/* ============================================
   Obsession Engineering Inspired Styles
   Minimal, Modern, Dark Design
   ============================================ */

:root {
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: #0f0f0f;
    --border-color: #1a1a1a;
    --accent-color: #ffffff;
    --highlight-color: #ffffff;
    --link-color: #ffffff;
    --link-hover: #cccccc;
    --container-width: 90vw;
    --max-width: 1400px;
    --spacing-unit: 1.5rem;
    /* Scroll-based color variables - Modern purple/blue theme */
    --scroll-progress: 0;
    --scroll-intensity: 0;
    --accent-r: 138;
    --accent-g: 43;
    --accent-b: 226;
    --highlight-r: 255;
    --highlight-g: 200;
    --highlight-b: 87;
    /* 3D Transform Variables */
    --card-rotate-y: 0deg;
}

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

/* Performance: GPU acceleration for animations */
/* Only use will-change when actually animating - managed by JS */
.card,
.hero-section,
.nav {
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Performance: Optimize font rendering */
body,
.nav-logo,
.hero-title,
.card-title {
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    /* Removed scroll-behavior: smooth for better performance */
    /* Use JavaScript smooth scrolling only when needed */
    font-size: 16px;
    /* Performance optimizations */
    text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    /* GPU acceleration */
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

body {
    font-family: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    cursor: none;
    min-height: 100vh;
    position: relative;
    /* Body content hidden initially - shown by JS after loader */
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

/* Ensure body content is visible on mobile immediately */
body.mobile {
    opacity: 1 !important;
    visibility: visible !important;
}

/* Fallback: Show default cursor if custom cursor fails */
body:not(.mobile) .cursor:not([style*="opacity: 1"]) {
    cursor: auto !important;
}

body.mobile {
    cursor: auto;
}

/* ============================================
   Custom Cursor
   ============================================ */

.cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-primary);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 99999 !important;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
    mix-blend-mode: difference;
    opacity: 1 !important;
    visibility: visible !important;
}

.cursor-follower {
    width: 8px;
    height: 8px;
    background: var(--text-primary);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 99998 !important;
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease;
    mix-blend-mode: difference;
    opacity: 1 !important;
    visibility: visible !important;
}

.cursor.hover {
    width: 60px;
    height: 60px;
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* ============================================
   Loading Screen
   ============================================ */

.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 10000 !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    pointer-events: none;
    opacity: 1 !important;
    visibility: visible !important;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    display: none !important;
}

@media (max-width: 768px) {
    .loader {
        display: none !important;
        opacity: 0;
        visibility: hidden;
    }
}

.loader-content {
    text-align: center;
    width: 300px;
}

.loader-text {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    letter-spacing: 0.1em;
    font-family: 'Space Grotesk', sans-serif;
    animation: pulse 2s ease-in-out infinite;
}

.loader-progress {
    width: 100%;
    height: 2px;
    background: var(--border-color);
    position: relative;
    overflow: hidden;
}

.loader-bar {
    height: 100%;
    background: var(--text-primary);
    width: 0%;
    animation: loading 1.5s ease-in-out forwards;
}

@keyframes loading {
    0% {
        width: 0%;
    }
    100% {
        width: 100%;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ============================================
   Navigation
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
    transition: all 0.3s ease;
    /* 3D navigation effects */
    transform-style: preserve-3d;
    will-change: transform;
}

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

.nav-logo {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    font-family: 'Space Grotesk', sans-serif;
    transition: transform 0.3s ease, letter-spacing 0.3s ease;
    cursor: pointer;
}

.nav-logo:hover {
    transform: scale(1.05);
    letter-spacing: 0.02em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
    text-transform: lowercase;
    transition: color 0.3s ease;
    position: relative;
    font-family: 'Space Grotesk', sans-serif;
    opacity: 1 !important; /* Ensure desktop nav links are always visible */
    transform: none !important; /* Reset any transforms on desktop */
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-primary);
    transition: width 0.3s ease;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
    width: 32px;
    height: 32px;
    padding: 4px;
    background: transparent;
    border: none;
    position: relative;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.nav-toggle:hover {
    transform: scale(1.1);
}

