/* --- CSS Variables for Easy Theming --- */
:root {
    --bg-color: #0a192f;
    --text-color: #ccd6f6;
    --secondary-text-color: #a8b2d1; 
    --accent-color: #64ffda;
    --card-bg: #112240;
    --border-color: rgba(100, 255, 218, 0.1);
    --mono-font: 'Fira Code', monospace;
    --border-radius: 4px;
    --easing: cubic-bezier(0.645, 0.045, 0.355, 1);
    --transition: all 0.25s var(--easing);
}

/* --- Global Styles & Resets --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--mono-font);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Accessibility ENHANCEMENT: Add clear focus styles for keyboard navigation --- */
:focus-visible {
    outline: 2px dashed var(--accent-color);
    outline-offset: 3px;
    border-radius: var(--border-radius);
}
a, button {
    cursor: pointer;
    border: 0;
    color: inherit;
    text-decoration: none;
}
a:focus-visible, button:focus-visible {
    outline-offset: 5px;
}

/* --- Custom Themed Scrollbar --- */
body::-webkit-scrollbar { width: 12px; }
body::-webkit-scrollbar-track { background: var(--bg-color); }
body::-webkit-scrollbar-thumb {
    background-color: var(--secondary-text-color);
    border: 3px solid var(--bg-color);
    border-radius: 10px;
}

.scanline-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: repeating-linear-gradient(0deg, rgba(0,0,0,0.3), rgba(0,0,0,0.3) 1px, transparent 1px, transparent 2px);
    pointer-events: none; z-index: 9999;
    opacity: 0.5;
}

main { padding: 0 150px; filter: none; transition: var(--transition); }
main.blur { filter: blur(5px) brightness(0.7); pointer-events: none; }
section { padding: 100px 0; max-width: 1000px; margin: 0 auto; }
.section-title {
    font-size: clamp(26px, 5vw, 32px); color: var(--accent-color);
    margin-bottom: 40px; font-weight: 500; display: flex;
    align-items: center; position: relative; white-space: nowrap;
}
.section-title::after {
    content: ''; display: block; position: relative; top: -2px;
    width: 300px; height: 1px; margin-left: 20px;
    background-color: #233554;
}

/* --- Animation System --- */
/* 1. Animation for page-load elements (triggered automatically by CSS) */
@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-on-load {
    opacity: 0; /* Start hidden */
    animation-name: fade-in-up;
    animation-duration: 0.6s;
    animation-timing-function: var(--easing);
    animation-fill-mode: forwards; /* Stay visible after animation */
}

/* 2. Animation for on-scroll elements (triggered by JavaScript) */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--easing), transform 0.6s var(--easing);
}

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

/* --- Navigation --- */
nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0px 50px; position: fixed; width: 100%; top: 0; height: 80px;
    background-color: rgba(10, 25, 47, 0.85); backdrop-filter: blur(10px); z-index: 100;
}
nav .logo a {
    font-size: 1.5rem; color: var(--accent-color); font-weight: 700; transition: var(--transition);
}
nav .logo a:hover { transform: scale(1.05); text-shadow: 0 0 5px var(--accent-color); }
nav .nav-links { display: flex; list-style: none; align-items: center; }
nav .nav-links li { margin-left: 30px; }
nav .nav-links a { padding: 5px; position: relative; transition: var(--transition); }
nav .nav-links a:hover { color: var(--accent-color); }
nav .nav-links a.active { color: var(--accent-color); }
nav .nav-links a::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 100%; height: 2px; background-color: var(--accent-color);
    transform: scaleX(0); transform-origin: right;
    transition: transform 0.4s var(--easing);
}
nav .nav-links a:hover::after,
nav .nav-links a.active::after {
    transform: scaleX(1); transform-origin: left;
}

/* NEW: Styles for the Terminal CTA button in the nav */
nav .nav-links a.nav-cta-button {
    padding: 8px 16px;
    border: 1px solid var(--accent-color);
    border-radius: var(--border-radius);
    color: var(--accent-color);
    font-size: 0.9rem;
}
nav .nav-links a.nav-cta-button:hover {
    background-color: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
}
nav .nav-links a.nav-cta-button::after,
nav .nav-links a.nav-cta-button.active::after {
    display: none; /* No underline effect for the button */
}

