/* ============================================
   MUNJAL NAYAK - FUTURISTIC PORTFOLIO
   Modern, Professional, Dark Theme
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ============================================ */
:root {
    /* Colors - Cyberpunk/Futuristic Palette */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-bg-card: rgba(20, 20, 30, 0.7);
    
    /* Accent Colors */
    --color-accent-primary: #00d4ff;
    --color-accent-secondary: #7c3aed;
    --color-accent-tertiary: #f472b6;
    --color-accent-success: #10b981;
    --color-accent-warning: #f59e0b;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #7c3aed 0%, #f472b6 100%);
    --gradient-glow: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(124, 58, 237, 0.2) 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #12121a 100%);
    
    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;
    
    /* Border & Glow */
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-hover: rgba(0, 212, 255, 0.3);
    --glow-primary: 0 0 20px rgba(0, 212, 255, 0.3);
    --glow-secondary: 0 0 20px rgba(124, 58, 237, 0.3);
    
    /* Typography */
    --font-primary: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Sizes */
    --header-height: 80px;
    --container-max: 1200px;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

::selection {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

::-moz-selection {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

a {
    text-decoration: none;
    color: inherit;
    -webkit-transition: var(--transition-normal);
    transition: var(--transition-normal);
}

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================
   CURSOR GLOW EFFECT
   ============================================ */
.cursor-glow {
    position: fixed;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.12) 0%, rgba(124, 58, 237, 0.08) 40%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    mix-blend-mode: screen;
}

body:hover .cursor-glow {
    opacity: 1;
}

/* ============================================
   RUNNING DOGS - Bruno & Rocky
   ============================================ */
.dog {
    position: fixed;
    z-index: 50;
    pointer-events: auto;
    opacity: 0.25;
    filter: drop-shadow(2px 2px 6px rgba(0,0,0,0.4));
    transition: opacity 0.5s ease, transform 0.3s ease;
    cursor: pointer;
}

.dog:hover {
    opacity: 0.6;
    transform: scale(1.15);
}

.dog svg {
    width: 100%;
    height: 100%;
}

.dog-bruno {
    width: 105px;
    height: 64px;
}

.dog-rocky {
    width: 110px;
    height: 65px;
}

.dog.running-right {
    transform: scaleX(1);
}

.dog.running-left {
    transform: scaleX(-1);
}

.dog.running-right:hover {
    transform: scaleX(1) scale(1.15);
}

.dog.running-left:hover {
    transform: scaleX(-1) scale(1.15);
}

/* Dog running animation - legs movement */
@keyframes dogRun {
    0%, 100% { transform: translateY(0); }
    25% { transform: translateY(-4px); }
    50% { transform: translateY(0); }
    75% { transform: translateY(-4px); }
}

.dog.animating {
    animation: dogRun 0.2s ease-in-out infinite;
}

/* Leg animations - works with g elements */
.dog.animating .leg-front-1 {
    animation: legFront1 0.2s ease-in-out infinite;
}

.dog.animating .leg-front-2 {
    animation: legFront2 0.2s ease-in-out infinite;
}

.dog.animating .leg-back-1 {
    animation: legBack1 0.2s ease-in-out infinite;
}

.dog.animating .leg-back-2 {
    animation: legBack2 0.2s ease-in-out infinite;
}

@keyframes legFront1 {
    0%, 100% { transform: rotate(-20deg); }
    50% { transform: rotate(20deg); }
}

@keyframes legFront2 {
    0%, 100% { transform: rotate(20deg); }
    50% { transform: rotate(-20deg); }
}

@keyframes legBack1 {
    0%, 100% { transform: rotate(15deg); }
    50% { transform: rotate(-25deg); }
}

@keyframes legBack2 {
    0%, 100% { transform: rotate(-25deg); }
    50% { transform: rotate(15deg); }
}

/* Dog tail wag */
.dog .dog-tail {
    animation: tailWag 0.3s ease-in-out infinite;
}

@keyframes tailWag {
    0%, 100% { transform: rotate(-8deg); }
    50% { transform: rotate(12deg); }
}

