:root {
    --neon: #00FF9F;
    --neon-dim: #00e88a;
    --neon-glow: rgba(0,255,159,0.3);
    --neon-glow-strong: rgba(0,255,159,0.55);
    --neon-subtle: rgba(0,255,159,0.08);
    --bg-primary: #07070a;
    --bg-secondary: #0e0e12;
    --bg-elevated: #141418;
    --bg-glass: rgba(255,255,255,0.03);
    --text-primary: #ececf0;
    --text-secondary: #b0b3c0;
    --text-muted: #787890;
    --border-color: rgba(0,255,159,0.13);
    --border-hover: rgba(0,255,159,0.4);
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --font-mono: 'Space Mono', monospace;
    --ease: cubic-bezier(0.22,1,0.36,1);
    --transition: 0.4s var(--ease);
    --transition-slow: 0.7s var(--ease);
}

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

html { scroll-behavior:smooth; scrollbar-width:thin; scrollbar-color:var(--neon-dim) var(--bg-primary); }
html::-webkit-scrollbar { width:6px; }
html::-webkit-scrollbar-track { background:var(--bg-primary); }
html::-webkit-scrollbar-thumb { background:var(--neon-dim); border-radius:3px; }

body {
    font-family:var(--font-body);
    background:var(--bg-primary);
    color:var(--text-primary);
    font-size:17px;
    line-height:1.7;
    overflow-x:hidden;
}

/* Performance mode: disable heavy effects on mobile/low-end */
body.perf-mode .cursor-dot,
body.perf-mode .cursor-ring,
body.perf-mode #particle-canvas { display:none !important; }
body.perf-mode .hero-grid-overlay { opacity:0; }

a { text-decoration:none; color:inherit; }
button,input,textarea { font-family:inherit; }
::selection { background:var(--neon); color:var(--bg-primary); }

.container { max-width:1200px; margin:0 auto; padding:0 2rem; }
.section { padding:6rem 0; position:relative; }
.highlight { color:var(--neon); text-shadow:0 0 8px rgba(0,255,159,0.3); }

/* PRELOADER */
#preloader {
    position:fixed; inset:0; background:var(--bg-primary);
    z-index:10000; display:flex; align-items:center; justify-content:center;
    transition:opacity 0.5s, visibility 0.5s;
}
#preloader.hidden { opacity:0; visibility:hidden; }
.preloader-inner { text-align:center; }
.preloader-logo { font-family:var(--font-heading); font-size:2.5rem; margin-bottom:1.5rem; letter-spacing:2px; }
.preloader-bracket { color:var(--neon); }
.preloader-text { color:var(--text-primary); }
.preloader-bar { width:160px; height:2px; background:rgba(255,255,255,0.06); border-radius:2px; margin:0 auto 0.75rem; overflow:hidden; }
.preloader-bar-fill { height:100%; background:var(--neon); width:0%; animation:preloaderFill 1.8s ease-in-out forwards; }
@keyframes preloaderFill { 0%{width:0%} 60%{width:75%} 100%{width:100%} }
.preloader-status { font-family:var(--font-mono); font-size:0.65rem; color:var(--text-muted); letter-spacing:3px; }

/* CURSOR */
.cursor-dot {
    position:fixed; width:5px; height:5px; background:var(--neon);
    border-radius:50%; pointer-events:none; z-index:9999;
    transition:transform 0.1s;
}
.cursor-ring {
    position:fixed; width:32px; height:32px; border:1px solid rgba(0,255,159,0.3);
    border-radius:50%; pointer-events:none; z-index:9998;
    transition:width 0.35s var(--ease), height 0.35s var(--ease), border-color 0.35s; opacity:0.4;
}
.cursor-ring.hover { width:48px; height:48px; border-color:var(--neon); opacity:0.8; }

