/* ==================== CSS Variables ==================== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: rgba(255,255,255,0.03);
    --bg-card-hover: rgba(255,255,255,0.06);
    --text-primary: #e8e8ef;
    --text-secondary: #9090a8;
    --text-muted: #55556a;
    --accent-primary: #6c5ce7;
    --accent-secondary: #00cec9;
    --accent-gradient: linear-gradient(135deg, #6c5ce7, #00cec9);
    --accent-glow: rgba(108,92,231,0.25);
    --border-color: rgba(255,255,255,0.07);
    --border-hover: rgba(255,255,255,0.14);
    --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
    --shadow-hover: 0 12px 40px rgba(0,0,0,0.5);
    --font-main: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
    --nav-bg: rgba(10,10,15,0.85);
}

/* ==================== Light Mode ==================== */
body.light-mode {
    --bg-primary: #f5f6fa;
    --bg-secondary: #eceef5;
    --bg-card: rgba(255,255,255,0.85);
    --bg-card-hover: rgba(255,255,255,1);
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-muted: #8888a8;
    --accent-primary: #5a4bd1;
    --accent-secondary: #00b5b1;
    --accent-glow: rgba(90,75,209,0.2);
    --border-color: rgba(0,0,0,0.08);
    --border-hover: rgba(0,0,0,0.16);
    --shadow-card: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-hover: 0 12px 40px rgba(0,0,0,0.15);
    --nav-bg: rgba(245,246,250,0.92);
}

/* ==================== Reset ==================== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:80px; }
body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    transition: background 0.4s ease, color 0.4s ease;
}
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
img { max-width:100%; display:block; }
/* ==================== Custom Scrollbar ==================== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--accent-gradient);
    border-radius: 10px;
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

.container { max-width:1200px; margin:0 auto; padding:0 28px; }

/* ==================== Cursor Glow ==================== */
.cursor-glow {
    position:fixed; width:500px; height:500px; border-radius:50%;
    background: radial-gradient(circle, rgba(108,92,231,0.06) 0%, transparent 70%);
    pointer-events:none; z-index:0; transform:translate(-50%,-50%);
    transition: opacity 0.3s; will-change: left, top;
}
body.light-mode .cursor-glow { opacity: 0.5; }

/* ==================== Particle Canvas ==================== */
#particleCanvas {
    position:fixed; top:0; left:0; width:100%; height:100%;
    z-index:0; pointer-events:none;
}

/* ==================== Navbar ==================== */
.navbar {
    position:fixed; top:0; left:0; width:100%; z-index:1000;
    padding:14px 0;
    background: var(--nav-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}
.navbar.scrolled {
    padding:10px 0;
    border-bottom-color: var(--border-color);
    box-shadow: 0 2px 20px rgba(0,0,0,0.12);
}
.nav-container {
    max-width:1200px; margin:0 auto; padding:0 28px;
    display:flex; align-items:center; justify-content:space-between;
}
.nav-logo {
    font-size:1.4rem; font-weight:800; letter-spacing:-1px;
    transition: var(--transition);
}
.nav-logo:hover { transform:scale(1.05); }
.logo-bracket { color: var(--accent-primary); }

.nav-right { display:flex; align-items:center; gap:8px; }
.nav-links { display:flex; gap:4px; }
.nav-link {
    padding:8px 16px; font-size:0.875rem; font-weight:500;
    color: var(--text-secondary); border-radius:var(--radius-sm);
    transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); background: rgba(108,92,231,0.1); }
.nav-link.active { color: var(--accent-primary); }

/* ==================== Theme Toggle ==================== */
.theme-toggle {
    width:44px; height:44px; border-radius:50%;
    border: 1px solid var(--border-hover);
    background: var(--bg-card);
    cursor:pointer; display:flex; align-items:center; justify-content:center;
    color: var(--text-secondary); font-size:1rem;
    transition: var(--transition); outline:none;
    flex-shrink:0;
}
.theme-toggle:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(108,92,231,0.1);
    transform: rotate(20deg) scale(1.05);
}