/* Dog jumping/crossing animation shadow */
.dog {
    transition: filter 0.2s ease, opacity 0.5s ease;
}

/* When dog is elevated (jumping), add subtle shadow below */
.dog::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 8px;
    background: radial-gradient(ellipse, rgba(0,0,0,0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

/* ============================================
   3D DYNAMIC BACKGROUND
   ============================================ */
.dynamic-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    background: var(--color-bg-primary);
    perspective: 1000px;
    transform-style: preserve-3d;
}

/* 3D Parallax layers */
.bg-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.bg-layer-back {
    transform: translateZ(-300px) scale(1.3);
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
}

.bg-layer-mid {
    transform: translateZ(-150px) scale(1.15);
    background: 
        radial-gradient(ellipse at 70% 30%, rgba(244, 114, 182, 0.03) 0%, transparent 40%),
        radial-gradient(ellipse at 30% 70%, rgba(0, 212, 255, 0.03) 0%, transparent 40%);
}

.bg-layer-front {
    transform: translateZ(-50px) scale(1.05);
    pointer-events: none;
}

/* 3D Grid floor effect */
.bg-grid-3d {
    position: absolute;
    bottom: 0;
    left: -50%;
    width: 200%;
    height: 60%;
    background: 
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    transform: rotateX(60deg) translateY(50%);
    transform-origin: center bottom;
    mask-image: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 100%);
    -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 100%);
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 80px 80px; }
}

/* Floating orbs with 3D depth */
.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
    animation: orbFloat3D 25s ease-in-out infinite;
    transform-style: preserve-3d;
}

.bg-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.4) 0%, rgba(0, 212, 255, 0.1) 40%, transparent 70%);
    top: -15%;
    left: -10%;
    animation-delay: 0s;
    transform: translateZ(-200px);
}

.bg-orb-2 {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.35) 0%, rgba(124, 58, 237, 0.1) 40%, transparent 70%);
    top: 40%;
    right: -20%;
    animation-delay: -8s;
    transform: translateZ(-100px);
}

.bg-orb-3 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(244, 114, 182, 0.3) 0%, rgba(244, 114, 182, 0.08) 40%, transparent 70%);
    bottom: -10%;
    left: 25%;
    animation-delay: -16s;
    transform: translateZ(-150px);
}

.bg-orb-4 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.25) 0%, transparent 60%);
    top: 60%;
    left: -5%;
    animation-delay: -12s;
    transform: translateZ(-80px);
}

@keyframes orbFloat3D {
    0%, 100% {
        transform: translate3d(0, 0, 0) scale(1);
    }
    20% {
        transform: translate3d(40px, -50px, 30px) scale(1.05);
    }
    40% {
        transform: translate3d(-30px, 30px, -20px) scale(0.95);
    }
    60% {
        transform: translate3d(50px, 40px, 40px) scale(1.08);
    }
    80% {
        transform: translate3d(-40px, -30px, -30px) scale(0.92);
    }
}

/* Mesh gradient overlay */
.bg-mesh {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(124, 58, 237, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(244, 114, 182, 0.04) 0%, transparent 50%);
    animation: meshPulse 15s ease-in-out infinite;
}

@keyframes meshPulse {
    0%, 100% { 
        opacity: 0.7;
        transform: scale(1);
    }
    50% { 
        opacity: 1;
        transform: scale(1.02);
    }
}

/* Noise texture overlay */
.bg-noise {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.02;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    pointer-events: none;
    animation: noiseShift 0.5s steps(5) infinite;
}

@keyframes noiseShift {
    0% { transform: translate(0, 0); }
    25% { transform: translate(-1px, 1px); }
    50% { transform: translate(1px, -1px); }
    75% { transform: translate(-1px, -1px); }
    100% { transform: translate(1px, 1px); }
}

/* Vignette effect */
.bg-vignette {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 0%, transparent 50%, rgba(0, 0, 0, 0.4) 100%);
    pointer-events: none;
}