.nav-toggle:active {
    transform: scale(0.95);
}

.nav-toggle span {
    width: 26px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-origin: center;
    position: relative;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.nav-toggle:hover span {
    background: var(--highlight-color);
    box-shadow: 0 2px 8px rgba(138, 43, 226, 0.4);
    height: 3.5px;
}

/* Subtle pulse animation on hover */
.nav-toggle:hover span:nth-child(1) {
    animation: pulseLine 1.5s ease-in-out infinite;
}

.nav-toggle:hover span:nth-child(3) {
    animation: pulseLine 1.5s ease-in-out infinite 0.3s;
}

@keyframes pulseLine {
    0%, 100% {
        opacity: 1;
        transform: scaleX(1);
    }
    50% {
        opacity: 0.7;
        transform: scaleX(1.1);
    }
}

/* Active state - X animation */
.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
    width: 26px;
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
    width: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
    width: 26px;
}

/* ============================================
   Hero Section
   ============================================ */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    /* Keep hero section static - no transform on scroll */
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    will-change: transform;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    bottom: -150px;
    right: -150px;
    animation-delay: 5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-content {
    max-width: var(--max-width);
    width: 100%;
    position: relative;
    z-index: 1;
    padding-bottom: 5rem;
}

.hero-title-wrapper,
.hero-subtitle-wrapper,
.hero-description-wrapper {
    overflow: hidden;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 8rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.04em;
    line-height: 1.1;
    font-family: 'Space Grotesk', sans-serif;
    transform: translateY(100%);
    animation: slideUp 1s ease-out 0.5s forwards;
    display: inline-block;
    /* 3D text effects */
    transform-style: preserve-3d;
    backface-visibility: hidden;
    will-change: transform, text-shadow;
    transition: transform 0.3s ease, text-shadow 0.3s ease;
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    transform: translateY(100%);
    animation: slideUp 1s ease-out 0.7s forwards;
    font-family: 'Space Grotesk', sans-serif;
}

.hero-description {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-weight: 300;
    transform: translateY(100%);
    animation: slideUp 1s ease-out 0.9s forwards;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    z-index: 2;
    pointer-events: none;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--text-secondary);
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--text-secondary);
    border-bottom: 2px solid var(--text-secondary);
    transform: rotate(45deg);
}

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

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

/* ============================================
   Looping Text Banner
   ============================================ */

.loop-banner {
    width: 100%;
    overflow: hidden;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 0;
    position: relative;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.loop-text {
    display: flex;
    white-space: nowrap;
    animation: loop 30s linear infinite;
    font-size: clamp(1.5rem, 3vw, 3rem);
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    text-transform: uppercase;
    will-change: transform;
}

.loop-text span {
    padding: 0 4rem;
    display: inline-block;
    flex-shrink: 0;
}

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

/* ============================================
   Main Content
   ============================================ */

.main-content {
    width: var(--container-width);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 6rem 2rem;
    position: relative;
    z-index: 1;
}

.content-section {
    margin-bottom: 8rem;
    position: relative;
    /* Removed blur transition - keep sections clear */
    filter: none !important;
    /* 3D section transforms */
    transform-style: preserve-3d;
    will-change: transform;
    backface-visibility: hidden;
}

.content-section .scroll-color-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
    border-radius: 50%;
    transition: background 0.5s ease, opacity 0.5s ease;
    opacity: 0.3;
    filter: blur(60px);
    mix-blend-mode: screen;
}

.content-section > * {
    position: relative;
    z-index: 1;
}

/* ============================================
   About Section Background Images
   ============================================ */

.about-background-images {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
    opacity: 1;
    /* Performance optimization - contain layout */
    contain: layout style paint;
    /* GPU acceleration */
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.hackathon-image-bg {
    position: absolute;
    width: 350px;
    height: 250px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(3px) grayscale(10%) brightness(1.05);
    opacity: 0.85;
    border-radius: 12px;
    animation: floatImage 30s ease-in-out infinite;
    /* Optimized will-change - only transform for animation */
    will-change: transform;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    /* Contain layout to prevent overflow */
    contain: layout style paint;
    /* No parallax - images stay in place */
    transform: translateZ(0);
}

.hackathon-image-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: inherit;
    border-radius: inherit;
    filter: blur(0);
    opacity: 0.3;
    z-index: -1;
}