/* ==================== Mobile Nav ==================== */
.nav-toggle {
    display:none; flex-direction:column; gap:5px;
    background:none; border:none; cursor:pointer; padding:4px;
}
.nav-toggle span {
    width:24px; height:2px; background: var(--text-primary);
    border-radius:2px; transition: var(--transition);
}
.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; padding:120px 28px 80px;
    overflow:hidden;
}
.hero-bg-grid {
    position:absolute; inset:0;
    background-image:
        linear-gradient(rgba(108,92,231,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108,92,231,0.04) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}
.hero-content { position:relative; z-index:1; text-align:center; max-width:820px; }

.hero-badge {
    display:inline-flex; align-items:center; gap:8px;
    padding:8px 22px; border-radius:50px;
    background: rgba(108,92,231,0.1); border:1px solid rgba(108,92,231,0.25);
    font-size:0.8rem; font-weight:600; color: var(--accent-primary);
    margin-bottom:36px; letter-spacing:0.5px;
}
.badge-dot {
    width:8px; height:8px; border-radius:50%;
    background:#00cec9; animation:pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%,100% { box-shadow:0 0 0 0 rgba(0,206,201,0.4); }
    50% { box-shadow:0 0 0 8px rgba(0,206,201,0); }
}

.hero-greeting {
    display:block; font-size:1rem; font-weight:500;
    color: var(--accent-secondary); letter-spacing:3px;
    text-transform:uppercase; margin-bottom:14px;
}
.hero-name {
    display:block; font-size:clamp(2.8rem,7vw,5rem);
    font-weight:900; letter-spacing:-2px; line-height:1.05;
    background: var(--accent-gradient); -webkit-background-clip:text;
    -webkit-text-fill-color:transparent; background-clip:text;
    margin-bottom:10px;
}
.hero-role {
    display:block; font-size:clamp(1.1rem,2.5vw,1.6rem);
    font-weight:300; color: var(--text-secondary); min-height:2.2rem;
}
.typed-cursor { font-weight:100; color: var(--accent-primary); animation:blink 1s infinite; }
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0;} }

.hero-description {
    font-size:1.05rem; color: var(--text-secondary);
    max-width:600px; margin:28px auto 44px; line-height:1.85;
}
.hero-cta { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

/* ==================== Buttons ==================== */
.btn {
    display:inline-flex; align-items:center; gap:10px;
    padding:14px 30px; border-radius:var(--radius-sm);
    font-size:0.9rem; font-weight:600; font-family:var(--font-main);
    cursor:pointer; border:none; transition: var(--transition);
    position:relative; overflow:hidden;
}
.btn-primary {
    background: var(--accent-gradient); color:#fff;
    box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover { transform:translateY(-3px); box-shadow:0 10px 32px var(--accent-glow); }
.btn-outline {
    background:transparent; color: var(--text-primary);
    border:1px solid var(--border-hover);
}
.btn-outline:hover { border-color: var(--accent-primary); background:rgba(108,92,231,0.06); transform:translateY(-3px); }
.btn-full { width:100%; justify-content:center; }

/* ==================== Hero Stats ==================== */
.hero-stats {
    display:flex; align-items:center; justify-content:center;
    gap:40px; margin-top:64px;
    padding:28px 40px;
    background: var(--bg-card);
    border:1px solid var(--border-color);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}
.stat-item { text-align:center; }
.stat-number {
    font-size:2.2rem; font-weight:900;
    background: var(--accent-gradient); -webkit-background-clip:text;
    -webkit-text-fill-color:transparent; background-clip:text;
}
.stat-suffix { font-size:1.6rem; font-weight:700; color: var(--accent-secondary); }
.stat-label { display:block; font-size:0.75rem; color: var(--text-muted); text-transform:uppercase; letter-spacing:1.5px; margin-top:4px; }
.stat-divider { width:1px; height:48px; background: var(--border-color); }