/* --- Left & Right Sidebars --- */
.left-sidebar, .right-sidebar {
    width: 40px; position: fixed; bottom: 0; left: 40px;
    right: auto; z-index: 10; color: var(--text-color);
}
.right-sidebar { left: auto; right: 40px; }
.left-sidebar ul { display: flex; flex-direction: column; align-items: center; list-style: none; }
.left-sidebar li { padding: 10px 0; }
.left-sidebar a { font-size: 1.25rem; color: var(--text-color); transition: var(--transition); }
.left-sidebar a:hover { color: var(--accent-color); transform: translateY(-3px); }
.left-sidebar::after, .right-sidebar::after {
    content: ''; display: block; width: 1px; height: 90px;
    margin: 20px auto 0; background-color: var(--secondary-text-color);
}
.right-sidebar a {
    writing-mode: vertical-rl; font-size: 0.9rem; letter-spacing: 0.1em;
    color: var(--secondary-text-color); transition: var(--transition); padding-bottom: 20px;
}
.right-sidebar a:hover { color: var(--accent-color); transform: translateY(-3px); }

/* --- Hero Section --- */
#hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; }
.hero-intro { color: var(--accent-color); font-size: 1.2rem; margin-bottom: 20px; }
.hero-name { font-size: clamp(40px, 8vw, 80px); color: var(--text-color); line-height: 1.1; font-weight: 700; }
.hero-tagline { font-size: clamp(30px, 6vw, 60px); color: var(--secondary-text-color); line-height: 1.1; margin-top: 10px; }
.hero-description { max-width: 540px; margin-top: 25px; color: var(--secondary-text-color); }
.hero-cli { margin-top: 50px; font-size: 1.1rem; color: var(--secondary-text-color); }
#typing-text { color: var(--text-color); }
.typed-cursor { color: var(--accent-color); animation: blink 1s step-end infinite; }
@keyframes blink { from, to { opacity: 1; } 50% { opacity: 0; } }

/* --- About Section --- */
.about-content { display: grid; grid-template-columns: 3fr 2fr; gap: 50px; align-items: flex-start; }
.about-text p { margin-bottom: 15px; color: var(--secondary-text-color); }
.tech-list { display: grid; grid-template-columns: repeat(2, minmax(140px, 200px)); list-style: none; margin-top: 20px; gap: 10px; padding: 0;}
.tech-list li { position: relative; padding-left: 20px; color: var(--secondary-text-color); }
.tech-list li::before { content: '>'; position: absolute; left: 0; color: var(--accent-color); }
.about-photo { position: relative; max-width: 300px; }
.about-photo img { width: 100%; border-radius: var(--border-radius); display: block; position: relative; z-index: 1; }
.about-photo::after {
    content: ''; display: block; position: absolute;
    width: 100%; height: 100%; border: 2px solid var(--accent-color);
    border-radius: var(--border-radius); top: 14px; left: 14px;
    z-index: 0; transition: var(--transition);
}
.about-photo:hover::after { top: 10px; left: 10px; }

/* --- Projects Section --- */
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.project-card {
    background-color: var(--card-bg); border-radius: var(--border-radius); display: flex; flex-direction: column;
    transition: var(--transition); box-shadow: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
}
.project-card:hover { transform: translateY(-7px); box-shadow: 0 20px 30px -15px rgba(2, 12, 27, 0.7); }
.card-header {
    background-color: #233554; padding: 10px 15px; border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; border-top-left-radius: 3px; border-top-right-radius: 3px;
}
.dots { display: flex; align-items: center; margin-right: 10px; }
.dot { height: 10px; width: 10px; border-radius: 50%; margin-right: 5px; }
.dot.red { background: #ff5f56; } .dot.yellow { background: #ffbd2e; } .dot.green { background: #27c93f; }
.card-title { color: var(--accent-color); font-size: 0.9rem; transition: var(--transition); }
.card-image { background-color: var(--accent-color); }
.card-image a { display: block; }
.card-image img { width: 100%; display: block; object-fit: cover; mix-blend-mode: multiply; filter: grayscale(100%) contrast(1); transition: var(--transition); }
.project-card:hover .card-image img { filter: none; mix-blend-mode: normal; }
.card-body { padding: 20px; flex-grow: 1; }
.project-description { color: var(--secondary-text-color); font-size: 0.9rem; }
.project-tech { list-style: none; display: flex; flex-wrap: wrap; margin-top: 15px; font-size: 0.8rem; color: var(--secondary-text-color); padding: 0; }
.project-tech li { margin-right: 15px; margin-bottom: 5px; }
.card-links { padding: 0 20px 20px; display: flex; justify-content: flex-end; gap: 15px; }
.card-links a:hover { text-decoration: underline; text-shadow: 0 0 3px var(--accent-color); }