#particle-canvas { position:fixed; inset:0; z-index:0; pointer-events:none; }

/* NAVBAR */
#navbar { position:fixed; top:0; left:0; right:0; z-index:1000; padding:1.25rem 0; transition:var(--transition); background:transparent; }
#navbar.scrolled { background:rgba(7,7,10,0.92); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px); border-bottom:1px solid var(--border-color); padding:0.75rem 0; }
.nav-container { max-width:1140px; margin:0 auto; padding:0 2rem; display:flex; align-items:center; justify-content:space-between; }
.nav-logo { font-family:var(--font-heading); font-size:1.3rem; font-weight:700; color:var(--text-primary); transition:var(--transition); }
.nav-logo:hover { color:var(--neon); }
.logo-bracket { color:var(--neon); }
.logo-slash { color:var(--neon); margin:0 1px; }
.nav-links { display:flex; list-style:none; gap:0.5rem; }
.nav-link { font-family:var(--font-mono); font-size:0.82rem; padding:0.6rem 1rem; color:var(--text-secondary); transition:var(--transition); position:relative; letter-spacing:1px; border-radius:4px; }
.nav-link::after { content:''; position:absolute; bottom:2px; left:50%; width:0; height:1px; background:var(--neon); transition:width 0.4s var(--ease); transform:translateX(-50%); }
.nav-link:hover,.nav-link.active { color:var(--neon); }
.nav-link:hover::after,.nav-link.active::after { width:60%; }
.nav-toggle { display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px; cursor:pointer; }
.nav-toggle span { display:block; width:22px; height:1.5px; background:var(--neon); transition:var(--transition); border-radius:2px; }
.nav-toggle.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.nav-toggle.active span:nth-child(2) { opacity:0; }
.nav-toggle.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

/* HERO */
#hero { min-height:100vh; display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden; }
.hero-content { text-align:center; z-index:1; padding:2rem; max-width:720px; }
.hero-greeting { font-family:var(--font-mono); font-size:0.95rem; color:var(--neon); display:flex; align-items:center; justify-content:center; gap:0.75rem; margin-bottom:1.5rem; letter-spacing:3px; text-transform:uppercase; }
.greeting-line { display:inline-block; width:30px; height:1px; background:var(--neon-dim); }
.hero-name { font-family:var(--font-heading); font-size:clamp(2.5rem,7vw,4.8rem); font-weight:800; color:var(--text-primary); margin-bottom:1.25rem; letter-spacing:2px; }
.hero-tagline { font-size:clamp(1.1rem,2.5vw,1.4rem); margin-bottom:1rem; display:flex; align-items:center; justify-content:center; gap:0.4rem; flex-wrap:wrap; color:var(--text-secondary); }
.tagline-highlight { color:var(--neon); font-weight:600; text-shadow:0 0 10px rgba(0,255,159,0.25); }
.hero-typing { font-family:var(--font-mono); font-size:clamp(1rem,2vw,1.25rem); margin-bottom:2.5rem; height:2rem; color:var(--text-secondary); }
.typing-prefix { color:var(--text-secondary); }
.typing-text { color:var(--neon); text-shadow:0 0 8px rgba(0,255,159,0.3); }
.typing-cursor { color:var(--neon); animation:cursorBlink 0.8s infinite; font-weight:100; }
@keyframes cursorBlink { 0%,100%{opacity:1} 50%{opacity:0} }
.hero-cta { display:flex; gap:1.5rem; justify-content:center; flex-wrap:wrap; margin-bottom:4rem; }

/* BUTTONS */
.btn { display:inline-flex; align-items:center; gap:0.75rem; padding:0.95rem 2.2rem; font-family:var(--font-mono); font-size:0.9rem; letter-spacing:1px; border-radius:4px; transition:var(--transition); position:relative; overflow:hidden; }
.btn-primary { background:transparent; color:var(--neon); border:1px solid rgba(0,255,159,0.4); }
.btn-primary:hover { background:var(--neon); color:var(--bg-primary); box-shadow:0 0 20px var(--neon-glow),0 0 40px rgba(0,255,159,0.15); transform:translateY(-2px); }
.btn-primary i { transition:transform var(--transition); }
.btn-primary:hover i { transform:translateX(4px); }
.btn-outline { background:transparent; color:var(--text-secondary); border:1.5px solid var(--border-color); }
.btn-outline:hover { border-color:var(--neon); color:var(--neon); transform:translateY(-2px); }

/* SCROLL INDICATOR */
.hero-scroll-indicator { display:flex; flex-direction:column; align-items:center; gap:0.5rem; animation:floatUp 2s ease-in-out infinite; }
.hero-scroll-indicator span { font-family:var(--font-mono); font-size:0.6rem; color:var(--text-muted); letter-spacing:2px; }
.scroll-mouse { width:20px; height:32px; border:1.5px solid var(--text-muted); border-radius:10px; position:relative; }
.scroll-wheel { width:2px; height:6px; background:var(--neon-dim); border-radius:2px; position:absolute; top:6px; left:50%; transform:translateX(-50%); animation:scrollWheel 2.5s ease-in-out infinite; }
@keyframes scrollWheel { 0%{opacity:1;transform:translateX(-50%) translateY(0)} 100%{opacity:0;transform:translateX(-50%) translateY(10px)} }
@keyframes floatUp { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-6px)} }