.hero-scroll-indicator {
    position:absolute; bottom:32px; left:50%;
    transform:translateX(-50%); display:flex;
    flex-direction:column; align-items:center; gap:8px;
}
.hero-scroll-indicator span { font-size:0.65rem; color: var(--text-muted); text-transform:uppercase; letter-spacing:2px; }
.scroll-line { width:1px; height:40px; background: var(--accent-gradient); animation:scroll-pulse 2s infinite; }
@keyframes scroll-pulse {
    0%{transform:scaleY(0);transform-origin:top;opacity:0;}
    50%{transform:scaleY(1);transform-origin:top;opacity:1;}
    100%{transform:scaleY(0);transform-origin:bottom;opacity:0;}
}

/* ==================== Sections ==================== */
.section { padding:110px 0; position:relative; z-index:1; }

.section-header { text-align:center; margin-bottom:72px; }
.section-tag { font-family:var(--font-mono); font-size:0.8rem; color: var(--accent-primary); opacity:0.8; letter-spacing:1px; }
.section-title { font-size:clamp(2rem,4vw,3rem); font-weight:900; letter-spacing:-1.5px; margin-top:10px; }
.section-line { width:64px; height:4px; background: var(--accent-gradient); margin:18px auto 0; border-radius:4px; }

/* ==================== Glass Card ==================== */
.glass-card {
    background: var(--bg-card);
    border:1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    backdrop-filter: blur(8px);
}
.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform:translateY(-6px);
    box-shadow: var(--shadow-hover);
}

/* ==================== About ==================== */
.about-grid { display:grid; grid-template-columns:1fr 1.6fr; gap:72px; align-items:center; }

.image-frame { 
    position:relative; 
    width:280px; 
    height:280px; 
    margin:0 auto; 
    border-radius:50%;
    padding: 5px;
    background: var(--accent-gradient);
    box-shadow: 0 0 0 4px rgba(108,92,231,0.2), 0 20px 60px rgba(108,92,231,0.3);
}
.image-frame img {
    width:100%; 
    height:100%; 
    object-fit:cover;
    border-radius: 50%;
    display: block;
    border: 3px solid var(--bg-primary);
}
.image-border { display: none; }
@keyframes border-spin {
    0% { border-color: var(--accent-primary); }
    50% { border-color: var(--accent-secondary); }
    100% { border-color: var(--accent-primary); }
}

.about-subtitle { font-size:1.5rem; font-weight:700; margin-bottom:20px; line-height:1.3; }
.highlight { color: var(--accent-secondary); }
.about-text { color: var(--text-secondary); margin-bottom:18px; font-size:0.95rem; line-height:1.85; }
.about-text strong { color: var(--text-primary); font-weight:600; }

.about-details { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin:28px 0; }
.detail-item {
    display:flex; align-items:center; gap:12px;
    font-size:0.875rem; color: var(--text-secondary);
    padding:10px 14px; border-radius:var(--radius-sm);
    background: var(--bg-card); border:1px solid var(--border-color);
    transition: var(--transition);
}
.detail-item:hover { border-color: var(--accent-primary); color: var(--text-primary); }
.detail-item i { color: var(--accent-primary); width:16px; flex-shrink:0; }

/* ==================== Skills ==================== */
.skills-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }

.skill-category {
    padding:30px 28px; border-radius:var(--radius-md);
    background: var(--bg-card); border:1px solid var(--border-color);
    transition: var(--transition); box-shadow: var(--shadow-card);
    position: relative; overflow: hidden;
}
.skill-category::before {
    content:''; position:absolute; top:0; left:0; right:0; height:3px;
    background: var(--accent-gradient); opacity:0; transition: var(--transition);
}
.skill-category:hover { border-color: var(--border-hover); transform:translateY(-6px); box-shadow: var(--shadow-hover); }
.skill-category:hover::before { opacity:1; }

.category-header { display:flex; align-items:center; gap:14px; margin-bottom:22px; }
.category-icon {
    width:44px; height:44px; border-radius:var(--radius-sm);
    background: rgba(108,92,231,0.12);
    display:flex; align-items:center; justify-content:center;
    color: var(--accent-primary); font-size:1.05rem;
    flex-shrink:0;
}
.category-header h3 { font-size:1rem; font-weight:700; }

