13px;
    padding: 5px 12px;
    border-radius: 12px;
    margin: 0 10px 10px 0;
    transition: var(--transition);
}

.popup-tag:hover {
    background-color: rgba(100, 255, 218, 0.2);
    transform: translateY(-2px);
}

.popup-details {
    margin-top: 25px;
    color: var(--light-slate);
}

.popup-details h4 {
    font-size: 18px;
    color: var(--lightest-slate);
    margin-bottom: 10px;
    border-bottom: 1px solid var(--lightest-navy);
    padding-bottom: 8px;
}

.popup-details ul {
    list-style-type: none;
    padding-left: 5px;
}

.popup-details li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
}

.popup-details li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--green);
}

/* Contact Section */
.contact {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact h2 {
    font-size: 50px;
    margin: 0 0 20px;
}

.contact p {
    margin: 0 auto;
}

/* Footer */
footer {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--light-slate);
}

/* Side Elements */
.social-side,
.email-side {
    position: fixed;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0;
    z-index: 10;
}

.social-side {
    left: 40px;
}

.email-side {
    right: 40px;
}

.side-link {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    color: var(--light-slate);
    font-size: 20px;
    transition: var(--transition);
    text-decoration: none;
}

.side-link:hover {
    color: var(--green);
    transform: translateY(-5px);
}

.side-line {
    width: 1px;
    height: 120px;
    background-color: var(--light-slate);
}

.email-side a {
    writing-mode: vertical-rl;
    text-decoration: none;
    color: var(--light-slate);
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 2px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.email-side a:hover {
    color: var(--green);
    transform: translateY(-5px);
}

/* Social Links */
.social-links {
    display: flex;
    margin-top: 50px;
}

.social-links a {
    margin-right: 20px;
    color: var(--light-slate);
    font-size: 22px;
    transition: var(--transition);
    text-decoration: none;
}

.social-links a:hover {
    color: var(--green);
    transform: translateY(-5px);
}

.mobile-social {
    display: none;
}

/* Links */
.experience-company a,
.company-link {
    color: var(--green);
    text-decoration: none;
    transition: color 0.3s ease-in-out;
}

.experience-company a:hover,
.company-link:hover {
    color: var(--lightest-slate);
}

/* Media Queries */
@media (max-width: 1080px) {
    .container {
        padding: 0 100px;
    }

    .social-side,
    .email-side {
        left: 20px;
        right: 20px;
    }
}

@media (max-width: 960px) {
    .about-content {
        display: block;
    }

    .profile-pic-wrapper {
        margin: 50px auto 0;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 50px;
    }

    h1 {
        font-size: 60px;
    }

    h2 {
        font-size: 40px;
    }

    .social-side,
    .email-side {
        display: none;
    }

    .header-inner {
        position: relative;
        width: 100%;
        padding: 0 15px;
    }

    .hamburger {
        display: flex;
        justify-content: center;
        align-items: center;
        position: absolute;
        top: 50%;
        right: 15px;
        transform: translateY(-50%);
        z-index: 12;
    }

    nav {
        width: auto;
        position: static;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        position: fixed;
        top: 0;
        right: 0;
        width: 60vw;
        height: 100vh;
        padding: 100px 0;
        background-color: var(--light-navy);
        box-shadow: -10px 0px 30px -15px rgba(2, 12, 27, 0.7);
        z-index: 11;
        transform: translateX(100%);
        transition: var(--transition);
    }

    .menu-open .nav-links {
        transform: translateX(0);
    }

    .nav-links li {
        margin: 20px 0;
    }

    .nav-links li a {
        font-size: 16px;
    }

    .resume-button {
        margin: 20px 0 0 0;
        padding: 15px 25px;
        font-size: 16px;
    }

    .tabs-container {
        flex-direction: column;
    }

    .tab-list {
        flex-direction: row;
        width: 100%;
        margin-right: 0;
        margin-bottom: 30px;
        overflow-x: auto;
    }

    .tab-button {
        border-left: none;
        border-bottom: 2px solid var(--lightest-navy);
        min-width: 120px;
        height: 40px;
        text-align: center;
        justify-content: center;
    }

    .tab-button.active {
        border-left: none;
        border-bottom: 2px solid var(--green);
    }

    .footer-social {
        display: block;
        margin-top: 30px;
    }

    .footer-social ul {
        display: flex;
        justify-content: center;
        align-items: center;
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .footer-social li {
        margin: 0 10px;
    }

    .mobile-social {
        display: block;
        margin-top: 30px;
    }

    .mobile-social ul {
        display: flex;
        justify-content: center;
        align-items: center;
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .mobile-social li {
        margin: 0 15px;
    }

    .mobile-social a {
        color: var(--light-slate);
        font-size: 20px;
        transition: var(--transition);
    }

    .mobile-social a:hover {
        color: var(--green);
    }

    .project-popup-content {
        padding: 20px;
        margin: 2vh auto;
    }

    .popup-header h3 {
        font-size: 22px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 25px;
    }

    h1 {
        font-size: 40px;
    }

    h2 {
        font-size: 30px;
    }

    .hero {
        min-height: auto;
        padding: 150px 0;
        margin: 0 24px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .contact h2 {
        font-size: 40px;
    }

    .hamburger {
        top: 15px;
        right: 15px;
    }

    .nav-links {
        width: 75vw;
    }

    .project-popup-content {
        padding: 15px;
    }

    .popup-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .popup-links {
        margin-top: 15px;
    }
}