.hero-grid-overlay {
    position:absolute; inset:0;
    background-image:linear-gradient(rgba(0,255,159,0.02) 1px,transparent 1px),linear-gradient(90deg,rgba(0,255,159,0.02) 1px,transparent 1px);
    background-size:50px 50px; z-index:0;
    mask-image:radial-gradient(ellipse at center,black 20%,transparent 65%);
    -webkit-mask-image:radial-gradient(ellipse at center,black 20%,transparent 65%);
}

/* SEPARATORS */
.section-separator { display:flex; align-items:center; justify-content:center; gap:1rem; padding:1rem 0; }
.sep-line { width:80px; height:1px; background:linear-gradient(90deg,transparent,var(--border-color),transparent); }
.sep-diamond { width:34px; height:34px; display:flex; align-items:center; justify-content:center; border:1px solid var(--border-color); transform:rotate(45deg); color:var(--neon-dim); font-size:0.7rem; transition:var(--transition); }
.sep-diamond i { transform:rotate(-45deg); }
.section-separator:hover .sep-diamond { border-color:var(--neon); color:var(--neon); background:var(--neon-subtle); }

/* SECTION TITLE */
.section-title { font-family:var(--font-heading); font-size:clamp(1.5rem,3vw,2rem); font-weight:700; margin-bottom:3.5rem; display:flex; align-items:center; gap:1rem; white-space:nowrap; }
.title-prefix { color:var(--neon); font-size:0.9em; font-family:var(--font-mono); }
.title-line { flex:1; height:1px; background:linear-gradient(90deg,var(--border-color),transparent); }

/* REVEAL ANIMATIONS */
.reveal-up,.reveal-left,.reveal-right { opacity:0; transition:opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal-up { transform:translateY(30px); }
.reveal-left { transform:translateX(-25px); }
.reveal-right { transform:translateX(25px); }
.reveal-up.revealed,.reveal-left.revealed,.reveal-right.revealed { opacity:1; transform:translate(0); }

/* ABOUT */
.about-grid { display:grid; grid-template-columns:1fr 1.6fr; gap:4rem; align-items:center; }
.image-frame { position:relative; width:260px; height:320px; margin:0 auto; }
.image-placeholder { width:100%; height:100%; background:linear-gradient(145deg,var(--bg-elevated),var(--bg-secondary)); border:1px solid var(--border-color); display:flex; align-items:center; justify-content:center; font-size:4.5rem; color:var(--neon); position:relative; z-index:2; border-radius:6px; }
.profile-photo { width:100%; height:100%; object-fit:cover; position:relative; z-index:2; border-radius:6px; display:block; }
.image-border { position:absolute; top:16px; left:16px; width:100%; height:100%; border:1px solid var(--border-color); z-index:1; transition:var(--transition); border-radius:6px; }
.image-frame:hover .image-border { top:10px; left:10px; border-color:var(--neon); }
.about-intro { font-size:1.25rem; margin-bottom:1.25rem; line-height:1.8; }
.about-text p { color:var(--text-secondary); margin-bottom:1rem; font-size:1.05rem; line-height:1.8; }
.about-details { display:flex; flex-direction:column; gap:0.6rem; margin:1.5rem 0; padding:1.25rem; background:var(--bg-glass); border:1px solid var(--border-color); border-radius:6px; }
.detail-item { display:flex; gap:1rem; align-items:center; }
.detail-label { font-family:var(--font-mono); font-size:0.78rem; color:var(--neon); letter-spacing:1px; text-transform:uppercase; min-width:80px; }
.detail-value { font-size:1rem; color:var(--text-secondary); }
.about-stats { display:flex; gap:2.5rem; margin-top:2rem; padding-top:2rem; border-top:1px solid var(--border-color); }
.stat-item { text-align:center; }
.stat-number { font-family:var(--font-heading); font-size:2rem; color:var(--neon); display:inline; text-shadow:0 0 10px rgba(0,255,159,0.25); }
.stat-suffix { font-family:var(--font-heading); font-size:2rem; color:var(--neon); }
.stat-label { font-family:var(--font-mono); font-size:0.72rem; color:var(--text-secondary); letter-spacing:1px; text-transform:uppercase; display:block; margin-top:0.25rem; }