.skill-tags { display:flex; flex-wrap:wrap; gap:8px; }
.skill-tag {
    display:inline-flex; align-items:center; gap:7px;
    padding:7px 15px; border-radius:50px;
    background: rgba(255,255,255,0.04);
    border:1px solid var(--border-color);
    font-size:0.8rem; color: var(--text-secondary);
    transition: var(--transition); font-weight:500;
}
.skill-tag:hover {
    border-color: var(--accent-primary); color: var(--accent-primary);
    background: rgba(108,92,231,0.1); transform:translateY(-2px);
}
.skill-tag i { font-size:0.85rem; }

/* ==================== Certifications ==================== */
.certs-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:24px; }

.cert-card {
    padding:32px 28px; text-align:center;
    position:relative; overflow:hidden;
}
.cert-card::after {
    content:''; position:absolute; bottom:0; left:0; right:0; height:3px;
    background: var(--accent-gradient); transform:scaleX(0); transition: var(--transition);
    transform-origin: left;
}
.cert-card:hover::after { transform:scaleX(1); }

.cert-badge {
    width:72px; height:72px; border-radius:50%;
    background: rgba(108,92,231,0.12);
    border:2px solid rgba(108,92,231,0.2);
    display:flex; align-items:center; justify-content:center;
    color: var(--accent-primary); font-size:1.5rem;
    margin:0 auto 20px;
    transition: var(--transition);
    overflow: hidden;
}
.cert-badge-logo { 
    background: #fff; 
    border-color: rgba(108,92,231,0.3); 
    padding: 0; 
    border-radius: 50%;
    overflow: hidden;
}
.cert-badge-logo img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    border-radius: 50%;
    display: block;
}
.cert-card:hover .cert-badge {
    border-color: var(--accent-primary);
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 0 20px var(--accent-glow);
}
.cert-card:hover .cert-badge-logo { background:#fff; }
.cert-card h3 { font-size:1rem; font-weight:700; margin-bottom:8px; }
.cert-issuer { font-size:0.8rem; color: var(--text-muted); display:flex; align-items:center; justify-content:center; gap:6px; }
.cert-date { font-size:0.75rem; color: var(--text-muted); margin-top:8px; }
.cert-id { font-size:0.68rem; color: var(--text-muted); opacity:0.6; margin-top:4px; font-family:var(--font-mono); word-break:break-all; }
.cert-link {
    display:inline-flex; align-items:center; gap:6px;
    margin-top:18px; padding:9px 20px; border-radius:50px;
    font-size:0.8rem; font-weight:600; color: var(--accent-primary);
    border:1px solid rgba(108,92,231,0.3);
    background: rgba(108,92,231,0.08);
    transition: var(--transition);
}
.cert-link:hover {
    background: rgba(108,92,231,0.2); border-color: var(--accent-primary);
    transform:translateY(-2px); box-shadow:0 4px 15px var(--accent-glow);
}

/* ==================== Contact ==================== */
.contact-grid { display:grid; grid-template-columns:1fr 1.2fr; gap:56px; align-items:start; }

.contact-info h3 { font-size:1.7rem; font-weight:800; margin-bottom:16px; letter-spacing:-0.5px; }
.contact-info > p { font-size:0.95rem; color: var(--text-secondary); margin-bottom:32px; line-height:1.85; }

.contact-links { display:flex; flex-direction:column; gap:14px; }
.contact-link-item {
    display:flex; align-items:center; gap:16px;
    padding:18px 20px; border-radius:var(--radius-md);
    border:1px solid var(--border-color);
    background: var(--bg-card);
    transition: var(--transition);
}
.contact-link-item:hover {
    border-color: var(--accent-primary);
    background: rgba(108,92,231,0.06);
    transform:translateX(4px);
    box-shadow: var(--shadow-card);
}
.contact-icon {
    width:46px; height:46px; border-radius:var(--radius-sm);
    background: rgba(108,92,231,0.12);
    display:flex; align-items:center; justify-content:center;
    color: var(--accent-primary); font-size:1.1rem; flex-shrink:0;
    transition: var(--transition);
}
.contact-link-item:hover .contact-icon { background: rgba(108,92,231,0.2); transform:scale(1.05); }
.contact-label { display:block; font-size:0.7rem; color: var(--text-muted); text-transform:uppercase; letter-spacing:1.5px; }
.contact-value { display:block; font-size:0.9rem; color: var(--text-primary); font-weight:600; margin-top:3px; }

