:root {
      --font-primary: 'Montserrat', sans-serif;
      --font-headings: 'Montserrat', sans-serif;
      --primary-text-color: #b3b3b3; 
      --heading-text-color: #e5e5e5;
      --primary-bg-color: #000000; 
      --secondary-bg-color: #000000; 
      --accent-color: #ffffff; 
      --accent-color-hover: #cccccc; 
      --border-color: rgba(255, 255, 255, 0.1);
      --nav-bg-color: rgba(0, 0, 0, 0.5); 
      --nav-border-color: rgba(255, 255, 255, 0.1);
      
      --ucf-gold: #FFC904;
      --linkedin-blue: #0A66C2;
      --github-dark: #24292e;
      --gmail-red: #EA4335;
      --gmail-red-hover: #D93025;

      --header-height-actual: 70px; 
      --section-padding-desktop-top: 6rem; 
      --section-padding-desktop-bottom: 6rem; 
      --section-padding-desktop-sides: 4rem;
      --section-padding-mobile-top: calc(var(--header-height-actual) + 2.5rem); 
      --section-padding-mobile-bottom: 3.5rem; 
      --section-padding-mobile-sides: 1.5rem;
      
      --card-shadow: 0 10px 30px rgba(0,0,0,0.4);
      --text-shadow: none;
      --border-radius-sm: 4px;
      --border-radius-md: 12px;
    }

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

    html { 
      scroll-behavior: smooth; 
      font-size: 16px; 
    }

    body {
      font-family: var(--font-primary);
      font-weight: 400; 
      font-size: 1.125rem; 
      color: var(--primary-text-color);
      background-color: var(--primary-bg-color);
      line-height: 1.7;
      overflow-x: hidden; 
      opacity: 0;
      animation: fadeIn 0.8s ease-out forwards;
    }

    @keyframes fadeIn { to { opacity: 1; } }

    body.terminal-open-no-scroll {
      overflow: hidden;
    }

    body { 
      scrollbar-width: thin; 
      scrollbar-color: var(--accent-color) var(--primary-bg-color); 
    }

    ::-webkit-scrollbar { 
      width: 10px; 
      height: 10px; 
    }

    ::-webkit-scrollbar-track { 
      background: var(--secondary-bg-color); 
    }

    ::-webkit-scrollbar-thumb { 
      background: var(--accent-color); 
      border-radius: var(--border-radius-sm); 
      border: 2px solid var(--secondary-bg-color); 
    }

    ::-webkit-scrollbar-thumb:hover { 
      background: var(--accent-color-hover); 
    }

    h1, h2, h3, h4, h5, h6 { 
      font-family: var(--font-headings); 
      font-weight: 900; 
      color: var(--heading-text-color); 
      margin-bottom: 1.5rem; 
      line-height: 1.2; 
      letter-spacing: -0.03em; 
      text-shadow: var(--text-shadow); 
    }

    h1 { 
      font-size: clamp(2.5rem, 6vw, 4rem); 
      min-height: 0; 
    }

    h2.section__title { 
      font-size: clamp(2rem, 4vw, 2.75rem); 
      text-align: center; 
      margin-bottom: 0.5rem; 
    }

    .section__title-container { 
      margin-bottom: 4rem; 
      display: flex; 
      flex-direction: column; 
      align-items: center; 
    }

    .section__title-underline { 
      width: 80px; 
      height: 4px; 
      background-color: var(--accent-color); 
      border-radius: 2px; 
    }

    h3 { 
      font-size: clamp(1.5rem, 3vw, 2rem); 
    }

    h4 { 
      font-size: clamp(1.1rem, 2vw, 1.35rem); 
      font-weight: 700; 
      color: var(--heading-text-color); 
      margin-bottom: 1rem; 
    }

    p { 
      margin-bottom: 1rem; 
      max-width: 70ch; 
    }

    p.subtitle { 
      font-size: clamp(1.1rem, 2.5vw, 1.3rem); 
      color: var(--primary-text-color); 
      opacity: 0.9; 
      margin-bottom: 2rem; 
    }

    a { 
      color: var(--accent-color); 
      text-decoration: none; 
      transition: color 0.3s ease; 
    }