.image-1 {
    top: 15%;
    right: 2%;
    animation-delay: 0s;
}

.image-2 {
    bottom: 25%;
    right: 8%;
    animation-delay: 10s;
}

.image-3 {
    top: 55%;
    right: 3%;
    animation-delay: 20s;
}

.image-4 {
    bottom: 10%;
    right: 10%;
    animation-delay: 15s;
}

@keyframes floatImage {
    0%, 100% {
        transform: translate3d(0, 0, 0) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translate3d(-10px, -15px, 0) scale(1.02);
        opacity: 0.9;
    }
}

/* Performance: Optimize animations with GPU acceleration */
.hackathon-image-bg {
    /* Use transform3d for better GPU acceleration */
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    /* Note: transform is handled by animation, don't override here */
}

#about .section-content {
    position: relative;
    z-index: 1;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-label {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 3rem;
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.section-label::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 1px;
    background: var(--text-secondary);
    opacity: 0.5;
}

.section-content {
    max-width: 900px;
}

.large-text {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 2rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.large-text .word {
    display: inline-block;
    perspective: 1000px;
}

.about-details {
    margin-top: 3rem;
}

.about-details p {
    font-size: clamp(1rem, 1.2vw, 1.125rem);
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* ============================================
   Cards Grid
   ============================================ */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    /* Performance: Contain layout for better rendering */
    contain: layout style;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px) rotateY(var(--card-rotate-y));
    border-radius: 8px;
    transform-style: preserve-3d;
    will-change: transform;
    /* Ensure cards are always sharp and clear */
    filter: none !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.card.visible {
    opacity: 1;
    transform: translateY(0) rotateY(var(--card-rotate-y));
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
    pointer-events: none;
}

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

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.card:hover {
    transform: translateY(-4px) rotateY(var(--card-rotate-y));
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(138, 43, 226, 0.2);
}

.card:hover::after {
    opacity: 1;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.card-title {
    font-size: clamp(1.25rem, 1.5vw, 1.5rem);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    flex: 1;
    min-width: 0;
    letter-spacing: -0.01em;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    font-family: 'Space Grotesk', sans-serif;
    /* Ensure sharp text rendering */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    filter: none !important;
}

.card-tag {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    flex-shrink: 0;
    align-self: flex-start;
    margin-top: 0.25rem;
}

.card-company {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 400;
    /* Ensure sharp text rendering */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    filter: none !important;
}

.card-description {
    font-size: clamp(0.95rem, 1.1vw, 1rem);
    line-height: 1.75;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
    /* Ensure sharp text rendering */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    filter: none !important;
}

.card-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.card-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.card-links a::after {
    content: '→';
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
    display: inline-block;
}

.card-links a:hover {
    color: var(--link-hover);
}

.card-links a:hover::after {
    transform: translateX(5px);
}

/* ============================================
   Text Formatting
   ============================================ */

.highlight {
    color: var(--text-primary);
    font-weight: 600;
    transition: color 0.3s ease;
}

.tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    font-size: 0.85em;
    font-weight: 500;
    color: var(--text-secondary);
    margin: 0 0.2rem;
    vertical-align: middle;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    font-size: 0.85em;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0 0.2rem;
    vertical-align: middle;
}

/* ============================================
   Skills Section
   ============================================ */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    transition: all 0.4s ease;
}

.skill-card:hover {
    border-color: var(--text-primary);
    transform: translateY(-3px);
}

.skill-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

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

.skill-tags .tag {
    margin: 0;
}

/* ============================================
   Contact Section
   ============================================ */

.contact-info {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.contact-info a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.contact-info a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-primary);
    transition: width 0.3s ease;
}

.contact-info a:hover::after {
    width: 100%;
}

.contact-response {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 300;
}

.contact-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.contact-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.contact-links a::after {
    content: '→';
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
    display: inline-block;
}

.contact-links a:hover {
    color: var(--link-hover);
}

.contact-links a:hover::after {
    transform: translateX(5px);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    width: var(--container-width);
    max-width: var(--max-width);
    margin: 6rem auto 3rem;
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    opacity: 0;
    animation: fadeIn 1s ease 1s forwards;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 300;
    font-family: 'Space Grotesk', sans-serif;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* ============================================
   Links
   ============================================ */

a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--link-hover);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    :root {
        --container-width: 92vw;
    }