/* Interactive ripple effect - 3D style */
.ripple {
    position: fixed;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.4) 0%, rgba(124, 58, 237, 0.2) 40%, transparent 70%);
    transform: scale(0);
    animation: rippleEffect 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    pointer-events: none;
    z-index: 1;
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.3),
        inset 0 0 20px rgba(0, 212, 255, 0.1);
}

@keyframes rippleEffect {
    0% {
        transform: scale(0) translateZ(0);
        opacity: 0.8;
    }
    50% {
        opacity: 0.4;
    }
    100% {
        transform: scale(6) translateZ(50px);
        opacity: 0;
    }
}

/* 3D floating elements */
.float-3d {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

.float-3d:hover {
    transform: translateZ(20px) scale(1.02);
}

/* ============================================
   PARTICLES BACKGROUND
   ============================================ */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: transparent;
}

/* ============================================
   LOADING SCREEN
   ============================================ */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-circle {
    width: 100px;
    height: 100px;
    border: 3px solid transparent;
    border-top-color: var(--color-accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-circle::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 3px solid transparent;
    border-top-color: var(--color-accent-secondary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite reverse;
}

.loader-text {
    position: absolute;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(10, 10, 15, 0.8);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    -webkit-transition: var(--transition-normal);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    height: 70px;
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

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

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

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

.nav-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--border-radius-md);
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
    transform: translateX(-50%);
}

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

.nav-link:hover::before,
.nav-link.active::before {
    width: 80%;
}

.nav-indicator {
    display: none;
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--border-radius-xl);
    transition: var(--transition-normal);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

.nav-close {
    display: none;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius-xl);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent-primary);
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent-primary);
    border: 2px solid var(--color-accent-primary);
}

.btn-outline:hover {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    transform: translateY(-3px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: calc(var(--header-height) + 2rem) 2rem 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
    animation: float 15s ease-in-out infinite;
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(30px, -30px) rotate(5deg); }
    50% { transform: translate(0, 20px) rotate(0deg); }
    75% { transform: translate(-30px, -20px) rotate(-5deg); }
}

.hero-content {
    max-width: 700px;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1.25rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--border-radius-xl);
    font-size: 0.875rem;
    color: var(--color-accent-success);
    margin-bottom: 1.5rem;
}

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

.hero-title {
    margin-bottom: 1rem;
}

.hero-greeting {
    display: block;
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.hero-name {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-role {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    margin-bottom: 1.5rem;
}

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

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

.typed-cursor {
    color: var(--color-accent-primary);
    animation: blink 1s infinite;
}

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

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.hero-description .highlight {
    color: var(--color-accent-primary);
    font-weight: 500;
}

.hero-stats {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    padding: 1.5rem 2rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1;
}

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

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.25rem;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-socials {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: var(--color-bg-primary);
    transform: translateY(-3px);
    box-shadow: var(--glow-primary);
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: var(--color-border);
    position: relative;
    overflow: hidden;
}

.scroll-dot {
    width: 3px;
    height: 10px;
    background: var(--color-accent-primary);
    border-radius: 2px;
    position: absolute;
    left: -1px;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: 0; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.hero-image {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
}

.image-frame {
    position: relative;
    width: 400px;
    height: 400px;
}

.frame-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-accent-primary);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.frame-border::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    width: 20px;
    height: 20px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    transform: translateX(-50%);
}

@keyframes rotate {
    to { transform: rotate(360deg); }
}

.frame-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(30px);
}

.profile-img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 320px;
    height: 320px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--color-bg-secondary);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.float-card {
    position: absolute;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    -webkit-box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.float-card i {
    color: var(--color-accent-primary);
}

.float-1 {
    top: 10%;
    left: -20%;
    animation: floatCard 6s ease-in-out infinite;
}

.float-2 {
    top: 60%;
    right: -10%;
    animation: floatCard 6s ease-in-out infinite 2s;
}

.float-3 {
    bottom: 5%;
    left: 10%;
    animation: floatCard 6s ease-in-out infinite 4s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ============================================
   SECTION STYLES
   ============================================ */
section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--border-radius-xl);
    font-size: 0.875rem;
    color: var(--color-accent-primary);
    margin-bottom: 1rem;
    font-family: var(--font-mono);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.section-line {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--color-bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-img-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.about-img-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.about-img-wrapper:hover img {
    transform: scale(1.05);
}