/* --- Contact Section --- */
#contact { text-align: center; }
.contact-box { max-width: 600px; margin: 0 auto; }
.contact-box h3 { font-size: clamp(28px, 5vw, 40px); color: var(--text-color); margin-bottom: 15px; }
.contact-box p { color: var(--secondary-text-color); margin-bottom: 30px; }
.cta-button {
    display: inline-block; padding: 15px 30px; border: 1px solid var(--accent-color);
    border-radius: var(--border-radius); transition: var(--transition);
}
.cta-button:hover { background-color: rgba(100, 255, 218, 0.1); }

/* --- Footer --- */
footer {
    padding: 25px; text-align: center;
    color: var(--secondary-text-color); font-size: 0.8rem;
}
.footer-socials {
    display: none; /* Hidden on desktop, shown on mobile */
    margin-bottom: 15px;
}
.footer-socials a { font-size: 1.5rem; margin: 0 10px; transition: var(--transition); }
.footer-socials a:hover { color: var(--accent-color); transform: translateY(-3px); }

/* --- Hamburger Menu for Mobile --- */
.hamburger {
    display: none; position: fixed; top: 25px; right: 25px; z-index: 101;
    width: 30px; height: 30px; padding: 0; margin: 0; background: transparent;
}
.hamburger-box { position: relative; width: 30px; height: 24px; }
.hamburger-inner {
    position: absolute; width: 30px; height: 2px;
    background-color: var(--accent-color); border-radius: 2px;
    top: 50%; transform: translateY(-50%); transition: transform 0.22s var(--easing) 0.12s;
}
.hamburger-inner::before, .hamburger-inner::after {
    content: ''; position: absolute; width: 30px; height: 2px;
    background-color: var(--accent-color); border-radius: 2px;
    transition: transform 0.22s var(--easing);
}
.hamburger-inner::before { top: -10px; transition-delay: 0s; }
.hamburger-inner::after { bottom: -10px; transition-delay: 0s; }
.hamburger.is-active .hamburger-inner { transform: rotate(225deg); transition-delay: 0.22s; }
.hamburger.is-active .hamburger-inner::before { top: 0; transform: rotate(90deg); transition-delay: 0.1s; }
.hamburger.is-active .hamburger-inner::after { bottom: 0; opacity: 0; }
.mobile-nav {
    display: none; justify-content: center; align-items: center; flex-direction: column;
    position: fixed; top: 0; right: 0; width: min(75vw, 400px);
    height: 100vh; background-color: var(--card-bg); z-index: 100;
    transform: translateX(100vw);
    transition: transform 0.4s var(--easing); visibility: hidden;
}
.mobile-nav.is-active { transform: translateX(0); visibility: visible; }
.mobile-nav ul { list-style: none; text-align: center; padding: 0; }
.mobile-nav ul li { margin-bottom: 30px; }
.mobile-nav ul li a {
    font-size: clamp(18px, 4vw, 24px); padding: 10px; transition: color 0.3s;
}
.mobile-nav ul li a:hover { color: var(--accent-color); }

/* NEW: Style for the CTA button inside the mobile nav panel */
.mobile-nav .mobile-nav-cta {
    margin-bottom: 40px;
    font-size: clamp(16px, 3.5vw, 20px);
    padding: 12px 24px;
}

.mobile-socials { display: flex; margin-top: 20px; }
.mobile-socials li { margin: 0 15px; }
.mobile-socials a { font-size: 1.5rem; }

/* --- Media Queries --- */
@media (max-width: 1080px) {
    main { padding: 0 100px; }
    .left-sidebar, .right-sidebar { display: none; }
    footer .footer-socials { display: block; }
}

@media (max-width: 768px) {
    main { padding: 0 50px; }
    nav .nav-links { display: none; }
    .hamburger { display: block; }
    .mobile-nav { display: flex; }
    .about-content { grid-template-columns: 1fr; }
    .about-photo { grid-row: 1; margin: 0 auto 60px; }
    .section-title::after { width: 100px; }
}

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