/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #00d4ff;
    --secondary-color: #0099cc;
    --accent-color: #00ff88;
    --dark-bg: #0a0a0a;
    --darker-bg: #050505;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --glow-primary: 0 0 20px rgba(0, 212, 255, 0.3);
    --glow-accent: 0 0 20px rgba(0, 255, 136, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo a {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    transition: width 0.3s ease;
}

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

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

.nav-social a {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: all 0.3s ease;
    padding: 8px;
    border-radius: 8px;
}

.nav-social a:hover {
    color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Main Content */
#full-page {
    position: relative;
    z-index: 1;
    padding-top: 70px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--section-padding);
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 400;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
    animation: fadeInUp 1s ease 0.6s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-primary), 0 8px 25px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--card-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--card-bg);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

/* Section Titles */
.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Skills Section */
.skills {
    padding: var(--section-padding);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.skill-item:hover::before {
    left: 100%;
}

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

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

.skill-item:hover i {
    transform: scale(1.1);
    color: var(--accent-color);
}

.skill-item span {
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    color: var(--text-secondary);
}

/* Projects Section */
.projects {
    padding: var(--section-padding);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--glow-primary);
}

.project-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--card-border);
    transition: all 0.3s ease;
}

.project-card:hover .project-image {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-title {
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    color: var(--text-primary);
    margin: 0;
}

/* Experience Section */
.experience {
    padding: var(--section-padding);
}

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

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
}

.experience-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    margin-left: 50px;
    position: relative;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.experience-item::before {
    content: '';
        position: absolute;
    left: -35px;
    top: 2rem;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid var(--dark-bg);
    box-shadow: var(--glow-primary);
}

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

.experience-header {
    margin-bottom: 1rem;
}

.experience-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.experience-company {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.experience-period {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.experience-content ul {
    list-style: none;
    padding: 0;
}

.experience-content li {
        position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.experience-content li::before {
    content: '▹';
        position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 1rem;
    }

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

    .nav-social {
        display: none;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 1rem;
    }

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

    .skill-item i {
        font-size: 2rem;
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .experience-timeline::before {
        left: 15px;
    }

    .experience-item {
        margin-left: 35px;
        padding: 1.5rem;
    }

    .experience-item::before {
        left: -25px;
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .nav-container {
        padding: 0 15px;
    }

    .hero {
        padding: 60px 0;
    }

    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }

    .skill-item {
        padding: 0.75rem 0.25rem;
    }

    .skill-item i {
        font-size: 1.5rem;
    }

    .skill-item span {
        font-size: 0.8rem;
    }

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

    .project-image {
        width: 100px;
        height: 100px;
    }

    .experience-item {
        margin-left: 25px;
        padding: 1rem;
    }

    .experience-item::before {
        left: -20px;
        width: 8px;
        height: 8px;
    }
}

/* Smooth scrolling for older browsers */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --card-bg: rgba(255, 255, 255, 0.1);
        --card-border: rgba(255, 255, 255, 0.2);
    }
}

/* Print styles */
@media print {
    .navbar,
    #particles-js,
    .hero-buttons {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .section-title {
        color: black;
        -webkit-text-fill-color: black;
    }
}