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

:root {
    --primary-color: #00d4ff;
    --secondary-color: #7c3aed;
    --bg-dark: #0a0e27;
    --bg-light: #151a35;
    --bg-card: #1a2038;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-yellow: #f59e0b;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 60% 20%, rgba(124, 58, 237, 0.05) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
    animation: glowPulse 8s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

body::after {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 80px, rgba(0, 212, 255, 0.08) 80px, rgba(0, 212, 255, 0.08) 84px),
        repeating-linear-gradient(90deg, transparent, transparent 80px, rgba(124, 58, 237, 0.08) 80px, rgba(124, 58, 237, 0.08) 84px);
    pointer-events: none;
    z-index: 0;
    animation: gridMove 15s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(84px, 84px);
    }
}

/* Ensure content is above background */
nav, section, footer {
    position: relative;
    z-index: 1;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media (min-width: 1920px) {
    .nav-container {
        max-width: 1600px;
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.8rem;
}

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

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 120px 20px 60px;
    max-width: 1400px;
    margin: 0 auto;
    gap: 60px;
}

@media (min-width: 1920px) {
    .hero {
        max-width: 1600px;
        gap: 80px;
    }
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(120deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    min-height: 2.4rem;
    height: 2.4rem;
    line-height: 2.4rem;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

.btn {
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 212, 255, 0.3);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

#networkCanvas {
    width: 100%;
    max-width: 500px;
    height: 500px;
    border-radius: 10px;
}

/* Section Title */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* About Section */
.about {
    padding: 80px 20px;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 0;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(0, 212, 255, 0.15) 0%, transparent 60%);
    animation: aboutGlow 6s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes aboutGlow {
    0% {
        transform: translateX(-10%) scale(1);
        opacity: 0.5;
    }
    100% {
        transform: translateX(10%) scale(1.1);
        opacity: 0.8;
    }
}

.about-content {
    display: flex;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-image {
    flex: 0 0 300px;
    position: relative;
    animation: floatImage 6s ease-in-out infinite;
}

@keyframes floatImage {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(2deg);
    }
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    color: white;
    box-shadow: 
        0 20px 60px rgba(0, 212, 255, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 70%
    );
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.image-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
    animation: rotateBorder 4s linear infinite;
}

@keyframes rotateBorder {
    0% {
        filter: hue-rotate(0deg);
    }
    100% {
        filter: hue-rotate(360deg);
    }
}

.about-text {
    flex: 1;
    position: relative;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.8;
    position: relative;
    padding-left: 20px;
    border-left: 2px solid transparent;
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.05) 0%, transparent 100%);
    padding: 15px 20px;
    border-radius: 8px;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.about-text p::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.about-text p:hover::before {
    opacity: 1;
}

.about-text p:hover {
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.1) 0%, transparent 100%);
    transform: translateX(5px);
}

.quick-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
    position: relative;
}

.stat {
    text-align: center;
    padding: 2rem 1.5rem;
    background: rgba(26, 32, 56, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(124, 58, 237, 0.1));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    opacity: 0;
    transition: all 0.6s ease;
}

.stat:hover {
    transform: translateY(-10px) scale(1.05);
    border-color: var(--primary-color);
    box-shadow: 
        0 20px 40px rgba(0, 212, 255, 0.3),
        0 0 20px rgba(0, 212, 255, 0.2) inset;
}

.stat:hover::before {
    opacity: 1;
}

.stat:hover::after {
    opacity: 1;
    animation: statPulse 2s ease-out;
}

@keyframes statPulse {
    0% {
        transform: translate(0, 0) scale(0);
        opacity: 1;
    }
    100% {
        transform: translate(0, 0) scale(1);
        opacity: 0;
    }
}

.stat:nth-child(1) {
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.stat:nth-child(2) {
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.stat:nth-child(3) {
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
    display: inline-block;
    transition: all 0.4s ease;
}

.stat:hover i {
    transform: scale(1.2) rotateY(360deg);
    filter: drop-shadow(0 0 10px var(--primary-color));
}

.stat h4 {
    font-size: 2.5rem;
    margin: 0.5rem 0;
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    transition: all 0.4s ease;
}

.stat:hover h4 {
    transform: scale(1.1);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.stat p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
    position: relative;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Skills Section */
.skills {
    padding: 80px 20px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 100%;
    margin: 0 auto;
}

@media (min-width: 2400px) {
    .skills-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 2000px;
        gap: 2.5rem;
    }
}

.skill-category {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s;
}

.skill-category:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.category-icon i {
    font-size: 2rem;
    color: white;
}

.skill-category h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    transition: all 0.3s;
    flex-wrap: nowrap;
}

.skill-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(5px);
}

.skill-name {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    flex: 1;
    min-width: 0;
}

.skill-level {
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
    white-space: nowrap;
}

.skill-level.junior {
    background: rgba(251, 191, 36, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.skill-level.intermediate {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.skill-level.senior {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Experience Section */
.experience {
    padding: 80px 20px;
    background: transparent;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: 50px;
}

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

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

.timeline-dot {
    position: absolute;
    left: -56px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border: 4px solid var(--bg-light);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.timeline-content {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 10px;
    border-left: 3px solid var(--primary-color);
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
    display: block;
    margin-bottom: 1rem;
}

.timeline-content ul {
    margin-left: 1.5rem;
    color: var(--text-secondary);
}

.timeline-content ul li {
    margin-bottom: 0.5rem;
}

/* Career Section */
.career {
    padding: 80px 20px;
}

/* Experience Section */
.experience {
    padding: 80px 20px;
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

@media (min-width: 1920px) {
    .experience-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.experience-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s;
    cursor: pointer;
}

.experience-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.2);
}

.experience-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.experience-icon i {
    font-size: 2.5rem;
    color: white;
}

.experience-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

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

.experience-tags span {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    border: 1px solid rgba(0, 212, 255, 0.3);
    white-space: nowrap;
}

/* Tools & Technologies Section */
.certifications {
    padding: 80px 20px;
    background: transparent;
}

/* Tools Grid */
.tools-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 1920px) {
    .tools-container {
        max-width: 1400px;
    }
}

.tool-item {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s;
    cursor: pointer;
}

.tool-item:hover {
    transform: translateY(-5px) scale(1.05);
    border-color: var(--primary-color);
    box-shadow: 0 10px 25px rgba(0, 212, 255, 0.2);
}

.tool-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    transition: all 0.3s;
}

.tool-item:hover i {
    transform: scale(1.1);
    filter: drop-shadow(0 0 10px var(--primary-color));
}

.tool-item span {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
}

/* Social Links Section */
.social-section {
    padding: 60px 20px;
}

.social-section .social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--bg-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.3rem;
    transition: all 0.3s;
}

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

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.5);
}

.scroll-to-top:active {
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--bg-light);
    padding: 2rem 20px;
    text-align: center;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer p {
    color: var(--text-secondary);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

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

    .about-content {
        flex-direction: column;
        text-align: center;
    }

    .about-image {
        flex: none;
    }

    .quick-stats {
        grid-template-columns: 1fr;
    }

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-dark);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem;
        gap: 1rem;
    }

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

    .hamburger {
        display: flex;
    }
}

@media (max-width: 640px) {
    .hero h1 {
        font-size: 2rem;
    }

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

    .image-placeholder {
        width: 200px;
        height: 200px;
        font-size: 5rem;
    }

    .about-image {
        flex: 0 0 200px;
    }

    #networkCanvas {
        height: 300px;
    }
}