/* SKILLS — Category cards with tool tags */
.skills-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:1.25rem; }
.skill-category { background:var(--bg-glass); border:1px solid var(--border-color); border-radius:8px; padding:1.75rem; transition:var(--transition); }
.skill-category:hover { border-color:var(--border-hover); background:var(--bg-elevated); }
.skill-category-header { display:flex; align-items:center; gap:0.75rem; margin-bottom:1.25rem; }
.skill-category-header i { font-size:1.2rem; color:var(--neon); }
.skill-category-header h3 { font-family:var(--font-heading); font-size:1.05rem; letter-spacing:1px; color:var(--text-primary); }
.skill-tags { display:flex; flex-wrap:wrap; gap:0.5rem; }
.skill-tag { font-family:var(--font-mono); font-size:0.78rem; padding:0.4rem 0.9rem; border:1px solid var(--border-color); border-radius:4px; color:var(--text-secondary); letter-spacing:0.5px; transition:var(--transition); }
.skill-tag:hover { border-color:var(--neon); color:var(--neon); background:var(--neon-subtle); }

/* PROJECTS — Expandable cards with screenshots */
.projects-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:1.5rem; }
.project-card { background:var(--bg-elevated); border:1px solid var(--border-color); border-radius:8px; overflow:hidden; transition:var(--transition); }
.project-card:hover { border-color:var(--border-hover); transform:translateY(-3px); box-shadow:0 8px 30px rgba(0,0,0,0.3); }
.project-screenshot { width:100%; height:180px; background:var(--bg-secondary); overflow:hidden; }
.project-image { width:100%; height:100%; object-fit:contain; object-position:center; display:block; }
.screenshot-placeholder { width:100%; height:100%; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:0.5rem; color:var(--text-muted); font-family:var(--font-mono); font-size:0.7rem; }
.screenshot-placeholder i { font-size:2.5rem; color:var(--neon); opacity:0.4; }
.project-body { padding:1.5rem; }
.project-tech { display:flex; flex-wrap:wrap; gap:0.4rem; margin-bottom:0.75rem; }
.project-tech span { font-family:var(--font-mono); font-size:0.72rem; padding:0.25rem 0.65rem; border:1px solid var(--border-color); border-radius:3px; color:var(--neon); letter-spacing:0.5px; }
.project-body h3 { font-family:var(--font-heading); font-size:1.1rem; margin-bottom:0.5rem; letter-spacing:0.5px; }
.project-body > p { color:var(--text-secondary); font-size:0.95rem; line-height:1.65; margin-bottom:0; }
.project-expand { max-height:0; overflow:hidden; transition:max-height 0.5s var(--ease), opacity 0.4s; opacity:0; }
.project-card.expanded .project-expand { max-height:200px; opacity:1; }
.project-expand ul { list-style:none; margin:1rem 0 0; padding:0; }
.project-expand ul li { font-size:0.92rem; color:var(--text-secondary); padding:0.25rem 0 0.25rem 1.2rem; position:relative; }
.project-expand ul li::before { content:'▹'; position:absolute; left:0; color:var(--neon); }
.project-footer { display:flex; align-items:center; justify-content:space-between; margin-top:1rem; padding-top:0.75rem; border-top:1px solid var(--border-color); }
.project-toggle { background:none; border:none; color:var(--text-secondary); font-family:var(--font-mono); font-size:0.78rem; display:flex; align-items:center; gap:0.5rem; cursor:pointer; padding:0.4rem 0; transition:var(--transition); }
.project-toggle:hover { color:var(--neon); }
.project-toggle i { transition:transform 0.3s var(--ease); font-size:0.6rem; }
.project-card.expanded .project-toggle i { transform:rotate(180deg); }
.project-card.expanded .toggle-text { display:none; }
.project-links { display:flex; gap:0.75rem; }
.project-link { color:var(--text-secondary); font-size:1.1rem; transition:var(--transition); display:flex; align-items:center; }
.project-link:hover { color:var(--neon); }