    .ucf-gold { 
      color: var(--ucf-gold); 
      font-weight: 700; 
    }

    .animate-on-scroll { 
      opacity: 0; 
      transform: translateY(30px); 
      transition: opacity 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275), transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
      will-change: opacity, transform; 
    }

    .animate-on-scroll.is-visible { 
      opacity: 1; 
      transform: translateY(0); 
    }

    .animate-on-scroll.delay-1 { 
      transition-delay: 100ms; 
    }

    .site-header { 
      position: fixed; 
      top: 0; 
      left: 0; 
      width: 100%; 
      z-index: 1000; 
      background: var(--nav-bg-color); 
      backdrop-filter: blur(12px); 
      -webkit-backdrop-filter: blur(12px); 
      border-bottom: 1px solid var(--nav-border-color); 
      min-height: var(--header-height-actual); 
    }

    .nav { 
      display: flex; 
      justify-content: space-between; 
      align-items: center; 
      padding: 0.75rem 2rem; 
      max-width: 1200px; 
      margin: 0 auto; 
      height: var(--header-height-actual); 
    }

    .nav__logo { 
      color: var(--heading-text-color); 
      font-size: 1.5rem; 
      font-weight: 700; 
      text-decoration: none; 
    }

    .nav__links { 
      display: flex; 
      list-style: none; 
      gap: 2rem; 
    }

    .nav__links a { 
      color: var(--primary-text-color); 
      text-decoration: none; 
      position: relative; 
      display: flex; 
      flex-direction: column; 
      align-items: center; 
      justify-content: center; 
      padding: 0.25rem 0; 
      min-width: 80px; 
      font-weight: 500; 
    }

    .nav__links a span { 
      display: inline-block; 
      white-space: nowrap; 
      transition: transform 0.3s ease, opacity 0.3s ease; 
    }

    .nav__links a span.text { 
      transform: translateY(0%); 
      opacity: 1; 
    }

    .nav__links a span.icon { 
      position: absolute; 
      top: 50%; 
      left: 50%; 
      transform: translate(-50%, 150%); 
      opacity: 0; 
      font-size: 1.3rem; 
    }

    .nav__links a.icon-mode span.text { 
      transform: translateY(-150%); 
      opacity: 0; 
    }

    .nav__links a.icon-mode span.icon { 
      transform: translate(-50%, -50%); 
      opacity: 1; 
    }

    .nav__links a::after { 
      content: ''; 
      position: absolute; 
      bottom: -2px; 
      left: 50%; 
      transform: translateX(-50%); 
      width: 0%; 
      height: 3px; 
      background-color: var(--accent-color); 
      border-radius: 2px; 
      transition: width 0.3s ease; 
    }

    .nav__links a.active::after { 
      width: 70%; 
    }

    .nav__links a.active { 
      color: var(--accent-color); 
    }

    .nav__toggle { 
      display: none; 
      background: transparent; 
      border: none; 
      color: var(--primary-text-color); 
      font-size: 1.8rem; 
      cursor: pointer; 
      padding: 0.5rem; 
      z-index: 1100; 
    }

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

    .section { 
      min-height: auto; 
      padding: var(--section-padding-desktop-top) var(--section-padding-desktop-sides) var(--section-padding-desktop-bottom); 
      display: flex; 
      flex-direction: column; 
      justify-content: center; 
      max-width: 1100px; 
      margin: 0 auto; 
    }

    #home.section { 
      position: relative; 
      min-height: 100vh; 
      padding-top: var(--header-height-actual); 
      padding-bottom: 2rem; 
      display: flex; 
      flex-direction: column; 
      justify-content: center; 
      align-items: center; 
      text-align: center; 
    }

    #home h1, #home p.subtitle { 
      max-width: 900px; 
    }

    .availability { 
      border: 1px solid var(--border-color); 
      padding: 0.5rem 1rem; 
      border-radius: 50px; 
      font-size: 0.9rem; 
      display: inline-flex; 
      align-items: center; 
      gap: 0.5rem; 
      margin-bottom: 2rem; 
    }

