:root {
    --bg-dark: #0f111a;
    --bg-secondary: #1a1c29;
    --accent-pink: #f472b6;
    --accent-cyan: #22d3ee;
    --accent-purple: #c084fc;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    
    --font-terminal: "Fira Code", monospace;
    --font-ui: "Inter", sans-serif;

    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 15px rgba(244, 114, 182, 0.3);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Header & Fire Effect ===== */
#header-logo {
    position: relative;
    padding: 1rem 0; /* Reduced padding for cleaner look */
    border-bottom: 1px solid var(--accent-pink);
    box-shadow: var(--shadow-glow);
    background: transparent;
    z-index: 1000;
}

.header-content {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: row; /* Horizontal Layout */
    align-items: center;
    justify-content: space-between; /* Logo Left, Nav Center/Right */
    gap: 2rem;
    max-width: 1200px; /* Constrain width */
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -1px;
    color: #fff;
    text-shadow: 0 0 10px var(--accent-pink);
    margin-right: auto; /* Push everything else to right if needed, but space-between handles it */
}

.logo-link img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 0 5px var(--accent-pink));
    transition: var(--transition);
}

.logo-link:hover img {
    transform: translateY(-5px) rotate(-5deg);
}

/* Navigation - Morphing Glassmorphism */
/* Navigation - Morphing Glassmorphism */
.glassy-nav {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    padding: 0.8rem 2.5rem; /* Increased padding */
    border-radius: 999px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Default State: Static in header */
    position: relative;
    top: 0;
    width: auto;
    opacity: 1;
    z-index: 1000;
}

/* Nav Links Formatting */
.nav-links {
    display: flex;
    gap: 1.5rem; /* More space */
    align-items: center;
}

.nav-link {
    font-family: var(--font-terminal);
    font-size: 1rem; /* Larger font */
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
}

/* Conditional Home Link: Hidden by default (Logo serves as home) */
.link-home { display: none; }
/* Show Home link ONLY when scrolled/floating */
.glassy-nav.scrolled .link-home { display: flex; }

/* Individual Hover Colors */
.link-home:hover { color: #fff; text-shadow: 0 0 10px var(--accent-purple); }
.link-home i { color: var(--accent-purple); }

.link-posts:hover { color: #fff; text-shadow: 0 0 10px var(--accent-cyan); }
.link-posts i { color: var(--accent-cyan); }

.link-tags:hover { color: #fff; text-shadow: 0 0 10px #f59e0b; /* Orange */ }
.link-tags i { color: #f59e0b; }

.link-writeups:hover { color: #fff; text-shadow: 0 0 10px #22c55e; /* Green */ }
.link-writeups i { color: #22c55e; }

.link-personal:hover { color: #fff; text-shadow: 0 0 10px var(--accent-pink); }
.link-personal i { color: var(--accent-pink); }

/* Animation for all links on hover */
.nav-link:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.05);
}

/* Scrolled State: Fixed Floating Button */
.glassy-nav.scrolled {
    position: fixed;
    top: 2rem;
    right: 2rem;
    /* Larger size as requested */
    width: 70px;
    height: 70px;
    padding: 0;
    border-radius: 50%;
    overflow: hidden;
    background: rgba(15, 17, 26, 0.95);
    /* Vibrant Border */
    border: 2px solid var(--accent-pink); 
    box-shadow: 0 0 25px rgba(244, 114, 182, 0.4);
    cursor: pointer;
    z-index: 9999;
}

/* Icon for Scrolled State */
.glassy-nav.scrolled::before {
    content: '\f0c9'; /* FontAwesome Menu Icon */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--accent-pink);
    font-size: 1.8rem;
    opacity: 1;
    transition: opacity 0.3s;
}

/* Hide links in collapsed scrolled state */
.glassy-nav.scrolled .nav-links {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

/* Expanded State (Clicked) */
.glassy-nav.scrolled.expanded {
    width: auto;
    height: auto;
    border-radius: 999px;
    padding: 1rem 2.5rem;
    background: var(--bg-secondary);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 30px rgba(34, 211, 238, 0.3);
    /* Locate back to top right relative position if needed, or keep fixed */
}