    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 1.5rem;
    }

    .card-header {
        flex-wrap: wrap;
    }

    .card-title {
        line-height: 1.5;
        margin-bottom: 0.5rem;
    }

    .card-tag {
        margin-top: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --container-width: 95vw;
    }

    body {
        cursor: auto;
    }

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

    .nav-container {
        padding: 0 1.5rem;
    }

    .nav-menu {
        position: fixed;
        top: -100%;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        flex-direction: column;
        padding: 8rem 2rem 2rem;
        gap: 0;
        transition: top 0.25s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.25s;
        z-index: 998;
        overflow-y: auto;
        border-bottom: 1px solid var(--border-color);
        visibility: hidden;
        pointer-events: none;
    }

    .nav-menu.active {
        top: 0;
        visibility: visible;
        pointer-events: auto;
    }

    .nav-menu::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--text-primary), transparent);
        opacity: 0.3;
    }

    .nav-link {
        font-size: 1.5rem;
        padding: 1.5rem 0;
        font-weight: 500;
        width: 100%;
        text-align: left;
        border-bottom: 1px solid var(--border-color);
        transition: all 0.3s ease;
        position: relative;
        opacity: 0;
        transform: translateY(-20px);
    }

    .nav-menu.active .nav-link {
        animation: slideDownNav 0.3s ease forwards;
    }

    .nav-menu.active .nav-link:nth-child(1) { animation-delay: 0.02s; }
    .nav-menu.active .nav-link:nth-child(2) { animation-delay: 0.04s; }
    .nav-menu.active .nav-link:nth-child(3) { animation-delay: 0.06s; }
    .nav-menu.active .nav-link:nth-child(4) { animation-delay: 0.08s; }
    .nav-menu.active .nav-link:nth-child(5) { animation-delay: 0.1s; }
    .nav-menu.active .nav-link:nth-child(6) { animation-delay: 0.12s; }

    @keyframes slideDownNav {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* Faster closing - immediately hide links when menu closes */
    .nav-menu:not(.active) .nav-link {
        animation: none;
        opacity: 0;
        transform: translateY(-20px);
        transition: opacity 0.15s ease, transform 0.15s ease;
    }

    .nav-link:hover {
        padding-left: 1rem;
        color: var(--text-primary);
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .nav-toggle {
        display: flex;
    }

    /* Ensure loader doesn't show on mobile - force hide */
    .loader {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
        z-index: -1 !important;
        pointer-events: none !important;
    }

    .hero-section {
        padding: 6rem 1.5rem 3rem;
        min-height: 90vh;
    }

    .hero-title {
        font-size: clamp(2.5rem, 12vw, 4rem);
        margin-bottom: 1.5rem;
    }

    .hero-subtitle {
        font-size: clamp(1.25rem, 5vw, 1.75rem);
        margin-bottom: 2rem;
    }

    .hero-description {
        font-size: clamp(0.95rem, 3vw, 1.1rem);
    }

    .hero-content {
        padding-bottom: 4rem;
    }

    .hero-scroll-indicator {
        bottom: 0.5rem;
    }

    .gradient-orb {
        filter: blur(60px);
        opacity: 0.2;
    }

    .orb-1 {
        width: 300px;
        height: 300px;
    }

    .orb-2 {
        width: 250px;
        height: 250px;
    }

    .orb-3 {
        width: 200px;
        height: 200px;
    }

    .main-content {
        padding: 4rem 1.5rem;
    }

    .content-section {
        margin-bottom: 5rem;
    }

    .section-label {
        font-size: 0.9rem;
        margin-bottom: 2rem;
    }

    .large-text {
        font-size: clamp(1.1rem, 4vw, 1.4rem);
        margin-bottom: 1.5rem;
    }

    .about-details p {
        font-size: clamp(0.95rem, 3vw, 1.05rem);
        margin-bottom: 1.25rem;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .card {
        padding: 2rem 1.5rem;
        transform: translateY(0) !important;
    }