.about-img-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 212, 255, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: var(--glow-primary);
}

.exp-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-bg-primary);
}

.exp-text {
    font-size: 0.7rem;
    color: var(--color-bg-primary);
    text-align: center;
    line-height: 1.3;
}

.about-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent-primary);
    margin-bottom: 1.5rem;
}

.about-text {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.about-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

.detail-item:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-3px);
}

.detail-item i {
    font-size: 1.25rem;
    color: var(--color-accent-primary);
    margin-top: 0.25rem;
}

.detail-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.detail-value {
    font-weight: 500;
    color: var(--color-text-primary);
}

.about-cta {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* ============================================
   EXPERIENCE SECTION
   ============================================ */
.experience-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-accent-primary), var(--color-accent-secondary));
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    padding-bottom: 3rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -8px;
    top: 0;
}

.marker-dot {
    width: 18px;
    height: 18px;
    background: var(--color-bg-primary);
    border: 3px solid var(--color-accent-primary);
    border-radius: 50%;
    box-shadow: var(--glow-primary);
}

.timeline-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    transition: var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--color-accent-primary);
    box-shadow: var(--glow-primary);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.timeline-company h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.company-name {
    color: var(--color-accent-primary);
    font-weight: 500;
}

.timeline-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-accent-secondary);
    font-weight: 500;
}

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

.timeline-location i {
    margin-right: 0.25rem;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    padding: 0.35rem 0.75rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--border-radius-xl);
    font-size: 0.75rem;
    color: var(--color-accent-primary);
    font-family: var(--font-mono);
}

.timeline-list {
    list-style: none;
}

.timeline-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.timeline-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 6px;
    height: 6px;
    background: var(--color-accent-primary);
    border-radius: 50%;
}

/* Education Section */
.education-header {
    margin-top: 5rem;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.education-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    transition: var(--transition-normal);
    overflow: hidden;
}

.education-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-5px);
}

.edu-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.edu-icon i {
    font-size: 1.5rem;
    color: var(--color-accent-primary);
}

.edu-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.edu-institution {
    display: block;
    color: var(--color-accent-primary);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.edu-year {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    margin-bottom: 0.75rem;
}

.edu-focus {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.edu-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.5rem;
}

.edu-highlights span {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.edu-highlights i {
    color: var(--color-accent-warning);
    margin-right: 0.35rem;
}

.edu-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.35rem 0.75rem;
    background: var(--color-accent-success);
    color: var(--color-bg-primary);
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--border-radius-xl);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills {
    background: var(--color-bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.skill-category {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    transition: var(--transition-normal);
}

.skill-category:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-5px);
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.skill-icon i {
    font-size: 1.5rem;
    color: var(--color-accent-primary);
}

.skill-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 1.5rem;
}

.skill-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    border-bottom: 1px solid var(--color-border);
}

.skill-list li:last-child {
    border-bottom: none;
}

.skill-dot {
    width: 6px;
    height: 6px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* Certifications */
.certifications {
    margin-top: 4rem;
    text-align: center;
}

.cert-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 2rem;
}

.cert-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    transition: var(--transition-normal);
}

.cert-item:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-3px);
}

.cert-item i {
    font-size: 1.25rem;
    color: var(--color-accent-primary);
}

.cert-item span {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.project-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-5px);
    box-shadow: var(--glow-primary);
}

.project-card.featured {
    grid-column: span 2;
}

.project-card.featured .project-image {
    height: 300px;
}

.project-image {
    position: relative;
    height: 200px;
    background: var(--color-bg-tertiary);
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
}

.project-placeholder i {
    font-size: 4rem;
    color: var(--color-accent-primary);
    opacity: 0.3;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

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

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    width: 50px;
    height: 50px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg-primary);
    font-size: 1.25rem;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-normal);
}

