/* ============================================
   KARTHIK BHARADWAJ SURYA - PORTFOLIO CSS
   Modern, Aesthetic, Creative, 3D, Responsive
   ============================================ */

/* CSS Variables */
:root {
    /* Color Palette - Blue/Cyan Tech Theme */
    --primary: #0ea5e9;
    --primary-light: #38bdf8;
    --primary-dark: #0284c7;
    --secondary: #06b6d4;
    --secondary-light: #22d3ee;
    --accent: #3b82f6;
    --accent-light: #60a5fa;

    /* Neutrals */
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: rgba(15, 23, 42, 0.8);
    --bg-glass: rgba(14, 165, 233, 0.1);

    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%);
    --gradient-glow: linear-gradient(135deg, rgba(14, 165, 233, 0.5) 0%, rgba(6, 182, 212, 0.5) 100%);
    --gradient-card: linear-gradient(145deg, rgba(14, 165, 233, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);

    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(14, 165, 233, 0.1);
    --shadow-md: 0 4px 20px rgba(14, 165, 233, 0.15);
    --shadow-lg: 0 10px 40px rgba(14, 165, 233, 0.2);
    --shadow-glow: 0 0 30px rgba(14, 165, 233, 0.4);

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-display: 'Playfair Display', serif;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-darker);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 10px;
}

/* Custom Cursor */
.cursor {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    transition: transform 0.1s ease;
    mix-blend-mode: difference;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-light);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.3s ease, opacity 0.3s ease;
    opacity: 0.5;
}

/* Particles Background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float-particle 15s infinite linear;
}

@keyframes float-particle {
    0%, 100% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(8, 8, 16, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.1);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    padding: 0.8rem 5%;
    background: rgba(8, 8, 16, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-logo {
    position: relative;
}

.logo-text {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-fast);
}

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

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--bg-darker);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: var(--transition-slow);
}

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

.mobile-nav-links {
    list-style: none;
    text-align: center;
}

.mobile-nav-links li {
    margin: 2rem 0;
}

.mobile-nav-links a {
    font-size: 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.mobile-nav-links a:hover {
    color: var(--primary);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section Title */
.section-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 4rem;
}

.title-number {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
}

.title-text {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.title-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--primary) 0%, transparent 100%);
    max-width: 300px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-xl);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

.btn-secondary:hover {
    background: var(--bg-glass);
    transform: translateY(-3px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 5% 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInLeft 1s ease forwards;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.greeting {
    display: inline-block;
    font-size: 1.1rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    animation: slideIn 0.8s ease forwards;
}

.name {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.first-name {
    display: block;
    color: var(--text-primary);
}

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

.role-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

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

.role {
    color: var(--secondary);
    font-weight: 600;
    min-width: 250px;
}

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

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

.tagline {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

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

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

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid rgba(139, 92, 246, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-5px) rotate(10deg);
    box-shadow: var(--shadow-glow);
}

/* Hero Visual - 3D Elements */
.hero-visual {
    position: relative;
    height: 500px;
    perspective: 1000px;
    animation: fadeInRight 1s ease forwards;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.floating-card {
    position: absolute;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    backdrop-filter: blur(10px);
    animation: float 6s ease-in-out infinite;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.floating-card:hover {
    transform: scale(1.1) !important;
    box-shadow: var(--shadow-glow);
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--primary);
}

.floating-card span {
    font-weight: 500;
    font-size: 0.9rem;
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 25%;
    right: 10%;
    animation-delay: 1.5s;
}

.card-3 {
    bottom: 30%;
    left: 5%;
    animation-delay: 3s;
}

.card-4 {
    bottom: 15%;
    right: 15%;
    animation-delay: 4.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-15px) rotate(2deg);
    }
    50% {
        transform: translateY(-25px) rotate(-1deg);
    }
    75% {
        transform: translateY(-10px) rotate(1deg);
    }
}

/* 3D Cube */
.hero-3d-element {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.cube {
    width: 150px;
    height: 150px;
    position: relative;
    transform-style: preserve-3d;
    animation: rotateCube 20s infinite linear;
}

@keyframes rotateCube {
    from {
        transform: rotateX(0deg) rotateY(0deg);
    }
    to {
        transform: rotateX(360deg) rotateY(360deg);
    }
}