    .availability::before { 
      content: ''; 
      display: block; 
      width: 8px; 
      height: 8px; 
      background-color: #28a745; 
      border-radius: 50%; 
      animation: pulse 2s infinite; 
    }

    @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

    .cta-group { 
      margin-top: 2.5rem; 
      display: flex; 
      flex-wrap: wrap; 
      gap: 1rem; 
      justify-content: center; 
    }

    .btn { 
      display: inline-flex; 
      align-items: center; 
      justify-content: center; 
      gap: 0.5rem; 
      padding: 0.75rem 1.75rem; 
      border-radius: var(--border-radius-sm); 
      text-decoration: none; 
      font-weight: 700; 
      font-size: 1rem; 
      border: 2px solid transparent; 
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
      cursor: pointer; 
    }

    .btn--primary { 
      background-color: var(--accent-color); 
      color: var(--primary-bg-color); 
    }

    .btn--primary:hover, .btn--primary:focus { 
      background-color: var(--accent-color-hover); 
      color: var(--primary-bg-color); 
      transform: translateY(-3px); 
      box-shadow: 0 4px 12px rgba(255,255,255,0.1); 
    }

    .btn--secondary { 
      background-color: transparent; 
      color: var(--accent-color); 
      border-color: var(--accent-color); 
    }

    .btn--secondary:hover, .btn--secondary:focus { 
      background-color: var(--accent-color); 
      color: var(--primary-bg-color); 
      transform: translateY(-3px); 
      box-shadow: 0 4px 12px rgba(255,255,255,0.1); 
    }

    .bento-box {
      background-color: var(--secondary-bg-color);
      border-radius: var(--border-radius-md);
      padding: 1.5rem;
      border: 1px solid var(--border-color);
    }

    .bento-box h4 {
      text-align: center;
    }

    .bento-box p {
      text-align: justify;
      max-width: none;
    }

    .skills-grid-container {
        margin-top: 2.5rem;
    }

    .skills-grid-header {
        text-align: center;
        margin-bottom: 1.5rem;
    }

    .skills-grid {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.75rem;
    }

    .skill-grid-item {
        background-color: var(--secondary-bg-color);
        border: 1px solid var(--border-color);
        color: var(--primary-text-color);
        padding: 0.5rem 1.25rem;
        border-radius: var(--border-radius-sm);
        font-size: 1rem;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.3s ease;
        text-align: center;
        flex-grow: 1;
        flex-basis: auto;
    }

    .skill-grid-item:hover {
        background-color: var(--accent-color);
        color: var(--primary-bg-color);
        transform: translateY(-2px);
    }

    .skill-grid-item.active {
        background-color: var(--heading-text-color);
        color: var(--primary-bg-color);
        border-color: var(--heading-text-color);
    }

    .projects-grid { 
      display: flex; 
      flex-direction: column; 
      gap: 5rem; 
      margin-top: 2rem; 
    }

    .project-card { 
      display: grid; 
      grid-template-columns: repeat(12, 1fr); 
      gap: 1.5rem; 
      align-items: center; 
      background: transparent; 
      border: none; 
      box-shadow: none; 
      transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
      will-change: transform; 
    }

    .project-card:hover { 
      transform: scale(1.02); 
      box-shadow: none; 
    }

    .project-card.is-filtered {
        opacity: 0.2;
        pointer-events: none;
    }

    .project-card__image-container { 
      grid-column: 1 / 8; 
      grid-row: 1; 
      border-radius: var(--border-radius-md); 
      overflow: hidden; 
      box-shadow: var(--card-shadow); 
      aspect-ratio: 16 / 9;
    }

    .project-card:nth-child(even) .project-card__image-container { 
      grid-column: 6 / -1; 
    }

    .project-card__image-container img { 
      width: 100%; 
      height: 100%; 
      object-fit: cover; 
      display: block; 
      filter: grayscale(100%); 
      transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), filter 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
      will-change: transform, filter; 
    }

