:root {
    --bg-color: #f4f4f9;
    --text-color: #111;
    --card-bg: rgba(255, 255, 255, 0.7);
    --border-color: rgba(0, 0, 0, 0.1);
    --neon-blue: #0070f3;
    --accent: #8300ab;
    --font-main: 'Inter', sans-serif;
    --font-code: 'Fira Code', monospace;
    --badge-high: rgba(39, 201, 63, 0.2);
    --badge-high-text: #1a8f2b;
    --badge-med: rgba(255, 189, 46, 0.2);
    --badge-med-text: #b58000;
    --badge-low: rgba(255, 95, 86, 0.2);
    --badge-low-text: #b8251e;
}

body.dark-theme {
    --bg-color: #08080b;
    --text-color: #e0e0e0;
    --card-bg: rgba(20, 20, 25, 0.6);
    --border-color: rgba(255, 255, 255, 0.05);
    --neon-blue: #00f0ff;
    --neon-purple: #bd00ff;
    --badge-high: rgba(39, 201, 63, 0.2);
    --badge-high-text: #27c93f;
    --badge-med: rgba(255, 189, 46, 0.2);
    --badge-med-text: #ffbd2e;
    --badge-low: rgba(255, 95, 86, 0.2);
    --badge-low-text: #ff5f56;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

.tech-background {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -1;
    background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
    background-size: 30px 30px;
}

.mt-2 { margin-top: 1rem; }
.w-100 { width: 100%; }
.neon-text {
    background: linear-gradient(90deg, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}
.section { padding: 80px 20px; max-width: 1200px; margin: 0 auto; }
.section-title { font-size: 2.5rem; margin-bottom: 2rem; text-align: center; }

.glass-nav{position:fixed;top:15px;left:50%;transform:translateX(-50%);width:92%;max-width:1100px;display:flex;justify-content:space-between;align-items:center;padding:12px 25px;background:var(--card-bg);border:1px solid var(--border-color);border-radius:14px;box-shadow:0 10px 40px rgba(0,0,0,.15);z-index:1000;backdrop-filter:blur(20px);}
.logo{font-size:1.3rem;font-weight:800;}
.nav-links{display:none;list-style:none;gap:25px;}
.nav-links a{text-decoration:none;color:var(--text-color);font-weight:500;font-size:.95rem;padding:6px 12px;border-radius:6px;transition:.25s;}
.nav-links a:hover{background:rgba(0,0,0,.06);}
body.dark-theme .nav-links a:hover{background:rgba(255,255,255,.06);}
.nav-controls{display:flex;gap:10px;}
.btn-icon{background:var(--card-bg);border:1px solid var(--border-color);padding:6px 10px;border-radius:6px;color:var(--text-color);cursor:pointer;transition:.25s;}
.btn-icon:hover{background:rgba(0,0,0,.06);}
body.dark-theme .btn-icon:hover{background:rgba(255,255,255,.06);}
.hamburger{background:none;border:none;font-size:1.4rem;color:var(--text-color);cursor:pointer;}

.glass-card {
    background: var(--card-bg); backdrop-filter: blur(10px);
    border: 1px solid var(--border-color); border-radius: 16px; padding: 30px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

/* animations */
.reveal {
    opacity: 0; transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}
.reveal.active { opacity: 1; transform: translateY(0); }

.nav-links { display: none; list-style: none; gap: 20px; }
.nav-links a { color: var(--text-color); text-decoration: none; font-weight: 500; }
.nav-controls { display: flex; gap: 10px; }
.btn-icon, .hamburger { background: none; border: 1px solid var(--border-color); color: var(--text-color); padding: 5px 10px; border-radius: 8px; cursor: pointer; }
.hamburger { display: block; border: none; font-size: 1.5rem; }

.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.terminal-container {
    background: #0d0d0d; border-radius: 8px; border: 1px solid #333;
    max-width: 600px; margin: 2rem auto; text-align: left;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.terminal-header { background: #222; padding: 10px; display: flex; align-items: center; gap: 8px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.red { background: #ff5f56; } .yellow { background: #ffbd2e; } .green { background: #27c93f; }
.terminal-header .title { margin: auto; color: #888; font-size: 0.8rem; }
.terminal-body { padding: 20px; font-family: var(--font-code); color: #00ff00; font-size: 0.9rem; min-height: 100px; }