    .card:hover {
        transform: translateY(-5px) scale(1.01) !important;
    }

    .card-title {
        font-size: clamp(1.1rem, 4vw, 1.35rem);
    }

    .card-description {
        font-size: clamp(0.9rem, 3vw, 1rem);
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .skill-card {
        padding: 1.5rem;
    }

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

    .contact-info a,
    .contact-links a {
        font-size: 1rem;
        padding: 0.75rem 0;
    }

    .loop-banner {
        padding: 1.5rem 0;
    }

    .loop-text {
        font-size: clamp(1.25rem, 5vw, 2rem);
    }

    .hackathon-image-bg {
        width: 280px;
        height: 200px;
        filter: blur(2px) grayscale(5%) brightness(1.05);
        opacity: 0.8;
    }

    .image-1 {
        top: 10%;
        right: 0;
    }

    .image-2 {
        bottom: 20%;
        right: 5%;
    }

    .image-3 {
        top: 50%;
        right: 2%;
    }

    .image-4 {
        bottom: 15%;
        right: 8%;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }

    .nav-logo {
        font-size: 0.9rem;
    }

    .hero-section {
        padding: 5rem 1rem 2rem;
        min-height: 85vh;
    }

    .hero-title {
        font-size: clamp(2rem, 10vw, 3.5rem);
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: clamp(1.1rem, 4vw, 1.5rem);
    }

    .hero-description {
        font-size: clamp(0.9rem, 3vw, 1rem);
    }

    .main-content {
        padding: 3rem 1rem;
    }

    .content-section {
        margin-bottom: 4rem;
    }

    .section-label {
        font-size: 0.85rem;
        margin-bottom: 1.5rem;
    }

    .large-text {
        font-size: clamp(1rem, 4vw, 1.25rem);
    }

    .card {
        padding: 1.5rem 1.25rem;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        margin-bottom: 1.25rem;
    }

    .card-tag {
        margin-top: 0;
        align-self: flex-start;
    }

    .card-title {
        font-size: clamp(1rem, 4vw, 1.2rem);
    }

    .card-tag {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }

    .card-description {
        font-size: clamp(0.85rem, 3vw, 0.95rem);
    }

    .card-links {
        gap: 1rem;
        padding-top: 1rem;
    }

    .card-links a {
        font-size: 0.85rem;
    }

    .skill-card {
        padding: 1.25rem;
    }

    .skill-title {
        font-size: 1rem;
        margin-bottom: 1rem;
    }

    .tag {
        font-size: 0.75rem;
        padding: 0.15rem 0.5rem;
    }

    .loader-text {
        font-size: 1.5rem;
    }

    .loop-text {
        font-size: clamp(1rem, 4vw, 1.5rem);
    }

    .loop-text span {
        padding: 0 2rem;
    }

    .hackathon-image-bg {
        width: 200px;
        height: 140px;
        filter: blur(1px) grayscale(0%) brightness(1.05);
        opacity: 0.75;
    }
}

/* ============================================
   Particle Canvas - REMOVED for performance
   ============================================ */

/* ============================================
   Easter Egg Animations
   ============================================ */

@keyframes popIn {
    from {
        transform: translate(-50%, -50%) scale(0);
        opacity: 0;
    }
    to {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
}

@keyframes popOut {
    from {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    to {
        transform: translate(-50%, -50%) scale(0);
        opacity: 0;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* ============================================
   Scroll Progress Bar
   ============================================ */

.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #8a2be2, #1e90ff, #ffc857, #8a2be2);
    background-size: 200% 100%;
    z-index: 10000;
    transition: width 0.1s ease;
    animation: gradientShift 3s ease infinite;
    box-shadow: 0 0 10px rgba(138, 43, 226, 0.5);
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ============================================
   Blog Section Styles - Horizontal Carousel
   ============================================ */

.blog-carousel-wrapper {
    position: relative;
    margin-top: 3rem;
    padding: 0 3rem;
}

.blog-carousel {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    scroll-snap-type: none;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
    padding: 1rem 0 2rem;
    cursor: grab;
    /* Critical performance optimizations */
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: scroll-position;
    /* Smooth momentum scrolling */
    overscroll-behavior-x: contain;
    /* Prevent layout shifts during scroll */
    contain: layout style paint;
    /* Hardware acceleration */
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    /* Smooth scrolling on all browsers */
    scroll-padding: 0;
    /* Reduce repaints */
    isolation: isolate;
}