.face {
    position: absolute;
    width: 150px;
    height: 150px;
    border: 2px solid rgba(139, 92, 246, 0.3);
    background: rgba(139, 92, 246, 0.05);
    backdrop-filter: blur(5px);
}

.front { transform: translateZ(75px); }
.back { transform: rotateY(180deg) translateZ(75px); }
.right { transform: rotateY(90deg) translateZ(75px); }
.left { transform: rotateY(-90deg) translateZ(75px); }
.top { transform: rotateX(90deg) translateZ(75px); }
.bottom { transform: rotateX(-90deg) translateZ(75px); }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: bounce 2s infinite;
}

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

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

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

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: 100px 0;
    background: var(--bg-dark);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(236, 72, 153, 0.06) 0%, transparent 40%);
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 4rem;
    align-items: start;
    position: relative;
    z-index: 1;
}

.about-card {
    position: sticky;
    top: 120px;
}

.about-image {
    position: relative;
}

.image-frame {
    width: 300px;
    height: 350px;
    background: var(--gradient-card);
    border: 2px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
}

.image-placeholder i {
    font-size: 4rem;
    color: white;
    opacity: 0.5;
    margin-bottom: 1rem;
}

.image-placeholder span {
    font-size: 5rem;
    font-weight: 800;
    color: white;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.image-decoration {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    z-index: 0;
}

.about-text {
    padding-top: 1rem;
}

.about-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.highlight {
    color: var(--primary);
    font-weight: 600;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--bg-glass);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.education-highlight {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.edu-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-glass);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

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

.edu-item i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 0.25rem;
}

.edu-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.edu-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills {
    padding: 100px 0;
    background: var(--bg-darker);
    position: relative;
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid rgba(139, 92, 246, 0.15);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition-normal);
}

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

.skill-category.full-width {
    grid-column: 1 / -1;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-icon i {
    font-size: 1.25rem;
    color: white;
}

.category-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    padding: 0.5rem 1rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.skill-tag:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    transform: scale(1.05);
}

/* ============================================
   EXPERIENCE SECTION
   ============================================ */
.experience {
    padding: 100px 0;
    background: var(--bg-dark);
    position: relative;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
}

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

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

.timeline-marker {
    position: absolute;
    left: -3rem;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--bg-dark);
    border: 3px solid var(--primary);
    border-radius: 50%;
    transform: translateX(-50%);
    transition: var(--transition-normal);
}

.timeline-item:hover .timeline-marker {
    background: var(--primary);
    box-shadow: 0 0 20px var(--primary);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid rgba(139, 92, 246, 0.15);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition-normal);
}

.timeline-item:hover .timeline-content {
    border-color: var(--primary);
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 500;
}

.timeline-type {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: white;
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.timeline-company {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.timeline-details {
    list-style: none;
    margin-bottom: 1rem;
}

.timeline-details li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timeline-details li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary);
}

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

.timeline-tags span {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-xl);
    color: var(--primary);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects {
    padding: 100px 0;
    background: var(--bg-darker);
    position: relative;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid rgba(139, 92, 246, 0.15);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.project-card.featured {
    grid-column: span 1;
}

.project-image {
    height: 200px;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-icon {
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.3;
    transition: var(--transition-normal);
}

.project-card:hover .project-icon {
    opacity: 0.5;
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 1rem;
    left: 1rem;
}

.project-category {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    border-radius: var(--radius-xl);
    color: white;
}

.project-content {
    padding: 1.5rem;
}

.project-badge {
    display: inline-block;
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    color: white;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.project-content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.project-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

.project-tech span {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
}

/* ============================================
   ACHIEVEMENTS SECTION
   ============================================ */
.achievements {
    padding: 100px 0;
    background: var(--bg-dark);
    position: relative;
}

.achievements-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.achievement-category {
    background: var(--bg-card);
    border: 1px solid rgba(139, 92, 246, 0.15);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.category-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

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

/* Award Cards */
.achievement-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.achievement-card {
    background: var(--bg-glass);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition-normal);
}

.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.achievement-card .medal {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.achievement-card.gold .medal {
    color: #ffd700;
}