.project-card:hover .project-link {
    transform: translateY(0);
    opacity: 1;
}

.project-link:hover {
    background: var(--color-text-primary);
}

.project-content {
    padding: 1.5rem;
}

.project-category {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    display: block;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.75rem;
}

.project-description {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tags span {
    padding: 0.35rem 0.75rem;
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: var(--border-radius-xl);
    font-size: 0.75rem;
    color: var(--color-accent-secondary);
    font-family: var(--font-mono);
}

/* Publications */
.publications {
    margin-top: 4rem;
}

.pub-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.pub-title i {
    color: var(--color-accent-primary);
}

.pub-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.pub-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-normal);
}

.pub-item:hover {
    border-color: var(--color-accent-primary);
}

.pub-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pub-icon i {
    font-size: 1.25rem;
    color: var(--color-accent-primary);
}

.pub-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.pub-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background: var(--color-bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.25rem;
    color: var(--color-accent-primary);
}

.contact-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

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

a.contact-value:hover {
    color: var(--color-accent-primary);
}

.contact-socials {
    display: flex;
    gap: 1rem;
}

.contact-social {
    width: 50px;
    height: 50px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    transition: var(--transition-normal);
}

.contact-social:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: var(--color-bg-primary);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--color-border);
    font-size: 1rem;
    color: var(--color-text-primary);
    outline: none;
    transition: var(--transition-normal);
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group label {
    position: absolute;
    left: 0;
    top: 1rem;
    font-size: 1rem;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: var(--transition-normal);
}

.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(--color-accent-primary);
}

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

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

.btn-submit {
    align-self: flex-start;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: var(--container-max);
    margin: 0 auto;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--color-border);
}

.footer-logo {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--color-text-secondary);
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 1.5rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--color-text-secondary);
    transition: var(--transition-normal);
}

.footer-links a:hover {
    color: var(--color-accent-primary);
    padding-left: 0.5rem;
}

.footer-contact p {
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
}

.footer-contact i {
    color: var(--color-accent-primary);
    margin-right: 0.5rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: var(--transition-normal);
}

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

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg-primary);
    font-size: 1.25rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-primary);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .hero-image {
        display: none;
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-badge {
        margin: 0 auto 1.5rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-socials {
        justify-content: center;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--color-bg-primary);
        padding: 5rem 2rem;
        transition: var(--transition-normal);
        z-index: 999;
    }
    
    .nav-menu.show {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-link {
        padding: 1.5rem 0;
        border-bottom: 1px solid var(--color-border);
        font-size: 1.25rem;
    }
    
    .nav-close {
        display: flex;
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
        font-size: 1.5rem;
        color: var(--color-text-primary);
        cursor: pointer;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-details {
        grid-template-columns: 1fr;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-card.featured {
        grid-column: span 1;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-brand p {
        max-width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    section {
        padding: 4rem 0;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: calc(var(--header-height) + 1rem) 1rem 3rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem;
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        padding-left: 2rem;
    }
    
    .timeline-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .timeline-meta {
        align-items: flex-start;
    }
    
    .education-card {
        flex-direction: column;
        text-align: center;
    }
    
    .edu-highlights {
        justify-content: center;
    }
    
    .pub-item {
        flex-direction: column;
        text-align: center;
    }
    
    .pub-icon {
        margin: 0 auto;
    }
    
    .about-cta {
        flex-direction: column;
    }
    
    .about-cta .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .cert-grid {
        flex-direction: column;
    }
    
    .cert-item {
        justify-content: center;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
[data-aos] {
    pointer-events: none;
}

[data-aos].aos-animate {
    pointer-events: auto;
}

/* Custom animation for text reveal */
.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    transform: translateY(100%);
    animation: textReveal 0.8s forwards;
}

@keyframes textReveal {
    to {
        transform: translateY(0);
    }
}

/* Glitch effect for hero name */
.hero-name:hover {
    animation: glitch 0.5s ease;
}

@keyframes glitch {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(2px, -2px); }
    60% { transform: translate(-2px, -2px); }
    80% { transform: translate(2px, 2px); }
}