.blog-carousel::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.blog-carousel:active {
    cursor: grabbing;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
    position: relative;
    flex: 0 0 320px;
    scroll-snap-align: start;
    /* GPU acceleration for smooth scrolling */
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    /* Optimize rendering */
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    /* Prevent repaints during scroll */
    contain: layout style paint;
}

.blog-card:hover {
    transform: translateY(-8px) translateZ(0);
    border-color: var(--text-primary);
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.05);
}

.blog-cover {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-secondary);
    display: block;
}

.blog-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.blog-read-time {
    color: var(--text-muted);
}

.blog-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.blog-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.blog-title a:hover {
    color: var(--highlight-color);
}

.blog-brief {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.blog-tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.blog-tag:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.blog-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    align-self: flex-start;
    margin-top: auto;
}

.blog-link:hover {
    color: var(--highlight-color);
    transform: translateX(4px);
}

/* Navigation Buttons */
.blog-carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    color: var(--text-primary);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.blog-carousel-nav:hover {
    background: rgba(0, 0, 0, 0.95);
    border-color: var(--text-primary);
    transform: translateY(-50%) scale(1.1);
}

.blog-carousel-nav:active {
    transform: translateY(-50%) scale(0.95);
}

.blog-carousel-nav.prev {
    left: 0;
}

.blog-carousel-nav.next {
    right: 0;
}

.blog-carousel-nav svg {
    width: 20px;
    height: 20px;
}

/* Scroll Indicator */
.blog-scroll-indicator-wrapper {
    position: absolute;
    bottom: 0;
    left: 3rem;
    right: 3rem;
    height: 3px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.blog-scroll-indicator {
    height: 100%;
    background: linear-gradient(90deg, #8a2be2, #1e90ff, #ffc857);
    background-size: 200% 100%;
    border-radius: 2px;
    transition: width 0.3s ease;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.blog-loading,
.blog-empty,
.blog-error {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    min-width: 100%;
}

.blog-error a {
    color: var(--text-primary);
    text-decoration: underline;
}

/* Mobile Blog Styles */
@media (max-width: 768px) {
    .blog-carousel-wrapper {
        padding: 0 1rem;
    }

    .blog-carousel {
        gap: 1rem;
        padding: 0.5rem 0 1.5rem;
    }

    .blog-card {
        flex: 0 0 280px;
        border-radius: 8px;
    }

    .blog-cover {
        height: 180px;
    }

    .blog-content {
        padding: 1.25rem;
    }

    .blog-title {
        font-size: 1.1rem;
    }

    .blog-brief {
        font-size: 0.9rem;
        -webkit-line-clamp: 2;
    }

    .blog-carousel-nav {
        width: 40px;
        height: 40px;
        opacity: 0.7;
    }

    .blog-carousel-nav svg {
        width: 16px;
        height: 16px;
    }

    .blog-scroll-indicator-wrapper {
        left: 1rem;
        right: 1rem;
    }
}

/* ============================================
   Word Animation Styles
   ============================================ */

.word {
    display: inline-block;
    transform-style: preserve-3d;
    backface-visibility: hidden;
}

/* ============================================
   Accessibility
   ============================================ */

:focus-visible {
    outline: 2px solid var(--text-primary);
    outline-offset: 4px;
}

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

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

/* ============================================
   Smooth Scrolling
   ============================================ */

@media (prefers-reduced-motion: no-preference) {
    /* Disabled smooth scrolling for better performance */
    /* Use JavaScript smooth scrolling only when explicitly needed (e.g., anchor links) */
    /* html {
        scroll-behavior: smooth;
    } */
}

@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;
    }
    
}

/* ============================================
   Performance Optimizations
   ============================================ */

/* GPU acceleration for all animated elements */
.card,
.hero-title,
.nav,
.content-section,
.hackathon-image-bg,
.gradient-orb {
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Optimize rendering */
body {
    contain: layout style;
}

/* Font optimization - handled by Google Fonts with display=swap */

/* Reduce repaints */

/* Optimize scroll performance */
html {
    scroll-padding-top: 80px;
}