/* ===============================================
   AVINASH KUMAR - PROFESSIONAL PORTFOLIO
   Modern, Unique & Beautiful Design
   =============================================== */

/* CSS Variables */
:root {
    /* Color Palette - Vibrant Cyan/Teal Theme */
    --primary: #00d9ff;
    --primary-dark: #00b8d9;
    --primary-light: #67e8f9;
    --primary-glow: rgba(0, 217, 255, 0.3);
    
    --secondary: #ff6b6b;
    --accent: #ffd93d;
    
    /* Background Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: rgba(26, 26, 37, 0.8);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
    --gradient-hero: linear-gradient(180deg, rgba(0, 217, 255, 0.1) 0%, transparent 50%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 100%);
    
    /* Typography */
    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px var(--primary-glow);
}

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

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

::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Container */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===============================================
   ANIMATED BACKGROUND
   =============================================== */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 217, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 217, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

.gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: -1;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    bottom: 20%;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.08) 0%, transparent 70%);
    top: 50%;
    right: 10%;
    animation-delay: -14s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, 50px) scale(1.1); }
    50% { transform: translate(-30px, 80px) scale(0.95); }
    75% { transform: translate(40px, -40px) scale(1.05); }
}

/* ===============================================
   CUSTOM CURSOR
   =============================================== */
.cursor, .cursor-follower {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transform: translate(-50%, -50%);
}

.cursor {
    width: 8px;
    height: 8px;
    background: var(--text-primary);
    transition: transform 0.1s ease;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: transform 0.3s ease, width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
}

.cursor-follower.active {
    width: 60px;
    height: 60px;
    border-color: var(--primary);
}

@media (max-width: 1024px) {
    .cursor, .cursor-follower {
        display: none;
    }
}

/* ===============================================
   NAVIGATION
   =============================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    background: transparent;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 4px;
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -1px;
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-normal);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-normal);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--primary-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(0, 217, 255, 0.1);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

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

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

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-primary);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

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

.mobile-nav-links li {
    margin: 25px 0;
}

.mobile-nav-links a {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

@media (max-width: 900px) {
    .nav-links, .nav-actions .btn {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
}

/* ===============================================
   HERO SECTION
   =============================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 30px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.hero-title {
    margin-bottom: 25px;
}

.title-line {
    display: block;
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.title-name {
    display: block;
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: 10px;
}

.title-role {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.title-role .highlight {
    color: var(--primary);
    background: linear-gradient(90deg, var(--primary), #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 500px;
    margin-bottom: 35px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
}

.hero-cta .btn i {
    transition: transform var(--transition-normal);
}

.hero-cta .btn:hover i {
    transform: translateX(5px);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 40px;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

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

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 5px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
}

.hero-image-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.3; }
}

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

/* Code Window */
.code-window {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.code-header .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27ca40; }

.file-name {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.code-body {
    padding: 25px;
}

.code-body pre {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
}

.code-body code {
    color: var(--text-secondary);
}

.code-body .keyword { color: #c792ea; }
.code-body .variable { color: #82aaff; }
.code-body .property { color: #f07178; }
.code-body .string { color: #c3e88d; }
.code-body .function { color: #82aaff; }

/* Floating Tech Icons */
.floating-tech {
    position: absolute;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
    animation: float 6s ease-in-out infinite;
    z-index: 3;
}

.floating-tech i {
    color: var(--text-secondary);
    transition: color var(--transition-normal);
}

.floating-tech:hover i {
    color: var(--primary);
}

.tech-1 { top: 10%; left: -20px; animation-delay: 0s; }
.tech-1 i { color: #e34c26; }
.tech-2 { top: 30%; right: -10px; animation-delay: -1s; }
.tech-2 i { color: #264de4; }
.tech-3 { bottom: 30%; left: -30px; animation-delay: -2s; }
.tech-3 i { color: #f0db4f; }
.tech-4 { bottom: 10%; right: 20px; animation-delay: -3s; }
.tech-4 i { color: #21759b; }
.tech-5 { top: 60%; right: -20px; animation-delay: -4s; }
.tech-5 i { color: #7952b3; }