.achievement-card.silver .medal {
    color: #c0c0c0;
}

.achievement-card.bronze .medal {
    color: #cd7f32;
}

.achievement-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.achievement-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Leadership Cards */
.leadership-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.leadership-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-glass);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.leadership-card:hover {
    border-color: var(--primary);
    transform: translateX(10px);
}

.leadership-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.leadership-icon i {
    font-size: 1.25rem;
    color: white;
}

.leadership-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.leadership-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

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

/* Certification Cards */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.cert-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-glass);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.cert-card:hover {
    border-color: var(--primary);
    transform: translateX(5px);
}

.cert-logo {
    width: 45px;
    height: 45px;
    min-width: 45px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-logo i {
    font-size: 1.25rem;
    color: white;
}

.cert-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

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

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: 100px 0;
    background: var(--bg-darker);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    position: relative;
    z-index: 1;
}

.contact-text h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.contact-text > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-glass);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition-normal);
}

.contact-item:hover {
    border-color: var(--primary);
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 45px;
    height: 45px;
    min-width: 45px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon i {
    font-size: 1.1rem;
    color: white;
}

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

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

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

/* Contact Form */
.contact-form-container {
    background: var(--bg-card);
    border: 1px solid rgba(139, 92, 246, 0.15);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1rem 1rem 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid rgba(139, 92, 246, 0.2);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group label {
    position: absolute;
    left: 0;
    top: 1rem;
    color: var(--text-muted);
    font-size: 1rem;
    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(--primary);
}

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

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

.contact-form .btn {
    align-self: flex-start;
    margin-top: 1rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 3rem 0;
    background: var(--bg-dark);
    border-top: 1px solid rgba(139, 92, 246, 0.1);
}

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

.footer-logo {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.footer-social a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid rgba(139, 92, 246, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-3px);
}

.copyright {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        order: 2;
    }

    .hero-visual {
        order: 1;
        height: 350px;
    }

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

    .social-links {
        justify-content: center;
    }

    .tagline {
        margin-left: auto;
        margin-right: auto;
    }

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

    .about-card {
        position: relative;
        top: 0;
        display: flex;
        justify-content: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .name {
        font-size: 3rem;
    }

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

@media (max-width: 768px) {
    .section-title {
        flex-wrap: wrap;
    }

    .title-text {
        font-size: 2rem;
    }

    .title-line {
        display: none;
    }

    .name {
        font-size: 2.5rem;
    }

    .role-container {
        flex-wrap: wrap;
        justify-content: center;
    }

    .role {
        min-width: auto;
    }

    .floating-card {
        padding: 0.75rem 1rem;
        font-size: 0.8rem;
    }

    .floating-card i {
        font-size: 1.25rem;
    }

    .cube {
        width: 100px;
        height: 100px;
    }

    .face {
        width: 100px;
        height: 100px;
    }

    .front { transform: translateZ(50px); }
    .back { transform: rotateY(180deg) translateZ(50px); }
    .right { transform: rotateY(90deg) translateZ(50px); }
    .left { transform: rotateY(-90deg) translateZ(50px); }
    .top { transform: rotateX(90deg) translateZ(50px); }
    .bottom { transform: rotateX(-90deg) translateZ(50px); }

    .skills-container {
        grid-template-columns: 1fr;
    }

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

    .timeline {
        padding-left: 2rem;
    }

    .timeline-marker {
        left: -2rem;
    }

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

@media (max-width: 480px) {
    .hero {
        padding: 100px 5% 60px;
    }

    .name {
        font-size: 2rem;
    }

    .greeting {
        font-size: 1rem;
    }

    .tagline {
        font-size: 0.95rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .hero-visual {
        height: 280px;
    }

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

    .stat-item {
        padding: 1rem 0.5rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .image-frame {
        width: 250px;
        height: 300px;
    }

    .timeline-content {
        padding: 1.25rem;
    }

    .achievement-cards {
        grid-template-columns: 1fr;
    }

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

    .contact-form-container {
        padding: 1.5rem;
    }
}

/* Hide custom cursor on touch devices */
@media (hover: none) {
    .cursor,
    .cursor-follower {
        display: none;
    }
}

/* Animations on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading animation */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}