/* ============================================
   PUSHPENDRA SINGH YADAV - PORTFOLIO
   Premium 3D Animated Portfolio
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(18, 18, 30, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-glass: rgba(255, 255, 255, 0.08);
    --text-primary: #e8e8f0;
    --text-secondary: #8888a0;
    --text-muted: #55556a;
    --accent-1: #6c5ce7;
    --accent-2: #00cec9;
    --accent-3: #fd79a8;
    --gradient-primary: linear-gradient(135deg, #6c5ce7, #00cec9);
    --gradient-accent: linear-gradient(135deg, #6c5ce7, #fd79a8);
    --gradient-card: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(0, 206, 201, 0.05));
    --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Inter', -apple-system, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --font-mono: 'Fira Code', monospace;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-1) var(--bg-primary);
}

html::-webkit-scrollbar {
    width: 6px;
}

html::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

html::-webkit-scrollbar-thumb {
    background: var(--accent-1);
    border-radius: 3px;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    cursor: none;
}

a {
    text-decoration: none;
    color: inherit;
    cursor: none;
}

button, input, textarea {
    cursor: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Custom Cursor ---------- */
.cursor {
    width: 8px;
    height: 8px;
    background: var(--accent-2);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 10001;
    mix-blend-mode: difference;
    transition: transform 0.1s ease;
}

.cursor-follower {
    width: 36px;
    height: 36px;
    border: 1.5px solid var(--accent-1);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 10000;
    transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
}

.cursor-follower.hover {
    width: 56px;
    height: 56px;
    border-color: var(--accent-2);
    background: rgba(0, 206, 201, 0.08);
}

/* ---------- Preloader ---------- */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.preloader-inner {
    text-align: center;
}

.preloader-cube {
    width: 50px;
    height: 50px;
    margin: 0 auto 30px;
    position: relative;
    transform-style: preserve-3d;
    animation: cubeRotate 2s infinite linear;
}

.cube-face {
    position: absolute;
    width: 50px;
    height: 50px;
    border: 2px solid var(--accent-1);
    background: rgba(108, 92, 231, 0.1);
}

.cube-face.front  { transform: translateZ(25px); }
.cube-face.back   { transform: rotateY(180deg) translateZ(25px); }
.cube-face.left   { transform: rotateY(-90deg) translateZ(25px); }
.cube-face.right  { transform: rotateY(90deg) translateZ(25px); }
.cube-face.top    { transform: rotateX(90deg) translateZ(25px); }
.cube-face.bottom { transform: rotateX(-90deg) translateZ(25px); }

@keyframes cubeRotate {
    0% { transform: rotateX(0) rotateY(0); }
    100% { transform: rotateX(360deg) rotateY(360deg); }
}

.preloader-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 8px;
    margin-bottom: 24px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.preloader-bar {
    width: 200px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin: 0 auto 12px;
    overflow: hidden;
}

.preloader-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.1s ease;
}

.preloader-percent {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ---------- Three.js Canvas ---------- */
#three-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

/* ---------- Navigation ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.4s ease;
}

.nav.scrolled {
    padding: 12px 0;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 2px;
}

.logo-bracket {
    color: var(--accent-1);
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-social {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    font-size: 1rem;
    transition: var(--transition);
}

.nav-social:hover {
    color: var(--accent-2);
    border-color: var(--accent-2);
    box-shadow: 0 0 20px rgba(0, 206, 201, 0.2);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    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 Section ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 50px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    font-size: 0.85rem;
    color: var(--accent-2);
    margin-bottom: 28px;
    opacity: 0;
    transform: translateY(20px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-2);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero-line {
    display: block;
    overflow: hidden;
}

.hero-word {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
}

.hero-name {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-roles {
    font-size: 1.25rem;
    margin-bottom: 20px;
    height: 36px;
    display: flex;
    align-items: center;
    opacity: 0;
}

.role-static {
    color: var(--text-secondary);
}

.role-dynamic {
    color: var(--accent-2);
    font-weight: 600;
}

.role-cursor {
    color: var(--accent-1);
    animation: blink 1s infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 32px;
    opacity: 0;
    transform: translateY(20px);
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    opacity: 0;
    transform: translateY(20px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #00cec9, #6c5ce7);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary span,
.btn-primary i {
    position: relative;
    z-index: 1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-glass);
}

.btn-outline:hover {
    border-color: var(--accent-1);
    background: rgba(108, 92, 231, 0.08);
    transform: translateY(-2px);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 40px;
    opacity: 0;
    transform: translateY(20px);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-2);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-photo-wrapper {
    position: relative;
    width: 380px;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-photo-frame {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid transparent;
    background: var(--gradient-primary) border-box;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 40px rgba(108, 92, 231, 0.3), 0 0 80px rgba(108, 92, 231, 0.1);
}