/* ==================== Contact Form ==================== */
.contact-form { padding:36px 32px; }
.form-group { position:relative; margin-bottom:28px; }
.form-group input, .form-group textarea {
    width:100%; padding:14px 0; font-size:0.9rem;
    font-family:var(--font-main); color: var(--text-primary);
    background:transparent; border:none;
    border-bottom:1px solid var(--border-color);
    outline:none; transition: var(--transition); resize:none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: transparent; }
.form-group label {
    position:absolute; top:14px; left:0;
    font-size:0.9rem; color: var(--text-muted);
    pointer-events:none; transition: var(--transition);
}
.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top:-8px; font-size:0.72rem; color: var(--accent-primary); font-weight:600;
}
.form-line {
    position:absolute; bottom:0; left:0; width:0; height:2px;
    background: var(--accent-gradient); transition: var(--transition);
    border-radius:2px;
}
.form-group input:focus ~ .form-line,
.form-group textarea:focus ~ .form-line { width:100%; }

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.project-card {
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-image {
    height: 220px;
    background: var(--bg-secondary);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.p-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .p-img {
    transform: scale(1.1);
}

.project-placeholder {
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.5;
    transition: all 0.5s ease;
}

.project-card:hover .project-placeholder {
    transform: scale(1.1) rotate(5deg);
    opacity: 0.8;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 27, 75, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 2;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 20px;
    justify-content: center;
}

.project-tech span {
    padding: 5px 12px;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #fff;
}

.project-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-color);
}

.project-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-links {
    margin-top: auto;
    display: flex;
    gap: 15px;
}

.project-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: var(--secondary-color);
    transform: translateX(3px);
}

/* ==================== Footer ==================== */
.footer { padding:44px 0; border-top:1px solid var(--border-color); position:relative; z-index:1; }
.footer-content { text-align:center; }
.footer-logo { font-size:1.5rem; font-weight:800; margin-bottom:16px; letter-spacing:-0.5px; }
.footer-social { display:flex; justify-content:center; gap:12px; margin-bottom:18px; }
.footer-social a {
    width:42px; height:42px; border-radius:50%;
    border:1px solid var(--border-color);
    display:flex; align-items:center; justify-content:center;
    color: var(--text-secondary); transition: var(--transition);
}
.footer-social a:hover {
    border-color: var(--accent-primary); color: var(--accent-primary);
    background: rgba(108,92,231,0.1); transform:translateY(-3px);
}
.footer-text { font-size:0.8rem; color: var(--text-muted); }

/* ==================== Scroll-reveal Animations ==================== */
.animate-on-scroll { opacity:0; transform:translateY(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.animate-on-scroll.visible { opacity:1; transform:translateY(0); }

/* ==================== Responsive ==================== */
@media (max-width:1024px) { .skills-grid { grid-template-columns:repeat(2,1fr); } }

@media (max-width:768px) {
    .nav-links {
        position:fixed; top:0; right:-100%; width:280px;
        height:100vh; flex-direction:column; gap:4px;
        background: var(--nav-bg); backdrop-filter:blur(24px);
        padding:80px 24px 24px;
        transition: right 0.4s cubic-bezier(0.4,0,0.2,1);
        border-left:1px solid var(--border-color);
    }
    .nav-links.active { right:0; }
    .nav-toggle { display:flex; }
    .about-grid { grid-template-columns:1fr; gap:40px; }
    .image-frame { width:220px; height:220px; }
    .skills-grid { grid-template-columns:1fr; }
    .contact-grid { grid-template-columns:1fr; }
    .about-details { grid-template-columns:1fr; }
    .section { padding:80px 0; }
    .section-title { font-size:2rem; }
    .certs-grid { grid-template-columns:1fr; }
    .footer-social { gap:10px; flex-wrap:wrap; justify-content:center; }
}