    .project-card:hover .project-card__image-container img { 
      filter: grayscale(0%); 
      transform: scale(1.05); 
    }

    .project-card__content { 
      grid-column: 7 / -1; 
      grid-row: 1; 
      text-align: right; 
      padding: 0; 
      z-index: 2; 
    }

    .project-card:nth-child(even) .project-card__content { 
      grid-column: 1 / 7; 
      text-align: left; 
    }

    .project-card__content h4 { 
      font-size: 1.5rem; 
      margin-bottom: 1rem; 
    }

    .project-card__content .project-description { 
      background-color: var(--secondary-bg-color); 
      border: 1px solid var(--border-color); 
      padding: 1.5rem; 
      border-radius: var(--border-radius-sm); 
      box-shadow: var(--card-shadow); 
      margin-bottom: 1.5rem; 
    }

    .project-card__content .project-description p { 
      font-size: 0.95rem; 
      line-height: 1.6; 
      margin-bottom: 0; 
    }

    .project-card__tags { 
      display: flex; 
      flex-wrap: wrap; 
      gap: 0.5rem; 
      justify-content: flex-end; 
    }

    .project-card:nth-child(even) .project-card__tags { 
      justify-content: flex-start; 
    }

    .project-card__tag { 
      font-size: 0.75rem; 
      padding: 0.2rem 0.6rem; 
      background-color: rgba(255,255,255,0.1); 
      border-radius: 999px; 
      color: var(--primary-text-color); 
    }

    .project-card__links { 
      display: flex; 
      justify-content: flex-end; 
      gap: 1rem; 
    }

    .project-card:nth-child(even) .project-card__links { 
      justify-content: flex-start; 
    }

    .project-card__link-button { 
      display: inline-flex; 
      align-items: center; 
      justify-content: center; 
      gap: 0.5rem; 
      color: var(--primary-text-color); 
      font-size: 1.5rem; 
      padding: 0.5rem; 
    }

    .project-card__link-button:hover { 
      color: var(--accent-color); 
    }

    #contact { 
      text-align: center; 
    }

    #contact p { 
      margin: 0 auto 2rem; 
    }

    .contact-links { 
      display: flex; 
      flex-wrap: wrap; 
      justify-content: center; 
      gap: 1rem; 
    }

    .contact-links a.btn--primary[href*="mailto:"] { 
      background-color: var(--gmail-red); 
      border-color: var(--gmail-red); 
      color: #fff; 
    }

    .contact-links a.btn--primary[href*="mailto:"]:hover { 
      background-color: var(--gmail-red-hover); 
      border-color: var(--gmail-red-hover); 
      box-shadow: 0 4px 15px rgba(234, 67, 53, 0.4); 
      color: #fff; 
    }

    .contact-links a.btn--secondary[href*="linkedin.com"] { 
      color: var(--linkedin-blue); 
      border-color: var(--linkedin-blue); 
    }

    .contact-links a.btn--secondary[href*="linkedin.com"]:hover { 
      background-color: var(--linkedin-blue); 
      border-color: var(--linkedin-blue); 
      box-shadow: 0 4px 12px rgba(10, 102, 194, 0.4); 
      color: #fff; 
    }

    .contact-links a.btn--secondary[href*="github.com"] { 
      color: #fff; 
      border-color: #fff; 
    }

    .contact-links a.btn--secondary[href*="github.com"]:hover { 
      background-color: var(--github-dark); 
      border-color: var(--github-dark); 
      box-shadow: 0 4px 12px rgba(36, 41, 46, 0.3); 
      color: #fff; 
    }

    .site-footer-bottom { 
      text-align: center; 
      padding: 2rem 1rem; 
      background-color: #111111;
      border-top: 1px solid var(--nav-border-color); 
      margin-top: 3rem; 
      font-size: 0.9rem; 
      color: var(--primary-text-color); 
      opacity: 0.8; 
    }

    .site-footer-bottom p { 
      max-width: none; 
      margin-bottom: 0.25rem; 
    }