.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-photo-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px dashed rgba(108, 92, 231, 0.3);
    animation: spinRing 20s linear infinite;
    z-index: 1;
}

@keyframes spinRing {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-photo-dots {
    position: absolute;
    width: 340px;
    height: 340px;
    border-radius: 50%;
    border: 2px dotted rgba(0, 206, 201, 0.2);
    animation: spinRing 30s linear infinite reverse;
    z-index: 1;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: fadeInUp 1s ease 2.5s forwards;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    background: var(--accent-1);
    border-radius: 3px;
    animation: scrollWheel 1.5s infinite;
}

@keyframes scrollWheel {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

.scroll-indicator span {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

@keyframes fadeInUp {
    to { opacity: 0.6; }
}

/* ---------- Section Common ---------- */
.section {
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-1);
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 12px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

/* ---------- About Section ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px;
    align-items: center;
}

.about-image-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: visible;
}

.about-avatar {
    width: 100%;
    aspect-ratio: 4/5;
    border-radius: var(--radius-xl);
    background: var(--gradient-card);
    border: 1px solid var(--border-glass);
    position: relative;
    overflow: hidden;
}

.about-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.about-image-card:hover .about-photo {
    transform: scale(1.05);
}

.about-image-border {
    position: absolute;
    inset: -3px;
    border-radius: var(--radius-xl);
    background: var(--gradient-primary);
    z-index: -1;
    opacity: 0.4;
    filter: blur(1px);
}

.about-floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: var(--shadow-card);
    z-index: 2;
}

.about-floating-badge i {
    color: var(--accent-1);
}

.about-floating-badge.top-right {
    top: -10px;
    right: -20px;
    animation: floatBadge 3s ease-in-out infinite;
}

.about-floating-badge.bottom-left {
    bottom: 20px;
    left: -20px;
    animation: floatBadge 3s ease-in-out infinite 1.5s;
}

@keyframes floatBadge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.about-heading {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.ampersand {
    color: var(--accent-1);
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 0.98rem;
}

.about-text strong {
    color: var(--text-primary);
}

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 28px 0 32px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.detail-item i {
    color: var(--accent-1);
    width: 16px;
    text-align: center;
    font-size: 0.85rem;
}

.about-btn {
    margin-top: 8px;
}

/* ---------- Skills Section ---------- */
.skills-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
}

.skill-tab {
    padding: 10px 24px;
    border-radius: 50px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.skill-tab.active,
.skill-tab:hover {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
}

.skills-panel {
    display: none;
}

.skills-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 24px;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px 20px;
    text-align: center;
    transition: all 0.4s ease;
    transform-style: preserve-3d;
    position: relative;
}

.skill-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.skill-card:hover {
    transform: translateY(-8px);
    border-color: rgba(108, 92, 231, 0.3);
    box-shadow: var(--shadow-glow);
}

.skill-card:hover::before {
    opacity: 0.05;
}

.skill-icon {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--accent-1);
    position: relative;
    z-index: 1;
}

.skill-ring {
    width: 100px;
    height: 100px;
    margin: 0 auto 16px;
    position: relative;
    z-index: 1;
}

.skill-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.ring-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.05);
    stroke-width: 6;
}

.ring-fill {
    fill: none;
    stroke: url(#skillGradient);
    stroke-width: 6;
    stroke-linecap: round;
    stroke-dasharray: 339.292;
    stroke-dashoffset: 339.292;
    transition: stroke-dashoffset 1.5s ease;
}

.ring-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skill-card h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

/* ---------- Experience Section ---------- */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto 80px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-1), var(--accent-2));
    opacity: 0.3;
}

.timeline-item {
    position: relative;
    padding: 0 0 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.timeline-item:nth-child(odd) .timeline-card {
    grid-column: 1;
}

.timeline-item:nth-child(even) .timeline-card {
    grid-column: 2;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 20px;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-1);
    border: 3px solid var(--bg-primary);
    z-index: 2;
}

.dot-pulse {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid var(--accent-1);
    animation: dotPulse 2s infinite;
}

@keyframes dotPulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 28px;
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.timeline-card:hover {
    border-color: rgba(108, 92, 231, 0.3);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.timeline-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.timeline-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.timeline-card-header h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
}

.timeline-role {
    font-size: 0.85rem;
    color: var(--accent-2);
    display: block;
}

.timeline-badge {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    margin-left: auto;
}

.timeline-badge.current {
    background: rgba(0, 206, 201, 0.15);
    color: var(--accent-2);
}

.timeline-date {
    font-size: 0.82rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}

.timeline-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.timeline-tags span {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    background: rgba(108, 92, 231, 0.1);
    color: var(--accent-1);
    border: 1px solid rgba(108, 92, 231, 0.2);
}

/* Certifications */
.certifications-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.sub-section-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

.sub-section-title i {
    color: var(--accent-1);
}

.cert-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.cert-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    transition: all 0.4s ease;
}