@media (max-width:480px) {
    .hero { padding:100px 16px 60px; }
    .hero-cta { flex-direction:column; align-items:center; }
    .btn { width:100%; justify-content:center; }
    .contact-form { padding:24px 20px; }
    .certs-grid { grid-template-columns:1fr; }
    .image-frame { width:180px; height:180px; }
    .hero-name { letter-spacing:-1px; }
    .section-header { margin-bottom:48px; }
    .contact-form { padding:20px 16px; }
    .footer-social a { width:38px; height:38px; font-size:0.85rem; }
}

/* ==================== Back to Top ==================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 4px 20px var(--accent-glow);
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 999;
}
.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}
.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px var(--accent-glow);
}

@media (max-width:480px) {
    .back-to-top { bottom:20px; left:20px; right: auto; width:42px; height:42px; font-size:0.9rem; }
}

/* ==================== Preloader ==================== */
.preloader {
    position: fixed; inset: 0; z-index: 9999;
    background: var(--bg-primary);
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader-inner { text-align: center; }
.preloader-logo {
    font-size: 2.5rem; font-weight: 900; letter-spacing: -2px;
    margin-bottom: 28px; animation: preloader-pulse 1.5s ease infinite;
}
@keyframes preloader-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.97); }
}
.preloader-bar {
    width: 200px; height: 3px;
    background: var(--border-color);
    border-radius: 3px; overflow: hidden; margin: 0 auto 16px;
}
.preloader-fill {
    height: 100%; width: 0%;
    background: var(--accent-gradient);
    border-radius: 3px;
    animation: preloader-load 1.8s cubic-bezier(0.4,0,0.2,1) forwards;
}
@keyframes preloader-load {
    0% { width: 0%; }
    60% { width: 75%; }
    100% { width: 100%; }
}
.preloader-text {
    font-size: 0.78rem; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 2px;
    font-family: var(--font-mono);
}

/* ==================== Custom Cursor ==================== */
@media (hover: hover) and (pointer: fine) {
    * { cursor: none !important; }
    .custom-cursor {
        position: fixed; width: 36px; height: 36px; border-radius: 50%;
        border: 2px solid var(--accent-primary);
        pointer-events: none; z-index: 10000;
        transform: translate(-50%, -50%);
        transition: width 0.2s, height 0.2s, border-color 0.2s, background 0.15s;
        will-change: left, top;
    }
    .custom-cursor-dot {
        position: fixed; width: 6px; height: 6px; border-radius: 50%;
        background: var(--accent-primary);
        pointer-events: none; z-index: 10001;
        transform: translate(-50%, -50%);
        transition: transform 0.1s;
        will-change: left, top;
    }
    .custom-cursor.hovering {
        width: 52px; height: 52px;
        background: rgba(108,92,231,0.1);
        border-color: var(--accent-secondary);
    }
}

/* ==================== Thank You Overlay ==================== */
.thankyou-overlay {
    position: fixed; inset: 0; z-index: 9000;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    padding: 24px;
}
.thankyou-overlay.show { opacity: 1; visibility: visible; }

.confetti-canvas {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    pointer-events: none; z-index: 0;
}

.thankyou-card {
    position: relative; z-index: 1;
    background: linear-gradient(145deg, var(--bg-secondary) 0%, rgba(108,92,231,0.08) 100%);
    border: 1px solid transparent;
    background-clip: padding-box;
    border-radius: 28px;
    padding: 52px 44px 44px;
    text-align: center; max-width: 460px; width: 100%;
    box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(108,92,231,0.2), inset 0 1px 0 rgba(255,255,255,0.06);
    transform: scale(0.8) translateY(40px);
    transition: transform 0.5s cubic-bezier(0.34,1.56,0.64,1);
    overflow: hidden;
}
.thankyou-overlay.show .thankyou-card { transform: scale(1) translateY(0); }

