:root {
    --color-bg-primary: #0a0e27;
    --color-bg-secondary: #151931;
    --color-bg-tertiary: #1e2442;
    --color-accent-primary: #00d9ff;
    --color-accent-secondary: #7c3aed;
    --color-accent-gradient: linear-gradient(135deg, #00d9ff 0%, #7c3aed 100%);
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0aec0;
    --color-text-muted: #718096;
    --color-success: #10b981;
    --color-error: #ef4444;
    
    --font-primary: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Courier New', monospace;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    --container-width: 1200px;
    --border-radius: 12px;
    --transition-speed: 0.3s;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(0, 217, 255, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-speed) ease;
}

img {
    max-width: 100%;
    display: block;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-speed) ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    align-items: center;
}

.nav-link {
    position: relative;
    color: var(--color-text-secondary);
    font-weight: 500;
    padding: 0.5rem 0;
}

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

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--color-text-primary);
    border-radius: 3px;
    transition: all var(--transition-speed) ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 217, 255, 0.15) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    padding: var(--space-3xl) 0;
}

.hero-greeting {
    font-size: 1.2rem;
    color: var(--color-accent-primary);
    margin-bottom: var(--space-sm);
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.hero-name {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.6s ease 0.2s forwards;
    opacity: 0;
}

.hero-title {
    font-size: 2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.6s ease 0.4s forwards;
    opacity: 0;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.6s ease 0.6s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    animation: fadeInUp 0.6s ease 0.8s forwards;
    opacity: 0;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--color-accent-gradient);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.5);
}

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

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

/* Hero Visual Cards */
.hero-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.card-icon {
    font-size: 2rem;
}

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

.card-2 {
    top: 35%;
    right: 10%;
    animation-delay: 0.5s;
}

.card-3 {
    bottom: 30%;
    left: 20%;
    animation-delay: 1s;
}

.card-4 {
    bottom: 10%;
    right: 0;
    animation-delay: 1.5s;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-label {
    display: inline-block;
    color: var(--color-accent-primary);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.about {
    background: var(--color-bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-paragraph {
    margin-bottom: var(--space-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* Tech Orbit Animation */
.tech-orbit {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.orbit-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--color-accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.center-icon {
    font-size: 2.5rem;
}

.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid rgba(0, 217, 255, 0.3);
    border-radius: 50%;
}

.ring-1 {
    width: 180px;
    height: 180px;
    animation: rotate 20s linear infinite;
}

.ring-2 {
    width: 260px;
    height: 260px;
    animation: rotate 30s linear infinite reverse;
}

.orbit-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-accent-primary);
}

.dot-1 {
    top: 15%;
    left: 50%;
    animation: rotate 20s linear infinite;
    transform-origin: 0 125px;
}

.dot-2 {
    top: 50%;
    left: 15%;
    animation: rotate 30s linear infinite reverse;
    transform-origin: 115px 0;
}

.dot-3 {
    bottom: 15%;
    right: 20%;
    animation: rotate 25s linear infinite;
    transform-origin: -80px -80px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.skill-category {
    background: var(--color-bg-secondary);
    padding: var(--space-xl);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-speed) ease;
}

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

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

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

.category-header h3 {
    font-size: 1.5rem;
}

.skill-list {
    list-style: none;
}

.skill-item {
    margin-bottom: var(--space-lg);
}

.skill-name {
    display: block;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
    font-weight: 500;
}

.skill-bar {
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--color-accent-gradient);
    border-radius: 4px;
    transition: width 1s ease;
}

.projects {
    background: var(--color-bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.project-card {
    background: var(--color-bg-tertiary);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-speed) ease;
}

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

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-icon {
    font-size: 4rem;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 217, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition-speed) ease;
}

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

.project-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--color-text-primary);
    font-size: 1.2rem;
    font-weight: 600;
}

.project-content {
    padding: var(--space-lg);
}

.project-tags {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.tag {
    padding: 0.4rem 0.8rem;
    background: var(--color-bg-primary);
    color: var(--color-accent-primary);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.project-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.project-github {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-secondary);
    transition: all var(--transition-speed) ease;
}

.project-github:hover {
    color: var(--color-accent-primary);
}

.contact {
    background: #0f172a; /* Use your existing background */
    padding: var(--space-3xl) 0;
    position: relative;
}

.contact-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    position: relative;
}

.contact-title {
    font-size: 4rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: var(--space-sm);
    position: relative;
    display: inline-block;
}

.contact-title::before {
    content: 'Contact';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 8rem;
    font-weight: 900;
    color: rgba(0, 217, 255, 0.03); /* Cyan at 3% opacity */
    white-space: nowrap;
    z-index: 0;
    pointer-events: none;
}

.contact-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    position: relative;
    z-index: 1;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.contact-card {
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-card:hover {
    transform: translateY(-10px);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: var(--color-bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: var(--color-accent-primary); 
    transition: all 0.4s ease;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-card:hover .contact-icon {
    background: var(--color-accent-gradient); 
    color: var(--color-text-primary); 
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-glow); 
    border-color: transparent;
}

.contact-card-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 2px;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
}

.contact-card-info {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.contact-card-info a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-speed) ease;
}

.contact-card-info a:hover {
    color: var(--color-accent-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-muted);
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

@keyframes rotate {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.experience {
    padding: 80px 20px;
    background: #0f172a; 
    color: #fff;
}

.experience-card {
    max-width: 1100px;
    margin: auto;
    background: #1e293b;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #334155;
}

.experience-date {
    font-size: 14px;
    color: #38bdf8;
    font-weight: 600;
}

.experience-title {
    font-size: 24px;
    margin: 10px 0 5px;
}

.experience-company {
    font-size: 18px;
    color: #94a3b8;
    margin-bottom: 15px;
}

.experience-description {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.experience-highlights ul {
    padding-left: 20px;
    margin-bottom: 15px;
}

.experience-highlights li {
    margin-bottom: 8px;
}

.experience-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    background: #0ea5e9;
    color: #000;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 13px;
}

.resume-section {
    background: var(--color-bg-secondary);
    padding: var(--space-3xl) 0;
}

.section-description {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-top: var(--space-sm);
}

.resume-viewer-container {
    max-width: 900px;
    margin: 0 auto;
}

.resume-viewer {
    width: 100%;
    height: 300px;
    background: #ffffff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 217, 255, 0.3);
    margin-bottom: var(--space-xl);
}

.resume-pdf-viewer {
    width: 100%;
    height: 100%;
    border: none;
}

.resume-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-download-resume,
.btn-open-resume {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-speed) ease;
    text-decoration: none;
    cursor: pointer;
}

.btn-download-resume {
    background: var(--color-accent-gradient);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-download-resume:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.5);
}

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

.btn-open-resume:hover {
    background: var(--color-accent-primary);
    transform: translateY(-3px);
}

.btn-download-resume svg,
.btn-open-resume svg {
    width: 24px;
    height: 24px;
}

@media (max-width: 768px) {
    .resume-viewer {
        height: 600px;
    }

    .resume-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn-download-resume,
    .btn-open-resume {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .resume-section {
        padding: var(--space-2xl) 0;
    }

    .resume-viewer {
        height: 500px;
        border-radius: 8px;
    }

    .section-description {
        font-size: 1rem;
    }

    .btn-download-resume,
    .btn-open-resume {
        padding: 0.9rem 1.5rem;
        font-size: 0.95rem;
    }
}