.cert-card:hover {
    border-color: rgba(108, 92, 231, 0.3);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.cert-logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent-1);
    flex-shrink: 0;
    overflow: hidden;
}

.cert-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.cert-info h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.cert-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.cert-badge {
    margin-left: auto;
    color: var(--accent-2);
    font-size: 1.2rem;
}

/* ---------- Projects Section ---------- */
.projects-filter {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
}

.filter-btn {
    padding: 8px 22px;
    border-radius: 50px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.5s ease;
    transform-style: preserve-3d;
}

.project-card.hidden {
    display: none;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: rgba(108, 92, 231, 0.3);
    box-shadow: var(--shadow-glow);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.project-card:hover .project-img {
    transform: scale(1.08);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0;
    transition: var(--transition);
}

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

.project-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    transform: translateY(20px);
    transition: all 0.4s ease 0.1s;
}

.project-card:hover .project-link {
    transform: translateY(0);
}

.project-link:hover {
    box-shadow: 0 0 30px rgba(108, 92, 231, 0.5);
}

.project-info {
    padding: 24px;
}

.project-info h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.project-info p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-tech span {
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 500;
    background: rgba(0, 206, 201, 0.1);
    color: var(--accent-2);
    border: 1px solid rgba(0, 206, 201, 0.2);
}

/* ---------- Education Section ---------- */
.education-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.edu-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s ease;
    transform-style: preserve-3d;
}

.edu-card:hover {
    transform: translateY(-8px);
    border-color: rgba(108, 92, 231, 0.3);
    box-shadow: var(--shadow-glow);
}

.edu-year {
    padding: 14px 24px;
    background: var(--gradient-primary);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    text-align: center;
    color: #fff;
}

.edu-content {
    padding: 28px 24px;
}

.edu-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-1);
    margin-bottom: 16px;
    overflow: hidden;
}

.edu-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.edu-content h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.edu-content h4 {
    font-size: 0.85rem;
    color: var(--accent-2);
    font-weight: 500;
    margin-bottom: 12px;
}

.edu-content p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.edu-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(108, 92, 231, 0.1);
    color: var(--accent-1);
    border: 1px solid rgba(108, 92, 231, 0.2);
}

/* ---------- Contact Section ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 32px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact-card:hover {
    border-color: rgba(108, 92, 231, 0.3);
    background: rgba(108, 92, 231, 0.05);
}

.contact-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--accent-1);
    flex-shrink: 0;
}

.contact-card-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.contact-card-value {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

.contact-socials {
    display: flex;
    gap: 12px;
}

.contact-socials a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.contact-socials a:hover {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    transform: translateY(-4px);
    box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 0 8px;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-glass);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group label {
    position: absolute;
    top: 16px;
    left: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: all 0.3s ease;
}

.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    top: -4px;
    font-size: 0.72rem;
    color: var(--accent-1);
    letter-spacing: 0.5px;
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.4s ease;
}

.form-group input:focus ~ .form-line,
.form-group textarea:focus ~ .form-line {
    width: 100%;
}

.btn-submit {
    align-self: flex-start;
    margin-top: 8px;
}

/* ---------- Footer ---------- */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-glass);
    position: relative;
    z-index: 1;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.footer-socials {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-socials a:hover {
    color: var(--accent-1);
    border-color: var(--accent-1);
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 0;
    }

    .hero-photo-wrapper {
        width: 300px;
        height: 300px;
    }

    .hero-photo-frame {
        width: 240px;
        height: 240px;
    }

    .hero-photo-dots {
        width: 270px;
        height: 270px;
    }

    .hero-description {
        margin: 0 auto 32px;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-card {
        max-width: 350px;
        margin: 0 auto;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        padding-left: 50px;
    }

    .timeline-item:nth-child(odd) .timeline-card,
    .timeline-item:nth-child(even) .timeline-card {
        grid-column: 1;
    }

    .timeline-dot {
        left: 20px;
    }

    .cert-grid {
        grid-template-columns: 1fr;
    }

    .education-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: center;
        gap: 8px;
        padding: 24px;
        transition: right 0.4s ease;
        border-left: 1px solid var(--border-glass);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-social {
        display: none;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-photo-wrapper {
        width: 250px;
        height: 250px;
    }

    .hero-photo-frame {
        width: 200px;
        height: 200px;
    }

    .hero-photo-dots {
        width: 230px;
        height: 230px;
    }

    .hero-stats {
        gap: 24px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-details {
        grid-template-columns: 1fr;
    }

    .cursor,
    .cursor-follower {
        display: none;
    }

    body {
        cursor: auto;
    }

    a, button, input, textarea {
        cursor: auto;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 80px 0;
    }

    .hero-roles {
        font-size: 1rem;
    }

    .skills-tabs {
        flex-wrap: wrap;
    }

    .skills-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .projects-filter {
        flex-wrap: wrap;
    }
}