/* TEACHING */
.teaching-content { display:grid; grid-template-columns:1fr 1fr; gap:4rem; align-items:start; }
.teaching-intro { font-size:1.3rem; margin-bottom:1rem; }
.teaching-text p { color:var(--text-secondary); margin-bottom:1.5rem; font-size:1.1rem; }
.teaching-highlights { display:flex; flex-direction:column; gap:1.5rem; }
.highlight-item { display:flex; gap:1rem; align-items:flex-start; padding:1rem; border-radius:8px; border:1px solid transparent; transition:var(--transition); }
.highlight-item:hover { border-color:var(--border-color); background:var(--bg-glass); }
.highlight-icon { width:44px; height:44px; display:flex; align-items:center; justify-content:center; border:1px solid var(--border-color); border-radius:8px; color:var(--neon); font-size:1.1rem; flex-shrink:0; transition:var(--transition); }
.highlight-item:hover .highlight-icon { border-color:var(--neon); color:var(--neon); background:var(--neon-subtle); }
.highlight-item h4 { font-family:var(--font-heading); font-size:1.05rem; margin-bottom:0.25rem; letter-spacing:1px; }
.highlight-item p { color:var(--text-secondary); font-size:0.92rem; margin:0; }

.visual-card { position:sticky; top:100px; }
.visual-terminal { background:var(--bg-secondary); border:1px solid var(--border-color); border-radius:8px; overflow:hidden; box-shadow:0 12px 40px rgba(0,0,0,0.4); }
.terminal-header { display:flex; align-items:center; gap:0.5rem; padding:0.75rem 1rem; background:rgba(255,255,255,0.03); border-bottom:1px solid var(--border-color); }
.terminal-dot { width:10px; height:10px; border-radius:50%; }
.terminal-dot.red { background:#ff5f56; }
.terminal-dot.yellow { background:#ffbd2e; }
.terminal-dot.green { background:#27c93f; }
.terminal-title { font-family:var(--font-mono); font-size:0.7rem; color:var(--text-muted); margin-left:auto; margin-right:auto; }
.terminal-body { padding:1.5rem; font-family:var(--font-mono); font-size:0.92rem; }
.terminal-line { margin-bottom:0.5rem; display:flex; align-items:center; gap:0.5rem; }
.prompt { color:var(--neon); user-select:none; }
.cmd { color:var(--text-primary); }
.output { padding-left:1.5rem; color:var(--text-secondary); }
.success { color:var(--neon); }
.cursor-blink { animation:cursorBlink 0.8s infinite; color:var(--neon); }

/* CONTACT */
.contact-subtitle { color:var(--text-secondary); text-align:center; margin-top:-2rem; margin-bottom:3rem; font-size:1.2rem; }
.contact-grid { display:grid; grid-template-columns:1.5fr 1fr; gap:4rem; align-items:start; }
.contact-form { display:flex; flex-direction:column; gap:2rem; }
.form-row-contact { display:grid; grid-template-columns:1fr 1fr; gap:2rem; }
.form-group { position:relative; }
.form-group input,.form-group textarea { width:100%; background:transparent; border:none; border-bottom:1px solid var(--border-color); padding:1rem 0; font-family:var(--font-body); font-size:1rem; color:var(--text-primary); outline:none; transition:var(--transition); }
.form-group textarea { resize:vertical; min-height:100px; }
.form-group select { width:100%; background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2388ccaa' stroke-width='1.5' fill='none'/%3E%3C/svg%3E") no-repeat right 0 center; border:none; border-bottom:1px solid var(--border-color); padding:1rem 1.5rem 1rem 0; font-family:var(--font-body); font-size:1rem; color:var(--text-primary); outline:none; transition:var(--transition); cursor:pointer; appearance:none; -webkit-appearance:none; }
.form-group select option { background:var(--bg-elevated); color:var(--text-primary); padding:0.5rem; }
.form-group select:focus~.form-line { width:100%; }
.form-group select:focus~label,.form-group select.has-value~label { top:-0.75rem; font-size:0.75rem; color:var(--neon); font-family:var(--font-mono); }
.form-group label { position:absolute; left:0; top:1rem; font-family:var(--font-body); font-size:1rem; color:var(--text-muted); transition:var(--transition); pointer-events:none; }
.form-group input:focus~label,.form-group input:valid~label,.form-group textarea:focus~label,.form-group textarea:valid~label { top:-0.75rem; font-size:0.75rem; color:var(--neon); font-family:var(--font-mono); }
.form-line { position:absolute; bottom:0; left:0; width:0; height:1px; background:var(--neon); transition:var(--transition-slow); }
.form-group input:focus~.form-line,.form-group textarea:focus~.form-line { width:100%; }
.btn-submit { align-self:flex-start; }
.contact-info { display:flex; flex-direction:column; gap:1.5rem; }
.info-card { display:flex; gap:1rem; align-items:center; padding:1.25rem; border:1px solid var(--border-color); border-radius:8px; background:var(--bg-glass); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px); transition:var(--transition); }
.info-card:hover { border-color:var(--border-hover); }
.info-icon { width:44px; height:44px; display:flex; align-items:center; justify-content:center; border:1px solid var(--border-color); border-radius:50%; color:var(--neon); font-size:1rem; flex-shrink:0; transition:var(--transition); }
.info-card h4 { font-family:var(--font-heading); font-size:0.95rem; letter-spacing:1px; margin-bottom:0.25rem; }
.info-card p { color:var(--text-secondary); font-size:0.95rem; }
.social-links { display:flex; gap:1rem; margin-top:1rem; }
.social-link { width:45px; height:45px; display:flex; align-items:center; justify-content:center; border:1px solid var(--border-color); border-radius:50%; color:var(--text-secondary); font-size:1.1rem; transition:var(--transition); }
.social-link:hover { border-color:var(--neon); color:var(--neon); transform:translateY(-2px); }