/* Shimmer border effect */
.thankyou-card::before {
    content: '';
    position: absolute; inset: 0;
    border-radius: 28px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(108,92,231,0.6), rgba(0,206,201,0.6), rgba(108,92,231,0.6));
    background-size: 200% 200%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude;
    animation: shimmer-border 3s linear infinite;
    pointer-events: none;
}
@keyframes shimmer-border {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Sparkles */
.thankyou-sparkles { position: absolute; inset: 0; pointer-events: none; }
.spark {
    position: absolute;
    left: var(--x); top: var(--y);
    font-size: 1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: spark-float 3s ease-in-out var(--d) infinite;
    opacity: 0;
}
@keyframes spark-float {
    0% { opacity: 0; transform: translateY(0) scale(0.5) rotate(0deg); }
    30% { opacity: 1; }
    70% { opacity: 0.8; }
    100% { opacity: 0; transform: translateY(-30px) scale(1.2) rotate(180deg); }
}

/* Icon wrap */
.thankyou-icon-wrap {
    position: relative;
    width: 90px; height: 90px;
    margin: 0 auto 28px;
    display: flex; align-items: center; justify-content: center;
}
.thankyou-ring {
    position: absolute; inset: 0;
    border-radius: 50%;
    background: var(--accent-gradient);
    animation: ring-pulse 2s ease infinite;
    opacity: 0.3;
}
@keyframes ring-pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0.1; }
}
.thankyou-icon {
    position: relative; z-index: 1;
    width: 72px; height: 72px; border-radius: 50%;
    background: var(--accent-gradient);
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem; color: #fff;
    box-shadow: 0 8px 32px var(--accent-glow);
    animation: pop-in 0.6s cubic-bezier(0.34,1.56,0.64,1) 0.2s both;
}
@keyframes pop-in {
    from { transform: scale(0) rotate(-180deg); opacity: 0; }
    to { transform: scale(1) rotate(0deg); opacity: 1; }
}

/* Text */
.ty-title {
    font-size: 2rem; font-weight: 900; letter-spacing: -1px;
    margin-bottom: 14px;
    animation: fade-up 0.5s ease 0.4s both;
}
.ty-sub {
    font-size: 1rem; color: var(--text-secondary);
    margin-bottom: 10px; line-height: 1.7;
    animation: fade-up 0.5s ease 0.5s both;
}
.ty-sub strong {
    font-size: 1.15rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.ty-body {
    font-size: 0.88rem; color: var(--text-muted);
    line-height: 1.8; margin-bottom: 0;
    animation: fade-up 0.5s ease 0.6s both;
}
@keyframes fade-up {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}
.ty-divider {
    width: 60px; height: 3px;
    background: var(--accent-gradient);
    border-radius: 3px; margin: 24px auto;
    animation: fade-up 0.5s ease 0.65s both;
}
.ty-btn {
    animation: fade-up 0.5s ease 0.7s both;
    padding: 14px 36px; font-size: 0.95rem;
    box-shadow: 0 8px 28px var(--accent-glow);
}
.ty-btn:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 14px 36px var(--accent-glow); }

/* ==================== Scroll Reveal Animations ==================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.65s cubic-bezier(0.4,0,0.2,1),
                transform 0.65s cubic-bezier(0.4,0,0.2,1);
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== Internship Badge ==================== */
.hero-available {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 24px;
    padding: 10px 20px;
    background: rgba(0, 200, 83, 0.08);
    border: 1px solid rgba(0, 200, 83, 0.25);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #00c853;
    letter-spacing: 0.3px;
    backdrop-filter: blur(8px);
}
.avail-dot {
    width: 10px; height: 10px;
    background: #00c853;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 0 rgba(0, 200, 83, 0.5);
    animation: pulse-green 2s ease infinite;
}
@keyframes pulse-green {
    0%   { box-shadow: 0 0 0 0 rgba(0,200,83,0.5); }
    70%  { box-shadow: 0 0 0 10px rgba(0,200,83,0); }
    100% { box-shadow: 0 0 0 0 rgba(0,200,83,0); }
}

/* ==================== Parallax Effect ==================== */
.parallax-wrap {
    overflow: hidden;
    position: relative;
}