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.scroll-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { height: 60px; opacity: 1; }
    50% { height: 40px; opacity: 0.5; }
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .title-name {
        font-size: 3rem;
    }
    
    .title-role {
        font-size: 1.5rem;
    }
    
    .hero-description {
        margin: 0 auto 35px;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
}

@media (max-width: 600px) {
    .title-name {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .stat-divider {
        display: none;
    }
}

/* ===============================================
   SECTION STYLES (Common)
   =============================================== */
section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.section-line {
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    margin: 0 auto;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image .image-frame {
    position: relative;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-image .image-frame::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    width: calc(100% - 40px);
    height: calc(100% - 40px);
    max-width: 350px;
    max-height: 420px;
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    transform: translate(15px, 15px);
    z-index: 0;
    opacity: 0.6;
}

@media (max-width: 900px) {
    .about-image .image-frame::before {
        max-width: 280px;
        max-height: 340px;
    }
}

@media (max-width: 600px) {
    .about-image .image-frame::before {
        max-width: 240px;
        max-height: 300px;
    }
}

.image-placeholder {
    position: relative;
    z-index: 1;
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.profile-image {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 350px;
    height: 420px;
    object-fit: cover;
    object-position: top center;
    border-radius: var(--radius-lg);
    border: 3px solid rgba(0, 217, 255, 0.3);
    box-shadow: 
        0 0 30px rgba(0, 217, 255, 0.2),
        0 20px 40px rgba(0, 0, 0, 0.4);
    filter: saturate(0.9) contrast(1.05);
    transition: all var(--transition-normal);
}

.profile-image:hover {
    transform: scale(1.03) translateY(-5px);
    border-color: var(--primary);
    filter: saturate(1) contrast(1.1) brightness(1.05);
    box-shadow: 
        0 0 50px rgba(0, 217, 255, 0.4),
        0 25px 50px rgba(0, 0, 0, 0.5);
}

/* Profile image overlay glow effect */
.image-frame {
    position: relative;
}

.image-frame::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

@media (max-width: 900px) {
    .profile-image {
        max-width: 280px;
        height: 340px;
    }
}

@media (max-width: 600px) {
    .profile-image {
        max-width: 240px;
        height: 300px;
    }
}

.experience-badge {
    position: absolute;
    bottom: 0;
    right: -10px;
    z-index: 3;
    background: var(--gradient-primary);
    padding: 18px 22px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.4),
        0 0 20px rgba(0, 217, 255, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 900px) {
    .experience-badge {
        bottom: 10px;
        right: 0;
        padding: 15px 18px;
    }
}

@media (max-width: 600px) {
    .experience-badge {
        padding: 12px 15px;
    }
}

.exp-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--bg-primary);
}

.exp-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--bg-primary);
    line-height: 1.3;
}

.about-text {
    position: relative;
}

.about-heading {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 25px;
    line-height: 1.4;
}

.about-heading .highlight {
    color: var(--primary);
}

.about-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 30px 0;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--text-secondary);
}

.highlight-item i {
    color: var(--primary);
    font-size: 1.2rem;
}

.about-cta {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-top: 35px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 1.2rem;
    text-decoration: none;
    transition: all var(--transition-normal);
}

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

@media (max-width: 900px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .about-image {
        max-width: 350px;
        margin: 0 auto;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .about-cta {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ===============================================
   EXPERIENCE SECTION
   =============================================== */
.experience-section {
    background: var(--bg-primary);
}

.timeline-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.timeline-heading {
    display: flex;
    align-items: center;
    gap: 15px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 40px;
}

.timeline-heading i {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 217, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--primary);
}

.timeline {
    position: relative;
}

.timeline-item {
    display: flex;
    gap: 25px;
    margin-bottom: 40px;
    position: relative;
}

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

.timeline-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.marker-dot {
    width: 16px;
    height: 16px;
    background: var(--gradient-primary);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 20px var(--primary-glow);
}

.marker-line {
    width: 2px;
    flex-grow: 1;
    background: linear-gradient(to bottom, var(--primary), transparent);
    margin-top: 10px;
}

.timeline-item:last-child .marker-line {
    display: none;
}

.timeline-content {
    flex-grow: 1;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: 25px;
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    border-color: rgba(0, 217, 255, 0.3);
    transform: translateX(10px);
}