/* TOAST NOTIFICATION */
.toast { position:fixed; bottom:2rem; right:2rem; background:var(--bg-elevated); border:1px solid var(--neon); border-radius:8px; padding:1rem 1.5rem; display:flex; align-items:center; gap:0.75rem; z-index:9999; transform:translateY(100px); opacity:0; transition:all 0.5s var(--ease); pointer-events:none; box-shadow:0 8px 24px rgba(0,0,0,0.4); }
.toast.show { transform:translateY(0); opacity:1; pointer-events:auto; }
.toast i { color:var(--neon); font-size:1.1rem; }
.toast-message { font-family:var(--font-mono); font-size:0.88rem; color:var(--text-primary); }

/* FOOTER */
#footer { padding:3rem 0; border-top:1px solid var(--border-color); text-align:center; }
.footer-content { display:flex; flex-direction:column; align-items:center; gap:0.75rem; }
.footer-logo { font-family:var(--font-heading); font-size:1.4rem; font-weight:700; }
.footer-text { color:var(--text-secondary); font-size:1rem; }
.footer-copy { font-family:var(--font-mono); font-size:0.8rem; color:var(--text-muted); letter-spacing:1px; }

/* RESPONSIVE */
@media (max-width:1024px) {
    .about-grid { grid-template-columns:1fr; gap:3rem; }
    .about-image { order:-1; }
    .teaching-content { grid-template-columns:1fr; gap:3rem; }
    .contact-grid { grid-template-columns:1fr; gap:3rem; }
}
@media (max-width:768px) {
    .section { padding:5rem 0; }
    .nav-links { position:fixed; top:0; right:-100%; width:75%; max-width:300px; height:100vh; background:rgba(7,7,10,0.97); backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px); flex-direction:column; justify-content:center; align-items:center; gap:1.5rem; transition:right 0.4s var(--ease); border-left:1px solid var(--border-color); z-index:1000; }
    .nav-links.active { right:0; }
    .nav-link { font-size:0.85rem; padding:0.75rem 1.25rem; }
    .nav-toggle { display:flex; z-index:1001; }
    .about-stats { flex-wrap:wrap; justify-content:center; }
    .skills-grid { grid-template-columns:1fr 1fr; }
    .projects-grid { grid-template-columns:1fr; }
    .form-row-contact { grid-template-columns:1fr; }
    .hero-cta { flex-direction:column; align-items:center; }
    .hero-cta .btn { width:100%; justify-content:center; }
    .cursor-dot,.cursor-ring { display:none; }
    .toast { right:1rem; left:1rem; bottom:1rem; }
}
@media (max-width:480px) {
    .container { padding:0 1.25rem; }
    .section { padding:4rem 0; }
    .hero-name { letter-spacing:1px; }
    .about-stats { gap:1.5rem; }
    .stat-number,.stat-suffix { font-size:1.6rem; }
    .skills-grid { grid-template-columns:1fr; }
    .project-screenshot { height:140px; }
    .detail-item { flex-direction:column; gap:0.2rem; align-items:flex-start; }
    .detail-label { min-width:auto; }
}