.btn { padding: 10px 24px; border-radius: 8px; text-decoration: none; font-weight: 600; display: inline-block; border: none; cursor: pointer; transition: 0.3s; }
.btn.primary { background: var(--neon-blue); color: #000; }
.btn.primary:hover { box-shadow: 0 0 15px rgba(0, 240, 255, 0.4); }
.btn.secondary { background: transparent; border: 1px solid var(--neon-blue); color: var(--neon-blue); }

.about-grid { display: flex; justify-content: center; align-items: center; width: 100%; }
.about-grid .glass-card { width: 100%; max-width: 650px; margin: 0 auto; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; justify-content: center; }

.skill-row { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--border-color); }
.skill-row:last-child { border-bottom: none; }
.skill-name { font-weight: 500; font-family: var(--font-code); font-size: 0.9rem; }
.skill-level { padding: 4px 12px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.skill-level.high { background: var(--badge-high); color: var(--badge-high-text); }
.skill-level.medium { background: var(--badge-med); color: var(--badge-med-text); }
.skill-level.low { background: var(--badge-low); color: var(--badge-low-text); }

.filter-container { display: flex; justify-content: center; gap: 10px; margin-bottom: 2rem; flex-wrap: wrap; }
.filter-btn { background: transparent; border: 1px solid var(--border-color); color: var(--text-color); padding: 8px 16px; border-radius: 20px; cursor: pointer; }
.filter-btn.active { background: var(--neon-purple); border-color: var(--neon-purple); color: #fff; }
.tags span { background: rgba(255,255,255,0.1); padding: 2px 8px; border-radius: 4px; font-size: 0.8rem; margin-right: 5px; }

.contact-wrapper { display: grid; grid-template-columns: 1fr; gap: 30px; }
.info-list { list-style: none; margin-top: 20px; }
.info-list li { margin-bottom: 15px; font-family: var(--font-code); font-size: 0.9rem; }
.info-list strong { color: var(--neon-cyan); margin-right: 10px; }
.info-list a { color: var(--neon-cyan);}

.form-group { margin-bottom: 20px; text-align: left; }
.form-group label { display: block; margin-bottom: 8px; font-size: 0.9rem; font-weight: 600; color: #888; }
.glass-form input, .glass-form textarea {
    width: 100%; padding: 12px 15px; background: rgba(0,0,0,0.1);
    border: 1px solid var(--border-color); border-radius: 8px; color: var(--text-color);
    font-family: var(--font-main); transition: border-color 0.3s;
}
.glass-form input:focus, .glass-form textarea:focus { outline: none; border-color: var(--neon-blue); }

.modern-footer { background: var(--card-bg); border-top: 1px solid var(--border-color); padding: 60px 20px 20px; margin-top: 80px; }
.footer-content { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { color: #888; margin-top: 10px; font-size: 0.9rem; }
.footer-links a, .footer-social a { display: block; color: var(--text-color); text-decoration: none; margin-bottom: 10px; opacity: 0.8; transition: 0.3s; }
.footer-links a:hover, .footer-social a:hover { opacity: 1; color: var(--neon-cyan); }
.footer-bottom { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border-color); padding-top: 20px; font-size: 0.85rem; color: #666; }

.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); z-index: 2000; align-items: center; justify-content: center; backdrop-filter: blur(5px); }
.modal-content { width: 90%; max-width: 500px; position: relative; }
.close-modal { position: absolute; top: 15px; right: 20px; font-size: 1.5rem; cursor: pointer; }

@media (min-width: 768px) {
    .nav-links { display: flex; } .hamburger { display: none; }
    .about-grid { grid-template-columns: 1fr 1fr; }
    .projects-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
    .contact-wrapper { grid-template-columns: 1fr 1.5fr; }
    .footer-content { grid-template-columns: 2fr 1fr 1fr; }
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #050505; 
    border-left: 1px solid var(--border-color); 
}

::-webkit-scrollbar-thumb {
    background: var(--accent); 
    border-radius: 20px;
    border: 2px solid #050505;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent); 
    box-shadow: 0 0 15px var(--accent);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--accent) #050505;
}