.glassy-nav.scrolled.expanded::before {
    opacity: 0; /* Hide icon */
}

.glassy-nav.scrolled.expanded .nav-links {
    opacity: 1;
    pointer-events: auto;
}

/* Hover effect on the floating button (optional feedback) */
.glassy-nav.scrolled:not(.expanded):hover {
    transform: scale(1.1);
    box-shadow: 0 0 35px rgba(244, 114, 182, 0.6);
}

/* Adjust body padding - no more fixed header hacks */
body {
    padding-top: 0;
}

/* Adjust header logo's top margin as it's now part of the scrollable content */
/* Adjust header logo's top margin as it's now part of the scrollable content */
#header-logo {
    margin-top: 0;
    padding-top: 2rem;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-ui);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    padding-top: 0;
}

h1, h2, h3, h4, .logo-link { font-family: var(--font-terminal); }
a { color: inherit; text-decoration: none; transition: var(--transition); }

/* Erika Highlight Style */
.highlight {
    text-decoration: none;
    color: #ac89d5;
    text-shadow: 0 0 5px var(--bg-dark), 0 0 10px var(--bg-dark);
    font-weight: bold;
    animation: pulse-glow 2s infinite alternate;
}
@keyframes pulse-glow {
    0% { text-shadow: 0 0 5px var(--bg-secondary); }
    100% { text-shadow: 0 0 7px var(--bg-secondary), 0 0 14px var(--accent-purple); }
}

/* Return Link Animation */
.back-link {
    display: inline-flex; align-items: center; gap: 0.5rem;
    color: var(--text-secondary); text-decoration: none;
    font-family: var(--font-terminal); font-size: 0.9rem;
    transition: var(--transition);
}
.back-link:hover {
    color: var(--accent-pink); transform: translateX(-5px);
}
.back-link i { transition: transform 0.3s ease; }
.back-link:hover i { transform: translateX(-3px); }


.badges-grid img {
    width: 88px !important;
    height: 31px !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    border: none !important;
}

.main-container { flex: 1; width: 100%; max-width: 1000px; margin: 0 auto; padding: 3rem 1.5rem; }

.site-footer {
    background: #000;
    padding: 2rem;
    border-top: 1px solid var(--glass-border);
    margin-top: auto;
    position: relative;
}

.footer-content {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-terminal);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.neon-text { color: #fff; text-shadow: 0 0 5px var(--accent-pink); }
.social-links { display: flex; gap: 1.5rem; }
.social-links a { font-size: 1.2rem; color: var(--text-secondary); }
.social-links a:hover { color: var(--accent-cyan); transform: scale(1.1); }

/* ===== Animations & Utilities ===== */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.8s ease-out forwards; }

.profile-card {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: var(--shadow-sm);
    animation: fadeUp 0.8s ease-out;
}

.section-title {
    font-size: 1.5rem;
    color: var(--accent-purple);
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--accent-pink);
    padding-left: 1rem;
}

/* ===== Tags & Personal ===== */
.tags-split-container { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.column-title {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--glass-border);
}

.tags-cloud { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.tag-chip {
    display: inline-flex; align-items: center;
    background: var(--bg-secondary); border: 1px solid var(--glass-border);
    border-radius: 999px; padding: 0.5rem 1rem;
    font-family: var(--font-terminal); font-size: 0.9rem;
    transition: var(--transition);
}
.tag-chip:hover { transform: translateY(-3px); }
.blog-tag:hover { border-color: var(--accent-pink); color: var(--accent-pink); }
.writeup-tag:hover { border-color: #50fa7b; color: #50fa7b; }
.tag-count {
    background: rgba(255, 255, 255, 0.1); border-radius: 50%;
    width: 20px; height: 20px; display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; margin-left: 0.8rem;
}

.personal-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.personal-card {
    background: var(--bg-secondary); border: 1px solid var(--glass-border);
    border-radius: 12px; padding: 2rem; transition: var(--transition);
}
.personal-card:hover { transform: translateY(-5px); border-color: var(--accent-purple); box-shadow: 0 5px 15px rgba(192, 132, 252, 0.1); }
.personal-card h2 { color: var(--accent-pink); margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.8rem; }