.parallax-img {
    height: 120% !important; /* Extra height for movement */
    top: -10%; /* Initial offset */
    position: absolute;
    width: 100%;
    object-fit: cover;
    will-change: transform;
}

/* ==================== Floating Resume FAB ==================== */
.fab-resume {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--accent-gradient);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 30px rgba(108, 92, 231, 0.4);
    z-index: 999;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
}

.fab-resume:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(108, 92, 231, 0.6);
    color: white;
}

.fab-icon {
    font-size: 1.2rem;
}

.fab-text {
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

/* ==================== Tech Ticker ==================== */
.tech-ticker-wrap {
    width: 100%;
    overflow: hidden;
    padding: 40px 0;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 40px;
}

.tech-ticker {
    display: flex;
    gap: 60px;
    width: max-content;
    animation: ticker 30s linear infinite;
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    opacity: 0.6;
    transition: opacity 0.3s, transform 0.3s;
}

.ticker-item i {
    font-size: 1.8rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ticker-item:hover {
    opacity: 1;
    transform: scale(1.1);
}

@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ==================== Copy Button Tooltip ==================== */
.contact-link-item {
    position: relative;
    transition: all 0.3s ease;
}

.contact-link-item:active {
    transform: scale(0.95);
}

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

/* Tooltip style for "Copied!" message */
.copy-feedback {
    position: absolute;
    top: -10px;
    right: 10px;
    background: var(--accent-primary);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    animation: fade-out 1.5s forwards;
    pointer-events: none;
    z-index: 10;
}

@keyframes fade-out {
    0% { opacity: 0; transform: translateY(0); }
    20% { opacity: 1; transform: translateY(-10px); }
    80% { opacity: 1; transform: translateY(-10px); }
    100% { opacity: 0; transform: translateY(-20px); }
}

/* ==================== Interactive Terminal ==================== */
.about-terminal-container {
    width: 100%;
    max-width: 900px;
    margin: 50px auto 0;
}

.terminal-card {
    background: rgba(10, 10, 15, 0.85) !important;
    border: 1px solid rgba(108, 92, 231, 0.25) !important;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(108, 92, 231, 0.1);
    overflow: hidden;
    font-family: 'JetBrains Mono', monospace;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.terminal-header {
    background: rgba(255, 255, 255, 0.03);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.t-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.t-btn.red { background: #ff5f56; }
.t-btn.yellow { background: #ffbd2e; }
.t-btn.green { background: #27c93f; }

.terminal-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.terminal-body {
    padding: 24px;
    height: 250px;
    overflow-y: auto;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #e0e0e0;
    text-align: left;
}

.terminal-line {
    margin-bottom: 8px;
}

.terminal-line.output-cmd {
    color: #55efc4;
}

.terminal-line.output-text {
    color: var(--text-secondary);
    padding-left: 10px;
    border-left: 2px solid rgba(108, 92, 231, 0.4);
}

.highlight-cmd {
    color: #00cec9;
    font-weight: 600;
}

.terminal-input-line {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
}

.terminal-prompt {
    color: #a29bfe;
    font-weight: 600;
    white-space: nowrap;
}

#terminalInput {
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-family: inherit;
    font-size: inherit;
    flex: 1;
    width: 100%;
    caret-color: #00cec9;
}

/* Scrollbar for terminal */
.terminal-body::-webkit-scrollbar {
    width: 6px;
}
.terminal-body::-webkit-scrollbar-track {
    background: transparent;
}
.terminal-body::-webkit-scrollbar-thumb {
    background: rgba(108, 92, 231, 0.2);
    border-radius: 4px;
}
.terminal-body::-webkit-scrollbar-thumb:hover {
    background: rgba(108, 92, 231, 0.4);
}

@media (max-width: 768px) {
    .fab-resume {
        bottom: 20px;
        right: 20px;
        padding: 12px;
    }
    .fab-text {
        display: none;
    }
    .tech-ticker {
        gap: 30px;
        animation-duration: 20s;
    }
    .ticker-item span {
        font-size: 0.9rem;
    }
    .terminal-body {
        height: 200px;
        font-size: 0.8rem;
    }
}