.timeline-date {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 15px;
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.timeline-company {
    display: block;
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

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

.timeline-details {
    list-style: none;
    padding: 0;
}

.timeline-details li {
    position: relative;
    padding-left: 20px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

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

/* Certifications */
.certifications {
    margin-top: 80px;
}

.cert-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.cert-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: 25px;
    transition: all var(--transition-normal);
}

.cert-card:hover {
    border-color: rgba(0, 217, 255, 0.3);
    transform: translateY(-5px);
}

.cert-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 217, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 1.8rem;
    color: var(--primary);
}

.cert-info h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.cert-issuer {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.cert-date {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 5px;
}

@media (max-width: 900px) {
    .timeline-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

/* ===============================================
   PROJECTS SECTION
   =============================================== */
.projects-section {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.project-card:hover {
    border-color: rgba(0, 217, 255, 0.3);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--primary);
    transition: transform var(--transition-slow);
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.overlay-content {
    display: flex;
    gap: 15px;
}

.project-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    border-radius: 50%;
    color: var(--bg-primary);
    font-size: 1.2rem;
    text-decoration: none;
    transform: translateY(20px);
    opacity: 0;
    transition: all var(--transition-normal);
}

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

.project-card:hover .project-link:nth-child(2) {
    transition-delay: 0.1s;
}

.project-link:hover {
    background: var(--text-primary);
    transform: scale(1.1);
}

.project-info {
        padding: 25px;
    }

.project-category {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.project-description {
        font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tech span {
    padding: 5px 12px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--primary);
}

@media (max-width: 600px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* Projects CTA */
.projects-cta {
    text-align: center;
    margin-top: 60px;
}

.projects-cta .btn {
    gap: 12px;
}

.projects-cta .btn i {
    font-size: 1.3rem;
}

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

.skills-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 30px;
    transition: all var(--transition-normal);
}

.skill-category:hover {
    border-color: rgba(0, 217, 255, 0.2);
}

.category-title {
    display: flex;
    align-items: center;
    gap: 15px;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 25px;
}

.category-title i {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
        justify-content: center;
    background: rgba(0, 217, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--primary);
}

.skills-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 15px;
}

.skill-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
}

.skill-icon i {
    color: var(--text-secondary);
}

.skill-name {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.skill-bar {
    width: 100px;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    width: 0;
    transition: width 1.5s ease;
}

@media (max-width: 900px) {
    .skills-categories {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .skill-item {
        grid-template-columns: auto 1fr;
    }
    
    .skill-bar {
        grid-column: 1 / -1;
        width: 100%;
    }
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.contact-info > p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 35px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 217, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 1.3rem;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-text .label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.contact-text a,
.contact-text span {
    font-size: 1.05rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

.contact-socials {
    margin-top: 40px;
}

.contact-socials h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
        font-size: 1.3rem;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-icon:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--bg-primary);
    transform: translateY(-5px);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
        font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: 15px 20px;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all var(--transition-normal);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 20px var(--primary-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

@media (max-width: 900px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}

/* ===============================================
   FOOTER
   =============================================== */
.footer {
    background: var(--bg-primary);
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 25px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 4px;
}

.footer-logo .logo-text {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.footer-text {
         font-size: 1rem;
    color: var(--text-secondary);
}

.footer-text .highlight {
    color: var(--primary);
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-normal);
}

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

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

/* ===============================================
   BACK TO TOP BUTTON
   =============================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: var(--bg-primary);
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 100;
    box-shadow: var(--shadow-glow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ===============================================
   ANIMATIONS
   =============================================== */
.animate-on-scroll {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

/* Animation classes for when JS loads */
.js-loaded .animate-on-scroll:not(.animated) {
    opacity: 0;
    transform: translateY(30px);
}

.animate-on-scroll.animated {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Staggered Animation Delays */
.animate-on-scroll:nth-child(1) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(2) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.5s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.6s; }

/* ===============================================
   RESPONSIVE UTILITIES
   =============================================== */
@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .section-header {
        margin-bottom: 50px;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 60px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .btn-large {
        padding: 14px 28px;
    }
}