.styled-list { list-style: none; }
.styled-list li { margin-bottom: 0.5rem; padding-left: 1.5rem; position: relative; color: var(--text-secondary); }
.styled-list li::before { content: "►"; position: absolute; left: 0; color: var(--accent-cyan); font-size: 0.8rem; top: 4px; }
.accent-link { color: var(--accent-pink); font-weight: bold; }
.accent-link:hover { color: var(--accent-cyan); text-shadow: 0 0 8px var(--accent-cyan); }
.subsection-header { font-size: 1rem; color: var(--text-secondary); margin: 1rem 0 0.5rem 0; text-transform: uppercase; letter-spacing: 1px; }

/* Posts List */
.posts-list { display: flex; flex-direction: column; gap: 2rem; }
.post-preview { transition: transform 0.3s ease, box-shadow 0.3s ease; }
.post-preview:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.3); border-color: var(--accent-pink); }
.post-title-link { font-size: 1.5rem; color: var(--accent-cyan); }
.post-title-link:hover { color: var(--accent-pink); }
.post-meta { font-family: var(--font-terminal); font-size: 0.85rem; color: var(--text-secondary); margin: 0.5rem 0 1rem 0; display: flex; align-items: center; gap: 1rem; }
.read-more { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 1rem; font-weight: 600; color: var(--accent-purple); }
.read-more:hover { gap: 0.8rem; color: var(--accent-pink); }

/* ===== Social Grid & Bio ===== */
.bio-header {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 2px solid var(--accent-pink);
    box-shadow: 0 0 15px rgba(244, 114, 182, 0.3);
}

.bio-intro { flex: 1; }
.bio-subtext { font-size: 0.95rem; color: var(--text-secondary); margin-top: 1rem; }

.skills-category { margin-bottom: 1.5rem; }
.category-label {
    display: block;
    font-family: var(--font-terminal);
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1rem;
    background: rgba(45, 45, 45, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-terminal);
    font-weight: 600;
    transition: var(--transition);
}

.social-btn:hover {
    transform: translateY(-3px);
}

.discord:hover { border-color: #5865F2; color: #5865F2; box-shadow: 0 0 10px rgba(88, 101, 242, 0.2); }
.matrix:hover { border-color: #000000; color: #000000; box-shadow: 0 0 10px rgba(0, 0, 0, 0.2); background: #fff; }
.codeberg:hover { border-color: #2185d0; color: #2185d0; box-shadow: 0 0 10px rgba(33, 133, 208, 0.2); }
.kofi:hover { border-color: #FF5E5B; color: #FF5E5B; box-shadow: 0 0 10px rgba(255, 94, 91, 0.2); background: rgba(255, 94, 91, 0.1); }

/* Ergonomic HTB Dashboard */
.htb-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.htb-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    text-decoration: none;
    transition: var(--transition);
}

.htb-card:hover {
    background: rgba(40, 50, 70, 0.8);
    border-color: #9fef00; /* HTB Green */
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(159, 239, 0, 0.15);
}

.htb-icon img {
    width: 64px;
    height: 64px;
    border-radius: 10px;
    border: 2px solid var(--glass-border);
    object-fit: cover;
}

.htb-info {
    display: flex;
    flex-direction: column;
}

.htb-rank {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
    font-weight: 600;
}

.htb-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin: 0.2rem 0;
}

.htb-quote {
    font-size: 0.85rem;
    color: #9fef00; /* HTB Green highlight */
    font-style: italic;
}

/* Skills Visuals Container */
.skills-visual img {
    max-width: 100%;
    height: auto;
    transition: transform 0.3s;
}
.skills-visual img:hover { transform: scale(1.02); }

@media (max-width: 768px) {
    .bio-header { flex-direction: column; align-items: center; text-align: center; }
    .social-grid { grid-template-columns: 1fr 1fr; }
    .htb-card { flex-direction: column; text-align: center; } /* Stack on mobile */
}

@media (max-width: 768px) {
    .header-content { padding: 20px 0; }
    .nav-links { flex-wrap: wrap; justify-content: center; gap: 1rem; }
    .glassy-nav { border-radius: 20px; width: 90%; }
    .footer-content { flex-direction: column; gap: 1rem; text-align: center; }
    .tags-split-container, .personal-grid { grid-template-columns: 1fr; }
}