    .terminal-fab {
      position: fixed;
      bottom: 2rem;
      right: 2rem;
      z-index: 1500;
      width: 60px;
      height: 60px;
      background-color: var(--secondary-bg-color);
      border: 1px solid var(--border-color);
      border-radius: 50%;
      color: var(--heading-text-color);
      font-size: 1.75rem;
      display: flex;
      justify-content: center;
      align-items: center;
      cursor: pointer;
      box-shadow: 0 5px 15px rgba(0,0,0,0.3);
      transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
      opacity: 1;
      visibility: visible;
    }

    .terminal-fab:hover {
      transform: scale(1.1);
      border-color: var(--accent-color);
    }

    .terminal-fab--hidden {
      opacity: 0;
      visibility: hidden;
      transform: scale(0.8);
    }

    .terminal {
      position: fixed;
      bottom: 2rem;
      left: 50%;
      transform: translate(-50%, 120%) scale(0.9);
      width: 90%;
      max-width: 700px;
      height: 420px;
      background-color: var(--primary-bg-color);
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius-md);
      box-shadow: 0 15px 40px rgba(0,0,0,0.5);
      display: flex;
      flex-direction: column;
      font-family: 'Courier New', Courier, monospace;
      font-size: 1rem;
      z-index: 2000;
      opacity: 0;
      visibility: hidden;
      transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease, visibility 0.4s ease;
      pointer-events: none;
    }

    .terminal--open {
      transform: translate(-50%, 0) scale(1);
      opacity: 1;
      visibility: visible;
    }

    .terminal__header, .terminal__body {
      pointer-events: auto;
    }

    .terminal__header {
      background-color: #111111;
      padding: 0.5rem 1rem;
      border-bottom: 1px solid var(--border-color);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: bold;
      color: var(--primary-text-color);
      border-top-left-radius: var(--border-radius-md);
      border-top-right-radius: var(--border-radius-md);
    }

    .terminal__close {
      background: none;
      border: none;
      color: var(--primary-text-color);
      font-size: 1.5rem;
      line-height: 1;
      cursor: pointer;
    }

    .terminal__body {
      flex-grow: 1;
      overflow-y: auto;
      padding: 1rem;
      line-height: 1.6;
      cursor: text;
    }

    .terminal__body p, .terminal__body a, .terminal__body pre, .terminal__body h4 {
      font-family: 'Courier New', Courier, monospace;
      margin-bottom: 0.5rem;
      max-width: 100%;
      word-break: break-all;
    }

    .terminal__body h4 {
        font-size: 1rem;
        font-weight: bold;
        margin-bottom: 1rem;
        color: var(--heading-text-color);
    }

    .terminal__body .command-output {
      white-space: pre-wrap;
    }
    
    .terminal__input {
      position: absolute;
      opacity: 0;
      width: 1px;
      height: 1px;
      pointer-events: none;
    }

    .blinking-cursor {
      display: inline-block;
      width: 10px;
      height: 1.2rem;
      background-color: var(--heading-text-color);
      animation: blink 1s step-end infinite;
      margin-left: 5px;
      vertical-align: bottom;
    }

    @keyframes blink {
      50% {
        background-color: transparent;
      }
    }

    @media (max-width: 768px) { 
      .section { padding-top: var(--section-padding-mobile-top); padding-bottom: var(--section-padding-mobile-bottom); padding-left: var(--section-padding-mobile-sides); padding-right: var(--section-padding-mobile-sides); }
      .nav__toggle { display: block; }
      .nav__links { position: fixed; top: var(--header-height-actual); left: 0; width: 100%; height: calc(100vh - var(--header-height-actual)); background-color: var(--primary-bg-color); flex-direction: column; align-items: center; justify-content: flex-start; padding-top: 2rem; gap: 1.5rem; transform: translateX(100%); transition: transform 0.3s ease-in-out; z-index: 999; }
      .nav__links.nav__links--open { transform: translateX(0%); }
      
      .project-card, .project-card:nth-child(even) { display: flex; flex-direction: column; gap: 0; }
      .project-card__content .project-description { margin-top: 1.5rem; background-color: transparent; border: none; box-shadow: none; padding: 0; }
    }